FPC bending test device

Abstract

The utility model discloses an FPC bending test device which comprises a clamping mechanism, a first driving motor arranged on one side of the clamping mechanism and an air cylinder arranged above the clamping mechanism. A transposition mechanism and a second driving motor mounted at the top of the transposition mechanism are arranged above the clamping mechanism; the clamping mechanism comprises a base, supporting plates are fixedly connected to the left side and the right side of the top of the base, and one side of each supporting plate is fixedly connected with a first driving motor; wherein the output end of the first driving motor penetrates through the supporting plate and is fixedly connected with a two-way threaded rod, and the end, away from the first driving motor, of the two-way threaded rod is rotationally connected with the supporting plate; first threaded sleeves are symmetrically connected to the outer sides of the two ends of the bidirectional threaded rod in a threaded mode, flexible circuit boards of different models can be clamped by arranging the clamping mechanism, and bending testing can be conducted on different positions of the flexible circuit boards by arranging the transposition mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of flexible circuit boards, in particular to an FPC bending test device. Background Art

[0002] Flexible circuit boards are printed circuit boards made of flexible insulating substrates (polyester film or polyimide). They are light in weight and can be bent, folded, and wound freely. They are widely used in various electronic products such as camera modules, touch screen modules, fingerprint recognition modules, etc.

[0003] Publication No. CN216669590U discloses an FPC bending test device, which drives the first carrier to move and flip by moving the guide rail up and down, improves the manual flipping process of the FPC, and can automatically flip for reverse bending test. However, the patent still has the following problems in actual use:

[0004] Although this FPC bending test device drives the first carrier to move and flip by the up and down movement of the guide rail, improving the manual flipping process of the FPC and can automatically flip for reverse bending testing, it is not convenient to clamp and limit different types of flexible circuit boards, thereby reducing the practicality of the device.

[0005] An FPC bending test device is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide an FPC bending test device to solve the problem proposed in the above-mentioned background technology that the first carrier is currently moved and flipped by the up and down movement of the guide rail, which improves the manual flipping process of the FPC and can automatically flip it for the reverse bending test, but it is not convenient to clamp and limit the flexible circuit boards of different models, thereby reducing the practicality of the device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an FPC bending test device, comprising a clamping mechanism, and a first driving motor installed on one side of the clamping mechanism and a cylinder above it;

[0008] A shifting mechanism is arranged above the clamping mechanism, and a second driving motor is installed on the top of the shifting mechanism;

[0009] Also includes:

[0010] The clamping mechanism comprises a base, and support plates are fixedly connected to the left and right sides of the top of the base, and one side of the support plate is fixedly connected to the first drive motor;

[0011] The output end of the first driving motor passes through the support plate and is fixedly connected to a bidirectional threaded rod, and one end of the bidirectional threaded rod away from the first driving motor is rotatably connected to the support plate;

[0012] Among them, the outer sides of the two ends of the bidirectional threaded rod are symmetrically threadedly connected with the first threaded sleeves, the bottom ends of the two first threaded sleeves are fixedly connected with sliding sleeves, the insides of the two sliding sleeves are slidably connected with guide rods, and the left and right ends of the guide rods are fixedly connected to the support plate.

[0013] Preferably, the top of the first threaded sleeve is fixedly connected to a support column, one side of the top of the support column is fixedly connected to a bracket, one side of the bracket is fixedly connected to the cylinder, and the output end of the cylinder passes through the bracket and is fixedly connected to the first connecting rod.

[0014] Preferably, both left and right ends of the first connecting rod are rotatably connected to the second connecting rod, and one end of the two second connecting rods away from the first connecting rod is rotatably connected to the third connecting rod.

[0015] Preferably, one end of the third connecting rod is rotatably connected to the bracket, and the other end of the third connecting rod is fixedly connected to a rubber block, and one side of the rubber block is fittedly connected to a flexible circuit board.

[0016] Preferably, the shifting mechanism comprises a support frame, the bottom of the support frame is fixedly connected to the base, a fixing frame is fixedly connected to the center position of the top of the support frame, and a side of the support frame close to the fixing frame is fixedly connected to the second drive motor.

