Laser cutting equipment for outdoor metal furniture pipes

Abstract

The invention relates to the technical field of laser cutting, and discloses laser cutting equipment for outdoor metal furniture pipes, in order to solve the technical problem, the invention provides the laser cutting equipment for the outdoor metal furniture pipes, and the laser cutting equipment for the outdoor metal furniture pipes comprises a machining table, and placing grooves are formed in the two sides of the machining table; a rectangular opening is formed in the center of the top of the movable plate, a lifting assembly is fixedly connected to the bottom of the movable plate, and a base is fixedly connected to the bottom of the lifting assembly; one side of the cutting device is fixedly connected with the top of the movable plate; one side of the positioning device is fixedly connected with the inner wall of the placing groove through a bracket; the number of the lifting assemblies is two. According to the laser cutting equipment for the outdoor metal furniture pipe, smoke generated during cutting can be sucked into the air suction pipe from the two sides, and the situation that the path of a laser beam is affected by smoke diffusion can be effectively avoided.

Description

Technical Field

[0001] The invention relates to the technical field of laser cutting, in particular to laser cutting equipment for outdoor metal furniture pipes. Background Art

[0002] As the modern manufacturing industry continues to increase its requirements for processing accuracy, efficiency and quality, laser cutting technology has emerged. Laser cutting uses a high-energy-density laser beam to focus on the surface of the tube, causing the tube material to melt or vaporize instantly, thereby achieving the purpose of cutting. This technology has a high energy density and can accurately control the cutting path. In recent years, the rapid development of the outdoor leisure market has continuously increased the demand for outdoor metal furniture. Consumers have higher and higher requirements for the aesthetics, quality and personalized customization of outdoor metal furniture. Traditional cutting equipment is difficult to meet this diverse market demand. Laser cutting equipment can cut tubes quickly, efficiently and accurately, providing high-quality tube parts for the production of outdoor metal furniture.

[0003] When cutting pipes, existing devices are unable to promptly remove the smoke generated during laser cutting, causing the smoke to diffuse and affect the path of the laser beam. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides: a laser cutting device for outdoor metal furniture pipes, comprising: A processing table, both sides of which are provided with placement grooves; A movable plate, wherein a rectangular opening is opened at the center of the top of the movable plate, a lifting assembly is fixedly connected to the bottom of the movable plate, and a base is fixedly connected to the bottom of the lifting assembly; A cutting device, one side of which is fixedly connected to the top of the movable plate; A positioning device, one side of which is fixedly connected to the inner wall of the placement groove through a bracket; The lifting components are provided in two groups, and the two groups of lifting components are symmetrically distributed at the bottom of the movable plate. One side of the base is fixedly connected to the side of the processing table through a bracket. The positioning devices are provided in two groups and correspond to the placement slots one by one. The cutting device comprises: A top plate, wherein the top of the top plate is fixedly connected to a first electric slide rail through a bracket, the interior of the first electric slide rail is slidably connected to a moving block through an electric slider, and a side of the moving block away from the first electric slide rail is fixedly connected to a sliding platform; Laser cutting assembly, the top of the laser cutting assembly is fixedly connected to the bottom of the sliding table through a bracket, the pipe to be cut is horizontally inserted into the positioning device, and the positioning device is used to position it, and then the lifting assembly is turned on to drive the movable plate to descend to a suitable height. After adjusting the height of the movable plate, the first electric slide rail is turned on, and the moving block is driven to move by the electric slider inside the first electric slide rail. The moving block can drive the laser cutting assembly to move through the sliding table. At the same time, the laser cutting assembly is turned on, and the laser cutting assembly can be used to cut the specified position of the pipe, which is convenient to operate.

[0005] Preferably, one side of the top plate is fixedly connected to the side surface of the movable plate through a bolt and nut assembly, and the moving block passes through the rectangular opening and is slidably connected to the inner wall of the rectangular opening.

