CN223172003U - Cutting device for steel pipe processing - Google Patents

Abstract

The utility model discloses a cutting device for steel tube processing, which relates to the technical field of steel tube cutting and comprises a workbench, wherein four corners of the upper side of the workbench are connected with a top plate through support columns, one side of the top plate, which faces the workbench, is transversely provided with a linear motor, the output end of the linear motor is provided with a telescopic cutting assembly, two ends of the upper side of the workbench along the length direction are respectively provided with two groups of clamping and conveying assemblies I, a steel tube is clamped between the two groups of clamping and conveying assemblies I at the same end of the workbench, two groups of grooves I which are parallel to each other are formed in the upper side of the workbench along the length direction, two groups of clamping and conveying assemblies II which slide along the length direction are respectively arranged in the grooves I, and one end of the workbench along the length direction is provided with a baffle plate which can slide up and down.

Description

Cutting device for steel pipe machining

Technical Field

The utility model relates to the technical field of steel pipe cutting, in particular to a cutting device for steel pipe machining.

Background

The steel pipe has a hollow section, the length of which is far greater than the diameter or circumference, and is classified into steel pipes for transportation pipes, engineering structures, thermal equipments, petrochemical industry, machine manufacturing, geological drilling, high pressure equipments, etc., and is widely used for transportation of fluids and powdery solids, exchange of heat energy, manufacture of mechanical parts and containers.

The steel pipe cutting device with the publication number of CN220240163U comprises a placing block positioned at the left end, a steel pipe chute is arranged on the upper surface of the placing block, a cutting groove is formed in the right end of the placing block, a cutting machine supporting frame is arranged at the upper end of the cutting groove, a hydraulic machine is arranged at the upper end of the cutting machine supporting frame, a cutting machine is connected to the lower end of the hydraulic machine, bayonet supporting frames are arranged at the two ends of the cutting machine supporting frame, an electric telescopic rod is arranged at the upper end of the bayonet supporting frame, a bayonet is arranged at the lower end of the electric telescopic rod, a sliding rail is arranged at the right end of the placing block, a steel pipe limiting block is arranged in the sliding rail, a screw is arranged in the sliding rail, the screw is inserted into the steel pipe limiting block for use, a screw motor is arranged at the right end of the screw, and scales are formed in the right surface of the sliding rail.

The device pushes the bayonet downwards to block the steel pipe through electric telescopic handle, fasten the steel pipe joint, through screw motor drive screw rod rotation, relative rotation between screw rod and the steel pipe stopper, through screw-thread fit's effect, make the relative screw rod of steel pipe stopper remove, realize spacing position control to the steel pipe tip, thereby can realize cutting length adjustment to the steel pipe, although can carry out the cutting of appointed length to the not unidimensional steel pipe according to the demand, but can't carry the cutting position with next section steel pipe by oneself after the cutting is accomplished and carry out the continuity cutting, cutting efficiency is low, consequently, it is very necessary to design a cutting device for the steel pipe processing that improves steel pipe cutting efficiency.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a cutting device for processing a steel pipe, so as to solve the problems in the prior art.

In order to solve the technical problems, the cutting device for steel tube machining comprises a workbench, wherein four corners of the upper side of the workbench are connected with a top plate through support columns, a linear motor is transversely arranged on one side of the top plate, which faces the workbench, the output end of the linear motor is provided with a telescopic cutting assembly, two groups of clamping and conveying assemblies I are respectively arranged at two ends of the upper side of the workbench along the length direction, a steel tube is clamped between the two groups of clamping and conveying assemblies I at the same end of the workbench, two groups of grooves I which are parallel to each other are formed in the upper side of the workbench along the length direction, clamping and conveying assemblies II which slide along the length direction of the grooves I are respectively arranged in the two groups of grooves I, and a baffle plate capable of sliding up and down is arranged at one end of the workbench along the length direction.

