A PCB cutting device

Abstract

The utility model discloses a cutting device for PCB boards, relates to the technical field of PCB board production, and solves the problems that the existing cutting device can only cut PCB boards into specific sizes but cannot cut PCB boards of different sizes, resulting in high limitations in use; and the PCB boards have poor placement stability on an operating table, lack of positioning, and are easily displaced during cutting, thus affecting the cutting accuracy. The utility model comprises a working plate, a base arranged on one side of the working plate, and a cutter rotatably arranged on the side of the base; and further comprises: an adjusting seat slidably arranged on the working plate, a ball screw rotatably arranged in a port of the adjusting seat, and a sliding block sleeved on the ball screw; and a cutting seat arranged on the side of the adjusting seat. The utility model can realize the positioning and fixing of a pressure plate and a PCB board to be cut, effectively avoiding displacement of a plate clamping mold during cutting, and can accurately adjust the translation distance of the cutting seat, thereby accurately adjusting the cutting position of the PCB board and improving the cutting accuracy.

Description

Technical Field

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

[0002] PCB board is an important electronic component. It is the support body of electronic components and the carrier for the electrical connection of electronic components.

[0003] At present, in the production of PCB boards, it is usually necessary to cut PCB boards into small boards for use. However, it is found in the use of the existing cutting device that PCB boards can only be cut into PCB boards of a specific size, resulting in the inability to cut PCB boards of different sizes / widths, and its use is highly limited; and the placement stability of the PCB board on the operating table is poor, lacks positioning, and is easily displaced during cutting, affecting the cutting accuracy.

[0004] Therefore, based on the above problems, we designed a cutting device for PCB boards. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a PCB cutting device, which solves the technical problems that the existing cutting device can only cut PCB boards of a specific size, but cannot cut PCB boards of different sizes / widths, resulting in high limitations in use; and the PCB board has poor placement stability on the operating table, lacks positioning, and is easily displaced during cutting, affecting the cutting accuracy.

[0006] To achieve the above-mentioned purpose, according to an embodiment of the first aspect of the utility model, a PCB cutting device is provided, comprising a working plate, a base arranged on one side of the working plate, and a cutter rotatably arranged on the side of the base;

[0007] It also includes: an adjustment seat, which is slidably arranged on the working plate, a ball screw is rotatably arranged in a port of the adjustment seat, and a sliding block is sleeved on the ball screw;

[0008] The cutting seat is arranged on the side of the adjusting seat, the surface of the cutting seat is provided with a placement groove, the four corners of the placement groove are provided with a clamping groove, and the clamping groove is provided with a positioning threaded hole;

[0009] The plate clamping mold is arranged in the placement groove. A pressure plate is arranged in the plate clamping mold, and a group of plate limiting mounting parts are arranged on the pressure plate. The plate clamping mold is provided with a clamping column at the position corresponding to each clamping slot, and each clamping column is penetrated by a positioning and fixing stud.

[0010] A further improvement is that a cutting auxiliary groove and a limiting notch for the plate limiting mounting piece to pass through are provided on the surface of the plate clamping mold, and a compression spring is sleeved on each of the clamping columns.

[0011] A further improvement is that a right-angle notch is provided in each of the plate limiting mounting parts, and a pad is provided inside the right-angle notch, and the pad is used to raise the PCB board to allow the tool to perform cutting.

[0012] A further improvement is that a drive motor is arranged in the base, the main shaft of the drive motor extends out of the base, the tool is connected to the main shaft of the drive motor through a coupling, and the drive motor drives the tool to perform high-speed rotation cutting.

[0013] A further improvement is that a sliding groove is provided on the working plate, an adjusting seat is arranged in the sliding groove, and a pushing cylinder is provided on the side of the working plate which is connected to the adjusting seat at the end. The adjusting seat and the cutting seat are driven by the pushing cylinder to move, so that the PCB board can be cut under the operation of the tool.

[0014] A further improvement is that the sliding block is movably stuck in the port of the adjustment seat, a measuring ruler is provided on the side of the adjustment seat, the ball screw is adjusted by an adjustment handwheel externally arranged on the adjustment seat, and the measuring ruler is used to adjust the cutting seat for translation and adjust the cutting position of the PCB board.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The utility model clamps the PCB to be cut in a set of plate limiting mounting parts of the pressure plate and is located on a set of pads, so that the pads can raise the PCB, making it easier for the tool to cut;

[0017] (2) The utility model covers the plate clamping mold on the pressure plate so that each plate limiting mounting piece passes through the notch corresponding to the plate clamping mold, and then places the plate clamping mold, the pressure plate and the PCB board to be cut together in the placement groove of the cutting seat, and allows the clamping columns at the four corners of the plate clamping mold together with the compression spring to be respectively clamped in each clamping groove, and then screws in the positioning and fixing studs to fix the plate clamping mold, thereby achieving positioning and fixing of the pressure plate and the PCB board to be cut, and preventing the plate clamping mold from displacement during cutting;

