Multi-station magnetic device automatic testing machine

By designing a multi-station automatic testing machine for magnetic components and adopting an automated layout and robotic arm components, the problems of low testing efficiency and poor reliability of magnetic electronic components in existing technologies have been solved. This has enabled a highly efficient, accurate, and stable testing process, thereby improving the production quality of new energy vehicle controllers.

CN224185338UActive Publication Date: 2026-05-01DONGGUAN BOZHAN MACHINERY SCI & TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DONGGUAN BOZHAN MACHINERY SCI & TECH CO LTD
Filing Date
2025-05-20
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Currently, the testing of magnetic electronic components mainly relies on manual or semi-automatic methods, which are inefficient, easily affected by human factors, and difficult to achieve high levels of automation and precision, thus failing to meet the high efficiency and high quality requirements of new energy vehicle controller production.

Method used

Design a multi-station automatic testing machine for magnetic devices, including a frame, a feeding and conveying device, a testing device, a picking device, and a unloading device. It adopts an automated layout and various robotic arm components to achieve efficient and accurate testing of magnetic devices.

Benefits of technology

It achieves a high degree of automation and continuity in the testing process of magnetic devices, improves production efficiency and the reliability of test results, reduces manual intervention, and ensures the stability and consistency of product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of magnetic device testing, in particular to a multi-station magnetic device automatic testing machine which comprises a rack, a feeding conveying device, a testing device, a material taking device and a discharging device, and the feeding conveying device, the testing device, the material taking device and the discharging device are sequentially arranged on the rack. The feeding conveying device is used for feeding magnetic devices, and the material taking device is used for grabbing the magnetic devices from the feeding conveying device, placing the magnetic devices on the testing device for testing and carrying the tested magnetic devices to the discharging device; the material taking device comprises a portal frame, an alternate carrying assembly and a sorting and material taking assembly. The alternate carrying assembly is used for carrying the magnetic devices on the feeding and conveying device and the testing device. According to the utility model, the high-efficiency, accurate and stable testing process of the magnetic device is realized, the product quality and the production efficiency are improved, and remarkable technical advantages and application values are realized.
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Description

Multi-station automatic testing machine for magnetic components Technical Field

[0001] This utility model relates to the field of magnetic device testing technology, and in particular to a multi-station automatic testing machine for magnetic devices. Background Technology

[0002] As one of the core components of a new energy vehicle, the performance and reliability of the controller directly affect the overall safety and efficiency of the vehicle. Magnetic electronic components, as a key part of the new energy vehicle controller, play an indispensable role in many functions such as current control and signal transmission. During the production process, magnetic electronic components need to undergo multiple rigorous tests to ensure that their performance indicators meet high standards.

[0003] However, current testing primarily relies on manual or semi-automatic methods. Manual testing is not only inefficient and susceptible to subjective human error, leading to biased results, but also prone to human error over extended periods, impacting product quality stability. While semi-automatic testing improves efficiency to some extent, it still requires significant human intervention, making it difficult to achieve high levels of automation and precision. With the rapid expansion of the new energy vehicle market, the demands for production efficiency and product quality are increasing. Traditional manual or semi-automatic testing methods are gradually becoming insufficient to meet the needs of large-scale, high-quality production.

[0004] Therefore, there is an urgent need to develop a highly automated and accurate testing system to improve the efficiency and reliability of testing magnetic electronic components and ensure the production quality of new energy vehicle controllers. Summary of the Invention

[0005] To address the aforementioned issues, this invention provides a multi-station automatic testing machine for magnetic devices that achieves high efficiency, accuracy, and stability in the testing process, thereby improving product quality and production efficiency. It possesses significant technical advantages and application value.

