CN115673409A

CN115673409A - Accurate circular cutting equipment of communication solid-wall pipe body

Info

Publication number: CN115673409A
Application number: CN202211117869.5A
Authority: CN
Inventors: 吕建秋
Original assignee: Yangzhou Xinglong Plastic Co ltd
Current assignee: Yangzhou Xinglong Plastic Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-02-03

Abstract

The invention belongs to the technical field of pipeline cutting equipment, and particularly relates to accurate circular cutting equipment for a communication solid-wall pipe body. The invention can ensure that the circular cutting work of the pipeline can be operated continuously, change the traditional operation mode of manually controlling the feeding work of the pipeline and also change another operation mode of frequently moving circular cutting equipment, so that the cutting work of the pipeline is more automatic, thereby saving more time and labor, greatly improving the working efficiency, having wide application range of the equipment, realizing the work of automatically controlling the cutting length of the pipeline and being provided with a device for preventing the pipe from deflecting.

Description

Accurate circular cutting equipment of communication solid-wall pipe body

Technical Field

The invention belongs to the technical field of pipeline cutting equipment, and particularly relates to accurate circular cutting equipment for a communication solid-wall pipe body.

Background

At present, pipe cutting equipment is cutting equipment for cutting a pipeline into specified lengths according to use requirements, and the existing pipe cutting equipment comprises a grinding wheel cutting machine, a metal sheet cutting machine, a laser rotary cutting machine, a low-speed metal sheet rotary cutting machine and the like.

The problems existing in the prior art are as follows:

there are two cutting modes of operation in the existing pipe cutting work, the first: the cutting equipment is fixed, and pipes with specified lengths are required to be conveyed to the equipment manually and continuously; secondly, the method comprises the following steps: the pipeline is fixed, and need the artifical position that constantly changes cutting equipment and then realize the cutting work of tubular product, above-mentioned two kinds of modes all need artifical intervention to need the artifical corresponding article of constantly removing to realize the pipeline cutting, cutting work degree of automation is lower, the cutting process of pipeline does not possess the persistence, the mode of artifical intervention not only very spends time, still seriously loses staff physical power, and work efficiency is also not high.

Disclosure of Invention

The invention aims to provide accurate circular cutting equipment for a communication solid-wall pipe body, which can ensure that the circular cutting operation of a pipeline is operated continuously, change the traditional operation mode of manually controlling the feeding operation of the pipeline and also change another operation mode of frequently moving the circular cutting equipment, so that the cutting operation of the pipeline is more automatic, time and labor are saved, and the working efficiency is greatly improved.

The technical scheme adopted by the invention is as follows:

an accurate circular cutting device for a communication solid-wall pipe body comprises a circular cutting mechanism, wherein a fixing mechanism is fixedly arranged on one side of the circular cutting mechanism, an accurate feeding mechanism is fixedly arranged on one side, away from the circular cutting mechanism, of the fixing mechanism, an anti-rotation mechanism is arranged between the circular cutting mechanism and the fixing mechanism, and a communication pipe body penetrates through the inside of the fixing mechanism;

the ring cutting mechanism further comprises a first base, a first ring frame is fixedly arranged at the top of the first base, a first inner ring groove is formed in the first ring frame, an inner ring body is installed on the inner portion of the first inner ring groove in a rotating mode, assembling frames are fixedly arranged on the two sides of the outer wall of the inner ring body, a cutting machine body is assembled in the assembling frames in a sliding mode, the two cutting machine body is installed on one end, close to the cutting machine body, of the cutting machine body in a rotating mode, and a second motor used for driving the cutting machine body to rotate is installed on the side wall of the cutting machine body.

The fixed motor room that is provided with in outer wall one side of ring frame one, the inside fixed mounting of motor room has motor one, the output fixed mounting of motor one has gear one, the outer fixed surface cover of interior ring body is equipped with outer ring gear one, just outer ring gear one with gear one meshes mutually.

The inner guide rods are fixedly arranged on the inner walls of two sides of the assembling frame, threaded pipes are arranged on two sides of one end of the assembling frame, guide sleeves are arranged on the outer walls of two sides of the cutting machine body, the guide sleeves are movably sleeved on the outer surfaces of the inner guide rods, first screw rods are connected to the inner portions of the threaded pipes in a penetrating and screwing mode, sleeve plates are fixedly welded to one ends of the first screw rods, the sleeve plates are movably sleeved on the outer surfaces of the inner guide rods, and springs are arranged between the sleeve plates and the guide sleeves.

