Gluing robot glue gun state detection method and detection system

Abstract

The invention relates to the technical field of gluing detection, and discloses a gluing robot glue gun state detection method and detection system.The method comprises the steps that the detection system simulating a real production environment is built, and the detection system comprises a glue gun fixing device, a glue supply pipeline, a control module and a data acquisition unit; mounting a glue gun to be detected on the glue gun fixing device, and connecting the glue gun fixing device with a glue supply pipeline; injecting a detection medium with preset viscosity into the glue supply pipeline; the detection system is controlled through the control module, and detection processes at least including gun switching function detection and glue leakage detection are executed in sequence; and based on a preset judgment standard, analyzing data acquired by the data acquisition unit in the detection process, and judging whether the to-be-detected glue gun is qualified or not. According to the detection method, the real production environment can be simulated, the key performance of the glue gun can be comprehensively detected, it is ensured that the glue gun reaches the use standard before being put on line, and the quality problems of glue leakage, glue strip forking and the like are avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of glue detection, and in particular to a glue robot glue gun state detection method and a detection system. BACKGROUND

[0002] At present, if the glue gun after maintenance is not detected and directly installed to the field for use, the glue gun will frequently appear quality faults such as glue leakage and glue strip bifurcation. This problem not only seriously interrupts the normal production rhythm, causes the production continuity to decrease significantly, but also directly causes the car body glue coating quality to be unstable, so that the overall quality control of the car body is faced with severe challenges. SUMMARY

[0003] The present application aims to solve at least one of the technical problems in the related art. To this end, a first object of the present application is to provide a glue robot glue gun state detection method, which can solve the quality problems such as glue leakage, glue strip bifurcation and electromagnetic valve closing failure caused by the glue gun after maintenance without system detection and directly online use, can simulate the real production environment, realize the comprehensive detection of the key performance of the glue gun, ensure that the glue gun reaches the use standard before online use, ensure that the glue gun after maintenance can be directly replaced to the production line for use, and avoid the quality problems such as glue leakage and glue strip bifurcation.

[0004] A second object of the present application is to provide a detection system.

[0005] To achieve the above object, a glue robot glue gun state detection method according to a first aspect of the present application is provided, which comprises: constructing a detection system simulating a real production environment, the detection system comprising a glue gun fixing device, a glue supply pipeline, a control module and a data acquisition unit; installing a glue gun to be detected on the glue gun fixing device and connecting it with the glue supply pipeline; injecting a detection medium with a preset viscosity into the glue supply pipeline; controlling the detection system through the control module to sequentially execute a detection process comprising at least gun opening and closing function detection and glue leakage detection; and analyzing the data collected by the data acquisition unit in the detection process based on a preset judgment standard to determine whether the glue gun to be detected is qualified.

[0006] In addition, the glue robot glue gun state detection method according to the above embodiments of the present application can also have the following additional technical features: According to some embodiments of the present application, the detection process of the gun opening and closing function detection comprises: controlling the glue gun to be detected to perform multiple continuous gun opening and closing actions; recording the first detection data of the glue gun to be detected; wherein the first detection result comprises the uniformity of glue discharge, the thoroughness of glue breakage and whether there is action jamming or delay; and determining whether the gun opening and closing function of the glue gun to be detected is normal based on the first detection result.

[0007] According to some embodiments of the present invention, based on preset judgment criteria, the data collected by the data acquisition unit in the testing process is analyzed to determine whether the glue gun to be tested is qualified, including: in response to the uniformity of glue dispensing, the completeness of glue cut-off, and whether there is any action jamming or delay in the glue gun to be tested meeting the preset judgment criteria, it is determined that the on / off function of the glue gun to be tested is normal.

[0008] According to some embodiments of the present invention, the detection process for glue leakage detection includes: continuously supplying pressure to the glue gun to be tested based on a preset rated pressure for a period of time; recording second detection data of the glue gun to be tested during or after the pressure holding period; wherein, the second detection result includes the amount of medium leakage at the nozzle, sealing ring and interface of the glue gun to be tested; and determining whether the glue leakage detection of the glue gun to be tested is qualified based on the second detection result.

