Flexible circuit board high-precision solder mask tooling

By designing a high-precision solder resist fixture, and utilizing a combination of a base, a slide, and a fixing device, the problem of unstable fixation of flexible circuit boards during the soldering process was solved, achieving precise adjustment and stable soldering.

CN224487923UActive Publication Date: 2026-07-14GUANGDE PEAKSTAR ELECTRONIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDE PEAKSTAR ELECTRONIC TECH CO LTD
Filing Date
2025-07-09
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Flexible circuit boards are difficult to secure during manual soldering, leading to damage.

Method used

A high-precision solder resist fixture including a base, a slide, a sliding plate, and a fixing device was designed. The position and fixation of the flexible circuit board are controlled by symmetrically distributed clamping components and a stepper motor, so as to achieve precise adjustment.

Benefits of technology

This technology enables stable fixation and precise adjustment of flexible circuit boards, improving the reliability and success rate of welding.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a high-precision solder resist fixture for flexible circuit boards, belonging to the technical field of solder resist fixtures. It includes a base and a sliding groove disposed on one side of the top surface of the base. A sliding plate is provided within the sliding groove. Both the base and the sliding plate have fixing devices on their top surfaces. Each fixing device includes two mounting seats respectively installed on the top surfaces of the base and the sliding plate. A clamping component is installed on the top surface of each mounting seat. The clamping components are symmetrically distributed. Through the fixing device, in actual use, the two flexible circuit boards are fixed by the symmetrically distributed clamping components. The position of the sliding plate is then adjusted to ensure a tight connection between the two flexible circuit boards, allowing for effective soldering during operation. The clamping components, combined with two vertical quick-clamping devices simultaneously driving the pressure plate, fix the flexible circuit boards effectively.
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Description

Technical Field

[0001] This utility model belongs to the field of solder resist tooling technology, specifically relating to a high-precision solder resist tooling for flexible circuit boards. Background Technology

[0002] Flexible circuit boards are circuit boards that use flexible insulating substrates (such as polyimide (PI) and polyester (PET) to replace traditional rigid glass fiber substrates. Their core characteristics are that they can be bent, folded, and rolled up, adapting to complex spatial structures, making them one of the key components for the miniaturization and weight reduction of modern electronic devices.

[0003] During sample debugging and rework, flexible circuit boards are soldered manually using tools such as temperature-adjustable soldering irons, fine-tipped soldering irons, and tweezers. In actual operation, because flexible circuit boards are difficult to fix, they are easily damaged during manual soldering. Utility Model Content

[0004] The purpose of this utility model is to provide a high-precision solder resist fixture for flexible circuit boards to solve the problems mentioned in the background art. To achieve the above objective, this utility model provides the following technical solution: it includes a base and a sliding groove disposed on one side of the top surface of the base, a sliding plate disposed in the sliding groove, and a fixing device disposed on the top surface of both the base and the sliding plate;

[0005] The fixing device includes two mounting seats respectively installed on the top surface of the base and the sliding plate. Each mounting seat has a clamping component installed on its top surface, and the clamping components are symmetrically distributed.

[0006] It should be noted in the solution that the clamping assembly includes two vertical quick clamps mounted on the top surface of the mounting base. The vertical quick clamps on the two mounting bases are mounted on the side away from the other mounting base. A connecting rod is fixedly connected between the two vertical quick clamps. A connecting block is fixedly connected to the locking end of the vertical quick clamp. A pressure plate is fixedly connected below the connecting block.

[0007] It should be noted in the solution that the top surface of the mounting base is provided with a mounting groove, and a support plate is detachably connected in the mounting groove.

[0008] It should be noted in the solution that a second sliding plate is provided between the sliding plate and the mounting base on the top surface of the sliding plate. The second sliding plate is slidably connected to the sliding plate. The top surface of the sliding plate is provided with a groove, and a lead screw is installed in the groove. A slider is provided at the bottom of the second sliding plate. The thread of the lead screw is tightly engaged with the internal thread of the slider. A stepper motor is installed on one side of the second sliding plate, and the output end of the stepper motor is fixedly connected to the lead screw.