The clamping and conveying assembly comprises a first shell, a first sliding groove is formed in the upper side of the workbench, the first shell slides in the first sliding groove, a first notch is formed in the first shell, a rotatable roller I is vertically arranged in the first notch, a hydraulic telescopic cylinder IV is arranged on one side, away from the first notch, of the second shell, a connecting block I is fixedly connected to the output end of the hydraulic telescopic cylinder IV, and a pressing block I used for pressing and fixing a steel pipe is fixedly connected to the other end of the connecting block I.

The clamping and conveying assembly comprises a sliding seat, wherein a plurality of groups of sliding grooves IV are transversely formed in the lower side of the sliding seat, a sliding guide rail is arranged on the bottom side of the groove I, a threaded hole is formed in the sliding seat and transversely formed in the sliding seat, the threaded hole penetrates through the sliding seat, a screw rod is connected with the threaded hole in a threaded mode, the screw rod penetrates through the threaded hole in a threaded mode, one end of the screw rod is rotatably connected with one side wall of the groove I, and a driving motor III is fixedly connected with the other end of the screw rod, which penetrates through the side wall of the groove I.

The utility model further discloses that the clamping and conveying assembly II also comprises a shell III, a chute III is arranged on the upper side of the sliding seat, the shell III slides in the chute III, a rotatable roller II is vertically arranged in the notch II, the three sides that keep away from the baffle of casing are provided with hydraulic telescoping cylinder six, the output fixedly connected with connecting block two of hydraulic telescoping cylinder six, the other end fixedly connected with of connecting block two is used for carrying out the briquetting two of pressing solid to the steel pipe.

The utility model further discloses that the cutting assembly comprises a first hydraulic telescopic cylinder, the output end of the first hydraulic telescopic cylinder is fixedly connected with a first shell, a rotatable cutting blade is arranged in the first shell, a rotating shaft is arranged in the center of the cutting blade in a penetrating mode, and one end of the rotating shaft penetrates through the first shell and is connected with a first driving motor.

The utility model further discloses that a first sliding groove is formed in the workbench corresponding to the baffle plate, a second hydraulic telescopic cylinder is arranged in the inner cavity of the workbench corresponding to the first sliding groove, and the output end of the second hydraulic telescopic cylinder is connected with the baffle plate.

The utility model further discloses that the first clamping and conveying assemblies are symmetrically arranged on the same end of the workbench by taking the axis of the steel pipe as the center, and the second clamping and conveying assemblies are mutually symmetrical by taking the axis of the steel pipe as the center.

The utility model further describes that the baffle is positioned on the central line between the two groups of grooves one and is positioned at one side of the clamping and conveying assembly one far away from the grooves one

Compared with the prior art, the steel pipe clamping device has the beneficial effects that the clamping conveying assembly I and the clamping conveying assembly II are adopted to clamp the steel pipe and simultaneously realize the movement of the steel pipe, so that the clamping of the steel pipes of different types is realized, and meanwhile, the conveying efficiency of the steel pipe after the steel pipe is cut is improved.

Through distributing on centre gripping conveying subassembly one and centre gripping conveying subassembly two and setting up briquetting one and briquetting two, press the solid to the steel pipe, improved the stability when the steel pipe cuts.

Through setting up linear electric motor and remove cutting assembly, can effectively adjust the cutting length to the steel pipe.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic top view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a structure of a table and a clamping and conveying assembly according to the present utility model;

FIG. 3 is a schematic view of the structure of the work table of the present utility model;

FIG. 4 is a schematic view of the overall bottom construction of the present utility model;

FIG. 5 is a schematic view of a second embodiment of a clamping and transporting assembly according to the present utility model;

FIG. 6 is a schematic view of a clamping and transporting assembly according to the present utility model;

FIG. 7 is a schematic view of a front cross-sectional structure of a table of the present utility model;

