CN111496391A - A kind of automatic laser cutting system of batch stainless steel pipe and processing method thereof - Google Patents

Abstract

The invention discloses an automatic laser cutting system for batch stainless steel pipes, which is arranged on the installation surface. The automatic laser cutting system for batch stainless steel pipes comprises: at least two steel pipe clamping mechanisms arranged in parallel, each of the steel pipe clamping mechanisms A steel pipe can be respectively clamped; the rotating feeding mechanism is arranged at one end of the steel pipe clamping mechanism and abuts against one end of the steel pipe, and can push the steel pipe to move along the steel pipe clamping mechanism and drive the steel pipe to move along the steel pipe clamping mechanism. The steel pipe; a laser cutting mechanism, arranged at the other end of the steel pipe clamping mechanism relative to the feeding mechanism, capable of cutting the steel pipe. The advantages of the above technical solutions are that: by setting up multiple steel pipe clamping mechanisms, the rotating propulsion mechanism can drive multiple steel pipes to feed materials synchronously, which improves the processing efficiency, and the steel pipes can be accurately positioned in various ways during clamping, which improves the performance of the steel pipe. Precision.

Description

A kind of automatic laser cutting system of batch stainless steel pipe and processing method thereof

technical field

The invention relates to the field of cutting devices, in particular to an automatic laser cutting system for batch stainless steel pipes and a processing method thereof.

Background technique

With the development of society, the application of stainless steel pipes has become more and more extensive, such as stair guardrails, security doors, water pipes, flues and so on. However, stainless steel pipes are standard from the factory, and various processing is often required in practical applications. After the emergence of laser cutting and numerical control technology, the processing efficiency of stainless steel pipes has been greatly improved. One laser head can complete the cutting of various complex shapes, and the laser feed rate is high and the cutting section is good, which has been widely recognized by everyone. However, with the further development of all walks of life, the society has higher and higher requirements for professional integration. Some small workshops in the past have been slowly merged and absorbed and transformed into small processing plants, so the requirements for processing efficiency are also getting higher and higher. . As a result, the existing laser cutting machine cannot meet the needs of mass production. Based on this, I invented a multi-stainless steel pipe automatic cutting machine at the same time. The modified machine can complete the cutting of multiple stainless steel pipes of the same shape at the same time, which is suitable for mass cutting needs and in line with the society. development trend.

SUMMARY OF THE INVENTION

Based on this, it is necessary to address the above problems to provide an automatic laser cutting system for batch stainless steel pipes and a processing method thereof, which can perform laser cutting on multiple steel pipes at the same time.

The invention discloses an automatic laser cutting system for batch stainless steel pipes, which is arranged on an installation surface. The automatic laser cutting system for batch stainless steel pipes comprises:

at least two steel pipe clamping mechanisms arranged in parallel, each of the steel pipe clamping mechanisms can respectively clamp a steel pipe;

a rotary feeding mechanism, arranged at one end of the steel pipe clamping mechanism and abutting against one end of the steel pipe, capable of pushing the steel pipe to move along the steel pipe clamping mechanism and driving the steel pipe;

A laser cutting mechanism is provided at the other end of the steel pipe clamping mechanism relative to the feeding mechanism, and can cut the steel pipe.

In one embodiment, the steel pipe clamping mechanism includes a collet and a plurality of clamping assemblies disposed on the side of the collet, the clamping assemblies are evenly arranged around the collet, and are used for clamping the clamps located on the side of the collet. Steel pipe in the barrel.

In one embodiment, the clamping assembly includes: a first clamping member arranged perpendicular to the axis of the clamping cylinder, a first pressing plate, and a driving cylinder for driving the pressing plate to expand and contract, the first pressing plate A first guide groove is opened on the upper part, and the first clamping member extends into the guide groove. With the movement of the first pressing plate, the first clamping member can be driven to expand and contract along the direction perpendicular to the axis of the clamping cylinder. .