Fixed establishment still includes ring frame two, ring frame two's inside has seted up interior annular groove two, just the inside both sides of interior annular groove two are rotated and are installed the ring gear, and two ring gear subtend equipment, the inside equidistance of interior annular groove two is rotated and is installed interior screwed pipe, the equal fixed cover of surface of interior screwed pipe is equipped with outer ring gear two, just outer ring gear two is all simultaneously with two the ring gear meshes mutually, the inside one side of ring frame two is rotated and is installed the regulation screwed pipe, the same fixed cover of surface of regulation screwed pipe be equipped with ring gear engaged with outer ring gear two, just the regulation screwed pipe extends to the outside one end fixed mounting of ring frame two has the runner.

The inside of interior screwed pipe all runs through and the spiro union has screw rod two, screw rod two is close to the one end in the two centre of a circle of ring frame all rotates installs the strut, just the internal surface of strut rotates installs the auxiliary wheel, the other end of screw rod two all rotates and is connected with even board, the equal fixed welding in both sides of even board has the guide arm, just the guide arm all activity run through in two lateral walls of ring frame.

The accurate feeding mechanism further comprises a second base, outer pipes are fixedly arranged at two ends of the upper surface of the second base, inner rods are movably inserted in the outer pipes, a driving rack is assembled at the top ends of the inner rods, and driving wheels are rotatably mounted in the driving rack at equal intervals.

The equal fixed mounting in both sides of base two has cylinder one, just the output of cylinder one all with dirver frame fixed connection, dirver frame's one end is rotated and is installed the range finding wheel, dirver frame outer wall is located one side fixed mounting of range finding wheel has the rotation counter.

Prevent that favourable turn still includes cylinder two, the output fixed mounting of cylinder two has the wheel carrier, the inside of wheel carrier is rotated and is installed the laminating wheel, guide slot one and guide slot two have been seted up to a lateral wall symmetry of wheel carrier.

One side fixed mounting of laminating wheel has gear two, the both sides of gear two all mesh the equipment have the arc ratch, the equal fixed welding of lateral wall of arc ratch has the guide pin, just the guide pin run through in guide slot one.

Two the pipe is accomodate to the arc equal fixed arc that is provided with of outer wall of arc ratch, the arc is accomodate the inside equal movable insertion of pipe and is had an inner arc pole, the end of inner arc pole is all fixed and is provided with the friction disc, the arc is accomodate the lateral wall of pipe and has all been seted up guide slot three, the outer wall fixed weld of inner arc pole has the screw pipe, just the screw pipe runs through in proper order the guide slot three and guide slot two, the terminal movable spiro union of screw pipe has set screw.

The invention has the technical effects that:

(1) According to the invention, the communication pipe is fixed on the center of the circular center of the ring frame II and the ring frame I, then the communication pipe is linearly moved, finally, the cutting work is completed in the ring cutting mechanism, and the continuous operation of the ring cutting work of the pipeline can be realized through the continuous repeated feeding and ring cutting work, so that the traditional operation mode of manually controlling the feeding work of the pipeline is changed, the other operation mode of frequently moving the ring cutting equipment is changed, the cutting work of the pipeline is more automatic, the time and the labor are saved, and the working efficiency is greatly improved.

(2) According to the invention, through the arranged fixing mechanism, the communication pipe can be fixed on the center of the circular center of the ring frame II and the circular center of the ring frame I, the fixing operation is simple, pipes with different diameters can be fixed, the application range of the fixing mechanism is increased, and the arrangement of the auxiliary wheel can ensure that the pipes can be fixed without influencing the linear movement of the pipes.

(3) According to the invention, through the arranged accurate feeding mechanism, the work of automatically conveying the communication pipe can be realized, the moving distance of the communication pipe can be accurately obtained, and the length of the cut pipeline can be further determined.

(4) According to the invention, when the pipe is driven to rotate during the work of cutting the pipe by the cutting blade, the arc-shaped accommodating pipe in the corresponding direction is driven to move towards the pipe, the friction sheet is immediately attached to the outer wall of the pipe, and the rotating motion of the pipe of the communication pipe can be prevented in time by virtue of the friction force between the friction sheet and the outer wall of the pipe, so that the cutting blade can smoothly move around the outer wall of the pipe, and the pipe can be fully cut.

