CN210849668U

CN210849668U - Automatic pipe cutting system

Info

Publication number: CN210849668U
Application number: CN201921440233.8U
Authority: CN
Inventors: 张卓思; 张远见
Original assignee: Wenzhou Zhuojian Automation Equipment Technology Co ltd
Current assignee: Wenzhou Zhuojian Automation Equipment Technology Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-26
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses an automatic pipe cutting system, which comprises a servo control device, a feeding mechanism, a conveying mechanism, a servo mobile cutting machine and a discharging mechanism, wherein the feeding mechanism comprises a plurality of feeding components which are arranged along a feeding frame in a translation way and can be lifted; the conveying mechanism comprises a plurality of groups of chain transmission mechanisms, and a plurality of chain wheel feeding positioning rods are arranged on one side of each chain transmission mechanism; the servo mobile cutting machine is arranged on the track of the numerical control cutting machine base in a sliding manner; the unloading mechanism comprises a plurality of unloading guide plates, the unloading guide plates and the servo mobile cutting machine are arranged on the track in a sliding mode side by side, the unloading end is lower than the loading end, and the bottom ends of the unloading guide plates are linked through pulling ropes. The utility model, the servo moving cutting machine reaches the cutting area through sliding, and is not limited by the cutting distance; the pipe can be fed by a plurality of pipes at the same time, and continuous cutting can be realized by adjusting the conveying speed of each part; the whole process can be adjusted and controlled through the servo control device, extra operation is not needed by manpower, and the automation degree is high.

Description

Automatic pipe cutting system

Technical Field

The utility model relates to a tubular product cutting technical field, concretely relates to automatic tubular product cutting system.

Background

The pipe cutting machine is a device for cutting long pipes, the cutting process is required for cutting the pipes into required lengths for different purposes, most of the traditional cutting process is used for cutting through a manual pipe cutting machine, even if the pipes to be cut are positioned below a cutter of the manual pipe cutting machine, a worker holds a handle to press downwards so as to enable the cutter to cut the pipes, but the traditional mode needs the worker to manually position and fix the pipes to prevent the pipes from shifting, deviating and the like, so that the cutting efficiency is reduced, and the labor cost and the time cost are increased.

With the continuous development of the technology, some automatic pipe cutting systems which utilize a cutting wheel to cut the pipe are available on the market. For example, the chinese utility model patent application CN108656196A discloses an "automatic pipe cutting system", the end of the pipe to be cut enters the conveying channel formed between the driving wheel and the driven wheel and is smoothly conveyed to the right ahead of the positioning and pushing mechanism under the action of the driving wheel, and after the sensor senses that the end of the pipe contacts with the limiting block, the signal is transmitted to the controller, the controller controls the motor to stop working, so that the pipe is not fed any more, then the positioning and pushing mechanism starts to clamp the pipe on the clamping opening of the pushing block, then the pipe is pushed to the positioning block and contacts with the positioning block, then the shearing mechanism starts to work, the pipe is cut into small sections according to the required length, the positioning and pushing mechanism resets, the pipe cut into small sections falls into the storage box through the blanking through hole, and after the sensor does not sense that the pipe is on the working table, the controller controls the motor to start working urgently to feed, and the operation is circulated in sequence.

The above patent application realizes automatic feeding, cutting and blanking of pipes, but still has the following disadvantages:

(1) the cutting distance is limited by the shearing mechanism, the cutting distance can not be adjusted,

(2) when in feeding, the pipes can be fed one by one, so that the working efficiency is lower;

(3) the cutting is realized by the movement of the pipe, so that the length of a cutting factory line is long, and the occupied space is overlarge.

In view of this, it is urgently needed to improve the existing pipe cutting structure so as to adjust the cutting size and improve the cutting efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that there is inconvenient adjustment cutting size, the problem of cutting inefficiency in current tubular product cutting structure.

In order to solve the technical problem, the utility model provides an automatic tubular product cutting system, including servo control device, still include:

the feeding mechanism comprises a plurality of feeding assemblies which are transversely arranged in parallel, and the feeding assemblies are arranged along the feeding frame in a translation manner and can be lifted;

the conveying mechanism comprises a plurality of groups of feeding chain wheel wallboards and a chain transmission mechanism arranged between each group of feeding chain wheel wallboards, wherein one side of the chain transmission mechanism is provided with a plurality of chain wheel feeding positioning rods, and the chain transmission mechanism is driven by an electric mechanism through a rotating shaft;

the servo mobile cutting machine is arranged on a track of the numerical control cutting machine base in a sliding mode and comprises a cutting base, a machine case and a pressing device, wherein the cutting device is arranged on the machine case in a lifting mode, a lifting fixing groove and a cutting top plate which are used for positioning a cut pipe are formed in the cutting base, and the pressing device and the cutting device correspond to the upper portions of the fixing groove and the cutting top plate respectively;

the discharging mechanism comprises a plurality of discharging guide plates, the discharging guide plates and the servo mobile cutting machine are arranged on the track in a sliding mode side by side, the length direction of the discharging guide plates is perpendicular to the track, the discharging end is lower than the feeding end, the bottom end of each discharging guide plate is linked through a traction rope, one end of each traction rope is fixed with the servo mobile cutting machine, and the other end of each traction rope is fixed with the pipe cutting machine base;

the pipe enters the feeding assembly through the feeding mechanism, the servo control device controls the feeding assembly to drive the pipe to move horizontally to the position above the chain transmission mechanism and further to descend and return, the pipe falls between the two sprocket feeding positioning rods, the servo control device controls the electric mechanism to drive the chain transmission mechanism to rotate, meanwhile, the cutting machine slides along the rail to enter a region to be cut and is in place, the pipe rotates to the position above the cutting base, the fixing groove and the cutting top plate ascend to support against the pipe, the pressing device presses the pipe in the fixing groove, the cutting device cuts the cutting position of the pipe, the servo moving cutting machine resets after the pipe is cut, each discharging guide plate resets through the traction rope, the conveying mechanism is started again, and the cut pipe enters the discharging guide plates through the chain transmission mechanism, and slide down under gravity to discharge, and complete a cutting cycle.

In another preferred embodiment, the feed assembly comprises:

the feeding cylinder is vertically fixed on a cylinder frame, and the cylinder frame is movably arranged on the feeding frame;

the feeding push-out cylinder is transversely fixed on the feeding frame and is vertical to the feeding cylinder, and the movable end of the feeding push-out cylinder is connected with the cylinder frame;

and the feeding bracket is arranged at the movable end of the feeding cylinder.

