Special-shaped hole processing device for PCB (Printed Circuit Board)

Abstract

The utility model relates to the technical field of special-shaped hole processing of a PCB (Printed Circuit Board), in particular to a special-shaped hole processing device of the PCB, and solves the problems that after special-shaped slotted holes are produced by the conventional special-shaped hole processing device of the PCB, glass fibers at the intersection of two slots are difficult to cut off, so that burrs are generated, the burrs can become stress concentration points, the mechanical strength of the PCB is reduced, and the production cost is reduced. And the problem of breakage in the subsequent assembly or use process is solved. The drilling device comprises a bottom plate, a supporting assembly, a clamping assembly, a fixing assembly, a rotating assembly, a lifting assembly and a drilling assembly. Compared with the problem that burrs at the intersection of two grooves are difficult to remove during machining of a traditional special-shaped hole machining device for the PCB, the special-shaped hole machining device for the PCB has the advantages that the burrs at the intersection of the two grooves are accurately positioned, ground and removed by adopting a grinding method in the special-shaped hole machining device for the PCB, and the influence of the burrs on the subsequent machining quality of the PCB is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of processing special-shaped holes of PCB circuit boards, and in particular to a device for processing special-shaped holes of PCB circuit boards. Background Art

[0002] PCB circuit board is the support body of electronic components, which is used to electrically connect various components to ensure the normal operation of electronic equipment. As electronic products develop towards miniaturization, lightweight and high performance, a PCB circuit board special-shaped hole processing device is a punching device. The design of PCB circuit boards is becoming more and more complex, and the number and types of special-shaped holes are also increasing. Special-shaped holes refer to non-standard circular holes, such as elliptical, rectangular, slot-shaped, polygonal, etc. These holes are increasingly used in modern electronic equipment, especially in occasions requiring special electromagnetic shielding, heat dissipation or mechanical fixation. The existing PCB circuit board special-shaped hole processing device usually produces burrs because the glass fiber is difficult to cut at the intersection of the two slots after the special-shaped slots are produced. The burrs will become stress concentration points, reduce the mechanical strength of the PCB, and break during subsequent assembly or use. Utility Model Content

[0003] In order to overcome the problem that when drilling holes in PCB circuit board special-shaped hole processing devices, the existing PCB circuit board special-shaped hole processing devices usually produce burrs because the glass fiber is difficult to cut at the intersection of the two grooves after the special-shaped slots are produced. The burrs will become stress concentration points, reduce the mechanical strength of the PCB, and break during subsequent assembly or use.

[0004] The technical scheme of the utility model is: a PCB circuit board special-shaped hole processing device, including a base plate, a supporting component, a clamping component, a fixing component, a rotating component, a lifting component and a drilling component; a supporting component is arranged above the base plate, a clamping component for fixing the PCB circuit board during drilling is arranged on one side of the supporting component, a fixing component is arranged on one side of the clamping component, a rotating component for removing burrs at the intersection of two grooves after drilling is arranged on one side of the fixing component, a lifting component is arranged below the rotating component, and a drilling component is arranged on the other side of the supporting component.

[0005] Preferably, by setting up a support component, a stable support effect can be provided for the operation of the PCB circuit board special-shaped hole processing device, by using a clamping component, the PCB circuit board can be preliminarily positioned and fixed during drilling, by using a fixing component, the clamping component can be further fixed to prevent movement during drilling and resulting in a decrease in accuracy, and by the movement of the rotating component, the intersection of the two grooves can be polished to remove burrs after drilling is completed, by setting up a lifting component, the rotating component can be driven to move up and down so that the burrs can be removed more cleanly, and by setting up a drilling component, the PCB circuit board can be drilled to form the required special-shaped holes.

[0006] Furthermore, the support assembly includes a first support column, a support plate, a positioning frame, a positioning hole, a sliding groove, a rotating hole and a waste groove; a first support column is arranged above the bottom plate, four groups of the first support columns are arranged, a support plate is arranged above the first support column, a waste groove is opened above the support plate, a positioning frame is arranged on one side of the waste groove, a positioning hole is opened on one side of the positioning frame, two groups of positioning holes are opened, a sliding groove is opened on one side of the positioning hole, and a rotating hole is opened on the other side of the positioning hole. When in use, by arranging four groups of first support columns and support plates, a stable support effect can be provided for the operation of the PCB circuit board special-shaped hole processing device, by arranging the positioning frame, the cutting position of the PCB circuit board can be positioned, and the PCB circuit board can be accurately placed on the positioning frame to avoid skewed placement, and by arranging the waste groove, the waste generated during the processing can be effectively collected to avoid scattering in the working area.