[0006] The technical solution adopted by this utility model is as follows: a multi-station automatic testing machine for magnetic devices, including a frame, a feeding conveyor, a testing device, a picking device, and a unloading device. The feeding conveyor, testing device, picking device, and unloading device are sequentially arranged on the frame. The feeding conveyor is used for feeding magnetic devices. The picking device is used for picking up magnetic devices from the feeding conveyor and placing them on the testing device for testing, and for transporting the tested magnetic devices to the unloading device. The picking device includes a gantry frame, an alternating conveying assembly, and a sorting and picking assembly. The alternating conveying assembly is used for transporting magnetic devices on the feeding conveyor and the testing device. The sorting and picking assembly is used for transporting magnetic devices from the testing device to the unloading device. The testing device includes a Y-axis transmission module, a testing station, a testing fixture, an upper testing module, and a lower testing module. A Y-axis testing bracket is provided on the Y-axis transmission module, and multiple testing fixtures are arranged side by side on the Y-axis testing bracket. The upper testing module and the lower testing module are arranged opposite each other to test the magnetic devices on the testing fixtures.

[0007] A further improvement to the above solution is that the feeding and conveying device includes a conveying support, a conveyor belt, a conveying roller, a positioning fixture, and a conveying drive assembly. The conveying roller is mounted on the conveying support, the conveyor belt is connected to the conveying roller, and the conveying drive assembly is used to drive the conveying roller to drive the conveyor belt for transmission. Multiple positioning fixtures are provided, and the multiple positioning fixtures are continuously arranged along the conveying direction of the conveyor belt.

[0008] A further improvement to the above solution is that a barcode scanning component is provided on the conveying bracket, which is used to scan the magnetic devices on the positioning fixture. A detection sensor is provided on one side of the conveying bracket located on the barcode scanning component, which is used to detect the conveying and passing of the positioning fixture.

[0009] A further improvement to the above solution is that the alternating transport assembly includes a first linear transmission module, a first transport connecting plate, and a plurality of first transport manipulators. The plurality of first transport manipulators are arranged linearly on the first transport connecting plate and are continuously arranged along the transmission direction of the first linear transmission module.

[0010] A further improvement to the above solution is that the first handling robot includes a first lifting drive module, a first connecting seat, a first clamping drive module, and a first clamping plate. The first lifting drive module is disposed on the first handling connecting plate, the first connecting seat is disposed on the first lifting drive module, the first clamping drive module is disposed on the first connecting seat, and the first clamping plate is disposed on the first clamping drive module.

[0011] A further improvement to the above solution is that the first clamping drive module is a clamping cylinder with mirror transmission, and two first clamping plates are provided and are arranged opposite each other on the first clamping drive module. A first clamping groove is provided on the opposite side of the two first clamping plates, and a first rubber pad is provided on the first clamping groove.

[0012] A further improvement to the above solution is that the sorting and picking assembly includes a second linear drive module, a transport connecting plate, and a second transport robot, wherein the second transport robot is mounted on the transport connecting plate.

[0013] A further improvement to the above solution is that the second handling robot includes a second lifting drive module, a second connecting seat, a second clamping drive module, and a second clamping plate. The second lifting drive module is disposed on the handling connecting plate, the second connecting seat is disposed on the second lifting drive module, the second clamping drive module is disposed on the second connecting seat, and the second clamping plate is disposed on the second clamping drive module.

[0014] A further improvement to the above solution is that the second clamping drive module is a clamping cylinder with mirror transmission, and two second clamping plates are provided and are arranged opposite each other on the second clamping drive module. A second clamping groove is provided on the opposite side of the two second clamping plates, and a second rubber pad is provided on the second clamping groove.

[0015] A further improvement to the above solution is that the feeding device includes a defective partition storage component and a good product discharge component. The defective partition storage component includes multiple sets of defective conveyor belts arranged in parallel, and the good product discharge component is located on one side of the defective partition storage component.

[0016] A further improvement to the above solution is that the Y-axis transmission module includes a Y-axis transmission bracket, a Y-axis linear module, and a Y-axis support rail. The Y-axis linear module and the Y-axis support rail are both mounted on the Y-axis transmission bracket. The Y-axis test bracket is mounted on the Y-axis linear module and the Y-axis support rail. The Y-axis linear module is used to drive the Y-axis test bracket to slide along the Y-axis support rail. A product detection bracket is provided on one side of the Y-axis transmission bracket. The product detection bracket is equipped with multiple detection sensors for sensing the product in the test fixture.