In another preferred embodiment, the feeding frame comprises:

the feeding part is at least two horizontal longitudinal beams;

the feeding part is provided with a feeding part and a discharging part, wherein the feeding part is provided with at least two longitudinal inclined beams, and the head end of the feeding part is connected with the tail end of the feeding part and used for sliding the stored pipes onto the feeding bracket.

In another preferred embodiment, two of the feeding sprocket wall plates are in a group and fixed above the feeding machine base, and the rotating shaft penetrates through each feeding sprocket wall plate and each chain transmission mechanism.

In another preferred embodiment, inside the cabinet:

the two upright posts are respectively and vertically arranged on the bottom surface of the case;

the cutting device support plate is provided with column holes matched with the two stand columns, and the cutting device support plate is arranged on the two stand columns in a vertically sliding mode through the column holes;

the servo lifting electric cylinder is arranged on the bottom surface of the case, and the output end of the servo lifting electric cylinder is fixed with the cutting support plate;

the cutting device is fixed on the cutting support plate and extends out of the case.

In another preferred embodiment, the cutting device comprises:

the motor is fixed on the cutting device bracket plate;

the cutting shaft extends out of the outer side of the case;

the grinding wheel blade is arranged at one end of the cutting shaft and is connected with the motor through the cutting shaft;

the shaft sleeve is detachably sleeved on the cutting shaft, the grinding wheel blade is installed on the shaft sleeve, the shaft sleeve is provided with a plurality of models, and the shaft sleeve of each model corresponds to each deflection angle of the grinding wheel blade.

In another preferred embodiment, the cutting device comprises:

the cutting motor is fixed on the cutting support plate;

the cutting shaft extends out of the outer side of the case;

the grinding wheel blade is arranged at one end of the cutting shaft and is connected with the cutting motor through the cutting shaft;

the shaft sleeve is detachably sleeved on the cutting shaft, and the grinding wheel blade is installed on the shaft sleeve.

In another preferred embodiment, a dust cover is further arranged inside the chassis, the bottom of the dust cover is fixed on the bottom surface of the chassis, the top of the dust cover is fixed on the cutting support plate, the dust cover is formed by sleeving a plurality of dust covers and surrounds the servo lifting electric cylinder and the two upright posts, a clamping plate which is turned inwards is arranged at the bottom of each dust cover, a fixing plate which is turned outwards is arranged at the top of each dust cover, and the clamping plate and the fixing plate are used for limiting the dust cover.

In another preferred embodiment, the discharge guide comprises:

the guide frame is horizontally erected on the track, and the bottom of the guide frame is provided with a first sliding block matched with the track;

and the guide plate is in a slope shape and is fixed above the guide frame through a support plate.

In another preferred embodiment, the servo cutting machine is provided with a first rope fastener at the bottom, a rope pulling bolt is arranged at the bottom of each guide frame, a second rope fastener is arranged at one end of the pipe cutting machine base away from the servo moving cutting machine, one end of each rope pulling is fixed with the first rope fastener, the rope pulling bolts sequentially penetrate through the rope pulling bolts and are respectively fixed, and the other end of each rope pulling bolt is fixed on the second rope fastener.

Compared with the prior art, the utility model, the pipe enters the feeding component from the feeding mechanism, the servo control device controls the feeding component to drive the pipe to move horizontally to the upper part of the chain transmission mechanism, and then to descend and return, the pipe falls between the two sprocket feeding positioning rods, the servo control device controls the electric mechanism to drive the chain transmission mechanism to rotate, simultaneously, the servo mobile cutting machine slides along the track to enter the area to be cut and is in place, the pipe rotates to the upper part of the cutting base, the fixed groove and the cutting top plate ascend to support against the pipe, the pipe is pressed in the fixed groove by the pressing device, the cutting device cuts the cutting position of the pipe, after the pipe is cut, the servo mobile cutting machine resets, and returns each unloading guide plate through the traction rope, the conveying mechanism is started again, so that the cut pipe enters the unloading guide plate through the chain transmission mechanism, and slide down under gravity and unload, accomplish a cutting circulation, have following advantage:

1. the cutting distance can be adjusted at any time according to needs, the servo mobile cutting machine reaches a cutting area through sliding and is not limited by the cutting distance, the program setting parameters can be adjusted, the cutting distance is changed, and multi-stage mobile cutting is realized;

2. the pipe can be fed by a plurality of feeding assemblies simultaneously, the pipe is moved to the conveying mechanism one by the feeding assemblies, and before cutting, the pipe has an independent position which can be limited, so that the cutting can be carried out uninterruptedly by adjusting the conveying speed of each part, the continuous cutting is realized, and the working efficiency is high;

3. from material loading, cutting and unloading, whole accessible servo control device adjusts and controls, adjusts the motion state of each part, need not the manpower and carries out extra operation, and degree of automation is high.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a side view of FIG. 1;

fig. 3 is a schematic structural view of the initial position of the feeding mechanism in the present invention;

fig. 4 is a schematic structural view of a feeding completion position of the feeding mechanism in the present invention;

FIG. 5 is a partial view of the feeding mechanism of the present invention;

fig. 6 is a partial view of the transfer mechanism of the present invention;

fig. 7 is a schematic structural view of the feeding chain of the conveying mechanism of the present invention mounted on the feeding sprocket wallboard;

fig. 8 is a schematic structural view of the feeding chain of the conveying mechanism of the present invention mounted on the gear;

fig. 9 is a partial enlarged view of the sprocket feeding positioning rod of the conveying mechanism of the present invention;

FIG. 10 is a side view of FIG. 7;

fig. 11 is a perspective view of the servo moving cutter of the present invention;

fig. 12 is a side view of the servo moving cutter of the present invention;

fig. 13 is a perspective view of another angle of the servo moving cutter of the present invention;

fig. 14 is a perspective view of a cutting device in the servo moving cutter of the present invention;

fig. 15 is a schematic view of the shaft sleeve mounted on the cutting shaft of the servo moving cutting machine according to the present invention;

fig. 16 is a schematic structural view of a dust boot of the servo mobile cutting machine of the present invention;

fig. 17 is a side view of the servo moving cutter in the discharging mechanism of the present invention;

fig. 18 is a side view of a discharging plate in the discharging mechanism of the present invention;

fig. 19 is a partial perspective view of the tip of the discharging mechanism of the present invention.

