Laser cutting equipment for steel pipe machining

Abstract

The laser cutting equipment for steel pipe machining comprises a machine body and a main control box, one end of the main control box is fixedly connected with a follow-up rotating mechanism, one end of the follow-up rotating mechanism is fixedly connected with a connecting pipe, the other end of the connecting pipe is fixedly connected with a follow-up moving mechanism, and one end of the follow-up moving mechanism is fixedly connected with an adjusting mechanism; the bottom end of the fifth electric telescopic rod is fixedly connected with an air suction shell, the bottom end of the air suction shell is fixedly connected with a negative-pressure suction cup, when the cutting part is cut, the negative-pressure suction cup and the cutting part are sucked together, the cutting part is limited and fixed through the negative-pressure suction cup, and when the cutting part is about to finish cutting, the negative-pressure suction cup is used for sucking the negative-pressure suction cup. Under the action of the pulling force of the negative pressure suction cup, the uncut part of the cutting part cannot generate large pulling stress under the action of the gravity of the cutting part, so that pulling cracks are prevented, and meanwhile, the situation that a wavy uneven surface is formed on the cutting surface due to deformation caused by the gravity can be avoided.

Description

Technical Field

[0001] The invention relates to the technical field of laser cutting, and in particular to laser cutting equipment for steel pipe processing. Background Art

[0002] The laser cutting machine focuses the laser emitted from a laser into a high-power density laser beam through an optical path system. The laser beam irradiates the surface of the workpiece, causing the workpiece to reach its melting point or boiling point. At the same time, high-pressure gas coaxial with the beam blows away the molten or vaporized metal. As the relative position of the beam and the workpiece moves, a cut is eventually formed in the material, thereby achieving the purpose of cutting. Laser cutting machines are also used in steel pipe cutting.

[0003] At present, there are two main ways to cut steel pipes: one is to cut the steel pipe, and the other is to cut off a part of the steel pipe surface. When it is necessary to cut off a part of the steel pipe surface, if the steel pipe is a brittle material, such as some high-hardness alloy steels or quenched steel pipes, the ductility is poor. When the cutting is almost finished, the deadweight of the uncut part of the steel pipe generates tension. Since the material cannot disperse the stress through plastic deformation, it is easy to form stress concentration at the cutting point, resulting in cracking; for steel pipe materials with good toughness, such as ordinary carbon steel pipes, although the material itself can withstand a certain degree of deformation, if the wall thickness of the steel pipe is thin, the diameter is large and the deadweight is large, when the cutting is nearly completed, it may also be cracked due to the tensile force generated by the deadweight exceeding the ultimate strength of the material. For example, when the cutting of a large-diameter thin-walled steel pipe is almost finished, the deadweight of the uncut part acts on the smaller cutting surface, and the tensile stress generated is large, which may cause cracking, and when the cutting of the thin-walled steel pipe is almost finished, the deformation caused by the deadweight will cause the cutting surface to form a wavy uneven surface; Therefore, a laser cutting device for steel pipe processing is proposed to address the above problems. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and effectively solve the problems in the background technology.

[0005] To achieve the above object, the technical solution adopted by the present invention is: A laser cutting device for steel pipe processing comprises a machine body and a main control box, an X-axis moving mechanism is arranged on the inner side of the machine body, a moving seat is spirally connected to the outer side of the X-axis moving mechanism, and the moving seat is slidably connected to the machine body, one end of the moving seat is fixedly connected to a third motor, a main shaft end of the third motor is fixedly connected to a connecting cylinder, the inner sides of both ends of the connecting cylinder are fixedly connected to a sixth electric telescopic rod, one end of the sixth electric telescopic rod is fixedly connected to a clamping block, the top of the machine body is fixedly connected to a main control box, a control panel is arranged on one end of the main control box, a clamping roller is movably arranged on the inner side of the main control box, one end of the main control box is fixedly connected to a Y-axis moving mechanism, and the Y One end of the axis moving mechanism is fixedly connected to the Z-axis moving mechanism, one end of the Z-axis moving mechanism is fixedly connected to the second motor, the spindle end of the second motor is fixedly connected to the laser cutting head, one end of the main control box is fixedly connected to the follow-up mechanism, one end of the follow-up mechanism is fixedly connected to a connecting pipe, the other end of the connecting pipe is fixedly connected to the follow-up mechanism, one end of the follow-up mechanism is fixedly connected to an adjustment mechanism, one end of the adjustment mechanism is fixedly connected to a fifth electric telescopic rod, the bottom end of the fifth electric telescopic rod is fixedly connected to an air suction shell, one end of the air suction shell is connected to an air pipe, the bottom end of the air suction shell is fixedly connected to a negative pressure suction cup, and the negative pressure suction cup is fixedly connected to the air suction shell.

