Adjustment device and method for FPC bending fixture

Abstract

This invention relates to the field of mechanical debugging technology and discloses a debugging device for an FPC bending fixture. The debugging device includes a base, an elastic clamping part, a first positioning plate, and a second positioning plate. The elastic clamping part, the first positioning plate, and the second positioning plate are respectively connected to the base. The elastic clamping part is used to clamp the flexible circuit support platform. The top surface of the base is a positioning surface that matches the bottom surface of the pressure head. The first positioning plate matches the positioning groove of the flexible circuit. The second positioning plate is used for side positioning of the pressure head. By providing a debugging reference in the debugging device, the debugging personnel can calibrate the bending fixture without disassembling the bending fixture components, and the debugging operation is convenient and quick. Simultaneously, this invention also provides a corresponding debugging method for an FPC bending fixture.

Description

Technical Field

[0001] This invention relates to the field of mechanical debugging technology, and in particular to a debugging device and method for an FPC bending fixture. Background Technology

[0002] Currently, after the existing long flexible FPC cable is precision bent and formed, the end position height test parameter CPK usually cannot reach 1.33. This is because the existing long flexible FPC cable precision bending and forming fixture is adjusted entirely based on the experience of the adjustment personnel, which is time-consuming and laborious, requires high work experience from the adjustment personnel, and has low adjustment efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide an FPC bending fixture debugging device and method, which enables debugging personnel to quickly debug the FPC bending fixture.

[0004] To address the aforementioned technical problems, this invention provides an adjustment device for an FPC bending fixture. The FPC bending fixture includes a flexible circuit support platform and a pressure head. The flexible circuit support platform is provided with a flexible circuit positioning groove, and the pressure head is used to bend the FPC placed on the flexible circuit positioning groove. The adjustment device includes a base, an elastic clamping part, a first positioning plate, and a second positioning plate.

[0005] The elastic clamping part, the first positioning plate, and the second positioning plate are respectively connected to the base; the elastic clamping part is used to clamp on the flexible circuit support platform; the top surface of the base is a positioning surface that matches the bottom surface of the pressure head; the first positioning plate is used to match the positioning groove of the flexible circuit; the second positioning plate is used for side positioning of the pressure head.

[0006] As a preferred embodiment, the flexible circuit support platform is further provided with an auxiliary positioning groove, and the bottom of the base is provided with a positioning pin, which is used to match the auxiliary positioning groove.

[0007] As a preferred embodiment, the elastic clamping part includes a first clamping member, a second clamping member, and an elastic member. The first clamping member and the second clamping member are respectively connected to the base, and a clamping space is formed between the first clamping member and the second clamping member. The elastic member is disposed on the side of the first clamping member opposite to the second clamping member.

[0008] As a preferred embodiment, the base is a cuboid structure, the first clamping member is connected to the first side of the base, the second clamping member and the second positioning plate are both connected to the second side of the base opposite to the first side, the first positioning plate is connected to the third side of the base, the first positioning plate is perpendicular to the first clamping member, and the first positioning plate is parallel to the second positioning plate.

[0009] As a preferred embodiment, the elastic element is a plunger.

[0010] To address the same technical problem, embodiments of the present invention also provide a method for debugging an FPC bending fixture based on the aforementioned debugging device, the method comprising:

[0011] The elastic clamping part is clamped to the flexible circuit support platform;

[0012] Control the pressure head to press down, and when the pressure head is pressed down to fit against the top surface of the base, tighten the angle adjustment screw of the pressure head;

[0013] When the first positioning plate is in contact with the flexible circuit positioning groove, the rotation angle adjustment screw and the front and rear adjustment screw of the flexible circuit positioning groove are locked.

[0014] Control the left and right movement of the pressure head, and when the side of the pressure head is in contact with the second positioning plate, tighten the left and right adjustment screws of the pressure head.

[0015] As a preferred embodiment, the number of FPC bending fixtures is multiple, and each FPC bending fixture is identical; therefore, the debugging method of the FPC bending fixtures further includes:

[0016] After each FPC bending fixture is debugged, the debugging device is placed on the next FPC bending fixture to be debugged, and the debugging is carried out until all FPC bending fixtures are debugged.

[0017] As a preferred embodiment, the FPC bending fixture further includes a pressure head fixing seat, wherein the pressure head is connected to the pressure head fixing seat via an angle adjustment screw, and the left and right adjustment screws of the pressure head are located on the pressure head fixing seat.

