Compressing and fixing device of circuit board

Abstract

The utility model discloses a pressing and fixing device for a circuit board, which belongs to the technical field of circuit board production and processing and comprises a processing table, a convex plate arranged on the front side of the processing table, a controller arranged on the upper side of the convex plate, two clamping plates symmetrically arranged on the upper side of the processing table in parallel, and an elastic guide assembly arranged between the clamping plates and the processing table. An elastic force back-jacking assembly is arranged on one side of the clamping plate, a circuit board limiting and fixing assembly is arranged on the upper side of the clamping plate and used for limiting and fixing a circuit board and the clamping plate, the elastic force guiding assembly comprises a first guiding groove, the first guiding groove is formed in the upper side of the machining table, and a first guiding rod is arranged in the first guiding groove. The clamping plate is slidably sleeved on the outer side of the first guide rod, a first spring is arranged on one side of the clamping plate, and the first spring is sleeved on the outer side of the first guide rod. The circuit board clamping device solves the problems that when a circuit board is pressed and fixed, rigid clamping is prone to damaging the circuit board, and the circuit board cracks due to the fact that clamping force is too large.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board production and processing, in particular to a pressing and fixing device for a circuit board. Background Art

[0002] Circuit board is a printed circuit board, also known as a printed circuit board. It is the provider of electrical connections for electronic components. The main advantage of using circuit boards is that they greatly reduce wiring and assembly errors, improve the level of automation and production labor rate. Circuit boards use insulating boards as substrates, cut into a certain size, with at least one conductive pattern attached to it, and are provided with holes (such as component holes, fastening holes, metallized holes, etc.), which are used to replace the chassis of electronic components in the past and realize the interconnection between electronic components.

[0003] In the process of circuit board processing, in order to prevent the circuit board from being displaced during processing, a clamping device is often used to fix the circuit board. The existing clamping and fixing device is prone to excessive pressure during the clamping process of the circuit board, causing damage to the circuit board, and rigid clamping is prone to damage the circuit board itself. For this reason, we propose a clamping and fixing device for the circuit board. Utility Model Content

[0004] The utility model is to solve the shortcomings of the prior art and propose a circuit board clamping and fixing device, which solves the problem that when the circuit board is clamped and fixed, rigid clamping can easily damage the circuit board, and excessive clamping force can cause the circuit board to crack.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A clamping and fixing device for a circuit board comprises a processing table, a convex plate is arranged on the front side of the processing table, a controller is arranged on the upper side of the convex plate, two clamping plates are arranged on the upper side of the processing table in parallel and symmetrically, an elastic guide component is arranged between the clamping plate and the processing table, an elastic return component is arranged on one side of the clamping plate, a circuit board limiting and fixing component is arranged on the upper side of the clamping plate, and the circuit board limiting and fixing component is used to limit and fix the circuit board and the clamping plate.

[0007] Through the above technical solution, the circuit board is inserted between the two clamps, and the size of the circuit board itself is used to push the clamp, the clamp pushes the elastic guide component, and at the same time one side of the circuit board pushes the elastic return component. When the circuit board moves to the specified position, the circuit board limiting and fixing component limits and fixes the circuit board and the clamp to complete the clamping and fixing of the circuit board, thereby providing a flexible clamping function for the clamping and fixing of the circuit board, and at the same time, it can be clamped and fixed adaptively according to the size of the circuit board itself.

[0008] Preferably, the elastic guide assembly includes a guide groove 1, which is arranged on the upper side of the processing table, a guide rod 1 is arranged in the guide groove 1, the clamping plate is slidably sleeved on the outer side of the guide rod 1, and a spring 1 is arranged on one side of the clamping plate, and the spring is sleeved on the outer side of the guide rod 1.

[0009] Through the above technical solution, the clamp moves on the guide rod 1 in the guide groove 1 to push the spring 1, and the rebound force of the spring 1 provides a push-back function for the clamp, while the clamp provides an elastic adaptive clamping and pressing function for the circuit board.

[0010] Preferably, the elastic return assembly includes a second guide groove, which is arranged on one side of the splint, a second guide rod is arranged in the second guide groove, a push plate is sleeved on the outer side of the second guide rod, a second spring is arranged on one side of the push plate, the second spring is sleeved on the outer side of the second guide rod, a fixing part is arranged on one side of the push plate, and the fixing part is used to fix the position of the push plate.

[0011] Through the above technical solution, the circuit board pushes the push plate, and the push plate moves on the guide rod 2 in the guide groove 2 to push the spring 2. After moving to the specified position, the fixing part limits the push plate. After the circuit board processing is completed, the limit of the push plate by the fixing part is released, and the push plate is pushed back by the rebound force of the spring 2, providing the circuit board with an elastic push-back function.

[0012] Preferably, the fixing member comprises a side plate, the side plate is arranged at the rear side of the push plate, an electric push rod 1 is arranged on the upper side of the side plate, and a fixing block is arranged at the shaft end of the electric push rod 1.