Drawings

FIG. 1 is a perspective view of an oblique front provided by an embodiment of the present invention;

FIG. 2 is a perspective view of the angled rear of the present invention;

FIG. 3 is an assembled and exploded view of the ring cutting mechanism provided by the embodiment of the present invention;

FIG. 4 is an assembled exploded view of the inner ring according to the embodiment of the present invention;

FIG. 5 is a block diagram of a cutting block provided by an embodiment of the present invention;

FIG. 6 is an assembled and exploded view of a securing mechanism provided in accordance with an embodiment of the present invention;

FIG. 7 is a block diagram of a precision feed mechanism provided by an embodiment of the present invention;

FIG. 8 is a block diagram of an anti-rotation mechanism provided by an embodiment of the present invention;

fig. 9 is an assembled and disassembled structure view of the wheel frame provided by the embodiment of the invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a communication pipe material; 2. a circular cutting mechanism; 201. a first base; 202. a first ring frame; 203. a first inner ring groove; 204. a motor chamber; 205. an inner ring body; 206. an outer gear ring I; 207. a first motor; 208. a first gear; 209. an assembly frame; 210. an inner guide rod; 211. a solenoid; 212. cutting the machine body; 213. a cutting blade; 214. a second motor; 215. a guide sleeve; 216. a first screw rod; 217. sheathing; 218. a spring; 3. a fixing mechanism; 301. a second ring frame; 302. a toothed ring; 303. an inner solenoid; 304. a second external gear ring; 305. a second screw; 306. a rotating wheel; 307. a support frame; 308. an auxiliary wheel; 309. connecting plates; 310. a guide bar; 4. a precision feeding mechanism; 401. a second base; 402. an outer tube; 403. an inner rod; 404. a drive chassis; 405. a drive wheel; 406. a first cylinder; 407. a distance measuring wheel; 408. rotating a counter; 5. an anti-rotation mechanism; 501. a second air cylinder; 502. a wheel carrier; 503. a laminating wheel; 504. a first guide groove; 505. a second guide groove; 506. a second gear; 507. an arc-shaped toothed bar; 508. a guide pin; 509. an arc-shaped receiving pipe; 510. an inner arc rod; 511. a friction plate; 512. a third guide groove; 513. a screw tube; 514. and fixing the screw.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

As shown in fig. 1-9, an accurate circular cutting device for a communication solid-wall pipe body comprises a circular cutting mechanism 2, a fixing mechanism 3 is fixedly arranged on one side of the circular cutting mechanism 2, an accurate feeding mechanism 4 is fixedly arranged on one side, far away from the circular cutting mechanism 2, of the fixing mechanism 3, an anti-rotation mechanism 5 is arranged between the circular cutting mechanism 2 and the fixing mechanism 3, and a communication pipe 1 penetrates through the inside of the fixing mechanism 3.

According to the above structure: the annular cutting mechanism 2 is used for cutting the communication pipe 1, the fixing mechanism 3 is used for fixing the communication pipe 1 during cutting, the accurate feeding mechanism 4 is used for conveying the communication pipe 1 with a certain length and size, and the anti-rotation mechanism 5 is used for preventing the communication pipe 1 from deflecting during cutting.

The first embodiment is as follows:

referring to fig. 3 and 5, circular cutting mechanism 2 still includes base one 201, the fixed ring frame one 202 that is provided with in top of base one 201, inner ring groove one 203 has been seted up to the inside of ring frame one 202, inner ring body 205 is installed in the inside rotation of inner ring groove one 203, the outer wall both sides of inner ring body 205 are all fixed and are provided with equipment frame 209, the inside of equipment frame 209 is all slided and is assembled and is had cutting organism 212, the one end that two cutting organisms 212 are close to mutually all rotates and installs cutting blade 213, two motors 214 that are used for driving cutting blade 213 rotation are all installed to the lateral wall of cutting organism 212.

Referring to fig. 3, a motor chamber 204 is fixedly arranged on one side of the outer wall of the first ring frame 202, a first motor 207 is fixedly arranged inside the motor chamber 204, a first gear 208 is fixedly arranged at the output end of the first motor 207, a first external gear ring 206 is fixedly arranged on the outer surface of the inner ring body 205, and the first external gear ring 206 is meshed with the first gear 208.

