CN118023723A

CN118023723A - Pipe cutting machine and pipe cutting method

Info

Publication number: CN118023723A
Application number: CN202410248894.XA
Authority: CN
Inventors: 郭方佳; 杜夫秋; 甄守哲
Original assignee: Jinan Bodor Laser Co Ltd
Current assignee: Jinan Bodor Laser Co Ltd
Priority date: 2024-03-05
Filing date: 2024-03-05
Publication date: 2024-05-14

Abstract

The application relates to the technical field of laser cutting equipment and discloses a pipe cutting machine and a pipe cutting method, wherein the pipe cutting machine comprises a pipe cutting machine body and a discharging mechanism, the pipe cutting machine body is provided with a discharging end, the discharging mechanism is arranged at the discharging end, the discharging mechanism comprises a base, a guide plate and a driving piece, the guide plate is arranged on the base, the driving piece is used for driving the guide plate to move in the vertical direction and driving the guide plate to turn over, so that the guide plate can support a pipe in real time and enable the cut pipe to slide along the guide plate, the pipe cutting machine body is provided with a supporting lifting mechanism, the pipe is prevented from swinging in the rotating process, the stability of the pipe is improved, and the cutting accuracy of the pipe is improved; the pipe cutting method comprises pipe feeding, pipe lifting, rear chuck moving, front chuck and blanking mechanism working, laser cutting head working, rear chuck continuing moving, support mode selecting, rear chuck resetting and blanking, and cutting accuracy of the pipe is improved.

Description

Pipe cutting machine and pipe cutting method

Technical Field

The application belongs to the technical field of laser cutting equipment, and particularly relates to a pipe cutting machine and a pipe cutting method.

Background

The laser pipe cutting machine is novel pipe cutting equipment, and the pipe cutting machine uses a laser beam with high energy density as a heat source to cut the pipe, and has the advantages of high cutting speed, high production efficiency, high quality of cutting surfaces and the like. With the continuous development of laser technology and numerical control technology, a laser pipe cutting machine is an advanced processing device in the field of industrial pipe cutting at present.

At present, a laser pipe cutting machine comprises a frame, a first chuck, a second chuck and a laser cutting head, wherein the first chuck, the second chuck and the laser cutting head are sequentially arranged along the length direction of the frame, when a pipe is cut, the pipe is firstly placed between the first chuck and the second chuck, then the first chuck clamps one end of the pipe and moves towards the direction close to the laser cutting head, so that one end of the pipe far away from the first chuck passes through the second chuck, the position of the pipe needing to be cut is finally moved to the position right below the laser cutting head, and the first chuck and the second chuck rotate and drive the pipe to rotate, so that the laser cutting head can finish rotary cutting of the pipe; after the first cutting is finished, the first chuck continues to move towards the direction close to the laser cutting head so that the next position of the pipe to be cut moves to the position right below the laser cutting head, and then the laser cutting head cuts the pipe again, so that the circulation is performed until the rest part of the pipe clamped by the first chuck cannot obtain the required size.

However, in the process of cutting the pipe, as the part of the pipe positioned on one side of the laser cutting head away from the first chuck is in a suspended state, the part of the pipe is bent downwards under the action of gravity, and the pipe is easy to swing in the process of rotating and cutting the pipe, so that the cutting precision of the pipe cutting machine is affected.

Disclosure of Invention

The application provides a pipe cutting machine and a pipe cutting method, which are used for avoiding the condition that a pipe needs to be bent by a cut part and improving the cutting precision of the pipe cutting machine.

The technical scheme adopted by the application is as follows:

The utility model provides a pipe cutting machine, includes pipe cutting machine body and unloading mechanism, the pipe cutting machine body has the unloading end, unloading mechanism locates the unloading end, unloading mechanism includes the base and locates stock guide and the driving piece of base, the driving piece is used for the drive the stock guide removes and drives in vertical direction the stock guide upset, so that the stock guide can support in real time to the tubular product after the completion of messenger's cutting along the stock guide landing, one side of pipe cutting machine body is provided with the support elevating system that is used for lifting to the tubular product.

Through adopting above-mentioned technical scheme, when cutting the pipe, place the pipe in the pipe cutting machine body earlier, simultaneously make the position that the pipe needs to be cut be located the laser cutting head below of pipe cutting machine body, the part that the pipe needs to be cut is located the unloading end, the driving piece drives the stock guide, so that the stock guide rises and contradicts in the pipe, then the laser cutting head cuts the pipe, the front chuck and the back chuck of pipe cutting machine body drive the pipe rotation at the in-process of cutting, if the pipe that need cut is square pipe, the stock guide follows the rotation of pipe and goes up and down under the effect of driving piece, so that the stock guide carries out real-time support to the pipe, if the pipe that needs cut is the pipe, the stock guide is static relatively, in order to support in real time to the pipe, thereby avoid the pipe to get rid of the condition of pipe cutting accuracy at rotatory in-process, avoid influencing the condition of pipe cutting accuracy because of pipe whipping, and then increase the cutting accuracy of pipe cutting machine.

Simultaneously, in the in-process of cutting the tubular product, support elevating system carries out auxiliary stay to the tubular product, has further avoided tubular product to throw the condition of moving at rotatory in-process, and then has further increased the cutting accuracy of pipe cutting machine.

After cutting is completed on the pipe, the driving piece drives the material guide plate to turn over, so that the material guide plate is inclined, the cut pipe slides into the material frame along the inclined direction of the material guide plate, collection of the cut pipe is achieved, next finishing work of the cut pipe is conveniently carried out by workers, and use experience of the workers is improved.

Optionally, a moving seat is disposed on the base, the material guiding plate is disposed on the moving seat, and the moving seat is slidably connected with the base, so that the moving seat can drive the material guiding plate to move in a direction approaching or separating from the pipe cutting machine body.

Through adopting above-mentioned technical scheme, remove seat and base sliding connection for remove the seat and can drive the stock guide and be being close to or keep away from the direction removal of pipe cutting machine body, make then that the stock guide is adjustable to the supporting position of tubular product, thereby make the stock guide be close to the central point who needs to be cut off the part as far as to the supporting position of tubular product, with the increase to the supporting effect who needs to be cut off the tubular product, further avoid the in-process to tubular product rotatory cutting, the tubular product need be by the circumstances that the part of cutting is thrown, and then improve the cutting accuracy to the tubular product.

Optionally, the movable seat is provided with a lifting seat, the material guiding plate is arranged on the lifting seat, and the lifting seat is slidably connected with the base, so that the lifting seat can drive the material guiding plate to move in the vertical direction.

Through adopting above-mentioned technical scheme, at the in-process that carries out rotary cutting to the tubular product, the driving piece drives the lifting seat to make the lifting seat drive the stock guide and move in vertical direction, thereby realize the stock guide to the real-time support of tubular product, and then increase the stability of stock guide, increase the range that the stock guide can go up and down in vertical direction simultaneously, so that the stock guide can carry out real-time support to the tubular product of more models, in order to increase the flexibility of pipe cutting machine and further guarantee the accuracy of tubular product cutting.

Optionally, the driving piece includes first driving piece and second driving piece, first driving piece is used for driving the stock guide is in vertical orientation removal, the second driving piece is used for driving the stock guide upset.

By adopting the technical scheme, in the process of rotary cutting of the pipe, the first driving piece drives the material guide plate so that the material guide plate moves in the vertical direction along with the rotation of the pipe, and then the real-time support of the material guide plate on the pipe is realized, and the cutting accuracy of the pipe cutting machine on the pipe is improved; when the cut pipe is guided, the second driving piece drives the material guide plate so as to enable the material guide plate to overturn, and then the material guide plate is inclined, so that the pipe on the material guide plate slides into the material frame along the inclined direction of the material guide plate.

Optionally, the stock guide is close to the one end of pipe cutting machine body articulates there is the waste material board, and drives waste material board pivoted power spare, so that the waste material board have with the coplanar supporting state of stock guide and with the stock guide is the guide state that the contained angle set up.

