Multi-station testing mechanism for magnetic device

By designing a multi-station testing mechanism for magnetic devices, automated handling and multi-item testing were achieved, solving the problems of low efficiency and poor stability in existing technologies, and improving the testing efficiency and accuracy of new energy vehicle controllers.

CN224190152UActive 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, testing of magnetic electronic components relies on manual or semi-automatic methods, which are inefficient and easily affected by subjective human factors, resulting in unstable test results and making it difficult to meet the high standards required for new energy vehicle controllers.

Method used

A multi-station testing mechanism for magnetic devices was designed, including a handling mechanism and a testing mechanism. Multiple sets of handling and gripping modules work together with the testing fixture to achieve automated handling and multi-item testing. Combined with the precise transmission design of the gantry and Y-axis transmission module, the efficient and accurate testing process is ensured.

Benefits of technology

It significantly improves testing efficiency and accuracy, reduces human error, lowers labor costs, optimizes space utilization, improves product quality and consistency, and meets the rapid testing needs of large-scale production.

✦ 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 magnetic device multi-station testing mechanism which comprises a carrying mechanism and a testing mechanism, the carrying mechanism comprises a portal frame, a carrying transmission module, a carrying connecting frame and a carrying grabbing module, and the testing mechanism comprises a Y-axis transmission module, a testing station and a testing jig. The carrying transmission module is arranged on the portal frame, the multiple carrying grabbing modules are arranged, the carrying connecting frame is arranged on the Y-axis transmission module, the multiple carrying grabbing modules are arranged on the carrying connecting frame side by side, the testing station is provided with an upper testing module and a lower testing module, and the upper testing module and the lower testing module are oppositely arranged. Therefore, the magnetic device on the test fixture can be tested. The device is high in automation degree, a series of operations such as carrying of magnetic devices and testing of each item are automatically completed, manual intervention is reduced, and labor cost is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of magnetic device testing technology, and in particular to a multi-station testing mechanism 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] Currently, testing primarily relies on manual or semi-automatic methods. Manual testing is not only inefficient and susceptible to subjective human error, leading to inaccurate results, but also prone to human error over extended periods, impacting product quality stability. 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. Utility Model Content

[0004] To solve the above problems, this utility model is a multi-station testing mechanism for magnetic devices with a high degree of automation, which automatically completes a series of operations such as handling magnetic devices and testing various items, reducing manual intervention and lowering labor costs.

[0005] The technical solution adopted by this utility model is as follows: a multi-station testing mechanism for magnetic devices, including a transport mechanism and a testing mechanism. The transport mechanism includes a gantry frame, a transport transmission module, a transport connecting frame, and a transport gripping module. The testing mechanism includes a Y-axis transmission module, testing stations, and testing fixtures. The transport transmission module is mounted on the gantry frame, and multiple sets of transport gripping modules are provided. The transport connecting frame is mounted on the Y-axis transmission module, and multiple sets of transport gripping modules are arranged side by side on the transport connecting frame. The number of testing stations and testing fixtures is the same as the number of transport gripping modules. 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 testing station is provided with an upper testing module and a lower testing module, which are arranged opposite to each other to test the magnetic devices on the testing fixtures.

[0006] A further improvement to the above scheme is that the gantry includes two supporting columns and a supporting beam, the supporting beam is mounted on the supporting columns, and the transport transmission module is mounted on the supporting beam.

[0007] A further improvement to the above solution is that the transport transmission module includes a transport motor, a transport transmission belt, and a transport guide rail. The transport motor is mounted on a support beam and is connected to the transport transmission belt to drive the transport transmission belt. The transport connecting frame is mounted on the transport guide rail and is connected to the transport transmission belt. The transport transmission belt is used to drive the transport connecting frame to slide along the transport guide rail.

[0008] A further improvement to the above solution is that the handling and gripping module 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 handling connecting frame, 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.

[0009] 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.

[0010] 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.

[0011] A further improvement to the above solution is that a product detection bracket is provided on one side of the Y-axis transmission bracket, and multiple detection sensors are provided on the product detection bracket for sensing the products of the test fixture.

