Steel pipe cutting device

Abstract

The utility model belongs to the technical field of steel structure machining, and particularly relates to a steel pipe cutting device which comprises a workbench. The intermittent moving mechanism is horizontally arranged on the workbench, the driving end of the intermittent moving mechanism is connected with a rotating mechanism, a clamping mechanism is arranged on the rotating mechanism, and a steel pipe is clamped by the clamping end of the clamping mechanism; the guide mechanism is arranged on the workbench in the moving direction of the vertical intermittent moving mechanism, the driving end of the guide mechanism is connected with a cutting mechanism, and the guide mechanism can drive the cutting end of the cutting mechanism to abut against the peripheral wall of the steel pipe; according to the scheme, the cutting length of the steel pipe is easy to control, the whole steel pipe can be cut into multiple sections of steel pipes with the same length, manual sectional cutting is not needed, the labor intensity of workers is reduced, and the efficiency is higher.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel structure processing, and specifically relates to a steel pipe cutting device. Background Art

[0002] In the final process of steel pipe production, the whole steel pipe needs to be cut for shipment and transportation. The existing cutting process is generally done by manual marking, and then manually using a toothless saw to cut the steel pipe of the required length. If the number of cuts is large, this will increase the labor intensity and work efficiency. The cutting length of the steel pipe is difficult to control and is not suitable for batch production. It is easy to cause the cut steel pipes to be of different lengths. The automation level of the entire cutting process is low, the labor intensity is high, and the efficiency is low. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a steel pipe cutting device to solve the problem that the existing cutting process is generally performed by manual marking, and then manually using a toothless saw to cut the steel pipe of the required length. If the number of cuts is large, the labor intensity of the manual work is increased, and the work efficiency is also low. The cutting length of the steel pipe is not easy to control, which is not suitable for batch production. It is easy to cause the cut steel pipes to be of different lengths. The automation level of the entire cutting process is low, the manual labor intensity is high, and the efficiency is low.

[0004] The technical solution adopted by the utility model is as follows: a steel pipe cutting device, comprising a workbench;

[0005] An intermittent moving mechanism, wherein the intermittent moving mechanism is horizontally arranged on a workbench, a driving end of the intermittent moving mechanism is connected to a rotating mechanism, a clamping mechanism is arranged on the rotating mechanism, and a clamping end of the clamping mechanism clamps a steel pipe;

[0006] The guide mechanism is arranged on the workbench along the direction of movement of the vertical intermittent moving mechanism. The driving end of the guide mechanism is connected with the cutting mechanism. The guide mechanism can drive the cutting end of the cutting mechanism to abut against the outer peripheral wall of the steel pipe.

[0007] Further, the intermittent movement mechanism includes a first motor, a movable block, a screw rod and a sliding rod;

[0008] The upper surface of the workbench is provided with installation grooves distributed in the left and right directions, the screw is rotatably connected in the installation groove, the slide rod is fixedly connected in the installation groove, the screw and the slide rod are spaced apart in the front and rear directions, the first motor is fixedly connected to the left side wall of the workbench, the left end of the screw penetrates the left side wall of the workbench, extends into the installation groove and is connected to the driving end of the first motor, the front part of the movable block is threadedly sleeved on the screw, the rear part of the movable block is slidably sleeved on the slide rod, and the rotating mechanism is fixedly mounted on the top of the movable block.

[0009] Further, the rotating mechanism includes a mounting frame, a second motor, a transmission gear, a rotating disk and a gear ring;

[0010] The bottom of the mounting frame is fixedly connected to the top of the movable block, a mounting opening is opened in the mounting frame, several transmission gears are arranged along the circumference of the mounting opening, several transmission gears are rotatably connected to the mounting frame, the turntable is located in the mounting opening, the gear ring is fixedly sleeved on the outer peripheral wall of the turntable, several transmission gears are distributed at intervals on the outside of the turntable in the circumferential direction, several transmission gears are meshed with the gear ring, the second motor is fixedly mounted on the outer side wall of the mounting frame, the driving end of the second motor is transmission-connected to any transmission gear, and the clamping mechanism is fixedly mounted on the turntable.

