Mechanical property testing device

Abstract

The invention discloses a mechanical property testing device. The device comprises a detection management and control module; the sample preprocessing module is provided with a feeding positioning unit used for obtaining sample element information and a size measuring unit used for obtaining sample size information, and the sample preprocessing module is configured to conduct preprocessing on a sample according to a preprocessing instruction sent by the detection management and control module, the sample experiment module is configured to match a testing machine according to the sample element information and the sample size information of the processed sample, perform a mechanical detection test on the processed sample according to the detection instruction sent by the detection management and control module, and obtain the sample element information and the sample size information of the processed sample; and generating a mechanical property detection result. According to the mechanical property testing device, intelligentization and automation of mechanical detection of multiple types of materials with multiple matrixes can be achieved, and the mechanical detection efficiency of the materials is improved.

Description

Technical Field

[0001] The invention relates to a mechanical property testing device, belonging to the technical field of intelligent material detection. Background Art

[0002] Against the backdrop of the rapid development of industrial automation and intelligence, material testing, as a key link in ensuring product quality and production safety, is undergoing a transformation from traditional manual operation to automation and intelligence.

[0003] Existing automated testing technologies mostly operate as standalone machines, with one piece of testing equipment equipped with a robotic arm. This architecture is highly targeted and can efficiently complete the testing of a single sample type. These testing systems typically integrate relatively complete functional modules, including dimensional measurement, test execution, information processing, sample flow, and even sample preparation and processing. This improves the efficiency of testing specific samples and reduces the testing error rate caused by manual operation.

[0004] However, existing automated testing technologies have obvious limitations when dealing with complex and ever-changing testing needs: current testing systems are usually designed for specific samples (specific types, specific sizes), and the equipment hardware, test methods and robotic arm configurations are rigid and lack flexibility. When faced with different base materials, different forms or different testing needs, the system is difficult to adapt quickly and economically, and lacks openness, which limits its scope of application. Due to the system's lack of flexibility and openness, when production lines or laboratories need to test new material varieties, specifications and add new testing items, they often need to purchase a single equipment system that also lacks flexibility or modify the equipment, resulting in high secondary investment and repeated investment costs.

[0005] Therefore, a more reliable solution needs to be provided. Summary of the Invention

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a mechanical properties testing device that can realize intelligent and automated mechanical testing of multiple substrates and multiple types of materials, thereby improving the efficiency of material mechanical testing.

[0007] In order to achieve the above objectives / solve the above technical problems, the present invention is implemented by adopting the following technical solutions: A mechanical properties testing device, comprising: Detection and control module; The sample preprocessing module is provided with a loading and positioning unit for obtaining sample element information and a size measurement unit for obtaining sample size information. The sample preprocessing module is configured to: preprocess the sample according to the preprocessing instructions sent by the detection and control module, and obtain the sample element information and sample size information of the processed sample and the processed sample: The sample experiment module is configured to: match the testing machine according to the sample element information and sample size information of the processed sample, perform mechanical testing on the processed sample according to the test instructions sent by the test control module, and generate mechanical property test results; Post-test sample storage module, used to store samples that have completed mechanical property testing; The sample transfer module is configured to: according to the transfer instructions sent by the detection control module, grab the target sample to be tested to the loading and positioning unit or the size measurement unit, and / or grab the processed sample to the matching testing machine, and / or transport the sample that has completed the mechanical property test to the post-fracture sample placement unit; and, The sample grabbing and centering module is configured to: center the sample before performing a tensile test on the sample; Among them, the mechanical testing test includes tensile test, impact test and hardness test. When performing the tensile test, the testing machine is controlled to perform the tensile test on the sample according to the preset clamping force and tension rate control method.

[0008] Furthermore, the sample preprocessing module further comprises: a laser marking device, a sorting manipulator, a grabbing fixture table and a sample turnover platform; the preprocessing instructions include a marking instruction, a measurement instruction, a sorting instruction, a first grabbing instruction and a second grabbing instruction; The laser marking device is used to mark the sample according to the marking instruction sent by the detection and control module to obtain a marked sample; The size measurement unit is used to measure the size of the marked sample according to the measurement instruction sent by the detection control module to obtain sample size information of the processed sample and the unprocessed sample; The grabbing fixture table is used to place grabbing fixtures corresponding to samples of different types of materials; The sorting robot is used to match the grabbing fixture corresponding to the sample classification information on the grabbing fixture table according to the sample classification information in the sorting instruction sent by the detection and control module, and sort the samples on the transport pallet to the laser marking device in sequence according to the sample classification information; is used to grab the marked samples from the laser marking device to the size measurement unit according to the first grabbing instruction sent by the detection and control module; and is used to grab the processed samples from the size measurement unit to the transport pallet according to the preset sample tray position information in the second grabbing instruction sent by the detection and control module.

[0009] Furthermore, the loading and positioning unit includes: An information acquisition unit, configured to acquire initial information of a sample to be loaded, the initial information including sample type, sample specification, and initial number; The sample positioning rack is used to store samples. It includes several columns, each column corresponds to a sample type, and different rows in the same column correspond to different sample specifications. Each row includes several sample loading positions, and each sample loading position corresponds to a different number. A pressure sensor is provided at the bottom of each sample loading position of the sample positioning rack, and is used to detect pressure data of the sample loading position; The scanning component is located above each sample loading position and is used to collect image information of the sample and identify the sample type to obtain sample element information; The first control unit is connected to the information acquisition unit, the pressure sensor, the scanning component and the robotic arm for grabbing samples; the control unit receives the initial information of the sample to be loaded, determines the corresponding column and corresponding row of the sample to be loaded in the sample positioning rack according to the sample type and sample specification, and generates the loading number of the sample based on the initial number and the number of the loading position; the control unit receives the pressure data of the pressure sensor, and compares it with the gravity range of the sample specification corresponding to the preset loading position. If the pressure data is greater than the gravity range, it is determined that the sample is placed incorrectly and a warning signal is issued; the control unit receives the sample type identified by the scanning component, and if it is inconsistent with the sample type corresponding to the loading position, a warning signal is issued and the robotic arm is locked; if there is no sample placement error, the control unit sends the loading number and grabbing instruction of the sample to be grabbed to the robotic arm, and the robotic arm grabs the corresponding sample.

[0010] Furthermore, the size measuring unit includes: A plate sample size measuring device includes a displacement sensor, a clamping assembly and a lifting assembly, wherein: The displacement sensors are arranged on both sides of the sample in the width direction and the thickness direction; The clamping assembly is arranged on both sides of the sample in the thickness direction. The measuring element of the displacement sensor in this direction is located on the clamping surface of the clamping assembly. As the clamping surface approaches or moves away from the sample, the measuring element of the displacement sensor in the other direction is driven toward or away from the sample by the telescopic assembly. The lifting assembly is arranged in the length direction of the sample, and a placement position for placing the sample is provided on the protruding end of the lifting assembly, and the measurement point position of the sample is adjusted by lifting the sample; and / or, A device for measuring the size of a metal round bar sample, comprising: Box; A support block is provided on the top of the box and is used to place the sample to be tested; a guide rail, provided on one side of the support block; A moving component is provided on one side of the support block and is slidably connected to the guide rail; the moving component is connected to the control system and moves along the length direction of the sample to be tested after receiving a movement signal from the control system; The diameter measuring sensor is installed on the mobile component; the diameter measuring sensor is connected to the control system, and measures the distance to the sample to be measured after receiving the measurement signal from the control system.

[0011] Furthermore, the testing machine is matched according to the sample element information and the sample size information, including: Obtaining sample size information and sample element information of the sample; Determining the predicted tensile strength of the sample based on the sample element information and the tensile strength prediction model; A target testing machine matching the sample is determined based on the sample size information and the predicted tensile strength.

[0012] Furthermore, the testing machine is matched according to the sample element information and the sample size information, including: Perform preliminary classification of the test samples according to the sample element information to obtain preliminary classification results; Correcting the preliminary classification result based on the sample size information to obtain a corrected classification result; Determine a testing machine allocation plan for each test sample based on the corrected classification results and sample size information; Based on the test machine allocation plan for each test sample, multiple test machines are started to test the test samples and the test data of multiple test machines are obtained; Dynamically adjust the testing machine allocation plan based on the inspection data of multiple testing machines.

[0013] Furthermore, the method for controlling the clamping force and the pulling rate includes: Obtain basic sample information of material samples; generating a pre-clamping force based on the basic information of the sample; controlling the testing machine to perform mechanical property testing on the material sample at a pre-clamping force and an initial tension rate, and receiving sample test monitoring information of the material sample sent by the testing machine; Based on the sample test monitoring information and combined with an adaptive dynamic programming algorithm, the clamping force and tension rate of the testing machine are dynamically adjusted so that the testing machine can complete the mechanical property test of the material sample and generate mechanical property test results.

[0014] Furthermore, the sample circulation module includes: An information acquisition unit, used to acquire sample element information, including the sample initial number and sample type; Incoming sample rack, used to store samples in partitions according to their element information and size information; The sample transport unit includes a position for placing samples to be tested and a position for placing samples after testing, and is used to transport samples to the testing area and the storage module for samples after testing; the testing area is provided with several testing machines; A robotic arm, used to grab samples; A control unit is connected to the information acquisition unit, the size measurement unit, the sample transfer unit and the robotic arm; the control unit determines the placement position of the sample in the incoming sample rack, the placement position of the sample to be tested and the placement position of the post-test sample corresponding to the sample, and the testing machine that matches the sample based on the sample information; the control unit judges whether the placement position of the sample in the incoming sample rack is correct and whether the testing machine is matched based on the measured size of the sample, and updates the placement position of the sample in the incoming sample rack and the testing machine that matches the sample based on the judgment result; the control unit sends a grabbing instruction to the robotic arm to grab the sample; the control unit sends a transfer instruction to the sample transfer unit to transfer the sample to the detection area or the post-test sample storage module.

[0015] Furthermore, the sample grabbing and centering module includes a platform and a distance detection unit and a sample placement position provided on the platform; The distance detection unit includes a first photoelectric sensor, which is used to detect the distance from both ends of the sample to the position where the robot grabs the sample; The sample placement position is provided with a second photoelectric sensor for sensing whether a sample is placed.

[0016] Furthermore, the post-inspection sample storage module includes a rectangular parallelepiped frame and a workpiece installation station, wherein: Two opposite sides of the four sides of the rectangular parallelepiped frame are open, and the other two opposite sides are installed with installation panels; The workpiece installation stations are arranged in groups of two, and multiple groups are provided. The two workpiece installation stations in each group are symmetrically spaced, and the multiple groups of workpiece installation stations are detachably installed on the installation panel along the height direction of the installation panel.

[0017] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the sample pretreatment module, sample test module and sample transportation equipment are controlled by the detection and control module to realize the intelligent and automated material mechanics detection; The sample preprocessing module can preprocess the sample according to the preprocessing instructions sent by the detection control module to obtain the sample element information and sample size information of the processed sample and the processed sample; The sample testing module can perform mechanical testing on the processed samples according to the testing instructions sent by the testing control module to obtain tested samples. The mechanical testing test includes tensile test, impact test and hardness test. When performing the tensile test, the testing machine is controlled to perform the tensile test on the sample according to the preset clamping force and tension rate control method. The mechanical testing device of the present invention can realize intelligent and automated mechanical testing of materials, can reduce errors caused by manual operation, can improve the efficiency of mechanical testing, and further can improve the accuracy and reliability of mechanical testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a principle block diagram of a material mechanics detection device provided by an embodiment of the present invention; Figure 2 This is a principle block diagram of a material mechanics detection device provided by an embodiment of the present invention; Figure 3 1 is a flow chart of a material mechanics testing method provided by an embodiment of the present invention; Figure 4 is a flow chart of a sample loading and positioning method according to an embodiment of the present invention; Figure 5 It is a schematic structural diagram of the automatic size measuring device for metal sheet samples provided by the present invention; Figure 6 yes Figure 5 Schematic diagram of the internal structure of the middle protective cover; Figure 7 yes Figure 6 A schematic top view of the structure of the automatic size measuring device for metal sheet specimens shown; Figure 8 It is a structural diagram of part of the structure on the mounting plate; Figure 9 It is a schematic diagram of the structure of the sample under measurement status; Figure 10 is a schematic diagram of the structure of the specimen; Figure 11 yes Figure 6 A schematic front view of the structure of the automatic measuring device shown; Figure 12 is a schematic diagram of the bottom side of the first mounting plate; Figure 13 It is a structural diagram of the clamping jaws; Figure 14 yes Figure 11 A schematic front cross-sectional view of part of the structure of the automatic measuring device shown; Figure 15 2 is a schematic structural diagram of a device for measuring the size of a metal round bar sample according to an embodiment of the present invention; Figure 16is a side view of a device for measuring the size of a metal round bar specimen according to an embodiment of the present invention; Figure 17 yes Figure 16 Enlarged image from the CC perspective; Figure 18 This is a partial structural diagram of a device for measuring the size of a metal round bar sample according to an embodiment of the present invention; Figure 19 2 is a schematic structural diagram of a metal round bar specimen according to an embodiment of the present invention; Figure 20 This is a flow chart of a first test machine matching method provided by an embodiment of the present invention; Figure 21 It is a structural diagram of a first testing machine matching device provided by an embodiment of the present invention; Figure 22 1 is a flow chart of a second test machine matching method provided by an embodiment of the present invention; Figure 23 1 is a flow chart of a method for controlling clamping force and pulling rate provided by an embodiment of the present invention; Figure 24 This is a schematic diagram of a process for generating an initial clamping force based on basic sample information in a method for controlling a clamping force and a pulling rate provided in an embodiment of the present application; Figure 25 This is a flow chart of a method for controlling the clamping force and pulling rate provided in an embodiment of the present application, which dynamically adjusts the clamping force and pulling rate of a testing machine based on sample test monitoring information and in combination with an adaptive dynamic programming algorithm; Figure 26 1 is a schematic structural diagram of a clamping force and pulling rate control system provided by an embodiment of the present invention; Figure 27 Schematic diagram of the structure of the sample circulation module in an embodiment of the present invention; Figure 28 2 is a schematic structural diagram of a sample grabbing and centering module according to an embodiment of the present invention; Figure 29 2 is a front view of a grabbing and centering module according to an embodiment of the present invention; Figure 30 yes Figure 29 A partial enlarged view of the Figure 31 This is a schematic structural diagram of a sample placement rack provided by an embodiment of the invention; Figure 32 yes Figure 1 The schematic diagram of the structure of the sample placement rack shown is a front view; Figure 33 yes Figure 32 Schematic diagram of the structure of the medium plank support; Figure 34 Schematic diagram of the structural layout of the sample placement rack.

[0019] In the figure: 1.1, displacement sensor; 1.2, clamping assembly; 1.201, clamping cylinder; 1.202, clamping jaws; 1.203, first matching rod; 1.204, second matching rod; 1.205, first support member; 1.206, second support member; 1.207, first connecting member; 1.208, second connecting member; 1.209, three-link rod; 1.210, main rod; 1.211, auxiliary rod; 1.3, lifting assembly; 1.4, specimen; 1.5, mounting plate; 1.501, first mounting plate; 1.502, second mounting plate; 1.6, reset detection unit; 1.7, workbench; 1.8, protective cover; 1.9, specimen placement position; 1.10, specimen placement position; 2.1, box; 2.2, protective cover; 2.3, support block; 2.4, guide rail; 2.5, moving assembly; 2.5 -1. Mounting base; 2.5-2. Connecting base; 2.5-3. Mounting frame; 2.6. Diameter sensor; 2.6-1. Diameter sensor transmitter; 2.6-2. Diameter sensor receiver; 2.7. Sample to be measured; 3.1. Platform; 3.2. Distance detection unit; 3.3. Sample placement position; 3.4. Sample rack; 3.2.1. First photoelectric sensor; 3.2.2. First sensor bracket; 3.3.1. Second photoelectric sensor; 3.3.2. V-shaped block; 3.3.3. Second sensor bracket; 4.1. Rectangular frame; 4.2. Workpiece mounting station; 4.201. Flat plate support; 4.202. In-position sensor; 4.203. Detection hole; 4.204. Sensor bracket; 4.205. Support position; 4.3. Mounting panel; 4.301. Mounting hole; 4.4. Support foot. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0021] It should be noted that the terms "first", "second", etc. in the description and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way are interchangeable where appropriate so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or server that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0022] In the embodiments of the present invention, the term "module" or "unit" refers to a computer program or portion of a computer program that has a predetermined function and works together with other related components to achieve a predetermined goal. The term "module" or "unit" refers to a computer program or portion of a computer program that has a predetermined function and works together with other related components to achieve a predetermined goal. The term "module" or "unit" may be implemented in whole or in part using software, hardware (such as processing circuitry or memory), or a combination thereof. Similarly, a single processor (or multiple processors or memories) may be used to implement one or more modules or units. Furthermore, each module or unit may be part of an overall module or unit that incorporates the functionality of that module or unit.