[0009] According to some embodiments of the present invention, based on preset judgment criteria, the data collected by the data acquisition unit in the testing process is analyzed to determine whether the glue gun to be tested is qualified, including: comparing the amount of medium leakage with a preset leakage threshold; in response to the amount of medium leakage not being greater than the preset leakage threshold, the glue gun to be tested is determined to be qualified for leakage detection.

[0010] According to some embodiments of the present invention, the detection medium is petroleum jelly.

[0011] According to some embodiments of the present invention, in the detection process of adhesive leakage detection, the preset rated pressure is increased and / or the holding time is extended to simulate extreme working conditions.

[0012] The glue gun status detection method for a glue-applying robot according to an embodiment of the present invention includes: constructing a detection system simulating a real production environment, the detection system including a glue gun fixing device, a glue supply pipeline, a control module, and a data acquisition unit; installing the glue gun to be tested on the glue gun fixing device and connecting it to the glue supply pipeline; injecting a detection medium with a preset viscosity into the glue supply pipeline; controlling the detection system through the control module to sequentially execute a detection process including at least a gun on / off function test and a glue leakage test; and analyzing the data collected by the data acquisition unit during the detection process based on a preset judgment standard to determine whether the glue gun to be tested is qualified. Therefore, this method can solve the quality problems such as glue leakage, glue strip splitting, and solenoid valve failure caused by glue guns being used directly after maintenance without system testing. It can simulate a real production environment, achieve comprehensive testing of the key performance of the glue gun, ensure that it meets the usage standards before going online, and guarantee that the maintained glue gun can be directly replaced for use on the production line, avoiding quality problems such as glue leakage and glue strip splitting.

[0013] This invention aims to at least partially solve one of the technical problems in related technologies. Therefore, a second objective of this invention is to propose a testing system that can address quality issues such as glue leakage, glue strip splitting, and incomplete solenoid valve closure caused by glue guns being used directly on the production line after maintenance without system testing. This system can simulate a real production environment, enabling comprehensive testing of the key performance characteristics of the glue gun, ensuring it meets usage standards before being put into production, and guaranteeing that the maintained glue gun can be directly replaced for use on the production line, avoiding quality problems such as glue leakage and glue strip splitting.

[0014] To achieve the above objectives, a second aspect of the present invention provides a detection system for implementing the above-described method for detecting the status of a glue gun in a glue-applying robot, comprising: a detection stand; a glue gun fixing device, mounted on the detection stand, for fixing the glue gun to be tested and simulating the on-site installation posture of the glue gun to be tested; a glue supply pipeline, including a detection medium storage tank, a glue pump, and a branch valve connected in sequence, and finally connected to the glue gun to be tested on the glue gun fixing device; a control module, electrically connected to the glue pump, the branch valve, and the glue gun to be tested, for controlling the execution of the detection process; and a data acquisition unit, electrically connected to the glue pump, the branch valve, and the glue gun to be tested, for acquiring data during the detection process.

[0015] In addition, the detection system according to the above embodiments of the present invention may also have the following additional technical features: According to some embodiments of the present invention, the glue gun fixing device is an angle-adjustable bracket, and the bracket is made of stainless steel.

[0016] According to some embodiments of the present invention, the connecting pipeline between the glue supply pipeline and the glue gun to be tested adopts a pressure-resistant pipeline with a pressure resistance range of not less than 1.5MPa and is equipped with a quick connector.

[0017] The testing system according to an embodiment of the present invention includes: a testing stand; a glue gun fixing device, installed on the testing stand, for fixing the glue gun to be tested and simulating the on-site installation posture of the glue gun to be tested; a glue supply pipeline, including a testing medium storage tank, a glue pump, and a branch valve connected in sequence, and finally connected to the glue gun to be tested on the glue gun fixing device; a control module, electrically connected to the glue pump, the branch valve, and the glue gun to be tested, for controlling the execution of the testing process; and a data acquisition unit, electrically connected to the glue pump, the branch valve, and the glue gun to be tested, for acquiring data in the testing process. Therefore, this system can solve the quality problems such as glue leakage, glue strip splitting, and solenoid valve failure caused by glue guns being used directly after maintenance without system testing. It can simulate a real production environment, achieve comprehensive testing of the key performance of the glue gun, ensure that it meets the usage standards before being put into production, and guarantee that the maintained glue gun can be directly replaced for use on the production line, avoiding quality problems such as glue leakage and glue strip splitting.