[0012] 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.

[0013] 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.

[0014] 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 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.

[0015] The beneficial effects of this utility model are:

[0016] Compared to existing magnetic core device testing methods, this invention offers significant improvements in testing efficiency. Multiple handling and gripping modules, along with a matching number of testing stations and fixtures, work collaboratively to simultaneously test multiple magnetic devices for various parameters. Automatic withstand voltage testing, automatic insulation testing, automatic capacitance discharge testing, and automatic capacitance testing can be performed in parallel, greatly reducing overall testing time and significantly improving production efficiency, thus meeting the rapid testing needs of large-scale production. Regarding positioning accuracy, the precise transmission design of the handling and gripping module, mounted on the gantry, and the Y-axis transmission module ensures high-precision positioning of the magnetic devices during handling. This allows the magnetic devices to be accurately placed onto the corresponding testing fixtures, ensuring precise testing by both the upper and lower testing modules. This effectively reduces testing errors caused by positioning deviations, improving the accuracy and reliability of test results. In terms of structural layout rationality, multiple test fixtures are arranged side by side on the Y-axis test bracket. This compact and orderly layout effectively utilizes space, enabling the entire testing mechanism to achieve multi-station testing functions within a limited space, reducing the equipment footprint and optimizing the space utilization of the production workshop. This invention boasts a high degree of automation, automatically completing a series of operations such as the handling of magnetic components and various tests, reducing manual intervention. This not only lowers labor costs but also avoids testing errors and instability caused by human factors, further improving product quality and consistency. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the multi-station testing mechanism for magnetic devices of this utility model;

[0018] Figure 2 for Figure 1 A three-dimensional schematic diagram of a multi-station testing mechanism for magnetic devices from another perspective;

[0019] Figure 3 for Figure 2 Enlarged diagram of point A in the diagram;

[0020] Figure 4 for Figure 1 A three-dimensional schematic diagram of a multi-station testing mechanism for magnetic devices from another perspective;

[0021] Figure 5 for Figure 4Enlarged diagram of point B in the image.

[0022] Explanation of reference numerals in the attached drawings: 1. Handling mechanism; 11. Gantry frame; 111. Support column; 112. Support beam; 112. Handling transmission module; 121. Handling motor; 122. Handling transmission belt; 123. Handling guide rail; 13. Handling connecting frame; 14. Handling gripping module; 141. First lifting drive module; 142. First connecting seat; 143. First clamping drive module; 144. First clamping plate; 1441. First clamping groove; 1442. First rubber pad; 2. Testing mechanism; 21. Y-axis transmission module; 211. Y-axis transmission bracket; Y-axis Linear module 212, Y-axis support guide rail 213, test station 22, test fixture 23, test fixing slot 231, test through slot 232, test support platform 233, Y-axis test bracket 24, upper test module 25, upper test connecting frame 251, upper test drive cylinder 252, upper test mounting frame 253, upper test contact probe 254, lower test module 26, lower test drive cylinder 261, lower test connecting frame 262, lower test contact probe 263, product inspection bracket 27, inspection sensor 271. Detailed Implementation

[0023] 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.

[0024] 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.

[0025] 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.

