Automobile roof edge cutting device

Abstract

The application discloses an automobile roof edge cutting device, which comprises a processing table for placing an automobile roof, and an auxiliary mechanism arranged above the processing table, wherein the auxiliary mechanism comprises a woven cloth, the woven cloth is provided with a through groove which is adapted to a roof window of the automobile roof, both ends of the woven cloth are provided with a winding drum for winding the woven cloth, a torsional spring is arranged on the shaft end of the winding drum, and the winding drum winds the woven cloth through the rebound of the torsional spring; and a positioning assembly is arranged on both sides of the processing table and is used for positioning the automobile roof. The application relates to the technical field of automobile production and solves the problems that the existing automobile roof window burr automatic cutting device needs manual feeding and discharging, and the position of the roof window also needs to be positioned, the processing efficiency is reduced, the cutting waste is accumulated on the receiving table frame, the operation of the cutting device is affected, and the cutting waste is difficult to clean.

Description

Technical Field

[0001] This invention relates to the field of automobile manufacturing technology, specifically to a cutting device for the edge of an automobile roof. Background Technology

[0002] In the prior art, the rough edges of car sunroofs are generally processed by manual cutting, which seriously affects production efficiency and makes it difficult to improve product quality. An automatic cutting device for rough edges of car sunroofs, with application number CN201921614939.1, includes a frame and a support frame on the top of the frame for placing the car sunroof, which can greatly improve production efficiency and ensure product quality.

[0003] Although this device possesses the aforementioned advantages, it still suffers from the following drawbacks in practical use: 1) When the device cuts the rough edges of the car roof sunroof, the cutting waste generated will fall and accumulate on the receiving platform. The receiving platform has many structures, which affects the normal use of the cutting device and makes the waste cleaning more troublesome. 2) The device supports the car roof through a support frame, which requires manual loading and unloading, which is time-consuming and labor-intensive. In addition, the sunroof position needs to be accurately located, which further increases the processing difficulty and results in low overall processing efficiency.

[0004] Therefore, it is necessary to address the remaining problems with the aforementioned devices. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides an automotive roof edge cutting device, which solves the problems of existing automatic cutting devices for automotive roof sunroof rough edges requiring manual loading and unloading, as well as the need to position the sunroof, leading to reduced processing efficiency. Additionally, the waste generated during cutting accumulates on the receiving platform, affecting the operation of the cutting device, and is difficult to clean.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a car roof edge cutting device, comprising: A processing table for placing car roofs; An auxiliary mechanism is provided above the processing table. The auxiliary mechanism includes a woven fabric with a through groove that is adapted to the sunroof of the car. Both ends of the woven fabric are provided with a roll for winding the woven fabric. A torsion spring is provided on the shaft end of the roll. The torsion spring causes the roll to wind the woven fabric by rebounding. A positioning component, which is disposed on both sides of the processing table, is used for positioning the car roof; A dust collection component, which operates inside the channel, is used to collect waste debris generated during the cutting and polishing of rough edges of the car roof sunroof.

[0007] Preferably, a support plate is provided on the outside of the drum, and a fixed plate is fixedly connected to the outer surface of the support plate. A lead screw is rotatably connected through the body of the fixed plate. One end of the lead screw is fixedly connected to a drive motor through a coupling. The outer surface of the drive motor is fixedly connected to the outer surface of the support plate. Two sliders are threadedly connected through the outer surface of the lead screw. The outer surfaces of the two sliders are slidably connected to the outer surface of the support plate. Two lifting rods are fixedly connected to the outer surface of the sliders. The output ends of the two lifting rods are fixedly connected to a frame. The outer surface of one frame is rotatably connected to the shaft end of the drum, and an electric suction device is fixedly connected to the outer surface of the other frame.

[0008] Preferably, two gantry frames are provided on the outside of the support plate. Slide rails are fixedly connected to the outer surfaces of the two gantry frames. Linear motors are slidably connected to the outer surfaces of the slide rails on both sides. Rotary cylinders are fixedly connected to the outer surfaces of the linear motors on both sides. The output ends of the rotary cylinders on both sides are fixedly connected to the outer surfaces of the support plate.

