CN121199399A

CN121199399A - A pipe cutting device

Info

Publication number: CN121199399A
Application number: CN202511510162.4A
Authority: CN
Inventors: 陈溢钊; 赵汝峥; 牛新鹏; 冯鸿华; 何登宽
Original assignee: Guangzhou Sango Auto Parts Co ltd
Current assignee: Guangzhou Sango Auto Parts Co ltd
Priority date: 2025-10-22
Filing date: 2025-10-22
Publication date: 2025-12-26

Abstract

The invention relates to the field of pipe fitting machining, in particular to a pipe fitting cutting device, which comprises a frame, a cutting mechanism arranged on the frame, a fixed workbench, a first driving piece and a rotary workbench, wherein the fixed workbench is respectively connected with the frame, the first driving piece is connected with the frame, the rotary workbench is connected with the output end of the first driving piece, a first clamping piece is arranged on the fixed workbench, a plurality of second clamping pieces are arranged on the rotary workbench and are used for clamping a pipe fitting, the first clamping piece is used for being connected with the pipe fitting in a rotating mode, the axis of the clamping center of the first clamping piece is coaxial with the rotation axis of the rotary workbench, and the cutting mechanism can move along the direction parallel to the rotation axis of the rotary workbench. The cutting mechanism cuts a part of the pipe fitting which is positioned between the rotary workbench and the fixed workbench and is coaxial with the rotation axis of the fixed workbench, and the bent pipe can be beveled along with the movement of the cutting mechanism along the direction parallel to the rotation axis of the rotary workbench and the rotation of the pipe fitting.

Description

Pipe fitting cutting device

Technical Field

The invention relates to the field of pipe fitting machining, in particular to a pipe fitting cutting device.

Background

Chamfering, as the name implies, refers to a process in which the end face of the pipe is cut not in a conventional 90 degree perpendicular manner, but at a specific angle. The bevel cut formed by such cutting is commonly referred to as a "bevel", and thus beveling is more commonly referred to in the industry as "beveling", and the beveled pipe greatly increases the cross-sectional area and penetration of the weld when welded, as compared to a simple straight cut, thereby achieving a welded joint of high strength and reliability.

The prior art discloses groove pipe laser cutting equipment which comprises a machine tool, a clamping mechanism, a triaxial moving sliding table, a swinging mechanism and a laser cutting head, wherein the clamping mechanism is arranged on the machine tool and used for clamping a pipe and driving the pipe to rotate around a pipe central shaft, the triaxial moving sliding table is arranged on the machine tool, an executing end of the triaxial moving sliding table moves in an X-axis direction, a Y-axis direction and a Z-axis direction, the swinging mechanism is arranged at the executing end of the triaxial moving sliding table, the swinging end of the swinging mechanism swings around the Y-axis direction, and the laser cutting head is connected with the swinging end of the swinging mechanism so as to swing along with the swinging end of the swinging mechanism. The laser cutting head is driven to rotate in a certain angle range through the swing of the swing mechanism, so that the laser cutting head can cut a bevel angle of a pipe at a certain angle, the port of the pipe is not required to be subjected to beveling processing subsequently, the pipe with a groove is cut in one step, the cutting efficiency is guaranteed, and the time cost and the labor cost of pipe cutting are reduced.

However, such a device is only suitable for processing straight pipes, and in cutting for some bent pipes, such as automobile tail pipes, the clamping mechanism clamps one end of the bent pipe, but because the pipe fitting is bent, it is not ensured that the cutting position is coaxial with the clamping mechanism, the cutting knife cannot process the bent pipe, and the device is not suitable for chamfering the bent pipe.

Disclosure of Invention

The invention aims to solve the problems that the bent pipe is difficult to chamfer and the adaptability is insufficient in the prior art, and provides a pipe fitting cutting device which can chamfer the bent pipe and improve the adaptability of the cutting device.

In order to solve the technical problems, the invention adopts the following technical scheme:

The utility model provides a pipe fitting cutting device, include the frame, set up in cutting mechanism of frame, respectively with the fixed worktable that the frame is connected, with the first driving piece that the frame is connected and with the swivel work head that the output of first driving piece is connected, be provided with first clamping piece on the fixed worktable, be provided with a plurality of second clamping piece on the swivel work head, the second clamping piece is used for pressing from both sides tight pipe fitting, first clamping piece is used for rotating with the pipe fitting to be connected, the axis at the centre of grip place of first clamping piece with swivel work head's axis is coaxial, cutting mechanism can be followed in parallel with swivel work head axis's direction of rotation.