[0017] Preferably, the output end of the second driving motor passes through the fixed frame and is fixedly connected to a worm, one end of the worm is rotatably connected to the fixed frame, one side of the worm is meshingly connected to a worm wheel, a roller is fixedly connected to the center position inside the worm wheel, the top of the roller is rotatably connected to the fixed frame, and the bottom end of the roller passes through the support frame and is fixedly connected to a disc.

[0018] Preferably, a screw rod is rotatably connected to one side of the inner part of the disc, one end of the screw rod passes through the disc and is fixedly connected to a handle, the outer side of the screw rod is threadedly connected to a second threaded sleeve, one side of the second threaded sleeve is fixedly connected to a telescopic rod, and the output end of the telescopic rod is fixedly connected to an extrusion block.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the FPC bending test device can clamp different types of flexible circuit boards by setting a clamping mechanism, and can perform bending tests on different positions of the flexible circuit board by setting a transposition mechanism. The specific contents are as follows:

[0020] 1. By setting a clamping mechanism, different types of flexible circuit boards can be clamped. The bidirectional threaded rod is driven to rotate by a driving motor. The threaded action between the bidirectional threaded rod and the first threaded sleeve is used to drive the sliding sleeve to rotate. The guide rod is used to limit the sliding sleeve, thereby driving the support column to move left and right in the horizontal direction of the guide rod, so that flexible circuit boards of different sizes can be clamped. The first connecting rod is driven to move left and right in the horizontal direction by a cylinder, thereby driving the second connecting rod to move. The bracket is used to limit the third connecting rod, so that the second connecting rod drives the third connecting rod to rotate around the bracket, so that flexible circuit boards of different thicknesses can be clamped;

[0021] 2. By setting up a transposition mechanism, the bending test can be performed on different positions of the flexible circuit board. The worm is driven to rotate by the second drive motor, and the meshing action between the worm and the worm wheel is utilized to drive the roller shaft and the disc to rotate, so that the telescopic rod can be driven to rotate around the roller shaft, so that the flexible circuit board at different positions can be subjected to the bending test. The screw rod is driven to rotate by the handle, and the threaded action between the screw rod and the second threaded sleeve can be utilized to change the distance between the telescopic rod and the roller shaft, so as to expand or reduce the range of the bending test on the flexible circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0024] Figure 3 For this utility model Figure 2 Schematic diagram of the structure of the third connecting rod in the expanded state;

[0025] Figure 4 For this utility model Figure 1 Schematic diagram of the internal structure of the fixed frame;

[0026] Figure 5 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0027] Figure 6 For this utility model Figure 1 Schematic diagram of the structure of the middle disc viewed from above.

[0028] In the figure: 1. Clamping mechanism; 101. Base; 102. Support plate; 103. First drive motor; 104. Bidirectional threaded rod; 105. First threaded sleeve; 106. Sliding sleeve; 107. Guide rod; 108. Support column; 109. Bracket; 110. Cylinder; 111. First connecting rod; 112. Second connecting rod; 113. Third connecting rod; 114. Rubber block; 115. Flexible circuit board; 2. Transposition mechanism; 201. Support frame; 202. Fixed frame; 203. Second drive motor; 204. Worm; 205. Worm wheel; 206. Roller; 207. Disc; 208. Lead screw; 209. Handle; 210. Second threaded sleeve; 211. Telescopic rod; 212. Extrusion block. DETAILED DESCRIPTION

[0029] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0030] See also Figure 1-6 The utility model provides a technical solution: an FPC bending test device, comprising a clamping mechanism 1, and a first drive motor 103 installed on one side of the clamping mechanism 1 and a cylinder 110 above; a transposition mechanism 2 is arranged above the clamping mechanism 1, and a second drive motor 203 is installed on the top of the transposition mechanism 2; the clamping mechanism 1 comprises a base 101, and the left and right sides of the top of the base 101 are fixedly connected with support plates 102, one side of the support plate 102 is fixedly connected to the first drive motor 103, and the position of the first drive motor 103 can be fixed by setting the support plate 102;

