A high temperature flexible circuit board pressure welding fixture

By designing high-temperature flexible circuit board pressure welding fixtures and using cylinders and camera components to achieve high-precision pressure welding, the problems of low manual operation accuracy and high cost in the prior art are solved, and the welding quality and efficiency are improved.

CN222725668UActive Publication Date: 2025-04-08SUZHOU IE TECH
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Patent Information

Application Number
CN202421385522.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-18
Publication Date
2025-04-08
Estimated Expiration
2034-06-18

AI Technical Summary

Technical Problem

The manual compression welding skills of existing flexible circuit board welding fixtures are high, which can easily lead to alignment deviation, uncontrollable quality, and high labor costs.

Method used

A high-temperature flexible circuit board pressure welding fixture is designed, using cylinders to control the movement of the slider, and high-precision pressure welding is achieved with the camera components. By rotating the threaded rod to adjust the position of the positioning plate, and fixing the positioning plate with locking bolts to ensure accurate positioning of the press welding die.

Benefits of technology

It improves welding accuracy, reduces manual operation errors, reduces labor costs, and improves the controllability of welding quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-temperature flexible circuit board pressure welding jig, which relates to the field of circuit board welding, and includes: a base; a control cabinet arranged at the top rear side of the base; the rear end of the fixed block abuts against the front end of the control cabinet; a cylinder arranged at the top of the fixed block; sliders symmetrically arranged at both sides of the fixed block, and the front ends of the two sliders are connected by a connecting assembly; the upper end of the pressure welding assembly is connected to the front end of the connecting assembly; a pressure welding head is arranged at the lower end of the pressure welding assembly; a fixed seat is arranged at the top of the base; a slide rail is arranged at the top of the fixed seat, and a slide seat is installed on the top of the slide rail; a threaded seat is arranged at the top left side of the fixed seat, the threaded seat is threadedly connected to a threaded rod, the rear end of the threaded rod is connected to a connecting rod, and the right end of the connecting rod is fixedly connected to the left end of the slide seat; a positioning plate is arranged at the top of the slide seat; a pressure welding die is arranged at the top of the positioning plate, and a combined circuit board is arranged on the top of the pressure welding die. This scheme realizes automatic alignment pressure welding, improves the accuracy of pressure welding, and is more applicable.
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Description

Technical Field

[0001] The utility model relates to the field of circuit board welding, in particular to a high-temperature flexible circuit board pressure welding jig. Background Art

[0002] Flexible Printed Circuit Board (FPCB) is a new type of circuit board technology. It is a highly reliable and extremely flexible printed circuit board made of polyimide or polyester film as the substrate. FPCB can be bent and folded, and is suitable for occasions that require flexibility, such as electronic product housings, foldable displays, etc. The thickness is usually between 0.05-0.2mm, which is much thinner than traditional rigid circuit boards. It can achieve more compact wiring and higher integration. It is lighter than rigid circuit boards. FPCB has good bending fatigue and heat resistance. FPCB is widely used in consumer electronics, medical equipment, automotive electronics, aerospace and other fields. Its advantage is that it can meet the needs of product miniaturization, lightweight and appearance flexibility.

[0003] In the existing flexible circuit board welding jigs, manual pressure welding requires high skills, may cause positioning deviation, uncontrollable quality, and high labor costs. Therefore, it is urgent to design a high-temperature flexible circuit board pressure welding jig to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, a high-temperature flexible circuit board pressure welding jig is provided. This technical solution solves the problems raised in the above background technology that manual pressure welding requires high skills, may cause positioning deviation, uncontrollable quality, and high labor costs.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A high-temperature flexible circuit board pressure welding jig, comprising:

[0007] Base, placed horizontally, for support;

[0008] A control cabinet, fixedly mounted on the top rear side of the base;

[0009] A fixed block is arranged in front of the control cabinet, the fixed block is fixedly mounted on the upper end of the base, the rear end of the fixed block abuts against the front end of the control cabinet, and a slide groove is provided on the inner lower side of the fixed block;

[0010] A cylinder, fixedly mounted on the top of the fixed block;

[0011] Slide blocks are symmetrically arranged on the left and right sides of the fixed block, and the front ends of the two slide blocks are connected by a connecting assembly;

[0012] A pressure welding assembly, the upper end of which is fixedly connected to the front end of the connecting assembly;

[0013] A pressure welding head, arranged at the lower end of the pressure welding assembly;

[0014] A fixing seat, fixedly mounted on the top front side of the base;

[0015] A slide rail is fixedly mounted on the middle part of the top end of the fixed seat, and a slide seat is movably mounted on the top of the slide rail;

[0016] A threaded seat, fixedly mounted on the top left side of the fixed seat, the threaded seat is threadedly connected to the threaded rod, the rear end of the threaded rod is rotatably connected to the left end of the connecting rod, and the right end of the connecting rod is fixedly connected to the left end of the sliding seat;

[0017] A positioning plate, fixedly mounted on the top of the slide seat;

[0018] The pressure welding mold is arranged on the top of the positioning plate. A placement groove is opened on the top of the pressure welding mold, and a combined circuit board is arranged inside the placement groove.

