CN109176983B

CN109176983B - Automatic feeding and processing system and method for PVC pipes

Info

Publication number: CN109176983B
Application number: CN201811055428.0A
Authority: CN
Inventors: 曹玉娣
Original assignee: Xinfeng Innovation Metal Products Co Ltd
Current assignee: Xinfeng innovation metal products Co., Ltd
Priority date: 2018-09-11
Filing date: 2018-09-11
Publication date: 2020-09-18
Anticipated expiration: 2038-09-11
Also published as: CN109176983A

Abstract

The invention relates to an automatic PVC pipe feeding and processing system and a PVC pipe feeding and processing method, which comprise a bottom plate, a mounting frame, a storage device, a feeding device, a material pushing device and a crusher, wherein the mounting frame is mounted on the bottom plate, a square hole is formed in the middle of the mounting frame, the storage device is mounted in the square hole, the side wall of the storage device is connected with the feeding device, the material pushing device is arranged at the lower end of the feeding device, the crusher is arranged at the lower end of the material pushing device, the feeding device, the material pushing device and the crusher are all mounted on the bottom plate, and the storage device comprises a storage box, a guide frame, a partition. The PVC pipe crushing machine can solve the problems of manual feeding, potential safety hazards, high crushing difficulty, poor crushing effect and the like in the existing PVC pipe recovery and crushing process, can realize the function of automatic feeding in the PVC pipe crushing process, and has the advantages of no need of manual feeding, high safety degree, reduction of crushing difficulty, improvement of crushing effect and the like.

Description

Automatic feeding and processing system and method for PVC pipes

Technical Field

The invention relates to the technical field of PVC pipe processing, in particular to an automatic PVC pipe feeding and processing system and a PVC pipe feeding and processing method.

Background

PVC is a material for short, the main component is polyvinyl chloride, and other components are added to enhance the heat resistance, toughness and ductility of the PVC. It is a synthetic material that is enjoyed, popular and widely used in the world today. Its global usage is second highest among various synthetic materials. PVC pipe is made up by using polyvinyl chloride resin, stabilizing agent and lubricating agent through the processes of mixing, hot-pressing and extrusion forming. In order to meet the demand for PVC, it is often necessary to recycle PVC articles, including recycling PVC pipes. In PVC pipe recovery process, need smash the PVC pipe, at the less producer of some scales, crushing in-process need use artifical mode to continuously add the PVC pipe in to crushing apparatus, the cost of labor is higher, and at the pay-off in-process, staff's health or clothing may be drawn into in the crushing apparatus, there is certain potential safety hazard, and during artifical pay-off, everyone can only add the PVC pipe to crushing apparatus's a direction at every turn, make the PVC pipe pile up in a certain department at crushing apparatus in a large number, can't evenly arrange in crushing apparatus, thereby cause and smash inhomogeneous consequence, and the work quality is influenced.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides an automatic PVC pipe feeding and processing system and a PVC pipe feeding and processing method, which can solve the problems of manual feeding, potential safety hazards, high crushing difficulty, poor crushing effect and the like in the existing PVC pipe recovery and crushing process, can realize the automatic feeding function in the PVC pipe crushing process, and have the advantages of no need of manual feeding, high safety degree, reduction of crushing difficulty, improvement of crushing effect and the like.

The technical scheme adopted by the invention to solve the technical problem is as follows: an automatic feeding and processing system for PVC pipes comprises a bottom plate, a mounting frame, a material storage device, a feeding device, a material pushing device and a crusher, wherein the mounting frame is mounted on the bottom plate, a square hole is formed in the middle of the mounting frame, the material storage device is mounted in the square hole, the side wall of the material storage device is connected with the feeding device, the material pushing device is arranged at the lower end of the feeding device, the crusher is arranged at the lower end of the material pushing device, and the feeding device, the material pushing device and the crusher are mounted on the bottom plate; wherein:

the storage device comprises a storage box, a guide frame, a separation frame, a lifting cylinder and a lifting frame, wherein the storage box is arranged in a square hole formed in the middle of the mounting frame, the storage box is of a hollow cuboid structure with an opening at the upper end, square openings are formed in the upper ends of the front outer wall, the rear outer wall, the left outer wall and the right outer wall of the storage box, the guide frame is arranged on the outer side of each square opening, the separation frames are arranged on the front inner wall, the rear inner wall, the left inner wall and the right inner wall of the storage box respectively, the separation frame is of a U-shaped structure, lifting grooves are formed in the inner side walls of the separation frames respectively, the lifting cylinder is arranged at the lower end; the PVC pipe that will await measuring evenly places in four separate the mount of storage case, and the concertina movement through lift cylinder drives the crane upward movement at the uniform velocity, and when the PVC pipe on the crane moved to storage case square mouth department, the PVC pipe rolled outwards along the crane inclined plane, and under the guide effect of leading truck, the PVC pipe fell into the pay-off incasement.

