Laser drilling device for PCB (Printed Circuit Board) steel mesh

Abstract

The utility model relates to the technical field of punching devices, in particular to a PCB steel mesh laser punching device which comprises a collecting box, a mesh plate is arranged in a frame body, positioning blocks clamped with positioning grooves are fixedly installed on the front surface and the rear surface of the mesh plate, and fixing blocks are symmetrically and fixedly installed on the upper surface of the frame body. A tension spring is fixedly installed on one side of each fixing block, one end of each tension spring is fixedly connected with a limiting block penetrating through the corresponding fixing block, and the bottom of each limiting block makes contact with the corresponding positioning block. According to the PCB steel mesh laser drilling device, the mesh plate and the frame body are connected in a clamped mode through the positioning blocks and the positioning grooves, the limiting blocks are pulled, the tension springs are stretched, one ends of the limiting blocks are separated from the position of the positioning blocks, and therefore the mesh plate is convenient to disassemble, and the problem that when a PCB steel mesh is machined through a PCB steel mesh laser drilling device in the prior art, the PCB steel mesh is usually placed on the mesh plate, and machining is not convenient is solved. However, the technical problems that the screen plate is relatively fixedly mounted, so that the screen plate is difficult to disassemble and inconvenient to clean, and the leakage of chippings is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of punching devices, in particular to a PCB steel mesh laser punching device. Background Art

[0002] A PCB stencil, also known as a printed circuit board (PCB) stencil, is an essential tool for ensuring circuit board quality and plays a key role in PCB manufacturing. It consists of a layer of metal mesh fixed to the surface of the printed circuit board (PCB). It controls the placement of solder paste and solder, ensuring circuit accuracy and soldering quality. The PCB stencil's functions primarily in two areas: circuit control and soldering control. For circuit control, the shape and size of the PCB stencil match the circuits on the board, controlling the width, spacing, and shape of the circuits, ensuring circuit accuracy and stability. For soldering control, the holes in the PCB stencil control the placement and shape of the solder paste and solder, preventing short circuits and poor soldering.

[0003] The inventors of this application have found the following problems in practical use:

[0004] Laser drilling is commonly used to drill holes in PCB stencils. However, existing PCB stencil laser drilling devices typically place the stencil on a fixed plate during processing. This makes the plate difficult to remove, resulting in inconvenient cleaning and hindering the removal of debris. Therefore, a PCB stencil laser drilling device is needed to address these technical issues. Utility Model Content

[0005] The technical problem to be solved by the present invention is that the PCB steel mesh laser drilling device in the prior art is usually placed on a mesh plate when processing the PCB steel mesh, but the mesh plate is installed relatively fixedly, which makes it difficult to disassemble, causing inconvenience in cleaning and affecting the leakage of debris. In response to the above-mentioned defects of the prior art, a PCB steel mesh laser drilling device is provided, including a collection box, a mesh plate is provided inside the frame, and positioning blocks that engage with the positioning grooves are fixedly installed on the front and rear surfaces of the mesh plate, and fixed blocks are symmetrically fixedly installed on the upper surface of the frame, and a tension spring is fixedly installed on one side of each fixing block, and one end of the tension spring is fixedly connected to a limit block that passes through the fixed block, and the bottom of the limit block is in contact with the positioning block. The stencil plate in the utility model is connected to the frame by a positioning block and a positioning groove. By pulling the limit block, the tension spring is stretched, so that one end of the limit block is released from the restriction on the position of the positioning block, thereby facilitating the removal of the stencil plate. This solves the technical problem in the prior art that the PCB steel mesh laser punching device is usually placed on the stencil plate when processing the PCB steel mesh, but the stencil plate is relatively fixed, making it difficult to disassemble, causing inconvenience in cleaning, and affecting the leakage of debris.

[0006] To achieve the above-mentioned purpose, the technical solution of the present invention is: a PCB steel mesh laser punching device, comprising a collection box, a main box is fixedly installed on the rear surface of the collection box, and a frame is fixedly installed on the top of the collection box, the upper surface of the frame is symmetrically provided with positioning grooves, and a mesh plate is provided inside the frame, the front and rear surfaces of the mesh plate are fixedly installed with positioning blocks engaged with the positioning grooves, the upper surface of the frame is symmetrically fixed with fixed blocks, each of the fixed blocks is fixedly installed with a tension spring on one side, one end of the tension spring is fixedly connected to a limit block passing through the fixed block, and the bottom of the limit block is in contact with the positioning block.

[0007] It is further configured that a second electric telescopic rod is fixedly installed inside the main box, the output end of the second electric telescopic rod is fixedly connected to the outer frame plate, a first electric telescopic rod is fixedly installed on one side of the outer frame plate, and the output end of the first electric telescopic rod passes through the outer frame plate and is fixedly connected to a cross arm.

[0008] It is further provided that a first electric telescopic rod is fixedly mounted on the rear surface of the inner cavity of the cross arm, and an output end of the first electric telescopic rod is fixedly connected to a laser head.