[0006] Preferably, the cutting device further comprises a smoke removal device, and the top of the smoke removal device is fixedly connected to the side of the sliding table.

[0007] Preferably, the smoke removal device includes an intake pipe, and the intake pipe is provided with two groups. The two groups of intake pipes are connected by an air supply pipe. The top of the air supply pipe is connected to an intake pump through a connecting pipe, and one side of the intake pipe is connected to an intake nozzle. The outer side of the intake pipe is fixedly connected to a hanging bracket. When the laser cutting component cuts the pipe, the intake pump is turned on, and the intake pump draws the smoke generated during laser cutting into the intake pipe from the intake nozzle, and then enters the air supply pipe from the intake pipe, and finally enters the intake pump from the air supply pipe and is discharged into a smoke treatment device connected to the outside, so that the smoke can be absorbed. Since the intake pipe is provided with two groups and distributed on both sides of the laser cutting component, the smoke generated by the laser cutting component during cutting can be sucked into the intake pipe from both sides, which can effectively prevent the smoke diffusion from affecting the path of the laser beam.

[0008] Preferably, two groups of air pipes are provided, and the two groups of air pipes are symmetrically distributed at both ends of the air intake pipe. Multiple groups of air intake nozzles are provided, and the multiple groups of air intake nozzles are evenly distributed on one side of the air intake pipe. The end of the suspension bracket away from the air intake pipe is fixedly connected to the outer wall of the sliding platform.

[0009] Preferably, the positioning device comprises a positioning cylinder, the top and bottom of the positioning cylinder are both provided with arc-shaped openings, the side of the positioning cylinder is provided with a limited opening, the interior of the limited opening is penetrated by an arc-shaped support frame, one side of the arc-shaped support frame is rotatably connected with a rolling ball through a rotating bracket, the side of the arc-shaped support frame away from the rolling ball is fixedly connected with an electric telescopic rod, one end of the electric telescopic rod away from the arc-shaped support frame is fixedly connected with a limited plate through a bracket, a sliding opening is provided on the side of the limited plate, and a clamping device is penetrated inside the sliding opening, the pipe to be processed passes horizontally from one group of positioning cylinders to another group of positioning cylinders, the electric telescopic rod is turned on, and the arc-shaped support frame is pushed to move by the movable end of the electric telescopic rod, and the arc-shaped support frame drives the rolling ball to gradually press against the outer wall of the pipe to be processed, and the two groups of rolling balls are used to position the middle pipe and fix the pipe inside the positioning cylinder. When the pipe is cut, the two groups of positioning cylinders are used to fix the two ends of the pipe to avoid shaking when cutting the center of the pipe and maintain the stability of the pipe during cutting.

[0010] Preferably, the limiting openings are provided with two groups, which are symmetrically distributed on both sides of the positioning cylinder, one end of the positioning cylinder is fixedly connected to the inner wall of the placement groove, and the sliding openings are provided with two groups, which are symmetrically distributed on the limiting plate.

[0011] Preferably, the clamping device includes a second electric slide rail, the interior of the second electric slide rail is slidably connected to a slide plate via an electric slider, the outer side of the second electric slide rail is fixedly connected to a limiting bracket, the side of the slide plate away from the second electric slide rail is fixedly connected to a reinforcement plate, one side of the reinforcement plate is fixedly connected to a support rod, the outer side of the support rod is sleeved and fixedly connected to a rubber sleeve, the second electric slide rail is opened, the slide plate is driven to move by the electric slider inside the second electric slide rail, the slide plate drives the reinforcement plate to move, the reinforcement plate drives the rubber sleeve to move via the support rod, so that the rubber sleeves at the top and bottom of the positioning tube are squeezed toward the center at the same time, and the tube is clamped by utilizing the extrusion force of the rubber sleeve on the outer wall of the tube, which can adapt to tubes of different diameters and maintain the clamping efficiency for tubes of different diameters.

