阅读说明：本技术 一种变频空调制冷连接铜管制造工艺 (Manufacturing process of refrigeration connecting copper pipe of variable frequency air conditioner ) 是由 王通 柏艳敏 于 2020-12-22 设计创作，主要内容包括：本发明涉及一种变频空调制冷连接铜管制造工艺,其使用了一种去套打磨设备,该去套打磨设备包括底座、夹持装置、去套装置和打磨装置,所述的底座上端中部设置有夹持装置,底座上端设置有去套装置,底座上端前后对称设置有打磨装置；本发明通过多点环切再刮除的方法将空调管两端的软质套去除,从而解决了软质套与铜管之间的每点接触都是粘附为一体的,在对空调管两端的软质套进行切除时,难以一次将软质套直接裁去的问题；本发明在刮除软质套后再对铜管表面进行有效打磨。从而解决了铜管表面还残留有软质套的料渣的问题。(The invention relates to a manufacturing process of a refrigeration connecting copper pipe of a variable frequency air conditioner, which uses sleeve removing and polishing equipment, wherein the sleeve removing and polishing equipment comprises a base, a clamping device, a sleeve removing device and a polishing device, the clamping device is arranged in the middle of the upper end of the base, the sleeve removing device is arranged at the upper end of the base, and the polishing devices are symmetrically arranged at the front and the back of the upper end of the base; the soft sleeves at the two ends of the air conditioner pipe are removed by a multipoint circular cutting and scraping method, so that the problem that the soft sleeves are difficult to directly cut off at one time when the soft sleeves at the two ends of the air conditioner pipe are cut off because the soft sleeves and the copper pipe are adhered into a whole at each point contact is solved; the surface of the copper pipe is effectively polished after the soft sleeve is scraped. Thereby solving the problem that the surface of the copper pipe is still remained with the material slag of the soft sleeve.)

1. The utility model provides a variable frequency air conditioner refrigeration connection copper pipe manufacturing process, its used one kind to remove the cover equipment of polishing, should remove the cover equipment of polishing and include base (1), clamping device (2), remove set device (3) and grinding device (4), its characterized in that: the method for manufacturing the air conditioning pipe by adopting the sleeve removing and polishing equipment further comprises the following steps:

s1, equipment checking: before the sleeve removing and polishing equipment is started, carrying out conventional inspection on the equipment;

s2, clamping operation: the air-conditioning pipe is fixedly clamped through a clamping device (2);

s3, sleeve removing operation: cutting off the soft sleeves at two ends of the air conditioner pipe through a sleeve removing device (3);

s4, grinding: polishing the copper pipes exposed out of the two ends of the air-conditioning pipe by using a polishing device (4) so as to obtain a molded air-conditioning pipe;

the middle part of the upper end of the base (1) is provided with a clamping device (2), the upper end of the base (1) is provided with a sleeve removing device (3), and the upper end of the base (1) is symmetrically provided with polishing devices (4) in the front-back direction;

the clamping device (2) comprises a rotating seat (21), a sliding triangular block (22), a return spring (23), a triangular clamping groove (24), a sleeve pipe (25) and a clamping mechanism (26), wherein the middle part of the upper end of the base (1) is provided with a rotating groove, the rotating seat (21) is arranged on the inner wall of the lower end of the rotating groove through a bearing, the sliding triangular block (22) is arranged at the upper end and the lower end of the rotating seat (21) in a sliding mode, the return spring (23) is arranged at the inner end of the sliding triangular block (22), the triangular clamping groove (24) is uniformly arranged on the inner ring surface of the rotating groove, the sleeve pipe (25) is arranged at the upper end of the rotating seat (21), and the clamping mechanism (26) is uniformly arranged on the;

