Fixing clamp for circuit board maintenance

Abstract

The utility model discloses a fixing clamp for circuit board maintenance, which relates to the technical field of circuit board maintenance tools and comprises a base body, a rotating frame used for rotating around the center is rotatably mounted in the base body, and two fixing clamping arms used for supporting and fixing are fixedly mounted at the top end of the rotating frame. The inner side of each fixed clamping arm is slidably provided with a movable clamping arm for extruding a circuit board, the side end part of each movable clamping arm is fixedly provided with two telescopic rods for providing driving force, the rotary frame is connected with the base body through a ball bearing, the ball bearing is arranged between the base body and the rotary frame, and the telescopic rods are connected with the rotary frame through a ball bearing. The rotating frame can rotate freely at the top end of the base body by 360 degrees by pushing the rotating frame to bear the weight of a platform and friction force during rotation, the circuit board can be driven to adjust the angle, and maintenance personnel can operate the circuit board from different angles conveniently.

Description

Technical Field

[0001] This utility model relates to the field of circuit board repair tools, and in particular to a fixing clamp for circuit board repair. Background Technology

[0002] During circuit board repair, the circuit board needs to be stably fixed to facilitate operations such as testing, soldering, and component replacement. In practical applications, repair fixtures typically require the following techniques:

[0003] 1. The base provides stable support for the entire fixture;

[0004] 2. Fixing mechanism, used to securely clamp the circuit board;

[0005] 3. Positioning device to help accurately place the circuit board on the fixture;

[0006] Currently, existing circuit board repair fixtures (such as patent publication number: CN220279002U) disclose a circuit board repair fixture that uses a suction cup and a clamping assembly. In use, the entire fixture is attracted and fixed to the worktable by the suction cup, and then the circuit board is clamped and fixed by the first clamping block and the second clamping block, which facilitates the repair of the circuit board.

[0007] Using two simple straight plates for compression and fixation is difficult to meet the fixing requirements of circuit boards of different sizes and shapes. In addition, the circuit boards are prone to displacement due to insecure fixing during operation, which affects the repair accuracy and efficiency, and may even damage the circuit boards due to static electricity or short circuit. Utility Model Content

[0008] To address the shortcomings of existing technologies, this utility model provides a fixing clamp for circuit board repair, which solves the technical problems of using two simple straight plates for compression fixing, which is difficult to meet the fixing requirements of circuit boards of different sizes and shapes, and is prone to circuit board displacement due to insecure fixing during operation, affecting repair accuracy and efficiency, and may even cause damage to the circuit board due to static electricity or short circuit.

[0009] To achieve the above objectives, this utility model provides the following technical solution:

[0010] A circuit board repair fixture includes a base body, inside which a rotating frame for rotating around a center is rotatably mounted. Two fixed clamping arms for supporting and fixing are fixedly mounted on the top of the rotating frame. A movable clamping arm for pressing the circuit board is slidably mounted on the inner side of each fixed clamping arm. Two telescopic rods for providing driving force are fixedly mounted on the side end of each movable clamping arm. A ball bearing is provided at the bottom end of the rotating frame.

[0011] Preferably, each of the movable clamping arms has a rotatable arc-shaped plate rotatably mounted on its side end, and each of the movable clamping arms has a threaded fixing bolt rotatably mounted on its side end;

[0012] Each of the movable clamping arms has a connecting rod that moves in a fixed direction slidably installed on its side end, and an adjustment plate that is fixedly aligned is fixedly installed at the top of each connecting rod.

[0013] Preferably, each of the movable clamping arms is fixedly mounted with a mounting block at its top end, each mounting block is slidably mounted with a downwardly bent and compressed pre-tightening block at its top end, and each pre-tightening block is fixedly mounted with a multi-segment compression reset rod at its bottom end.

[0014] Each of the movable clamping arms is rotatably mounted at its top end with an adjusting screw for limiting the position of the connecting rod, and the top end of the base body is fixedly mounted with an anti-slip pad made of silicone material.

[0015] Compared with the prior art, the present invention has the following beneficial effects;

[0016] In this invention, two arc-shaped plates can rotate to adjust their angles for circuit boards of different shapes. The two ends of the arc-shaped plates can be adapted to different positioning points. Then, by rotating the fixing bolts, the fixing bolts rotate downwards and press to fix the angle of the arc-shaped plates, so as to better fit the edges of circuit boards of different shapes and fix circuit boards of different shapes, thereby increasing the versatility of the tool.

