Flexible circuit board vibration testing device

Through the combined structure of support components, distance adjustment components and clamping components, combined with vibrating motors, the problem of inconvenience in fixing circuit boards of different sizes in the prior art is solved, and efficient flexible circuit board vibration testing is achieved, which improves the testing efficiency and stability.

CN222144459UActive Publication Date: 2024-12-10DONGGUAN HUANGJIANG DASHUN ELECTRONICS
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Patent Information

Application Number
CN202323463550.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-19
Publication Date
2024-12-10
Estimated Expiration
2033-12-19

AI Technical Summary

Technical Problem

The existing vibration testing device is inconvenient to operate when fixing flexible circuit boards of different sizes, which increases disassembly and assembly time and reduces testing efficiency.

Method used

Using a combined structure of support components, pitch adjustment components, vibration components and clamping components, the spacing between clamping components is adjusted by rotating the bidirectional screw and handwheel, and combined with a vibration motor for testing, to achieve stable clamping and flexibility of circuit boards of different specifications. operate.

Benefits of technology

The disassembly and assembly process of flexible circuit boards is simplified, the fixing stability and testing efficiency of circuit boards of different specifications is improved, and the damage to the circuit board is avoided by rigid clamping is reduced, and the testing time is reduced.

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Abstract

The utility model relates to the technical field of circuit board testing, and discloses a flexible circuit board vibration testing device comprising a supporting assembly; according to the specification of the flexible circuit board, a first hand wheel is rotated to drive a two-way screw rod, so that the two ends of the two-way screw rod are in threaded connection with adjusting blocks, the distance between clamping assemblies above the adjusting blocks is adjusted, flexible circuit boards of different specifications can be fixed conveniently, and meanwhile, a second hand wheel is rotated to enable a locking screw rod to be in threaded connection with a second screw hole; therefore, the positioning plate is driven to clamp the flexible circuit board, the fixing stability of the flexible circuit board is improved, clamping and positioning of the flexible circuit boards with different thicknesses are facilitated, the disassembly and assembly time of the flexible circuit boards is shortened, rigid clamping is avoided, rigid damage to the flexible circuit board is reduced, and the production efficiency is improved. And the damage condition of the flexible circuit board under different vibration intensities is detected through the vibration motor, so that the testing efficiency of the flexible circuit board is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of circuit board testing, in particular to a flexible circuit board vibration testing device. Background Art

[0002] With the improvement of processing technology, circuit boards are made more and more precisely. Especially with the upgrading of mobile terminals, flexible circuit boards are widely used, and the quality requirements for flexible circuit boards are getting higher and higher. Therefore, the control of the quality of flexible circuit boards is becoming more and more stringent, and higher requirements are also put forward for the testing equipment of flexible circuit boards. Circuit boards are usually subjected to vibration or strong impact during transportation, and vibration or impact may damage the circuit board and affect its service life. Therefore, circuit boards usually need to undergo vibration or impact resistance tests before leaving the factory;

[0003] Existing vibration testing devices are not convenient for fixing circuit boards of different sizes when performing vibration tests on circuit boards, and most of them use four-corner bolts for fixing, which is complicated to operate and increases the time for disassembly and assembly of flexible circuit boards, thereby reducing the vibration testing efficiency of flexible circuit boards. Therefore, we need to propose a vibration testing device for flexible circuit boards. Utility Model Content

[0004] The purpose of the utility model is to provide a flexible circuit board vibration testing device, which is convenient for disassembly and assembly of circuit boards, improves circuit board testing efficiency, reduces circuit board disassembly and assembly time, and is convenient for clamping and positioning circuit boards of different specifications, thereby improving the application scope of the device and solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a flexible circuit board vibration test device, comprising:

[0006] A support assembly, the support assembly mainly consists of a bottom plate, two sets of vertical plates and a top plate;

[0007] A pitch adjustment assembly, the pitch adjustment assembly comprising two groups of adjustment plates, a bidirectional screw and a plurality of groups of first guide rods, the bidirectional screw and the plurality of groups of first guide rods are rotatably connected to the top plate, first screw holes for threaded connection of the bidirectional screw are provided on opposite sides of the two groups of adjustment plates, and first hand wheels are fixedly connected to both ends of the bidirectional screw;

[0008] Multiple groups of vibration components, each of which is slidably plugged into two groups of adjustment plates, and each of which is provided with a clamping component directly above the two groups of adjustment plates, and each of which is fixedly connected to the bottom of the clamping component;

[0009] The clamping assembly includes a U-shaped frame, a locking screw and a positioning plate. The positioning plate is arranged in the inner cavity of the U-shaped frame, and the upper surface of the positioning plate is centrally fixedly connected with a connecting hinge seat. The lower end of the locking screw passes through the U-shaped frame and is rotatably connected to the inner cavity of the connecting hinge seat. The upper end of the locking screw is fixedly connected with a second hand wheel.

