Laser cutting equipment for circuit board

Abstract

The invention belongs to the technical field of circuit board laser processing devices, particularly relates to laser cutting equipment for a circuit board, and provides the following scheme for solving the problems in the prior art: the laser cutting equipment comprises a machine table, a sliding groove is formed in the inner wall of the bottom of the machine table, and a moving box is slidably connected between the two inner walls of the sliding groove; shielding belts are fixedly connected between the outer walls of the two sides of the moving box and the inner walls of the two sides of the sliding groove, and a collecting box is detachably connected to the inner wall of the bottom of the sliding groove. The circuit board is placed at the bottom of the machine table through the arranged moving boxes, the moving boxes are moved to the two sides of the circuit board, a laser generator body is started to cut and engrave the circuit board, a pump machine is started, the pump machine drives air flow to enter the moving boxes through a fixing pipe, and therefore the circuit board is cut and engraved. And the airflow drives solid small-particle sweeps and smoke generated in the cutting and carving process to enter the moving box and be collected through the collecting box.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit board laser processing devices, and in particular to a laser cutting device for circuit boards. Background Art

[0002] The high energy density of the laser beam is used during circuit board processing to rapidly heat the material to its melting point or vaporization point in a very short time, thereby achieving the processing process. It is widely used in circuit board manufacturing in the electronics industry.

[0003] After searching, the invention patent with publication number CN118543986A is named as a circuit board laser cutting device. The patented device can adjust the distance that the position adjusting piston rod extends into the position adjusting tube by rotating the position adjusting piston rod, so that the gas in the position adjusting tube can be squeezed into the connecting tube and finally into the main channel of the indirectly connected position adjusting plate, thereby increasing the air pressure in the auxiliary channel connected to the main channel, so that the control piston rod connected to the auxiliary channel drives the clamping bar connected to the position adjusting plate to move, so that it is convenient to clamp circuit boards of different lengths, and through the positioning groove with an isosceles trapezoidal cross-section, circuit boards of different widths can be clamped, so that the device can easily clamp circuit boards of different sizes.

[0004] However, the patented device will affect the cleanliness of the processing environment because the waste chips and smoke generated during the cutting and engraving process will surround and adhere to the air near the circuit board. Summary of the invention

[0005] Based on the technical problems existing in the prior art, the present invention proposes a laser cutting device for circuit boards.

[0006] The present invention proposes a laser cutting device for circuit boards, comprising a machine table, a slide groove is provided on the bottom inner wall of the machine table, a movable box is slidably connected between the two inner walls of the slide groove, shielding belts are fixedly connected between the two outer walls of the movable box and the two inner walls of the slide groove, a collection box is detachably connected to the bottom inner wall of the slide groove, one side of the movable box is slidably connected to one inner wall of the collection box, an opening and closing plate aligned with the collection box is detachably connected between the side inner wall and outer wall of the slide groove, the side of the opening and closing plate is fixedly connected to the side of the collection box, and the other side of the opening and closing plate is fixedly connected to a handle.

[0007] Preferably, a pump is fixedly connected to the bottom of the side of the machine, one end of the pump is fixedly connected to a fixed pipe, the other end of the fixed pipe extends to the inside of the collection box, and the other end of the pump is fixedly connected to a connecting pipe.

[0008] Preferably, one end of the fixed tube is rotatably connected to a rotating cylinder, an annular groove is evenly formed on one end of the circumferential side surface of the fixed tube, an opening aligned with the annular groove is evenly formed on one end of the circumferential side surface of the fixed tube, a filter is fixedly connected between two sides of the opening, a rotating shaft is fixedly connected to the inner wall of the side surface of the rotating cylinder, and the other end of the rotating shaft extends to the interior of the fixed tube.

[0009] Preferably, the circumferential side of the rotating shaft is evenly fixedly connected with fan blades located inside the fixed tube, the side of the rotating cylinder is fixedly connected with a rotating plate aligned with the filter, and the bottom of the rotating plate is evenly fixedly connected with a fixed brush located outside the fixed tube.

[0010] Preferably, a moving block is provided on the top of the machine, the bottom of the moving block is fixedly connected to the laser generator body, an air groove surrounding the laser generator body is provided inside the moving block, one end of the connecting tube is fixedly connected to the inner wall of the side of the air groove, and openings are evenly provided between the inner wall and the outer wall of the circumferential side of the air groove.

