FPC bending test machine

Abstract

The utility model belongs to the technical field of flexible circuit boards, and particularly relates to an FPC (Flexible Printed Circuit) bending test machine, which is characterized in that a mounting plate is driven by a reciprocating swing motor mechanism to do reciprocating swing motion according to a certain angle range, so that the bending test of an FPC is realized, and upper, middle and lower mounting holes are uniformly distributed in the upper part of the mounting plate; the upper clamping block and the lower clamping block are placed in the upper threaded hole and the middle threaded hole and range from 40 degrees to 90 degrees, and the upper clamping block and the lower clamping block are placed in the middle threaded hole and the lower threaded hole and range from 20 degrees to 70 degrees, so that different angle ranges are used for different FPC products, and the bending angle range is wide. Meanwhile, the mounting holes are designed to be long holes, so that the distance between the upper clamping block and the lower clamping block can be flexibly adjusted according to needs, and the FPC board needing to be detected can be clamped more conveniently.

Description

Technical Field

[0001] This utility model belongs to the field of flexible circuit board technology, specifically relating to an FPC bending test machine. Background Technology

[0002] Flexible printed circuit boards (FPCs) are highly reliable and extremely flexible printed circuit boards made with polyimide or polyester film as the substrate. They have excellent bending and folding properties. Under certain circumstances, FPC boards will exhibit dynamic changes in their travel at specific angles. Therefore, testing machines are needed to perform bending and folding experiments on FPC boards to obtain their service life and final performance.

[0003] Existing FPC bending testers are generally not specific enough, have a limited bending angle, and are not convenient enough for bending tests of FPCs with open and closed caps. Therefore, we propose an FPC bending tester to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide an FPC bending test machine to solve the problems mentioned in the background art.

[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by this utility model is as follows:

[0006] An FPC bending tester includes a base and a reciprocating swing motor mechanism. A mounting plate with left and right hinges is installed on the upper side of the base. The output end of the reciprocating swing motor mechanism is connected to the lower side of the mounting plate. An upper clamping block and a lower clamping block are symmetrically distributed on the upper side of the mounting plate. The upper clamping block and the lower clamping block are both composed of trapezoidal blocks symmetrically distributed front and back. A fixing component for adjusting the position of the upper clamping block and the lower clamping block is provided in the middle of the mounting plate. A pressure block is bolted to the lower left side of the base.

[0007] The mounting plate has three evenly distributed mounting holes at the top, middle, and bottom, and all mounting holes are elongated holes along the direction of the mounting plate. The upper clamping block and the lower clamping block each have a fixing hole in the middle, and the upper clamping block and the lower clamping block are fixedly installed to the front and rear sides of the mounting holes by bolts.

[0008] Both the upper clamping block and the lower clamping block have elongated grooves on their rear sides that match the mounting holes. A screw is installed inside the elongated groove. An elongated block that matches the elongated groove is fixed in the middle of the screw. The length of the mounting hole in the middle elongated groove is longer than the length of the mounting holes on the upper and lower sides. A nut that matches the screw is fitted on the front side of the screw.

[0009] Both the upper and lower clamping blocks have rubber pads on their sides that are close to each other.

[0010] The elongated block has an arc-shaped chamfer on the side near the nut.

[0011] A clamping plate is fixed to the left side of the base, and a rectangular groove matching the upper clamping block and the lower clamping block is opened on the upper side of the clamping plate.

[0012] The equipment uses a reciprocating oscillating motor mechanism to drive the mounting plate to reciprocate within a certain angle range, thereby achieving bending tests on FPCs. This makes the testing machine's structure relatively simple, easy to disassemble and clean. Because the fixing components allow for precise adjustment of the upper and lower clamping blocks, the testing machine can easily clamp FPCs of different sizes and shapes, meeting diverse FPC angle range requirements and thus satisfying various testing needs. The upper part of the mounting plate has three evenly distributed mounting holes (upper, middle, and lower), which can be combined to form two bending angle ranges: upper clamping block... The upper and lower clamping blocks are positioned in the upper and middle threaded holes, with an angle range of 40° to 90°. The upper and lower clamping blocks are positioned in the middle and lower threaded holes, with an angle range of 20° to 70°. This allows for different angle ranges to be used for different FPC products. The elongated mounting holes allow for flexible adjustment of the spacing between the upper and lower clamping blocks as needed, making it easier to clamp the FPC board to be inspected. The matching elongated slots and blocks, along with the design where the length of the middle elongated mounting hole is longer than the lengths of the upper and lower mounting holes, facilitate adjustments... When adjusting the spacing between the upper and lower clamping blocks, only the middle clamping block needs to be adjusted to change the spacing between them, improving adjustment efficiency and convenience. Simultaneously, the elongated slot and block ensure that the upper and lower clamping blocks are more stably fixed to the upper side of the mounting plate, thus providing stable support and clamping force when holding the FPC, and ensuring that the FPC is stably and accurately clamped during testing. This helps reduce testing errors and improve the accuracy of test results. Rubber pads are provided on the side of the upper and lower clamping blocks that are close together, effectively preventing the FPC from falling off and improving... The clamping effect of the specimen improves the reliability of the testing machine, while also reducing wear and damage to the FPC, thereby extending the service life of the testing machine and protecting the tested sample. The arc-shaped bevel design on the side of the elongated block near the nut facilitates the installation of the screw into the elongated slot and the inside of the mounting hole, thus improving the ease of operation of the equipment. The rectangular groove on the left side of the base makes it easy to insert one end of the FPC from the outside to the inside, and then press it down with the pressure block to prevent the FPC from sliding or shifting laterally during the test, which helps to ensure the reliability of the test results. Attached Figure Description