[0009] Preferably, the positioning component includes a roller mill, which is disposed on both sides of the outer surface of the processing table. Vertical rollers are rotatably connected to both sides of the roller mill frame. Spring rods are fixedly connected to both sides of the roller mill frame. An arc block is fixedly connected to the output end of the spring rod. A photosensitive plate is fixedly connected to the outer surface of the arc block. A spotlight is disposed on the outside of the photosensitive plate. The outer surface of the spotlight is fixedly connected to the frame of the roller mill.

[0010] Preferably, the dust collection assembly includes a fixed box, the outer surface of which is fixedly connected to the interior of the through groove, the outer surface of which is fixedly connected to the outer surface of the support plate by a push-pull rod, a fan fixedly connected to the interior of which is connected through a one-way valve, an inclined filter plate fixedly connected to the interior of which, and a through suction groove provided in the body of which is fixedly connected.

[0011] Preferably, inclined baffles are provided on both sides of the suction groove, one side of the outer surface of the baffles extends into the interior of the solid box, and a discharge pipe is connected through the interior of the solid box.

[0012] Preferably, a ring-cutting unit is provided on the outside of the solid box. The ring-cutting unit includes a connecting plate, which is disposed on the outside of the solid box and movably connected to the inside of the through groove. A cutting motor is fixedly connected to the outer surface of the connecting plate, and a cutting blade is fixedly connected to the output end of the cutting motor.

[0013] Preferably, a slide is fixedly connected to the outer surface of the connecting plate, a slide bar is slidably connected to the outer surface of the slide, the outer surface of the slide bar is fixedly connected to the outer surface of the fixed box, a displacement motor is fixedly connected to the outer surface of the slide, a gear is fixedly connected to the output end of the displacement motor, a rack meshes with the outer surface of the gear, and the outer surface of the rack is fixedly connected to the outer surface of the fixed box.

[0014] Preferably, the filter plate is provided with an anti-clogging unit on its exterior. The anti-clogging unit includes a sliding plate. The outer surface of the sliding plate is movably connected to the interior of the solid box and the outer surface of the filter plate, respectively. A top rod is fixedly connected to the outer surface of the sliding plate, and the outer surface of the top rod is movably connected to the filter holes of the filter plate.

[0015] Preferably, a rotating plate is rotatably connected to the outer surface of the slide plate, and a crankshaft is rotatably connected through the body of the rotating plate. The end of the crankshaft is rotatably embedded in the interior of the fixed box. A worm gear is fixedly connected to the outer surface of the crankshaft, and a worm is meshed on the outer surface of the worm gear. One end of the worm is fixedly connected to the output end of the fan.

[0016] This invention provides a car roof edge cutting device. Compared with the prior art, it has the following advantages: (1) By setting up an auxiliary mechanism, the electric suction tool can pick up the car roof by using the movement of the linear motor, thereby realizing automatic loading and unloading and improving processing efficiency. At the same time, by using the combination of woven fabric and through groove, the top of the car roof can be covered, which facilitates the cutting of rough edges and avoids damage to the car roof, thereby further improving processing efficiency.

[0017] (2) By setting up positioning components, the combination of roller conveyor and vertical roller can not only transport the car roof to achieve continuous processing, but also achieve anti-deviation and positioning functions. At the same time, by using arc blocks and photosensitive plates, the relative position of the car roof can be further determined, thereby reducing the difficulty of positioning the car roof sunroof and improving processing efficiency.

[0018] (3) By setting up a dust collection component, the combination of a fan, a suction tank and a one-way valve can be used to suck the cutting waste generated during the cutting of the burrs into the solid box. The waste is then trapped inside the solid box by the blocking effect of the filter plate and the baffle. At the same time, the cutting waste can be discharged uniformly by the flipping action of the rotary cylinder and the discharge pipe.

[0019] (4) By setting up a ring cutting unit, the meshing of gears and racks, and the guiding effect of carriages and slides, the cutting motor drives the cutter to rotate around the inside of the through groove to remove the rough edges of the car roof sunroof, thereby further improving the processing efficiency. The cutter moves around the fixed box, avoiding the problems of waste accumulation and difficult cleaning.