[0018] (3) The utility model uses an adjustment hand wheel externally mounted on the adjustment seat for adjustment, and a measuring ruler displays the translation distance of the cutting seat, thereby accurately adjusting the cutting position of the PCB board and improving the cutting accuracy. The adjustment seat and the cutting seat are then driven by a push cylinder to move, so that the PCB board can be cut under the action of the cutter. PCB boards of different sizes / widths can be cut, thereby increasing the scope of application and being more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the cutting seat of the utility model;

[0021] Figure 3 This is a schematic diagram of the plan view of the plate clamping mold of the utility model;

[0022] Figure 4 It is a structural schematic diagram of a plate limiting mounting piece of the utility model.

[0023] Markings in the figure:

[0024] 1. Working plate; 11. Sliding groove; 12. Pushing cylinder;

[0025] 2. Adjustment seat; 21. Ball screw; 22. Sliding block; 23. Measuring ruler;

[0026] 3. Base; 31. Driving motor; 32. Cutting tool;

[0027] 4. cutting seat; 41. placement slot; 42. clamping slot; 421. positioning threaded hole;

[0028] 5. Plate clamping mold; 51. Pressure plate; 52. Plate limiting mounting part; 521. Pad; 53. Clamping column; 531. Positioning fixing stud; 532. Compression spring; 54. Cutting auxiliary groove; 55. Limiting notch. DETAILED DESCRIPTION

[0029] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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.

[0030] like Figure 1 As shown, a PCB cutting device comprises a working plate 1, a base 3 arranged on one side of the working plate 1 and a cutter 32 rotatably arranged on the side of the base 3;

[0031] The base 3 is provided with a driving motor 31, the main shaft of the driving motor 31 extends out of the base 3, and the cutter 32 is connected to the main shaft of the driving motor 31 through a coupling, and the driving motor 31 drives the cutter 32 to perform high-speed rotation cutting;

[0032] like Figure 1 and Figure 2As shown, the implementation also includes: an adjustment seat 2, which is slidably arranged on the working plate 1, a ball screw 21 is rotatably arranged in the port of the adjustment seat 2, and a sliding block 22 is sleeved on the ball screw 21;

[0033] The cutting seat 4 is arranged on the side of the adjusting seat 2. A placement groove 41 is provided on the surface of the cutting seat 4. A clamping groove 42 is provided at the four corners of the placement groove 41. A positioning threaded hole 421 is provided in the clamping groove 42.

[0034] The sliding block 22 is movably stuck in the port of the adjusting seat 2, a measuring ruler 23 is arranged on the side of the adjusting seat 2, the ball screw 21 is adjusted by an adjusting hand wheel externally arranged on the adjusting seat 2, and the measuring ruler 23 is used to adjust the translation distance of the cutting seat 4 to accurately adjust the cutting position of the PCB board;

[0035] Among them, a sliding groove 11 is opened on the working plate 1, and the adjustment seat 2 is arranged in the sliding groove 11. A push cylinder 12 connected to the adjustment seat 2 is arranged on the side of the working plate 1. The adjustment seat 2 and the cutting seat 4 are driven by the push cylinder 12 to move, so that the PCB board can be cut under the operation of the cutter 32;

[0036] like Figure 3 and Figure 4 As shown, the implementation also includes: a plate clamping mold 5, which is arranged in the placement groove 41, a pressure plate 51 is arranged in the plate clamping mold 5, a group of plate limit installation parts 52 are arranged on the pressure plate 51, and the plate clamping mold 5 is provided with a clamping column 53 at a position corresponding to each clamping groove 42, and each clamping column 53 is penetrated by a positioning fixing stud 531;

[0037] The surface of the sheet metal clamping mold 5 is provided with a cutting auxiliary groove 54 and a limiting notch 55 for the sheet metal limiting mounting piece 52 to pass through. A compression spring 532 is sleeved on each clamping column 53. By covering the sheet metal clamping mold 5 on the pressure plate 51, each sheet metal limiting mounting piece 52 passes through the corresponding notch of the sheet metal clamping mold 5. Then, the sheet metal clamping mold 5, the pressure plate 51 and the PCB board to be cut are placed together in the placement groove 41 of the cutting seat 4. The clamping columns 53 at the four corners of the sheet metal clamping mold 5 are respectively clamped in each clamping groove 42 together with the compression spring 532. Then, the positioning and fixing studs 531 are screwed in to fix the sheet metal clamping mold 5, so as to realize the positioning and fixing of the pressure plate 51 and the PCB board to be cut, and prevent the sheet metal clamping mold 5 from displacement during cutting.

