CN219151886U

CN219151886U - High-efficient steel pipe laser cutting device

Info

Publication number: CN219151886U
Application number: CN202223547861.0U
Authority: CN
Inventors: 许艾迪
Original assignee: Wuhu Duwake Valve And Pipe Fitting Co ltd
Current assignee: Beijing Saicheng Ic Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-09
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a high-efficiency steel tube laser cutting device, which comprises: the cutting platform, the box body and the cutting mechanism; the cutting mechanism includes: the first cutting frame, the second cutting frame, the first blade, the second blade and the first rotating shaft; the vertical center department that sets up at the box body lower surface of first cutting frame, and the inside of first cutting frame is provided with first blade through first pivot level and rotationally, and the bilateral symmetry of first cutting frame is provided with two second cutting frames of interval adjustable, and the inside of two second cutting frames is provided with the second blade through second pivot level and rotationally respectively, and this high-efficient steel pipe laser cutting device overcomes among the prior art in cutting process, is connected through drive assembly and blade transmission, and drive assembly is used for driving the blade is circular motion around the rotation axis, so that the blade cuts tubular product, once only can cut out a section tubular product, problem that cutting efficiency is low.

Description

High-efficient steel pipe laser cutting device

Technical Field

The utility model relates to the field of pipe cutting equipment, in particular to a high-efficiency steel pipe laser cutting device.

Background

The pipe is the material used for making the pipe fitting. Different pipes are needed for different pipes, and the quality of the pipes is directly determined by the quality of the pipes. Such pipes are used for hydraulic engineering, construction engineering, power plant, chemical plant, etc. And the pipe production process needs to cut the segments.

The retrieved China patent application number is CN201820440430.9, and discloses a pipe cutting device which comprises: the driving assembly is in transmission connection with the blade, and the driving assembly is used for driving the blade to do circular motion around the rotation axis so that the blade can cut the pipe.

The inventors have found that the following problems exist in the prior art in the practice of the present utility model:

in the cutting process, the driving assembly is in transmission connection with the blade, the driving assembly is used for driving the blade to do circular motion around the rotation axis, so that the blade can cut a section of pipe at one time, and the cutting efficiency is low.

Therefore, the utility model provides a high-efficiency steel tube laser cutting device which can cut a plurality of sections of steel tubes at one time through a cutting mechanism in the use process, improves the cutting efficiency, and can adjust the blade of the cutting mechanism to meet the requirement of cutting steel tubes with various lengths.

Disclosure of Invention

Aiming at the technical problems, the utility model aims to solve the problems that in the prior art, in the cutting process, the driving assembly is in transmission connection with the blade, the driving assembly is used for driving the blade to do circular motion around the rotation axis so as to cut a pipe by the blade, only one section of pipe can be cut at one time, and the cutting efficiency is low, thereby providing the high-efficiency steel pipe laser cutting device which can cut a plurality of sections of steel pipes at one time through the cutting mechanism in the using process, improving the cutting efficiency and enabling the blade of the cutting mechanism to be adjustable so as to meet the requirement of cutting steel pipes with various lengths.

In order to achieve the above object, the present utility model provides a high-efficiency steel pipe laser cutting apparatus comprising: the cutting platform, the box body and the cutting mechanism;

the upper surface part of cutting platform inwards sunken form an arc structure and with tubular product looks adaptation spacing recess, be located spacing recess one end cutting platform's top level and liftable be provided with the box body, be provided with cutting mechanism on the box body, cutting mechanism includes: the first cutting frame, the second cutting frame, the first blade, the second blade and the first rotating shaft; wherein,,

the first cutting frame is vertically arranged at the center of the lower surface of the box body, the first cutting frame is horizontally and rotatably provided with a first blade through a first rotating shaft, two second cutting frames with adjustable intervals are symmetrically arranged at two sides of the first cutting frame, and the second cutting frames are horizontally and rotatably provided with second blades through second rotating shafts.

