CN118682948A - Waste plastic film recycling and processing device - Google Patents

Abstract

The invention relates to the technical field of plastic film recovery, in particular to a waste plastic film recovery processing device, which comprises: the inner wall of the supporting shell is fixedly connected with a protective shell, and a feed hopper is fixedly embedded in the top of the protective shell; the recovery crushing assembly is arranged in the protective shell and is used for crushing and recovering waste plastic films entering the support shell from the feed hopper. According to the invention, the annular screen basket drives the interception plate to rotate, waste plastic film fragments roll continuously on the inner wall of the annular screen basket and are screened, the waste plastic film fragments which do not pass through the screen holes of the annular screen basket can be driven by the interception plate to fall between the two side plates again, and crushing treatment is carried out again by matching the crushing movable teeth with the crushing fixed teeth until the waste plastic film fragments can pass through the screen holes of the annular screen basket, so that the purpose of screening the waste plastic film fragments is realized.

Description

Waste plastic film recycling and processing device

Technical Field

The invention relates to the technical field of plastic film recycling, in particular to a waste plastic film recycling and processing device.

Background Art

The waste plastic recycling industry is developing rapidly. When recycling waste plastic films, the waste plastics must first be separated, crushed and cleaned. After the plastic film is crushed, especially the harder PET plastic film, it will be broken into smaller sheets of film, which is convenient for subsequent processing of the plastic film.

For example, a recycling device with integrated cleaning and crushing provided by publication number CN115284489A relates to the technical field of recycling and utilizing waste plastics, and includes a supporting part; the crushing part is arranged on the top of the supporting part; the cleaning part is arranged below the crushing part; the adjusting part is arranged inside the cleaning part; while the cleaning cylinder rotates, it controls the lifting frame to lift and lower through the driving groove, so that it drives the stirring and pressing plate to lift and lower, thereby facilitating the cleaning of the broken plastics inside the cleaning water through the stirring frame, and pressing down the plastics floating on the top through the lifting and lowering movement of the pressing plate, so that the broken plastics can be cleaned with the assistance of the pressing plate, thereby facilitating its use, and solving the problem that most of the current traditional plastic recycling devices clean the broken plastics through containers, thereby causing the broken plastics to float on the water surface under the action of water buoyancy, making it difficult to clean the impurities on the top surface.

However, when the above technology is actually used, the broken plastic film is not screened, resulting in the presence of larger pieces of film, which affects the subsequent recycling steps.

Summary of the invention

The purpose of the present invention is to provide a waste plastic film recycling and processing device to solve the problem that the crushed plastic film is not screened, resulting in the existence of large pieces of film, which affects the subsequent recycling steps.

To achieve the above object, the present invention provides the following technical solution: a waste plastic film recycling and processing device, comprising:

A supporting shell, the inner wall of which is fixedly connected to a protective shell, and a feed hopper is fixedly embedded in the top of the protective shell;

A recycling and crushing assembly is arranged inside the protective shell, and is used to crush and recycle the waste plastic film entering the support shell from the feed hopper. The recycling and crushing assembly includes two side plates fixedly arranged at the bottom of the feed hopper, and both ends of the two side plates are respectively fixedly connected to end plates, and the middle parts of the two end plates are respectively rotatably connected to two first drive shafts through bearings, and a plurality of crushing movable teeth are fixedly connected to the surface of the first drive shaft at equal distances;

The screening components are arranged at both ends of the recycling and crushing components, and the screening components are used to screen the broken waste plastic film fragments and add the larger particles of waste plastic film fragments back into the recycling and crushing components for crushing. The screening component includes two annular screen baskets, the inner walls of which are fixedly connected with obliquely arranged interception plates, and the back surfaces of the two annular screen baskets are respectively fixedly connected with drive rings, and the drive rings are rotatably connected to the surfaces of the end plates;

The material guide assembly is arranged at the middle position of the bottom of the recycling and crushing assembly, and the material guide assembly is used to shake the waste plastic film fragments crushed by the recycling and crushing assembly into the inside of the annular screen baskets at both ends. The material guide assembly includes a rubber strip, both ends of the rubber strip are respectively fixedly connected with a connecting belt, and the end of the connecting belt away from the rubber strip is fixedly connected to a second support ring, and the rubber strip and the connecting belt are fixedly connected to the bottom of the side plate, the second support ring is rotatably connected to the inner wall of the end of the annular screen basket away from the driving ring, the bottom of the rubber strip is fixedly embedded with a guide frame, the inner wall of the guide frame is movably connected with a driving rod, the surface of the bottom of the driving rod is fixedly connected with a driving arm, and the end of the driving arm away from the driving rod is fixedly connected with a second driving shaft, the bottom of the surface of the second driving shaft is fixedly connected with a first bevel gear, and the end of the annular screen basket corresponding to the first bevel gear is fixedly connected with a bevel gear ring, and the surface of the bevel gear ring is meshed with the surface of the first bevel gear.