In one embodiment, the clamping assembly further includes a connecting rod, a second pressing plate, and a second clamping member, the connecting rod is fixedly connected to the first pressing plate and the second pressing plate, and the second pressing plate is opened There is a second guide groove, the second clamping member extends into the second guide groove, and with the movement of the second pressing plate, the second clamping member can be driven to expand and contract along the direction perpendicular to the axis of the collet , the first guide groove and the second guide groove are arranged in parallel.

In one embodiment, the rotary feeding mechanism includes a guide rail, a support frame, a plurality of clamping and propulsion assemblies disposed on the support frame, a first drive assembly, and a second drive assembly, and the support frame can be The first driving assembly slides along the guide rail under the driving, and drives the clamping and propulsion assembly to move synchronously, thereby pushing the steel pipe to move, and the second driving assembly can drive the clamping and propulsion assembly to rotate, and then The steel pipe is driven to rotate.

In one embodiment, the clamping and propulsion assembly includes a first connecting plate, a second connecting plate, a third connecting plate, a telescopic cylinder, a limit rod, a push rod, a push head, an elastic member, a plurality of first connecting plates A rod, a plurality of second connecting rods, the first connecting plate is connected to the first driving assembly and can be rotated under the driving of the first driving assembly, the second connecting plate and the third connecting plate are both Arranged in parallel with the first connecting plate, one end of the telescopic cylinder is fixed to the first connecting plate, the other end is fixed to the second connecting plate, one end of the limit rod is fixed to the first connecting plate, and passes through the first connecting plate. It is fixed to the third connecting plate through the second connecting plate, the push rod is fixed to the push head through the second connecting plate and the third connecting plate, and the push rod is far away from the push head. One end is provided with a limiting portion, the elastic member is arranged between the first connecting plate and the third connecting plate, a plurality of the first connecting rods are respectively hinged to the first connecting plate, a plurality of the second connecting plates are respectively One end of the connecting rod is hinged to one end of the first connecting rod, and the middle part of the second connecting rod is hinged with the second connecting plate, and the pusher abuts one end of the steel pipe.

In one embodiment, the first driving assembly includes at least one connecting block fixedly disposed on the support frame, a first lead screw threadedly connected to the connecting block, and a first lead screw that drives the lead screw to rotate. The first motor drives the first lead screw to rotate, and pushes the support frame to slide along the guide rail.

In one embodiment, the second drive assembly includes a second motor fixedly arranged on the support frame, a worm driven to rotate by the second motor, rotatably connected to the support frame and connected with the support frame. At least one worm gear meshed by the worm, the worm gear being capable of driving the rotary feed mechanism in rotation.

In one embodiment, the laser cutting mechanism includes a column, a third motor disposed on the column, a second lead screw driven and rotated by the third motor, and a screw connected to the second lead screw. The beam, the laser head fixedly arranged on the beam, the third motor can drive the second lead screw to rotate, and drive the beam to move in the vertical direction.

The invention also discloses a processing method of a batch stainless steel pipe automatic laser cutting system, applying any of the aforementioned batch stainless steel pipe automatic laser cutting systems, and the processing method of the batch stainless steel pipe automatic laser cutting system includes:

The first step is to place the steel pipe in the collet of the steel pipe clamping mechanism;

The second step is to start the driving cylinder to make the first clamping piece and the second clamping piece clamp the steel pipe;

The third step is to start the first drive assembly to make the pusher 235 abut against the steel pipe;

The fourth step, start the telescopic cylinder, so that the second connecting rod 2372 clamps the steel pipe;

In the fifth step, the first driving component continues to push the steel pipe toward the laser cutting mechanism, and at the same time, the second driving component starts to drive the rotation of the plurality of rotating feeding mechanisms synchronously, thereby driving the steel pipe to rotate;

The sixth step, when the steel pipe is advanced to the first working position, the first motor is turned off, and the laser cutting mechanism is started to cut multiple steel pipes synchronously to complete one steel pipe cutting process;

The seventh step is to stop the laser cutting mechanism, start the first drive assembly, and when the steel pipe is pushed to the second working position, the second cutting process is performed.