[0018] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0019] Figure 1 A flowchart of a glue gun status detection method for a glue applicator robot according to some embodiments of the present invention; Figure 2 This is a block diagram of a detection system according to some embodiments of the present invention. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0021] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this invention should have the ordinary meaning understood by those skilled in the art. The terms "first," "second," and similar terms used in the embodiments of this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] As mentioned in the background section, currently, if the glue gun is not inspected after maintenance and is directly installed on site, the glue gun will frequently experience quality failures such as glue leakage and glue strip splitting. This problem not only seriously disrupts the normal production rhythm and causes a significant decrease in production continuity, but also directly leads to unstable glue coating quality on the car body, posing a severe challenge to the overall quality control of the car body.

[0023] Currently, production line testing presents several challenges: wasted manpower and time; repeated disassembly and reassembly leading to deviations in glue gun installation accuracy; and frequent production line verification resulting in long production time, glue waste, and the generation of large amounts of hazardous waste.

[0024] Therefore, this invention can solve the quality problems such as glue leakage, glue strip splitting, and solenoid valve failure caused by glue guns being used directly after maintenance without systematic testing. It can simulate the real production environment to achieve comprehensive testing of the key performance of glue guns, ensuring that they meet the usage standards before being put into production. This ensures that the maintained glue guns can be directly replaced and used on the production line, avoiding quality problems such as glue leakage and glue strip splitting.

[0025] The following description, with reference to the accompanying drawings, illustrates the glue gun status detection method and system for a glue-applying robot proposed in this invention.

[0026] refer to Figure 1 This is a flowchart of a glue gun status detection method for a glue applicator robot according to some embodiments of the present invention.

[0027] like Figure 1 As shown, the glue gun status detection method for a glue applicator robot according to an embodiment of the present invention may include the following steps: S101, construct a testing system that simulates a real production environment. The testing system includes a glue gun fixing device, glue supply pipeline, control module and data acquisition unit.

[0028] Specifically, a testing system simulating a real production environment is constructed to comprehensively and accurately test the performance of glue guns. The testing system includes a glue gun fixing device, a glue supply pipeline, a control module, and a data acquisition unit. The glue gun fixing device ensures stable installation of the glue gun, the glue supply pipeline simulates the glue supply process in actual production, the control module automates the testing process, and the data acquisition unit acquires test data in real time, providing a reliable basis for glue gun performance evaluation.

[0029] S102, Install the glue gun to be tested onto the glue gun fixing device and connect it to the glue supply line.

[0030] Specifically, adjust the position and angle of the clamps on the glue gun holder according to the model and size of the glue gun to be tested. Most adjustable holders adapt to different glue gun sizes by moving a slider, rotating the clamp, or adjusting bolts. Carefully place the glue gun to be tested between the clamps of the glue gun holder, ensuring that the glue inlet of the glue gun is aligned with the connection end of the glue supply line. During placement, avoid collisions between the glue gun and the glue gun holder to prevent damage. Use a wrench or screwdriver to tighten the glue gun fixing bolts or nuts on the clamps to securely fix the glue gun to the glue gun holder. Apply force evenly during fixing to ensure that the glue gun is subjected to stable clamping force in all directions, preventing loosening or displacement during testing.

[0031] Select the appropriate connection method based on the type of glue gun inlet and the interface of the glue supply line. Common connection methods include threaded connections and quick-connect couplings. When using a threaded connection, align the threaded end of the glue supply line with the threaded hole of the glue gun inlet and slowly rotate the line to gradually screw it into the glue gun inlet. A sealing ring can be used to reinforce the connection, ensuring consistency with the on-site installation method.

[0032] S103, inject a test medium with a preset viscosity into the glue supply line.

[0033] Specifically, a test medium with a preset viscosity is injected into the glue supply line, wherein the test medium can be petroleum jelly. Then, the glue pump is started to purge the air from the glue supply line.

[0034] S104 controls the detection system through the control module to sequentially execute a detection process that includes at least gun on / off function detection and glue leakage detection.

[0035] Specifically, the control module automates the detection process to control the detection system. It can first perform a gun on / off function test to determine if the gun is functioning correctly, and then perform a leak detection. The appropriate leak detection method can be selected based on the type of glue gun and the potential location of leaks. Common leak detection methods include proximity switch detection and pressure sensor detection.