Detailed Description

The utility model provides an automatic tubular product cutting system, it is right below to combine the description drawing and detailed implementation mode the utility model discloses make detailed description.

As shown in fig. 1, the utility model provides an automatic pipe cutting system, including servo control device 500, still include feed mechanism 100, transport mechanism 200, servo mobile cutting machine 300 and shedding mechanism 400.

As shown in fig. 2, the feeding mechanism 100 includes a plurality of feeding assemblies 110 laterally arranged side by side, and the feeding assemblies 110 are arranged in a translational manner along the feeding frame and can be lifted.

As shown in fig. 2 and 7, the conveying mechanism 200 includes a plurality of groups of feeding sprocket wall plates 230, and a chain transmission mechanism disposed between each group of feeding sprocket wall plates 230, wherein one side of the chain transmission mechanism is provided with a plurality of sprocket feeding positioning rods 244, and the electric mechanism 270 drives the chain transmission mechanism through a rotating shaft 260.

As shown in fig. 11, the servo mobile cutting machine 300 is slidably disposed on a rail 430 of the nc cutting machine base 310, and includes a cutting base 320, a case 330, and a pressing device, the cutting device is disposed in the case 330 and is configured on the case 330 in a lifting manner, the cutting base 320 is provided with a fixing groove 322 and a cutting top plate 323 for positioning a cut pipe, and the pressing device and the cutting device respectively correspond to the fixing groove 322 and the top of the cutting top plate 323.

As shown in fig. 19, the discharging mechanism 400 includes a plurality of discharging guide plates 440, which are slidably disposed on the rail 430 side by side with the servo mobile cutting machine 300, and the discharging end is lower than the loading end, the bottom end of each discharging guide plate 440 is linked by a pulling rope 441, one end of the pulling rope 441 is fixed to the servo mobile cutting machine 300, and the other end is fixed to the tube cutting machine base 310.

The utility model discloses a working process does: the tube enters the feeding component 110 from the feeding mechanism 100, the servo control device 500 controls the feeding component 110 to drive the tube to move horizontally to the upper part of the chain transmission mechanism, then the tube falls between the two sprocket feeding positioning rods 244, the servo control device 500 controls the electric mechanism 270 to drive the chain transmission mechanism to rotate, meanwhile, the servo mobile cutting machine 300 slides along the rail 430 to enter a region to be cut and is in place, the pipe falls onto the cutting base 320 below the servo mobile cutting machine 300, the pipe is pressed in the fixing groove 322 by the pressing device, the cutting position of the pipe is jacked up by the cutting top plate 323, the cutting position of the pipe is cut by the cutting device, the pipe enters the discharging guide plate 440 after the cutting is finished, and slides down under gravity to discharge, the servo mobile cutting machine 300 returns in the pipe discharging process, and each discharging guide plate 440 returns through a traction rope 441 to complete one cutting cycle.

First, the feeding mechanism 100

As shown in fig. 3 and 4, the feeding mechanism 100 includes a plurality of feeding assemblies 110 laterally juxtaposed, the feeding assemblies 110 including:

the feeding cylinder 101 is vertically fixed on the cylinder frame 102, and the cylinder frame 102 is movably arranged on the feeding frame;

the feeding push-out cylinder 103 is transversely fixed on the feeding frame, is vertical to the direction of the feeding cylinder 101, and the movable end of the feeding push-out cylinder is connected with the cylinder frame 102;

and the feeding bracket 104 is arranged at the movable end of the feeding cylinder 101.

In the embodiment, the feeding bracket 104 is arranged at the movable end of the feeding cylinder 101, and the movable end of the feeding push-out cylinder 103 is connected with the cylinder frame 102, so that the pipe can move in the vertical direction under the action of the feeding cylinder 101 and move in the horizontal direction under the action of the feeding push-out cylinder 103, and a plurality of feeding assemblies 110 which are transversely arranged in parallel are combined into a feeding mechanism, thereby realizing the rapid feeding of the pipe, the structure is simple, the safety and the reasonability are realized, the automatic feeding of the pipe is facilitated, an operator can place a plurality of pipes to be cut at one time, the feeding efficiency is effectively improved, the labor cost is reduced, the number of the feeding assemblies 110 which are arranged in parallel can be changed, the feeding mechanism can be suitable for the pipes with different sizes, the adaptability of the feeding mechanism is improved, and a user does not need to additionally purchase the feeding mechanism when processing the pipes with, the production cost is reduced, and the user experience is improved.

Specifically, when a pipe is placed on the feeding bracket 104, the movable end of the feeding cylinder 101 moves upward to drive the pipe on the feeding bracket 104 to move upward to the highest point of the material placing position, at this time, the movable end of the feeding push-out cylinder 103 extends forward to drive the feeding bracket 104 to move forward to the target position of the pipe, the movable end of the feeding cylinder 101 moves downward to the position where the pipe falls on the target position, and then the movable end of the feeding push-out cylinder 103 returns to the original position to complete a pipe feeding process.

The moving direction, the extension length and the moving speed of the moving ends of any two feeding cylinders 101 at the same time are the same; the moving direction, the extending length and the moving speed of any two feeding push-out air cylinders 103 at the same time are the same.

In addition, the movable end of the feeding cylinder 101 and the feeding bracket 104 can be fixedly connected through a bolt, and the movable end of the feeding push-out cylinder 103 and the cylinder frame 102 can be connected through a bolt.

In an embodiment of the present invention, preferably, the feeding frame is composed of a plurality of U-shaped steels, and two adjacent U-shaped steels are connected by a bolt.

In this embodiment, the feeding frame comprises a plurality of U shaped steel, and two adjacent U shaped steel pass through bolted connection for the feeding frame can bear great pressure, is favorable to promoting the bearing capacity of feeding frame, simple to operate, and non-deformable guarantees the stability and the reliability of feeding subassembly 110 structure.

The U-shaped steel is respectively a cross beam, a longitudinal beam and a vertical beam, the cross beam and the longitudinal beam are vertically fixed and vertically placed in the horizontal direction, and the vertical beam and the cross beam, the vertical beam and the longitudinal beam are vertically fixed.