[0018] As a preferred embodiment, the FPC bending fixture further includes a first connecting block and a second connecting block. The flexible circuit positioning groove is disposed on the first connecting block. The first connecting block is connected to the second connecting block by a rotation angle adjustment screw of the flexible circuit positioning groove. The second connecting block is connected to the flexible circuit support platform by a front and rear adjustment screw of the flexible circuit positioning groove.

[0019] Compared to existing technologies, the beneficial effects of this invention are as follows: This invention provides an adjustment device for an FPC bending fixture, comprising a base, an elastic clamping part, a first positioning plate, and a second positioning plate; the elastic clamping part, the first positioning plate, and the second positioning plate are respectively connected to the base; the elastic clamping part is used to clamp the flexible circuit support platform; the top surface of the base is a positioning surface for matching the bottom surface of the pressure head; the first positioning plate is used to match the positioning groove of the flexible circuit; the second positioning plate is used for side positioning of the pressure head. By providing an adjustment reference in the adjustment device, the adjustment personnel can calibrate the bending fixture without disassembling the bending fixture components, and the adjustment operation is convenient and quick. Simultaneously, this invention also provides a corresponding adjustment method for an FPC bending fixture. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the FPC bending fixture in an embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of the operation of the debugging device for the FPC bending fixture in an embodiment of the present invention;

[0022] Figure 3 This is another operational schematic diagram of the debugging device for the FPC bending fixture in this embodiment of the invention;

[0023] Figure 4 This is another operational schematic diagram of the debugging device for the FPC bending fixture in this embodiment of the invention;

[0024] Figure 5 This is a schematic diagram of the structure of the debugging device for the FPC bending fixture in an embodiment of the present invention;

[0025] Figure 6 This is a schematic diagram of the FPC bending fixture debugging device from another angle in an embodiment of the present invention;

[0026] The components include: 1. Left and right adjustment screws for the pressure head; 2. Angle adjustment screws for the pressure head; 3. X-direction positioning surface for the pressure head; 4. Pressure head; 41. Pressure head fixing seat; 6. Positioning surface for the flexible circuit positioning groove; 7. Flexible circuit positioning groove; 8. Rotation angle adjustment screw for the flexible circuit positioning groove; 9. Front and rear adjustment screws for the flexible circuit positioning groove; 10. Flexible circuit support platform; 11. Bending rotary head; 12. First connecting block; 13. Second connecting block.

[0027] 5. Debugging device for FPC bending fixture; 51. Base; 52. Positioning pin; 53. Elastic clamping part; 54. First clamping component; 55. Second clamping component; 56. Elastic component; 57. First positioning plate; 58. Second positioning plate. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Combination Figures 1 to 6 As shown, the FPC bending fixture includes a flexible circuit support platform 10 and a pressure head 4. The flexible circuit support platform 10 is provided with a flexible circuit positioning groove 7. The pressure head 4 is used to bend the FPC placed on the flexible circuit positioning groove 7. The FPC bending fixture also includes a bending rotating head 11. In specific implementation, when the bending rotating head 11 rotates, it can drive one end of the FPC to flip, and then the pressure head 4 presses down to bend the FPC. Specifically, the FPC bending fixture also includes a pressure head fixing seat 41. The pressure head 4 is connected to the pressure head fixing seat 41 by the angle adjusting screw 2 of the pressure head 4. The left and right adjusting screws 1 of the pressure head 4 are provided on the pressure head fixing seat 41. The FPC bending fixture also includes a first connecting block 12 and a second connecting block 13. The flexible circuit positioning groove 7 is provided on the first connecting block 12. The first connecting block 12 is connected to the second connecting block 13 by the rotation angle adjustment screw of the flexible circuit positioning groove 7. The second connecting block 13 is connected to the support platform by the front and rear adjustment screw of the flexible circuit positioning groove 7.

[0030] Combination Figure 5 and Figure 6 As shown, the FPC bending fixture adjustment device 5 includes a base 51, an elastic clamping part 53, a first positioning plate 57, and a second positioning plate 58.

[0031] The elastic clamping part 53, the first positioning plate 57, and the second positioning plate 58 are respectively connected to the base 51; the elastic clamping part 53 is used to clamp on the flexible circuit support platform 10; the top surface of the base 51 is a positioning surface for matching the bottom surface of the pressure head 4; the first positioning plate 57 is used to match the flexible circuit positioning groove 7; the second positioning plate 58 is used for side positioning of the pressure head 4.