[0007] Furthermore, the clamping assembly includes a first sliding block and a sliding frame; the first sliding block is arranged inside the sliding groove, and the sliding frame is arranged above the first sliding block. When in use, the first sliding block slides in the sliding groove to drive the sliding frame to move. After the PCB circuit board body is placed in the positioning frame, the sliding frame and the positioning frame are closed to preliminarily fix the PCB circuit board body.

[0008] Furthermore, the fixing component includes a hinge, a first fixing plate and a fixing column; a hinge is provided on the other side of the positioning frame, and the hinge is provided in two groups; a first fixing plate is provided on one side of the hinge, and the first fixing plate is provided in two groups; the first fixing plate is rotatably connected to the positioning frame through the hinge; a fixing column is provided below the first fixing plate, and the fixing column is provided in two groups; when in use, rotating the two groups of first fixing plates can drive the two groups of fixing columns to rotate; the two groups of fixing columns are inserted into the positioning holes to fix the sliding frame, thereby preventing movement during drilling, resulting in a decrease in drilling accuracy, and affecting the quality of the finished PCB circuit board.

[0009] Furthermore, the rotating assembly includes a first rotating column, a first motor, a second fixed plate, a first track plate, a second sliding block, a connecting rod, a third fixed plate, a second rotating column, a second motor, a grinding head, a PCB circuit board body and a positioning plate; the first rotating column is arranged inside the rotating hole, the first motor is arranged above the first rotating column, the output end of the first motor is rotatably connected to the first rotating column, the second fixed plate is arranged below the first rotating column, the first track plate is arranged on one side of the second fixed plate, the second sliding block is arranged on one side of the first track plate, the connecting rod is arranged on one side of the second sliding block, the third fixed plate is arranged on one side of the connecting rod, and the third A second rotating column is arranged above the fixed plate, and the second rotating column passes through the third fixed plate. A second motor is arranged below the second rotating column, and the output end of the second motor is rotatably connected to the second rotating column. A grinding head is arranged above the second rotating column, and a PCB circuit board body is arranged on one side of the grinding head, and a positioning plate is arranged on the other side of the connecting rod. When in use, the first motor is started after the drilling is completed to drive the first rotating column to rotate, thereby driving the grinding head to rotate. The connecting rod can be limited by setting the positioning plate. When the connecting rod contacts the positioning plate, the grinding head can be moved to the bottom of the special-shaped hole of the PCB circuit board body, which can effectively prevent the grinding head from moving crookedly and affecting the grinding accuracy.

[0010] Furthermore, the lifting assembly includes a first electronic telescopic rod and a lifting rod; a lifting rod is arranged below the second sliding block, and the first electronic telescopic rod is arranged below the lifting rod. When in use, the movement of the first electronic telescopic rod can drive the lifting rod to move up and down, thereby driving the second sliding block to slide in the first track plate, thereby driving the grinding head to move up and down, and the grinding head can be stably moved to one side of the special-shaped hole. The second motor is started to drive the second rotating column to rotate, thereby driving the grinding head to rotate, and the intersection of the two grooves can be polished to remove burrs, thereby avoiding the impact of burrs on the subsequent processing quality of the PCB circuit board body due to failure to remove burrs.

