Flexible circuit board gold plating hanger

By improving the structural design of the flexible circuit board gold plating fixture, components such as pull rods, limiting plates, and hemispherical parts are used to achieve rapid positioning and stable clamping, solving the problems of low positioning speed and inconvenient operation in the existing technology, improving the electroplating effect and processing efficiency, and reducing the workload of personnel.

CN224299428UActive Publication Date: 2026-05-29SHENZHEN GUIHONGXIN TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN GUIHONGXIN TECHNOLOGY CO LTD
Filing Date
2025-07-23
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing flexible circuit board electroplating fixtures are inadequate in terms of positioning speed and ease of operation, and also require significant workload for personnel.

Method used

A gold plating fixture was designed, comprising components such as a frame, C-shaped bracket, pull rod, limiting plate, support spring, pull block, hemisphere, iron column, permanent magnet, and telescopic rod. The pull rod and limiting plate work together to achieve rapid positioning and stable clamping. The hemisphere and liquid permeable hole improve the electroplating effect and simplify the operation process.

Benefits of technology

It improves the electroplating positioning rate and processing efficiency of flexible circuit boards, reduces the workload of personnel, and enhances the electroplating effect, ease of operation, and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to flexible circuit board gold plating hanger technical field, especially point to a kind of flexible circuit board gold plating hanger, including frame, the bottom fixed mounting of frame has C type frame, the side of C type frame is integrally formed and is provided with positioning slot, the bottom sliding insertion of C type frame has pull rod, the top end sliding extension of pull rod reaches in positioning slot, and fixed mounting has limit disc, support spring is fixedly installed between limit disc and positioning slot bottom wall, support spring is movably sleeved on pull rod;The utility model can make pull rod drive limit disc follow downward movement and compress support spring by pulling down pull rod, then flexible circuit board is placed in positioning slot, finally, release pull block, support spring will promote limit disc upward movement due to self elastic force at this time, so that limit disc can quickly stabilize and position flexible circuit board in C type frame, improve the positioning rate, and do not need personnel complicated screwing, thereby alleviate the working intensity of personnel.
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Description

Technical Field

[0001] This utility model relates to the field of flexible circuit board gold plating fixtures, and in particular to a flexible circuit board gold plating fixture. Background Technology

[0002] Electroplating is a crucial process in the fabrication of flexible printed circuit boards (FPCBs). During electroplating, mounting racks are required. These racks primarily function to conduct electricity, support, and fix the FPCBs. Therefore, the proper design and fabrication of these racks are of great significance to the overall quality of the electroplated product and production efficiency.

[0003] For example, the patent specification of an existing Chinese patent (publication number: CN203256362U) discloses a flexible circuit board electroplating fixture. By screwing the clamping parts, the bottom end of the threaded connection of the fixture is tightly pressed onto the pressing surface, which can effectively prevent the flexible circuit board from slipping off the electroplating fixture and has a good fixing effect.

[0004] Although this flexible circuit board electroplating fixture can use the screw clamp to press the bottom end of its threaded connection firmly onto the pressing surface to achieve the effect of positioning the flexible circuit board, the threads are usually quite dense, which makes the stroke rate of the operator slow when screwing. If the fixture is equipped with a lot of positioning structures, it will not only reduce the positioning rate of many flexible circuit boards, but also increase the workload of the operator.

[0005] In view of this, a flexible circuit board gold plating fixture is provided to overcome the above-mentioned defects. Utility Model Content

[0006] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a flexible circuit board gold plating fixture.

[0007] To achieve the above objectives, the present invention adopts the following technical solution: a flexible circuit board gold plating fixture, comprising a frame, a C-shaped frame fixedly installed at the bottom of the frame, a positioning groove integrally formed on one side of the C-shaped frame, a pull rod slidably inserted into the bottom of the C-shaped frame, the top end of the pull rod slidably extending into the positioning groove and fixedly installed with a limiting plate, a support spring fixedly installed between the limiting plate and the bottom wall of the positioning groove, and the support spring movably sleeved on the pull rod.

[0008] As a further description of the above technical solution: there are multiple C-shaped frames, and the multiple C-shaped frames are installed at equal intervals at the bottom of the frame, which can simultaneously position multiple flexible circuit boards, thereby enabling simultaneous electroplating operations on multiple flexible circuit boards and improving processing efficiency.

