A laser cutting device for cutting soft board copper foil

Abstract

The invention discloses a laser cutting device for cutting copper foil of a flexible board, and relates to the technical field of copper foil laser cutting, comprising a bracket, the top of the bracket is fixedly connected to a processing table, the rear side of the processing table is fixedly connected to a moving table, the upper part of the moving table is slidably connected to a moving seat, the upper part of the moving seat is fixedly connected to a moving seat support platform, a welding mechanism is arranged at the upper front end of the moving seat support platform, a copper foil fastening structure is arranged directly below the welding mechanism, an exhaust filter mechanism is arranged inside the processing table; the welding mechanism comprises a slide rail, the slide rail is fixedly connected to the top surface of the moving seat support platform, the upper part of the slide rail is slidably connected to a transverse platform seat, the invention avoids harmful substances from affecting the health of workers, and at the same time, the vibration of the piston end shell drives the vibration of the connected smoke filter, thereby preventing the smoke filter from being blocked and affecting the circulation rate.

Description

Technical Field

[0001] The invention relates to the technical field of copper foil laser cutting, in particular to a laser cutting device for cutting copper foil of a flexible board. Background Art

[0002] Laser cutting technology is an advanced processing technology that uses laser beams to cut materials. It has many advantages, such as high precision, ability to cut complex shapes, and applicability to a variety of materials. However, laser cutting also has some problems and challenges. Although laser cutting technology has been widely used in many fields, its existing problems and challenges need to be solved through technical improvements and process optimization.

[0003] The patent with application number CN212885754U discloses a laser cutting device for cutting soft copper foil, including a carrier and a slider, the left and right sides of the lower end surface of the carrier are fixed with brackets, the outer side of the conveyor device is provided with a first fixing frame, a second fixing frame and a third fixing frame, and the second fixing frame is arranged on the left and right sides of the first fixing frame, and the third fixing frame is arranged between the first fixing frame and the second fixing frame on the right side, the slider is slidably connected to the inner top of the first fixing frame, and the bottom of the slider is connected with a laser cutting knife by snapping, the lower side of the inner top of the second fixing frame is connected to the roller through an electric telescopic column, and the lower side of the inner top of the third fixing frame is connected to the jet head group through an electric telescopic column. The laser cutting device for cutting soft copper foil, after placing the soft copper foil on the conveyor device, the conveyor device operates, thereby driving the soft copper foil to move to the right, and the roller rolls accordingly, which is convenient for flattening the soft copper foil, but the patent still has the problem that the harmful substances produced by cutting affect the health of workers, so it is necessary to design a laser cutting device for cutting soft copper foil. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a laser cutting device for cutting copper foil of a flexible board, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: A laser cutting device for cutting copper foil of a flexible board, comprising a bracket, a processing table is fixedly connected to the top of the bracket, a moving table is fixedly connected to the rear side of the processing table, a moving seat is slidably connected to the top of the moving table, a moving seat support table is fixedly connected to the top of the moving seat, a welding mechanism is arranged at the top front end of the moving seat support table, a copper foil fastening structure is arranged directly below the welding mechanism, and an exhaust filter mechanism is arranged inside the processing table;

[0006] The welding mechanism comprises a slide rail, the slide rail is fixedly connected to the top surface of the shifting seat support platform, a traverse platform is slidably connected to the top of the slide rail, a motor fixed seat is fixedly connected to the left side of the traverse platform, a threaded rod is rotatably connected to the inner side of the motor fixed seat, a screw slide is threadedly connected to the outer side of the threaded rod, a laser is fixedly connected to the left top end of the traverse platform, an accordion cover is arranged below the laser, a reflective end shell is arranged at the bottom end of the accordion cover, a T-shaped suspension rod is fixedly connected to the right side of the reflective end shell, an exhaust pipe is fixedly connected to the bottom surface of the reflective end shell, a focusing cutter is fixedly connected to the right side of the screw slide, a protective end shell is fixedly connected to the bottom end of the exhaust pipe, and a laser galvanometer is arranged inside the reflective end shell;