[0011] Preferably, the inner wall of the side of the slide groove is fixedly connected to motor 2, the output shaft of motor 2 is fixedly connected to screw rod 2, the other end of screw rod 2 extends to the side of the opening and closing plate, the circumferential side of screw rod 2 is threadedly connected to the interior of the moving box, and a fixing ring surrounding screw rod 2 is fixedly connected between the inner walls on both sides of the moving box.

[0012] Preferably, lifting grooves are provided on both sides of the machine, the bottom of one lifting groove is fixedly connected to a motor 1, the output shaft of the motor 1 is fixedly connected to a screw rod 1, the other end of the screw rod 1 is rotatably connected to the top inner wall of the lifting groove, and the top and bottom of the other lifting groove are evenly fixedly connected to at least two fixed columns.

[0013] Preferably, a lifting plate is slidably connected between the two inner walls of the lifting groove, the circumferential side surface of the fixed column is slidably connected to the inside of the lifting plate, the circumferential side surface of the screw rod 1 is threadedly connected to the inside of the lifting plate, and the side surface of the lifting plate is fixedly connected to a lifting frame.

[0014] Preferably, a motor three is fixedly connected to the inner wall of the side of the lifting frame, a screw rod three is fixedly connected to the output shaft of the motor three, the other end of the screw rod three is rotatably connected to the inner wall of the side of the lifting frame, a movable plate is threadedly connected to the circumferential side of the screw rod three, one side of the movable plate is slidably connected to the inner wall of one side of the lifting frame, and the bottom of the movable plate is fixedly connected to the top of the moving block.

[0015] Preferably, a motor four is fixedly connected to an outer wall of the moving box, a screw rod four is fixedly connected to the output shaft of the motor four, the other end of the screw rod four is rotatably connected to an inner wall of the moving box, at least two clamps are threadedly connected to the circumferential side of the screw rod four, the top of the clamp is slidably connected to the top inner wall of the moving box, and a clamping plate is fixedly connected between the two inner walls of the moving box.

[0016] The beneficial effects of the present invention are:

[0017] 1. Place the circuit board at the bottom of the machine through the mobile box, move the mobile box to both sides of the circuit board, start the laser generator body to cut and engrave the circuit board, start the pump, and drive the airflow into the mobile box through the fixed pipe. The airflow drives the solid small particles of waste and smoke generated during the cutting and engraving process into the mobile box and collects them through the collection box, which is beneficial to prevent the waste and smoke generated during the cutting and engraving process from surrounding and adhering to the air near the circuit board, affecting the cleanliness of the processing environment and the health of the operator. The airflow enters the fixed pipe after being filtered by the filter and drives the fan blade to rotate. The fan blade drives the shaft to rotate, the shaft drives the rotating cylinder to rotate, the rotating cylinder drives the rotating plate to rotate, and the rotating plate drives the fixed brush to rotate. The fixed brush cleans the filter, which is beneficial to prevent the filter from being blocked, resulting in the device being unable to guide the airflow to carry waste and smoke into the mobile box, affecting the stability of the device. The airflow enters the air groove through the connecting pipe and sprays out through the opening, so that the airflow sends the debris on the surface of the circuit board and the smoke above the circuit board into the mobile box, which is beneficial to the device to further clean the waste and smoke during the cutting and engraving process.

[0018] 2. Through the provided clamping plate, start motor 2, motor 2 drives screw rod 2 to rotate, screw rod 2 drives the moving box to move, the moving box drives the card to move, the card clamps the circuit board, start motor 4, motor 4 drives screw rod 4 to rotate, screw rod 4 drives the clamping plate to move, so that the clamping plate is clamped on both sides of the circuit board, which is conducive to the device to clamp and fix circuit boards of different sizes and specifications, and prevent the circuit board from moving abnormally during the laser engraving and cutting process, resulting in errors in the laser cutting and engraving position, affecting the processing effect of the device, start motor 1, motor 1 drives screw rod 1 to rotate, screw rod 1 drives the lifting plate to move, the lifting plate drives the lifting frame to move, start motor 3, motor 3 drives screw rod 3 to rotate, screw rod 3 drives the movable plate to move, the movable plate drives the moving block to move, so that the device drives the laser generator body to move arbitrarily. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a laser cutting device for circuit boards proposed by the present invention;

[0020] Figure 2 A schematic diagram of the internal structure of a laser cutting device for circuit boards proposed by the present invention;

[0021] Figure 3 A schematic diagram of the partial structure of a laser cutting device for circuit boards proposed by the present invention;

[0022] Figure 4A schematic diagram of the structure of a moving block of a laser cutting device for circuit boards proposed by the present invention;

[0023] Figure 5 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0024] Figure 6 for Figure 2 Enlarged schematic diagram of the structure at point B in the middle.

