A cutting device for pipe processing and a method of using the same

Abstract

The present invention relates to the technical field of cutting devices for pipe processing, and more specifically, to a cutting device for pipe processing and a method of using the same, comprising a cutting machine body, a fixed frame, a mobile structure, a height adjustment structure, a guide structure, a fixed structure, a connecting rod, a limit structure, a wiring rack and a laser cutting head. The connecting rod at the bottom is connected to the height adjustment structure, so that the position of the guide structure at the bottom can be precisely adjusted through the height adjustment structure, so that the adjustment accuracy is higher, and the guide structure at the top can be automatically driven to fix the pipe. At the same time, the fixed structure can indicate the resistance pressure to prevent the pipe from being damaged due to excessive resistance, thereby improving the fixing quality of the pipe. After the guide structure contacts the pipe, the friction between the guide structure and the pipe increases, and during the movement of the pipe, the mobile structure is driven to work, so that the laser cutting head and the pipe move synchronously, so that the structure is simple, easy to repair and maintain, and the cutting efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cutting devices for pipeline processing, in particular to a cutting device for pipeline processing and a use method thereof. Background Art

[0002] Underground plastic pipes are widely used in municipal renovation projects, construction, industrial and agricultural drainage, agricultural water-saving irrigation, sewage treatment projects and other fields. They are the best alternatives to traditional cement pipes, cast iron pipes and other pipes made of other materials. After winding pipes, corrugated pipes, high-impact reinforced pipes and reinforced pipes are formed by forming machines, they all need to be cut using cutting equipment. Saw disc cutting machines and laser cutting machines are often used to cut pipes. Laser cutting is usually generated by CO2 lasers, fiber lasers or solid lasers. The laser beam is transmitted through optical fibers or lenses to ensure that the laser beam can accurately irradiate the surface of the material to be cut. The laser is changed from a linear beam to a focused beam through a convex lens or a plane mirror to increase the energy density of the laser beam. When the laser beam is irradiated to the surface of the material, the local area of ​​the material is heated and melted or vaporized to form a molten pool. At the same time, the laser cutting head sprays high-pressure gas to blow away the molten material in the molten pool to achieve cutting.

[0003] A pipeline conveying component is provided in the pipeline forming equipment. The pipeline is cut by the laser cutting head during the movement of the pipeline. Therefore, a moving component needs to be set on the cutting machine to ensure that the laser cutting head moves synchronously with the pipeline to ensure that the port is flush. Usually, a motor is used to drive the screw rod, so that the screw rod drives the slider, and the slider drives the laser cutting head to achieve the synchronous movement of the laser cutting head. Many electrical components are required, and the motor speed needs to be adjusted according to the pipeline forming speed. The debugging is cumbersome and the screw rod needs to be maintained regularly. At the same time, a support component will be set inside the cutting machine to support the pipeline to make it stable during the cutting process. The transmission method of the screw rod slider is mostly used to adjust the height of the rubber roller. Although the operation accuracy is high, the operation efficiency is low. When producing different types of pipelines, it takes a lot of time to rotate the screw rod, which affects the operation efficiency. In order to make the cutting stable, a hydraulic rod will be set on the top. The end of the hydraulic rod is connected to another rubber roller so that the rubber roller contacts the pipeline. When the rubber strip material is bonded to the pipeline during the rotation of the pipeline, the rubber roller is not provided with a pressure relief component, so that the pipeline is squeezed and damaged, affecting the pipeline forming quality. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a cutting device for pipe processing and a method for using the same.

[0005] The technical solution adopted by the present invention to solve the technical problem is: a cutting device for pipe processing, comprising a cutting machine body, a fixed frame is installed on the cutting machine body, a movable structure is installed on the fixed frame, the movable structure comprises a mounting frame, and the mounting frame is fixed to the fixed frame; four guide rods are fixed on the mounting frame, both ends of the guide rods are provided with a first spring, two symmetrically arranged slides are slidably provided at both ends of the guide rods, a first spring is provided between the slide and the mounting frame, a reinforcement frame is fixed between the two slides, a wiring frame with a hollow interior is installed on the reinforcement frame, and a laser cutting head is fixed at the bottom end of the wiring frame;

[0006] The bottom and top ends of the slide are respectively provided with a height adjustment structure and a fixing structure, and both the height adjustment structure and the fixing structure are connected with a connecting rod; the connecting rod is provided with a guide structure, and the connecting rod and the guide structure are limited by a limiting structure.

