A weight mass and magnetism integrated detection method, device and medium
By using a six-axis robot and a hydraulic device in the same system to perform mass and magnetic detection on weights, the problem of inaccurate detection of large weights is solved, achieving efficient and accurate detection results and reducing equipment damage.
Patent Information
- Application Number
- CN202310642904.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-01
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2043-06-01
AI Technical Summary
Existing technologies cannot perform mass and magnetic testing on large weights using the same system, resulting in inaccurate measurement results, and large weights are easily damaged during handling.
A six-axis robot controls a Gaussian probe to perform mass and magnetic detection of weights within the same system. A hydraulic device is used to load and unload the weights, and the center coordinates are obtained by scanning the weight's external dimensions for precise detection.
It improves the accuracy and efficiency of weight detection, reduces equipment power consumption, prevents damage to weights during transportation, and ensures the accuracy of measurement results.
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Figure CN116678488B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of weight calibration technology, and further to a method, apparatus and medium for integrated detection of weight mass and magnetism. Background Technology
[0002] Standard weights are weights used as reference weights, for example, in calibration institutions or by relevant certified companies, to verify scales, especially precision scales, or to calibrate other weights of lower accuracy classes.
[0003] Currently, most domestic weight testing devices can only perform weight mass testing or weight magnetic property testing, and cannot perform integrated testing of weight mass and magnetic property in a single system. Especially for large weights weighing 100-1000 kg, there are no domestic methods or devices for magnetic property testing, making it impossible to test the magnetism of such large weights. The inability to perform magnetic property testing on large weights, while only testing their mass, introduces many errors in practical applications, resulting in inaccurate measurement results and causing significant inconvenience to users. Furthermore, improper handling during transport can easily deform the weights due to impacts with other objects, affecting not only the testing process but also the subsequent use of the weights. Summary of the Invention
[0004] To address the aforementioned technical problems, this invention provides a method, apparatus, and medium for integrated detection of the mass and magnetism of weights.
[0005] Specifically, the technical solution of the present invention is as follows:
[0006] A method for integrated detection of the mass and magnetism of a weight, comprising the following steps:
[0007] Receive the preload command and execute the loading and unloading operations of the first calibration weight on the mass comparator;
[0008] When performing magnetic measurement on the weight to be tested, the weight to be tested is placed on the support platform;
[0009] Initiate a scan of the weight's external dimensions to obtain the center coordinates of each facet of the weight to be tested;
[0010] The Gaussian probe, after being zeroed, is controlled by a six-axis robot to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0011] When the magnetic measurement value is qualified, the weight to be tested is controlled to perform the loading and unloading operation on the mass comparator, and the mass detection value of the weight to be tested is read.
[0012] The weights are placed on a support platform, and their magnetic properties are tested using a gaussmeter probe on a six-axis robot. Once the magnetic test is passed, the weights are automatically loaded and unloaded on a mass comparator, completing the mass inspection. This integrated system for weight mass and magnetic detection improves the accuracy of weight inspection, reduces measurement time, and increases work efficiency.
[0013] In some embodiments, after reading the center coordinates and magnetic measurement values of each surface before the magnetic measurement value is deemed acceptable, the method includes the following steps:
[0014] Determine whether the magnetic detection value is qualified;
[0015] If the magnetic detection value is unqualified, the magnetic detection and quality detection test of the weight to be tested shall be terminated, and the test results shall be fed back.
[0016] The system determines whether the magnetic detection value is qualified. If it is not qualified, the test ends; if it is qualified, the weight quality test continues, which further improves work efficiency and reduces equipment power consumption.
[0017] In some embodiments, before the Gaussian probe, after being zeroed by a six-axis robot, is sequentially positioned to the center coordinates of each face, the following steps are included:
[0018] Initiate probe zeroing and control the six-axis robot to move the Gaussian probe to the zeroing device for zeroing.
[0019] Before performing magnetic measurements, a six-axis robot is used to move the gaussmeter probe to a zeroing device for zeroing, which further improves measurement accuracy and reduces errors.
[0020] In some embodiments, receiving the preloading instruction and performing the loading and unloading operations of the first calibration weight on the mass comparator specifically includes the following steps:
[0021] The hydraulic device is controlled to move the support platform downwards by a first preset distance, so that the first calibration weight is moved from the support platform to the weighing pan of the mass comparator, thus completing the loading.
[0022] The hydraulic device is controlled to move the bearing platform upward by a second preset distance, so that the first calibration weight is moved from the weighing pan of the mass comparator to the bearing platform, thereby completing the unloading;
[0023] The supporting platform engages with the weighing pan of the mass comparator by moving up and down.
[0024] In some embodiments, before determining whether the magnetic detection value is qualified, after reading the center coordinates and magnetic measurement values of each surface, the process includes the following steps:
[0025] Set the preset number of load and unload operations;
[0026] By setting the number of times the weight is loaded and unloaded during testing by the mass comparator, multiple mass data points of the weight can be measured, reducing measurement errors and further improving measurement accuracy.
[0027] In some implementations, prior to receiving the preload command, a quality comparator calibration is also included, specifically comprising the following steps:
[0028] The second calibration weight is controlled to perform the loading and unloading operations on the mass comparator to obtain the mass detection value of the second calibration weight;
[0029] Based on the comparison results between the quality test value and the calibration specification of the quality comparator, it is determined whether the quality comparator is qualified;
[0030] If the mass comparator is qualified, execute the pre-loading instruction and perform the loading and unloading operations of the first calibration weight on the mass comparator.
[0031] If the quality comparator fails, it will display a failure message.
[0032] By performing self-testing on the mass comparator, the calibration weights are loaded and unloaded multiple times on the mass comparator, which can promptly identify any problems with the mass comparator, improve measurement accuracy, and reduce equipment power consumption.
[0033] In some embodiments, the method of using a six-axis robot to control the zeroed Gaussian probe to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface specifically includes the following steps:
[0034] Upon receiving the start detection command, the hydraulic device is controlled to vertically lift the weight to be tested a third preset distance.
[0035] Determine whether a feedback signal indicating a vertical lift of a third preset distance has been received;
[0036] Upon receiving the feedback signal, the gaussmeter probe is controlled to sequentially locate the center coordinates to obtain the center coordinate position and magnetic measurement value of each face of the weight to be tested.
[0037] In addition, the present invention also provides a weight mass and magnetic properties integrated detection device, comprising:
[0038] The execution unit is used to receive the preload command and perform the loading and unloading operations of the first calibration weight on the mass comparator.
[0039] The placement unit is used to place the weight to be tested onto the support platform when performing magnetic measurement of the weight to be tested;
[0040] The first acquisition unit is used to initiate a scanning of the external dimensions of the weight and acquire the center coordinates of each face of the weight to be tested.
[0041] The first reading unit is used to control the zeroed Gaussian probe via a six-axis robot to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0042] The second reading unit is used to control the loading and unloading of the weight to be tested on the mass comparator when the magnetic measurement value is qualified, and to read the mass detection value of the weight to be tested.
[0043] In some implementations, it also includes:
[0044] The first judgment unit is used to determine whether the magnetic detection value is qualified. If the magnetic detection value is not qualified, the magnetic detection and quality detection test of the weight to be tested is terminated, and the test result is fed back to the inspector.
