Laser cutting device and cutting method for sound insulation carpet for electric vehicle

Abstract

The invention belongs to the technical field of laser cutting, and particularly relates to a laser cutting device and method for a sound insulation carpet for an electric automobile. The laser cutting device comprises a main body, a dust collection mechanism is arranged in the middle of the main body, a clamping mechanism is arranged at the position, above the dust collection mechanism, of the main body, and a film removing mechanism is arranged at the position, outside the clamping mechanism, above the main body; a laser cutting mechanism is arranged on the outer side of the film removing mechanism above the main body, a film pressing mechanism is arranged on the left side of the dust collection mechanism above the main body, a U-shaped metal detector is fixedly connected between the film pressing mechanism and the dust collection mechanism above the main body, and the U-shaped metal detector is arranged on the outer side of the clamping mechanism. The carpet surface coating device has the beneficial effects that a carpet surface coating film is in a tensioning state due to the tension of the clamping assembly and the pressing roller, and cutting errors caused by uneven carpet surfaces are avoided; and the compression roller ascends until the film is only attached to the surface of the carpet and does not extrude the carpet to generate deformation, so that the internal structure of the carpet is not damaged, and the sound insulation effect of the carpet is guaranteed.

Description

Technical Field

[0001] The present invention belongs to the technical field of laser cutting, and particularly relates to a laser cutting device and a cutting method for a sound insulation carpet for electric vehicles. Background Art

[0002] An automotive sound insulation carpet is an important automotive interior component. It can not only improve the comfort and aesthetics inside the vehicle, but also effectively reduce the noise inside the vehicle, providing a quieter driving and riding environment for drivers and passengers. Automotive sound insulation carpets usually adopt a multi-layer composite structure, including a sound absorption layer and a sound insulation layer. The sound absorption layer can absorb the reflected sound waves inside the vehicle and reduce the reverberation of noise; the sound insulation layer can effectively block the external noise from entering the vehicle.

[0003] When processing automotive sound insulation carpets, laser cutting is required. The existing laser cutting devices for sound insulation carpets are prone to cutting errors due to the uneven surface of the carpet, and the heat generated during cutting will damage the internal structure of the sound insulation carpet, thereby reducing the sound insulation effect. At the same time, a large amount of debris is generated during carpet cutting, seriously affecting the health of workers and increasing the cleaning difficulty. Summary of the Invention

[0004] The present invention addresses the above problems and provides a laser cutting device and a cutting method for a sound insulation carpet for electric vehicles.

[0005] The present invention relates to a laser cutting device for a sound insulation carpet for electric vehicles, including a main body. A dust suction mechanism is provided in the middle of the main body. A clamping mechanism is provided above the dust suction mechanism of the main body. A film removing mechanism is provided outside the clamping mechanism above the main body. A laser cutting mechanism is provided outside the film removing mechanism above the main body. A film pressing mechanism is provided on the left side of the dust suction mechanism above the main body. A U-shaped metal detector is fixedly connected between the film pressing mechanism and the dust suction mechanism above the main body, and the U-shaped metal detector is provided outside the clamping mechanism.

[0006] Preferably, the laser cutting mechanism includes a third moving component. The third moving component includes two sliding grooves five. The two sliding grooves five are respectively opened on the front and rear sides of the main body. A fourth lead screw is rotatably connected in each of the two sliding grooves five. The right end of one of the fourth lead screws passes through the main body and is fixedly connected to a fifth motor. The fifth motor is fixedly connected to the main body. A second transmission groove is opened inside the main body on the side close to the fifth motor between the two fourth lead screws. The two fourth lead screws are driven by a second chain in the second transmission groove. A sliding plate is threadedly connected to each of the two fourth lead screws, and a first lifting component is provided on the two sliding plates.

[0007] Preferably, the dust suction mechanism includes a suction cavity which is formed inside the main body. A dust collecting plate is detachably connected inside the suction cavity, and a dust suction plate is detachably connected above the suction cavity. A plurality of dust inlets are formed in the dust suction plate. An air outlet is communicated below the suction cavity, and an air extractor is externally connected to the air outlet.

[0008] Preferably, the clamping mechanism includes a clamping assembly. The clamping assembly includes a rectangular block. A support plate is fixedly connected to the top of the rectangular block. Two linear expansion devices I are fixedly connected above the support plate. The push rods of the two linear expansion devices I pass through and are slidably connected to the support plate. A clamping plate I is fixedly connected below the push rods of the two linear expansion devices I. A clamping plate II is fixedly connected below the left side of the rectangular block. A moving assembly I is fixedly connected to the bottom of the rectangular block. The moving assembly I includes a sliding groove I and a sliding groove II which are respectively formed above the main body on the front and rear sides of the dust suction plate. A sliding rod is fixedly connected inside the sliding groove I, and a lead screw I is rotatably connected inside the sliding groove II. A slider I is slidably connected to the sliding rod, and slider II are threadedly connected to the lead screw I. The tops of the slider I and the slider II are respectively fixedly connected to both sides of the bottom of the rectangular block. The end of the lead screw I passes through the sliding groove II and is sleeved with a bevel gear I. The bevel gear I is drivingly connected to a bevel gear II. The bevel gear II is fixedly connected to a motor I, and the motor I is fixedly connected to the side of the main body.

[0009] Preferably, the film removing mechanism includes two linear expansion devices II. A moving assembly II is arranged below the two linear expansion devices II. Connecting blocks are fixedly connected above the two linear expansion devices II. A winding assembly is fixedly connected between the two connecting blocks. A film cutting assembly is arranged inside the winding assembly. The moving assembly II includes a sliding groove III and a sliding groove IV which are respectively formed above the main body on the front side of the sliding groove I and the rear side of the sliding groove II. A transmission groove I is arranged on the right side of the sliding groove III and the sliding groove IV. A lead screw II and a lead screw III are respectively rotatably connected inside the sliding groove III and the sliding groove IV. The right ends of the lead screw II and the lead screw III pass through the sliding groove III and the sliding groove IV and are respectively rotatably connected to the front and rear sides inside the transmission groove I. The lead screw II and the lead screw III are drivingly connected by a chain I inside the transmission groove I. The left end of the lead screw II passes through the main body and is fixedly connected to a motor II, and the motor II is fixedly connected to the side of the main body. Slider III are threadedly connected to the lead screw II and the lead screw III. The two slider III are respectively fixedly connected below the two linear expansion devices II.