The feeding device comprises a bearing bracket, a rotating gear ring, a rotating gear, a mounting bracket, a rotating motor, a conical column, a rotating gear, a driven gear, a feeding shaft, a feeding frame, a connecting frame and a feeding box, wherein the bearing bracket is arranged at the lower end of the storage box, the upper end of the bearing bracket is tightly attached to the upper end of the rotating gear ring, the rotating gear ring is of a hollow circular ring structure, the inner side of the rotating gear ring is uniformly provided with convex teeth along the circumferential direction, the rotating gear is meshed with the inner side of the convex teeth, the lower end of the rotating gear is arranged on the mounting bracket through a bearing, the mounting bracket is arranged at the lower end of the storage box, the upper end of the rotating gear is connected with an output shaft of the rotating motor, the rotating motor is arranged at the lower end of the storage box through a motor base, the conical column is uniformly arranged at the upper end of the rotating gear, the inner spiral grain is connected with the top end of the conical column in a sliding fit mode, the outer side of the rotary gear is meshed with the driven gear, the middle part of the driven gear is provided with a feeding shaft, the feeding shaft is of a U-shaped structure, feeding frames are symmetrically arranged at the front end and the rear end of the feeding shaft and comprise mounting rings and feeding rods, the mounting rings are arranged on the feeding shaft, the side wall of each mounting ring is uniformly provided with the feeding rods along the circumferential direction, the number of the feeding rods is four, the left end and the right end of the feeding shaft are connected with one end of each connecting frame through bearings, the other end of each connecting frame is arranged on the side wall of the feeding box, the inner side of each feeding box is provided with a feeding groove, the length of each feeding groove is larger than that of each feeding frame, one end of each feeding frame is located in each feeding groove, the; after the PVC pipe falls into the pay-off incasement, drive the running gear through rotating the motor and rotate, the running gear drives and rotates the ring gear rotation, rotate the ring gear rotation in-process, the awl post slides in the interior spiral line on the rotating gear inner wall, thereby drive the rotating gear and rotate, and then make the driven gear who meshes with the rotating gear also rotate, driven gear drives the pay-off axle and rotates, make the porter bar on the pay-off frame rotate, at the porter bar rotation in-process, can release the PVC pipe from the pay-off incasement one by one, can not once only release PVC pipe is whole, the degree of difficulty of carrying out shredding after having reduced, the crushing effect has been improved, and need not artifical pay-off, staff's health when avoiding artifical pay-off, the condition that the clothing was drawn into the rubbing crusher takes place, the security in the working process has been improved.

The material pushing device comprises a driving motor, a rotating block, a rotating disc, a rotating frame, a material pushing frame, a material placing groove and a supporting rod, wherein the driving motor is installed on the bottom plate through a motor base, an output shaft of the driving motor is connected with the lower end of the rotating block, the rotating disc is installed at the upper end of the rotating block, the rotating groove is formed in the side wall of the rotating disc, the rotating groove is connected with one end of the rotating frame through a hinge, the other end of the rotating frame is installed on the side wall of the material pushing frame through a hinge, the rotating frame is of a U-shaped structure, the material pushing frame is installed in the material pushing groove formed in the material placing groove; drive the turning block through driving motor and rotate, rotate the in-process at the turning block, the rotating turret drives the pushing frame and slides in the pushing trough, thereby can push away the PVC pipe of putting the silo to the rubbing crusher in, according to the difference of rotating turret and carousel position, the rotating turret drives the pushing frame and also differs at the distance that the pushing trough removed, thereby can be with different PVC pipe propelling movement to rubbing crusher different positions department, make the distribution of PVC pipe in the rubbing crusher more even, reach the purpose that improves crushing effect.