[0010] Preferably, the clamping assembly also includes two groups of third guide rods, and the lower ends of the two groups of third guide rods pass through the U-shaped frame and are fixedly connected to the upper surface of the positioning plate, the upper end of the U-shaped frame is provided with a second screw hole for threaded connection of a locking screw, and the upper end of the U-shaped frame is provided with a third socket for sliding insertion of the two groups of third guide rods.

[0011] Preferably, a second pad is bonded to the lower surface of the positioning plate, and a first pad is bonded to the bottom of the inner cavity of the U-shaped frame.

[0012] Preferably, the plurality of groups of vibration components all include a second guide rod, and the second guide rod is fixedly connected to the lower end of the U-shaped frame, a spring is sleeved on the outer side of the second guide rod, and the lower end of the spring abuts against the upper surface of the adjustment plate.

[0013] Preferably, the upper surfaces of the two groups of adjustment plates are provided with second insertion holes for sliding insertion of the multiple groups of second guide rods, and the lower ends of the second guide rods pass through the adjustment plates and are fixedly connected to the limiting blocks.

[0014] Preferably, first insertion holes for sliding and plugging multiple groups of first guide rods are opened on opposite sides of the two groups of adjustment plates, the multiple groups of first guide rods and the bidirectional screws are arranged in the same plane, and the top plate and the two groups of adjustment plates are arranged in the same plane.

[0015] Preferably, a vibration motor is fixedly connected to the lower surface of the top plate, the vibration motor is arranged between the two groups of vertical plates, and a plurality of positioning holes are provided on the upper surface of the bottom plate.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model mainly cooperates among a supporting component, a distance adjusting component, a vibrating component and a clamping component, and rotates a first hand wheel to drive a bidirectional screw according to the specifications of the flexible circuit board, so that the two ends of the bidirectional screw are respectively threadedly connected to the adjusting block, so that the distance between the clamping components above the adjusting block can be adjusted, which is convenient for fixing flexible circuit boards of different specifications. At the same time, the second hand wheel is rotated to thread the locking screw with the second screw hole, thereby driving the positioning plate to clamp the flexible circuit board, improving the fixing stability of the flexible circuit board, facilitating the clamping and positioning of flexible circuit boards of different thicknesses, reducing the time for disassembly and assembly, avoiding rigid clamping, reducing rigid damage to the flexible circuit board, and detecting the damage of the flexible circuit board under different vibration intensities through a vibration motor, thereby improving the testing efficiency of the flexible circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the support assembly structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model.

[0021] In the figure: 100, support assembly; 101, bottom plate; 102, positioning hole; 103, vertical plate; 104, top plate; 200, distance adjustment assembly; 201, adjustment plate; 202, first screw hole; 203, first plug hole; 204, second plug hole; 205, bidirectional screw; 206, first hand wheel; 207, first guide rod; 300, vibration assembly; 301, second guide rod; 302, limit block; 303, spring; 400, clamping assembly; 401, U-shaped frame; 402, first pad; 403, second screw hole; 404, third plug hole; 405, locking screw; 406, second hand wheel; 407, positioning plate; 408, second pad; 409, connecting hinge; 410, third guide rod; 500, vibration motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 The utility model provides a technical solution: a flexible circuit board vibration test device, comprising:

[0024] The support assembly 100 mainly consists of a bottom plate 101, two sets of vertical plates 103 and a top plate 104;

[0025] The pitch adjustment assembly 200 includes two sets of adjustment plates 201, a bidirectional screw 205 and a plurality of sets of first guide rods 207. The bidirectional screw 205 and the plurality of sets of first guide rods 207 are rotatably connected to the top plate 104. The first screw holes 202 for the bidirectional screw 205 to be threadedly connected are provided on opposite sides of the two sets of adjustment plates 201, and both ends of the bidirectional screw 205 are fixedly connected to the first hand wheel 206.