As shown in fig. 3 and 4, in an embodiment of the present invention, preferably, the feeding frame includes:

a feeding part 105, which is at least two horizontal longitudinal beams, for storing pipes;

the blanking portion 106, which is at least two longitudinally inclined beams, has a head end connected to the tail end of the feeding portion 105 for sliding the stored tubes onto the feeding tray 104.

In this embodiment, by providing the feed rack including the charging portion 105 for storing the tubes and the discharging portion 106 for sliding the stored tubes onto the feed tray 104, a large number of tubes and the charging portion 105 can be stored in advance, when cutting is carried out, the tube is slid onto the feeding bracket 104 from the blanking part 106, the movable end of the feeding cylinder 101 rises to drive the tube on the feeding bracket 104 to move upwards to the highest point of the feeding position, at the moment, the feeding is pushed out of the movable end of the cylinder 103 to extend forwards, the feeding bracket 104 is driven to move forwards until the tube is at the target position, the movable end of the feeding cylinder 101 moves downwards until the tube is at the target position, and then the movable end of the feeding pushing cylinder 103 returns, thereby accomplish the process of a feeding, the accessible is connected feeding portion 105 and unloading portion 106 detachably, is favorable to the installation and the dismantlement of feeding frame, is convenient for store.

As shown in fig. 5, in an embodiment of the present invention, preferably, the end of the longitudinal inclined beam is provided with a storage beam 107, and the storage beam 107 has the same length as the longitudinal length of the feeding bracket 104.

In this embodiment, by providing the storage beam 107 at the end of the longitudinal inclined beam of the blanking portion 106, when the blanking portion 106 performs blanking, the tube enters the storage beam 107 through the longitudinal inclined beam and is blocked by the vertical beam, so that the tube can be stored at the storage beam 107, the longitudinal length of the storage beam 107 is the same as that of the feeding bracket 104, at this time, the tube is on the storage beam 107, the feeding bracket 104 and the storage beam 107 are on the same horizontal plane, the movable end of the feeding cylinder 101 ascends, and a series of feeding actions are completed.

In an embodiment of the present invention, preferably, the vertical beams include at least a first vertical beam 111 and a second vertical beam 112, the first vertical beam 111 is connected to the storage beam 107, the second vertical beam 112 is connected to the charging portion 105, the top end of the first vertical beam 111 is higher than the bottom of the charging portion 107, and the height of the second vertical beam 112 is greater than the height of the first vertical beam 111.

In this embodiment, the tube has a certain inertia after the blanking portion 106 slides down to the storage beam 107, so that the tube can continue to roll forward, and the top end of the first vertical beam 111 is higher than the bottom of the blanking portion 107, that is, the first vertical beam 111 can block the roll of the tube, the position of the tube is limited, the safety problem caused by the tube sliding is avoided, the safety is improved, and the blanking portion 106 is an inclined beam, therefore, the top end of the blanking portion 106 is higher than the bottom end of the blanking portion, in order to ensure that the tube at the feeding portion 105 cannot slide down, the height of the second vertical beam 112 needs to be higher than the top end of the blanking portion 106, and therefore, the height of the second vertical beam 112 is greater than the height of the first vertical beam 111.

In an embodiment of the present invention, preferably, the storage beam 107 is fixed to the longitudinal inclined beam of the blanking portion 106 through a connection beam 108, and the feeding ejecting cylinder 103 is fixed to the connection beam 108.

In this embodiment, the storage beam 107 and the blanking portion 106 are fixed through the connecting beam 108, which is beneficial to improving the reliability and stability of the feeding frame, the storage beam 107 and the blanking portion 106 are both U-shaped steel, the connecting beam 108 is L-shaped steel, the opening directions of the storage beam 107 and the blanking portion 106 are the same, and the storage beam 107, the blanking portion 106 and the connecting beam 108 are connected and fixed back to back.

Wherein, the feeding push-out cylinder 103 is fixed in the L-shaped notch of the connecting beam 108, so that the movable end of the feeding push-out cylinder 103 can smoothly extend out, and the structure of the feeding assembly 100 is optimized.

In an embodiment of the present invention, preferably, the feeding cylinder 101 and the feeding ejecting cylinder 103 are both electrically connected to the servo control device 500.

In this embodiment, the feeding cylinder 101 and the feeding push-out cylinder 103 are controlled by the same servo control device 500, so that the automatic control of the feeding process is realized, the feeding efficiency is effectively improved, and the labor cost is reduced.

Wherein, the trachea of cylinder 103 is released in feeding cylinder 101 and feeding, and fixed mounting is in the U type notch of the crossbeam of feeding frame, is favorable to preventing that the trachea from receiving the damage, promotes feeding subassembly 110's stability.

In one embodiment of the present invention, the feed bracket 104 is preferably U-shaped with vertical plates on either side for gripping the tubing.

In this embodiment, the feeding bracket 104 is U-shaped, so that the movement of the tube in the feeding bracket 104 is effectively limited, the tube is prevented from sliding off the feeding bracket 104, and the stability and reliability of the feeding frame are improved.

In an embodiment of the present invention, preferably, the front end cover and the rear end cover of the feeding propulsion cylinder respectively abut against the angle steel 109, and the two angle steels 109 are fixed on the feeding frame by bolts.

In this embodiment, the front end housing, the rear end cap that the feed impeld the cylinder support respectively and lean on in angle steel 109, simple structure, simple to operate, and simultaneously, angle steel 109 passes through the bolt fastening in feeding frame, can promote the stability that the feed impeld the cylinder greatly, and then promote feed mechanism's stability.

The angle steel 109 is low in price, cost can be reduced, and replacement is convenient.

In an embodiment of the present invention, preferably, the lower end of the cylinder frame 102 is fixedly provided with a slide block, the slide block is slidably disposed in a slide rail, and the slide rail is fixed on the feeding frame.

In this embodiment, the sliding block is fixedly arranged at the lower end of the cylinder frame 102 and is arranged on the sliding rail of the feeding frame in a sliding manner, so that the friction between the cylinder frame 102 and the feeding frame is reduced, and the transverse movement of the cylinder frame 102 is smoother.