[0012] Preferably, the slide plate passes through the slide opening and is slidably connected to the inner wall of the slide opening, the end of the limit bracket is fixedly connected to the side of the limit plate, one side of the limit bracket is fixedly connected to the inner wall of the placement groove through the bracket, and the second electric slide rails are provided with two groups, and the two groups of the second electric slide rails are symmetrically distributed at both ends of the support rod, and the support rod is provided with multiple groups.

[0013] The present invention provides a laser cutting device for outdoor metal furniture pipes. It has the following beneficial effects: 1. This kind of laser cutting equipment for outdoor metal furniture pipes, through the installation of the cutting device, the pipe to be cut is horizontally inserted into the positioning device, and the positioning device is used to position it, and then the lifting component is turned on to drive the movable plate to descend to a suitable height. After adjusting the height of the movable plate, the first electric slide rail is turned on, and the electric slider inside the first electric slide rail drives the moving block to move. The moving block can drive the laser cutting component to move through the sliding table. At the same time, the laser cutting component is turned on, and the laser cutting component can be used to cut the specified position of the pipe, which is convenient to operate.

[0014] 2. This kind of laser cutting equipment for outdoor metal furniture pipes is equipped with a smoke removal device. When the laser cutting component cuts the pipe, the suction pump is turned on. The suction pump draws the smoke generated during laser cutting from the suction nozzle into the suction pipe, and then enters the air supply pipe from the suction pipe. Finally, the smoke enters the suction pump from the air supply pipe and is discharged into the smoke treatment equipment connected to the outside, so that the smoke can be absorbed. Since there are two groups of suction pipes and they are distributed on both sides of the laser cutting component, the smoke generated by the laser cutting component during cutting can be sucked into the suction pipes from both sides, which can effectively prevent the smoke diffusion from affecting the path of the laser beam.

[0015] 3. This kind of laser cutting equipment for outdoor metal furniture pipes, through the installation of the positioning device, the pipe to be processed is horizontally passed from one group of positioning cylinders to another group of positioning cylinders, the electric telescopic rod is turned on, and the movable end of the electric telescopic rod is used to push the arc support frame to move, and the arc support frame drives the rolling ball to gradually press against the outer wall of the pipe to be processed, and the two groups of rolling balls are used to position the middle pipe and fix the pipe inside the positioning cylinder. When cutting the pipe, the two groups of positioning cylinders are used to fix the two ends of the pipe to avoid shaking when cutting the center of the pipe and maintain the stability of the pipe during cutting.

[0016] 4. This laser cutting equipment for outdoor metal furniture pipes, through the installation of the clamping device, opens the second electric slide rail, and drives the slide plate to move through the electric slider inside the second electric slide rail, and the slide plate drives the reinforcement plate to move, and the reinforcement plate drives the rubber sleeve to move through the support rod, so that the rubber sleeves at the top and bottom of the positioning tube are squeezed toward the center at the same time, and the rubber sleeve is used to clamp the outer wall of the pipe by squeezing the pipe. It can adapt to pipes of different diameters and can maintain the clamping efficiency of pipes of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the laser cutting equipment for outdoor metal furniture pipes of the present invention; Figure 2 It is a structural schematic diagram of the processing table of the present invention; Figure 3 It is a structural schematic diagram of the movable plate of the present invention; Figure 4 It is a structural schematic diagram of the sliding table of the present invention; Figure 5 It is a schematic diagram of the structure of the air intake pipe of the present invention; Figure 6 It is a structural schematic diagram of the positioning tube of the present invention; Figure 7 It is a structural schematic diagram of the rolling ball of the present invention; Figure 8 It is a schematic structural diagram of the rubber sleeve of the present invention.

