CN111230206A

CN111230206A - Equidistant cutting machine for long steel pipes

Info

Publication number: CN111230206A
Application number: CN202010291880.8A
Authority: CN
Inventors: 徐丽群
Original assignee: Xiangshan Xuwen Steel Technology Co Ltd
Current assignee: Xiangshan Xuwen Steel Technology Co Ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-06-05

Abstract

The invention discloses an equidistant cutting machine for long steel pipes, which comprises a machine body, wherein a cutting cavity is arranged in the machine body, a lifting cavity is arranged on the top wall of the cutting cavity, a sliding cavity is arranged on the top wall of the lifting cavity, a transmission cavity is arranged on the right side of the lifting cavity, a communicating cavity is arranged between the transmission cavity and the lifting cavity, a fan wheel cavity is arranged on the lower side of the transmission cavity, hydraulic oil in a hydraulic cavity is conveyed into the lower cavity, two T-shaped plates are driven to be close to each other through the hydraulic oil, then the T-shaped plates are contacted with the steel pipes through positioning plates, the steel pipes are positioned according to extrusion force provided by a reset spring to the sliding rods, and the design of a plurality of sliding rods can meet the use requirements of steel pipes of different types.

Description

Equidistant cutting machine for long steel pipes

Technical Field

The invention relates to the field of steel pipes, in particular to a long steel pipe equidistant cutting machine.

Background

At present, with the development of society, the continuous progress of science and technology makes industrial production efficiency continuously improve, but many places do not have devices for cutting long steel pipes at equal intervals, at present, many devices still use electric saws for cutting after marking, the cutting mode is not only slow, but also the electric saws easily cause personal injury to workers under the unprotected state, and the steel pipes fall down automatically after being cut by the existing cutting devices, the steel pipes are placed and disordered, a large amount of placing space is wasted, and subsequent collection is not convenient, so that the invention needs to invent a cutting machine for cutting long steel pipes at equal intervals.

Disclosure of Invention

The invention aims to provide a long steel pipe equidistant cutting machine to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a long steel pipe equidistant cutting machine comprises a machine body, wherein a cutting cavity is formed in the machine body, a collecting cavity is formed in the bottom wall of the cutting cavity, a lifting cavity is formed in the top wall of the cutting cavity, a sliding cavity is formed in the top wall of the lifting cavity, and a distance-changing cutting device capable of changing the cutting distance is arranged between the lifting cavity and a sliding block;

the distance-changing cutting device comprises a slide block which is connected in the sliding cavity in a left-right sliding manner, a graduated scale is fixedly arranged on the rear side wall of the sliding cavity, a handle is fixedly arranged on the upper side of the slide block and is connected with the top surface of the machine body in a sliding manner, scales which can correspond to the graduated scale are arranged on the handle, a fixed frame is fixedly arranged on the lower side of the slide block, an opening cavity is arranged in the fixed frame, side cavities are respectively arranged on the left side wall and the right side wall of the opening cavity, a transmission block is vertically and slidably connected in each side cavity, a supporting spring is connected between the bottom surface of each transmission block and the bottom wall of the corresponding side cavity, a lifting block is fixedly arranged between the two transmission blocks, an inner cavity is arranged in the lifting block, a cutting motor is arranged on the left side wall of the inner cavity, a cutting shaft which is rotatably connected with the right side wall of the inner cavity is, the front side of the collecting cavity is provided with a front side cavity, the upper side of the front side cavity is communicated with the front side wall of the sliding cavity, the lower side of the front side cavity is communicated with the front side wall of the collecting cavity, the front and back of the front side cavity are connected with a connecting rod in a sliding manner, the upper side of the connecting rod is fixedly connected with the sliding block, the inner wall of the collecting cavity is connected with a limiting plate in a left-right sliding manner, the front side of the limiting plate is fixedly connected with the connecting rod, the left side wall and the right side wall of the collecting cavity are rotatably connected with a penetrating shaft, the penetrating shaft extends rightwards to penetrate through the right side wall of the collecting cavity, the rear side of the penetrating shaft is provided with an auxiliary shaft, the auxiliary shaft is rotatably connected with the left side wall and the right side wall of the collecting cavity, rotating wheels are respectively and fixedly arranged on the penetrating shaft, the rear side wall of the collecting cavity is fixedly provided with a door plate, and the steel pipe in the collecting cavity can be taken out by opening the door plate after the steel pipe is uniformly cut;

the utility model discloses a steel pipe cutting machine, including lift chamber, transmission chamber, lift chamber, driving chamber, distance-changing cutting device, cutting chamber, lower side cavity, cutting chamber, the locating device who advances line location is equipped with the steel pipe between the chamber.