Preferably, the laser cutting device further includes a distance adjusting mechanism for adjusting a distance between the second cutting frame and the first cutting frame, the distance adjusting mechanism includes: the device comprises a distance adjusting screw, a distance adjusting slide block and a driving piece; wherein,,

the inner cavity of the box body is horizontally and rotatably provided with a distance adjusting screw rod with the end part, the surface of the end part is provided with screw threads with opposite directions, two distance adjusting sliding blocks which can move in the same direction or in opposite directions are respectively sleeved at the two ends of the distance adjusting screw rod, the lower surface of the box body is provided with an opening matched with the two distance adjusting sliding blocks, the tops of the two second cutting frames penetrate into the inner cavity of the box body from the opening and are respectively and fixedly arranged on the two distance adjusting sliding blocks,

the driving piece comprises a driven gear fixed in the middle of the distance adjusting screw; the driving motor is horizontally and fixedly arranged on the top of the inner cavity of the box body, and the driving gear which is in meshed connection with the driven gear is fixedly arranged on the output shaft of the driving motor which is horizontally arranged.

Preferably, the laser cutting device further includes a linkage mechanism for driving the first rotating shaft and the second rotating shaft to rotate synchronously, and the linkage mechanism includes: the device comprises a linkage motor, a linkage belt and a linkage belt pulley; wherein,,

a linkage motor is horizontally and fixedly arranged on the side wall of any one of the distance-adjusting slide blocks, an output shaft of the linkage motor is in transmission connection with the second rotating shaft corresponding to the distance-adjusting slide block through the linkage belt, a linkage belt pulley for assembling the linkage belt is respectively and fixedly arranged on the output shaft of the linkage motor and the second rotating shaft,

the fixed keys with rectangular structures are horizontally and fixedly arranged at the two ends of the first rotating shaft respectively, the two second rotating shafts face the end parts of the first rotating shaft respectively and partially sink inwards to form key grooves matched with the fixed keys, and the end parts of the two fixed keys on the first rotating shaft respectively and partially extend into the corresponding key grooves.

Preferably, a sliding rod parallel to the distance adjusting screw rod is horizontally and fixedly arranged in the inner cavity of the box body, and guide holes for the sliding rod to pass through are respectively formed in the bottom ends of the two distance adjusting sliding blocks.

Preferably, the laser cutting device further comprises a clamping mechanism for clamping the pipe, wherein at least one group of clamping mechanisms for clamping the pipe are arranged below the box body between the adjacent first cutting frame and the second cutting frame, and each clamping mechanism comprises a clamping sleeve, a clamping sliding block, a clamping spring, a clamping rod and a clamping block; wherein,,

the lower surface of the box body, which is located beside the first cutting frame, is vertically and fixedly provided with two groups of clamping sleeves symmetrical with respect to the first rotating shaft, each group of clamping sleeves is internally provided with a clamping slide block in a sliding manner, the top end of each clamping spring is vertically arranged at the top of each clamping sleeve, the bottom end of each clamping spring is fixedly arranged on each clamping slide block, the top end part of each clamping rod is vertically arranged in each clamping sleeve and is fixedly arranged in each clamping slide block, the bottom end of each clamping rod is horizontally fixedly provided with a clamping block, and the lower surface part of each clamping block is inwards recessed to form a clamping groove matched with a pipe.

Preferably, the laser cutting device further comprises a pushing mechanism for conveying the pipe, and the pushing mechanism comprises: a linear motor and a pushing plate; wherein,,

two groups of linear motors symmetrical to the limiting grooves are respectively and horizontally arranged on two sides of the cutting platform, the two groups of linear motors are vertically arranged, the bottoms of the two ends of the pushing plate can be attached to the upper surface of the cutting platform, and the bottoms of the two ends of the pushing plate are detachably and fixedly arranged on the upper surfaces of two groups of rotor seats of the linear motors respectively.

Preferably, the bottoms of the two ends of the pushing plate are respectively partially recessed inwards to form an assembly clamping groove, and the upper surfaces of the two groups of rotor seats of the linear motor are respectively vertically and fixedly provided with a fixed clamping block which can be embedded in the assembly clamping groove corresponding to the upper surfaces.

Preferably, the upper surface of the cutting platform positioned at one side of the limit groove is fixedly provided with an inverted L-shaped stand, the top of the stand is vertically and fixedly provided with a cylinder, the end part of a piston rod of the vertical stand is fixedly arranged on the upper surface of the box body,

the upper surface of box body is vertical fixedly to be provided with at least one with the parallel guide bar of cylinder, the top of grudging post is vertical to be run through and is provided with can supply the through-hole that the guide bar passed.