[0011] Further, the clamping mechanism includes a pneumatic chuck and a clamping plate;

[0012] The pneumatic chuck is fixedly mounted on a turntable, and a plurality of pneumatic clamping claws distributed in a circumferential array are slidably provided on the right side wall of the pneumatic chuck, and a clamping plate is horizontally connected to each of the plurality of pneumatic clamping claws, and the clamping plate can extend into the steel pipe, and the clamping plate is an arc-shaped clamping plate, and the outer side wall of the clamping plate can abut against the inner side wall of the steel pipe.

[0013] Furthermore, a rubber pad is provided on the outer side wall of the clamping plate.

[0014] Furthermore, the guide mechanism includes an electric push rod, a mounting seat, a slide seat and a slide rail;

[0015] The upper surface of the workbench is provided with slide grooves distributed in the front-to-back direction, the slide grooves are perpendicular to the mounting grooves, the slide rails are fixedly connected to the bottom of the slide grooves along the front-to-back direction, the slide seat is slidably fitted on the upper end of the slide rails along the front-to-back direction, the bottom of the mounting seat is fixedly connected to the top of the slide seat, the cutting mechanism is fixedly mounted on the top of the mounting seat, the electric push rod is horizontally mounted on the upper surface of the workbench, and the driving end of the electric push rod is fixedly connected to the rear side wall of the mounting seat, which can drive the mounting seat to move forward and backward.

[0016] Furthermore, the cutting mechanism is a toothless saw.

[0017] Beneficial effects of the utility model:

[0018] When it is necessary to cut a long steel pipe into several sections of steel pipes of the same length, the steel pipe is clamped by the clamping mechanism, and then the intermittent moving mechanism is started to drive the steel pipe to move a certain distance toward the cutting mechanism, thereby driving the rotating mechanism and the steel pipe clamped by the clamping mechanism to move a certain distance synchronously, and then the guiding mechanism is started to drive the cutting mechanism to move toward the steel pipe, and after the cutting end of the cutting mechanism abuts against the outer wall of the steel pipe, the rotating mechanism is started at the same time to drive the steel pipe clamped by the clamping mechanism to rotate, and the guiding mechanism continues to feed the wall thickness displacement of the steel pipe to the cutting mechanism, and the steel pipe is ring-cut under the self-rotation of the steel pipe, and a certain length of the steel pipe is cut off, and then withdrawn, and the intermittent moving mechanism is started again to drive the steel pipe to move intermittently toward the cutting mechanism by the distance required for cutting, so that the cutting length of the steel pipe is easy to control, and the above operation is repeated to continue the next cutting, thereby cutting a whole steel pipe into multiple sections of the same length of steel pipe, without the need for manual segmented cutting, reducing the labor intensity and improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the rotating mechanism and the clamping mechanism of the utility model (first viewing angle);

[0021] Figure 3 It is a structural schematic diagram of the rotating mechanism and the clamping mechanism of the utility model (second viewing angle);

[0022] Figure 4 It is a structural schematic diagram of the guiding mechanism and cutting mechanism of the utility model;

[0023] The attached drawings are marked as follows:

[0024] Workbench 1, mounting groove 11, slide groove 12, intermittent moving mechanism 2, first motor 21, movable block 22, screw 23, slide rod 24, rotating mechanism 3, mounting frame 31, second motor 32, transmission gear 33, turntable 34, gear ring 35, clamping mechanism 4, pneumatic chuck 41, pneumatic clamping claw 42, clamping plate 43, rubber pad 44, guide mechanism 5, electric push rod 51, mounting seat 52, slide seat 53, slide rail 54, cutting mechanism 6, steel pipe 7. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0026] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] like Figure 1 to Figure 4 As shown, a steel pipe cutting device comprises a workbench 1;

[0029] An intermittent moving mechanism 2, wherein the intermittent moving mechanism 2 is horizontally arranged on the workbench 1, a driving end of the intermittent moving mechanism 2 is connected to a rotating mechanism 3, a clamping mechanism 4 is arranged on the rotating mechanism 3, and a clamping end of the clamping mechanism 4 clamps a steel pipe 7;

[0030] The guide mechanism 5 is arranged on the workbench 1 along the moving direction of the vertical intermittent moving mechanism 2. The driving end of the guide mechanism 5 is connected to the cutting mechanism 6. The guide mechanism 5 can drive the cutting end of the cutting mechanism 6 to abut against the outer wall of the steel pipe 7.