[0006] Preferably, the follow-up mechanism includes a base fixedly connected to the body, one end of the base is fixedly connected to a guide plate, one end of the guide plate is fixedly connected to a guide rail, the outer side of the guide rail is slidably connected to a slider, and one end of the slider is provided with a first brake assembly.

[0007] Preferably, the center of the guide rail is the same as the center of the connecting tube.

[0008] Preferably, the first brake assembly includes a limit block slidably connected to the slider, the top of the limit block is fixedly connected to the first electric telescopic rod, the top of the first electric telescopic rod is fixedly connected to the first fixed plate, and the first fixed plate is fixedly connected to the connecting tube, the bottom end of the limit block is provided with an arc surface adapted to the guide rail, and the limit block is fitted together with the guide rail through the arc surface.

[0009] Preferably, the following mechanism includes a supporting shell fixedly connected to a connecting tube, the top of the supporting shell is fixedly connected to a connecting shell, the inner side of the connecting shell is fixedly connected to a first guide shaft, the outer side of the first guide shaft is slidably connected to a linear bearing, the outer side of the linear bearing is fixedly connected to a following block, and the following block is slidably connected to the connecting shell, a second brake assembly is arranged below the following block, and the following block is fixedly connected to the adjustment mechanism.

[0010] Preferably, the second brake assembly includes a limit plate slidably connected to the connecting shell, the bottom end of the limit plate is fixedly connected to the second electric telescopic rod, the moving part of the second electric telescopic rod is slidably connected to the connecting shell, the bottom end of the second electric telescopic rod is fixedly connected to the second fixed plate, and the second fixed plate is fixedly connected to the connecting pipe.

[0011] Preferably, the adjustment mechanism includes a first motor fixedly connected to the follower block, a first connecting shaft is fixedly connected to the end of the main shaft of the first motor, and the first connecting shaft is rotatably connected to the follower block, the other end of the first connecting shaft is fixedly connected to a first connecting plate, one end of the first connecting plate is fixedly connected to a placement component, one end of the placement component is fixedly connected to a second connecting plate, one end of the second connecting plate is fixedly connected to a second connecting shaft, an outer side of the second connecting shaft is rotatably connected to a transition block, and the transition block is fixedly connected to the fifth electric telescopic rod, and a third brake assembly is provided at one end of the transition block.

[0012] Preferably, the placement assembly includes a first side plate fixedly connected to the first connecting plate, one end of the first side plate is fixedly connected to the third electric telescopic rod, the other end of the third electric telescopic rod is fixedly connected to the second side plate, and the second side plate is fixedly connected to the second connecting plate, one end of the second side plate is fixedly connected to the second guide shaft, and the second guide shaft is slidably connected to the first side plate.

[0013] Preferably, the third brake assembly includes a fixed block fixedly connected to the transition block, a fourth electric telescopic rod is fixedly connected to the inner side of the fixed block, a clamping block is fixedly connected to the other end of the fourth electric telescopic rod, one end of the clamping block is engaged with a limiting ring, and the limiting ring is fixedly connected to the second connecting shaft.

[0014] Preferably, one end of the machine body is fixedly connected to a collecting box, and one end of the collecting box is fixedly connected to a material guiding frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. A laser cutting device for steel pipe processing, which is provided with a rotation mechanism, a movement mechanism, an adjustment mechanism and a negative pressure suction cup. When cutting a cut-off part, the negative pressure suction cup is adsorbed together with the cut-off part, and the cut-off part is limited and fixed by the negative pressure suction cup. When the cut-off part is about to be cut, the uncut part of the cut-off part will not generate a large tensile stress under the action of its own gravity under the pulling force of the negative pressure suction cup, thereby preventing the occurrence of tensile cracks, and also avoiding the deformation caused by its own weight so that the cut surface forms a wavy uneven surface.

[0016] 2. A laser cutting device for processing steel pipes, through the setting of a follow-up mechanism, when the negative pressure suction cup is sucked together with the cutting part, the steel pipe is cut while rotating. Under the action of the follow-up mechanism, the negative pressure suction cup can rotate with the steel pipe, thereby ensuring that the negative pressure suction cup will not be separated from the cutting part, ensuring that the negative pressure suction cup can always limit the cutting part, thereby ensuring normal cutting.

[0017] 3. A laser cutting device for processing steel pipes, which has a following mechanism. When the negative pressure suction cup is sucked together with the cutting part, the steel pipe is cut while being moved horizontally. Under the action of the following mechanism, the negative pressure suction cup can move with the steel pipe, thereby ensuring that the negative pressure suction cup will not be separated from the cutting part, ensuring that the negative pressure suction cup can always limit the cutting part, thereby ensuring normal cutting.