[0045] The zeroing unit is used to initiate probe zeroing and control the six-axis robot to move the Gaussian probe to the zeroing device for zeroing.
[0046] The setting unit is used to set the preset number of loading and unloading operations.
[0047] In some implementations, it also includes:
[0048] The second acquisition unit is used to start the mass comparator calibration, control the second calibration weight to perform the loading and unloading operations on the mass comparator, and acquire the mass detection value of the second calibration weight.
[0049] The second judgment unit is used to determine whether the quality comparator is qualified based on the comparison result between the quality detection value and the calibration specification of the quality comparator;
[0050] The display unit is used to display non-compliance information if the quality comparator fails.
[0051] In some embodiments, the first reading unit includes:
[0052] The control module is used to receive the start detection command and control the hydraulic device to vertically lift the weight to be tested a third preset distance.
[0053] The judgment module is used to determine whether the feedback signal of the vertical lifting third preset distance has been received;
[0054] The acquisition module is used to control the gaussmeter probe to sequentially locate the center coordinates when it receives the feedback signal, and to acquire the center coordinate position and magnetic measurement value of each face of the weight to be tested.
[0055] The present invention also provides a computer medium having a computer program stored thereon, wherein when the program is executed, it implements the above-described method for integrated detection of the mass and magnetism of weights.
[0056] Compared with the prior art, the present invention has at least one of the following beneficial effects:
[0057] 1. The weight to be tested is placed on a support platform. The center coordinates of each face of the weight are obtained by scanning its external dimensions. A six-axis robot controls a gaussmeter probe to sequentially locate the center coordinates of each face of the weight and read the magnetic measurement value. Once the magnetic measurement value is qualified, a hydraulic device automatically controls the weight to undergo multiple loading and unloading cycles on a mass comparator, completing the quality inspection process. Completing both weight quality and magnetic testing within the same system improves work efficiency and measurement accuracy while reducing equipment power consumption. This avoids problems in existing technologies where magnetic testing is performed after weight quality testing, potentially causing damage to the weight during transportation.
[0058] 2. The calibration weights corresponding to the maximum load of the mass comparator undergo multiple loading and unloading processes on the mass comparator to complete the pre-loading process. Multiple pre-loading processes improve the accuracy of subsequent testing. The mass comparator can also perform a self-test. When the calibration personnel suspect a problem with the accuracy of the mass comparator, they can activate the self-test function to check whether the mass comparator is qualified. This further reduces measurement errors and resource consumption, and improves measurement accuracy. Attached Figure Description
[0059] The preferred embodiments will now be described in a clear and easy-to-understand manner, in conjunction with the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages, and implementation methods of the present invention.
[0060] Figure 1 This is a flowchart of an embodiment of a method for integrated detection of the mass and magnetism of a weight according to the present invention;
[0061] Figure 2 This is a flowchart of an embodiment of a method for integrated detection of the mass and magnetism of a weight according to the present invention;
[0062] Figure 3 This is a flowchart of an embodiment of a method for integrated detection of the mass and magnetism of a weight according to the present invention;
[0063] Figure 4 This is a flowchart of an embodiment of a method for integrated detection of the mass and magnetism of a weight according to the present invention;
[0064] Figure 5 This is a flowchart of another embodiment of the integrated detection method for the mass and magnetism of a weight according to the present invention;
[0065] Figure 6 This is a structural diagram of an embodiment of the weight mass and magnetic properties integrated detection device of the present invention;
[0066] Figure 7 This is a structural diagram of an embodiment of the weight mass and magnetic properties integrated detection device of the present invention;
[0067] Figure 8 This is a structural diagram of an embodiment of the weight mass and magnetic properties integrated detection device of the present invention;
[0068] Figure 9 This is a structural diagram of another embodiment of the weight mass and magnetic properties integrated detection device of the present invention.
[0069] The following are the unit numbers in the diagram: Second Acquisition Unit 100; Second Judgment Unit 200; Display Unit 300; Execution Unit 400; Placement Unit 500; First Acquisition Unit 600; Zeroing Unit 700; First Reading Unit 800; First Judgment Unit 900; Setting Unit 1000; Second Reading Unit 1100; Control Module 810; Judgment Module 820; Acquisition Module 830. Detailed Implementation
[0070] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without creative effort.
[0071] To keep the drawings concise, each figure only schematically shows the parts relevant to the invention, and these do not represent the actual structure of the product. Furthermore, to facilitate understanding, in some figures, only one of components with the same structure or function is schematically depicted, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."
[0072] It should also be further understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.
[0073] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0074] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0075] It should be noted that the above embodiments can be freely combined as needed. The above are merely preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.
[0076] In one embodiment, such as Figure 1 As shown, the present invention provides a method for integrated detection of the mass and magnetism of a weight, comprising:
[0077] S100 receives the preload command and performs the loading and unloading operations of the first calibration weight on the mass comparator.
[0078] Specifically, before initiating the automatic pre-loading process of the mass comparator, the calibration personnel use a crane to load a weight corresponding to the maximum load of the mass comparator (e.g., if the mass comparator's measurement range is 0kg-1000kg, the maximum load is 1000kg) onto the support platform and click the automatic centering button. The electric centering mechanism then moves the weight to the center position of the support platform. When the weight reaches the center position of the support platform, the electric centering mechanism sends a signal to the control system that the weight has reached the center of the support platform. Upon receiving this signal, the control system, through motor drive, controls the clamping mechanisms (e.g., lathe chucks) around the support platform to simultaneously retract and clamp towards the center of the support platform. The clamping mechanisms are also equipped with sensors; when the clamping mechanisms clamp the weight, the sensors on the clamping mechanisms will send a signal to the control system that the weight has been clamped.
[0079] After the weight is clamped by the clamping mechanism, the inspector clicks the pre-loading button. The hydraulic device under the weight-bearing platform (e.g., a hydraulic lifting platform) automatically loads and unloads the weight on the mass comparator a preset number of times. That is, before pre-loading the mass comparator, the inspector can pre-set the number of pre-loading cycles to prevent insufficient loading and unloading cycles, which would result in too few samples and too much randomness during weight quality testing. Too many loading and unloading cycles would lead to wasted resources, so a reasonable number of pre-loading cycles (e.g., 10 times) should be preset. One loading and unloading cycle constitutes one pre-loading cycle. Each hydraulic cylinder of the hydraulic device is equipped with upper and lower limit switches. Because the bearing platform and the mass comparator weighing pan are interlocking, when the hydraulic device moves from the upper limit switch to the lower limit switch, the bearing platform and the mass comparator weighing pan successfully engage. The clamping mechanism releases the weight, and the weight, located at the center of the bearing platform, falls onto the mass comparator weighing pan, yielding the weight's mass. This is one loading cycle.
[0080] After the control system receives the mass of the weight, it controls the clamping mechanism to clamp the weight again. The hydraulic device moves from the lower limit switch to the upper limit switch, the supporting platform separates from the weighing pan of the mass comparator, and returns to its original position, completing one unloading process. During loading and unloading, the hydraulic device sends position information back to the control system when it moves to the upper and lower limit switches, allowing the control system to count the preloading process. After reaching the required number of preloading cycles, the automatic preloading process of the mass comparator ends. Alternatively, only the number of loading cycles can be set, and the preloading process of the mass comparator can be terminated by counting the loading cycles. This embodiment only provides a preferred solution; the specific solution needs to be determined based on the actual situation.