Preferably, a collecting frame is movably provided at one end of the bottom of the protective shell, and the collecting frame is movably arranged at the bottom of the supporting shell, so that the waste plastic film crushed by the recycling and crushing assembly can fall into the collecting frame for collection.

Preferably, the two movable crushing teeth on the surface of the first driving shafts are arranged alternately with each other, and one end of the side plate corresponding to the position between the two adjacent movable crushing teeth is fixedly connected with a movable crushing tooth, so that the movable crushing teeth and the movable crushing teeth can rotate relative to each other and crush the waste plastic film, and the first driving shaft is movably penetrated by the bearing and extends to the two ends of the supporting shell, and one of the first driving shafts is driven by a driving motor.

Preferably, the surface of the side plate corresponding to the annular screen basket away from the driving ring is fixedly connected with a first support ring, the away surfaces of the two end plates are respectively fixedly connected with a first guide ring, and the surface of the first guide ring is rotatably connected with a limiting ring, and the limiting ring is fixedly connected to the inner wall of the driving ring.

Preferably, the second support ring is fixedly connected to the bottom of the first support ring, the diameters of the second support ring and the first support ring are equal, and the annular screen basket is rotatably connected to the surfaces of the first support ring and the second support ring, the second support ring and the first support ring are fixedly connected to the second guide ring at one end away from the annular screen basket, and the bevel gear ring is rotatably connected to the surface of the second guide ring, one end of the bevel gear ring and the limiting ring are respectively provided with annular grooves, and the inner walls of the annular grooves at one end of the bevel gear ring and the limiting ring are respectively rotatably connected to the inner walls of the first guide ring and the second guide ring, so that the first guide ring cooperates with the limiting ring and the bevel gear ring cooperates with the second guide ring to limit the stable rotation of the annular screen basket and the driving ring.

Preferably, the surface of the side plate is fixedly connected to a support frame, and the bottom of the second drive shaft is rotatably connected to the surface of the support frame through a bearing, the guide frame is a rectangular structure with a hollow middle and an open bottom, and the cross-section of the drive rod is an I-shaped structure so that the drive rod does not separate from the inner wall of the guide frame.

Preferably, it also includes a driving assembly for driving the recovery and crushing assembly and the screening assembly, the driving assembly includes a first gear fixedly connected to both ends of the two first driving shafts, and the two first gears at the same end of the two first driving shaft surfaces are meshed with each other, and different ends of the two first driving shafts are respectively fixedly connected with second gears, and a tooth groove is provided at one end of the driving ring corresponding to the position of the second gear, and the inner wall of the tooth groove is meshed with the surface of the second gear, so that the two driving rings drive the two annular screen baskets to rotate in opposite directions.

Preferably, it also includes an anti-stacking component for preventing waste plastic film fragments inside the annular screen basket from clogging the screen holes and affecting the screening efficiency, the anti-stacking component includes a second bevel gear fixedly connected to the surface of the second drive shaft, the surface of the second bevel gear is meshed with two third bevel gears, and one end of the two third bevel gears facing away from the surface are respectively fixedly connected to the third drive shaft, the third drive shaft movably penetrates the second support ring and the end plate through bearings, and a cleaning strip is fixedly connected to the surface of the third drive shaft corresponding to the position of the annular screen basket, so that the third drive shaft drives the cleaning strip to rotate and break up the waste plastic film fragments inside the annular screen basket.

