Punching processing fixing device of PCB (Printed Circuit Board)

Abstract

The utility model relates to the technical field of PCB circuit board production, and discloses a punching processing fixing device of a PCB circuit board, which comprises a protection box, the left side and the right side of the bottom of the protection box are provided with second sliding grooves, the inner walls of the second sliding grooves are connected with second sliding blocks in a sliding manner, the left side and the right side of the middle end of the protection box are provided with first sliding grooves, and the first sliding blocks are connected with the first sliding grooves in a sliding manner. First sliding blocks are slidably connected to the inner walls of the first sliding grooves, a placing plate is fixedly connected between the first sliding blocks, a box body is fixedly connected between the second sliding blocks, and sliding rods are fixedly connected to the inner walls of the front end and the rear end of the box body. According to the utility model, through the air cylinder and the transverse plate, the transverse plate and the fixed disc clamp a die, through the spring and the telescopic rod, a special-shaped object is clamped, through the dampers on the left side and the right side of the bearing box, buffering is carried out, and through the movement of the fixed block and the inclined rod towards the middle, the sliding block extrudes the reset spring, and the die and the PCB are protected; and the PCB is taken out through the second sliding groove and the second sliding block, so that the production efficiency is improved.

Description

Technical Field

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

[0002] PCB circuit boards are mainly composed of pads, vias, mounting holes, wires, components, connectors, fillings, electrical boundaries, etc. During the processing of circuit boards, due to the accuracy of processing, the circuit boards need to be fixed to prevent the movement of the circuit boards and cause processing failures. Traditional circuit board fixing devices are inconvenient to carry and are not flexible enough when used. They cannot move and rotate the circuit boards freely while fixing them.

[0003] After searching, the existing Chinese patent announcement number is: CN212138020U, which provides a fixing device for PCB electronic circuit board processing. The patented fixing device adopts a combination of a spring seat and a fixing column to more firmly fix the PCB electronic circuit board. The spring seat has a buffering effect and can better protect the PCB electronic circuit board from damage. The moving box adopts a combination of a slider and a slide groove to easily adjust the height of the replaceable spring clip, which can be suitable for PCB electronic circuit boards of different thicknesses.

[0004] Although the above patent can be used for PCB electronic circuit boards of different thicknesses, the above-mentioned PCB electronic circuit board processing fixing device still has the following problems: when the punching and cutting processing fixing device of the PCB circuit board is in use, the existing punching and cutting processing fixing device of the PCB circuit board is not convenient for fixing the circuit board, and when the punching and cutting processing fixing device of the PCB circuit board is in use, the existing punching and cutting processing fixing device of the PCB circuit board is not convenient for adjusting according to the width of the circuit board.

[0005] In view of the above problems, a punching and fixing device for a PCB circuit board is proposed. Utility Model Content

[0006] The utility model aims to provide a punching and fixing device for a PCB circuit board, which solves the problem that the existing punching and fixing device for a PCB circuit board in the background technology is not convenient to adjust according to the width of the circuit board.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a punching processing fixing device for a PCB circuit board comprises a protection box, wherein the bottom of the protection box is provided with a second slide groove on the left and right sides, the inner wall of the second slide groove is slidably connected with a second sliding block, the middle end of the protection box is provided with a first slide groove on the left and right sides, the inner wall of the first slide groove is slidably connected with the first sliding block, a placing plate is fixedly connected between the first sliding blocks, and a box body is fixedly connected between the second sliding blocks, and the inner walls of the front and rear ends of the box body are fixedly connected with sliding rods, the top of the left and right sides of the sliding rod are fixedly connected with a damper, the top of the damper is fixedly connected with a carrying box, the bottom of the carrying box is fixedly connected with a fixing block, the bottom of the fixing block is rotatably connected with an inclined rod, and the bottom of the inclined rod is rotatably connected with a sliding block, the middle end of the sliding rod is sleeved with a reset spring, and the reset spring is fixedly connected to the opposite side of the sliding block, the front end of the placing plate is fixedly connected with a protection door, and the top rear end of the placing plate is provided with a clamping assembly.

[0008] By adopting the above technical solution, the box body is taken out as a whole through the second sliding groove and the second sliding block, and the PCB line board inside the box body is taken out. The PCB line board is protected by the dampers on the left and right sides of the bottom of the carrying box, and the sliding block is limited by the limit blocks on the left and right sides to limit the sliding block to prevent it from sliding out of the specified range.