[0036] S105, based on preset judgment criteria, analyzes the data collected by the data acquisition unit in the testing process to determine whether the glue gun to be tested is qualified.

[0037] Specifically, after the test is completed, the data collected by the data acquisition unit is analyzed based on preset judgment criteria to determine whether the glue gun under test is qualified, thus providing a reliable basis for glue gun performance evaluation. If the glue gun is found to have abnormal on / off function or glue leakage, it can be considered unqualified, and the relevant departments should be notified in time for repair or replacement. The test results are fed back to the production department to improve the production process and quality control, thereby improving the product quality of the glue guns.

[0038] In some embodiments of the present invention, the detection process for the on / off function detection includes: controlling the glue gun under test to perform multiple consecutive on / off actions; recording the first detection data of the glue gun under test; wherein the first detection result includes the uniformity of glue dispensing from the glue gun under test, the completeness of glue cut-off, and whether there is any action jamming or delay; and determining whether the on / off function of the glue gun under test is normal based on the first detection result.

[0039] Specifically, each glue gun under test is controlled to perform multiple consecutive on / off actions. For example, the glue gun under test is controlled to perform ten consecutive on / off actions, and the uniformity of glue dispensing and the completeness of glue cut-off are observed. The uniformity of glue dispensing, the completeness of glue cut-off, the smoothness of glue dispensing, and whether there are any actions that are stuck or delayed are recorded. Then, based on the above test results, it is determined whether the on / off function of the glue gun under test is normal.

[0040] In some embodiments of the present invention, based on preset judgment criteria, the data collected by the data acquisition unit in the testing process is analyzed to determine whether the glue gun to be tested is qualified, including: in response to the uniformity of glue dispensing, the completeness of glue cut-off, and whether there is any action jamming or delay in the glue gun to be tested meeting the preset judgment criteria, it is determined that the on / off function of the glue gun to be tested is normal.

[0041] Specifically, if the uniformity of glue dispensing, the completeness of glue cut-off, and the absence of any sticking or delay in the action of the glue gun under test meet the preset judgment criteria, the glue gun's on / off function is determined to be normal. If the uniformity of glue dispensing, the completeness of glue cut-off, and the absence of any sticking or delay in the action of the glue gun under test do not meet the preset judgment criteria, the glue gun's on / off function is determined to be abnormal.

[0042] In some embodiments of the present invention, the detection process for glue leakage detection includes: continuously supplying pressure to the glue gun to be tested based on a preset rated pressure for a period of time; recording second detection data of the glue gun to be tested during or after the pressure holding period; wherein, the second detection result includes the amount of medium leakage at the nozzle, sealing ring and interface of the glue gun to be tested; and determining whether the glue leakage detection of the glue gun to be tested is qualified based on the second detection result.

[0043] Specifically, based on a preset rated pressure (e.g., 0.5–0.7 MPa), pressure is continuously supplied to the glue gun to be tested for a period of time (e.g., 5 minutes). During or after the pressure holding period, test paper is used to wipe the nozzle, sealing ring, and interface of the glue gun. The leakage of the test medium at the nozzle, sealing ring, and interface of the glue gun is weighed and calculated, and the leakage of the test medium at the nozzle, sealing ring, and interface of the glue gun to be tested is recorded. Based on the above test results, it is determined whether the glue leakage test of the glue gun to be tested is qualified.

[0044] In some embodiments of the present invention, based on preset judgment criteria, the data collected by the data acquisition unit in the detection process is analyzed to determine whether the glue gun to be tested is qualified, including: comparing the amount of medium leakage with a preset leakage threshold; in response to the amount of medium leakage not being greater than the preset leakage threshold, the glue gun to be tested is determined to be qualified for glue leakage detection.

[0045] Specifically, the leakage rate of the medium is compared with a preset leakage threshold (e.g., 0.1 g / min). It is determined whether the leakage rate is not greater than the preset threshold. If the leakage rate is not greater than the preset threshold, the glue gun under test passes the leakage test. If the leakage rate is greater than the preset threshold, the glue gun under test fails the leakage test.

[0046] In some embodiments of the present invention, the detection medium is petroleum jelly.