[0018] In the figure: 1. processing table; 2. placement groove; 3. movable plate; 4. rectangular opening; 5. lifting assembly; 6. base; 7. cutting device; 71. top plate; 72. first electric slide rail; 73. moving block; 74. sliding table; 75. laser cutting assembly; 76. smoke removal device; 761. suction pipe; 762. gas pipe; 763. suction pump; 764. suction nozzle; 765. hanging bracket; 8. positioning device; 81. positioning cylinder; 82. arc opening; 83. limit opening; 84. arc support frame; 85. rolling ball; 86. electric telescopic rod; 87. limit plate; 88. sliding mouth; 89. clamping device; 891. second electric slide rail; 892. sliding plate; 893. limit bracket; 894. reinforcement plate; 895. support rod; 896. rubber sleeve. DETAILED DESCRIPTION

[0019] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

[0020] For the first embodiment, please refer to Figure 1-Figure 5 The present invention provides a technical solution: a laser cutting device for outdoor metal furniture pipes, comprising: A processing table 1, with placement slots 2 provided on both sides of the processing table 1; A movable plate 3, a rectangular opening 4 is provided at the center of the top of the movable plate 3, a lifting assembly 5 is fixedly connected to the bottom of the movable plate 3, and a base 6 is fixedly connected to the bottom of the lifting assembly 5; A cutting device 7, one side of which is fixedly connected to the top of the movable plate 3; A positioning device 8, one side of which is fixedly connected to the inner wall of the placement slot 2 through a bracket; There are two sets of lifting components 5, which are symmetrically distributed at the bottom of the movable plate 3. One side of the base 6 is fixedly connected to the side of the processing table 1 through a bracket. There are two sets of positioning devices 8, which correspond to the placement slots 2 one by one. The cutting device 7 comprises: A top plate 71, the top of the top plate 71 is fixedly connected to a first electric slide rail 72 through a bracket, the interior of the first electric slide rail 72 is slidably connected to a moving block 73 through an electric slider, and a side of the moving block 73 away from the first electric slide rail 72 is fixedly connected to a sliding platform 74; The laser cutting assembly 75 has its top fixedly connected to the bottom of the sliding platform 74 via a bracket.

[0021] One side of the top plate 71 is fixedly connected to the side surface of the movable plate 3 through a bolt and nut assembly, and the moving block 73 passes through the rectangular opening 4 and is slidably connected to the inner wall of the rectangular opening 4 .

[0022] The cutting device 7 further includes a smoke removal device 76 , the top of which is fixedly connected to the side of the sliding platform 74 .

[0023] The smoke removal device 76 includes an air intake pipe 761, which is provided with two groups. The two groups of air intake pipes 761 are connected by an air supply pipe 762. The top of the air supply pipe 762 is connected to an air intake pump 763 through a connecting pipe. One side of the air intake pipe 761 is connected to an air intake nozzle 764. The outer side of the air intake pipe 761 is fixedly connected to a hanging bracket 765.

[0024] Two groups of air supply pipes 762 are provided, and the two groups of air supply pipes 762 are symmetrically distributed at both ends of the air intake pipe 761. Multiple groups of air intake nozzles 764 are provided, and the multiple groups of air intake nozzles 764 are evenly distributed on one side of the air intake pipe 761. The end of the suspension bracket 765 away from the air intake pipe 761 is fixedly connected to the outer wall of the sliding platform 74.

[0025] When in use, the worker inserts the pipe to be cut horizontally into the positioning device 8, uses the positioning device 8 to position it, and then turns on the lifting assembly 5 to drive the movable plate 3 to descend to a suitable height. After adjusting the height of the movable plate 3, the first electric slide rail 72 is turned on, and the moving block 73 is driven to move by the electric slider inside the first electric slide rail 72. The moving block 73 can drive the laser cutting assembly 75 to move through the sliding table 74. At the same time, the laser cutting assembly 75 is turned on, and the laser cutting assembly 75 can be used to cut the specified position of the pipe, which is convenient to operate.

