Surface treatment jig for printed circuit board

Abstract

The utility model discloses a surface treatment jig for a printed circuit board, which comprises a bottom plate, the top of the bottom plate is fixedly connected with four supporting columns, a top plate is fixedly connected among the tops of the four supporting columns, the top of the bottom plate is slidably connected with two L-shaped clamping plates, a clamping assembly is arranged in the bottom plate, and the clamping assembly is fixedly connected with the top of the bottom plate. The clamping assembly is used for driving the two L-shaped clamping plates to move, a U-shaped functional plate is arranged between the top plate and the bottom plate, a moving plate is slidably connected between the inner walls of the U-shaped functional plate, the bottom of the moving plate is fixedly connected with a soft brush, and a displacement assembly is arranged in the U-shaped functional plate and used for driving the soft brush to move. The flexible brush is driven by the displacement assembly to move on the surface of the printed circuit board, the surface of the printed circuit board is quickly cleaned by combining the cleaning fan, the method can effectively prevent dust remaining on the surface from affecting the subsequent treatment effect, and the use efficiency and effect of the surface treatment jig for the printed circuit board are further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit boards, in particular to a surface treatment tool for a printed circuit board. Background Art

[0002] Printed circuit board, also known as printed wiring board, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. Because it is made by electronic printing technology, it is called a printed circuit board. The surface of the printed circuit board needs to be processed during processing, so surface treatment fixtures are used.

[0003] The existing surface treatment jig for printed circuit boards is not convenient for cleaning the surface when treating the surface of the printed circuit board, which will affect the treatment effect of the printed circuit board. Therefore, we propose a surface treatment jig for printed circuit boards. Utility Model Content

[0004] The purpose of the utility model is to provide a surface treatment tool for a printed circuit board to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a surface treatment jig for a printed circuit board, comprising a base plate, four support columns are fixedly connected to the top of the base plate, a top plate is fixedly connected between the tops of the four support columns, two L-shaped clamping plates are slidably connected to the top of the base plate, a clamping assembly is arranged inside the base plate, the clamping assembly is used to drive the two L-shaped clamping plates to move, a U-shaped functional plate is arranged between the top plate and the base plate, a movable plate is slidably connected between the inner walls of the U-shaped functional plate, a soft brush is fixedly connected to the bottom of the movable plate, a displacement assembly is arranged inside the U-shaped functional plate, and the displacement assembly is used to drive the soft brush to move.

[0006] As a further preferred embodiment of the present technical solution, the displacement assembly includes a slide groove, which is opened inside the U-shaped functional plate, a reciprocating screw is rotatably connected between the inner walls of the slide groove, the outer side of the reciprocating screw is threadedly connected to a connecting block, and one side of the connecting block is fixedly connected to the movable plate.

[0007] As a further preferred embodiment of the present technical solution, the clamping assembly includes a clamping groove, which is opened at the top of the base plate, and a bidirectional screw rod is rotatably connected between the inner walls of the clamping groove, and the outer side of the bidirectional screw rod is threadedly connected to two moving blocks, and the top of the moving block is fixedly connected to the L-shaped clamping plate.

[0008] As a further preferred embodiment of the present technical solution, a power motor is fixedly mounted on one side of the U-shaped functional plate, and an output end of the power motor extends to the inside of the slide slot and is fixedly connected to the reciprocating screw rod.

[0009] As a further preferred embodiment of the present technical solution, a servo motor is fixedly mounted on one side of the base plate, and an output end of the servo motor extends to the inside of the clamping groove and is fixedly connected to the bidirectional lead screw.

[0010] As a further preferred embodiment of the present technical solution, an electric cylinder is fixedly installed on the top of the top plate, and a movable rod of the electric cylinder passes through the top plate and is fixedly connected to the U-shaped functional plate.

[0011] As a further preferred embodiment of the present technical solution, auxiliary grooves are provided on both sides of the inner wall of the U-shaped functional plate, auxiliary blocks are fixedly connected to both sides of the movable plate, and the outer sides of the auxiliary blocks are slidably connected to the inner walls of the auxiliary grooves.

[0012] As a further preferred embodiment of the present technical solution, a cleaning fan is fixedly installed on the top of the base plate.

[0013] The utility model provides a surface treatment jig for a printed circuit board, which has the following beneficial effects:

[0014] (1) The utility model uses a displacement component to drive a soft brush to move on the surface of a printed circuit board and combines it with a cleaning fan to quickly clean the surface of the printed circuit board. This method can effectively prevent dust remaining on the surface from affecting subsequent processing effects, and further improve the efficiency and effect of using the printed circuit board surface treatment fixture.

