Flexible circuit board test tool

By using an electromagnet and cylinder-driven clamping system with gear meshing, the problem of cumbersome operation of existing flexible circuit board testing fixtures is solved, enabling efficient and accurate testing and classification storage of flexible circuit boards.

CN224005218UActive Publication Date: 2026-03-17ZHUHAI BODUN ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Existing flexible circuit board testing fixtures are cumbersome to operate, requiring manual adjustment of clamping screws, resulting in low efficiency and reduced accuracy.

Method used

The clamping system, driven by electromagnets and cylinders, combined with gears and grippers, enables automatic clamping of flexible circuit boards and automatic sorting and storage through positioning frames and elastic components.

Benefits of technology

It improves the efficiency and accuracy of flexible circuit board testing, enables rapid clamping and accurate classification and storage, and reduces operational difficulty and errors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of electronic manufacturing, in particular to a flexible circuit board testing tool which comprises a detector, a rotating seat used for bending a flexible circuit board is fixedly connected to the detector, a clamping block A is fixedly connected to the rotating seat, a clamping block B is slidably connected to the clamping block A, the clamping block A and the clamping block B are used for clamping one end of the flexible circuit board, and the clamping block A and the clamping block B are used for clamping the other end of the flexible circuit board. The detector is fixedly connected with a fixing block, the lower end of the fixing block is fixedly connected with a mounting shell, and an air cylinder is fixedly connected into the fixing block. The clamping block B slides on the clamping block A, one end of the flexible circuit board is rapidly and stably clamped in combination with electromagnetic attraction force generated by electrification of the electromagnet, the air cylinder pushes the push-pull rod and the connecting block, drives the gear to rotate, is meshed with the clamping jaw rack, drives the clamping jaw to slide and clamps the other end of the flexible circuit board, and therefore the two ends of the flexible circuit board are rapidly fixed. And the detection efficiency is effectively improved.
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Description

Technical Field

[0001] This utility model relates to the field of electronic manufacturing, and in particular to a testing fixture for flexible circuit boards. Background Technology

[0002] Flexible circuit board (PCB) testing fixtures are equipment or devices used to test the performance and quality of PCBs. They are tooling equipment manufactured specifically for PCBs, mainly used to test the bending resistance of PCBs to ensure that the predetermined quality is achieved during the manufacturing process. Therefore, using PCB testing fixtures is an important means to ensure product quality and reliability.

[0003] However, existing flexible circuit board testing fixtures require manual loosening of the screws on the clamping part of the testing device before placing the circuit board on it and then tightening the screws again. The operation steps are too cumbersome and time-consuming, which will eventually lead to a decrease in operational accuracy, resulting in errors in test results and an imbalance in data accuracy, thus reducing efficiency. Utility Model Content

[0004] In order to overcome the shortcomings of the above-mentioned cumbersome operation steps of the existing technology, the technical problem of this utility model is to provide a flexible circuit board testing fixture that is easy to operate.

[0005] The technical implementation scheme of this utility model is as follows: A flexible circuit board testing fixture includes a detector, a rotating seat for bending the flexible circuit board is fixedly connected to the detector, a clamping block A is fixedly connected to the rotating seat, a clamping block B is slidably connected to the clamping block A, the clamping blocks A and B are used to clamp one end of the flexible circuit board, a fixing block is fixedly connected to the detector, a mounting shell is fixedly connected to the lower end of the fixing block, a cylinder is fixedly connected inside the fixing block, a push-pull rod is fixedly connected to the telescopic rod of the cylinder, a connecting block is fixedly connected to the lower end of the push-pull rod, a notched gear is symmetrically arranged inside the mounting shell, the mounting shell is rotatably connected to the notched gear, a connecting rod is provided between the notched gear and the connecting block, one end of the connecting rod is rotatably connected to the connecting block, the other end of the connecting rod is fixedly connected to the notched gear, a jaw for clamping the other end of the flexible circuit board is slidably connected inside the mounting shell, and a rack is provided at the top of the jaw, the notched gear and the rack on the jaw mesh with each other, and an electromagnet is fixedly connected to the clamping block A.