[0011] Furthermore, the drilling assembly includes a second support column, a second track plate, a fourth fixed plate, a second electronic telescopic rod, a fifth fixed plate, a third electronic telescopic rod, a third sliding block, a fourth electronic telescopic rod, a drilling machine and a sliding frame; a second support column is arranged on one side of the sliding frame, and the second support column is arranged in four groups; a second track plate is arranged above the second support column, and the second track plate is arranged in two groups; a fourth fixed plate is arranged on one side of the second track plate, and the fourth fixed plate is arranged in two groups; a second electronic telescopic rod is arranged on one side of the fourth fixed plate, and the second electronic telescopic rod is arranged in two groups; a sliding frame is arranged on one side of the second electronic telescopic rod, and one side of the sliding frame is arranged with the fifth fixed plate, and the fifth A third electronic telescopic rod is arranged on one side of the fixed plate, a third sliding block is arranged on one side of the third electronic telescopic rod, a fourth electronic telescopic rod is arranged below the third sliding block, and a drilling machine is arranged below the fourth electronic telescopic rod. When in use, the movement of the two groups of second electronic telescopic rods can drive the sliding frame to slide on the two groups of second track plates, thereby driving the drilling machine to move left and right, and then the movement of the third electronic telescopic rod can drive the third sliding block to slide on the sliding frame, thereby driving the drilling machine to move forward and backward. After moving to the position on the PCB circuit board where drilling is required, the fourth electronic telescopic rod is started to drive the drilling machine to move to the top of the PCB circuit board, and the drilling machine is started to drill holes to form the required special-shaped holes.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the problem that the burrs at the intersection of two grooves are difficult to remove in the traditional PCB circuit board special-shaped hole processing device during processing, the grinding method is adopted in the PCB circuit board special-shaped hole processing device to accurately locate and grind the intersection of the two grooves to remove the burrs, so as to avoid the burrs affecting the subsequent processing quality of the PCB circuit board;

[0014] 2. After the drilling is completed, the first motor is started to drive the first rotating column to rotate, thereby driving the grinding head to rotate. The connecting rod can be limited by setting a positioning plate. When the connecting rod contacts the positioning plate, the grinding head can be moved to the bottom of the special-shaped hole of the PCB circuit board body, which can effectively prevent the grinding head from moving crooked and affecting the grinding accuracy. The movement of the first electronic telescopic rod can drive the lifting rod to move up and down, thereby driving the second sliding block to slide in the first track plate, thereby driving the grinding head to move up and down, and the grinding head can be stably moved to one side of the special-shaped hole. The second motor is started to drive the second rotating column to rotate, thereby driving the grinding head to rotate, and the intersection of the two grooves can be polished to remove burrs, so as to avoid the subsequent processing quality of the PCB circuit board body affected by the failure to remove the burrs;

[0015] 3. Use the first sliding block to slide in the sliding groove to drive the sliding frame to move. After placing the PCB circuit board body on the positioning frame, close the sliding frame and the positioning frame to preliminarily fix the PCB circuit board body. Rotating the two sets of first fixed plates can drive the two sets of fixed columns to rotate. The two sets of fixed columns are inserted into the positioning holes to fix the sliding frame to prevent movement during drilling, which may cause a decrease in drilling accuracy and affect the quality of the finished PCB circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a left-view stereoscopic structural schematic diagram of the PCB circuit board special-shaped hole processing device of the utility model;

[0017] Figure 2 What is shown is a schematic diagram of the three-dimensional structure of the support assembly of the PCB circuit board special-shaped hole processing device of the utility model;

[0018] Figure 3 What is shown is a schematic diagram of the three-dimensional structure of the clamping component and the fixing component of the PCB circuit board special-shaped hole processing device of the utility model;

[0019] Figure 4 The figure shows a three-dimensional structure diagram of the rotating assembly of the PCB circuit board special-shaped hole processing device of the utility model;

[0020] Figure 5 The figure shows a bottom-up three-dimensional structure diagram of a lifting assembly of a PCB circuit board special-shaped hole processing device of the utility model;

[0021] Figure 6 The three-dimensional structure diagram of the drilling assembly of the PCB circuit board special-shaped hole processing device of the utility model is shown.