[0017] A further improvement to the above solution is that the test fixture includes a test fixing groove, a test through groove, and a test support platform. The test fixing groove is used to fix the magnetic device, the test through groove is used to align the upper and lower surfaces of the magnetic core device with the upper test module and the lower test module, respectively, and the test support platform is used to support and fix one side of the magnetic device.

[0018] A further improvement to the above scheme is that the upper test module includes an upper test connecting frame, an upper test driving cylinder, an upper test mounting frame, and an upper test contact probe. The upper test connecting frame is mounted on a gantry frame, the upper test driving cylinder is mounted on the upper test connecting frame, the upper test mounting frame is mounted on the driving end of the upper test cylinder, and the upper test contact probe is mounted on the upper test mounting frame to contact the upper surface of the magnetic core device.

[0019] A further improvement to the above scheme is that the lower test module includes a lower test drive cylinder, a lower test connecting frame, and a lower test contact probe. The lower test connecting frame is disposed at the drive end of the lower test drive cylinder, and the lower test contact probe is disposed on the lower test connecting frame to contact the lower surface of the magnetic core device.

[0020] The beneficial effects of this utility model are:

[0021] Compared to existing magnetic device testing methods, this invention employs an automated design. From an overall layout perspective, the feeding and conveying device, testing device, material handling device, and unloading device are sequentially arranged on the frame, achieving a high degree of automation and continuity in the magnetic device testing process. Each device has a clear division of labor and works closely together, greatly improving production efficiency, reducing manual intervention, and minimizing labor costs and the impact of human factors on test results. The feeding and conveying device can stably and efficiently provide magnetic devices to subsequent processes, ensuring timely material supply and guaranteeing the smooth operation of the entire testing process.

[0022] The gantry frame of the material handling device provides a stable support structure for the alternating transport and sorting components, ensuring the stability and accuracy of the transport process. The alternating transport component enables rapid and accurate transport of magnetic devices between the feeding conveyor and the testing device, and its alternating working mode further improves transport efficiency. The sorting component accurately transports the tested magnetic devices to the unloading device, achieving effective classification and transfer of magnetic devices in different states. The Y-axis transmission module of the testing device can precisely control the position of the testing station, ensuring accurate placement of the testing fixture. Multiple testing fixtures are arranged side by side on the Y-axis testing bracket, enabling simultaneous testing at multiple stations and greatly increasing the testing throughput. The upper and lower testing modules are arranged opposite each other, allowing for comprehensive and accurate testing of magnetic devices from different directions, improving the reliability and completeness of test results, and effectively detecting whether the various performance indicators of magnetic devices meet the standards, providing strong assurance for product quality. This invention achieves high efficiency, accuracy, and stability in the magnetic device testing process, improving product quality and production efficiency, and has significant technical advantages and application value. Attached Figure Description

[0023] Figure 1 is a three-dimensional schematic diagram of the multi-station automatic testing machine for magnetic devices according to this utility model;

[0024] Figure 2 is a front view schematic diagram of the multi-station magnetic device automatic testing machine in Figure 1;

[0025] Figure 3 is a schematic diagram of the feeding and conveying device of the multi-station magnetic device automatic testing machine in Figure 1;

[0026] Figure 4 is a schematic diagram of the material handling device of the multi-station magnetic device automatic testing machine in Figure 1;

[0027] Figure 5 is an enlarged view of point A in Figure 4;

[0028] Figure 6 is an enlarged view of point B in Figure 4;

[0029] Figure 7 is a schematic diagram of the testing device of the multi-station magnetic device automatic testing machine in Figure 1;

[0030] Figure 8 is a schematic diagram of the testing device of the multi-station magnetic device automatic testing machine in Figure 1 from another perspective;

[0031] Figure 9 is an enlarged view of point A in Figure 8.