[0023] Various exemplary embodiments, features, and aspects of the present invention will be described in detail below with reference to the accompanying drawings. The same reference numerals in the accompanying drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the accompanying drawings, the drawings are not necessarily drawn to scale unless otherwise indicated.

[0024] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0025] The term "and / or" herein simply describes an association relationship between associated objects, indicating that three relationships can exist. For example, "A and / or B" can represent the existence of three situations: A alone, A and B simultaneously, and B alone. Furthermore, the term "at least one" herein refers to any combination of at least two of any one or more of a plurality of items. For example, "at least one of A, B, and C" can represent any one or more elements selected from the set consisting of A, B, and C.

[0026] In addition, numerous specific details are provided in the following detailed description to better illustrate the present invention. Those skilled in the art will appreciate that the present invention may be practiced without certain specific details. In some instances, methods, means, components, and circuits well known to those skilled in the art have not been described in detail in order to highlight the main points of the present invention.

[0027] Figure 1 This is a principle block diagram of a mechanical properties testing device provided in this embodiment. The mechanical properties testing device includes: Detection and control module; The sample preprocessing module is provided with a loading and positioning unit for obtaining sample element information and a size measurement unit for obtaining sample size information. The sample preprocessing module is configured to: preprocess the sample according to the preprocessing instructions sent by the detection and control module, and obtain the sample element information and sample size information of the processed sample and the processed sample: The sample experiment module is configured to: match the testing machine according to the sample element information and sample size information of the processed sample, perform mechanical testing on the processed sample according to the test instructions sent by the test control module, and generate mechanical property test results; Post-test sample storage module, used to store samples that have completed mechanical property testing; The sample transfer module is configured to: according to the transfer instructions sent by the detection control module, grab the target sample to be tested to the loading and positioning unit or the size measurement unit, and / or grab the processed sample to the matching testing machine, and / or transport the sample that has completed the mechanical property test to the post-fracture sample placement unit; and, The sample grabbing and centering module is configured to: center the sample before performing a tensile test on the sample; Among them, the mechanical testing test includes tensile test, impact test and hardness test. When performing the tensile test, the testing machine is controlled to perform the tensile test on the sample according to the preset clamping force and tension rate control method.

[0028] In one embodiment, the sample flow module can use a sample transport device. In the case of using a sample transport device, the principle block diagram of the mechanical properties testing device provided in this embodiment is as follows: Figure 2 As shown, the sample transport device is used to transport the sample processed by the first target module to the second target module according to the turnover instruction sent by the detection control module; The detection and control module is used to control the third target module.

[0029] In a specific embodiment, the first target module may include a sample preprocessing module, a sample test module and a post-test sample storage module; the second target module may include a sample preprocessing module, a sample test module and a post-test sample storage module; the third target module may include a sample preprocessing module, a sample test module and a post-test sample storage module.

[0030] In a specific embodiment, after the sample testing module completes the mechanical testing test of the sample, the testing machine in the sample testing module records and saves the sample testing information, and uploads the sample testing information to the testing control module. Optionally, the sample transport equipment can be an AGV (Automated Guided Vehicle), and the turnover instruction can indicate the transfer direction and transfer route of the sample transport equipment. Optionally, the turnover instruction can instruct the sample transport equipment to transport the sample processed by the first target module to the second target module. Optionally, the turnover instruction can transport the transport pallet from the first target module to the second target module, and the transport pallet can be loaded with the sample processed by the first target module. Specifically, the testing control module can dispatch the AGV to transfer the processed sample obtained by the sample pre-processing module to the corresponding sample testing module; after monitoring that the sample testing module completes the mechanical testing test on the processed sample and obtains the tested sample, it can dispatch the AGV to transfer the tested sample to the post-test sample storage module for retention.

[0031] Optionally, the post-test sample storage module is used to store waste samples that have completed mechanical testing tests.

[0032] In an optional embodiment, the post-test sample storage module may include a waste sample sorting arm and a waste sample rack. The waste sample sorting arm is used to sort the tested samples on the transport tray to the waste sample rack, and the waste sample rack is used to store the tested samples for easy viewing of the tested samples.

[0033] In an optional embodiment, the sample preprocessing module may include a size measurement unit, a laser marking device, a sorting manipulator, a grabbing fixture table and a sample turnover platform; the preprocessing instructions may include an identification instruction, a measurement instruction, a sorting instruction, a first grabbing instruction and a second grabbing instruction; A laser marking device is used to mark the sample according to the marking instruction sent by the detection and control module to obtain a marked sample; A size measurement unit is used to measure the size of the marked sample according to the measurement instruction sent by the detection and control module to obtain a processed sample; Grabbing fixture table, used to place the grabbing fixtures corresponding to different types of material samples; The sorting robot is used to match the grabbing fixture corresponding to the sample classification information on the grabbing fixture table according to the sample classification information in the sorting instruction sent by the detection and control module, and sort the samples on the transport tray to the laser marking device in sequence according to the sample classification information; is used to grab the marked samples from the laser marking device to the size measurement unit according to the first grabbing instruction sent by the detection and control module; and is used to grab the processed samples from the size measurement unit to the transport tray according to the preset sample tray position information in the second grabbing instruction sent by the detection and control module; The first sample turnover platform is used to carry the transport pallet.

[0034] In a specific embodiment, the sample classification information may indicate the sample test type. Optionally, the sample test types may include plate tensile testing, bar tensile testing, impact testing, and hardness testing. The preset sample tray position information may indicate the corresponding position information of the processed samples on the transport tray. The sorting instructions may instruct the sorting robot to sort the samples on the transport tray to the laser marking device according to the sample classification information. The first grabbing instruction may instruct the sorting robot to grab the samples from the laser marking device and transfer them to the dimensional measurement unit. The second grabbing instruction may instruct the sorting robot to grab the samples from the dimensional measurement unit and transfer them to the transport tray. Optionally, the processed samples may be samples that have completed preprocessing. Specifically, the processed samples may be samples that have completed processing including sample identification and dimensional measurement. Optionally, the preprocessing instructions may further include a third grabbing instruction and a fourth grabbing instruction. The third grabbing instruction may instruct the sorting robot to grab the samples from the dimensional measurement unit and transfer them to the laser marking device. The fourth grabbing instruction may instruct the sorting robot to grab the samples from the laser marking device and transfer them to the transport tray. Optionally, the sorting robot can match a grabbing fixture corresponding to the sample classification information of the sample on the grabbing fixture table, and use the grabbing fixture to grab the samples on the transport tray in sequence according to the sample classification information to the size measurement unit; optionally, the sorting robot can use the grabbing fixture to grab the corresponding samples from the rack according to the sample classification information to the size measurement unit, and the position of the sample on the rack can be determined based on the preset sample rack position information, which can be the specified position information of the sample on the rack. The size measurement unit can measure the size of the sample to obtain a measured sample; the sorting robot can grab the measured sample from the size measurement unit to the laser marking device according to the third grabbing instruction sent by the detection and control module; the laser marking device can mark the measured sample to obtain a processed sample; the sorting robot can grab the processed sample from the laser marking device to the transport tray according to the fourth grabbing instruction sent by the detection and control module. During the entire process described above, the sorting robot uses the gripping fixture corresponding to the sample classification information to grab the corresponding sample, which can ensure the integrity of the sample without damaging the sample, thereby improving the accuracy of subsequent mechanical testing of the sample.

[0035] In a specific embodiment, the detection and control module can store the sample identification information generated by the laser marking device and the sample size information generated by the size measurement unit in a corresponding manner, so that the user can query the sample size information of the sample based on the sample identification information, thereby improving the convenience of querying sample-related information; the sample identification information can represent the identity information of the sample throughout its life cycle, for example, the sample identification information can be a sample number, and the sample number can be marked on the sample by the laser marking device; the sample size information can represent the size of the sample. Optionally, the detection and control module can store the sample test information in a corresponding manner based on the sample identification information, so that the user can query the corresponding sample test information based on the sample identification information.

[0036] In an optional embodiment, the tensile test module may include a bar tensile test module; the detection instruction may include a first tensile grabbing instruction and a first tensile test instruction; the detected sample may include a first stretched sample; The bar tensile test module includes the first loading and unloading manipulator, different levels of bar tensile testing machines and the second sample turnover platform; a first loading and unloading robot, configured to grab a processed sample corresponding to the first tensile sample information from a transport pallet and place it on a bar tensile testing machine of a corresponding level according to the first tensile sample information in the first tensile grabbing instruction sent by the detection and control module; and to place the first tensile sample on the transport pallet; Different levels of bar tensile testing machines are used to perform a tensile test on the processed sample according to the first tensile test instruction sent by the detection and control module to obtain a first stretched sample; The second sample turnover platform is used to carry the transport pallet.

[0037] In a specific embodiment, different levels of bar tensile testing machines may include a 100KN bar tensile testing machine, a 300KN bar tensile testing machine, and a 600KN bar tensile testing machine. Optionally, the first tensile grabbing instruction may instruct the first loading and unloading robot to grab a processed sample corresponding to the first tensile sample information from a transport pallet and bring it to a bar tensile testing machine of the corresponding level. The first tensile sample information may indicate information about the sample to be subjected to the bar tensile test and information about the level of the bar tensile testing machine to be used for the bar tensile test. The first tensile testing instruction may instruct bar tensile testing machines of different levels to perform tensile tests on the processed samples.

[0038] In an optional embodiment, the tensile test module may include a plate tensile test module; the detection instruction may include a second tensile grabbing instruction and a second tensile test instruction; the detected sample may include a second stretched sample; The plate tensile test module can include a second loading and unloading manipulator, plate tensile testing machines of different levels and a third sample turnover platform; a second loading and unloading robot, configured to grab a processed sample corresponding to the second tensile sample information from the transport pallet and place it on a plate tensile testing machine of a corresponding level according to the second tensile sample information in the second tensile grabbing instruction sent by the detection and control module; and to place the second tensile sample on the transport pallet; Plate tensile testing machines of different levels are used to perform a tensile test on the processed sample according to the second tensile test instruction sent by the detection and control module to obtain a second stretched sample; The third sample turnover platform is used to carry the transport pallet.

[0039] In a specific embodiment, different levels of plate tensile testing machines may include a 100KN plate tensile testing machine and a 300KN plate tensile testing machine. Optionally, the second tensile grabbing instruction may instruct the second loading and unloading robot to grab a processed sample corresponding to the second tensile sample information from a transport pallet and bring it to a plate tensile testing machine of the corresponding level. The second tensile sample information may indicate information about the sample to be subjected to the plate tensile test and information about the level of the plate tensile testing machine corresponding to the plate tensile test. The second tensile test instruction may instruct plate tensile testing machines of different levels to perform tensile tests on the processed samples.

[0040] In an optional embodiment, the detection instruction may include an impact grab instruction and an impact test instruction; the detected sample may include an impact test sample; The impact test module can include an impact tester, a manipulator and a fourth sample turnover platform The manipulator is used to grab the processed sample corresponding to the impact sample information from the transport pallet and place it into the impact testing machine according to the impact sample information in the impact grabbing instruction sent by the detection and control module; An impact testing machine, configured to perform an impact test on the processed sample according to the impact test instruction sent by the detection and control module to obtain an impact test sample; and configured to transport the impact test sample to a transport pallet; The fourth sample turnover platform is used to carry transport pallets.

[0041] In a specific embodiment, the impact grabbing instruction may instruct the robot to grab a processed sample corresponding to the impact sample information from a transport pallet and bring it to the impact testing machine; the impact sample information may represent information about the sample to be impact tested. The impact testing instruction may instruct the impact testing machine to perform an impact test on the processed sample.

[0042] In an optional embodiment, the detection instruction may include a hardness grabbing instruction and a hardness testing instruction; the detected sample may include a hardness testing sample; The hardness test module may include a hardness tester, a third loading and unloading manipulator, and a fifth sample turnover platform; The third loading and unloading robot is used to grab the processed samples corresponding to the hardness sample information from the transport pallet and place them on the hardness testing machine according to the hardness sample information in the hardness grabbing instruction sent by the detection and control module; and is used to place the hardness test samples on the transport pallet; A hardness testing machine is used to perform a hardness test on the processed sample according to the hardness test instruction sent by the detection and control module to obtain a hardness test sample; The fifth sample turnover platform is used to carry transport pallets.

[0043] In a specific embodiment, different levels of bar tensile testing machines may include a 100KN bar tensile testing machine, a 300KN bar tensile testing machine, and a 600KN bar tensile testing machine. Optionally, the first tensile grabbing instruction may instruct the first loading and unloading robot to grab a processed sample corresponding to the first tensile sample information from a transport pallet and bring it to a bar tensile testing machine of the corresponding level. The first tensile sample information may indicate information about the sample to be subjected to the bar tensile test and information about the level of the bar tensile testing machine to be used for the bar tensile test. The first tensile testing instruction may instruct bar tensile testing machines of different levels to perform tensile tests on the processed samples.

[0044] In a specific embodiment, the hardness grabbing instruction may instruct the third loading and unloading robot to grab a processed sample corresponding to the hardness sample information from the transport pallet and bring it to the hardness testing machine; the hardness sample information may represent information about the sample to be hardness tested. The hardness testing instruction may instruct the hardness testing machine to perform a hardness test on the processed sample.

[0045] In the above-described embodiment, the material mechanics testing device can realize intelligent and automated mechanical testing of multiple types of metal materials, meeting the requirements for mechanical testing of structurally diverse and complex samples. It can also reduce human error, improve the accuracy of mechanical testing of material samples, and enhance the efficiency of mechanical testing of material samples while reducing labor intensity. Furthermore, as each module in the material mechanics testing device completes its corresponding processing, it records the information generated in real time by the corresponding module, making it easy for users to view and visualizing the mechanical testing of material samples. Furthermore, the system is easy to expand, reducing costs.

[0046] Figure 3It is a flow chart of a material mechanics testing method provided by an embodiment of the present invention, which is applied to any of the material mechanics testing devices described above. This specification provides method operation steps such as the embodiments or flow charts, but may include more or fewer operation steps based on conventional or non-creative work. The order of steps listed in the embodiments is only one way of executing the steps among many, and does not represent the only execution order. When the actual system or server product is executed, it can be executed in sequence or in parallel according to the method shown in the embodiments or the drawings (for example, in a parallel processor or multi-threaded processing environment). Specifically, Figure 2 As shown, the above method may include: S201: Sending a preprocessing instruction to a sample preprocessing module, controlling the sample preprocessing module to preprocess the sample to obtain a processed sample, and simultaneously receiving sample processing information sent by the sample preprocessing module; In a specific embodiment, the sample processing information may represent information generated during the sample preprocessing process performed by the sample preprocessing module.

[0047] In an optional embodiment, the sample processing information may include sample identification information and sample size information; The sending of the preprocessing instruction to the sample preprocessing module, controlling the sample preprocessing module to preprocess the sample to obtain a processed sample, and receiving the sample processing information sent by the sample preprocessing module may include: Sending a sorting instruction to the sorting robot, controlling the sorting robot to match the grabbing fixture corresponding to the sample classification information in the sorting instruction on the grabbing fixture table, and sorting the samples to the laser marking device in sequence according to the sample classification information; Sending a marking instruction to a laser marking device, controlling the laser marking device to mark sample information on the sample, and obtaining a marked sample; receiving sample identification information of the marked sample sent by the laser marking device; Sending a first grabbing instruction to the sorting robot to control the sorting robot to grab the marked sample from the laser marking device to the size measuring unit; Sending a measurement instruction to the size measurement unit, controlling the size measurement unit to measure the size of the marked sample, and obtaining a processed sample; receiving sample size information of the processed sample sent by the size measurement unit; A second grabbing instruction is sent to the sorting robot to control the sorting robot to grab the processed samples from the size measurement unit to the transport tray based on the preset sample tray position information.

[0048] In a specific embodiment, the marking instruction may instruct the laser marking device to mark the sample information on the sample; the measurement instruction may instruct the dimension measurement unit to measure the dimension of the sample. Optionally, the detection control module sends a sorting instruction to the sorting robot, controls the sorting robot to match the grabbing fixture corresponding to the sample classification information in the sorting instruction on the grabbing fixture table, and sorts the samples to the size measurement unit in sequence according to the sample classification information; then the detection control module sends a measurement instruction to the size measurement unit, controls the size measurement unit to measure the size of the sample, obtains the measured sample and generates sample size information, and the detection control module receives the sample size information of the measured sample sent by the size measurement unit; then the detection control module sends a third grabbing instruction to the sorting robot, controls the sorting robot to grab the measured sample from the size measurement unit to the laser marking device; the detection control module sends a marking instruction to the laser marking device, controls the laser marking device to mark the sample information of the measured sample, obtains the processed sample and generates sample identification information, and the detection control module receives the sample identification information of the processed sample sent by the laser marking device; then the detection control module sends a fourth grabbing instruction to the sorting robot, controls the sorting robot to grab the processed sample from the laser marking device to the transport pallet based on the preset sample tray position information.