[0031] like Figure 1As shown, as a preferred embodiment, the intermittent moving mechanism 2 includes a first motor 21, a movable block 22, a screw 23 and a slide bar 24; the upper surface of the workbench 1 is provided with mounting grooves 11 distributed in the left and right directions, the screw 23 is rotatably connected in the mounting groove 11, the slide bar 24 is fixedly connected in the mounting groove 11, the screw 23 and the slide bar 24 are spaced apart along the front and rear directions, the first motor 21 is fixedly connected to the left side wall of the workbench 1, the left end of the screw 23 penetrates the left side wall of the workbench 1 and extends into the mounting groove 11 and is connected to the driving end of the first motor 21, the front part of the movable block 22 is threadedly sleeved on the screw 23, the rear part of the movable block 22 is slidably sleeved on the slide bar 24, and the rotating mechanism 3 is fixedly mounted on the top of the movable block 22. By starting the first motor 21 to drive the screw rod 23 to rotate, the movable block 22 moves in the left and right direction with the cooperation of the slide bar 24, thereby driving the rotating mechanism 3 on the top of the movable block 22 and the clamping mechanism 4 on the rotating mechanism 3 to move in the left and right direction, and then driving the steel pipe 7 clamped by the clamping mechanism 4 to move synchronously. When a certain length of steel pipe 7 needs to be cut, the first motor 21 is started to drive the steel pipe 7 to move intermittently the same distance in the left and right direction toward the cutting mechanism 6, and cut them respectively, so that a whole steel pipe 7 is cut into multiple steel pipes 7 of the same length. In this embodiment, the upper surface of the movable block 22 is higher than the upper surface of the workbench 1.

[0032] like Figures 1 to 3As shown, as a preferred embodiment, the rotating mechanism 3 includes a mounting frame 31, a second motor 32, a transmission gear 33, a turntable 34 and a gear ring 35; the bottom of the mounting frame 31 is fixedly connected to the top of the movable block 22, a mounting opening is opened in the mounting frame 31, and several transmission gears 33 are arranged along the circumference of the mounting opening, and several transmission gears 33 are rotatably connected to the mounting frame 31, the turntable 34 is located in the mounting opening, and the gear ring 35 is fixedly sleeved on the outer peripheral wall of the turntable 34, and several transmission gears 33 are distributed at intervals on the outside of the turntable 34 in the circumferential direction, and several transmission gears 33 are meshed with the gear ring 35, the second motor 32 is fixedly mounted on the outer side wall of the mounting frame 31, and the driving end of the second motor 32 is transmission-connected to any transmission gear 33, and the clamping mechanism 4 is fixedly mounted on the turntable 34 and located at the center of the turntable 34. In this embodiment, three transmission gears 33 are provided. The three transmission gears 33 are spaced apart along the circumference of the turntable 34 and are all meshed with the gear ring 35. One transmission gear 33 is arranged on the upper side of the gear ring 35, and the other two transmission gears 33 are symmetrically distributed on the lower side of the gear ring 35. The driving end of the second motor 32 is connected to the transmission gear 33 on the lower rear side. The second motor 32 is started to drive the transmission gear 33 on the lower rear side to rotate. With the cooperation of the other two transmission gears 33, the gear ring 35 rotates, thereby driving the turntable 34 and the clamping mechanism 4 on the turntable 34 to rotate, and then driving the steel pipe 7 clamped by the clamping mechanism 4 to rotate, so as to facilitate the cutting of the steel pipe 7 as a whole.