[0081] S110, when performing magnetic measurement of the weight to be measured, the weight to be measured is placed on the support platform.
[0082] S120, Start scanning the external dimensions of the weight to obtain the center coordinates of each face of the weight to be tested.
[0083] The S130, controlled by a six-axis robot, uses a zeroed Gaussian probe to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0084] Specifically, after the mass comparator completes its automatic preloading, the magnetic properties and mass of the weights are tested simultaneously. The calibration personnel use a crane to load the weights to be tested onto the support platform. The personnel then click the automatic centering button, and the control system controls the electric centering mechanism to move the weights to the center of the support platform. The personnel enter the weight's number, grade, specifications, shape, and other information into the control system and select the mass and magnetic properties testing process. The control system activates the weight's external dimension scanning function. A six-axis robot equipped with a vision system (e.g., a camera) scans the weights to obtain their external dimensions and the coordinates of the center point of each facet.
[0085] The calibration personnel clicked the probe zeroing button on the control system. The six-axis robot received the probe zeroing signal and automatically moved the gaussmeter probe to the zeroing device to zero it.
[0086] The zeroing chamber is mounted on the robot's base, and the gaussmeter probe is mounted on the sixth axis of the six-axis robot. Upon receiving a zeroing command, the six-axis robot moves according to pre-set coordinates, the probe extends into the zeroing chamber, and the control system sends a zeroing signal to the gaussmeter. Upon receiving the zeroing signal, the gaussmeter zeroes itself. The six-axis robot then moves the gaussmeter probe out of the zeroing chamber.
[0087] After the gaussmeter probe is zeroed, the magnetism of the weight to be tested begins. The hydraulic device lifts the weight to its highest position and sends a signal indicating that the weight has reached its highest position to the control system. Upon receiving this signal, the control system sends a start-test command to the six-axis robot. Following the center coordinates of each face of the weight read by the control system, the six-axis robot controls the gaussmeter probe to sequentially position itself at the center coordinates of each face. The control system then reads all the coordinate positions and magnetic measurement values of the weight.
[0088] S140: When the magnetic measurement value is qualified, control the loading and unloading operation of the weight to be tested on the mass comparator, and read the mass detection value of the weight to be tested.
[0089] Specifically, when the magnetic measurements at all coordinate positions of the weight to be tested are within the specified reasonable range (for example, the magnetic range of a 1000kg cast iron weight is less than 3μT), meaning the measured values of the weight will not interfere with the metrology of the precision instrument, the hydraulic device automatically moves the weight to be tested from the highest point to the support platform. The calibration personnel then initiate the weight quality inspection process in the control system. This quality inspection process is similar to the pre-loading process of the mass comparator; the weight to be tested is loaded and unloaded a preset number of times to obtain the quality inspection value for each test. The quality inspection values are then checked and compared to see if there are significant differences, thus determining the required quality inspection value.
[0090] In this embodiment, it is assumed that the mass comparator's detection range is 100kg-1000kg, the weight to be tested is a cast iron weight with a calibrated mass of 1000kg and a magnetic range of less than 3μT, and the pre-loading number is 5 times. After the mass comparator's pre-loading is completed, the inspector uses a crane to load the weight to be tested onto the support platform. The inspector clicks the automatic centering button, and the control system controls the electric centering mechanism to move the weight to be tested to the center position of the support platform. The inspector enters the weight's number, grade, specifications, shape, and other information into the control system and selects the mass and magnetic detection process. Assuming the weight to be tested is numbered 001, grade A, and cube-shaped, the control system activates the weight's external dimension scanning function. A six-axis robot carrying a vision system (e.g., a camera) scans the weight to be tested to obtain its external dimensions and acquires the coordinates of the center point of each face of the weight.
[0091] The inspector clicks the probe zeroing button on the control system. The six-axis robot receives the probe zeroing signal and automatically moves the gaussmeter probe to the zeroing device for zeroing. After the gaussmeter probe is zeroed, the magnetism of the test weight 001 is tested. The hydraulic device lifts the test weight 001 to its highest position and sends a signal indicating that the test weight 001 has reached its highest position to the control system. Upon receiving this signal, the control system sends a start-test command to the six-axis robot. Following the center coordinates of each face of the test weight 001 read by the control system, the six-axis robot controls the gaussmeter probe to sequentially position itself at the center coordinates of each face. The control system reads all coordinate positions and magnetic measurement values of the test weight. The detected magnetic measurement values for each face of the test weight 001 are 1μT, 2μT, 1.2μT, 1.3μT, 2.1μT, and 1.4μT. Comparison with the calibrated magnetic range shows that all measured values are within the reasonable magnetic range, and the control system automatically proceeds to the mass detection of the test weight 001.
[0092] The hydraulic device automatically moves the weight 001 to be tested from the highest point to the bearing platform. The calibration personnel start the weight mass detection process in the control system. After the weight 001 is clamped by the clamping mechanism, the hydraulic device under the bearing platform moves the bearing platform from the upper limit switch to the lower limit switch. The bearing platform successfully engages with the weighing pan of the mass comparator. The clamping mechanism releases the weight 001, and the weight 001 falls onto the weighing pan of the mass comparator. After the control system receives the mass of the weight 001, it controls the clamping mechanism to clamp the weight again. The hydraulic device moves from the lower limit switch to the upper limit switch, and the bearing platform separates from the weighing pan of the mass comparator and returns to its original position. The loading and unloading process of the weight 001 to be tested was repeated five times. The actual measured values of the weight 001 (1000 kg, 999.99 kg, 999.98 kg, 999.96 kg, and 999.97 kg) were compared with the calibrated mass of 1000 kg. It was found that the actual measured mass error of the weight 001 was very small. The average of the five measurements was taken to obtain the actual mass of the weight 001. Determining the actual mass of the weight 001 by averaging is only a method proposed in this embodiment for ease of understanding and does not represent the method that must be used in actual situations. Other methods can also be used to determine the actual mass of the weight 001.
[0093] In one embodiment, such as Figure 2 As shown, the present invention provides a method for integrated detection of the mass and magnetism of a weight, and further includes:
[0094] S200 receives the preload command and performs the loading and unloading operations of the weight to be tested on the mass comparator.
[0095] S210, when performing the magnetic measurement of the weight to be tested, the weight to be tested is placed on the support platform.
[0096] S220, Start scanning the external dimensions of the weight to obtain the center coordinates of each face of the weight to be tested.
[0097] The S230, controlled by a six-axis robot, uses a zeroed Gaussian probe to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0098] S240, determine whether the magnetic detection value is qualified.
[0099] S250: If the magnetic measurement value is qualified, control the loading and unloading operation of the weight to be tested on the mass comparator, and read the mass detection value of the weight to be tested.
[0100] S260, if the magnetic detection value is not qualified, the magnetic detection and quality detection test of the weight to be tested will be terminated, and the test results will be fed back.