[0026] like Figures 1-5As shown, in one embodiment of this utility model, a multi-station testing mechanism for magnetic devices is disclosed, including a transport mechanism 1 and a testing mechanism 2. The transport mechanism 1 includes a gantry frame 11, a transport transmission module 12, a transport connecting frame 13, and a transport gripping module 14. The testing mechanism 2 includes a Y-axis transmission module 21, a testing station 22, and a testing fixture 23. The transport transmission module 12 is mounted on the gantry frame 11, and multiple sets of the transport gripping module 14 are provided. The transport connecting frame 13 is mounted on the Y-axis transmission module 21. On the transport connecting frame 13, multiple sets of transport and gripping modules 14 are arranged side by side. The number of test stations 22 and test fixtures 23 is the same as the number of transport and gripping modules 14. A Y-axis test bracket 24 is provided on the Y-axis transmission module 21, and multiple test fixtures 23 are arranged side by side on the Y-axis test bracket 24. The test station 22 is provided with an upper test module 25 and a lower test module 26, which are arranged opposite to each other to test the magnetic devices on the test fixtures 23. In terms of testing efficiency, the multiple sets of transport and gripping modules 14, together with a matching number of test stations 22 and test fixtures 23, can simultaneously perform different tests on multiple magnetic devices. Automatic withstand voltage testing, automatic insulation testing, automatic capacitance discharge testing, automatic capacitance testing, and other multi-station tests can be carried out in parallel, greatly shortening the overall testing time, significantly improving production efficiency, and meeting the rapid testing needs in large-scale production. In terms of positioning accuracy, the precise transmission design of the transport transmission module 12, mounted on the gantry 11, and the Y-axis transmission module 21 ensures high-precision positioning of the transport gripping module 14 during the transport of magnetic components. This allows the magnetic components to be accurately placed onto the corresponding test fixtures 23, ensuring that the upper test module 25 and the lower test module 26 can accurately test the magnetic components. This effectively reduces test errors caused by positioning deviations and improves the accuracy and reliability of test results. Regarding the rationality of the structural layout, multiple test fixtures 23 are arranged side-by-side on the Y-axis test bracket 24. This compact and orderly layout effectively utilizes space, enabling the entire testing mechanism 2 to achieve multi-station testing functions within a limited space. This reduces the equipment footprint and optimizes the space utilization of the production workshop. This embodiment has a high degree of automation, automatically completing a series of operations such as the transport of magnetic components and testing of various items. This reduces manual intervention, lowers labor costs, and avoids test errors and instability caused by human factors, further improving product quality and consistency.

[0027] The gantry 11 includes two supporting columns 111 and a supporting beam 112. The supporting beam 112 is mounted on the supporting columns 111, and the transport transmission module 12 is mounted on the supporting beam 112. In this embodiment, the two supporting columns 111 provide a stable foundation for the entire gantry 11, ensuring reliable stability in complex testing environments and effectively avoiding adverse effects on testing accuracy caused by shaking or displacement. The supporting beam 112, mounted on the supporting columns 111, forms a solid load-bearing platform, providing a stable installation position for the transport transmission module 12. The transport transmission module 12, mounted on the supporting beam 112, allows it to operate precisely on a stable track. During the testing of magnetic components, the transport transmission module 12 can accurately transport the magnetic components under test to each testing station 22, ensuring high precision in component positioning and greatly improving testing efficiency and accuracy.

[0028] The transport transmission module 12 includes a transport motor 121, a transport belt 122, and a transport guide rail 123. The transport motor 121 is mounted on the support beam 112 and is connected to the transport belt 122 to drive it. The transport connecting frame 13 is mounted on the transport guide rail 123 and connected to the transport belt. The transport belt 122 drives the transport connecting frame 13 to slide along the transport guide rail 123. In this embodiment, the transport transmission module 12 plays a crucial technical role in the multi-station testing mechanism 2 for magnetic devices. The transport motor 121 is stably mounted on the support beam 112 and precisely connected to the transport belt 122, providing stable and accurate power transmission. The operation of the transport motor 121 precisely drives the transport belt 122, ensuring high efficiency and reliability of power transmission. The transport connecting frame 13 is mounted on the transport guide rail 123 and connected to the transport belt 122. The transport belt 122, through its transmission action, drives the transport connecting frame 13 to slide smoothly along the transport guide rail 123. This enables precise and rapid transfer of magnetic components between different testing stations 22. It ensures smooth transitions between testing stages, effectively improving testing efficiency. Stable sliding along the transport guide 123 significantly improves positioning accuracy and reduces testing errors caused by positional deviations.