[0049] S202: Sending a turnover instruction to the sample transport device, scheduling the sample transport device to transfer the processed sample from the sample preprocessing module to a corresponding target test module in the sample test module, where the target test module is determined based on the turnover instruction; In an optional embodiment, the above-mentioned sending of the turnover instruction to the sample transport device to schedule the sample transport device to transfer the processed sample from the sample preprocessing module to the corresponding target test module in the sample test module may include: In the case where the turnover instruction instructs the sample transport equipment to transport the sample to the bar tensile test module, the sample transport equipment is dispatched to transport the processed sample from the sample pretreatment module to the bar tensile test module; and / or, in the case where the turnover instruction instructs the sample transport device to transport the sample to the plate tensile test module, dispatching the sample transport device to transport the processed sample from the sample pre-processing module to the plate tensile test module; and / or, in the case where the turnover instruction instructs the sample transport device to transport the sample to the impact test module, dispatching the sample transport device to transport the processed sample from the sample pre-processing module to the impact test module; And / or, when the turnover instruction instructs the sample transport device to transport to the hardness testing module, the sample transport device is scheduled to transport the processed sample from the sample pre-processing module to the hardness testing module.

[0050] In a specific embodiment, the turnover instruction can be determined based on the basic sample information of the sample, and the basic sample information may include sample type information, sample size information, etc.

[0051] S203: Sending a test instruction to the sample testing module, controlling the sample testing module to perform a mechanical test corresponding to the test instruction on the processed sample to obtain a tested sample, and simultaneously receiving sample test information sent by the sample testing module; controlling the sample testing module to place the tested sample on a transport pallet; In a specific embodiment, after the detection control module monitors that the sample testing module has completed the mechanical detection test, the detection control module may control the sample testing module to place the detected sample on a transport pallet.

[0052] In an optional embodiment, the tested samples may include a first stretched sample, a second stretched sample, an impact test sample, and a hardness test sample, and the sample test information may include first stretch test information, second stretch test information, impact test information, and hardness test information; The above-mentioned sending of the detection instruction to the sample testing module, controlling the sample testing module to perform a mechanical detection test corresponding to the detection instruction on the processed sample to obtain a detected sample, and simultaneously receiving the sample test information sent by the sample testing module may include: sending a first tensile test instruction to the bar tensile test module, controlling the bar tensile test module to perform a mechanical test on the processed sample corresponding to the first tensile sample information in the first tensile test instruction to obtain a first tensile sample, and simultaneously receiving the first tensile test information sent by the bar tensile test module; and / or, sending a second tensile test instruction to the plate tensile test module, controlling the plate tensile test module to perform a mechanical testing test on the processed sample corresponding to the second tensile sample information in the second tensile test instruction to obtain a second tensile sample, and simultaneously receiving the second tensile test information sent by the plate tensile test module; and / or, sending an impact test instruction to the impact test module, controlling the impact test module to perform a mechanical detection test on a processed sample corresponding to the impact sample information in the impact test instruction to obtain an impact test sample, and simultaneously receiving the impact test information sent by the impact test module; And / or, send a hardness test instruction to the hardness test module, control the hardness test module to perform a mechanical detection test on the processed sample corresponding to the hardness sample information in the hardness test instruction, obtain a hardness test sample, and simultaneously receive the hardness test information sent by the hardness test module.

[0053] In a specific embodiment, the detection control module sends a first tensile grabbing instruction to the first loading and unloading robot, controls the first loading and unloading robot to grab the processed sample corresponding to the first tensile sample information from the transport pallet and place it on the corresponding level of the bar tensile testing machine; then the detection control module sends a first tensile test instruction to the corresponding level of the bar tensile testing machine, controls the bar tensile testing machine to perform a tensile test on the processed sample, obtains the first tensile sample, and generates the first tensile test information; the detection control module can receive and store the first tensile test information; then the detection control module can send a first placement instruction to control the first loading and unloading robot to place the first tensile sample on the transport pallet.

[0054] In a specific embodiment, the detection control module sends a second tensile grabbing instruction to the second loading and unloading robot, controls the second loading and unloading robot to grab the processed sample corresponding to the second tensile sample information from the transport pallet and place it on the corresponding level of plate tensile testing machine; then the detection control module sends a second tensile test instruction to the corresponding level of plate tensile testing machine, controls the plate tensile testing machine to perform a tensile test on the processed sample, obtains a second tensile sample, and generates second tensile test information; the detection control module can receive and store the second tensile test information; then the detection control module can send a second placement instruction to control the second loading and unloading robot to place the second tensile sample on the transport pallet.

[0055] In a specific embodiment, the detection control module sends an impact grabbing instruction to the manipulator, controls the manipulator to grab the processed sample corresponding to the impact sample information from the transport pallet and place it on the impact testing machine; then the detection control module sends an impact test instruction to the impact testing machine, controls the impact testing machine to perform an impact test on the processed sample, obtains an impact test sample, and generates impact test information; the detection control module can receive and store the impact test information; then the detection control module can send a third placement instruction, controls the impact testing machine to place the impact test sample on the transport pallet through its own conveyor belt.

[0056] In a specific embodiment, the detection control module sends a hardness grabbing instruction to the third loading and unloading robot, controls the third loading and unloading robot to grab the processed sample corresponding to the hardness sample information from the transport pallet and place it on the hardness testing machine; then the detection control module sends a hardness test instruction to the hardness testing machine, controls the hardness testing machine to perform a hardness test on the processed sample, obtains a hardness test sample, and generates hardness test information; the detection control module can receive and store the hardness test information; then the detection control module can send a fourth placement instruction to control the third loading and unloading robot to place the hardness test sample on the transport pallet.

[0057] In the above embodiment, the rod tensile test module, the plate tensile test module, the impact test module and the hardness test module can perform tensile tests, impact tests and hardness tests on the processed samples according to the control instructions of the detection control module. The tests can be carried out simultaneously without interfering with each other. After the sample test module completes the mechanical detection test, the sample test information can be sent to the detection control module. The detection control module can store the corresponding sample test information according to the sample identification information, so as to facilitate the query of the mechanical detection related information of the sample.

[0058] S204: When the weight of the transport tray is greater than a preset threshold, the sample transport device is dispatched to transfer the tested samples from the sample testing module to the post-test sample storage module to store the tested samples.

[0059] In a specific embodiment, the preset threshold value can be set based on actual application requirements. When the weight of the transport tray exceeds the preset threshold value, the detection control module controls the sample transport device to transfer the transport tray from the sample testing module to the post-test sample storage module, thereby transferring the tested sample from the sample testing module to the post-test sample storage module.

[0060] In a specific embodiment, when the weight of the transport pallet of the bar tensile test module is greater than a preset threshold, the detection control module controls the sample transport equipment to transfer the transport pallet of the bar tensile test module from the bar tensile test module to the post-inspection sample storage module; when the weight of the transport pallet of the plate tensile test module is greater than the preset threshold, the detection control module controls the sample transport equipment to transfer the transport pallet of the plate tensile test module from the plate tensile test module to the post-inspection sample storage module; when the weight of the transport pallet of the impact test module is greater than the preset threshold, the detection control module controls the sample transport equipment to transfer the transport pallet of the impact test module from the impact test module to the post-inspection sample storage module; when the weight of the transport pallet of the hardness test module is greater than the preset threshold, the detection control module controls the sample transport equipment to transfer the transport pallet of the hardness test module from the hardness test module to the post-inspection sample storage module.

[0061] In one specific embodiment, the test control module sends a waste sample placement instruction to the post-test sample storage module, controlling the waste sample sorting arm of the post-test sample storage module to grab a tested sample from a transport tray and place it in a waste sample rack at a location corresponding to the preset waste sample placement information in the waste sample placement instruction. Optionally, the preset waste sample placement information may indicate the location of the tested sample on the waste sample rack.

[0062] In a specific embodiment, the post-test sample storage module can store the preset time of the tested samples to facilitate subsequent operators to verify the sample mechanical testing process; optionally, the preset time can be three days.

[0063] In the above embodiment, mechanical testing of multi-matrix and multi-type metal materials is performed through the above-mentioned material mechanical testing method, which does not require human intervention, reduces human errors, improves the accuracy, stability and efficiency of mechanical testing, and reduces labor intensity; and the mechanical testing information of the sample can be queried according to the detection control module to realize the visualization of mechanical testing.

[0064] An embodiment of the present invention also provides an electronic device, comprising: a processor and a memory, wherein the memory stores at least one instruction, at least one program, a code set or an instruction set, and the at least one instruction, the at least one program, the code set or the instruction set is loaded and executed by the processor to implement the material mechanics detection method as described in any one of the method embodiments.

[0065] An embodiment of the present invention also provides a computer storage medium, which can be set in a server to store at least one instruction, at least one program, code set or instruction set for implementing the method embodiment. The at least one instruction, the at least one program, the code set or instruction set is loaded and executed by the processor to implement the material mechanics detection method as described in any one of the method embodiments.

[0066] Optionally, in an embodiment of the present invention, the storage medium may be located in at least one of a plurality of network servers in a computer network. Optionally, in an embodiment of the present invention, the storage medium may include, but is not limited to, a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard drive, a magnetic disk, or an optical disk, among other media capable of storing program code.

[0067] In an optional embodiment, if Figure 4 As shown, the loading and positioning unit includes: An information acquisition unit, configured to acquire initial information of a sample to be loaded, the initial information including sample type, sample specification, and initial number; The sample positioning rack is used to store samples. It includes several columns, each column corresponds to a sample type, and different rows in the same column correspond to different sample specifications. Each row includes several sample loading positions, and each sample loading position corresponds to a different number. A pressure sensor is provided at the bottom of each sample loading position of the sample positioning rack, and is used to detect pressure data of the sample loading position; The scanning component is located above each sample loading position and is used to collect image information of the sample and identify the sample type to obtain sample element information; The first control unit is connected to the information acquisition unit, the pressure sensor, the scanning component and the robotic arm for grabbing samples; the control unit receives the initial information of the sample to be loaded, determines the corresponding column and corresponding row of the sample to be loaded in the sample positioning rack according to the sample type and sample specification, and generates the loading number of the sample based on the initial number and the number of the loading position; the control unit receives the pressure data of the pressure sensor, and compares it with the gravity range of the sample specification corresponding to the preset loading position. If the pressure data is greater than the gravity range, it is determined that the sample is placed incorrectly and a warning signal is issued; the first control unit receives the sample type identified by the scanning component, and if it is inconsistent with the sample type corresponding to the loading position, a warning signal is issued and the robotic arm is locked; if there is no sample placement error, the first control unit sends the loading number and grabbing instruction of the sample to be grabbed to the robotic arm, and the robotic arm grabs the corresponding sample.

[0068] The samples are mechanical test samples, and the sample types include thin plates, thick plates, bars and steel bars.

[0069] The loading and positioning unit further provides a sample loading and positioning method, which includes: Step 1: Obtain the initial information of the sample to be loaded, which includes the sample type, sample specifications and initial number.

[0070] Each sample to be loaded has a unique initial number.

[0071] Step 2: Determine the corresponding column and row of the sample to be loaded in the sample positioning rack according to the sample type and sample specifications, and generate a loading number of the sample based on the initial number and the number of the loading position of the sample positioning rack.

[0072] After generating the sample loading number, the operator places the sample to be loaded in the corresponding loading position according to the loading number. If the loading position is not loaded with a sample, the loading position will display an empty status. If a sample is placed in the loading position, the loading position will display the sample loading number. The operator can see the numbering of all loading positions on the display device, forming a clear sample storage matrix, which facilitates quick sample search and location.

[0073] The sample loading number is represented by: initial number - loading position number. In this example, a bar sample with initial number WT00123 corresponds to loading position numbered 1 in the first column. Therefore, the loading number for this sample is WT00123-1. When this sample is transferred to the next stage, that position on the sample rack will be released and displayed as vacant.

[0074] Step 3: After placing the sample in the loading position of the sample positioning rack, obtain the pressure data of the loading position and compare it with the gravity range of the sample specification corresponding to the preset loading position. If the pressure data is greater than the gravity range, it is determined that the sample is placed incorrectly and a warning signal is issued.

[0075] Specifically, samples of different sizes have different gravities. When the operator places a sample, a pressure sensor collects real-time pressure data and compares it with the preset gravity range for the sample size at that location. If the pressure data exceeds the gravity range, the system determines that the sample has been placed incorrectly and immediately issues a warning signal, prompting the operator to reposition it.

[0076] Step 4: If the pressure data is within the gravity range, obtain the identified sample type. If it is inconsistent with the sample type corresponding to the loading position, issue a warning signal and lock the robotic arm.

[0077] In this embodiment, to address the problem of mixing rods and plates, a specialized scanner is installed above each sample loading station. Using image recognition and shape analysis technology, the scanner can quickly identify whether the sample being loaded is a rod or a plate. If a sample type mismatches the preset sample type for that location, such as a rod being placed in the plate area, an alarm is immediately triggered and the robotic arm is locked, preventing it from performing the grabbing action until the operator corrects the sample placement error.

[0078] In progress Figure 10 During the mechanical property test of the metal sheet sample shown in the figure, it is necessary to test the parallel section of the metal sheet sample ( Figure 10 The cross-sectional area of ​​the parallel segment is obtained by measuring the corresponding part of Lc in the parallel segment. However, the current laboratory dimensional measurement of thin plate samples is done manually, which is inefficient and has large errors.

[0079] Therefore, the size measurement unit provides a plate sample size measurement device, such as Figures 5 to 13 As shown, the plate sample size measuring device includes a displacement sensor 1.1, a clamping assembly 1.2 and a lifting assembly 1.3, wherein: The displacement sensors 1.1 are arranged on both sides of the sample 1.4 in the width direction and the thickness direction; The clamping assembly 1.2 is arranged on both sides of the specimen 1.4 in the thickness direction. The measuring element of the displacement sensor 1.1 in one direction is located on the clamping surface of the clamping assembly 1.2. As the clamping surface approaches or moves away from the specimen 1.4, the measuring element of the displacement sensor 1.1 in the other direction is driven toward or away from the specimen 1.4 by the telescopic assembly. The lifting assembly 1.3 is arranged in the length direction of the sample 1.4. A placement position for placing the sample 1.4 is provided on the protruding end of the lifting assembly 1.3. The measuring point position of the sample 1.4 is adjusted by lifting the sample 1.4. In the above technical solution, when the sample 1.4 is clamped by the clamping assembly 1.2, the measuring element of the displacement sensor 1.1 in that direction will move synchronously, and the measuring element of the displacement sensor 1.1 in the width direction will also move synchronously toward the sample with the telescopic assembly, so as to determine the width and thickness of the sample by the displacement value output by the displacement sensor 1.1, thereby obtaining the cross-sectional area of ​​the sample 1.4. Since the three measurement points of the left, middle and right parallel section of the sample 1.4 are generally selected during measurement, after the measurement of one point is completed, the lifting assembly 1.3 can be used to drive the sample 4 to move, and the clamping and measurement actions can be repeated until all points are measured. Then, the final measurement result can be obtained by averaging the measurement results of the three measurement points.

[0080] In order to support and install the displacement sensor 1.1 and the clamping assembly 1.2, a mounting plate 1.5 is also included. The displacement sensor 1.1 and the clamping assembly 1.2 are mounted on the mounting plate 1.5. The lifting assembly 1.3 is mounted on the bottom side of the mounting plate 1.5. The mounting plate 1.5 is provided with a through hole for the sample 1.4 to pass through. Figure 8 As shown, the mounting plate 1.5 includes a first mounting plate 1.501 and a second mounting plate 1.502. The first mounting plate 1.501 is mounted on the second mounting plate 1.502 through a support column. The clamping assembly 1.2 and the displacement sensor 1.1 are respectively arranged on the top and bottom of the first mounting plate 1.501. The bottom schematic diagram of the first mounting plate 1.501 can be referred to Figure 12 The lifting assembly 1.3 is arranged at the bottom of the second mounting plate 1.502. The first mounting plate 1.501 and the second mounting plate 1.502 are provided with through holes for the sample 1.4 to pass through. The lifting assembly 1.3 in this embodiment adopts a cylinder. The protruding end of the cylinder is provided with a placement position for placing the sample 1.4. The placement position is Figure 14 Indicated by A.

[0081] In order to achieve the clamping of the sample 1.4 by the clamping assembly 1.2, the clamping assembly 1.2 includes a clamping cylinder 1.201, a clamping jaw 1.202 and a synchronization assembly, wherein: The clamping jaws 1.202 are symmetrically distributed on both sides of the specimen 1.4. The two clamping jaws 1.202 are connected by a synchronization component. The clamping cylinder 1.201 is driven by the clamping jaw 1.202 on one side. When the clamping jaw 1.202 on one side moves under the action of the clamping cylinder 1.201, the synchronization component drives the clamping jaw 1.202 on the other side to move synchronously.

