CN113523403A

CN113523403A - Steel pipe cutting device with equidistance locate function

Info

Publication number: CN113523403A
Application number: CN202110787306.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-10-22

Abstract

The invention discloses a steel pipe cutting device with an equidistant positioning function, which comprises a supporting bottom plate, wherein an L-shaped supporting plate is arranged at the upper part of the supporting bottom plate, an L-shaped motor bracket is arranged at the rear part of the L-shaped supporting plate, a first motor is arranged on the L-shaped motor bracket, a downward pressing cutting mechanism is arranged at the upper part of the L-shaped supporting plate, a linkage mechanism is arranged at the lower part of the L-shaped supporting plate, a steel pipe supporting base is arranged at the upper part of the right end of the L-shaped supporting plate, a sliding chute is arranged in a cam rotating disc, a convex block is arranged in the sliding chute, when the downward pressing cutting mechanism is jacked up, a pipe pushing device pushes a front clamping plate and a rear clamping plate of the positioning device to perform clamping operation on a fourth bearing through the eccentric rotation of a rotating column, the pipe is driven to move rightwards through the unidirectional rotation of a ratchet wheel, when the downward pressing cutting mechanism falls down, the cutting plate cuts the pipe, and then reciprocating intermittent motion carries out isometric processing to the steel pipe, has saved a large amount of time and labour, has also improved machining efficiency.

Description

Steel pipe cutting device with equidistance locate function

Technical Field

The invention relates to the technical field of machining equipment, in particular to a steel pipe cutting device with an equidistant positioning function.

Background

Tubing is the material used to make pipe fittings. Different pipes are used for different pipe fittings, and the quality of the pipes directly determines the quality of the pipe fittings. With the development of scientific technology, the pipes used in home decoration also go through the development process from common cast iron pipes to cement pipes to nodular cast iron pipes, galvanized steel pipes to plastic pipes and steel pipes and aluminum-plastic composite pipes, and the steel pipes are most widely applied in building engineering.

At present, along with the progress and the development of social level, the demand for various pipe supplies is larger and larger, but the steel pipe all adopts whole section production in the production process, often a certain part needs the short pipe material of the same size in batches in the in-service use process, but now generally all be after the master worker measures first, cutting, still need carry out artifical the fixing during the cutting, have the potential safety hazard during cutting, consume a large amount of time and labour, influence work efficiency.

Based on the above, the invention designs a steel pipe cutting device with an equidistant positioning function, so as to solve the problems.

Disclosure of Invention

The invention aims to provide a steel pipe cutting device with an equidistant positioning function, and the device is used for solving the problems that various pipe products are required more and more along with the progress and development of social level in the prior art, but steel pipes are produced in a whole section in the production process, a certain part needs a batch of short pipes with the same size in the actual use process, but at present, workers generally need to perform manual fixation after measurement, cutting and cutting, a large amount of time and labor force are consumed, and the working efficiency is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a steel pipe cutting device with an equidistance positioning function comprises a supporting base plate, wherein an L-shaped supporting plate is arranged on the upper portion of the supporting base plate, an L-shaped motor support is arranged on the rear portion of the L-shaped supporting plate, a first motor is arranged on the L-shaped motor support, a downward pressing cutting mechanism is arranged on the upper portion of the L-shaped supporting plate, a linkage mechanism is arranged on the lower portion of the L-shaped supporting plate, a steel pipe supporting base is arranged on the upper portion of the right end of the L-shaped supporting plate, a cutting seam is arranged at the left end of the steel pipe supporting base, a triangular limiting sliding groove is arranged in the central portion above the left end of the L-shaped supporting plate, a steel pipe limiting seat is arranged above the left end of the L-shaped supporting plate, the problem that requirements for various pipe products are increased along with the progress and development of the social level at present is solved, but the steel pipes are produced in a whole section in the production process, and certain part often needs short pipe products with the same size in batches in the actual use process, but now generally the master worker measures earlier, cuts, still need carry out artifical the fixing during cutting, consumes a large amount of time and labour, influences work efficiency's problem.