Preferably, drive arrangement includes fixed mounting and is in the drive motor of transmission chamber roof, drive motor downside power connection has the motor shaft, the motor shaft with transmission chamber bottom wall rotates to be connected, motor shaft downwardly extending runs through the diapire in transmission chamber enters into in the fan wheel chamber and with the roof in fan wheel chamber rotates to be connected, the motor shaft is in the rotating tube has set firmly in the transmission chamber, be equipped with the ring channel of end to end in the rotating tube, sliding connection has the driving tube in the ring channel, the driving tube is in slide from top to bottom in the intercommunication intracavity wall, sliding connection has the actuating lever about in the driving tube, the actuating lever is in the driving tube left side, the actuating lever left side and right side the transmission piece is connected.

Preferably, the positioning device comprises a hydraulic motor fixedly installed on the rear side wall of the hydraulic cavity, the front side of the hydraulic motor is in power connection with a threaded shaft rotatably connected with the front side wall of the hydraulic cavity, the threaded shaft is in threaded connection with partition plates in sliding connection with the front and back of the inner wall of the hydraulic cavity, the threads of the two partition plates are opposite, so that the two partition plates move in opposite directions, the inner wall of each lower side cavity is in sliding connection with a T-shaped plate, one side of each T-shaped plate extends through one side wall of the corresponding lower side cavity close to the cutting cavity, the T-shaped plate enters the cutting cavity, a positioning block is fixedly arranged in the cutting cavity, the positioning block is in sliding connection with the bottom wall of the cutting cavity, a plurality of spring cavities are arranged in each spring cavity, and a sliding rod is connected in each spring cavity in a sliding manner, the slide bars on two sides are close to each other, a return spring is connected between each slide bar and one side wall of the spring cavity on the same side, and a positioning plate is fixedly arranged at the output end of each slide bar.

Preferably, a fixing plate for positioning one end of the steel pipe is fixedly arranged between the right side wall of the cutting cavity and the left side wall of the fan wheel cavity, a through hole is formed in the fixing plate and can allow cutting scraps to pass through, short shafts are fixedly arranged on the front side wall and the rear side wall of the fan wheel cavity, universal wheels are fixedly arranged in the short shafts, the upper sides of the universal wheels are rotatably connected with the motor shaft, the left sides of the universal wheels are rotatably connected with a fan wheel shaft, a fan wheel is fixedly arranged on the left side of the fan wheel shaft, and a transmission pipe is fixedly arranged on the right side wall of the fan wheel.

Preferably, in the vertical direction, the sliding block is arranged on the right side relative to the position of the limiting plate, so that the steel pipe which is cut off conveniently after cutting falls into the right side of the limiting plate in the collecting cavity.

Preferably, the positioning plate in the positioning device is used only for positioning in the front-rear direction, and does not affect the movement of the steel pipe in the left-right direction.

In conclusion, the beneficial effects of the invention are as follows: compared with the traditional manual cutting mode, no matter the electric saw or the manual cutting mode is used, the cutting efficiency is greatly improved, some accidental injury events possibly generated during manual cutting are avoided through mechanical cutting, the personal safety of workers is greatly guaranteed, compared with the existing cutting device, the cutting device can adjust the cutting distance at any time, is more convenient and fast to use, and can carry out unified statistical treatment on chips generated by cutting through the fan wheel in the using process, so that the environmental pollution is reduced.

