阅读说明：本技术 一种水利工程用管道切割设备 (Pipeline cutting equipment for hydraulic engineering ) 是由 蒋正明 于 2021-08-04 设计创作，主要内容包括：本发明属于管道切割技术领域,尤其是一种水利工程用管道切割设备,针对现有的管道切割设备存在操作麻烦,切割效率低,切割不稳定,且切割产生的灰尘不便于清理的问题,现提出如下方案,其包括底座,底座的顶部对称设置有两个竖板,两个竖板相互靠近的一侧均固定连接有推杆气缸,两个推杆气缸的输出轴上固定连接有同一个横向板,横向板上开设有两个滑孔,两个滑孔内均滑动安装有竖杆,两个竖杆上均转动安装有切割刀,两个竖杆上均转动安装有边轴,两个边轴分别与两个切割刀传动连接,两个竖杆上均转动安装有斜杆的一端。本发明操作方便,方便对管道切割,可以提高切割效率和稳定性,同时可以将切割产生的灰尘清理。(The invention belongs to the technical field of pipeline cutting, and particularly relates to pipeline cutting equipment for hydraulic engineering, which comprises a base, wherein two vertical plates are symmetrically arranged at the top of the base, push rod air cylinders are fixedly connected to one sides of the two vertical plates, which are close to each other, the output shafts of the two push rod air cylinders are fixedly connected with the same transverse plate, two sliding holes are formed in the transverse plate, vertical rods are slidably arranged in the two sliding holes, cutting knives are rotatably arranged on the two vertical rods, side shafts are rotatably arranged on the two vertical rods, the two side shafts are respectively in transmission connection with the two cutting knives, and one ends of inclined rods are rotatably arranged on the two vertical rods. The invention has convenient operation, is convenient for cutting the pipeline, can improve the cutting efficiency and stability, and can clear the dust generated by cutting.)

1. A pipeline cutting device for hydraulic engineering comprises a base (1) and is characterized in that two vertical plates (2) are symmetrically arranged at the top of the base (1), push rod cylinders (3) are fixedly connected to one sides, close to each other, of the two vertical plates (2), the same transverse plate (4) is fixedly connected to output shafts of the two push rod cylinders (3), two sliding holes (5) are formed in the transverse plate (4), vertical rods (6) are slidably mounted in the two sliding holes (5), cutting knives (7) are rotatably mounted on the two vertical rods (6), side shafts (12) are rotatably mounted on the two vertical rods (6), the two side shafts (12) are respectively in transmission connection with the two cutting knives (7), one ends of inclined rods (11) are rotatably mounted on the two vertical rods (6), sliding plates (13) are rotatably mounted at the other ends of the two inclined rods (11), the two sliding plates (13) are both connected with the transverse plate (4) in a sliding manner, a supporting plate (16) is fixedly arranged between the two sliding plates (13), the top of the supporting plate (16) is fixedly connected with a servo motor (17), the servo motor (17) is in transmission connection with the two side shafts (12), the bottoms of the two sliding plates (13) are fixedly provided with the same top arc-shaped seat (14), the top of the base (1) is provided with a bottom arc-shaped seat (23), the top of the base (1) is provided with two fixing plates (25), the same driving shaft (29) is rotatably arranged between the two fixing plates (25), the outer side of the driving shaft (29) is provided with two circular plates (28), the outer sides of the two circular plates (28) are respectively provided with a plurality of arc-shaped pads (33), the bottom arc-shaped seat (23) is provided with a through hole (31), the driving shaft (29) is rotatably connected with the through hole (31), and the driving shaft (29) is in transmission connection with a linkage rod (26), the two sliding plates (13) are embedded with dust suction cylinders (36), dust suction shafts (41) are rotatably arranged in the two dust suction cylinders (36), the two dust suction shafts (41) are in transmission connection with the linkage rod (26), and fans (42) are arranged on the two dust suction shafts (41).

2. The pipeline cutting equipment for the water conservancy project according to claim 1, wherein a large belt pulley (18) is fixedly installed on an output shaft of the servo motor (17), middle belt pulleys (19) are installed on the two sliding plates (13) in a rotating mode, side belt pulleys (22) are installed on the outer sides of the two side shafts (12) in a sleeved mode, and the outer sides of the two side belt pulleys (22), the two middle belt pulleys (19) and the large belt pulley (18) are connected with the same belt (21) in a transmission mode.

