Online steel pipe cut-off machine

Abstract

The utility model provides an on-line steel pipe cut-off machine. The on-line steel pipe cut-off machine comprises a base, a movable frame, a guide device, a clamping arm, an adjusting mechanism and a cutting device. The base is arranged, the moving frame is installed on the base, the cutting device used for cutting off the steel pipe is installed on the moving frame, the clamping arms used for clamping the steel pipe are installed on the moving frame, the two clamping arms are arranged in parallel in a spaced mode, and the steel pipe can be clamped between the two clamping arms through the adjusting mechanism. When the steel pipe cutting device is used, a steel pipe can be guided to be conveyed in the length direction of the steel pipe through the guiding device, after the steel pipe is conveyed to a certain length, the clamping space between the two clamping arms is adjusted to be smaller through the adjusting mechanism, the steel pipe is clamped on the moving frame, and then the cutting device is started to cut off the steel pipe. The stability of the relative position between the steel pipe and the cutting device in the length direction of the steel pipe can be improved through the clamping arms, and the cutting quality of the section of the steel pipe is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe processing equipment, and particularly relates to an online steel pipe cutting machine. Background Art

[0002] After the steel pipe is produced and formed, it needs to be cut into specified lengths according to the set dimensions. When the steel pipe is produced, it is conveyed forward along its length direction. Currently, most of them use a moving platform to move together with the produced steel pipe, and a cutting device is installed on the moving platform. The cutting device can rotate around the outer circle of the steel pipe to cut the circumference of the steel pipe. However, currently, only guide rollers are designed on the moving platform to guide the steel pipe. During the cutting process, the steel pipe is prone to displacement relative to the moving platform along the conveying direction of the steel pipe, resulting in an inclined or wavy shape of the cut section. Later, the section of the steel pipe still needs to be reworked, and in severe cases, it will also affect the dimensions of the steel pipe. Summary of the Utility Model

[0003] An embodiment of the utility model provides an online steel pipe cutting machine, aiming to solve the problem of uneven section cutting when the online steel pipe cutting machine in the prior art is working.

[0004] To achieve the above object, the technical solution adopted by the utility model is: providing an online steel pipe cutting machine, including:

[0005] A base;

[0006] A moving frame, installed on the base;

[0007] A guiding device, installed on the moving frame, for guiding the movement of the steel pipe;

[0008] Clamping arms, the number of which is two. The two clamping arms are installed on the moving frame, and the two clamping arms are arranged at intervals to form a clamping space for accommodating the steel pipe;

[0009] An adjusting mechanism, installed between the two clamping arms, for adjusting the distance between the two clamping arms and clamping the steel pipe between the two clamping arms;

[0010] A cutting device, installed on the moving frame, for cutting the steel pipe.

[0011] In a possible implementation manner, the adjusting mechanism includes:

[0012] A pushing member, installed on the moving frame, and the driving end of the pushing member is connected to one of the clamping arms for pushing the clamping arm to move.

[0013] In a possible implementation, the adjusting mechanism further includes a transmission assembly for driving the two clamping arms to move relative to each other. The transmission assembly includes:

[0014] Two racks, respectively fixed to the two clamping arms;

[0015] A transmission wheel, rotatably arranged on the moving frame and meshed with the two racks.

[0016] In a possible implementation, the adjusting mechanism further includes a transmission assembly for driving the two clamping arms to move relative to each other. The transmission assembly includes:

[0017] Two racks, respectively fixed to the two clamping arms;

[0018] A transmission wheel, rotatably arranged on the moving frame and meshed with the two racks.

[0019] In a possible implementation, an installation frame is installed on the moving frame, and the position of the installation frame on the moving frame has the freedom to be adjusted in the vertical direction. The clamping arms and the cutting device are both installed on the installation frame.

[0020] In a possible implementation, a driving rod is rotatably arranged on the moving frame. The axis of the driving rod is arranged in the vertical direction, and the driving rod is threadedly connected to the installation frame.

[0021] In a possible implementation, the cutting device includes:

[0022] A rotating frame, rotatably arranged on the moving frame. A relief hole for avoiding the steel pipe is arranged in the middle of the rotating frame;

[0023] A cutting gun, installed on the rotating frame for cutting the steel pipe;

[0024] A driving assembly, installed between the moving frame and the rotating frame for driving the rotating frame to rotate on the moving frame.