[0022] Description of the accompanying drawings: 1, bottom plate; 2, supporting assembly; 3, clamping assembly; 4, fixing assembly; 5, rotating assembly; 6, lifting assembly; 7, drilling assembly; 201, first supporting column; 202, supporting plate; 203, positioning frame; 204, positioning hole; 205, sliding groove; 206, rotating hole; 207, waste groove; 301, first sliding block; 302, sliding frame; 401, hinge; 402, first fixed plate; 403, fixed column; 501, first rotating column; 502, first motor; 503, second fixed plate; 504, first track plate; 50 5. Second sliding block; 506. Connecting rod; 507. Third fixed plate; 508. Second rotating column; 509. Second motor; 510. Grinding head; 511. PCB circuit board body; 512. Positioning plate; 601. First electronic telescopic rod; 602. Lifting rod; 701. Second supporting column; 702. Second track plate; 703. Fourth fixed plate; 704. Second electronic telescopic rod; 705. Fifth fixed plate; 706. Third electronic telescopic rod; 707. Third sliding block; 708. Fourth electronic telescopic rod; 709. Drilling machine; 710. Sliding rack. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments. Embodiment 1:

[0024] See also Figure 1 The utility model provides an embodiment: a PCB circuit board special-shaped hole processing device, including a base plate 1, a supporting component 2, a clamping component 3, a fixing component 4, a rotating component 5, a lifting component 6 and a drilling component 7; the supporting component 2 is arranged above the base plate 1, and the clamping component 3 for fixing the PCB circuit board during drilling is arranged on one side of the supporting component 2, and the fixing component 4 is arranged on one side of the clamping component 3. The rotating component 5 for removing burrs at the intersection of two grooves after drilling is arranged on one side of the fixing component 4, and the lifting component 6 is arranged below the rotating component 5, and the drilling component 7 is arranged on the other side of the supporting component 2.

[0025] See also Figure 2In this embodiment, the support assembly 2 includes a first support column 201, a support plate 202, a positioning frame 203, a positioning hole 204, a sliding groove 205, a rotating hole 206 and a waste groove 207; the first support column 201 is arranged above the bottom plate 1, and the first support column 201 is arranged in four groups, the support plate 202 is arranged above the first support column 201, and a waste groove 207 is opened above the support plate 202, and a positioning frame 203 is arranged on one side of the waste groove 207, and a positioning hole 204 is opened on one side of the positioning frame 203, and the positioning hole 204 is opened in two groups. A sliding groove 205 is provided on one side of the positioning hole 204, and a rotating hole 206 is provided on the other side of the positioning hole 204. When in use, by setting four groups of first support columns 201 and support plates 202, a stable support effect can be provided for the operation of the PCB circuit board special-shaped hole processing device. By setting a positioning frame 203, the cutting position of the PCB circuit board can be positioned, and the PCB circuit board can be accurately placed on the positioning frame 203 to avoid skewed placement. By setting a waste groove 207, waste generated during the processing can be effectively collected to avoid scattering in the working area. Embodiment 2:

[0026] See also Figure 3 In this embodiment, the clamping assembly 3 includes a first sliding block 301 and a sliding frame 302; the first sliding block 301 is arranged inside the sliding groove 205, and the sliding frame 302 is arranged above the first sliding block 301. When in use, the first sliding block 301 slides in the sliding groove 205 to drive the sliding frame 302 to move. After the PCB circuit board body 511 is placed on the positioning frame 203, the sliding frame 302 and the positioning frame 203 are closed to preliminarily fix the PCB circuit board body 511. The fixing assembly 4 includes a hinge 401, a first fixing plate 402 and a fixing column 403; the other end of the positioning frame 203 A hinge 401 is provided on one side, and two groups of hinges 401 are provided. A first fixed plate 402 is provided on one side of the hinge 401, and two groups of first fixed plates 402 are provided. The first fixed plate 402 is rotatably connected to the positioning frame 203 through the hinge 401. A fixed column 403 is provided below the first fixed plate 402, and two groups of fixed columns 403 are provided. When in use, rotating the two groups of first fixed plates 402 can drive the two groups of fixed columns 403 to rotate, and the two groups of fixed columns 403 are inserted into the group positioning holes 204 to fix the sliding frame 302, so as to prevent movement during drilling, resulting in a decrease in drilling accuracy, and affecting the quality of the finished PCB circuit board.