[0007] Specifically, cover plates are bolted on both sides of the cutting machine body, and a circular hole is provided at the center of the cover plates.

[0008] Specifically, the height adjustment structure includes a sliding frame, the bottom end of the sliding frame is fixed with the sliding frame, the connecting rod at the bottom end is slidably connected to the sliding frame, and a screw rod is rotatably provided on the sliding frame, and the screw rod is threadedly connected to the connecting rod at the bottom end.

[0009] Specifically, the guide structure includes a sliding sleeve, the connecting rod is slidably provided with the sliding sleeve, a bracket is fixed on the sliding sleeve, two rotating shafts are rotatably provided on the bracket, and rubber rollers are fixed at both ends of the rotating shafts.

[0010] Specifically, the limiting structure includes a limiting rod and a plurality of limiting holes; the connecting rod is provided with a plurality of limiting holes at equal intervals, a limiting rod with a U-shaped structure is slidably provided on the sliding sleeve, and the limiting rod is engaged with one of the limiting holes.

[0011] Specifically, an anti-drop plate is fixed on the limit rod, the limit rod passes through the second spring, two ends of the second spring respectively abut against the anti-drop plate and the sliding sleeve, and a wedge block is fixed on the limit rod.

[0012] Specifically, the fixing structure includes a hydraulic rod, the slide is fixed with a hydraulic rod, the telescopic end of the hydraulic rod is fixed with a connecting sleeve, the connecting sleeve is slidably connected to the connecting rod at the top, and a pressure relief spring is provided between the connecting sleeve and the connecting rod at the top.

[0013] Specifically, a sliding rod is provided on the sliding frame, the connecting sleeve is slidably connected to the sliding rod, and an anti-dropping block is fixed to the bottom end of the sliding rod.

[0014] Specifically, a pointer is fixed on the connecting rod at the top, a scale bar is fixed on the connecting sleeve, and the pointer and the scale bar are arranged correspondingly.

[0015] A method for using a cutting device for pipe processing comprises the following steps:

[0016] S1: First, adjust the position of the guide structure according to the size of the pipeline, and roughly adjust the position of the connecting rod and the guide structure through the limit structure;

[0017] S2: Fine adjustment of the position of the guide structure at the bottom through the height adjustment structure;

[0018] S3: When cutting the pipe, the fixed structure drives the guide structure at the top to contact the pipe. The guide structure clamps the pipe to increase the friction force. The moving structure is driven to work during the movement of the pipe, so that the position of the laser cutting head remains unchanged relative to the position of the pipe, and the pipe is cut by the laser cutting head.

[0019] The beneficial effects of the present invention are:

[0020] (1) In the cutting device for pipe processing and the method for using the same described in the present invention, the connecting rod and the guide structure are limited by a limiting structure, which facilitates rapid adjustment of the relative positions of the two guide structures, facilitates support for pipes of different diameters, and improves operating efficiency.

[0021] (2) The present invention discloses a cutting device for pipe processing and a method for using the same, wherein the connecting rod at the bottom is connected to a height adjustment structure, so that the position of the guide structure at the bottom can be precisely adjusted through the height adjustment structure, thereby improving the adjustment accuracy; the connecting rod at the top is connected to a fixing structure, so that the guide structure at the top can be automatically driven to fix the pipe; and the fixing structure can indicate the resistance pressure, thereby preventing the pipe from being damaged due to excessive resistance force, thereby improving the fixing quality of the pipe.