[0082] The displacement sensors 1.1 are provided with four, and the four displacement sensors 1.1 are respectively perpendicular to the width surface and the thickness surface of the sample 1.4. In order to realize the measurement of the sample 1.4 by the displacement sensor 1.1, the displacement sensor 1.1 adopts a precision grating length meter. When the grating length meter is used, the installation setting of the measuring element in the grating length meter on the clamping side is different from that of the measuring element on the non-clamping side. The two measuring elements on the clamping side are installed on the clamping surface of the clamping component 1.2, and a groove can be provided on the clamping surface to install the measuring element. Figure 12 and Figure 13 The clamping surface with the groove is shown. A pneumatically driven measuring rod (i.e., the aforementioned telescopic assembly) is provided on the non-clamping side. The measuring rod's telescopic direction is perpendicular to the width of the specimen 1.4. Two measuring elements on the non-clamping side are fixed to the end of the extended end of the measuring rod. In order to realize the synchronization of the clamping jaws 1.202 on both sides of the synchronization component, as shown in FIG. Figure 4 As shown, the synchronization assembly includes a first matching rod 1.203, a second matching rod 1.204, a first support member 1.205, a second support member 1.206, a first connecting member 1.207, a second connecting member 1.208 and a three-link 1.209, wherein, The first support member 1.205 and the second support member 1.206 are both fixed on the mounting plate 1.5, and the first mating rod 1.203 and the first mating rod 1.203 are both slidably connected to the first support member 1.205 and the second support member 1.206; The first connecting member 1.207 and the second connecting member 1.208 are disposed inside the first supporting member 1.205 and the second supporting member 1.206. One end of the first connecting member 1.207 is fixed to the first mating rod 1.203, and the other end is slidably connected to the second mating rod 1.204. One end of the second connecting member 1.208 is fixed to the second mating rod 1.204, and the other end is slidably connected to the first mating rod 1.203. The clamping jaw 1.202 is mounted on a side surface adjacent to the first connecting member 1.207 and the second connecting member 1.208; The clamping cylinder 1.201 is mounted on a side of the first support member 1.205 away from the second support member 1.206, and the protruding end of the clamping cylinder 1.201 is fixed to the first connecting member 1.207. The three-link rod 1.209 is provided on a side of the second support member 1.206 away from the first support member 1.205, and the two ends of the three-link rod 1.209 are hinged to the first matching rod 1.203 and the second matching rod 1.204 respectively. The three-link 1.209 includes a main rod 210 and two auxiliary rods 211 of the same specifications. The middle portion of the main rod 210 is rotatably mounted on the mounting plate 1.5 via a rotating shaft. One end of the two auxiliary rods 211 is hinged to the end of the main rod 210, and the other end is hinged to the first mating rod 1.203 and the second mating rod 1.204 respectively. When the clamping cylinder 1.201 extends, the first connecting member 1.207 drives the clamping jaw 1.202 to move toward the sample 1.4, and the first matching rod 1.203 fixed to the first connecting member 1.207 moves synchronously, driving the main rod 210 in the three-link 1.209 to tilt. At this time, the secondary rod 211 at the other end drives the second matching rod 1.204 to move in the opposite direction of the first matching rod 1.203, thereby driving the clamping jaw 1.202 on the second connecting member 1.208 fixed to the second matching rod 1.204 to move synchronously with the clamping jaw 1.202 on the first connecting member 1.207, thereby achieving synchronization of the two clamping jaws 1.202, thereby achieving synchronous clamping and synchronous release; It should be noted that the first cooperating rod 1.203 and the second cooperating rod 1.204, the first supporting member 1.205 and the second supporting member 1.206, and the first connecting member 1.207 and the second connecting member 1.208 are all structural members of the same specifications.

[0083] It also includes a workbench 1.7, the lifting assembly 1.3 is installed on the workbench 1.7, and the sample placement position 1.9 is installed on the workbench 1.7 through a supporting column.

[0084] Due to the high accuracy of the sensor, in order to keep the detection environment clean, it is necessary to perform dust-proof treatment on the detection environment. Therefore, a protective cover 1.8 is also included. The protective cover 1.8 is installed on the workbench 1.7. The displacement sensor 1.1, the clamping assembly 1.2 and the lifting assembly 1.3 are located in the protective cover 1.8. The protective cover 1.8 is provided with a sample placement position 1.9 for the sample 1.4 to pass through, and the sample placement position 1.9 corresponds to the through hole.

[0085] In order to place the sample 1.4 to be tested, a sample placement position 1.10 is also included. The sample placement position 1.10 is installed on the workbench 1.7 and is located on the side of the protective cover 1.8.

[0086] In summary, the metal sheet specimen size measuring unit provided in this embodiment adopts a synchronization component to synchronize the clamping jaws 1.202 on both sides of the specimen 1.4, so that when the clamping cylinder 1.201 is working, the two clamping jaws 1.202 can move synchronously, which can effectively ensure the accuracy of the measurement; by providing a dust cover 8 on the outside of the displacement sensor 1.1, the clamping component 1.2 and the lifting component 1.3, the detection environment can be dust-proofed and kept clean to prevent the accuracy of the sensor from being affected by dust.

[0087] Based on the above-mentioned automatic size measuring device for metal sheet specimens, a measuring method is also provided, which includes: Place the sample 1.4 on the placement position of the lifting component 1.3; The clamping assembly 1.2 and the telescopic assembly move toward the specimen 1.4, and the measurement value of the current point is determined based on the displacement value of the displacement sensor 1.1; After the measurement of one point is completed, the clamping assembly 1.2 and the telescopic assembly are moved away from the sample 1.4, and the lifting assembly 1.3 drives the sample 1.4 to move to the next measurement point, and the clamping and measuring action is repeated until the measurement of the three points is completed; The average of the three point measurements is taken as the final measurement value.

[0088] Measuring principle: like Figure 9 As shown, X1 and X2 are the displacements of the corresponding side displacement sensors 1.1 (i.e., the displacements output by the displacement sensors 1.1 on both sides in the width or thickness direction), b is the target measurement value (i.e., width or thickness), and the reading principle is b=A-(X1+X2), where A is the distance between the measurement surfaces of the two displacement sensors 1.1 under normal conditions. This value is a constant and can be obtained through calibration. Therefore, during measurement, as long as the displacement value output by the displacement sensor 1.1 is obtained, the measurement value can be quickly obtained through the reading principle formula to achieve the purpose of fast measurement.

[0089] and / or, According to the standard requirements of the metal material mechanics test method, when measuring the size of a metal round bar specimen, it is necessary to measure the left, middle and right parallel parts of the specimen in two mutually perpendicular directions to obtain the cross-sectional area of ​​the parallel section. However, currently all laboratories use manual measurement, which is simple to operate and low in cost, but inefficient. Human error leads to low accuracy, poor repeatability and consistency, and cannot achieve automatic archiving and traceability of data. Therefore, a dimensional measurement unit provides a dimensional measurement device for metal round bar specimens, such as Figures 15 to 19 As shown, the size measuring device of the metal round bar sample includes: Box 2.1.

[0090] The support block 2.3 is provided on the top of the box 2.1 and is used to place the sample 2.7 to be tested. In this embodiment, the support blocks 2.3 are provided in pairs. The support blocks 2.3 are C-shaped and have slots on the top. The two ends of the sample 2.7 to be tested are respectively locked in the slots. Figure 19 As shown, in this embodiment, the sample to be measured is a metal round bar, which includes two ends and a parallel portion in the middle. This measuring device is used to measure the cross-sectional area of ​​the parallel portion.

[0091] The guide rail 2.4 is provided on one side of the support block 2.3 and is used for moving the component 2.5 along the guide rail 2.4.

[0092] A movable assembly 2.5 is positioned on one side of the support block 2.3 and slidably connected to the guide rail 2.4. The movable assembly 2.5 is connected to a control system and receives movement signals from the control system to move along the length of the sample 2.7 to be measured. The movable assembly 2.5 comprises a mounting base 2.5-1, a connecting base 2.5-2, and a mounting bracket 2.5-3. The mounting base 2.5-1 slidably connects to the guide rail 2.4, the connecting base 2.5-2 is fixed to the top of the mounting base 2.5-1, and the mounting bracket 2.5-3 is fixed to the top of the connecting base 2.5-2 and is used to mount the diameter measuring sensor 2.6.

[0093] The diameter measuring sensor 2.6 is installed on the moving component 2.5 and moves with the moving component 2.5. The diameter measuring sensor 2.6 is connected to the control system, and measures the distance to the sample to be measured 2.7 after receiving the measurement signal from the control system. The diameter measuring sensor 2.6 includes a diameter measuring sensor transmitting end 2.6-1 and a diameter measuring sensor receiving end 2.6-2; the diameter measuring sensor transmitting end 2.6-1 is fixed to the top of the mounting frame 2.5-3, and the diameter measuring sensor receiving end 2.6-2 is installed at the bottom of the mounting frame 2.5-3. When the size measuring unit is in working state, the diameter measuring sensor transmitting end 2.6-1 and the diameter measuring sensor receiving end 2.6-2 are respectively located on the upper and lower sides of the sample to be measured 2.7. The distance between the diameter measuring sensor transmitting end 2.6-1 and the diameter measuring sensor receiving end 2.6-2 is a fixed value. By measuring the distance to the sample to be measured 2.7 respectively, the diameter of the sample to be measured can be calculated.

[0094] Protective cover 2.2 is located at the top of the housing 2.1, away from the support block 2.3. One end of the guide rail 2.4 is located within the protective cover 2.2. When not in operation, the moving assembly 2.5 and the diameter measuring sensor 2.6 are located within the protective cover 2.2, protecting them from dust and contamination, keeping the diameter measuring sensor clean.

[0095] In this embodiment, the diameter measuring sensor 2.6 adopts a precision photoelectric detection sensor, the measuring range of which can meet the measurement range of on-site samples, with a resolution of 0.001mm and an accuracy of ±0.001mm.

[0096] Based on the above-mentioned device for measuring the size of a metal round bar sample, a measurement method is also provided. Specifically, it includes: Step 1: Place the sample 2.7 to be tested on the support block 2.3.

[0097] In this embodiment, the robot grabs the metal round bar and places it on the support block 2.3.

[0098] Step 2: The moving component 2.5 receives the moving signal from the control system and moves to the three test points of the test sample 2.7 in sequence.

[0099] In this embodiment, three evenly spaced points on the left, middle, and right of the parallel section of the metal round bar are selected as the test points. Figure 19 The mobile component 2.5 moves to each point to be measured under the control of the control system.

[0100] Step 3: The diameter measuring sensor 2.6 receives the measurement signal from the control system, measures the distances to the three measured points of the sample 2.7 and sends the distances to the control system.

[0101] After the moving assembly 2.5 moves to each point to be measured, the diameter measuring sensor 2.6 measures the distance from the diameter measuring sensor transmitting end 2.6-1 and the diameter measuring sensor receiving end 2.6-2 to the point to be measured respectively under the control of the control system.

[0102] Step 4: After the three test points are measured, the test sample 2.7 is rotated 90 degrees axially.

[0103] In this embodiment, the robot grabs the sample to be tested and rotates it 90 degrees axially, and then places the rotated sample on the support block 2.3.

[0104] Step 5: Re-measure the distances between the diameter measuring sensor 2.6 and the three measuring points of the sample 2.7 to be measured, and send the distances to the control system.

[0105] The moving assembly 2.5 drives the diameter measuring sensor 2.6 to move to the parallel section of the metal rod for a second measurement. The same three measurement points as in step 3 are selected for the second measurement.

[0106] Cross-sectional area calculation principle: After receiving the two measurement results, the control system first calculates the diameter based on the six measurement results, which is expressed as: d=A-(X1+X2); Wherein, d represents the diameter, A represents the distance between the transmitting end 2.6-1 of the diameter measuring sensor and the receiving end 2.6-2 of the diameter measuring sensor, X1 represents the distance from the transmitting end of the diameter measuring sensor to the metal round rod, and X2 represents the distance from the receiving end of the diameter measuring sensor to the metal round rod.

[0107] The cross-sectional area of ​​each point to be measured is calculated according to the calculated diameter, and the six cross-sectional areas are averaged to obtain the final cross-sectional area calculation result.

[0108] Tensile testing is a crucial step in determining the mechanical properties of materials. Currently, matching the testing machine and specimen for tensile testing relies primarily on manual judgment. This involves operators relying on experience to match the specimen type and size to the appropriate testing machine. This inefficient matching method is inefficient. Existing mechanical testing systems are unable to accurately assemble specimens onto the appropriate testing machine, as humans rely on experience. This can lead to incorrectly selected testing machines, resulting in collisions and damage to both the machine and the specimen.

[0109] As the demand for material testing continues to grow, the requirements for testing accuracy continue to increase. Traditional manual matching methods can no longer meet today's needs. If the testing machine is not selected properly, not only will it be impossible to accurately measure the mechanical properties of the material, but it may also cause irreversible damage to the equipment and specimens due to equipment accuracy mismatch, increasing testing costs and time costs. Therefore, in order to solve the above problems, the testing machine is matched according to the sample element information and sample size information, such as Figures 20 to 21 As shown, this embodiment provides a first test machine matching method, including: Obtaining sample size information and sample element information of the sample; Determining the predicted tensile strength of the sample based on the sample element information and the tensile strength prediction model; A target testing machine matching the sample is determined based on the sample size information and the predicted tensile strength.

[0110] Furthermore, to better illustrate the first test machine matching method provided by the embodiments of the present invention, numerous specific details are provided in the following detailed description. Those skilled in the art will appreciate that the present invention can be practiced without certain specific details. In some instances, methods, means, components, and circuits well known to those skilled in the art are not described in detail in order to highlight the main points of the present invention.

[0111] Figure 20It is a flowchart of the first test machine matching method provided by the embodiment of the present invention. This specification provides method operation steps such as the embodiment or flowchart, but may include more or fewer operation steps based on conventional or non-creative work. The order of steps listed in the embodiment is only one way of executing the steps among many orders, and does not represent the only order of execution. When the actual system or server product is executed, it can be executed in sequence or in parallel (for example, in a parallel processor or multi-threaded processing environment) according to the method shown in the embodiment or the accompanying drawings. Specifically, Figure 20 As shown, the above method may include: S101: Obtaining sample size information and sample element information of the sample; In a specific embodiment, the sample can be a sample used for mechanical property testing; the sample size information can characterize the geometric properties of the material sample; optionally, the sample size information can include the length, thickness, etc. of the material sample; the sample element information can characterize the component information contained in the material sample.

[0112] In an optional embodiment, the above-mentioned acquisition of the sample size information and sample element information of the sample may include: Controlling the dimension measurement unit to perform dimension measurement on the sample to obtain dimension information of the sample; The type identification device is controlled to perform element identification processing on the sample to obtain element information of the sample.

[0113] In a specific embodiment, the size measurement unit is used to measure the size of the sample, and the structure and installation of the size measurement unit can be set in combination with actual application requirements; the type identification device is used to identify the elements of the sample, and the structure and installation of the type identification device can be set in combination with actual application requirements.

[0114] In an optional embodiment, the size measurement unit may include a laser ranging multi-sensor, and the control of the size measurement unit to perform size measurement processing on the sample to obtain sample size information may include: Controlling the laser ranging multi-sensor to emit laser beams to the sample at different target angles, and determining the emission time of each laser ranging sensor to send the laser beam, the laser ranging multi-sensor being a preset number of laser ranging sensors set at relative positions in the thickness direction of the sample; After each laser distance measuring sensor receives the laser beam reflected from the surface of the sample, a receiving time of the laser distance measuring sensor receiving the laser beam is determined; Determine the time difference of each laser ranging sensor according to the emission time and the reception time of each laser ranging sensor; Determine the thickness information of the sample based on the time difference of each laser ranging sensor and the longitudinal distance between a preset number of laser ranging sensors; Control the sample to move at a constant speed along the measuring length track under the laser ranging sensor; The time from the first contact of the sample with the laser beam of the laser ranging sensor to the time it leaves the laser beam of the laser ranging sensor is determined as the measurement time; Determine the length information of the sample based on the moving rate of the sample and the measurement time; Based on the thickness information and the length information, the sample size information is determined.