According to the pipe fitting cutting device, when the pipe fitting to be processed is cut, an operator installs one section of the pipe fitting to be processed at the second clamping piece on the rotary workbench, installs one section of the pipe fitting at the first clamping piece on the fixed workbench, then the first driving piece is started, the first driving piece drives the whole rotary workbench to rotate along the axis of the output shaft of the first driving piece, the pipe fitting can be driven to rotate as the second clamping piece clamps the pipe fitting, the axis of the clamping center of the first clamping piece is coaxial with the rotation axis of the rotary workbench, the clamping center refers to the axis of the pipe fitting at one section of the first clamping piece in the clamping state, the pipe fitting is connected with the first clamping piece in a rotating mode, the rotation axis of the pipe fitting is coaxial with the rotation axis of the rotary workbench, then the cutting mechanism cuts part of the pipe fitting which is located between the rotary workbench and the fixed workbench and is coaxial with the rotation axis of the rotary workbench, and the pipe fitting can be obliquely cut along with the movement of the cutting mechanism along the direction parallel to the rotation axis of the rotary workbench.

Further, the first clamping piece includes with the supporting shoe that the frame is connected, with the first rotating member and the second rotating member that the top of supporting shoe is rotated and is connected, with the second driving piece that the supporting shoe is connected, with the first rocking arm that the supporting shoe is rotated and is connected and with the third rotating member that the first rocking arm is rotated and is connected, the second driving piece is used for the drive first rocking arm rotates, the axis of rotation of first rotating member, second rotating member and third rotating member is all parallel to the axis of rotation of swivel work head, first rotating member the second rotating member with enclose into the clamp mouth that is used for gripping the pipe fitting between the third rotating member. Before cutting, operating personnel place the pipe fitting on first rotating member and second rotating member, and after the location, the second driving member can drive first rocking arm and rotate, encloses into the clamp mouth between first rotating member, second rotating member and the third rotating member, waits to cut the pipe fitting and first rotating member, second rotating member and third rotating member roll connection, and roll connection frictional force is less.

Further, the supporting block comprises a transverse supporting portion, a right-angle supporting portion and a vertical supporting portion, wherein the transverse supporting portion is in sliding connection with the machine frame, the right-angle supporting portion is in sliding connection with the transverse supporting portion, the vertical supporting portion is in sliding connection with the right-angle supporting portion, the first rotating piece and the second rotating piece are both in rotational connection with the top of one side of the vertical supporting portion, the sliding direction of the transverse supporting portion, the sliding direction of the right-angle supporting portion and the sliding direction of the vertical supporting portion are perpendicular to each other, and the second driving piece is connected with the vertical supporting portion. Through sliding horizontal supporting part, right angle supporting part and vertical supporting part, the position of clamp mouth is adjusted to the three-dimensional to adapt to the pipe fitting of different crooked shapes, the suitability is better.

Further, the support block further comprises a locking piece, the transverse support portion is provided with a long hole, the locking piece penetrates through the long hole in the transverse support portion and is connected with the frame, the right-angle support portion is provided with a long hole, and the locking piece penetrates through the long hole in the right-angle support portion and is respectively connected with the transverse support portion and the vertical support portion. After the clamping opening position is adjusted, the clamping opening can be locked through the locking piece, and the clamping opening position is fixed.

Further, a first supporting piece is arranged on the fixed workbench, a second supporting piece is arranged on the rotary workbench, and the first supporting piece and the second supporting piece are both used for supporting the end part of the pipe fitting. Support is provided at the pipe fitting end, positioning is assisted, and stability of pipe fitting placement is improved.

Further, the first supporting piece comprises a fourth driving piece connected with the frame and a first supporting block arranged at the output end of the third driving piece, and the driving direction of the third driving piece is along the axis of the port supported by the first supporting block. After the pipe fitting is placed, the fourth driving piece drives the first supporting block to withdraw, so that interference with rotation of the pipe fitting is avoided.

Further, the second support piece includes with the connecting block that swivel work head is connected, set up in the second supporting shoe at connecting block top, with the fourth driving piece that second supporting shoe is connected, with the connecting block rotate the second rocking arm of being connected and with the compact heap that second rocking arm is connected, the fourth driving piece is used for the drive the second rocking arm rotates. After placing the pipe fitting, the fourth driving piece can drive the second rocking arm to rotate to the compact heap compresses tightly the pipe fitting on first supporting shoe, and fixed effect is better.