Preferably, the upper surface of the cutting platform at one end of the limiting groove is provided with avoiding grooves which are symmetrical to the limiting groove and are matched with the first blade or the second blade at equal intervals.

According to the technical scheme, the efficient steel pipe laser cutting device provided by the utility model has the beneficial effects that: when the steel pipe cutting device is used, a steel pipe to be processed is horizontally placed in the limiting groove on the cutting platform, the distance between the first cutting frame and the second cutting frame is adjusted according to the required cutting length, so that the distance between the first blade in the first cutting frame and the second blade in the second cutting frame meets the cutting length, after the adjustment is finished, the box body is moved downwards along the vertical direction, so that the first blade and the two groups of second blades on the cutting mechanism are driven to descend and cut the steel pipe, multiple sections of steel pipes with equal length can be obtained at one time, cutting efficiency is improved, and the distance between the two groups of first blades and the second blades of the cutting mechanism is adjustable, so that steel pipes with different lengths at the cutting position can be cut, and the steel pipe cutting device is flexible to use.

Additional features and advantages of the utility model will be set forth in the detailed description which follows; and none of the utility models are related to the same or are capable of being practiced in the prior art.

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 description serve to explain, without limitation, the utility model. In the drawings:

fig. 1 is a schematic structural view of a high efficiency steel pipe laser cutting apparatus provided in a preferred embodiment of the present utility model;

fig. 2 is a schematic structural view of a cutting mechanism of a high-efficiency steel pipe laser cutting apparatus provided in a preferred embodiment of the present utility model;

FIG. 3 is a top plan view of the structure of FIG. 2;

FIG. 4 is a schematic view of the internal structure of FIG. 2 (cutting mechanism);

FIG. 5 is a structural cross-sectional view of the cutting mechanism;

FIG. 6 is an assembled schematic view of the first and second shafts of the cutting mechanism;

fig. 7 is a schematic exploded view of a pushing mechanism of a high-efficiency steel pipe laser cutting apparatus according to a preferred embodiment of the present utility model.

Description of the reference numerals

1. A cutting platform; 2. a case body; 3. a vertical frame; 4. a cutting mechanism; 401. a first cutting frame; 402. a second cutting frame; 403. a first blade; 404. a second blade; 405. a first rotating shaft; 406. a second rotating shaft; 5. a cylinder; 6. a clamping mechanism; 601. clamping the sleeve; 602. clamping the sliding block; 603. a clamping spring; 604. a clamping rod; 605. a clamping block; 7. a linkage mechanism; 701. a linkage motor; 702. a linkage belt; 703. a linkage belt pulley; 8. a guide rod; 9. a pushing mechanism; 901. a linear motor; 902. a pushing plate; 10. a limit groove; 11. a distance adjusting mechanism; 1101. a distance adjusting screw; 1102. a distance-adjusting slide block; 1103. a driving member; 12. a slide bar; 13. a fixed key; 14. a key slot; 15. fixing the clamping block; 16. avoiding the groove.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

As shown in fig. 1 to 7, the present utility model provides a high-efficiency steel pipe laser cutting device, which includes: a cutting platform 1, a box body 2 and a cutting mechanism 4;

the upper surface part of cutting platform 1 inwards sunken form a limit groove 10 of arc structure and with tubular product looks adaptation, be located limit groove 10 one end cutting platform 1's top level and liftable be provided with box body 2, be provided with cutting mechanism 4 on the box body 2, cutting mechanism 4 includes: a first cutting frame 401, a second cutting frame 402, a first blade 403, a second blade 404, and a first rotating shaft 405; wherein,,

the first cutting frame 401 is vertically disposed at the center of the lower surface of the box body 2, a first blade 403 is horizontally and rotatably disposed in the first cutting frame 401 through a first rotating shaft 405, two second cutting frames 402 with adjustable intervals are symmetrically disposed at two sides of the first cutting frame 401, and second blades 404 are horizontally and rotatably disposed in the second cutting frames 402 through second rotating shafts 406.

In the above scheme, when in use, the steel pipe to be processed is horizontally placed in the limit groove 10 on the cutting platform 1, the distance between the first cutting frame 401 and the second cutting frame 402 is adjusted according to the required cutting length, so that the distance between the first blade 403 in the first cutting frame 401 and the second blade 404 in the second cutting frame 402 meets the cutting length, after the adjustment is finished, the box body 2 is moved downwards along the vertical direction, so as to drive the first blade 403 and the two groups of second blades 404 on the cutting mechanism 4 to descend and cut the steel pipe, thereby obtaining multiple sections of steel pipes with equal length at a time, further improving the cutting efficiency, and as the distance between the two groups of first blades 403 and the second blades 404 of the cutting mechanism is adjustable, the steel pipe cutting machine can cut steel pipes with different lengths at the cutting position and is flexible to use.