[0010] Preferably, the winding assembly includes a cylinder, a waste film groove is provided just below the cylinder and is opened above the main body, a plurality of rubber suction cups are fixedly connected to the outer wall of the cylinder, a rotating rod 1 is fixedly connected to the rear side of the cylinder, and the rotating rod 1 is rotatably connected to the connecting block on the side away from the cylinder, and an internal gear is fixedly connected to the front side of the cylinder, and the internal gear is internally transmission-connected with three external gears, and a triangular connecting plate is provided on the side of the three external gears away from the cylinder, and the three external gears are rotatably connected to the three corners of the triangular connecting plate respectively, and a connecting rod passes through the side of the triangular connecting plate away from the three external gears, and one end of the connecting rod away from the triangular connecting plate passes through the connecting block and is fixedly connected to a motor 3, a large gear is installed on the end of the connecting rod, and the three external gears are all meshed with the large gear, the triangular connecting plate is fixedly connected to the connecting block through a support rod, and the motor 3 is fixed to the side of the connecting block away from the connecting rod.

[0011] Preferably, the film cutting assembly comprises a circular turntable, which is rotatably connected to the middle position in the cylinder, and a rotating rod 2 is fixedly connected to the center position of the circular turntable away from the inner gear, and the rotating rod 2 passes through the bottom surface of the cylinder, the inside of the rotating rod 1 and the connecting block in sequence and is fixedly connected to a motor 4, and the rotating rod 2 is rotatably connected to the bottom surface of the cylinder, the inside of the rotating rod 1 and the connecting block, and the motor 4 is fixedly connected to the side of the connecting block away from the cylinder; A lifting ring is provided on the side of the circular turntable away from the rotating rod 2, and a cylindrical limiting structure is provided on one side of the lifting ring and fixedly connected to the circular turntable. A lifting rod is fixedly connected above the lifting ring, and one end of the lifting rod away from the lifting ring passes through and is slidably connected to the cylinder body, and one end of the lifting rod away from the lifting ring is fixedly connected to a film cutting knife.

[0012] Preferably, the lifting assembly 1 includes two rotating rods 3, the two rotating rods 3 respectively pass through and are rotatably connected to the two sliding plates, the two rotating rods 3 are fixedly connected with annular limiting structures on the upper and lower sides of the sliding plates, the upper parts of the two rotating rods 3 are provided with threads and are threadedly connected with a U-shaped frame, a sliding groove 6 is provided below the cross bar of the U-shaped frame, a screw rod 5 is rotatably connected in the sliding groove 6, one end of the screw rod 5 passes through the U-shaped frame and is fixedly connected with a motor 6, the motor 6 is fixedly connected to the side of the U-shaped frame, a slider 4 is threadedly connected to the screw rod 5, and a laser emitter is fixedly connected below the slider 4; Below each of the two rotating rods three, there is a fixedly connected gear disk. Below the two sliding plates, there is a fixedly connected U-shaped support plate with an upward opening. On one side of the U-shaped support plate, there is an L-shaped support plate fixedly connected. The side of the short board of the L-shaped support plate is fixedly connected to the L-shaped support plate. One of the rotating rods three passes through and is rotatably connected to the short board of the L-shaped support plate. On the side of the long board of the L-shaped support plate, there is a motor seven fixedly connected. The output shaft of the motor seven passes through the long board of the L-shaped support plate and is fixedly connected to a transmission rod one. On the transmission rod one, there is a rotatably connected fixing plate one. The fixing plate one is fixedly connected to the bottom of the U-shaped support plate. On both ends of the transmission rod one, there are respectively sleeved bevel gears three. The two bevel gears three are respectively in transmission connection with the two gear disks.

[0013] Preferably, the film pressing mechanism includes a rotating roller rotatably connected inside the main body on the left side of the U-shaped metal detector. Above the rotating roller, there is a pressing roller. Inside the pressing roller, there is a pressure sensor. On the surface of the pressure sensor, there are fixedly connected a plurality of pressure sensing structures. All the plurality of pressure sensing structures pass through the pressing roller. Outside the plurality of pressure sensing structures of the pressing roller, there is a film roll; on the front and rear sides of the pressing roller, there are lifting components two; The lifting component two includes two rotating rods four respectively fixedly connected to the front and rear sides of the pressing roller. On the side of each of the two rotating rods four away from the pressing roller, there is a rotatably connected lifting plate. On the side of one of the lifting plates away from the pressing roller, there is a motor eight fixedly connected. The output shaft of the motor eight passes through the lifting plate and is fixedly connected to the rotating rod four. On both of the two lifting plates, there is a slidably connected sliding ring. On the side of the bottom of each of the two sliding rings close to the rotating roller, there is a fixedly connected part above the main body. Below both of the two lifting plates, there is a fixedly connected rectangular frame. Inside each of the two rectangular frames, there is a rotatably connected lifting circular plate. The lower edges of the two lifting circular plates extend beyond the bottom surface of the main body. Below the main body between the two lifting circular plates, there is a fixedly connected transmission rod two. In the middle of the transmission rod two, there is a sleeved bevel gear four. The bevel gear four is in transmission connection with a bevel gear five. The bevel gear five is fixedly connected to a motor nine. The motor nine is fixedly connected to the bottom surface of the main body. On both sides of the bevel gear four on the transmission rod two, there are respectively rotatably connected fixing plates two. Both of the two fixing plates two are fixedly connected to the bottom surface of the main body.