[0020] (5) By setting up an anti-clogging unit, the slide plate drives the top rod to move. The slide plate expands the filter screen and causes it to vibrate, which facilitates the filtration and discharge of waste. At the same time, the top rod enters the filter hole to clean it, avoiding the clogging of the filter hole. In addition, through the cooperation of the rotating plate, crankshaft and worm gear, the movement of the slide plate is synchronized with the vacuuming operation, thereby avoiding the problem of filter hole clogging affecting the use during vacuuming. Attached Figure Description

[0021] Figure 1 This is a perspective view of the external structure of the present invention; Figure 2 This is a perspective view of the external structure of the frame of the present invention; Figure 3 This is a perspective view of the internal structure of the fixed box of the present invention; Figure 4 This is a perspective view of the external structure of the skateboard of the present invention; Figure 5 This is a perspective view of the external structure of the carriage of the present invention; Figure 6 This is a three-dimensional view of the external structure of the arc block of the present invention.

[0022] In the diagram: 1. Processing table; 2. Woven fabric; 3. Through groove; 4. Roller; 5. Torsion spring; 6. Positioning assembly; 61. Roller; 62. Vertical roller; 63. Spring rod; 64. Arc block; 65. Photosensitive plate; 66. Spotlight; 7. Dust collection assembly; 71. Fixed box; 72. Ring cutting unit; 721. Connecting plate; 722. Cutting motor; 723. Cutting blade; 724. Carriage; 725. Sliding bar; 726. Displacement motor; 727. Gear; 728. Rack; 73. Push-pull rod; 74. 75. Fan; 76. Check valve; 77. Filter plate; 78. Discharge pipe; 79. Anti-clogging unit; 70. Slide plate; 71. Top rod; 72. Rotary plate; 73. Crankshaft; 74. Worm gear; 75. Worm; 76. Suction groove; 77. Baffle; 8. Support plate; 9. Fixed plate; 10. Drive motor; 11. Slider; 12. Lifting rod; 13. Fixed frame; 14. Electric suction device; 15. Gantry frame; 16. Slide rail; 17. Linear motor; 18. Rotary cylinder; 19. Lead screw. Detailed Implementation

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0024] Please see Figure 1-6This invention provides a technical solution: a car roof edge cutting device. Example 1: Refer to the attached instruction manual Figure 1 Appendix Figure 2 ; The system includes a processing table 1, which is made from an existing frame and has a vacuum nozzle structure on top for fixing the car roof. An auxiliary mechanism is provided on the outside of the processing table 1, including a woven fabric 2. The woven fabric 2 covers and protects the top of the car roof. The body of the woven fabric 2 has a through groove 3, the internal dimensions of which are the same as the dimensions of the car roof sunroof. Both ends of the woven fabric 2 are wound with rollers 4, and the shaft end of the rollers 4 is fitted with a torsion spring 5. The torsion spring 5, through its rebound, causes the rollers 4 to reverse and rewind the woven fabric 2. A support plate 8 is provided on the outside of the rollers 4, and a fixed plate 9 is fixedly connected to the outer surface of the support plate 8. A lead screw 19 is rotatably connected through the body of the fixed plate 9. The threads on both sides of the lead screw 19 are arranged in opposite directions so that the sliders 11 on both sides can drive the rollers 4 to move synchronously in opposite directions, thereby fixing the position of the through groove 3. One end of the lead screw 19 is fixedly connected to a drive motor via a coupling. 10. The drive motor 10 is made of servo motor and is electrically connected to the external control circuit. The outer surface of the drive motor 10 is fixedly connected to the outer surface of the support plate 8. The outer surface of the lead screw 19 is threadedly connected to two sliders 11. The outer surfaces of the two sliders 11 are slidably connected to the outer surface of the support plate 8. The outer surfaces of the sliders 11 are fixedly connected to two lifting rods 12. The lifting rods 12 are made of existing electric push rods and are electrically connected to the external control circuit. The output ends of the two lifting rods 12 are fixedly connected to the brackets 13. The widths of the brackets 13 on both sides are different to facilitate the picking up of the car roof and the covering and protection above it. The outer surface of one bracket 13 is rotatably connected to the shaft end of the drum 4. The two ends of the torsion spring 5 are fixedly connected to the outer surfaces of one bracket 13 and the drum 4, respectively. The outer surface of the other bracket 13 is fixedly connected to an electric suction device 14. The electric suction device 14 is a NEMO model. The motorized suction cup of GRABO / NG-2B-FB is electrically connected to an external control circuit. The support plate 8 has two gantry frames 15 on its exterior. The outer surfaces of the two gantry frames 15 are fixedly connected to slide rails 16. The outer surfaces of the slide rails 16 on both sides are slidably connected to linear motors 17. The linear motors 17 are electrically connected to the external control circuit. The outer surfaces of the linear motors 17 on both sides are fixedly connected to rotary cylinders 18. The rotary cylinders 18 are connected to the external control circuit. The output ends of the rotary cylinders 18 on both sides are fixedly connected to the outer surfaces of the support plate 8.