In a preferred embodiment of the present utility model, the laser cutting device further comprises a distance adjusting mechanism 11 for adjusting the distance between the second cutting frame 402 and the first cutting frame 401, and the distance adjusting mechanism 11 comprises: a set screw 1101, a set slider 1102, and a drive 1103; wherein,,

the inner cavity of the box body 2 is horizontally and rotatably provided with a distance adjusting screw 1101 with opposite screw thread directions on the surface of the end part, two distance adjusting slide blocks 1102 which can move along the horizontal direction in the same direction or in opposite directions are respectively sleeved at the two ends of the distance adjusting screw 1101, the lower surface of the box body 2 is provided with openings matched with the two distance adjusting slide blocks 1102, the tops of the two second cutting frames 402 penetrate into the inner cavity of the box body from the openings and are respectively and fixedly arranged on the two distance adjusting slide blocks 1102,

the driving piece 1103 comprises a driven gear fixed at the middle part of the pitch adjusting screw 1101; the driving motor is horizontally and fixedly arranged on the top of the inner cavity of the box body 2, and the driving gear which is in meshed connection with the driven gear is fixedly arranged on the output shaft of the driving motor which is horizontally arranged.

In the above scheme, when in use, the distance adjusting screw 1101 is rotated to drive the two distance adjusting sliders 1102 at the two ends thereof to approach or separate from each other, so as to drive the two sets of second cutting frames 402 to approach or separate from the first cutting frame 401, so as to adjust the spacing between the two sets of second blades 404 and the first blades 403, thereby being capable of cutting steel pipes with different lengths.

In addition, the drive unit 1103 is activated to rotate the pitch screw 1101, specifically: the distance adjusting screw 1101 is driven to rotate by driving the driving motor and under the mutual cooperation of the driven gear and the driving gear which are meshed with each other.

In a preferred embodiment of the present utility model, the laser cutting device further includes a linkage 7 for driving the first rotation shaft 405 and the second rotation shaft 406 to rotate synchronously, and the linkage 7 includes: a linked motor 701, a linked belt 702, and a linked pulley 703; wherein,,

a linkage motor 701 is horizontally and fixedly arranged on the side wall of any one of the distance-adjusting slide blocks 1102, the output shaft of the linkage motor 701 is in transmission connection with the second rotating shaft 406 corresponding to the distance-adjusting slide block 1102 through the linkage belt 702, a linkage belt pulley 703 for assembling the linkage belt 702 is fixedly arranged on the output shaft of the linkage motor 701 and the second rotating shaft 406 respectively,

the two ends of the first rotating shaft 405 are respectively and horizontally fixed with a fixing key 13 with a rectangular structure, the two ends of the second rotating shaft 406 facing the end parts of the first rotating shaft 405 are respectively and partially recessed inwards to form key grooves 14 matched with the fixing keys 13, and the end parts of the two fixing keys 13 on the first rotating shaft 405 are respectively and partially extended into the corresponding key grooves 14.

In the above scheme, in use, the output shaft of the linkage motor 701 is in transmission connection with the second rotating shaft 406 under the cooperation of the linkage belt 702 and the linkage belt pulley 703.

Therefore, the linkage motor 701 is driven to rotate the second rotating shaft 406, and the second rotating shaft 406 drives the first rotating shaft 405 to rotate together in the rotating process due to the cooperation of the fixed key 13 and the key slot 14 between the second rotating shaft 406 and the first rotating shaft 405, so that the first blade 403 and the second blade 404 can be driven to rotate together, and the steel pipe can be cut.

In a preferred embodiment of the present utility model, a sliding rod 12 parallel to the distance-adjusting screw 1101 is fixedly disposed in the inner cavity of the box 2, and guiding holes through which the sliding rod 12 passes are respectively formed at the bottom ends of the two distance-adjusting sliders 1102.