[0047] Specifically, using petroleum jelly as a testing medium has the advantages of moderate viscosity, good lubricity, low freezing point, high chemical stability, and non-toxicity.

[0048] In some embodiments of the present invention, in the detection process of adhesive leakage detection, the preset rated pressure is increased and / or the holding time is extended to simulate extreme working conditions.

[0049] Specifically, in the detection process of glue leakage detection, the preset rated pressure (such as up to 0.7MPa) and the pressure holding time (such as 8min) are adjusted to simulate extreme working conditions and improve the fault detection rate.

[0050] Alternatively, in the process of detecting adhesive leakage, the preset rated pressure (e.g., up to 0.7 MPa) can be adjusted to simulate extreme working conditions and improve the fault detection rate.

[0051] Alternatively, in the process of detecting glue leakage, the holding time can be extended (e.g., 8 minutes) to simulate extreme working conditions and improve the fault detection rate.

[0052] In some embodiments, if either the on / off function or the leakage test of the glue gun fails, the fault point is marked, the system is returned to the maintenance stage, and the failure is recorded in a relevant form (such as the "Glue Gun Test Record Form"). If both the on / off function and the leakage test of the glue gun pass, a pass label is affixed, and the glue gun can then be put into online use.

[0053] In some embodiments, the disassembly and assembly process of the glue gun can be simplified, and the testing time for a single glue gun can be controlled within 10 minutes; it can support dynamic adjustment of test parameters according to the on-site failure mode to ensure system adaptability.

[0054] Therefore, this invention constructs a highly simulated testing environment and standardized process, comprehensively detecting glue gun switching and leakage to intercept unqualified glue guns at the source, avoiding production downtime caused by glue gun malfunctions, thereby improving the glue gun pass rate; ensuring production continuity and quality stability: ensuring that each glue gun undergoes performance verification before going online, significantly reducing unplanned downtime and body rework caused by glue gun problems, improving production cycle compliance and body sealing quality; reducing maintenance costs and resource waste: avoiding repeated debugging and verification on the production line, reducing manpower input, glue waste, and hazardous waste generation. It is estimated that the rework cost per vehicle is reduced by approximately 200 yuan, resulting in annual maintenance savings of over 100,000 yuan. The invention also enhances data traceability and process control capabilities: by recording test data for each glue gun, a quality archive is established, providing data support for subsequent fault analysis and preventative maintenance, thus shifting maintenance work from "post-event remediation" to "pre-event prevention." Furthermore, the invention improves maintenance efficiency and ease of operation: the standardized and modular design of the testing process allows maintenance personnel to operate independently after training, with a single glue gun test time of ≤10 minutes, significantly improving maintenance efficiency. In summary, this invention, through systematic hardware design, process standardization, and data management, achieves efficient and accurate judgment of glue gun status, providing reliable technical support for the stable operation of the glue-applying robot and the assurance of vehicle body quality.

[0055] In summary, the glue gun status detection method for a glue-applying robot according to embodiments of the present invention includes: constructing a detection system simulating a real production environment, the detection system including a glue gun fixing device, a glue supply pipeline, a control module, and a data acquisition unit; installing the glue gun to be tested on the glue gun fixing device and connecting it to the glue supply pipeline; injecting a detection medium with a preset viscosity into the glue supply pipeline; controlling the detection system through the control module to sequentially execute a detection process including at least a gun on / off function test and a glue leakage test; and analyzing the data collected by the data acquisition unit during the detection process based on a preset judgment standard to determine whether the glue gun to be tested is qualified. Therefore, this method can solve the quality problems such as glue leakage, glue strip splitting, and solenoid valve incomplete closure caused by glue guns being used directly after maintenance without system testing. It can simulate a real production environment, achieve comprehensive testing of the key performance of the glue gun, ensure that it meets the usage standards before going online, and guarantee that the maintained glue gun can be directly replaced for use on the production line, avoiding quality problems such as glue leakage and glue strip splitting.

[0056] It should be noted that the above description describes some embodiments of the present invention. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps described in the claims may be performed in a different order than that shown in the above embodiments and still achieve the desired results. Furthermore, the processes depicted in the drawings do not necessarily require a specific or sequential order to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0057] Corresponding to the above embodiments, the present invention also proposes a detection system.