[0025] In this embodiment, the linear motor 17 slides along the slide rail 16, causing the support plate 8 to move the electric suction device 14 to the top of the car roof. Then, the drive motor 10 drives the electric suction device 14 to the top of the suction position through the lead screw 19 and the slider 11. Then, the output end of the lifting rod 12 on one side extends out and drives the electric suction device 14 to contact the car roof through the fixing frame 13 on one side, and picks it up by suction. Then, the car roof is moved to the top of the processing table 1 by resetting, and the car roof can be fixed by the vacuum nozzle. At the same time, the slider 11 moves, causing the roll 4 to follow the movement and rotate around the shaft end to release the woven fabric 2. At the same time, the torsion spring 5 is compressed to facilitate the resetting and winding of the woven fabric 2. Then, the other lifting rod 12 drives the woven fabric 2 to descend and fit against the car roof through the corresponding fixing frame 13, and the through groove 3 is aligned with the sunroof position, thus completing the automatic loading and unloading of the car roof and cutting protection.

[0026] Example 2: Based on Example 1, refer to the appendix of the instruction manual. Figure 1 Appendix Figure 6 ; The woven fabric 2 is externally equipped with a positioning component 6, which includes a roller mill 61. The roller mill 61 consists of a drive motor, a roller frame, and conveyor rollers. The drive motor is electrically connected to an external control circuit. One side of the conveyor roller is higher than the top of the roller frame. The roller mill 61 is located on both sides of the outer surface of the processing table 1. Vertical rollers 62 are rotatably connected to both sides of the frame of the roller mill 61. Multiple vertical rollers 62 are arranged in rows at equal intervals. This facilitates the initial positioning of the car roof and avoids offset during conveying. Both sides of the frame of the roller mill 61 are fixedly connected to spring rods 63. The output end of the spring rods 63 is fixedly connected to an arc block 64. The arc block 64 is pressed down by contacting the car roof, thereby realizing the positioning of the car roof. A photosensitive plate 65 is fixedly connected to the outer surface of the arc block 64. The photosensitive plate 65 is made of photosensitive material and is electrically connected to an external control circuit. A spotlight 66 is set outside the photosensitive plate 65. The spotlight 66 is electrically connected to an external control circuit. The outer surface of the spotlight 66 is fixedly connected to the frame of the roller mill 61.

[0027] In this embodiment, the cast car roof is placed on a side roller conveyor 61 by a robotic arm. The longer sides are positioned by vertical rollers 62 arranged in rows on both sides, and the roller conveyor 61 transports it while preventing it from shifting. During the movement, the car roof comes into contact with an arc block 64, which presses down on the arc block 64 to compress the output end of the spring rod 63 and drives the photosensitive plate 65 to descend synchronously. When the photosensitive plate 65 is coaxial with the spotlight 66, the rays irradiate the photosensitive plate 65, causing changes in the resistance and current value of the circuit of the photosensitive plate 65, forming a positioning monitoring signal to achieve the positioning of the car roof.