[0007] The interior of the exhaust pipe is provided with an anti-backflow structure, the channel ring is fixedly connected to the inner wall of the exhaust pipe, the inner wall of the channel ring is fixedly connected to a wind tube fixing frame, the middle position of the wind tube fixing frame is fixedly connected to a choke, the upper and lower sides of the choke are fixedly connected to a plurality of tooth blocks, two sliding thin rods slide through the side of the channel ring, the front ends of the two sliding thin rods are fixedly connected to an extension ring, the front end of the extension ring is threadedly connected to a piston end shell, the front middle position of the piston end shell is fixedly connected to a smoke filter, the upper and lower ends of the inner wall of the piston end shell are A vibration plate is fixedly connected, the screw slide is slidably connected to the transverse platform, the reflective end shell is fixedly connected to the screw slide, the exhaust pipe is fixedly connected to the T-shaped suspension rod, the screw slide is L-shaped as a whole, a spring is arranged on the outer side of the sliding thin rod, and the two ends of the spring are respectively fixedly connected to the extension ring and the channel ring, the vibration plate and the tooth block fit each other, and the transverse platform is driven to move left and right by the moving seat support platform on the moving seat, and the transverse platform moves forward and backward along the slide rail to drive the laser connected to the transverse platform to move together, and when the focusing cutter needs to slide downward, the The motor installed on the motor base drives the threaded rod to rotate, so that the screw slide connected to the outside of the threaded rod moves up and down along the transverse platform. When the laser starts working, the light projected by the laser is transmitted into the reflective end shell through the accordion cover, and then the laser galvanometer in the reflective end shell reflects the light to the inside of the focusing cutter, and then the laser is focused by the focusing cutter, and the laser focused by the focusing cutter is used to cut the copper foil. When the exhaust pipe draws away the air inside the protective end shell, the air pressure in the exhaust pipe decreases, which will pull the piston end shell away from the channel ring through the connected extension ring, and the extension ring moves The connected sliding thin rod is driven to pull the outer spring to move the piston end shell away from the choke cylinder. The smoke filter on the side of the piston end shell is connected to the inner side of the protective end shell through the channel ring. The gas sucked in through the protective end shell is discharged from the exhaust pipe along the channel ring and the piston end shell. When the air in the exhaust pipe stops being drawn, the piston end shell begins to reset, and the piston end shell approaches the choke cylinder to prevent the gas in the exhaust pipe from flowing back out of the protective end shell, thereby avoiding harmful substances from affecting the health of the workers. At the same time, when the piston end shell approaches or moves away from the choke cylinder, the vibration plate contacts the tooth block, causing the piston end shell connected to the vibration plate to vibrate.

[0008] The top of the plurality of vertical sliding rods are fixedly connected to the edge of the top surface of the through-hole table, and the top of the plurality of vertical sliding rods are fixedly connected to the pressure frame. The left and right ends of the pressure frame are rotatably connected to a pressure arc strip, and the bottom surface of each pressure arc strip is rotatably connected to a rubber roller. The left and right bottom surfaces of the pressure frame are fixedly connected to rubber pressure strips. A torsion spring is provided on one side of the pressure arc strip, and the two ends of the torsion spring are respectively fixedly connected to the pressure arc strip and the pressure frame. The bottom surface of the pressure arc strip is an arc shape as a whole. When the T-shaped suspension rod moves downward, the T-shaped suspension rod moves downward to contact the top surface of the pressure frame, so that the pressure frame is compressed and drives the connected vertical sliding rods downward. The rubber strip is then pressed against the copper foil to prevent the foil from being stretched too far and then being tugged against by the rubber roller.

[0009] The venting tube of claim 1, wherein the at least one air filter is provided at the bottom of the housing, the at least one air filter being provided at the bottom of the housing, the at least one air filter being provided at the bottom of the housing, and the at least one air filter being provided at the bottom of the housing. Then, the welding slag scattered by the through-hole table when cutting the copper foil is collected into the inside of the stand plate through the small holes on the through-hole table with the flow of air as the copper foil of the through-hole table is removed, and the welding slag slides into the exhaust slot through the inside of the stand plate, and then enters into the ventilation end shell through the upper pipe connected to the exhaust slot. Because the collection connecting pipe draws the air inside the ventilation end shell through the lower pipe, the air on the sealing partition in the ventilation end shell enters the circulation fan sheet, and the circulation fan sheet is turned over with the flow of air, so that the air above the sealing partition enters The inlet fan rotates and connects with the bottom of the sealing partition. The welding slag in the air will be blocked by the particle filter between the particle filter and the fan partition, and fall into the collection tank from the falling port along the particle filter, while the air will enter the lower pipe through the particle filter and be discharged from the collecting connecting pipe. The welding slag on the through-hole table plate is collected into the stand plate by suction through air circulation, and the welding slag in the stand plate enters the ventilation end shell with the air flow, so that the welding slag is separated from the air and collected in the collection tank alone.