[0025] In a possible implementation, the driving assembly includes:

[0026] A toothed ring, fixedly installed on the rotating frame;

[0027] A driving wheel, rotatably arranged on the moving frame. The driving wheel is meshed with the toothed ring;

[0028] A driving member, installed on the moving frame. The driving end of the driving member is in transmission connection with the driving wheel.

[0029] In a possible implementation, a sliding seat is further installed on the base. The position of the sliding seat on the base has the freedom to be adjusted along the conveying direction of the steel pipe, and the moving frame is installed on the sliding seat.

[0030] In a possible implementation, the position of the moving frame on the sliding seat has the freedom to be adjusted along the arrangement direction of the two clamping arms.

[0031] In a possible implementation, an adjustment module for adjusting the position of the cutting torch is further provided on the rotating frame. The adjustment module includes a first module that moves along a first direction on the rotating frame and a second module that moves along a second direction on the first module. The cutting torch is installed on the moving end of the second module, and the first direction and the second direction are perpendicularly arranged.

[0032] The solution shown in the embodiments of the present application, compared with the prior art, is provided with a base, a moving frame is installed on the base, a cutting device for cutting the steel pipe is installed on the moving frame, and a guiding device for guiding the conveying of the steel pipe is installed on the moving frame. The steel pipe passes through the inside of the moving frame, and clamping arms for clamping the steel pipe are installed on the moving frame. The two clamping arms are arranged in parallel at intervals, and the steel pipe can be clamped between the two clamping arms through an adjustment mechanism. In the present application, during use, the guiding device can be used to guide the steel pipe to be conveyed along its length direction. When it is conveyed to a certain length, the clamping space between the two clamping arms is adjusted to become smaller through the adjustment mechanism, so as to clamp the steel pipe on the moving frame, and then the cutting device is started to cut the steel pipe. Through the arrangement of the clamping arms, the stability of the relative position between the steel pipe and the cutting device along the length direction of the steel pipe can be improved, and the cutting quality of the cross section of the steel pipe can be improved. Description of the Drawings

[0033] Figure 1 It is a schematic structural diagram of an online steel pipe cutting machine provided by an embodiment of the present utility model;

[0034] Figure 2 It is a schematic installation structure diagram of an adjustment mechanism provided by an embodiment of the present utility model;

[0035] Figure 3 It is a schematic structural diagram of a cutting device provided by an embodiment of the present utility model;

[0036] Figure 4 It is a schematic installation structure diagram of a sliding seat provided by an embodiment of the present utility model;

[0037] Figure 5 is Figure 1 A partial enlarged view of part A in

[0038] Description of the reference numerals:

[0039] 1. Base; 11. Sliding seat; 2. Moving frame; 21. Mounting frame; 211. Driving rod; 3. Clamping arm; 31. Adjusting mechanism; 311. Pushing member; 312. Rack; 313. Driving wheel; 4. Guiding device; 41. Guide frame; 42. First guiding roller; 43. Second guiding roller; 5. Cutting device; 51. Rotating frame; 52. Cutting gun; 521. Waterproof protection device; 53. Driving assembly; 531. Tooth ring; 532. Driving wheel; 533. Driving member; 6. Adjusting module; 61. First module; 62. Second module. Detailed implementation manner

[0040] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0041] Please refer to Figures 1 to 5 together, and now the online steel pipe cutting machine provided by the present utility model will be described. The online steel pipe cutting machine includes a base 1, a moving frame 2, a guiding device 4, a clamping arm 3, an adjusting mechanism 31 and a cutting device 5. The moving frame 2 is installed on the base 1; the guiding device 4 is installed on the moving frame 2 and is used for guiding the movement of the steel pipe; the number of clamping arms 3 is two, and the two clamping arms 3 are installed on the moving frame 2, and the two clamping arms 3 are arranged at intervals to form a clamping space for accommodating the steel pipe; the adjusting mechanism 31 is installed between the two clamping arms 3 and is used for adjusting the distance between the two clamping arms 3 and clamping the steel pipe between the two clamping arms 3; the cutting device 5 is installed on the moving frame 2 and is used for cutting the steel pipe.