3. The pipe cutting equipment for the water conservancy project according to claim 1, wherein two U-shaped plates (20) are arranged on each sliding plate (13), guide rollers (45) are embedded in the top inner wall and the bottom inner wall of each U-shaped plate (20), and the guide rollers (45) are in transmission connection with the belt (21).

4. The pipe cutting equipment for hydraulic engineering according to claim 1, characterized in that a plurality of rollers (24) are arranged inside the top arc seat (14) and the bottom arc seat (23).

5. The pipe cutting equipment for the water conservancy project according to claim 1, wherein one end of the side shaft (12) is fixedly provided with a second conveying wheel (10), the cutting knife (7) is provided with a first conveying wheel (8), and the first conveying wheel (8) and the second conveying wheel (10) are in transmission connection with a same conveying belt (9).

6. The pipe cutting equipment for the water conservancy project according to claim 1, wherein one ends of a plurality of springs (15) are fixedly mounted at the top of the top arc-shaped seat (14), and the other ends of the plurality of springs (15) are fixedly mounted with the bottom of the transverse plate (4).

7. The pipe cutting equipment for the water conservancy project according to claim 1, wherein a worm wheel (30) is sleeved on the outer side of the driving shaft (29), a worm (32) is fixedly installed on the outer side of the linkage rod (26), and the worm (32) is meshed with the worm wheel (30).

8. The pipe cutting equipment for the water conservancy project according to claim 1, wherein a driving motor (27) is fixedly connected to one fixing plate (25) of the two fixing plates (25), and an output shaft of the driving motor (27) is fixedly installed with the driving shaft (29).

9. The pipe cutting equipment for the water conservancy project according to claim 1, wherein the two ends of the linkage rod (26) are fixedly provided with second chain wheels (44), the two dust suction shafts (41) are fixedly provided with first chain wheels (43), and the first chain wheels (43) and the second chain wheels (44) are meshed with a same chain (37).

10. The pipeline cutting equipment for the water conservancy project according to claim 1, wherein a plurality of elastic grooves are uniformly formed in the outer side of the circular plate (28), elastic rods (34) are slidably mounted in the elastic grooves, a buffer spring (35) is fixedly mounted between each elastic rod (34) and each elastic groove, and each elastic rod (34) and the corresponding arc-shaped pad (33) are fixedly mounted.

Technical Field

The invention relates to the technical field of pipeline cutting, in particular to pipeline cutting equipment for hydraulic engineering.

Background

Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in the nature to achieve the purposes of removing harmful substances and benefiting benefits, and is also called water engineering. Water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only construct hydraulic engineering, could control rivers, prevent flood disasters, and carry out the regulation and the distribution of water yield, with satisfy people's life and production to the needs of water resource, hydraulic engineering needs to be built the dam, the dyke, spillway, the sluice, a water inlet, the channel, the different grade type's such as ferry-boat groove, raft, fishway hydraulic buildings, in order to realize its target, hydraulic engineering needs to install the pipeline, the length demand of pipeline differs sometimes, need cut the pipeline to suitable length, install again.

The existing pipeline cutting equipment has the defects of troublesome operation, low cutting efficiency, unstable cutting and inconvenient cleaning of dust generated by cutting.

Disclosure of Invention

The invention aims to solve the defects that the existing pipeline cutting equipment is troublesome to operate, low in cutting efficiency, unstable in cutting and inconvenient to clean dust generated by cutting, and provides the pipeline cutting equipment for the hydraulic engineering.

In order to achieve the purpose, the invention adopts the following technical scheme:

a pipeline cutting device for hydraulic engineering comprises a base, wherein two vertical plates are symmetrically arranged at the top of the base, one sides of the two vertical plates, which are close to each other, are fixedly connected with push rod air cylinders, the output shafts of the two push rod air cylinders are fixedly connected with a transverse plate, the transverse plate is provided with two sliding holes, vertical rods are respectively and slidably arranged in the two sliding holes, cutting knives are respectively and rotatably arranged on the two vertical rods, side shafts are respectively and rotatably arranged on the two vertical rods, one ends of oblique rods are respectively and rotatably arranged on the two vertical rods, the other ends of the two oblique rods are respectively and rotatably arranged with sliding plates, the two sliding plates are respectively and slidably connected with the transverse plate, a supporting plate is fixedly arranged between the two sliding plates, the top of the supporting plate is fixedly connected with a servo motor, the servo motor is in transmission connection with the two side shafts, the bottoms of the two sliding plates are fixedly provided with a same top arc-shaped seat, the top of base is provided with bottom arc seat, the top of base is provided with two fixed plates, rotate between two fixed plates and install same drive shaft, the outside of drive shaft is provided with two plectanes, the outside of two plectanes all is provided with a plurality of arc pads, the through-hole has been seted up on the arc seat of bottom, the drive shaft rotates with the through-hole to be connected, the transmission is connected with the gangbar in the drive shaft, it has a dust absorption section of thick bamboo all to embed on two slides, all rotate in two dust absorption sections of thick bamboo and install the dust absorption axle, two dust absorption axles all are connected with the gangbar transmission, two epaxial fans that all are provided with of dust absorption.