[0026] Multiple groups of vibration components 300, the multiple groups of vibration components 300 are respectively slidably plugged into the two groups of adjustment plates 201, and the two groups of adjustment plates 201 are provided with clamping components 400 directly above them, and the multiple groups of vibration components 300 are fixedly connected to the bottom of the clamping components 400;

[0027] The clamping assembly 400 includes a U-shaped frame 401, a locking screw 405 and a positioning plate 407. The positioning plate 407 is arranged in the inner cavity of the U-shaped frame 401, and the upper surface of the positioning plate 407 is centrally fixedly connected with a connecting hinge seat 409. The lower end of the locking screw 405 passes through the U-shaped frame 401 and is rotatably connected to the inner cavity of the connecting hinge seat 409. The upper end of the locking screw 405 is fixedly connected with a second hand wheel 406.

[0028] The clamping assembly 400 also includes two groups of third guide rods 410, and the lower ends of the two groups of third guide rods 410 pass through the U-shaped frame 401 and are fixedly connected to the upper surface of the positioning plate 407. The upper end of the U-shaped frame 401 is provided with a second screw hole 403 for threaded connection of a locking screw 405, and the upper end of the U-shaped frame 401 is provided with a third plug hole 404 for sliding and plugging the two groups of third guide rods 410. The sliding of the third plug hole 404 and the third guide rod 410 improves the stability of the positioning plate 407 during lifting and lowering, thereby avoiding angular deviation of the positioning plate 407 and improving the clamping stability of the flexible circuit board.

[0029] A second pad 408 is bonded to the lower surface of the positioning plate 407, and a first pad 402 is bonded to the bottom of the inner cavity of the U-shaped frame 401. The first pad 402 and the second pad 408 prevent the flexible circuit board from being damaged by rigid clamping, and prevent the corners of the flexible circuit board from being damaged during vibration testing.

[0030] The multiple groups of vibration assemblies 300 all include a second guide rod 301, and the second guide rod 301 is fixedly connected to the lower end of the U-shaped frame 401. A spring 303 is sleeved on the outer side of the second guide rod 301, and the lower end of the spring 303 abuts against the upper surface of the adjustment plate 201. The multiple groups of second guide rods 301 and the spring 303 improve the vibration effect of the flexible circuit board on the clamping assembly 400, thereby improving the vibration test efficiency of the flexible circuit board.

[0031] The upper surfaces of the two groups of adjustment plates 201 are provided with second insertion holes 204 for sliding insertion of multiple groups of second guide rods 301, and the lower ends of the second guide rods 301 pass through the adjustment plates 201 and are fixedly connected to limit blocks 302. The limit blocks 302 facilitate limiting the position of the second guide rods 301 to prevent them from being separated from the second insertion holes 204, thereby improving the overall service life of the testing device.

[0032] The first plugging holes 203 for sliding and plugging the multiple groups of first guide rods 207 are provided on the opposite sides of the two groups of adjustment plates 201. The multiple groups of first guide rods 207 and the bidirectional screws 205 are arranged in the same plane, and the top plate 104 and the two groups of adjustment plates 201 are arranged in the same plane. The first plugging holes 203 slide with the first guide rods 207, thereby improving the stability of the two groups of adjustment plates 201 during horizontal movement, and the bidirectional screws 205 facilitate the adjustment of the spacing between the two groups of adjustment plates 201, thereby facilitating the clamping and fixation of flexible circuit boards of different specifications.

[0033] A vibration motor 500 is fixedly connected to the lower surface of the top plate 104 , and the vibration motor 500 is disposed between the two sets of vertical plates 103 . A plurality of positioning holes 102 are provided on the upper surface of the bottom plate 101 , and the vibration motor 500 reduces the cost of the equipment.