[0025] In the figure: 1-machine, 2-screw rod 1, 3-lifting slot, 4-shielding belt, 5-motor 1, 6-opening and closing plate, 7-collecting box, 8-screw rod 2, 9-fixed ring, 10-rotating plate, 11-slide, 12-fixed pipe, 13-moving box, 14-pump, 15-connecting pipe, 16-motor 2, 17-fixed column, 18-lifting frame, 19-motor 3, 20-screw rod 3, 21-moving block, 22-air groove, 23-movable plate, 24-laser generator body, 25-opening, 26-lifting plate, 27-motor 4, 28-rotating cylinder, 29-rotating shaft, 30-filter, 31-fan blade, 32-fixed brush, 33-card plate, 34-splint, 35-screw rod 4. DETAILED DESCRIPTION

[0026] Example 1, reference Figure 1-5 A laser cutting device for circuit boards comprises a machine table 1, a slide groove 11 is provided on the bottom inner wall of the machine table 1, a movable box 13 is slidably connected between the two inner walls of the slide groove 11, shielding belts 4 are fixedly connected between the two outer walls of the movable box 13 and the two inner walls of the slide groove, a collecting box 7 is detachably connected to the bottom inner wall of the slide groove 11, one side of the movable box 13 is slidably connected to one inner wall of the collecting box 7, an opening and closing plate 6 aligned with the collecting box 7 is detachably connected between the side inner wall and the outer wall of the slide groove 11, the side of the opening and closing plate 6 is fixedly connected to the side of the collecting box 7, and a handle is fixedly connected to the other side of the opening and closing plate 6.

[0027] In the present invention, a pump 14 is fixedly connected to the bottom of the side of the machine 1, one end of the pump 14 is fixedly connected to a fixed pipe 12, the other end of the fixed pipe 12 extends to the inside of the collection box 7, and the other end of the pump 14 is fixedly connected to a connecting pipe 15.

[0028] One end of the fixed tube 12 is rotatably connected to a rotating cylinder 28, one end of the circumferential side surface of the fixed tube 12 is evenly provided with an annular groove, one end of the circumferential side surface of the fixed tube 12 is evenly provided with an opening aligned with the annular groove, a filter screen 30 is fixedly connected between the two sides of the opening, and a rotating shaft 29 is fixedly connected to the inner wall of the side surface of the rotating cylinder 28, and the other end of the rotating shaft 29 extends to the interior of the fixed tube 12.

[0029] The circumferential side of the rotating shaft 29 is evenly fixedly connected with the fan blades 31 located inside the fixed tube 12, the side of the rotating cylinder 28 is fixedly connected with the rotating plate 10 aligned with the filter 30, and the bottom of the rotating plate 10 is evenly fixedly connected with the fixed brush 32 located outside the fixed tube 12.

[0030] A moving block 21 is provided on the top of the machine 1, and a laser generator body 24 is fixedly connected to the bottom of the moving block 21. An air groove 22 surrounding the laser generator body 24 is provided inside the moving block 21. One end of the connecting tube 15 is fixedly connected to the inner wall of the side of the air groove 22, and openings 25 are evenly provided between the inner wall and the outer wall of the circumferential side of the air groove 22.

[0031] 3. When the present invention is used: place the circuit board at the bottom of the machine 1, move the movable box 13 so that the movable box 13 moves to both sides of the circuit board, start the laser generator body 24 to cut and engrave the circuit board, start the pump 14, and the pump 14 drives the airflow into the movable box 13 through the fixed pipe 12. The airflow drives the solid small particle waste and smoke generated during the cutting and engraving process into the movable box 13 and collects them through the collecting box 7, which is helpful to prevent the waste and smoke generated during the cutting and engraving process from surrounding and adhering to the air near the circuit board, affecting the cleanliness of the processing environment and the health of the operator. The airflow enters the solid after being filtered by the filter 30. The fixed tube 12 drives the fan blades 31 to rotate, the fan blades 31 drive the rotating shaft 29 to rotate, the rotating shaft 29 drives the rotating cylinder 28 to rotate, the rotating cylinder 28 drives the rotating plate 10 to rotate, the rotating plate 10 drives the fixed brush 32 to rotate, the fixed brush 32 cleans the filter 30, which helps to prevent the filter 30 from being blocked, resulting in the device being unable to guide the airflow to carry waste chips and smoke into the mobile box, affecting the stability of the device's operation, the airflow enters the air groove 22 through the connecting pipe 15 and is ejected through the opening 25, so that the airflow sends the debris on the surface of the circuit board and the smoke above the circuit board into the mobile box 13, which is beneficial for the device to further clean the waste chips and smoke in the cutting and engraving process.