[0013] Through the above technical solution, the electric push rod on the side plate pushes the fixed block to contact the upper side of the processing table, providing a position fixing function for the push plate.

[0014] Preferably, the circuit board limiting and fixing assembly includes a groove, which is arranged on the upper side of the clamp, a motor is arranged on the front side of the clamp, a threaded rod is arranged at the shaft end of the motor, the threaded rod is arranged in the groove, a movable seat is threadedly connected to the outer side of the threaded rod, a support frame is arranged on the upper side of the movable seat, an electric push rod 2 is arranged on the upper side of the support frame, and a limiting strip is arranged at the shaft end of the electric push rod 2.

[0015] Through the above technical solution, after the circuit board is placed, the motor drives the threaded rod to rotate, and after the threaded rod threaded transmission moving seat moves to the specified position, the electric push rod 2 on the support frame pushes the limit bar to contact the upper side of the processing table, thereby providing a limit fixing function for the circuit board and the clamping plate.

[0016] Preferably, a support seat is provided at the lower corner of the processing table, and a rubber plate is provided on the lower side of the support seat.

[0017] Through the above technical solution, the rubber plate cooperates with the support seat to provide an anti-slip support function for the processing table.

[0018] To sum up, the utility model inserts the circuit board between the two clamping plates, and uses the size of the circuit board itself to push the clamping plate, and the clamping plate moves on the guide rod one in the guide groove one to push the spring one, and uses the rebound force of the spring one to perform the first clamping and limiting of the circuit board. At the same time, the circuit board pushes the push plate, and the push plate moves on the guide rod two in the guide groove two to push the spring two. After moving to the specified position, the electric push rod one on the side plate pushes the fixed block to contact with the upper side of the processing table, and the circuit board is limited for the second time. After that, the motor drives the threaded rod to rotate, and after the threaded rod thread transmission moving seat moves to the specified position, the electric push rod two on the support frame pushes the limit bar to contact with the upper side of the processing table, thereby providing a flexible clamping function for the circuit board to be pressed and fixed, and at the same time, it can be adaptively clamped and fixed according to the size of the circuit board itself, and the circuit board is fully limited to improve the processing stability.

[0019] According to the utility model, after the circuit board is placed, the motor drives the threaded rod to rotate, and after the threaded rod thread transmission moving seat moves to the specified position, the electric push rod on the support frame pushes the limit bar to contact the upper side of the processing table, thereby providing a limit fixing function for the circuit board and the clamping plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the explosive structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the front axial side of the utility model;

[0022] Figure 3 It is a schematic structural diagram of the utility model when the shaft side is cut from the front.

[0023] In the figure: 1. processing table; 2. convex plate; 3. controller; 4. clamping plate; 5. guide groove 1; 6. guide rod 1; 7. spring 1; 8. guide groove 2; 9. guide rod 2; 10. push plate; 11. spring 2; 12. side plate; 13. electric push rod 1; 14. fixed block; 15. groove; 16. motor; 17. threaded rod; 18. moving seat; 19. support frame; 20. electric push rod 2; 21. limit strip; 22. support seat. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] like Figure 1-Figure 3As shown, a clamping and fixing device for a circuit board comprises a processing table 1, a convex plate 2 is arranged on the front side of the processing table 1, a controller 3 is arranged on the upper side of the convex plate 2, two clamping plates 4 are arranged parallel and symmetrically on the upper side of the processing table 1, an elastic guide component is arranged between the clamping plate 4 and the processing table 1, the elastic guide component comprises a guide groove 5, the guide groove 5 is arranged on the upper side of the processing table 1, a guide rod 6 is arranged in the guide groove 5, the clamping plate 4 is slidably sleeved on the outer side of the guide rod 6, a spring 7 is arranged on one side of the clamping plate 4, and the spring 7 is sleeved on the outer side of the guide rod 6,

[0026] One side of the clamping plate 4 is provided with an elastic return assembly, which includes a guide groove 28, which is provided on one side of the clamping plate 4, a guide rod 29 is provided in the guide groove 28, a push plate 10 is sleeved on the outer side of the guide rod 29, a spring 21 is provided on one side of the push plate 10, and the spring 211 is sleeved on the outer side of the guide rod 29, a fixing piece is provided on one side of the push plate 10, and the fixing piece is used to fix the position of the push plate 10, and the fixing piece includes a side plate 12, which is provided on the rear side of the push plate 10, an electric push rod 13 is provided on the upper side of the side plate 12, and a fixing block 14 is provided on the shaft end of the electric push rod 13,

[0027] A circuit board limiting and fixing component is arranged on the upper side of the clamping plate 4, and the circuit board limiting and fixing component includes a groove 15, which is arranged on the upper side of the clamping plate 4, and a motor 16 is arranged on the front side of the clamping plate 4, and a threaded rod 17 is arranged at the axial end of the motor 16, and the threaded rod 17 is arranged in the groove 15, and a movable seat 18 is threadedly connected to the outer side of the threaded rod 17, and a support frame 19 is arranged on the upper side of the movable seat 18, and an electric push rod 20 is arranged on the upper side of the support frame 19, and a limiting strip 21 is arranged on the axial end of the electric push rod 20, and support seats 22 are arranged at the lower corners of the processing table 1, and a rubber plate is arranged on the lower side of the support seat 22.