Drawings

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

FIG. 1 is a schematic structural view of a whole full-section of a long steel pipe equidistance cutting machine according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;

fig. 4 is a cross-sectional view taken along the direction C-C in fig. 1 according to the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features or steps are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a cutting machine such as long steel pipe equidistance, includes organism 20, be equipped with cutting chamber 22 in the organism 20, cutting chamber 22 diapire is equipped with collects chamber 21, cutting chamber 22 roof is equipped with lift chamber 64, lift chamber 64 roof is equipped with sliding chamber 34, lift chamber 64 with be equipped with the distance of changing cutting device 101 that can change cutting distance between the slider 32, distance of changing cutting device 101 includes left and right sliding connection slider 32 in sliding chamber 34, sliding chamber 34 rear side wall has set firmly scale 33, slider 32 upside has set firmly handle 31, handle 31 with organism 20 top surface sliding connection, it can be corresponding with scale 33 to be equipped with the scale on the handle 31, fixed frame 29 has been set firmly to the slider 32 downside, be equipped with opening chamber 30 in the fixed frame 29, the lateral wall respectively is equipped with side chamber 53 about opening chamber 30, every side chamber 53 goes up and down sliding connection has a driving block 54, every driving block 54 bottom surface and the corresponding be connected with supporting spring 52 between the side chamber 53 diapire, two lifting block 28 has set firmly between the driving block 54, be equipped with inside chamber 51 in the lifting block 28, inside chamber 51 left side wall is equipped with cutting motor 49, cutting motor 49 right side power be connected with inside chamber 51 right side wall rotates the cutting axle 50 of being connected, cutting axle 50 is last to set firmly the cutting wheel 27 that is used for cutting the steel pipe, it is equipped with front side chamber 69 to collect the chamber 21 front side, front side chamber 69 upside with slide chamber 34 front side wall communicates with each other, front side chamber 69 downside with collect chamber 21 front side wall and communicate with each other, sliding connection has connecting rod 70 around in the front side chamber 69, connecting rod 70 upside with slider 32 fixed connection, it has limiting plate 76 to collect the left and right sliding connection of chamber 21 inner wall, the front side of the limit plate 76 is fixedly connected with the connecting rod 70, the left and right side walls of the collection chamber 21 are rotatably connected with a through shaft 67, the through shaft 67 extends rightwards to penetrate through the right side wall of the collection chamber 21, the rear side of the through shaft 67 is provided with an auxiliary shaft 71, the auxiliary shaft 71 is rotatably connected with the left and right side walls of the collection chamber 21, the auxiliary shaft 71 and the through shaft 67 are respectively and fixedly provided with a rotating wheel 66, a belt 65 is connected between the two rotating wheels 66, the lower side of the universal wheel 45 is rotatably connected with a connecting shaft 77, a bevel gear set 68 is arranged between the connecting shaft 77 and the through shaft 67, the rear side wall of the collection chamber 21 is fixedly provided with a door plate 62, the door plate 62 is opened after the steel pipes are uniformly cut, so that the steel pipes in the collection chamber 21 can be taken out, the right side of the lifting chamber 64 is provided with a transmission chamber 38, and a communication, the transmission chamber 38 downside is equipped with fan wheel chamber 43, transmission chamber 38 with be equipped with the drive between the lift chamber 64 the drive arrangement 102 that the displacement cutting device reciprocated and cut, the upper left side in cutting chamber 22 is equipped with hydraulic pressure chamber 25, lateral symmetry is equipped with lower side chamber 57 around the cutting chamber 22, lower side chamber 57 with hydraulic pressure chamber 25 communicates with each other, lower side chamber 57 with be equipped with between the cutting chamber 22 and carry out the positioner 103 of location to the steel pipe.

In addition, in one embodiment, the driving device 102 includes a driving motor 39 fixedly installed on the top wall of the driving cavity 38, a motor shaft 42 is power-connected to the lower side of the driving motor 39, the motor shaft 42 is rotatably connected to the bottom wall of the driving cavity 38, the motor shaft 42 extends downward to penetrate through the bottom wall of the driving cavity 38 to enter the fan wheel cavity 43 and is rotatably connected to the top wall of the fan wheel cavity 43, the motor shaft 42 is fixedly provided with a rotating pipe 40 in the driving cavity 38, an end-to-end annular groove 41 is provided in the rotating pipe 40, a driving pipe 36 is slidably connected in the annular groove 41, the driving pipe 36 slides up and down in the inner wall of the communicating cavity 37, a driving rod 35 is slidably connected left and right in the driving pipe 36, the left side of the driving rod 35 is connected to the right side of the driving block 54, when cutting is performed, the transmission motor 39 is turned on, so that the motor shaft 42 is driven to rotate, and further the rotating pipe 40 is driven to rotate, so that the driving pipe 36 is driven to slide up and down through the annular groove 41, and further the driving block 54 is driven to lift through the driving rod 35.