Referring to fig. 4 and 5, inner guide rods 210 are fixedly arranged on inner walls of two sides of an assembling frame 209, screw pipes 211 are arranged on two sides of one end of the assembling frame 209, guide sleeves 215 are arranged on outer walls of two sides of a cutting machine body 212, the guide sleeves 215 are movably sleeved on outer surfaces of the inner guide rods 210, screw rods 216 penetrate through and are screwed in the screw pipes 211, sleeve plates 217 are fixedly welded on one ends of the screw rods 216, the sleeve plates 217 are movably sleeved on outer surfaces of the inner guide rods 210, and springs 218 are arranged between the sleeve plates 217 and the guide sleeves 215.

According to the above structure: after the communication tube 1 is fixed, firstly, rotating the first screw 216 to enable the cutting machine body 212 to slide in the assembling frame 209, and enabling the cutting blade 213 to be attached to the outer wall of the communication tube 1, wherein the spring 218 is extruded in the process, so as to ensure that the cutting blade 213 can penetrate through the tube wall of the communication tube 1; then, the first motor 207 and the second motor 214 are started simultaneously, the first motor 207 works to enable the first gear 208 to rotate, the first outer gear ring 206 is meshed with the first gear ring 208 to enable the inner ring body 205 to rotate inside the first inner ring groove 203, the second motor 214 works to drive the cutting blade 213 to rotate, and at the moment, the rotating cutting blade 213 can perform circular motion along the pipe wall of the communication pipe material 1, and therefore the communication pipe material 1 can be cut circularly.

Referring to fig. 6, the fixing mechanism 3 further includes a second ring frame 301, a second inner ring groove is formed in the second ring frame 301, the two inner sides of the second inner ring groove are rotatably provided with the toothed rings 302, the two toothed rings 302 are assembled oppositely, the inner portion of the second inner ring groove is rotatably provided with the inner screwed pipe 303 at equal intervals, the outer surface of the inner screwed pipe 303 is fixedly sleeved with a second outer toothed ring 304, the second outer toothed ring 304 is simultaneously meshed with the two toothed rings 302, the adjusting screwed pipe is rotatably arranged on one side of the second ring frame 301, the outer surface of the adjusting screwed pipe is also fixedly sleeved with a second outer toothed ring 304 meshed with the toothed rings 302, and the adjusting screwed pipe extends to one end of the second ring frame 301, and the rotating wheel 306 is fixedly arranged at the outer end.

Referring to fig. 6, a second screw 305 penetrates through and is screwed in the inner spiral tube 303, a bracket 307 is rotatably installed at one end of the second screw 305 close to the center of the second ring frame 301, an auxiliary wheel 308 is rotatably installed on the inner surface of the bracket 307, a connecting plate 309 is rotatably connected to the other end of the second screw 305, guide rods 310 are fixedly welded to two sides of the connecting plate 309, and the guide rods 310 movably penetrate through the side wall of the second ring frame 301.

According to the above structure: fixing the communication pipe 1 inside the fixing mechanism 3, firstly passing the communication pipe 1 through the second ring frame 301, then rotating the rotating wheel 306 to make the adjusting screw pipe drive the second outer gear ring 304 to rotate, and through the engagement between the gear ring 302 and the second outer gear ring 304, at this time, the two gear rings 302 will simultaneously rotate inside the second inner ring groove, and because the other second outer gear rings 304 are engaged with the two gear rings 302, all the inner screw pipes 303 inside the edge of the second ring frame 301 will simultaneously rotate, and then by means of the guide rod 310 and the guide structure of the second ring frame 301, each second screw rod 305 will simultaneously gather and move to the center of the second ring frame 301, at this time, each strut 307 will drive the auxiliary wheel 308 to simultaneously abut against the outer wall of the communication pipe 1.

Referring to fig. 7, the precision feeding mechanism 4 further includes a second base 401, outer tubes 402 are fixedly arranged at two ends of the upper surface of the second base 401, inner rods 403 are movably inserted into the outer tubes 402, a driving rack 404 is assembled at the top ends of the two inner rods 403 together, and driving wheels 405 are installed inside the driving rack 404 in a rotating mode at equal intervals.

Referring to fig. 7, a first cylinder 406 is fixedly mounted on each of two sides of a second base 401, an output end of the first cylinder 406 is fixedly connected with a driving frame 404, a distance measuring wheel 407 is rotatably mounted at one end of the driving frame 404, and a rotary counter 408 is fixedly mounted on one side of the outer wall of the driving frame 404, which is located on the distance measuring wheel 407.