[0033] like Figure 2 As shown, as a preferred embodiment, the clamping mechanism 4 includes a pneumatic chuck 41 and a clamping plate 43; the pneumatic chuck 41 is fixedly mounted on the turntable 34, and a plurality of pneumatic clamping claws 42 distributed in a circumferential array are slidably provided on the right side wall of the pneumatic chuck 41, and a clamping plate 43 is horizontally connected to the plurality of pneumatic clamping claws 42, and the clamping plate 43 can extend into the steel pipe 7, and the clamping plate 43 is an arc-shaped clamping plate 43, and the outer side wall of the clamping plate 43 can abut against the inner side wall of the steel pipe 7, and a rubber pad 44 is provided on the outer side wall of the clamping plate 43, and the rubber pad 44 is an arc-shaped rubber pad 44 adapted to the arc-shaped clamping plate 43. In this embodiment, three pneumatic clamping jaws 42 are provided, and the pneumatic chuck 41 is fixedly penetrated in the center position of the turntable 34. The right end of the pneumatic chuck 41 is provided with an air inlet for connecting to an external air supply source. When it is necessary to clamp the steel pipe 7, the steel pipe 7 is sleeved outside the pneumatic clamping jaw 42, and air is supplied to the pneumatic chuck 41. The pneumatic chuck 41 is started to make the pneumatic clamping jaw 42 slide outward, thereby driving the clamping plate 43 to move outward until the arc-shaped rubber pad 44 on the outer arc surface of the clamping plate 43 abuts against the inner wall of the steel pipe 7, so that the three clamping plates 43 clamp and fix the steel pipe 7.

[0034] like Figure 1 and Figure 4As shown, as a preferred embodiment, the guide mechanism 5 includes an electric push rod 51, a mounting seat 52, a slide seat 53 and a slide rail 54; the upper surface of the workbench 1 is provided with a slide groove 12 distributed in the front-to-back direction, the slide groove 12 is perpendicular to the mounting groove 11, the slide rail 54 is fixedly connected to the bottom of the slide groove 12 along the front-to-back direction, the slide seat 53 is slidably fitted on the upper end of the slide rail 54 along the front-to-back direction, the bottom of the mounting seat 52 is fixedly connected to the top of the slide seat 53, the cutting mechanism 6 is fixedly installed on the top of the mounting seat 52, the electric push rod 51 is horizontally installed on the upper surface of the workbench 1, the driving end of the electric push rod 51 is fixedly connected to the rear side wall of the mounting seat 52, and can drive the mounting seat 52 to move forward and backward. When the steel pipe 7 needs to be cut, the mounting seat 52 is driven to move toward the steel pipe 7 by starting the electric push rod 51. Under the action of the slide seat 53 at the bottom of the mounting seat 52, the mounting seat 52 moves toward the steel pipe 7 on the slide rail 54. After the cutting end of the cutting mechanism 6 abuts against the outer wall of the steel pipe 7, the mounting seat 52 continues to be fed with the wall thickness displacement of the steel pipe 7. Under the self-rotation of the steel pipe 7, the steel pipe 7 is circularly cut to cut off a certain length of the steel pipe 7, and then withdrawn, and the above operation is repeated to continue the next cutting.

[0035] like Figure 1 and Figure 4 As shown, as a preferred embodiment, the cutting mechanism 6 is a toothless saw. By using a toothless saw, the steel pipe 7 of the steel structure is cut by this electric tool, which is convenient for quickly cutting off the steel pipe 7.