[0010] The present invention provides a laser cutting device for cutting flexible copper foil. It has the following beneficial effects:

[0011] The present invention is provided with a slide rail, a traverse platform, a motor fixing seat, a threaded rod, a screw slide, a laser, an accordion cover, a reflective end shell, and an anti-backflow structure. The laser is focused by a focusing cutter, and the laser focused by the focusing cutter is used to cut the copper foil. The piston end shell is close to the wind blocking cylinder to prevent the gas in the exhaust pipe from backflowing out of the protective end shell, thereby avoiding harmful substances from affecting the health of workers. At the same time, the piston end shell connected to the vibration plate is vibrated, and the vibration of the piston end shell drives the connected smoke filter to vibrate, thereby preventing the smoke filter from being blocked and affecting the flow rate.

[0012] The present invention is provided with a stand plate, a through-hole stand plate, an exhaust slot, a separation slot frame, a pressure frame, a vertical slide bar, a rubber roller, a rubber pressure strip, and a pressure arc strip, so that the rubber roller rolls along the surface of the copper foil to prevent the copper foil from being over-stretched and torn, and then the rubber pressure strip presses the copper foil to prevent the copper foil from loosening, and the pressure frame presses the copper foil downward by the movement of the T-shaped suspension rod, and puts the copper foil in a tensioned state to prevent the copper foil in the rolled state from bending into an arc after being unfolded and affecting the cutting effect, and at the same time, the copper foil on the through-hole stand plate is sucked and attached to the surface of the through-hole stand plate by suction, so that the through-hole stand plate is prevented from being deformed by pressure before the pressure frame is pressed down and offset, and the arc-shaped copper foil is prevented from affecting the cutting effect;

[0013] The present invention is provided with an upper through pipe, a ventilation end shell, a lower through pipe, a collecting connecting pipe, a sealing partition, a circulation fan, a fan partition, a particle filter, a falling port, and a collecting trough. Through air circulation, the welding slag on the through-hole table plate is collected into the table plate by suction, and the welding slag in the table plate flows into the ventilation end shell with the air flow, so that the welding slag is separated from the air and the welding slag is collected separately in the collecting trough, so as to prevent the welding slag from remaining on the through-hole table plate to avoid affecting the flatness and cutting effect of the copper foil, and at the same time facilitate the collection of the welding slag. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall front three-dimensional structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the overall rear-view stereoscopic structure of the present invention;

[0016] Figure 3 It is a structural schematic diagram of the overall welding mechanism of the present invention;

[0017] Figure 4 This is a structural schematic diagram of the installation position of the integral laser galvanometer of the present invention;

[0018] Figure 5 It is a structural schematic diagram of the integral copper foil fastening structure of the present invention;

[0019] Figure 6 For the present invention as a whole Figure 5 A is a schematic diagram of the enlarged structure of the middle part;

[0020] Figure 7 It is a structural schematic diagram of the integral exhaust filter mechanism of the present invention;

[0021] Figure 8 For the present invention as a whole Figure 7 A schematic diagram of the enlarged structure of B;

[0022] Fig. 9 For the present invention as a whole Figure 7 Schematic diagram of the enlarged structure of C in the figure.