According to the above structure: the first air cylinder 406 is started to enable the driving wheel 405 in the driving rack 404 to be attached to the outer wall of the communication pipe 1, then the driving rack 404 is controlled to enable the driving wheel 405 to rotate, the communication pipe 1 can be transported linearly, one end of the pipe is inserted into the first ring frame 202, the distance measuring wheel 407 is attached to and rotates together with the pipe when the pipe moves, the rotating number of turns of the distance measuring wheel 407 can be recorded by the rotating counter 408, and then the linear displacement of the communication pipe 1 can be calculated according to the distance measuring wheel 407.

The working principle of the invention is as follows: firstly: fixing the communication pipe 1 inside the fixing mechanism 3, firstly, the communication pipe 1 penetrates through the second ring frame 301, then the rotating wheel 306 is rotated to enable the adjusting solenoid to drive the second outer gear ring 304 to rotate, and through the meshing between the gear ring 302 and the second outer gear ring 304, the two gear rings 302 simultaneously rotate inside the second inner ring groove, and because the other second outer gear rings 304 are meshed with the two gear rings 302, all the inner solenoids 303 inside the edge of the second ring frame 301 simultaneously rotate, and then by means of the guide rod 310 and the guide structure of the second ring frame 301, each second screw 305 simultaneously gathers and moves to the circle center of the second ring frame 301, at the moment, each strut 307 drives the auxiliary wheel 308 to simultaneously abut against the outer wall of the communication pipe 1, so that the communication pipe 1 can be fixed on the circle center of the second ring frame 301 and the first ring frame 202, the fixing operation is simple, the pipes with different diameters can be fixed, the application range of the fixing mechanism 3 is increased, and the arrangement of the auxiliary wheel 308 can ensure that the pipes can linearly move on the premise of fixing;

then: the method comprises the steps that firstly, a first air cylinder 406 is started to enable a driving wheel 405 in a driving rack 404 to be attached to the outer wall of a communication pipe 1, then, the driving rack 404 is controlled to enable the driving wheel 405 to rotate, the communication pipe 1 can be transported linearly, one end of the pipe is inserted into a first ring frame 202, when the pipe moves, a distance measuring wheel 407 is attached to the pipe and rotates together with the pipe, a rotating counter 408 can count the number of rotating circles of the distance measuring wheel 407, linear displacement of the communication pipe 1 can be calculated according to the distance measuring wheel 407, when the pipe moves for a certain length, the driving wheel 405 stops rotating, the accurate feeding mechanism 4 can achieve automatic conveying of the communication pipe 1, the moving distance of the communication pipe 1 can be accurately obtained, and the length of the cut pipe can be determined;

and finally: after the communication pipe 1 is fixed, firstly rotating the first screw 216 to enable the cutting machine body 212 to slide in the assembling frame 209, and enabling the cutting blade 213 to be attached to the outer wall of the communication pipe 1, wherein the spring 218 is extruded in the process to ensure that the cutting blade 213 can penetrate through the pipe wall of the communication pipe 1; then, the first motor 207 and the second motor 214 are started simultaneously, the first motor 207 operates to rotate the first gear 208, the first outer gear ring 206 is meshed with the first gear 208 to rotate the inner ring body 205 inside the first inner ring groove 203, the second motor 214 operates to drive the cutting blade 213 to rotate, and at this time, the rotating cutting blade 213 can perform circular motion along the pipe wall of the communication pipe material 1, so as to realize the operation of circularly cutting the communication pipe material 1.

Above-mentioned process, through constantly pay-off repeatedly, circular cutting work, can make the function of the circular cutting work continuation of pipeline, change the operation mode of traditional manual control pipeline pay-off work, still change another kind of frequently move the operation mode of circular cutting equipment, make the cutting work of pipeline more have the automation to labour saving and time saving more, and work efficiency improves greatly.

Example two:

referring to fig. 8 and 9, the anti-rotation mechanism 5 further includes a second cylinder 501, a second wheel frame 502 is fixedly mounted at an output end of the second cylinder 501, a fitting wheel 503 is rotatably mounted inside the second wheel frame 502, and a first guide groove 504 and a second guide groove 505 are symmetrically formed on a side wall of the second wheel frame 502.

Referring to fig. 9, a second gear 506 is fixedly mounted on one side of the bonding wheel 503, two sides of the second gear 506 are respectively engaged and assembled with an arc-shaped toothed bar 507, a guide pin 508 is fixedly welded on a side wall of the arc-shaped toothed bar 507, and the guide pin 508 penetrates through the first guide groove 504.