The utility model discloses a feeding mechanism of a pipe cutting machine, a feeding bracket is arranged at the movable end of a feeding cylinder, the movable end of a feeding push-out cylinder is connected with a cylinder frame, so that a pipe can move in the vertical direction under the action of the feeding cylinder and move in the horizontal direction under the action of the feeding push-out cylinder, and a plurality of feeding components which are transversely arranged in parallel are combined into the feeding mechanism, thereby realizing the rapid feeding of the pipe, the structure is simple, the feeding mechanism is safe and reasonable, the automatic feeding of the pipe is facilitated, an operator can place a plurality of pipes to be cut at one time, the feeding efficiency is effectively improved, the labor cost is reduced, the number of the feeding components which are arranged in parallel can be adjusted, the feeding mechanism can be suitable for pipes with different sizes, the adaptability of the feeding mechanism is improved, and a user does not need to additionally purchase the feeding mechanism when processing pipes with other sizes, the production cost is reduced, and the user experience is improved.

Second, the transmission mechanism 200

As shown in fig. 6, the conveying mechanism 200 includes a feeding base 210, a feeding sprocket wall plate 230, a chain transmission mechanism, a rotating shaft 260 and an electric mechanism 270.

As shown in fig. 7, two of the feeding sprocket wall plates 230, which are a group, are arranged in multiple groups and fixed above the feeding base 210 to serve as feeding brackets. The chain transmission mechanism is arranged between each group of feeding chain wheel wall plates 230 and used as a feeding conveying structure to drive the pipes to move. One side of the chain drive mechanism is provided with a plurality of sprocket feeding positioning rods 244 for positioning the conveyed pipes.

The rotating shaft 260 passes through each feeding sprocket wallboard 230 and the chain transmission mechanism, and the rotating shaft 260 drives the chain transmission mechanism to rotate. The electric mechanism 270 is disposed at one side of the feeder base 210, and the electric mechanism 270 drives the rotation shaft 260 to rotate.

As shown in fig. 7 to 10, the chain transmission mechanism includes a feeding chain 240, passive sprockets 241 are disposed at two ends of an inner side of the feeding chain 240, two ends of the feeding chain 240 are sleeved outside the passive sprockets 241, a driving sprocket 242 is disposed at a middle portion of each of the two passive sprockets 241, a rotating shaft 260 is linked with the driving sprocket 242, the rotating shaft 260 rotates to drive the driving sprocket 242 to rotate, the driving sprocket 242 drives the feeding chain 240 to rotate, and the feeding chain 240 rotates to drive the passive sprockets 241 at two ends to rotate passively.

As shown in fig. 7 and 8, the driven sprocket 241 has a fixing hole 243 at the center, the feeding sprocket wall plate 230 has positioning holes 231 at both ends, the sprocket shaft 232 passes through the positioning holes 231 and the fixing hole 243, and the driven sprocket 241 is rotatably disposed on the sprocket shaft 232 and can also be fixed together with the sprocket shaft 231 and further rotatably disposed in the positioning holes 231. The two sides of the feeding chain 240 are positioned with the feeding chain wheel wall plate 230, and the feeding chain wheel wall plate 230 provides an installation foundation for the chain transmission mechanism, so that the feeding chain 240 is prevented from deviating during operation.

As shown in fig. 6, a rotating shaft positioning plate 250 is disposed on one side of the electric mechanism 270, a central hole 251 is disposed on the rotating shaft positioning plate 250, a shaft hole 234 is disposed in the middle of the feeding sprocket wall plate 230, a rotating hole 244 is disposed in the center of the driving sprocket 242, the rotating shaft 260 passes through the central hole 252, the shaft holes 234 and the rotating holes 244, and the driving sprocket 242 and the rotating shaft 260 are fixed. The shaft hole 234 and the central hole 252 are internally provided with a bearing seat 261, the bearing seat 261 has the characteristics of compact structure, sensitive rotation, convenient device maintenance and the like, can receive comprehensive load, enables the rotation of the rotating shaft 260 to be more flexible, and enables the driving sprocket 242 to synchronously rotate when the rotating shaft 260 rotates.

The distance between the sprocket feeding positioning rods 244 is equal, the bottoms of the sprocket feeding positioning rods 244 are fixed on the outer side of the feeding chain 240 through metal plates in a welding mode, the length direction of the sprocket feeding positioning rods 244 is the radial direction of the feeding chain 240, and the sprocket feeding positioning rods are higher than the upper edge of the feeding sprocket wallboard. Therefore, the pipe needing to be cut can be better positioned, and the pipe in the conveying process is prevented from falling.

As shown in fig. 6, both ends of the feeding sprocket wall plate 230 respectively extend to both sides of the feeder base 210, and the driving distance of the feeding chain 240 is greater than the width of the feeder base 210. The conveying effect of the pipes is ensured, and the phenomenon that the conveying is not in place due to the fact that the conveying distance of the feeding chain 240 is too short is avoided.

The bottom of the electric mechanism 270 is provided with a motor frame 220, and the electric mechanism 270 is fixed on the motor frame 220 through a positioning plate 221. The motor frame 220 is arranged to heighten the electric mechanism 270, so that the rotating shaft 260 is arranged in a horizontal state, and the transmission is stable. The lower end of the feeding sprocket wall plate 230 is bent to the horizontal direction to form a fixing plate 232, and the fixing plate 232 fixes the feeding sprocket wall plate 230 on the feeding base 210 through a screw 233. The feeding chain wheel wall plate 230 is fixed by using a screw 233, and the structure is firm.

The electric mechanism 270 includes a transmission motor 222 disposed at the outer end of the feeder base 210; the conveyance reducer 223 is provided at the inner end of the conveyance motor 222. The rotating shaft 260 is connected with a transmission speed reducer 223 through a coupling 262, the transmission motor 222 is used for controlling the operation of the feeding chain 240, and the transmission speed reducer 223 is matched between the transmission motor 222 and the feeding chain 240 for adjusting the rotating speed and the torque. The coupling 262 is a common connection means in mechanical transmission, and is used for transitionally connecting the rotating shaft 260 and the transmission reducer 223.

The working process of the utility model is as follows:

the conveying motor 222 is started, the rotating speed and the torque of the conveying motor 222 are adjusted to appropriate values through the conveying speed reducer 223, the conveying motor 222 drives the rotating shaft 260 to rotate, the rotating shaft 260 drives the driving chain wheel 242 to rotate, the driving chain wheel 242 drives the feeding chain 240 to rotate, and the two ends of the feeding chain 240 are sleeved on the outer side of the driven chain wheel 241, so that the driven chain wheel 241 passively rotates, the pipes are conveyed to the other end of the feeding chain wheel wallboard 230 from one end of the feeding chain wheel wallboard 230 through the rotation of the feeding chain 240, and the automatic feeding process is achieved.