[0018] 4. A laser cutting device for steel pipe processing, through the setting of the adjustment mechanism, when the laser cutting head cuts the cut-off part, by adjusting the position of the second guide shaft and the third electric telescopic rod relative to the follower block, the laser cutting head can cut off a circle of the cut-off part, thereby ensuring the normal cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Figure 1 The figure is a schematic diagram of the overall structure of a laser cutting device for steel pipe processing according to the present invention.

[0021] Figure 2 The present invention is a schematic diagram of the installation structure of a laser cutting device for steel pipe processing during use.

[0022] Figure 3 The present invention is a schematic diagram of the installation structure of a guide rail of a laser cutting device for steel pipe processing.

[0023] Figure 4 The present invention is a schematic diagram of the installation structure of a negative pressure suction cup of a laser cutting device for steel pipe processing.

[0024] Figure 5 The present invention is a schematic diagram of the installation structure of a linear bearing of a laser cutting device for steel pipe processing.

[0025] Figure 6 The present invention is a schematic diagram of the installation structure of the first connecting shaft of the laser cutting equipment for steel pipe processing.

[0026] Figure 7 The present invention is a schematic diagram of the installation structure of a follower block of a laser cutting device for steel pipe processing.

[0027] Figure 8 The present invention is a schematic diagram of the installation structure of a limit block of a laser cutting device for steel pipe processing.

[0028] Fig. 9 The present invention is a schematic diagram of the installation structure of a limit plate of a laser cutting device for steel pipe processing.

[0029] In the figure: 1. follow-up mechanism; 101. guide plate; 102. guide rail; 103. slider; 104. limit block; 105. first electric telescopic rod; 106. arc surface; 107. first fixed plate; 108. base.

[0030] 2. Follow-up mechanism; 201. Second fixed plate; 202. Second electric telescopic rod; 203. Limiting plate; 204. Connecting shell; 205. First guide shaft; 206. Linear bearing; 207. Follow-up block; 208. Support shell.

[0031] 3. Adjustment mechanism; 301. First motor; 302. First connecting shaft; 303. First connecting plate; 304. First side plate; 305. Third electric telescopic rod; 306. Second guide shaft; 307. Second side plate; 308. Second connecting plate; 309. Second connecting shaft; 310. Limiting ring; 311. Fixing block; 312. Fourth electric telescopic rod; 313. Block; 314. Transition block.

[0032] 4. The fifth electric telescopic rod; 5. The air suction shell; 6. The negative pressure suction cup; 7. The air pipe; 8. The connecting pipe; 9. Control panel; 10. Machine body; 11. Main control box; 12. Clamping roller; 13. Y-axis moving mechanism; 14. Z-axis moving mechanism; 15. Second motor; 16. Laser cutting head; 17. X-axis moving mechanism; 18. Moving seat; 19. Third motor; 20. Connecting tube; 21. Sixth electric telescopic rod; 22. Clamping block; 23. Collecting box; 24. Material guide frame; 25. Steel pipe; 26. Cutting part. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with specific embodiments, wherein the accompanying drawings are only used for illustrative descriptions and represent only schematic diagrams rather than actual drawings, and should not be understood as limiting the present invention. In order to better illustrate the specific embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second" and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. The present invention is further explained below in conjunction with specific implementation methods.