[0006] Optionally, the detector also includes a positioning frame, which is symmetrically slidably connected inside the detector. A placement frame is snapped onto the positioning frame, with left and right placement frames for placing qualified and unqualified products, respectively. The placement frame is snapped into the positioning frame. A first elastic element for popping out the placement frame is provided between the placement frame and the detector. One end of the first elastic element is fixedly connected to the detector, and the other end contacts the bottom of the placement frame. The detector is provided with a second elastic element for resetting the positioning frame. There are eight second elastic elements in total, and the second elastic elements are located at the bottom of the four corners of the positioning frame. One end of the second elastic element is fixedly connected to the detector, and the other end of the second elastic element is fixedly connected to the positioning frame.

[0007] Optionally, a protective sleeve is also included, wherein the gripper is fixedly connected to a protective sleeve for preventing damage to the flexible circuit board.

[0008] Optionally, it also includes an anti-slip pad, which is fixedly connected to the positioning frame to prevent slippage during use.

[0009] Optionally, the device may also include a lighting lamp, which is fixedly connected to the detector for illuminating the device.

[0010] Optionally, the detector may also include a storage basket, which is slidably connected to the detector for placing maintenance tools.

[0011] This utility model has the following advantages: 1. By sliding the clamping block B on the clamping block A, combined with the electromagnetic attraction generated by the electromagnet being energized, one end of the flexible circuit board is quickly and stably clamped. The cylinder pushes the push-pull rod and the connecting block, which drives the gear to rotate and mesh with the toothed rack of the clamping claw, driving the clamping claw to slide and clamp the other end of the circuit board, thereby quickly fixing both ends of the flexible circuit board and effectively improving the detection efficiency.

[0012] 2. By placing qualified and unqualified flexible circuit boards into the left and right placement frames respectively, and pushing the positioning frame to overcome the resistance of the second elastic element and slide down inside the detector after the placement frame is full, the positioning frame is released and reset under the action of the second elastic element. The first elastic element helps to pop out the placement frame, so that the flexible circuit boards can be collected in categories, achieving the effect of accurate classification and efficient storage of the tested flexible circuit boards.

[0013] 3. The storage baskets provide a convenient place to store maintenance tools, thereby improving maintenance efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the structure of the rotating seat, clamping block A and clamping block B of this utility model.

[0016] Figure 3 This is a schematic diagram of the structure at point A of this utility model.

[0017] Figure 4 This is a schematic diagram of the positioning frame, the first elastic element, and the second elastic element of this utility model.

[0018] Figure 5 This is a schematic diagram of the exploded structure of this utility model.

[0019] The meanings of the reference numerals in the figure are as follows: 1: detector, 100: rotating seat, 101: clamping block A, 102: clamping block B, 2: fixing block, 3: mounting shell, 4: cylinder, 5: push-pull rod, 6: connecting block, 7: missing gear, 8: connecting rod, 9: gripper, 10: electromagnet, 11: positioning frame, 12: placement frame, 13: first elastic element, 14: second elastic element, 15: protective cover, 16: anti-slip mat, 17: lighting lamp, 18: storage basket. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0021] Example: A flexible circuit board testing fixture, such as Figure 1-5As shown, the device includes a detector 1, a clamping block A101, a clamping block B102, a fixing block 2, a mounting shell 3, a cylinder 4, a push-pull rod 5, a connecting block 6, a missing gear 7, a connecting rod 8, a gripper 9, and an electromagnet 10. A rotating seat 100 for bending the flexible circuit board is fixedly connected to the detector 1. The clamping block A101 is fixedly connected to the rotating seat 100. The clamping block B102 is slidably connected to the clamping block A101. The clamping blocks A101 and B102 are used to clamp one end of the flexible circuit board. The fixing block 2 is fixedly connected to the detector 1. The mounting shell 3 is fixedly connected to the lower end of the fixing block 2. The cylinder 4 is fixedly connected inside the fixing block 2. The extension rod of the cylinder 4 is fixedly connected to the push-pull rod 5. The lower end of the push-pull rod 5 is fixedly connected to the connecting block 6. The mounting shell 3 is symmetrically provided with the missing gear 7. The mounting shell 3 is rotatably connected to the missing gear 7. The missing gear 7 and the connecting block 6 are provided with the connecting rod 8. One end of the connecting rod 8 is rotatably connected to the connecting block 6, and the other end of the connecting rod 8 is fixedly connected to the missing gear 7. The mounting shell 3 is slidably connected with the jaw 9 for clamping the other end of the flexible circuit board. The top of the jaw 9 is provided with a rack. The missing gear 7 and the rack on the jaw 9 mesh with each other. The clamping block A101 is fixedly connected to the electromagnet 10. When the electromagnet 10 is energized, the clamping block B102 is attracted by electromagnetic attraction, thereby achieving stable clamping of one end of the flexible circuit board.