Preferably, fixed mounting has big belt pulley on servo motor's the output shaft, all rotates on two slides and installs middle belt pulley, and the outside of two limit axles is all overlapped and is equipped with the limit belt pulley, and the outside transmission of two limit belt pulleys, two middle belt pulleys and big belt pulley is connected with same belt.

Preferably, all be provided with two U templates on two slides, all embedded having the deflector roll on the top inner wall of U template and the bottom inner wall, the deflector roll is connected with belt transmission.

Preferably, a plurality of rollers are arranged inside the top arc seat and the bottom arc seat.

Preferably, a second conveying wheel is fixedly mounted at one end of the side shaft, a first conveying wheel is arranged on the cutting knife, and the first conveying wheel and the second conveying wheel are in transmission connection with a same conveying belt.

Preferably, the top of top arc seat is fixed with the one end of a plurality of springs, and the other end of a plurality of springs all with the bottom fixed mounting of horizontal board.

Preferably, the outer side of the driving shaft is sleeved with a worm wheel, the outer side of the linkage rod is fixedly provided with a worm, and the worm is meshed with the worm wheel.

Preferably, one of the two fixing plates is fixedly connected with a driving motor, and an output shaft of the driving motor is fixedly installed with the driving shaft.

Preferably, both ends of the linkage rod are fixedly provided with second chain wheels, the two dust collection shafts are fixedly provided with first chain wheels, and the first chain wheels and the second chain wheels are meshed with a same chain.

Preferably, a plurality of elastic grooves are uniformly formed in the outer side of the circular plate, elastic rods are slidably mounted in the elastic grooves, buffer springs are fixedly mounted between the elastic rods and the elastic grooves, and the elastic rods and the corresponding arc-shaped pads are fixedly mounted.

Compared with the prior art, the invention has the advantages that:

(1) according to the scheme, the two push rod cylinders push the transverse plate to move downwards, the transverse plate drives the two cutting knives and the top arc seat to move downwards, the top arc seat is firstly contacted with the pipeline and is subjected to upward extrusion force, and the top arc seat and the bottom arc seat are matched to fix the pipeline, so that the cutting stability can be ensured;

(2) meanwhile, the top arc seat drives the two vertical rods and the two cutting knives to be close to each other through the two sliding plates and the two inclined rods, the servo motor drives the large belt pulley to rotate, the two side shafts are driven to rotate through the two side belt pulleys and the two middle belt pulleys, the two side shafts drive the two cutting knives to rotate through the two second conveying wheels, the two first conveying wheels and the two conveying belts, the two cutting knives are close to the pipeline when rotating, the two sides of the pipeline can be cut, and the cutting efficiency can be improved through double-knife cutting;

(3) when cutting, the driving motor drives the two circular plates to rotate through the driving shaft, the circular plates drive the pipeline to rotate through the plurality of arc-shaped pads, and the arranged buffer springs can provide elasticity for the elastic rods and the arc-shaped pads, so that the arc-shaped pads are in close contact with the pipeline, the friction force is increased, and the pipeline can rotate and cut uninterruptedly;

(4) meanwhile, the driving shaft drives the linkage rod to rotate through the worm wheel and the worm, the linkage rod drives the two second chain wheels to rotate, the two dust collection shafts rotate through the two first chain wheels and the two chains, the two dust collection shafts drive the two fans to rotate to generate suction, and dust generated by cutting can be sucked away and cleaned.

The invention has convenient operation, is convenient for cutting the pipeline, can improve the cutting efficiency and stability, and can clear the dust generated by cutting.

