PCB and flexible board welding jig
By designing a PCB board and flexible board welding fixture, the fixture table, clamping mechanism and spinning assembly are used to achieve precise positioning of the flexible board and PCB board, which solves the problems of inaccurate positioning and warping of the flexible board and improves welding accuracy and efficiency.
Patent Information
- Application Number
- CN202423277709.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing technologies, flexible boards are not accurately positioned when soldering to PCB boards, which easily leads to warping and a decrease in soldering accuracy and yield.
A PCB board and flexible board welding fixture was designed, including a fixture table, a clamping mechanism and a spinning assembly. The clamping assembly and positioning groove achieve precise positioning of the flexible board and PCB board, and the magnetic suction assembly and spinning assembly are used to improve the positioning accuracy.
It improves the positioning accuracy of flexible boards and PCBs, solves the warping problem, and enhances welding accuracy and efficiency.
Smart Images
Figure CN223819788U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of welding technology, and in particular to a welding fixture for PCB boards and flexible boards. Background Technology
[0002] In existing technologies, welding equipment needs to weld the welding points of flexible boards and PCBs. Due to the thinness and flexibility of flexible boards, inaccurate positioning of welding points and warping of flexible boards are prone to occur during the positioning and placement process, which affects the welding accuracy of the welding equipment and reduces the welding yield. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a welding fixture for PCB board and flexible board, which improves the positioning accuracy of PCB board and flexible board, thereby improving the welding yield.
[0004] The technical solution adopted by this utility model to solve its technical problem is: a PCB board and flexible board welding fixture, including a base plate, on which two fixture assemblies are symmetrically arranged. The fixture assembly includes a fixture table for fixing the PCB board, a pressing mechanism for pressing the welding ends of several flexible boards onto the PCB board, and a spinning assembly for pressing several flexible boards onto the fixture table.
[0005] The clamping mechanism includes a base, on which are arranged a plurality of clamping components for clamping the flexible board and a plurality of first pressure plates for clamping the PCB board on the fixture table. Each clamping component includes a pressure block and a second pressure plate. The second pressure plate is fixedly connected to the pressure block. The end of the pressure block near the second pressure plate is rotatably connected to the base via a rotating pin. A spring is provided between the end of the pressure block away from the second pressure plate and the base. The second pressure plate is located between two adjacent first pressure plates, and a positioning groove is formed between the second pressure plate and the two adjacent first pressure plates for positioning the welding end of the flexible board.
[0006] In one embodiment, the PCB board and flexible board welding fixture is provided with a groove and a number of positioning pins for positioning the PCB board. When the PCB board is fixed on the fixture by the positioning pins, the groove is located below the PCB board.
[0007] In one embodiment, a magnetic attraction assembly is provided between the clamping mechanism of the PCB board and flexible board welding fixture and the base plate. The magnetic attraction assembly includes a fixed base and a plurality of first magnets for attracting the base of the clamping mechanism. The first magnets are sequentially and spaced apart on the fixed base.
[0008] In one embodiment, the fixing seat of the PCB board and flexible board welding fixture is provided with two positioning posts for positioning the clamping mechanism, and the base is provided with positioning holes for positioning and engaging the positioning posts.
[0009] In one embodiment, the first pressure plate of the PCB board and flexible board welding fixture is provided with a positioning notch for positioning the welding end of the flexible board.
[0010] In one embodiment, the second pressure plate of the PCB board and flexible board welding fixture has two pressure strips, and the two ends of the pressure strips are provided with arc-shaped notches for avoiding the welding parts of the flexible board.
[0011] In one embodiment, the base of the PCB board and flexible board welding fixture is provided with a limiting strip for limiting the rotation angle of the pressure block. The limiting strip is located above several pressure blocks and is provided with a limiting groove for the pressure block to rotate.
[0012] In one embodiment, the base of the PCB board and flexible board welding fixture is further provided with a pull rod for moving the clamping mechanism, and the pull rod is fixedly installed on the base.
[0013] In one embodiment, the spinning assembly of the PCB board and flexible board welding fixture includes a spinning rod and a mounting base. The mounting base is mounted on the base plate, and one end of the spinning rod is hinged to the mounting base. Rotating the spinning rod presses several flexible boards onto the fixture table.
[0014] In one embodiment, a plurality of second magnets are provided on the fixture table of the PCB board and flexible board welding fixture, and the second magnets are used to clamp the spinning assembly.