[0022] When using the device, first de-energize the electromagnet 10. At this time, the clamping block B102 is in a movable state. Place one end of the flexible circuit board in a suitable position between the clamping block A101 and the clamping block B102. Then, energize the electromagnet 10, which uses electromagnetic attraction to attract the clamping block B102, thereby stably clamping one end of the flexible circuit board. Activate the cylinder 4. The extension rod of the cylinder 4 extends, driving the push-pull rod 5 downward. The connecting block 6 at the lower end of the push-pull rod 5 moves downward synchronously. The connecting block 6 drives the symmetrically arranged missing gears 7 inside the mounting shell 3 to rotate through the connecting rod 8. When the missing gear 7 rotates, it meshes with the rack at the top of the gripper 9, thereby driving the gripper 9 to slide within the mounting housing 3 and firmly clamp the other end of the flexible circuit board. After clamping the circuit board, the rotating seat 100 fixedly connected to the detector 1 is used to bend the flexible circuit board to test its bending resistance. Through the above operation, the two ends of the flexible circuit board can be fixed quickly, effectively improving the testing efficiency.

[0023] like Figure 1 , 4As shown in Figure 5, the detector 1 also includes a positioning frame 11, a placement frame 12, a first elastic element 13, and a second elastic element 14. The positioning frame 11 is symmetrically slidably connected inside the detector 1. The placement frame 12 is snapped onto the positioning frame 11. The left and right placement frames 12 are respectively used to place qualified and unqualified products. The placement frame 12 is snapped into the positioning frame 11. A first elastic element 13 is provided between the placement frame 12 and the detector 1 for ejecting the placement frame 12. One end of the first elastic element 13 is fixedly connected to the detector 1, and the other end contacts the bottom of the placement frame 12. The detector 1 contains eight second elastic elements 14 for resetting the positioning frame 11. The second elastic elements 14 are located at the four bottom corners of the positioning frame 11. One end of each second elastic element 14 is fixedly connected to the detector 1, and the other end is fixedly connected to the positioning frame 11. The detector 1 also includes a lighting lamp 17, which is fixedly connected to the detector 1 for illuminating the device.

[0024] During the bending process, the detector 1 can monitor and record relevant data in real time for subsequent analysis. If lighting is required during the test, the lighting lamp 17 fixedly connected to the detector 1 can be turned on to provide sufficient light for the test. After the test is completed, the flexible circuit board is judged to be qualified based on the test results. Qualified and unqualified flexible circuit boards are placed into different placement frames 12 respectively. When the placement frame 12 is full, the positioning frame 11 is pushed. The positioning frame 11 overcomes the resistance of the second elastic member 14 and slides downward in the detector 1, sliding out the full placement frame 12. Then the positioning frame 11 is released. Under the action of the second elastic member 14, the positioning frame 11 resets, while the first elastic member 13 can assist in popping out the placement frame 12 for easy operation next time. This allows for the classified collection of flexible circuit boards, achieving the effect of accurate classification and efficient storage of the tested flexible circuit boards.

[0025] like Figure 1 As shown, it also includes a protective sleeve 15, which is fixedly connected to the gripper 9 to prevent the flexible circuit board from being pinched.