[0019] Furthermore, four wire outlets are symmetrically provided on the lower front end of the control cabinet.

[0020] Furthermore, both left and right ends of the pressure welding assembly are provided with connecting wires, and the other end of the connecting wire is provided to extend to the inside of the wire outlet;

[0021] Furthermore, a camera assembly is arranged above the pressure welding die, and the lower end of the camera assembly is fixedly installed on the top left side of the base.

[0022] Furthermore, the right end of the slide seat is fixedly connected to the right end of the slide rail via a locking bolt.

[0023] Furthermore, the rear end and the left end of the pressure welding die are both in contact with the positioning plate.

[0024] As a preferred technical solution of the utility model, compared with the prior art, the utility model provides a high-temperature flexible circuit board pressure welding fixture, which has the following beneficial effects:

[0025] In the utility model, the camera assembly is used to make the solder joints on the surface of the combined circuit board more clearly identifiable, thereby making the pressure welding more accurate; the threaded rod is rotated to adjust the movement of the connecting rod and the slide seat, and then the positioning plate is fixed at a specified position by a locking bolt, making the use of the positioning plate more flexible; the movement of the slider is controlled by the cylinder to control the movement of the connecting assembly, and the connecting assembly drives the pressure welding assembly to move, and cooperates with the camera assembly to achieve stable and high-precision pressure welding, and the upper end of the pressure welding assembly is connected to the front end of the connecting assembly, which is convenient for replacing a suitable pressure welding assembly, thereby improving applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a structural schematic diagram of the sliding assembly in the utility model;

[0028] Figure 3 It is a front view structural schematic diagram of the utility model.

[0029] The numbers in the figure are:

[0030] 1. Base; 2. Control cabinet; 3. Wire outlet; 4. Fixed block; 5. Cylinder; 6. Slide; 7. Slider; 8. Connecting assembly; 9. Pressure welding assembly; 10. Pressure welding head; 11. Connecting wire; 12. Camera assembly; 13. Fixed seat; 14. Slide rail; 15. Slide seat; 16. Locking bolt; 17. Connecting rod; 18. Threaded seat; 19. Threaded rod; 20. Positioning plate; 21. Pressure welding mold; 22. Assembled circuit board. DETAILED DESCRIPTION

[0031] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0032] Reference Figure 1-3 As shown, a high temperature flexible circuit board pressure welding fixture comprises:

[0033] A base 1, placed horizontally, for support;

[0034] The control cabinet 2 is fixedly installed on the top rear side of the base 1;

[0035] The fixing block 4 is arranged in front of the control cabinet 2. The fixing block 4 is fixedly mounted on the upper end of the base 1. The rear end of the fixing block 4 abuts against the front end of the control cabinet 2. A slide groove 6 is provided on the inner lower side of the fixing block 4.

[0036] The cylinder 5 is fixedly mounted on the top of the fixed block 4;

[0037] The sliders 7 are symmetrically arranged on the left and right sides of the fixed block 4, and the front ends of the two sliders 7 are connected by a connecting assembly 8;

[0038] A pressure welding assembly 9, the upper end of which is fixedly connected to the front end of the connecting assembly 8;

[0039] A pressure welding head 10 is arranged at the lower end of the pressure welding assembly 9;

[0040] A fixing seat 13, fixedly mounted on the top front side of the base 1;

[0041] The slide rail 14 is fixedly mounted on the middle of the top of the fixed seat 13, and the top of the slide rail 14 is movably mounted with a slide seat 15;

[0042] The threaded seat 18 is fixedly mounted on the top left side of the fixed seat 13, the threaded seat 18 is threadedly connected to the threaded rod 19, the rear end of the threaded rod 19 is rotatably connected to the left end of the connecting rod 17, and the right end of the connecting rod 17 is fixedly connected to the left end of the sliding seat 15;

[0043] When in use, the threaded rod 19 is rotated to move the threaded rod 19 inside the threaded seat 18, thereby moving the connecting rod 17 connected to the rear end of the threaded rod 19, thereby pushing the sliding seat 15 to move. After reaching the designated position, the locking bolt 16 is used to fix it, thereby adjusting the positioning plate 20 to the designated position.

[0044] The positioning plate 20 is fixedly mounted on the top of the slide 15;

[0045] The pressure welding mold 21 is arranged on the top of the positioning plate 20 . A placement groove is provided on the top of the pressure welding mold 21 . A combined circuit board 22 is arranged inside the placement groove.

[0046] In another embodiment provided by the present utility model, Figure 1 As shown, four wire outlets 3 are symmetrically provided on the lower front side of the control cabinet 2 .

[0047] In another embodiment provided by the present utility model, Figure 1 As shown, both left and right ends of the pressure welding assembly 9 are provided with connecting wires 11 , and the other end of the connecting wire 11 is arranged to extend to the inside of the wire outlet 3 .