Through adopting above-mentioned technical scheme, after accomplishing last section tubular product cutting, the centre gripping to the heel (remaining tubular product) is released to the back chuck of pipe cutting machine body, and the heel falls the waste plate, then power spare drives the waste plate to make waste plate and stock guide take place relative rotation, so that waste plate and stock guide are the contained angle setting, that is to say, waste plate moves to the stock guide state from supporting state, so that the heel slides to the waste frame along the incline direction of waste plate in order to realize accomodating the classification of heel and required size tubular product, and then improved user's use experience.

Optionally, the pipe cutting machine body includes lathe bed, preceding chuck, back chuck and laser cutting head, the lathe bed have the unloading end and with the relative pay-off end of unloading end, preceding chuck with the laser cutting head is located the unloading end, the back chuck is located the pay-off end, one side of lathe bed is provided with feed mechanism, support lifting mechanism is used for being located tubular product on the feed mechanism lifts, so that tubular product with feed mechanism separation and with preceding chuck with back chuck is coaxial.

Through adopting above-mentioned technical scheme, when cutting the tubular product, the feed mechanism is placed to the staff, so that feed mechanism carries the direction that the tubular product orientation is close to the lathe bed, then make tubular product motion to support the below of hoist mechanism, thereby make support hoist mechanism lift tubular product to be in coaxial state with preceding chuck and back chuck, accomplish the material loading to tubular product then, only in-process only need the staff place the tubular product feed mechanism can, semi-automatic feeding has been realized, the staff has been simplified the material loading step to tubular product, thereby the work load of staff has been reduced, the cutting efficiency of pipe cutting machine to tubular product has been improved simultaneously.

Optionally, the supporting and lifting mechanism comprises a mounting seat, a lifting arm movably connected to the mounting seat and a pushing piece arranged on the mounting seat, wherein the pushing piece acts on the lifting arm so that the lifting arm can ascend or descend, the lifting arm is provided with a supporting end for supporting a pipe, and the supporting end is provided with a supporting roller.

Through adopting above-mentioned technical scheme, feed mechanism carries the tubular product to the top of lifting arm after, the impeller is to lifting arm drive, so that lifting arm rises, then make the backing roll conflict in the bottom of tubular product, the impeller continues to lift tubular product, until tubular product is coaxial with preceding chuck and back chuck, then back chuck moves towards the direction that is close to preceding chuck, so that back chuck conflict in the tip of tubular product and centre gripping are carried out to the tubular product, back chuck continues to move towards the direction that is close to preceding chuck, tubular product moves towards the direction that is close to preceding chuck under the effect of back chuck, the back chuck takes place relative roll simultaneously, in order to reduce the load of back chuck when tubular product is driven and is removed, in addition, the condition that one end that back chuck was kept away from to the tubular product droops under the effect of self gravity, so that back chuck was kept away from to tubular product one end passed preceding chuck, this in-process needs staff's manual interference, and then reduced staff's amount of labour, the cutting efficiency of pipe cutting machine to tubular product has been improved.

Optionally, the mount includes the mounting panel of locating the lathe bed and locates the crane of mounting panel, the lifting arm is located the crane, the impeller is including locating the first impeller of mounting panel and locating the second impeller of crane, first impeller acts on the crane, so that the crane can move in vertical direction, the second impeller acts on the lifting arm, so that the lifting arm can rise or descend.

Through adopting above-mentioned technical scheme, when lifting the tubular product, first impeller is driving the crane to make the crane drive the lifting arm and rise, after the crane risees to extreme position, the second impeller is driving the lifting arm, so that the lifting arm continues to rise, then make the lifting arm lift the tubular product, so that tubular product motion is to being in coaxial position with back chuck and front chuck, in order to increase the lifting arm and can rise or descend the scope, thereby make the lifting arm can lift the tubular product of model more, increase the flexibility of lifting arm. In addition, when the back chuck drives the tubular product to move towards the direction that is close to the front chuck, if lift arm and back chuck interfere each other, the second impeller drives the lift arm this moment to make lift arm descend, make lift arm and back chuck form to dodge from russian, so that the back chuck passes over the position that lift arm place smoothly, with the range of motion of increase back chuck, increase the range of motion of tubular product simultaneously, with the length of the remaining heel of reduction tubular product, reach the effect of saving material, reduce the manufacturing cost of tubular product.

Optionally, the support end is provided with a first centering roller, a second centering roller and an actuator acting on the first centering roller and the second centering roller, and the actuator drives the first centering roller and the second centering roller to move towards a direction approaching or separating from each other, so that the first centering roller and the second centering roller adjust the pipe.

Through adopting above-mentioned technical scheme, lifting arm rises so that the backing roll is contradicted behind the tubular product, the executive component is driven first centering roller and second centering roller, so that first centering roller and second centering roller are moved towards the direction that is close to each other, then make first centering roller and second centering roller adjust the tubular product, thereby the central axis of tubular product is in coplane state with the central axis of front chuck and back chuck, simultaneously first centering roller and second centering roller press from both sides tubular product tightly, then lifting arm continues to lift tubular product, and because first centering roller and second centering roller carry out the centre gripping to tubular product this moment, stability when having increased tubular product by continuing to back chuck is carried out the centre gripping and is convenient for tubular product passes front chuck, further avoid the condition that needs staff to interfere at the in-process of carrying out the centre gripping to tubular product, and then further improve the automation level of pipe cutting machine.

The application also discloses a pipe cutting method which is used for the pipe cutting machine and comprises the following steps:

s1, pipe feeding: placing the pipe on a feeding mechanism, and driving the pipe by the feeding mechanism so as to enable the pipe to move above a supporting lifting mechanism;

S2, lifting the pipe: the pushing piece drives the lifting arm so that the supporting roller is abutted against the pipe, the executing piece drives the first centering roller and the second centering roller, the first centering roller and the second centering roller clamp the pipe and adjust the pipe, and the lifting arm continues to lift the pipe until the pipe is coaxial with the front chuck and the rear chuck;

S3, rear chuck moving: the rear chuck moves towards the direction close to the front chuck so that the rear chuck is abutted against the pipe and clamps the pipe, the rear chuck continues to move towards the direction close to the front chuck, the supporting roller, the first centering roller and the second centering roller roll relatively with the pipe so that the pipe passes through the front chuck, and the pipe needs to be moved to the position right below the laser cutting head by the cutting position;

S4, working a front chuck and a blanking mechanism: the front chuck works and clamps the pipe, and the driving piece drives the material guide plate so that the material guide plate is abutted against the bottom of the pipe;

S5, working a laser cutting head: the laser cutting head starts to cut the pipe, the front chuck and the rear chuck drive the pipe to rotate, if the pipe to be cut is a square pipe, the lifting arm ascends or descends along with the rotation of the pipe under the action of the pushing piece, and the material guide plate ascends or descends along with the rotation of the pipe under the action of the driving piece;

S6, continuously moving the rear chuck: after the pipe is cut, the rear chuck continuously moves towards the direction close to the front chuck, so that the next position of the pipe to be cut moves to the position right below the laser cutting head, and if the lifting arm interferes with the rear chuck at the moment, the pushing piece drives the lifting arm to descend, so that the lifting arm and the rear chuck form avoidance;

S7, selecting a supporting mode: when the last section of pipe is cut, two processing modes exist according to the blanking length, when the pipe is short, the rear chuck penetrates through the front chuck, only the rear chuck clamps the pipe and completes cutting, and when the pipe is long, the front chuck moves towards the direction close to the rear chuck, so that the front chuck moves to one side of the laser cutting head close to the rear chuck, and the front chuck and the rear chuck clamp the pipe together and complete cutting;

s8, resetting and blanking the rear chuck: after a tubular product cutting is accomplished, the centre gripping to the heel is released to the back chuck, and the back chuck removes towards the direction of keeping away from preceding chuck, and the waste material board moves to the guide state under the effect of power spare simultaneously, and the heel falls to the waste material frame along the waste material board, then the upset of driving piece drive stock guide, tubular product along the landing of stock guide to the material frame.