[0027] See also Figure 4In the present embodiment, the rotating assembly 5 comprises a first rotating column 501, a first motor 502, a second fixed plate 503, a first track plate 504, a second sliding block 505, a connecting rod 506, a third fixed plate 507, a second rotating column 508, a second motor 509, a grinding head 510, a PCB circuit board body 511 and a positioning plate 512; the first rotating column 501 is arranged inside the rotating hole 206, the first motor 502 is arranged above the first rotating column 501, the output end of the first motor 502 is rotatably connected to the first rotating column 501, the second fixed plate 503 is arranged below the first rotating column 501, the first track plate 504 is arranged on one side of the second fixed plate 503, the second sliding block 505 is arranged on one side of the first track plate 504, the connecting rod 506 is arranged on one side of the second sliding block 505, and the third fixed plate 506 is arranged on one side of the connecting rod 506. Plate 507, a second rotating column 508 is arranged above the third fixed plate 507, the second rotating column 508 penetrates the third fixed plate 507, a second motor 509 is arranged below the second rotating column 508, the output end of the second motor 509 is rotatably connected to the second rotating column 508, a grinding head 510 is arranged above the second rotating column 508, a PCB circuit board body 511 is arranged on one side of the grinding head 510, and a positioning plate 512 is arranged on the other side of the connecting rod 506. When in use, the first motor 502 is started after the drilling is completed to drive the first rotating column 501 to rotate, thereby driving the grinding head 510 to rotate, and the connecting rod 506 can be limited by setting the positioning plate 512. When the connecting rod 506 contacts the positioning plate 512, the grinding head 510 can be moved to the bottom of the special-shaped hole of the PCB circuit board body 511, which can effectively prevent the grinding head 510 from moving crookedly and affecting the grinding accuracy.

[0028] See also Figure 5 In this embodiment, the lifting assembly 6 includes a first electronic telescopic rod 601 and a lifting rod 602; the lifting rod 602 is arranged below the second sliding block 505, and the first electronic telescopic rod 601 is arranged below the lifting rod 602. When in use, the movement of the first electronic telescopic rod 601 can drive the lifting rod 602 to move up and down, thereby driving the second sliding block 505 to slide in the first track plate 504, thereby driving the grinding head 510 to move up and down, and the grinding head 510 can be stably moved to one side of the special-shaped hole, and the second motor 509 is started to drive the second rotating column 508 to rotate, thereby driving the grinding head 510 to rotate, and the intersection of the two grooves can be polished to remove burrs, so as to avoid the burrs not being removed affecting the subsequent processing quality of the PCB circuit board body 511.

[0029] See also Figure 6In this embodiment, the drilling assembly 7 includes a second support column 701, a second track plate 702, a fourth fixed plate 703, a second electronic telescopic rod 704, a fifth fixed plate 705, a third electronic telescopic rod 706, a third sliding block 707, a fourth electronic telescopic rod 708, a drilling machine 709 and a sliding frame 710; a second support column 701 is arranged on one side of the sliding frame 302, and the second support column 701 is arranged in four groups, a second track plate 702 is arranged above the second support column 701, and the second track plate 702 is arranged in two groups, a fourth fixed plate 703 is arranged on one side of the second track plate 702, and the fourth fixed plate 703 is arranged in two groups, a second electronic telescopic rod 704 is arranged on one side of the fourth fixed plate 703, and the second electronic telescopic rod 704 is arranged in two groups, a sliding frame 710 is arranged on one side of the second electronic telescopic rod 704, and a sliding frame 710 is arranged on one side of the sliding frame 710 The fifth fixed plate 705 is provided with a third electronic telescopic rod 706 on one side of the fifth fixed plate 705, a third sliding block 707 is provided on one side of the third electronic telescopic rod 706, a fourth electronic telescopic rod 708 is provided below the third sliding block 707, and a drilling machine 709 is provided below the fourth electronic telescopic rod 708. When in use, the movement of the two groups of second electronic telescopic rods 704 can drive the sliding frame 710 to slide on the two groups of second track plates 702, thereby driving the drilling machine 709 to move left and right, and then the movement of the third electronic telescopic rod 706 can drive the third sliding block 707 to slide on the sliding frame 710, thereby driving the drilling machine 709 to move forward and backward. After moving to the position where drilling is required on the PCB circuit board, the fourth electronic telescopic rod 708 is started to drive the drilling machine 709 to move above the PCB circuit board, and the drilling machine 709 is started to drill holes to form the required special-shaped holes.