the clamping mechanism (26) comprises a bearing seat (261), a rotating plate (262), an extrusion spring (263), a friction plate (264), a torsion spring (265) and a material clamping inclined plate (266), the bearing seat (261) is uniformly arranged on the inner annular surface of the sleeve pipe (25) along the circumferential direction, the rotating plate (262) is arranged between two side walls of the bearing seat (261) through a bearing, the extrusion spring (263) is arranged between the rotating plate (262) and the inner annular surface of the sleeve pipe (25), the friction plate (264) is connected with the rotating plate (262) in a hinged mode, the torsion spring (265) is arranged between the friction plate (264) and the rotating plate (262), and the material clamping inclined plate (266) is uniformly arranged at the lower end of the friction plate (264) from left to right;

the sleeve removing device (3) comprises a driving motor (31), a rotary gear (32), a rotary column (33), a thread groove (34), a feeding seat (35), a sleeve removing sleeve (36), a driving mechanism (37) and a blanking mechanism (38), wherein the upper end of a base (1) is provided with a Contraband-shaped groove, the inner wall of the lower end of a Contraband-shaped groove is provided with the driving motor (31) through the motor seat, the right end of the output end of the driving motor (31) is provided with the rotary gear (32), the rotary column (33) is erected on the inner walls of the left end and the right end of a Contraband-shaped groove through a bearing, the rotary gear (32) is connected with the rotary column (33) in a meshing mode, the left side and the right side of the outer wall of the rotary column (33) are symmetrically provided with the thread groove (34), the feeding seat (35) is connected with the thread groove (34) in a threaded connection mode, the cutting mechanism (38) is connected with the sleeve removing sleeve (36) in a sliding mode;

actuating mechanism (37) include motor frame (371), turbine motor (372), rotate worm (373), rotatory turbine (374), orbit groove (375), rolling disc (376) and guide way (377), motor frame (371) sets up and is removing sleeve (36) upper end, be provided with turbine motor (372) through the motor cabinet on motor frame (371) front end inner wall, turbine motor (372) output rear end is provided with rotates worm (373), it has seted up the rotation chamber in sleeve (36) to remove, rotatory turbine (374) pass through the bearing setting on rotating chamber outer end inner wall, orbit groove (375) have evenly been seted up along circumference in rotatory turbine (374) inner, rolling disc (376) pass through the bearing setting on rotating chamber inner wall, guide way (377) have evenly been seted up along circumference on rolling disc (376) outer end inner wall.

2. The manufacturing process of the refrigerating connection copper pipe of the variable frequency air conditioner according to claim 1, which is characterized in that: the cutting mechanism (38) comprises a sliding feed rod (381), a ring cutter frame (382) and a cutting knife (383), the sliding feed rod (381) is connected with a track groove (375) in a sliding mode, the sliding feed rod (381) is connected with a guide groove (377) in a sliding mode, the ring cutter frame (382) is arranged at the right end of the sliding feed rod (381), and the cutting knife (383) is uniformly arranged at the inner end of the ring cutter frame (382) from left to right.

3. The manufacturing process of the variable frequency air conditioner refrigeration connecting copper pipe according to claim 2, characterized in that: the inner ring surface of the rotating disc (376) is uniformly provided with a cutter feeding groove from left to right, and the cutter (383) is connected with the cutter feeding groove in a sliding mode.

4. The manufacturing process of the refrigerating connection copper pipe of the variable frequency air conditioner according to claim 1, which is characterized in that: the outer wall of the rotating disc (376) is uniformly provided with friction teeth along the circumferential direction, the inner ring surface of the rotating cavity is uniformly provided with friction pads along the circumferential direction, and the friction teeth and the friction pads are arranged at intervals in a staggered mode.

5. The manufacturing process of the refrigerating connection copper pipe of the variable frequency air conditioner according to claim 1, which is characterized in that: grinding device (4) including grinding frame (41), grinding motor (42), drive roller (43), guide roll (44) and belt (45) of polishing, bilateral symmetry is provided with grinding frame (41) around base (1) upper end, grinding frame (41) outer end bilateral symmetry is provided with grinding motor (42) through the motor cabinet, grinding motor (42) output inner is provided with drive roller (43), guide roll (44) longitudinal symmetry passes through the bearing setting between grinding frame (41) front and back both ends inner wall, the cover is equipped with belt (45) of polishing on drive roller (43) and guide roll (44) outer wall.