[0032] In this embodiment of the invention, the FPC bending fixture debugging device 5 includes a base 51, an elastic clamping part 53, a first positioning plate 57, and a second positioning plate 58; the elastic clamping part 53, the first positioning plate 57, and the second positioning plate 58 are respectively connected to the base 51; the elastic clamping part 53 is used to clamp onto the flexible circuit support platform 10; the top surface of the base 51 is a positioning surface for matching the bottom surface of the pressure head 4; the first positioning plate 57 is used to match the flexible circuit positioning groove 7; the second positioning plate 58 is used for side positioning of the pressure head 4. By providing a debugging reference in the debugging device, the debugging personnel can calibrate the bending fixture without disassembling the bending fixture components, and the debugging operation is convenient and quick.

[0033] To further improve positioning accuracy, in an optional embodiment, the flexible circuit support platform 10 is also provided with an auxiliary positioning groove (not shown in the figure), and the bottom of the base 51 is provided with a positioning pin 52, which is used to match the auxiliary positioning groove.

[0034] In specific implementation, the top surface of the base 51 serves as the Z-direction positioning surface of the pressure head, the bottom surface of the base 51 serves as the Z-direction positioning surface of the support platform, the side of the second positioning plate 58 facing the base 51 serves as the X-direction positioning surface 3 of the pressure head, the positioning pin 52 performs Y-direction positioning, and the first positioning plate 57 serves as the positioning surface 6 of the flexible circuit positioning groove 7. In this embodiment of the invention, with... Figure 4 For reference, the X direction is the left-right direction, the Y direction is the front-back direction, and the Z direction is the vertical direction.

[0035] Combination Figure 5 and Figure 6 As shown, in one optional embodiment, the elastic clamping part 53 includes a first clamping member 54, a second clamping member 55, and an elastic member 56. The first clamping member 54 and the second clamping member 55 are respectively connected to the base 51, forming a clamping space between them. The elastic member 56 is disposed on the side of the first clamping member 54 opposite to the second clamping member 55. By providing the elastic member 56, the flexible circuit support platform 10 can be clamped more effectively.

[0036] Combination Figure 5 and Figure 6As shown, in one optional embodiment, the base 51 has a cuboid structure. The first clamping member 54 is connected to a first side of the base 51. The second clamping member 55 and the second positioning plate 58 are both connected to a second side of the base 51 opposite to the first side. The first positioning plate 57 is connected to a third side of the base 51. The first positioning plate 57 is perpendicular to the first clamping member 54 and parallel to the second positioning plate 58. Exemplarily, the elastic member 56 is a plunger, and the ball at the end of the plunger can elastically extend and retract to clamp and fix the debugging device on the support platform, thus fixing the entire debugging device on the flexible circuit support platform 10 in the X direction.

[0037] Accordingly, this embodiment of the invention also provides a method for debugging an FPC bending fixture based on the debugging device 5 of the FPC bending fixture, the debugging method of the FPC bending fixture including:

[0038] The elastic clamping part 53 is clamped onto the flexible circuit support platform 10;

[0039] Control the pressure head 4 to press down, and when the pressure head 4 presses down to fit against the top surface of the base 51, tighten the angle adjustment screw 2 of the pressure head 4;

[0040] When the first positioning plate 57 is in contact with the flexible circuit positioning groove 7, the rotation angle adjustment screw and the front and rear adjustment screw of the flexible circuit positioning groove 7 are locked.

[0041] Control the left and right movement of the pressure head 4, and when the side of the pressure head 4 is in contact with the second positioning plate 58, tighten the left and right adjustment screws 1 of the pressure head 4.

[0042] During the specific debugging process, when the pressure head 4 is pressed down and pressed against the Z-direction positioning surface of the pressure head, the Z-direction positioning surface of the support table is pressed against the support table. After adjusting the screws of the pressure head 4 in the X direction, the left end of the pressure head 4 is aligned with the X-direction positioning surface 3 of the pressure head. Then, the fixing screws of the pressure head 4 are tightened, and the adjustment of the pressure head 4 is completed. When the first positioning plate 57 falls into the locking flexible circuit positioning groove 7, the fixing screws of the groove are tightened, and the debugging of the groove part is completed.

[0043] In specific implementation, when there are multiple FPC bending fixtures, and each FPC bending fixture is identical, the debugging method for the FPC bending fixtures further includes:

[0044] After each FPC bending fixture is debugged, the debugging device 5 is placed on the next FPC bending fixture to be debugged, and this process continues until all FPC bending fixtures have been debugged. Figure 3As shown, multiple identical FPC bending fixtures are mounted on the same equipment. Figure 3 Multiple identical FPC bending fixtures are arranged in sequence. The same debugging device can be used to debug bending fixtures at different positions. Specifically, they can be debugged one by one in sequence to ensure that the bending accuracy of bending fixtures at multiple positions is consistent, thereby improving the stability of the entire bending process and enabling the end position height test parameter CPK of long flexible circuits to reach more than 1.33 as required by the process.