[0101] Specifically, after the control system reads the magnetic measurement value of each face of the weight to be tested, it compares it with its calibrated magnetic range to determine whether the magnetic measurement value is within the calibrated range. If the magnetic measurement value is not within the calibrated range, the control system will terminate the magnetic detection and quality inspection test of the weight to be tested and report the magnetic detection failure to the calibration personnel.
[0102] If the magnetic measurement value of the weight to be tested is qualified, the hydraulic device automatically moves the weight from the highest point to the support platform, and the calibration personnel start the weight quality inspection process in the control system. The weight to be tested is loaded and unloaded a preset number of times to obtain the quality inspection value of the weight for each time. The quality inspection values of each time are checked and compared to see if there are significant differences, so as to obtain the quality inspection value that meets the requirements.
[0103] In this embodiment, it is assumed that the weight A to be tested is a rectangular stainless steel weight calibrated to 500 kg with a magnetic range of less than 5 μT. After the calibration personnel complete the pre-loading process of the mass comparator, they use a crane to load the weight to be tested onto the support platform. The calibration personnel click the automatic centering button, and the control system controls the electric centering mechanism to move the weight to be tested to the center position of the support platform. The calibration personnel enter the information of the weight A to be tested into the control system and select the mass and magnetic detection process. The control system starts the weight's external dimension scanning function. A six-axis robot carrying a vision system (e.g., a camera) scans the dimensions of the weight A to be tested, obtaining the external dimensions of the weight A and acquiring the coordinates of the center point of each face of the weight A.
[0104] Next, the gaussmeter probe is zeroed. After zeroing, the magnetism of the weight A to be tested is detected. The hydraulic device lifts the weight A to its highest position and sends a signal indicating that the weight A has reached its highest position to the control system. Upon receiving this signal, the control system sends a start-test command to the six-axis robot. The six-axis robot, according to the center coordinates of each face of the weight A read by the control system, controls the gaussmeter probe to sequentially position itself at the center coordinates of each face. The control system reads all coordinate positions and magnetic measurement values of the weight A. The detected magnetic measurement values for each face of the weight A are 1μT, 2μT, 5.2μT, 5.3μT, 2.1μT, and 1.4μT. By comparing these values with the calibrated magnetic range of less than 5μT, it is found that the magnetic measurement values at the center coordinates of two faces of the weight A exceed the calibrated magnetic range. The control system then terminates the magnetic detection and quality inspection of the weight A and reports the magnetic detection failure to the inspector. If the magnetic detection passes, the quality inspection process for the weight A automatically begins.
[0105] In one embodiment, such as Figure 3 As shown, the present invention provides a method for integrated detection of the mass and magnetism of a weight, and further includes:
[0106] S300 receives the preload command and performs the loading and unloading operations of the first calibration weight on the mass comparator.
[0107] S310: When performing magnetic measurement of the weight to be measured, the weight to be measured is placed on the support platform.
[0108] S320, start scanning the outer dimensions of the weight to obtain the center coordinates of each face of the weight to be measured.
[0109] S330, start probe zeroing, control the six-axis robot to move the Gaussian probe to the zeroing device to zero.
[0110] Specifically, the zeroing chamber is mounted on the base of the six-axis robot, and the gaussmeter probe is mounted on the sixth axis of the robot. Upon receiving a zeroing command, the six-axis robot moves according to pre-set coordinates, extending the gaussmeter probe on the sixth axis into the zeroing chamber. The control system then sends a zeroing signal to the gaussmeter to zero the instrument. After zeroing is complete, the six-axis robot moves in the opposite direction according to pre-set coordinates, and the gaussmeter probe on the sixth axis exits the zeroing chamber and returns to the top of the support platform.
[0111] The S340, controlled by a six-axis robot, uses a zeroed Gaussian probe to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0112] S350: When the magnetic measurement value is qualified, the test weight is controlled to perform loading and unloading operations on the mass comparator, and the mass detection value of the test weight is read.
[0113] This embodiment, as a preferred embodiment, zeroes the gaussmeter probe before performing the magnetic detection of the weights, thus improving the accuracy of the magnetic detection. Zeroing the gaussmeter probe can also be performed before preloading, not just before the magnetic detection of the weights. Verification personnel can zero the gaussmeter probe according to the actual situation; this embodiment does not impose any restrictions on this.
[0114] In one embodiment, the present invention provides a method for detecting the mass and magnetism of a weight. Based on the above embodiment, the method for receiving a pre-loading command and performing the loading and unloading operations of a first calibrated weight on a mass comparator further includes:
[0115] S101, control the hydraulic device to move the bearing platform downward by a first preset distance, so that the first calibration weight is moved from the bearing platform to the weighing pan of the mass comparator, and the loading is completed.
[0116] S102, control the hydraulic device to move the bearing platform upward by a second preset distance, so that the first calibration weight moves from the mass comparator weighing pan to the bearing platform, completing the unloading.
[0117] Specifically, the support platform engages with the weighing pan of the mass comparator, with the support platform positioned above the weighing pan. The support platform moves vertically downwards to a position level with the weighing pan, at which point the weights on the support platform fall onto the weighing pan, and the weighing pan begins measuring the mass of the weights. After the measurement is complete, the support platform moves vertically upwards, lifting the weights and returning to its initial position.
[0118] Assuming the maximum load of the mass comparator is 500kg, the calibrator loads a calibrated 500kg weight onto the platform and clicks the auto-center button. The electric centering mechanism moves the weight to the center of the platform. Upon receiving a signal that the weight has reached the center, the control system, driven by a motor, simultaneously retracts the clamping mechanisms around the platform towards the center. When the clamping mechanisms have clamped the weight, sensors on them send a signal to the control system. The calibrator then clicks the pre-load button. The hydraulic system under the platform moves downwards a first preset distance. The four hydraulic cylinders of the hydraulic system are equipped with upper and lower limit switches. The hydraulic system moves the platform from the upper limit switch to the lower limit switch. At this point, the platform engages with the mass comparator's weighing pan, and the calibrated 500kg weight falls onto the weighing pan, allowing the actual weight of the calibrated 500kg weight to be measured. After the measurement is completed, the hydraulic device moves the load-bearing platform from the lower limit switch to the upper limit switch, and the load-bearing platform lifts the calibrated 500kg weight, ending one pre-loading process. The pre-loading process is repeated multiple times according to the actual situation (assuming the number of pre-loading times is 5). After the pre-loading is completed, the control system sends a zeroing command to zero the mass comparator and start the magnetic detection and mass detection of the weight.
[0119] In one embodiment, such as Figure 4 As shown, the present invention provides a method for integrated detection of the mass and magnetism of a weight, and further includes:
[0120] S400 receives a preload command and performs loading and unloading operations on the mass comparator for the weights to be tested.
[0121] S410, when performing the magnetic measurement of the weight to be tested, the weight to be tested is placed on the support platform.
[0122] S420, Start scanning the external dimensions of the weight to obtain the center coordinates of each face of the weight to be tested.
[0123] The S430, controlled by a six-axis robot, uses a zeroed Gaussian probe to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0124] S440, set the preset number of load and unload cycles.
[0125] Specifically, after the magnetic testing of the weights to be tested is completed, a preset number of loading and unloading cycles should be set for the quality testing. Too few loading and unloading cycles result in too few samples during the quality testing process, leading to excessive randomness and significant errors in the measured quality results. Too many loading and unloading cycles, on the other hand, waste resources and increase unnecessary workload. Therefore, the calibration personnel should set a reasonable number of loading and unloading cycles based on the actual situation to complete the quality testing of the weights to be tested.