[0038] A right-angle notch is arranged in each plate limiting mounting member 52 , and a pad 521 is arranged inside the right-angle notch. The pad 521 is used to raise the PCB board so that the tool 32 can perform cutting.

[0039] like Figures 1 to 4As shown, in this embodiment, it should be noted that the actual size of each component in the application document is selected and installed according to the actual needs on site, and the entire cutting device is assembled on the operating table before implementation. In addition, it should be noted that the drive motor 31 and the push cylinder 12 are commercially available products of the prior art, and the working principle has been disclosed. This application document only improves the shortcomings that the existing cutting device can only cut PCB boards of specific sizes, has high usage limitations, and the PCB board has poor placement stability on the operating table, lacks positioning, and is easily displaced during cutting, resulting in low cutting accuracy. It does not involve other aspects; the working principle of this PCB board cutting device is introduced as follows:

[0040] During installation and use, the staff selects a suitable plate clamping mold 5 and a pressure plate 51 according to the size of the PCB board to be cut, and then clamps the PCB board to be cut in a set of plate limit mounting parts 52 of the pressure plate 51, and is located on a set of pads 521, so that the PCB board is raised by the pads 521, which facilitates the cutting by the cutter 32;

[0041] Then, the sheet clamping mold 5 is covered on the pressure plate 51, so that each sheet limiting mounting piece 52 passes through the limiting notch 55 corresponding to the sheet clamping mold 5, and then the sheet clamping mold 5, the pressure plate 51 and the PCB to be cut are placed together in the placement groove 41 of the cutting seat 4, and the clamping columns 53 at the four corners of the sheet clamping mold 5 together with the compression springs 532 are respectively clamped in each clamping groove 42, and then the positioning and fixing studs 531 are screwed in to fix the sheet clamping mold 5, so as to realize the positioning and fixing of the pressure plate 51 and the PCB to be cut, and prevent the sheet clamping mold 5 from displacement during cutting;

[0042] Then, the adjusting hand wheel externally mounted on the adjusting seat 2 is used for adjustment, and the measuring ruler 23 displays the translation distance of the cutting seat 4, so as to accurately adjust the cutting position of the PCB board and improve the cutting accuracy. Then, the pushing cylinder 12 drives the adjusting seat 2 and the cutting seat 4 to move, so that the PCB board can be cut under the operation of the cutter 32, and the PCB board can be cut into PCB boards of different sizes / widths, thereby improving the scope of application and being more practical.

[0043] The above embodiments are only used to illustrate the technical method of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical method of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A PCB cutting device, comprising a working plate (1), a base (3) arranged on one side of the working plate (1), and a cutter (32) rotatably arranged on the side of the base (3); It is characterized in that Also includes: An adjustment seat (2) is slidably arranged on the working plate (1), a ball screw (21) is rotatably arranged in a port of the adjustment seat (2), and a sliding block (22) is sleeved on the ball screw (21); A cutting seat (4) is arranged on the side of the adjusting seat (2), a surface of the cutting seat (4) is provided with a placement groove (41), four corners of the placement groove (41) are provided with clamping grooves (42), and positioning threaded holes (421) are provided in the clamping grooves (42); The sheet metal clamping mold (5) is arranged in the placement groove (41), a pressure plate (51) is arranged in the sheet metal clamping mold (5), a group of sheet metal limit mounting parts (52) are arranged on the pressure plate (51), and a clamping column (53) is arranged at a position corresponding to each clamping groove (42) in the sheet metal clamping mold (5), and a positioning fixing stud (531) is arranged through each clamping column (53).

2. A PCB cutting device according to claim 1, characterized in that: A cutting auxiliary groove (54) and a limiting notch for the plate limiting mounting member (52) to pass through are provided on the surface of the plate clamping mold (5), and a compression spring (532) is sleeved on each clamping column (53).

3. A PCB cutting device according to claim 1, characterized in that: Each of the plate limiting mounting parts (52) is provided with a right-angle notch, and a pad (521) is provided inside the right-angle notch.

4. A PCB cutting device according to claim 1, characterized in that: A driving motor (31) is arranged in the base (3), the main shaft of the driving motor (31) extends out of the base (3), and the tool (32) is connected to the main shaft of the driving motor (31) via a coupling.

5. The PCB cutting device according to claim 1, characterized in that: The working plate (1) is provided with a sliding groove (11), the adjusting seat (2) is arranged in the sliding groove (11), and the side surface of the working plate (1) is provided with a pushing cylinder (12) which is connected to the adjusting seat (2) at its end.

6. A PCB cutting device according to claim 1, characterized in that: The sliding block (22) is movably clamped in the port of the adjustment seat (2); a measuring ruler (23) is provided on the side of the adjustment seat (2); and the ball screw (21) is adjusted by an adjustment hand wheel externally arranged on the adjustment seat (2).

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