[0023] In the figure: 1, bracket; 2, processing table; 3, moving table; 4, moving seat; 5, welding mechanism; 51, slide rail; 52, traverse table seat; 53, motor fixed seat; 54, threaded rod; 55, screw slide; 56, laser; 57, accordion cover; 58, reflective end shell; 59, anti-backflow structure; 591, channel ring; 592, wind tube fixed frame; 593, wind choke; 594, tooth block; 595, extension ring; 596, sliding thin rod; 597, piston end shell; 598, smoke filter; 599, vibration plate; 510, focusing cutter; 511, protective end shell; 5 12. Exhaust duct; 513. Laser galvanometer; 514. T-shaped suspension rod; 6. Copper foil fastening structure; 61. Stand plate; 62. Through-hole stand plate; 63. Exhaust slot; 64. Partition slot frame; 65. Pressure frame; 66. Vertical slide bar; 67. Rubber roller; 68. Rubber pressure strip; 69. Pressure arc strip; 7. Exhaust filter mechanism; 71. Upper through pipe; 72. Ventilation end shell; 73. Lower through pipe; 74. Collecting connecting pipe; 75. Sealing partition; 76. Circulation fan; 77. Fan partition; 78. Particle filter; 79. Drop port; 710. Collecting tank; 8. Moving seat support. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] See also Figure 1-9 One embodiment of the present invention is: a laser cutting device for cutting copper foil of a flexible board, comprising a bracket 1, a processing table 2 is fixedly connected to the top of the bracket 1, a moving table 3 is fixedly connected to the rear side of the processing table 2, a moving seat 4 is slidably connected to the top of the moving table 3, a moving seat support 8 is fixedly connected to the top of the moving seat 4, a welding mechanism 5 is arranged at the front end above the moving seat support 8, a copper foil fastening structure 6 is arranged directly below the welding mechanism 5, and an exhaust filter mechanism 7 is arranged inside the processing table 2;

[0026] The welding mechanism 5 comprises a slide rail 51, which is fixedly connected to the top surface of the shifting support platform 8, a traverse platform 52 is slidably connected above the slide rail 51, a motor fixed seat 53 is fixedly connected to the left side of the traverse platform 52, a threaded rod 54 is rotatably connected to the inner side of the motor fixed seat 53, a screw slide 55 is threadedly connected to the outer side of the threaded rod 54, a laser 56 is fixedly connected to the left top of the traverse platform 52, an accordion cover 57 is arranged below the laser 56, a reflective end shell 58 is arranged at the bottom end of the accordion cover 57, a T-shaped suspension rod 514 is fixedly connected to the right side of the reflective end shell 58, an exhaust pipe 512 is fixedly connected to the bottom surface of the reflective end shell 58, a focusing cutter 510 is fixedly connected to the right side of the screw slide 55, a protective end shell 511 is fixedly connected to the bottom end of the exhaust pipe 512, and a laser galvanometer 513 is arranged inside the reflective end shell 58;

[0027] The exhaust pipe 512 is provided with an anti-backflow structure 59 inside, a channel ring 591 is fixedly connected to the inner wall of the exhaust pipe 512, a wind tube fixing frame 592 is fixedly connected to the inner wall of the channel ring 591, a choke 593 is fixedly connected to the middle position of the wind tube fixing frame 592, a plurality of tooth blocks 594 are fixedly connected to the upper and lower sides of the choke 593, two sliding thin rods 596 are slidably penetrated through the side of the channel ring 591, an extension ring 595 is fixedly connected to the front end of the two sliding thin rods 596, a piston end shell 597 is threadedly connected to the front end of the extension ring 595, a smoke filter 598 is fixedly connected to the middle position of the front side of the piston end shell 597, and the piston The inner wall of the end shell 597 is fixedly connected with a vibration plate 599 at both ends, the screw slide 55 is slidably connected to the transverse platform 52, the reflective end shell 58 is fixedly connected to the screw slide 55, the exhaust pipe 512 is fixedly connected to the T-shaped suspension rod 514, the screw slide 55 is L-shaped as a whole, a spring is arranged on the outer side of the sliding thin rod 596, and the two ends of the spring are respectively fixedly connected to the extension ring 595 and the channel ring 591, the vibration plate 599 and the tooth block 594 fit each other, and the transverse platform 52 is driven to move left and right by the moving seat support 8 on the moving seat 4, and the transverse platform 52 moves forward and backward along the slide rail 51 to drive the laser connected to the transverse platform 52 When the focusing cutter 510 needs to slide downward, the motor installed on the motor fixing seat 53 drives the threaded rod 54 to rotate, so that the screw slide 55 connected to the outer side of the threaded rod 54 moves up and down along the transverse platform 52. When the laser 56 starts to work, the light projected by the laser 56 is transmitted into the reflection end shell 58 through the accordion cover 57, and then the laser galvanometer 513 in the reflection end shell 58 reflects the light into the focusing cutter 510, and then the laser is focused by the focusing cutter 510, and the copper foil is cut by the laser focused by the focusing cutter 510. At the same time, the gas sucked in through the protective end shell 511 is blown along the passage The air ring 591 and the piston end shell 597 are discharged from the exhaust pipe 512. When the air in the exhaust pipe 512 stops being extracted, the piston end shell 597 begins to reset, and the piston end shell 597 approaches the choke 593 to prevent the gas in the exhaust pipe 512 from flowing back out from the protective end shell 511, thereby avoiding harmful substances from affecting the health of workers. At the same time, when the piston end shell 597 approaches or moves away from the choke 593, the vibration plate 599 contacts the tooth block 594, causing the piston end shell 597 connected to the vibration plate 599 to vibrate, and the vibration of the piston end shell 597 drives the connected smoke filter 598 to vibrate, thereby preventing the smoke filter 598 from being blocked and affecting the flow rate.