Referring to fig. 9, the outer walls of the two arc-shaped toothed bars 507 are all fixedly provided with an arc accommodating pipe 509, the arc accommodating pipe 509 is internally and movably inserted with an inner arc bar 510, the tail end of the inner arc bar 510 is fixedly provided with a friction plate 511, the arc accommodating pipe 509 has a side wall provided with a guide groove III 512, the outer wall of the inner arc bar 510 is fixedly welded with a screw pipe 513, the screw pipe 513 sequentially penetrates through the guide groove III 512 and the guide groove II 505, and the tail end of the screw pipe 513 is movably screwed with a fixing screw 514.

According to the above structure: in the work of cutting the tubular product with the cutting blade 213, when the tubular product is driven and rotated, the fitting wheel 503 fitted with the tubular product will rotate, at this moment, the second gear 506 will also rotate, because the second gear 506 is engaged with the arc-shaped toothed bar 507, the arc-shaped toothed bar 507 will also correspondingly move, and the guide pin 508 will move along the direction of the first guide groove 504, at this moment, the arc-shaped containing pipe 509 in the corresponding direction will be driven and move towards the tubular product direction, and the friction plate 511 will immediately cling to the outer wall of the tubular product

The working principle of the invention is as follows: when the circular cutting operation is carried out, firstly, the second air cylinder 501 is started to enable the wheel frame 502 to move upwards, the laminating wheel 503 is enabled to be tightly laminated with the outer pipe wall of the communication pipe 1, then, the fixing screw 514 is loosened, the screw pipe 513 is moved, the inner arc rod 510 moves inside the arc accommodating pipe 509, finally, the friction plate 511 is enabled to be close to but not be adhered with the communication pipe 1, and finally, the fixing screw 514 is screwed to enable the inner arc rod 510 to be fixed;

in the work of cutting the pipe by the cutting blade 213, when the pipe is driven and rotates, the laminating wheel 503 which is laminated with the pipe rotates, at the moment, the gear two 506 also rotates, because the gear two 506 is meshed with the arc-shaped toothed bar 507, the arc-shaped toothed bar 507 also correspondingly moves, and the guide pin 508 moves along the direction of the guide groove one 504, at the moment, the arc-shaped containing pipe 509 in the corresponding direction can be driven and moves towards the pipe direction, the friction plate 511 can immediately cling to the outer wall of the pipe, and by means of the friction force between the friction plate 511 and the outer wall of the pipe, the rotation motion of the communication pipe 1 can be prevented in time, so that the cutting blade 213 can smoothly move around the outer wall of the pipe, and the pipe can be fully cut.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and amendments can be made without departing from the principle of the present invention, and these modifications and amendments should also be considered as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides an accurate ring cutting equipment of real wall pipe body of communication, includes ring cutting mechanism (2), its characterized in that: a fixing mechanism (3) is fixedly arranged on one side of the circular cutting mechanism (2), a precise feeding mechanism (4) is fixedly arranged on one side, away from the circular cutting mechanism (2), of the fixing mechanism (3), an anti-rotation mechanism (5) is arranged between the circular cutting mechanism (2) and the fixing mechanism (3), and a communication pipe (1) penetrates through the inside of the fixing mechanism (3);

the ring cutting mechanism (2) further comprises a first base (201), a first ring frame (202) is fixedly arranged at the top of the first base (201), a first inner ring groove (203) is formed in the first ring frame (202), an inner ring body (205) is installed in the first inner ring groove (203) in a rotating mode, an assembly frame (209) is fixedly arranged on the two sides of the outer wall of the inner ring body (205), a cutting machine body (212) is assembled in the assembly frame (209) in a sliding mode, two cutting blades (213) are installed in one end, close to the cutting machine body (212), of the cutting machine body (212) in a rotating mode, and a second motor (214) used for driving the cutting blades (213) to rotate is installed on the side wall of the cutting machine body (212).

2. The apparatus of claim 1, wherein the apparatus comprises: the fixed motor room (204) that is provided with in outer wall one side of ring frame (202), the inside fixed mounting of motor room (204) has motor (207), the output fixed mounting of motor (207) has gear (208), the external fixed surface cover of interior ring member (205) is equipped with outer ring gear (206), just outer ring gear (206) with gear (208) mesh mutually.