In addition, in one embodiment, the positioning device 103 includes a hydraulic motor 55 fixedly installed on the rear side wall of the hydraulic chamber 25, a threaded shaft 26 rotatably connected to the front side wall of the hydraulic chamber 25 is connected to the front side of the hydraulic motor 55, a partition plate 56 slidably connected to the inner wall of the hydraulic chamber 25 in the front-rear direction is connected to the threaded shaft 26 in a threaded manner, the threads of the two partition plates 56 are opposite, and the two partition plates 56 move in opposite directions, a T-shaped plate 58 is slidably connected to the inner wall of each lower chamber 57, one side of each T-shaped plate 58 extends through a side wall of the corresponding lower chamber 57 close to the cutting chamber 22, the T-shaped plate 58 enters the cutting chamber 22, a positioning block 23 is fixedly installed in the cutting chamber 22 by each T-shaped plate 58, and the positioning block 23 is slidably connected to the bottom wall of the cutting chamber 22, a plurality of spring cavities 59 are arranged in each spring cavity 59, a sliding rod 60 is connected in each spring cavity 59 in a sliding manner, the sliding rods 60 on two sides are close to each other, a return spring 61 is connected between each sliding rod 60 and one side wall of the spring cavity 59 on the same side, a positioning plate 24 is fixedly arranged at the output end of each sliding rod 60, when the steel pipe is positioned, the hydraulic motor 55 is turned on, so that the threaded shaft 26 is driven to rotate, then, the two partition plates 56 are driven to move away from each other, so that the hydraulic oil in the hydraulic chamber 25 is delivered to the lower side chamber 57, the two T-shaped plates 58 are driven to approach each other by the hydraulic oil, then, the positioning plate 24 is in contact with the steel pipe, and the steel pipe is positioned according to the extrusion force provided by the return spring 61 to the slide rod 60, so that the slide rod 60 can be designed to meet the requirements of steel pipes of different types.

In addition, in one embodiment, a fixing plate 48 for positioning one end of the steel pipe is fixedly arranged between the right side wall of the cutting chamber 22 and the left side wall of the fan wheel chamber 43, a through hole is formed in the fixing plate 48 to allow the cutting chips to pass through, short shafts 63 are fixedly arranged on the front and rear side walls of the fan wheel chamber 43, universal wheels 45 are fixedly arranged in the short shafts 63, the upper sides of the universal wheels 45 are rotatably connected with the motor shaft 42, a fan wheel shaft 46 is rotatably connected to the left side of the universal wheels 45, a fan wheel 47 is fixedly arranged on the left side of the fan wheel shaft 46, a transmission pipe 44 is fixedly arranged on the right side wall of the fan wheel chamber 43, during the cutting process of the steel pipe, the motor shaft 42 rotates to drive the fan wheel shaft 46 to rotate, so as to drive the fan wheel 47 to rotate, and further suck the cutting chips generated in the cutting chamber 22 into the fan wheel chamber 43 through, then, the uniform collection processing is performed through the transfer pipe 44.

In addition, in one embodiment, the slide block 32 is vertically offset to the right relative to the position of the limit plate 76, so that the cut steel pipes can fall into the right side of the limit plate 76 in the collection chamber 21.

In addition, in one embodiment, the positioning plate 24 of the positioning device 103 is only used for positioning in the front-back direction, and does not affect the movement of the steel tube in the left-right direction.

In the initial state, the lifting block 28 is located at the uppermost position of the open chamber 30 by the supporting spring 52, the two isolation plates 56 are at the closest distance from each other, and the two positioning blocks 23 are respectively adjacent to one side wall of the cutting chamber 22.