[0032] Explanation of reference numerals in the attached drawings: Frame 1, Feeding and conveying device 2, Conveying bracket 21, Barcode scanning assembly 211, Conveyor belt 22, Conveying roller 23, Positioning fixture 24, Conveying drive assembly 25, Testing device 3, Y-axis transmission module 31, Y-axis transmission bracket 311, Y-axis linear module 312, Y-axis support guide rail 313, Testing station 32, Testing fixture 33, Testing fixing groove 331, Testing through groove 332, Testing support platform 333, Upper testing module 34, Upper testing connecting frame 341, Upper testing drive cylinder 342, Upper testing mounting frame 343, Upper testing contact probe 344, Lower testing module 35, Lower testing drive cylinder 351, Lower testing connecting frame 352, Lower testing contact probe 3 53. Material handling device 4. Gantry frame 41. Alternating transport assembly 42. First linear drive module 421. First transport connecting plate 422. First transport robot 423. First lifting drive module 4231. First connecting seat 4232. First clamping drive module 4233. First clamping plate 4234. First rubber pad 4235. Sorting and material handling assembly 43. Second linear drive module 431. Transport connecting plate 432. Second transport robot 433. Second lifting drive module 4331. Second connecting seat 4332. Second clamping drive module 4333. Second clamping plate 4334. Second rubber pad 4335. Unloading device 5. Defective product partition storage assembly 51. Good product unloading assembly 52. Detailed Implementation

[0033] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0034] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0036] As shown in Figures 1 to 9, in one embodiment of this utility model, a multi-station automatic testing machine for magnetic devices is disclosed, comprising a frame 1, a feeding conveyor 2, a testing device 3, a picking device 4, and a unloading device 5. The feeding conveyor 2, the testing device 3, the picking device 4, and the unloading device 5 are sequentially arranged on the frame 1. The feeding conveyor 2 is used for feeding magnetic devices, and the picking device 4 is used for picking up magnetic devices from the feeding conveyor 2 and placing them on the testing device 3 for testing, and for transporting the tested magnetic devices to the unloading device 5. The picking device 4 includes a gantry frame 41 and an alternating transport assembly 4. 2. A sorting and picking component 43 is used. The alternating transport component 42 is used to transport magnetic devices on the loading conveyor 2 and the testing device 3. The sorting and picking component 43 is used to transport magnetic devices from the testing device 3 to the unloading device 5. The testing device 3 includes a Y-axis transmission module 31, a testing station 32, a testing fixture 33, an upper testing module 34, and a lower testing module 35. A Y-axis testing bracket is provided on the Y-axis transmission module 31, and multiple testing fixtures 33 are arranged side by side on the Y-axis testing bracket. The upper testing module 34 and the lower testing module 35 are arranged opposite each other to test the magnetic devices on the testing fixtures 33. This embodiment adopts an automated design. From the overall layout, the loading conveyor 2, the testing device 3, the picking device 4, and the unloading device 5 are arranged sequentially on the frame 1, realizing a high degree of automation and continuity in the magnetic device testing process. The various devices have clear division of labor and close cooperation, which greatly improves production efficiency, reduces manual intervention, and reduces labor costs and the impact of human factors on the test results. The feeding and conveying device 2 can stably and efficiently provide magnetic devices for subsequent processes, ensuring timely material supply and guaranteeing the smooth progress of the entire testing process.

[0037] In the above embodiments, the gantry 41 of the material handling device 4 provides a stable support structure for the alternating transport component 42 and the sorting and picking component 43, ensuring the stability and accuracy of the transport process. The alternating transport component 42 realizes the rapid and accurate transport of magnetic devices between the feeding conveyor 2 and the testing device 3, and its alternating working mode further improves the transport efficiency. The sorting and picking component 43 can accurately transport the tested magnetic devices to the unloading device 5, realizing the effective classification and transfer of magnetic devices in different states. The Y-axis transmission module of the testing device 3 can accurately control the position of the testing station 32, ensuring that the testing fixture 33 is accurately positioned. Multiple testing fixtures 33 are arranged side by side on the Y-axis testing bracket, realizing simultaneous testing at multiple stations and greatly increasing the testing throughput. The upper testing module 34 and the lower testing module 35 are arranged opposite each other, enabling comprehensive and accurate testing of magnetic devices from different directions, improving the reliability and completeness of the test results, and effectively detecting whether the various performance indicators of magnetic devices meet the standards, providing a strong guarantee for product quality. This embodiment achieves high efficiency, accuracy, and stability in the testing process of magnetic devices, improving product quality and production efficiency, and has significant technical advantages and application value.