6. The manufacturing process of the variable frequency air conditioner refrigeration connecting copper pipe according to claim 5, characterized in that: the left end and the right end of the polishing frame (41) are symmetrically provided with column-shaped feeding grooves.

Technical Field

The invention relates to the technical field of air conditioner accessory manufacturing, in particular to a manufacturing process of a refrigeration connecting copper pipe of a variable frequency air conditioner.

Background

The copper tube is also called copper tube. One type of non-ferrous metal pipe is a pressed and drawn seamless pipe. The copper pipe has possessed good electric conductivity, the characteristic of heat conductivity to air conditioner refrigeration pipe often adopts the copper pipe, simultaneously because the heat conductivility of copper pipe is outstanding, thereby often wraps up soft cover on the refrigeration copper pipe outer wall, and soft cover plays protection and heat preservation effect to the copper pipe.

The following problems often exist in the process of manufacturing the air conditioning duct: firstly, the soft sleeve is usually sleeved on the outer wall of the copper pipe in an extrusion molding mode, so that each point contact between the soft sleeve and the copper pipe is adhered into a whole, and the soft sleeve at two ends of the air conditioner pipe is difficult to directly cut off at one time; and secondly, after the soft sleeve on the outer wall of the copper pipe is removed in a cutting mode, the material slag of the soft sleeve is usually remained on the surface of the copper pipe.

Disclosure of Invention

The invention aims to provide a manufacturing process of a refrigeration connecting copper pipe of a variable frequency air conditioner, which has the advantages of performing circular cutting and polishing on the copper pipe at multiple points and the like and solves the problems.

The utility model provides a frequency conversion air conditioner refrigeration connection copper pipe manufacturing process, it has used a cover of removing equipment of polishing, should remove the cover equipment of polishing and include base, clamping device, remove cover device and grinding device, adopt above-mentioned cover of removing equipment of polishing to make the air conditioner pipe method still includes following step:

s1, equipment checking: before the sleeve removing and polishing equipment is started, carrying out conventional inspection on the equipment;

s2, clamping operation: fixing and clamping the air conditioning pipe through a clamping device;

s3, sleeve removing operation: cutting off the soft sleeves at two ends of the air conditioner pipe by a sleeve removing device;

s4, grinding: polishing the copper pipes exposed out of the two ends of the air-conditioning pipe by using a polishing device to obtain a molded air-conditioning pipe;

the middle part of the upper end of the base is provided with a clamping device, the upper end of the base is provided with a sleeve removing device, and the front and the back of the upper end of the base are symmetrically provided with polishing devices; the clamping device clamps the air conditioner pipe, the sleeve removing device aligns the air conditioner pipe inwards, soft sleeves at two ends of the air conditioner pipe are removed, and the copper pipe is polished through the polishing device, so that material residues on the surface of the copper pipe are removed.

The clamping device comprises a rotating seat, a sliding triangular block, a reset spring, triangular clamping grooves, a sleeve pipe and a clamping mechanism, wherein the middle part of the upper end of the base is provided with a rotating groove, the rotating seat is arranged on the inner wall of the lower end of the rotating groove through a bearing, the sliding triangular block is arranged at the upper end and the lower end of the rotating seat in a sliding mode, the reset spring is arranged at the inner end of the sliding triangular block, the triangular clamping grooves are uniformly formed in the inner annular surface of the rotating groove, the sleeve pipe is arranged at the upper end of the rotating seat, and the clamping mechanism is uniformly arranged on; the air conditioner pipe penetrates through the sleeve barrel manually, so that the air conditioner pipe is completely fixed through the clamping mechanism, the sliding triangular block is pushed by the reset spring to be clamped and fixed with the triangular clamping groove, and the rotating seat cannot be stressed and deviated when the air conditioner pipe is polished and stressed.

