FPC circuit board bending detection device

Abstract

The utility model relates to the field of circuit board detection, in particular to an FPC circuit board bending detection device which comprises a detection machine, a sliding rail, a first movable clamping block, a movable frame and a fixed plate, the inner wall of the movable frame is attached to the outer wall of the sliding rail, a first threaded hole is formed in the right end of the movable frame in a penetrating mode, and a first bolt is installed in the first threaded hole in a threaded mode. The lower end of the movable frame is fixedly connected with a fixed claw, the lower end of the movable frame is provided with a first dovetail groove, the first dovetail groove is located on the right side of the fixed claw, a first sliding block is arranged in the first dovetail groove in a sliding mode, and the lower end of the first sliding block is fixedly connected with a movable claw. The positions and the distances of the movable claws can be adjusted, circuit boards of different sizes can be clamped and fixed, the additionally-arranged second movable clamping block and the additionally-arranged third movable clamping block can move front and back, the length can be adjusted according to the circuit boards of different sizes, and the clamping effect on the circuit boards is further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of circuit board detection, concretely relates to FPC circuit board bending detection device. BACKGROUND

[0002] FPC circuit board bending detection device is a kind of equipment for detecting the performance change of flexible printed circuit board in the bending process, the device detects the electrical performance and mechanical strength of FPC by simulating bending action, ensures that it can still work normally after being bent for many times.

[0003] The existing FPC circuit board bending detection device is fixed, and the fixed-width clamp can only clamp the circuit board of specific size, when clamping larger circuit board, the smaller clamp may cause unstable clamping, and the circuit board may deviate during bending test, affecting the measurement result, when clamping smaller circuit board, the fixed clamp may cause uneven clamping force distribution, causing the circuit board displacement problem during test.

[0004] Therefore, in view of the problem that the FPC circuit board bending detection device is difficult to adapt to clamping circuit boards of various sizes or models due to the fixed clamp during use, a new FPC circuit board bending detection device is developed, which can freely adjust the clamp according to the size or model of the circuit board to improve the clamping effect. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the FPC circuit board bending detection device is difficult to adapt to clamping circuit boards of various sizes or models due to the fixed clamp during use, a new FPC circuit board bending detection device is proposed.

[0006] The utility model discloses a technical scheme for FPC circuit board bending detection device, including detection machine and slide rail, still including first movable clamp block, movable frame, second movable clamp block and fixed plate, the outer wall of slide rail is provided with movable frame, and the inner wall of movable frame is attached with the outer wall of slide rail, and the right -hand member of movable frame is provided with threaded hole no.

[0007] As preferred, the slide rail is fixed to the lower end of the detection machine telescopic rod, and the fixed plate is fixed to the front end of the detection machine rotary disc.

[0008] As preferred, the left end of the slide rail is provided with a plurality of positioning holes distributed equidistantly in front and back, and the front end of the slide rail is provided with a baffle, which is installed on the front end of the slide rail through screws.

[0009] As preferred, the left end inner wall of the movable frame is provided with a slot hole, and a spring lug is fixed in the slot hole, which is matched with the positioning hole.

[0010] As preferred, the left end of the movable claw is provided with a threaded hole no. 2, the right end of the fixed claw is rotatably installed with a first lead screw, the first lead screw is matched with the threaded hole no. 2, and the right end of the first lead screw is fixed with a knob through the threaded hole no. 2.

[0011] As preferred, the right end of the fixed clamp block is rotatably installed with a second lead screw, the left end of the first movable clamp block is provided with a threaded hole no. 3, the second lead screw is matched with the threaded hole no. 3, and the right end of the second lead screw is fixed with a knob through the threaded hole no. 3.

[0012] As preferred, the left end edge of the second movable clamp block is fixed with a limiting rod, and the right end edge of the third movable clamp block is provided with a limiting slot, which is matched with the limiting rod.

[0013] The utility model discloses the beneficial effect:

[0014] 1、 through the movable frame along the slide rail moves forward and backward, can drive the fixed claw and the movable claw moves forward and backward, the bolt is tightened and can be fixed in the outer wall of the slide rail, the position of the movable claw and the fixed claw can be adjusted, compared with the existing FPC circuit board bending detection device, the slide rail and the movable frame can drive the fixed claw to move forward and backward, the position and distance of the movable claw can be adjusted, and circuit boards of different sizes can be clamped and fixed;

[0015] 2、 through the second movable clamp block can move forward and backward along the first slide rod, the third movable clamp block can move forward and backward along the second slide rod, and the second movable clamp block is fixed by tightening the bolt two, and the third movable clamp block is fixed by tightening the bolt three, compared with the existing FPC circuit board bending detection device, the second movable clamp block and the third movable clamp block can move forward and backward, the length can be adjusted according to circuit boards of different sizes, the size adaptation range of the circuit board is improved, and the clamping effect of the circuit board is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The three-dimensional structure schematic diagram of the FPC circuit board bending detection device of the utility model is shown;

[0017] Figure 2 The three-dimensional structure schematic diagram of the FPC circuit board bending detection device of the utility model is shown;

[0018] Figure 3 The three-dimensional structure schematic diagram of the FPC circuit board bending detection device slide rail and baffle of the utility model is shown;

[0019] Figure 4 The three-dimensional structure schematic diagram of the FPC circuit board bending detection device movable frame and fixed claw of the utility model is shown;

[0020] Figure 5 The three-dimensional structure schematic diagram of the first movable clamp block of the FPC circuit board bending detection device of the utility model is shown;

[0021] Figure 6 The three-dimensional structure schematic diagram of the FPC circuit board bending detection device fixed plate of the utility model is shown;

[0022] Figure 7 The three-dimensional structure schematic diagram of the FPC circuit board bending detection device detection machine of the utility model is shown.