[0014] The present invention also relates to a cutting method for a sound-insulating carpet for an electric vehicle, using the laser cutting device for the sound-insulating carpet for an electric vehicle, including the following steps: (1) Before use, the pressing roller is in a raised state, and the distance between the rotating roller and the pressing roller is the largest; the clamping component is at the leftmost position close to the film pressing mechanism, and the clamping plate one is in a raised state; the laser emitter is in a raised state and is located at the frontmost or rearmost side; the winding component is at the rightmost side and is in a raised state; (2) Film pressing: Place the carpet between the rotating roller and the pressing roller. The second lifting component drives the pressing roller to attach the film to the carpet. The rotation of the pressing roller drives the carpet and the film to move to the clamping component. The pressing roller rises through the second lifting component until the film only adheres to the surface of the carpet without squeezing the carpet to cause deformation. The clamping component drives the carpet and the film to move to the right through the first moving component, and the carpet and the film are spread on the dust suction plate; (3) Cutting: The third moving component drives the first lifting component to move to the carpet cutting position. The first lifting component drives the laser emitter to the optimal cutting height. At the same time, start the dust suction mechanism. The laser emitter moves from the front side to the rear side, or the laser emitter moves from the rear side to the front and rear sides to complete the cutting of the carpet. Then the first lifting component drives the laser emitter to rise to the highest state; (4) Film removal: The second moving component drives the winding component to move to the edge of the carpet cutting position to the right. After the winding component winds and collects the film, it then moves to above the waste film tank through the second moving component. The film cutting component cuts the wound film, and the cut film drops into the waste film tank.

[0015] Compared with the prior art, the advantages and positive effects of the present invention are as follows: (1) Before laser cutting the sound insulation carpet for electric vehicles, a protective film is covered on its surface, and the film is in a tensioned state due to the pulling force of the clamping component and the pressing roller, which can avoid cutting errors caused by the uneven surface of the carpet; (2) After the clamping component clamps the carpet and the film, the pressing roller is adjusted to rise until the film only adheres to the surface of the carpet without squeezing the carpet to cause deformation, so that the internal structure of the sound insulation carpet is not damaged, thereby ensuring the sound insulation effect of the carpet; (3) After winding the cut film around the cylinder, the film cutting component can cut the film, and then it drops into the waste film tank, which is convenient for removing the film covering after cutting the next batch of carpets; (4) During cutting, the dust suction mechanism of the laser cutting device for the sound insulation carpet for electric vehicles allows debris to enter through the dust inlet with the airflow and accumulate on the dust collecting plate. At the same time, since the dust suction mechanism drives the airflow through the carpet cutting position, it can eliminate the heat generated by cutting, avoid affecting the carpet structure, and thus prevent affecting the sound insulation effect; (5) After removing the dust suction plate, the dust suction mechanism of the laser cutting device for the sound insulation carpet for electric vehicles can remove the dust collecting plate to clean the debris on it, preventing a large amount of debris from accumulating and reducing the air flow rate, thereby reducing the dust suction effect and heat dissipation effect. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for description in the embodiments: Figure 1 Schematic diagram of the laser cutting device for the sound-insulating carpet of an electric vehicle provided for Example 1; Figure 2 Top view of the laser cutting device for the sound-insulating carpet of an electric vehicle provided for Example 1; Figure 3 Front view of the laser cutting device for the sound-insulating carpet of an electric vehicle provided for Example 1; Figure 4 Right view of the laser cutting device for the sound-insulating carpet of an electric vehicle provided for Example 1; Figure 5 Bottom view of the laser cutting device for the sound-insulating carpet of an electric vehicle provided for Example 1; Figure 6 Schematic diagram of the dust suction mechanism provided for Example 1; Figure 7 Schematic diagram of the clamping assembly provided for Example 1; Figure 8 Front view of the winding assembly provided for Example 1; Figure 9 Rear view of the winding assembly provided for Example 1; Figure 10 Schematic diagram of the film cutting assembly provided for Example 1; Figure 11 Front view of the film cutting assembly provided for Example 1; Figure 12 Schematic diagram of the U-shaped frame provided for Example 1; Figure 13 Schematic diagram of the pressure roller provided for Example 1; Figure 14 Cross-sectional view of the pressure roller provided for Example 1.

[0017] Explanation of reference numerals: 1. Main body, 2. U-shaped metal detector, 3. Suction cavity, 4. Dust accumulation plate, 5. Dust suction plate, 6. Dust inlet, 7. Air outlet, 8. Rectangular block, 9. Support plate, 10. Linear telescopic device 1, 11. Clamping plate 1, 12. Clamping plate 2, 13. Sliding groove 1, 14. Sliding groove 2, 15. Slide bar, 16. Lead screw 1, 17. Slide block 1, 18. Slide block 2, 19. Bevel gear 1, 20. Bevel gear 2, 21. Motor 1, 22. Linear telescopic device 2, 23. Connecting block, 24. Sliding groove 3, 25. Sliding groove 4, 26. Lead screw 2, 27. Lead screw 3, 28. Transmission groove 1, 29. Chain 1, 30. Motor 2, 31. Slide block 3, 32. Cylinder body, 33. Waste film tank, 34. Rubber suction cup, 35. Rotating rod 1, 36. Internal gear, 37. External gear, 38. Triangular connecting plate, 39. Connecting rod, 40. Motor 3, 41. Circular turntable, 42. Rotating rod 2, 43. Motor 4, 44. Lifting ring, 45. Cylindrical limiting structure, 46. Lifting rod, 47. Film cutting knife, 48. Sliding groove 5, 49. Lead screw 4, 50. Motor 5, 51. Chain 2, 52. Sliding plate, 53. Rotating rod 3, 54. Annular limiting structure, 55. U-shaped frame, 56. Sliding groove 6, 57. Lead screw 5, 58. Motor 6, 59. Slide block 4, 60. Laser emitter, 61. Tooth disc, 62. U-shaped support plate, 63. L-shaped support plate, 64. Motor 7, 65. Transmission rod 1, 66. Fixed plate 1, 67. Bevel gear 3, 68. Rotating roller, 69. Pressing roller, 70. Pressure sensor, 71. Pressure sensing structure, 72. Film roll, 73. Rotating rod 4, 74. Lifting plate, 75. Motor 8, 76. Sliding ring, 77. Rectangular frame, 78. Lifting circular plate, 79. Transmission rod 2, 80. Bevel gear 4, 81. Bevel gear 5, 82. Motor 9, 83. Fixed plate 2. Detailed implementation mode

[0018] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described below with reference to the embodiments and the drawings.