[0009] As a further description of the above technical solution: the clamping assembly includes an arch frame, which is fixedly connected to the rear end of the top of the placement plate, and the inner walls on both sides of the rear end of the protection box are fixedly connected with electric push rods, and the electric push rods are fixedly connected to the arch frame, the front end of the arch frame is fixedly connected to a connecting plate, the right side of the connecting plate is fixedly connected to a motor, the output end of the motor is fixedly connected to a driving gear, and the inner wall of the front end of the arch frame is rotatably connected to a bidirectional threaded rod.

[0010] By adopting the above technical solution, the electric push rod pushes the arch frame to move the front end, so that the first slider slides on the inner wall of the first slide groove, and the placement plate is pushed forward and fixed to the protective door through the placement plate.

[0011] As a further description of the above technical solution: a tension spring is fixedly connected to the rear end of the first sliding block, and the tension spring is fixedly connected to the protection box.

[0012] By adopting the above technical solution, the electric push rod is prevented from pushing the placement plate out of the range by the tension spring, and the first sliding block is pulled by the tension spring.

[0013] As a further description of the above technical solution: the outer ring at the middle end of the bidirectional threaded rod is fixedly connected with a driven gear, and the driven gear is meshingly connected with the driving gear.

[0014] By adopting the above technical solution, the driven gear is driven to rotate by the rotation of the driving gear.

[0015] As a further description of the above technical solution: the outer rings on the left and right sides of the bidirectional threaded rod are both threadedly connected with nut pairs, and the front end of the nut pairs is fixedly connected with a moving plate.

[0016] By adopting the above technical solution, the bidirectional threaded rod is rotated so that the nut pairs on both sides are moved to the left and right sides, and the driven gears and the nut pairs on both sides are limited.

[0017] As a further description of the above technical solution: the bottom of one opposite side of the movable plate is fixedly connected with a fixed disk, and the top of one opposite side of the movable plate is fixedly connected with a fixed plate.

[0018] By adopting the above technical solution, the mold and the PCB line board are clamped and processed by the fixed plate and the object at the upper end.

[0019] As a further description of the above technical solution: a cylinder is fixedly connected to the bottom of the fixed plate, and a transverse plate is fixedly connected to the bottom of the cylinder.

[0020] By adopting the above technical solution, the horizontal plate is pushed downward by the cylinder, and the object is clamped by the fixed plate at the bottom.

[0021] As a further description of the above technical solution: a spring is fixedly connected to an inner wall of a side opposite to the fixed plate, and the other end of the spring is fixedly connected to a telescopic rod.

[0022] By adopting the above technical solution, molds and PCB boards of different shapes are clamped by springs and telescopic rods.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a PCB circuit board punching processing fixing device. First, through the motor, driving gear, driven gear, bidirectional threaded rod, nut pair, movable plate, cylinder and cross plate, the cross plate and the fixed plate clamp the mold, and the spring and telescopic rod clamp the special-shaped objects, so as to achieve the purpose of facilitating adjustment according to the width of the circuit board. It can be adjusted according to different needs and has strong practicality.

[0025] 2. The utility model provides a PCB circuit board punching processing fixing device, which is buffered by the dampers on the left and right sides of the carrier box, so that the fixed block is squeezed downward, the inclined rod is rotated toward the middle, and the sliding block squeezes the reset spring, thereby protecting the mold and the PCB line board. The mold and the processed PCB line board are taken out through the second slide groove and the second slide block, thereby improving the production efficiency and the quality of the PCB line board. 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 schematic diagram of the cross-sectional structure of the protection box of the utility model;

[0028] Figure 3 It is a structural schematic diagram of the spring of the utility model;

[0029] Figure 4 It is a structural schematic diagram of the carrying box of the utility model.

[0030] In the figure: 1. protection box; 2. protection door; 3. first slide slot; 4. second slide slot; 5. second slider; 6. first slider; 7. electric push rod; 8. arch frame; 9. tension spring; 10. two-way threaded rod; 11. connecting plate; 12. motor; 13. driving gear; 14. driven gear; 15. nut pair; 16. moving plate; 17. fixed plate; 18. cylinder; 19. cross plate; 20. fixed plate; 21. spring; 22. telescopic rod; 23. box body; 24. slide rod; 25. damper; 26. carrying box; 27. fixed block; 28. inclined rod; 29. ​​sliding block; 30. reset spring; 31. placement plate. DETAILED DESCRIPTION

[0031] The following will refer to the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0033] Reference Figure 1 The utility model is a punching and fixing device for a PCB circuit board, comprising a protection box 1, a second slide groove 4 is opened on both sides of the bottom of the protection box 1, a second slide block 5 is slidably connected to the inner wall of the second slide groove 4, a first slide groove 3 is opened on both sides of the middle end of the protection box 1, and a first slide block 6 is slidably connected to the inner wall of the first slide groove 3.