[0028] The copper foil fastening structure 6 includes a stand plate 61, which is fixedly connected to the top surface of the processing table 2. The top of the stand plate 61 is fixedly connected to a through-hole stand plate 62. Two exhaust slots 63 are provided on the inner bottom surface of the stand plate 61. A partition slot frame 64 is fixedly connected to the inner bottom surface of the through-hole stand plate 62. A plurality of vertical sliding rods 66 are slidably connected to the top edge of the top surface of the through-hole stand plate 62. A pressure frame 65 is fixedly connected to the top of the plurality of vertical sliding rods 66. The left and right ends of the pressure frame 65 are rotatably connected to a pressure arc strip 69. The bottom surface of each pressure arc strip 69 is rotatably connected to a rubber roller 67. The left and right ends of the pressure frame 65 are fixedly connected to a rubber pressure strip 68. A torsion spring is provided on one side of the pressure arc strip 69, and the two ends of the torsion spring are respectively fixedly connected to the pressure arc strip 69 and the pressure frame 65. The bottom surface of 69 is generally arc-shaped, so that the rubber roller 67 rolls along the surface of the copper foil to prevent the copper foil from being over-stretched and torn, and then the rubber pressure strip 68 presses the copper foil to prevent it from loosening, and the pressure frame 65 presses the copper foil downward through the movement of the T-shaped suspension rod 514, and keeps the copper foil in a tensioned state to prevent the copper foil in the rolled state from being bent into an arc after being unfolded and affecting the cutting effect. At the same time, the air inside the through-hole table plate 62 and the stand plate 61 is extracted through the exhaust slot 63, so that the air in the stand plate 61 passes through the partition slot frame 64 to make the small holes on the through-hole table plate 62 have suction, and the copper foil on the through-hole table plate 62 is sucked and adhered to the surface of the through-hole table plate 62 through the suction, so as to avoid the through-hole table plate 62 being deformed by pressure before the pressure frame 65 is pressed down and offset, thereby preventing the arc-shaped copper foil from affecting the cutting effect.