[0115] In an optional embodiment, the dimension measurement unit can be equipped with a preset number of high-precision laser ranging sensors. The preset number of high-precision laser ranging sensors can be set at relative positions in the thickness direction of the sample. The preset number of laser ranging sensors can be set based on actual application requirements. Specifically, the preset number of laser ranging sensors can be two groups of laser ranging sensors. The two groups of laser ranging sensors can be set at relative positions in the thickness direction of the sample. Optionally, when the sample is a round rod, the two groups of laser ranging sensors are set at relative positions in the diameter direction of the round rod; when the sample is a plate, the two groups of laser ranging sensors are set at relative positions in the thickness direction of the plate, that is, the laser ranging sensors can be set at relative positions above and below the plate. The longitudinal distance between the preset number of laser ranging sensors can be the distance between the preset number of laser ranging sensors, specifically, the distance between the two groups of laser ranging sensors set at relative positions in the thickness direction of the sample.

[0116] Optionally, determining the sample thickness information based on the time difference between each laser ranging sensor and the longitudinal distance between a preset number of laser ranging sensors may include: determining a target distance between each laser ranging sensor and the sample based on the time difference between each laser ranging sensor; and determining the sample thickness information based on each target distance and the longitudinal distance between the preset number of laser ranging sensors. Specifically, the target distance between each laser ranging sensor and the sample = speed of light * (time difference / 2), and the sample thickness is the difference between the longitudinal distance between the laser ranging sensors and each target distance.

[0117] In one specific embodiment, the time from the time the specimen first contacts the laser beam of the laser ranging sensor to the time it leaves the laser beam of the laser ranging sensor is determined as the measurement time. The laser ranging sensor may be any identical laser ranging sensor among a preset number of laser ranging sensors. Optionally, the length of the specimen = specimen movement rate * measurement time.

[0118] In a specific embodiment, the dimension measurement unit may further include an image acquisition device; controlling the dimension measurement unit to perform dimension measurement processing on the specimen to obtain specimen dimension information may include: controlling the image acquisition device to acquire images of the specimen from multiple angles to obtain panoramic image data of the specimen; and determining the specimen dimension information of the specimen based on the panoramic image data. The specimen's outline may be identified based on the panoramic image data, and then the pixel size of the specimen in the image may be converted to the specimen's actual dimension through proportional calculation.

[0119] In the above embodiment, by measuring the size of the sample using the size measuring unit, errors in manual measurement can be avoided, labor can be reduced, and the accuracy and efficiency of the sample size measurement can be improved, thereby improving the accuracy of the testing machine matching.

[0120] In an optional embodiment, the type identification device may include a spectrum analyzer; and controlling the type identification device to perform element identification processing on the sample to obtain element information of the sample may include: Control the spectrum analyzer to perform element identification processing on the sample to obtain the sample element information.

[0121] In a specific embodiment, the spectrum analyzer may analyze the ratio of the main component elements of the sample. Optionally, the sample element information may include the sample elements and the sample element ratios.

[0122] In the above embodiment, the element identification processing of the sample by the type identification device can improve the accuracy and efficiency of the sample element identification, so as to facilitate the subsequent matching of the testing machine and improve the accuracy of the testing machine matching.

[0123] S102: Determine the predicted tensile strength of the sample based on the sample element information and the tensile strength prediction model; In a specific embodiment, the tensile strength prediction model can be used to predict the tensile strength of a determined specimen.

[0124] In an optional embodiment, the above-mentioned determination of the predicted tensile strength of the sample based on the sample element information and the tensile strength prediction model may include: Determining sample type information of the sample based on the sample element information; Based on the sample type information, determining a tensile strength prediction model corresponding to the sample type information; The sample element information is input into the tensile strength prediction model to obtain the predicted tensile strength of the sample.

[0125] In a specific embodiment, the sample type information may be classification information of the sample according to the sample element information. Optionally, the sample type information may include aluminum alloy, titanium alloy, magnesium alloy, etc.

[0126] In a specific embodiment, different types of samples may have corresponding tensile strength prediction models. Optionally, taking 2xxx (e.g., 2024) series aluminum alloy as an example, the main strengthening element is Cu, supplemented by Mg, Mn, etc., the tensile strength prediction model corresponding to the aluminum alloy can be determined by multivariate regression fitting. The tensile strength prediction model can be shown as follows: ; in, The predicted tensile strength of the aluminum alloy can be represented by a, b, c, d, e, and f. These regression coefficients can be obtained by fitting experimental data (e.g., tensile test results of different specimens). Alternatively, the elemental information of the aluminum alloy specimen can be input into the tensile strength prediction model to obtain the predicted tensile strength of the aluminum alloy.

[0127] Specifically, in Al-Cu-Mg alloy, the tensile strength prediction model of Al-Cu-Mg can be Specifically, the sample element information of the Al-Cu-Mg alloy can be input into the tensile strength prediction model to obtain the predicted tensile strength of the Al-Cu-Mg alloy.

[0128] Optionally, if the sample type information is steel, the tensile strength of steel is closely related to its carbon content and is also affected by alloying elements (such as Mn, Cr, and Ni). The carbon equivalent converts the effect of each element on strength and hardenability into an equivalent carbon content. Based on the sample type information, a tensile strength prediction model corresponding to the steel can be determined. This tensile strength prediction model can determine the carbon equivalent of the steel based on the sample element information, and then determine the predicted tensile strength of the steel based on the carbon equivalent. Optionally, the carbon equivalent can be determined based on the following formula: ; Optionally, when CE<0.4%, the tensile strength of the steel material can be 400-500 MPa; for every 0.1% increase in CE, the strength of the steel material can be increased by 50-80 MPa.

[0129] Optionally, when the sample type information is titanium alloy, such as Ti-6Al-4V, the tensile strength prediction model of the titanium alloy can be as follows: .

[0130] Optionally, when the sample type information is a magnesium alloy, such as AZ31, the tensile strength prediction model of the magnesium alloy may be as follows: .

[0131] In the above embodiment, the corresponding tensile strength prediction model is determined based on the sample type information, and then the predicted tensile strength of the sample is determined based on the sample element information. This can improve the accuracy of the predicted tensile strength, and then improve the accuracy of the sample testing machine matching, thereby avoiding unnecessary damage caused by improper testing machine selection.

[0132] S103: Based on the sample size information and the predicted tensile strength, determine a target testing machine that matches the sample.

[0133] In an optional embodiment, the determination of a target testing machine that matches the sample based on the sample size information and the predicted tensile strength may include: Based on the sample size information, determine the cross-sectional area information of the sample; Determine the target load for the specimen based on the cross-sectional area information and the predicted tensile strength; Based on the target load and specimen size information, determine the target testing machine.

[0134] In a specific embodiment, the above-mentioned determination of the target testing machine based on the target load and the sample size information may include: determining the initial testing machine based on the target load; determining the target testing machine based on the sample size information and the initial testing machine. Optionally, the target load of the sample can be determined based on the product of the cross-sectional area information of the sample and the predicted tensile strength. Optionally, among the testing machines of different ranges, the minimum range testing machine with a preset safety factor greater than the target load is matched as the initial testing machine of the sample. Optionally, the preset safety factor can be set in combination with actual application requirements. For example, the preset safety factor can be 120%, so as to ensure safety during the mechanical properties test and efficient use of equipment.

[0135] In a specific embodiment, the above-mentioned determination of the target testing machine based on the sample size information and the initial testing machine may include: comparing the sample size information with a preset size threshold of the initial testing machine to obtain a size comparison result; when the size comparison result indicates that the sample size information is less than or equal to the preset size, determining the initial testing machine as the target testing machine that matches the sample. Optionally, the preset size threshold may be a sample size threshold that can be tested within the testing machine's own moving range. After determining the initial testing machine based on the target load, further determining whether the initial testing machine is feasible based on the sample size information can ensure that the testing machine performs mechanical property testing on the sample when the sample size meets the test size of the testing machine, thereby improving the accuracy and authenticity of the material mechanical property testing.

[0136] In an optional embodiment, after determining a target testing machine that matches the sample based on the sample size information and tensile strength, the method may include: Acquiring specimen test information of the specimen, the specimen test information is obtained by controlling a target testing machine to perform a mechanical test on the specimen; According to the preset model updating algorithm, the tensile strength prediction model is updated in combination with the predicted tensile strength and the sample test information to obtain an updated tensile strength prediction model, wherein the updated tensile strength prediction model is used to determine the predicted tensile strength of the sample.

[0137] In a specific embodiment, the sample test information can represent the results of the mechanical property test of the sample under the target testing machine. Optionally, the sample test information may include strength information, plasticity information, hardness information, toughness information, etc. Optionally, the preset model update algorithm can be set in combination with actual application requirements. Optionally, the preset model update algorithm can be a least squares method, which determines the model loss based on the predicted tensile strength and the actual tensile strength in the sample test information, and iteratively updates the model coefficients based on the model loss; optionally, the model loss can be determined based on a preset loss function, which can be set in combination with actual application requirements. Specifically, the preset loss function can be a mean square error. Specifically, the coefficients of the model can be updated by minimizing the mean square error.

[0138] In the above embodiment, as the sample test information continues to increase, the tensile strength prediction model is continuously iteratively optimized, and the prediction accuracy is gradually improved, which can improve the intelligence and accuracy of the testing machine matching, and thus improve the efficiency and accuracy of the material mechanical properties testing.

[0139] It can be seen from the technical solutions provided in the above embodiments of this specification that this specification obtains the sample size information and sample element information of the sample, and then determines the predicted tensile strength of the sample based on the sample element information and the tensile strength prediction model; then determines the target testing machine that matches the sample based on the sample size information and the predicted tensile strength, which can achieve intelligent and precise matching of the testing machine and the sample according to the sample type and size, thereby avoiding damage caused by improper selection of the testing machine, and through the predicted tensile strength of different types of samples, combining the test size information to determine the testing machine that matches different types of samples, it can realize the automation of testing machine matching and improve the efficiency and accuracy of testing machine matching, and can ensure that the accuracy and stroke of the testing machine meet the requirements during the mechanical properties testing process, thereby improving the efficiency, accuracy and reliability of material mechanical properties testing.

[0140] The embodiment of the present invention further provides a first test machine matching device, which is used in the first test machine matching method provided in the above embodiment. Accordingly, Figure 21 Schematic diagram of the structure of the first test machine matching device provided by the embodiment of the present invention; Figure 21 As shown, the above device includes: The information acquisition module 210 is used to obtain the sample size information and sample element information of the sample; a strength determination module 220 for determining the predicted tensile strength of the sample based on the sample element information and the tensile strength prediction model; The testing machine matching module 230 is configured to determine a target testing machine that matches the sample based on the sample size information and the predicted tensile strength.

[0141] In an optional embodiment, the strength determination module 220 includes: a type determining unit, configured to determine sample type information of the sample based on the sample element information; a model determining unit, configured to determine, based on the sample type information, a tensile strength prediction model corresponding to the sample type information; The strength determination unit is used to input the sample element information into the tensile strength prediction model to obtain the predicted tensile strength of the sample.

[0142] In an optional embodiment, the test machine matching module 230 is specifically configured to: Determining cross-sectional area information of the sample based on the sample size information; determining a target load for the specimen based on the cross-sectional area information and the predicted tensile strength; The target testing machine is determined based on the target load and the sample size information.

[0143] In an optional embodiment, the device includes: a model updating module for Acquiring sample test information of the sample, wherein the sample test information is obtained by controlling a target testing machine to perform a mechanical test on the sample; According to a preset model updating algorithm, the tensile strength prediction model is updated in combination with the predicted tensile strength and the sample test information to obtain an updated tensile strength prediction model, wherein the updated tensile strength prediction model is used to determine the predicted tensile strength of the sample.

[0144] In an optional embodiment, the information acquisition module 210 includes: A size acquisition module is used to control the size measurement unit to perform size measurement processing on the sample to obtain sample size information; The element acquisition module is used to control the type identification device to perform element identification processing on the sample to obtain sample element information.

[0145] In an optional embodiment, the size measurement unit includes a laser ranging multi-sensor, and the size acquisition module is specifically used to Controlling a laser ranging multi-sensor to emit a laser beam to the sample at different target angles, and determining the emission time of each laser ranging sensor to transmit the laser beam, wherein the laser ranging multi-sensor is a preset number of laser ranging sensors arranged at relative positions in the thickness direction of the sample; After each laser ranging sensor receives the laser beam reflected from the sample surface, determining a reception time of the laser ranging sensor receiving the laser beam; Determining the time difference of each laser ranging sensor according to the emission time and the reception time of each laser ranging sensor; Determining thickness information of the sample based on the time difference of each laser ranging sensor and the longitudinal distance between the preset number of laser ranging sensors; Controlling the sample to move at a constant speed along a measuring length track under a laser ranging sensor; Determine the time from when the sample first contacts the laser beam of the laser ranging sensor to when it leaves the laser beam of the laser ranging sensor as the measurement time; determining length information of the sample based on the moving speed of the sample and the measurement time; The sample size information is determined based on the thickness information and the length information.

[0146] In an optional embodiment, the type identification device includes a spectrum analyzer; the element acquisition module is specifically used to The spectrum analyzer is controlled to perform element identification processing on the sample to obtain element information of the sample.

[0147] Regarding the first test machine matching device in the above embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the first test machine matching method, and will not be elaborated here.

[0148] An embodiment of the present invention also provides an electronic device, comprising: a processor and a memory, wherein the memory stores at least one instruction, at least one program, a code set or an instruction set, and the at least one instruction, the at least one program, the code set or the instruction set is loaded and executed by the processor to implement the first test machine matching method as described in any one of the method embodiments.

[0149] An embodiment of the present invention also provides a computer storage medium, which can be set in a server to store at least one instruction, at least one program, code set or instruction set for implementing the method embodiment. The at least one instruction, the at least one program, the code set or instruction set is loaded and executed by the processor to implement the first test machine matching method as described in any one of the method embodiments.

[0150] Optionally, in an embodiment of the present invention, the storage medium may be located in at least one of a plurality of network servers in a computer network. Optionally, in an embodiment of the present invention, the storage medium may include, but is not limited to, a USB flash drive, a read-only memory (ROM), a random access memory (RAM), a mobile hard drive, a magnetic disk, or an optical disk, among other media capable of storing program code.

[0151] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Thus, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0152] In the field of metal material testing, the sample inspection process typically involves multiple steps, including sample information entry, dimensional measurement, classification, testing machine matching, and inspection task allocation. Traditional inspection processes often suffer from the following issues: 1. Inaccurate sample classification: In traditional testing, sample classification often relies on manual operation or simple preset rules, which is prone to classification errors. For example, certain samples may be misclassified due to their unique size or shape, resulting in inaccurate subsequent inspection results. 2. Irrational testing machine matching: Traditional methods often allocate testing machines based on fixed rules or manual experience, failing to dynamically adjust based on actual sample demand and the real-time status of the testing machines. This can lead to some testing machines being overloaded while others remain idle, impacting inspection efficiency. 3. Unbalanced sample flow distribution: When the number of samples is large, traditional inspection systems struggle to achieve balanced sample flow distribution. Some testing machines may run for extended periods due to excessive sample allocation, while others remain idle, resulting in wasted resources. 4. Low detection efficiency: Due to the above problems, the efficiency of the entire detection process is low. Especially when dealing with a large number of samples, the system's response speed and processing capacity cannot meet actual needs. Therefore, to solve the above problems, this embodiment provides a second testing machine matching method based on sample element information and sample size information, including: Perform preliminary classification of the test samples according to the sample element information to obtain preliminary classification results; Correcting the preliminary classification result based on the sample size information to obtain a corrected classification result; Determine a testing machine allocation plan for each test sample based on the corrected classification results and sample size information; Based on the test machine allocation plan for each test sample, multiple test machines are started to test the test samples and the test data of multiple test machines are obtained; Dynamically adjust the testing machine allocation plan based on the inspection data of multiple testing machines.

[0153] The following combination Figure 22 As shown, the second test machine matching method provided in this embodiment is introduced, including: Step 1: Obtain the test sample type data, perform preliminary classification of the test samples according to the test sample type data, and obtain preliminary classification results.

[0154] The test sample type data includes sample shape, sample size, and sample material. In this embodiment, the sample shape includes plates and bars; the sample size of plates includes thickness and width, and the sample size of bars includes diameter; and the sample material includes carbon steel, alloy steel, and nonferrous metal.

[0155] The size of the test samples entering the detection system is fixed, the thickness of the plate is 0.5-25mm, the width is 20-30mm, and the diameter of the bar is 6-20mm.

[0156] The preliminary classification process includes: classifying the test samples whose test sample type data is plate into the plate category, and classifying the test samples whose test sample type data is bar into the bar category.

[0157] Step 2: Dimensional measurements are performed on the preliminarily classified test samples to obtain measurement data, and the preliminarily classified results are corrected based on the measurement data to obtain corrected classification results.

[0158] The measurement data of the plate includes thickness and width, and the measurement data of the bar includes diameter; If the deviation between the measured data and the sample size of the current test sample is greater than 10%, the preliminary classification result of the current test sample is determined to be incorrect and the current test sample is removed from the preliminary classification results and awaits manual review. After manual review, the test sample is reclassified to ensure more accurate classification of each sample, providing a reliable basis for subsequent matching of the appropriate testing machine.

