Circuit board clamping device

Abstract

The utility model provides a kind of circuit board clamping device, it is related to circuit board processing and manufacturing field, it includes support assembly, rotating assembly and clamping assembly, clamping assembly and rotating assembly are all set on support assembly;Support assembly includes first support piece and second support piece, first support piece is concave groove structure, first through -hole is set on the side wall of first support piece, and second support piece is set in the inside of concave groove structure;Rotating assembly includes first connecting rod, second connecting rod, third connecting rod, first connecting plate and second connecting plate.The utility model is by being provided with clamping assembly and rotating assembly to make that circuit board can effectively avoid moving, vibrating or deviating during operation when processing or testing, while still can improve assembly efficiency to the angle selection of circuit board, reduce manual intervention time, adapt to batch, quick switching production rhythm.

Description

Technical Field

[0001] This utility model relates to the field of circuit board processing and manufacturing, and specifically to a circuit board clamping device. Background Technology

[0002] A circuit board clamping device is a mechanical structure or device used to secure printed circuit boards (PCBs) during electronic manufacturing and assembly. With the rapid development of electronic products, circuit boards are becoming increasingly dense, miniaturized, and lightweight, requiring higher precision in their processing and assembly. Against this backdrop, the design and use of circuit board clamping devices have become particularly important.

[0003] In multiple processes such as surface mount technology, wave soldering, reflow soldering, inspection and testing, circuit boards must be accurately clamped and positioned to ensure accurate component placement, reliable electrical connections, and qualified soldering quality.

[0004] Traditional manual operation or simple clamping methods are difficult to meet the needs of high-precision and high-efficiency production. Therefore, developing clamping devices suitable for various manufacturing scenarios has become one of the key means to improve manufacturing level and ensure product quality. Utility Model Content

[0005] To address the shortcomings of existing technologies, the present invention aims to provide a circuit board clamping device. By incorporating clamping components, this device effectively prevents the circuit board from moving, vibrating, or shifting during processing or testing, while simultaneously improving assembly efficiency, reducing manual intervention time, and adapting to batch production and rapid changeover schedules. Furthermore, the rotating component of this device allows the circuit board to rotate at multiple angles during clamping, significantly enhancing the flexibility and efficiency of production and operation. Through multi-angle adjustment, the circuit board can achieve optimal angle positioning in various stages such as soldering, inspection, assembly, and repair, effectively solving problems such as soldering dead angles, inspection blind spots, and operational inconvenience caused by fixed angles.

[0006] Specifically, this utility model provides a circuit board clamping device, which includes a support component, a rotating component, and a clamping component, wherein the clamping component and the rotating component are both disposed on the support component;

[0007] The support assembly includes a first support member and a second support member. The first support member has a concave groove structure and a first through hole is provided on one side wall of the first support member. The second support member is disposed inside the concave groove structure.

[0008] The rotating assembly includes a first connecting rod, a second connecting rod, a third connecting rod, a first connecting plate, and a second connecting plate. The second end of the first connecting rod passes through the side wall of the first support member and is telescopically connected to the first end of the second connecting rod. The side wall of the first connecting rod is provided with a first protrusion structure that mates with the first through hole. The second end of the second connecting rod is fixedly connected to the first side of the first connecting plate. One end of the third connecting rod is fixedly connected to the first side of the second connecting plate. Both the second and third connecting rods are provided with a rotating bearing connected to the second support member. The second side of both the first and second connecting plates is provided with a slide rail.

[0009] The clamping assembly includes a first clamping member and a second clamping member. The first clamping member and the second clamping member have the same structure and their two ends are respectively connected to one end of a first connecting plate and a second connecting plate. The first clamping member and the second clamping member each include a clamping frame, a first spring, a compression plate, a third connecting plate, and a clamping member. The two ends of the clamping frame are respectively connected to the ends of the first connecting plate and the second connecting plate. The first spring is disposed in a groove of the clamping frame, and the first end of the first spring is connected to the clamping frame. The second end of the first spring is connected to the first side of the compression plate. The second side of the compression plate is connected to the first end of the third connecting plate. The second end of the third connecting plate is connected to the clamping member. The two sides of the third connecting plate are respectively provided with first sliders that cooperate with the slides of the first connecting plate and the slides of the second connecting plate.