The advantages of the above technical solutions are: by setting a plurality of steel pipe clamping mechanisms, the rotating propulsion mechanism can synchronously drive the feeding of a plurality of steel pipes, which improves the processing efficiency, and the steel pipes can be accurately positioned in various ways during clamping, which improves the performance of the steel pipe. Precision.

Description of drawings

1 is a perspective view of a batch stainless steel tube automatic laser cutting system provided by the present invention;

2 is a perspective view of a steel pipe clamping mechanism of a batch stainless steel pipe automatic laser cutting system provided by the present invention;

3 is a perspective view of a clamping component of a batch stainless steel tube automatic laser cutting system provided by the present invention;

4 is a perspective view of a partial structure of a batch stainless steel tube automatic laser cutting system provided by the present invention;

Fig. 5 is a partial enlarged view according to A of Fig. 4 provided by the present invention;

Fig. 6 is a partial enlarged view according to B of Fig. 4 provided by the present invention;

7 is a perspective view of a clamping and propulsion assembly of a batch stainless steel pipe automatic laser cutting system provided by the present invention;

8 is a perspective view of a laser cutting mechanism of a batch stainless steel tube automatic laser cutting system provided by the present invention;

In the figure, the batch stainless steel pipe automatic laser cutting system 100, the steel pipe clamping mechanism 10, the clamping cylinder 11, the clamping assembly 12, the first clamping member 121, the roller 1211, the first pressing plate 122, the first guide groove 123, the driving cylinder 124, connecting rod 125, second pressing plate 126, second guide groove 127, second clamping piece 128, rotary feeding mechanism 20, guide rail 21, support frame 22, clamping and propelling assembly 23, first connecting plate 2311, first The second connecting plate 2312, the third connecting plate 2313, the telescopic cylinder 232, the limit rod 233, the push rod 234, the limit part 2341, the push head 235, the elastic piece 236, the first link 2371, the second link 2372, the second link A drive assembly 24, a connection block 241, a first lead screw 242, a first motor 243, a second drive assembly 25, a second motor 251, a worm 252, a turbine 253, a laser cutting mechanism 30, a column 31, a third motor 32, The second lead screw 33 , the beam 34 , the laser head 35 , the steel pipe 200 , and the mounting surface 300 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that when a component is referred to as being "mounted on" another component, it can be directly on the other component or there may also be an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. When a component is said to be "fixed" to another component, it may be directly fixed to the other component or there may also be an intervening component.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1, the present invention discloses a batch stainless steel pipe automatic laser cutting system 100, which is arranged on the installation surface 300. The batch stainless steel pipe automatic laser cutting system 100 includes:

at least two steel pipe clamping mechanisms 10 arranged in parallel, each of the steel pipe clamping mechanisms 10 can respectively clamp a steel pipe 200;

The rotary feeding mechanism 20 is disposed at one end of the steel pipe clamping mechanism 10 and abuts against one end of the steel pipe 200 , and can push the steel pipe 200 to move along the steel pipe clamping mechanism 10 and can drive the steel pipe 200 rotations;

The laser cutting mechanism 30 is provided at the other end of the steel pipe clamping mechanism 10 relative to the feeding mechanism, and can cut the steel pipe 200 .

It can be understood that the steel pipe 200 is supported by the steel pipe clamping mechanism 10, and is fed to the laser cutting mechanism 30 under the driving of the rotating feeding mechanism 20. By arranging a plurality of steel pipe clamping mechanisms 10, multiple steel pipe clamping mechanisms 10 can be synchronously driven by the rotating propulsion mechanism. 200 pieces of steel pipe are used for feeding, which improves the processing efficiency.

Preferably, as shown in FIG. 2 and FIG. 3 , the steel pipe clamping mechanism 10 includes a clamping cylinder 11 and a plurality of clamping assemblies 12 arranged on the side of the clamping cylinder 11 , and the clamping assemblies 12 surround the clamping cylinder 11 . The cylinders 11 are evenly arranged for clamping the steel pipe 200 located in the collet 11 .

