Test tool for bending flexible plate

Abstract

The utility model discloses a test tool for bending a flexible plate, which belongs to the technical field of optical communication, and comprises a base, a pressing plate mounting part is arranged on the front end surface of the base, the pressing plate mounting part is connected with a pressing plate through a locking screw, and the distance between the pressing plate mounting part and the pressing plate is adjusted by rotating the locking screw so as to clamp a workpiece or take down the workpiece; a bracket mounting part is arranged on the right end surface of the base, a bracket is arranged at the bracket mounting part, an adjusting screw and a rotating shaft are sequentially and rotationally arranged at the upper end of the bracket from back to front, two clamping rollers are arranged on the rotating shaft, a gap is formed between the two clamping rollers, and a rotating wheel and a limiting screw are arranged on the rotating shaft. By adjusting the extension amount of the adjusting screw, 135-degree bending and limiting of the flexible plate can be realized when the adjusting screw can be in contact with the limiting screw; when the adjusting screw does not make contact with the limiting screw, the bending part at the upper end of the workpiece makes contact with the pressing plate, and 180-degree bending limiting of the flexible plate is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of optical communication technology, specifically relates to a test tool for flexible plate bending. BACKGROUND

[0002] Flexible printed circuit board (flexible plate) is widely used, and can be bent to adapt to the layout requirements of various installation spaces to a certain extent. In some working conditions, the FPC board will appear dynamic changes of bending at a certain angle and stroke, so it is necessary to use a test fixture to test the bending of the FPC board, and study the influence of bending frequency on the performance of the circuit board.

[0003] The existing test fixture generally does not have universality, and is not convenient for clamping and fixing FPC boards of different sizes to perform bending test.

[0004] In view of the above problems, a jig for FPC board bending test is provided.

[0005] The utility model discloses a jig for FPC board bending test, including: base, the inside of base is provided with cavity, the upper end of base one side is provided with side plate;Clamping assembly, the clamping assembly sets up on the upper end of base;The clamping assembly includes placement board no. 1, placement board no. 2 and adjusting assembly, the placement board no. 1 and the placement board no. 2 are all slidingly arranged on the upper end of base, the adjusting assembly is arranged in the cavity in the base and is connected with the bottom end of placement board no. 1, placement board no. 2 through the upper end of base, and the inside of placement board no. 2 is provided with cavity, and the bottom wall of cavity is provided with electric push rod no. 1, the movable end of electric push rod no. 1 is connected with support plate, the upper end of support plate is provided with connecting column in four corners, and the connecting column penetrates the upper end of placement board no. 2 and is connected with the same pressing plate;Bending assembly, the bending assembly sets up at the one end of side plate close to clamping assembly.This patent cannot guarantee the use of 135 ° and 180 ° two bending angles at the same time. UTILITY MODEL CONTENTS

[0006] The utility model discloses a test tool for flexible plate bending, which can realize 135 ° bending limiting of the flexible plate by adjusting the extension amount of the adjusting screw when the adjusting screw can contact the limiting screw, and can realize 180 ° bending limiting of the flexible plate by adjusting the extension amount of the adjusting screw when the adjusting screw does not contact the limiting screw until the upper end bending part of the workpiece contacts the pressing plate.

[0007] The utility model discloses a test tool for flexible plate bending, which can realize 135 ° bending limiting of the flexible plate by adjusting the extension amount of the adjusting screw when the adjusting screw can contact the limiting screw, and can realize 180 ° bending limiting of the flexible plate by adjusting the extension amount of the adjusting screw when the adjusting screw does not contact the limiting screw until the upper end bending part of the workpiece contacts the pressing plate.

[0008] A kind of soft plate bending test tool, including base, the front end surface of the base is provided with pressing plate installation part, the pressing plate installation part is connected with pressing plate by locking screw, the spacing between pressing plate installation part and pressing plate is adjusted by rotating locking screw for clamping workpiece or removing workpiece;The right end surface of the base is provided with bracket installation part, the bracket installation part is provided with bracket, the upper end of the bracket is sequentially rotationally provided with adjusting screw and rotating shaft from back to front, the rotating shaft is provided with two clamping rollers, gap is provided between two clamping rollers, the rotating shaft is provided with rotating wheel and limiting screw.

[0009] Preferably, the upper end of the pressing plate is provided with a clamping roller rotation slot for the clamping roller to pass through.

[0010] Preferably, the right end surface of the clamping roller rotation slot is open.

[0011] Preferably, the left end surface of the clamping roller rotation slot is arc-shaped.