[0026] When the laser cutting component 75 is cutting the pipe, the suction pump 763 is turned on. The suction pump 763 draws the smoke generated during the laser cutting from the suction nozzle 764 into the suction pipe 761, and then enters the air supply pipe 762 from the suction pipe 761, and finally enters the suction pump 763 from the air supply pipe 762 and is discharged into the smoke treatment equipment connected to the outside, so that the smoke can be absorbed. Since the suction pipe 761 is provided with two groups and distributed on both sides of the laser cutting component 75, the smoke generated by the laser cutting component 75 during cutting can be sucked into the suction pipe 761 from both sides, which can effectively prevent the smoke diffusion from affecting the path of the laser beam.

[0027] For the second embodiment, please refer to Figure 1-Figure 8 The present invention provides a technical solution: on the basis of the first embodiment, the positioning device 8 includes a positioning cylinder 81, the top and the bottom of the positioning cylinder 81 are both provided with arc-shaped openings 82, the side of the positioning cylinder 81 is provided with a limiting opening 83, the interior of the limiting opening 83 is penetrated by an arc-shaped support frame 84, one side of the arc-shaped support frame 84 is rotatably connected with a rolling ball 85 through a rotating bracket, the side of the arc-shaped support frame 84 away from the rolling ball 85 is fixedly connected with an electric telescopic rod 86, the end of the electric telescopic rod 86 away from the arc-shaped support frame 84 is fixedly connected with a limiting plate 87 through a bracket, the side of the limiting plate 87 is provided with a sliding opening 88, and the interior of the sliding opening 88 is penetrated by a clamping device 89.

[0028] There are two groups of limit openings 83 symmetrically distributed on both sides of the positioning tube 81 . One end of the positioning tube 81 is fixedly connected to the inner wall of the placement groove 2 . There are two groups of sliding openings 88 symmetrically distributed on the limit plate 87 .

[0029] The clamping device 89 includes a second electric slide rail 891, the interior of the second electric slide rail 891 is slidably connected to a slide plate 892 via an electric slider, the outer side of the second electric slide rail 891 is fixedly connected to a limiting bracket 893, the side of the slide plate 892 away from the second electric slide rail 891 is fixedly connected to a reinforcement plate 894, one side of the reinforcement plate 894 is fixedly connected to a support rod 895, and the outer side of the support rod 895 is sleeved and fixedly connected to a rubber sleeve 896.

[0030] The sliding plate 892 passes through the sliding opening 88 and is slidably connected to the inner wall of the sliding opening 88. The end of the limiting bracket 893 is fixedly connected to the side of the limiting plate 87. One side of the limiting bracket 893 is fixedly connected to the inner wall of the placement groove 2 through the bracket. Two groups of second electric slide rails 891 are provided. The two groups of second electric slide rails 891 are symmetrically distributed at both ends of the support rod 895, and the support rod 895 is provided with multiple groups.

[0031] When in use, the pipe to be processed passes horizontally from one group of positioning cylinders 81 to another group of positioning cylinders 81, and the electric telescopic rod 86 is turned on. The arc support frame 84 is pushed to move by the movable end of the electric telescopic rod 86. The arc support frame 84 drives the rolling ball 85 to gradually press against the outer wall of the pipe to be processed. The two groups of rolling balls 85 are used to position the middle pipe and fix the pipe inside the positioning cylinder 81. When cutting the pipe, the two groups of positioning cylinders 81 are used to fix the two ends of the pipe to avoid shaking when cutting the center of the pipe and maintain the stability of the pipe during cutting.

[0032] After the pipe is placed in the positioning cylinder 81, the second electric slide rail 891 is turned on, and the sliding plate 892 is driven to move by the electric slider inside the second electric slide rail 891, and the sliding plate 892 drives the reinforcement plate 894 to move, and the reinforcement plate 894 drives the rubber sleeve 896 to move through the support rod 895, so that the rubber sleeves 896 at the top and bottom of the positioning cylinder 81 are squeezed toward the center at the same time, and the pipe is clamped by the squeezing force of the rubber sleeve 896 on the outer wall of the pipe, which can adapt to pipes of different diameters and maintain the clamping efficiency of pipes of different diameters.