[0035] Example like Figure 1-Figure 9As shown, a laser cutting device for steel pipe processing includes a machine body 10 and a main control box 11, an X-axis moving mechanism 17 is arranged on the inner side of the machine body 10, a moving seat 18 is spirally connected to the outer side of the X-axis moving mechanism 17, and the moving seat 18 is slidably connected to the machine body 10, one end of the moving seat 18 is fixedly connected to a third motor 19, the spindle end of the third motor 19 is fixedly connected to a connecting tube 20, the inner sides of both ends of the connecting tube 20 are fixedly connected to a sixth electric telescopic rod 21, one end of the sixth electric telescopic rod 21 is fixedly connected to a clamping block 22, the sixth electric telescopic rod 21 with the clamping block 22 can realize the clamping and fixing of the steel pipe 25, and under the action of the X-axis moving mechanism 17, the third motor 19 can be clamped through the clamping block The block 22 moves the steel pipe 25 in the horizontal direction, and the third motor 19 can also rotate the steel pipe 25 through the clamping block 22. The top of the body 10 is fixedly connected to the main control box 11, and one end of the main control box 11 is provided with a control panel 9. The inner side of the main control box 11 is movably provided with a clamping roller 12. The inner side of the main control box 11 is provided with clamping rollers 12 longitudinally and transversely. The steel pipe 25 can be clamped by the clamping rollers 12 arranged longitudinally and transversely, and the clamping method of the clamping rollers 12 is the prior art, which will not be described in detail here. One end of the main control box 11 is fixedly connected to the Y-axis moving mechanism 13, and one end of the Y-axis moving mechanism 13 is fixedly connected to the Z-axis moving mechanism 14, and one end of the Z-axis moving mechanism 14 is fixedly connected to the Y-axis moving mechanism 13. A second motor 15 is fixedly connected to the spindle end of the second motor 15, and a laser cutting head 16 is fixedly connected to the spindle end of the second motor 15. The Y-axis moving mechanism 13 can adjust the horizontal position of the laser cutting head 16, and the Z-axis moving mechanism 14 can adjust the vertical position of the laser cutting head 16. One end of the main control box 11 is fixedly connected to a rotating mechanism 1, and one end of the rotating mechanism 1 is fixedly connected to a connecting pipe 8, and the other end of the connecting pipe 8 is fixedly connected to a moving mechanism 2, and one end of the moving mechanism 2 is fixedly connected to an adjusting mechanism 3, and one end of the adjusting mechanism 3 is fixedly connected to a fifth electric telescopic rod 4, and the bottom end of the fifth electric telescopic rod 4 is fixedly connected to an air intake shell 5, and one end of the air intake shell 5 is connected to an air pipe 7, and the bottom of the air intake shell 5 The end is fixedly connected with a negative pressure suction cup 6, and the negative pressure suction cup 6 is fixedly connected to the suction shell 5; the air pipe 7 is connected to the vacuum pump in the factory, and under the action of the vacuum pump, the negative pressure suction cup 6 can be adsorbed with the cut-off portion 26 on the surface of the steel pipe 25. When the cut-off portion 26 needs to be cut, the negative pressure suction cup 6 and the cut-off portion 26 are adsorbed together, and the cut-off portion 26 is limited and fixed by the negative pressure suction cup 6. When the cut-off portion 26 is about to be cut, the uncut part of the cut-off portion 26 will not generate a large tensile stress under the action of its own gravity under the pulling force of the negative pressure suction cup 6, thereby preventing the occurrence of tensile cracks, and also avoiding the deformation caused by its own weight that causes the cut surface to form a wavy uneven surface.

[0036] As a further improvement of the present invention, Figure 3As shown, the following rotation mechanism 1 includes a base 108 fixedly connected to the body 10, one end of the base 108 is fixedly connected to a guide plate 101, one end of the guide plate 101 is fixedly connected to a guide rail 102, the outer side of the guide rail 102 is slidably connected to a slider 103, and one end of the slider 103 is provided with a first brake assembly. When the negative pressure suction cup 6 and the cutting portion 26 are sucked together, the steel pipe 25 is cut while rotating, and the negative pressure suction cup 6 can be rotated with the steel pipe 25 under the action of the following rotation mechanism 1, thereby ensuring that the negative pressure suction cup 6 will not separate from the cutting portion 26, and ensuring that the negative pressure suction cup 26 can always limit the cutting portion 26, thereby ensuring normal cutting.

[0037] As a further improvement of the present invention, Figure 2 and Figure 3 As shown, the center of the guide rail 102 is the same as the center of the connecting tube 20, ensuring that when the steel tube 25 is clamped on the inner side of the connecting tube 20, the center of the guide rail 102 is the same as the center of the steel tube 25, so that the steel tube 25 can rotate with the negative pressure suction cup 6 at the center of the guide rail 102.

[0038] As a further improvement of the present invention, Figure 8 As shown, the first brake assembly includes a limit block 104 that is slidably connected to the slider 103, the top of the limit block 104 is fixedly connected to the first electric telescopic rod 105, the top of the first electric telescopic rod 105 is fixedly connected to the first fixing plate 107, and the first fixing plate 107 is fixedly connected to the connecting pipe 8, and the bottom end of the limit block 104 is provided with an arc surface 106 that is adapted to the guide rail 102, and the limit block 104 is fitted together with the guide rail 102 through the arc surface 106. When the steel pipe 25 moves axially, the first electric telescopic rod 105 carries the limit block 104 and is fitted together with the guide rail 102 through the arc surface 106. The friction force between the limit block 104 and the guide rail 102 can ensure that there is no relative rotation between the slider 103 and the guide rail 102, thereby ensuring the stability of the negative pressure suction cup 6 during operation.