Preferably, the clamping assembly 12 includes: a first clamping member 121 arranged perpendicular to the axis direction of the clamping cylinder 11 , a first pressing plate 122 , and a driving cylinder 124 for driving the pressing plate to expand and contract, the first pressing plate 124 . The pressing plate 122 is provided with a first guide groove 123, and the first clamping member 121 extends into the guiding groove. With the movement of the first pressing plate 122, the first clamping member 121 can be driven along the vertical direction of the first clamping member 121. The collet 11 expands and contracts in the axial direction.

It can be understood that, by arranging a plurality of clamping mechanisms on the side of the collet 11, the steel pipe 200 is clamped from different directions to support the steel pipe 200. In this embodiment, the first clamping member 121 is provided with a roller 1211 , the steel pipe 200 can move freely along the axis direction, which is convenient for the feeding of the rotating feeding mechanism 20 .

Preferably, the clamping assembly 12 further includes a connecting rod 125 , a second pressing plate 126 , and a second clamping member 128 , the connecting rod 125 is fixedly connected to the first pressing plate 122 and the second pressing plate 126 , the second pressing plate 126 is fixed. The pressing plate 126 is provided with a second guide groove 127 , and the second clamping member 128 extends into the second guiding groove 127 . With the movement of the second pressing plate 126 , the second clamping member 128 can be driven along the Extends and contracts perpendicular to the axis direction of the cartridge 11 .

It can be understood that, on the collet 11, the first clamping member 121 and the second clamping member 128 are arranged along the axial direction of the collet 11, so as to be supported at different positions of the steel pipe 200, and the first clamping member 121 and the The second clamping members 128 are both driven by the driving cylinder 124 , so that the first clamping member 121 and the second clamping member 128 can expand and contract synchronously, so as to achieve the effect of synchronously clamping and loosening the steel pipe 200 , which facilitates the installation and disassembly of the steel pipe 200 .

Preferably, the first guide groove 123 and the second guide groove 127 are arranged in parallel.

It can be understood that, in this embodiment, the first guide groove 123 and the second guide groove 127 are both linear grooves and are arranged in parallel to achieve the effect of synchronizing clamping and loosening, but in other embodiments, the The first guide groove 123 and the second guide groove 127 may also be arcs or irregular curves, so as to form different clamping effects.

Preferably, as shown in FIGS. 4 to 7 , the rotary feeding mechanism 20 includes a guide rail 21 , a support frame 22 , a plurality of clamping and propulsion assemblies 23 disposed on the support frame 22 , a first drive assembly 24 , The second drive assembly 25, the support frame 22 can slide along the guide rail 21 under the drive of the first drive assembly 24, and synchronously drives the clamping and propulsion assembly 23 to move, thereby pushing the steel pipe 200 to move, The second driving component 25 can drive the clamping and pushing component 23 to rotate, thereby driving the steel pipe 200 to rotate.

It can be understood that, during the processing of the steel pipe 200 , a feeding motion and a rotating motion are required to complete the cutting process of a section of the steel pipe 200 .

Preferably, as shown in FIG. 7 , the clamping and pushing assembly 23 includes a first connecting plate 2311 , a second connecting plate 2312 , a third connecting plate 2313 , a telescopic cylinder 232 , a limit rod 233 , a push rod 234 , and a push head 235 , the elastic member 236 , a plurality of first connecting rods 2371 , and a plurality of second connecting rods 2372 , the first connecting plate 2311 is connected to the first driving assembly 24 and can be connected to the first driving assembly 24 Driven to rotate, the second connecting plate 2312 and the third connecting plate 2313 are arranged in parallel with the first connecting plate 2311. One end of the telescopic cylinder 232 is fixed to the first connecting plate 2311, and the other end is fixed to the first connecting plate 2311. In the second connecting plate 2312, one end of the limiting rod 233 is fixed to the first connecting plate 2311, and is fixed to the third connecting plate 2313 through the second connecting plate 2312, and the push rod 234 passes through the second connecting plate 2312. The second connecting plate 2312 and the third connecting plate 2313 are fixed to the push head 235 , the end of the push rod 234 away from the push head 235 is provided with a limiting portion 2341 , and the elastic member 236 is disposed on the first Between the connecting plate 2311 and the third connecting plate 2313 , a plurality of the first connecting rods 2371 are respectively and evenly hinged to the first connecting plate 2311 in a ring shape, and one end of the plurality of the second connecting rods 2372 is in one-to-one correspondence. It is hinged to one end of the first link 2371 , the middle of the second link 2372 is hinged to the second connecting plate 2312 , and the pusher 235 abuts one end of the steel pipe 200 .