[0028] Example 3: Based on Example 2, refer to the appendix of the instruction manual. Figure 1 Appendix Figure 3 ; A dust collection assembly 7 is installed on the outside of the woven fabric 2. The dust collection assembly 7 includes a fixed box 71. The outer surface of the fixed box 71 is fixedly connected to the inside of the through groove 3. The outer surface of the fixed box 71 is fixedly connected to the outer surface of the support plate 8 by a push-pull rod 73. A fan 74 is fixedly connected inside the fixed box 71. The drive motor of the fan 74 is made of a dual-shaft motor and is electrically connected to an external control circuit. A one-way valve 75 runs through the inside of the fixed box 71. An inclined filter plate 76 is fixedly connected inside the fixed box 71. The filter plate 76 can block the collected waste in the fixed box 71. To prevent damage to the blower 74, the solid box 71 has a through suction groove 79 on one side. Both sides of the suction groove 79 are provided with inclined baffles 710. The two baffles 710 are set as a group inside a single suction groove 79 and are arranged in a figure-eight shape to facilitate the accumulation of collected waste inside the solid box 71. One side of the outer surface of the baffle 710 extends into the interior of the solid box 71. A discharge pipe 77 is connected through the interior of the solid box 71. A solenoid valve is installed inside the discharge pipe 77 to control the discharge of waste.

[0029] In this embodiment, when the rough edges of the car sunroof are being cut, the output end of the push-pull rod 73 extends, causing the solid box 71 to descend to the vicinity of the sunroof. Then, the fan 74 operates, causing air to carry the waste debris into the interior of the solid box 71 through the suction groove 79. The debris is blocked by the filter plate 76 on one side inside the solid box 71 and is also blocked by the baffle 710 to prevent leakage. Then, the air is discharged to the outside of the solid box 71 through the one-way valve 75. When it is necessary to clean the collected waste debris, the linear motor 17 drives the support plate 8 to move to the outside of the roller 61. Then, the rotary cylinder 18 drives the support plate 8 to flip over, so that the discharge pipe 77 is on the side where the filter plate 76 is located below. Then, the solenoid valve opens, and the waste debris is guided by the inclined filter plate 76 and discharged to the outside of the solid box 71 through the discharge pipe 77.

[0030] Example 4: Based on Example 3, refer to the appendix of the instruction manual. Figure 1 Appendix Figure 5 ; A circumferential cutting unit 72 is provided on the outside of the fixed box 71. The circumferential cutting unit 72 includes a connecting plate 721, which serves as a support. As a preferred embodiment, an identification module can be installed on the connecting plate 721, and a marker can be placed on the edge of the through groove 3. By identifying the marker, precise cutting can be achieved, thereby improving cutting efficiency and effect. The connecting plate 721 is located on the outside of the fixed box 71 and is movably connected to the inside of the through groove 3. A cutting motor 722 is fixedly connected to the outer surface of the connecting plate 721. The cutting motor 722 is electrically connected to an external control circuit. A cutter 723 is fixedly connected to the output end of the cutting motor 722. The cutter 723 can be assembled with the output end of the cutting motor 722 through a quick-release clamp, which can achieve quick replacement after damage and facilitate replacement and grinding. The wheelset cutting area is polished. A slide 724 is fixedly connected to the outer surface of the connecting plate 721. A slide bar 725 is slidably connected to the outer surface of the slide 724. Anti-detachment measures are provided between the slide bar 725 and the slide 724 to improve the stability of the cutting motor 722 and the cutting accuracy. The outer surface of the slide bar 725 is fixedly connected to the outer surface of the fixed box 71. A displacement motor 726 is fixedly connected to the outer surface of the slide 724. The displacement motor 726 is electrically connected to the external control circuit. A gear 727 is fixedly connected to the output end of the displacement motor 726. A rack 728 meshes with the outer surface of the gear 727. The shapes of the rack 728 and the slide bar 725 are similar to the shape of a car sunroof. The outer surface of the rack 728 is fixedly connected to the outer surface of the fixed box 71.