[0023] Explanation of reference signs: 1, detection machine; 2, sliding rail; 3, first movable clamp block; 4, movable frame; 5, second movable clamp block; 6, positioning hole; 7, baffle; 8, slot hole; 9, spring protrusion; 10, threaded hole one; 11, bolt one; 12, fixed claw; 13, movable claw; 14, first sliding block; 15, first dovetail groove; 16, threaded hole two; 17, first lead screw; 18, fixed clamp block; 19, second sliding block; 20, threaded hole three; 21, second lead screw; 22, first sliding rod; 23, second sliding rod; 24, third movable clamp block; 25, bolt two; 26, bolt three; 27, threaded hole four; 28, threaded hole five; 29, limiting rod; 30, limiting groove; 31, fixed plate; 32, second dovetail groove. DETAILED DESCRIPTION

[0024] The utility model is further explained below in combination with the drawings and examples.

[0025] Please refer to Figures 1-7 The utility model provides a kind of example: FPC circuit board bending detection device, including detection machine 1 and sliding rail 2, still including first movable clamp block 3, movable frame 4, second movable clamp block 5 and fixed plate 31, the outer wall of sliding rail 2 is provided with movable frame 4, the inner wall of movable frame 4 is attached with the outer wall of sliding rail 2, the right end of movable frame 4 is provided with threaded hole one 10, threaded hole one 10 is screw mounted with bolt one 11, bolt one 11 is longer than threaded hole one 10, the lower end of movable frame 4 is fixedly connected with fixed claw 12, the lower end of movable frame 4 is provided with first dovetail groove 15, and first dovetail groove 15 is located at the right side of fixed claw 12, first sliding block 14 is slidably arranged in first dovetail groove 15, and the lower end of first sliding block 14 is fixedly connected with movable claw 13, the front end of fixed plate 31 is fixedly connected with fixed clamp block 18, the front end of fixed plate 31 is provided with second dovetail groove 32 distributed in upper and lower, and second dovetail groove 32 is located at the right side of fixed clamp block 18, second sliding block 19 is slidably arranged in second dovetail groove 32, and the front end of second sliding block 19 is fixedly connected with first movable clamp block 3, and the front end of first movable clamp block 3 and fixed clamp block 18 is respectively fixedly connected with first sliding rod 22 and second sliding rod 23, the outer wall of first sliding rod 22 is sleeved with second movable clamp block 5, the outer wall of second sliding rod 23 is sleeved with third movable clamp block 24, the right end inner wall of second movable clamp block 5 and the left end inner wall of third movable clamp block 24 are respectively provided with threaded hole four 27 and threaded hole five 28, and threaded hole four 27 and threaded hole five 28 are respectively screw mounted with bolt two 25 and bolt three 26, bolt two 25 is longer than threaded hole four 27, and bolt three 26 is longer than threaded hole five 28.

[0026] Through the front and back movement of the movable frame 4 along the slide rail 2, the fixed jaw 12 and the movable jaw 13 can be moved forward and backward, and the bolt one 11 can be tightened to fix the movable frame 4 on the outer wall of the slide rail 2, so that the position and distance of the movable jaw 13 and the fixed jaw 12 can be adjusted to clamp circuit boards of different sizes or shapes. Then, the second movable clamping block 5 can be moved forward and backward along the first slide rod 22, the third movable clamping block 24 can be moved forward and backward along the second slide rod 23, and the second movable clamping block 5 can be fixed by tightening the bolt two 25, and the third movable clamping block 24 can be fixed by tightening the bolt three 26. The distance between the movable clamping blocks can be adjusted according to the size of the circuit board to be clamped, so as to clamp circuit boards of different sizes or shapes.

[0027] Please refer to Figures 2-3 In this embodiment, the slide rail 2 is fixed to the lower end of the telescopic rod of the detection machine 1, and the fixed plate 31 is fixed to the front end of the rotating disc of the detection machine 1. In use, the slide rail 2 can be moved up and down by the telescopic rod of the detection machine 1, and the fixed plate 31 can be rotated by the rotating disc of the detection machine 1, so as to test the bending of the circuit board. The left end of the slide rail 2 is provided with a plurality of positioning holes 6 distributed equidistantly in front and back, and the front end of the slide rail 2 is provided with a baffle 7 which is installed on the front end of the slide rail 2 by screws. In use, the movement of the movable frame 4 can be limited by the positioning holes 6, and the activity range of the movable frame 4 can be fixed by the baffle 7.