By adopting the technical scheme, when the pipe cutting machine is used for cutting the pipe, the pipe is firstly placed into the feeding mechanism, and then the feeding mechanism drives the pipe so that the pipe moves to the position above the supporting and lifting mechanism; then the pushing piece drives the lifting arm, and then the lifting arm drives the supporting roller to lift so that the supporting roller is abutted against the bottom of the pipe, then the executing piece drives the first centering roller and the second centering roller so that the first centering roller and the second centering roller clamp the pipe and adjust the pipe, so that the central axis of the pipe is coplanar with the central axes of the front chuck and the rear chuck, and then the lifting arm continues to lift the pipe until the pipe is coaxial with the front chuck and the rear chuck; the rear chuck moves towards the direction close to the front chuck so that the rear chuck is abutted against the pipe and clamps the pipe, the rear chuck continues to move towards the direction of the front chuck, meanwhile, the support roller, the first centering roller and the second centering roller roll relatively with the pipe to reduce the load of the rear chuck, meanwhile, the stability of the pipe is increased so that the pipe is kept in a horizontal state, and finally, one end of the pipe far from the rear chuck passes through the front chuck and the position required to be cut is located under the laser cutting head; then the front chuck clamps the pipe, and the driving piece drives the material guide plate so that the material guide plate is abutted against the bottom of the pipe and supports the pipe; then the laser cutting head is started and cuts the pipe, the front chuck and the rear chuck drive the pipe to rotate in the cutting process, the lifting arm ascends or descends along with the rotation of the pipe under the action of the pushing piece, and the material guide plate ascends or descends along with the rotation of the pipe under the action of the driving piece, so that the supporting roller and the material guide plate support the pipe in real time, the pipe is prevented from swinging in the rotating process, the stability of the pipe when the pipe is cut is improved, and the cutting effect of the pipe cutting machine on the pipe is further improved; after the primary cutting is finished, the rear chuck continues to move towards the front chuck, so that the next position of the pipe to be cut moves to the position right below the laser cutting head, if the rear chuck interferes with the rear chuck in the process of moving towards the position close to the front chuck, the pushing piece drives the lifting arm to descend so as to avoid the stroke of the lifting arm and the rear chuck, the movement of the rear chuck is increased, the length of a tail is reduced, and the waste of the pipe is avoided; when the last section of pipe is cut, two processing modes exist according to the blanking length, when the pipe is short, the rear chuck passes through the front chuck, only the rear chuck clamps the pipe and completes the cutting action at the moment so as to ensure that shorter tails remain, and when the pipe is long, the front chuck moves towards the direction close to the rear chuck so as to enable the front chuck to move to one side of the laser cutting machine close to the rear chuck, and at the moment, the front chuck and the rear chuck clamp the pipe together and complete the cutting action, and the shorter tails remain; after cutting of a pipe is completed, the rear chuck releases the clamping of the pipe, that is, the rear chuck releases the clamping of the tail material, the rear chuck moves towards the direction close to the front chuck, meanwhile, the waste plate moves to a material guiding state under the action of the power piece, the tail material falls to a waste frame along the waste plate, then the driving piece drives the material guiding plate to overturn, and the pipe with the required size slides to the material frame along the material guiding plate, so that cutting of the pipe is completed. In the process of cutting the pipe, the guide plate and the support roller support the pipe in real time, so that the stability of the pipe is improved, the swinging of the pipe is avoided, and the cutting accuracy of the pipe is improved.

By adopting the technical scheme, the application has the following beneficial effects:

1. The pipe cutting machine comprises a pipe cutting machine body and a discharging mechanism, wherein the pipe cutting machine body is provided with a discharging end, the discharging mechanism is arranged at the discharging end, the discharging mechanism comprises a base, a guide plate and a driving piece, the guide plate and the driving piece are arranged on the base, the driving piece is used for driving the guide plate to move in the vertical direction and driving the guide plate to turn over, so that the guide plate can support a pipe in real time and enable the cut pipe to slide along the guide plate, the condition that the pipe is swung in the rotating process is avoided, the condition that the pipe cutting precision of the pipe cutting machine is affected due to the pipe swinging is avoided, the cutting precision of the pipe cutting machine is further improved, the cut pipe is collected, the next finishing work of the cut pipe is conveniently carried out by workers, and the use experience of the workers is improved.

2. The base is provided with the movable seat, the movable seat is in sliding connection with the base, so that the movable seat can drive the material guide plate to move towards the direction close to or far away from the pipe cutting machine body, and then the supporting position of the material guide plate on the pipe is adjustable, so that the supporting position of the material guide plate on the pipe is as close to the center position of the part to be cut as possible, the supporting effect on the pipe to be cut is improved, the situation that the part to be cut of the pipe is swung in the process of rotary cutting of the pipe is further avoided, and the cutting accuracy of the pipe is further improved.

3. The lifting seat is arranged on the movable seat, the material guide plate is arranged on the lifting seat, and the lifting seat is in sliding connection with the base, so that the lifting seat can drive the material guide plate to move in the vertical direction, thereby realizing real-time support of the material guide plate on the pipe, further increasing the stability of the material guide plate, and simultaneously increasing the lifting range of the material guide plate in the vertical direction, so that the material guide plate can support more types of pipes in real time, and the flexibility of the pipe cutting machine is increased, so that the cutting accuracy of the pipe is further ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

Fig. 1 is a schematic structural view of a pipe cutter according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of the blanking mechanism according to an embodiment of the present application;

FIG. 3 is a schematic view of a supporting and lifting mechanism according to an embodiment of the present application;

FIG. 4 is a schematic view of the structure of the bed according to an embodiment of the present application;

FIG. 5 is an enlarged view of the portion A of FIG. 4;

FIG. 6 is a schematic view of the rear chuck according to an embodiment of the present application;

FIG. 7 is a schematic view of the front chuck according to an embodiment of the present application;

FIG. 8 is a schematic view of a laser cutting head according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a feeding mechanism according to an embodiment of the present application.

Reference numerals:

1. A pipe cutting machine body; 11. a bed body; 111. an auxiliary guide plate; 112. a third slider; 113. a balancing cylinder; 114. a bed body; 115. a first guide rail; 116. a second guide rail; 117. a third guide rail; 118. a rack; 12. a front chuck; 121. a front sliding seat; 122. a front chuck body; 123. a fourth servo motor; 124. a second gear; 125. a second mating block; 126. a second adjustment block; 127. a third servo motor; 13. a rear chuck; 131. a rear sliding seat; 132. a rear chuck body; 133. a first servo motor; 134. a second servo motor; 136. a first mating block; 137. a first adjustment block; 14. a laser cutting head; 141. a bracket; 142. a laser cutting head body;

2. A blanking mechanism; 21. a base; 211. a movable seat; 212. a first slide rail; 213. a push-pull member; 214. a lifting seat; 215. a first slider; 216. a second slide rail; 217. a second slider; 22. a material guide plate; 221. a waste plate; 222. a power member; 23. a driving member; 231. a first driving member; 232. a second driving member;

3. A feeding mechanism; 31. a feeding frame; 32. a grid chain; 33. a motor;

4. Supporting a lifting mechanism; 41. a mounting base; 411. a mounting plate; 412. a lifting frame; 413. a third slide rail; 42. a lifting arm; 421. a support roller; 422. a first centering roller; 423. a second centering roller; 424. an actuator; 43. a pushing member; 431. a first pusher; 432. and a second pushing member.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below. It should be noted that, without conflict, embodiments of the present application and features in each embodiment may be combined with each other.

In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 9, a pipe cutting machine includes a pipe cutting machine body 1 and a blanking mechanism 2, the pipe cutting machine body 1 has a blanking end, the blanking mechanism 2 is arranged at the blanking end, the blanking mechanism 2 includes a base 21, a guide plate 22 arranged on the base 21 and a driving member 23, the driving member 23 is used for driving the guide plate 22 to move in a vertical direction and driving the guide plate 22 to turn over, so that the guide plate 22 can support a pipe in real time and the cut pipe can slide down along the guide plate 22, and a supporting lifting mechanism 4 for lifting the pipe is arranged on one side of the pipe cutting machine body 1.

When cutting pipe materials, firstly, the pipe materials are placed into the pipe cutting machine body 1, meanwhile, the position of the pipe materials to be cut is located below the laser cutting head 14 of the pipe cutting machine body 1, the part of the pipe materials to be cut is located at the blanking end, the driving piece 23 drives the material guiding plate 22, so that the material guiding plate 22 ascends and abuts against the pipe materials, then the laser cutting head 14 cuts the pipe materials, the front chuck 12 and the rear chuck 13 of the pipe cutting machine body 1 drive the pipe materials to rotate in the cutting process, if the pipe materials to be cut are square pipes, the material guiding plate 22 ascends and descends along with the rotation of the pipe materials under the action of the driving piece 23, if the pipe materials to be cut are round pipes, the material guiding plate 22 is kept relatively static, so that the material guiding plate 22 supports the pipe materials in real time, the condition that the pipe materials are thrown in the rotating process is avoided, the condition that the pipe cutting accuracy is affected by the pipe materials throwing is avoided, and the cutting accuracy of the pipe cutting machine is further increased.