[0022] (3) The present invention discloses a cutting device for pipe processing and a method for using the same. When the fixed structure at the top drives the guide structure to contact the pipe, the friction between the guide structure and the pipe increases. During the movement of the pipe, the movable structure is driven to work, so that the wiring rack on the movable structure moves synchronously, and the laser cutting head moves synchronously with the pipe, which makes the structure simple, facilitates inspection and maintenance, and improves cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Figure 1 A schematic diagram of the overall structure of a preferred embodiment of a pipe processing cutting device provided by the present invention;

[0025] Figure 2 for Figure 1 An enlarged schematic diagram of the structure of section A is shown;

[0026] Figure 3 for Figure 2 An enlarged schematic diagram of the structure of part B is shown;

[0027] Figure 4 It is a schematic diagram of the connection structure between the slide and the fixed structure of the present invention;

[0028] Figure 5 is a cross-sectional view of the slide of the present invention;

[0029] Figure 6 for Figure 5 An enlarged schematic diagram of the C-section structure is shown;

[0030] Figure 7 for Figure 5 An enlarged schematic diagram of the D-section structure is shown;

[0031] Figure 8 for Figure 7 An enlarged schematic diagram of the structure of part E is shown;

[0032] Fig. 9 It is a schematic diagram of the connection structure between the fixing frame and the installation frame of the present invention;

[0033] Fig.10 It is a structural schematic diagram of the limiting structure of the present invention;

[0034] Fig.11 It is a schematic diagram of the connection structure between the limit rod and the wedge block of the present invention.

[0035] In the figure: 1. cutting machine body; 2. cover plate; 3. fixed frame; 4. moving structure; 401. installation frame; 402. guide rod; 403. first spring; 404. slide frame; 405. reinforcement frame; 5. height adjustment structure; 501. slide frame; 502. screw rod; 6. guide structure; 601. slide sleeve; 602. rubber roller; 603. bracket; 604. rotating shaft; 7. fixed structure; 701. hydraulic rod; 702. slide rod; 703. anti-slip block; 704. connecting sleeve; 705. scale bar; 706. pointer; 707. pressure relief spring; 8. connecting rod; 9. limiting structure; 901. limiting rod; 902. wedge block; 903. second spring; 904. anti-slip plate; 905. limiting hole; 10. wiring rack; 11. laser cutting head. DETAILED DESCRIPTION

[0036] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0037] like Figure 1-Figure 11 As shown, a pipe processing cutting device according to the present invention comprises a cutting machine body 1, a fixing frame 3 is mounted on the cutting machine body 1, a moving structure 4 is mounted on the fixing frame 3, and the moving structure 4 comprises a mounting frame 401, and the mounting frame 401 is fixed to the fixing frame 3; four guide rods 402 are fixed on the mounting frame 401, and first springs 403 are arranged at both ends of the guide rods 402, and two symmetrically arranged slides 404 are slidably arranged at both ends of the guide rods 402, and the slides 404 are symmetrically arranged with the mounting frame 401. 01, a first spring 403 is provided between the two slides 404, a reinforcement frame 405 is fixed between the two slides 404, an internally hollow wiring rack 10 is installed on the reinforcement frame 405, and a laser cutting head 11 is fixed at the bottom end of the wiring rack 10; the bottom and top ends of the slides 404 are respectively provided with a height adjustment structure 5 and a fixing structure 7, and the height adjustment structure 5 and the fixing structure 7 are both connected with a connecting rod 8; the connecting rod 8 is provided with a guide structure 6, and the connecting rod 8 and the guide structure 6 are limited by a limiting structure 9;

[0038] The guide structure 6 includes a sleeve 601, on which the connecting rod 8 is slidably provided with the sleeve 601, on which a bracket 603 is fixed, on which two rotating shafts 604 are rotatably provided, and on both ends of the rotating shaft 604, rubber rollers 602 are fixed; when the rubber roller 602 at the top contacts the pipeline, the friction between the rubber roller 602 and the pipeline increases, and the rubber roller 602 is driven during the movement of the pipeline, so that the rubber roller 602 drives the bracket 603, and the bracket 603 drives the sleeve 601 and the connecting rod 8 to move, so that the slide 404 and the guide rod 402 slide, so that the first spring 403 at the right end is compressed, and the first spring 403 at the left end is extended, so that the slide 404 and the reinforcement frame 405 move synchronously with the pipeline, so that the laser cutting head 11 moves synchronously with the pipeline, so that the structure is simple, easy to repair and maintain, and the cutting efficiency is improved.