In the figure, 1, a workbench; 2, a support column, 3, a top plate, 4, a linear motor, 5, a first hydraulic telescopic cylinder, 6, a first shell, 7, a cutting blade, 8, a first driving motor, 9, a steel pipe, 10, a first clamping and conveying assembly, 11, a first groove, 12, a second clamping and conveying assembly, 13, a baffle, 14, a first sliding groove, 15, a second hydraulic telescopic cylinder, 16, a second shell, 17, a first notch, 18, a first rotating roller, 19, a second driving motor, 20, a second sliding groove, 21, a third hydraulic telescopic cylinder, 22, a fourth hydraulic telescopic cylinder, 23, a first connecting block, 24, a first pressing block, 25, a first arc groove, 26, a sliding seat, 27, a sliding guide rail, 28, a threaded hole, 29, a screw rod, 30, a third driving motor, 31, a third shell, 32, a second notch, 33, a second rotating roller, 34, a fourth driving motor, 35, a third sliding groove, 36, a fifth hydraulic telescopic cylinder, 37, a sixth hydraulic telescopic cylinder, 38, a second connecting block, 39, a second pressing block, 40, a second arc groove, 41 and a fourth sliding groove.

Detailed Description

The technical scheme of the present utility model is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the utility model provides a cutting device for steel pipe machining, which comprises a workbench 1, wherein support columns 2 are fixedly connected to four corners of the upper side of the workbench 1, and a top plate 3 is fixedly connected to the upper side of the support columns 2.

The roof 3 transversely is provided with linear motor 4 towards one side of workstation 1, and linear motor 4's output is towards workstation 1 one side, and linear motor 4 is located the central line of the horizontal setting of roof 3, and linear motor 4 output fixedly connected with cutting assembly, cutting assembly include the first 5 of hydraulic telescoping cylinder, and the first 5 vertical setting of hydraulic telescoping cylinder, the stiff end of the first 5 of hydraulic telescoping cylinder is connected on the central line of linear motor 4 output.

The output end fixedly connected with casing one 6 of hydraulic telescoping cylinder one 5 is provided with rotatable cutting blade 7 in the casing one 6, and cutting blade 7's center department runs through and is provided with the axis of rotation, and casing one 6 is connected with driving motor one 8 is run through to the one end of axis of rotation, and driving motor one 8 fixed connection is on casing one 6, and the other end and the casing one 6 rotation of axis of rotation are connected.

Two groups of clamping and conveying assemblies I10 are arranged at the upper side of the workbench 1 along the two ends of the length direction, the two groups of clamping and conveying assemblies I10 at the same end of the workbench 1 are symmetrically arranged by taking the axis of the steel pipe 9 as the center, and the two groups of clamping and conveying assemblies I10 at the same end of the workbench 1 are provided with the steel pipe 9 in a clamping mode.

The steel pipe 9 is transversely arranged on the workbench 1, and the steel pipe 9 is positioned on the central line of the workbench 1 and is positioned right below the cutting blade 7.

Two groups of first grooves 11 which are parallel to each other are formed in the upper side of the workbench 1 along the length direction, the first grooves 11 are positioned between the first clamping and conveying assemblies 10 at the two ends, and second clamping and conveying assemblies 12 which slide along the length direction of the first grooves 11 are arranged in the first grooves 11.

One end of the workbench 1 along the length direction is provided with a baffle 13 capable of sliding up and down, and the baffle 13 is positioned on the central line between the two groups of grooves one 11 and is positioned on one side of the clamping and conveying assembly one 10 far away from the grooves one 11.

As shown in fig. 7, a first chute 14 is formed in the workbench 1 corresponding to the baffle 13, the first chute 14 penetrates through the inner cavity of the workbench 1, the baffle 13 slides up and down in the first chute 14, a second hydraulic telescopic cylinder 15 is arranged in the inner cavity of the workbench 1 corresponding to the first chute 14, and the baffle 13 penetrates through the first chute 14 and is connected with the output end of the second hydraulic telescopic cylinder 15.

The steel pipe 9 is placed between the first grooves 11 of the two groups and clamped and conveyed by the first clamping and conveying assembly 10 and the second clamping and conveying assembly 12, one end of the steel pipe 9 is abutted against one side of the baffle 13, and is clamped and fixed again by the first clamping and conveying assembly 10 and the second clamping and conveying assembly 12, and then is cut by the cutting blade 7.