[0015] (2) The utility model fixes the printed circuit board by means of a clamping assembly, thereby improving the temperature resistance during surface cleaning and surface treatment of the printed circuit board, thereby facilitating the use efficiency of the surface treatment fixture for the printed circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of a half-section structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the U-shaped functional board structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the movable plate of the utility model;

[0020] In the figure: 1. bottom plate; 2. support column; 3. top plate; 4. electric cylinder; 5. U-shaped functional plate; 6. L-shaped clamping plate; 7. cleaning fan; 8. clamping groove; 9. bidirectional screw; 10. servo motor; 11. slide groove; 12. reciprocating screw; 13. power motor; 14. auxiliary groove; 15. moving plate; 16. connecting block; 17. auxiliary block; 18. soft brush; 19. moving block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] The utility model provides a technical solution: Figure 1-Figure 4 As shown, in this embodiment, a surface treatment fixture for a printed circuit board includes a bottom plate 1, four support columns 2 are fixedly connected to the top of the bottom plate 1, a top plate 3 is fixedly connected between the tops of the four support columns 2, two L-shaped clamping plates 6 are slidably connected to the top of the bottom plate 1, a clamping assembly is arranged inside the bottom plate 1, and the clamping assembly is used to drive the two L-shaped clamping plates 6 to move, a U-shaped functional plate 5 is arranged between the top plate 3 and the bottom plate 1, a moving plate 15 is slidably connected between the inner walls of the U-shaped functional plate 5, and the moving plate 15 A soft brush 18 is fixedly connected to the bottom, and a displacement component is arranged inside the U-shaped functional plate 5, which is used to drive the soft brush 18 to move. An electric cylinder 4 is fixedly installed on the top of the top plate 3, and the movable rod of the electric cylinder 4 passes through the top plate 3 and is fixedly connected to the U-shaped functional plate 5. Auxiliary grooves 14 are provided on both sides of the inner wall of the U-shaped functional plate 5, and auxiliary blocks 17 are fixedly connected on both sides of the movable plate 15. The outer side of the auxiliary block 17 is slidably connected to the inner wall of the auxiliary groove 14, and a cleaning fan 7 is fixedly installed on the top of the bottom plate 1.

[0023] When in use, first adjust the clamping assembly according to the specifications of the printed circuit board, move the two L-shaped clamping plates 6 to the corresponding positions, then place the printed circuit board between the two L-shaped clamping plates 6, and then clamp and fix the printed circuit board through the clamping assembly to prevent the printed circuit board from moving during cleaning and surface treatment. At the same time, use the electric cylinder 4 to push the U-shaped functional plate 5 to move between the top plate 3 and the bottom plate 1, so that the soft brush 18 under the moving plate 15 contacts the outside of the printed circuit board, and then use the displacement assembly to drive the soft brush 18 to move on the outside of the printed circuit board and cooperate with the cleaning fan 7 to clean the surface of the printed circuit board, thereby facilitating the rapid cleaning of the surface of the printed circuit board before processing the surface of the printed circuit board, thereby helping to improve the processing effect of the surface of the printed circuit board.

[0024] like Figure 1-Figure 4As shown, the displacement assembly includes a slide groove 11, which is opened inside the U-shaped functional plate 5, and a reciprocating screw 12 is rotatably connected between the inner walls of the slide groove 11. The outer side of the reciprocating screw 12 is threadedly connected to a connecting block 16, one side of the connecting block 16 is fixedly connected to the moving plate 15, and a power motor 13 is fixedly installed on one side of the U-shaped functional plate 5, and the output end of the power motor 13 extends to the inside of the slide groove 11 and is fixedly connected to the reciprocating screw 12.

[0025] The reciprocating screw rod 12 is driven by the power motor 13 to rotate between the inner walls of the slide slot 11, so that the movable plate 15 is driven by the connecting block 16 to move smoothly with the assistance of the auxiliary block 17, so that the surface of the printed circuit board can be quickly cleaned by the soft brush 18 driven by the movable plate 15.

[0026] like Figure 1-Figure 4 As shown, the clamping assembly includes a clamping groove 8, which is opened at the top of the base plate 1, and a bidirectional screw rod 9 is rotatably connected between the inner walls of the clamping groove 8. The outer side of the bidirectional screw rod 9 is threadedly connected to two moving blocks 19, and the top of the moving block 19 is fixedly connected to the L-shaped clamping plate 6. A servo motor 10 is fixedly installed on one side of the base plate 1, and the output end of the servo motor 10 extends to the interior of the clamping groove 8 and is fixedly connected to the bidirectional screw rod 9.