[0039] Specifically, the limiting structure 9 includes a limiting rod 901 and a plurality of limiting holes 905; the connecting rod 8 is provided with a plurality of limiting holes 905 at equal intervals, the sliding sleeve 601 is slidably provided with a limiting rod 901 of a U-shaped structure, the limiting rod 901 is engaged with one of the limiting holes 905, an anti-slip plate 904 is fixed on the limiting rod 901, the limiting rod 901 penetrates the second spring 903, the two ends of the second spring 903 respectively abut against the anti-slip plate 904 and the sliding sleeve 601, and a wedge block 902 is fixed on the limiting rod 901;

[0040] The position of the rubber roller 602 is adjusted according to the diameter of the pipe, and a screwdriver is used to contact the wedge block 902. The screwdriver contacts the wedge block 902, so that the wedge block 902 drives the limit rod 901 to slide outward. When the screwdriver passes through the wedge block 902, the screwdriver is between the wedge block 902 and the sliding sleeve 601, thereby preventing the limit rod 901 from resetting. The limit rod 901 and the limit hole 905 are not engaged, and the limit rod 901 drives the anti-slip plate 904 to contact the first The second spring 903 is compressed to facilitate the sliding sleeve 601, and the sliding sleeve 601 and the connecting rod 8 are slid to move the rubber roller 602 to a suitable position. The screwdriver is pulled out, and the second spring 903 extends and resets. The second spring 903 contacts the anti-slip plate 904, so that the anti-slip plate 904 drives the limiting rod 901 to engage with the limiting hole 905, so that the four rubber rollers 602 can be on the circumference of the pipe; thereby facilitating the support and guidance of pipes of different diameters, thereby improving the operational flexibility.

[0041] Specifically, cover plates 2 are bolted to both sides of the cutting machine body 1 , and a circular hole is provided at the center of the cover plate 2 to facilitate shielding the interior of the cutting machine body 1 .

[0042] Specifically, the height adjustment structure 5 includes a sliding frame 501, the sliding frame 501 is fixed at the bottom end of the sliding frame 404, the connecting rod 8 at the bottom is slidably connected to the sliding frame 501, and a screw rod 502 is rotatably provided on the sliding frame 404, and the screw rod 502 is threadedly connected to the connecting rod 8 at the bottom; then the screw rod 502 is rotated, and the screw rod 502 threadably drives the connecting rod 8 at the bottom and the sliding frame 501 to slide, thereby facilitating the precise adjustment of the positions of the two rubber rollers 602 at the bottom.

[0043] Specifically, the fixed structure 7 includes a hydraulic rod 701, the hydraulic rod 701 is fixed on the slide 404, a connecting sleeve 704 is fixed to the telescopic end of the hydraulic rod 701, the connecting sleeve 704 is slidably connected to the connecting rod 8 at the top, a pressure relief spring 707 is provided between the connecting sleeve 704 and the connecting rod 8 at the top, a sliding rod 702 is provided on the slide 404, the connecting sleeve 704 is slidably connected to the sliding rod 702, an anti-slip block 703 is fixed to the bottom end of the sliding rod 702, a pointer 706 is fixed to the connecting rod 8 at the top, a scale bar 705 is fixed to the connecting sleeve 704, and the pointer 706 and the scale bar 707 are connected. 05 corresponding setting; when it is necessary to cut the pipeline, the hydraulic rod 701 is extended to drive the connecting sleeve 704 to slide downward, so that the connecting sleeve 704 and the sliding rod 702 slide. The setting of the sliding rod 702 makes the sliding of the connecting sleeve 704 more stable. When the rubber roller 602 at the top contacts the pipeline, the sliding sleeve 601 at the top drives the connecting rod 8 and the connecting sleeve 704 to slide, so that the pressure relief spring 707 is deformed to prevent the pipeline from being damaged by excessive pressure. When the connecting rod 8 and the connecting sleeve 704 slide, the position of the pointer 706 corresponding to the scale bar 705 changes, which is convenient for intuitively reflecting the size of the resistance force and adjusting the position of the connecting rod 8 and the sliding sleeve 601 according to actual conditions.