It should be noted that, in the process of the pusher 235 moving to the steel pipe 200, when the steel pipe 200 abuts against the pusher 235, the elastic member 236 will be compressed for buffering to protect the pusher 235, and then the telescopic cylinder 232 will be extended to push The second connecting plate 2312 is close to the third connecting plate 2313, so that the second connecting rod 2372 clamps the steel pipe 200. Since the plurality of second connecting rods 2372 are evenly arranged around the steel pipe 200, the second connecting rod 2372 can be clamped while the second connecting rod 2372 is clamped. It plays the role of automatically positioning the center of the steel pipe 200 , so that the machining accuracy of the steel pipe 200 can be improved.

It is worth mentioning that in this embodiment, the pusher 235 is tapered. When the pusher 235 abuts the steel pipe 200 , the center of the steel pipe 200 is aligned with the center of the pusher 235 to adjust the steel pipe 200 . role of location.

Preferably, as shown in FIG. 5 , the first driving assembly 24 includes at least one connecting block 241 fixedly disposed on the support frame 22 , a first lead screw 242 threadedly connected to the connecting block 241 , and a driving block 241 . The first motor 243 rotates the lead screw. The first motor 243 drives the first lead screw 242 to rotate and pushes the support frame 22 to slide along the guide rail 21 .

It can be understood that, by disposing the first driving assembly 24, a plurality of the clamping and pushing assemblies 23 can be driven to move synchronously.

Preferably, as shown in FIG. 6 , the second drive assembly 25 includes a second motor 251 fixed on the support frame 22 , a worm 252 driven to rotate by the second motor 251 , and rotatably connected to the At least one turbine 253 on the support frame 22 and engaged with the worm 252, the turbine 253 can drive the rotary feeding mechanism 20 to rotate.

It can be understood that by arranging the second driving assembly 25 , the plurality of clamping and propulsion assemblies 23 can be driven to rotate synchronously, so that the laser cutting mechanism 30 can cut the steel pipe 200 in the circumferential direction.

Preferably, as shown in FIG. 8 , the laser cutting mechanism 30 includes a column 31 , a third motor 32 disposed on the column 31 , a second lead screw 33 driven and rotated by the third motor 32 , and a screw connection. On the beam 34 of the second lead screw 33 and the laser head 35 fixed on the beam 34 , the third motor 32 can drive the second lead screw 33 to rotate, and drive the beam 34 in a vertical direction. direction move.

It can be understood that, by adjusting the height of the beam 34, the distance between the laser head 35 and the steel pipe 200 can be adjusted, which facilitates the processing of the steel pipe 200 with different diameters.

The working mode of the present invention is as follows: the steel pipe 200 is placed in the collet 11 of the steel pipe clamping mechanism 10. It can be understood that a plurality of steel pipe clamping mechanisms 10 are arranged in parallel on the installation surface 300. A steel pipe 200 can be placed inside, the driving cylinder 124 is activated, the first clamping member 121 and the second clamping member 128 can clamp the steel pipe 200, the first driving component 24 is activated, and the pusher 235 is abutted against the steel pipe 200. , and then start the telescopic cylinder 232, so that the second connecting rod 2372 clamps the steel pipe 200, the first clamping member 121, the second clamping member 128, the second connecting rod 2372 and the push head 235 all have the effect of positioning the steel pipe 200. , so that the machining accuracy can be effectively improved. Further, the first drive assembly 24 continues to push the steel pipe 200 to the laser cutting mechanism 30, and at the same time, the second drive assembly 25 is activated to synchronously drive the plurality of rotary feeding mechanisms 20 to rotate, thereby driving The steel pipe 200 rotates. When the steel pipe 200 is advanced to the first working position, the first motor 243 is turned off, and the laser cutting mechanism 30 is started to perform synchronous cutting on the plurality of steel pipes 200, and the cutting process of the steel pipe 200 is completed once, and then the laser cutting mechanism 30 is stopped. , start the first drive assembly 24, when the steel pipe 200 is pushed to the second working position, the second cutting process is performed until all the processing work of the steel pipe 200 is completed.