[0032] Example 2, reference Figure 1-6 A laser cutting device for circuit boards, including a side inner wall of a slide groove 11 fixedly connected to a motor 16, an output shaft of the motor 16 fixedly connected to a screw rod 8, the other end of the screw rod 8 extends to the side of an opening and closing plate 6, the circumferential side of the screw rod 8 is threadedly connected to the inside of a moving box 13, and a fixing ring 9 surrounding the screw rod 8 is fixedly connected between the inner walls on both sides of the moving box 13.

[0033] In the present invention, lifting grooves 3 are provided on both sides of the machine 1, the bottom of one lifting groove 3 is fixedly connected to a motor 5, the output shaft of the motor 5 is fixedly connected to a screw rod 2, the other end of the screw rod 2 is rotatably connected to the top inner wall of the lifting groove 3, and the top and bottom of the other lifting groove are evenly fixedly connected to at least two fixing columns 17.

[0034] A lifting plate 26 is slidably connected between the two inner walls of the lifting groove 3, the circumferential side surface of the fixed column 17 is slidably connected to the inside of the lifting plate 26, the circumferential side surface of the screw rod 2 is threadedly connected to the inside of the lifting plate 26, and the side surface of the lifting plate 26 is fixedly connected to the lifting frame 18.

[0035] A motor 3 19 is fixedly connected to the inner wall of the side of the lifting frame 18, and a screw rod 3 20 is fixedly connected to the output shaft of the motor 3 19. The other end of the screw rod 3 20 is rotatably connected to the inner wall of the side of the lifting frame 18. A movable plate 23 is threadedly connected to the circumferential side of the screw rod 3 20. One side of the movable plate 23 is slidably connected to an inner wall of one side of the lifting frame 18, and the bottom of the movable plate 23 is fixedly connected to the top of the moving block 21.

[0036] A motor 27 is fixedly connected to an outer wall of the moving box 13, and a screw rod 35 is fixedly connected to the output shaft of the motor 27. The other end of the screw rod 35 is rotatably connected to an inner wall of the moving box 13. The circumferential side of the screw rod 35 is threadedly connected to at least two clamps 34. The top of the clamp 34 is slidably connected to the top inner wall of the moving box 13. A clamping plate 33 is fixedly connected between the two inner walls of the moving box 13.

[0037] When the present invention is used: start motor 2 16, motor 2 16 drives screw rod 2 8 to rotate, screw rod 2 8 drives moving box 13 to move, moving box 13 drives card plate 33 to move, card plate 33 clamps the circuit board, start motor 4 27, motor 4 27 drives screw rod 4 35 to rotate, screw rod 4 35 drives clamp plate 34 to move, so that clamp plate 34 is clamped on both sides of the circuit board, which is beneficial for the device to clamp and fix circuit boards of different sizes and specifications, and prevent the circuit board from moving abnormally during the laser engraving and cutting process, resulting in errors in the laser cutting and engraving position, affecting the processing effect of the device, start motor 1 5, motor 1 5 drives screw rod 1 2 to rotate, screw rod 1 2 drives lifting plate 26 to move, lifting plate 26 drives lifting frame 18 to move, start motor 3 19, motor 3 19 drives screw rod 3 20 to rotate, screw rod 3 20 drives movable plate 23 to move, movable plate 23 drives moving block 21 to move, so that the device drives laser generator body 24 to move arbitrarily.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A laser cutting device for circuit boards, comprising a machine platform (1), characterized in that: The bottom inner wall of the machine (1) is provided with a slide groove (11), a movable box (13) is slidably connected between the two inner walls of the slide groove (11), shielding belts (4) are fixedly connected between the two outer walls of the movable box (13) and the two inner walls of the slide groove, the bottom inner wall of the slide groove (11) is detachably connected with a collection box (7), one side of the movable box (13) is slidably connected to one inner wall of the collection box (7), an opening and closing plate (6) aligned with the collection box (7) is detachably connected between the side inner wall and the outer wall of the slide groove (11), the side of the opening and closing plate (6) is fixedly connected to the side of the collection box (7), and the other side of the opening and closing plate (6) is fixedly connected to the handle.