Meanwhile, in the process of cutting the pipe, the supporting lifting mechanism 4 is used for supporting the pipe in an auxiliary mode, the pipe is further prevented from swinging in the rotating process, and the cutting precision of the pipe cutting machine is further improved.

After the pipe is cut, the driving piece 23 drives the material guide plate 22 to turn over, so that the material guide plate 22 is inclined, and the cut pipe slides into the material frame along the inclined direction of the material guide plate 22, so that the cut pipe is collected, a worker can carry out next finishing work on the cut pipe, and the use experience of the worker is improved.

In a preferred embodiment, referring to fig. 2, a moving seat 211 is disposed on the base 21, the guide plate 22 is disposed on the moving seat 211, and the moving seat 211 is slidably connected with the base 21, so that the moving seat 211 can drive the guide plate 22 to move toward a direction approaching or separating from the pipe cutting machine body 1.

Remove seat 211 and base 21 sliding connection for remove seat 211 can drive stock guide 22 and be being close to or keep away from the direction removal of pipe cutting machine body 1, make then that stock guide 22 is adjustable to the supporting position of tubular product, thereby make stock guide 22 be close to the central point that needs to be cut off the part as far as possible to the supporting position of tubular product, with increase to the supporting effect that needs to be cut off the tubular product, further avoid the condition that the tubular product need be cut off the part of cutting in the rotatory cutting of tubular product, and then improve the cutting accuracy to the tubular product.

In a preferred embodiment, referring to fig. 2, a first sliding rail 212 is disposed at the top of the base 21, the length direction of the first sliding rail 212 is parallel to the direction of approaching or separating from the pipe cutting machine body 1, a first sliding block 215 is slidably connected to the first sliding rail 212, and the first sliding block 215 is fixedly connected to the bottom of the moving seat 211, so that the moving seat 211 drives the first sliding block 215 to move, and the first sliding block 215 and the first sliding rail 212 slide relatively, so that the sliding fit of the first sliding block 215 and the first sliding rail 212 guides the movement of the moving seat 211, thereby increasing the stability of the moving seat 211 during sliding and ensuring the cutting accuracy of the pipe cutting machine.

In a preferred embodiment, referring to fig. 2, the base 21 is provided with a push-pull member 213, the push-pull member 213 acts on the moving seat 211, so that the moving seat 211 automatically moves towards a direction close to or far away from the pipe cutting machine body 1 under the action of the push-pull member 213, thereby realizing automatic adjustment of the moving member, reducing the labor capacity of workers, and improving the supporting effect of the guide plate 22 on the pipe, so as to further improve the cutting accuracy of the pipe cutting machine.

The structure of the push-pull member 213 is not particularly limited in the present application, and preferably, referring to fig. 2, the push-pull member 213 is a cylinder, an axial direction of the cylinder is parallel to a moving direction of the moving seat 211, a cylinder body of the cylinder is connected to the base 21, and a piston rod of the cylinder is connected to the moving seat 211, so that the moving seat 211 moves along with movement of the piston rod when the cylinder works, so as to realize automatic movement of the moving seat 211. In other embodiments, the push-pull member 213 may also be a drive structure with a gear and rack 118 or a hydraulic cylinder, an electric push rod, or the like.

In a preferred embodiment, referring to fig. 2, the moving base 211 is provided with a lifting base 214, the material guiding plate 22 is disposed on the lifting base 214, and the lifting base 214 is slidably connected to the base 21, so that the lifting base 214 can drive the material guiding plate 22 to move in a vertical direction.

In the process of carrying out rotary cutting on the pipe, the driving piece 23 drives the lifting seat 214, so that the lifting seat 214 drives the guide plate 22 to move in the vertical direction, thereby realizing real-time support of the guide plate 22 on the pipe, further increasing the stability of the guide plate 22, and simultaneously increasing the lifting range of the guide plate 22 in the vertical direction, so that the guide plate 22 can support pipes of more types in real time, thereby increasing the flexibility of the pipe cutting machine and further ensuring the cutting accuracy of the pipe.

Further, referring to fig. 2, a second sliding rail 216 is disposed on the moving seat 211, the second sliding rail 216 is disposed parallel to the vertical direction, a second sliding block 217 is disposed on the lifting seat 214, and the second sliding block 217 is connected to the second sliding rail 216, so that when the lifting seat 214 moves in the vertical direction, the lifting seat 214 drives the second sliding block 217 to move, and the second sliding block 217 and the second sliding rail 216 slide relatively, so that the sliding fit of the second sliding block 217 and the second sliding rail 216 guides the movement of the lifting seat 214, thereby increasing the stability of the lifting seat 214 and further increasing the stability of the guide plate 22 when supporting the pipe.

The present application is not particularly limited in the structure of the driving member 23, and any of the following embodiments may be adopted:

In the first embodiment, the driving member 23 includes at least two sets of lifting cylinder sets oppositely, the piston rod of each set of lifting cylinder sets is hinged to the guide plate 22, the cylinder body of each set of lifting cylinder sets is fixedly connected to the moving seat 211, when the guide plate 22 ascends or descends, the plurality of sets of lifting cylinder sets work simultaneously to enable the guide plate 22 to ascend horizontally, and when the guide plate 22 overturns, one set of lifting cylinder sets are common to enable the guide plate 22 to rotate around the piston rod of the other set of lifting cylinder sets, so that the guide plate 22 overturns.

The application is not particularly limited to the structure of the lifting cylinder groups, and preferably, each lifting cylinder group comprises a plurality of cylinders so as to increase the stability of the material guiding plate 22 during driving and reduce the production cost of the pipe cutting machine. In other embodiments, the lift cylinder group may also include a plurality of hydraulic cylinders or electric pushrods.

In the second embodiment, referring to fig. 2, the driving member 23 includes a first driving member 231 and a second driving member 232, the first driving member 231 is used for driving the guide plate 22 to move in the vertical direction, and the second driving member 232 is used for driving the guide plate 22 to turn over.

In the process of rotary cutting of the pipe, the first driving piece 231 drives the material guide plate 22 so that the material guide plate 22 moves in the vertical direction along with the rotation of the pipe, and then the real-time support of the material guide plate 22 on the pipe is realized, and the cutting accuracy of the pipe cutting machine on the pipe is improved; when the cut pipe is guided, the second driving piece 232 drives the material guiding plate 22 so as to enable the material guiding plate 22 to overturn, and then the material guiding plate 22 is inclined, so that the pipe on the material guiding plate 22 slides into the material frame along the inclined direction of the material guiding plate 22, and the first driving piece 231 and the second driving piece 232 are respectively used for driving the material guiding plate 22 to lift and overturn, so that the control program of the driving piece 23 is simplified, the control cost of the pipe cutting machine is reduced, the stability of the pipe cutting machine in working is improved, the normal working of the pipe cutting machine is ensured, and the use experience of a user is improved.

In the present application, the structure of the first driving member 231 is not specifically limited, and preferably, referring to fig. 2, the first driving member 231 includes a servo motor and a ball screw, wherein the servo motor is fixedly connected to the lifting seat 214, the ball screw is parallel to the moving direction of the lifting seat 214, the ball screw is rotatably connected to the lifting seat 214, a sliding block of the ball screw is fixedly connected to the moving seat 211, an output shaft of the servo motor is in driving connection with the ball screw of the ball screw through a synchronous belt and a synchronous wheel, and then the output shaft of the servo motor drives the ball screw to rotate through the synchronous belt and the synchronous wheel, and the screw and the sliding block relatively rotate, so that the screw moves along the axial direction of the screw while rotating around the axial direction of the screw, and the screw drives the lifting seat 214 to rise or fall in order to realize the rising or falling of the guide plate 22 in the vertical direction.