[0010] Preferably, a handle is provided at the first end of the first connecting rod, and a displacement groove is provided at the second end of the first connecting rod. A tension spring and a telescopic assembly are provided in the displacement groove. The tension spring is sleeved on the outside of the telescopic assembly, and the first end of the tension spring is fixedly connected to the second end of the first connecting rod. The second end of the tension spring is fixedly connected to the first end of the second connecting rod. The first end of the telescopic assembly is fixedly connected to the second end of the first connecting rod, and the second end of the telescopic assembly is fixedly connected to the first end of the second connecting rod. Rotation of the telescopic assembly will drive the second connecting rod to rotate.

[0011] Preferably, the telescopic component is a progressive stepped linkage structure, and a second protrusion structure is provided on the side wall of each step, so that the progressive stepped linkage structure can rotate in the same direction.

[0012] Preferably, the clamping component includes a first clamping plate and a second clamping plate. One end of the first clamping plate is fixedly connected to the second end of the third connecting plate, and the two sides of the first clamping plate are respectively provided with second sliders that cooperate with the slides of the first connecting plate and the slides of the second connecting plate. One end of the second clamping plate is hinged to the second end of the second connecting plate. The first clamping plate and the second clamping plate are arranged opposite to each other, and there is a gap between the first clamping plate and the second clamping plate. The height of the gap is the same as the thickness of the circuit board.

[0013] Preferably, a clamping rod is provided on the second end of the second connecting plate, and the first end of the clamping rod is movably connected to the second connecting plate. When the circuit board is installed in the clamping member, the second end of the clamping rod is in close contact with the second clamping plate.

[0014] Preferably, the second support member includes a fixed plate and a triangular plate. The first end face of the fixed plate is fixedly connected to the bottom of the first support member, and the second end face of the fixed plate is fixedly connected to the bottom edge of the triangular plate. The fixed plate and the triangular plate are perpendicular to each other. A second through hole for mounting a rotating bearing is provided at the apex of the triangular plate.

[0015] Preferably, the first through hole is a gear-shaped through hole, and the first protrusion structure is a gear-shaped protrusion structure that mates with the gear-shaped through hole.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] The clamping assembly in this invention ensures the circuit board is securely positioned during processing or testing, significantly preventing poor soldering, component misalignment, or testing errors caused by movement, vibration, or displacement. The clamping assembly, through the cooperation of clamping elements and pressure rods, effectively tightens the circuit board. Simultaneously, the cooperation of the clamping frame, first spring, compression plate, and third connecting plate allows for the clamping of circuit boards of different sizes, ensuring stability while preventing damage to components on the board surface. Furthermore, the use of clamping elements and pressure rods enables rapid loading and unloading and precise alignment of circuit boards, greatly improving assembly efficiency, reducing manual operation frequency, minimizing errors and losses caused by human factors, and enhancing the flexible manufacturing capabilities of the equipment.

[0018] The rotating component in this invention enables the circuit board to rotate at multiple angles during clamping, allowing for optimal angle positioning in various stages such as welding, inspection, assembly, and maintenance, significantly improving the flexibility and efficiency of production and operation. Furthermore, multi-angle adjustment effectively solves problems such as welding dead angles, inspection blind spots, and operational inconvenience caused by fixed angles. This not only helps improve welding quality and inspection coverage but also reduces the occurrence of process defects such as cold solder joints and missed solder joints. Simultaneously, this design allows operators to work from a comfortable and intuitive perspective during debugging and maintenance, improving the ergonomic experience. The rotation function also reduces the number of workstation changes and repeated clamping, facilitating multi-process integration and flexible manufacturing, further improving the level of automation. In addition, for irregularly shaped circuit boards or components with special structures, multi-angle rotation also enhances clamping stability and adaptability to working space. Attached Figure Description