[0017] In this invention, a ball bearing is used to connect the rotating frame and the base body. The ball bearing is installed between the base body and the rotating frame to bear the weight of the platform and the friction during rotation. By pushing the rotating frame, the rotating frame can rotate freely at the top of the base body, allowing it to rotate 360 ​​degrees, which is convenient for maintenance personnel to operate the circuit board from different angles. Attached Figure Description

[0018] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0019] Figure 1 This is a structural diagram of the base body of this utility model;

[0020] Figure 2 This is a structural diagram of the rotating frame of this utility model;

[0021] Figure 3 This is a structural diagram of the fixed clamping arm of this utility model;

[0022] Figure 4 This is a structural diagram of the movable clamping arm of this utility model.

[0023] Legend: 11. Base body; 12. Rotating frame; 13. Fixed clamping arm; 14. Telescopic rod; 15. Movable clamping arm; 16. Connecting rod; 17. Adjusting plate; 18. Arc plate; 19. Fixing bolt; 21. Mounting block; 22. Reset rod; 23. Pre-tightening block; 24. Adjusting screw; 25. Anti-slip pad. Detailed Implementation

[0024] This application provides a circuit board repair clamp that effectively solves the problem of using two simple straight plates for pressing and fixing, which is difficult to meet the fixing requirements of circuit boards of different sizes and shapes. Furthermore, during operation, the circuit board is prone to displacement due to insecure fixing, affecting repair accuracy and efficiency, and may even damage the circuit board due to static electricity or short circuits. The clamp uses two rotating arc-shaped plates to adjust the angle for different shaped circuit boards, allowing the ends of the arc-shaped plates to adapt to different positioning points. By rotating the fixing bolts downwards and pressing, the angle of the arc-shaped plates is fixed, better conforming to the edges of different shaped circuit boards, thus fixing circuit boards of different shapes and increasing the tool's versatility.

[0025] Example

[0026] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the technical solution in this application embodiment effectively solves the problem that using two simple straight plates for compression fixation is difficult to meet the fixing requirements of circuit boards of different sizes and shapes, and that the circuit boards are prone to displacement due to insecure fixing during operation, affecting repair accuracy and efficiency, and may even damage the circuit boards due to static electricity or short circuits. The overall idea is as follows:

[0027] To address the problems existing in the prior art, this utility model provides a circuit board repair fixing fixture, including a base body 11. A rotating frame 12 for rotating around a center is rotatably installed inside the base body 11. Two fixed clamping arms 13 for support and fixing are fixedly installed at the top of the rotating frame 12. A movable clamping arm 15 for pressing the circuit board is slidably installed on the inner side of each fixed clamping arm 13. Antistatic rubber pads are affixed to the inner sides of the rotating frame 12 and the movable clamping arms 15 to effectively prevent static electricity from damaging the circuit board and to avoid scratches or short circuits caused by direct contact with the circuit board. Two telescopic rods 14 for providing driving force are fixedly installed at the side end of each movable clamping arm 15. A ball bearing is provided at the bottom end of the rotating frame 12.

[0028] Each movable clamping arm 15 has a rotatable arc-shaped plate 18 rotatably mounted on its side end, and each movable clamping arm 15 has a threaded fixing bolt 19 rotatably mounted on its side end. By rotating the fixing bolt 19, the fixing bolt 19 rotates downward and presses, fixing the angle of the arc-shaped plate 18, so as to better fit the edge of circuit boards of different shapes, fix circuit boards of different shapes, and increase the versatility of the tool.

[0029] Each movable clamping arm 15 has a connecting rod 16 that moves in a fixed direction slidably mounted on its side end. Each connecting rod 16 has an adjusting plate 17 that is fixedly aligned and fixed at its top. Each movable clamping arm 15 has an mounting block 21 that is fixedly mounted at its top. Each mounting block 21 has a pre-tightening block 23 that bends downward and is pressed slidably mounted at its top. Each pre-tightening block 23 has a multi-stage compression reset rod 22 that is fixedly mounted at its bottom end. The tension applied to the pre-tightening block 23 by the reset rod 22 causes the pre-tightening block 23 to slide downward at the top of the mounting block 21. The end of the pre-tightening block 23 presses against the top of the circuit board. The bottom of the pre-tightening block 23 is also equipped with an anti-static rubber pad. When the circuit board is thin or requires additional fixing force, the pre-tightening block 23 can be lowered to press the circuit board vertically.

[0030] Each movable clamping arm 15 is rotatably mounted at its top end with an adjusting screw 24 for limiting the position of the connecting rod 16. A silicone anti-slip pad 25 is fixedly mounted at the top end of the base body 11. The anti-slip pad 25 is made of silicone and can prevent friction between the circuit board and the base.