In other embodiments, the first driver 231 may also include a pneumatic cylinder, a hydraulic cylinder, an electric pushrod, and the like.

The structure of the second driving member 232 is not particularly limited in the present application, preferably, referring to fig. 2, the second driving member 232 includes an air cylinder, a cylinder body of the air cylinder is hinged to the lifting seat 214, a piston rod of the air cylinder is hinged to the material guiding plate 22, meanwhile, a bottom of the material guiding plate 22 is hinged to a top of the lifting seat 214, and a hinge position of the material guiding plate 22 and the lifting seat 214, a hinge position of the air cylinder and the lifting seat 214, and a hinge position of the air cylinder and the material guiding plate 22 form a triangle together, so that when the piston rod of the air cylinder moves, the material guiding plate 22 can be turned over, so that a pipe on the material guiding plate 22 slides to a material frame along an inclined direction of the material guiding plate 22.

In other embodiments, the second drive 232 may also include a motor and transmission, hydraulic cylinders, electric pushers, and the like.

In a preferred embodiment, referring to fig. 2, the end of the stock guide 22 near the pipe cutter body 1 is hinged with a stock guide 221, and a power member 222 for driving the stock guide 221 to rotate, so that the stock guide 221 has a supporting state coplanar with the stock guide 22 and a guiding state disposed at an angle with the stock guide 22.

After the last section of pipe is cut, the rear chuck 13 of the pipe cutting machine body 1 releases the clamping of the tailings (residual pipe), the tailings fall to the waste plate 221, and then the power piece 222 drives the waste plate 221 so that the waste plate 221 and the material guiding plate 22 rotate relatively, the waste plate 221 and the material guiding plate 22 are arranged at an included angle, that is, the waste plate 221 moves from a supporting state to a material guiding state, so that the tailings slide into the waste frame along the inclined direction of the waste plate 221, the classification storage of the tailings and the pipe with the required size is realized, and the use experience of a user is improved.

The structure of the power member 222 is not particularly limited in the present application, and preferably, referring to fig. 2, the power member 222 is a cylinder, the cylinder body of the cylinder is hinged to the material guiding plate 22, and the piston rod of the cylinder is hinged to the material guiding plate 221, so that the piston rod seat of the cylinder drives the material guiding plate 22 to rotate relatively when in telescopic motion, and the material guiding plate 221 is switched between a supporting state and a material guiding state. In other embodiments, the power member 222 may also be a motor, and the output shaft of the motor is drivingly connected to the hinge shaft of the waste plate 221.

In a preferred embodiment, referring to fig. 1, the pipe cutting machine body 1 includes a machine body 11, a front chuck 12, a rear chuck 13, and a laser cutting head 14, the machine body 11 has a blanking end and a feeding end opposite to the blanking end, the front chuck 12 and the laser cutting head 14 are disposed at the blanking end, the rear chuck 13 is disposed at the feeding end, a feeding mechanism 3 is disposed at one side of the machine body 11, and a supporting lifting mechanism 4 is used for lifting a pipe located on the feeding mechanism 3 so as to separate the pipe from the feeding mechanism 3 and be coaxial with the front chuck 12 and the rear chuck 13.

Specifically, the blanking end is arranged at one end of the lathe bed 11, the other end of the lathe bed 11 is provided with a feeding end, and the supporting lifting mechanism 4 is arranged between the feeding mechanism 3 and the lathe bed 11.

When cutting the tubular product, the feed mechanism 3 is placed to the staff to make feed mechanism 3 carry the direction that is close to lathe bed 11 to the tubular product orientation, then make tubular product motion to support the below of hoist mechanism 4, thereby make support hoist mechanism 4 lift the tubular product to be in coaxial state with preceding chuck 12 and back chuck 13, accomplish the material loading to the tubular product then, only in-process only need the staff place the tubular product feed mechanism 3 can, semi-automatic feeding has been realized, the staff has been simplified the material loading step to the tubular product, thereby reduced staff's work load, the cutting efficiency of tubular cutting machine to the tubular product has been improved simultaneously.

Meanwhile, the feeding mechanism 3 and the supporting lifting mechanism 4 are arranged on one side of the lathe bed 11, so that the side space of the lathe bed 11 can be reasonably utilized, the effect of conveniently installing the feeding mechanism 3 and the supporting lifting mechanism 4 is achieved, and the assembly efficiency of the pipe cutting machine is improved.

According to the pipe cutting machine, the number of the supporting and lifting mechanisms 4 is not particularly limited, preferably, with reference to fig. 1, the supporting and lifting mechanisms 4 are provided with a plurality of groups, and the groups of supporting and lifting mechanisms 4 are sequentially arranged at intervals along the length direction of the machine body 11, so that the supporting and lifting effects on the pipe are improved, the condition that the pipe is thrown when the pipe is subjected to rotary cutting is further avoided, and the cutting accuracy of the pipe cutting machine on the pipe is further improved. In other embodiments, only one set of supporting and lifting mechanisms 4 may be provided, so as to reduce the production cost of the pipe cutting machine.

In a preferred embodiment, referring to fig. 3, the support lifting mechanism 4 includes a mounting base 41, a lifting arm 42 movably connected to the mounting base 41, and a pushing member 43 provided to the mounting base 41, the pushing member 43 acting on the lifting arm 42 to enable the lifting arm 42 to be lifted or lowered, the lifting arm 42 having a support end for supporting a pipe, the support end being provided with a support roller 421.

After the feeding mechanism 3 conveys the pipe to the upper side of the lifting arm 42, the pushing piece 43 drives the lifting arm 42 to enable the lifting arm 42 to lift, then the supporting roller 421 is enabled to prop against the bottom of the pipe, the pushing piece 43 continues to lift the pipe until the pipe is coaxial with the front chuck 12 and the rear chuck 13, then the rear chuck 13 moves towards the direction close to the front chuck 12 to enable the rear chuck 13 to prop against the end of the pipe and clamp the pipe, the rear chuck 13 continues to move towards the direction close to the front chuck 12, the pipe moves towards the direction close to the front chuck 12 under the action of the rear chuck 13, meanwhile, the supporting roller 421 and the pipe roll relatively, so that the load when the rear chuck 13 drives the pipe to move is reduced, in addition, the condition that one end of the pipe away from the rear chuck 13 sags under the action of gravity is avoided, so that one end of the rear pipe away from the rear chuck 13 passes through the front chuck 12, manual interference of workers is needed in the process, the labor amount of workers is reduced, and the cutting efficiency of the pipe cutting machine on the pipe is improved.

In the present application, the structure of the mounting seat 41 is not particularly limited, and preferably, referring to fig. 3, the mounting seat 41 includes a mounting plate 411 provided on the bed 11 and a lifting frame 412 provided on the mounting plate 411, the lifting arm 42 is provided on the lifting frame 412, the pushing member 43 includes a first pushing member 431 provided on the mounting plate 411 and a second pushing member 432 provided on the lifting frame 412, the first pushing member 431 acts on the lifting frame 412 to enable the lifting frame 412 to move in a vertical direction, and the second pushing member 432 acts on the lifting arm 42 to enable the lifting arm 42 to lift or descend.

When lifting the pipe, the first pushing member 431 drives the lifting frame 412, so that the lifting frame 412 drives the lifting arm 42 to lift, and after the lifting frame 412 lifts to the limit position, the second pushing member 432 drives the lifting arm 42, so that the lifting arm 42 continues to lift, and then the lifting arm 42 lifts the pipe, so that the pipe moves to a position coaxial with the rear chuck 13 and the front chuck 12, so that the lifting arm 42 can lift or lower the pipe with a larger lifting range, and the flexibility of the lifting arm 42 is improved. In addition, when the rear chuck 13 drives the pipe to move towards the direction close to the front chuck 12, if the lifting arm 42 and the rear chuck 13 interfere with each other, the second pushing member 432 drives the lifting arm 42 at this time so as to enable the lifting arm 42 to descend, so that the lifting arm 42 and the rear chuck 13 form avoidance, the rear chuck 13 smoothly passes over the position where the lifting arm 42 is located, the movement range of the rear chuck 13 is increased, and meanwhile, the movement range of the pipe is increased, so that the length of the residual tail of the pipe is reduced, the effect of saving materials is achieved, and the production cost of the pipe is reduced.