As shown in schematic diagrams 1, 2 and 6, the two groups of clamping and conveying assemblies 10 are symmetrically arranged by taking the central line of the workbench 1 in the length direction as a center, the clamping and conveying assembly 10 comprises a second shell 16, the second shell 16 is provided with a first notch 17, the opening of the first notch 17 faces one side of the steel pipe 9, a rotatable first rotating roller 18 is vertically arranged in the first notch 17, one end of the upper side of a roller shaft of the first rotating roller 18 penetrates through the inner wall of the upper side of the first notch 17 and is fixedly connected with a second driving motor 19, the second driving motor 19 is fixedly connected to the second shell 16, the upper side of the workbench 1 is provided with a second sliding groove 20, the second shell 16 slides in the width direction of the workbench 1 in the second sliding groove 20, the bottom side of the first notch 17 is flush with the upper side of the workbench 1, and the second shell 16 slides in the width direction of the workbench 1 in the second sliding groove 20, so that the first rotating roller 18 on the two groups of clamping and conveying assemblies 10 moves towards one side of the steel pipe 9, the first rotating roller 18 clamps the steel pipe 9, and simultaneously the second driving motor 19 is started to rotate the first rotating roller 18, so that the steel pipe 9 is driven to move by the rotation of the first rotating roller 18.

A third hydraulic telescopic cylinder 21 is arranged on one side, far away from the steel pipe 9, of the second shell 16, the fixed end of the third hydraulic telescopic cylinder 21 is fixed on the upper side of the workbench 1, and the output end of the third hydraulic telescopic cylinder 21 is connected with the second shell 16.

The side of the shell II 16, which is far away from the groove I11, is provided with a hydraulic telescopic cylinder IV 22, the hydraulic telescopic cylinder IV 22 is vertically arranged, the output end of the hydraulic telescopic cylinder IV 22 is upwards and vertically stretches, the output end of the hydraulic telescopic cylinder IV 22 is fixedly connected with a connecting block I23, the connecting block I23 is L-shaped, and the other end of the connecting block I23 is fixedly connected with a pressing block I24.

The two clamping and conveying assemblies 10 at the same end are symmetrical with each other by taking the axis of the steel pipe 9 as the center, so that the connecting blocks 23 on the two clamping and conveying assemblies 10 are commonly connected to the pressing blocks 24 at the same group.

The first pressing block 24 is arranged above the steel pipe 9, and one side of the first pressing block 24 facing the steel pipe 9 is provided with the first arc-shaped groove 25, so that the steel pipe 9 is pressed and fixed conveniently.

As shown in fig. 5, the second clamping and conveying assembly 12 comprises a sliding seat 26, a plurality of groups of sliding grooves four 41 are transversely arranged on the lower side of the sliding seat 26, sliding guide rails 27 are arranged on the bottom side of the first groove 11 corresponding to the sliding grooves, threaded holes 28 are transversely formed in the sliding seat 26, the threaded holes 28 penetrate through the sliding seat 26, screw rods 29 are screwed into the threaded holes 28, the screw rods 29 penetrate through the threaded holes 28, one ends of the screw rods 29 are rotationally connected with the side wall of the first groove 11, driving motors three 30 are fixedly connected with the other ends of the screw rods 29 penetrating through the side wall of the first groove 11, and the driving motors three 30 are fixedly connected with the side wall of the workbench 1.

The clamping and conveying assembly II 12 further comprises a third shell 31, the third shell 31 is provided with a second notch 32, an opening of the second notch 32 faces one side of the steel pipe 9, a second rotatable roller 33 is vertically arranged in the second notch 32, one end of the upper side of a roller shaft of the second rotatable roller 33 penetrates through the first notch 17 and is fixedly connected with a fourth driving motor 34, the fourth driving motor 34 is fixedly connected to the third shell 31, a third sliding groove 35 is formed in the upper side of the sliding seat 26, the third sliding groove 35 is open to one side of the steel pipe 9, the bottom side of the second notch 32 is flush with the upper side of the sliding seat 26, the third shell 31 slides in the third sliding groove 35 along the width direction of the workbench 1, so that the second rotatable roller 33 on the two groups of clamping and conveying assemblies II 12 moves to one side of the steel pipe 9, the second rotatable roller 33 clamps the steel pipe 9, the fourth driving motor 34 is started simultaneously, the second rotatable roller 33 rotates, and the steel pipe 9 is driven to move through rotation of the second rotatable roller 33.