[0126] S450, determines whether the magnetic detection value is qualified.
[0127] S460: If the magnetic detection value is not qualified, the magnetic detection and quality detection test of the weight to be tested will be terminated, and the test results will be fed back.
[0128] S470: When the magnetic measurement value is qualified, control the loading and unloading operation of the weight to be tested on the mass comparator, and read the mass detection value of the weight to be tested.
[0129] In one embodiment, such as Figure 5 As shown, the present invention provides a method for integrated detection of the mass and magnetism of a weight, and further includes:
[0130] S500 controls the loading and unloading of the second calibration weight on the mass comparator to obtain the mass detection value of the second calibration weight.
[0131] S510 determines whether the quality comparator is qualified based on the comparison results between the quality test value and the calibration specification of the quality comparator.
[0132] S520, if the quality comparator fails, display the failure information.
[0133] S530, if the mass comparator is qualified, execute the preload command and perform the loading and unloading operation of the first calibration weight on the mass comparator.
[0134] Specifically, when the calibration personnel have doubts about the accuracy of the mass comparator, they can activate the mass comparator's calibration function. The calibration process is similar to the pre-loading process. The calibration personnel use a crane to place the calibration weight on the support platform. The electric centering mechanism centers the calibration weight, and the clamping mechanism clamps it. Then, the calibration personnel press the mass comparator calibration button. The hydraulic device under the support platform automatically loads and unloads the calibration weight on the mass comparator a preset number of times, detecting the actual weight of the calibration weight. Assuming the calibration weight is 500kg, the mass comparator's measurement range is 0kg-800kg, and the loading and unloading is performed 5 times. The five measurements on the mass comparator are 500kg, 499.99kg, 500kg, 499.99kg, and 500kg respectively. Comparing the results with the mass comparator's calibration specifications, the actual mass error of the five measurements is very small. The mass comparator is calibrated and the pre-loading process can proceed.
[0135] If the mass comparator fails, the failure information will be reported to the calibration personnel, and the weight mass and magnetic detection will be terminated.
[0136] S540 receives the preload command and performs the loading and unloading operations of the first calibration weight on the mass comparator.
[0137] When performing magnetic measurements on a weight, the S550 places the weight onto a support platform.
[0138] S560, start scanning the outer dimensions of the weight to obtain the center coordinates of each face of the weight to be measured.
[0139] The S570, controlled by a six-axis robot, uses a zeroed Gaussian probe to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0140] S580: When the magnetic measurement value is qualified, the test weight is controlled to perform loading and unloading operations on the mass comparator, and the mass detection value of the test weight is read.
[0141] This embodiment, as a preferred embodiment, merely provides a procedure for calibrating the mass comparator before preloading and does not limit when the mass comparator calibration must be performed. Calibration personnel can configure the settings according to actual circumstances.
[0142] In one embodiment, the present invention provides a method for integrated quality and magnetic detection. Based on the above embodiment, a six-axis robot controls a zeroed Gaussian probe to sequentially locate the center coordinates of each surface, reads the center coordinates and magnetic measurement values of each surface, and further includes:
[0143] S131, Receive the start detection command and control the hydraulic device to vertically lift the weight to be tested a third preset distance.
[0144] S132, determine whether a feedback signal of vertically lifting a third preset distance has been received.
[0145] S133, when a feedback signal is received, control the gaussmeter probe to sequentially locate the center coordinates and obtain the center coordinate position and magnetic measurement value of each face of the weight to be tested.
[0146] Specifically, the inspector clicks the "Start Magnetic Testing" button. The hydraulic device vertically lifts the weight to be tested to its highest position. The control system checks whether it receives a signal indicating that the weight has been lifted to its highest position. Upon receiving the feedback signal, the six-axis robot begins to control the gaussmeter probe to locate each center coordinate of the weight according to the received center coordinates of each face, performing magnetic testing at each center coordinate until all magnetic testing points have been traversed and the magnetic test value at each center coordinate has been obtained. After the magnetic testing is completed, the mass testing of the weight is automatically initiated.
[0147] If the control system does not receive a signal that the weight to be tested has been lifted to the highest position, the magnetic detection process will be temporarily stopped, feedback will be sent to the calibration personnel, and the system will wait for the hydraulic device to lift the weight to be tested to the highest position.
[0148] In one embodiment, the present invention provides a weight mass and magnetic properties integrated detection device, comprising: an execution unit 400, a placement unit 500, a first acquisition unit 600, a first reading unit 800, and a second reading unit 1100.
[0149] The execution unit 400 is used to receive the preload command and perform the loading and unloading operations of the first calibration weight on the mass comparator.
[0150] Specifically, before initiating the automatic pre-loading process of the mass comparator, the calibration personnel use a crane to load a weight corresponding to the maximum load of the mass comparator (e.g., if the mass comparator's measurement range is 0kg-1000kg, the maximum load is 1000kg) onto the support platform and click the automatic centering button. The electric centering mechanism then moves the weight to the center position of the support platform. When the weight reaches the center position of the support platform, the electric centering mechanism sends a signal to the control system that the weight has reached the center of the support platform. Upon receiving this signal, the control system, through motor drive, controls the clamping mechanisms (e.g., lathe chucks) around the support platform to simultaneously retract and clamp towards the center of the support platform. The clamping mechanisms are also equipped with sensors; when the clamping mechanisms clamp the weight, the sensors on the clamping mechanisms will send a signal to the control system that the weight has been clamped.
[0151] After the weight is clamped by the clamping mechanism, the inspector clicks the pre-loading button. The execution unit 400 controls the hydraulic device (e.g., a hydraulic lifting platform) under the weight-bearing platform to automatically load and unload the weight on the mass comparator a preset number of times. That is, before pre-loading the mass comparator, the inspector can pre-set the number of pre-loading cycles to prevent insufficient loading and unloading cycles, which would result in too few samples and too much randomness during weight quality testing. Too many loading and unloading cycles would lead to wasted resources, so a reasonable number of pre-loading cycles (e.g., 10 times) should be preset. One loading and unloading cycle constitutes one pre-loading cycle. Each hydraulic cylinder of the hydraulic device is equipped with upper and lower limit switches. Because the bearing platform and the mass comparator weighing pan are interlocking, when the hydraulic device moves from the upper limit switch to the lower limit switch, the bearing platform and the mass comparator weighing pan successfully engage. The clamping mechanism releases the weight, and the weight, located at the center of the bearing platform, falls onto the mass comparator weighing pan, thus obtaining the weight's mass. This is one loading cycle.
[0152] After the control system receives the mass of the weight, it controls the clamping mechanism to clamp the weight again. The hydraulic device moves from the lower limit switch to the upper limit switch, the supporting platform separates from the weighing pan of the mass comparator, and returns to its original position, completing one unloading process. During loading and unloading, the hydraulic device sends position information back to the control system when it moves to the upper and lower limit switches, allowing the control system to count the preloading process. After reaching the required number of preloading cycles, the automatic preloading process of the mass comparator ends. Alternatively, only the number of loading cycles can be set, and the preloading process of the mass comparator can be terminated by counting the loading cycles. This embodiment only provides a preferred solution; the specific solution needs to be determined based on the actual situation.