[0039] As a further improvement of the present invention, Figure 3 , Figure 4 , Figure 5 and Figure 7As shown, the following mechanism 2 includes a supporting shell 208 fixedly connected to the connecting tube 8, the top of the supporting shell 208 is fixedly connected to the connecting shell 204, the inner side of the connecting shell 204 is fixedly connected to the first guide shaft 205, the outer side of the first guide shaft 205 is slidably connected to the linear bearing 206, the outer side of the linear bearing 206 is fixedly connected to the following block 207, and the following block 207 is slidably connected to the connecting shell 204, a second brake assembly is arranged below the following block 207, the following block 207 is fixedly connected to the adjusting mechanism 3, when the negative pressure suction cup 6 is sucked together with the cutting part 26, the steel pipe 25 is cut while moving horizontally, under the action of the following mechanism 2, the negative pressure suction cup 6 can be moved together with the steel pipe 25, thereby ensuring that the negative pressure suction cup 6 will not be separated from the cutting part 26, and ensuring that the negative pressure suction cup 6 can always limit the cutting part 26, thereby ensuring normal cutting.

[0040] As a further improvement of the present invention, Figure 7 and Fig. 9 As shown, the second brake assembly includes a limit plate 203 slidably connected to the connecting shell 204, the bottom end of the limit plate 203 is fixedly connected to the second electric telescopic rod 202, the moving part of the second electric telescopic rod 202 is slidably connected to the connecting shell 204, the bottom end of the second electric telescopic rod 202 is fixedly connected to the second fixing plate 201, and the second fixing plate 201 is fixedly connected to the connecting pipe 8. When the steel pipe 25 does not need to move axially and needs to be cut while rotating, the second electric telescopic rod 202 is first brought into contact with the bottom of the follower block 207 with the limit plate 203, and the friction force between the limit plate 203 and the limit block 207 is used to limit and fix the follower block 207 so that the follower block 207 does not move.

[0041] As a further improvement of the present invention, Figure 3 , Figure 4 and Figure 6 As shown, the adjustment mechanism 3 includes a first motor 301 fixedly connected to the follower block 207, the main shaft end of the first motor 301 is fixedly connected to the first connecting shaft 302, and the first connecting shaft 302 is rotatably connected to the follower block 207, the other end of the first connecting shaft 302 is fixedly connected to the first connecting plate 303, one end of the first connecting plate 303 is fixedly connected to a placement component, one end of the placement component is fixedly connected to a second connecting plate 308, one end of the second connecting plate 308 is fixedly connected to a second connecting shaft 309, the outer side of the second connecting shaft 309 is rotatably connected to a transition block 314, and the transition block 314 is fixedly connected to the fifth electric telescopic rod 4, and one end of the transition block 314 is provided with a third brake assembly. When the laser cutting head 16 cuts the cut-off portion 26, by adjusting the positions of the second guide shaft 306 and the third electric telescopic rod 305 relative to the follower block 207, the laser cutting head 16 can cut off a circle of the cut-off portion 26, thereby ensuring normal cutting.

[0042] As a further improvement of the present invention, Figure 3 , Figure 4 and Figure 6 As shown, the placement assembly includes a first side plate 304 fixedly connected to the first connecting plate 303, one end of the first side plate 304 is fixedly connected to the third electric telescopic rod 305, the other end of the third electric telescopic rod 305 is fixedly connected to the second side plate 307, and the second side plate 307 is fixedly connected to the second connecting plate 308, one end of the second side plate 307 is fixedly connected to the second guide shaft 306, and the second guide shaft 306 is slidably connected to the first side plate 304. After the cutting is completed, the fifth electric telescopic rod 4 moves the completely cut-off cut-off portion 26 upward through the suction shell 5 and the negative pressure suction cup 6 to ensure that the cut-off portion 26 can move horizontally, and then the third electric telescopic rod 305 moves the completely cut-off cut-off portion 26 to the top of the guide frame 24 through the second side plate 307, the second connecting shaft 306, the transition block 314, the fifth electric telescopic rod 4, the suction shell 5 and the negative pressure suction cup 6, and then the negative pressure suction cup 6 stops working, so that the cut-off portion 26 falls onto the guide frame 24.

[0043] As a further improvement of the present invention, Figure 4 and Figure 6 As shown, the third brake assembly includes a fixed block 311 fixedly connected to the transition block 314, the inner side of the fixed block 311 is fixedly connected to the fourth electric telescopic rod 312, the other end of the fourth electric telescopic rod 312 is fixedly connected to the clamping block 313, one end of the clamping block 313 is engaged with a limit ring 310, and the limit ring 310 is fixedly connected to the second connecting shaft 309, and the limit ring 310 and the second connecting shaft 309 are limited and fixed by the friction force between the clamping block 313 and the limit ring 310, thereby ensuring that the negative pressure suction cup 6, the suction shell 5 and the fifth electric telescopic rod 4 will not swing during operation, thereby ensuring the stability of the negative pressure suction cup 6, the suction shell 5 and the fifth electric telescopic rod 4 during operation.