[0030] When the PCB circuit board special-shaped hole processing device is processed, four groups of first support columns 201 and support plates 202 are provided to provide stable support for the operation of the PCB circuit board special-shaped hole processing device. The cutting position of the PCB circuit board can be positioned by setting the positioning frame 203, and the PCB circuit board can be accurately placed on the positioning frame 203. The waste material generated during the processing can be effectively collected by setting the waste material slot 207. The PCB circuit board body 511 is placed on the positioning frame 203, and the first sliding block 301 is used to slide in the sliding slot 205 to drive the sliding frame 302 The sliding frame 302 and the positioning frame 203 are closed to preliminarily fix the PCB circuit board body 511, and the two sets of first fixing plates 402 are rotated to drive the two sets of fixing columns 403 to rotate. The two sets of fixing columns 403 are inserted into the positioning holes 204 to fix the sliding frame 302. The movement of the two sets of second electronic telescopic rods 704 drives the sliding frame 710 to slide on the two sets of second track plates 702, thereby driving the drilling machine 709 to move left and right, and then the movement of the third electronic telescopic rod 706 drives the third sliding block 707 to slide on the sliding frame 710, thereby driving The drilling machine 709 moves forward and backward, and after it moves to the position where a hole needs to be drilled on the PCB circuit board, the fourth electronic telescopic rod 708 is started to drive the drilling machine 709 to move above the PCB circuit board, and the drilling machine 709 is started to drill holes to form the required special-shaped holes. After the drilling is completed, the first motor 502 is started to drive the first rotating column 501 to rotate, thereby driving the grinding head 510 to rotate, and the connecting rod 506 is limited by setting the positioning plate 512. When the connecting rod 506 contacts the positioning plate 512, the grinding head 510 is moved to the bottom of the special-shaped hole of the PCB circuit board body 511. The grinding head 510 can be effectively prevented from moving crookedly to affect the grinding accuracy. The movement of the first electronic telescopic rod 601 is used to drive the lifting rod 602 to move up and down, thereby driving the second sliding block 505 to slide in the first track plate 504, thereby driving the grinding head 510 to move up and down, and stably moving the grinding head 510 to the side of the special-shaped hole. The second motor 509 is started to drive the second rotating column 508 to rotate, thereby driving the grinding head 510 to rotate, and the intersection of the two grooves can be polished to remove burrs, so as to avoid the subsequent processing quality of the PCB circuit board body 511 affected by the unremoved burrs;

[0031] Through the above steps, by setting the support component 2, a stable support effect can be provided for the operation of the PCB circuit board special-shaped hole processing device; by using the clamping component 3, the PCB circuit board can be preliminarily positioned and fixed during drilling; by setting the fixing component 4, the clamping component 3 can be further fixed to prevent movement during drilling, resulting in a decrease in accuracy; by the movement of the rotating component 5, the intersection of the two grooves can be polished to remove burrs after the drilling is completed; by setting the lifting component 6, the rotating component 5 can be driven to move up and down to remove the burrs more cleanly; by setting the drilling component 7, the PCB circuit board can be drilled to form the required special-shaped holes.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A PCB circuit board special-shaped hole processing device, comprising a bottom plate (1); characterized in that: The invention also comprises a supporting assembly (2), a clamping assembly (3), a fixing assembly (4), a rotating assembly (5), a lifting assembly (6) and a drilling assembly (7); the supporting assembly (2) is arranged above the bottom plate (1); a clamping assembly (3) for fixing the PCB circuit board when drilling is arranged on one side of the supporting assembly (2); a fixing assembly (4) is arranged on one side of the clamping assembly (3); a rotating assembly (5) for removing burrs at the intersection of two grooves after drilling is arranged on one side of the fixing assembly (4); a lifting assembly (6) is arranged below the rotating assembly (5); and a drilling assembly (7) is arranged on the other side of the supporting assembly (2).