[0038] Referring to Figure 3, the feeding and conveying device 2 includes a conveying support 21, a conveyor belt 22, a conveying roller 23, a positioning fixture 24, and a conveying drive assembly 25. The conveying roller 23 is mounted on the conveying support 21, and the conveyor belt 22 is connected to the conveying roller 23. The conveying drive assembly 25 drives the conveying roller 23 to drive the conveyor belt 22 for transmission. Multiple positioning fixtures 24 are provided, and the multiple positioning fixtures 24 are continuously arranged along the conveying direction of the conveyor belt 22. Specifically, a barcode scanning assembly 211 is provided on the conveying support 21. The barcode scanning assembly 211 is used to scan the magnetic devices on the positioning fixture 24. A detection sensor is provided on one side of the conveying support 21 near the barcode scanning assembly 211 to detect the conveying and passing of the positioning fixture 24. In this embodiment, the coordinated operation of the conveying support 21, the conveyor belt 22, the conveying roller 23, and the conveying drive assembly 25 achieves stable and efficient transmission of the magnetic devices. The conveyor drive assembly 25 precisely drives the conveyor roller 23, causing the conveyor belt 22 to run at a stable speed. This ensures that magnetic components are conveyed to each test station 32 according to the predetermined path and speed, greatly improving the continuity and efficiency of the testing process. Multiple positioning fixtures 24, continuously arranged along the conveyor belt 22, play a crucial role in accurately fixing and positioning the magnetic components. This ensures accurate positioning of the magnetic components during transport, guaranteeing that each component arrives at the test station 32 in a standard position, thereby improving the accuracy and consistency of test results. The barcode scanning assembly 211 scans the magnetic components on the positioning fixtures 24, quickly and accurately obtaining relevant information such as model and batch number, facilitating subsequent data recording and management, and achieving product traceability. Meanwhile, the detection sensor located on one side of the barcode scanning assembly 211 monitors the transport and passage of the positioning fixtures 24 in real time, providing timely feedback on the transport status and ensuring the stable operation of the entire automated testing system.

[0039] Referring to Figures 4-6, the alternating transport assembly 42 includes a first linear transmission module 421, a first transport connecting plate 422, and multiple first transport manipulators 423. The multiple first transport manipulators 423 are linearly arranged on the first transport connecting plate 422, and are continuously arranged along the transmission direction of the first linear transmission module 421. Each first transport manipulator 423 includes a first lifting drive module 4231, a first connecting seat 4232, a first clamping drive module 4233, and a first clamping plate 4234. The first lifting drive module 4231 is positioned on... On the first transport connecting plate 422, the first connecting seat 4232 is disposed on the first lifting drive module 4231, the first clamping drive module 4233 is disposed on the first connecting seat 4232, and the first clamping plate 4234 is disposed on the first clamping drive module 4233; the first clamping drive module 4233 is a mirror-driven clamping cylinder, and two first clamping plates 4234 are disposed opposite to each other on the first clamping drive module 4233. The two first clamping plates 4234 are provided with a first clamping groove on their opposite side, and a first rubber pad 4235 is provided on the first clamping groove. Specifically, the sorting and picking assembly 43 includes a second linear drive module 431, a transport connecting plate 432, and a second transport robot 433, the second transport robot 433 being mounted on the transport connecting plate 432; the second transport robot 433 includes a second lifting drive module 4331, a second connecting seat 4332, a second clamping drive module 4333, and a second clamping plate 4334, the second lifting drive module 4331 being mounted on the transport connecting plate 432, and the second connecting seat 4332 being mounted on the second transport connecting plate 432. On the lifting drive module 4331, the second clamping drive module 4333 is mounted on the second connecting seat 4332, and the second clamping plate 4334 is mounted on the second clamping drive module 4333. The second clamping drive module 4333 is a mirror-driven clamping cylinder. Two second clamping plates 4334 are provided and are arranged opposite each other on the second clamping drive module 4333. A second clamping groove is provided on the opposite side of the two second clamping plates 4334, and a second rubber pad 4335 is provided on the second clamping groove. In this embodiment, the multiple robotic arms of the alternating transport component 42 are linearly arranged and continuously deployed, and in conjunction with the first linear transmission module 421, efficient and continuous transport of magnetic devices is achieved. The first lifting drive module 4231 precisely controls the lifting and lowering of the first connecting seat 4232, so that the first clamping drive module 4233 and the first clamping plate 4234 on it can accurately reach the picking and unloading positions. The mirror-driven clamping cylinder serves as the first clamping drive module 4233, which can stably and symmetrically drive two first clamping plates 4234 with first rubber pads 4235. The first rubber pads 4235 not only increase friction to ensure clamping stability, but also prevent damage to the surface of magnetic devices.Multiple first handling robots 423 work continuously, greatly improving handling efficiency, reducing waiting time between workstations, and ensuring the continuity of the automated testing process. The second linear drive module 431 and the handling connecting plate 432 of the sorting and picking component 43 provide a stable moving base for the second handling robot 433. The second lifting drive module 4331, the second connecting seat 4332, the second clamping drive module 4333, and the second clamping plate 4334 work together, cooperating with the alternating handling component 42 to achieve precise sorting and rapid picking of magnetic devices from specific positions. The mirror-driven second clamping drive module 4333, in conjunction with the second clamping plate 4334 with the second rubber pad 4335, also ensures reliable clamping and non-destructive operation of magnetic devices, further improving the overall stability and testing efficiency of the multi-station automated testing system.