[0015] The beneficial effects of this application are as follows:
[0016] This application provides a PCB board and flexible board welding fixture. This fixture, through the coordinated arrangement of a fixture table, a clamping mechanism, and a spinning assembly, achieves precise positioning of the flexible board and the PCB board, ensuring that the welding points on the PCB board and the flexible board are accurately aligned, allowing for soldering operations using welding equipment. This welding fixture improves the positioning accuracy of the PCB board and the flexible board, solves problems such as poor positioning and warping of the flexible board, and improves welding accuracy and efficiency. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of a PCB board and flexible board welding fixture according to an embodiment of this application.
[0018] Figure 2 This is a schematic diagram from another perspective of the PCB board and flexible board welding fixture according to an embodiment of this application;
[0019] Figure 3 This is a schematic diagram of the clamping mechanism, fixture table, and spinning assembly of the PCB board and flexible board welding fixture according to an embodiment of this application.
[0020] Figure 4 This is a schematic diagram of the magnetic suction assembly of the PCB board and flexible board welding fixture according to an embodiment of this application;
[0021] in:
[0022] 1. Base plate; 2. Fixture table; 3. Clamping mechanism; 4. Spinning assembly; 5. Magnetic suction assembly; 6. PCB board; 7. Flexible board; 21. Groove; 22. Positioning pin; 23. Second magnet; 31. Base; 32. Clamping assembly; 33. First pressure plate; 34. Limiting strip; 35. Positioning hole; 36. Pull rod; 321. Pressure block; 322. Second pressure plate; 323. Rotating pin; 324. Spring; 331. Positioning notch; 332. Positioning groove; 341. Limiting groove; 001. Pressure strip; 002. Arc-shaped notch; 41. Rotating rod; 42. Mounting base; 51. Fixing base; 52. First magnet; 53. Positioning post. Detailed Implementation
[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0024] like Figure 1 and Figure 2 As shown, an embodiment of this application provides a PCB board and flexible board welding fixture, including a base plate 1, on which two fixture assemblies are symmetrically arranged. The fixture assembly includes a fixture table 2 for fixing the PCB board 6, a pressing mechanism 3 for pressing the welding ends of a plurality of flexible boards 7 onto the PCB board 6, and a spinning assembly 4 for pressing the plurality of flexible boards 7 onto the fixture table 2.
[0025] The clamping mechanism 3 includes a base 31, on which a plurality of clamping components 32 for clamping the flexible board 7 and a plurality of first pressure plates 33 for clamping the PCB board 6 on the fixture table 2 are sequentially arranged. The clamping components 32 include a pressure block 321 and a second pressure plate 322. The second pressure plate 322 is fixedly connected to the pressure block 321. The end of the pressure block 321 near the second pressure plate 322 is rotatably connected to the base 31 through a rotating pin 323. A spring 324 is provided between the end of the pressure block 321 away from the second pressure plate 322 and the base 31. The second pressure plate 322 is located between two adjacent first pressure plates 33. A positioning groove 332 for positioning the welding end of the flexible board 7 is formed between the second pressure plate 322 and the two adjacent first pressure plates 33.
[0026] Specifically, four circular PCBs 6 are mounted on PCB board 6, and four flexible boards 7 need to be soldered to the soldering points of the circular PCBs 6 respectively. Four clamping components 32 and five first pressure plates 33 are sequentially mounted on base 31. First, the PCB board 6 is fixed on the carrier platform, and then the clamping mechanism 3 is fixed on the base plate 1. The five first pressure plates 33 of the clamping mechanism 3 press the four circular PCBs 6 on the PCB board 6 onto the fixture platform 2. At the same time, the second pressure plates 322 of the four clamping components 32 also press the four circular PCBs 6 together. When it is necessary to position the soldering points of the flexible boards 7 and the circular PCBs 6 together, the left hand can press the pressure block 321, which compresses the spring 324, causing the second pressure plate 322 to move upward and release the circular PCBs 6. The right hand can then insert the soldering end of the flexible board 7 into the two adjacent... In the positioning groove 332 between the first pressure plates 33, the two first pressure plates 33 position the front end and the left and right ends of the flexible board 7, so that the four welding points of the flexible board 7 correspond to the four welding points of the circular PCB board 6. Then, the left hand releases the pressure block 321, and the pressure block 321 returns to its original position under the force of the spring 324, so that the first pressure plate 33 presses firmly on the flexible board 7 and the PCB board 6. The arc-shaped notch 002 on the first pressure plate 33 avoids the welding points. Finally, the spinning assembly 4 is pressed firmly on the other end of the flexible board 7 to prevent the other end of the flexible board 7 from warping.
[0027] In the above structure, by setting four clamping components 32 and five first pressure plates 33 on the base 31, the four circular PCB boards 6 and four flexible boards 7 on the fixture table 2 are clamped and positioned respectively, improving the positioning accuracy of the flexible boards 7 and PCB boards 6. By setting a spinning component 4 to clamp the other end of the flexible board 7, warping of the flexible board 7 can be effectively avoided. This welding fixture improves the positioning effect of the PCB board 6 and flexible board 7, solves the problems of poor positioning and warping of the flexible board 7, and improves the welding accuracy and welding efficiency.