[0159] Step 3: Determine the test machine allocation plan for each test sample based on the corrected classification results and measurement data.

[0160] The testing machine categories include plate testing machines and bar testing machines. Based on the corrected classification results and measurement data of the test sample, a matching primary and secondary testing machine are selected from the corresponding testing machine categories. The test sample is preferentially assigned to the primary testing machine. If the primary testing machine is unavailable, it is automatically assigned to the secondary testing machine.

[0161] Step 4: Based on the test machine allocation plan for each test sample, start multiple test machines to test the test samples, and obtain test data from multiple test machines.

[0162] After determining the matching solution for each test sample, multiple testing machines are started up simultaneously. Different types of testing machines (plate testing machines and bar testing machines) independently carry out testing according to their assigned sample tasks.

[0163] After multiple testing machines are activated to test samples, testing data from each testing machine is collected every time the average test completion time for a single test sample is reached (in this embodiment, the average test completion time for a single test sample is 10 minutes). The testing data includes the number of samples assigned to each testing machine and the current operating status of each testing machine.

[0164] Step 5: Dynamically adjust the test machine allocation plan based on the test data of multiple test machines.

[0165] Calculate the average number of samples assigned to all testing machines based on the number of samples assigned to each testing machine N avg and the standard deviation σ.

[0166] If the number of samples assigned to any testing machine is equal to the average value N avg If the difference is greater than 3σ, it is judged that too many samples are allocated to the testing machine, and the allocation of test samples to the testing machine is suspended.

[0167] If the mean value N avg If the difference between the number of samples allocated to any testing machine is greater than 3σ or any testing machine has completed the inspection task of all current test samples and is in an idle state, it is judged that the number of samples allocated to the testing machine is too small, and test samples are allocated to it first to ensure that the working efficiency of each testing machine is maximized and avoid idle equipment and waste of resources.

[0168] Until the number of samples assigned to each testing machine and the average value N avg If the difference is within ±3σ, the dynamic adjustment is complete. This dynamic flow control strategy enables efficient and balanced operation of the testing machine when the number of samples is large, thereby improving detection efficiency.

[0169] This embodiment provides a second test machine matching method system based on the second test machine matching method provided above, including: The sample information acquisition module is used to obtain the test sample type data, perform preliminary classification of the test samples according to the test sample type data, and obtain preliminary classification results; A classification correction module is used to measure the dimensions of the test samples after preliminary classification to obtain measurement data, and to correct the preliminary classification results based on the measurement data to obtain a corrected classification result; A testing machine allocation module, configured to determine a testing machine allocation plan for each test sample based on the corrected classification results and the measurement data; The multi-machine operation coordination module is used to start multiple testing machines to test the test samples based on the test machine allocation plan of each test sample, and obtain the test data of multiple testing machines; The sample flow control module is used to dynamically adjust the test machine allocation plan based on the detection data of multiple test machines.

[0170] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware. Furthermore, the present application may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0171] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 a process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0172] These computer program instructions may also be stored in a computer readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 a process or multiple processes and / or boxes Figure 1 The function specified in one or more boxes.

[0173] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing the instructions executed on the computer or other programmable device for implementing the process. Figure 1 a process or multiple processes and / or boxes Figure 1 A step that specifies a function in one or more boxes.

[0174] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

[0175] Tensile testing is an important method for obtaining key mechanical property data during material mechanical property testing. Due to differences in material structure, hardness, toughness, and stress-strain characteristics, traditional mechanical property testing machines exhibit significant deficiencies in clamping force control and tension rate matching during tensile testing. Currently, clamping force control typically relies on a fixed setting or manual adjustment based on operator experience. This makes it difficult to precisely match the clamping force to the material when testing diverse materials. For example, insufficient clamping force can cause sample slippage during stretching, resulting in significant deviations in the measured data and a failure to accurately reflect the material's mechanical properties. Excessive clamping force can damage soft, brittle materials, or those with specialized structures, similarly impacting the accuracy of test results. Tensile rate control currently relies primarily on manual setting, which fails to accurately match the material's inherent properties. For example, brittle materials require a lower tension rate to prevent premature fracture, but manual setting often struggles to determine the appropriate tension rate, resulting in test results that fail to accurately reflect the material's properties. The current control of clamping force and pulling rate not only makes it difficult to ensure the accuracy of the test results, but also makes the entire mechanical properties testing process inefficient. In addition, the existing technology cannot coordinate the clamping force and pulling rate, which makes the entire mechanical properties testing process unstable and further affects the reliability of the test results. Therefore, to solve the above problems, this embodiment provides a method for controlling the clamping force and pulling rate, such as Figures 23 to 26 As shown, the method for controlling the clamping force and the pulling rate includes: Obtain basic sample information of material samples; generating a pre-clamping force based on the basic information of the sample; controlling the testing machine to perform mechanical property testing on the material sample at a pre-clamping force and an initial tension rate, and receiving sample test monitoring information of the material sample sent by the testing machine; Based on the sample test monitoring information and combined with an adaptive dynamic programming algorithm, the clamping force and tension rate of the testing machine are dynamically adjusted so that the testing machine can complete the mechanical property test of the material sample and generate mechanical property test results.

[0176] The following is a detailed introduction to the control methods of the above-mentioned clamping force and pulling rate: S101: Obtain basic sample information of the material sample; In a specific embodiment, the material sample can be a material for mechanical property testing. Optionally, the mechanical property testing can be combined with the actual application setting. Specifically, the mechanical property testing can be a tensile test. The basic information of the sample can characterize the sample properties and sample characteristics of the material sample; optionally, the basic information of the sample can be used to determine the identification information and physical properties of the material sample. S102: generating an initial clamping force based on the basic information of the sample; In an optional embodiment, the basic sample information includes sample identification information and sample size information; Figure 24 This is a flow chart of generating an initial clamping force based on basic sample information provided by an embodiment of the present application, such as Figure 24 As shown, the above-mentioned method of generating the initial clamping force based on the sample identification information and the sample size information may include: S201: Determine the mechanical properties of the material sample based on the sample identification information; S202: Determine geometric cross-sectional information of the material sample based on the sample size information; S203: Generate an initial clamping force based on the mechanical characteristics, geometric cross-section information, and a preset optimal multiple.

[0177] In a specific embodiment, the sample identification information can characterize the identity information of the material sample, which can facilitate the traceability and management of the entire life cycle of the material sample; optionally, the sample identification information may include the model specifications, material type, etc. of the material sample. The sample size information can characterize the geometric properties of the material sample; optionally, the sample size information may include the length and thickness of the material sample. The mechanical properties can characterize the behavior of the material sample under stress; optionally, the mechanical properties may include the tensile strength and yield strength of the material sample. The geometric cross-sectional information can be used to describe the cross-sectional shape and size of the sample material. The initial clamping force can be the force applied to clamp the material sample when starting to perform mechanical property testing on the material sample, and the initial clamping force can be used to clamp the material sample.

[0178] In a specific embodiment, the tensile strength of the material sample can be determined according to the model and specification of the material sample; specifically, the initial tensile strength of the material sample can be determined according to the material type of the material sample; the tensile strength of the material sample can be determined according to the model and specification of the material sample and the initial tensile strength. Optionally, in the case where the material sample is a rectangular metal tensile specimen, the cross-sectional area of ​​the material sample can be determined according to the width and thickness of the material sample. Optionally, the initial clamping force can be determined according to the tensile strength, geometric cross-sectional information and preset preferred multiples of the material sample, that is, initial clamping force = tensile strength * geometric cross-sectional information * preset preferred multiples; optionally, the preset preferred multiples can be set in combination with actual applications, specifically, the preset preferred multiples are 1.3 times, that is, when the preset preferred multiples are 1.3 times, a suitable initial clamping force can be determined.

[0179] In a specific embodiment, when the material sample is processed, the intelligent management and control system can receive basic sample information of the material sample. Specifically, the intelligent management and control system can receive the model and specifications of the material sample. Furthermore, after receiving the basic sample information, the intelligent management and control system can generate a sample information column for the material sample to record relevant information about the material sample during the mechanical properties testing process. Optionally, the intelligent management and control system can receive sample size information sent by a measuring device. Optionally, the size of the material sample can be measured by the measuring device to obtain the sample size information of the material sample. Specifically, the size of the material sample can be measured by the measuring device using light sensing measurement technology to obtain the sample size information of the material sample.

[0180] In the above embodiment, the initial clamping force is generated based on the sample identification information and the sample size information, and the initial clamping force can be determined for material samples with different characteristics. The accuracy of the initial clamping force setting for diversified materials can be improved, and the sliding or damage of the material samples can be avoided, thereby improving the accuracy of the clamping force and pulling rate control for diversified materials.

[0181] S103: Controlling the testing machine to perform mechanical property testing on the material sample at an initial clamping force and an initial pulling rate, and receiving sample test monitoring information of the material sample sent by the testing machine; In a specific embodiment, the initial tensile rate may be the speed at which the tensile force is applied by the testing machine at the beginning of the mechanical properties test. Optionally, the regulated tensile rate may refer to the displacement rate of the crossbeam of the testing machine. Optionally, the initial tensile rate may be set to a preset tensile rate according to the tensile test rules. The preset tensile rate may be set in combination with the actual application. Specifically, the initial tensile rate may be 2 mm / min. The sample test monitoring information may reflect the relationship between stress and strain of the material during the stress process during the mechanical properties test. Specifically, the sample test monitoring information may be a stress-strain curve.

[0182] In a specific embodiment, a testing machine performs mechanical property testing on a material sample. When the material sample contacts the testing machine fixture, the intelligent management and control system can generate an initial clamping force based on the sample identification information and sample size information, and then control the testing machine to perform mechanical property testing on the material sample with the initial clamping force and initial tensile rate, and receive sample test monitoring information of the material sample sent by the testing machine.

[0183] In the above embodiment, the control testing machine performs mechanical property testing on the material sample with the initial clamping force and initial pulling rate determined by the material characteristics, which can avoid sliding or premature damage of the material sample and improve the accuracy and reliability of the mechanical property testing.

[0184] S104: Based on the sample test monitoring information and in combination with the adaptive dynamic programming algorithm, the clamping force and the pulling rate of the testing machine are dynamically adjusted so that the testing machine completes the mechanical property test of the material sample and generates the mechanical property test results.

[0185] In an optional embodiment, Figure 25 This is a flow chart of a method for dynamically adjusting the clamping force and pulling rate of a testing machine based on sample test monitoring information and combined with an adaptive dynamic programming algorithm provided in an embodiment of the present application; Figure 25 As shown, the above-mentioned dynamic adjustment of the clamping force and pulling rate of the testing machine based on the sample test monitoring information combined with the adaptive dynamic programming algorithm may include: S301: Determine the mechanical stage corresponding to the material sample based on the sample test monitoring information; S302: Based on the mechanical stage, dynamically adjust the clamping force and pulling rate of the testing machine.

[0186] In a specific embodiment, in the mechanical property test of a material sample, the material sample will go through different mechanical stages during the stress process, and the mechanical stages can reflect the deformation of the material sample under different stress levels.

[0187] In a specific embodiment, the mechanical stage of the material sample can be determined in real time based on the sample test monitoring information; then, according to the different mechanical stages of the material sample, the clamping force and pulling rate of the testing machine can be dynamically adjusted in real time, thereby improving the accuracy and reliability of the clamping force and pulling rate control, and further improving the reliability and efficiency of the mechanical properties detection of the material sample.

[0188] In an optional embodiment, the above-mentioned dynamic adjustment of the clamping force and the pulling rate of the testing machine based on the mechanical stage may include: When the mechanical stage is in the elastic stage, the clamping force of the testing machine is controlled to maintain the initial clamping force; While controlling the clamping force of the testing machine to maintain the initial clamping force, the pulling rate of the testing machine is controlled to maintain the initial pulling rate so that the stress and strain of the material sample are in a linear relationship.

[0189] In a specific embodiment, in the elastic stage, the stress and strain of the material are linearly related and follow Hooke's law; optionally, in the elastic stage, the material undergoes reversible deformation and can completely return to its original state after the force is unloaded. Optionally, the intelligent management and control system can determine that the mechanical stage of the material sample is in the elastic stage based on the received sample test monitoring information; specifically, when the received sample test monitoring information indicates that the stress-strain curve shows a linear upward trend, the mechanical stage of the material sample is determined to be in the elastic stage.

[0190] In a specific embodiment, when the mechanical stage of the material sample is in the elastic stage, the deformation of the material sample is elastic deformation, and the material sample is not prone to sliding. At this time, the clamping force of the testing machine is controlled to maintain the initial clamping force; while controlling the clamping force of the testing machine to maintain the initial clamping force, the tensile rate of the testing machine is controlled to maintain the initial tensile rate, and a constant tensile rate is maintained to ensure that the stress and strain of the material sample are in a linear relationship, thereby improving the accuracy of the mechanical property detection of the material sample.

[0191] In an optional embodiment, the above-mentioned dynamic adjustment of the clamping force and the pulling rate of the testing machine based on the mechanical stage may include: When the mechanical stage is in the yield stage, the clamping force of the testing machine is controlled to increase by a first target adjustment value based on the initial clamping force to obtain a yield clamping force so that the material sample does not slide; While the clamping force of the testing machine is controlled to increase, the pulling rate of the testing machine is controlled to decrease to a target pulling rate.

[0192] In a specific embodiment, after the stress exceeds the elastic limit, the material sample enters the yield stage; optionally, in the yield stage, the material begins to undergo irreversible plastic deformation, at which point the stress no longer increases and the strain increases rapidly. Optionally, the intelligent management and control system can determine that the mechanical stage of the material sample is in the yield stage based on the received sample test monitoring information; that is, when the received sample test monitoring information reflects a significant turning point in the stress-strain curve, it is determined that the mechanical stage of the material sample is in the yield stage.

[0193] In a specific embodiment, when the mechanical stage of the material sample is in the yield stage, the strain of the material sample increases rapidly and the material sample is prone to slipping. At this time, the clamping force of the control test machine is increased by the first target adjustment value on the basis of the initial clamping force to obtain the yield clamping force. This process prevents the material sample from slipping. Optionally, the first target adjustment value can be set in combination with the actual application. Specifically, the first target adjustment value can be 1kN. Optionally, when the material sample is in the yield stage, the material sample slips, then the initial clamping force of the control test machine is increased by the first target adjustment value on the basis of the initial clamping force until the material sample stops slipping. Optionally, while the clamping force of the control test machine is increased, the tensile rate of the control test machine is reduced to the target tensile rate so that the material sample deforms under a stable stress-strain state.

[0194] In an optional embodiment, the above-mentioned dynamic adjustment of the clamping force and the pulling rate of the testing machine based on the mechanical stage may include: When the mechanical stage is in the strengthening stage, the clamping force of the testing machine is controlled to maintain the yield clamping force; While controlling the clamping force of the testing machine to maintain the yield clamping force, the tension rate of the testing machine is controlled to increase at a first target adjustment value.

[0195] In a specific embodiment, after the yield stage, the material sample enters the strengthening stage; optionally, during the strengthening stage, the strength of the material sample increases, and as the strain of the material sample increases, the stress also increases. Optionally, the intelligent management and control system can determine that the mechanical stage of the material sample is in the yield stage based on the received sample test monitoring information; that is, when the received sample test monitoring information reflects that the stress-strain curve is on an upward trend and the slope at this time is less than the slope of the elastic stage, it is determined that the mechanical stage of the material sample is in the yield stage.

[0196] In a specific embodiment, when the mechanical stage of the material sample is in the yield stage, the strength of the material sample is improved and the ability to resist deformation is enhanced. At this time, the clamping force of the testing machine is controlled to maintain the yield clamping force; while the clamping force of the testing machine is controlled to maintain the yield clamping force, the tensile rate of the testing machine is controlled to increase with the first target adjustment value, which can shorten the mechanical property testing time; optionally, the first target adjustment value can be set in combination with actual applications. Specifically, the range of the first target adjustment value can be 0.5mm / min-50mm / min.

[0197] In an optional embodiment, the above-mentioned dynamic adjustment of the clamping force and the pulling rate of the testing machine based on the mechanical stage may include: When the mechanical stage is in the necking stage, the clamping force of the testing machine is controlled to increase by a second target adjustment value based on the yield clamping force; While the clamping force of the testing machine is controlled to increase, the pulling rate of the testing machine is controlled to decrease at a second target adjustment value.

[0198] In a specific embodiment, after the stress reaches the tensile strength, the material sample enters the necking stage; optionally, in the necking stage, a local area of ​​the material sample begins to neck, and the cross-sectional area of ​​the material sample decreases rapidly.

[0199] Optionally, the intelligent management and control system can determine that the mechanical stage of the material sample is in the necking stage based on the stress-strain curve showing a downward trend according to the received sample test monitoring information.