[0027] The bidirectional screw rod 9 is driven by the servo motor 10 to rotate between the inner walls of the clamping groove 8, thereby driving the L-shaped clamping plate 6 to move on the top of the base plate 1 through the two moving blocks 19, thereby facilitating the clamping and fixing of the printed circuit board through the L-shaped clamping plate 6, further improving the stability during the surface treatment operation.

[0028] The utility model provides a surface treatment jig for printed circuit boards, and the specific working principle is as follows: when in use, firstly, according to the specifications of the printed circuit board, the servo motor 10 is used to drive two L-shaped clamping plates 6 to move to corresponding positions, and then the printed circuit board is placed between the two L-shaped clamping plates 6, and the two L-shaped clamping plates 6 are used to clamp and fix the printed circuit board from both sides, and at the same time, the electric cylinder 4 is used to push the U-shaped functional plate 5 to move between the top plate 3 and the bottom plate 1, so that the soft brush 18 under the moving plate 15 contacts the outer side of the printed circuit board, and then the power motor 13 is used to drive the reciprocating screw rod 12 to rotate between the inner walls of the slide groove 11, so that the moving plate 15 is driven by the connecting block 16 to move smoothly under the auxiliary action of the auxiliary block 17, so that the soft brush 18 under the moving plate 15 cooperates with the cleaning fan 7 to complete the cleaning work on the surface of the printed circuit board.

[0029] 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 surface treatment jig for a printed circuit board, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to four support columns (2), the tops of the four support columns (2) are fixedly connected to a top plate (3), the top of the bottom plate (1) is slidably connected to two L-shaped clamping plates (6), a clamping assembly is provided inside the bottom plate (1), and the clamping assembly is used to drive the two L-shaped clamping plates (6) to move, a U-shaped functional plate (5) is provided between the top plate (3) and the bottom plate (1), a moving plate (15) is slidably connected between the inner walls of the U-shaped functional plate (5), a soft brush (18) is fixedly connected to the bottom of the moving plate (15), and a displacement assembly is provided inside the U-shaped functional plate (5), and the displacement assembly is used to drive the soft brush (18) to move.

2. A surface treatment jig for a printed circuit board according to claim 1, characterized in that: The displacement assembly comprises a slide groove (11), wherein the slide groove (11) is arranged inside the U-shaped functional plate (5), a reciprocating screw rod (12) is rotatably connected between the inner walls of the slide groove (11), a connecting block (16) is threadedly connected to the outer side of the reciprocating screw rod (12), and one side of the connecting block (16) is fixedly connected to the movable plate (15).

3. A surface treatment jig for a printed circuit board according to claim 1, characterized in that: The clamping assembly comprises a clamping groove (8), wherein the clamping groove (8) is provided at the top of the base plate (1), a bidirectional screw rod (9) is rotatably connected between the inner walls of the clamping groove (8), the outer side of the bidirectional screw rod (9) is threadedly connected to two moving blocks (19), and the top of the moving block (19) is fixedly connected to the L-shaped clamping plate (6).

4. A surface treatment jig for a printed circuit board according to claim 2, characterized in that: A power motor (13) is fixedly mounted on one side of the U-shaped functional plate (5); an output end of the power motor (13) extends into the interior of the slide groove (11) and is fixedly connected to the reciprocating screw rod (12).

5. A surface treatment jig for a printed circuit board according to claim 3, characterized in that: A servo motor (10) is fixedly mounted on one side of the base plate (1), and an output end of the servo motor (10) extends into the interior of the clamping groove (8) and is fixedly connected to a bidirectional screw rod (9).

6. A surface treatment jig for a printed circuit board according to claim 1, characterized in that: An electric cylinder (4) is fixedly mounted on the top of the top plate (3); a movable rod of the electric cylinder (4) passes through the top plate (3) and is fixedly connected to the U-shaped functional plate (5).

7. A surface treatment jig for a printed circuit board according to claim 1, characterized in that: Auxiliary grooves (14) are provided on both sides of the inner wall of the U-shaped functional plate (5), and auxiliary blocks (17) are fixedly connected to both sides of the movable plate (15), and the outer sides of the auxiliary blocks (17) are slidably connected to the inner walls of the auxiliary grooves (14).

8. The surface treatment tool for a printed circuit board according to claim 1, characterized in that: A cleaning fan (7) is fixedly mounted on the top of the base plate (1).

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