The present invention also discloses a processing method of a batch stainless steel pipe automatic laser cutting system, using the aforementioned batch stainless steel pipe automatic laser cutting system 100, the processing method of the batch stainless steel pipe automatic laser cutting system includes:

The first step is to place the steel pipe 200 in the collet 11 of the steel pipe clamping mechanism 10;

In the second step, the driving cylinder 124 is activated to make the first clamping member 121 and the second clamping member 128 clamp the steel pipe 200;

The third step is to activate the first drive assembly 24 to make the pusher 235 abut against the steel pipe 200;

The fourth step, start the telescopic cylinder 232, so that the second connecting rod 2372 clamps the steel pipe 200;

In the fifth step, the first drive assembly 24 continues to push the steel pipe 200 toward the laser cutting mechanism 30, and at the same time, the second drive assembly 25 is activated to simultaneously drive the plurality of rotary feeding mechanisms 20 to rotate, thereby driving the steel pipe 200 to rotate;

In the sixth step, when the steel pipe 200 is advanced to the first working position, the first motor 243 is turned off, and the laser cutting mechanism 30 is started to perform synchronous cutting on the plurality of steel pipes 200 to complete the cutting process of the steel pipe 200 once;

In the seventh step, the laser cutting mechanism 30 is stopped, the first driving assembly 24 is activated, and when the steel pipe 200 is pushed to the second working position, the second cutting process is performed.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides an automatic laser cutting system of nonrust steel pipe in batches sets up in the installation face, its characterized in that, automatic laser cutting system of nonrust steel pipe in batches include:

the steel pipe clamping mechanism comprises at least two steel pipe clamping mechanisms which are arranged in parallel, wherein each steel pipe clamping mechanism can respectively clamp one steel pipe;

the rotary feeding mechanism is arranged at one end of the steel pipe clamping mechanism and is abutted against one end of the steel pipe, and the rotary feeding mechanism can push the steel pipe to move along the steel pipe clamping mechanism and drive the steel pipe;

and the laser cutting mechanism is arranged at the other end, opposite to the feeding mechanism, of the steel pipe clamping mechanism and can cut the steel pipe.

2. The automatic laser cutting system for the batch of stainless steel tubes according to claim 1, wherein the steel tube clamping mechanism comprises a clamping cylinder and a plurality of clamping assemblies arranged on the side surface of the clamping cylinder, and the clamping assemblies are uniformly arranged around the clamping cylinder and used for clamping the steel tubes in the clamping cylinder.

3. The automatic laser cutting system of batch of stainless steel tubes of claim 2, wherein the clamping assembly comprises: perpendicular to first holder, first clamp plate, the drive actuating cylinder that is used for the drive that the clamp plate is flexible that the double-layered cartridge axis direction set up, first guide slot has been seted up on the first clamp plate, first holder stretches into in the guide slot, along with the removal of first clamp plate, can drive first holder is along the perpendicular to it is flexible to press from both sides cartridge axis direction.

4. The automatic laser cutting system for the batch of stainless steel tubes according to claim 3, wherein the clamping assembly further comprises a connecting rod, a second pressing plate and a second clamping piece, the connecting rod is fixedly connected with the first pressing plate and the second pressing plate, a second guide groove is formed in the second pressing plate, the second clamping piece extends into the second guide groove, the second clamping piece can be driven to stretch and retract along the direction perpendicular to the axis of the clamping cylinder along with the movement of the second pressing plate, and the first guide groove and the second guide groove are arranged in parallel.