[0031] In this embodiment, when the fixed box 71 descends to the dust collection area, the connecting plate 721 drives the cutting motor 722 and the cutter 723 to move through the through slot 3 to the position above the sunroof. Subsequently, the cutting motor 722 rotates with the cutter 723 to remove the burrs. At the same time, the displacement motor 726 drives the gear 727 to rotate. Through the meshing of the gear 727 and the rack 728, the carriage 724 slides along the slide bar 725 and drives the cutter 723 to move along the inner circle of the sunroof to remove all the burrs.

[0032] Example 5: Based on Example 4, refer to the appendix of the instruction manual. Figure 1 Appendix Figure 4 ; An anti-clogging unit 78 is provided on the outside of the filter plate 76. The anti-clogging unit 78 includes a sliding plate 781. Multiple sliding plates 781 are equidistantly arranged, and their sum of dimensions is the same as that of the filter plate 76. The outer surface of the sliding plate 781 is movably connected to the interior of the fixed box 71 and the outer surface of the filter plate 76. A push rod 782 is fixedly connected to the outer surface of the sliding plate 781. The size, number, and position of the push rod 782 correspond to the filter holes of the filter plate 76. The outer surface of the push rod 782 is movably connected to the filter holes of the filter plate 76. A rotating plate 783 is rotatably connected to the outer surface of the sliding plate 781. The body of the rotating plate 783 is rotatably connected to a crankshaft 784. The number of curved sections of the crankshaft 784 is the same as that of the slide plate 781, and the two adjacent curved sections are mirror-symmetrically arranged so that the two adjacent slide plates 781 can slide in a staggered manner to facilitate air circulation. The end of the crankshaft 784 is rotatably embedded in the interior of the fixed box 71. A worm gear 785 is fixedly connected to the outer surface of the crankshaft 784, and a worm 786 meshes with the outer surface of the worm gear 785. The cooperation between the worm 786 and the worm gear 785 can not only improve the stability of the slide plate 781, but also enable the unclogging of the top rod 782 and the filtration and dust collection of the filter plate 76 to be carried out simultaneously. One end of the worm 786 is fixedly connected to the output end of the fan 74.

[0033] In this embodiment, when the fan 74 draws in air for dust collection and filters it through the filter plate 76, the other output end of the fan 74 drives the worm gear 786 to rotate synchronously. Through the meshing of the worm wheel 785 and the worm gear 786, the crankshaft 784 rotates synchronously. Thus, through the connection between the rotating plate 783 and the bent part of the crankshaft 784, the sliding plate 781 drives the push rod 782 to move up and down reciprocally. The sliding plate 781 collides with the filter plate 76, causing it to vibrate and improve the filtration effect. At the same time, the push rod 782 moves into the filter holes, preventing the filter holes from being blocked, thereby facilitating air circulation and achieving continuous dust collection.

[0034] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0035] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A car roof edge cutting device, characterized in that: include: A processing table (1) for placing car roofs; An auxiliary mechanism is provided above the processing table (1). The auxiliary mechanism includes a woven fabric (2). The woven fabric (2) is provided with a through groove (3) that is adapted to the sunroof of the car. Both ends of the woven fabric (2) are provided with a roll (4) for winding the woven fabric (2). A torsion spring (5) is provided on the shaft end of the roll (4). The torsion spring (5) causes the roll (4) to wind the woven fabric (2) by rebounding. Positioning component (6), the positioning component (6) is disposed on both sides of the processing table (1) for positioning the car roof; The dust collection component (7) acts inside the through groove (3) to collect the waste generated by cutting and polishing the rough edges of the car roof sunroof; The drum (4) is provided with a support plate (8) on its outside. A fixed plate (9) is fixedly connected to the outer surface of the support plate (8). A lead screw (19) is rotatably connected through the body of the fixed plate (9). A drive motor (10) is fixedly connected to one end of the lead screw (19) through a coupling. The outer surface of the drive motor (10) is fixedly connected to the outer surface of the support plate (8). Two sliders (11) are threadedly connected through the outer surface of the lead screw (19). The outer surfaces of the two sliders (11) are slidably connected to the outer surface of the support plate (8). Two lifting rods (12) are fixedly connected to the outer surface of each slider (11). A frame (13) is fixedly connected to the output end of each of the two lifting rods (12). The outer surface of one side of the frame (13) is rotatably connected to the shaft end of the drum (4). An electric suction device (14) is fixedly connected to the outer surface of the other side of the frame (13). The dust collection assembly (7) includes a fixed box (71), the outer surface of which is fixedly connected to the inside of the through groove (3). A ring cutting unit (72) is provided on the outside of the fixed box (71). The ring cutting unit (72) includes a connecting plate (721), which is located on the outside of the fixed box (71) and is movably connected to the inside of the through groove (3). A cutting motor (722) is fixedly connected to the outer surface of the connecting plate (721), and a cutter (723) is fixedly connected to the output end of the cutting motor (722).