[0042] Compared with the prior art, the online steel pipe cutting machine provided in this embodiment is provided with a base 1, a moving frame 2 is installed on the base 1, a cutting device 5 for cutting the steel pipe is installed on the moving frame 2, and a guiding device 4 for guiding the conveying of the steel pipe is installed on the moving frame 2. The steel pipe passes through the inside of the moving frame 2, and a clamping arm 3 for clamping the steel pipe is installed on the moving frame 2. The two clamping arms 3 are arranged in parallel at intervals, and the steel pipe can be clamped between the two clamping arms 3 through the adjusting mechanism 31. In this application, when in use, the steel pipe can be guided by the guiding device 4 to be conveyed along its length direction. When it is conveyed to a certain length, the clamping space between the two clamping arms 3 is adjusted to become smaller through the adjusting mechanism 31, so as to clamp the steel pipe on the moving frame 2, and then the cutting device 5 is started to cut the steel pipe. Through the setting of the clamping arm 3, the stability of the relative position between the steel pipe and the cutting device 5 along the length direction of the steel pipe can be improved, and the cutting quality of the cross section of the steel pipe can be improved.

[0043] Specifically, in this embodiment, the length directions of the two clamping arms 3 are arranged in the vertical direction, and the two clamping arms 3 are arranged in parallel at intervals in the horizontal direction.

[0044] In some embodiments, the above-mentioned adjusting mechanism 31 can adopt a structure as shown in Figure 1 , Figure 2 . Referring together to Figure 1 , Figure 2 , the adjusting mechanism 31 includes a pushing member 311. The pushing member 311 is installed on the moving frame 2, and the driving end of the pushing member 311 is connected to one of the clamping arms 3 for pushing the clamping arm 3 to move. The pushing member 311 is a cylinder or a hydraulic cylinder. The fixed end of the pushing member 311 is fixedly installed on the moving frame 2, and the driving end of the pushing member 311 is connected to one of the clamping arms 3 for driving the clamping arm 3 to move on the moving frame 2.

[0045] Optionally, in this embodiment, the number of the pushing members 311 is two, and the two pushing members 311 respectively push the two clamping arms 3 to move.

[0046] In some embodiments, the above-mentioned adjusting mechanism 31 can adopt a structure as shown in Figure 2 . Referring to Figure 2 , the adjusting mechanism 31 further includes a transmission component for driving the two clamping arms 3 to move relatively. The transmission component includes a rack 312 and a transmission wheel 313. The number of the racks 312 is two, and the two racks 312 are respectively fixedly installed on the two clamping arms 3; the transmission wheel 313 is rotatably arranged on the moving frame 2 and is meshed with the two racks 312. The number of the racks 312 is two. A guide sleeve for the sliding of the rack 312 is installed on the moving frame 2. The rack 312 is slidably arranged on the moving frame 2, and one end of the rack 312 is fixedly connected to the clamping arm 3. The two racks 312 are respectively fixedly connected to the two clamping arms 3. And a transmission wheel 313 is installed between the two racks 312. The transmission wheel 313 is rotatably arranged on the clamping arm 3 and is respectively meshed with the two racks 312. When one-sided clamping arm 3 moves, the other clamping arm 3 can move relatively through the transmission between the two racks 312, so as to clamp the steel pipe between the two clamping arms 3.

[0047] Preferably, there are two groups of transmission components, and the two groups of transmission components are respectively located at both ends of the clamping arm 3. Thus, the stable movement of the two clamping arms 3 is ensured.

[0048] Specifically, in this embodiment, the transmission wheel 313 is a gear.

[0049] Specifically, in this embodiment, a fastener is threadedly connected to the end of the rack 312. The fastener is a thread, and the rack 312 can be fixed to the clamping arm 3 through the fastener.

[0050] In some embodiments, the above-mentioned moving frame 2 can adopt the structure as shown in Figure 1 , Figure 2 . Referring to Figure 1 , Figure 2 together, an installation frame 21 is installed on the moving frame 2. The position of the installation frame 21 on the moving frame 2 has the freedom to be adjusted in the vertical direction. Both the clamping arm 3 and the cutting device 5 are installed on the installation frame 21. An installation frame 21 is installed on one side of the moving frame 2, and the installation frame 21 is slidably arranged on the moving frame 2 in the vertical direction. Both the cutting device 5 and the clamping arm 3 are installed on the moving frame 2. During on-site use, the positions of the cutting device 5 and the clamping arm 3 can be adjusted by adjusting the height of the moving frame 2, so as to more effectively adapt to the conveying position of the steel pipes on the steel pipe production line.