[0044] As a further improvement of the present invention, Figure 1 and Figure 2 As shown, one end of the body 10 is fixedly connected to a collection box 23, and one end of the collection box 23 is fixedly connected to a material guide frame 24. The cut-out portion 26 placed on the material guide frame 24 will slide along the material guide frame 24 to the inner side of the collection box 23, thereby being centrally collected through the collection box 23, without the need for subsequent cleaning, thereby improving work efficiency and facilitating use by staff.

[0045] The first motor 301, the second motor 15, and the third motor 19 are all servo motors; the first electric telescopic rod 105, the second electric telescopic rod 202, the third electric telescopic rod 305, the fourth electric telescopic rod 312, the fifth electric telescopic rod 4, and the sixth electric telescopic rod 21 can be replaced with cylinders or hydraulic rods according to design requirements; Workflow: When the steel pipe 25 needs to be processed and the cut-off portion 26 needs to be cut, the steel pipe 25 is first passed through the clamping rollers 12, and the steel pipe 25 is clamped and fixed by the clamping rollers 12, and the end of the steel pipe 25 is placed between the adjacent clamping blocks 22, and then the six electric telescopic rods 21 with the clamping blocks 22 can clamp and fix the steel pipe 25, and under the action of the X-axis moving mechanism 17, the third motor 19 can move the steel pipe 25 in the horizontal direction through the clamping block 22, and the third motor 19 can also rotate the steel pipe 25 through the clamping block 22; then the fifth electric telescopic rod 4 is adsorbed with the cut-off portion 26 on the surface of the steel pipe 25 through the suction shell 5 with the negative pressure suction cup 6, and then the cut-off portion 26 can be cut by the laser cutting head 16; When it is necessary to cut the cut-off portion 26 along the axial direction of the steel pipe 25, taking the cutting from the left side of the third electric telescopic rod 305 as an example, first, the fourth electric telescopic rod 312 is separated from the limit ring 310 with the block 313, so that the limit ring 310 and the second connecting shaft 309 can rotate, and then the first motor 301 is driven by the first connecting shaft 302 to drive the first connecting plate 303 to rotate 180 degrees counterclockwise, and then the first connecting plate 303 is driven by the first side plate 304 to drive the third electric telescopic rod 305 and the second guide shaft 306 to also turn 180 degrees counterclockwise, and at the same time, the third electric telescopic rod 305 and the second guide shaft 306 will also drive the third electric telescopic rod 305 and the second guide shaft 306 to rotate 180 degrees counterclockwise. The second side plate 307 and the second connecting plate 308 are turned 180 degrees counterclockwise, so that the third electric telescopic rod 305 and the second guide shaft 306 are first located on the right side of the vertical center line of the follower block 207, and then the fourth electric telescopic rod 312 is re-engaged with the limit ring 310 with the clamping block 313, and the limit ring 310 and the second connecting shaft 309 are fixed by the friction between the clamping block 313 and the limit ring 310, so as to ensure that the negative pressure suction cup 6, the suction shell 5 and the fifth electric telescopic rod 4 will not swing during operation, and ensure the stability of the negative pressure suction cup 6, the suction shell 5 and the fifth electric telescopic rod 4 during operation, and then the laser welding can be performed. The joint 16 starts from the left side of the third electric telescopic rod 305 and cuts the cut-off portion 26 along the axial direction of the steel pipe 25. In order to ensure that the steel pipe 25 can move relative to the laser cutting head 16 with the cut-off portion 26 and the negative pressure suction cup 6 under the action of the X-axis moving mechanism 17, the second electric telescopic rod 202 with the limit plate 203 is not in contact with the bottom of the follower block 207, so that the follower block 207 can move along the first guide shaft 205 through the linear bearing 206. When the steel pipe 25 moves along the axial direction of the steel pipe 25 with the cut-off portion 26 and the negative pressure suction cup 6, the negative pressure suction cup 6 will also pass through the suction shell 5, the fifth electric telescopic rod 4, the transition block 314, the first The second connecting plate 308, the second side plate 317, the third electric telescopic rod 305, the first side plate 304, the first connecting plate 303 and the first connecting shaft 302 slide along the first guide shaft 205 with the follower block 207 and the linear bearing 306, thereby ensuring the normal operation of the laser cutting head 16 and the negative pressure suction cup 6, and when the steel pipe 25 moves axially, the first electric telescopic rod 105 with the limit block 104 is attached to the guide rail 102 through the arc surface 106, and the friction between the limit block 104 and the guide rail 102 can ensure that there is no relative rotation between the slider 103 and the guide rail 102, thereby ensuring the stability of the negative pressure suction cup 6 when working;When it is necessary to cut the cut-off portion 26 on the right side of the third electric telescopic rod 305, firstly, the fourth electric telescopic rod 312 is separated from the limit ring 310 with the block 313, so that the limit ring 310 and the second connecting shaft 309 can rotate, and then the first motor 301 is driven by the first connecting shaft 302 to drive the first connecting plate 303 to rotate 180 degrees clockwise, and then the first connecting plate 303 is driven by the third electric telescopic rod 305 and the second guide shaft 306 through the first side plate 304 to also turn 180 degrees clockwise. The telescopic rod 305 and the second guide shaft 306 will also turn 180 degrees clockwise with the second side plate 307 and the second connecting plate 308, so that the third electric telescopic rod 305 and the second guide shaft 306 are again on the left side of the vertical center line of the follower block 207, and then the fourth electric telescopic rod 312 with the clamping block 313 is re-engaged with the limit ring 310, and then the right side of the third electric telescopic rod 305 and the area previously blocked by the third electric telescopic rod 305 can be cut, so as to form a completed cutting seam; When the steel pipe 25 does not need to move axially and needs to be cut while rotating, firstly, the second electric telescopic rod 202 with the limit plate 203 is brought into contact with the bottom of the follower block 207, and the follower block 207 is fixed by the friction between the limit plate 203 and the limit block 207, so that the follower block 207 does not move. Then, the first electric telescopic rod 105 with the limit block 104 is separated from the guide rail 102, so that the slider 103 can slide along the guide rail 102. When the steel pipe 25 with the cutting part 26 and the negative pressure suction cup 6 is When the negative pressure suction cup 6 starts to rotate, it will also rotate normally along the guide rail 102 with the slider 103 through the suction shell 5, the fifth electric telescopic rod 4, the transition block 314, the second connecting plate 308, the second side plate 317, the third electric telescopic rod 305, the first side plate 304, the first connecting plate 303, the first connecting shaft 302, the follower block 207, the linear bearing 306, the first guide shaft 205, the connecting shell 204, the supporting shell 208 and the connecting pipe 8, thereby ensuring the normal operation of the laser cutting head 16 and the negative pressure suction cup 6; After the cutting is completed, the fifth electric telescopic rod 4 moves the completely cut-off portion 26 upward through the air suction shell 5 and the negative pressure suction cup 6 to ensure that the cut-off portion 26 can move horizontally, and then the third electric telescopic rod 305 moves the completely cut-off portion 26 to the top of the material guide frame 24 through the second side plate 307, the second connecting shaft 306, the transition block 314, the fifth electric telescopic rod 4, the air suction shell 5 and the negative pressure suction cup 6, and then the negative pressure suction cup 6 stops working, so that the cut-off portion 26 falls onto the top of the material guide frame 24, and then slides along the material guide frame 24 to the inner side of the collection box 23, so that it is collected centrally through the collection box 23, and no subsequent cleaning is required, thereby improving work efficiency and facilitating use by staff.