One side of the third shell 31 far away from the steel pipe 9 is provided with a fifth hydraulic telescopic cylinder 36, the fixed end of the fifth hydraulic telescopic cylinder 36 is fixed on the upper side of the sliding seat 26, and the output end of the fifth hydraulic telescopic cylinder 36 is connected with the third shell 31.

The side of the third shell 31, which is far away from the baffle 13, is provided with a sixth hydraulic telescopic cylinder 37, the sixth hydraulic telescopic cylinder 37 is vertically arranged, the output end of the sixth hydraulic telescopic cylinder 37 stretches upwards and upwards along the vertical direction, the output end of the sixth hydraulic telescopic cylinder 37 is fixedly connected with a second connecting block 38, the second connecting block 38 is L-shaped, and the other end of the second connecting block 38 is fixedly connected with a second pressing block 39.

The two groups of clamping and conveying assemblies 12 are symmetrical with each other by taking the axis of the steel pipe 9 as the center, so that the connecting blocks 38 on the two groups of clamping and conveying assemblies 10 are commonly connected to the pressing blocks 39 on the same group.

The second pressing block 39 is located above the steel pipe 9, and an arc-shaped groove second 40 is formed in one side, facing the steel pipe 9, of the second pressing block 39, so that the steel pipe 9 can be pressed and fixed conveniently.

In this embodiment, the steel pipe 9 is moved in between two sets of clamping and conveying assemblies 10 at the end remote from the baffle 13.

The output ends of the hydraulic telescopic cylinders III 21 on the two groups of clamping and conveying assemblies I10 far away from one end of the baffle 13 are controlled to extend, so that the two groups of rotating rollers I18 clamp the embedded steel pipe 9, and then the driving motor II 19 is started to enable the rotating rollers I18 to rotate, so that the steel pipe 9 is driven to move towards the side close to the baffle 13.

At this time, the two sets of clamping and conveying components 12 are located at one end, far away from the baffle 13, of the groove one 11, and the steel pipe 9 passes through the two sets of clamping and conveying components one 10 at one side, far away from the baffle 13, and then passes through the space between the two sets of clamping and conveying components two 12 again.

The output ends of the hydraulic telescopic cylinders five 36 on the two groups of clamping and conveying assemblies two 12 are controlled to extend, so that the two groups of rotating rollers two 33 clamp the steel pipe 9 which moves in, the steel pipe 9 is clamped and positioned, the steel pipe 9 is parallel to the transverse center line of the workbench 1, and then the driving motor four 34 is started, so that the rotating rollers two 33 rotate, and the steel pipe 9 is driven to move towards the side close to the baffle 13.

When the steel pipe 9 passes through the space between the two groups of clamping and conveying assemblies I10 close to the baffle 13, the output ends of the hydraulic telescopic cylinders III 21 on the two groups of clamping and conveying assemblies I10 close to the baffle 13 are controlled to extend, so that the two groups of rotating rollers I18 clamp the passing steel pipe 9, then the driving motor II 19 is started to rotate the rotating rollers I18, thereby driving the steel pipe 9 to move towards the side close to the baffle 13, at the moment, the baffle 13 is in an extending state, the steel pipe 9 is abutted against one side of the baffle 13 under the rotation action of the rotating rollers I18 and II 33, and after the steel pipe 9 is abutted against one side of the baffle 13, the driving motor II 19 and the driving motor IV 34 are stopped to operate, so that the rotating rollers I18 and II 33 stop rotating.

According to actual needs, the steel pipe 9 with the specified length is cut through the cutting blade 7, two groups of driving motors III 30 are controlled to drive the screw rod 29 to rotate, the sliding seat 26 is driven to move in the groove I11 through connection of nuts of the screw rod 29, and the pressing block II 39 on the two groups of clamping and conveying assemblies II 12 is positioned above one side, close to the baffle 13, of a cutting position where the steel pipe 9 is required to be cut.