[0044] A method for using a cutting device for pipe processing comprises the following steps:

[0045] S1: First, adjust the position of the guide structure 6 according to the size of the pipeline, and roughly adjust the position of the connecting rod 8 and the guide structure 6 through the limiting structure 9;

[0046] S2: finely adjusting the position of the guide structure 6 at the bottom through the height adjustment structure 5;

[0047] S3: When cutting the pipe, the fixed structure 7 drives the guide structure 6 at the top to resist the pipe. The guide structure 6 clamps the pipe to increase the friction force. The moving structure 4 is driven to work during the movement of the pipe, so that the position of the laser cutting head 11 remains unchanged relative to the position of the pipe, and the pipe is cut by the laser cutting head 11.

[0048] When the present invention is used, the position of the rubber roller 602 is first adjusted according to the diameter of the pipe, and a screwdriver is used to abut the wedge block 902. The screwdriver abuts the wedge block 902, so that the wedge block 902 drives the limit rod 901 to slide outward. When the screwdriver passes through the wedge block 902, the screwdriver is between the wedge block 902 and the sliding sleeve 601, thereby preventing the limit rod 901 from resetting, and the limit rod 901 and the limit hole 905 are not engaged. The limit rod 901 drives the anti-drop plate 904, so that the anti-drop plate 904 04 resists the compression of the second spring 903, which is convenient for sliding the sliding sleeve 601, slides the sliding sleeve 601 and the connecting rod 8, moves the rubber roller 602 to a suitable position, pulls out the screwdriver, and the second spring 903 stretches and resets. The second spring 903 resists the anti-slip plate 904, so that the anti-slip plate 904 drives the limiting rod 901 to engage with the limiting hole 905, so that the four rubber rollers 602 can be on the circumference of the pipeline; thereby facilitating the support and guidance of pipelines of different diameters, and improving the operational flexibility;

[0049] Then, the screw rod 502 is rotated, and the screw rod 502 thread drives the connecting rod 8 at the bottom and the sliding frame 501 to slide, so as to facilitate the precise adjustment of the positions of the two rubber rollers 602 at the bottom; when it is necessary to cut the pipeline, the hydraulic rod 701 is extended to drive the connecting sleeve 704 to slide downward, so that the connecting sleeve 704 and the sliding rod 702 slide. The setting of the sliding rod 702 makes the sliding of the connecting sleeve 704 more stable. When the rubber roller 602 at the top contacts the pipeline, the sliding sleeve 601 at the top drives the connecting rod 8 and the connecting sleeve 704 to slide, so that the pressure relief spring 707 is deformed to prevent the pipeline from being damaged by excessive pressure. When the connecting rod 8 and the connecting sleeve 704 slide, the position of the pointer 706 corresponding to the scale bar 705 changes, so as to facilitate the intuitive reaction of the resistance force, and facilitate the adjustment of the position of the connecting rod 8 and the sliding sleeve 601 according to the actual situation;

[0050] When the rubber roller 602 at the top hits the pipe, the friction between the rubber roller 602 and the pipe increases, and the rubber roller 602 is driven during the movement of the pipe, so that the rubber roller 602 drives the bracket 603, and the bracket 603 drives the sliding sleeve 601, the connecting rod 8, the connecting sleeve 704 and its sliding frame 501 to move, so that the slide 404 and the guide rod 402 slide, so that the first spring 403 at the right end is compressed, and the first spring 403 at the left end is extended, so that the slide 404, the reinforcement frame 405 and the pipe move synchronously, and the laser cutting head 11 moves synchronously with the pipe, so that the structure is simple, easy to repair and maintain, and the cutting efficiency is improved.