[0029] The exhaust filtering mechanism 7 includes an upper through-tube 71, which is fixedly connected to the bottom surface of the exhaust slot 63, and one end of the upper through-tube 71 away from the exhaust slot 63 is fixedly connected to a ventilation end shell 72, and the outer wall of the ventilation end shell 72 is fixedly connected to a lower through-tube 73, and the bottom end side of the lower through-tube 73 is fixedly connected to a collecting connecting pipe 74, and both sides of the inner wall of the ventilation end shell 72 are fixedly connected to sealing partitions 75, and a circulation fan 76 is rotatably connected between the two sealing partitions 75, and a fan partition 77 is fixedly connected in the middle of the circulation fan 76, and a particle filter 78 is fixedly connected to the bottom surface of each sealing partition 75, and a drop port 79 is fixedly connected to the bottom surface of the ventilation end shell 72. A collecting trough 710 is arranged directly below the ventilation end shell 72, and the overall shape of the lower through-tube 73 is U-shaped, and the collecting trough 710 is fixedly connected to the processing table 2, and the ventilation end shell 72 and the upper through-tube 71 are connected to each other. The ventilation end shell 72 is connected with the down pipe 73, and the down pipe 73 is connected with the collecting connecting pipe 74. A supporting net ring is provided on the edge side of the particle filter 78, and the supporting net ring is fixedly connected to the ventilation end shell 72. The welding slag in the air will be blocked by the particle filter 78 between the particle filter 78 and the fan partition 77, and fall into the collecting tank 710 from the falling port 79 along the particle filter 78, and the air will enter the down pipe 73 through the particle filter 78 and be discharged from the collecting connecting pipe 74. Through the air circulation, the welding slag on the through-hole table 62 is collected into the table plate 61 by suction, and the welding slag in the table plate 61 is allowed to flow into the ventilation end shell 72 with the air flow, so that the welding slag is separated from the air, and the welding slag is collected separately in the collecting tank 710, so as to prevent the welding slag from remaining in the through-hole table 62 to avoid affecting the flatness and cutting effect of the copper foil, and at the same time facilitate the collection of the welding slag.

[0030] Working principle: The horizontal movement platform 52 is driven to move left and right by the moving support 8 on the moving seat 4, and the horizontal movement platform 52 moves forward and backward along the slide rail 51, driving the laser 56 connected to the horizontal movement platform 52 to move together. When the focusing cutter 510 needs to slide downward, the motor installed on the motor fixing seat 53 drives the threaded rod 54 to rotate, so that the screw slide 55 connected to the outside of the threaded rod 54 moves up and down along the horizontal movement platform 52. When the laser 56 starts to work, the light projected by the laser 56 is transmitted into the reflection end shell 58 through the accordion cover 57, and then the laser galvanometer 513 in the reflection end shell 58 reflects the light to the inside of the focusing cutter 510, and then the laser is focused by the focusing cutter 510, and then the laser focused by the focusing cutter 510 is used to cut the copper foil. When the exhaust pipe 512 draws away the air inside the protective end shell 511, the air pressure in the exhaust pipe 512 decreases, which will pull the piston end shell 597 away from the passage through the connected extension ring 595. The channel ring 591 and the extension ring 595 move to drive the connected sliding thin rod 596 to pull the outer spring, so that the piston end shell 597 is away from the choke 593, and the smoke filter 598 on the side of the piston end shell 597 is connected with the inner side of the protective end shell 511 through the channel ring 591, and the gas sucked through the protective end shell 511 is discharged from the exhaust pipe 512 along the channel ring 591 and the piston end shell 597. When the air in the exhaust pipe 512 stops being drawn, the piston end shell 597 starts to reset, and the activity The plug end shell 597 is close to the choke 593 to prevent the gas in the exhaust pipe 512 from backflowing out from the protective end shell 511, so as to avoid harmful substances affecting the health of workers. At the same time, when the piston end shell 597 is close to or away from the choke 593, the vibration plate 599 contacts the tooth block 594, so that the piston end shell 597 connected to the vibration plate 599 vibrates, and the vibration of the piston end shell 597 drives the connected smoke filter 598 to vibrate, thereby preventing the smoke filter 598 from being blocked and affecting the flow rate;