[0031] Working principle:

[0032] The first step, during use, involves placing the circuit board on top of the base body 11. By driving the two telescopic rods 14, the rods extend and retract within the fixed clamping arm 13, generating a pushing force on the movable clamping arm 15. This causes the movable clamping arm 15 to press against the side of the circuit board. The body rotates at the side end of the movable clamping arm 15, where two curved plates 18 are mounted. These curved plates 18 have a bent design, with soft pads at both ends to reduce friction with the side of the circuit board during fixing. Simultaneously, the two curved plates 18 can rotate, allowing adjustment for circuit boards of different shapes. The angle is adjusted so that the two ends of the arc plate 18 can adapt to different positioning points. Then, by rotating the fixing bolt 19, the fixing bolt 19 rotates downward and presses to fix the angle of the arc plate 18, so as to better fit the edge of the circuit board of different shapes and fix the circuit board of different shapes, increasing the versatility of the tool. Anti-static rubber pads are attached to the inside of the rotating frame 12 and the movable clamping arm 15 to effectively prevent static electricity from damaging the circuit board and to avoid scratches or short circuits caused by direct contact with the circuit board. At the same time, an anti-slip pad 25 is installed on the top of the base body 11. The anti-slip pad 25 is made of silicone material to prevent friction between the circuit board and the base.

[0033] The second step involves connecting the rotating frame 12 to the base body 11 using a ball bearing. The ball bearing, installed between the base body 11 and the rotating frame 12, bears the weight of the platform and the friction during rotation. Pushing the rotating frame 12 allows it to rotate freely at the top of the base body 11, enabling 360-degree rotation. This facilitates operation of the circuit board from different angles by maintenance personnel. Rotating the adjusting screw 24 at the top of the movable clamping arm 15 moves the adjusting screw 24 upwards, reducing pressure on the connecting rod 16 at its end. Pulling the adjusting plate 17 then moves the connecting rod. 16 moves, and the connecting rod 16 can slide on the side end of the movable clamping arm 15. By rotating the adjusting screw 24 in the opposite direction, the adjusting screw 24 rotates and presses the top of the connecting rod 16 to fix the connecting rod 16. Adjust the position of the adjusting plate 17 to flexibly adjust according to the chip size. The tension applied to the pre-tightening block 23 by the reset rod 22 causes the pre-tightening block 23 to slide downward on the top of the mounting block 21. The end of the pre-tightening block 23 presses the top of the circuit board. The bottom of the pre-tightening block 23 is also equipped with an anti-static rubber pad. When the circuit board is thin or additional fixing force is required, the pre-tightening block 23 can be lowered to press the circuit board vertically.

[0034] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A fixing fixture for circuit board repair, comprising a base body (11), characterized in that, The base body (11) is rotatably mounted with a rotating frame (12) for rotating around the center. Two fixed clamping arms (13) for support and fixation are fixedly mounted on the top of the rotating frame (12). A movable clamping arm (15) for pressing the circuit board is slidably mounted on the inner side of each fixed clamping arm (13). Two telescopic rods (14) for providing driving force are fixedly mounted on the side end of each movable clamping arm (15). A ball bearing is provided at the bottom end of the rotating frame (12).

2. The circuit board repair fixing fixture as described in claim 1, characterized in that, Each of the movable clamping arms (15) has a rotatable arc plate (18) rotatably mounted on its side end, and each of the movable clamping arms (15) has a threaded fixing bolt (19) rotatably mounted on its side end.

3. The circuit board repair fixing fixture as described in claim 1, characterized in that, Each of the movable clamping arms (15) has a connecting rod (16) that moves in a fixed direction slidably installed on its side end, and each of the connecting rods (16) has an adjusting plate (17) that is fixed in position at its top end.

4. A circuit board repair fixing fixture as described in claim 1, characterized in that, Each of the movable clamping arms (15) has a mounting block (21) fixedly installed at its top end. Each of the mounting blocks (21) has a pre-tightening block (23) that is bent downwards and squeezed slidably installed at its top end. Each of the pre-tightening blocks (23) has a multi-segment compression reset rod (22) fixedly installed at its bottom end.

5. A circuit board repair fixing fixture as described in claim 1, characterized in that, Each of the movable clamping arms (15) is rotatably mounted at its top end with an adjusting screw (24) for limiting the position of the connecting rod (16).

6. A circuit board repair fixing fixture as described in claim 1, characterized in that, The top of the base body (11) is fixedly installed with an anti-slip pad (25) made of silicone material.

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