[0051] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0052] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A cutting device for pipe processing, characterized in that: The invention comprises a cutting machine body (1), wherein a fixed frame (3) is installed on the cutting machine body (1), wherein a movable structure (4) is installed on the fixed frame (3), wherein the movable structure (4) comprises a mounting frame (401), wherein the mounting frame (401) is fixed to the fixed frame (3); wherein four guide rods (402) are fixed on the mounting frame (401), wherein both ends of the guide rods (402) are provided with a first spring (403), wherein two symmetrically arranged slides (404) are slidably provided at both ends of the guide rods (402), wherein a first spring (403) is provided between the slides (404) and the mounting frame (401), wherein a reinforcement frame (405) is fixed between the two slides (404), wherein an internally hollow wiring rack (10) is installed on the reinforcement frame (405), wherein a laser cutting head (11) is fixed at the bottom end of the wiring rack (10); The bottom end and the top end of the slide (404) are respectively provided with a height adjustment structure (5) and a fixing structure (7), and the height adjustment structure (5) and the fixing structure (7) are both connected with a connecting rod (8); the connecting rod (8) is provided with a guide structure (6), and the connecting rod (8) and the guide structure (6) are limited by a limiting structure (9); The guide structure (6) comprises a sliding sleeve (601), the connecting rod (8) is slidably provided with the sliding sleeve (601), a bracket (603) is fixed on the sliding sleeve (601), two rotating shafts (604) are rotatably provided on the bracket (603), and rubber rollers (602) are fixed at both ends of the rotating shafts (604).

2. A pipe processing cutting device according to claim 1, characterized in that: Cover plates (2) are bolted to both sides of the cutting machine body (1), and a circular hole is provided at the center of the cover plate (2).

3. A pipe processing cutting device according to claim 1, characterized in that: The height adjustment structure (5) comprises a sliding frame (501), the sliding frame (501) is fixed at the bottom end of the sliding frame (404), the connecting rod (8) at the bottom end is slidably connected to the sliding frame (501), and a screw rod (502) is rotatably provided on the sliding frame (404), and the screw rod (502) is threadedly connected to the connecting rod (8) at the bottom end.

4. A pipe processing cutting device according to claim 3, characterized in that: The limiting structure (9) comprises a limiting rod (901) and a plurality of limiting holes (905); the connecting rod (8) is provided with a plurality of limiting holes (905) at equal intervals, a limiting rod (901) of a U-shaped structure is slidably provided on the sliding sleeve (601), and the limiting rod (901) is engaged with one of the limiting holes (905).

5. A pipe processing cutting device according to claim 4, characterized in that: The limiting rod (901) is fixed with an anti-slip plate (904), the limiting rod (901) passes through the second spring (903), the two ends of the second spring (903) respectively abut against the anti-slip plate (904) and the sliding sleeve (601), and the limiting rod (901) is fixed with a wedge block (902).

6. A pipe processing cutting device according to claim 1, characterized in that: The fixed structure (7) comprises a hydraulic rod (701), the hydraulic rod (701) is fixed on the slide (404), a connecting sleeve (704) is fixed to the telescopic end of the hydraulic rod (701), the connecting sleeve (704) is slidably connected to the connecting rod (8) at the top end, and a pressure relief spring (707) is provided between the connecting sleeve (704) and the connecting rod (8) at the top end.

7. A pipe processing cutting device according to claim 6, characterized in that: The slide frame (404) is provided with a slide bar (702), the connecting sleeve (704) is slidably connected to the slide bar (702), and an anti-slip block (703) is fixed at the bottom end of the slide bar (702).

8. A pipe processing cutting device according to claim 6, characterized in that: A pointer (706) is fixed on the connecting rod (8) at the top, a scale bar (705) is fixed on the connecting sleeve (704), and the pointer (706) and the scale bar (705) are arranged correspondingly.

9. A method for using a pipe processing cutting device according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1: First, the position of the guide structure (6) is adjusted according to the size of the pipeline, and the position of the connecting rod (8) and the guide structure (6) is roughly adjusted through the limiting structure (9); S2: finely adjusting the position of the guide structure (6) at the bottom through the height adjustment structure (5); S3: When cutting the pipe, the fixed structure (7) drives the guide structure (6) at the top to contact the pipe, and the guide structure (6) clamps the pipe to increase the friction force. During the movement of the pipe, the moving structure (4) is driven to work, so that the position of the laser cutting head (11) remains unchanged relative to the position of the pipe, and the pipe is cut by the laser cutting head (11).

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