[0034] Reference Figure 2 and Figure 4A placement plate 31 is fixedly connected between the first sliders 6, and a slot is provided inside the placement plate 31 so that the mold and the PCB line board can fall to the bottom. A box body 23 is fixedly connected between the second sliders 5. The inner walls of the front and rear ends of the box body 23 are fixedly connected with slide bars 24. The tops of the left and right sides of the slide bars 24 are fixedly connected with dampers 25. The tops of the dampers 25 are fixedly connected with a carrying box 26. The bottoms of the carrying boxes 26 are fixedly connected with fixed blocks 27. The bottoms of the fixed blocks 27 are rotatably connected with an inclined rod 28. The bottoms of the inclined rods 28 are rotatably connected with a sliding block 29. A reset spring 30 is sleeved on the middle end of the sliding rod 24, and the reset spring 30 and the sliding block 29 is fixedly connected to one side relative to the other side. When the mold falls, it is buffered by the dampers 25 on the left and right sides of the carrying box 26. The carrying box 26 is squeezed downward, so that the fixed block 27 is squeezed downward, and the inclined rod 28 is rotated toward the middle, driving the sliding block 29 at the bottom to move, so that the sliding block 29 squeezes the reset spring 30 for buffering, thereby protecting the mold and the PCB line board. When the protective door 2 is opened, the mold and the processed PCB line board are taken out through the second slide groove 4 and the second slider 5. The front end of the placement plate 31 is fixedly connected with the protective door 2, and the interior can be observed through the protective door 2 and the transparent glass.

[0035] Reference Figure 2 and Figure 3A clamping assembly is provided at the rear end of the top of the placement plate 31, and the clamping assembly includes an arch frame 8, which is fixedly connected to the rear end of the top of the placement plate 31. The inner walls on both sides of the rear end of the protection box 1 are fixedly connected with electric push rods 7, and the electric push rods 7 are fixedly connected to the arch frame 8. The front end of the arch frame 8 is fixedly connected with a connecting plate 11, and the right side of the connecting plate 11 is fixedly connected with a motor 12. The output end of the motor 12 is fixedly connected with a driving gear 13. The inner wall of the front end of the arch frame 8 is rotatably connected with a bidirectional threaded rod 10, and the rear end of the first slider 6 is fixedly connected with a tension spring 9, and the tension spring 9 is fixedly connected to the protection box 1. The outer ring of the middle end of the bidirectional threaded rod 10 is fixedly connected with a driven gear 14, and the driven gear 14 is meshed with the driving gear 13. The outer rings on both sides of the bidirectional threaded rod 10 are threadedly connected with nut pairs 15, and a limit rod is provided between the two nut pairs 15 to limit and guide the nut pairs 15. The front end of the nut pair 15 is fixedly connected with a moving plate 16, and the bottom of the moving plate 16 is opposite to one side. The top of the movable plate 16 is fixedly connected with a fixed plate 20, and the top of the opposite side of the movable plate 16 is fixedly connected with a fixed plate 17. The bottom of the fixed plate 17 is fixedly connected with a cylinder 18, and the bottom of the cylinder 18 is fixedly connected with a cross plate 19. The inner wall of the cross plate 19 and the fixed plate 20 is fixedly connected with a spring 21, and the other end of the spring 21 is fixedly connected with a telescopic rod 22. The driving gear 13 is driven by the motor 12 to rotate, and the driving gear 13 is meshed with the driven gear 14, so that the driven gear 14 is rotated, and the two-way threaded rod 10 is driven to rotate by the rotation of the driven gear 14, so that the nut pair 15 on the left and right sides of the two-way threaded rod 10 is moved, so that the movable plates 16 on both sides are close to each other, and the cross plate 19 is pushed downward by the cylinder 18, so that the cross plate 19 and the fixed plate 20 clamp the mold, and the special-shaped objects are clamped by the spring 21 and the telescopic rod 22. The size of the PCB board should be the same as the size of the mold, and the clamping mold is to clamp the PCB board.