As a further scheme of the invention, a through hole is formed in the L-shaped support plate, the downward pressing and cutting mechanism is arranged inside the through hole, the downward pressing and cutting mechanism comprises an arc-shaped block, sliding columns are arranged at two ends of the arc-shaped block, a connecting block is arranged at the lower end of each sliding column, an ejector block is arranged at the lower part of each connecting block, an ejector rod is arranged inside each ejector block, a threaded rod is arranged at the top of each arc-shaped block, nuts are arranged at the upper end and the lower end of each threaded rod, a limiting disc is arranged at the bottom end of each threaded rod, a U-shaped fixture block is arranged on each limiting disc, a lower pressing plate is arranged at the bottom of each U-shaped fixture block, a motor support plate is arranged on the side wall of the right end of each lower pressing plate, a second motor is arranged on each motor support plate, and a cutting disc is arranged at the output end of each second motor.

As a further scheme of the invention, the downward pressing and cutting mechanism slides up and down in the through hole on the L-shaped supporting plate.

As a further scheme of the present invention, the linkage mechanism includes a first rotating wheel, the first rotating wheel is connected to an output end of a first motor, a cam rotating disc is disposed on the first rotating wheel, a sliding groove is disposed on a front wall of the cam rotating disc, a projection is disposed on an upper portion of the sliding groove, a rotating column is mounted on the cam rotating disc, a first bearing is eccentrically disposed on the rotating column, a first pull rod is disposed on the first bearing, a first lead screw is disposed on the first pull rod, a threaded sleeve is screwed on the first lead screw, a second lead screw is screwed on a left end of the threaded sleeve, a second pull rod is disposed on a left end of the second lead screw, a U-shaped shift lever is disposed on a second bearing, a fixing rod is disposed on the U-shaped shift lever through a third bearing, and the fixing rod is fixedly disposed on a side wall of the L-shaped support plate.

As a further scheme of the invention, a chute plate is arranged at the bottom of the L-shaped supporting plate, a T-shaped chute is formed in the center of the chute plate, a sliding block is arranged in the T-shaped chute, a poking rod is arranged at the bottom of the sliding block, and a pushing and positioning device is arranged at the upper end of the sliding block.

As a further scheme of the invention, the pushing and positioning device comprises a U-shaped support frame, a fourth bearing is arranged on the U-shaped support frame, a front clamping plate is arranged in the center of the fourth bearing, a rear clamping plate is arranged outside the fourth bearing, a front arc-shaped clamping head is arranged on the front clamping plate, a rear arc-shaped clamping head is arranged on the rear clamping plate, and ratchet wheels are arranged in the front arc-shaped clamping head and the rear arc-shaped clamping head.

As a further aspect of the present invention, the first motor is a servo motor, and a speed reducer is disposed on the first motor.

Compared with the prior art, the invention has the beneficial effects that:

the invention has the beneficial effects that:

1. through at the inside spout that sets up of cam carousel, and the inside lug that sets up of spout, when pushing down cutting mechanism and jacking up, tubular product thrust unit passes through the eccentric rotation of rotary column, promote positioner's front plate and back splint and step up the operation on the fourth bearing, through the unidirectional rotation effect of ratchet, drive tubular product and move right, when pushing down cutting mechanism whereabouts, the cutting dish cuts the tubular product, and then reciprocal intermittent motion, isometric processing is carried out to the steel pipe, a large amount of time and labour have been saved, machining efficiency has also been improved.

2. The length of the pipe to be cut is adjusted through the swinging amplitude of the U-shaped driving lever, the swinging amplitude of the U-shaped driving lever is constant all the time, the movement track of the pushing positioning device is driven to be constant, the pipe is made to move the same length at every time, reciprocating equidistant cutting is carried out, the measurement operation time of workers is shortened, and the cutting processing efficiency is improved.

3. When moving on the spacing spout of triangle through promoting positioner, when promoting positioner and slide to the right side from a left side on the spacing spout of triangle, promote positioner's preceding splint and back splint and step up the location on the fourth bearing this moment, the stability of tubular product when guaranteeing the cutting prevents the artifical cutting potential safety hazard that handheld location caused.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a steel pipe cutting apparatus having an equidistant positioning function according to the present invention;

FIG. 2 is an enlarged front view of the lower pressing and cutting mechanism of the steel pipe cutting device with equidistant positioning function according to the invention;

FIG. 3 is an enlarged front view of a cam turntable of a steel pipe cutting device with equidistant positioning function according to the invention;

FIG. 4 is a schematic diagram of a cross-sectional mechanism of a steel pipe cutting device with equidistant positioning function at A according to the invention;