[0029] The handling and gripping module 14 includes a first lifting drive module 141, a first connecting seat 142, a first clamping drive module 143, and a first clamping plate 144. The first lifting drive module 141 is mounted on the handling connecting frame 13, the first connecting seat 142 is mounted on the first lifting drive module 141, the first clamping drive module 143 is mounted on the first connecting seat 142, and the first clamping plate 144 is mounted on the first clamping drive module 143. Specifically, the first clamping drive module 143 is a mirror-driven clamping cylinder. Two first clamping plates 144 are provided and are arranged opposite each other on the first clamping drive module 143. A first clamping groove 1441 is provided on the opposite side of the two first clamping plates 144, and a first rubber pad 1442 is provided on the first clamping groove 1441. In this embodiment, the first lifting drive module 141 is mounted on the transport connecting frame 13, which can precisely control the lifting height of the first connecting seat 142, ensuring that the first clamping drive module 143 and the first clamping plate 144 reach the required gripping and placement position of the magnetic component, thereby improving positioning accuracy. The first clamping drive module 143 adopts a mirror-driven clamping cylinder, which can realize the synchronous and stable opening and closing action of the two oppositely arranged first clamping plates 144, ensuring the reliability and consistency of clamping the magnetic component. The first clamping groove 1441 provided on the opposite side of the two first clamping plates 144 can better adapt to the shape of the magnetic component, enhancing gripping stability. The first rubber pad 1442 not only prevents scratches on the surface of the magnetic component during gripping, avoiding affecting its performance, but also increases friction, further stabilizing the gripping effect and ensuring that the magnetic component will not fall or shift during transport.

[0030] The Y-axis drive module 21 includes a Y-axis drive bracket 211, a Y-axis linear module 212, and a Y-axis support rail 213. Both the Y-axis linear module 212 and the Y-axis support rail 213 are mounted on the Y-axis drive bracket 211. The Y-axis test bracket 24 is mounted on the Y-axis linear module 212 and the Y-axis support rail 213. The Y-axis linear module 212 drives the Y-axis test bracket 24 to slide along the Y-axis support rail 213. Specifically, a product detection bracket 27 is provided on one side of the Y-axis drive bracket 211. Multiple detection sensors 271 are mounted on the product detection bracket 27 to sense the product in the test fixture 23. In this embodiment, the Y-axis linear module 212 and the Y-axis support rail 213 work together to precisely drive the Y-axis test bracket 24 to slide stably along a specific path, ensuring the accuracy and repeatability of the test position. This is crucial for high-precision testing of magnetic components and greatly improves the reliability of the test data. The product detection bracket 27 is located on one side of the Y-axis drive bracket 211 and is equipped with multiple detection sensors 271, which can effectively sense the magnetic components on the test fixture 23. The detection sensors 271 can quickly and accurately acquire key information such as the product's position and status, and promptly feed it back to the system to enable rapid response to abnormal situations during testing and avoid test errors. The detection sensors 271 work together to sense and detect the product, ensuring its presence during the testing process.

[0031] The test fixture 23 includes a test fixing slot 231, a test through slot 232, and a test support platform 233. The test fixing slot 231 is used to fix the magnetic device. The test through slot 232 is used to align the upper and lower surfaces of the magnetic core device with the upper test module 25 and the lower test module 26, respectively. The test support platform 233 is used to support and fix one side of the magnetic device. In this embodiment, the test fixing slot 231 precisely fixes the magnetic device, ensuring its stable position during the test and avoiding deviations in test data due to shaking or displacement, thus greatly improving the accuracy and reliability of the test results. The test through slot 232 cleverly and precisely aligns the upper and lower surfaces of the magnetic core device with the corresponding upper and lower test modules 26, realizing comprehensive and efficient magnetic performance testing. It can simultaneously acquire multi-dimensional parameters and fully present the performance characteristics of the magnetic device. The test support platform 233 provides stable support to one side of the magnetic device, enhancing the stability of the entire test process, distributing the pressure during the test, preventing damage to the magnetic device due to uneven force, extending the device's service life, and ensuring the continuity and repeatability of the test.