[0019] Figure 1 This is one of the overall structural schematic diagrams of the circuit board clamping device of this utility model;

[0020] Figure 2 This is the second schematic diagram of the overall structure of the circuit board clamping device of this utility model;

[0021] Figure 3 This is a schematic diagram showing the connection between the rotating component and the clamping component of the circuit board clamping device of this utility model;

[0022] Figure 4 This is a schematic diagram showing the connection between the first connecting plate and the second connecting plate of the circuit board clamping device of this utility model and the clamping assembly.

[0023] Figure 5 This is a cross-sectional view of the connection between the first connecting rod and the second connecting rod of the circuit board clamping device of this utility model.

[0024] Figure 6 This is a cross-sectional view of the overall structure of the circuit board clamping device of this utility model.

[0025] Key reference numerals:

[0026] 1. Support assembly; 2. Rotating assembly; 3. Clamping assembly; 4. First support member; 5. Second support member; 6. First connecting rod; 7. Second connecting rod; 8. Third connecting rod; 9. First connecting plate; 10. Second connecting plate; 11. First through hole; 12. First protruding structure; 13. Rotating bearing; 14. Slide rail; 15. Clamping frame; 16. First spring; 17. Compression plate; 18. Third connecting plate; 19. Clamping member; 20. Handle; 21. Displacement groove; 22. Tension spring; 23. Telescopic assembly; 24. Second clamping plate; 25. Fixing plate; 26. Triangular plate; 27. Circuit board; 28. Pressure rod. Detailed Implementation

[0027] The embodiments of this utility model will now be described with reference to the accompanying drawings.

[0028] A circuit board clamping device, such as Figure 1-6 As shown, it includes a support assembly 1, a rotating assembly 2, and a clamping assembly 3. Both the clamping assembly 3 and the rotating assembly 2 are disposed on the support assembly 1. The support assembly 1 includes a first support member 4 and a second support member 5. The first support member 4 has a concave groove structure and a first through hole 11 is provided on the side wall of the first support member 4. The second support member 5 is disposed inside the concave groove structure.

[0029] The rotating assembly 2 includes a first connecting rod 6, a second connecting rod 7, a third connecting rod 8, a first connecting plate 9, and a second connecting plate 10. The first connecting rod 6 is disposed on the side wall of the first support member 4, and a first protrusion structure 12 that mates with the first through hole 11 is provided on the side wall of the first connecting rod 6. The second end of the first connecting rod 6 is telescopically connected to the first end of the second connecting rod 7. The second end of the second connecting rod 7 is fixedly connected to the first side of the first connecting plate 9. One end of the third connecting rod 8 is fixedly connected to the first side of the second connecting plate 10. Both the second connecting rod 7 and the third connecting rod 8 are provided with a rotating bearing 13 that is connected to the second support member 5. The second side of both the first connecting plate 9 and the second connecting plate 10 is provided with a slide rail 14.

[0030] The clamping assembly 3 includes a first clamping member and a second clamping member. The first clamping member and the second clamping member have the same structure and their two ends are respectively connected to one end of the first connecting plate 9 and the second connecting plate 10. The first clamping member and the second clamping member each include a clamping frame 15, a first spring 16, a compression plate 17, a third connecting plate 18 and a clamping member 19. The two ends of the clamping frame 15 are respectively connected to the ends of the first connecting plate 9 and the second connecting plate 10. The first spring 16 is disposed in the groove of the clamping frame 15, and the first end of the first spring 16 is connected to the clamping frame 15. The second end of the first spring 16 is connected to the first side of the compression plate 17. The second side of the compression plate 17 is connected to the first end of the third connecting plate 18. The second end of the third connecting plate 18 is connected to the clamping member 19. The two sides of the third connecting plate 18 are provided with first sliders that cooperate with the slide rails 14 of the first connecting plate 9 and the slide rails 14 of the second connecting plate 10.