The utility model discloses an electric mechanism 270 drives sprocket drive and rotates, sets up sprocket pay-off location stick on sprocket drive and realizes autoloading's process with tubular product location, uses manpower sparingly, and is safer, overall structure is simple, convenient operation.

Three, servo mobile cutting machine 300

As shown in fig. 11 and 12, the servo mobile cutting machine 300 includes a numerical control cutting machine base 310, a cutting machine body is slidably disposed on the numerical control cutting machine base 310, and the cutting machine body further includes a cutting base 320, a chassis 330, and a pressing device.

The cutting base 320 is provided with a fixing groove 322 for positioning the cut pipe and a cutting top plate 323. The pipe to be cut is clamped in the fixing groove 322, and one end of the pipe to be cut is pressed against the cutting top plate 323.

Case 330 sets up on cutting base 320, and case 330 is inside to be equipped with: the cutting machine comprises two upright columns 331, a cutting support plate 332, a servo lifting electric cylinder 333 and a cutting device, wherein the two upright columns 331 are respectively and vertically arranged on the bottom surface of the case 330, column holes matched with the two upright columns 331 are formed in the cutting support plate 332, the two upright columns 331 are arranged on the two upright columns 331 in a vertically sliding mode through the column holes, and the stability of the vertical sliding of the cutting support plate 332 is guaranteed.

The servo lifting electric cylinder 333 is arranged on the bottom surface of the case 330, the output end of the servo lifting electric cylinder 333 is fixed with the cutting support plate 332, and the servo lifting electric cylinder 333 controls the height of the output end to drive the cutting support plate 332 to move up and down. The servo lifting electric cylinder 333 is installed between the two upright columns 331, and the output end is fixed at the center of the cutting support plate 332, so that the cutting support plate 332 is uniformly stressed. The cutting device is fixed on the cutting support plate 332, extends out of the case 330, and is disposed above the cutting top plate 323.

The pushing device comprises a support 340 fixed on the side face of the case 330, a pushing cylinder 341 and a pressing wheel 342, wherein the support 340 is right-angled, the vertical end is fixed on the side face of the case 330, the horizontal end extends out of the upper portion of the fixing groove 322 and is parallel to the cutting base 320, the pushing cylinder 341 is arranged on the upper surface of the horizontal end, the pressing wheel 342 is arranged on the lower surface of the horizontal end, and the movable end of the pushing cylinder 341 is fixed with the pressing wheel 342. Push down cylinder 341 control pinch roller 342 and reciprocate, fix a position the tubular product that needs the cutting from upper portion, prevent that the skew from appearing in tubular product when the cutting, make the cutting more accurate.

As shown in fig. 13, 14 and 15, the cutting device includes a cutting motor 334 fixed on the cutting support plate 332, which is used as a power source of the cutting machine body to drive the cutting device to operate. The cutting shaft 335 extends outwardly of the housing 330. The grinding wheel blade 336 is disposed at one end of the cutting shaft 335 and is connected to the cutting motor 334 through the cutting shaft 335. The grinding wheel blade 336 operates rotationally to cut the pipe. Axle sleeve 337 detachably overlaps on cutting shaft 335, and emery wheel blade 336 installs on axle sleeve 337, and axle sleeve 337 can set up to a plurality of models, selects suitable model as required, and the axle sleeve 337 of each model corresponds the each angle of the deflection of emery wheel blade 336, makes emery wheel blade 336 can each angle cutting tubular product, has increased the application range of cutting machine body.

The cutting shaft 335 is connected to the cutting motor 334 through a driving device configured such that a pulley 338 is disposed at one end of the cutting shaft 335 opposite to the grinding wheel blade 336; a belt 339 connects the pulley 338 and the cutting motor 334. The cutting motor 334 rotates, the pulley 338 is linked by the belt 339, and the cutting shaft 335 is rotated because the pulley 338 is connected to the cutting shaft 335.

The bottom of the dust cover 380 is fixed on the bottom surface of the case 330, the top of the dust cover 380 is fixed on the cutting support plate 332, and the dust cover 380 is formed by sleeving a plurality of dust covers and surrounds the servo lifting electric cylinder 333 and the two upright posts 331; the dust cover 380 is arranged to prevent the scraps of the cut pipe from entering the servo lifting electric cylinder 333, so that the servo lifting electric cylinder 333 is not smoothly operated or even damaged. Adopt the mode that the multilayer dirt proof boot cover was established, dust cover 380's height can be according to the position of cutting mounting panel 332 from top to bottom adjustment, guarantees dustproof effect.

As shown in fig. 16, the bottom of each dust-proof sleeve is provided with a clamping plate 381 which is turned inwards, the top of each dust-proof sleeve is provided with a fixing plate 382 which is turned outwards, and the clamping plate 381 and the fixing plate 382 are used for limiting the dust-proof cover 380, so that the dust-proof sleeves cannot slip due to the fact that the cutting support plate 332 slides upwards.

As shown in fig. 12, a sliding motor 321 is further disposed in the case 330, a rotating shaft is disposed at a bottom end of the sliding motor 321, and is connected to a rotating speed reducer, another end of the rotating speed reducer extends out of a lower portion of the cutting base 320 and is fixed to a gear 325, and a rack 411 adapted to the gear 325 is disposed on the numerical control cutting base 310. The sliding motor 321 drives the rotary speed reducer to rotate, the rotary speed reducer drives the gear 325 to synchronously rotate as the rotary speed reducer is fixed with the gear 325, and the gear 325 moves along the transverse direction of the rack 411 during rotation as the gear 325 is matched with the rack 411, so that the servo mobile cutting machine 300 moves on the numerical control cutting machine base 310.

The position that the lower surface of cutting base 320 corresponds fixed slot 322 is equipped with rising cylinder 3221, and rising cylinder 3221 is connected with fixed slot 322 to drive fixed slot 322 and reciprocate the position that the lower surface of cutting base 320 corresponds cutting roof 323 and be equipped with cutting roof cylinder 3231, cutting roof cylinder 3231 is connected with cutting roof 323, and drives cutting roof 323 and reciprocate. After the pipe enters the cutting position, the lifting cylinder 3221 starts to lift to enable the pipe to be clamped in the fixing groove 322, the pressing cylinder 341 starts to press downwards to position the pipe in the fixing groove 322 through the pressing wheel 342, the cutting top plate 323 lifts again to abut against the required cutting position, the cutting is performed through the servo moving cutting machine 300, after the cutting is completed, the servo moving cutting machine 300 stops, the fixing groove 322, the pressing wheel 342 and the cutting top plate 323 return through respective cylinders, and then the next cutting action is performed.