[0031] The output end of the first driving motor 103 passes through the support plate 102 and is fixedly connected with a bidirectional threaded rod 104. One end of the bidirectional threaded rod 104 away from the first driving motor 103 is rotatably connected to the support plate 102. The outer sides of the two ends of the bidirectional threaded rod 104 are symmetrically threadedly connected with first threaded sleeves 105. The bottom ends of the two first threaded sleeves 105 are fixedly connected with sliding sleeves 106. The insides of the two sliding sleeves 106 are slidably connected with guide rods 107. The left and right ends of the guide rods 107 are fixedly connected to the support plate 102. The guide rods 107 limit the sliding sleeves 106, thereby driving the support column 108 to move left and right in the horizontal direction of the guide rods 107, so that flexible circuit boards 115 of different sizes can be clamped;

[0032] The top of the first threaded sleeve 105 is fixedly connected to a support column 108, one side of the top of the support column 108 is fixedly connected to a bracket 109, one side of the bracket 109 is fixedly connected to a cylinder 110, the output end of the cylinder 110 passes through the bracket 109 and is fixedly connected to a first connecting rod 111, and the position of the cylinder 110 can be fixed by setting the bracket 109;

[0033] The left and right ends of the first connecting rod 111 are both rotatably connected to the second connecting rod 112, and one end of the two second connecting rods 112 away from the first connecting rod 111 is rotatably connected to the third connecting rod 113, one end of the third connecting rod 113 is rotatably connected to the bracket 109, and the other end of the third connecting rod 113 is fixedly connected to a rubber block 114, and one side of the rubber block 114 is fitted and connected to a flexible circuit board 115. By using the limiting effect of the bracket 109 on the third connecting rod 113, the second connecting rod 112 can drive the third connecting rod 113 to rotate around the bracket 109, so as to clamp the flexible circuit boards 115 of different thicknesses;

[0034] The shifting mechanism 2 includes a support frame 201, the bottom of the support frame 201 is fixedly connected to the base 101, the center position of the top of the support frame 201 is fixedly connected to a fixed frame 202, the side of the support frame 201 close to the fixed frame 202 is fixedly connected to a second drive motor 203, the output end of the second drive motor 203 passes through the fixed frame 202 and is fixedly connected to a worm 204, one end of the worm 204 is rotatably connected to the fixed frame 202, one side of the worm 204 is meshedly connected to a worm wheel 205, a roller 206 is fixedly connected to the center position of the worm wheel 205, the top of the roller 206 is rotatably connected to the fixed frame 202, the bottom end of the roller 206 passes through the support frame 201 and is fixedly connected to a disc 207, the meshing action between the worm 204 and the worm wheel 205 is utilized to drive the roller 206 and the disc 207 to rotate, and the telescopic rod 211 can be driven to rotate around the roller 206;

[0035] A screw rod 208 is rotatably connected to one side of the inner part of the disc 207, one end of the screw rod 208 passes through the disc 207 and is fixedly connected to a handle 209, the outer side of the screw rod 208 is threadedly connected to a second threaded sleeve 210, one side of the second threaded sleeve 210 is fixedly connected to a telescopic rod 211, and the output end of the telescopic rod 211 is fixedly connected to an extrusion block 212. By utilizing the threaded action between the screw rod 208 and the second threaded sleeve 210, the distance between the telescopic rod 211 and the roller 206 can be changed, thereby expanding or reducing the range of the bending test on the flexible circuit board 115.

[0036] Working principle: Before using this FPC bending test device, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 6As shown, firstly, the distance between the two support columns 108 is adjusted according to the size of the flexible circuit board 115, and the driving motor 103 is started to drive the bidirectional threaded rod 104 to rotate. The thread effect between the bidirectional threaded rod 104 and the first threaded sleeve 105 is used to drive the sliding sleeve 106 to rotate. The guide rod 107 is used to limit the sliding sleeve 106, so as to drive the support column 108 to move left and right in the horizontal direction of the guide rod 107, so as to clamp the flexible circuit boards 115 of different sizes. Then, the cylinder 110 is started to drive the first connecting rod 111 to move left and right in the horizontal direction, so as to drive the second connecting rod 112 to move. The bracket 109 is used to limit the third connecting rod 113, so that the second connecting rod 112 can drive the third connecting rod 113 to rotate around the bracket 109, so as to clamp the flexible circuit boards 115 of different thicknesses.

