Circuit board slitting device

Abstract

The utility model relates to the field of circuit board production devices, in particular to a circuit board slitting device which comprises a rack, rotating shafts are symmetrically arranged on the two sides of the rack, conveying wheels are fixed to the two ends of each rotating shaft, one rotating shaft is driven by a conveying motor to rotate, and the conveying wheels at the corresponding positions of the two rotating shafts are wound through a conveying rope; a plurality of lifting air cylinders are further fixed to the machine frame, the tail ends of piston rods of the lifting air cylinders are all fixed to a mounting plate, a rotating motor is fixed to the mounting plate, a supporting plate is fixed to the output end of the rotating motor, a screw and a sliding rod are further arranged on the portion, above the supporting plate, of the machine frame, and the screw is driven by a positioning motor to rotate. A sliding table in threaded connection with the screw rod is arranged on the screw rod, the sliding rod penetrates through the sliding table and is in sliding connection with the sliding table, and a lead screw and a supporting rod are arranged on the sliding table. According to the device, a plurality of circuit boards with specified sizes can be obtained at one time.

Description

Technical Field

[0001] This invention relates to the field of circuit board manufacturing equipment, and more particularly to a circuit board slitting device. Background Technology

[0002] A circuit board, also known as a printed circuit board (PCB), is a board with printed conductors. Its main function is to reduce the space occupied by these conductors and organize them in a clear layout, making circuits more miniaturized and intuitive. This plays a crucial role in the mass production of fixed circuits and the optimization of electrical appliance layout. The production process of a PCB involves printing, drilling, copper plating, solder paste application, surface mounting, and thermoforming. Because different sizes of PCBs are required for various applications, they need to be cut to meet different user needs.

[0003] Patent application number CN201920852451.6 discloses a circuit board cutting machine, including a base, a vertical side plate located on one side of the base, and a cutting device located on the top of the side plate. The base has a cavity, and a hydraulic cylinder is installed in the cavity. The telescopic end of the top of the hydraulic cylinder extends vertically out of the cavity and the base and is connected to a horizontal support block. The support block has an internal groove on each side, and a horizontal lead screw is installed in the internal groove. One end of the lead screw is rotatably connected to a bearing seat located on the inner wall of the internal groove, and the other end extends out of the support block and is connected to a handle. A sliding block is threadedly connected to the lead screw, and the bottom of the sliding block has a threaded hole for the lead screw to pass through. The bottom end of the sliding block extends out of the support block and is connected to a support plate. The support plate has a clamping plate one and a clamping plate two located below the clamping plate one on the side near the cutting device. A pressure plate is provided between the clamping plate one and the clamping plate two. A telescopic column with its top vertically passing through the clamping plate one is provided on the pressure plate. Springs are located on both sides of the telescopic column between the pressure plate and the clamping plate one. A pull ring is provided at the top of the telescopic column. First, manually pull the pull ring upwards to move the telescopic column upwards, causing the spring to compress and the pressure plate to move upwards. Then, place one end of the circuit board to be cut between the second clamping plate and the pressure plate on one side. Turn the handle on the other side to rotate the lead screw. Since the sliding block and the lead screw are connected by a threaded rotation, the sliding block is pushed towards the cutting device. When both ends of the circuit board to be cut have moved between the pressure plate and the second clamping plate, release the pull ring, and the spring will return to its original position, thus allowing the pressure plate to clamp and fix the circuit board. Then, by turning the handles on both sides simultaneously, the cutting position of the board to be cut can be adjusted. Finally, the hydraulic cylinder and the cutting device are started. The telescopic end at the top moves the support block and the circuit board to be tested upwards, allowing the cutting disc to cut the circuit board to be tested. However, this type of cutting device can only cut the circuit board once at a time and cannot cut a large circuit board into multiple smaller pieces at once.

[0004] This invention was developed to address the shortcomings of existing technologies. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the prior art and provide a circuit board slitting device.