Further, the cutting mechanism comprises two first sliding shafts arranged at the top of the frame, a second sliding shaft connected with the output ends of the two first sliding shafts, a third sliding shaft connected with the output end of the second sliding shaft and a laser generator connected with the output end of the third sliding shaft. The laser cutting is used, the deburring process is not needed, the process is simplified, and the production efficiency is improved.

Further, the moving direction of the third sliding shaft is parallel to the rotating axis of the rotary workbench, the moving direction of the second sliding shaft is perpendicular to the moving direction of the third sliding shaft in a horizontal plane, and the moving direction of the laser generator is along a vertical direction. Through triaxial regulation for laser generator can be in the arbitrary activity of space, accomplishes operations such as cutting, punching of optional position, and the machining scope is wider.

Further, the frame is also provided with a tilting guide mechanism, the guide mechanism is located below the rotary workbench, and a storage box is arranged at the bottom of the guide mechanism. The processed waste residues enter the storage box through the material guiding mechanism, so that the accumulation of the waste residues is avoided.

Compared with the prior art, the invention has the beneficial effects that:

1. The cutting mechanism cuts a part of the pipe fitting which is positioned between the rotary workbench and the fixed workbench and is coaxial with the rotation axis of the rotary workbench, and the beveling of the bent pipe can be realized along with the movement of the cutting mechanism along the direction parallel to the rotation axis of the rotary workbench and the rotation of the pipe fitting;

2. The first rotating piece, the second rotating piece and the third rotating piece enclose a clamping opening for clamping the pipe fitting, and the friction force between the clamping opening and the pipe fitting is smaller;

3. The arrangement of the first supporting piece and the second supporting piece provides support at the end part of the pipe fitting, helps positioning and improves the stability of the placement of the pipe fitting;

4. the cutting mechanism is adjusted through the triaxial, so that the laser generator can move randomly in space to finish operations such as cutting and punching at any position, and the processing range is wider.

Drawings

FIG. 1 is a schematic view of a pipe cutting apparatus;

FIG. 2 is an enlarged partial view of the A position of FIG. 1;

FIG. 3 is a schematic view of the operation of a pipe cutting apparatus;

FIG. 4 is a schematic view of the structure of the first clamping member and the first supporting member;

fig. 5 is a schematic structural view of the second support member.

In the drawing, 100, a frame, 200, a cutting mechanism, 210, a first sliding shaft, 220, a second sliding shaft, 230, a third sliding shaft, 300, a fixed workbench, 310, a first clamping piece, 311, a second driving piece, 312, a first rocker arm, 313, a third rotating piece, 314, a transverse supporting part, 315, a right-angle supporting part, 316, a vertical supporting part, 317, a first rotating piece, 318, a second rotating piece, 320, a first supporting piece, 321, a third driving piece, 322, a first supporting block, 400, a first driving piece, 500, a rotary workbench, 510, a second clamping piece, 520, a second supporting piece, 521, a connecting block, 522, a second supporting block, 523, a fourth driving piece, 524, a second rocker arm, 525, a pressing block, 600, a material guiding mechanism and 700, a storage box.

Detailed Description

The invention is further described below in connection with the following detailed description. In which the drawings are for illustrative purposes only and are not intended to be construed as limiting the present patent, and in which certain elements of the drawings may be omitted, enlarged or reduced in order to better illustrate embodiments of the present invention, and not to represent actual product dimensions, it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., which are based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or elements referred to must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that the specific meanings of the terms described above should be understood by those skilled in the art according to circumstances.

In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "fixed," "mated," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, reference to the term "embodiment" or the like 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 invention. 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Example 1

The present embodiment is a first embodiment of a pipe cutting apparatus, as shown in fig. 1 and 2, including a frame 100, a cutting mechanism 200 disposed on the frame 100, a fixed table 300 respectively connected to the frame 100, a first driving member 400 connected to the frame 100, and a rotary table 500 connected to an output end of the first driving member 400, wherein the fixed table 300 is provided with a first clamping member 310.