5. The automatic laser cutting system for the batch of stainless steel pipes according to claim 1, wherein the rotary feeding mechanism comprises a guide rail, a support frame, a plurality of clamping propulsion assemblies, a first driving assembly and a second driving assembly, the clamping propulsion assemblies are arranged on the support frame, the support frame can slide along the guide rail under the driving of the first driving assembly and synchronously drive the clamping propulsion assemblies to move so as to push the steel pipes to move, and the second driving assembly can drive the clamping propulsion assemblies to rotate so as to drive the steel pipes to rotate.

6. The automatic laser cutting system for the batch of stainless steel tubes according to claim 5, wherein the clamping and pushing assembly comprises a first connecting plate, a second connecting plate, a third connecting plate, a telescopic cylinder, a limiting rod, a push rod, a pushing head, an elastic member, a plurality of first connecting rods and a plurality of second connecting rods, the first connecting plate is connected to the first driving assembly and can rotate under the driving of the first driving assembly, the second connecting plate and the third connecting plate are both arranged in parallel with the first connecting plate, one end of the telescopic cylinder is fixed to the first connecting plate, the other end of the telescopic cylinder is fixed to the second connecting plate, one end of the limiting rod is fixed to the first connecting plate and fixed to the third connecting plate through the second connecting plate, the push rod passes through the second connecting plate and the third connecting plate and is fixed to the pushing head, and one end of the push rod, which is far away from the pushing head, is provided with a limiting part, the elastic piece set up in between first connecting plate and the third connecting plate, it is a plurality of first connecting rod articulate respectively in first connecting plate, it is a plurality of what second connecting rod one end one-to-one articulated in the one end of first connecting rod, just the middle part of second connecting rod all with the second connecting plate is articulated, the pusher butt in the one end of steel pipe.

7. The automatic laser cutting system for the batch of stainless steel tubes according to claim 5, wherein the first driving assembly comprises at least one connecting block fixedly arranged on the supporting frame, a first lead screw in threaded connection with the connecting block, and a first motor driving the lead screw to rotate, and the first motor drives the first lead screw to rotate so as to push the supporting frame to slide along the guide rail.

8. The automatic laser cutting system for batch stainless steel tubes according to claim 5, wherein the second driving assembly comprises a second motor fixedly arranged on the supporting frame, a worm driven by the second motor to rotate, and at least one worm wheel rotatably connected to the supporting frame and meshed with the worm, wherein the worm wheel can drive the rotary feeding mechanism to rotate.

9. The automatic laser cutting system for the batch of stainless steel tubes according to claim 1, wherein the laser cutting mechanism comprises a vertical column, a third motor arranged on the vertical column, a second lead screw driven by the third motor to rotate, a cross beam in threaded connection with the second lead screw, and a laser head fixedly arranged on the cross beam, wherein the third motor can drive the second lead screw to rotate to drive the cross beam to move in the vertical direction.

10. A processing method of an automatic laser cutting system for batch stainless steel pipes is characterized in that the automatic laser cutting system for batch stainless steel pipes as claimed in any one of claims 1 to 9 is applied, the processing method of the automatic laser cutting system for batch stainless steel pipes comprises,

firstly, placing a steel pipe in a clamping cylinder of a steel pipe clamping mechanism;

secondly, starting a driving cylinder to enable the first clamping piece and the second clamping piece to clamp the steel pipe;

thirdly, starting the first driving component to enable the pushing head to be abutted against the steel pipe;

fourthly, starting a telescopic cylinder to enable a second connecting rod to clamp the steel pipe;

fifthly, the first driving assembly continues to push the steel pipe to the laser cutting mechanism, and meanwhile, the second driving assembly is started to synchronously drive the plurality of rotary feeding mechanisms to rotate so as to drive the steel pipe to rotate;

sixthly, when the steel pipe is pushed to the first working position, the first motor is turned off, the laser cutting mechanism is started to synchronously cut the steel pipes, and one-time cutting processing of the steel pipes is completed;

and step seven, stopping the laser cutting mechanism, starting the first driving assembly, and performing secondary cutting machining when the steel pipe is pushed to the second working position.

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