As shown in fig. 14, a grinding wheel clamping device 351 is disposed on the outer side of the grinding wheel blade 336 to position the grinding wheel blade 336, so as to prevent the grinding wheel blade 336 from being displaced during operation, which may cause inaccurate cutting or even personnel injury due to being separated from the cutting shaft 335.

As shown in fig. 13, a safety cover 350 is disposed above the pulley 338 and the grinding wheel blade 336, and since the pulley 338 and the grinding wheel blade 336 rotate at too high speed during operation and are exposed to the outside, people are easily injured, the safety cover 350 is disposed to prevent the people from being injured.

The upper end of the case 330 is provided with a touch display screen 360, a power indicator 361, a start key 362 and a stop key 363. When the start key 362 is pressed, the power indicator 361 is turned on, the servo mobile cutting machine 300 starts to operate, and when the stop key 363 is pressed, the servo mobile cutting machine 300 stops operating. The touch display screen 360 is used for adjusting the height and the position of the cutting device and positioning the cutting device.

The two emergency stop switches are vertically arranged on the inner side wall of the case 330, two switch keys 370 are arranged on the outer side surface of the case 330 corresponding to the two emergency stop switches, and a height signboard 371 is arranged between the two switch keys 370. When the cutting support plate 332 moves upwards for too long distance, the cutting support plate 332 is easy to separate from the two upright posts 331, so that two emergency stop switches are arranged at the movable upper limit and lower limit positions of the cutting support plate 332 on the inner side wall of the case 330, when the cutting support plate 332 moves to the upper limit or the lower limit, the cutting support plate 332 touches the emergency stop switches, the servo moving cutting machine 300 stops running, and equipment is protected. When the trigger emergency stop is triggered, the servo mobile cutting machine 300 continues to operate by manually adjusting and pressing the on-off key 370. The running height of the cutting support plate 332 can be visually seen by setting the height signboard 371.

The utility model discloses the use has following advantage:

1. the output end of the servo lifting electric cylinder moves up and down, and the automatic cutting is realized by automatically adjusting the height of the cutting device, so that the labor is saved;

2. the cutting support plate moves up and down along the two upright posts, so that the operation is more stable, and the precision is improved;

3. the moving device enables the cutting machine body to move on the numerical control cutting machine base without manual adjustment, and a fixing groove and a cutting top plate are arranged on the cutting machine body to position the pipe to be cut, so that the cutting is accurate;

4. the lower pressing device is used for positioning the pipe from the upper part, so that the pipe is prevented from deviating in the cutting process.

Four, discharge mechanism 400

As shown in fig. 17 and 19, the discharging mechanism 400 includes a tube cutting base 310, a servo mobile cutter 300 is disposed at one end of the tube cutting base 310, a rail 430 disposed along a length direction of the tube cutting base 310 and a plurality of discharging guides 440 slidably disposed on the rail 430 side by side with the servo mobile cutter 300 are further disposed on the tube cutting base 310, a length direction of each discharging guide 440 is perpendicular to the rail 430, and the discharge end is lower than the loading end, so that the tube can be conveniently rolled from the loading end to the discharge end to enter the discharge frame 450, the bottom ends of the discharge guide plates 440 are linked through a guy rope 441, one end of the guy rope 441 is fixed with the servo mobile cutting machine 300, the other end of the guy rope 441 is fixed with the tube cutting machine base 310, so that when the servo mobile cutting machine 300 transversely returns, the plurality of discharge guide plates 440 are driven by the pulling rope 441 to return together, and a discharge frame 450 arranged along the length direction of the tube cutting machine base 310 is further arranged at the discharge end of the tube cutting machine base 450.

As shown in fig. 18, each discharge guide plate 440 includes a guide frame 444 and a guide plate 443 fixed above the guide frame 444 through a support plate 446, the guide frame 444 is horizontally erected on the rail 430, and the bottom of the guide frame 444 is provided with a first slider 445 matched with the rail 430, the first slider 445 is fixed at the bottom of the guide frame 444 through a screw, so that the discharge guide plate 440 is driven to move when the servo mobile cutting machine 300 moves, the guide plate 443 is in a slope shape, the discharge end of the guide plate 443 is lower than the feeding end, the pipe slides to the discharge end through the feeding end, and automatically falls into the discharge frame 450.

As shown in fig. 17, 18 and 19, a first rope fastening 421 is provided at the bottom of the servo moving cutter 300, a rope fastening pin 442 is provided at the bottom of each guide 444, a second rope fastening 414 is provided at the end of the tube cutting machine base 310 away from the servo moving cutter 300, one end of the rope fastening pin 441 is fixed on the first rope fastening 421, and the rope fastening pins 442 sequentially pass through and are respectively fixed at the end, and the other end is fixed on the second rope fastening 414. The lead lines 441 are fixed to the respective guide frames 444 to define the distance between the adjacent discharge guides 440, and may be disposed at the same interval. When the servo mobile cutting machine 300 shifts, the discharging guide plates 440 can be pushed to move on the rails 430, the rope pulling sections among the discharging guide plates 440 are loosened and fall, the servo mobile cutting machine 300 cuts after moving in place, after cutting, the servo mobile cutting machine 300 returns, the sections of the rope pulling 441 are gradually tightened, the shifted discharging guide plates 440 are pulled to return through the rope pulling 441, labor is not consumed, and the working efficiency is improved.

As shown in fig. 17, the bottom of the servo moving cutter 300 is provided with a second slider 423 adapted to the track 430, and is provided with a gear 325, and the tube cutter base 310 is provided with a rack 411 engaged with the gear 325, so that the displacement of the servo moving cutter 300 is more accurate and controllable by using the transmission manner of the rack 411 of the gear 325, the derailment self-sliding is prevented, and the performance is more stable and reliable.

The two rails 430 are symmetrically disposed and disposed on two sides of the tube cutting machine base 310, respectively, and the rack 411 is disposed between the two rails 430. The two rails 430 can effectively improve the sliding stability, provide symmetrical bearing carriers for the servo mobile cutting machine 300, and enable the servo mobile cutting machine 300 and the discharging guide plate 440 to be more stable in the moving process.