The output end of the fourth hydraulic telescopic cylinder 22 on the first clamping and conveying assembly 10 and the output end of the sixth hydraulic telescopic cylinder on the second clamping and conveying assembly 12 are controlled to retract, so that the first pressing block 24 and the second pressing block 39 move downwards to press and fix the steel pipe 9.

When the steel pipe 9 is pressed and fixed, the output end of the linear motor 4 is controlled to move through the linear motor 4, so that the cutting blade 7 is positioned right above a cutting part where the steel pipe 9 needs to be cut off, the first hydraulic telescopic cylinder 5 is controlled to stretch out, the first driving motor 8 is started to drive the cutting blade 7 to rotate, when the output end of the first hydraulic telescopic cylinder 5 stretches out completely, the lower side of the cutting blade 7 is tangent to the table surface of the workbench 1, the cutting blade 7 and the workbench 1 cannot be damaged, and meanwhile the steel pipe 9 can be cut off.

After the steel pipe 9 is cut off, the cutting blade 7 is controlled to reset through the first hydraulic telescopic cylinder 5, the driving motor 8 is stopped, the output end of the fourth hydraulic telescopic cylinder 22 on the first clamping and conveying assembly 10 and the output end of the sixth hydraulic telescopic cylinder on the second clamping and conveying assembly 12 are controlled to extend, so that the first pressing block 24 and the second pressing block 39 move upwards, the pressing and fixing of the steel pipe 9 are canceled, and the second hydraulic telescopic cylinder 15 is controlled to retract, so that the baffle 13 descends and moves into the first sliding groove 14.

And two groups of driving motors III 30 are controlled to drive the screw rod 29 to rotate, and the screw rod 29 is connected with a nut to drive the sliding seat 26 to move in the first groove 11, so that the two groups of clamping and conveying assemblies II 12 are positioned at one end, close to the baffle 13, in the first groove 11.

Then, the driving motor two 19 on the first clamping and conveying component 10 near one side of the baffle 13 and the driving motor four 34 on the second clamping and conveying component 12 are started, so that the first rotating roller 18 and the second rotating roller 33 rotate to drive the cut steel pipe 9 to move out of the workbench 1 from one side of the baffle 13.

After the cut steel pipe 9 moves out of the workbench 1, the driving motor two 19 on the clamping and conveying component two 10 and the driving motor four 34 on the clamping and conveying component two 12 close to one side of the baffle 13 stop to stop rotating the first rotating roller 18 and the second rotating roller 33, then the driving motor three 30 is controlled to drive the screw rod 29 to rotate, the sliding seat 26 is driven to move in the groove one 11 through the connection of the screw rod 29 and the nut, and the clamping and conveying component two 12 are located at one end, far away from the baffle 13, of the groove one 11.

The driving motor two 19 on the first clamping and conveying component 10 and the driving motor four 34 on the second clamping and conveying component 12 are started again, so that the first rotating roller 18 and the second rotating roller 33 drive the steel pipe 9 left after cutting to move to the side of the first clamping and conveying component 13, meanwhile, the second hydraulic telescopic cylinder 15 is controlled to stretch out, the second clamping and conveying component 13 stretches out again, one end of the cut steel pipe 9 abuts against the side of the first clamping and conveying component 10 and the second clamping and conveying component 12 under the conveying movement of the steel pipe 9, and cutting is conducted again according to actual requirements.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Finally, it should be pointed out that the above embodiments are only intended to illustrate the technical solution of the utility model, not to limit it. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, without departing from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (8)

1. A cutting device for machining steel pipes comprises a workbench (1) and is characterized in that top plates (3) are connected to four corners of the upper side of the workbench (1) through support columns (2), linear motors (4) are transversely arranged on one sides of the top plates (3) towards the workbench (1), telescopic cutting assemblies are arranged at output ends of the linear motors (4), two groups of clamping and conveying assemblies I (10) are arranged at two ends of the upper side of the workbench (1) along the length direction, steel pipes (9) are clamped between the two groups of clamping and conveying assemblies I (10) at the same end of the workbench (1), two groups of grooves I (11) which are parallel to each other are formed in the upper side of the workbench (1) along the length direction, two groups of clamping and conveying assemblies II (12) which slide along the length direction of the grooves I (11) are arranged in the grooves I (11), and baffle plates (13) which can slide up and down are arranged at one end of the workbench (1) along the length direction.