[0058] like Figure 2 As shown, the detection system of the present invention includes a detection stand, a glue gun fixing device, a glue supply pipeline, a control module, and a data acquisition unit.

[0059] Furthermore, the glue gun fixing device is installed on the testing stand. The testing stand adopts a modular design. The glue gun fixing device can fix the glue gun to be tested and simulate the on-site installation posture of the glue gun to be tested (such as 45° tilt). The glue gun fixing device adopts an adjustable angle bracket. The bracket material is stainless steel, which has corrosion resistance and high strength characteristics, ensuring that the glue gun posture is consistent with the on-site posture during the test.

[0060] Furthermore, the adhesive supply pipeline includes a test medium storage tank, an adhesive pump (model C63-100), and a branch valve connected in sequence, ultimately connecting to the adhesive gun to be tested on the adhesive gun mounting device. The connection sequence of the adhesive supply pipeline is: adhesive pump outlet → adhesive hose → branch valve → adhesive gun inlet → test medium storage tank, forming the adhesive gun supply system. The electrical connection uses a PLC (Programmable Logic Controller) control system to achieve linkage between adhesive gun switching, time acquisition, and solenoid valve control. Vaseline is used as the test medium; its viscosity is similar to that of the adhesive used on site, and it is easy to clean, avoiding clogging of the pipeline.

[0061] Furthermore, the control module is electrically connected to the glue pump, branch valve, and glue gun to be tested, and can control the execution of the testing process. The control module integrates an independent switch button, a solenoid valve response speed display interface, and supports manual / automatic mode switching.

[0062] Furthermore, the data acquisition unit is electrically connected to the glue pump, the branch valve, and the glue gun to be tested, and the data acquisition unit can collect data in the testing process.

[0063] Furthermore, the connection between the glue supply line and the glue gun to be tested is a pressure-resistant line with a pressure resistance range of not less than 1.5MPa, and is equipped with a quick connector.

[0064] In some embodiments, this solution applies to all equipment that uses robots to attach externally mounted glue guns, especially glue-applying robots in painting workshops. The measuring device highly replicates the actual equipment on-site, the judgment criteria are set based on actual production data, and the test bench body and fixing device can be made of any high-strength, corrosion-resistant material. By constructing an independent, modular testing system, the system simulates the actual working posture and glue supply pressure of the glue gun on the production line, and performs standardized tests on the glue gun's on / off function, glue leakage, and solenoid valve sealing after maintenance, ensuring that its performance meets the standards before going online. It integrates adjustable parameters and a fault reproduction mechanism, simulating extreme working conditions by adjusting the glue supply pressure and test duration, and uses quick connectors and PLC control to achieve rapid disassembly and assembly of the glue gun, automation of the testing process, and traceability of test data.

[0065] In summary, the testing system according to an embodiment of the present invention includes: a testing stand; a glue gun fixing device, installed on the testing stand, for fixing the glue gun to be tested and simulating the on-site installation posture of the glue gun to be tested; a glue supply pipeline, including a testing medium storage tank, a glue pump, and a branch valve connected in sequence, and finally connected to the glue gun to be tested on the glue gun fixing device; a control module, electrically connected to the glue pump, the branch valve, and the glue gun to be tested, for controlling the execution of the testing process; and a data acquisition unit, electrically connected to the glue pump, the branch valve, and the glue gun to be tested, for acquiring data in the testing process. Therefore, this system can solve the quality problems such as glue leakage, glue strip splitting, and solenoid valve failure caused by glue guns being used directly after maintenance without system testing. It can simulate a real production environment, achieve comprehensive testing of the key performance of the glue gun, ensure that it meets the usage standards before being put into production, and guarantee that the maintained glue gun can be directly replaced for use on the production line, avoiding quality problems such as glue leakage and glue strip splitting.

[0066] Furthermore, although the operations of the method of the present invention are described in a specific order in the accompanying drawings, this does not require or imply that these operations must be performed in that specific order, or that all of the operations shown must be performed to achieve the desired result. Rather, the steps depicted in the flowchart may be performed in a different order. Additionally or alternatively, certain steps may be omitted, multiple steps may be combined into one step, and / or one step may be broken down into multiple steps.