2. The car roof edge cutting device according to claim 1, characterized in that: The support plate (8) has two gantry frames (15) on its outside. The outer surfaces of the two gantry frames (15) are fixedly connected to slide rails (16). The outer surfaces of the slide rails (16) on both sides are slidably connected to linear motors (17). The outer surfaces of the linear motors (17) on both sides are fixedly connected to rotary cylinders (18). The output ends of the rotary cylinders (18) on both sides are fixedly connected to the outer surface of the support plate (8).

3. The car roof edge cutting device according to claim 1, characterized in that: The positioning component (6) includes a roller mill (61), which is set on both sides of the outer surface of the processing table (1). Vertical rollers (62) are rotatably connected to both sides of the frame of the roller mill (61). Spring rods (63) are fixedly connected to both sides of the frame of the roller mill (61). An arc block (64) is fixedly connected to the output end of the spring rod (63). A photosensitive plate (65) is fixedly connected to the outer surface of the arc block (64). A spotlight (66) is provided on the outside of the photosensitive plate (65). The outer surface of the spotlight (66) is fixedly connected to the frame of the roller mill (61).

4. The car roof edge cutting device according to claim 1, characterized in that: The outer surface of the fixed box (71) is fixedly connected to the outer surface of the support plate (8) by a push-pull rod (73). A fan (74) is fixedly connected inside the fixed box (71). A one-way valve (75) is connected through the inside of the fixed box (71). An inclined filter plate (76) is fixedly connected inside the fixed box (71). A through suction groove (79) is opened on the body of the fixed box (71).

5. The car roof edge cutting device according to claim 4, characterized in that: Both sides of the suction groove (79) are provided with inclined baffles (710), one side of the outer surface of the baffle (710) extends into the interior of the solid box (71), and the interior of the solid box (71) is connected by a discharge pipe (77).

6. The car roof edge cutting device according to claim 1, characterized in that: A slide (724) is fixedly connected to the outer surface of the connecting plate (721). A slide bar (725) is slidably connected to the outer surface of the slide (724). The outer surface of the slide bar (725) is fixedly connected to the outer surface of the fixed box (71). A displacement motor (726) is fixedly connected to the outer surface of the slide (724). A gear (727) is fixedly connected to the output end of the displacement motor (726). A rack (728) meshes with the outer surface of the gear (727). The outer surface of the rack (728) is fixedly connected to the outer surface of the fixed box (71).

7. The car roof edge cutting device according to claim 4, characterized in that: The filter plate (76) is provided with an anti-clogging unit (78) on its exterior. The anti-clogging unit (78) includes a sliding plate (781). The outer surface of the sliding plate (781) is movably connected to the interior of the fixed box (71) and the outer surface of the filter plate (76). A top rod (782) is fixedly connected to the outer surface of the sliding plate (781). The outer surface of the top rod (782) is movably connected to the filter holes of the filter plate (76).

8. The car roof edge cutting device according to claim 7, characterized in that: The outer surface of the slide plate (781) is rotatably connected to a rotating plate (783), and the body of the rotating plate (783) is rotatably connected to a crankshaft (784). The end of the crankshaft (784) is rotatably embedded in the interior of the fixed box (71). The outer surface of the crankshaft (784) is fixedly connected to a worm gear (785), and the outer surface of the worm gear (785) is meshed with a worm (786). One end of the worm (786) is fixedly connected to the output end of the fan (74).

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