[0046] The above is a preferred embodiment of the present invention. The basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the protection scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected. The protection scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A laser cutting device for steel pipe processing, comprising a machine body (10) and a main control box (11), characterized in that: An X-axis moving mechanism (17) is arranged on the inner side of the machine body (10), a moving seat (18) is spirally connected to the outer side of the X-axis moving mechanism (17), and the moving seat (18) is slidably connected to the machine body (10), one end of the moving seat (18) is fixedly connected to a third motor (19), a main shaft end of the third motor (19) is fixedly connected to a connecting tube (20), both ends of the connecting tube (20) are fixedly connected to the inner side of a sixth electric telescopic rod (21), one end of the sixth electric telescopic rod (21) is fixedly connected to a clamping block (22), the top of the machine body (10) is fixedly connected to a main control box (11), one end of the main control box (11) is provided with a control panel (9), a clamping roller (12) is movably arranged on the inner side of the main control box (11), one end of the main control box (11) is fixedly connected to a Y-axis moving mechanism (13), and the Y-axis moving mechanism (13) is fixedly connected to the inner side of the main control box (11). One end of the main control box (11) is fixedly connected to a Z-axis moving mechanism (14), one end of the Z-axis moving mechanism (14) is fixedly connected to a second motor (15), a main shaft end of the second motor (15) is fixedly connected to a laser cutting head (16), one end of the main control box (11) is fixedly connected to a follow-up mechanism (1), one end of the follow-up mechanism (1) is fixedly connected to a connecting pipe (8), the other end of the connecting pipe (8) is fixedly connected to a follow-up mechanism (2), one end of the follow-up mechanism (2) is fixedly connected to an adjustment mechanism (3), one end of the adjustment mechanism (3) is fixedly connected to a fifth electric telescopic rod (4), the bottom end of the fifth electric telescopic rod (4) is fixedly connected to an air suction shell (5), one end of the air suction shell (5) is connected to an air pipe (7), the bottom end of the air suction shell (5) is fixedly connected to a negative pressure suction cup (6), and the negative pressure suction cup (6) is fixedly connected to the air suction shell (5).