The clamping mechanism comprises a bearing seat, a rotating plate, an extrusion spring, a friction plate, a torsion spring and a material clamping inclined plate, wherein the bearing seat is uniformly arranged on the inner annular surface of the sleeve barrel along the circumferential direction; make the rotor plate conflict air conditioner intraductal surface through extrusion spring, rethread torsion spring drives the fixed air conditioner intraductal surface of card material swash plate multiple spot to prevent that the air conditioner pipe from sliding, and the slope centre gripping makes the air conditioner pipe can be to one end adjustment, and can follow the unloading of the sleeve pipe other end.

The sleeve removing device comprises a driving motor, a rotary gear, a rotating column, a thread groove, a feeding seat, a sleeve removing sleeve, a driving mechanism and a cutting mechanism, wherein the upper end of a base is provided with an Contraband-shaped groove, the inner wall of the lower end of a Contraband-shaped groove is provided with the driving motor through the motor seat, the right end of the output end of the driving motor is provided with the rotary gear, the rotating column is erected on the inner walls of the left end and the right end of a Contraband-shaped groove through a bearing, the rotary gear is connected with the rotating column through a meshing mode, the thread groove is symmetrically formed in the left side and the right side of the outer wall of the rotating column, the feeding seat is connected with the thread groove through a thread connection mode, the upper end of; the driving motor drives the thread groove to rotate through the rotating gear and the rotating column, so that the sleeve is driven to feed inwards through the thread groove and the threaded connection between the feeding seats, the air conditioner pipe is wrapped and is regular inwards, the soft sleeve is driven to be subjected to circular cutting by the driving mechanism, and after the soft sleeve is subjected to circular cutting by the cutting mechanism, the soft sleeve is scraped and discharged through the opening of the sleeve.

Actuating mechanism include the motor frame, the turbine motor, rotate the worm, rotatory turbine, the orbit groove, rolling disc and guide way, the motor frame sets up and is removing the sleeve upper end, be provided with the turbine motor through the motor cabinet on the motor frame front end inner wall, turbine motor output rear end is provided with rotates the worm, it has seted up the rotation chamber in the sleeve to remove, rotatory turbine passes through the bearing setting on rotating chamber outer end inner wall, the orbit groove has evenly been seted up along circumference in rotatory turbine inner, the rolling disc passes through the bearing setting on rotating chamber inner wall, the guide way has evenly been seted up along circumference on the rolling disc outer end inner wall. The track groove is driven through the cooperation of rotating worm and rotatory turbine to turbine motor to the cooperation through track groove and guide way drives the slip feed bar and opens and shuts and feed, when the slip feed bar contradicts to track groove both ends, drives the rolling disc rotation through the slip feed bar, thereby when the cutting knife is closed, it is rotatory to drive the cutting knife, carries out the multiple spot circular cutting to soft cover, thereby the resistance of soft cover is too big when preventing to strike off.

As a preferable scheme of the invention, the cutting mechanism comprises a sliding feed rod, a circular cutter frame and cutting knives, the sliding feed rod is connected with the track groove in a sliding mode, the sliding feed rod is connected with the guide groove in a sliding mode, the circular cutter frame is arranged at the right end of the sliding feed rod, and the cutting knives are uniformly arranged at the inner end of the circular cutter frame from left to right. The sliding feed rod drives the annular cutter rest and the cutting cutters to feed inwards, and when the rotating disc rotates, the cutting cutters perform multi-point annular cutting on the soft sleeve.

As a preferable scheme of the invention, the inner ring surface of the rotating disc is uniformly provided with the cutter feeding grooves from left to right, and the cutting knife is connected with the cutter feeding grooves in a sliding mode.