The connection relationship between the lifting arm 42 and the lifting frame 412 is not particularly limited, and preferably, referring to fig. 3, the lifting arm 42 has a connection end opposite to a supporting end, and the connection end is hinged to the lifting frame 412 so that the supporting end can rotate around the connection end under the action of the second pushing member 432 to realize lifting or lowering of the supporting end. In other embodiments, the lifting arm 42 may also be slidably coupled to the lifting frame 412 in a vertical direction.

The structure of the first pusher 431 is not particularly limited in the present application, referring to fig. 3, the first pusher 431 includes a servo motor provided on the mounting plate 411, a gear provided on an output shaft of the servo motor, and a rack 118 provided on the lifting frame 412 in a vertical direction, the gear being engaged with the rack 118 to be in driving connection,

Preferably, the plurality of groups of first pushing members 431 share a servo motor, and adjacent gears are connected through a transmission shaft and a coupling, so that the production cost of the pipe cutting machine is reduced.

The structure of the second pushing member 432 is not particularly limited in the present application, and preferably, referring to fig. 3, the second pushing member 432 is an air cylinder to increase stability of the lifting arm 42 when it is lifted or lowered, and reduce production cost of the pipe cutting machine body 1. In other embodiments, the second pushing member 432 may also be a servo motor, and an output shaft of the servo motor is coaxially connected to the rotation axis of the lifting arm 42.

Preferably, referring to fig. 3, an auxiliary guide plate 111 is fixedly connected to a side portion of the bed 11, a third sliding block 112 is provided on the auxiliary guide plate 111, and a third sliding rail 413 is fixedly connected to the lifting frame 412 corresponding to the third sliding block 112, so that when the lifting frame 412 moves in the vertical direction, the lifting frame 412 drives the third sliding rail 413 to move, and the third sliding rail 413 and the third sliding block 112 slide relatively, so that the lifting frame 412 is guided by sliding fit of the third sliding rail 413 and the third sliding block 112, and stability of the lifting frame 412 is increased.

Preferably, referring to fig. 3, the bed 11 is provided with a balancing cylinder 113, a piston rod of the balancing cylinder 113 acts on the lifting frame 412, so that the balancing cylinder 113 assists the lifting frame 412 to lift, the load of the first pushing member 431 when the lifting frame 412 is driven upwards is reduced, the service life of the first pushing member 431 is prolonged, and the failure rate of the pipe cutting machine is reduced.

In other embodiments, the design of the lifting frame 412 may be omitted, and the guide plate 22 is directly mounted on the moving seat 211 through the first pushing member 431 and the second pushing member 432, so as to reduce the production cost of the pipe cutting machine.

Further, referring to fig. 3, the support end is provided with a first centering roller 422, a second centering roller 423, and an actuator 424 acting on the first centering roller 422 and the second centering roller 423, the actuator 424 driving the first centering roller 422 and the second centering roller 423 to move toward or away from each other to adjust the pipe by the first centering roller 422 and the second centering roller 423.

After the lifting arm 42 is lifted to enable the supporting roller 421 to abut against the pipe, the executing piece 424 drives the first centering roller 422 and the second centering roller 423 to enable the first centering roller 422 and the second centering roller 423 to move towards directions close to each other, then the first centering roller 422 and the second centering roller 423 are enabled to adjust the pipe, and accordingly the central axis of the pipe is in a coplanar state with the central axes of the front chuck 12 and the rear chuck 13, meanwhile the first centering roller 422 and the second centering roller 423 clamp the pipe, then the lifting arm 42 continues to lift the pipe, and at the moment, the first centering roller 422 and the second centering roller 423 clamp the pipe, so that stability of the pipe when the pipe is continuously lifted is improved, the rear chuck 13 clamps the pipe and the pipe conveniently penetrates the front chuck 12, interference of workers in the process of clamping the pipe is further avoided, and the automation level of the pipe cutting machine is further improved.

In the present application, the structure of the executing member 424 is not specifically limited, and preferably, referring to fig. 3, the executing member 424 is a double-head cylinder, and the first centering roller 422 and the second centering roller 423 are respectively and fixedly connected to the end portions of piston rods located at two ends of the double-head cylinder, so that the piston rods of the double-head cylinder move to drive the first centering roller 422 and the second centering roller 423 to move towards a direction approaching or separating from each other, so that the first centering roller 422 and the second centering roller 423 regulate and clamp the pipe, so that the pipe is in a coaxial state with the front chuck 12 and the rear chuck 13, stability of the pipe when the pipe is rotationally cut is further increased, a pipe swinging condition is further avoided, and cutting accuracy of the pipe is further increased. In other embodiments, the executing member 424 may be two cylinders, the piston rods of the two cylinders are arranged away from each other, the first centering roller 422 and the second centering roller 423 are respectively and fixedly connected to the piston rods of the two cylinders, or the executing member 424 is a motor and transmission structure, and the first centering roller 422 and the second centering roller 423 are connected to the transmission structure.

In other embodiments, the pipe cutting machine body 1 may omit the feeding mechanism 3 and the supporting lifting mechanism 4.

The structure of the machine tool 11 is not particularly limited in the present application, and preferably, referring to fig. 4 and 5, the machine tool 11 includes a machine tool body 114, a first guide rail 115 provided on the machine tool body 114, a second guide rail 116 provided on the machine tool body 114, and a third guide rail 117 provided on the machine tool body 114, wherein the first guide rail 115, the second guide rail 116, and the third guide rail 117 are sequentially arranged in parallel at intervals, and the rear chuck 13 is slidably connected to the first guide rail 115 and the second guide rail 116, so that the first guide rail 115 and the second guide rail 116 guide the sliding of the rear chuck 13, so as to increase the stability of the rear chuck 13 during sliding, and the front chuck 12 is slidably connected to the second guide rail 116 and the third guide rail 117 so as to guide the sliding of the front chuck 12, so as to increase the stability of the front chuck 12 during sliding.

That is, the front chuck 12 and the rear chuck 13 share the second guide rail 116 on the side close to each other, and the top view projection of the rear chuck 13 is located outside the lathe bed 11, so that the rear chuck 13 is coaxial with the front chuck 12, to reduce the production cost of the pipe cutting machine, and meanwhile, the first guide rail 115 and the third guide rail 117 are arranged, so that the supporting lifting mechanism 4, the feeding mechanism 3 and the lathe bed 114 form mutual avoidance, and normal work of the supporting lifting mechanism 4 is ensured, and normal running of semiautomatic feeding is ensured.

In a preferred embodiment, referring to fig. 4 and 5, the bed 114 is provided with racks 118, and the racks 118 are provided at least two and between the first rail 115 and the second rail 116 and between the second rail 116 and the third rail 117, respectively, so that the racks 118 cooperate with the driving structures on the front chuck 12 and the rear chuck 13 to achieve automatic movement of the front chuck 12 and the rear chuck 13.

In other embodiments, the design of the third rail 117 may be eliminated such that the front and rear chucks 12, 13 share the first and second rails 115, 116 to reduce the cost of manufacturing the pipe cutter.

The structure of the rear chuck 13 is not particularly limited in the present application, and preferably, referring to fig. 6, the rear chuck 13 includes a rear sliding seat 131 and a rear chuck body 132 provided on the rear sliding seat 131, and the rear sliding seat 131 is slidably connected to the machine body 11, so that the rear sliding seat 131 drives the rear chuck body 132 to move along the length direction of the machine body 11.

Further, referring to fig. 6, the rear chuck body 132 is provided with a first servo motor 133, and the first servo motor 133 is in transmission connection with the rear chuck body 132 to drive the rear chuck body 132 to rotate around its central axis, thereby driving the pipe to rotate. The rear sliding seat 131 is provided with a second servo motor 134, an output shaft of the second servo motor 134 is coaxially and fixedly connected with a first gear, and the second gear 124 is in meshed transmission connection with a rack 118 positioned between the first track and the second track, so that the rear sliding seat 131 is driven, and the rear chuck 13 can move along the first guide rail 115 and the second guide rail 116.

Still further, referring to fig. 6, the bottom of the rear sliding seat 131 is provided with a first engagement block 136 slidably engaged with the first guide rail 115 and the second guide rail 116 to increase the connection stability of the rear sliding seat 131 with the bed 11.