[0033] Working process: the worker inserts the pipe to be cut into the positioning device 8 horizontally, uses the positioning device 8 to position it, and then turns on the lifting component 5 to drive the movable plate 3 to descend to a suitable height. After adjusting the height of the movable plate 3, the first electric slide rail 72 is turned on, and the moving block 73 is driven to move by the electric slider inside the first electric slide rail 72. The moving block 73 can drive the laser cutting component 75 to move through the sliding table 74. At the same time, the laser cutting component 75 is turned on, and the laser cutting component 75 can be used to cut the specified position of the pipe. When the laser cutting component 75 cuts the pipe, the suction pump 763 is turned on. The suction pump 763 draws the smoke generated during laser cutting from the suction nozzle 764 into the suction pipe 761, and then enters the air supply pipe 762 from the suction pipe 761, and finally enters the suction pump 763 from the air supply pipe 762 and is discharged into the smoke treatment equipment connected to the outside, so that the smoke can be absorbed. Since the suction pipe 761 is provided with two groups and distributed on both sides of the laser cutting component 75 The smoke generated by the laser cutting assembly 75 during cutting can be sucked into the suction pipe 761 from both sides. The pipe to be processed passes horizontally from one group of positioning cylinders 81 to another group of positioning cylinders 81. The electric telescopic rod 86 is turned on, and the arc support frame 84 is pushed to move by the movable end of the electric telescopic rod 86. The arc support frame 84 drives the rolling ball 85 to gradually press against the outer wall of the pipe to be processed. The two groups of rolling balls 85 are used to position the pipe in the middle and fix the pipe inside the positioning cylinder 81. When the pipe is cut, Two sets of positioning tubes 81 are used to fix the two ends of the pipe. When the pipe is placed in the positioning tube 81, the second electric slide rail 891 is turned on, and the sliding plate 892 is driven to move by the electric slider inside the second electric slide rail 891. The sliding plate 892 drives the reinforcement plate 894 to move. The reinforcement plate 894 drives the rubber sleeve 896 to move through the support rod 895, so that the rubber sleeves 896 at the top and bottom of the positioning tube 81 are squeezed toward the center at the same time, and the pipe is clamped by the squeezing force of the rubber sleeve 896 on the outer wall of the pipe.

[0034] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention are implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. A laser cutting device for outdoor metal furniture pipes, characterized in that: include: A processing table (1), wherein placement grooves (2) are provided on both sides of the processing table (1); A movable plate (3), wherein a rectangular opening (4) is provided at a central position on the top of the movable plate (3), a lifting assembly (5) is fixedly connected to the bottom of the movable plate (3), and a base (6) is fixedly connected to the bottom of the lifting assembly (5); A cutting device (7), one side of the cutting device (7) being fixedly connected to the top of the movable plate (3); A positioning device (8), one side of the positioning device (8) being fixedly connected to the inner wall of the placement groove (2) via a bracket; The lifting components (5) are provided in two groups, and the two groups of lifting components (5) are symmetrically distributed at the bottom of the movable plate (3); one side of the base (6) is fixedly connected to the side of the processing table (1) through a bracket; and the positioning devices (8) are provided in two groups and correspond one to one with the placement slots (2); The cutting device (7) comprises: A top plate (71), the top of the top plate (71) being fixedly connected to a first electric slide rail (72) via a bracket, the interior of the first electric slide rail (72) being slidably connected to a moving block (73) via an electric slider, and a side of the moving block (73) away from the first electric slide rail (72) being fixedly connected to a sliding platform (74); A laser cutting component (75), wherein the top of the laser cutting component (75) is fixedly connected to the bottom of the sliding platform (74) via a bracket.

2. The laser cutting equipment for outdoor metal furniture pipes according to claim 1, characterized in that: One side of the top plate (71) is fixedly connected to the side of the movable plate (3) via a bolt and nut assembly, and the moving block (73) passes through the rectangular opening (4) and is slidably connected to the inner wall of the rectangular opening (4).