[0012] Preferably, the bracket is connected to the base by fixing bolts.

[0013] Preferably, the right end surface of the pressing plate is in contact with the left end surface of the bracket.

[0014] Preferably, the bracket is provided with an adjusting screw hole matched with the adjusting screw.

[0015] Preferably, the width of the pressing plate installation part is greater than the width of the workpiece.

[0016] Compared with the prior art, the present application has the following advantages and beneficial effects:

[0017] I. The soft plate bending test tool provided by the present application, when in use, rotates the locking screw to increase the spacing between the pressing plate installation part and the pressing plate, then places the workpiece (soft plate) in the spacing, and then rotates the locking screw to reduce the spacing between the pressing plate installation part and the pressing plate until the workpiece is fixed; rotates the rotating wheel clockwise to drive the rotating shaft to rotate and make the clamping roller rotate, so that the upper end of the workpiece is bent, until the extending end of the limiting screw contacts the adjusting screw to achieve 135° bending of the soft plate; to achieve 180° bending of the soft plate, only need to rotate the adjusting screw (i.e. retract the adjusting screw into the bracket), rotate the rotating wheel clockwise to drive the rotating shaft to rotate and make the clamping roller rotate, so that the upper end of the workpiece is bent, until the upper end of the workpiece contacts the pressing plate.

[0018] II. The soft plate bending test tool provided by the present application, when the clamping roller rotates, passes through the clamping roller rotation slot, so that the soft plate can be bent by 180°.

[0019] III. The present invention provides a test fixture for bending flexible plates, wherein the adjusting screw is rotated in the adjusting screw hole to adjust the extension amount of the adjusting screw out of the bracket, and cooperates with the limiting screw to realize the 135° bending limit of the flexible plate.

[0020] IV. The present invention provides a test fixture for bending flexible plates. The width of the pressure plate mounting part is greater than the width of the workpiece. After the workpiece (flexible plate) is placed in the gap, the workpiece is moved from the support end until it can no longer be moved. Then, the locking screw is rotated to reduce the gap between the pressure plate mounting part and the pressure plate until the workpiece is fixed. The workpiece is easier to place. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the 135° bending limit structure of the flexible plate in this utility model. Figure One ;

[0023] Figure 3 This is a schematic diagram of the 135° bending limit structure of the flexible plate in this utility model. Figure Two ;

[0024] Figure 4 This is a schematic diagram of the 180° bending limit structure of the flexible plate in this utility model;

[0025] The components are: 1. base; 3. locking screw; 4. pressure plate; 41. clamping roller rotation groove; 5. bracket; 6. adjusting screw; 7. rotating shaft; 8. clamping roller; 9. rotating wheel; 10. limit screw; 100. workpiece. Detailed Implementation

[0026] The present invention will be further described in detail below with reference to the embodiments, but the implementation of the present invention is not limited thereto.

[0027] Example 1

[0028] like Figures 1-4 As shown, this embodiment provides a test fixture for bending flexible boards, including a base 1. The front end face of the base 1 is provided with a pressure plate mounting part, which is connected to a pressure plate 4 by a locking screw 3. The distance between the pressure plate mounting part and the pressure plate 4 can be adjusted by rotating the locking screw 3 to clamp or remove the workpiece 100. The right end face of the base 1 is provided with a bracket mounting part, which is provided with a bracket 5. The upper end of the bracket 5 is provided with an adjusting screw 6 and a rotating shaft 7 rotatably arranged from back to front. The rotating shaft 7 is provided with two clamping rollers 8, and there is a gap between the two clamping rollers. The rotating shaft 7 is provided with a rotating wheel 9 and a limiting screw 10.

[0029] Example 2

[0030] The embodiment provides a test tool for soft plate bending, which comprises a base 1, a pressing plate mounting portion is arranged on the front end surface of the base 1, the pressing plate mounting portion is connected with a pressing plate 4 through locking screws 3, the spacing between the pressing plate mounting portion and the pressing plate 4 is adjusted through the rotation of the locking screws 3 to clamp a workpiece 100 or remove the workpiece 100, a support mounting portion is arranged on the right end surface of the base 1, a support 5 is arranged on the support mounting portion, an adjusting screw 6 and a rotating shaft 7 are sequentially arranged on the upper end of the support 5 from back to front in a rotating mode, two clamping rollers 8 are arranged on the rotating shaft 7, a gap is arranged between the two clamping rollers, a rotating wheel 9 and a limiting screw 10 are arranged on the rotating shaft 7.