[0009] It should be noted in the solution that the base and the sliding plate are slidably connected, the top surface of the base is provided with a groove, a second lead screw is installed in the groove, the bottom of the sliding plate is provided with a second slider, the thread of the second lead screw is tightly engaged with the internal thread of the second slider, a second stepper motor is installed on one side of the base, and the output end of the second stepper motor is fixedly connected to the second lead screw.

[0010] Compared with the prior art, the high-precision solder mask tooling for flexible circuit boards provided by this utility model has at least the following beneficial effects:

[0011] (1) By setting up a fixing device, in actual use, the two flexible circuit boards are fixed by symmetrically distributed pressing components, and then the position of the sliding plate is adjusted so that the two flexible circuit boards can be tightly connected and can be welded well during operation.

[0012] (2) By setting the clamping components, different pressure plates are selected according to different specifications of flexible circuit boards during actual use. When fixing the flexible circuit board, the operating rod drives the vertical quick clamps fixed at both ends of the rod to work at the same time. The two vertical quick clamps drive the pressure plates to fix the flexible circuit board at the same time, and the fixing effect is good. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the product of this utility model;

[0014] Figure 2 This is a side view cross-sectional structural diagram of the product of this utility model.

[0015] In the diagram: 1. Base; 2. Sliding plate; 3. Second sliding plate; 4. Stepper motor; 5. Second stepper motor; 6. Mounting seat; 7. Vertical quick clamp; 8. Connecting block; 9. Pressure plate; 10. Connecting rod; 11. Material support plate. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-2A high-precision solder resist fixture for flexible circuit boards includes a base 1 and a slide groove disposed on one side of the top surface of the base 1. A sliding plate 2 is disposed in the slide groove. A fixing device is provided on the top surface of both the base 1 and the sliding plate 2. The fixing device includes two mounting seats 6 respectively mounted on the top surface of the base 1 and the sliding plate 2. A clamping component is mounted on the top surface of each mounting seat 6. The clamping components are symmetrically distributed.

[0018] With the setting of the fixing device, in actual use, the two flexible circuit boards are fixed by the symmetrically distributed clamping components, and then the position of the sliding plate 2 is adjusted so that the two flexible circuit boards can be tightly connected and can be welded well during operation.

[0019] Furthermore, referring to Figure 1-2 As shown, it is worth noting that the clamping assembly includes two vertical quick clamps 7 mounted on the top surface of the mounting base 6. The vertical quick clamps 7 on the two mounting bases 6 are mounted on the side away from the other mounting base 6. A connecting rod 10 is fixedly connected between the two vertical quick clamps 7. A connecting block 8 is fixedly connected to the locking end of the vertical quick clamp 7. A pressure plate 9 is fixedly connected below the connecting block 8.

[0020] By setting up the clamping components, different pressure plates 9 can be selected according to different specifications of flexible circuit boards during actual use. When fixing the flexible circuit board, the operating linkage 10 drives the vertical quick clamps 7 fixed at both ends of the linkage 10 to work simultaneously. The two vertical quick clamps 7 simultaneously drive the pressure plates 9 to fix the flexible circuit board, resulting in a good fixing effect.

[0021] Furthermore, referring to Figure 1-2 As shown, it is worth noting that the top surface of the mounting base 6 is provided with a mounting groove, and a support plate 11 is detachably connected in the mounting groove;

[0022] With the support plate 11 in place, different flexible circuit boards have different shapes in actual use. When welding flexible circuit boards of different shapes, different support plates 11 can be replaced as needed.

[0023] Furthermore, referring to Figure 1-2 As shown, it is worth noting that a second sliding plate 3 is also provided between the sliding plate 2 and the mounting base 6 on the top surface of the sliding plate 2. The second sliding plate 3 is slidably connected to the sliding plate 2. The top surface of the sliding plate 2 is provided with a groove, and a lead screw is installed in the groove. The bottom of the second sliding plate 3 is provided with a slider. The thread of the lead screw is tightly engaged with the internal thread of the slider. A stepper motor 4 is installed on one side of the second sliding plate 3, and the output end of the stepper motor 4 is fixedly connected to the lead screw.