[0013] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

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

[0015] Figure 2 for Figure 1 A magnified structural diagram of point A in the middle.

[0016] Figure 3 This is another structural schematic diagram of the present invention.

[0017] Figure 4 This is a schematic diagram of the partial explosion structure of this utility model.

[0018] Figure 5 This is a schematic diagram of the structure of the rear side of the upper clamping block in this utility model.

[0019] The reciprocating swing motor mechanism includes: 1. Base 101, mounting plate 102, upper clamping block 103, lower clamping block 104, pressure block 105, mounting hole 2, fixing hole 202, elongated groove 3, screw 302, elongated block 303, nut 304, rubber pad 4, arc-shaped bevel 5, clamping plate 6, and rectangular groove 602. Detailed Implementation

[0020] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] Example 1: As Figure 1-5 As shown, an FPC bending test machine includes a base 101 and a reciprocating swing motor mechanism 1. The base 101 has a mounting plate 102 hinged to the left and right sides. The output end of the reciprocating swing motor mechanism 1 is connected to the lower side of the mounting plate 102. The mounting plate 102 has an upper clamping block 103 and a lower clamping block 104 symmetrically distributed on its upper side. Both the upper clamping block 103 and the lower clamping block 104 are composed of trapezoidal blocks symmetrically distributed front and back. A fixing component for adjusting the position of the upper clamping block 103 and the lower clamping block 104 is provided in the middle of the mounting plate 102. A pressure block 105 is bolted to the lower left side of the base 101.

[0022] In use, one end of the FPC board to be tested is inserted between the upper clamping block 103 and the lower clamping block 104 to achieve pre-positioning of one end of the test piece. Then, the operator inserts the other end of the test piece from the outside in between the base and the pressure block 105 for fixation. At this time, the operator can start the operation of the reciprocating swing motor mechanism 1. The reciprocating swing motor mechanism 1 is a prior art technology that can drive the mounting plate 102 to swing left and right. The upper clamping block 103 and the lower clamping block 104 on the mounting plate 102 then perform reciprocating swing motion according to the angle range, thereby realizing the bending test of the FPC.

[0023] The equipment drives the mounting plate 102 to perform reciprocating swing motion within a certain angle range through the reciprocating swing motor mechanism 1, thereby realizing the bending test of FPC. This makes the structure of the testing machine relatively simple, easy to disassemble and clean. Since the fixing components allow the upper clamping block 103 and the lower clamping block 104 to be precisely adjusted in position, the testing machine can easily clamp FPC while adapting to FPCs of different sizes and shapes, meeting the diverse angle range of FPCs, and thus satisfying various testing needs.

[0024] The mounting plate 102 has three evenly distributed mounting holes 2 at the top, middle and bottom, and the mounting holes 2 are all elongated holes along the direction of the mounting plate 102. The upper clamping block 103 and the lower clamping block 104 both have fixing holes 202 in the middle. The upper clamping block 103 and the lower clamping block 104 are fixedly installed on the front and rear sides of the mounting holes 2 by bolts.

[0025] The upper part of the mounting plate 102 has three mounting holes 2 evenly distributed at the top, middle and bottom, which can be combined to form two bending angle ranges: the upper clamping block 103 and the lower clamping block 104 are placed in the upper and middle threaded holes, with an angle range of 40° to 90°; the upper clamping block 103 and the lower clamping block 104 are placed in the middle and lower threaded holes, with an angle range of 20° to 70°. This allows for different angle ranges to be used for different FPC products. At the same time, the mounting hole 2 is designed as an elongated hole, which allows the spacing between the upper clamping block 103 and the lower clamping block 104 to be flexibly adjusted as needed, making it easier to clamp the FPC board to be tested.