FIG. 5 is an enlarged schematic view of a push positioning device of a steel pipe cutting device with equidistant positioning function according to the invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a support base plate; 2. an L-shaped support plate; 3. an L-shaped motor bracket; 4. a first motor; 5. pressing the cutting mechanism; 6. a linkage mechanism; 7. a steel pipe supporting base; 8. cutting a seam; 9. a triangular limit chute; 10. a steel pipe limiting seat; 11. a through hole; 12. an arc-shaped block; 13. a traveler; 14. connecting blocks; 15. a top block; 16. a top rod; 17. a threaded rod; 18. a nut; 19. a limiting disc; 20. a U-shaped fixture block; 21. a lower pressing plate; 22. a motor support plate; 23. a second motor; 24. cutting the disc; 25. a first runner; 26. a cam carousel; 27. a chute; 28. a bump; 29. turning the column; 30. a first bearing; 31. a first pull rod; 32. a first lead screw; 33. a threaded sleeve; 34. a second lead screw; 35. a second pull rod; 36. a second bearing; 37. a U-shaped deflector rod; 38. a third bearing; 39. fixing the rod; 40. a chute plate; 41. a T-shaped chute; 42. a slider; 43. a poke rod; 44. pushing the positioning device; 45. a U-shaped support frame; 46. a fourth bearing; 47. a front splint; 48. a rear splint; 49. a front arc-shaped chuck; 50. a rear arc-shaped chuck; 51. and (4) ratchet wheels.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, according to an embodiment of the present invention, there is provided a steel pipe cutting device with an equidistant positioning function, which includes a supporting base plate 1, an L-shaped supporting plate 2 is disposed on an upper portion of the supporting base plate 1, an L-shaped motor bracket 3 is disposed on a rear portion of the L-shaped supporting plate 2, a first motor 4 is disposed on the L-shaped motor bracket 3, a downward pressing cutting mechanism 5 is disposed on an upper portion of the L-shaped supporting plate 2, a linkage mechanism 6 is disposed on a lower portion of the L-shaped supporting plate 2, a steel pipe supporting base 7 is disposed on an upper portion of a right end of the L-shaped supporting plate 2, a cutting seam 8 is disposed at a left end of the steel pipe supporting base 7, a triangular limiting sliding chute 9 is disposed at a central portion above a left end of the L-shaped supporting plate 2, a steel pipe limiting base 10 is disposed above a left end of the L-shaped supporting plate 2, so as to solve the current progress and development of the social level, the increasing demand for various pipe products, but the steel pipe all adopts whole section production in process of production, often certain part needs the short tubular product of same size in batches in the in-service use process, but now generally after the former measurement of workman, cutting, still need carry out artifical fixed during the cutting, consume a large amount of time and labour, influence work efficiency's problem, through-hole 11 has been seted up on the L type backup pad 2, push down cutting mechanism 5 and set up inside through-hole 11, push down cutting mechanism 5 and include arc piece 12, arc piece 12 both ends are provided with traveller 13, traveller 13 lower extreme is provided with connecting block 14, connecting block 14 lower part is provided with kicking block 15, the inside ejector pin 16 that is provided with of kicking block 15, arc piece 12 top is provided with threaded rod 17, threaded rod 17 is provided with nut 18 in both ends from top to bottom, threaded rod 17 bottom is provided with spacing dish 19, the limiting plate 19 is provided with a U-shaped clamping block 20, the bottom of the U-shaped clamping block 20 is provided with a lower pressing plate 21, the side wall of the right end of the lower pressing plate 20 is provided with a motor supporting plate 22, the motor supporting plate 22 is provided with a second motor 23, the output end of the second motor 23 is provided with a cutting disc 24, the lower pressing cutting mechanism 5 slides up and down in the through hole 11 on the L-shaped supporting plate 2, the linkage mechanism 6 comprises a first rotating wheel 25, the first rotating wheel 25 is connected with the output end of the first motor 4, the first rotating wheel 25 is provided with a cam rotating disc 26, the front wall of the cam rotating disc 26 is provided with a sliding groove 27, the upper part of the sliding groove 27 is provided with a convex block 28, the cam rotating disc 26 is provided with a rotating column 29, the rotating column 29 is eccentrically provided with a first bearing 30, the first bearing 30 is provided with a first pull rod 31, the first pull rod 31 is provided with a first lead screw 32, the first screw rod 32 is screwed with a threaded sleeve 33, the left end of the threaded sleeve 33 is screwed with a second screw rod 34, the left end of the second screw rod 34 is provided with a second pull rod 35, the second pull rod 35 is provided with a U-shaped deflector rod 37 through a second bearing 36, the U-shaped deflector rod 37 is provided with a fixed rod 39 through a third bearing 38, the fixed rod 39 is fixedly arranged on the side wall of the L-shaped support plate 2, the bottom of the L-shaped support plate 2 is provided with a chute plate 40, the center of the chute plate 40 is provided with a T-shaped chute 41, a slide block 42 is arranged inside the T-shaped chute 41, the bottom of the slide block 42 is provided with a deflector rod 43, the upper end of the slide block 42 is provided with a pushing and positioning device 44, the pushing and positioning device 44 comprises a U-shaped support frame 45, the U-shaped support frame 45 is provided with a fourth bearing 46, the inner center of the fourth bearing 46 is provided with a front clamping plate 47, the outer center of fourth bearing 46 sets up back splint 48, be provided with preceding arc chuck 49 on the front splint 47, be provided with back arc chuck 50 on the back splint 48, preceding arc chuck 49 and the inside ratchet 51 that all is provided with of back arc chuck 50, first motor 4 sets up to servo motor, and is provided with the reduction gear on the first motor 4.