In addition, the invention provides a PVC pipe feeding and processing method of the PVC pipe automatic feeding and processing system, which comprises the following steps:

1. PVC pipes to be processed are uniformly placed in four separation frames of the storage box by workers, the lifting frames are driven to move upwards at a constant speed through the telescopic motion of the lifting cylinders, when the PVC pipes on the lifting frames move to the square opening of the storage box, the PVC pipes roll outwards along the inclined planes of the lifting frames, and the PVC pipes fall into the feeding box under the guiding action of the guide frames;

2. after the PVC pipes fall into the feeding box, the rotating gear is driven to rotate through the rotating motor, the rotating gear drives the rotating gear ring to rotate, in the rotating process of the rotating gear ring, the conical columns slide in the inner spiral threads on the inner wall of the rotating gear, so that the rotating gear is driven to rotate, further, the driven gear meshed with the rotating gear also rotates, the driven gear drives the feeding shaft to rotate, the feeding rod on the feeding frame rotates, in the rotating process of the feeding rod, the PVC pipes can be pushed out from the feeding box one by one, the PVC pipes cannot be pushed out all at one time, the difficulty of subsequent crushing processing is reduced, the crushing effect is improved, manual feeding is not needed, the situation that the bodies and clothes of workers are drawn into the crusher during manual feeding is avoided, and the safety in the working process is improved;

3. the PVC pipe falls on and puts the silo after, drive the turning block through driving motor and rotate, rotate the in-process at the turning block, the rotating turret drives the propelling movement frame and slides in pushing away the silo, thereby can push away the PVC pipe of putting the silo to the rubbing crusher in, according to the difference of rotating turret and carousel position, the rotating turret drives the pushing frame and also differs at the distance that pushes away the silo removal, thereby can be with different PVC pipe propelling movement to rubbing crusher different positions department, make the distribution of PVC pipe in the rubbing crusher more even, reach the purpose that improves crushing effect, can realize carrying out the reinforced function of automation at PVC pipe shredding in-process.

Compared with the prior art, the invention has the following advantages:

1. the PVC pipe crushing machine can solve the problems of manual feeding, potential safety hazard, high crushing difficulty, poor crushing effect and the like in the existing PVC pipe recovery and crushing process, can realize the function of automatic feeding in the PVC pipe crushing process, and has the advantages of no need of manual feeding, high safety degree, reduction of crushing difficulty, improvement of crushing effect and the like;

2. the PVC pipe conveying device is provided with the storage device, the lifting frame is driven to move upwards at a constant speed through the telescopic motion of the lifting cylinder, when the PVC pipe on the lifting frame moves to the square opening of the storage box, the PVC pipe rolls outwards along the inclined plane of the lifting frame, and the PVC pipe falls into the feeding boxes under the guiding action of the guide frame, so that the PVC pipe can be fed into four feeding boxes simultaneously, and the working efficiency is improved;

3. the feeding device is arranged, so that the PVC pipes can be pushed out from the feeding box one by one, the PVC pipes cannot be pushed out all at one time, the difficulty in crushing processing is reduced, the crushing effect is improved, manual feeding is not needed, the condition that the bodies and clothes of workers are involved in the crusher during manual feeding is avoided, and the safety in the working process is improved;

4. the invention is provided with the material pushing device, and the rotating rack drives the material pushing rack to move in different distances in the material pushing groove according to the different positions of the rotating rack and the rotating disc, so that different PVC pipes can be pushed to different positions of the crusher, the PVC pipes are more uniformly distributed in the crusher, and the purpose of improving the crushing effect is achieved.

Drawings

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

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the fitting between the mounting frame and the storing device of the present invention;

FIG. 3 is a schematic perspective view of the feeding device of the present invention;

fig. 4 is a schematic perspective view of the matching structure between the bottom plate and the pushing device.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

As shown in fig. 1 to 4, an automatic feeding and processing system for PVC pipes comprises a bottom plate 1, a mounting frame 2, a material storage device 3, a feeding device 4, a material pushing device 5 and a crusher 6, wherein the mounting frame 2 is mounted on the bottom plate 1, a square hole is formed in the middle of the mounting frame 2, the material storage device 3 is mounted in the square hole, the side wall of the material storage device 3 is connected with the feeding device 4, the material pushing device 5 is arranged at the lower end of the feeding device 4, the crusher 6 is arranged at the lower end of the material pushing device 5, and the feeding device 4, the material pushing device 5 and the crusher 6 are all mounted on the bottom; wherein:

the storage device 3 comprises a storage box 31, a guide frame 32, a partition frame 33, a lifting cylinder 34 and a lifting frame 35, the storage box 31 is arranged in a square hole formed in the middle of the mounting frame 2, the storage box 31 is of a hollow cuboid structure with an open upper end, square openings are formed in the upper ends of the front, rear, left and right outer walls of the storage box 31, the guide frame 32 is arranged on the outer side of each square opening, the partition frames 33 are arranged on the front, rear, left and right inner walls of the storage box 31, the partition frames 33 are of a U-shaped structure, lifting grooves are formed in the inner side walls of the partition frames 33, the lifting cylinder 34 is arranged at the lower end of the inner wall of the storage box 31, the lifting frame 35 is arranged at the top end of the lifting cylinder 34, the front; the PVC pipe that will await processing evenly places in four separate shelves 33 of storage case 31, and the concertina movement through lift cylinder 34 drives crane 35 upward movement at the uniform velocity, and when the PVC pipe on crane 35 moved to storage case 31 square mouth department, the PVC pipe rolled outwards along crane 35 inclined plane, and under the guide effect of leading truck 32, the PVC pipe fell into pay-off case 412 in, can be simultaneously to four pay-off incasement feeders 412 pay-off, improved work efficiency.

The feeding device 4 comprises a support bracket 41, a rotary gear ring 42, a rotary gear 43, a mounting bracket 44, a rotary motor 45, a conical column 46, a rotary gear 47, a driven gear 48, a feeding shaft 49, a feeding frame 410, a connecting frame 411 and a feeding box 412, wherein the support bracket 41 is mounted at the lower end of the storage box 31, the upper end of the support bracket 41 is closely attached to the upper end of the rotary gear ring 42, the rotary gear ring 42 is of a hollow circular ring structure, convex teeth are uniformly arranged on the inner side of the rotary gear ring 42 along the circumferential direction, the rotary gear 43 is meshed with the inner side of the convex teeth, the lower end of the rotary gear 43 is mounted on the mounting bracket 44 through a bearing, the mounting bracket 44 is mounted at the lower end of the storage box 31, the upper end of the rotary gear 43 is connected with an output shaft of the rotary motor 45, the rotary motor 45 is mounted at the lower end of the storage box 31 through a motor seat, the conical, the number of the rotating gears 47 is four, inner spiral threads are arranged on the inner wall of each rotating gear 47, the inner spiral threads are connected with the top end of the conical column 46 in a sliding fit mode, the outer side of each rotating gear 47 is meshed with the corresponding driven gear 48, a feeding shaft 49 is arranged in the middle of each driven gear 48, each feeding shaft 49 is of a U-shaped structure, feeding frames 410 are symmetrically arranged at the front end and the rear end of each feeding shaft 49, each feeding frame 410 comprises a mounting ring and a feeding rod, the mounting rings are mounted on the feeding shafts 49, the feeding rods are uniformly mounted on the side walls of the mounting rings along the circumferential direction of the side walls of the mounting rings, the number of the feeding rods is four, the left end and the right end of each feeding shaft 49 are connected with one end of the connecting frame 411 through bearings, the other end of the connecting frame 411 is mounted on the side walls of the feeding boxes 412, a feeding groove is formed, the positions of the feeding boxes 412 correspond to the positions of the guide frames 32 one by one, and the upper ends of the feeding boxes 412 are tightly attached to the lower ends of the guide frames 32; after the PVC pipe falls into the feeding box 412, the rotating gear 43 is driven to rotate by the rotating motor 45, the rotating gear 43 drives the rotating gear ring 42 to rotate, during the rotation of the rotary ring gear 42, the conical column 46 slides in the internal helical thread on the inner wall of the rotary gear 47, thereby driving the rotary gear 47 to rotate, further, the driven gear 48 engaged with the rotary gear 47 is also rotated, the driven gear 48 drives the feeding shaft 49 to rotate, so that the feeding rod on the feeding frame 410 is rotated, in the rotation process of the feeding rod, the PVC pipes can be pushed out from the feeding box 412 one by one without pushing out all the PVC pipes at one time, the difficulty of subsequent crushing processing is reduced, the crushing effect is improved, and manual feeding is not needed, the situation that the bodies and clothes of workers are rolled into the pulverizer 6 during manual feeding is avoided, and the safety in the working process is improved.