[0026] The protective sleeve 15 serves to prevent the flexible circuit board from being pinched, thus achieving the effect of protecting the flexible circuit board.

[0027] like Figure 1 As shown, it also includes an anti-slip pad 16, which is fixedly connected to the positioning frame 11 to prevent slippage during use.

[0028] The anti-slip pad 16 prevents slippage during use, thereby improving stability.

[0029] like Figure 1 As shown, it also includes a storage basket 18, which is slidably connected to the detector 1 for placing maintenance tools.

[0030] After the test is completed, the maintenance tools and other equipment can be placed in the storage basket 18 that is slidably connected to the detector 1 for storage, so that they can be used for the next maintenance.

[0031] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. All equivalent substitutions made within the principles of this utility model should be included within the protection scope of this utility model. Contents not described in detail in this utility model are existing technologies known to those skilled in the art.

Claims

1. A flexible circuit board test fixture, characterized by: The utility model provides a flexible circuit board detection device, including the detector (1), the detector (1) is fixedly connected with the rotary seat (100) for the flexible circuit board, the rotary seat (100) is fixedly connected with the clamping block A (101), the clamping block A (101) is slidably connected with the clamping block B (102), the clamping block A (101) and clamping block B (102) are used to clamp one end of flexible circuit board, the detector (1) is fixedly connected with the fixed block (2), the lower end of fixed block (2) is fixedly connected with the installation shell (3), the fixed block (2) inside is fixedly connected with the pneumatic cylinder (4), the pneumatic cylinder (4) telescopic rod is fixedly connected with the push-pull rod (5), the lower end of push-pull rod (5) is fixedly connected with the connecting block (6), the installation shell (3) inside is equipped with the cogwheel (7) symmetry, the installation shell (3) is rotatably connected with cogwheel (7), be equipped with connecting rod (8) between cogwheel (7) and connecting block (6), one end of connecting rod (8) is rotatably connected in connecting block (6), the other end of connecting rod (8) is fixedly connected in cogwheel (7), the installation shell (3) is slidably connected with the clamping jaw (9) for clamping the other end of flexible circuit board, and the clamping jaw (9) top is equipped with rack, and the rack on cogwheel (7) and clamping jaw (9) are mutually engaged, the clamping block A (101) is fixedly connected with the electromagnet (10).

2. The flexible circuit board test tool of claim 1, wherein: Also including the positioning frame (11), the detector (1) inside is slidably connected with the positioning frame (11), the positioning frame (11) is clamped with the placing frame (12), and the left and right two placing frames (12) are used to place the qualified product and the unqualified product respectively, the placing frame (12) is clamped with the positioning frame (11), and the first elastic member (13) for ejecting the placing frame (12) is arranged between the placing frame (12) and the detector (1), one end of the first elastic member (13) is fixedly connected on the detector (1), and the other end is in contact with the bottom of the placing frame (12), the second elastic member (14) for resetting the positioning frame (11) is arranged in the detector (1), there are eight second elastic members (14), and the second elastic members (14) are located at the bottom of the four corners of the positioning frame (11), one end of the second elastic member (14) is fixedly connected to the detector (1), and the other end of the second elastic member (14) is fixedly connected to the positioning frame (11).

3. The flexible circuit board test fixture of claim 1, wherein: Also including the protective sleeve (15), the clamping jaw (9) is fixedly connected with the protective sleeve (15) for preventing the flexible circuit board from being clamped.

4. The flexible circuit board test tool of claim 2, wherein: Also including the non-slip mat (16), the positioning frame (11) is fixedly connected with the non-slip mat (16) for preventing sliding when using.

5. The flexible circuit board test tool of claim 1, wherein: Also including the illuminating lamp (17), the detector (1) is fixedly connected with the illuminating lamp (17) for device illumination.

6. The flexible circuit board test fixture of claim 1, wherein: Also including the storage basket (18), the detector (1) is slidably connected with the storage basket (18) for placing maintenance tools.