[0036] Working principle: The arch frame 8 is pushed forward by the electric push rod 7, and the first slider 6 is pulled by the tension spring 9, so that the first slider 6 slides on the inner wall of the first slide groove 3, and the placement plate 31 and the arch frame 8 are pushed, and the mold and the PCB line board are placed between the arch frames 8, and the driving gear 13 is driven by the motor 12 to rotate, and the driving gear 13 is meshed with the driven gear 14, so that the driven gear 14 rotates, and the rotation of the driven gear 14 drives the bidirectional threaded rod 10 to rotate, so that the nut pairs 15 on the left and right sides of the bidirectional threaded rod 10 move, so that the moving plates 16 on both sides are close to each other, and the horizontal plate 19 is pushed downward by the cylinder 18, so that the horizontal plate 19 and the fixed plate 20 The mold is clamped, and the special-shaped object is clamped by the spring 21 and the telescopic rod 22. The electric push rod 7 moves backward and is processed through the PCB line board. After the processing, the mold and the PCB line board are loosened, so that the object falls downward and is buffered by the dampers 25 on the left and right sides of the carrier box 26. The carrier box 26 is squeezed downward, so that the fixed block 27 is squeezed downward, and the inclined rod 28 is rotated toward the middle, driving the sliding block 29 at the bottom to move, so that the sliding block 29 squeezes the reset spring 30 for buffering, and the mold and the PCB line board are protected. When the protection door 2 is opened, the mold and the processed PCB line board are taken out through the second slide groove 4 and the second slide block 5, thereby improving production efficiency.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A punching and fixing device for a PCB circuit board, comprising a protection box (1), characterized in that: The bottom of the protection box (1) is provided with a second slide groove (4) on both sides, the inner wall of the second slide groove (4) is slidably connected with a second slider (5), the middle of the protection box (1) is provided with a first slide groove (3) on both sides, the inner wall of the first slide groove (3) is slidably connected with a first slider (6), a placement plate (31) is fixedly connected between the first sliders (6), a box body (23) is fixedly connected between the second sliders (5), the inner walls of the front and rear ends of the box body (23) are fixedly connected with slide bars (24), and the tops of the left and right sides of the slide bars (24) are fixedly connected with A damper (25), wherein the top of the damper (25) is fixedly connected to a carrying box (26), the bottom of the carrying box (26) is fixedly connected to a fixing block (27), the bottom of the fixing block (27) is rotatably connected to an inclined rod (28), the bottom of the inclined rod (28) is rotatably connected to a sliding block (29), the middle end of the sliding rod (24) is sleeved with a return spring (30), and the return spring (30) is fixedly connected to the opposite side of the sliding block (29), the front end of the placement plate (31) is fixedly connected to a protective door (2), and the top rear end of the placement plate (31) is provided with a clamping assembly.

2. The punching and fixing device for a PCB circuit board according to claim 1, characterized in that: The clamping assembly comprises an arch frame (8), the arch frame (8) is fixedly connected to the rear end of the top of the placement plate (31), the inner walls on both sides of the rear end of the protection box (1) are fixedly connected with electric push rods (7), and the electric push rods (7) are fixedly connected to the arch frame (8), the front end of the arch frame (8) is fixedly connected with a connecting plate (11), the right side of the connecting plate (11) is fixedly connected with a motor (12), the output end of the motor (12) is fixedly connected with a driving gear (13), and the inner wall of the front end of the arch frame (8) is rotatably connected with a bidirectional threaded rod (10).

3. The punching and fixing device for a PCB circuit board according to claim 1, characterized in that: A tension spring (9) is fixedly connected to the rear end of the first sliding block (6), and the tension spring (9) is fixedly connected to the protection box (1).

4. The punching and fixing device for a PCB circuit board according to claim 2, characterized in that: The outer ring at the middle end of the bidirectional threaded rod (10) is fixedly connected with a driven gear (14), and the driven gear (14) is meshingly connected with the driving gear (13).

5. The punching and fixing device for a PCB circuit board according to claim 2, characterized in that: The left and right outer rings of the bidirectional threaded rod (10) are both threadedly connected with nut pairs (15), and the front end of the nut pair (15) is fixedly connected with a moving plate (16).

6. The punching and fixing device for a PCB circuit board according to claim 5, characterized in that: The bottom of one opposite side of the movable plate (16) is fixedly connected to a fixed disk (20), and the top of one opposite side of the movable plate (16) is fixedly connected to a fixed plate (17).

7. The punching and fixing device for a PCB circuit board according to claim 6, characterized in that: The bottom of the fixed plate (17) is fixedly connected to a cylinder (18), and the bottom of the cylinder (18) is fixedly connected to a transverse plate (19).

8. The punching and fixing device for a PCB circuit board according to claim 7, characterized in that: A spring (21) is fixedly connected to an inner wall of a side of the transverse plate (19) opposite to the fixed disk (20), and a telescopic rod (22) is fixedly connected to the other end of the spring (21).

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