When the steel pipes need to be cut equidistantly, a worker controls the handle 31 to slide left and right, the handle 31 drives the sliding block 32, the sliding block 32 drives the fixing frame 29 and further drives the lifting block 28 to move left and right, the cutting length of the steel pipes is controlled according to the scales on the graduated scale 33, then the hydraulic motor 55 is turned on, the threaded shaft 26 is driven to rotate, then the two partition plates 56 are driven to move away from each other, so that hydraulic oil in the hydraulic cavity 25 is conveyed into the lower side cavity 57, the two T-shaped plates 58 are driven to approach each other through the hydraulic oil, then the positioning plates 24 are contacted with the steel pipes, the steel pipes are positioned according to extrusion force provided by the reset spring 61 to the sliding rods 60, and the design of the plurality of sliding rods 60 can meet the use requirements of the steel pipes; then, inserting the steel pipe into the cutting cavity 22, enabling the insertion end of the steel pipe to touch the left side face of the fixing plate 48, so as to open the cutting motor 49, enabling the cutting motor 49 to drive the cutting shaft 50 to rotate, further enabling the cutting wheel 27 to rotate rapidly, simultaneously opening the transmission motor 39, enabling the transmission motor 39 to drive the motor shaft 42 to rotate, further enabling the rotation pipe 40 to rotate, further enabling the driving pipe 36 to slide up and down through the annular groove 41, further enabling the driving block 54 to be driven by the driving rod 35 to lift, enabling the driving block 54 to drive the lifting block 28 to lift, enabling the lifting block 28 to drive the cutting wheel 27 to lift, cutting the steel pipe in the descending process of the cutting wheel 27, automatically lifting to the highest position after cutting is completed, and; the motor shaft 42 rotates to drive the fan wheel shaft 46 to rotate while cutting, so as to drive the fan wheel 47 to rotate, and further, cutting debris generated in the cutting cavity 22 is sucked into the fan wheel cavity 43 through the through hole of the fixing plate 48, and then is subjected to uniform collection treatment through the transmission pipe 44; in the cutting process, the cut steel pipe falls into the belt 65 in the collection cavity 21, the motor shaft 42 rotates to drive the connecting shaft 77 to rotate through the universal wheel 45, and then the through shaft 67 rotates through the bevel gear set 68, thereby the rotating wheel 66 and the belt 65 are driven to rotate, thereby the steel pipe in the collection cavity 21 is arranged at the rear side of the collection cavity 21 under the driving of the belt 65, the operation is accumulated, the steel pipe in the collection cavity 21 is arranged neatly, and the steel pipe in the collection cavity 21 can be taken out by opening the door plate 62.

The invention has the beneficial effects that: compared with the traditional manual cutting mode, no matter the electric saw or the manual cutting mode is used, the cutting efficiency is greatly improved, some accidental injury events possibly generated during manual cutting are avoided through mechanical cutting, the personal safety of workers is greatly guaranteed, compared with the existing cutting device, the cutting device can adjust the cutting distance at any time, is more convenient and fast to use, and can carry out unified statistical treatment on chips generated by cutting through the fan wheel in the using process, so that the environmental pollution is reduced.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a long steel pipe equidistance cutting machine, includes the organism, its characterized in that: a cutting cavity is formed in the machine body, a collecting cavity is formed in the bottom wall of the cutting cavity, a lifting cavity is formed in the top wall of the cutting cavity, a sliding cavity is formed in the top wall of the lifting cavity, and a distance changing cutting device capable of changing the cutting distance is arranged between the lifting cavity and the sliding block; the distance-changing cutting device comprises a slide block which is connected in the sliding cavity in a left-right sliding manner, a graduated scale is fixedly arranged on the rear side wall of the sliding cavity, a handle is fixedly arranged on the upper side of the slide block and is connected with the top surface of the machine body in a sliding manner, scales which can correspond to the graduated scale are arranged on the handle, a fixed frame is fixedly arranged on the lower side of the slide block, an opening cavity is arranged in the fixed frame, side cavities are respectively arranged on the left side wall and the right side wall of the opening cavity, a transmission block is vertically and slidably connected in each side cavity, a supporting spring is connected between the bottom surface of each transmission block and the bottom wall of the corresponding side cavity, a lifting block is fixedly arranged between the two transmission blocks, an inner cavity is arranged in the lifting block, a cutting motor is arranged on the left side wall of the inner cavity, a cutting shaft which is rotatably connected with the right side wall of the inner cavity is, the front side of the collecting cavity is provided with a front side cavity, the upper side of the front side cavity is communicated with the front side wall of the sliding cavity, the lower side of the front side cavity is communicated with the front side wall of the collecting cavity, the front and back of the front side cavity are connected with a connecting rod in a sliding manner, the upper side of the connecting rod is fixedly connected with the sliding block, the inner wall of the collecting cavity is connected with a limiting plate in a left-right sliding manner, the front side of the limiting plate is fixedly connected with the connecting rod, the left side wall and the right side wall of the collecting cavity are rotatably connected with a penetrating shaft, the penetrating shaft extends rightwards to penetrate through the right side wall of the collecting cavity, the rear side of the penetrating shaft is provided with an auxiliary shaft, the auxiliary shaft is rotatably connected with the left side wall and the right side wall of the collecting cavity, rotating wheels are respectively and fixedly arranged on the penetrating shaft, the rear side wall of the collecting cavity is fixedly provided with a door plate, and the steel pipe in the collecting cavity can be taken out by opening the door plate after the steel pipe is uniformly cut; the utility model discloses a steel pipe cutting machine, including lift chamber, transmission chamber, lift chamber, driving chamber, distance-changing cutting device, cutting chamber, lower side cavity, cutting chamber, the locating device who advances line location is equipped with the steel pipe between the chamber.