[0040] Referring to Figures 7-9, the Y-axis transmission module 31 includes a Y-axis transmission bracket 311, a Y-axis linear module 312, and a Y-axis support rail 313. Both the Y-axis linear module 312 and the Y-axis support rail 313 are mounted on the Y-axis transmission bracket 311. The Y-axis test bracket is mounted on the Y-axis linear module 312 and the Y-axis support rail 313. The Y-axis linear module 312 drives the Y-axis test bracket to slide along the Y-axis support rail 313. A product detection bracket 314 is provided on one side of the Y-axis transmission bracket 311. Multiple detection sensors 315 are mounted on the product detection bracket 314 to sense the product in the test fixture 33. In this embodiment, the coordinated operation of the Y-axis linear module and the support rail ensures that the Y-axis test bracket can slide accurately and smoothly along the Y-axis direction, greatly improving the accuracy of the test position and enabling the test fixture 33 to accurately reach each test station 32, effectively reducing test errors. Multiple detection sensors 315 are mounted on the product detection bracket 314, enabling them to quickly and sensitively sense the product on the test fixture 33, providing real-time and accurate feedback information for the entire testing process. This helps to promptly detect whether the product is in place and allows for intelligent adjustments to subsequent testing actions based on the detection results. The rational layout of the Y-axis drive bracket and the product detection bracket 314 optimizes the spatial structure of the entire testing equipment, improving its integration and compactness.

[0041] The test fixture 33 includes a test fixing slot 331, a test through slot 332, and a test support platform 333. The test fixing slot 331 is used to fix the magnetic device. The test through slot 332 is used to align the upper and lower surfaces of the magnetic core device with the upper test module 34 and the lower test module 35, respectively. The test support platform 333 is used to support and fix one side of the magnetic device. In this embodiment, the precise fixing of the magnetic device by the test fixing slot 331 ensures the stability of the device position during the test, greatly improving the accuracy and repeatability of the test data. In a multi-station environment, the magnetic device at each station can be reliably fixed, avoiding test errors caused by positional deviations. The test through slot 332 precisely aligns the upper and lower surfaces of the magnetic core device with the corresponding test modules, effectively achieving comprehensive testing. This allows for accurate acquisition of performance parameters at different levels of the magnetic core device, improving the comprehensiveness of the test. Performing this operation simultaneously at multiple stations can significantly improve testing efficiency. The test support platform 333 supports and fixes one side of the magnetic device, further enhancing the stability of the device during testing and preventing it from shaking or shifting during the test.