[0009] It is further provided that the positioning block and the limiting block are both L-shaped structures, and the fixing block is U-shaped structure.

[0010] It is further provided that a controller is fixedly mounted on one side of the main box, and universal wheels are symmetrically fixedly mounted on the bottoms of the main box and the collection box.

[0011] It is further provided that a receiving groove is provided on the front surface of the collection box, a mounting groove is provided on the inner side of the receiving groove, and a push handle is rotatably connected to the inner side of the mounting groove.

[0012] It is further provided that a gear is sleeved on the outer side of the push handle, a butterfly bolt is threaded on the inner side of the mounting slot, the upper end of the butterfly bolt is rotatably connected to a clamping block slidably connected to the mounting slot, and the clamping block is engaged with the gear.

[0013] Compared with related technologies, the PCB steel mesh laser drilling device provided by the present invention has the following beneficial effects:

[0014] The utility model provides a PCB steel mesh laser drilling device, in which a positioning block and a positioning groove are used to clamp the mesh plate and the frame. By pulling the limit block, the tension spring is stretched, so that one end of the limit block is separated from the restriction on the position of the positioning block, thereby facilitating the removal of the mesh plate. The utility model solves the technical problem in the prior art that the PCB steel mesh laser drilling device is usually placed on the mesh plate when processing the PCB steel mesh, but the mesh plate is relatively fixedly installed, resulting in difficulty in removal, inconvenience in cleaning, and affecting the leakage of debris.

[0015] The utility model provides a PCB steel mesh laser punching device, which is provided with a push handle for facilitating the movement of the push device, and a gear is installed on the outside of the push handle. By rotating the butterfly bolt, the clamping block rotatably connected to the push handle is disengaged from the tooth gap of the gear, so that the push handle can be conveniently rotated downward to the inside of the accommodating groove, thereby achieving the storage effect, reducing the occupied space, and facilitating storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic structural diagram of a preferred embodiment of a PCB steel mesh laser drilling device provided by the present invention;

[0017] Figure 2 This is a partial enlarged view of part A of the present utility model;

[0018] Figure 3 This is a schematic diagram of the three-dimensional structure of the screen plate and frame of the utility model;

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

[0020] Figure 5 This is a left-side structural schematic diagram of the connection between the laser head and the cross arm of the utility model.

[0021] Numbers in the figure: 1. Controller; 2. Main box; 3. Receiving slot; 4. Outer frame plate; 5. First electric telescopic rod; 6. Second electric telescopic rod; 7. Cross arm; 8. Laser head; 9. Screen; 10. Frame; 11. Push handle; 12. Collection box; 13. Universal wheel; 14. Positioning block; 15. Fixing block; 16. Limiting block; 17. Tension spring; 18. Positioning slot; 19. Mounting slot; 20. Gear; 21. Block; 22. Butterfly bolt; 23. Third electric telescopic rod. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the accompanying drawings, in which typical embodiments of the present invention are shown.

[0023] Example 1:

[0024] like Figure 1-5As shown, a PCB steel mesh laser punching device of the present invention includes a collecting box 12, a main box 2 is fixedly installed on the rear surface of the collecting box 12, and a frame 10 is fixedly installed on the top of the collecting box 12, and positioning grooves 18 are symmetrically opened on the upper surface of the frame 10, and a mesh plate 9 is arranged inside the frame 10, and positioning blocks 14 engaged with the positioning grooves 18 are fixedly installed on the front and rear surfaces of the mesh plate 9, and fixed blocks 15 are symmetrically fixedly installed on the upper surface of the frame 10, and a tension spring 17 is fixedly installed on one side of each fixing block 15, and one end of the tension spring 17 is fixedly connected to a limit block 16 that passes through the fixed block 15, and the bottom of the limit block 16 is in contact with the positioning block 14.

[0025] like Figure 1 and Figure 5 As shown, a second electric telescopic rod 6 is fixedly installed inside the main box 2, and the output end of the second electric telescopic rod 6 is fixedly connected to the outer frame plate 4. A first electric telescopic rod 5 is fixedly installed on one side of the outer frame plate 4. The output end of the first electric telescopic rod 5 passes through the outer frame plate 4 and is fixedly connected to a cross arm 7. The first electric telescopic rod 5 is fixedly installed on the rear surface of the inner cavity of the cross arm 7. The output end of the first electric telescopic rod 5 is fixedly connected to a laser head 8 to control the movement of the laser head 8 in the horizontal direction.

[0026] like Figure 3 As shown, the positioning block 14 and the limiting block 16 are both L-shaped structures, and the fixing block 15 is U-shaped structure.

[0027] During implementation, the mesh plate 9 and the frame 10 are connected by a positioning block 14 and a positioning groove 18. By pulling the limit block 16, the tension spring 17 is stretched, so that one end of the limit block 16 is separated from the restriction on the position of the positioning block 14, thereby facilitating the removal of the mesh plate 9. This solves the technical problem that the PCB steel mesh laser punching device in the prior art is usually placed on the mesh plate 9 when processing the PCB steel mesh, but the mesh plate 9 is installed relatively fixedly, which makes it difficult to disassemble, causing inconvenience in cleaning and affecting the leakage of debris.