As a preferable scheme of the invention, the outer wall of the rotating disc is uniformly provided with friction teeth along the circumferential direction, the inner ring surface of the rotating cavity is uniformly provided with friction pads along the circumferential direction, and the friction teeth and the friction pads are arranged at intervals in a staggered mode. The friction teeth and the friction pads are matched to ensure that the rotating disc has great resistance when rotating, so that when the rotating turbine rotates, the sliding feed rod is preferentially driven to feed, and when the sliding feed rod collides with the end of the track groove, the rotating disc is driven to rotate.

According to a preferable scheme of the invention, the polishing device comprises polishing frames, polishing motors, driving rollers, guide rollers and polishing belts, the polishing frames are symmetrically arranged on the front side and the rear side of the upper end of the base, the polishing motors are symmetrically arranged on the left side and the right side of the outer end of the polishing frame through motor seats, the driving rollers are arranged on the inner ends of the output ends of the polishing motors, the guide rollers are symmetrically arranged between the inner walls of the front end and the rear end of the polishing frame through bearings, and the polishing belts are sleeved on the outer walls of the driving rollers. When three hornblocks that slide and triangle draw-in groove looks joint are fixed, the belt parcel copper pipe outer wall of polishing starts the polishing motor and polishes to the copper pipe surface, thereby it makes three hornblocks that slide and another triangle draw-in groove butt joint to the manual rotatory seat of rotation of rethread to make another belt of polishing polish the copper pipe another side, thereby carried out complete polishing to the copper pipe.

As a preferred scheme of the invention, the left end and the right end of the polishing frame are symmetrically provided with columnar feed chutes.

The rotating disc is connected with the lifting frame in a rotating mode.

(III) advantageous effects

1. The soft sleeves at the two ends of the air conditioner pipe are removed by a multipoint circular cutting and scraping method, so that the problem that the soft sleeves are difficult to directly cut off at one time when the soft sleeves at the two ends of the air conditioner pipe are cut off because the soft sleeves and the copper pipe are adhered into a whole at each point contact is solved; the surface of the copper pipe is effectively polished after the soft sleeve is scraped. Thereby solving the problem that the surface of the copper pipe is still remained with the material slag of the soft sleeve.

2. The track groove is driven to rotate by the matching of the rotating worm and the rotating worm wheel, so that the sliding feed rod is driven to open and close to feed by the matching of the track groove and the guide groove, when the sliding feed rod is abutted to two ends of the track groove, the rotating disc is driven to rotate by the sliding feed rod, and when the cutting knife is closed, the cutting knife is driven to rotate, and multi-point circular cutting is carried out on the soft sleeve, so that the resistance of the soft sleeve is prevented from being overlarge during scraping.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a process flow diagram of the present invention for making an air conditioning duct;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a cross-sectional view taken along section A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a cross-sectional view taken along section B-B of FIG. 3 in accordance with the present invention;

FIG. 5 is an enlarged view of a portion I of FIG. 4 in accordance with the present invention;

FIG. 6 is a schematic view of the drive mechanism and the blanking mechanism of the present invention;

FIG. 7 is a schematic view of the construction of the polishing apparatus of the present invention;

fig. 8 is a structural schematic view of an air-conditioning duct to which the present invention is directed;

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 8, a manufacturing process of a refrigeration connecting copper pipe of a variable frequency air conditioner uses a sleeve removing and polishing device, the sleeve removing and polishing device comprises a base 1, a clamping device 2, a sleeve removing device 3 and a polishing device 4, and the method for manufacturing the air conditioner pipe by using the sleeve removing and polishing device further comprises the following steps:

s1, equipment checking: before the sleeve removing and polishing equipment is started, carrying out conventional inspection on the equipment;

s2, clamping operation: the air conditioning pipe is fixedly clamped through the clamping device 2;

s3, sleeve removing operation: the soft sleeves at two ends of the air conditioner pipe are cut off by a sleeve removing device 3;

s4, grinding: polishing the copper pipes exposed out of the two ends of the air-conditioning pipe by using a polishing device 4 to obtain a molded air-conditioning pipe;

the middle part of the upper end of the base 1 is provided with a clamping device 2, the upper end of the base 1 is provided with a sleeve removing device 3, and the front and back of the upper end of the base 1 are symmetrically provided with polishing devices 4; the clamping device 2 clamps the air conditioner pipe, the sleeve removing device 3 aligns the air conditioner pipe inwards, soft sleeves at two ends of the air conditioner pipe are removed, and the copper pipe is polished through the polishing device 4, so that material residues on the surface of the copper pipe are removed.