[0031] The upper end of the pressing plate 4 is provided with a clamping roller rotating groove 41 through which the clamping roller 8 passes.

[0032] The right end surface of the clamping roller rotating groove 41 is open.

[0033] The left end surface of the clamping roller rotating groove 41 is in an arc shape.

[0034] The support 5 is connected with the base 1 through fixing bolts.

[0035] The right end surface of the pressing plate 4 is in contact with the left end surface of the support 5.

[0036] The support 5 is provided with adjusting screw holes matched with the adjusting screw 6.

[0037] The width of the pressing plate mounting portion is greater than the width of the workpiece 100.

[0038] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0039] 1. The test tool for soft plate bending is used, the locking screw 3 is rotated to increase the spacing between the pressing plate mounting portion and the pressing plate 4, then the workpiece 100 (soft plate) is placed in the spacing, then the locking screw 3 is rotated to reduce the spacing between the pressing plate mounting portion and the pressing plate 4 until the workpiece 100 is fixed, the rotating wheel 9 is rotated in a clockwise direction, the rotating shaft 7 is driven to rotate, the clamping roller 8 is rotated, the upper end of the workpiece 100 is bent, until the extending end of the limiting screw 10 is in contact with the adjusting screw 6 to realize the 135-degree bending limiting of the soft plate, to realize the 180-degree bending of the soft plate, the adjusting screw 6 is rotated (namely, the adjusting screw 6 is retracted into the support 5), the rotating wheel 9 is rotated in a clockwise direction, the rotating shaft 7 is driven to rotate, the clamping roller 8 is rotated, the upper end of the workpiece 100 is bent, until the upper end of the workpiece 100 is in contact with the pressing plate 4.

[0040] Second, the utility model provides a kind of test tool for soft plate bending, when clamping roller 8 rotates, it passes through clamping roller rotation groove 41, so that soft plate can realize 180 ° bending.

[0041] Third, the utility model provides a kind of test tool for soft plate bending, adjusting screw 6 is rotationally arranged in adjusting screw hole, so as to adjust the extension amount of adjusting screw 6 from support 5, and realize 135 ° bending limiting of soft plate with limiting screw 10.

[0042] Fourth, the utility model provides a kind of test tool for soft plate bending, the width of pressing plate mounting portion is greater than the width of workpiece 100, after workpiece 100 (soft plate) is placed in interval, workpiece 100 is moved from support 5 end until it cannot be moved, then locking screw 3 is rotated to reduce the interval between pressing plate mounting portion and pressing plate 4 until workpiece 100 is fixed, and workpiece 100 is placed more easily.

[0043] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, and any simple modification, equivalent change made according to the technical essence of the utility model to the above embodiment falls within the protection scope of the utility model.

Claims

1. A test fixture for bending flexible boards, characterized in that: The base (1) includes a base (1) with a pressure plate mounting part on the front end face. The pressure plate mounting part is connected to the pressure plate (4) by a locking screw (3). The distance between the pressure plate mounting part and the pressure plate (4) can be adjusted by rotating the locking screw (3) to clamp the workpiece (100) or remove the workpiece (100). The base (1) has a bracket mounting part on the right end face. A bracket (5) is provided at the bracket mounting part. An adjusting screw (6) and a rotating shaft (7) are arranged on the upper end of the bracket (5) from back to front. Two clamping rollers (8) are provided on the rotating shaft (7). A gap is provided between the two clamping rollers. A rotating wheel (9) and a limiting screw (10) are provided on the rotating shaft (7).

2. The testing fixture for bending flexible boards according to claim 1, characterized in that: The upper end of the pressure plate (4) is provided with a clamping roller rotation groove (41) through which the clamping roller (8) passes.

3. The testing fixture for bending flexible boards according to claim 2, characterized in that: The right end face of the clamping roller rotation groove (41) is provided with an opening.

4. The testing fixture for bending flexible boards according to claim 3, characterized in that: The left end face of the clamping roller rotating groove (41) is arc-shaped.

5. The testing fixture for bending flexible boards according to claim 1, characterized in that: The bracket (5) is connected to the base (1) by fixing bolts.

6. The testing fixture for bending flexible boards according to claim 1, characterized in that: The right end face of the pressure plate (4) is in contact with the left end face of the bracket (5).

7. The testing fixture for bending flexible boards according to claim 1, characterized in that: The bracket (5) is provided with an adjustment screw hole that matches the adjustment screw (6).

8. The testing fixture for bending flexible boards according to claim 1, characterized in that: The width of the pressure plate mounting part is greater than the width of the workpiece (100).

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