[0031] When the T-shaped suspension rod 514 moves downward, the T-shaped suspension rod 514 moves downward to contact the top surface of the pressure frame 65, so that the pressure frame 65 is pressed and drives the connected vertical slide rod 66 to move downward. The vertical slide rod 66 slides with the through-hole table 62 and squeezes the spring to be pressed, so that the pressure frame 65 is close to the top surface of the through-hole table 62 through the bottom rubber pressure strip 68. At this time, the pressure arc strip 69 connected to the pressure frame 65 first contacts the copper foil. As the pressure frame 65 is pressed and approaches the top surface of the through-hole table 62 in sequence, the pressure arc strip 69 pulls the copper foil to be tensioned through the friction force on the bottom side until the rubber roller 67 on the pressure arc strip 69 contacts the copper foil, so that the rubber roller 67 rolls along the surface of the copper foil to prevent the copper foil from being over-stretched and torn. , and then the copper foil is pressed by the rubber pressure strip 68 to prevent the copper foil from loosening, and the pressure frame 65 is pressed downward by the movement of the T-shaped suspension rod 514 to keep the copper foil in a tensioned state to prevent the copper foil in the rolled state from bending into an arc after being unfolded and affecting the cutting effect. At the same time, the air inside the through-hole table 62 and the stand plate 61 is evacuated through the air extraction slot 63, so that the air in the stand plate 61 passes through the separation slot frame 64 to make the small holes on the through-hole table 62 have suction, and the copper foil on the through-hole table 62 is sucked and adhered to the surface of the through-hole table 62 by the suction force, so as to avoid the through-hole table 62 from being deformed and offset due to pressure before the pressure frame 65 is pressed down, and to prevent the arc-shaped copper foil from affecting the cutting effect;

[0032] The welding slag scattered by the through-hole table 62 when cutting the copper foil is collected into the inside of the stand plate 61 through the small holes on the through-hole table 62 with the flow of air as the copper foil of the through-hole table 62 is removed, and the welding slag slides into the exhaust slot 63 through the inside of the stand plate 61, and then enters the inside of the ventilation end shell 72 through the upper through pipe 71 connected to the exhaust slot 63. Because the air inside the ventilation end shell 72 is exhausted by the collecting connecting pipe 74 through the lower through pipe 73, the air on the sealing partition 75 in the ventilation end shell 72 enters the circulation fan 76. As the air flow drives the circulation fan 76 to flip, the air above the sealing partition 75 enters the circulation fan 76 and rotates with the lower part of the sealing partition 75. The welding slag in the air will be blocked by the particle filter 78 between the particle filter 78 and the fan partition 77, and fall into the collecting tank 710 from the falling port 79 along the particle filter 78, and the air will enter the lower pipe 73 through the particle filter 78, and be discharged from the collecting connecting pipe 74. The welding slag on the through-hole table 62 will be collected into the table plate 61 by suction through air circulation, and the welding slag in the table plate 61 will enter the ventilation end shell 72 with the air flow, so that the welding slag is separated from the air, and the welding slag is collected separately in the collecting tank 710, so as to prevent the welding slag from remaining in the through-hole table 62 to avoid affecting the flatness and cutting effect of the copper foil, and at the same time facilitate the collection of the welding slag.