2. The cutting device for steel pipe machining according to claim 1, wherein the first clamping and conveying assembly (10) comprises a second shell (16), a second sliding chute (20) is formed in the upper side of the workbench (1), the second shell (16) slides in the second sliding chute (20), a first notch (17) is formed in the second shell (16), a first rotatable roller (18) is vertically arranged in the first notch (17), a fourth hydraulic telescopic cylinder (22) is arranged on one side, far away from the first notch (11), of the second shell (16), a first connecting block (23) is fixedly connected to the output end of the fourth hydraulic telescopic cylinder (22), and a first pressing block (24) for pressing and fixing the steel pipe (9) is fixedly connected to the other end of the first connecting block (23).

3. The cutting device for steel pipe machining according to claim 2, wherein the second clamping and conveying assembly (12) comprises a sliding seat (26), a plurality of groups of sliding grooves four (41) are transversely formed in the lower side of the sliding seat (26), sliding guide rails (27) are arranged on the bottom side of the first groove (11) corresponding to the sliding grooves, threaded holes (28) are formed in the sliding seat (26), the threaded holes (28) are transversely formed in the sliding seat (26), the threaded holes (28) penetrate through the sliding seat (26), a screw rod (29) is screwed into the threaded holes (28), the screw rod (29) transversely penetrates through the threaded holes (28), one end of the screw rod (29) is rotatably connected with the side wall of the first groove (11), and a driving motor three (30) is fixedly connected with the other end of the screw rod (29) penetrating through the side wall of the first groove (11).

4. The cutting device for steel pipe machining according to claim 3, wherein the second clamping and conveying assembly (12) further comprises a third shell (31), the third shell (31) is provided with a second notch (32), the upper side of the sliding seat (26) is provided with a third sliding groove (35), the third shell (31) slides in the third sliding groove (35), a second rotatable roller (33) is vertically arranged in the second notch (32), a sixth hydraulic telescopic cylinder (37) is arranged on one side, far away from the baffle (13), of the third shell (31), the output end of the sixth hydraulic telescopic cylinder (37) is fixedly connected with a second connecting block (38), and the other end of the second connecting block (38) is fixedly connected with a second pressing block (39) for pressing and fixing the steel pipe (9).

5. The cutting device for steel pipe machining according to claim 1, wherein the cutting assembly comprises a first hydraulic telescopic cylinder (5), the output end of the first hydraulic telescopic cylinder (5) is fixedly connected with a first shell (6), a rotatable cutting blade (7) is arranged in the first shell (6), a rotating shaft penetrates through the center of the cutting blade (7), and one end of the rotating shaft penetrates through the first shell (6) and is connected with a first driving motor (8).

6. The cutting device for steel pipe machining according to claim 1, wherein the first sliding groove (14) is formed in the workbench (1) corresponding to the baffle plate (13), the second hydraulic telescopic cylinder (15) is arranged in the inner cavity of the workbench (1) corresponding to the first sliding groove (14), and the output end of the second hydraulic telescopic cylinder (15) is connected with the baffle plate (13).

7. A cutting device for machining steel pipes according to claim 1, wherein the first clamping and conveying assemblies (10) of the two groups on the same end of the workbench (1) are symmetrically arranged with respect to the axis of the steel pipe (9), and the second clamping and conveying assemblies (12) of the two groups are symmetrically arranged with respect to the axis of the steel pipe (9).

8. A cutting device for steel pipe machining according to claim 1, wherein the baffle (13) is located on the center line between the two sets of grooves I (11) and on the side of the clamping and conveying assembly I (10) away from the grooves I (11).