With continued reference to fig. 1-3, the downward-pressing cutting mechanism 5 includes an arc-shaped block 12, sliding posts 13 are disposed at two ends of the arc-shaped block 12, a connecting block 14 is disposed at a lower end of the sliding posts 13, an ejector block 15 is disposed at a lower portion of the connecting block 14, an ejector rod 16 is disposed inside the ejector block 15, a threaded rod 17 is disposed at a top portion of the arc-shaped block 12, nuts 18 are disposed at upper and lower ends of the threaded rod 17, a limiting disc 19 is disposed at a bottom end of the threaded rod 17, a U-shaped fixture block 20 is disposed on the limiting disc 19, a lower pressing plate 21 is disposed at a bottom portion of the U-shaped fixture block 20, a motor supporting plate 22 is disposed on a side wall of a right end of the lower pressing plate 20, a second motor 23 is disposed on the motor supporting plate 22, a cutting disc 24 is disposed at an output end of the second motor 23, the cam rotating disc 26 is driven by the first motor 4 to rotate, and the ejector rod 16 rotates inside a sliding groove 27 of the cam rotating disc 26, when the ejector rod 16 reaches the bump 28 in the sliding groove 27, the bump 28 presses the ejector rod 16 downwards, the ejector rod 16 drives the sliding column 13 on the downward pressing cutting mechanism 5 to move downwards in the through hole 11 on the L-shaped supporting plate 2 through downward pressing, and then the cutting disc 24 is driven to cut towards the cutting seam 8 of the steel pipe supporting base 7.

With continued reference to fig. 1-3, the linkage mechanism 6 includes a first rotating wheel 25, the first rotating wheel 25 is connected to an output end of the first motor 4, a cam rotating disc 26 is disposed on the first rotating wheel 25, a sliding slot 27 is disposed on a front wall of the cam rotating disc 26, a protruding block 28 is disposed on an upper portion of the sliding slot 27, a rotating column 29 is mounted on the cam rotating disc 26, a first bearing 30 is eccentrically disposed on the rotating column 29, a first pull rod 31 is disposed on the first bearing 30, a first lead screw 32 is disposed on the first pull rod 31, a threaded sleeve 33 is screwed on the first lead screw 32, a second lead screw 34 is screwed on a left end of the threaded sleeve 33, a second pull rod 35 is disposed on a left end of the second lead screw 34, the second pull rod 35 is provided with a U-shaped shift lever 37 through a second bearing 36, the U-shaped shift lever 37 is provided with a fixing rod 39 through a third bearing 38, the fixing rod 39 is fixedly arranged on the side wall of the L-shaped supporting plate 2, the cam rotating disc 26 is driven to rotate through the first motor 4, the rotating column 29 rotates along with the cam rotating disc 26, the first bearing 30 is driven to eccentrically move by the rotation of the rotating column 29, the first bearing 30 drives the poking rod 43 to move left and right by the first pull rod 31, the first lead screw 32, the threaded sleeve 33, the second lead screw 34, the second pull rod 35 and the second bearing 36 to pull the bottom end of the U-shaped poking rod 37, so that the U-shaped poking rod 37 swings left and right by taking the fixing rod 39 as a center, the left and right swinging of the U-shaped poking rod 37 drives the poking rod 43 to move left and right, the sliding block 42 is driven to slide left and right in the T-shaped sliding groove 41, meanwhile, the ejector rod 16 is separated from the bump 28 inside the sliding groove 27 and moves in the sliding groove 27, and the downward pressing cutting mechanism 5 is jacked up to keep a static state at the moment.