[0032] The upper test module 25 includes an upper test connecting frame 251, an upper test drive cylinder 252, an upper test mounting frame 253, and an upper test contact probe 254. The upper test connecting frame 251 is mounted on the gantry 11, the upper test drive cylinder 252 is mounted on the upper test connecting frame 251, the upper test mounting frame 253 is mounted on the drive end of the upper test cylinder, and the upper test contact probe 254 is mounted on the upper test mounting frame 253 to contact the upper surface of the magnetic core device. Specifically, the lower test module 26 includes a lower test drive cylinder 261, a lower test connecting frame 262, and a lower test contact probe 263. The lower test connecting frame 262 is mounted on the drive end of the lower test cylinder, and the lower test contact probe 263 is mounted on the lower test connecting frame 262 to contact the lower surface of the magnetic core device. In this embodiment, in the upper test module 25, the upper test connecting frame 251 is stably supported by the gantry frame 11, providing reliable support for the entire upper test structure. The upper test drive cylinder 252 precisely controls the movement of the upper test connecting frame 251, ensuring that the upper test contact probe 254 can accurately reach the upper surface of the magnetic core device, achieving stable contact and ensuring the accuracy and repeatability of testing various parameters of the upper surface. The lower test module 26 also plays a crucial role. The lower test drive cylinder 261 precisely drives the lower test connecting frame 262, causing the lower test contact probe 263 to make close contact with the lower surface of the magnetic core device, completing the relevant tests on the lower surface. The coordinated design of the upper and lower test modules enables simultaneous and comprehensive testing of the upper and lower surfaces of the magnetic core device, greatly improving testing efficiency. The precise drive and positioning system effectively reduces testing errors and enhances the reliability of test data, enabling the multi-station testing mechanism 2 of magnetic devices to efficiently and accurately complete the testing of various performance indicators of magnetic components.

[0033] 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. A multi-station testing mechanism for magnetic devices, characterized in that: The system includes a transport mechanism and a testing mechanism. The transport mechanism comprises a gantry frame, a transport transmission module, a transport connecting frame, and a transport gripping module. The testing mechanism includes a Y-axis transmission module, a testing station, and a testing fixture. The transport transmission module is mounted on the gantry frame. Multiple sets of transport gripping modules are provided. The transport connecting frame is mounted on the Y-axis transmission module, and multiple sets of transport gripping modules are arranged side-by-side on the transport connecting frame. The number of testing stations and testing fixtures is the same as the number of transport gripping modules. 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 testing station is provided with an upper testing module and a lower testing module, which are arranged opposite to each other to test magnetic devices on the testing fixture.

2. The multi-station testing mechanism for magnetic devices according to claim 1, characterized in that: The gantry includes two supporting columns and a supporting beam. The supporting beam is mounted on the supporting columns, and the transport transmission module is mounted on the supporting beam.

3. The multi-station testing mechanism for magnetic devices according to claim 1, characterized in that: The transport transmission module includes a transport motor, a transport transmission belt, and a transport guide rail. The transport motor is mounted on a support beam and is connected to the transport transmission belt to drive the transport transmission belt. The transport connecting frame is mounted on the transport guide rail and is connected to the transport transmission belt. The transport transmission belt is used to drive the transport connecting frame to slide along the transport guide rail.

4. The magnetic device multi-site testing mechanism of claim 1, wherein: The transport and gripping module 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 mounted on the transport connecting frame, the first connecting seat is mounted on the first lifting drive module, the first clamping drive module is mounted on the first connecting seat, and the first clamping plate is mounted on the first clamping drive module.

5. The multi-station testing mechanism for magnetic devices according to claim 4, characterized in that: The first clamping drive module is a clamping cylinder with mirror transmission. There are two first clamping plates arranged opposite each other on the first clamping drive module. The two first clamping plates have a first clamping groove on their opposite side, and a first rubber pad is provided on the first clamping groove.

6. The magnetic device multi-site test mechanism of claim 1, wherein: 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.

7. The multi-station testing mechanism for magnetic devices according to claim 6, characterized in that: A product inspection bracket is provided on one side of the Y-axis transmission bracket, and multiple inspection sensors are provided on the product inspection bracket for sensing the products of the test fixture.

8. The magnetic device multi-site testing mechanism of claim 1, wherein: 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 magnetic device multi-site testing mechanism of claim 1, wherein: 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 testing mechanism 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 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.