[0019] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the specific embodiments disclosed in the following specification.

[0020] Embodiment 1 As Figures 1-14A laser cutting device for a sound-insulating carpet of an electric vehicle as shown, includes a main body 1. A dust suction mechanism is arranged in the middle of the main body 1. A clamping mechanism is arranged above the dust suction mechanism on the main body 1. A film removing mechanism is arranged outside the clamping mechanism above the main body 1. A laser cutting mechanism is arranged outside the film removing mechanism above the main body 1. A film pressing mechanism is arranged on the left side of the dust suction mechanism above the main body 1. A U-shaped metal detector 2 is fixedly connected between the film pressing mechanism and the dust suction mechanism above the main body 1. The U-shaped metal detector 2 is arranged outside the clamping mechanism.

[0021] As Figures 1-14 shown, the laser cutting mechanism includes a third moving component. The third moving component includes two fifth sliding grooves 48. The two fifth sliding grooves 48 are respectively opened on the front and rear sides of the main body 1. A fourth lead screw 49 is rotatably connected in each of the two fifth sliding grooves 48. The right end of one of the fourth lead screws 49 passes through the main body 1 and is fixedly connected to a fifth motor 50. The fifth motor 50 is fixedly connected to the main body 1. A second transmission groove is opened inside the main body 1 on the side close to the fifth motor 50 between the two fourth lead screws 49. The two fourth lead screws 49 are driven by a second chain 51 in the second transmission groove. A sliding plate 52 is threadedly connected to each of the two fourth lead screws 49. A first lifting component is arranged on the two sliding plates 52.

[0022] As Figures 1-14 shown, the dust suction mechanism includes a suction cavity 3. The suction cavity 3 is opened inside the main body 1. A dust accumulation plate 4 is detachably connected in the suction cavity 3. A dust suction plate 5 is detachably connected above the suction cavity 3. A plurality of dust inlets 6 are opened on the dust suction plate 5. An air outlet 7 is communicated below the suction cavity 3. The air outlet 7 is externally connected to an air extractor.

[0023] As Figures 1-14 shown, the clamping mechanism includes a clamping component. The clamping component includes a rectangular block 8. A support plate 9 is fixedly connected to the top of the rectangular block 8. Two first linear expansion devices 10 are fixedly connected above the support plate 9. The push rods of the two first linear expansion devices 10 pass through and are slidably connected to the support plate 9. A first clamping plate 11 is fixedly connected below the push rods of the two first linear expansion devices 10. A second clamping plate 12 is fixedly connected below the left side of the rectangular block 8. A first moving component is fixedly connected to the bottom of the rectangular block 8.

[0024] As Figures 1-14As shown in the figure, the first moving component includes a first sliding groove 13 and a second sliding groove 14. The first sliding groove 13 and the second sliding groove 14 are respectively formed above the main body 1 on the front and rear sides of the dust suction plate 5. A sliding rod 15 is fixedly connected in the first sliding groove 13, and a first lead screw 16 is rotatably connected in the second sliding groove 14. A first slider 17 is slidably connected to the sliding rod 15, and second sliders 18 are threadedly connected to the first lead screw 16. The tops of the first slider 17 and the second sliders are respectively fixedly connected to both sides of the bottom of the rectangular block 8. The end of the first lead screw 16 passes through the second sliding groove 14 and is sleeved with a first bevel gear 19. The first bevel gear 19 is drivingly connected to a second bevel gear 20, and the second bevel gear 20 is fixedly connected to a first motor 21. The first motor 21 is fixedly connected to the side of the main body 1.

[0025] As Figures 1-14 As shown in the figure, the film removing mechanism includes two second linear expansion devices 22. A second moving component is arranged below the two second linear expansion devices 22. Connecting blocks 23 are fixedly connected above the two second linear expansion devices 22. A winding component is fixedly connected between the two connecting blocks 23, and a film cutting component is arranged inside the winding component.

[0026] As Figures 1-14 As shown in the figure, the second moving component includes a third sliding groove 24 and a fourth sliding groove 25. The third sliding groove 24 and the fourth sliding groove 25 are respectively formed above the main body 1 on the front side of the first sliding groove 13 and the rear side of the second sliding groove 14. A first transmission groove 28 is arranged on the right side of the third sliding groove 24 and the fourth sliding groove 25. A second lead screw 26 and a third lead screw 27 are respectively rotatably connected in the third sliding groove 24 and the fourth sliding groove 25. The right ends of the second lead screw 26 and the third lead screw 27 both pass through the third sliding groove 24 and the fourth sliding groove 25 and are respectively rotatably connected to the front and rear sides in the first transmission groove 28. The second lead screw 26 and the third lead screw 27 are drivingly connected by a first chain 29 in the first transmission groove. The left end of the second lead screw 26 passes through the main body 1 and is fixedly connected to a second motor 30. The second motor 30 is fixedly connected to the side of the main body 1. Second sliders 31 are threadedly connected to the second lead screw 26 and the third lead screw 27, and the two second sliders 31 are respectively fixedly connected to the lower parts of the two second linear expansion devices 22.

[0027] As Figures 1-14As shown in the figure, the winding assembly includes a cylinder body 32. A waste film groove 33 is arranged directly below the cylinder body 32 and is opened above the main body 1. A plurality of rubber suction cups 34 are fixedly connected to the outer wall of the cylinder body 32. A first rotating rod 35 is fixedly connected to the rear side of the cylinder body 32. One side of the first rotating rod 35 away from the cylinder body 32 is rotatably connected to a connecting block 23. An internal gear 36 is fixedly connected to the front side of the cylinder body 32. Three external gears 37 are drivingly connected inside the internal gear 36. A triangular connecting plate 38 is arranged on one side of the three external gears 37 away from the cylinder body 32. The three external gears 37 are respectively rotatably connected to the three corners of the triangular connecting plate 38. A connecting rod 39 penetrates through one side of the triangular connecting plate 38 away from the three external gears 37. One end of the connecting rod 39 away from the triangular connecting plate 38 passes through the connecting block 23 and is fixedly connected to a third motor 40. A large gear is installed at the end of the connecting rod 39. The three external gears 37 are all meshed with the large gear. The triangular connecting plate 38 is fixedly connected to the connecting block 23 through a support rod. The third motor 40 is fixed to one side of the connecting block 23 away from the connecting rod 39.