With continued reference to fig. 4-5, when the sliding block 42 moves inside the T-shaped sliding slot 41, the pushing and positioning device 44 moves along with the sliding block 42, when the pushing and positioning device 44 slides from left to right on the triangular limit sliding slot 9, the front clamping plate 47 and the rear clamping plate 48 of the pushing and positioning device 44 perform a tightening operation on the fourth bearing 46, the pipe is driven to move to the right by the unidirectional rotation of the ratchet wheel 51, when the pushing and positioning device 44 slides from right to left on the triangular limit sliding slot 9, the front clamping plate 47 and the rear clamping plate 48 of the pushing and positioning device 44 perform a stretching operation on the fourth bearing 46, and the ratchet wheel rotates on the pipe by the unidirectional rotation of the ratchet wheel 51.

The invention places the pipe to be processed on the steel pipe supporting base 7 and the steel pipe limiting seat 10, drives the cam turntable 26 to rotate through the first motor 4, at the moment, the rotary column 29 rotates along with the cam turntable 26, the rotation of the rotary column 29 drives the first bearing 30 to eccentrically move, the first bearing 30 drives the poking rod 43 to move left and right through the first pull rod 31, the first screw rod 32, the threaded sleeve 33, the second screw rod 34, the second pull rod 35 and the second bearing 36 to pull the bottom end of the U-shaped poking rod 37 so that the U-shaped poking rod 37 swings left and right with the fixed rod 39 as the center, the left and right swing of the U-shaped poking rod 37 drives the poking rod 43 to move left and right, further drives the sliding block 42 to slide left and right in the T-shaped sliding groove 41, meanwhile, the ejector rod 16 is separated from the bump 28 inside the sliding groove 27 to move in the sliding groove 27, at the moment, the pushing and the pushing cutting mechanism 5 is pushed up to keep a static state, when the sliding block 42 moves inside the T-shaped sliding groove 41, the pushing and positioning device 44 moves along with the sliding block 42, when the pushing and positioning device 44 slides to the right from the left on the triangular limiting sliding chute 9, the front clamping plate 47 and the rear clamping plate 48 of the pushing and positioning device 44 perform tightening operation on the fourth bearing 46, the tube is driven to move to the right through the unidirectional rotation of the ratchet wheel 51, when the push rod 16 rotates inside the sliding chute 27 of the cam rotating disc 26, when the push rod 16 reaches the bump 28 inside the sliding chute 27, the bump 28 presses down the push rod 16, the push rod 16 drives the sliding column 13 on the downward pressing and cutting mechanism 5 to move downward in the through hole 11 on the L-shaped supporting plate 2 through the driving force, the cutting disc 24 is driven to cut towards the cutting seam 8 of the steel tube supporting base 7, when the pushing and positioning device 44 slides to the left from the right on the triangular limiting sliding chute 9, the front clamping plate 47 and the rear clamping plate 48 of the pushing and positioning device 44 perform unfolding operation on the fourth bearing 46, through ratchet 51's unidirectional rotation effect, the ratchet rotates on tubular product, pushes down cutting mechanism and tubular product thrust unit and carries out reciprocal intermittent motion under the drive of cam carousel, carries out isometric processing to the steel pipe, and can press from both sides tightly fixed to the tubular product automatically, prevents that the artifical handheld fixed potential safety hazard that causes, has saved plenty of time and labour, has also improved machining efficiency.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A steel pipe cutting device with equidistant positioning function comprises a supporting bottom plate (1), it is characterized in that an L-shaped supporting plate (2) is arranged at the upper part of the supporting bottom plate (1), an L-shaped motor bracket (3) is arranged at the rear part of the L-shaped supporting plate (2), a first motor (4) is arranged on the L-shaped motor bracket (3), a downward pressing cutting mechanism (5) is arranged at the upper part of the L-shaped supporting plate (2), a linkage mechanism (6) is arranged at the lower part of the L-shaped supporting plate (2), a steel pipe supporting base (7) is arranged at the upper part of the right end of the L-shaped supporting plate (2), a cutting seam (8) is arranged at the left end of the steel pipe supporting base (7), a triangular limiting sliding groove (9) is arranged at the central part above the left end of the L-shaped supporting plate (2), a steel pipe limiting seat (10) is arranged above the left end of the L-shaped supporting plate (2).