[0153] The placement unit 500 is used to place the weight to be tested onto the support platform when performing magnetic measurements on the weight to be tested.
[0154] The first acquisition unit 600 is used to initiate the scanning of the external dimensions of the weight and acquire the center coordinates of each face of the weight to be measured.
[0155] The first reading unit 800 is used to control the zeroed Gaussian probe via a six-axis robot to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0156] Specifically, after the mass comparator automatically preloads, it performs integrated magnetic and mass testing of the weights. Placement unit 500 loads the weights to be tested onto the support platform. The calibration personnel click the automatic centering button, and the control system controls the electric centering mechanism to move the weights to the center of the support platform. The calibration personnel enter the weight's number, grade, specifications, shape, and other information into the control system and select the mass and magnetic testing procedures. First acquisition unit 600 activates the weight's external dimensions scanning function. A six-axis robot carrying a vision system (e.g., a camera) scans the weights to be tested, obtaining their external dimensions and the coordinates of the center point of each facet.
[0157] The calibration personnel clicked the probe zeroing button on the control system. The six-axis robot received the probe zeroing signal and automatically moved the gaussmeter probe to the zeroing device to zero it.
[0158] The zeroing chamber is mounted on the robot's base, and the gaussmeter probe is mounted on the sixth axis of the six-axis robot. Upon receiving a zeroing command, the six-axis robot moves according to pre-set coordinates, the probe extends into the zeroing chamber, and the control system sends a zeroing signal to the gaussmeter. Upon receiving the zeroing signal, the gaussmeter zeroes itself. The six-axis robot then moves the gaussmeter probe out of the zeroing chamber.
[0159] After the gaussmeter probe is zeroed, the magnetism of the weight to be tested is detected. The hydraulic device lifts the weight to its highest position and sends a signal indicating that the weight has reached its highest position to the control system. Upon receiving this signal, the control system sends a start-test command to the six-axis robot. Following the center coordinates of each face of the weight read by the control system, the six-axis robot controls the gaussmeter probe to sequentially position itself at the center coordinates of each face. The first reading unit 800 reads all the coordinate positions and magnetic measurement values of the weight.
[0160] The second reading unit 1100 is used to control the loading and unloading of the weight to be tested on the mass comparator when the magnetic measurement value is qualified, and to read the mass detection value of the weight to be tested.
[0161] Specifically, when the magnetic measurement values at all coordinate positions of the weight to be tested are within the specified reasonable range (for example, the magnetic range of a 1000kg cast iron weight is less than 3μT), meaning the measurement value of the weight to be tested will not interfere with the metrology of the precision instrument, the hydraulic device automatically moves the weight to be tested from the highest point to the support platform, and the second reading unit 1100 initiates the weight mass detection process. This mass detection process is similar to the pre-loading process of the mass comparator; the weight to be tested is loaded and unloaded a preset number of times to obtain the mass detection value for each iteration. The mass detection values are then checked and compared to determine if there are significant differences, thus obtaining a mass detection value that meets the requirements.
[0162] In this embodiment, it is assumed that the detection range of the mass comparator is 100kg-1000kg, the weight to be tested is a cast iron weight with a calibrated mass of 1000kg and a magnetic range of less than 3μT, and the preloading times are 5. After the mass comparator preloading is completed, the placement unit 500 loads the weight to be tested onto the support platform. The inspector clicks the automatic centering button, and the control system controls the electric centering mechanism to move the weight to be tested to the center position of the support platform. The inspector enters the information such as the number, grade, specifications, and shape of the weight to be tested into the control system and selects the mass and magnetic detection process. Assuming that the weight to be tested is numbered 001, grade A, and cube-shaped, the first acquisition unit 600 starts the weight's external dimension scanning function. The six-axis robot, carrying a vision system (e.g., a camera), scans the size of the weight to be tested, obtains the external dimensions of the weight to be tested, and acquires the coordinates of the center point of each face of the weight.
[0163] The inspector clicks the probe zeroing button on the control system. The six-axis robot receives the probe zeroing signal and automatically moves the gaussmeter probe to the zeroing device for zeroing. After the gaussmeter probe is zeroed, the magnetic properties of the test weight 001 are tested. The hydraulic device lifts the test weight 001 to its highest position and sends a signal indicating that the test weight 001 has reached its highest position to the control system. Upon receiving this signal, the control system sends a start testing command to the six-axis robot. Following the center coordinates of each face of the test weight 001 read by the control system, the first reading unit 800 controls the gaussmeter probe to sequentially position itself at the center coordinates of each face, reading all coordinate positions and magnetic measurement values of the test weight. The detected magnetic measurement values for each face of the test weight 001 are 1μT, 2μT, 1.2μT, 1.3μT, 2.1μT, and 1.4μT. Comparing these values with the calibrated magnetic range, all measurements are found to be within a reasonable magnetic range, and the control system automatically proceeds to the mass detection of the test weight 001.
[0164] The hydraulic device automatically moves the weight 001 to be tested from the highest point to the bearing platform. The calibration personnel start the weight mass detection process in the control system. After the weight 001 is clamped by the clamping mechanism, the hydraulic device under the bearing platform moves the bearing platform from the upper limit switch to the lower limit switch. The bearing platform successfully engages with the weighing pan of the mass comparator. The clamping mechanism releases the weight 001, and the weight 001 falls onto the weighing pan of the mass comparator. After the control system receives the mass of the weight 001, it controls the clamping mechanism to clamp the weight again. The hydraulic device moves from the lower limit switch to the upper limit switch, and the bearing platform separates from the weighing pan of the mass comparator and returns to its original position. The second reading unit 1100 repeats the loading and unloading process of the weight 001 to be tested five times. By comparing the actual measured values of the weight 001 (1000kg, 999.99kg, 999.98kg, 999.96kg, and 999.97kg) with the calibrated mass of 1000kg, it is found that the actual measured mass error of the weight 001 is very small. The average of the five measurements is taken to obtain the actual mass of the weight 001. Determining the actual mass of the weight 001 by averaging is only a method proposed in this embodiment for ease of understanding and does not represent a method that must be used in actual situations. Other methods can also be used to determine the actual mass of the weight 001.
[0165] In one embodiment, such as Figure 7 As shown, the present invention provides a weight mass and magnetic properties integrated detection device, comprising: an execution unit 400, a placement unit 500, a first acquisition unit 600, a first reading unit 800, a second reading unit 1100, a zeroing unit 700, a first judgment unit 900, and a setting unit 1000.
[0166] The execution unit 400 is used to receive the preload command and perform the loading and unloading operations of the first calibration weight on the mass comparator.
[0167] The placement unit 500 is used to place the weight to be tested onto the support platform when performing magnetic measurements on the weight to be tested.
[0168] The first acquisition unit 600 is used to initiate the scanning of the external dimensions of the weight and acquire the center coordinates of each face of the weight to be measured.
[0169] The first reading unit 800 is used to control the zeroed Gaussian probe via a six-axis robot to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0170] The second reading unit 1100 is used to control the loading and unloading of the weight to be tested on the mass comparator when the magnetic measurement value is qualified, and to read the mass detection value of the weight to be tested.