2. The laser cutting device for circuit boards according to claim 1, characterized in that: A pump (14) is fixedly connected to the bottom of the side of the machine (1), one end of the pump (14) is fixedly connected to a fixed pipe (12), the other end of the fixed pipe (12) extends to the interior of the collection box (7), and the other end of the pump (14) is fixedly connected to a connecting pipe (15).

3. The laser cutting device for circuit boards according to claim 2, characterized in that: One end of the fixed tube (12) is rotatably connected to a rotating cylinder (28); one end of the circumferential side surface of the fixed tube (12) is evenly provided with an annular groove; one end of the circumferential side surface of the fixed tube (12) is evenly provided with an opening aligned with the annular groove; a filter screen (30) is fixedly connected between two surfaces of the opening; a rotating shaft (29) is fixedly connected to the inner wall of the side surface of the rotating cylinder (28); the other end of the rotating shaft (29) extends into the interior of the fixed tube (12).

4. The laser cutting device for circuit boards according to claim 3, characterized in that: The circumferential side surface of the rotating shaft (29) is evenly fixedly connected with a fan blade (31) located inside the fixed tube (12), the side surface of the rotating cylinder (28) is fixedly connected with a rotating plate (10) aligned with the filter screen (30), and the bottom of the rotating plate (10) is evenly fixedly connected with a fixed brush (32) located outside the fixed tube (12).

5. The laser cutting device for circuit boards according to claim 4, characterized in that: A moving block (21) is arranged on the top of the machine (1), a laser generator body (24) is fixedly connected to the bottom of the moving block (21), an air groove (22) surrounding the laser generator body (24) is provided inside the moving block (21), one end of the connecting pipe (15) is fixedly connected to the inner wall of the side of the air groove (22), and openings (25) are evenly provided between the inner wall and the outer wall of the circumferential side of the air groove (22).

6. A laser cutting device for circuit boards according to claim 1 or 2, characterized in that: The inner wall of the side of the slide groove (11) is fixedly connected to the second motor (16), the output shaft of the second motor (16) is fixedly connected to the second screw rod (8), the other end of the second screw rod (8) extends to the side of the opening and closing plate (6), the circumferential side of the second screw rod (8) is threadedly connected to the inside of the moving box (13), and a fixing ring (9) surrounding the second screw rod (8) is fixedly connected between the inner walls on both sides of the moving box (13).

7. The laser cutting device for circuit boards according to claim 6, characterized in that: Both sides of the machine platform (1) are provided with lifting grooves (3); the bottom of one lifting groove (3) is fixedly connected to a motor (5); the output shaft of the motor (5) is fixedly connected to a screw rod (2); the other end of the screw rod (2) is rotatably connected to the top inner wall of the lifting groove (3); and the top and bottom of the other lifting groove are evenly fixedly connected to at least two fixing columns (17).

8. The laser cutting device for circuit boards according to claim 7, characterized in that: A lifting plate (26) is slidably connected between the two inner walls of the lifting groove (3), the circumferential side surface of the fixed column (17) is slidably connected to the inside of the lifting plate (26), the circumferential side surface of the screw rod (2) is threadedly connected to the inside of the lifting plate (26), and the side surface of the lifting plate (26) is fixedly connected to the lifting frame (18).

9. The laser cutting device for circuit boards according to claim 8, characterized in that: The inner wall of the side surface of the lifting frame (18) is fixedly connected to a motor three (19), the output shaft of the motor three (19) is fixedly connected to a screw rod three (20), the other end of the screw rod three (20) is rotatably connected to the inner wall of the side surface of the lifting frame (18), the circumferential side surface of the screw rod three (20) is threadedly connected to a movable plate (23), one side of the movable plate (23) is slidably connected to an inner wall of one side of the lifting frame (18), and the bottom of the movable plate (23) is fixedly connected to the top of the moving block (21).

10. The laser cutting device for circuit boards according to claim 1, characterized in that: A motor four (27) is fixedly connected to an outer wall of the moving box (13); a screw rod four (35) is fixedly connected to an output shaft of the motor four (27); the other end of the screw rod four (35) is rotatably connected to an inner wall of the moving box (13); at least two clamping plates (34) are threadedly connected to the circumferential side surface of the screw rod four (35); the top of the clamping plate (34) is slidably connected to the top inner wall of the moving box (13); and a clamping plate (33) is fixedly connected between the two inner walls of the moving box (13).

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