2. The equidistant cutting machine of long steel pipe of claim 1, characterized in that: drive arrangement includes fixed mounting and is in the drive motor of transmission chamber roof, drive motor downside power connection has the motor shaft, the motor shaft with transmission chamber bottom wall rotates and connects, motor shaft downwardly extending runs through the diapire in transmission chamber enters into in the fan wheel chamber and with the roof in fan wheel chamber rotates and connects, the motor shaft is in the rotating tube has set firmly in the transmission chamber, be equipped with the ring channel of end to end in the rotating tube, sliding connection has the driving tube in the ring channel, the driving tube is in slide from top to bottom in the intercommunication intracavity wall, sliding connection has the actuating lever about in the driving tube, the actuating lever is in the driving tube left side, actuating lever left side and right side the transmission piece is connected.

3. The equidistant cutting machine of long steel pipe of claim 1, characterized in that: the positioning device comprises a hydraulic motor fixedly arranged on the rear side wall of the hydraulic cavity, the front side of the hydraulic motor is in power connection with a threaded shaft which is rotationally connected with the front side wall of the hydraulic cavity, the threaded shaft is in threaded connection with a partition board which is in sliding connection with the front and back of the inner wall of the hydraulic cavity, the threads of the two partition boards are opposite, so that the two partition boards move in opposite directions, the inner wall of each lower side cavity is in sliding connection with a T-shaped board, one side of each T-shaped board extends through one side wall which corresponds to the lower side cavity and is close to the cutting cavity, the T-shaped boards enter the cutting cavity, a positioning block is fixedly arranged in the cutting cavity and is in sliding connection with the bottom wall of the cutting cavity, a plurality of spring cavities are arranged in each spring cavity, a sliding rod is connected in each spring cavity in a sliding manner, the sliding rods on two sides, and a return spring is connected between each slide bar and one side wall of the spring cavity at the same side, and a positioning plate is fixedly arranged at the output end of each slide bar.

4. The equidistant cutting machine of long steel pipe of claim 3, characterized by: the cutting device is characterized in that a fixing plate used for positioning one end of a steel pipe is fixedly arranged between the right side wall of the cutting cavity and the left side wall of the fan wheel cavity, an opening is formed in the fixing plate and can enable cutting scraps to pass through, short shafts are fixedly arranged on the front side wall and the rear side wall of the fan wheel cavity, universal wheels are fixedly arranged in the short shafts, the upper sides of the universal wheels are rotatably connected with a motor shaft, the left sides of the universal wheels are rotatably connected with a fan wheel shaft, a fan wheel is fixedly arranged on the left side of the fan wheel shaft, and a transmission pipe is fixedly arranged on.

5. The equidistant cutting machine of long steel pipe of claim 1, characterized in that: in the vertical direction, the sliding block is arranged on the right side of the limiting plate, so that the steel pipe which is cut off conveniently after cutting falls into the right side of the limiting plate in the collecting cavity.

6. The equidistant cutting machine of long steel pipe of claim 3, characterized by: the positioning plate in the positioning device is only used for positioning in the front-back direction, and does not influence the movement of the steel pipe in the left-right direction.