Drawings

Fig. 1 is a schematic structural diagram of a pipeline cutting device for hydraulic engineering according to the present invention;

fig. 2 is a schematic view of a connection structure of a transverse plate, a vertical rod, a servo motor, a belt and the like of the pipeline cutting equipment for the hydraulic engineering, which is provided by the invention;

fig. 3 is a schematic structural view of part a of the pipe cutting apparatus for hydraulic engineering according to the present invention;

fig. 4 is a schematic structural view of part B of a pipeline cutting device for hydraulic engineering according to the present invention;

fig. 5 is a schematic structural diagram of a bottom arc seat, a circular plate, a fixing plate and a driving motor of the pipeline cutting equipment for hydraulic engineering according to the present invention;

fig. 6 is a schematic structural view of a U-shaped plate and a guide roller of the pipe cutting device for hydraulic engineering according to the present invention.

In the figure: 1. a base; 2. a vertical plate; 3. a push rod cylinder; 4. a transverse plate; 5. a slide hole; 6. a vertical rod; 7. a cutting knife; 8. a first transfer wheel; 9. a conveyor belt; 10. a second transfer wheel; 11. a diagonal bar; 12. a side shaft; 13. a slide plate; 14. a top arc seat; 15. a spring; 16. a support plate; 17. a servo motor; 18. a large belt pulley; 19. an intermediate pulley; 20. a U-shaped plate; 21. a belt; 22. a side pulley; 23. a bottom arc seat; 24. a roller; 25. a fixing plate; 26. a linkage rod; 27. a drive motor; 28. a circular plate; 29. a drive shaft; 30. a worm gear; 31. a through hole; 32. a worm; 33. an arc-shaped pad; 34. an elastic rod; 35. a buffer spring; 36. a dust suction cylinder; 37. a chain; 38. a pull rod; 39. a collection box; 40. a ring magnet; 41. a dust collection shaft; 42. a fan; 43. a first sprocket; 44. a second sprocket; 45. and a guide roller.

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.

Example one

Referring to fig. 1-6, a pipeline cutting device for hydraulic engineering, comprising a base 1, wherein two vertical plates 2 are symmetrically arranged on the top of the base 1, one sides of the two vertical plates 2 close to each other are fixedly connected with push rod cylinders 3 through screws, the output shafts of the two push rod cylinders 3 are fixedly connected with a same transverse plate 4 through screws, two sliding holes 5 are arranged on the transverse plate 4, vertical rods 6 are respectively and slidably arranged in the two sliding holes 5, cutting knives 7 are respectively and rotatably arranged on the two vertical rods 6, side shafts 12 are respectively and rotatably arranged on the two vertical rods 6, the two side shafts 12 are respectively and drivingly connected with the two cutting knives 7, one ends of oblique rods 11 are respectively and rotatably arranged on the two vertical rods 6, slide plates 13 are respectively and rotatably arranged on the other ends of the two oblique rods 11, the two slide plates 13 are respectively and slidably connected with the transverse plate 4, and a support plate 16 is fixedly arranged between the two slide plates 13 through welding, screw fixedly connected with servo motor 17 is passed through at the top of backup pad 16, servo motor 17 is connected with two limit axle 12 transmissions, the bottom of two slides 13 is through welding fixed mounting has same top arc seat 14, the top of base 1 is provided with bottom arc seat 23, the top of base 1 is provided with two fixed plates 25, rotate between two fixed plates 25 and install same drive shaft 29, the outside of drive shaft 29 is provided with two plectanes 28, the outside of two plectanes 28 all is provided with a plurality of arc pads 33, through-hole 31 has been seted up on the arc seat 23 of bottom, drive shaft 29 rotates with through-hole 31 to be connected, the transmission is connected with gangbar 26 on the drive shaft 29, it has dust collection section of thick bamboo 36 all to inlay on two slides 13, all rotate in two dust collection section of thick bams 36 and install dust absorption axle 41, two dust absorption axle 41 all are connected with the gangbar 26 transmission, all be provided with fan 42 on two dust absorption axle 41.

In this embodiment, there is big belt pulley 18 through welded fastening installation on servo motor 17's the output shaft, all rotates on two slides 13 and installs middle belt pulley 19, and the outside of two limit axles 12 all is equipped with limit belt pulley 22, and the outside transmission of two limit belt pulleys 22, two middle belt pulleys 19 and big belt pulley 18 is connected with same belt 21.

In this embodiment, all be provided with two U templates 20 on two slide 13, all embedded on the top inner wall of U template 20 and the bottom inner wall has deflector roll 45, deflector roll 45 is connected with the belt 21 transmission.

In this embodiment, a plurality of rollers 24 are disposed inside each of the top arc seat 14 and the bottom arc seat 23.