In the above-mentioned scheme, under the co-operation of the guide holes of the slide rod 12 and the distance adjusting slider 1102, it can be ensured that the two distance adjusting sliders 1102 can be driven to move horizontally along their shaft bodies during the process of rotating the distance adjusting screw 1101.

In a preferred embodiment of the present utility model, the laser cutting device further comprises a clamping mechanism 6 for clamping the pipe, at least one group of clamping mechanisms 6 for clamping the pipe are arranged below the box body 2 between the adjacent first cutting frame 401 and the second cutting frame 402, and the clamping mechanisms 6 comprise a clamping sleeve 601, a clamping sliding block 602, a clamping spring 603, a clamping rod 604 and a clamping block 605; wherein,,

the lower surface of the box body 2 located beside the first cutting frame 401 is vertically and fixedly provided with two groups of clamping sleeves 601 symmetrical with respect to the first rotating shaft 405, each group of clamping sleeves 601 is internally provided with a clamping slide block 602 in a sliding manner, the top ends of the clamping springs 603 which are vertically arranged are fixedly arranged at the top of the clamping sleeves 601, the bottom ends of the clamping springs 603 which are vertically arranged are fixedly arranged on the clamping slide blocks 602, the top end parts of the clamping rods 604 which are vertically arranged extend into the clamping sleeves 601 and are fixedly arranged in the clamping slide blocks 602, the bottom ends of the clamping rods are horizontally and fixedly provided with clamping blocks 605, and the lower surface parts of the clamping blocks 605 are inwards recessed to form clamping grooves matched with pipes.

In the above-mentioned scheme, when the cutting mechanism 4 descends and cuts the steel pipe horizontally placed in the limit groove 10 on the cutting platform 1, the clamping mechanism 6 is driven to descend together until the clamping block 605 contacts and abuts against the upper surface of the steel pipe to clamp and fix the steel pipe, when the cutting mechanism 4 continues to descend to enable the first blade 403 and the second blade 404 to cut the steel pipe, the clamping spring 603 of the clamping mechanism 6 is compressed, so that the clamping spring 603 is in a compressed state, after cutting is finished, the cutting mechanism 4 is lifted up in the vertical direction, and in the lifting process, the clamping spring 603 starts to recover to an initial state until the clamping block 605 of the clamping mechanism 6 leaves the steel pipe.

In a preferred embodiment of the present utility model, the laser cutting device further comprises a pushing mechanism 9 for conveying the pipe, said pushing mechanism 9 comprising: a linear motor 901 and a pusher plate 902; wherein,,

two groups of linear motors 901 symmetrical with respect to the limiting grooves 10 are respectively and horizontally arranged on two sides of the cutting platform 1, the two groups of linear motors 901 are vertically arranged, bottoms of two ends of the pushing plate 902 can be attached to the upper surface of the cutting platform 1, and the bottoms of two ends of the pushing plate 902 are detachably and fixedly arranged on the upper surfaces of two groups of rotor seats of the linear motors 901 respectively.

In the above scheme, after cutting is finished, when the cutting mechanism 4 rises to the initial position, the linear motor 901 is started to drive the pushing plate 902 to move the steel pipe along the horizontal direction along the limit groove 10 inward toward the end where the cutting mechanism 4 is located, and in the moving process, the cut multi-section steel pipe is pushed forward together until the cut multi-section steel pipe falls from the end of the cutting platform 1, so as to realize the function of automatic discharging.

In the above-mentioned scheme, the linear motor 901 is a conventional known technical common knowledge, so the specific structure and the use principle thereof will not be described herein.

In a preferred embodiment of the present utility model, the bottoms of the two ends of the pushing plate 902 are respectively partially recessed inwards to form an assembly clamping groove, and the upper surfaces of the mover seats of the two groups of linear motors 901 are respectively vertically and fixedly provided with a fixing clamping block 15 capable of being embedded in the assembly clamping groove corresponding to the fixing clamping block.

In the above-mentioned scheme, the pushing plate 902 is detachably and rapidly assembled on the linear motor 901 by the cooperation of the assembly clamping groove and the fixing clamping block 15, so as to facilitate maintenance of the pushing plate 902.