Preferably, referring to fig. 6, the rear sliding seat 131 is provided with first adjusting blocks 137 located at two sides of the rear chuck body 132, a first adjusting rod is screwed on the first adjusting blocks 137, one end of the first adjusting rod abuts against the rear chuck body 132 to adjust the rear chuck body 132, and then a worker is facilitated to adjust the rear chuck body 132 and the front chuck 12 to be in a coaxial state.

Preferably, the rear sliding seat 131 is provided with first ejector blocks positioned on two sides of the second servo motor 134, the first ejector blocks are connected with first screws in a threaded manner, one ends of the first screws are abutted against the second servo motor 134 to adjust the second servo motor 134, and then the tooth gaps between the first gears and the racks 118 are adjustable, so that higher meshing precision is guaranteed, transmission noise is reduced, and the use experience of customers is improved.

The structure of the front chuck 12 is not particularly limited in the present application, and preferably, referring to fig. 7, the front chuck 12 includes a front sliding seat 121 and a front chuck body 122 disposed on the front sliding seat 121, and the front sliding seat 121 is slidably connected with the machine body 11, so that the front sliding seat 121 can drive the front chuck body 122 to move along the length direction of the machine body 11, so that the front chuck body 122 can move to a side of the laser cutting head 14 facing or facing away from the rear chuck 13.

Further, referring to fig. 7, the front chuck body 122 is provided with a third servo motor 127, and the third servo motor 127 is in transmission connection with the front chuck body 122 to drive the front chuck body 122 to rotate around its central axis, thereby driving the pipe to rotate. The front sliding seat 121 is provided with a fourth servo motor 123, an output shaft of the fourth servo motor 123 is coaxially and fixedly connected with a second gear 124, and the second gear 124 is in meshed transmission connection with a rack 118 positioned between the second track and the third track, so that driving of the front sliding seat 121 is achieved, and the front chuck 12 can move along the second guide rail 116 and the third guide rail 117.

Still further, referring to fig. 7, the bottom of the front sliding seat 121 is provided with a second coupling block 125 slidably coupled with the second guide rail 116 and the third guide rail 117 to increase the coupling stability of the rear sliding seat 131 with the bed 11.

Preferably, referring to fig. 7, the front sliding seat 121 is provided with second adjusting blocks 126 located at two sides of the front chuck body 122, a second adjusting rod is screwed on the second adjusting blocks 126, one end of the second adjusting rod abuts against the front chuck body 122 to adjust the front chuck body 122, and then a worker is facilitated to adjust the front chuck body 122 and the rear chuck 13 to be in a coaxial state.

Preferably, the front sliding seat 121 is provided with second ejector blocks positioned on two sides of the fourth servo motor 123, the second ejector blocks are connected with second screws in a threaded manner, one ends of the second screws are abutted against the fourth servo motor 123 to adjust the fourth servo motor 123, and then tooth gaps between the second gear 124 and the rack 118 are adjustable, so that higher meshing precision is guaranteed, transmission noise is reduced, and use experience of customers is improved.

The structure of the laser cutting head 14 is not particularly limited in the present application, and preferably, referring to fig. 8, the laser cutting head 14 includes a support 141 provided on the bed 11 and a laser cutting head body 142 provided on the support 141, and the laser cutting head body 142 can move relative to the support 141 in a vertical direction and perpendicular to the length of the bed 11, so as to increase flexibility of the laser cutting head body 142.

The feeding mechanism 3 is not particularly limited in the application, and preferably, referring to fig. 9, the feeding mechanism 3 comprises a feeding frame 31, a grid chain 32 arranged at the top of the feeding frame 31 and a motor 33 arranged at the top of the feeding frame 31 and driving the grid chain 32 to move, chain wheels meshed with the grid chain 32 are arranged at two ends of the top of the feeding frame 31, an output shaft coaxial transmission structure of the motor 33, such as a belt transmission structure, is in transmission connection with one of the chain wheels, when a pipe is fed, the pipe is firstly placed on the grid chain 32, then the motor 33 is started, and the motor 33 drives the grid chain 32 to drive the pipe to move, so that the pipe moves above the supporting lifting mechanism 4.

The number of the feeding mechanisms 3 is not particularly limited, and preferably, the feeding mechanisms 3 are provided in a plurality, and the feeding mechanisms 3 share one motor 33 through a transmission shaft and a coupling, so that the production cost of the pipe cutting machine is reduced. In other embodiments, the feeding mechanism 3 may be further provided with one, and both sides of the feeding mechanism 3 are provided with supporting frames, so that the supporting frames support the pipe, and the grid chain 32 drives the pipe to move.

S1, pipe feeding: and placing the pipe on the feeding mechanism 3, and driving the pipe by the feeding mechanism 3 so that the pipe moves to the position above the supporting lifting mechanism 4 under the driving action of the feeding mechanism 3.

S2, lifting the pipe: the pushing member 43 drives the lifting arm 42 to enable the supporting roller 421 to abut against the pipe, the executing member 424 drives the first centering roller 422 and the second centering roller 423, the first centering roller 422 and the second centering roller 423 clamp the pipe and adjust the pipe, then the central axis of the pipe is in the same vertical plane with the central axes of the front chuck 12 and the rear chuck 13, and the lifting arm 42 continues to lift the pipe until the pipe is in a coaxial state with the front chuck 12 and the rear chuck 13.

S3, moving the rear chuck 13: the rear chuck 13 moves towards the direction close to the front chuck 12 so that the rear chuck 13 abuts against the pipe and clamps the pipe, the rear chuck 13 continues to move towards the direction close to the front chuck 12, and the supporting roller 421, the first centering roller 422 and the second centering roller 423 roll relatively to the pipe so as to reduce the load of the rear chuck 13 for driving the pipe, finally the pipe passes through the chucks, and the position where the pipe needs to be cut moves to the position right below the laser cutting head 14.

S4, the front chuck 12 and the blanking mechanism 2 work: the front chuck 12 works and clamps the pipe, and the driving piece 23 drives the material guiding plate 22, so that the material guiding plate 22 is abutted against the bottom of the pipe, and then the material guiding plate 22 is used for supporting the pipe in an auxiliary manner, so that the stability of the pipe is improved.

S5, working by the laser cutting head 14: the laser cutting head 14 starts to cut the pipe, simultaneously the front chuck 12 and the rear chuck 13 drive the pipe to rotate, if the pipe to be cut is a square pipe, the lifting arm 42 rises or falls along with the rotation of the pipe under the action of the pushing piece 43, meanwhile the material guide plate 22 rises or falls along with the rotation of the pipe under the action of the driving piece 23, if the pipe to be cut is a circular pipe, the lifting arm 42 and the material guide plate 22 are kept in a relatively static state, so that the real-time support of the pipe is realized, the stability of the pipe is improved, the condition that the pipe is thrown in the rotating process is avoided, and the cutting precision of the pipe is further improved.

S6, continuously moving the rear chuck 13: after the pipe is cut, the rear chuck 13 continues to move towards the direction close to the front chuck 12, so that the next position to be cut of the pipe moves to the position right below the laser cutting head 14, if the lifting arm 42 interferes with the rear chuck 13 at this time, the second pushing piece 432 drives the corresponding lifting arm 42 to descend, so that the lifting arm 42 and the rear chuck 13 form avoidance, the condition that the rear chuck 13 interferes with the lifting arm 42 is avoided, meanwhile, the stability of the pipe during rotation is guaranteed, and the cutting accuracy of the pipe cutting machine on the pipe is guaranteed.

That is, as the cutting progress is continued, the lifting arms 42 in the plurality of groups of supporting lifting mechanisms 4 sequentially drop to form avoidance with the rear chuck 13, so as to ensure that the rear chuck 13 continuously pushes the pipe.

S7, selecting a supporting mode: when cutting last one end tubular product, there are two kinds of processing modes according to unloading length, when the short material, back chuck 13 passes preceding chuck 12, only back chuck 13 centre gripping tubular product and accomplish the cutting to this assurance shortest tail material, when long material, preceding chuck 12 moves towards the direction that is close to back chuck 13, so that preceding chuck 12 moves to the one side that laser cutting head 14 is close to back chuck 13, preceding chuck 12 and back chuck 13 centre gripping are jointly to tubular product and accomplish the cutting, realize the jump cutting of laser cutting head 14, also with this assurance shortest tail material, improve the utilization ratio of tubular product.