The clamping device 2 comprises a rotating seat 21, a sliding triangular block 22, a reset spring 23, a triangular clamping groove 24, a sleeve barrel 25 and a clamping mechanism 26, wherein the middle part of the upper end of the base 1 is provided with a rotating groove, the rotating seat 21 is arranged on the inner wall of the lower end of the rotating groove through a bearing, the sliding triangular block 22 is arranged at the upper end and the lower end of the rotating seat 21 in a sliding mode, the reset spring 23 is arranged at the inner end of the sliding triangular block 22, the triangular clamping groove 24 is uniformly arranged on the inner annular surface of the rotating groove, the sleeve barrel 25 is arranged at the upper end of the rotating seat 21, and the clamping mechanism 26 is uniformly arranged; the air conditioning pipe is manually penetrated through the sleeve barrel 25, so that the air conditioning pipe is completely fixed through the clamping mechanism 26, the sliding triangular block 22 is pushed by the return spring 23 to be clamped and fixed with the triangular clamping groove 24, and the rotating seat 21 is not stressed and deviated when the air conditioning pipe is polished and stressed.

The clamping mechanism 26 comprises a bearing seat 261, a rotating plate 262, an extrusion spring 263, a friction plate 264, a torsion spring 265 and a material clamping inclined plate 266, the bearing seat 261 is uniformly arranged on the inner annular surface of the sleeve barrel 25 along the circumferential direction, the rotating plate 262 is arranged between two side walls of the bearing seat 261 through a bearing, the extrusion spring 263 is arranged between the rotating plate 262 and the inner annular surface of the sleeve barrel 25, the friction plate 264 is connected with the rotating plate 262 in a hinged mode, the torsion spring 265 is arranged between the friction plate 264 and the rotating plate 262, and the material clamping inclined plate 266 is uniformly arranged at the lower end of the friction plate 264 from left to right; make rotor plate 262 conflict air conditioner pipe surface through extrusion spring 263, rethread torsion spring 265 drives card material swash plate 266 multiple spot fixed air conditioner pipe surface to prevent that the air conditioner pipe from sliding, and the slope centre gripping makes the air conditioner pipe can be to one end adjustment, and can follow sleeve pipe 25 other end unloading.

The sleeve removing device 3 comprises a driving motor 31, a rotating gear 32, a rotating column 33, a thread groove 34, a feeding seat 35, a sleeve removing 36, a driving mechanism 37 and a cutting mechanism 38, wherein the upper end of the base 1 is provided with Contraband type grooves, the inner wall of the lower end of the Contraband type groove is provided with the driving motor 31 through the motor seat, the right end of the output end of the driving motor 31 is provided with the rotating gear 32, the rotating column 33 is erected on the inner walls of the left end and the right end of the Contraband type groove through a bearing, the rotating gear 32 is connected with the rotating column 33 in a meshing mode, the left side and the right side of the outer wall of the rotating column 33 are symmetrically provided with the thread groove 34, the feeding seat 35 is connected with the thread groove 34 in a threaded connection mode, the upper end of the feeding groove is provided with the sleeve removing; the driving motor 31 drives the thread groove 34 to rotate through the rotating gear 32 and the rotating column 33, so that the sleeve 36 is driven to feed inwards through the thread connection between the thread groove 34 and the feeding seat 35, the air conditioner pipe is wrapped and is regulated inwards, the cutting mechanism 38 is driven by the driving mechanism 37 to perform circular cutting removal on the soft sleeve, and after the soft sleeve is cut circularly by the cutting mechanism 38, the soft sleeve cut circularly is scraped and discharged through opening of the sleeve 36.