In a preferred embodiment of the present utility model, an inverted L-shaped stand 3 is fixedly arranged on the upper surface of the cutting platform 1 at one side of the limit groove 10, a cylinder 5 is vertically and fixedly arranged at the top of the stand 3, the end of a piston rod of the vertical cylinder is fixedly arranged on the upper surface of the box body 2,

the upper surface of the box body 2 is vertically and fixedly provided with at least one guide rod 8 parallel to the air cylinder 5, and the top of the vertical frame 3 is vertically and penetratingly provided with a through hole through which the guide rod 8 can penetrate.

In the above scheme, the cylinder 5 drives the box body 2 to lift along the vertical direction so as to lift the cutting mechanism 4, and under the common cooperation of the guide rod 8 and the through hole of the vertical frame 3, the cylinder 5 is ensured to drive the box body 2 and the cutting mechanism 4 arranged on the box body 2 to lift along the vertical direction stably and reliably.

In the above-mentioned scheme, the cylinder 5 is a common general knowledge of the prior art, and therefore, the specific structure and the use principle thereof will not be described herein.

In a preferred embodiment of the present utility model, the upper surface of the cutting platform 1 at one end of the limiting groove 10 is provided with avoiding grooves 16 which are symmetrical with respect to the limiting groove 10 and are matched with the first blade 403 or the second blade 404 at equal intervals.

In the above scheme, through the dodging groove 16 that sets up so that cutting mechanism 4 is carrying out the in-process of cutting to the steel pipe, prevent first blade 403 with second blade 404 can pass when cutting to the steel pipe dodge groove 16, avoid direct cutting to cutting platform 1 is last to first blade 403 and second blade 404 cause the damage.

In summary, the high-efficiency steel pipe laser cutting device provided by the utility model overcomes the problems that in the cutting process in the prior art, a driving assembly is in transmission connection with a blade, and the driving assembly is used for driving the blade to do circular motion around a rotation axis so as to enable the blade to cut a pipe, only one pipe can be cut at one time, and the cutting efficiency is low.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. High-efficient steel pipe laser cutting device, its characterized in that, high-efficient steel pipe laser cutting device includes: a cutting platform (1), a box body (2) and a cutting mechanism (4);

the utility model discloses a cutting device, including cutting platform (1), cutting mechanism (4), box body (2) are provided with in the upper surface part of cutting platform (1) inwards sunken limit groove (10) that forms an arc structure and match with tubular product, be located limit groove (10) one end the top level of cutting platform (1) just liftable, be provided with cutting mechanism (4) on box body (2), cutting mechanism (4) include: a first cutting frame (401), a second cutting frame (402), a first blade (403), a second blade (404) and a first spindle (405); wherein,,

the first cutting frame (401) is vertically arranged at the center of the lower surface of the box body (2), the first cutting frame (401) is horizontally and rotatably provided with a first blade (403) through a first rotating shaft (405), two second cutting frames (402) with adjustable intervals are symmetrically arranged at two sides of the first cutting frame (401), and the second cutting frames (402) are horizontally and rotatably provided with second blades (404) through second rotating shafts (406) respectively.

2. A high efficiency steel pipe laser cutting apparatus according to claim 1, further comprising a distance adjusting mechanism (11) for adjusting the distance between the second cutting frame (402) and the first cutting frame (401), the distance adjusting mechanism (11) comprising: a pitch screw (1101), a pitch slider (1102) and a drive (1103); wherein,,

the inner cavity of the box body (2) is horizontally and rotatably provided with a distance adjusting screw (1101) with opposite screw thread directions on the surface, two distance adjusting sliding blocks (1102) which can move along the horizontal direction in the same direction or in opposite directions are respectively sleeved at the two ends of the distance adjusting screw, the lower surface of the box body (2) is provided with an opening matched with the two distance adjusting sliding blocks (1102), the tops of the two second cutting frames (402) penetrate into the inner cavity of the box body from the opening and are respectively and fixedly arranged on the two distance adjusting sliding blocks (1102),

the driving piece (1103) comprises a driven gear fixed in the middle of the distance adjusting screw (1101); the driving motor is horizontally and fixedly arranged on the top of the inner cavity of the box body (2), and the driving gear which is in meshed connection with the driven gear is fixedly arranged on the output shaft of the driving motor which is horizontally arranged.