[0200] In a specific embodiment, when the mechanical stage of the material sample is in the necking stage, the material sample partially necks and the cross-sectional area decreases. Based on the cross-sectional area after necking, the stress increases and the material sample is easy to slide. At this time, the clamping of the control test machine is increased by the second target adjustment value on the basis of the yield clamping force to clamp the material sample and ensure the smooth progress of the mechanical property test. Optionally, the second target adjustment value can be set in combination with the actual application. Specifically, the second target adjustment value can be 1kN. Optionally, while the clamping force of the control test machine is increased, the tension rate of the control test machine is reduced by the second target adjustment value. When the material sample deforms rapidly in the necking stage, it can avoid the excessive tension rate accelerating the fracture of the material sample and improve the accuracy of the mechanical property test. Optionally, the second target adjustment value can be set in combination with the actual application. Specifically, the range of the second target adjustment value can be 0.5mm / min-50mm / min.

[0201] In the above embodiment, the clamping force and pulling rate of the testing machine can be dynamically adjusted according to the sample test monitoring information in combination with an adaptive dynamic programming algorithm. Specifically, the mechanical stage corresponding to the material sample can be determined based on the sample test monitoring information, and the clamping force and pulling rate of the testing machine can be dynamically adjusted based on the mechanical stage. The clamping force and pulling rate of the testing machine can be coordinated and regulated, and the accuracy and timeliness of the clamping force and pulling rate regulation can be improved, thereby avoiding sliding of the material sample and premature damage and fracture, and thus improving the accuracy and reliability of mechanical property testing; and the entire process can be controlled by an intelligent management and control system without the need for frequent manual intervention, thereby realizing the automation of clamping force and pulling rate regulation and the automation of mechanical property testing, shortening the testing cycle, and improving testing efficiency.

[0202] In an optional embodiment, the above method may include: Construct an initial mechanical testing database, which includes basic sample information corresponding to each historical mechanical property test, sample test monitoring information, the clamping force and tension rate of the testing machine corresponding to each mechanical stage, and the clamping force adjustment amount and tension rate adjustment amount of the testing machine corresponding to each mechanical stage; Preprocessing the data in the initial mechanical testing database based on the cut-off function to obtain the target mechanical testing database; According to the clamping force adjustment amount and pulling rate adjustment amount corresponding to each type of material sample in the target mechanical testing database, the clamping force adjustment amount and pulling rate adjustment amount of the next material sample of the same type are optimized.

[0203] In a specific embodiment, after each mechanical property test, the basic information of the sample during each mechanical property test, the sample test monitoring information, the clamping force and tension rate of the test machine corresponding to each mechanical stage, and the clamping force adjustment amount and tension rate adjustment amount of the test machine corresponding to each mechanical stage can be stored and used as samples for optimizing the control of clamping force and tension rate. Optionally, an initial mechanical test database can be constructed to store the above data. As the number of mechanical property tests increases, the data in the initial mechanical test database will continue to increase, thereby continuously optimizing the clamping force adjustment amount and tension rate adjustment amount in the process of clamping force and tension rate control. Optionally, the data in the initial mechanical test database can be preprocessed by a selection function to remove unstable and inaccurate data to obtain target mechanical test data. For example, for material samples of the same model and specification, the relevant data and accurate data detected stably during the mechanical property test can be retained, and the relevant data or abnormal data detected in the mechanical property test can be discarded, thereby improving the reliability and accuracy of subsequent optimization of clamping force and tension rate control. Optionally, the clamping force adjustment amount and pulling rate adjustment amount of the next material sample of the same material type can be optimized according to the clamping force adjustment amount and pulling rate adjustment amount of each material type in the target mechanical detection database. Specifically, the clamping force adjustment amount and pulling rate adjustment amount of the next material sample corresponding to the same material type can be optimized according to the average clamping force adjustment amount and pulling rate adjustment amount of each material type in the target mechanical detection database; optionally, the clamping force adjustment amount and pulling rate adjustment amount of the next material sample of the same model and specification can be optimized according to the clamping force adjustment amount and pulling rate adjustment amount of each material sample of each model and specification in the target mechanical detection database; specifically, the clamping force adjustment amount and pulling rate adjustment amount of the next material sample corresponding to the same model and specification can be optimized according to the average clamping force adjustment amount and pulling rate adjustment amount of each material sample of each model and specification in the target mechanical detection database. In this way, the clamping force and pulling rate control can be continuously optimized, and the accuracy and efficiency of the clamping force and pulling rate control can be further improved, thereby further ensuring the stability of the mechanical properties testing process and the accuracy of the data.

[0204] It can be seen from the technical solutions provided in the above embodiments of this specification that this specification generates an initial clamping force by obtaining the basic sample information of the material sample, and can intelligently and accurately match the corresponding initial clamping force according to the material's own characteristics to clamp the material sample, thereby avoiding excessive clamping force to damage the material sample, and avoiding excessive clamping to cause the material sample to slide; then the testing machine can be controlled to perform mechanical property testing on the material sample with the initial clamping force and initial tensile rate, and the sample test monitoring information of the material sample sent by the testing machine can be received. The changes of the material sample during the test process can be observed in real time, and then the clamping force and tensile rate of the testing machine can be dynamically adjusted based on the sample test monitoring information and combined with an adaptive dynamic programming algorithm. The clamping force and tensile efficiency can be effectively and intelligently coordinated to avoid sliding or premature damage of the material sample, so that the testing machine can complete the mechanical property testing of the material sample and generate mechanical property test results, thereby improving the efficiency, accuracy and reliability of the mechanical property testing.

[0205] The embodiment of the present invention also provides a control system for clamping force and pulling force rate. Figure 26 Schematic diagram of a clamping force and pulling force rate control system provided by an embodiment of the present invention; Figure 26 As shown, the above system may include: The information acquisition module 410 is used to obtain basic sample information of the material sample; A pre-clamping force generating module 420 is used to generate a pre-clamping force based on the basic information of the sample; an information receiving module 430 for controlling the testing machine to perform mechanical property testing on the material sample using a pre-clamping force and an initial tension rate, and receiving sample test monitoring information of the material sample sent by the testing machine; The clamping force and pulling rate adjustment module 440 is used to dynamically adjust the clamping force and pulling rate of the testing machine based on the sample test monitoring information and in combination with an adaptive dynamic programming algorithm, so that the testing machine can complete the mechanical property test of the material sample and generate mechanical property test results.

[0206] In an optional embodiment, the basic sample information includes sample identification information and sample size information, and the pre-clamping force generating module 420 is specifically configured to: determining the mechanical properties of the material sample based on the sample identification information; Determining geometric cross-sectional information of the material sample based on the sample size information; The pre-clamping force is generated based on the mechanical characteristics, the geometric cross-section information and the preset preferred multiple.

[0207] In an optional embodiment, the clamping force and pulling force rate adjustment module 440 includes: a mechanical stage determination unit, configured to determine the mechanical stage corresponding to the material sample based on the sample test monitoring information; The clamping force and pulling rate adjustment unit is used to dynamically adjust the clamping force and pulling rate of the testing machine based on the mechanical stage.

[0208] In an optional embodiment, the clamping force and pulling force rate adjustment unit is specifically used to: When the mechanical stage is in the elastic stage, controlling the clamping force of the testing machine to maintain the pre-clamping force; While controlling the clamping force of the testing machine to maintain the pre-clamping force, the tension rate of the testing machine is controlled to maintain the initial tension rate, so that the stress and strain of the material sample are in a linear relationship.

[0209] In an optional embodiment, the clamping force and pulling force rate adjustment unit is specifically used to: When the mechanical stage is in the yield stage, controlling the clamping force of the testing machine to increase by a first target adjustment value based on the pre-clamping force so that the material sample does not slide, thereby obtaining a yield clamping force; While controlling the clamping force of the testing machine to increase, the pulling rate of the testing machine is controlled to decrease to a target pulling rate.

[0210] In an optional embodiment, the clamping force and pulling force rate adjustment unit is specifically used to: When the mechanical stage is in the strengthening stage, controlling the clamping force of the testing machine to maintain the yield clamping force; While controlling the clamping force of the testing machine to maintain the yield clamping force, the tension rate of the testing machine is controlled to increase at a first target adjustment value.

[0211] In an optional embodiment, the clamping force and pulling force rate adjustment unit is specifically used to: When the mechanical stage is in the necking stage, controlling the clamping force of the testing machine to increase by a second target adjustment value based on the yield clamping force; While controlling the clamping force of the testing machine to increase, the pulling rate of the testing machine is controlled to decrease at a second target adjustment value.

[0212] In an optional embodiment, the system includes: an optimization module for Constructing an initial mechanical testing database, the initial mechanical testing database including basic information of the sample corresponding to each historical mechanical property test, sample test monitoring information, the clamping force and tension rate of the testing machine corresponding to each mechanical stage, and the clamping force adjustment amount and tension rate adjustment amount of the testing machine corresponding to each mechanical stage; Preprocessing the data in the initial mechanical detection database based on a cut-off function to obtain a target mechanical detection database; According to the clamping force adjustment amount and the pulling rate adjustment amount corresponding to each type of material sample in the target mechanical testing database, the clamping force adjustment amount and the pulling rate adjustment amount of the next material sample of the same type are optimized.

[0213] Regarding the clamping force and pulling rate control system device in the above embodiment, the specific manner in which each module performs operations has been described in detail in the embodiment of the method and will not be elaborated here.

[0214] An embodiment of the present invention also provides an electronic device, comprising: a processor and a memory, wherein the memory stores at least one instruction, at least one program, a code set or an instruction set, and the at least one instruction, the at least one program, the code set or the instruction set is loaded and executed by the processor to implement a method for controlling the clamping force and the pulling rate as described in any one of the method embodiments.

[0215] An embodiment of the present invention also provides a computer storage medium, which can be set in a server to store at least one instruction, at least one program, code set or instruction set for implementing the method embodiment. The at least one instruction, the at least one program, the code set or instruction set is loaded and executed by the processor to implement the method for controlling the clamping force and pulling rate as described in any one of the method embodiments.

[0216] like Figure 27 As shown, the sample flow module includes: An information acquisition unit, used to acquire sample element information, including the sample initial number and sample type; Incoming sample rack, used to store samples in partitions according to their element information and size information; The sample transport unit includes a position for placing samples to be tested and a position for placing samples after testing, and is used to transport samples to the testing area and the storage module for samples after testing; the testing area is provided with several testing machines; A robotic arm, used to grab samples; A control unit is connected to the information acquisition unit, the size measurement unit, the sample transfer unit and the robotic arm; the control unit determines the placement position of the sample in the incoming sample rack, the placement position of the sample to be tested and the placement position of the post-test sample corresponding to the sample, and the testing machine that matches the sample based on the sample information; the control unit judges whether the placement position of the sample in the incoming sample rack is correct and whether the testing machine is matched based on the measured size of the sample, and updates the placement position of the sample in the incoming sample rack and the testing machine that matches the sample based on the judgment result; the control unit sends a grabbing instruction to the robotic arm to grab the sample; the control unit sends a transfer instruction to the sample transfer unit to transfer the sample to the detection area or the post-test sample storage module.

[0217] like Figure 27 As shown, the sample flow module includes: The information acquisition unit is used to acquire sample information, which includes the sample initial number, sample type and sample initial size.

[0218] Incoming sample racks are used to store samples in partitions according to sample type and size.

[0219] The dimension measuring unit is used to measure the sample to obtain the measured dimension of the sample.

[0220] The sample transport unit includes a position for placing samples to be tested and a position for placing samples after testing, and is used to transport samples to the testing area and the post-test sample library; a number of testing machines are provided in the testing area.

[0221] Robotic arm, used to grab samples.

[0222] A control unit is connected to the information acquisition unit, the size measurement unit, the sample transfer unit and the robotic arm; the control unit determines the placement position of the sample in the sample rack, the placement position of the sample to be tested and the placement position of the post-test sample corresponding to the sample, and the testing machine that matches the sample based on the sample information; the control unit judges whether the placement position of the sample in the sample rack is correct and whether the testing machine is matched based on the measured size of the sample, and updates the placement position of the sample in the sample rack and the testing machine that matches the sample based on the judgment result; the control unit sends a grabbing instruction to the robotic arm to grab the sample; the control unit sends a transfer instruction to the sample transfer unit to transfer the sample to the detection area or the post-test sample library.

[0223] In this embodiment, the sample rack is provided with a plurality of placement positions, each placement position corresponds to a number; each placement position for the sample to be tested, the placement position for the sample after testing and the testing machine corresponds to a number.

[0224] In this embodiment, metal samples are used as samples, and the sample types include cross-sectioned tubes, plates, and round bars.

[0225] Based on the above sample circulation module, this embodiment further provides a sample circulation positioning method, including: Step 1: Obtain sample information, including the sample initial number, sample type and sample initial size.

[0226] The initial size of the sample includes the length, thickness and diameter of the sample. Different types of samples involve different size data.

[0227] Step 2: Determine the placement position of the sample in the incoming sample rack, the placement position of the sample to be tested and the placement position of the sample after testing corresponding to the sample, and the testing machine that matches the sample according to the sample information.

[0228] The sample rack is divided into zones according to the sample type and the length, thickness and diameter of the sample. Each zone of the sample type corresponds to the size range of the sample type, and the correct placement of the sample is determined based on the size range.

[0229] Determine the storage area of ​​the sample on the sample rack based on the sample type and the length, thickness and diameter of the sample, select a placement position without a sample in the storage area and obtain the placement position number, and bind the placement position number to the initial sample number.

[0230] According to the sample type, a placement position for the sample to be tested and a placement position for the sample after testing are allocated to the sample, and the numbers of the placement position for the sample to be tested and the placement position for the sample after testing are bound to the initial number of the sample.

[0231] Determine the testing machine that matches the sample based on the sample type and the sample's length, thickness, and diameter, and bind the testing machine's number to the sample's initial number. Step 3: Obtain the sample measurement size, and determine whether the sample is placed correctly in the sample rack and whether the test machine is matched based on the sample measurement size. Update the sample placement position in the sample rack and the test machine that matches the sample based on the judgment result.

[0232] If the sample measurement size does not match the determined placement position of the sample in the sample rack, the placement position of the sample in the sample rack is re-determined according to the sample measurement size, and the number of the re-determined placement position is bound to the initial number of the sample; If the sample measurement size does not match the determined testing machine, a testing machine that matches the sample is re-determined based on the sample measurement size, and the number of the re-determined testing machine is bound to the initial number of the sample.

[0233] In this embodiment, different types of samples require different dimensional data to be measured. For example, for plates, you need to measure length and thickness, while for round bars, you need to measure length, diameter, and weight.

[0234] Step 4: Send a grabbing instruction to the robot arm to grab the sample on the placement position of the sample rack and move it to the corresponding placement position of the sample to be tested.

[0235] After determining the placement position of the sample in the sample rack, the operator or the robotic arm places the sample on the placement position.

[0236] Step 5: Send a transfer instruction to the sample transfer unit to transfer the sample to the detection area.

[0237] Step 6: Send a grabbing instruction to the robotic arm to grab the sample to a matching testing machine for testing.

[0238] Step 7: Send a grabbing instruction to the robotic arm to grab the tested sample and place it at the tested sample placement position.

[0239] Step 8: Send a transfer instruction to the sample transfer unit to transfer the tested sample to the post-test sample library.

[0240] Step nine: Send a grabbing instruction to the robotic arm to grab the tested sample and store it in the tested sample library, and bind the initial sample number of the tested sample to the storage location of the tested sample library.

[0241] Before binding the initial sample number of the tested sample with the storage location of the tested sample library, the initial sample number is untied from the numbers of the placement location on the incoming sample rack, the placement location of the sample to be tested, and the placement location of the tested sample.

[0242] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware. Furthermore, the present application may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to magnetic disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0243] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 a process or multiple processes and / or boxes Figure 1A device that provides the functions specified in a block or multiple blocks.

[0244] These computer program instructions may also be stored in a computer readable memory that can direct a computer or other programmable data processing device to work in a specific manner, so that the instructions stored in the computer readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 a process or multiple processes and / or boxes Figure 1 The function specified in one or more boxes.

[0245] According to the standard requirements of the metal material mechanical testing method, the sample needs to be centered before the automatic testing of the metal material tensile specimen to avoid bending stress or eccentric load and ensure the accuracy of the test results. At present, the laboratory mainly uses visual and manual adjustment, which is simple to operate and low in cost, but has low accuracy and poor repeatability, which directly affects the mechanical property evaluation of the material and the reliability of the test. Therefore, to solve the above problems, this embodiment proposes a sample grabbing and centering module, such as Figures 28 to 30 The sample grabbing and centering module includes a platform 3.1, a distance detection unit 3.2 and a sample placement position 3.3 provided on the platform 3.1; The distance detection unit 3.2 includes a first photoelectric sensor 3.2.1, which is used to detect the distance between the two ends of the sample and the position where the robot grabs the sample; The sample placement position 3.3 is provided with a second photoelectric sensor 3.3.1 for sensing whether a sample is placed.