[0033] 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 cutting copper foil of a flexible printed circuit board, comprising a bracket (1), characterized in that: The top of the support (1) is fixedly connected to a processing table (2), the rear side of the processing table (2) is fixedly connected to a moving table (3), the upper part of the moving table (3) is slidably connected to a moving seat (4), the upper part of the moving seat (4) is fixedly connected to a moving seat support platform (8), the upper front end of the moving seat support platform (8) is provided with a welding mechanism (5), a copper foil fastening structure (6) is provided directly below the welding mechanism (5), and an exhaust filter mechanism (7) is provided inside the processing table (2); The welding mechanism (5) comprises a slide rail (51), the slide rail (51) being fixedly connected to the top surface of the shifting support platform (8), a traverse platform (52) being slidably connected to the top of the slide rail (51), a motor mounting seat (53) being fixedly connected to the left side of the traverse platform (52), a threaded rod (54) being rotatably connected to the inner side of the motor mounting seat (53), a screw rod slide (55) being threadably connected to the outer side of the threaded rod (54), a laser (56) being fixedly connected to the left top end of the traverse platform (52), the laser ( 56) is provided with an accordion cover (57), a reflective end shell (58) is provided at the bottom end of the accordion cover (57), a T-shaped suspension rod (514) is fixedly connected to the right side surface of the reflective end shell (58), an exhaust pipe (512) is fixedly connected to the bottom surface of the reflective end shell (58), a focusing cutter (510) is fixedly connected to the right side of the screw slide (55), a protective end shell (511) is fixedly connected to the bottom end of the exhaust pipe (512), and a laser galvanometer (513) is provided inside the reflective end shell (58); The exhaust pipe (512) is provided with an anti-backflow structure (59) inside, comprising a channel ring (591), the channel ring (591) being fixedly connected to the inner wall of the exhaust pipe (512), the inner wall of the channel ring (591) being fixedly connected to a wind tube fixing frame (592), a wind blocking tube (593) being fixedly connected at the middle position of the wind tube fixing frame (592), a plurality of tooth blocks (594) being fixedly connected at the upper and lower sides of the wind blocking tube (593), two sliding thin rods (596) slidingly passing through the side of the channel ring (591), an extension ring (595) being fixedly connected at the front ends of the two sliding thin rods (596), a piston end shell (597) being threadedly connected at the front end of the extension ring (595), a smoke filter (598) being fixedly connected at the middle position of the front side of the piston end shell (597), and a vibration plate (599) being fixedly connected at the upper and lower ends of the inner wall of the piston end shell (597); The screw slide (55) is slidably connected to the transverse platform (52), the reflective end shell (58) is fixedly connected to the screw slide (55), the exhaust pipe (512) is fixedly connected to the T-shaped suspension rod (514), the screw slide (55) is L-shaped as a whole, a spring is provided on the outer side of the sliding thin rod (596), and the two ends of the spring are respectively fixedly connected to the extension ring (595) and the channel ring (591), and the vibration plate (599) and the tooth block (594) are in contact with each other; The copper foil fastening structure (6) comprises a stand plate (61), wherein the stand plate (61) is fixedly connected to the top surface of the processing table (2), the top of the stand plate (61) is fixedly connected to a through-hole stand plate (62), the inner bottom surface of the stand plate (61) is provided with two exhaust slots (63), the inner bottom surface of the through-hole stand plate (62) is fixedly connected to a separation slot frame (64), the top edge of the through-hole stand plate (62) is slidably connected to a plurality of vertical sliding rods (66), the tops of the plurality of vertical sliding rods (66) are fixedly connected to a pressure frame (65), the left and right ends of the pressure frame (65) are both rotatably connected to a pressure arc strip (69), the bottom surface of each of the pressure arc strips (69) is rotatably connected to a rubber roller (67), and the left and right bottom surfaces of the pressure frame (65) are both fixedly connected to a rubber pressure strip (68); A torsion spring is provided on one side of the pressure arc strip (69), and two ends of the torsion spring are respectively fixedly connected to the pressure arc strip (69) and the pressure frame (65), and the bottom surface of the pressure arc strip (69) is arc-shaped as a whole.

2. The laser cutting device for cutting flexible copper foil according to claim 1, characterized in that: The exhaust filter mechanism (7) comprises an upper through pipe (71), the upper through pipe (71) being fixedly connected to the bottom surface of the exhaust slot (63), one end of the upper through pipe (71) away from the exhaust slot (63) being fixedly connected to a ventilation end shell (72), the outer wall of the ventilation end shell (72) being fixedly connected to a lower through pipe (73), the bottom end side surface of the lower through pipe (73) being fixedly connected to a collecting connecting pipe (74), both sides of the inner wall of the ventilation end shell (72) being fixedly connected to sealing baffles (75), a circulation fan (76) being rotatably connected between the two sealing baffles (75), a fan baffle (77) being fixedly connected in the middle of the circulation fan (76), the bottom surface of each sealing baffle (75) being fixedly connected to a particle filter (78), the bottom surface of the ventilation end shell (72) being fixedly connected to a drop port (79), and a collecting trough (710) being arranged directly below the ventilation end shell (72).

3. The laser cutting device for cutting the copper foil of a flexible board according to claim 2, characterized in that: The overall shape of the lower through pipe (73) is U-shaped, the collecting tank (710) is fixedly connected to the processing table (2), the ventilation end shell (72) and the upper through pipe (71) are communicated with each other, and the ventilation end shell (72) and the lower through pipe (73) are communicated with each other.

4. The laser cutting device for cutting the copper foil of a flexible printed circuit board according to claim 3, characterized in that: The down pipe (73) and the collecting connecting pipe (74) are in communication with each other, and a net-supporting ring is provided on the edge side of the particle filter (78), and the net-supporting ring is fixedly connected to the ventilation end shell (72).

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