2. The steel pipe cutting device with the equidistant positioning function according to claim 1, wherein the L-shaped supporting plate (2) is provided with a through hole (11), the downward pressing and cutting mechanism (5) is arranged inside the through hole (11), the downward pressing and cutting mechanism (5) comprises an arc-shaped block (12), two ends of the arc-shaped block (12) are provided with sliding columns (13), the lower end of the sliding column (13) is provided with a connecting block (14), the lower part of the connecting block (14) is provided with an ejector block (15), the inside of the ejector block (15) is provided with an ejector rod (16), the top of the arc-shaped block (12) is provided with a threaded rod (17), the upper end and the lower end of the threaded rod (17) are provided with nuts (18), the bottom end of the threaded rod (17) is provided with a limiting disc (19), the limiting disc (19) is provided with a U-shaped clamping block (20), the bottom of the U-shaped clamping block (20) is provided with a lower pressing plate (21), the cutting machine is characterized in that a motor supporting plate (22) is arranged on the side wall of the right end of the lower pressing plate (20), a second motor (23) is arranged on the motor supporting plate (22), and a cutting disc (24) is arranged at the output end of the second motor (23).

3. The steel pipe cutting device with equidistant positioning function according to claim 1, characterized in that the downward-pressing cutting mechanism (5) slides up and down inside the through hole (11) on the L-shaped support plate (2).

4. The steel pipe cutting device with the equidistant positioning function according to claim 1, wherein the linkage mechanism (6) comprises a first rotating wheel (25), the first rotating wheel (25) is connected with the output end of a first motor (4), a cam rotating disc (26) is arranged on the first rotating wheel (25), a sliding groove (27) is arranged on the front wall of the cam rotating disc (26), a convex block (28) is arranged on the upper portion of the sliding groove (27), a rotating column (29) is installed on the cam rotating disc (26), a first bearing (30) is eccentrically arranged on the rotating column (29), a first pull rod (31) is arranged on the first bearing (30), a first lead screw (32) is arranged on the first pull rod (31), a threaded sleeve (33) is screwed on the first lead screw (32), and a second lead screw (34) is screwed on the left end of the threaded sleeve (33), the left end of the second screw rod (34) is provided with a second pull rod (35), the second pull rod (35) is provided with a U-shaped deflector rod (37) through a second bearing (36), the U-shaped deflector rod (37) is provided with a fixing rod (39) through a third bearing (38), and the fixing rod (39) is fixedly arranged on the side wall of the L-shaped supporting plate (2).

5. The steel pipe cutting device with the equidistant positioning function according to claim 1, wherein a chute plate (40) is arranged at the bottom of the L-shaped supporting plate (2), a T-shaped chute (41) is arranged at the center of the chute plate (40), a sliding block (42) is arranged inside the T-shaped chute (41), a poke rod (43) is arranged at the bottom of the sliding block (42), and a pushing and positioning device (44) is arranged at the upper end of the sliding block (42).

6. The steel pipe cutting device with equidistant positioning function according to claim 5, wherein the pushing and positioning device (44) comprises a U-shaped support frame (45), a fourth bearing (46) is arranged on the U-shaped support frame (45), a front clamping plate (47) is arranged in the center of the fourth bearing (46), a rear clamping plate (48) is arranged in the center of the fourth bearing (46), a front arc-shaped clamping head (49) is arranged on the front clamping plate (47), a rear arc-shaped clamping head (50) is arranged on the rear clamping plate (48), and ratchets (51) are arranged in the front arc-shaped clamping head (49) and the rear arc-shaped clamping head (50).

7. The steel pipe cutting device with the equidistant positioning function according to claim 1, wherein the first motor (4) is a servo motor, and a speed reducer is arranged on the first motor (4).