[0024] With the second sliding plate 3 in place, the lead screw can be rotated by the stepper motor 4 during actual use. The lead screw drives the second sliding plate 3 to move. By controlling the stepper motor 4, the position of the second sliding plate 3 on the sliding plate 2 can be controlled, which further controls the position of the mounting base 6 and the flexible circuit board on the mounting base 6, allowing for precise adjustment of the position of the flexible circuit board.

[0025] Furthermore, referring to Figure 1-2 As shown, it is worth noting that the base 1 and the sliding plate 2 are slidably connected. The top surface of the base 1 is provided with a groove, and a second lead screw is installed in the groove. The bottom of the sliding plate 2 is provided with a second slider. The thread of the second lead screw is tightly engaged with the internal thread of the second slider. A second stepper motor 5 is installed on one side of the base 1, and the output end of the second stepper motor 5 is fixedly connected to the second lead screw.

[0026] With the sliding plate 2 in place, the second lead screw can be rotated by the second stepper motor 5 during actual use. The lead screw drives the sliding plate 2 to move. By controlling the second stepper motor 5, the position of the sliding plate 2 on the base 1 can be controlled, and the position of the second sliding plate 3 installed on the sliding plate 2 can be further controlled, so that the position of the flexible circuit board can be precisely adjusted.

[0027] Furthermore, referring to Figure 1-2 As shown, it is worth noting that,

[0028] The above describes a high-precision solder mask fixture for flexible circuit boards provided by this utility model. Specific preferred embodiments have been used to illustrate the principle and implementation of this utility model. These embodiments are only used to help understand the principle and core idea of ​​this utility model. It should be noted that for those skilled in the art, the implementation schemes in the above embodiments can be further combined or replaced without departing from the design concept of this utility model, and several improvements and modifications can be made to this utility model. These improvements and modifications also fall within the protection scope of the claims of this utility model.

Claims

1. A high-precision solder resist fixture for flexible circuit boards, characterized in that: It includes a base (1) and a sliding groove disposed on one side of the top surface of the base (1), wherein a sliding plate (2) is provided in the sliding groove, and a fixing device is provided on the top surface of both the base (1) and the sliding plate (2); The fixing device includes two mounting seats (6) respectively installed on the top surfaces of the base (1) and the sliding plate (2). Each mounting seat (6) is equipped with a clamping component, which is symmetrically distributed.

2. The high-precision solder resist fixture for flexible circuit boards according to claim 1, characterized in that: The clamping assembly includes two vertical quick clamps (7) mounted on the top surface of the mounting base (6). The vertical quick clamps (7) on the two mounting bases (6) are mounted on the side away from the other mounting base (6). A connecting rod (10) is fixedly connected between the two vertical quick clamps (7). A connecting block (8) is fixedly connected to the locking end of the vertical quick clamp (7). A pressure plate (9) is fixedly connected below the connecting block (8).

3. The high-precision solder resist fixture for flexible circuit boards according to claim 2, characterized in that: The mounting base (6) has a mounting groove on its top surface, and a support plate (11) is detachably connected in the mounting groove.

4. The high-precision solder resist fixture for flexible circuit boards according to claim 3, characterized in that: A second sliding plate (3) is provided between the sliding plate (2) and the mounting base (6) on the top surface of the sliding plate (2). The second sliding plate (3) is slidably connected to the sliding plate (2). The top surface of the sliding plate (2) is provided with a groove, and a lead screw is installed in the groove. The bottom of the second sliding plate (3) is provided with a slider. The thread of the lead screw is tightly engaged with the internal thread of the slider. A stepper motor (4) is installed on one side of the second sliding plate (3). The output end of the stepper motor (4) is fixedly connected to the lead screw.

5. The high-precision solder mask fixture for flexible circuit boards according to claim 4, characterized in that: The base (1) and the sliding plate (2) are slidably connected. The top surface of the base (1) is provided with a groove, and a second lead screw is installed in the groove. The bottom of the sliding plate (2) is provided with a second slider. The thread of the second lead screw is tightly engaged with the internal thread of the second slider. A second stepper motor (5) is installed on one side of the base (1), and the output end of the second stepper motor (5) is fixedly connected to the second lead screw.