3. The laser cutting equipment for outdoor metal furniture pipes according to claim 1, characterized in that: The cutting device (7) further comprises a smoke removal device (76), the top of the smoke removal device (76) being fixedly connected to the side of the sliding platform (74).

4. The laser cutting device for outdoor metal furniture pipes according to claim 3 is characterized in that: The smoke removal device (76) comprises an air intake pipe (761), wherein two groups of the air intake pipes (761) are provided, and the two groups of the air intake pipes (761) are connected via an air delivery pipe (762), the top of the air delivery pipe (762) is connected to an air intake pump (763) via a connecting pipe, one side of the air intake pipe (761) is connected to an air intake nozzle (764), and the outer side of the air intake pipe (761) is fixedly connected to a suspension bracket (765).

5. The laser cutting device for outdoor metal furniture pipes according to claim 4, characterized in that: Two groups of the air delivery pipes (762) are provided, and the two groups of the air delivery pipes (762) are symmetrically distributed at both ends of the air suction pipe (761). Multiple groups of the air suction nozzles (764) are provided, and the multiple groups of the air suction nozzles (764) are evenly distributed on one side of the air suction pipe (761). One end of the suspension bracket (765) away from the air suction pipe (761) is fixedly connected to the outer wall of the sliding platform (74).

6. The laser cutting device for outdoor metal furniture pipes according to claim 1, characterized in that: The positioning device (8) comprises a positioning tube (81), the top and bottom of the positioning tube (81) are both provided with arc-shaped openings (82), the side of the positioning tube (81) is provided with a limiting opening (83), the inside of the limiting opening (83) is penetrated by an arc-shaped support frame (84), one side of the arc-shaped support frame (84) is rotatably connected to a rolling ball (85) via a rotating bracket, the side of the arc-shaped support frame (84) away from the rolling ball (85) is fixedly connected to an electric telescopic rod (86), one end of the electric telescopic rod (86) away from the arc-shaped support frame (84) is fixedly connected to a limiting plate (87) via a bracket, the side of the limiting plate (87) is provided with a sliding opening (88), and the inside of the sliding opening (88) is penetrated by a clamping device (89).

7. The laser cutting device for outdoor metal furniture pipes according to claim 6, characterized in that: The limiting openings (83) are provided in two groups, and the two groups of limiting openings (83) are symmetrically distributed on both sides of the positioning cylinder (81). One end of the positioning cylinder (81) is fixedly connected to the inner wall of the placement groove (2). The sliding openings (88) are provided in two groups, and the two groups of sliding openings (88) are symmetrically distributed on the limiting plate (87).

8. The laser cutting device for outdoor metal furniture pipes according to claim 6, characterized in that: The clamping device (89) comprises a second electric slide rail (891), the interior of the second electric slide rail (891) being slidably connected to a slide plate (892) via an electric slider, the outer side of the second electric slide rail (891) being fixedly connected to a limiting bracket (893), a side of the slide plate (892) away from the second electric slide rail (891) being fixedly connected to a reinforcing plate (894), one side of the reinforcing plate (894) being fixedly connected to a support rod (895), and a rubber sleeve (896) being sleeved and fixedly connected to the outer side of the support rod (895).

9. The laser cutting device for outdoor metal furniture pipes according to claim 8, characterized in that: The sliding plate (892) passes through the sliding opening (88) and is slidably connected to the inner wall of the sliding opening (88); the end of the limiting bracket (893) is fixedly connected to the side of the limiting plate (87); one side of the limiting bracket (893) is fixedly connected to the inner wall of the placement groove (2) through a bracket; two groups of the second electric slide rails (891) are provided, and the two groups of the second electric slide rails (891) are symmetrically distributed at both ends of the support rod (895); and the support rod (895) is provided with a plurality of groups.

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