In this embodiment, the one end of limit axle 12 is provided with second transfer gear 10 through welded fastening, is provided with first transfer gear 8 on the cutting knife 7, and the transmission is connected with same conveyer belt 9 on first transfer gear 8 and the second transfer gear 10.

In this embodiment, the top of top arc seat 14 is provided with one end of a plurality of springs 15 through welding, and the other end of a plurality of springs 15 is provided with the bottom of transverse plate 4 through welding.

In this embodiment, a worm wheel 30 is sleeved outside the driving shaft 29, a worm 32 is fixedly installed outside the linkage rod 26 by welding, and the worm 32 is meshed with the worm wheel 30.

In this embodiment, a driving motor 27 is fixedly connected to one of the two fixing plates 25 through a screw, and an output shaft of the driving motor 27 and the driving shaft 29 are fixedly mounted through welding.

In this embodiment, the two ends of the linkage rod 26 are fixedly welded with the second chain wheels 44, the two dust collecting shafts 41 are fixedly welded with the first chain wheels 43, and the first chain wheels 43 and the second chain wheels 44 are engaged with the same chain 37.

In this embodiment, a plurality of elastic grooves are uniformly formed on the outer side of the circular plate 28, elastic rods 34 are slidably mounted in the elastic grooves, buffer springs 35 are fixedly mounted between the elastic rods 34 and the elastic grooves by welding, and the elastic rods 34 and the corresponding arc-shaped pads 33 are fixedly mounted by welding.

Example two

Referring to fig. 1-6, a pipeline cutting device for hydraulic engineering, comprising a base 1, wherein two vertical plates 2 are symmetrically arranged on the top of the base 1, one side of each vertical plate 2 close to each other is fixedly connected with a push rod cylinder 3, the output shafts of the two push rod cylinders 3 are fixedly connected with a same transverse plate 4, two sliding holes 5 are arranged on the transverse plate 4, vertical rods 6 are slidably arranged in the two sliding holes 5, cutting knives 7 are rotatably arranged on the two vertical rods 6, side shafts 12 are rotatably arranged on the two vertical rods 6, the two side shafts 12 are respectively in transmission connection with the two cutting knives 7, one ends of oblique rods 11 are rotatably arranged on the two vertical rods 6, the other ends of the two oblique rods 11 are rotatably arranged with sliding plates 13, the two sliding plates 13 are slidably connected with the transverse plate 4, a support plate 16 is fixedly arranged between the two sliding plates 13, and a servo motor 17 is fixedly connected to the top of the support plate 16, servo motor 17 is connected with the transmission of two limit axles 12, the bottom fixed mounting of two slides 13 has same top arc seat 14, base 1's top is provided with bottom arc seat 23, base 1's top is provided with two fixed plates 25, rotate between two fixed plates 25 and install same drive shaft 29, the outside of drive shaft 29 is provided with two plectanes 28, the outside of two plectanes 28 all is provided with a plurality of arc pads 33, through-hole 31 has been seted up on the bottom arc seat 23, drive shaft 29 rotates with through-hole 31 to be connected, the transmission is connected with gangbar 26 on the drive shaft 29, it has dust suction tube 36 all to embed on two slides 13, all rotate in two dust suction tube 36 and install dust absorption axle 41, two dust absorption axles 41 all are connected with the gangbar 26 transmission, all be provided with fan 42 on two dust absorption axles 41.

In this embodiment, fixed mounting has big belt pulley 18 on servo motor 17's the output shaft, all rotates on two slides 13 and installs middle belt pulley 19, and the outside of two limit axles 12 all is equipped with limit belt pulley 22, and the outside transmission of two limit belt pulleys 22, two middle belt pulleys 19 and big belt pulley 18 is connected with same belt 21.

In this embodiment, all be provided with two U templates 20 on two slide 13, all embedded on the top inner wall of U template 20 and the bottom inner wall has deflector roll 45, deflector roll 45 is connected with the belt 21 transmission.

In this embodiment, a plurality of rollers 24 are disposed inside the top arc seat 14 and the bottom arc seat 23, and the rollers 24 can reduce friction when the pipeline rotates.

In this embodiment, one end of the side shaft 12 is fixedly provided with a second transmission wheel 10, the cutting knife 7 is provided with a first transmission wheel 8, and the first transmission wheel 8 and the second transmission wheel 10 are in transmission connection with a same transmission belt 9.