[0042] The upper test module 34 includes an upper test connecting frame 341, an upper test drive cylinder 342, an upper test mounting frame 343, and an upper test contact probe 344. The upper test connecting frame 341 is mounted on the gantry frame 41, the upper test drive cylinder 342 is mounted on the upper test connecting frame 341, the upper test mounting frame 343 is mounted on the drive end of the upper test cylinder, and the upper test contact probe 344 is mounted on the upper test mounting frame 343 to contact the upper surface of the magnetic core device. Specifically, the lower test module 35 includes a lower test drive cylinder 351, a lower test connecting frame 352, and a lower test contact probe 353. The lower test connecting frame 352 is mounted on the drive end of the lower test drive cylinder 351, and the lower test contact probe 353 is mounted on the lower test connecting frame 352 to contact the lower surface of the magnetic core device. In this embodiment, the reasonable layout of the upper test module 34 enables the upper test contact probe 344 to accurately contact the upper surface of the magnetic core device. The upper test connection frame 341 is securely mounted on the gantry 41, providing stable support for the entire upper test module 34. The upper test drive cylinder 342 drives the upper test mounting frame 343 and the contact probe, allowing for flexible adjustment of the contact force and position to ensure good contact with the upper surface of the magnetic core device, improving the stability of test signal transmission and guaranteeing the accuracy and reliability of the test data from the upper surface. The lower test drive cylinder 351 pushes the lower test connection frame 352, thereby driving the lower test contact probe 353 to effectively contact the lower surface of the magnetic core device. This effectively overcomes minor deviations in the installation position of the magnetic core device, achieving accurate testing of the lower surface from all angles without blind spots.

[0043] The feeding device 5 includes a defective zone storage component 51 and a good product discharge component 52. The defective zone storage component 51 includes multiple sets of defective conveyor belts 22 arranged in parallel, and the good product discharge component 52 is located on one side of the defective zone storage component 51. In this embodiment, the defective zone storage component 51, composed of multiple sets of defective conveyor belts 22 arranged in parallel, can efficiently and accurately classify and collect defective magnetic devices that occur during the testing process. Defective products of different types or generated in different testing stages can be placed on different defective conveyor belts 22, which greatly facilitates the subsequent analysis and processing of defective products, helps to quickly locate the problem points in the production process, and improves the overall production quality. The good product discharge component 52, located on one side of the defective zone storage component 51, can orderly discharge the tested and qualified magnetic devices, ensuring the smooth flow of good products and avoiding confusion between good and defective products. This rationally laid-out feeding device 5 optimizes the material flow of the entire testing process, reduces manual intervention, improves production efficiency, and enhances the stability and reliability of the multi-station magnetic device automatic testing system.

[0044] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. An automatic testing machine for multi-station magnetic devices, characterized in that: The system includes a frame, a feeding conveyor, a testing device, a picking device, and a unloading device. These components are sequentially arranged on the frame. The feeding conveyor is used to feed magnetic components. The picking device is used to pick up magnetic components from the feeding conveyor and place them on the testing device for testing, and to transport the tested magnetic components to the unloading device. The picking device includes a gantry frame, an alternating transport assembly, and a sorting assembly. The alternating transport assembly transports magnetic components between the feeding conveyor and the testing device. The sorting assembly transports magnetic components from the testing device to the unloading device. The testing device includes a Y-axis drive module, a testing station, a testing fixture, an upper testing module, and a lower testing module. The Y-axis drive module is equipped with a Y-axis testing bracket, and multiple testing fixtures are arranged side-by-side on the Y-axis testing bracket. The upper and lower testing modules are positioned opposite each other to test the magnetic components on the testing fixtures.

2. The multi-station automatic testing machine for magnetic devices according to claim 1, characterized in that: The feeding and conveying device includes a conveying support, a conveyor belt, a conveying roller, a positioning fixture, and a conveying drive assembly. The conveying roller is mounted on the conveying support, the conveyor belt is connected to the conveying roller, and the conveying drive assembly is used to drive the conveying roller to drive the conveyor belt for transmission. Multiple positioning fixtures are provided, and the multiple positioning fixtures are arranged continuously along the conveying direction of the conveyor belt.