[0037] Secondly, start the second drive motor 203 to drive the worm 204 to rotate, and utilize the meshing action between the worm 204 and the worm wheel 205 to drive the roller 206 and the disk 207 to rotate, so as to drive the telescopic rod 211 to rotate around the roller 206, so as to perform bending tests on the flexible circuit board 115 at different positions. Start the telescopic rod 211 to drive the extrusion block 212 to move downward and perform bending operations on the flexible circuit board 115. Drive the screw rod 208 to rotate through the handle 209, and utilize the threaded action between the screw rod 208 and the second threaded sleeve 210 to change the distance between the telescopic rod 211 and the roller 206, so as to expand or reduce the range of the bending test on the flexible circuit board 115.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An FPC bending test device, comprising a clamping mechanism (1), and a first drive motor (103) installed on one side of the clamping mechanism (1) and a cylinder (110) above; A shifting mechanism (2) is arranged above the clamping mechanism (1), and a second driving motor (203) is installed on the top of the shifting mechanism (2); It is characterized in that Also includes: The clamping mechanism (1) comprises a base (101), the left and right sides of the top of the base (101) are fixedly connected to support plates (102), and one side of the support plate (102) is fixedly connected to a first drive motor (103); The output end of the first drive motor (103) passes through the support plate (102) and is fixedly connected to a bidirectional threaded rod (104); one end of the bidirectional threaded rod (104) away from the first drive motor (103) is rotatably connected to the support plate (102); The outer sides of both ends of the bidirectional threaded rod (104) are symmetrically threadedly connected to first threaded sleeves (105), the bottom ends of the two first threaded sleeves (105) are fixedly connected to sliding sleeves (106), the interiors of the two sliding sleeves (106) are slidably connected to guide rods (107), and the left and right ends of the guide rods (107) are fixedly connected to the support plate (102).

2. The FPC bending test device according to claim 1, characterized in that: The top end of the first threaded sleeve (105) is fixedly connected to a support column (108), one side of the top end of the support column (108) is fixedly connected to a bracket (109), one side of the bracket (109) is fixedly connected to a cylinder (110), and the output end of the cylinder (110) passes through the bracket (109) and is fixedly connected to a first connecting rod (111).

3. The FPC bending test device according to claim 2, characterized in that: The left and right ends of the first connecting rod (111) are both rotatably connected to the second connecting rod (112), and the ends of the two second connecting rods (112) away from the first connecting rod (111) are rotatably connected to the third connecting rod (113).

4. The FPC bending test device according to claim 3, characterized in that: One end of the third connecting rod (113) is rotatably connected to the bracket (109), and the other end of the third connecting rod (113) is fixedly connected to a rubber block (114), and one side of the rubber block (114) is bonded to a flexible circuit board (115).

5. The FPC bending test device according to claim 1, characterized in that: The shifting mechanism (2) comprises a support frame (201), the bottom of the support frame (201) is fixedly connected to the base (101), a fixing frame (202) is fixedly connected to the center position of the top of the support frame (201), and a side of the support frame (201) close to the fixing frame (202) is fixedly connected to a second drive motor (203).

6. The FPC bending test device according to claim 5, characterized in that: The output end of the second drive motor (203) passes through the fixed frame (202) and is fixedly connected to a worm (204); one end of the worm (204) is rotatably connected to the fixed frame (202); one side of the worm (204) is meshingly connected to a worm wheel (205); a roller (206) is fixedly connected to the center position inside the worm wheel (205); the top end of the roller (206) is rotatably connected to the fixed frame (202); and the bottom end of the roller (206) passes through the support frame (201) and is fixedly connected to a disk (207).

7. The FPC bending test device according to claim 6, characterized in that: A screw rod (208) is rotatably connected to one side of the disk (207), one end of the screw rod (208) passes through the disk (207) and is fixedly connected to a handle (209), an outer side of the screw rod (208) is threadedly connected to a second threaded sleeve (210), one side of the second threaded sleeve (210) is fixedly connected to a telescopic rod (211), and an output end of the telescopic rod (211) is fixedly connected to an extrusion block (212).

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