[0028] like Figure 3As shown, in one embodiment, the fixture table 2 of the PCB board and flexible board welding fixture is provided with a groove 21 and several positioning pins 22 for positioning the PCB board 6. When the PCB board 6 is fixed on the fixture table 2 by the positioning pins 22, the groove 21 is located below the PCB board 6. Four positioning pins 22 are arranged circumferentially along the groove 21, and four positioning holes 35 are provided on the PCB board 6. When the PCB board 6 is placed on the fixture table 2, the four positioning pins 22 extend into the positioning holes 35 of the PCB board 6 to position the PCB board 6, and the groove 21 is located directly below the PCB board 6. When the welding equipment solders the flexible board 7 and the circular PCB board 6, the circular PCB board 6 is heated. The groove 21 on the fixture table 2 can dissipate heat from the circular PCB board 6, preventing the fixture table 2 from absorbing heat and improving the heat dissipation effect of the circular PCB board 6. The positioning pins 22 facilitate the positioning of the PCB board 6.
[0029] like Figure 1 and Figure 4 As shown, in one embodiment, a magnetic attraction assembly 5 is provided between the clamping mechanism 3 of the PCB board and flexible board welding fixture and the base plate 1. The magnetic attraction assembly 5 includes a fixed base 51 and several first magnets 52 for attracting the base 31 of the clamping mechanism 3. The first magnets 52 are sequentially and spaced apart on the fixed base 51. The magnetic attraction assembly 5 is mounted on the base plate 1 and is located on one side of the fixture table 2. When the clamping mechanism 3 is mounted on the fixed base 51 of the magnetic attraction assembly 5, the four first magnets 52 on the fixed base 51 attract the base 31 of the clamping mechanism 3. This arrangement improves the fixing strength of the clamping mechanism 3.
[0030] like Figure 3 and Figure 4 As shown, in one embodiment, the fixing base 51 of the PCB board and flexible board welding fixture is provided with two positioning posts 53 for positioning the clamping mechanism 3, and the base 31 is provided with positioning holes 35 for positioning and engaging the positioning posts 53. When the base 31 of the clamping mechanism 3 is mounted on the fixing base 51, the two positioning posts 53 on the fixing base 51 extend into the two positioning holes 35 of the base 31 for positioning and engagement. This arrangement improves the positioning strength of the clamping mechanism 3 and the magnetic suction assembly 5.
[0031] like Figure 3As shown, in one embodiment, the first pressure plate 33 of the PCB board and flexible board welding fixture is provided with a positioning notch 331 for positioning the welding end of the flexible board 7. When the flexible board 7 is manually placed on the circular PCB board 6, the two end corners of the welding end of the flexible board 7 respectively engage with the positioning notches 331 of the two adjacent first pressure plates 33, so that the two adjacent first pressure plates 33 position the front end and the left and right ends of the flexible board 7. This setting effectively improves the positioning accuracy of the flexible board 7.
[0032] like Figure 3 As shown, in one embodiment, the second pressure plate 322 of the PCB board and flexible board welding fixture has two pressure strips 001. Both ends of the pressure strips 001 are provided with arc-shaped notches 002 for avoiding the welding points of the flexible board 7. The arc-shaped notches 002 allow for avoidance of the four welding points of the flexible board 7 and the PCB board 6. The pressure strips 001 not only achieve the clamping of the flexible board 7 but also achieve the avoidance of the welding points.
[0033] like Figure 2 As shown, in one embodiment, the base 31 of the PCB board and flexible board welding fixture is provided with a limiting strip 34 for limiting the rotation angle of the pressure block 321. The limiting strip 34 is located above several pressure blocks 321, and the limiting strip 34 is provided with a limiting groove 341 for the pressure block 321 to rotate. When the pressure block 321 is manually pressed, the end of the pressure block 321 near the second pressure plate 322 drives the second pressure plate 322 to move upward. When the pressure block 321 contacts the limiting groove 341 of the limiting strip 34, the pressure block 321 stops rotating. This setting facilitates limiting the rotation angle of the pressure block 321 and can effectively prevent excessive pressing.
[0034] like Figure 1 As shown, in one embodiment, the base 31 of the PCB board and flexible board welding fixture is further provided with a pull rod 36 for moving the clamping mechanism 3, and the pull rod 36 is fixedly installed on the base 31. This arrangement enables quick disassembly and positioning of the clamping mechanism 3, improving assembly efficiency.