As shown in fig. 4, the first clamping member 310 includes a plurality of locking members, a transverse supporting portion 314 slidably connected to the frame 100 along the X-axis direction, a right-angle supporting portion 315 slidably connected to the transverse supporting portion 314 along the Y-axis direction, a vertical supporting portion 316 slidably connected to the right-angle supporting portion 315 along the Z-axis direction, a first rotating member 317 and a second rotating member 318 rotatably connected to a top portion of one side of the vertical supporting portion 316, a second driving member 311 connected to the vertical supporting portion 316, a first swing arm 312 rotatably connected to the vertical supporting portion 316, and a first rotating member 317 rotatably connected to the first swing arm 312, an output end of the second driving member 311 is rotatably connected to the first swing arm 312, a linear motion is converted into a rotational motion of the first swing arm 312 by a lever principle, and rotational axes of the first rotating member 317, the second rotating member 318, and the third rotating member 313 are all parallel to a rotational axis of the rotary table 500, and a clamping port for clamping a pipe is defined between the first rotating member 317, the second rotating member 318, and the third rotating member 313.

The transverse supporting portion 314 is provided with a long hole along the X-axis direction, the locking piece passes through the long hole on the transverse supporting portion 314 and is in threaded connection with a threaded hole formed in the frame 100, the bottom surface of the right-angle supporting portion 315 is provided with a long hole along the Y-axis direction, the side surface of the right-angle supporting portion 315 is provided with a long hole along the Z-axis direction, and the locking piece passes through the long hole of the right-angle supporting portion 315 and is respectively in threaded connection with the threaded hole formed in the transverse supporting portion 314 and the threaded hole formed in the vertical supporting portion 316.

In this embodiment, the first driving member 400 is a rotating motor, the second driving member 311 is a cylinder, the first rotating member 317, the second rotating member 318 and the third rotating member 313 are bearings with the same specification, the first rotating member 317 and the second rotating member 318 are disposed at the same horizontal height, the connecting lines between the axes of the first rotating member 317, the second rotating member 318 and the third rotating member 313 form an equilateral triangle, and the locking member is a bolt.

The rotary table 500 is provided with a second clamping member 510, the second clamping member 510 is used for clamping a pipe, the first clamping member 310 is used for rotationally connecting with the pipe, the axis of the clamping center of the first clamping member 310 is coaxial with the rotation axis of the rotary table 500, the clamping center refers to the axis of a section of the pipe located in the first clamping member 310 when the first clamping member 310 is in a clamped state, and the cutting mechanism 200 can move along a direction parallel to the rotation axis of the rotary table 500.

When the first driving member 400 does not rotate, the laser generator is controlled to move above the workpiece, so that punching can be realized.

The working principle of this embodiment is as follows:

In the pipe cutting device of the present invention, when cutting an elbow pipe, as shown in fig. 3, an operator installs a section of a pipe to be processed at a second clamping member 510 on a rotary table 500, installs a section of the pipe at a first clamping member 310 on a fixed table 300, then starts a first driving member 400, the first driving member 400 drives the whole rotary table 500 to rotate, the whole pipe is driven to rotate because the first clamping member 310 clamps the pipe, the pipe is rotationally connected with the second clamping member 510 and the rotation axis is coaxial with the rotation axis of the rotary table 500, then the cutting mechanism 200 cuts a part of the pipe located between the rotary table 500 and the fixed table 300 and coaxial with the rotation axis of the rotary table 500, and the pipe can be beveled as the cutting mechanism 200 moves in a direction parallel to the rotation axis of the rotary table 500 and rotates the pipe.

The beneficial effects of the invention are as follows:

The device can drill holes and cut pipes directly, and can cut partial pipes which are positioned between the rotary workbench 500 and the fixed workbench 300 and coaxial with the rotation axis of the rotary workbench 500 by the cutting mechanism 200, the first rotating piece 317, the second rotating piece 318 and the third rotating piece 313 are arranged, friction force between the first rotating piece 317, the second rotating piece 318 and the third rotating piece 313 and the pipes is smaller, the positions of clamping openings are adjusted by the sliding transverse supporting parts 314, the right-angle supporting parts 315 and the vertical supporting parts 316, and locking is realized by the locking pieces, so that the device is suitable for pipes with different bending shapes and has better applicability.

Originally cut off the pipe inclined plane to require the front end to have fillet R15, cut off inclined plane burr height requirement high (less than 0.3 mm), 4 processes accomplish before need, saw bit cuts off, oil pressure chamfer, burring, oil pressure punching, and is with high costs, inefficiency, the quality is poor. By using the equipment, the inclined plane cutting and punching can be completed by only 1 working procedure, the deburring working procedure is not needed, and a plurality of equipment are integrated.