[0036] The working mode of the utility model is as follows:

[0037] When in use, when a long steel pipe 7 needs to be cut into several sections of steel pipe 7 of the same length, the steel pipe 7 is sleeved outside the pneumatic clamping claw 42, air is supplied to the pneumatic chuck 41, and the pneumatic chuck 41 is started, so that the pneumatic clamping claw 42 slides outward, thereby driving the clamping plate 43 to move outward until the arc-shaped rubber pad 44 on the outer arc surface of the clamping plate 43 abuts against the inner wall of the steel pipe 7, so that the three clamping plates 43 clamp and fix the steel pipe 7;

[0038] Then, the first motor 21 is started to drive the screw rod 23 to rotate, and with the cooperation of the slide bar 24, the movable block 22 moves to the right, thereby driving the rotating mechanism 3 on the top of the movable block 22 and the steel pipe 7 clamped by the pneumatic chuck 41 to move a certain distance to the right, and then the electric push rod 51 is started to drive the mounting seat 52 to move toward the steel pipe 7. Under the action of the slide seat 53 at the bottom of the mounting seat 52, the mounting seat 52 moves toward the steel pipe 7 on the slide rail 54, and after the cutting end of the toothless saw machine abuts against the outer wall of the steel pipe 7, the second motor 32 is started at the same time to drive the transmission gear 33 on the lower rear side to rotate, and with the cooperation of the other two transmission gears 33, the gear ring 35 rotates. Thereby, the turntable 34 and the pneumatic chuck 41 on the turntable 34 are driven to rotate, and then the steel pipe 7 clamped by the pneumatic chuck 41 is driven to rotate. The electric push rod 51 continues to feed the wall thickness displacement of the steel pipe 7 to the toothless saw machine. Under the rotation of the steel pipe 7, the steel pipe 7 is circularly cut, a certain length of the steel pipe 7 is cut off, and then withdrawn. The first motor 21 is started again to drive the steel pipe 7 to move intermittently to the right toward the toothless saw machine by the same distance, so that the cutting length of the steel pipe 7 is easy to control, and the above operation is repeated to continue the next cutting, thereby cutting a whole steel pipe 7 into multiple sections of steel pipe 7 of the same length, without manual segmented cutting, reducing manual labor intensity and improving efficiency.

[0039] Embodiment 2:

[0040] Embodiment 2 includes all the technical features of embodiment 1. Embodiment 2 is distinguished from embodiment 1 by the following features: a dust hood is provided on the front side of the upper surface of the workbench 1, and the dust hood is connected to a vacuum cleaner. The suction port of the dust hood faces backward toward the cutting mechanism 6, and the cutting mechanism 6 can fall into the suction range of the dust hood. When the vacuum cleaner is started, the waste chips generated when the cutting mechanism 6 cuts the steel pipe 7 can be collected through the dust hood, thereby preventing the waste chips generated when the steel pipe 7 is cut from adhering to the screw 23, so that the screw 23 can work normally and the cleaning intensity can be reduced.

[0041] Embodiment three:

[0042] Embodiment 3 includes all the technical features of embodiment 1. Embodiment 3 is distinguished from embodiment 1 by the following features: it also includes a dustproof telescopic cover, which is arranged in the mounting groove 11 and is located directly above the screw 23 and the slide rod 24. The left and right ends of the dustproof telescopic cover are respectively fixedly connected to the right side wall of the movable block 22 and the right groove wall in the mounting groove 11. The front and rear ends of the dustproof telescopic cover are respectively abutted against the front and rear inner walls of the mounting groove 11. When the movable block 22 moves left and right, it can drive the dustproof telescopic cover to extend and retract, and can shield the area above the screw 23. When the cutting mechanism 6 on the upper right side of the screw 23 cuts the steel pipe 7, the waste chips generated can fall onto the upper surface of the dustproof telescopic cover, preventing the waste chips from falling into the mounting groove 11 and preventing the waste chips from adhering to the screw 23, so that the screw 23 can work normally and the cleaning intensity is reduced.

[0043] The utility model is described in detail above. The description of the specific embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A steel pipe cutting device, characterized in that: include Workbench (1); An intermittent moving mechanism (2), the intermittent moving mechanism (2) being horizontally arranged on a workbench (1), the driving end of the intermittent moving mechanism (2) being connected to a rotating mechanism (3), the rotating mechanism (3) being provided with a clamping mechanism (4), the clamping end of the clamping mechanism (4) clamping a steel pipe (7); A guide mechanism (5), wherein the guide mechanism (5) is arranged on the workbench (1) along the direction of movement of the vertical intermittent moving mechanism (2), the driving end of the guide mechanism (5) is connected to a cutting mechanism (6), and the guide mechanism (5) can drive the cutting end of the cutting mechanism (6) to abut against the outer peripheral wall of the steel pipe (7).