[0028] As Figures 1-14 shown in the figure, the film cutting assembly includes a circular turntable 41. The circular turntable 41 is rotatably connected to the middle position inside the cylinder body 32. A second rotating rod 42 is fixedly connected to the central position on the side of the circular turntable 41 away from the internal gear 36. The second rotating rod 42 sequentially passes through the bottom surface of the cylinder body 32, the inside of the first rotating rod 35 and the connecting block 23 and is fixedly connected to a fourth motor 43. The second rotating rod 42 is rotatably connected to the bottom surface of the cylinder body 32, the inside of the first rotating rod 35 and the connecting block 23. The fourth motor 43 is fixedly connected to one side of the connecting block 23 away from the cylinder body 32.

[0029] As Figures 1-14 shown in the figure, a lifting ring 44 is arranged on the side of the circular turntable 41 away from the second rotating rod 42. A cylindrical limiting structure 45 is arranged on one side inside the lifting ring 44 and is fixedly connected to the circular turntable 41. A lifting rod 46 is fixedly connected above the lifting ring 44. One end of the lifting rod 46 away from the lifting ring 44 passes through and is slidably connected to the cylinder body 32. One end of the lifting rod 46 away from the lifting ring 44 is fixedly connected to a film cutting knife 47.

[0030] As Figures 1-14 shown in the figure, the first lifting assembly includes two third rotating rods 53. The two third rotating rods 53 respectively pass through and are rotatably connected to two sliding plates 52. Ring-shaped limiting structures 54 are fixedly connected to the upper and lower sides of the two third rotating rods 53 on the sliding plates 52. Threads are arranged on the upper parts of the two third rotating rods 53 and are threadedly connected to a U-shaped frame 55. A sliding groove six 56 is opened below the cross bar of the U-shaped frame 55. A fifth lead screw 57 is rotatably connected inside the sliding groove six 56. One end of the fifth lead screw 57 passes through the U-shaped frame and is fixedly connected to a sixth motor 58. The sixth motor 58 is fixedly connected to the side surface of the U-shaped frame 55. A fourth slider 59 is threadedly connected to the fifth lead screw 57. A laser emitter 60 is fixedly connected below the fourth slider 59.

[0031] As shown Figures 1-14 in the figure, a tooth disc 61 is fixedly connected to the lower part of each of the two rotating rods three 53, and a U-shaped support plate 62 is fixedly connected to the lower part of the two sliding plates 52. The opening of the U-shaped support plate 62 faces upward. One side of the U-shaped support plate 62 is fixedly connected to an L-shaped support plate 63. The side of the short board of the L-shaped support plate 63 is fixedly connected to the L-shaped support plate 63. One of the rotating rods three 53 passes through and is rotatably connected to the short board of the L-shaped support plate 63. A motor seven 64 is fixedly connected to the side of the long board of the L-shaped support plate 63. The output shaft of the motor seven 64 passes through the long board of the L-shaped support plate 63 and is fixedly connected to a first transmission rod 65. A first fixing plate 66 is rotatably connected to the first transmission rod 65. The first fixing plate 66 is fixedly connected to the bottom of the U-shaped support plate 62. Two third bevel gears 67 are sleeved on both ends of the first transmission rod 65. The two third bevel gears 67 are respectively in transmission connection with the two tooth discs 61.

[0032] As shown Figures 1-14 in the figure, the film pressing mechanism includes a rotating roller 68. The rotating roller 68 is rotatably connected to the inside of the main body 1 on the left side of the U-shaped metal detector 2. A pressing roller 69 is arranged above the rotating roller 68. A pressure sensor 70 is arranged inside the pressing roller 69. A plurality of pressure sensing structures 71 are fixedly connected to the surface of the pressure sensor 70. The plurality of pressure sensing structures 71 all pass through the pressing roller 69. A film roll 72 is arranged outside the plurality of pressure sensing structures 71 of the pressing roller 69; lifting assemblies two are arranged on the front and rear sides of the pressing roller 69.

[0033] As shown Figures 1-14 in the figure, the lifting assembly two includes two rotating rods four 73. The two rotating rods four 73 are respectively fixedly connected to the front and rear sides of the pressing roller 69. The side of each of the two rotating rods four 73 far from the pressing roller 69 is rotatably connected to a lifting plate 74. The side of one of the lifting plates 74 far from the pressing roller 69 is fixedly connected to a motor eight 75. The output shaft of the motor eight 75 passes through the lifting plate 74 and is fixedly connected to the rotating rod four 73. Two sliding rings 76 are slidably connected to the two lifting plates 74. The bottom of each of the two sliding rings 76 close to the rotating roller 68 is fixedly connected to the upper part of the main body 1. A rectangular frame 77 is fixedly connected to the lower part of each of the two lifting plates 74. A lifting circular plate 78 is rotatably connected to each of the two rectangular frames 77. The lower edges of the two lifting circular plates 78 extend beyond the bottom surface of the main body 1. A second transmission rod 79 is fixedly connected to the lower part of the main body 1 between the two lifting circular plates 78. A fourth bevel gear 80 is sleeved on the middle part of the second transmission rod 79. The fourth bevel gear 80 is in transmission connection with a fifth bevel gear 81. The fifth bevel gear 81 is fixedly connected to a motor nine 82. The motor nine 82 is fixedly connected to the bottom surface of the main body 1. The second transmission rod 79 is rotatably connected to a second fixing plate 83 on both sides of the fourth bevel gear 80. The two second fixing plates 83 are both fixedly connected to the bottom surface of the main body 1.