[0009] As a further description of the above technical solution: A pull block is fixedly installed at the bottom end of the pull rod. The diameter of the pull block is much larger than the diameter of the pull rod. The outer surface of the pull block is provided with anti-slip texture. By pulling the pull block, the pull block can drive the pull rod to move. Since the diameter of the pull block is much larger than the diameter of the pull rod, it is possible to apply force better when the person pulls the pull rod. In addition, the anti-slip texture on the outer surface of the pull block can increase the friction between the pull block and the person, thereby solving the problem of slippage when the person pulls the pull block.

[0010] As a further description of the above technical solution: A hemisphere is fixedly installed on the top of the limiting plate, and a gap is left between the hemisphere and the top wall of the positioning groove. By setting the hemisphere, since the contact area between the top of the hemisphere and the flexible circuit board is small, the contact area between the flexible circuit board and the electroplating solution can be increased, thereby improving the electroplating effect on the flexible circuit board.

[0011] As a further description of the above technical solution: iron pillars are fixedly installed on both sides of the bottom of the limiting plate, and permanent magnets are provided on the bottom wall of the positioning groove. The number of permanent magnets corresponds to the number of iron pillars, and the iron pillars and permanent magnets are magnetically connected. When the limiting plate is pulled down, the iron pillars and permanent magnets abut and attract each other, which can easily limit the limiting plate. This allows personnel to conveniently free their hands to place the flexible circuit board in the positioning groove, improving the convenience of operation.

[0012] As a further description of the above technical solution: there is a gap between the pull block and the bottom of the C-shaped frame, and two telescopic rods are fixedly installed. By setting the telescopic rods, when the pull block moves up and down, the telescopic ends of the telescopic rods can extend and retract accordingly, which can limit the movement direction of the pull block, avoid the problem of movement deviation of the pull block, and improve the stability of the pull block during movement.

[0013] As a further description of the above technical solution: fixing blocks are fixedly installed at the four corners of the top of the frame, and ropes are inclinedly arranged on the fixing blocks. A fixing ring is set at the center of the top of the frame. The other end of the rope is fixedly installed at the four corners of the bottom of the fixing ring. A fixing cable is fixedly installed at the top center of the fixing ring. By connecting the fixing cable to the crane drive arm, the entire frame can be easily lifted and lowered into and raised in the electroplating tank.

[0014] As a further description of the above technical solution: a plurality of liquid permeable holes are provided through the frame in the horizontal direction. The plurality of liquid permeable holes are equally spaced on the frame. The arrangement of the plurality of liquid permeable holes can increase the rate at which the frame is immersed in the electroplating solution, thereby improving the electroplating operation of the flexible circuit board.

[0015] This utility model has the following beneficial effects:

[0016] This utility model designs a flexible circuit board gold-plating fixture. By pulling down the pull rod, the pull rod causes the limiting plate to move downward and compress the support spring. Then, the flexible circuit board is placed in the positioning groove. Finally, the pull block is released, and the support spring will push the limiting plate upward due to its own elasticity. This allows the limiting plate to quickly and stably position the flexible circuit board in the C-shaped frame, improving the positioning speed and eliminating the need for tedious twisting, thus reducing the workload of personnel.

[0017] The flexible circuit board gold plating fixture designed in this utility model has a hemispherical shape. Since the contact area between the top of the hemisphere and the flexible circuit board is small, the contact area between the flexible circuit board and the electroplating solution can be increased, thereby improving the electroplating effect on the flexible circuit board.

[0018] The flexible circuit board gold-plating fixture designed in this utility model can easily limit the position of the limiting plate when the iron column and the permanent magnet are pressed and attracted by the downward pulling of the limiting plate. This allows the operator to free up their hands to place the flexible circuit board in the positioning groove, improving the convenience of operation.

[0019] The flexible circuit board gold plating fixture designed in this utility model has a telescopic rod. When the pull block moves up and down, the telescopic end of the telescopic rod can extend and retract accordingly, which can limit the movement direction of the pull block, avoid the problem of movement deviation of the pull block, and improve the stability of the pull block during movement. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention viewed from the outside.

[0021] Figure 2 This is a three-dimensional structural diagram of the present invention viewed from below.

[0022] Figure 3 This is a three-dimensional structural diagram of the C-shaped frame of this utility model, showing its external structure.