[0048] In another embodiment provided by the present utility model, Figure 1 As shown, a camera assembly 12 is disposed above the pressure welding mold 21, and the lower end of the camera assembly 12 is fixedly installed on the top left side of the base 1. The camera assembly 12 displays the solder joints on the surface of the combined circuit board 22, thereby achieving high-precision pressure welding.

[0049] In another embodiment provided by the present utility model, Figure 1 As shown, the right end of the slide 15 is fixedly connected to the right end of the slide rail 14 by a locking bolt 16. The slide 15 moves along the slide rail 14, and after reaching the specified position, it is fixed by the locking bolt 16 to avoid errors in pressure welding caused by the movement of the slide 15.

[0050] In another embodiment provided by the present utility model, Figure 1As shown, a cross bar is provided inside the slide groove 6, and two sliders 7 are fixedly connected by the cross bar. The output end of the cylinder 5 extends to the inside of the slide groove 6 and is fixedly connected to the cross bar. The movement of the cross bar is controlled by the cylinder 5, thereby controlling the sliders 7 to move in a directional manner along the slide groove 6.

[0051] In another embodiment provided by the present utility model, Figure 1 As shown, limiting plates are fixedly installed on the top left side and the rear side of the positioning plate 20, and the left end and the rear end of the pressure welding mold 21 are respectively abutted against the two limiting plates. The pressure welding mold 21 is positioned by the positioning plate 20, thereby making the pressure welding more accurate.

[0052] Working principle: In the utility model, firstly, the pressure welding mold 21 is placed on the top of the positioning plate 20, and then the locking bolt 16 is loosened to allow the slide 15 to slide, and then the threaded rod 19 is rotated to move the connecting rod 17, so that the slide 15 slides, and then the positioning plate 20 is adjusted to a suitable position, and the combined circuit board 22 is placed in the placement groove on the top of the pressure welding mold 21, and the welding point position of the combined board is displayed by the camera component 12, and the movement of the slider 7 is controlled by the cylinder 5, and then the movement of the connecting component 8 is controlled, so that the pressure welding component 9 pressure welds the combined circuit board 22.

[0053] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A high temperature flexible circuit board welding jig, characterized in that: include: A base (1) is placed horizontally for support; A control cabinet (2) is fixedly mounted on the top rear side of the base (1); A fixed block (4) is arranged in front of the control cabinet (2), the fixed block (4) is fixedly mounted on the upper end of the base (1), the rear end of the fixed block (4) is in contact with the front end of the control cabinet (2), and a slide groove (6) is provided on the lower inner side of the fixed block (4); A cylinder (5) is fixedly mounted on the top of the fixed block (4); Slide blocks (7) are symmetrically arranged on the left and right sides of the fixed block (4), and the front ends of the two slide blocks (7) are connected via a connecting assembly (8); A pressure welding assembly (9), the upper end of which is fixedly connected to the front end of the connecting assembly (8); A pressure welding head (10) is arranged at the lower end of the pressure welding assembly (9); A fixing seat (13) fixedly mounted on the top front side of the base (1); A slide rail (14) is fixedly mounted on the middle portion of the top end of the fixed seat (13), and a slide seat (15) is movably mounted on the top of the slide rail (14); A threaded seat (18) is fixedly mounted on the top left side of the fixed seat (13); the threaded seat (18) is threadedly connected to a threaded rod (19); the rear end of the threaded rod (19) is rotatably connected to the left end of the connecting rod (17); and the right end of the connecting rod (17) is fixedly connected to the left end of the sliding seat (15); A positioning plate (20) is fixedly mounted on the top of the slide seat (15); The pressure welding mold (21) is arranged on the top of the positioning plate (20), and a placement groove is provided on the top of the pressure welding mold (21), and a combined circuit board (22) is arranged inside the placement groove.

2. A high temperature flexible circuit board pressure welding jig according to claim 1, characterized in that: Four wire outlets (3) are symmetrically provided on the lower side of the front end of the control cabinet (2).

3. A high temperature flexible circuit board pressure welding jig according to claim 1, characterized in that: Both left and right ends of the pressure welding assembly (9) are provided with connecting wires (11), and the other end of the connecting wire (11) is arranged to extend to the inside of the wire outlet (3).

4. A high temperature flexible circuit board pressure welding jig according to claim 1, characterized in that: A camera assembly (12) is arranged above the pressure welding die (21), and the lower end of the camera assembly (12) is fixedly mounted on the top left side of the base (1).

5. A high temperature flexible circuit board pressure welding jig according to claim 1, characterized in that: The right end of the slide seat (15) is fixedly connected to the right end of the slide rail (14) via a locking bolt (16).

6. A high temperature flexible circuit board pressure welding jig according to claim 1, characterized in that: The rear end and the left end of the pressure welding die (21) are both in contact with the positioning plate (20).