[0034] Embodiment 2 A cutting method for a sound-insulating carpet for an electric vehicle, using Figures 1-14 the laser cutting device for the sound-insulating carpet of the electric vehicle shown in the figure, comprising the following steps: (1) Before use, the pressing roller 69 is in a raised state, and the distance between the rotating roller 68 and the pressing roller 69 is the largest; the clamping assembly is at the leftmost position close to the film pressing mechanism, and the first clamping plate 11 is in a raised state; the laser emitter 60 is in a raised state and is located at the frontmost or rearmost side; the winding assembly is at the rightmost side and is in a raised state.

[0035] (2) Film pressing: Place the carpet between the rotating roller 68 and the pressing roller 69, start the ninth motor 82, and drive the fifth bevel gear 81, the fourth bevel gear 80, the second transmission rod 79, and the lifting circular plate 78 to rotate in sequence. The rectangular frame 77 drives the lifting plate 74 to move downward, so that the pressing roller 69 moves downward. The rotating roller 68 and the pressing roller 69 squeeze the carpet. The pressure received by the film roll 72 is transmitted to the pressure sensing structure 71, and the pressure sensing structure 71 then transmits the pressure to the pressure sensor 70 until the pressure sensor 70 senses that the pressure reaches the set value. At this time, the film is tightly attached to the carpet, and the carpet is deformed due to extrusion. Start the eighth motor 75, and the pressing roller 69 rotates. The rotating roller 68 rotates synchronously due to the action of the pressure, so that the carpet and the film move to the right between the first clamping plate 11 and the second clamping plate 12 at the same time. At the same time, start the two linear telescopic devices 10, and the first clamping plate 11 moves downward to clamp the carpet and the film; start the ninth motor 82 again to make the pressing roller 69 move upward. The deformation of the carpet due to extrusion gradually recovers until the carpet is no longer extruded, and the film is attached to the surface of the carpet. Then start the first motor 21, and drive the second bevel gear 20, the first bevel gear 19, and the first lead screw 16 to rotate in sequence. The second slider 18 moves to the right on the first lead screw 16, and the rectangular block 8 drives the first clamping plate 11 and the second clamping plate 12 to move to the right, thereby driving the ends of the carpet and the film to move to the right. The carpet and the film are spread on the dust suction plate 5.

[0036] (3) Cutting: Start the fifth motor 50 to drive the two fourth lead screws 49 to rotate. The two sliding plates 52 drive the first lifting assembly to move to the carpet cutting position; start the seventh motor 64, and drive the first transmission rod 65, the two third bevel gears 67, the two toothed discs 61, and the two third rotating rods 53 to rotate in sequence, so that the U-shaped frame 55 moves downward until the laser emitter 60 reaches the optimal cutting height. Start the sixth motor 58, and the fifth lead screw 57 rotates to drive the fourth slider 59 to move, so that the laser emitter 60 moves from the frontmost side to the rearmost side, or the laser emitter 60 moves from the rearmost side to the front side to complete the cutting of the carpet; start the seventh motor 64 again, and the laser emitter 60 rises to the highest state; start the dust suction mechanism when cutting the carpet. When cutting, the debris enters through the dust inlet 6 with the airflow and accumulates above the dust collecting plate 4. At the same time, since the dust suction mechanism drives the airflow through the carpet cutting area, the heat generated by cutting can be eliminated.

[0037] (4)Film removal: Start motor two 30, which simultaneously drives the rotation of lead screw two 26 and lead screw three 27. The two sliders three 31 drive the winding assembly to move to the edge of the carpet cutting position. Start the two linear expansion devices two 22, and the cylinder 32 moves downward so that the rubber suction cup 34 closely adheres to the film, and the air between the rubber suction cup 34 and the film is squeezed out. The rubber suction cup 34 sucks the film. Start motor three 40 to drive the large gear to rotate. The large gear meshes with the three external gears 37, so that the internal gear 36 and the cylinder 32 rotate, and the film is wound onto the cylinder 32. Start motor two 30 again to move the cylinder 32 above the waste film tank 33. Start motor four 43 to drive the rotation of the rotating rod two 42 and the circular turntable 41 in sequence, so that the cylindrical limiting structure 45 makes a circular motion around the center of the circular turntable 41. The lifting rod 46 can only move up and down due to the limitation of the cylinder. The lifting rod 46 drives the film cutting knife 47 to move upward to cut the film wound on the cylinder, and the cut film falls into the waste film tank 33.

[0038] As described above, it is only the preferred embodiment of the present invention, and it is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification and equivalent change made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A laser cutting device for a sound insulation carpet for an electric vehicle, comprising a main body (1), characterized in that: A dust suction mechanism is arranged in the middle of the main body (1); a clamping mechanism is arranged above the dust suction mechanism; a film removal mechanism is arranged above the main body (1) on the outside of the clamping mechanism; a laser cutting mechanism is arranged above the main body (1) on the outside of the film removal mechanism; a film pressing mechanism is arranged above the main body (1) on the left side of the dust suction mechanism; a U-shaped metal detector (2) is fixedly connected between the film pressing mechanism and the dust suction mechanism above the main body (1); and the U-shaped metal detector (2) is arranged on the outside of the clamping mechanism.

2. The laser cutting device for the sound insulation carpet for electric vehicles according to claim 1, characterized in that: The laser cutting mechanism comprises a moving component three, the moving component three comprises two sliding grooves five (48), the two sliding grooves five (48) are respectively arranged on the front and rear sides of the main body (1), the two sliding grooves five (48) are rotatably connected with screw rods four (49), the right end of one of the screw rods four (49) passes through the main body (1) and is fixedly connected with a motor five (50), the motor five (50) is fixedly connected to the main body (1), a transmission groove two is arranged in the main body (1) on a side between the two screw rods four (49) and close to the motor five (50), the two screw rods four (49) are driven in the transmission groove two by a chain two (51), the two screw rods four (49) are threadedly connected with sliding plates (52), and the two sliding plates (52) are provided with a lifting component one.