[0006] This invention can be achieved through the following technical solutions:

[0007] This invention discloses a circuit board slitting device, comprising a frame with symmetrically arranged rotating shafts on both sides. Each rotating shaft has a conveyor wheel fixed at both ends. One rotating shaft is driven to rotate by a conveyor motor. The conveyor wheels at corresponding positions on the two rotating shafts are connected by a conveyor rope. Multiple lifting cylinders are also fixed to the frame. The piston rod ends of each lifting cylinder are fixed to a mounting plate. A rotating motor is fixed to the mounting plate, and a support plate is fixed to the output end of the rotating motor. A screw and a slide rod are also arranged on the frame above the support plate. The screw is driven to rotate by a positioning motor. A slide table threadedly connected to the screw is arranged on the screw. The slide rod passes through the slide table and is slidably connected to it. A lead screw and a support rod are arranged on the slide table. The lead screw is driven to rotate by a limit motor. A slider threadedly connected to the lead screw is arranged on the lead screw. The support rod passes through the slider and is slidably connected to it. A cutting motor is fixed to the slider, and a cutting wheel is fixed to the output end of the cutting motor. The circuit board to be cut is transported forward by conveyor ropes. Each end of the circuit board is attached to one of the two conveyor ropes. A conveyor motor drives a conveyor wheel to rotate. As the conveyor wheel rotates, the conveyor ropes rotate, and the circuit board moves forward with the conveyor ropes. Once the circuit board reaches the designated position, a lifting cylinder is activated, extending the piston rod and raising the support plate. The support plate contacts the circuit board and lifts it up. After the circuit board reaches the designated position, a limit motor drives a lead screw to rotate. As the lead screw rotates, the slider moves in the direction of the lead screw. The high-speed rotating cutting wheel contacts the circuit board and cuts it. The cutting wheel moves from one end of the circuit board to the other, cutting the circuit board. After one cycle, the positioning motor drives the screw to rotate. When the screw rotates, the slide moves in the direction of the screw. After the cutting wheel moves a certain distance, it moves from the circuit board to the other end of the circuit board again. This cycle repeats, and after the circuit board is cut horizontally multiple times, the rotary motor drives the support plate to rotate 90 degrees, and the rotated circuit board is cut multiple times again. After the circuit board is cut vertically multiple times, it is divided into multiple smaller circuit boards of a specified size. This device can cut large circuit boards, and after cutting the circuit board horizontally multiple times, it rotates the circuit board 90 degrees, and then cuts the circuit board vertically multiple times, thus obtaining multiple circuit boards of a specified size in one operation.

[0008] Preferably, a baffle cylinder is fixed on the frame on one side of the support plate, and a baffle is fixed to the end of the piston rod of the baffle cylinder. When the circuit board moves with the conveyor rope, the baffle cylinder is activated, the piston rod on the baffle cylinder extends, the baffle rises, the baffle reaches the designated position, and the circuit board is blocked by the baffle and then lifted by the support plate.

[0009] Preferably, the upper surface of the support plate is further provided with multiple clearance grooves. The bottom of the cutting wheel moves within the clearance grooves to ensure that the circuit board is cut.

[0010] Preferably, the support plate is also evenly provided with a plurality of suction holes, each of which is connected to a vacuum pump. After the support plate comes into contact with the circuit board, the vacuum pump draws a vacuum at the suction hole positions, creating a negative pressure at the support plate position, and the circuit board is firmly fixed to the support plate.

[0011] Preferably, the slide table is also fixed with multiple limiting cylinders, the piston rod ends of which are fixed to the pressure plate. The pressure plate is provided with a cutting groove for use with the cutting wheel. When the circuit board is cut, the limiting cylinders are activated, the piston rods on the limiting cylinders extend, the pressure plate descends, and after the pressure plate presses down on the circuit board, the cutting wheel moves from one end of the cutting groove to the other end to cut the circuit board.

[0012] Preferably, a receiving cylinder is also fixed on the frame on one side of the support plate, and a push plate is fixed to the end of the piston rod of the receiving cylinder. After the circuit board is cut, the lifting cylinder is activated, the support plate descends, and after the support plate reaches the push plate side, the receiving cylinder is activated, the piston rod on the receiving cylinder extends, the push plate moves, and the push plate pushes the circuit board cut on the support plate away from the support plate.