2. A steel pipe (7) cutting device according to claim 1, characterized in that: The intermittent movement mechanism (2) comprises a first motor (21), a movable block (22), a screw rod (23) and a sliding rod (24); The upper surface of the workbench (1) is provided with mounting grooves (11) distributed in the left and right directions, the screw rod (23) is rotatably connected in the mounting groove (11), the slide rod (24) is fixedly connected in the mounting groove (11), the screw rod (23) and the slide rod (24) are spaced apart in the front-back direction, the first motor (21) is fixedly connected to the left side wall of the workbench (1), the left end of the screw rod (23) penetrates the left side wall of the workbench (1) and extends into the mounting groove (11) and is connected to the driving end of the first motor (21), the front part of the movable block (22) is threadedly sleeved on the screw rod (23), the rear part of the movable block (22) is slidably sleeved on the slide rod (24), and the rotating mechanism (3) is fixedly mounted on the top of the movable block (22).

3. A steel pipe (7) cutting device according to claim 2, characterized in that: The rotating mechanism (3) comprises a mounting frame (31), a second motor (32), a transmission gear (33), a rotating disk (34) and a gear ring (35); The bottom of the mounting frame (31) is fixedly connected to the top of the movable block (22); a mounting opening is provided in the mounting frame (31); a plurality of transmission gears (33) are arranged along the circumference of the mounting opening; the plurality of transmission gears (33) are rotatably connected to the mounting frame (31); the turntable (34) is located in the mounting opening; the gear ring (35) is fixedly sleeved on the outer peripheral wall of the turntable (34); the plurality of transmission gears (33) are circumferentially spaced and distributed outside the turntable (34); the plurality of transmission gears (33) are all meshed with the gear ring (35); the second motor (32) is fixedly mounted on the outer side wall of the mounting frame (31); the driving end of the second motor (32) is transmission-connected to any transmission gear (33); and the clamping mechanism (4) is fixedly mounted on the turntable (34).

4. A steel pipe (7) cutting device according to claim 3, characterized in that: The clamping mechanism (4) comprises a pneumatic chuck (41) and a clamping plate (43); The pneumatic chuck (41) is fixedly mounted on the turntable (34), and a plurality of pneumatic clamping claws (42) distributed in a circumferential array are slidably provided on the right side wall of the pneumatic chuck (41), and a clamping plate (43) is horizontally connected to each of the plurality of pneumatic clamping claws (42), and the clamping plate (43) can extend into the steel pipe (7). The clamping plate (43) is an arc-shaped clamping plate (43), and the outer side wall of the clamping plate (43) can abut against the inner side wall of the steel pipe (7).

5. A steel pipe (7) cutting device according to claim 4, characterized in that: A rubber pad (44) is provided on the outer side wall of the clamping plate (43).

6. A steel pipe (7) cutting device according to claim 2, characterized in that: The guide mechanism (5) comprises an electric push rod (51), a mounting seat (52), a slide seat (53) and a slide rail (54); The upper surface of the workbench (1) is provided with a slide groove (12) distributed in the front-to-back direction, the slide groove (12) is perpendicular to the mounting groove (11), the slide rail (54) is fixedly connected to the bottom of the slide groove (12) in the front-to-back direction, the slide seat (53) is slidably fitted on the upper end of the slide rail (54) in the front-to-back direction, the bottom of the mounting seat (52) is fixedly connected to the top of the slide seat (53), the cutting mechanism (6) is fixedly installed on the top of the mounting seat (52), the electric push rod (51) is horizontally installed on the upper surface of the workbench (1), and the driving end of the electric push rod (51) is fixedly connected to the rear side wall of the mounting seat (52) and can drive the mounting seat (52) to move forward and backward.

7. A steel pipe (7) cutting device according to claim 1, characterized in that: The cutting mechanism (6) is a toothless saw.

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