3. The apparatus of claim 2, wherein the apparatus comprises: the inner guide rods (210) are fixedly arranged on the inner walls of two sides of the assembling frame (209), screw pipes (211) are arranged on two sides of one end of the assembling frame (209), guide sleeves (215) are arranged on the outer walls of two sides of the cutting machine body (212), the guide sleeves (215) are movably sleeved on the outer surface of the inner guide rods (210), screw rods (216) are penetrated and screwed in the screw pipes (211), sleeve plates (217) are fixedly welded at one ends of the screw rods (216), the sleeve plates (217) are movably sleeved on the outer surface of the inner guide rods (210), and springs (218) are arranged between the sleeve plates (217) and the guide sleeves (215).

4. The apparatus of claim 1, wherein the apparatus comprises: fixed establishment (3) still include ring frame two (301), ring frame two (301) inside has been seted up to ring frame two (301) interior annular groove two, just the inside both sides of interior annular groove two are rotated and are installed ring gear (302), and two ring gear (302) subtend equipment, the inside equidistance of interior annular groove two is rotated and is installed interior screwed pipe (303), the equal fixed cover in surface of interior screwed pipe (303) is equipped with outer ring gear two (304), just outer ring gear two (304) all simultaneously with two ring gear (302) mesh mutually, the inside one side rotation of ring frame two (301) is installed and is adjusted the screwed pipe, the same fixed cover in surface of adjusting the screwed pipe be equipped with ring gear (302) mesh mutually outer ring gear two (304), just it extends to adjust the screwed pipe the outside one end fixed mounting of ring frame two (301) has runner (306).

5. The apparatus of claim 4 for accurate circular cutting of solid-wall tube body in communication, wherein: the inside of interior screwed pipe (303) all runs through and the spiro union has screw rod two (305), screw rod two (305) are close to the one end of the second (301) centre of a circle of ring frame all rotates and installs strut (307), just the internal surface of strut (307) rotates and installs auxiliary wheel (308), the other end of screw rod two (305) all rotates and is connected with even board (309), the equal fixed welding in both sides of even board (309) has guide arm (310), just guide arm (310) all activity run through in the second (301) lateral wall of ring frame.

6. The apparatus of claim 1, wherein the apparatus comprises: the accurate feeding mechanism (4) further comprises a second base (401), outer pipes (402) are fixedly arranged at two ends of the upper surface of the second base (401), inner rods (403) are movably inserted in the outer pipes (402), two driving frames (404) are assembled at the top ends of the inner rods (403) together, and driving wheels (405) are installed on the driving frames (404) in a rotating mode at equal intervals in the inner portions.

7. The apparatus of claim 6, wherein the apparatus comprises: the equal fixed mounting in both sides of base two (401) has cylinder one (406), just the output of cylinder one (406) all with drive frame (404) fixed connection, the one end of drive frame (404) is rotated and is installed range finding wheel (407), drive frame (404) outer wall is located one side fixed mounting of range finding wheel (407) has rotation counter (408).

8. The apparatus of claim 1, wherein the apparatus comprises: the anti-rotation mechanism (5) further comprises a second cylinder (501), a second wheel frame (502) is fixedly mounted at the output end of the second cylinder (501), a fitting wheel (503) is mounted inside the second wheel frame (502) in a rotating mode, and a first guide groove (504) and a second guide groove (505) are symmetrically formed in one side wall of the second wheel frame (502).

9. The apparatus of claim 8, wherein the apparatus comprises: one side fixed mounting of laminating wheel (503) has gear two (506), the both sides of gear two (506) all mesh the equipment have arc tooth pole (507), the lateral wall of arc tooth pole (507) all fixed welding have guide pin (508), just guide pin (508) run through in guide slot one (504).

10. The apparatus of claim 9, wherein the apparatus comprises: two the outer wall of arc ratch (507) all is fixed and is provided with the arc and accomodates pipe (509), the arc is accomodate the inside of pipe (509) and all has inserted inner arc pole (510) movably, the end of inner arc pole (510) is all fixed friction disc (511) of being provided with, the arc is accomodate the lateral wall of pipe (509) and has all been seted up guide slot three (512), the outer wall fixed weld of inner arc pole (510) has screw pipe (513), just screw pipe (513) run through in proper order guide slot three (512) and guide slot two (505), the terminal activity spiro union of screw pipe (513) has set screw (514).