[0013] Compared with existing technologies, the present invention has the following advantages:

[0014] This device can cut large circuit boards, and after cutting the circuit board horizontally multiple times, rotate the circuit board 90 degrees, and then cut the circuit board vertically multiple times, so that multiple circuit boards of a specified size can be obtained at once. Attached Figure Description

[0015] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings, wherein:

[0016] Figure 1 This is a schematic diagram of the structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of the present invention from another angle;

[0018] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0019] In the diagram: 1. Frame; 2. Rotating shaft; 3. Conveyor wheel; 4. Conveyor rope; 5. Conveyor motor; 6. Baffle; 7. Material blocking cylinder; 8. Lifting cylinder; 9. Mounting plate; 10. Rotary motor; 11. Support plate; 12. Clearance groove; 13. Suction hole; 14. Slide rod; 15. Slide table; 16. Screw; 17. Positioning motor; 18. Lead screw; 19. Support rod; 20. Limit motor; 21. Slider; 22. Cutting motor; 23. Cutting wheel; 24. Limit cylinder; 25. Pressure plate; 26. Cutting groove; 27. Material receiving cylinder; 28. Push plate; Detailed Implementation

[0020] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings:

[0021] Example 1:

[0022] like Figures 1 to 3As shown, this embodiment discloses a circuit board slitting device, including a frame 1. Rotating shafts 2 are symmetrically arranged on both sides of the frame 1, and conveyor wheels 3 are fixed at both ends of each rotating shaft 2. One rotating shaft 2 is driven to rotate by a conveyor motor 5. The conveyor wheels 3 at corresponding positions on the two rotating shafts 2 are connected by conveyor ropes 4. Multiple lifting cylinders 8 are also fixed on the frame 1. The piston rod ends of the lifting cylinders 8 are all fixed to a mounting plate 9. A rotating motor 10 is fixed on the mounting plate 9, and a support plate 11 is fixed to the output end of the rotating motor 10. A support plate 11 is also provided on the frame 1 above the support plate 11. There is a screw 16 and a slide rod 14. The screw 16 is driven to rotate by a positioning motor 17. A slide table 15 is provided on the screw 16 and is threadedly connected to the screw 16. The slide rod 14 passes through the slide table 15 and is slidably connected to the slide table 15. A lead screw 18 and a support rod 19 are provided on the slide table 15. The lead screw 18 is driven to rotate by a limit motor 20. A slider 21 is provided on the lead screw 18 and is threadedly connected to the lead screw 18. The support rod 19 passes through the slider 21 and is slidably connected to the slider 21. A cutting motor 22 is fixed on the slider 21. A cutting wheel 23 is fixed at the output end of the cutting motor 22. The circuit board to be cut is transported forward by conveyor rope 4. Both ends of the circuit board are on two separate conveyor ropes 4. A conveyor motor 5 drives the conveyor wheel 3 to rotate. As the conveyor wheel 3 rotates, the conveyor rope 4 rotates, and the circuit board moves forward with the conveyor rope 4. After the circuit board reaches the designated position, the lifting cylinder 8 is activated, the piston rod on the lifting cylinder 8 extends, and the support plate 11 rises. After the support plate 11 contacts the circuit board, it supports the circuit board and rises. After the circuit board reaches the designated position, the limit motor 20 drives the lead screw 18 to rotate. When the lead screw 18 rotates, the slider 21 moves in the direction of the lead screw 18. The high-speed rotating cutting wheel 23 contacts the circuit board and cuts it. The cutting wheel 23 moves from one end of the circuit board to the other end, cutting the circuit board. After the circuit board is cut once, the positioning motor 17 drives the screw 16 to rotate. When the screw 16 rotates, the slide table 15 moves in the direction of the screw 16. After the cutting wheel 23 moves a certain distance, it moves from the circuit board to the other end of the circuit board again. The cycle is repeated. After the circuit board is cut horizontally multiple times, the rotary motor 10 drives the support plate 11 to rotate 90 degrees. The rotated circuit board is cut multiple times again. After the circuit board is cut vertically multiple times, it is cut into multiple small circuit boards of a specified size. This device can cut large circuit boards and, after cutting the circuit board horizontally multiple times, rotate the circuit board 90 degrees and then cut the circuit board vertically multiple times, so that multiple circuit boards of a specified size can be obtained in one operation.