[0034] When in use, the base plate 101 is fixed on the workbench by fixing bolts, and the first hand wheel 206 is rotated according to the specifications of the flexible circuit board, driving the bidirectional screw 205 to make the two groups of adjustment plates 201 threadedly connected with it through the first screw hole 202, so that the two groups of adjustment plates 201 move relative to each other, so that the spacing between the two groups of clamping assemblies 400 matches the specifications of the flexible circuit board, thereby facilitating the clamping and positioning of flexible circuit boards of different specifications, and by rotating the second hand wheel 406, the locking screw 405 is driven to be hinged with the second screw hole 403 and rotated with the connecting hinge seat 409, so that the first pad 402 and the second pad 408 on the lower surface of the positioning plate 407 clamp the flexible circuit board, completing the clamping of the flexible circuit board, the operation is simple and convenient, reducing the disassembly and assembly time of the flexible circuit board, and improving the vibration test efficiency of the flexible circuit board, and by starting the vibration motor 500 to drive the overall vibration of the device, the vibration resistance of the flexible circuit board is tested.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexible circuit board vibration test device, characterized in that: include: A support assembly (100), wherein the support assembly (100) is mainly composed of a bottom plate (101), two sets of vertical plates (103) and a top plate (104); A pitch adjustment assembly (200), the pitch adjustment assembly (200) comprising two groups of adjustment plates (201), a bidirectional screw (205) and a plurality of groups of first guide rods (207), the bidirectional screw (205) and the plurality of groups of first guide rods (207) being rotatably connected to the top plate (104), first screw holes (202) for threaded connection of the bidirectional screw (205) being provided on opposite sides of the two groups of adjustment plates (201), and first hand wheels (206) being fixedly connected to both ends of the bidirectional screw (205); A plurality of groups of vibration components (300), wherein the plurality of groups of vibration components (300) are respectively slidably plugged into the two groups of adjustment plates (201), and a clamping component (400) is disposed directly above the two groups of adjustment plates (201), and the plurality of groups of vibration components (300) are fixedly connected below the clamping component (400); The clamping assembly (400) comprises a U-shaped frame (401), a locking screw (405) and a positioning plate (407); the positioning plate (407) is arranged in the inner cavity of the U-shaped frame (401), and a connecting hinge seat (409) is fixedly connected in the center of the upper surface of the positioning plate (407); the lower end of the locking screw (405) passes through the U-shaped frame (401) and is rotatably connected to the inner cavity of the connecting hinge seat (409); and the upper end of the locking screw (405) is fixedly connected to a second hand wheel (406).

2. A flexible circuit board vibration testing device according to claim 1, characterized in that: The clamping assembly (400) further comprises two groups of third guide rods (410), and the lower ends of the two groups of third guide rods (410) both pass through the U-shaped frame (401) and are fixedly connected to the upper surface of the positioning plate (407), the upper end of the U-shaped frame (401) is provided with a second screw hole (403) for threaded connection of a locking screw (405), and the upper end of the U-shaped frame (401) is provided with a third plugging hole (404) for sliding insertion of the two groups of third guide rods (410).

3. A flexible circuit board vibration testing device according to claim 2, characterized in that: A second pad (408) is bonded to the lower surface of the positioning plate (407), and a first pad (402) is bonded to the bottom of the inner cavity of the U-shaped frame (401).

4. A flexible circuit board vibration test device according to claim 3, characterized in that: The plurality of groups of vibration components (300) all include a second guide rod (301), and the second guide rod (301) is fixedly connected to the lower end of the U-shaped frame (401), and a spring (303) is sleeved on the outer side of the second guide rod (301), and the lower end of the spring (303) abuts against the upper surface of the adjustment plate (201).

5. A flexible circuit board vibration test device according to claim 4, characterized in that: The upper surfaces of the two groups of adjustment plates (201) are provided with second insertion holes (204) for sliding insertion of multiple groups of second guide rods (301), and the lower ends of the second guide rods (301) penetrate the adjustment plates (201) and are fixedly connected to the limiting blocks (302).

6. A flexible circuit board vibration test device according to claim 1, characterized in that: The first insertion holes (203) for sliding and inserting the plurality of first guide rods (207) are provided on opposite sides of the two groups of adjustment plates (201); the plurality of first guide rods (207) and the bidirectional screw rods (205) are arranged on the same plane, and the top plate (104) and the two groups of adjustment plates (201) are arranged on the same plane.

7. A flexible circuit board vibration testing device according to claim 1, characterized in that: A vibration motor (500) is fixedly connected to the lower surface of the top plate (104), and the vibration motor (500) is arranged between two groups of vertical plates (103). A plurality of positioning holes (102) are provided on the upper surface of the bottom plate (101).