[0023] Figure 4 This utility model Figure 3 Enlarged view of point A in the middle.

[0024] Legend:

[0025] 1. Frame; 2. C-frame; 3. Tie rod; 4. Limiting plate; 5. Support spring; 6. Pull block; 7. Hemisphere; 8. Iron column; 9. Permanent magnet; 10. Telescopic rod; 11. Fixing block; 12. Rope; 13. Fixing ring; 14. Fixing cable; 15. Liquid permeation hole. Detailed Implementation

[0026] Reference Figure 1-4The present invention provides a flexible circuit board gold plating fixture, comprising a frame 1, a C-shaped frame 2 fixedly installed at the bottom of the frame 1, a positioning groove integrally formed on one side of the C-shaped frame 2, a pull rod 3 slidably inserted into the bottom of the C-shaped frame 2, the top end of the pull rod 3 slidably extending into the positioning groove and fixedly installed with a limiting plate 4, a support spring 5 fixedly installed between the limiting plate 4 and the bottom wall of the positioning groove, and the support spring 5 movably sleeved on the pull rod 3.

[0027] As a further implementation of the above technical solution: Multiple C-frames 2 are installed at equal intervals at the bottom of frame 1. This allows for the simultaneous positioning of multiple flexible circuit boards, enabling simultaneous electroplating operations on multiple flexible circuit boards and improving processing efficiency.

[0028] As a further implementation of the above technical solution: a pull block 6 is fixedly installed at the bottom end of the pull rod 3. The diameter of the pull block 6 is much larger than the diameter of the pull rod 3, and the outer surface of the pull block 6 is provided with anti-slip texture. By pulling the pull block 6, the pull block 6 can drive the pull rod 3 to move. Since the diameter of the pull block 6 is much larger than the diameter of the pull rod 3, it is possible to apply force better when the person pulls the pull rod 3. In addition, the anti-slip texture on the outer surface of the pull block 6 can increase the friction between the pull block 6 and the person, thereby solving the problem of slippage when the person pulls the pull block 6.

[0029] As a further implementation of the above technical solution: a hemisphere 7 is fixedly installed on the top of the limiting plate 4, and a gap is left between the hemisphere 7 and the top wall of the positioning groove. By setting the hemisphere 7, since the contact area between the top of the hemisphere 7 and the flexible circuit board is small, the contact area between the flexible circuit board and the electroplating solution can be increased, thereby improving the electroplating effect on the flexible circuit board.

[0030] As a further implementation of the above technical solution: iron pillars 8 are fixedly installed on both sides of the bottom of the limiting plate 4, and permanent magnets 9 are provided on the bottom wall of the positioning groove. The number of permanent magnets 9 corresponds to the number of iron pillars 8, and the iron pillars 8 and permanent magnets 9 are magnetically connected. When the limiting plate 4 is pulled down, the iron pillars 8 and permanent magnets 9 abut and attract each other, which can easily limit the limiting plate 4, thus freeing up the operator's hands to place the flexible circuit board in the positioning groove, improving the convenience of operation.

[0031] It should be noted that the permanent magnet 9 will only attract the iron column 8 when the iron column 8 moves to half the total distance between it and the permanent magnet 9. Therefore, there is no need to worry about the permanent magnet 9 attracting the iron column 8 on its own when positioning the flexible circuit board.

[0032] As a further implementation of the above technical solution: a gap is left between the bottom of the pull block 6 and the C-shaped frame 2, and two telescopic rods 10 are fixedly installed. By setting the telescopic rods 10, when the pull block 6 moves up and down, the telescopic ends of the telescopic rods 10 can extend and retract accordingly, which can limit the movement direction of the pull block 6, avoid the problem of movement deviation of the pull block 6, and improve the stability of the pull block 6 during movement.

[0033] As a further implementation of the above technical solution: Fixing blocks 11 are fixedly installed at the four corners of the top of frame 1. Ropes 12 are inclinedly installed on the fixing blocks 11. A fixing ring 13 is located at the center of the top of frame 1. The other end of the ropes 12 is fixedly installed at the four corners of the bottom of the fixing ring 13. A fixing cable 14 is fixedly installed at the center of the top of the fixing ring 13. Connecting the fixing cable 14 to the crane drive arm allows for easy lifting of the entire frame 1 and its lowering and raising within the electroplating tank.