[0051] In some embodiments, the above-mentioned installation frame 21 can adopt the structure as shown in Figure 1 . Referring to Figure 1 , a driving rod 211 is rotatably arranged on the moving frame 2. The axis of the driving rod 211 is arranged in the vertical direction, and the driving rod 211 is threadedly connected to the installation frame 21. The driving rod 211 is a screw rod, and the length direction of the driving rod 211 is arranged in the vertical direction. A synchronous motor for driving the driving rod 211 to rotate is also installed on the moving frame 2. The synchronous motor can drive the driving rod 211 to rotate, and the position of the installation frame 21 can be adjusted through the driving rod 211.

[0052] Preferably, in this embodiment, guide plates are arranged at both side edges of the installation frame 21, and guide grooves slidably matched with the guide plates are arranged on the moving frame 2.

[0053] In some embodiments, the above-mentioned cutting device 5 can adopt the structure as shown in Figure 1 , Figure 3 . Referring to Figure 1 , Figure 3 together, the cutting device 5 includes a rotating frame 51, a cutting gun 52 and a driving assembly 53. The rotating frame 51 is rotatably arranged on the moving frame 2, and a relief hole for avoiding the steel pipe is arranged in the middle of the rotating frame 51; the cutting gun 52 is installed on the rotating frame 51 and is used for cutting the steel pipe; the driving assembly 53 is installed between the moving frame 2 and the rotating frame 51 and is used for driving the rotating frame 51 to rotate on the moving frame 2. The rotating frame 51 is rotatably arranged on the moving frame 2 with the axis of the relief hole as the center. A cutting gun 52 is also installed on the rotating frame 51. By rotating the rotating frame 51, the cutting gun 52 can be driven to move along the circumference of the steel pipe, so as to cut the steel pipe.

[0054] Preferably, in this embodiment, the position of the cutting gun 52 on the rotating frame 51 has the freedom to be adjusted in the direction tangent to the relief hole and the freedom to be adjusted in the radial direction of the relief hole, so as to cut square pipes.

[0055] Specifically, in this embodiment, a water-proof protection device 521 for protecting the cutting gun 52 is further provided outside the cutting gun 52.

[0056] In some embodiments, the above-mentioned driving assembly 53 may adopt a structure as Figure 3 shown. Refer to Figure 3 , the driving assembly 53 includes a toothed ring 531, a driving wheel 532 and a driving member 533. The toothed ring 531 is fixedly installed on the rotating frame 51; the driving wheel 532 is rotatably arranged on the moving frame 2, and the driving wheel 532 is meshed with the toothed ring 531; the driving member 533 is installed on the moving frame 2, and the driving end of the driving member 533 is in transmission connection with the driving wheel 532. The driving member 533 is a synchronous motor, the fixed end of the driving member 533 is fixedly installed on the moving frame 2, the driving end of the driving member 533 is in transmission connection with a driving wheel 532, the driving wheel 532 is a gear, and teeth meshing with the driving wheel 532 are arranged on the outer side of the toothed ring 531. When the driving member 533 drives the driving wheel 532 to rotate, the toothed ring 531 can be driven to rotate synchronously, so as to drive the rotating frame 51 to rotate.

[0057] Specifically, in this embodiment, the toothed ring 531 is fixedly connected to the rotating frame 51, and is connected to the moving frame 2 through a bearing, so that the rotating frame 51 can rotate on the moving frame 2.

[0058] In some embodiments, the above-mentioned moving frame 2 may adopt a structure as Figure 1 , Figure 4 shown. Refer to Figure 1 , Figure 4 , a sliding seat 11 is further installed on the base 1, the position of the sliding seat 11 on the base 1 has the freedom to be adjusted along the conveying direction of the steel pipe, and the moving frame 2 is installed on the sliding seat 11. A sliding seat 11 is installed on the base 1, the sliding seat 11 is slidably arranged on the base 1 along the conveying direction of the steel pipe, and a rack is installed on the base 1, the length direction of the rack is arranged along the conveying direction of the steel pipe, and a gear meshing with the rack is further rotatably arranged on the sliding seat 11, and the gear can be driven to rotate by a motor, so as to drive the sliding seat 11 to move.