3. The laser cutting device for the sound insulation carpet for electric vehicles according to claim 1, characterized in that: The dust collection mechanism comprises an air suction cavity (3), the air suction cavity (3) is arranged inside the main body (1), a dust collecting plate (4) is detachably connected inside the air suction cavity (3), a dust collection plate (5) is detachably connected above the air suction cavity (3), a plurality of dust inlets (6) are arranged on the dust collection plate (5), an air outlet (7) is connected below the air suction cavity (3), and the air outlet (7) is externally connected to an exhaust fan.

4. The laser cutting device for the sound insulation carpet for electric vehicles according to claim 3, characterized in that: The clamping mechanism comprises a clamping assembly, which comprises a rectangular block (8), the top of the rectangular block (8) is fixedly connected to a support plate (9), the top of the support plate (9) is fixedly connected to two linear telescopic devices (10), the push rods of the two linear telescopic devices (10) pass through and are slidably connected to the support plate (9), the push rods of the two linear telescopic devices (10) are fixedly connected to a clamping plate (11) below, the lower side of the left side of the rectangular block (8) is fixedly connected to a clamping plate (12), and the bottom of the rectangular block (8) is fixedly connected to a moving assembly (1); The moving component 1 comprises a sliding groove 1 (13) and a sliding groove 2 (14). The sliding groove 1 (13) and the sliding groove 2 (14) are respectively opened on the upper side of the main body (1) at the front and rear sides of the dust collecting plate (5). A sliding rod (15) is fixedly connected in the sliding groove 1 (13). A screw rod 1 (16) is rotatably connected in the sliding groove 2 (14). A slider 1 (17) is slidably connected to the sliding rod (15). The slider 2 (18) is threadedly connected to the screw rod 1 (16). The tops of the slider 1 (17) and the slider 2 are respectively fixedly connected to the two sides of the bottom of the rectangular block (8). The end of the screw rod 1 (16) passes through the sliding groove 2 (14) and is sleeved with a bevel gear 1 (19). The bevel gear 1 (19) is transmission-connected with a bevel gear 2 (20). The bevel gear 2 (20) is fixedly connected with a motor 1 (21). The motor 1 (21) is fixedly connected to the side of the main body (1).

5. The laser cutting device for the sound insulation carpet for electric vehicles according to claim 1, characterized in that: The film removal mechanism comprises two linear telescopic devices (22), a moving component (2) is arranged below the two linear telescopic devices (22), a connecting block (23) is fixedly connected above the two linear telescopic devices (22), a winding component is fixedly connected between the two connecting blocks (23), and a film cutting component is arranged inside the winding component; The moving component 2 comprises a sliding groove 3 (24) and a sliding groove 4 (25), wherein the sliding groove 3 (24) and the sliding groove 4 (25) are respectively opened on the upper side of the main body (1) at the front side of the sliding groove 1 (13) and the rear side of the sliding groove 2 (14), and a transmission groove 1 (28) is arranged on the right side of the sliding groove 3 (24) and the sliding groove 4 (25), and the sliding groove 3 (24) and the sliding groove 4 (25) are respectively rotatably connected with the screw rod 2 (26) and the screw rod 3 (27), and the right ends of the screw rod 2 (26) and the screw rod 3 (27) both pass through the sliding groove 3 (24). and the sliding groove four (25) are respectively rotatably connected to the front and rear sides of the transmission groove one (28); the screw rod two (26) and the screw rod three (27) are connected in transmission groove one by a chain one (29); the left end of the screw rod two (26) passes through the main body (1) and is fixedly connected to the motor two (30); the motor two (30) is fixedly connected to the side of the main body (1); the screw rod two (26) and the screw rod three (27) are both threadedly connected to the slider three (31); the two sliders three (31) are respectively fixedly connected to the bottom of the two linear telescopic devices two (22).

6. The laser cutting device for the sound insulation carpet for electric vehicles according to claim 5, characterized in that: The winding assembly comprises a cylinder (32), a waste film groove (33) is arranged directly below the cylinder (32) and is opened above the main body (1), a plurality of rubber suction cups (34) are fixedly connected to the outer wall of the cylinder (32), a rotating rod (35) is fixedly connected to the rear side of the cylinder (32), and the rotating rod (35) is rotatably connected to the connecting block (23) at a side away from the cylinder (32), an internal gear (36) is fixedly connected to the front side of the cylinder (32), and three external gears (37) are internally transmission-connected to the internal gear (36), and a triangular connecting plate (36) is arranged at a side away from the cylinder (32) of the three external gears (37). 8), the three external gears (37) are rotatably connected to the three corners of the triangular connecting plate (38), a connecting rod (39) passes through the side of the triangular connecting plate (38) away from the three external gears (37), one end of the connecting rod (39) away from the triangular connecting plate (38) passes through the connecting block (23) and is fixedly connected to a motor three (40), a large gear is installed at the end of the connecting rod (39), and the three external gears (37) are all meshed with the large gear, the triangular connecting plate (38) is fixedly connected to the connecting block (23) through a support rod, and the motor three (40) is fixed to the side of the connecting block (23) away from the connecting rod (39).

7. The laser cutting device for the sound insulation carpet for electric vehicles according to claim 6, characterized in that: The film cutting assembly comprises a circular turntable (41), the circular turntable (41) is rotatably connected to a middle position in the cylinder (32), a rotating rod 2 (42) is fixedly connected to a center position of the circular turntable (41) on a side away from the internal gear (36), the rotating rod 2 (42) passes through the bottom surface of the cylinder (32), the inside of the rotating rod 1 (35) and the connecting block (23) in sequence and is fixedly connected to a motor 4 (43), the rotating rod 2 (42) is rotatably connected to the bottom surface of the cylinder (32), the inside of the rotating rod 1 (35) and the connecting block (23), and the motor 4 (43) is fixedly connected to a side of the connecting block (23) away from the cylinder (32); A lifting ring (44) is provided on one side of the circular turntable (41) away from the second rotating rod (42); a cylindrical limiting structure (45) is provided on one side of the lifting ring (44) and is fixedly connected to the circular turntable (41); a lifting rod (46) is fixedly connected above the lifting ring (44); one end of the lifting rod (46) away from the lifting ring (44) passes through and is slidably connected to the cylinder (32); and one end of the lifting rod (46) away from the lifting ring (44) is fixedly connected to a film cutting knife (47).