2. The laser cutting equipment for steel pipe processing according to claim 1, characterized in that: The follow-up mechanism (1) comprises a base (108) fixedly connected to the machine body (10), one end of the base (108) is fixedly connected to a guide plate (101), one end of the guide plate (101) is fixedly connected to a guide rail (102), the outer side of the guide rail (102) is slidably connected to a slider (103), and one end of the slider (103) is provided with a first brake assembly.

3. The laser cutting equipment for steel pipe processing according to claim 2, characterized in that: The center of the guide rail (102) is the same as the center of the connecting cylinder (20).

4. The laser cutting equipment for steel pipe processing according to claim 2, characterized in that: The first brake assembly comprises a limit block (104) slidably connected to the slider (103); the top end of the limit block (104) is fixedly connected to a first electric telescopic rod (105); the top end of the first electric telescopic rod (105) is fixedly connected to a first fixing plate (107); and the first fixing plate (107) is fixedly connected to the connecting pipe (8); the bottom end of the limit block (104) is provided with an arc surface (106) adapted to the guide rail (102); and the limit block (104) is fitted together with the guide rail (102) via the arc surface (106).

5. The laser cutting equipment for steel pipe processing according to claim 1, characterized in that: The following mechanism (2) comprises a supporting shell (208) fixedly connected to the connecting tube (8), the top end of the supporting shell (208) being fixedly connected to the connecting shell (204), the inner side of the connecting shell (204) being fixedly connected to the first guide shaft (205), the outer side of the first guide shaft (205) being slidably connected to the linear bearing (206), the outer side of the linear bearing (206) being fixedly connected to the following block (207), and the following block (207) being slidably connected to the connecting shell (204), a second brake assembly being arranged below the following block (207), and the following block (207) being fixedly connected to the adjusting mechanism (3).

6. The laser cutting equipment for steel pipe processing according to claim 5, characterized in that: The second brake assembly comprises a limit plate (203) slidably connected to the connecting shell (204); the bottom end of the limit plate (203) is fixedly connected to the second electric telescopic rod (202); the moving part of the second electric telescopic rod (202) is slidably connected to the connecting shell (204); the bottom end of the second electric telescopic rod (202) is fixedly connected to the second fixing plate (201); and the second fixing plate (201) is fixedly connected to the connecting pipe (8).

7. The laser cutting equipment for steel pipe processing according to claim 5, characterized in that: The adjustment mechanism (3) comprises a first motor (301) fixedly connected to a follower block (207); a first connecting shaft (302) is fixedly connected to a main shaft end of the first motor (301); the first connecting shaft (302) is rotatably connected to the follower block (207); a first connecting plate (303) is fixedly connected to the other end of the first connecting shaft (302); a placement component is fixedly connected to one end of the first connecting plate (303); a second connecting plate (308) is fixedly connected to one end of the placement component; a second connecting plate (308) is fixedly connected to one end of the second connecting plate (308); a second connecting shaft (309) is fixedly connected to the outer side of the second connecting shaft (309); the transition block (314) is fixedly connected to the fifth electric telescopic rod (4); and a third brake component is arranged at one end of the transition block (314).

8. The laser cutting equipment for steel pipe processing according to claim 7, characterized in that: The placement assembly comprises a first side plate (304) fixedly connected to a first connecting plate (303); one end of the first side plate (304) is fixedly connected to a third electric telescopic rod (305); the other end of the third electric telescopic rod (305) is fixedly connected to a second side plate (307); the second side plate (307) is fixedly connected to a second connecting plate (308); one end of the second side plate (307) is fixedly connected to a second guide shaft (306); and the second guide shaft (306) is slidably connected to the first side plate (304).

9. The laser cutting equipment for steel pipe processing according to claim 8, characterized in that: The third brake assembly comprises a fixed block (311) fixedly connected to a transition block (314); a fourth electric telescopic rod (312) is fixedly connected to the inner side of the fixed block (311); a clamping block (313) is fixedly connected to the other end of the fourth electric telescopic rod (312); a limit ring (310) is clamped on one end of the clamping block (313); and the limit ring (310) is fixedly connected to the second connecting shaft (309).

10. The laser cutting equipment for steel pipe processing according to claim 1, characterized in that: One end of the machine body (10) is fixedly connected to a collection box (23), and one end of the collection box (23) is fixedly connected to a material guide frame (24).

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