[0026] Example 2: Figure 4-5 As shown, based on Embodiment 1, further improvements are made. Both the upper clamping block 103 and the lower clamping block 104 have elongated grooves 3 that match the mounting holes 2 on their rear sides. A screw 302 is installed inside the elongated groove 3. An elongated block 303 that matches the elongated groove 3 is fixed in the middle of the screw 302. The length of the elongated mounting hole 2 in the middle is longer than the length of the mounting holes 2 on the upper and lower sides. A nut 304 that matches the screw 302 is assembled on the front side of the screw 302.

[0027] The matching of the elongated groove 3 and the elongated block 303 with the mounting hole 2, and the design that the length of the central elongated mounting hole 2 is longer than the length of the upper and lower mounting holes 2, allows for adjustment of the distance between the upper and lower clamping blocks by simply adjusting the central clamping block, thus improving adjustment efficiency and convenience. At the same time, the elongated groove 3 and the elongated block 303 also enable the upper and lower clamping blocks to be more stably fixed on the upper side of the mounting plate 102, thereby helping to provide stable support and clamping force when clamping the FPC, and ensuring that the FPC is stably and accurately clamped during testing. This helps to reduce testing errors and improve the accuracy of test results.

[0028] Both the upper clamping block 103 and the lower clamping block 104 have rubber pads 4 on their adjacent sides.

[0029] The elongated block 303 has an arc-shaped chamfer 5 on the side near the nut 304.

[0030] A clamping plate 6 is fixed on the left side of the base 101. A rectangular groove 602 matching the upper clamping block 103 and the lower clamping block 104 is provided on the upper side of the clamping plate.

[0031] A rubber pad 4 is provided on the side of the upper clamping block 103 and the lower clamping block 104 that is close to each other, which can effectively prevent the FPC from falling off, improve the clamping effect of the specimen, thereby improving the reliability of the testing machine. At the same time, it can also reduce the wear and damage to the FPC, thereby extending the service life of the testing machine and protecting the tested sample. The arc-shaped bevel 5 on the side of the elongated block 303 near the nut 304 makes it easier for the screw 302 to be installed in the elongated groove 3 and the mounting hole 2, thereby improving the ease of operation of the equipment. The rectangular groove 602 on the left side of the base makes it easy to insert one end of the FPC from the outside to the inside. After insertion, it is pressed down by the pressure block 105 to prevent the FPC from sliding or shifting left and right during the test, which helps to ensure the reliability of the test results.

[0032] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. An FPC bending test machine, comprising a base and a reciprocating swing motor mechanism, characterized in that: A mounting plate with left and right hinges is installed on the upper side of the base. The output end of the reciprocating swing motor mechanism is connected to the lower side of the mounting plate. An upper clamping block and a lower clamping block are symmetrically distributed on the upper side of the mounting plate. The upper clamping block and the lower clamping block are composed of trapezoidal blocks symmetrically distributed front and back. A fixing component for adjusting the position of the upper clamping block and the lower clamping block is provided in the middle of the mounting plate. A pressure block is connected to the lower left side of the base by bolts.

2. The FPC bending tester according to claim 1, characterized in that: The mounting plate has three evenly distributed mounting holes at the top, middle, and bottom, and all mounting holes are elongated holes along the direction of the mounting plate. The upper clamping block and the lower clamping block each have a fixing hole in the middle, and the upper clamping block and the lower clamping block are fixedly installed to the front and rear sides of the mounting holes by bolts.

3. The FPC bending tester according to claim 2, characterized in that: Both the upper clamping block and the lower clamping block have elongated grooves on their rear sides that match the mounting holes. A screw is installed inside the elongated groove. An elongated block that matches the elongated groove is fixed in the middle of the screw. The length of the mounting hole in the middle elongated groove is longer than the length of the mounting holes on the upper and lower sides. A nut that matches the screw is fitted on the front side of the screw.

4. The FPC bending test machine according to claim 3, characterized in that: Both the upper and lower clamping blocks are provided with rubber pads on the sides that are close to each other.

5. An FPC bending tester according to claim 4, characterized in that: The elongated block has an arc-shaped chamfer on the side near the nut.

6. The FPC bending tester according to claim 5, characterized in that: A clamping plate is fixed to the left side of the base, and a rectangular groove matching the upper clamping block and the lower clamping block is opened on the upper side of the clamping plate.

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