[0045] Compared to existing technologies, the beneficial effects of this invention are as follows: This invention provides an FPC bending fixture debugging device 5, which includes a base 51, an elastic clamping part 53, a first positioning plate 57, and a second positioning plate 58. The elastic clamping part 53, the first positioning plate 57, and the second positioning plate 58 are respectively connected to the base 51. The elastic clamping part 53 is used to clamp onto the flexible circuit support platform 10. The top surface of the base 51 is a positioning surface that matches the bottom surface of the pressure head 4. The first positioning plate 57 is used to match the flexible circuit positioning groove 7. The second positioning plate 58 is used for side positioning of the pressure head 4. By providing a debugging reference in the debugging device, the debugging personnel can calibrate the bending fixture without disassembling the bending fixture components. The debugging operation is convenient and quick, reducing the precision debugging difficulty and maintenance cost of the bending forming fixture, and improving the debugging efficiency of the precision bending forming fixture. Simultaneously, this invention also provides a corresponding FPC bending fixture debugging method.

[0046] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present invention, and these improvements and substitutions should also be considered within the scope of protection of the present invention.

Claims

1. An adjustment device for an FPC bending fixture, the FPC bending fixture comprising a flexible circuit support platform and a pressure head, wherein the flexible circuit support platform is provided with a flexible circuit positioning groove, and the pressure head is used to bend an FPC placed on the flexible circuit positioning groove; characterized in that, The debugging device includes a base, an elastic clamping part, a first positioning plate and a second positioning plate; The elastic clamping part, the first positioning plate, and the second positioning plate are respectively connected to the base; the elastic clamping part is used to clamp on the flexible circuit support platform; the top surface of the base is a positioning surface that matches the bottom surface of the pressure head; the first positioning plate is used to match the positioning groove of the flexible circuit; the second positioning plate is used for side positioning of the pressure head. The elastic clamping part includes a first clamping member, a second clamping member, and an elastic member. The first clamping member and the second clamping member are respectively connected to the base, and a clamping space is formed between the first clamping member and the second clamping member. The elastic member is disposed on the side of the first clamping member opposite to the second clamping member. The base is a cuboid structure. The first clamping member is connected to the first side of the base. The second clamping member and the second positioning plate are both connected to the second side of the base opposite to the first side. The first positioning plate is connected to the third side of the base. The first positioning plate is perpendicular to the first clamping member and parallel to the second positioning plate.

2. The adjustment device for the FPC bending fixture as described in claim 1, characterized in that, The flexible circuit support platform is also provided with an auxiliary positioning groove, and the bottom of the base is provided with a positioning pin, which is used to match the auxiliary positioning groove.

3. The adjustment device for the FPC bending fixture as described in claim 1, characterized in that, The elastic element is a plunger.

4. A method for adjusting an FPC bending fixture based on the adjusting device of the FPC bending fixture as described in any one of claims 1-3, characterized in that, The adjustment method for the FPC bending fixture includes: The elastic clamping part is clamped to the flexible circuit support platform; Control the pressure head to press down, and when the pressure head is pressed down to fit against the top surface of the base, tighten the angle adjustment screw of the pressure head; When the first positioning plate is in contact with the flexible circuit positioning groove, the rotation angle adjustment screw and the front and rear adjustment screw of the flexible circuit positioning groove are locked. Control the left and right movement of the pressure head, and when the side of the pressure head is in contact with the second positioning plate, tighten the left and right adjustment screws of the pressure head.

5. The adjustment method for the FPC bending fixture as described in claim 4, characterized in that, The number of FPC bending fixtures is multiple, and each FPC bending fixture is identical; therefore, the debugging method of the FPC bending fixtures further includes: After each FPC bending fixture is debugged, the debugging device is placed on the next FPC bending fixture to be debugged, and the debugging is carried out until all FPC bending fixtures are debugged.

6. The adjustment method for the FPC bending fixture as described in claim 4, characterized in that, The FPC bending fixture also includes a pressure head fixing seat. The pressure head is connected to the pressure head fixing seat by the pressure head angle adjustment screw, and the left and right adjustment screws of the pressure head are provided on the pressure head fixing seat.

7. The adjustment method for the FPC bending fixture as described in claim 4, characterized in that, The FPC bending fixture also includes a first connecting block and a second connecting block. The flexible circuit positioning groove is disposed on the first connecting block. The first connecting block is connected to the second connecting block by the rotation angle adjustment screw of the flexible circuit positioning groove. The second connecting block is connected to the flexible circuit support platform by the front and rear adjustment screw of the flexible circuit positioning groove.

Images