[0059] Preferably, in this embodiment, the moving speed of the sliding seat 11 is the same as the conveying speed of the steel pipe, and the steel pipe can be cut during the continuous production process of the steel pipe.

[0060] In some embodiments, the above-mentioned moving frame 2 may adopt a structure as Figure 4 shown. Refer to Figure 4, the position of the moving frame 2 on the sliding seat 11 has the freedom to be adjusted along the arrangement direction of the two clamping arms 3. The two clamping arms 3 are arranged at intervals in the horizontal direction, and the arrangement direction of the two clamping arms 3 is set perpendicular to the conveying direction of the steel pipe. Define the arrangement direction of the two clamping arms 3 as the third direction. The moving frame 2 is slidably arranged on the sliding seat 11 in the third direction. A lead screw is rotatably arranged on the sliding seat 11, and a threaded hole threadedly connected to the lead screw is arranged on the moving frame 2. Preferably, a threaded sleeve threadedly connected to the lead screw is installed on the moving frame 2. By rotating the lead screw, the position of the moving frame 2 on the sliding seat 11 in the third direction can be adjusted. Thus, the relative position between the moving frame 2 and the steel pipe during the conveying process can be adjusted to ensure the normal operation of the cutting device 5.

[0061] In some embodiments, the above-mentioned cutting gun 52 can adopt the structure as Figure 3 shown. Refer to Figure 3 , an adjustment module 6 for adjusting the position of the cutting gun 52 is further arranged on the rotating frame 51. The adjustment module 6 includes a first module 61 moving along the first direction on the rotating frame 51 and a second module 62 moving along the second direction on the first module 61. The cutting gun 52 is installed on the moving end of the second module 62. The first direction and the second direction are set perpendicular to each other. The orientation of the nozzle of the cutting gun 52 is set along the second direction. The first direction and the second direction are set perpendicular to each other, and both the first direction and the second direction are set perpendicular to the conveying direction of the steel pipe. When the rotating frame 51 rotates until the adjustment module 6 is located directly above the steel pipe, the first direction is set along the horizontal direction and the second direction is set along the vertical direction. Through the setting of the adjustment module 6, the square pipe can be cut. During use, the position of the cutting gun 52 can be adjusted by the rotating frame 51 so that the nozzle of the cutting gun 52 is perpendicular to the outer side surface of the square pipe. The cutting gun 52 is moved to the steel pipe along the second direction by the second module 62, and then the second module 62 is driven to move along the first direction by the first module 61, so that the cutting gun 52 moves to complete the cutting of the side surface of the steel pipe.

[0062] Specifically, in this embodiment, both the first module 61 and the second module 62 adopt the transmission mode of a lead screw and a nut. The rotation of the lead screw is driven by a motor to drive the nut to move. A first lead screw is rotatably arranged on the rotating frame 51. A moving block is installed on the second module 62, and a first nut threadedly connected to the first lead screw is installed on the moving block. A second lead screw is further rotatably arranged on the moving block, and a second nut threadedly connected to the first lead screw is installed on the cutting gun 52 to complete the movement of the second module 62 and the cutting gun 52. The specific structure is the prior art and will not be elaborated here.

[0063] In some embodiments, the above-mentioned guiding device 4 can adopt the structure as Figure 1 , Figure 5 shown. Refer to togetherFigure 1 , Figure 5 , the guiding device 4 includes a guiding frame 41, a first guiding roller 42 and a second guiding roller 43. The guiding frame 41 is installed on the moving frame 2; the number of the first guiding rollers 42 is two, and they are installed on one side of the guiding frame 41. The axes of the two first guiding rollers 42 are arranged horizontally, and the distance between the two first guiding rollers 42 is adjustable; the number of the second guiding rollers 43 is two, and they are arranged opposite to the first guiding rollers 42 on both sides of the guiding frame 41. The axes of the two second guiding rollers 43 are arranged vertically, and the distance between the two second guiding rollers 43 is adjustable. The guiding frame 41 is installed on one side of the moving frame 2. Preferably, guiding frames 41 are arranged on both sides of the moving frame 2. Two first guiding rollers 42 are arranged on one side of the guiding frame 41, and second guiding rollers 43 are arranged on the other side of the guiding frame 41. And lead screws are threadedly connected to both ends of the first guiding rollers 42 and the second guiding rollers 43. The lead screws are rotatably arranged on the guiding frame 41, so that the height of the two first guiding rollers 42 and the position of the two second guiding rollers 43 in the horizontal direction can be adjusted. Guiding can be carried out for steel pipes with different sizes and shapes.