[0031] The first end of the first link 6 is provided with a handle 20, and the second end of the first link 6 is provided with a displacement groove 21. A tension spring 22 and a telescopic component 23 are provided in the displacement groove 21. The tension spring 22 is sleeved on the outside of the telescopic component 23, and the first end of the tension spring 22 is fixedly connected to the second end of the first link 6. The second end of the tension spring 22 is fixedly connected to the first end of the second link 7. The first end of the telescopic component 23 is fixedly connected to the second end of the first link 6, and the second end of the telescopic component 23 is fixedly connected to the first end of the second link 7. Rotation of the telescopic component 23 will drive the second link 7 to rotate.

[0032] The telescopic component 23 is a progressive stepped linkage structure, and a second protrusion structure is provided on the side wall of each step, so that the progressive stepped linkage can rotate in the same direction.

[0033] The clamping member 19 includes a first clamping plate and a second clamping plate 24. One end of the first clamping plate is fixedly connected to the second end of the third connecting plate 18, and the first clamping plate has second sliders on both sides that cooperate with the slide rail 14. One end of the second clamping plate 24 is hinged to the second end of the second connecting plate 10. The first clamping plate and the second clamping plate 24 are arranged opposite to each other. Both the first clamping plate and the second clamping plate 24 are made of flexible material and can be replaced with corresponding clamping plates according to the different thicknesses of the circuit board 27. This makes the gap between the first clamping plate and the second clamping plate 24 the same as the thickness of the circuit board 27 to be clamped. The flexible material setting ensures that the first clamping plate and the second clamping plate 24 will not damage the circuit board 27 when clamping.

[0034] A clamping rod 28 is provided on the second end of the second connecting plate 10. The first end of the clamping rod 28 is movably connected to the second connecting plate 10. When the circuit board 27 is installed on the clamping member 19, the second end of the clamping rod 28 is in close contact with the second clamping plate 24.

[0035] The second support member 5 includes a fixing plate 25 and a triangular plate 26. The first end face of the fixing plate 25 is fixedly connected to the first support member 4, and the second end face of the fixing plate 25 is fixedly connected to one side of the triangular plate 26. The fixing plate 25 and the triangular plate 26 are perpendicular to each other. A second through hole for mounting the rotating bearing 13 is provided at the vertex of the triangular plate 26.

[0036] Work process:

[0037] First, rotate the clamping rod 28 so that it is positioned above the third connecting plate 18, lift the second clamping plate 24, and then install the circuit board 27 between the first clamping plate and the second clamping plate 24. At this time, the first spring 16 will press the circuit board 27, making the circuit board 27 fit tightly against the clamping member 19. Cover the circuit board 27 with the second clamping plate 24, and then rotate the clamping rod 28 so that its second end is above the second clamping plate 24. Finally, by pulling or pushing the first connecting rod 6, the first protrusion structure 12 on the first connecting rod 6 is separated from the first through hole 11. The first link 6 will not fall downwards under the action of the telescopic component 23. By rotating the first link 6, the telescopic component 23, the second link 7, the first connecting plate 9, the second connecting plate 10, and the clamping component 3 will rotate, thereby selecting the angle of the clamped circuit board 27, so as to meet the clamping or angle adjustment needs of the circuit board 27 for processing or maintenance. After the angle selection is completed, the first link 6 will be reset by the action of the second spring or external force by releasing or pushing the first link 6, so that the first protrusion structure 12 of the first link 6 is connected to the first through hole 11 to locate the angle.