In this embodiment, the top of the top arc seat 14 is fixedly installed with one end of a plurality of springs 15, and the other end of each of the plurality of springs 15 is fixedly installed with the bottom of the transverse plate 4.

In this embodiment, a worm wheel 30 is sleeved outside the driving shaft 29, a worm 32 is fixedly mounted outside the linkage rod 26, and the worm 32 is meshed with the worm wheel 30.

In this embodiment, a driving motor 27 is fixedly connected to one of the two fixing plates 25, and an output shaft of the driving motor 27 is fixedly mounted on the driving shaft 29.

In this embodiment, the two ends of the linkage rod 26 are both fixedly provided with second chain wheels 44, the two dust collection shafts 41 are both fixedly provided with first chain wheels 43, and the first chain wheels 43 and the second chain wheels 44 are engaged with the same chain 37.

In this embodiment, a plurality of elastic grooves have evenly been seted up in the outside of plectane 28, and equal slidable mounting has elastic rod 34 in a plurality of elastic grooves, and fixed mounting has buffering spring 35 between elastic rod 34 and the elastic groove, and elastic rod 34 and the arc pad 33 fixed mounting that corresponds, the buffering spring 35 of setting can provide elasticity for elastic rod 34 and arc pad 33 for arc pad 33 and pipeline in close contact with, increase frictional force.

In this embodiment, be provided with annular magnet 40 in the suction drum 36, movable mounting has collection box 39 in the suction drum 36, and collection box 39 is circular structure, and a plurality of big diameter holes have been seted up to one side of collecting box 39, and a plurality of little diameter holes have been seted up to the opposite side of collecting box 39, and fixed mounting has pull rod 38 on the collection box 39, collects box 39 and annular magnet 40 attraction, can increase the stability of collecting box 39, and collection box 39 can be collected the dust that the cutting produced.

In this embodiment, in use, the electrical equipment is powered on and the controller, the pipeline is placed on the top of the bottom arc seat 23, the two push rod cylinders 3 are started, the two push rod cylinders 3 push the transverse plate 4 to move downwards, the transverse plate 4 drives the two cutting knives 7 and the top arc seat 14 to move downwards, the top arc seat 14 firstly contacts with the pipeline and receives upward extrusion force, the top arc seat 14 drives the two sliding plates 13 to move upwards, the two sliding plates 13 drive the two vertical bars 6 and the two cutting knives 7 to approach each other through the two inclined bars 11, meanwhile, the belt 21 has flexibility, and the size of the inclined bars 11 is fixed, so that the length transmitted by the belt 21 is unchanged, the servo motor 17 is started, the servo motor 17 drives the large belt pulley 18 to rotate, the two side shafts 12 are rotated through the two side belt pulleys 22 and the two middle belt pulleys 19, the two side shafts 12 are rotated through the two second transmission wheels 10, Two first transmission wheels 8 and two transmission belts 9 drive two cutting knives 7 to rotate, the two cutting knives 7 are close to the pipeline when rotating, the two sides of the pipeline can be cut, meanwhile, the top arc seat 14 and the bottom arc seat 23 are matched to fix the pipeline, the cutting stability can be ensured, the driving motor 27 is started during cutting, the driving motor 27 drives the driving shaft 29 to rotate, the driving shaft 29 drives the two circular plates 28 to rotate, the circular plates 28 drive the pipeline to rotate when cutting through a plurality of arc pads 33, the arranged buffer springs 35 can provide elasticity for the elastic rods 34 and the arc pads 33, so that the arc pads 33 are in close contact with the pipeline, the friction force is increased, meanwhile, the driving shaft 29 drives the linkage rod 26 to rotate through the worm wheel 30 and the worm 32, the linkage rod 26 drives the two second chain wheels 44 to rotate, and the two dust collection shafts 41 are rotated through the two first chain wheels 43 and the two chains 37, two dust absorption axle 41 drive two fans 42 and rotate and produce suction, can suck the dust that the cutting produced and clear away, the collection box 39 that sets up simultaneously can be collected the dust, the major diameter hole that sets up can make things convenient for the dust to get into in collecting the box 39, the completion cutting back, stop servo motor 17, driving motor 27, two push rod cylinder 3 of reverse start-up, make horizontal plate 4 upwards move, under the spring action of spring 15, two cutting knife 7 keep away from each other, can conveniently take off the pipeline, can drive through pull rod 38 and collect box 39 and leave suction tube 36, can conveniently take out the inside dust of collection box 39 and clear up.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.