In addition, the beveling angle (and the bevel angle) of the pipe fitting can be changed according to actual needs, and the calculation principle and the formula are as follows:

let the radius of the tube be R, the rotational angular velocity ω (rad/s) of the tube, and the moving velocity v (m/s) of the laser generator along the X-axis.

The bevel angle θ is defined as the intersection direction angle (i.e., the helix angle) of the cut bevel face and the surface of the round tube, then tan θ=rω/v,

In actual processing, the parameters of v and omega can be set according to the spiral angle formula according to different circular tube radiuses R, thereby realizing the required groove angle theta,

The moving path is reduced by setting a different cutting trajectory by the circular motion than the linear motion, and the cutting efficiency can be improved by increasing the speed of v\ω.

Example two

The present embodiment is a second embodiment of a pipe cutting apparatus, which is similar to the embodiment, except that, as shown in fig. 2 and 4, a first supporting member 320 is provided on the fixed table 300, a second supporting member 520 is provided on the rotary table 500, the first supporting member 320 and the second supporting member 520 are both used for supporting the end of the pipe, the first supporting member 320 includes a third driving member 321 connected with the frame 100 and a first supporting block 322 provided at the output end of the third driving member 321, the driving direction of the fourth driving member 523 is along the axis of the port supported by the first supporting block 322, the second supporting member 520 includes a connection block 521 connected with the rotary table 500, a second supporting block 522 provided at the top of the connection block 521, a fourth driving member 523 connected with the second supporting block 522, a second rocker 524 rotatably connected with the connection block 521, and a pressing block 525 connected with the second rocker 524, and the fourth driving member 523 is used for driving the second rocker 524 to rotate.

In this embodiment, the first support block 322 and the second support block 522 are each U-shaped, and the third driving member 321 and the fourth driving member 523 are each cylinders.

The working principle of this embodiment is as follows:

After placing the pipe fitting, third driving piece 321 can drive second rocking arm 524 to rotate to compress tightly the piece 525 and compress tightly the pipe fitting on first supporting shoe 322, and fixed effect is better, and fourth driving piece 523 drives first supporting shoe 322 to withdraw from, avoids producing the interference with the rotation of pipe fitting, and first supporting piece 320 and second supporting piece 520 can provide the support at the pipe fitting tip, help the location, improve the stability that the pipe fitting was placed.

The remaining operation principles of this embodiment are the same as those of the second embodiment.

Example III

The present embodiment is a third embodiment of a pipe cutting apparatus, which is similar to the first embodiment, and is different in that, as shown in fig. 1, the cutting mechanism 200 includes two first sliding shafts 210 disposed at the top of the frame 100, a second sliding shaft 220 connected to the output ends of the two first sliding shafts 210, a third sliding shaft 230 connected to the output end of the second sliding shaft 220, and a laser generator connected to the output end of the third sliding shaft 230, the moving direction of the third sliding shaft 230 is parallel to the rotation axis of the rotary table 500, i.e. the X-axis direction, the moving direction of the second sliding shaft 220 is perpendicular to the moving direction of the third sliding shaft 230 in the horizontal plane, i.e. the Y-axis direction, the moving direction of the laser generator is along the vertical direction, i.e. the Z-axis direction, and the laser generator is a prior art, and no excessive description is required.

As shown in fig. 3, the rotary table 500 is further provided with a punching station, which is formed by one second clamping member 510 and two second supporting members 520, and the two second supporting members 520 are located at both sides of the second clamping member 510.

The working principle of this embodiment is as follows:

Through triaxial regulation for laser generator can be in the space arbitrary activity, accomplishes operations such as cutting, punching of optional position, and the machining range is wider, uses laser cutting, need not to carry out the burring process, simplifies the process, improves production efficiency.

Example IV

The present embodiment is a fourth embodiment of a pipe cutting device, which is similar to the third embodiment, and is different in that, as shown in fig. 1, the frame 100 is further provided with an inclined material guiding mechanism 600, the material guiding mechanism 600 is located below the rotary table 500 and the fixed table 300, a material storage box 700 is provided at the bottom of the material guiding mechanism 600, and a waste tank for letting waste fall is provided on the rotary table 500.

The remaining operation principle of this embodiment is the same as that of the third embodiment.