[0038] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A circuit board holding device characterized by comprising: It includes a support assembly, a rotating assembly, and a clamping assembly, with the clamping assembly and the rotating assembly both mounted on the support assembly; The support assembly includes a first support member and a second support member. The first support member has a concave groove structure and a first through hole is provided on one side wall of the first support member. The second support member is disposed inside the concave groove structure. The rotating assembly includes a first connecting rod, a second connecting rod, a third connecting rod, a first connecting plate, and a second connecting plate. The second end of the first connecting rod passes through the side wall of the first support member and is telescopically connected to the first end of the second connecting rod. The side wall of the first connecting rod is provided with a first protrusion structure that mates with the first through hole. The second end of the second connecting rod is fixedly connected to the first side of the first connecting plate. One end of the third connecting rod is fixedly connected to the first side of the second connecting plate. Both the second and third connecting rods are provided with a rotating bearing connected to the second support member. The second side of both the first and second connecting plates is provided with a slide rail. The clamping assembly includes a first clamping member and a second clamping member. The first clamping member and the second clamping member have the same structure and their two ends are respectively connected to one end of a first connecting plate and a second connecting plate. The first clamping member and the second clamping member each include a clamping frame, a first spring, a compression plate, a third connecting plate, and a clamping member. The two ends of the clamping frame are respectively connected to the ends of the first connecting plate and the second connecting plate. The first spring is disposed in a groove of the clamping frame, and the first end of the first spring is connected to the clamping frame. The second end of the first spring is connected to the first side of the compression plate. The second side of the compression plate is connected to the first end of the third connecting plate. The second end of the third connecting plate is connected to the clamping member. The two sides of the third connecting plate are respectively provided with first sliders that cooperate with the slides of the first connecting plate and the slides of the second connecting plate.

2. The circuit board holding apparatus according to claim 1, characterized by: The first end of the first link is provided with a handle, and the second end of the first link is provided with a displacement groove. A tension spring and a telescopic component are provided in the displacement groove. The tension spring is sleeved on the outside of the telescopic component, and the first end of the tension spring is fixedly connected to the second end of the first link. The second end of the tension spring is fixedly connected to the first end of the second link. The first end of the telescopic component is fixedly connected to the second end of the first link. The second end of the telescopic component is fixedly connected to the first end of the second link. Rotation of the telescopic component will drive the second link to rotate.

3. The circuit board holding apparatus according to claim 2, characterized by: The telescopic assembly is a progressive stepped linkage structure, and a second protrusion structure is provided on the side wall of each step, so that the progressive stepped linkage structure can rotate in the same direction.

4. The circuit board holding apparatus according to claim 1, characterized by: The clamping component includes a first clamping plate and a second clamping plate. One end of the first clamping plate is fixedly connected to the second end of the third connecting plate, and the two sides of the first clamping plate are respectively provided with second sliders that cooperate with the slides of the first and second connecting plates. One end of the second clamping plate is hinged to the second end of the second connecting plate. The first and second clamping plates are arranged opposite to each other, and there is a gap between the first and second clamping plates. The height of the gap is the same as the thickness of the circuit board.

5. The circuit board holding apparatus according to claim 4, characterized by: A clamping rod is provided on the second end of the second connecting plate. The first end of the clamping rod is movably connected to the second connecting plate. When the circuit board is installed in the clamping component, the second end of the clamping rod is in close contact with the second clamping plate.

6. The circuit board holding apparatus according to claim 1, characterized by: The second support includes a fixed plate and a triangular plate. The first end face of the fixed plate is fixedly connected to the bottom of the first support, and the second end face of the fixed plate is fixedly connected to the bottom edge of the triangular plate. The fixed plate and the triangular plate are perpendicular to each other. A second through hole for mounting a rotating bearing is provided at the vertex of the triangular plate.

7. The circuit board holding apparatus according to claim 1, characterized by: The first through hole is a gear-shaped through hole, and the first protrusion structure is a gear-shaped protrusion structure that mates with the gear-shaped through hole.

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