Actuating mechanism 37 include motor frame 371, turbine motor 372, rotate worm 373, rotatory turbine 374, orbit groove 375, rolling disc 376 and guide way 377, motor frame 371 sets up and is removing the 36 upper ends, be provided with turbine motor 372 through the motor cabinet on the motor frame 371 front end inner wall, turbine motor 372 output rear end is provided with rotates worm 373, it has seted up the rotation chamber in the sleeve 36 to remove, rotatory turbine 374 passes through the bearing setting on rotating chamber outer end inner wall, orbit groove 375 has evenly been seted up along circumference in rotatory turbine 374 inner, rolling disc 376 passes through the bearing setting on rotating chamber inner end inner wall, guide way 377 has evenly been seted up along circumference on the rolling disc 376 outer end inner wall. The worm gear motor 372 drives the track groove 375 through the cooperation of rotating worm 373 and rotatory turbine 374 and rotates to drive the slip feed rod 381 through the cooperation of track groove 375 and guide way 377 and open and shut and feed, when the slip feed rod 381 contradicts to track groove 375 both ends, it is rotatory to drive the rolling disc 376 through the slip feed rod 381, thereby when the cutting knife is closed, it is rotatory to drive the cutting knife, carry out the multiple spot circular cutting to soft cover, thereby the resistance of soft cover is too big when preventing to strike off.

The outer wall of the rotating disc 376 is uniformly provided with friction teeth along the circumferential direction, the inner ring surface of the rotating cavity is uniformly provided with friction pads along the circumferential direction, and the friction teeth and the friction pads are arranged at intervals in a staggered mode. The friction teeth and the friction pads cooperate to provide a large resistance to the rotation of the rotary disk 376, so that the sliding feed rod 381 is preferentially driven to feed when the rotary turbine 374 rotates, and the rotary disk 376 is driven to rotate when the sliding feed rod 381 collides with the end of the track groove 375.

The cutting mechanism 38 comprises a sliding feed rod 381, a ring cutter holder 382 and cutting knives 383, wherein the sliding feed rod 381 is connected with a track groove 375 in a sliding mode, the sliding feed rod 381 is connected with a guide groove 377 in a sliding mode, the ring cutter holder 382 is arranged at the right end of the sliding feed rod 381, and the cutting knives 383 are uniformly arranged at the inner end of the ring cutter holder 382 from left to right. The inner ring surface of the rotating disc 376 is uniformly provided with a cutter feeding groove from left to right, and the cutter 383 is connected with the cutter feeding groove in a sliding mode. The sliding feed rod 381 drives the ring cutter holder 382 and the cutters 383 to feed inwards, and when the rotating disc 376 rotates, the cutters 383 perform multi-point circular cutting on the soft sleeve.

Grinding device 4 including frame 41, grinding motor 42, drive roller 43, guide roll 44 and the belt 45 of polishing, bilateral symmetry is provided with frame 41 around base 1 upper end, 41 outer end bilateral symmetry of frame of polishing is provided with grinding motor 42 through the motor cabinet, grinding motor 42 output end inner is provided with drive roller 43, guide roll 44 longitudinal symmetry passes through the bearing setting between frame 41 front and back both ends inner wall of polishing, the cover is equipped with belt 45 of polishing on drive roller 43 and the guide roll 44 outer wall. The left end and the right end of the polishing frame 41 are symmetrically provided with column-shaped feeding grooves. When slip triangle piece 22 and triangle draw-in groove 24 looks joint are fixed, polishing belt 45 parcel copper pipe outer wall starts polishing motor 42 and polishes copper pipe surface, thereby it makes slip triangle piece 22 and another triangle draw-in groove 24 butt joint to rethread manual rotation seat 21 to make another polishing belt 45 polish the copper pipe another side, thereby carried out complete polishing to the copper pipe.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.