8. The laser cutting device for the sound insulation carpet for electric vehicles according to claim 2, characterized in that: The lifting assembly 1 comprises two rotating rods 3 (53), the two rotating rods 3 (53) respectively pass through and are rotatably connected to the two sliding plates (52), the two rotating rods 3 (53) are fixedly connected to annular limiting structures (54) on the upper and lower sides of the sliding plates (52), the upper parts of the two rotating rods 3 (53) are provided with threads and are threadedly connected to a U-shaped frame (55), a sliding groove 6 (56) is provided below the cross bar of the U-shaped frame (55), a screw rod 5 (57) is rotatably connected in the sliding groove 6 (56), one end of the screw rod 5 (57) passes through the U-shaped frame and is fixedly connected to a motor 6 (58), the motor 6 (58) is fixedly connected to the side of the U-shaped frame (55), a slider 4 (59) is threadedly connected to the screw rod 5 (57), and a laser emitter (60) is fixedly connected below the slider 4 (59); A toothed disc (61) is fixedly connected to the bottom of each of the two rotating rods (53); a U-shaped support plate (62) is fixedly connected to the bottom of each of the two sliding plates (52); the opening of the U-shaped support plate (62) faces upward; an L-shaped support plate (63) is fixedly connected to one side of the U-shaped support plate (62); a short plate side of the L-shaped support plate (63) is fixedly connected to the L-shaped support plate (63); one of the rotating rods (53) passes through and is rotatably connected to the short plate of the L-shaped support plate (63); the L-shaped A motor seven (64) is fixedly connected to the side of the long plate of the support plate (63); the output shaft of the motor seven (64) passes through the long plate of the L-shaped support plate (63) and is fixedly connected to a transmission rod one (65); a fixed plate one (66) is rotatably connected to the transmission rod one (65); the fixed plate one (66) is fixedly connected to the bottom of the U-shaped support plate (62); both ends of the transmission rod one (65) are sleeved with bevel gears three (67); the two bevel gears three (67) are respectively transmission-connected to the two toothed discs (61).

9. The laser cutting device for the sound insulation carpet for electric vehicles according to claim 1, characterized in that: The film pressing mechanism comprises a rotating roller (68), the rotating roller (68) is rotatably connected to the inside of the main body (1) on the left side of the U-shaped metal detector (2), a pressing roller (69) is arranged above the rotating roller (68), a pressure sensor (70) is arranged inside the pressing roller (69), a plurality of pressure sensing structures (71) are fixedly connected to the surface of the pressure sensor (70), the plurality of pressure sensing structures (71) all pass through the pressing roller (69), and a film roll (72) is arranged on the outside of the plurality of pressure sensing structures (71) of the pressing roller (69); a lifting component 2 is arranged on the front and rear sides of the pressing roller (69); The lifting assembly 2 comprises two rotating rods 4 (73), the two rotating rods 4 (73) are respectively fixedly connected to the front and rear sides of the pressure roller (69), the two rotating rods 4 (73) are rotatably connected to the lifting plates (74) on the sides away from the pressure roller (69), one of the lifting plates (74) is fixedly connected to the side away from the pressure roller (69) with a motor 8 (75), the output shaft of the motor 8 (75) passes through the lifting plate (74) and is fixedly connected to the rotating rod 4 (73), the two lifting plates (74) are slidably connected to the sliding rings (76), the bottom of the two sliding rings (76) are fixedly connected to the top of the main body (1) on the sides close to the rotating roller (68), and the bottoms of the two lifting plates (74) are fixedly connected to the rectangular frame (77), the two rectangular frames (77) are both rotatably connected with lifting circular plates (78), the lower edges of the two lifting circular plates (78) extend beyond the bottom surface of the main body (1), a transmission rod 2 (79) is fixedly connected between the two lifting circular plates (78) below the main body (1), a bevel gear 4 (80) is sleeved on the middle of the transmission rod 2 (79), the bevel gear 4 (80) is transmission-connected with a bevel gear 5 (81), the bevel gear 5 (81) is fixedly connected with a motor 9 (82), the motor 9 (82) is fixedly connected to the bottom surface of the main body (1), the transmission rod 2 (79) is rotatably connected with fixed plates 2 (83) on both sides of the bevel gear 4 (80), and the two fixed plates 2 (83) are both fixedly connected to the bottom surface of the main body (1).

10. A method for cutting a sound insulation carpet for an electric vehicle, characterized in that: The laser cutting device for the sound insulation carpet for electric vehicles according to claim 9 comprises the following steps: (1) Before use, the pressing roller (69) is in an elevated state, and the distance between the rotating roller (68) and the pressing roller (69) is at its maximum; the clamping assembly is at the leftmost position close to the film pressing mechanism, and the clamping plate (11) is in an elevated state; the laser emitter (60) is in an elevated state and is located at the frontmost side or the rearmost side; the winding assembly is located at the rightmost side and is in an elevated state; (2) Film pressing: the carpet is placed between the rotating roller (68) and the pressing roller (69), the lifting component 2 drives the pressing roller (69) to fit the film onto the carpet, the pressing roller (69) rotates to drive the carpet and the film to move to the clamping component, the pressing roller (69) rises through the lifting component 2 until the film only fits the surface of the carpet without squeezing the carpet to cause deformation, the clamping component drives the carpet and the film to move to the right through the moving component 1, and the carpet and the film are spread on the dust collecting plate (5); (3) Cutting: the moving component three drives the lifting component one to move to the carpet cutting position, the lifting component one drives the laser emitter (60) to the optimal cutting height, and at the same time the dust collecting mechanism is started, the laser emitter (60) moves from the front side to the rear side, or the laser emitter (60) moves from the rear side to the front and rear sides, and the carpet is cut, and then the lifting component one drives the laser emitter (60) to rise to the highest state; (4) Film removal: The second moving component drives the winding component to move rightward to the edge of the carpet cutting location. The winding component winds and collects the film, and then moves to the top of the waste film tank (33) through the second moving component. The film cutting component cuts the wound film, and the cut film falls into the waste film tank (33).

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