2. A PCB circuit board special-shaped hole processing device according to claim 1, characterized in that: The support assembly (2) comprises a first support column (201), a support plate (202), a positioning frame (203), a positioning hole (204), a sliding groove (205), a rotating hole (206) and a waste groove (207); the first support column (201) is arranged above the bottom plate (1), four groups of the first support column (201) are arranged, a support plate (202) is arranged above the first support column (201), a waste groove (207) is provided above the support plate (202), a positioning frame (203) is arranged on one side of the waste groove (207), a positioning hole (204) is provided on one side of the positioning frame (203), two groups of the positioning holes (204) are provided, a sliding groove (205) is provided on one side of the positioning holes (204), and a rotating hole (206) is provided on the other side of the positioning holes (204).

3. A PCB circuit board special-shaped hole processing device according to claim 2, characterized in that: The dustproof clamping assembly (3) comprises a first sliding block (301) and a sliding frame (302); the first sliding block (301) is arranged inside the sliding groove (205), and the sliding frame (302) is arranged above the first sliding block (301).

4. A PCB circuit board special-shaped hole processing device according to claim 2, characterized in that: The fixing assembly (4) comprises a hinge (401), a first fixing plate (402) and a fixing column (403); a hinge (401) is arranged on the other side of the positioning frame (203), and two groups of hinges (401) are arranged; a first fixing plate (402) is arranged on one side of the hinge (401), and two groups of first fixing plates (402) are arranged; the first fixing plate (402) is rotatably connected to the positioning frame (203) via the hinge (401); a fixing column (403) is arranged below the first fixing plate (402), and two groups of fixing columns (403) are arranged.

5. A PCB circuit board special-shaped hole processing device according to claim 2, characterized in that: The rotating assembly (5) comprises a first rotating column (501), a first motor (502), a second fixed plate (503), a first track plate (504), a second sliding block (505), a connecting rod (506), a third fixed plate (507), a second rotating column (508), a second motor (509), a grinding head (510), a PCB circuit board body (511) and a positioning plate (512); the first rotating column (501) is arranged inside the rotating hole (206), the first motor (502) is arranged above the first rotating column (501), the output end of the first motor (502) is rotatably connected to the first rotating column (501), the second fixed plate (503) is arranged below the first rotating column (501), and the first track plate is arranged on one side of the second fixed plate (503). A block (504) is provided with a second sliding block (505) on one side of the first track block (504), a connecting rod (506) is provided on one side of the second sliding block (505), a third fixed block (507) is provided on one side of the connecting rod (506), a second rotating column (508) is provided above the third fixed block (507), the second rotating column (508) passes through the third fixed block (507), a second motor (509) is provided below the second rotating column (508), an output end of the second motor (509) is rotatably connected to the second rotating column (508), a grinding head (510) is provided above the second rotating column (508), a PCB circuit board body (511) is provided on one side of the grinding head (510), and a positioning plate (512) is provided on the other side of the connecting rod (506).

6. A PCB circuit board special-shaped hole processing device according to claim 5, characterized in that: The lifting assembly (6) comprises a first electronic telescopic rod (601) and a lifting rod (602); the lifting rod (602) is arranged below the second sliding block (505), and the first electronic telescopic rod (601) is arranged below the lifting rod (602).

7. The PCB circuit board special-shaped hole processing device according to claim 1, characterized in that: The drilling assembly (7) comprises a second support column (701), a second track plate (702), a fourth fixed plate (703), a second electronic telescopic rod (704), a fifth fixed plate (705), a third electronic telescopic rod (706), a third sliding block (707), a fourth electronic telescopic rod (708), a drilling machine (709) and a sliding frame (710); a second support column (701) is arranged on one side of the sliding frame (302), and the second support column (701) is arranged in four groups; a second track plate (702) is arranged above the second support column (701), and the second track plate (702) is arranged in two groups; a fourth fixed plate (703) is arranged on one side of the second track plate (702); 03), two groups of fourth fixed plates (703) are provided, a second electronic telescopic rod (704) is provided on one side of the fourth fixed plate (703), two groups of second electronic telescopic rods (704) are provided, a sliding frame (710) is provided on one side of the second electronic telescopic rod (704), one side of the sliding frame (710) is provided with a fifth fixed plate (705), a third electronic telescopic rod (706) is provided on one side of the fifth fixed plate (705), a third sliding block (707) is provided on one side of the third electronic telescopic rod (706), a fourth electronic telescopic rod (708) is provided below the third sliding block (707), and a drilling machine (709) is provided below the fourth electronic telescopic rod (708).

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