[0035] like Figure 3 As shown, in one embodiment, the spinning assembly 4 of the PCB board and flexible board welding fixture includes a spinning rod 41 and a mounting base 42. The mounting base 42 is mounted on the base plate 1, and one end of the spinning rod 41 is hinged to the mounting base 42. Rotating the spinning rod 41 presses several flexible boards 7 onto the fixture table 2. After the welding points of the four flexible boards 7 and the four circular PCB boards 6 are positioned one by one, the spinning rod 41 is manually pulled downwards to press them onto the four flexible boards 7 and the fixture table 2. This arrangement can prevent warping of the tail of the flexible board 7 and avoid damage to the tail of the flexible board 7 during the welding process.
[0036] like Figure 3 As shown, in one embodiment, the fixture table 2 of the PCB board and flexible board welding fixture is provided with several second magnets 23, which are used to clamp the spinning assembly 4. When the spinning rod 41 presses the flexible board 7 onto the fixture table 2, the second magnets 23 clamp the spinning rod 41. This arrangement effectively improves the clamping strength of the spinning rod 41 and avoids the spinning rod 41 from loosening during the welding process.
[0037] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A PCB board and flexible board welding fixture, characterized in that, Includes a base plate (1), on which two fixture assemblies are symmetrically arranged. The fixture assemblies include a fixture table (2) for fixing the PCB board (6), a pressing mechanism (3) for pressing the welding ends of several flexible boards (7) onto the PCB board (6), and a spinning assembly (4) for pressing several flexible boards (7) onto the fixture table (2). The clamping mechanism (3) includes a base (31), on which a plurality of clamping components (32) for clamping the flexible board (7) and a plurality of first pressure plates (33) for clamping the PCB board (6) on the fixture table (2) are arranged in sequence. The clamping component (32) includes a pressure block (321) and a second pressure plate (322). The second pressure plate (322) is fixedly connected to the pressure block (321). The end of the pressure block (321) near the second pressure plate (322) is rotatably connected to the base (31) through a rotating pin (323). The end of the pressure block (321) away from the second pressure plate (322) is provided with a spring (324) between it and the base (31). The second pressure plate (322) is located between two adjacent first pressure plates (33). A positioning groove (332) for positioning the welding end of the flexible board (7) is formed between the second pressure plate (322) and the two adjacent first pressure plates (33).
2. The PCB board and flexible board welding fixture according to claim 1, characterized in that, The fixture table (2) is provided with a groove (21) and a number of positioning pins (22) for positioning the PCB board (6). When the PCB board (6) is fixed on the fixture table (2) by the positioning pins (22), the groove (21) is located below the PCB board (6).
3. The PCB board and flexible board welding fixture according to claim 1, characterized in that, A magnetic attraction assembly (5) is provided between the pressing mechanism (3) and the base plate (1). The magnetic attraction assembly (5) includes a fixed base (51) and several first magnets (52) for attracting the base (31) of the pressing mechanism (3). The first magnets (52) are installed on the fixed base (51) in sequence at intervals.
4. The PCB board and flexible board welding fixture according to claim 3, characterized in that, The fixed base (51) is provided with two positioning pins (53) for positioning the clamping mechanism (3), and the base (31) is provided with positioning holes (35) for positioning and engaging the positioning pins (53).
5. The PCB board and flexible board welding fixture according to claim 1, characterized in that, The first pressure plate (33) is provided with a positioning notch (331) for positioning the welding end of the flexible plate (7).
6. The PCB board and flexible board welding fixture according to claim 1, characterized in that, The second pressure plate (322) has two pressure strips (001), and the two ends of the pressure strips (001) are provided with arc-shaped notches (002) for avoiding the welding parts of the flexible plate (7).
7. The PCB board and flexible board welding fixture according to claim 1, characterized in that, The base (31) is provided with a limiting strip (34) for limiting the rotation angle of the pressure block (321). The limiting strip (34) is located above several pressure blocks (321), and the limiting strip (34) is provided with a limiting groove (341) for the pressure block (321) to rotate.
8. The PCB board and flexible board welding fixture according to claim 1, characterized in that, The base (31) is also provided with a pull rod (36) for moving the clamping mechanism (3), and the pull rod (36) is fixedly installed on the base (31).
9. The PCB board and flexible board welding fixture according to claim 1, characterized in that, The spinning assembly (4) includes a spinneret (41) and a mounting base (42). The mounting base (42) is mounted on the base plate (1). One end of the spinneret (41) is hinged to the mounting base (42). Rotating the spinneret (41) presses several flexible plates (7) onto the fixture table (2).
10. The PCB board and flexible board welding fixture according to claim 1, characterized in that, The fixture table (2) is provided with several second magnets (23), which are used to clamp the spinning assembly (4).