As shown in fig. 18, two support plates 446 are provided, which are parallel to the length direction of the rail 430 and are respectively provided at the upper portion and the lower portion of the guide plate 443, the upper portion is provided at the bottom of the loading end, and the lower portion is provided at the bottom of the unloading end. Adopt the structure of two backup pads, compare a backup pad, change control and adjustment guide plate 443's slope, can with the slope adaptation of guide plate 443, wherein, can set up backup pad 446 in the top of each track 430, improve the rigidity of backup pad 446, utilize first slider 445 dispersion backup pad 446 to receive the pressure, reduce the deformation, increase of service life.

The material loading end of guide board 443 extends to the bottom of tubular product pay-off chain, and the discharge end extends to the upper end of unloading frame 450 to tubular product passes through the rotation of pay-off chain and falls on guide board 443, rolls again and falls on unloading frame 450, realizes seamless connection with last process, avoids tubular product the sky problem to appear falling, has reduced the difference in height that tubular product descends simultaneously, reduces the collision and the impact that tubular product received.

The contained angle of guide board 443 and guide frame 444 is 10 ~ 30 degrees, and inclination is higher, and the slope is big more, and the speed that tubular product falls to unloading frame 450 is fast more, and work efficiency is high more, need consider the model size of tubular product, guarantees that the tubular product of cutting completion accomplishes before next batch tubular product cutting is accomplished and unloads, simultaneously, also avoids tubular product to drop too fast and arouses the collision or bounce, arouses unnecessary impact or noise.

As shown in fig. 17, a sizing block 412 for fixing the rail 430 is arranged below the rail 430, and a groove adapted to the rail 430 is arranged on the sizing block 412, so that the rail 430 is stably arranged on the tube cutting machine base 310, and the servo moving cutting machine 300 and the discharge guide 440 have better stability in the sliding process.

The discharging frame 450 is welded by a U-shaped steel plate structure, the weight is light, the strength is high, the height is lower than that of the pipe cutting machine base 310, pipes can accurately fall onto the discharging frame 450, and the working efficiency is improved.

The utility model discloses a use method as follows:

when the pipe on the feeding chain enters the position to be cut of the servo mobile cutting machine 300, the servo mobile cutting machine 300 shifts to cut the pipe, meanwhile, the plurality of discharging guide plates 440 are pushed to move on the track 430, the rope pulling sections between the discharging guide plates 440 loose and fall, the servo mobile cutting machine 300 moves in place to cut the pipe, after the pipe is cut, the servo mobile cutting machine 300 returns, the sections of the rope pulling 441 are gradually tightened, the discharging guide plates 440 are driven to return through the rope pulling 441, the feeding chain rotates again to enable the cut pipe to fall onto the discharging guide plates 440, the pipe rolls into the discharging frame 450, and discharging is completed.

Compared with the prior art, the utility model discloses, a plurality of baffles of unloading and servo mobile cutting machine set up on the track side by side, and every baffle bottom of unloading is through the guy rope linkage, and the one end of guy rope is fixed with servo mobile cutting machine, and the other end is fixed with tubular product cutting frame to servo mobile cutting machine drives a plurality of baffles returns of unloading through the guy rope when removing the return, and the discharge end is less than the material loading end, makes things convenient for tubular product automatic roll to fall in unloading the frame, thereby reduces the manpower object, improves production efficiency.

In the utility model, the pipe enters the feeding component from the feeding mechanism, the servo control device controls the feeding component to drive the pipe to move horizontally to the position above the chain transmission mechanism and then to descend and return, the pipe falls between the two sprocket feeding positioning rods, the servo control device controls the electric mechanism to drive the chain transmission mechanism to rotate, meanwhile, the servo mobile cutting machine slides along the track to enter the area to be cut and is in place, the pipe rotates to the position above the cutting base, the fixed groove and the cutting top plate rise to support the pipe, the pressing device presses the pipe in the fixed groove, the cutting device cuts the cutting position of the pipe, the servo mobile cutting machine resets after the pipe is cut, and returns each unloading guide plate through the traction rope, the conveying mechanism is started again, so that the cut pipe enters the unloading guide plate through the chain transmission mechanism, and slide down under gravity and unload, accomplish a cutting circulation, have following advantage:

The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.

Claims

1. The utility model provides an automatic tubular product cutting system, includes servo control device, its characterized in that still includes:

2. The automatic pipe cutting system of claim 1, wherein the feed assembly comprises:

and the feeding bracket is arranged at the movable end of the feeding cylinder.

3. The automatic pipe cutting system of claim 2, wherein the feed carriage comprises:

the feeding part is at least two horizontal longitudinal beams;

4. The automatic pipe cutting system of claim 1, wherein said feeding sprocket panels are grouped in sets of two and are mounted above a feeding frame, and said rotating shaft passes through each of said feeding sprocket panels and each of said chain drives.

5. The automatic pipe cutting system of claim 1, wherein within the chassis:

the cutting support plate is provided with column holes matched with the two stand columns, and the cutting support plate is arranged on the two stand columns in a vertically sliding mode through the column holes;

6. The automatic tube cutting system of claim 5, wherein the cutting device comprises:

the cutting motor is fixed on the cutting support plate;

the cutting shaft extends out of the outer side of the case;

7. The automatic pipe cutting system according to claim 5, wherein a dust cover is further disposed inside the machine case, the bottom of the dust cover is fixed on the bottom surface of the machine case, the top of the dust cover is fixed on the cutting support plate, the dust cover is formed by sleeving a plurality of dust covers and surrounds the servo lifting electric cylinder and the two upright posts, a clamping plate which is turned inwards is disposed at the bottom of each dust cover, a fixing plate which is turned outwards is disposed at the top of each dust cover, and the clamping plate and the fixing plate are used for limiting the dust cover.

8. The automatic tube cutting system of claim 1, wherein the discharge guide comprises:

9. The automatic pipe cutting system of claim 8, wherein the servo moving cutter has a first rope buckle at the bottom, a rope pulling bolt at the bottom of each guide frame, a second rope buckle at the end of the pipe cutting machine base away from the servo moving cutter, one end of the rope pulling is fixed to the first rope buckle, the rope pulling bolt sequentially passes through the pipe cutting machine base and is fixed to the second rope buckle, and the other end of the rope pulling bolt is fixed to the second rope buckle.