[0028] Example 2:

[0029] like Figure 1-5 As shown, on the basis of embodiment 1, the utility model provides a technical solution: a controller 1 is fixedly installed on one side of the main box 2, and universal wheels 13 are symmetrically fixedly installed on the bottom of the main box 2 and the collecting box 12, a receiving groove 3 is provided on the front surface of the collecting box 12, a mounting groove 19 is provided on the inner side of the receiving groove 3, a push handle 11 is rotatably connected to the inner side of the mounting groove 19, a gear 20 is sleeved on the outer side of the push handle 11, a butterfly bolt 22 is screwed on the inner side of the mounting groove 19, and the upper end of the butterfly bolt 22 is rotatably connected to a clamping block 21 slidably connected to the mounting groove 19, and the clamping block 21 is engaged with the gear 20.

[0030] During implementation, a push handle 11 is provided to facilitate the movement of the pushing device, and a gear 20 is installed on the outside of the push handle 11. By rotating the butterfly bolt 22, the block 21 rotatably connected to it is disengaged from the tooth gap of the gear 20, thereby facilitating the push handle 11 to be turned downward to the inside of the accommodating groove 3, achieving the storage effect, reducing the occupied space, and facilitating storage.

[0031] When using this technical solution, first place the PCB steel plate to be processed on the upper surface of the mesh plate 9, then program the controller 1 so that the laser head 8 moves under the action of the first electric telescopic rod 5, the second electric telescopic rod 6 and the third electric telescopic rod 23, so that the laser head 8 performs a punching operation on the above-mentioned steel plate, and the generated debris will pass through the mesh of the mesh plate 9 and fall into the interior of the collection box 12. When it is necessary to remove the mesh plate 9, first pull the limit block 16 to stretch the tension spring 17 so that one end of the limit block 16 is disengaged from the restriction on the position of the positioning block 14, and then remove the mesh plate 9 from the interior of the frame 10, so that the positioning block 14 connected to the mesh plate 9 is disengaged from the interior of the positioning groove 18. When it is necessary to retract the push handle 11, first turn the butterfly bolt 22 to disengage the clamping block 21 rotatably connected to it from the tooth gap of the gear 20, and then turn the push handle 11 downward to the interior of the accommodating slot 3.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PCB steel mesh laser drilling device, comprising a collection box (12), characterized in that: The main box (2) is fixedly installed on the rear surface of the collection box (12), and the frame (10) is fixedly installed on the top of the collection box (12). The upper surface of the frame (10) is symmetrically provided with positioning grooves (18), and a mesh plate (9) is provided inside the frame (10). The front and rear surfaces of the mesh plate (9) are fixedly installed with positioning blocks (14) engaged with the positioning grooves (18). The upper surface of the frame (10) is symmetrically fixed with fixed blocks (15), and a tension spring (17) is fixedly installed on one side of each of the fixed blocks (15). One end of the tension spring (17) is fixedly connected to a limit block (16) that passes through the fixed block (15), and the bottom of the limit block (16) is in contact with the positioning block (14).

2. A PCB steel mesh laser drilling device according to claim 1, characterized in that: A second electric telescopic rod (6) is fixedly installed inside the main box (2); an output end of the second electric telescopic rod (6) is fixedly connected to an outer frame plate (4); a first electric telescopic rod (5) is fixedly installed on one side of the outer frame plate (4); and an output end of the first electric telescopic rod (5) passes through the outer frame plate (4) and is fixedly connected to a cross arm (7).

3. A PCB steel mesh laser drilling device according to claim 2, characterized in that: A first electric telescopic rod (5) is fixedly mounted on the rear surface of the inner cavity of the cross arm (7), and a laser head (8) is fixedly connected to the output end of the first electric telescopic rod (5).

4. The PCB steel mesh laser drilling device according to claim 1, characterized in that: The positioning block (14) and the limiting block (16) are both L-shaped structures, and the fixing block (15) is U-shaped structure.

5. The PCB steel mesh laser drilling device according to claim 1, characterized in that: A controller (1) is fixedly mounted on one side of the main box (2), and universal wheels (13) are symmetrically fixedly mounted on the bottoms of the main box (2) and the collection box (12).

6. The PCB steel mesh laser drilling device according to claim 1, characterized in that: The front surface of the collection box (12) is provided with a receiving groove (3), the inner side of the receiving groove (3) is provided with a mounting groove (19), and the inner side of the mounting groove (19) is rotatably connected with a push handle (11).

7. The PCB steel mesh laser drilling device according to claim 6, characterized in that: The outer side of the push handle (11) is sleeved with a gear (20), the inner side of the installation groove (19) is threaded with a butterfly bolt (22), the upper end of the butterfly bolt (22) is rotatably connected to a clamping block (21) that is slidably connected to the installation groove (19), and the clamping block (21) is engaged with the gear (20).

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