S8, resetting and blanking the rear chuck 13: after a tubular product cutting is accomplished, back chuck 13 releases the centre gripping to the heel, and back chuck 13 moves towards the direction of keeping away from preceding chuck 12, and waste plate 221 moves to the guide state simultaneously under the effect of power piece 222, and the heel falls to the waste frame that is arranged in stock guide 22 one end along waste plate 221, then driving piece 23 drive stock guide 22 upset, and tubular product is along stock guide 22 landing to the material frame to realize the collection to required size tubular product, realized the classification of heel and required size tubular product in this process, so that the staff is to its arrangement, has improved staff's work efficiency.

Specifically, when the rear chuck 13 moves away from the front chuck 12, the feeding mechanism 3 continues to drive the next pipe, so that after the rear chuck 13 moves to the initial position, the supporting and lifting mechanism 4 can lift Ma Duiguan the pipe, thereby greatly saving the feeding time and improving the working efficiency.

The application can be realized by adopting or referring to the prior art at the places which are not described in the application.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims

1. The utility model provides a pipe cutting machine, its characterized in that, includes pipe cutting machine body (1) and unloading mechanism (2), pipe cutting machine body (1) have the unloading end, unloading mechanism (2) are located the unloading end, unloading mechanism (2) include base (21) and locate stock guide (22) and driving piece (23) of base (21), driving piece (23) are used for the drive stock guide (22) remove and drive in the vertical direction stock guide (22) upset, so that stock guide (22) can support the tubular product in real time and make the tubular product after the cutting accomplish follow stock guide (22) landing, one side of pipe cutting machine body (1) is provided with and is used for carrying out support lifting mechanism (4) that lifts to the tubular product.

2. A pipe cutting machine according to claim 1, wherein the base (21) is provided with a moving seat (211), the guide plate (22) is arranged on the moving seat (211), and the moving seat (211) is slidably connected with the base (21), so that the moving seat (211) can drive the guide plate (22) to move towards a direction approaching to or separating from the pipe cutting machine body (1).

3. A pipe cutting machine according to claim 2, wherein the movable base (211) is provided with a lifting base (214), the guide plate (22) is arranged on the lifting base (214), and the lifting base (214) is slidably connected with the base (21), so that the lifting base (214) can drive the guide plate (22) to move in a vertical direction.

4. A pipe cutting machine according to claim 1, wherein the driving member (23) comprises a first driving member (231) and a second driving member (232), the first driving member (231) is configured to drive the material guiding plate (22) to move in a vertical direction, and the second driving member (232) is configured to drive the material guiding plate (22) to turn over.

5. A pipe cutting machine according to claim 1, wherein the end of the stock guide (22) adjacent to the pipe cutting machine body (1) is hinged with a stock guide (221), and a power member (222) for driving the stock guide (221) to rotate, so that the stock guide (221) has a supporting state coplanar with the stock guide (22) and a stock guide state disposed at an included angle with the stock guide (22).

6. A pipe cutting machine according to claim 1, characterized in that the pipe cutting machine body (1) comprises a machine body (11), a front chuck (12), a rear chuck (13) and a laser cutting head (14), the machine body (11) has a blanking end and a feeding end opposite to the blanking end, the front chuck (12) and the laser cutting head (14) are arranged at the blanking end, the rear chuck (13) is arranged at the feeding end, a feeding mechanism (3) is arranged at one side of the machine body (11), and the supporting lifting mechanism (4) is used for lifting a pipe on the feeding mechanism (3) so that the pipe is separated from the feeding mechanism (3) and is coaxial with the front chuck (12) and the rear chuck (13).

7. A pipe cutting machine according to claim 6, characterized in that the supporting lifting mechanism (4) comprises a mounting seat (41), a lifting arm (42) movably connected to the mounting seat (41) and a pushing member (43) arranged on the mounting seat (41), wherein the pushing member (43) acts on the lifting arm (42) so as to enable the lifting arm (42) to be lifted or lowered, the lifting arm (42) is provided with a supporting end for supporting a pipe, and the supporting end is provided with a supporting roller (421).

8. A pipe cutting machine according to claim 7, wherein the mounting base (41) comprises a mounting plate (411) provided to the bed (11) and a lifting frame (412) provided to the mounting plate (411), the lifting arm (42) being provided to the lifting frame (412), the pushing member (43) comprising a first pushing member (431) provided to the mounting plate (411) and a second pushing member (432) provided to the lifting frame (412), the first pushing member (431) acting on the lifting frame (412) to enable the lifting frame (412) to move in a vertical direction, the second pushing member (432) acting on the lifting arm (42) to enable the lifting arm (42) to be lifted or lowered.

9. A pipe cutting machine according to claim 7, characterized in that the support end is provided with a first centring roller (422), a second centring roller (423) and an actuator (424) acting on the first centring roller (422) and the second centring roller (423), the actuator (424) driving the first centring roller (422) and the second centring roller (423) towards and away from each other for adjusting the pipe material by the first centring roller (422) and the second centring roller (423).

10. A pipe cutting method for a pipe cutting machine according to any one of claims 1 to 9, comprising the steps of:

S1, pipe feeding: placing the pipe on a feeding mechanism (3), and driving the pipe by the feeding mechanism (3) so as to enable the pipe to move above a supporting lifting mechanism (4);

S2, lifting the pipe: the pushing piece (43) drives the lifting arm (42) so that the supporting roller (421) is abutted against the pipe, the executing piece (424) drives the first centering roller (422) and the second centering roller (423), the first centering roller (422) and the second centering roller (423) clamp the pipe and adjust the pipe, and the lifting arm (42) continues to lift the pipe until the pipe is coaxial with the front chuck (12) and the rear chuck (13);

s3, moving the rear chuck (13): the rear chuck (13) moves towards the direction close to the front chuck (12) so that the rear chuck (13) is abutted against the pipe and clamps the pipe, the rear chuck (13) continues to move towards the direction close to the front chuck (12), the supporting roller (421), the first centering roller (422) and the second centering roller (423) roll relatively with the pipe so that the pipe passes through the front chuck (12), and the pipe is required to be cut to be moved to the position right below the laser cutting head (14);

S4, working a front chuck (12) and a blanking mechanism (2): the front chuck (12) works and clamps the pipe, and the driving piece (23) drives the material guide plate (22) so that the material guide plate (22) is abutted against the bottom of the pipe;

S5, working by a laser cutting head (14): the laser cutting head (14) is started to cut the pipe, the front chuck (12) and the rear chuck (13) drive the pipe to rotate, if the pipe to be cut is a square pipe, the lifting arm (42) rises or falls along with the rotation of the pipe under the action of the pushing piece (43), and the material guide plate (22) rises or falls along with the rotation of the pipe under the action of the driving piece (23);

s6, continuously moving the rear chuck (13): after the pipe is cut, the rear chuck (13) continues to move towards the direction close to the front chuck (12) so as to enable the next position to be cut of the pipe to be moved to the position right below the laser cutting head (14), and if the lifting arm (42) interferes with the rear chuck (13) at the moment, the pushing piece (43) drives the lifting arm (42) to descend so as to enable the lifting arm (42) to form avoidance with the rear chuck (13);

S7, selecting a supporting mode: when the last section of pipe is cut, according to two processing modes of blanking length, when the pipe is short, the rear chuck (13) passes through the front chuck (12), only the rear chuck (13) clamps the pipe and completes cutting, and when the pipe is long, the front chuck (12) moves towards the direction close to the rear chuck (13) so that the front chuck (12) moves to one side of the laser cutting head (14) close to the rear chuck (13), and the front chuck (12) and the rear chuck (13) clamp the pipe together and complete cutting;

S8, resetting and blanking the rear chuck (13): after a tubular product cutting is accomplished, back chuck (13) releases the centre gripping to the heel, and back chuck (13) are moved towards the direction of keeping away from preceding chuck (12), and waste plate (221) move to the guide state under the effect of power piece (222) simultaneously, and the heel falls to the waste frame along waste plate (221), then drives flitch (22) upset, tubular product along flitch (22) landing to the material frame.