In the specific content of the above embodiment, any combination of the technical features may be performed without contradiction, and for brevity of description, all possible combinations of the technical features are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Variations or modifications of the various embodiments will be apparent to those of ordinary skill in the art in light of the above description. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. The utility model provides a pipe fitting cutting device, includes frame (100) and set up in cutting mechanism (200) of frame (100), its characterized in that still include respectively with fixed workstation (300) that frame (100) are connected, with first driving piece (400) that frame (100) are connected and with swivel work head (500) that the output of first driving piece (400) is connected, be provided with first dress folder (310) on fixed workstation (300), be provided with a plurality of second dress folder (510) on swivel work head (500), second dress folder (510) are used for pressing from both sides tight pipe fitting, first dress folder (310) are used for with pipe fitting swivelling joint, the axis at the centre of grip of first dress folder (310) place with swivel work head (500) axis of rotation is coaxial, cutting mechanism (200) can be followed in parallel to swivel work head (500) axis of rotation's direction.

2. A pipe cutting apparatus according to claim 1, wherein the first clamping member (310) comprises a support block connected to the frame (100), a first rotating member (317) and a second rotating member (318) rotatably connected to a top portion of the support block, a second driving member (311) connected to the support block, a first rocker arm (312) rotatably connected to the support block, and a third rotating member (313) rotatably connected to the first rocker arm (312), the second driving member (311) is configured to drive the first rocker arm (312) to rotate, and rotational axes of the first rotating member (317), the second rotating member (318), and the third rotating member (313) are all parallel to a rotational axis of the rotary table (500), and a clamping opening for clamping a pipe is defined between the first rotating member (317), the second rotating member (318), and the third rotating member (313).

3. A pipe cutting device according to claim 2, wherein the support block comprises a transverse support part (314) slidingly connected with the frame (100), a right-angle support part (315) slidingly connected with the transverse support part (314), and a vertical support part (316) slidingly connected with the right-angle support part (315), the first rotating member (317) and the second rotating member (318) are both rotatably connected with the top of one side of the vertical support part (316), the sliding direction of the transverse support part (314), the sliding direction of the right-angle support part (315), and the sliding direction of the vertical support part (316) are perpendicular to each other, and the second driving member (311) is connected with the vertical support part (316).

4. A pipe cutting device according to claim 3, wherein the support block further comprises a locking member, the transverse support portion (314) is provided with a long hole, the locking member passes through the long hole on the transverse support portion (314) and is connected with the frame (100), the right angle support portion (315) is provided with a long hole, and the locking member passes through the long hole of the right angle support portion (315) and is connected with the transverse support portion (314) and the vertical support portion (316) respectively.

5. A pipe cutting apparatus according to claim 1, wherein the stationary table (300) is provided with a first support (320), the rotary table (500) is provided with a second support (520), and the first support (320) and the second support are each adapted to support an end of a pipe.

6. A pipe cutting apparatus according to claim 5, wherein the first support member (320) comprises a third drive member (321) connected to the frame (100) and a first support block (322) provided at an output end of the third drive member (321), the drive direction of the third drive member (321) being along an axis at a port supported by the first support block (322).

7. The pipe cutting apparatus as claimed in claim 5, wherein the second supporting member (520) comprises a connection block (521) connected to the rotary table (500), a second supporting block (522) disposed on top of the connection block (521), a fourth driving member (523) connected to the second supporting block (522), a second swing arm (524) rotatably connected to the connection block (521), and a pressing block (525) connected to the second swing arm (524), the fourth driving member (523) being configured to drive the second swing arm (524) to rotate.

8. A pipe cutting apparatus according to any one of claims 1-7, wherein the cutting mechanism (200) comprises two first sliding shafts (210) arranged at the top of the frame (100), a second sliding shaft (220) connected to the output ends of the two first sliding shafts (210), a third sliding shaft (230) connected to the output end of the second sliding shaft (220), and a laser generator connected to the output end of the third sliding shaft (230).

9. A pipe cutting apparatus according to claim 8, wherein the direction of movement of the third slip shaft (230) is parallel to the axis of rotation of the rotary table (500), the direction of movement of the second slip shaft (220) is perpendicular to the direction of movement of the third slip shaft (230) in a horizontal plane, and the direction of movement of the laser generator is in a vertical direction.

10. A pipe cutting apparatus according to any one of claims 1-7, wherein the frame (100) is further provided with an inclined guide mechanism (600), the guide mechanism (600) being located below the rotary table (500) and the stationary table (300), the bottom of the guide mechanism (600) being provided with a storage tank (700).