[0171] The zeroing unit 700 is used to initiate probe zeroing and control the six-axis robot to move the Gaussian probe to the zeroing device for zeroing.
[0172] Specifically, the zeroing chamber is mounted on the base of the six-axis robot, and the gaussmeter probe is mounted on the sixth axis of the robot. Upon receiving a zeroing command, the zeroing unit 700 moves the six-axis robot according to pre-set coordinates, extending the gaussmeter probe on the sixth axis into the zeroing chamber. The zeroing unit 700 then sends a zeroing signal to the gaussmeter to zero the instrument. After zeroing is complete, the six-axis robot moves in the opposite direction according to pre-set coordinates, and the gaussmeter probe on the sixth axis exits the zeroing chamber and returns to above the support platform.
[0173] The first judgment unit 900 is used to determine whether the magnetic detection value is qualified. If the magnetic detection value is not qualified, the magnetic detection and quality detection test of the weight to be tested is terminated, and the test result is fed back to the inspector.
[0174] Specifically, after the first reading unit 800 reads the magnetic measurement value of each face of the weight to be tested, the first judgment unit 900 compares it with its calibrated magnetic range to determine whether the magnetic measurement value is within the calibrated magnetic range. If the magnetic measurement value is not within the calibrated range, the first judgment unit 900 will end the magnetic detection and quality inspection test of the weight to be tested and report the information that the magnetic detection of the weight to be tested has failed to the calibration personnel.
[0175] If the magnetic measurement value of the weight to be tested is qualified, the hydraulic device automatically moves the weight from the highest point to the support platform, and the calibration personnel start the weight quality inspection process in the control system. The weight to be tested is loaded and unloaded a preset number of times to obtain the quality inspection value of the weight for each time. The quality inspection values of each time are checked and compared to see if there are significant differences, so as to obtain the quality inspection value that meets the requirements.
[0176] Setting unit 1000 is used to set the preset number of load and unload operations.
[0177] Specifically, after the magnetic testing of the weights to be tested is completed, the setting unit 1000 sets the preset number of loading and unloading cycles for the quality test. Too few loading and unloading cycles result in too few samples during the weight quality test, leading to excessive randomness and significant errors in the measured quality results. Too many loading and unloading cycles, on the other hand, waste resources and increase unnecessary workload. Therefore, the calibration personnel should set a reasonable number of loading and unloading cycles based on the actual situation to complete the quality test of the weights to be tested.
[0178] In this embodiment, it is assumed that the weight A to be tested is a rectangular stainless steel weight calibrated to 500 kg with a magnetic range of less than 5 μT. After the calibration personnel complete the pre-loading process of the mass comparator, the weight to be tested is loaded onto the support platform by the placement unit 500. The calibration personnel click the automatic centering button, and the control system controls the electric centering mechanism to move the weight to be tested to the center position of the support platform. The calibration personnel enter the information of the weight A to be tested into the control system and select the mass and magnetic detection process. The first acquisition unit 600 starts the weight's external dimension scanning function. The six-axis robot carrying a vision system (e.g., a camera) scans the dimensions of the weight A to be tested, obtains the external dimensions of the weight A to be tested, and acquires the coordinates of the center point of each face of the weight A to be tested.
[0179] Zeroing unit 700 then zeroes the gaussmeter probe. After zeroing, the magnetic properties of the test weight A are tested. The hydraulic device lifts the test weight A to its highest position and sends a signal indicating that the test weight A has reached its highest position to the control system. Upon receiving this signal, the control system sends a start-test command to the six-axis robot. Following the center coordinates of each face of the test weight A read by the control system, the six-axis robot, controlled by the first reading unit 800, sequentially positions the gaussmeter probe to the center coordinates of each face, reading all coordinate positions and magnetic measurement values of the test weight. The first judgment unit 900 detects magnetic measurement values of 1μT, 2μT, 5.2μT, 5.3μT, 2.1μT, and 1.4μT for each face of the test weight A. By comparing these values with the calibrated magnetic range of less than 5μT, it finds that the magnetic measurement values at the center coordinates of two faces of the test weight A exceed the calibrated magnetic range. The magnetic and quality testing of the test weight A is then terminated, and the result of the magnetic test failure is reported to the calibration personnel. If the magnetic detection passes, the second acquisition unit 640 will automatically begin the mass detection process of the weight A to be tested.
[0180] In one embodiment, such as Figure 8 As shown, the present invention provides a weight mass and magnetic properties integrated detection device, comprising: a second acquisition unit 100, a second judgment unit 200, a display unit 300, an execution unit 400, a placement unit 500, a first acquisition unit 600, a first reading unit 800, and a second reading unit 1100.
[0181] The second acquisition unit 100 is used to start the mass comparator calibration, control the second calibration weight to perform loading and unloading operations on the mass comparator, and acquire the mass detection value of the second calibration weight.
[0182] The second judgment unit 200 is used to determine whether the quality comparator is qualified based on the comparison result between the quality test value and the calibration specification of the quality comparator.
[0183] Display unit 300 is used to display non-compliance information if the quality comparator fails.
[0184] The execution unit 400 is used to receive the preload command and perform the loading and unloading operations of the first calibration weight on the mass comparator.
[0185] Specifically, when the inspector has doubts about the accuracy of the mass comparator, the second acquisition unit 100 activates the mass comparator's calibration function. The calibration process is similar to the pre-loading process. The inspector uses a crane to place the calibration weight on the support platform, the electric centering mechanism centers the calibration weight, and the clamping mechanism clamps the calibration weight. Then, the inspector clicks the mass comparator calibration button, and the hydraulic device under the support platform automatically loads and unloads the calibration weight on the mass comparator a preset number of times, detecting the actual weight of the calibration weight. Assuming the calibration weight is 500 kg, the mass comparator's measurement range is 0 kg-800 kg, and the loading and unloading times are 5 times. The calibration weights were tested on the mass comparator, and five results were obtained: 500 kg, 499.99 kg, 500 kg, 499.99 kg, and 500 kg. The second judgment unit 200 compared the test results with the mass comparator calibration specifications and found that the actual mass error of the five measurements was very small. The mass comparator was qualified, and the execution unit 400 could proceed with the preloading process.
[0186] If the mass comparator fails, the display unit 300 will send feedback to the calibration personnel indicating that the mass comparator has failed, and the weight mass and magnetic detection will end.
[0187] The placement unit 500 is used to place the weight to be tested onto the support platform when performing magnetic measurements on the weight to be tested.
[0188] The first acquisition unit 600 is used to initiate the scanning of the external dimensions of the weight and acquire the center coordinates of each face of the weight to be measured.
[0189] The first reading unit 800 is used to control the zeroed Gaussian probe via a six-axis robot to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface.
[0190] The second reading unit 1100 is used to control the loading and unloading of the weight to be tested on the mass comparator when the magnetic measurement value is qualified, and to read the mass detection value of the weight to be tested.
[0191] This embodiment, as a preferred embodiment, merely provides a procedure for calibrating the mass comparator before preloading and does not limit when the mass comparator calibration must be performed. Calibration personnel can configure the settings according to actual circumstances.