3. A high efficiency steel pipe laser cutting apparatus according to claim 2, further comprising a linkage (7) for driving the first and second shafts (405, 406) to rotate synchronously, the linkage (7) comprising: a linkage motor (701), a linkage belt (702) and a linkage belt pulley (703); wherein,,

a linkage motor (701) is horizontally and fixedly arranged on the side wall of any distance-adjusting slide block (1102), the output shaft of the linkage motor (701) is in transmission connection with the second rotating shaft (406) corresponding to the distance-adjusting slide block (1102) through the linkage belt (702), the output shaft of the linkage motor (701) and the second rotating shaft (406) are respectively and fixedly provided with a linkage belt pulley (703) for assembling the linkage belt (702),

the fixed key (13) that is rectangular structure is fixed to the both ends of first pivot (405) respectively level, and two second pivot (406) orientation first pivot (405) tip respectively the part inwards sunken form with keyway (14) of fixed key (13) looks adaptation, the tip of two fixed keys (13) on first pivot (405) is partly stretched into respectively rather than in corresponding keyway (14).

4. The efficient steel pipe laser cutting device according to claim 2, wherein a sliding rod (12) parallel to the distance adjusting screw rod (1101) is horizontally and fixedly arranged in the inner cavity of the box body (2), and guide holes for the sliding rod (12) to pass through are respectively formed in the bottom ends of the two distance adjusting sliding blocks (1102).

5. A high efficiency steel pipe laser cutting apparatus according to claim 1, further comprising a clamping mechanism (6) for clamping the pipe, wherein at least one group of clamping mechanisms (6) for clamping the pipe is arranged below the box body (2) between the adjacent first cutting frame (401) and second cutting frame (402), and the clamping mechanism (6) comprises a clamping sleeve (601), a clamping slide block (602), a clamping spring (603), a clamping rod (604) and a clamping block (605); wherein,,

two groups of clamping sleeves (601) symmetrical to the first rotating shaft (405) are vertically and fixedly arranged on the lower surface of the box body (2) beside the first cutting frame (401), clamping sliding blocks (602) are slidably arranged in each group of clamping sleeves (601), the top ends of the clamping springs (603) which are vertically arranged are fixedly arranged at the top of the clamping sleeves (601), the bottom ends of the clamping springs are fixedly arranged on the clamping sliding blocks (602), the top end parts of the clamping rods (604) which are vertically arranged extend into the clamping sleeves (601) and are fixedly arranged in the clamping sliding blocks (602), clamping blocks (605) are horizontally and fixedly arranged at the bottom ends of the clamping rods, and the bottom surface parts of the clamping blocks (605) are inwards recessed to form clamping grooves matched with pipes.

6. A high efficiency steel pipe laser cutting apparatus according to claim 1, further comprising a pushing mechanism (9) for conveying pipe material, the pushing mechanism (9) comprising: a linear motor (901) and a pushing plate (902); wherein,,

two groups of linear motors (901) symmetrical with respect to the limiting grooves (10) are respectively and horizontally arranged on two sides of the cutting platform (1), the two groups of linear motors are vertically arranged, bottoms of two ends of the pushing plate (902) can be attached to the upper surface of the cutting platform (1), and the bottoms of two ends of the pushing plate are respectively and detachably fixed on the upper surfaces of two groups of rotor seats of the linear motors (901).

7. The efficient steel pipe laser cutting device according to claim 6, wherein bottoms of two ends of the pushing plate (902) are respectively partially recessed inwards to form an assembly clamping groove, and upper surfaces of the rotor seats of the two groups of linear motors (901) are respectively vertically and fixedly provided with a fixed clamping block (15) which can be embedded in the assembly clamping groove corresponding to the upper surfaces.

8. The efficient steel pipe laser cutting device according to claim 1, wherein an inverted L-shaped stand (3) is fixedly arranged on the upper surface of the cutting platform (1) positioned at one side of the limit groove (10), an air cylinder (5) is vertically and fixedly arranged at the top of the stand (3), the end part of a piston rod of the air cylinder is fixedly arranged on the upper surface of the box body (2),

the upper surface of box body (2) is vertical fixedly provided with at least one with guide bar (8) of cylinder (5) parallel, the top of grudging post (3) is vertical to be run through and is provided with can supply guide bar (8) through the through-hole.

9. The efficient steel pipe laser cutting device according to claim 1, wherein avoidance grooves (16) which are symmetrical to the limit groove (10) and are matched with the first blade (403) or the second blade (404) are formed in the upper surface of the cutting platform (1) at one end of the limit groove (10) at equal intervals.