3. The multi-station automatic testing machine for magnetic devices according to claim 2, characterized in that: The conveying bracket is equipped with a barcode scanning component, which is used to scan the magnetic devices on the positioning fixture. A detection sensor is located on one side of the conveying bracket of the barcode scanning component, which is used to detect the conveying and passing of the positioning fixture.

4. The multi-station automatic testing machine for magnetic devices according to claim 1, characterized in that: The alternating transport assembly includes a first linear transmission module, a first transport connecting plate, and multiple first transport manipulators. The multiple first transport manipulators are linearly arranged on the first transport connecting plate and are continuously arranged along the transmission direction of the first linear transmission module. Each first transport manipulator includes a first lifting drive module, a first connecting seat, a first clamping drive module, and a first clamping plate. The first lifting drive module is disposed on the first transport connecting plate, the first connecting seat is disposed on the first lifting drive module, the first clamping drive module is disposed on the first connecting seat, and the first clamping plate is disposed on the first clamping drive module. The first clamping drive module is a mirror-driven clamping cylinder. Two first clamping plates are disposed opposite each other on the first clamping drive module. A first clamping groove is provided on the opposite side of the two first clamping plates, and a first rubber pad is provided on the first clamping groove.

5. The multi-station automatic testing machine for magnetic devices according to claim 4, characterized in that: The sorting and picking assembly includes a second linear drive module, a transport connecting plate, and a second transport robot. The second transport robot is mounted on the transport connecting plate. The second transport robot includes a second lifting drive module, a second connecting seat, a second clamping drive module, and a second clamping plate. The second lifting drive module is mounted on the transport connecting plate, the second connecting seat is mounted on the second lifting drive module, the second clamping drive module is mounted on the second connecting seat, and the second clamping plate is mounted on the second clamping drive module. The second clamping drive module is a mirror-driven clamping cylinder. Two second clamping plates are provided and are arranged opposite each other on the second clamping drive module. A second clamping groove is provided on the opposite side of the two second clamping plates, and a second rubber pad is provided on the second clamping groove.

6. The multi-station automatic testing machine for magnetic devices according to claim 1, characterized in that: The feeding device includes a defective zone storage component and a good product discharge component. The defective zone storage component includes multiple sets of defective conveyor belts arranged in parallel, and the good product discharge component is located on one side of the defective zone storage component.

7. The multi-station automatic testing machine for magnetic devices according to claim 1, characterized in that: The Y-axis transmission module includes a Y-axis transmission bracket, a Y-axis linear module, and a Y-axis support rail. The Y-axis linear module and the Y-axis support rail are both mounted on the Y-axis transmission bracket. The Y-axis test bracket is mounted on the Y-axis linear module and the Y-axis support rail. The Y-axis linear module is used to drive the Y-axis test bracket to slide along the Y-axis support rail. A product detection bracket is provided on one side of the Y-axis transmission bracket. The product detection bracket is equipped with multiple detection sensors for sensing the product in the test fixture.

8. The multi-station automatic testing machine for magnetic devices according to claim 1, characterized in that: The test fixture includes a test fixing slot, a test through slot, and a test support platform. The test fixing slot is used to fix the magnetic device. The test through slot is used to align the upper and lower sides of the magnetic core device with the upper test module and the lower test module, respectively. The test support platform is used to support and fix one side of the magnetic device.

9. The multi-station automatic testing machine for magnetic devices according to claim 1, characterized in that: The upper test module includes an upper test connecting frame, an upper test drive cylinder, an upper test mounting frame, and an upper test contact probe. The upper test connecting frame is mounted on a gantry frame, the upper test drive cylinder is mounted on the upper test connecting frame, the upper test mounting frame is mounted on the drive end of the upper test cylinder, and the upper test contact probe is mounted on the upper test mounting frame to contact the upper surface of the magnetic core device.

10. The multi-station automatic testing machine for magnetic devices according to claim 9, characterized in that: The lower test module includes a lower test drive cylinder, a lower test connecting frame, and a lower test contact probe. The lower test connecting frame is disposed at the drive end of the lower test drive cylinder, and the lower test contact probe is disposed on the lower test connecting frame to contact the lower surface of the magnetic core device.