[0028] Please refer to Figure 4 In this embodiment, the left end inner wall of the movable frame 4 is provided with a slot hole 8, and a spring lug 9 is fixed in the slot hole 8. The spring lug 9 is matched with the positioning hole 6. In use, the position of the movable frame 4 can be adjusted conveniently by the spring lug 9. The left end of the movable jaw 13 is provided with a threaded hole two 16, the right end of the fixed jaw 12 is rotatably installed with a first lead screw 17, the first lead screw 17 is matched with the threaded hole two 16, and the right end of the first lead screw 17 passes through the threaded hole two 16 and is fixed with a knob. In use, the movable jaw 13 can be moved close to the fixed jaw 12 by rotating the first lead screw 17 to clamp the upper end of the circuit board.

[0029] Please refer to Figure 5In the embodiment, the right end of the fixed clamping block 18 is rotatably installed with a second screw rod 21, the left end of the first movable clamping block 3 is provided with a threaded hole three 20, the second screw rod 21 is matched with the threaded hole three 20, the right end of the second screw rod 21 penetrates through the threaded hole three 20 and is fixedly connected with a knob, in use, the first movable clamping block 3 can be driven to approach the fixed clamping block 18 by rotating the second screw rod 21, and the lower end of the circuit board can be clamped, the left end edge of the second movable clamping block 5 is fixedly connected with a limiting rod 29, the right end edge of the third movable clamping block 24 is provided with a limiting groove 30, the limiting rod 29 is matched with the limiting groove 30, in use, the stability between the second movable clamping block 5 and the third movable clamping block 24 can be improved by matching the limiting groove 30 with the limiting rod 29.

[0030] In use, first, according to the required clamping circuit board, a proper number of movable frames 4 are selected, the movable frame 4 is aligned with the slide rail 2 and pushed into the front end of the slide rail 2, the baffle 7 is installed, the position or spacing of the movable frame 4 is adjusted, and the bolt one 11 is tightened, then, according to the size or shape of the circuit board, the distance between the second movable clamping block 5 and the third movable clamping block 24 and the first movable clamping block 3 and the fixed clamping block 18 is adjusted, the bolt two 25 and the bolt three 26 are tightened to fix the second movable clamping block 5 and the third movable clamping block 24, then, the upper end of the circuit board is placed between the fixed claw 12 and the movable claw 13, the movable claw 13 is driven to approach the fixed claw 12 by rotating the first screw rod 17 to fix the upper end of the circuit board, the lower end of the circuit board is placed between the fixed clamping block 18 and the first movable clamping block 3, the second screw rod 21 is rotated to complete the fixation of the circuit board, finally, the detection machine 1 is started and the parameters are adjusted, and the circuit board can be bent and tested.

[0031] Through the above steps, the movable frame 4 moves forward and backward along the slide rail 2, which drives the fixed claw 12 and the movable claw 13 to move forward and backward, the bolt one 11 is tightened to fix the movable frame 4 on the outer wall of the slide rail 2 to clamp circuit boards of different sizes or shapes, the second movable clamping block 5 can move forward and backward along the first slide rod 22, the third movable clamping block 24 can move forward and backward along the second slide rod 23, the spacing between the movable clamping blocks can be adjusted according to the size of the required clamped circuit board, and the problem that the FPC circuit board bending detection device is difficult to adapt to clamping circuit boards of various sizes or models due to the fixation of the clamp in use is solved.

Claims

1. A FPC circuit board bending detection device, comprising a detection machine (1) and a slide rail (2), characterized in that: The utility model also comprises a first movable clamp block (3), a movable frame (4), a second movable clamp block (5) and a fixed plate (31), the outer wall of slide rail (2) is provided with movable frame (4), the inner wall of movable frame (4) is attached with the outer wall of slide rail (2), the right end of movable frame (4) is provided with threaded hole no.

2. The FPC circuit board bending detection device according to claim 1, characterized by: The left end of movable frame (4) is provided with slot hole (8), spring lug (9) is fixedly connected in slot hole (8), and spring lug (9) is matched with positioning hole (6).

3. The FPC circuit board bending detection device according to claim 2, characterized by: The right end of fixed jaw (12) is rotatably provided with first lead screw (17), first lead screw (17) is matched with threaded hole no.

4. The FPC circuit board bending detection device according to claim 3, characterized by: The right end of fixed clamp block (18) is rotatably provided with second lead screw (21), the left end of first movable clamp block (3) is provided with threaded hole no.

5. The FPC circuit board bending detection device according to claim 4, characterized by: The right end of second lead screw (21) passes threaded hole no.

6. The FPC circuit board bending detection device according to claim 5, characterized by: ​ 7. The FPC circuit board bending detection apparatus according to claim 6, characterized by: The second movable clamping block (5) is fixed with a limiting rod (29) at the left end edge, and the third movable clamping block (24) is provided with a limiting slot (30) at the right end edge, and the limiting rod (29) is matched with the limiting slot (30).

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