[0023] A material-blocking cylinder 7 is fixed on the frame 1 on one side of the support plate 11, and a baffle 6 is fixed to the end of the piston rod of the material-blocking cylinder 7. When the circuit board moves with the conveyor rope 4, the material-blocking cylinder 7 is activated, the piston rod on the material-blocking cylinder 7 extends, the baffle 6 rises, the baffle 6 reaches the designated position, and the circuit board is blocked by the baffle 6 and then lifted by the support plate 11.

[0024] The support plate 11 also has multiple clearance grooves 12 on its upper surface. The bottom of the cutting wheel 23 moves in the clearance grooves 12 to ensure that the circuit board is cut.

[0025] The support plate 11 is also evenly provided with a plurality of suction holes 13, all of which are connected to a vacuum pump. After the support plate 11 comes into contact with the circuit board, the vacuum pump draws a vacuum at the suction holes 13, creating a negative pressure at the support plate 11, and the circuit board is firmly fixed on the support plate 11.

[0026] A receiving cylinder 27 is fixed on the frame 1 on one side of the support plate 11, and a push plate 28 is fixed to the end of the piston rod of the receiving cylinder 27. After the circuit board is cut, the lifting cylinder 8 is activated, the support plate 11 is lowered, and after the support plate 11 reaches the side of the push plate 28, the receiving cylinder 27 is activated, the piston rod on the receiving cylinder 27 is extended, the push plate 28 moves, and the push plate 28 pushes the cut circuit board off the support plate 11.

[0027] Example 2:

[0028] This embodiment discloses a circuit board slitting device. Based on the structure and principle of Embodiment 1, this embodiment further includes multiple limiting cylinders 24 fixed on the slide table 15. The piston rod ends of each limiting cylinder 24 are fixed to a pressure plate 25, which has a cutting groove 26 that works in conjunction with the cutting wheel 23. During circuit board slitting, the limiting cylinders 24 are activated, the piston rods on the limiting cylinders 24 extend, the pressure plate 25 descends, and after the pressure plate 25 presses down on the circuit board, the cutting wheel 23 moves from one end of the cutting groove 26 to the other end to cut the circuit board.

[0029] The above are merely preferred embodiments of the present invention. It should be noted that, for those skilled in the art, various changes, modifications, substitutions and variations can be made to these embodiments without departing from the technical principles of the present invention. These changes, modifications, substitutions and variations should also be considered within the scope of protection of the present invention.

Claims

1. A circuit board slitting device, characterized in that, The device includes a frame with symmetrically arranged rotating shafts on both sides. Each rotating shaft has a conveyor wheel fixed at both ends. One rotating shaft is driven by a conveyor motor. The conveyor wheels at corresponding positions on the two rotating shafts are connected by a conveyor rope. Multiple lifting cylinders are also fixed to the frame. The piston rods of the lifting cylinders are fixed to a mounting plate. A rotating motor is fixed to the mounting plate, and a support plate is fixed to the output end of the rotating motor. A screw and a slide rod are also provided on the frame above the support plate. The screw is driven by a positioning motor and has a slide table threadedly connected to it. The slide rod passes through the slide table and is slidably connected to it. A lead screw and a support rod are provided on the slide table. The lead screw is driven by a limit motor and has a slider threadedly connected to it. The support rod passes through the slider and is slidably connected to it. A cutting motor is fixed to the slider, and a cutting wheel is fixed to the output end of the cutting motor.

2. The circuit board slitting device according to claim 1, characterized in that, A material-blocking cylinder is fixed on the frame on one side of the support plate, and a baffle is fixed to the end of the piston rod of the material-blocking cylinder.

3. The circuit board slitting device according to claim 1, characterized in that, The upper surface of the support plate is also provided with multiple clearance grooves.

4. The circuit board slitting device according to claim 1, characterized in that, The support plate is also evenly provided with multiple suction holes, all of which are connected to the vacuum pump.

5. The circuit board slitting device according to claim 1, characterized in that, Multiple limiting cylinders are also fixed on the slide, and the piston rod ends of the limiting cylinders are all fixed to the pressure plate. The pressure plate is provided with a cutting groove that works with the cutting wheel.

6. The circuit board slitting device according to claim 1, characterized in that, A receiving cylinder is also fixed on the frame on one side of the support plate, and a push plate is fixed to the end of the piston rod of the receiving cylinder.

Images