[0028] According to the working principle of this embodiment, the circuit board is inserted between the two clamping plates 4, and the size of the circuit board itself is used to push the clamping plate 4, and the clamping plate 4 moves the pushing spring 7 on the guide rod 6 in the guide groove 5, and the rebound force of the spring 7 is used to perform the first clamping and limiting of the circuit board. At the same time, the circuit board pushes the push plate 10, and the push plate 10 moves the pushing spring 11 on the guide rod 29 in the guide groove 28. After moving to the specified position, the electric push rod 13 on the side plate 12 pushes the fixed block 14 to conflict with the upper side of the processing table 1, and the circuit board is limited for the second time. Then the motor 16 drives the threaded rod 17 to rotate, and the threaded rod 17 threadedly drives the moving seat 18 to move to the specified position, and the electric push rod 2 20 on the support frame 19 pushes the limiting strip 21 to conflict with the upper side of the processing table 1, thereby providing a flexible clamping function for the circuit board to be pressed and fixed. At the same time, it can be adaptively clamped and fixed according to the size of the circuit board itself, and the circuit board is fully limited to improve the processing stability.

[0029] It should be noted that the moving seat 18 is composed of a moving block and a guide sleeve, the limiting strip 21 is arranged in a U-shaped structure, and the end of the limiting strip 21 is inserted into the guide sleeve.

[0030] The lower sides of the fixing block 14 and the limiting strip 21 are both provided with anti-skid convex strips, and the anti-skid convex strips are used to increase the friction between them and the processing table 1.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A clamping and fixing device for a circuit board, comprising a processing table (1), a convex plate (2) is arranged on the front side of the processing table (1), and a controller (3) is arranged on the upper side of the convex plate (2), characterized in that: Two clamping plates (4) are arranged in parallel and symmetrically on the upper side of the processing table (1); an elastic guide component is arranged between the clamping plate (4) and the processing table (1); an elastic return component is arranged on one side of the clamping plate (4); a circuit board limiting and fixing component is arranged on the upper side of the clamping plate (4); the circuit board limiting and fixing component is used to limit and fix the circuit board and the clamping plate (4).

2. A circuit board pressing and fixing device according to claim 1, characterized in that: The elastic guide assembly comprises a guide groove (5), the guide groove (5) being arranged on the upper side of the processing table (1), a guide rod (6) being arranged in the guide groove (5), the clamping plate (4) being slidably sleeved on the outer side of the guide rod (6), a spring (7) being arranged on one side of the clamping plate (4), and the spring (7) being sleeved on the outer side of the guide rod (6).

3. A circuit board pressing and fixing device according to claim 1, characterized in that: The elastic return assembly comprises a second guide groove (8), wherein the second guide groove (8) is arranged on one side of the clamping plate (4), a second guide rod (9) is arranged in the second guide groove (8), a push plate (10) is sleeved on the outer side of the second guide rod (9), a second spring (11) is arranged on one side of the push plate (10), the second spring (11) is sleeved on the outer side of the second guide rod (9), a fixing member is arranged on one side of the push plate (10), and the fixing member is used to fix the position of the push plate (10).

4. A circuit board pressing and fixing device according to claim 3, characterized in that: The fixing member comprises a side plate (12), the side plate (12) is arranged on the rear side of the push plate (10), an electric push rod (13) is arranged on the upper side of the side plate (12), and a fixing block (14) is arranged at the shaft end of the electric push rod (13).

5. A circuit board pressing and fixing device according to claim 1, characterized in that: The circuit board limiting and fixing assembly comprises a groove (15), wherein the groove (15) is arranged on the upper side of the clamping plate (4), a motor (16) is arranged on the front side of the clamping plate (4), a threaded rod (17) is arranged at the axial end of the motor (16), the threaded rod (17) is arranged in the groove (15), the outer side of the threaded rod (17) is threadedly connected to a movable seat (18), a support frame (19) is arranged on the upper side of the movable seat (18), an electric push rod 2 (20) is arranged on the upper side of the support frame (19), and a limiting strip (21) is arranged at the axial end of the electric push rod 2 (20).

6. A circuit board pressing and fixing device according to claim 1, characterized in that: A support seat (22) is provided at the lower corner of the processing table (1), and a rubber plate is provided at the lower side of the support seat (22).

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