The material pushing device 5 comprises a driving motor 51, a rotating block 52, a rotating disc 53, a rotating frame 54, a material pushing frame 55, a material placing groove 56 and a supporting rod 57, the driving motor 51 is installed on the bottom plate 1 through a motor base, an output shaft of the driving motor 51 is connected with the lower end of the rotating block 52, the rotating disc 53 is installed at the upper end of the rotating block 52, the rotating groove is formed in the side wall of the rotating disc 53, the rotating groove is connected with one end of the rotating frame 54 through a hinge, the other end of the rotating frame 54 is installed on the side wall of the material pushing frame 55 through a hinge, the rotating frame 54 is of a U-shaped structure, the material pushing frame 55 is installed in the material pushing groove formed in the material placing groove 56 in a sliding fit; drive turning block 52 through driving motor 51 and rotate, in the turning block 52 rotation in-process, the rotating turret 54 drives the propelling movement frame and slides in pushing away the silo, thereby can push away the PVC pipe in putting silo 56 to rubbing crusher 6, according to the difference of rotating turret 54 and rotating disc 53 position, the distance that the rotating turret 54 drives pushing away work or material rest 55 and removes in pushing away the silo is also different, thereby can be with different PVC pipe propelling movement to rubbing crusher 6 different positions department, make the distribution of PVC pipe in rubbing crusher 6 more even, reach the purpose that improves crushing effect.

1. PVC pipes to be processed are uniformly placed in the four separation frames 33 of the storage box 31 by workers, the lifting frame 35 is driven to move upwards at a constant speed through the telescopic motion of the lifting cylinder 34, when the PVC pipes on the lifting frame 35 move to the square opening of the storage box 31, the PVC pipes roll outwards along the inclined plane of the lifting frame 35, and the PVC pipes fall into the feeding box 412 under the guiding action of the guide frame 32;

2. after the PVC pipe falls into the feeding box 412, the rotating gear 43 is driven to rotate by the rotating motor 45, the rotating gear 43 drives the rotating gear ring 42 to rotate, during the rotation of the rotary ring gear 42, the conical column 46 slides in the internal helical thread on the inner wall of the rotary gear 47, thereby driving the rotary gear 47 to rotate, further, the driven gear 48 engaged with the rotary gear 47 is also rotated, the driven gear 48 drives the feeding shaft 49 to rotate, so that the feeding rod on the feeding frame 410 is rotated, in the rotation process of the feeding rod, the PVC pipes can be pushed out from the feeding box 412 one by one without pushing out all the PVC pipes at one time, the difficulty of subsequent crushing processing is reduced, the crushing effect is improved, manual feeding is not needed, the situation that the bodies and clothes of workers are rolled into the crusher 6 during manual feeding is avoided, and the safety in the working process is improved;

3. after the PVC pipes fall into the material placing groove 56, the rotating block 52 is driven to rotate through the driving motor 51, in the rotating process of the rotating block 52, the rotating frame 54 drives the pushing frame to slide in the material pushing groove, so that the PVC pipes in the material placing groove 56 can be pushed into the crusher 6, the rotating frame 54 drives the material pushing frame 55 to move in different distances in the material pushing groove according to the difference between the positions of the rotating frame 54 and the rotating disc 53, different PVC pipes can be pushed to different positions of the crusher 6, the PVC pipes are distributed in the crusher 6 more uniformly, and the purpose of improving the crushing effect is achieved.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a PVC pipe autoloading system of processing, includes bottom plate (1), mounting bracket (2), storage device (3), material feeding unit (4), blevile of push (5) and rubbing crusher (6), its characterized in that: the mounting frame (2) is mounted on the bottom plate (1), a square hole is formed in the middle of the mounting frame (2), a storage device (3) is mounted in the square hole, the side wall of the storage device (3) is connected with a feeding device (4), a material pushing device (5) is arranged at the lower end of the feeding device (4), a crusher (6) is arranged at the lower end of the material pushing device (5), and the feeding device (4), the material pushing device (5) and the crusher (6) are mounted on the bottom plate (1); wherein:

the storage device (3) comprises a storage box (31), a guide frame (32), a partition frame (33), a lifting cylinder (34) and a lifting frame (35), the storage box (31) is installed in a square hole formed in the middle of the mounting frame (2), the storage box (31) is of a hollow cuboid structure with an opening at the upper end, square openings are formed in the upper ends of the front outer wall, the rear outer wall, the left outer wall and the right outer wall of the storage box (31), the guide frame (32) are installed on the outer sides of the square openings, the partition frame (33) is installed on the front inner wall, the rear inner wall, the left inner wall and the right inner wall of the storage box (31), the separation frame (33) is of a U-shaped structure, lifting grooves are formed in the inner side wall of the partition frame (33), the lifting cylinder (34) is installed at the lower end of the inner wall of the storage box;