[0192] In one embodiment, such as Figure 6, 9 As shown, the present invention provides a weight mass and magnetic detection device. Based on the above embodiment, the first reading unit 800 further includes: a control module 810, a judgment module 820, and an acquisition module 830.
[0193] The control module 810 is used to receive the start detection command and control the hydraulic device to vertically lift the weight to be tested a third preset distance.
[0194] The judgment module 820 is used to determine whether a feedback signal of vertically lifting a third preset distance has been received.
[0195] The acquisition module 830 is used to control the gaussmeter probe to sequentially locate the center coordinates when a feedback signal is received, and to acquire the center coordinate position and magnetic measurement value of each face of the weight to be tested.
[0196] Specifically, the inspector clicks the "Start Magnetic Testing" button. The control module 810 vertically lifts the weight to be tested to its highest position, and the judgment module 820 detects whether it has received a signal that the weight has been lifted to its highest position. After receiving the feedback signal, the acquisition module 830 starts controlling the gaussmeter probe to locate each center coordinate of each face of the weight to be tested according to the received center coordinates, and performs magnetic testing at each center coordinate until all magnetic testing points have been visited and the magnetic test value of each center coordinate has been obtained. After the magnetic testing is completed, the mass testing of the weight to be tested is automatically started.
[0197] If the acquisition module 830 does not receive a signal that the weight to be tested has been lifted to the highest position, the magnetic detection process will be temporarily stopped, feedback will be sent to the calibration personnel, and the control module 810 will be waited for to lift the weight to be tested to the highest position.
[0198] In one embodiment, the present invention provides a computer medium storing a computer program thereon. When the computer program is executed by a processor, it can implement the weight mass and magnetism detection method as described in the foregoing embodiments. That is, when part or all of the technical solutions of the foregoing embodiments of the present invention that contribute to the prior art are embodied in the form of a computer software product, the foregoing computer software product is stored in a computer-readable storage medium. The computer-readable storage medium can be any physical device or equipment capable of carrying computer program code, such as a USB flash drive, a portable hard disk, a magnetic disk, an optical disk, a computer memory, a read-only memory, a random access memory, etc.
[0199] It should be noted that the above embodiments can be freely combined as needed. The above are merely preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.
Claims
1. A method for integrated detection of the mass and magnetism of a weight, characterized in that, Including the steps: Receiving a preloading instruction, and performing the loading and unloading operations of the first calibration weight on the mass comparator; When performing the magnetic measurement of the weight to be measured, placing the weight to be measured on the bearing platform; Starting the scanning of the external dimensions of the weight, and obtaining the central coordinates of each face of the weight to be measured; Controlling, by means of a six-axis robot, the zeroed Gaussian probe to sequentially locate to the central coordinates of each face, and reading the central coordinates of each face and the magnetic measurement values; When the magnetic measurement values are qualified, controlling the weight to be measured to perform the loading and unloading operations on the mass comparator, and reading the mass detection value of the weight to be measured.
2. The method for integrated detection of the mass and magnetism of a weight according to claim 1, characterized in that, Before the step of "when the magnetic measurement values are qualified" and after the step of "reading the central coordinates of each face and the magnetic measurement values", including the steps: Judging whether the magnetic measurement values are qualified; If the magnetic measurement values are unqualified, ending the magnetic detection and mass detection tests of the weight to be measured, and feeding back the detection results.
3. The method for integrated detection of the mass and magnetism of a weight according to claim 1, characterized in that, Before the step of "controlling, by means of a six-axis robot, the zeroed Gaussian probe to sequentially locate to the central coordinates of each face", including the steps: Starting the zeroing of the probe, and controlling the six-axis robot to move the Gaussian probe into the zeroing device for zeroing.
4. The method for integrated detection of the mass and magnetism of a weight according to claim 1, characterized in that, The step of "receiving a preloading instruction, and performing the loading and unloading operations of the first calibration weight on the mass comparator" specifically includes the steps: Controlling the hydraulic device to move the bearing platform downward by a first preset distance, so that the first calibration weight moves from the bearing platform to the weighing pan of the mass comparator to complete the loading; Controlling the hydraulic device to move the bearing platform upward by a second preset distance, so that the first calibration weight moves from the weighing pan of the mass comparator to the bearing platform to complete the unloading; The bearing platform is engaged with the weighing pan of the mass comparator by moving up and down.
5. The method for integrated detection of the mass and magnetism of a weight according to claim 2, characterized in that, Before the step of "judging whether the magnetic detection values are qualified" and after the step of "reading the central coordinates of each face and the magnetic measurement values", including the steps: Setting the preset number of loading and unloading times.
6. The method for integrated detection of the mass and magnetism of a weight according to claim 1, characterized in that, Before the step of "receiving a preloading instruction", it further includes the verification of the mass comparator, specifically including the steps: Controlling the second calibration weight to perform the loading and unloading operations on the mass comparator, and obtaining the mass detection value of the second calibration weight; Judging whether the mass comparator is qualified according to the comparison result between the mass detection value and the calibration specification of the mass comparator; If the mass comparator is qualified, performing the step of "receiving a preloading instruction, and performing the loading and unloading operations of the first calibration weight on the mass comparator"; If the mass comparator is unqualified, displaying unqualified information.
7. The method for integrated detection of the mass and magnetism of a weight according to claim 1, characterized in that, The step of "controlling, by means of a six-axis robot, the zeroed Gaussian probe to sequentially locate to the central coordinates of each face, and reading the central coordinates of each face and the magnetic measurement values" specifically includes the steps: Receiving a start detection instruction, and controlling the hydraulic device to vertically lift the weight to be measured by a third preset distance; Judging whether a feedback signal of the vertical lifting by the third preset distance is received; When judging that the feedback signal is received, controlling the Gaussian meter probe to sequentially locate the central coordinates, and obtaining the central coordinate positions and magnetic measurement values of each face of the weight to be measured.
8. A weight mass and magnetism integrated detection device, characterized in that, Including: The execution unit is used to receive the preload command and perform the loading and unloading operations of the first calibration weight on the mass comparator. The placement unit is used to place the weight to be tested onto the support platform when performing magnetic measurement of the weight to be tested; The first acquisition unit is used to initiate a scanning of the external dimensions of the weight and acquire the center coordinates of each face of the weight to be tested. The first reading unit is used to control the zeroed Gaussian probe via a six-axis robot to sequentially locate the center coordinates of each surface and read the center coordinates and magnetic measurement values of each surface. The second reading unit is used to control the loading and unloading of the weight to be tested on the mass comparator when the magnetic measurement value is qualified, and to read the mass detection value of the weight to be tested.
9. The integrated weight mass and magnetism detection device according to claim 8, characterized in that, Also includes: The first judgment unit is used to determine whether the magnetic measurement value is qualified. If the magnetic measurement value is not qualified, the magnetic detection and quality detection test of the weight to be tested is terminated, and the test result is fed back to the inspector. The zeroing unit is used to initiate probe zeroing and control the six-axis robot to move the Gaussian probe to the zeroing device for zeroing. The setting unit is used to set the preset number of loading and unloading operations.
10. A computer medium having a computer program stored thereon, wherein, When the program is executed, it implements the integrated detection method for weight mass and magnetism as described in any one of claims 1-7.
Citation Information
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