[0034] As a further implementation of the above technical solution: Multiple liquid-permeable holes 15 are horizontally perforated within the frame 1, and these holes are evenly spaced on the frame 1. The arrangement of multiple liquid-permeable holes 15 increases the rate at which the frame 1 is immersed in the electroplating solution, thereby improving the electroplating operation of the flexible circuit board.

[0035] Working principle:

[0036] Before using this invention, the fixing cable 14 needs to be connected to the crane drive arm to facilitate the overall lifting of the frame 1 and its placement and raising within the electroplating tank. During use, when positioning the flexible circuit board, first pull down the pull block 6. This causes the pull block 6 to move the pull rod 3 and the limiting plate 4 downwards, compressing the support spring 5. Then, place the flexible circuit board in the positioning slot. Finally, release the pull block 6. At this point, the support spring 5 will push the limiting plate 4 upwards due to its own elasticity, allowing the limiting plate 4 to quickly and stably position the flexible circuit board within the C-frame 2. This improves the positioning speed and eliminates the need for tedious twisting, thus reducing the workload of personnel.

[0037] By setting up a hemisphere 7, the contact area between the top of the hemisphere 7 and the flexible circuit board is small, which can increase the contact area between the flexible circuit board and the electroplating solution, thereby improving the electroplating effect on the flexible circuit board.

[0038] When the limiting plate 4 is pulled down, the iron column 8 and the permanent magnet 9 come into contact and attract each other, which can easily limit the limiting plate 4, so that the personnel can free up their hands to place the flexible circuit board in the positioning slot, thus improving the convenience of operation.

[0039] In addition, by setting the telescopic rod 10, when the pull block 6 moves up and down, the telescopic end of the telescopic rod 10 can extend and retract accordingly, which can limit the movement direction of the pull block 6, avoid the problem of movement deviation of the pull block 6, and improve the stability of the pull block 6 during movement.

[0040] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A flexible circuit board gold plating fixture, comprising a frame (1), characterized in that: A C-shaped frame (2) is fixedly installed at the bottom of the frame (1). A positioning groove is integrally formed on one side of the C-shaped frame (2). A pull rod (3) is slidably inserted into the bottom of the C-shaped frame (2). The top of the pull rod (3) slides into the positioning groove and is fixedly installed with a limiting plate (4). A support spring (5) is fixedly installed between the limiting plate (4) and the bottom wall of the positioning groove. The support spring (5) is movably sleeved on the pull rod (3).

2. The flexible circuit board gold plating fixture according to claim 1, characterized in that: The number of C-shaped frames (2) is multiple, and the multiple C-shaped frames (2) are installed at equal intervals at the bottom of the frame (1).

3. The flexible circuit board gold plating fixture according to claim 1, characterized in that: A pull block (6) is fixedly installed at the bottom end of the pull rod (3). The diameter of the pull block (6) is much larger than the diameter of the pull rod (3). The outer surface of the pull block (6) is provided with anti-slip texture.

4. The flexible circuit board gold plating fixture according to claim 1, characterized in that: A hemisphere (7) is fixedly installed on the top of the limiting plate (4), and a gap is left between the hemisphere (7) and the top wall of the positioning groove.

5. The flexible circuit board gold plating fixture according to claim 1, characterized in that: Iron pillars (8) are fixedly installed on both sides of the bottom of the limiting plate (4). Permanent magnets (9) are provided on the bottom wall of the positioning groove. The number of permanent magnets (9) corresponds to the number of iron pillars (8), and the iron pillars (8) and permanent magnets (9) are magnetically connected.

6. The flexible circuit board gold plating fixture according to claim 3, characterized in that: There is a gap between the pull block (6) and the bottom of the C-shaped frame (2), and two telescopic rods (10) are fixedly installed.

7. The flexible circuit board gold plating fixture according to claim 1, characterized in that: Fixing blocks (11) are fixedly installed at the four corners of the top of the frame (1). Ropes (12) are inclinedly installed on the fixing blocks (11). A fixing ring (13) is set at the center of the top of the frame (1). The other end of the rope (12) is fixedly installed at the four corners of the bottom of the fixing ring (13). A fixing cable (14) is fixedly installed at the top center of the fixing ring (13).

8. The flexible circuit board gold plating fixture according to claim 1, characterized in that: The frame (1) has a horizontal through hole (15) inside, and there are multiple through holes (15) on the frame (1) at equal intervals.