the feeding device (4) comprises a support bracket (41), a rotating gear ring (42), a rotating gear (43), a mounting bracket (44), a rotating motor (45), a conical column (46), a rotating gear (47), a driven gear (48), a feeding shaft (49), a feeding frame (410), a connecting frame (411) and a feeding box (412), wherein the support bracket (41) is arranged at the lower end of the storage box (31), the upper end of the support bracket (41) is clung to the upper end of the rotating gear ring (42), the rotating gear ring (42) is of a hollow circular ring structure, the inner side of the rotating gear ring (42) is uniformly provided with convex teeth along the circumferential direction thereof, the upper inner side of the convex teeth is meshed with the rotating gear (43), the lower end of the rotating gear (43) is arranged on the mounting bracket (44) through a bearing, the mounting bracket (44) is arranged at the lower end of the storage box (31), the upper end of the rotating, the rotary motor (45) is arranged at the lower end of the storage box (31) through a motor base, the upper end of the rotary gear ring (42) is uniformly provided with conical columns (46) along the circumferential direction, the rotary gear ring (42) is uniformly provided with rotary gears (47) along the circumferential direction, the number of the rotary gears (47) is four, the inner wall of each rotary gear (47) is provided with inner spiral threads, the inner spiral threads are connected with the top ends of the conical columns (46) in a sliding fit mode, the outer side of each rotary gear (47) is meshed with the corresponding driven gear (48), the middle part of each driven gear (48) is provided with a feeding shaft (49), the front end and the rear end of each feeding shaft (49) are symmetrically provided with feeding frames (410), the left end and the right end of each feeding shaft (49) are connected with one end of the corresponding connecting frame (411) through bearings, the other end of the corresponding connecting frame (411), one end of the feeding frame (410) is positioned in the feeding groove, the feeding boxes (412) are arranged on the bottom plate (1), the positions of the feeding boxes (412) correspond to the positions of the guide frames (32) one by one, and the upper ends of the feeding boxes (412) are tightly attached to the lower ends of the guide frames (32);

the feeding frame (410) comprises mounting rings and feeding rods, the mounting rings are mounted on the feeding shaft (49), the feeding rods are uniformly mounted on the side wall of each mounting ring along the circumferential direction of the mounting ring, and the number of the feeding rods is four;

after the PVC pipes fall into the feeding box (412), the rotating gear (43) is driven to rotate through the rotating motor (45), the rotating gear (43) drives the rotating gear ring (42) to rotate, in the rotating process of the rotating gear ring (42), the conical columns (46) slide in the internal spiral threads on the inner wall of the rotating gear (47), so that the rotating gear (47) is driven to rotate, the driven gear (48) meshed with the rotating gear (47) also rotates, the driven gear (48) drives the feeding shaft (49) to rotate, the feeding rods on the feeding rack (410) rotate, and in the rotating process of the feeding rods, the PVC pipes can be pushed out from the feeding box (412) one by one;

the material pushing device (5) comprises a driving motor (51), a rotating block (52), a rotating disc (53), a rotating frame (54), a material pushing frame (55), a material placing groove (56) and a supporting rod (57), the driving motor (51) is installed on the bottom plate (1) through a motor base, an output shaft of the driving motor (51) is connected with the lower end of the rotating block (52), the upper end of the rotating block (52) is provided with a rotating disc (53), the side wall of the rotating disc (53) is provided with a rotating groove, the rotating groove is connected with one end of a rotating frame (54) through a hinge, the other end of the rotating frame (54) is installed on the side wall of a material pushing frame (55) through a hinge, the rotating frame (54) is of a U-shaped structure, the material pushing frame (55) is installed in a material pushing groove formed in the material placing groove (56) in a sliding fit mode, and the material placing groove (56) is installed on the bottom plate (1;

drive turning block (52) through driving motor (51) and rotate, rotate turning block (52) and rotate the in-process, rotating turret (54) drive the propelling movement frame and slide in pushing away the silo, thereby can push away the PVC pipe of putting in silo (56) to rubbing crusher (6), according to rotating turret (54) and the difference of rotating disc (53) position, rotating turret (54) drive pushing away the material frame (55) and push away the material inslot removal apart from also different, thereby can be with different PVC pipe propelling movement to rubbing crusher (6) different positions department.

2. The automatic feeding and processing system for PVC pipes according to claim 1, characterized in that: the front end, the rear end, the left end and the right end of the lifting frame (35) are all of inclined plane structures.

3. The automatic feeding and processing system for PVC pipes according to claim 1, characterized in that: the length of the feeding groove is larger than that of the feeding frame (410).

4. The automatic feeding and processing system for PVC pipes according to claim 1, characterized in that: the feeding shaft (49) is of a U-shaped structure.