[0246] like Figures 28-30 As shown, the sample grabbing and centering module includes a platform 3.1 and a distance detection unit 3.2 and a sample placement position 3.3 arranged on the platform 3.1.

[0247] The distance detection unit 3.2 includes a first photoelectric sensor 3.2.1, which is used to detect the distance between the two ends of the sample and the position where the robot grabs the sample; The sample placement position 3.3 is provided with a second photoelectric sensor 3.3.1 for sensing whether a sample is placed.

[0248] The first photoelectric sensor 3.2.1 and the second photoelectric sensor 3.3.1 are both connected to the terminal device for communication, and send information on the distances between the two ends of the sample and the location where the robot grabs the sample and whether there is a sample placed on the sample placement position 3.3 to the terminal device.

[0249] Working principle: The robot grabs the sample, places it vertically, and moves it below the first photoelectric sensor 3.2.1. The robot grabs the sample and moves upward until one end of the sample touches the first photoelectric sensor 3.2.1. The first photoelectric sensor 3.2.1 records the distance X1 from one end of the sample to the robot's grasping point. The robot arm drives the sample to rotate 180 degrees and grabs the sample again to the first photoelectric sensor 3.2.1 until the other end of the sample touches the first photoelectric sensor 3.2.1. The first photoelectric sensor 3.2.1 records the distance X2 from the other end of the sample to the robot's grasping point. The distance from both ends of the sample to the point where the robot grasps the sample is sent to the terminal device. The terminal device calculates the distance from the midpoint of the sample to the current grasping point as X1-X2 / 2. The robot adjusts the grasping point position, grasps the midpoint of the sample, and achieves centered grasping.

[0250] This embodiment provides an implementation method of each structure based on the above-mentioned sample grabbing and centering module.

[0251] like Figures 28-30 As shown, the platform 3.1 further includes a sample rack 3.4, which is provided at one end of the platform 3.1 and is used to store samples to be grabbed.

[0252] The distance detection unit 3.2 further comprises a first sensor bracket 3.2.2, which is disposed on one side of the sample holder 3.4. The first photoelectric sensor 3.2.1 is fixed to one end of the first sensor bracket 3.2.2.

[0253] The sample placement positions 3.3 are provided in a plurality. Each sample placement position 3.3 includes V-shaped blocks 3.3.2 disposed opposite each other, for placing samples after distance detection. The second photoelectric sensor 3.3.1 is fixed to the opposite side of the V-shaped block 3.3.2 via a second sensor bracket 3.3.3.

[0254] like Figures 31 to 34 As shown, this embodiment provides a post-inspection sample storage module, which may also include a rectangular parallelepiped frame 4.1 and a workpiece installation station 4.2, wherein: Two opposite sides of the four sides of the rectangular parallelepiped frame 4.1 are open, and the other two opposite sides are mounted with mounting panels 4.3; The workpiece installation stations 4.2 are arranged in groups of two, and multiple groups are provided. The two workpiece installation stations 4.2 in each group are symmetrically spaced, and the multiple groups of workpiece installation stations 4.2 can be detachably installed on the installation panel 4.3 along the height direction of the installation panel 4.3.

[0255] In the above technical solution, by installing a mounting panel 4.3 with a workpiece mounting station 4.2 on two opposite sides of the rectangular frame 4.1, the detachable connection between the workpiece mounting station 4.2 and the mounting panel 4.3 makes it possible to adjust the installation quantity and installation spacing of the workpiece mounting station 4.2 to meet the placement requirements of workpieces of different shapes and specifications, and the other two opposite sides of the rectangular frame 1 are open, so that the robotic arm can grasp the sample from these two opposite sides without hindrance.

[0256] like Figures 31 to 34 As shown, in a post-test sample storage module provided in this embodiment: In order to achieve a detachable connection between the mounting panel 4.3 and the workpiece mounting station 4.2, the mounting panel 4.3 is evenly provided with a plurality of mounting holes 4.301 along the height direction. The mounting panel 4.3 is detachably connected to the workpiece mounting station 4.2 through the mounting holes 4.301. In this embodiment, the number of mounting holes 4.301 on a mounting panel 4.3 is set to ten, and a maximum of ten workpiece mounting stations 4.2 can be installed on the mounting panel 4.3, but it is not limited to this, and other numbers can also be used, which can be adjusted according to actual needs.

[0257] The workpiece mounting station 4.2 includes a flat plate support 4.201 and an in-place sensor 4.202, wherein the side of the flat plate support 4.201 is fixed to the mounting hole 4.301 by bolts, and the in-place sensor 4.202 is installed at the bottom of the flat plate support 4.201. The in-place sensor 4.202 can detect whether a sample is placed on the flat plate support 4.201, thereby facilitating the placement of the sample.

[0258] To realize the installation and detection of the in-place sensor 4.202, as shown in FIG. Figure 2 and Figure 3 As shown, it also includes a detection hole 4.203 and a sensor bracket 4.204. The in-place sensor 4.202 is installed on the flat support 4.201 through the sensor bracket 4.204. The detection hole 4.203 is opened on the flat support 4.201, and the detection hole 4.203 is located on the top of the in-place sensor 4.202. In this embodiment, the in-place sensor 4.202 adopts a reflective photoelectric sensor. The in-place sensor 4.202 is installed on the bottom side of the flat support 4.201 through the sensor bracket 4.204. The emitter and the receiver in the reflective photoelectric sensor are located on the same side. The light emitted by the emitter passes through the detection hole 4.203 and is irradiated to the sample surface and then reflected back and received by the receiver, thereby realizing in-place detection.

[0259] To support the workpiece, Figure 33As shown, a plurality of support positions 4.205 are further provided on the support surface of the flat plate support 4.201, and the support positions 4.205 are arranged in grooves. Since workpieces of different shapes and specifications will be placed on the workpiece installation station 4.2, such as steel bars, round bars or round tubes, the groove shape of the support position 4.205 can be set according to actual placement requirements to meet the placement requirements of different workpieces; and in this embodiment, the number of support positions 4.205 on the flat plate support 4.201 is three, so that three specimens can be placed on each layer of the workpiece installation station 4.2.

[0260] In order to ensure the in-place detection effect, a plurality of in-place sensors 4.202 are provided, and the plurality of in-place sensors 4.202 correspond to the plurality of support positions 4.205 in a one-to-one manner.

[0261] In order to ensure the stability of the overall support of the material rack, it also includes support feet 4.4, which are installed on the bottom side of the rectangular frame 4.1.

[0262] In this embodiment, in order to meet the placement requirements of the sample, Figure 34 As shown, there are ten groups of workpiece installation stations 4.2, and five groups of rectangular frames 4.1. The five groups of rectangular frames 4.1 are symmetrically distributed in a fan shape, and the adjacent surfaces of the five groups of rectangular frames 4.1 are the surfaces on which the installation panel 4.3 is installed. The only difference between the rectangular frames 4.1 in each group is the shape of the groove at the support position 4.205, so that different rectangular frames 4.1 can place different specimens. In this embodiment, two groups of rectangular frames 4.1 are arranged to place round rod specimens, two groups of rectangular frames 4.1 are arranged to place round tube specimens, and the other group of rectangular frames 4.1 is arranged to place steel bar specimens. 30 steel bar specimens, 60 round rod specimens and 60 round tube specimens can be placed at the same time, for a total of 150 specimens. The multiple rectangular frames 4.1 are symmetrically distributed in a fan shape, and the adjacent surfaces are all installation panels 4.3, which also facilitates the taking and placing of specimens.

[0263] The post-inspection sample storage module provided in this embodiment has an overall structure constructed of aluminum alloy, which is a standardized item to avoid processing difficulties.

[0264] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A mechanical properties testing device, characterized in that: include: Detection and control module; The sample preprocessing module is provided with a loading and positioning unit for obtaining sample element information and a size measurement unit for obtaining sample size information. The sample preprocessing module is configured to: preprocess the sample according to the preprocessing instructions sent by the detection and control module, and obtain the sample element information and sample size information of the processed sample and the processed sample: The sample experiment module is configured to: match the testing machine based on the sample element information and sample size information of the processed sample, and perform mechanical testing on the processed sample according to the test instructions sent by the test control module to generate mechanical property test results; wherein the mechanical testing includes tensile testing, impact testing, and hardness testing. When performing the tensile test, the testing machine is controlled to perform the tensile test on the sample according to the preset clamping force and tension rate control method; Post-test sample storage module, used to store samples that have completed mechanical property testing; The sample transfer module is configured to: according to the transfer instructions sent by the detection control module, grab the target sample to be tested to the loading and positioning unit or the size measurement unit, and / or grab the processed sample to the matching testing machine, and / or transport the sample that has completed the mechanical property test to the post-fracture sample placement unit; and, The sample grabbing and centering module is configured to: center the sample before performing a tensile test on the sample.

2. The mechanical properties testing device according to claim 1, characterized in that: The sample preprocessing module further includes: a laser marking device, a sorting manipulator, a grabbing fixture table and a sample turnover platform; the preprocessing instructions include a marking instruction, a measurement instruction, a sorting instruction, a first grabbing instruction and a second grabbing instruction; The laser marking device is used to mark the sample according to the marking instruction sent by the detection and control module to obtain a marked sample; The size measurement unit is used to measure the size of the marked sample according to the measurement instruction sent by the detection control module to obtain sample size information of the processed sample and the unprocessed sample; The grabbing fixture table is used to place grabbing fixtures corresponding to samples of different types of materials; The sorting robot is used to match the grabbing fixture corresponding to the sample classification information on the grabbing fixture table according to the sample classification information in the sorting instruction sent by the detection and control module, and sort the samples on the transport pallet to the laser marking device in sequence according to the sample classification information; is used to grab the marked samples from the laser marking device to the size measurement unit according to the first grabbing instruction sent by the detection and control module; and is used to grab the processed samples from the size measurement unit to the transport pallet according to the preset sample tray position information in the second grabbing instruction sent by the detection and control module.

3. The mechanical properties testing device according to claim 1, characterized in that: The loading and positioning unit includes: An information acquisition unit, configured to acquire initial information of a sample to be loaded, the initial information including sample type, sample specification, and initial number; The sample positioning rack is used to store samples. It includes several columns, each column corresponds to a sample type, and different rows in the same column correspond to different sample specifications. Each row includes several sample loading positions, and each sample loading position corresponds to a different number. A pressure sensor is provided at the bottom of each sample loading position of the sample positioning rack, and is used to detect pressure data of the sample loading position; The scanning component is located above each sample loading position and is used to collect image information of the sample and identify the sample type to obtain sample element information; The first control unit is connected to the information acquisition unit, the pressure sensor, the scanning component and the robotic arm for grabbing samples; the first control unit receives the initial information of the sample to be loaded, determines the corresponding column and corresponding row of the sample to be loaded in the sample positioning rack according to the sample type and sample specification, and generates the loading number of the sample based on the initial number and the number of the loading position; the control unit receives the pressure data of the pressure sensor, and compares it with the gravity range of the sample specification corresponding to the preset loading position. If the pressure data is greater than the gravity range, it is determined that the sample is placed incorrectly and a warning signal is issued; the control unit receives the sample type identified by the scanning component, and if it is inconsistent with the sample type corresponding to the loading position, a warning signal is issued and the robotic arm is locked; if there is no sample placement error, the first control unit sends the loading number and grabbing instruction of the sample to be grabbed to the robotic arm, and the robotic arm grabs the corresponding sample.

4. The mechanical properties testing device according to claim 1, characterized in that: The size measuring unit comprises: A plate sample size measuring device comprises a displacement sensor (1.1), a clamping assembly (1.2) and a lifting assembly (1.3), wherein: The displacement sensors (1.1) are arranged on both sides of the sample (1.4) in the width direction and the thickness direction; The clamping assembly (1.2) is arranged on both sides of the thickness direction of the specimen (1.4); the measuring element of the displacement sensor (1.1) in one direction is located on the clamping surface of the clamping assembly (1.2); as the clamping surface approaches or moves away from the specimen (1.4), the measuring element of the displacement sensor (1.1) in the other direction is driven by the telescopic assembly to approach or move away from the specimen (1.4); The lifting component (1.3) is arranged in the length direction of the sample (1.4); a placement position for placing the sample (1.4) is provided on the protruding end of the lifting component (1.3); and the measurement point position of the sample (1.4) is adjusted by lifting the sample (1.4); and / or, A device for measuring the size of a metal round bar sample, comprising: Box (2.1); A support block (2.3) is provided on the top of the box (2.1) and is used for placing a sample to be tested (2.7); A guide rail (2.4) is provided on one side of the support block (2.3); A moving component (2.5) is provided on one side of the support block (2.3) and is slidably connected to the guide rail (2.4); the moving component (2.5) is connected to the control system and moves along the length direction of the sample to be tested (2.7) after receiving a movement signal from the control system; A diameter measuring sensor (2.6) is mounted on the moving component (2.5); the diameter measuring sensor (2.6) is connected to the control system and measures the distance to the sample to be measured (2.7) after receiving a measurement signal from the control system.

5. The mechanical properties testing device according to claim 1, characterized in that: Match the testing machine based on sample element information and sample size information, including: Obtaining sample size information and sample element information of the sample; Determining the predicted tensile strength of the sample based on the sample element information and the tensile strength prediction model; A target testing machine matching the sample is determined based on the sample size information and the predicted tensile strength.

6. The mechanical properties testing device according to claim 1, characterized in that: Match the testing machine based on sample element information and sample size information, including: Perform preliminary classification of the test samples according to the sample element information to obtain preliminary classification results; Correcting the preliminary classification result based on the sample size information to obtain a corrected classification result; Determine a testing machine allocation plan for each test sample based on the corrected classification results and sample size information; Based on the test machine allocation plan for each test sample, multiple test machines are started to test the test samples and the test data of multiple test machines are obtained; Dynamically adjust the testing machine allocation plan based on the inspection data of multiple testing machines.

7. The mechanical properties testing device according to claim 5 or 6, characterized in that: The method for controlling the clamping force and the pulling rate includes: Obtain basic sample information of material samples; generating a pre-clamping force based on the basic information of the sample; controlling the testing machine to perform mechanical property testing on the material sample at a pre-clamping force and an initial tension rate, and receiving sample test monitoring information of the material sample sent by the testing machine; Based on the sample test monitoring information and combined with an adaptive dynamic programming algorithm, the clamping force and tension rate of the testing machine are dynamically adjusted so that the testing machine can complete the mechanical property test of the material sample and generate mechanical property test results.

8. The mechanical properties testing device according to claim 1, characterized in that: The sample circulation module comprises: An information acquisition unit, used to acquire sample element information, including the sample initial number and sample type; Incoming sample rack, used to store samples in partitions according to their element information and size information; The sample transport unit includes a position for placing samples to be tested and a position for placing samples after testing, and is used to transport samples to the testing area and the storage module for samples after testing; the testing area is provided with several testing machines; A robotic arm, used to grab samples; The second control unit is connected to the information acquisition unit, the size measurement unit, the sample transfer unit and the robotic arm; the second control unit determines the placement position of the sample in the incoming sample rack, the placement position of the sample to be tested and the placement position of the post-test sample corresponding to the sample, and the testing machine matching the sample according to the sample information; the second control unit judges whether the placement position of the sample in the incoming sample rack is correct and whether the testing machine is matched according to the measured size of the sample, and updates the placement position of the sample in the incoming sample rack and the testing machine matching the sample according to the judgment result; the second control unit sends a grabbing instruction to the robotic arm to grab the sample; the control unit sends a transfer instruction to the sample transfer unit to transfer the sample to the detection area or the post-test sample storage module.

9. The mechanical properties testing device according to claim 1, characterized in that: The sample grabbing and centering module comprises a platform (3.1), a distance detection unit (3.2) and a sample placement position (3.3) provided on the platform (3.1); The distance detection unit (3.2) comprises a first photoelectric sensor (3.2.1), and the first photoelectric sensor (3.2.1) is used to detect the distance from both ends of the sample to the position where the robot grabs the sample; The sample placement position (3.3) is provided with a second photoelectric sensor (3.3.1) for sensing whether a sample is placed.

10. The mechanical properties testing device according to claim 1, characterized in that: The post-inspection sample storage module comprises a rectangular parallelepiped frame (4.1) and a workpiece installation station (4.2), wherein: Two opposite sides of the four sides of the rectangular parallelepiped frame (4.1) are open, and mounting panels (4.3) are installed on the other two opposite sides; The workpiece installation stations (4.2) are arranged in groups of two, and multiple groups are provided. The two workpiece installation stations (4.2) in each group are symmetrically spaced, and the multiple groups of workpiece installation stations (4.2) are detachably installed on the installation panel (4.3) along the height direction of the installation panel (4.3).

Images