[0064] Preferably, in this embodiment, guiding devices 4 are arranged on both the front and rear sides of the moving frame 2, and the clamping arms 3 are located between the two groups of guiding devices 4, so that the steel pipes can be stably guided.

[0065] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An online steel pipe cutting machine, characterized in that, include: Base (1); A mobile frame (2) is mounted on the base (1); A guide device (4), installed on the moving frame (2), and used for guiding the movement of the steel pipe; There are two clamping arms (3), the two clamping arms (3) are mounted on the mobile frame (2), and the two clamping arms (3) are spaced apart to form a clamping space for accommodating the steel pipe; An adjustment mechanism (31) is installed between the two clamping arms (3) and is used to adjust the distance between the two clamping arms (3) and clamp the steel pipe between the two clamping arms (3); A cutting device (5) is installed on the movable frame (2) and is used for cutting the steel pipe.

2. The online steel pipe cutting machine according to claim 1, characterized in that, The regulating mechanism (31) comprises: A pushing member (311) is mounted on the moving frame (2); a driving end of the pushing member (311) is connected to one of the clamping arms (3) and is used to push the clamping arm (3) to move.

3. The online steel pipe cutting machine according to claim 2, characterized in that, The adjusting mechanism (31) further comprises a transmission assembly for driving the two clamping arms (3) to move relative to each other, the transmission assembly comprising: There are two gear rods (312), and the two gear rods (312) are respectively fixedly mounted on the two clamping arms (3); The transmission wheel (313) is rotatably arranged on the moving frame (2) and is meshed with the two gear rods (312).

4. The online steel pipe cutting machine according to claim 1, characterized in that, A mounting frame (21) is mounted on the movable frame (2); the position of the mounting frame (21) on the movable frame (2) has a degree of freedom for adjustment in a vertical direction; and the clamping arm (3) and the cutting device (5) are both mounted on the mounting frame (21).

5. The online steel pipe cutting machine according to claim 4, characterized in that, A driving rod (211) is rotatably arranged on the movable frame (2), the axis of the driving rod (211) is arranged along the vertical direction, and the driving rod (211) is threadedly connected to the mounting frame (21).

6. The online steel pipe cutting machine according to claim 1, characterized in that, The cutting device (5) comprises: A rotating frame (51) is rotatably arranged on the movable frame (2), and a clearance hole for avoiding the steel pipe is arranged in the middle of the rotating frame (51); A cutting gun (52), mounted on the rotating frame (51), for cutting the steel pipe; A driving assembly (53) is installed between the mobile frame (2) and the rotating frame (51) and is used to drive the rotating frame (51) to rotate on the mobile frame (2).

7. The online steel pipe cutting machine according to claim 6, wherein, The driving assembly (53) comprises: A gear ring (531) fixedly mounted on the rotating frame (51); A driving wheel (532) is rotatably disposed on the moving frame (2), and the driving wheel (532) and the gear ring (531) are meshed with each other; A driving member (533) is mounted on the movable frame (2), and a driving end of the driving member (533) is drivingly connected to the driving wheel (532).

8. The online steel pipe cutting machine according to claim 1, characterized in that, A sliding seat (11) is also installed on the base (1), and the position of the sliding seat (11) on the base (1) has the freedom to be adjusted along the conveying direction of the steel pipe, and the movable frame (2) is installed on the sliding seat (11).

9. The online steel pipe cutting machine according to claim 8, characterized in that, The position of the moving frame (2) on the sliding seat (11) has a degree of freedom for adjustment along the arrangement direction of the two clamping arms (3).

10. The online steel pipe cutting machine according to claim 6, characterized in that, An adjustment module (6) for adjusting the position of the cutting gun (52) is further provided on the rotating frame (51). The adjustment module (6) includes a first module (61) that moves in a first direction on the rotating frame (51) and a second module (62) that moves in a second direction on the first module (61). The cutting gun (52) is installed on the moving end of the second module (62), and the first direction and the second direction are perpendicularly arranged.

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