[0067] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this invention should have the ordinary meaning understood by those skilled in the art. The terms "first," "second," and similar terms used in the embodiments of this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0068] While the spirit and principles of the invention have been described with reference to several specific embodiments, it should be understood that the invention is not limited to the disclosed specific embodiments, and the division of aspects does not imply that features in these aspects cannot be combined for benefit; such division is merely for ease of description. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. The scope of the appended claims is to be interpreted in the broadest sense, thereby encompassing all such modifications and equivalent structures and functions.

Claims

1. A method for detecting the status of a glue gun in a glue-applying robot, characterized in that, include: A testing system simulating a real production environment is constructed. The testing system includes a glue gun fixing device, a glue supply pipeline, a control module, and a data acquisition unit. The glue gun to be tested is installed on the glue gun fixing device and connected to the glue supply line; Inject a detection medium with a preset viscosity into the glue supply pipeline; The control module controls the detection system to sequentially execute a detection process that includes at least gun on / off function detection and glue leakage detection. Based on preset judgment criteria, the data collected by the data acquisition unit in the detection process is analyzed to determine whether the glue gun to be tested is qualified.

2. The method for detecting the state of the glue gun in a glue-applying robot according to claim 1, characterized in that, The detection process for the switch gun function includes: Control the glue gun to be tested to perform multiple consecutive on / off actions; Record the first test data of the glue gun to be tested; wherein, the first test result includes the uniformity of glue dispensing from the glue gun to be tested, the completeness of glue cut-off, and whether there is any action jamming or delay; Based on the first test result, it is determined whether the on / off function of the glue gun under test is normal.

3. The method for detecting the state of the glue gun in a glue-applying robot according to claim 2, characterized in that, The step of analyzing the data collected by the data acquisition unit in the testing process based on preset judgment criteria to determine whether the glue gun to be tested is qualified includes: If the uniformity of glue dispensing from the glue gun under test, the completeness of glue cut-off, and the presence of any action jamming or delay meet the preset judgment criteria, it is determined that the on / off function of the glue gun under test is normal.

4. The method for detecting the state of the glue gun in a glue-applying robot according to claim 1, characterized in that, The detection process for leak detection includes: The glue gun to be tested is continuously supplied with pressure based on a preset rated pressure for a certain holding time. During or after the pressure holding period, the second test data of the glue gun to be tested is recorded; wherein, the second test result includes the amount of leakage of the test medium at the nozzle, sealing ring and interface of the glue gun to be tested; Based on the second test result, it is determined whether the glue leakage test of the glue gun to be tested is qualified.

5. The method for detecting the state of the glue gun in a glue-applying robot according to claim 4, characterized in that, The step of analyzing the data collected by the data acquisition unit in the testing process based on preset judgment criteria to determine whether the glue gun to be tested is qualified includes: The amount of medium leakage is compared with a preset leakage threshold. In response to the fact that the amount of medium leakage is not greater than the preset leakage threshold, the glue gun to be tested is deemed to have passed the glue leakage test.

6. The method for detecting the state of the glue gun in a glue-applying robot according to claim 1, characterized in that, The detection medium is petroleum jelly.

7. The method for detecting the state of the glue gun in a glue-applying robot according to claim 4, characterized in that, In the detection process for leak detection, the preset rated pressure is increased and / or the pressure holding time is extended to simulate extreme working conditions.

8. A detection system, characterized in that, The method for detecting the state of the glue gun of a glue-applying robot as described in any one of claims 1-7 includes: Testing bench; A glue gun fixing device is installed on the testing stand to fix the glue gun to be tested and simulate the on-site installation posture of the glue gun to be tested; The glue supply line includes a test medium storage tank, a glue pump, and a branch valve connected in sequence, and is finally connected to the glue gun to be tested on the glue gun fixing device. The control module is electrically connected to the glue pump, the branch valve and the glue gun to be tested, and is used to control the execution of the testing process; The data acquisition unit is electrically connected to the glue pump, the branch valve, and the glue gun to be tested, and is used to acquire data during the testing process.

9. The detection system according to claim 8, characterized in that, The glue gun fixing device is an angle-adjustable bracket, and the bracket is made of stainless steel.

10. The detection system according to claim 8, characterized in that, The connection between the glue supply line and the glue gun to be tested is a pressure-resistant line with a pressure resistance range of not less than 1.5MPa and is equipped with a quick connector.

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