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention drives the interception plate to rotate through the annular screen basket, and makes the waste plastic film fragments roll and screen on the inner wall of the annular screen basket. The waste plastic film fragments that have not passed through the screen holes of the annular screen basket will be driven by the interception plate to fall back between the two side plates, and are crushed again by the crushing movable teeth cooperating with the crushing fixed teeth, until the waste plastic film fragments can pass through the screen holes of the annular screen basket, thereby achieving the purpose of screening the waste plastic film fragments;

2. The present invention also drives the second bevel gear to rotate through the second drive shaft when the first bevel gear rotates, and drives the two third bevel gears to rotate respectively when the second bevel gear rotates, and drives the cleaning bar to rotate on the inner wall of the annular screen basket through the third drive shaft, so that the cleaning bar can break up the waste plastic film fragments that are gathered on the inner wall of the annular screen basket, and at the same time avoid the situation where larger waste plastic film fragments are always blocked on the inner wall of the screen hole of the annular screen basket, resulting in low screening efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of a waste plastic film recycling and processing device according to the present invention;

FIG2 is a schematic diagram of the structure of a screening component of a waste plastic film recycling and processing device according to the present invention;

FIG3 is a cross-sectional view of the overall structure of a waste plastic film recycling and processing device according to the present invention;

FIG4 is a cross-sectional view of the structure of a screening component of a waste plastic film recycling and processing device according to the present invention;

FIG5 is an exploded view of the screening assembly structure of a waste plastic film recycling and processing device according to the present invention;

FIG6 is a schematic structural diagram of a material guide assembly of a waste plastic film recycling and processing device according to the present invention;

FIG7 is a cross-sectional view of the structure of a material guide assembly of a waste plastic film recycling and processing device according to the present invention;

FIG8 is a schematic diagram of the structure of an anti-stacking component of a waste plastic film recycling and processing device according to the present invention;

FIG9 is a second schematic diagram of the anti-stacking component structure of a waste plastic film recycling and processing device of the present invention. In the figure: 101, support shell; 102, protective shell; 103, collection frame; 104, feed hopper;

201, side plate; 202, end plate; 203, first drive shaft; 204, crushing movable tooth; 205, crushing fixed tooth;

301, annular screen basket; 302, interception plate; 303, drive ring; 304, first support ring; 305, first guide ring; 306, limit ring;

401, first gear; 402, second gear; 403, tooth groove;

501, rubber strip; 502, connecting belt; 503, second supporting ring; 504, guide frame; 505, driving rod; 506, driving arm; 507, second driving shaft; 508, supporting frame; 509, first bevel gear; 510, bevel gear ring; 511, second guiding ring;

601, second bevel gear; 602, third bevel gear; 603, third drive shaft; 604, cleaning strip.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Please refer to Figures 1-9. The present invention provides a technical solution: a waste plastic film recycling and processing device, comprising:

A supporting shell 101 is provided, and a protective shell 102 is fixedly installed on the inner wall of the supporting shell 101. A feed hopper 104 is fixedly embedded in the top of the protective shell 102. A collecting frame 103 is movably provided at one end of the bottom of the protective shell 102, and the collecting frame 103 is movably arranged at the bottom of the supporting shell 101, so that the waste plastic film crushed by the recycling and crushing assembly can fall into the collecting frame 103 for collection;

A recycling and crushing assembly is arranged inside the protective shell 102, and the recycling and crushing assembly is used to crush and recycle the waste plastic film entering the support shell 101 from the feed hopper 104. The recycling and crushing assembly includes two side plates 201 fixedly installed at the bottom of the feed hopper 104, and the two ends of the two side plates 201 are respectively fixedly installed with end plates 202. The middle parts of the two end plates 202 are respectively connected to two first driving shafts 203 through bearings for rotation. A plurality of crushing movable teeth 204 are fixedly installed on the surface of the first driving shaft 203 at equal distances. The crushing movable teeth 204 on the surfaces of the two first driving shafts 203 are staggered with each other. A crushing fixed tooth 205 is fixedly installed at one end of the side plate 201 corresponding to the position between two adjacent crushing movable teeth 204, so that the crushing movable teeth 204 and the crushing fixed teeth 205 rotate relative to each other and crush the waste plastic film. The first driving shaft 203 is movable through the bearing and extends to the two ends of the support shell 101, and one of the first driving shafts 203 is driven by a driving motor;

When the above structure is in use, when the two first drive shafts 203 rotate synchronously towards each other, the first drive shafts 203 will drive the movable crushing teeth 204 to rotate synchronously towards each other and rotate relative to the fixed crushing teeth 205, thereby crushing the waste plastic film entering the position between the two side plates 201.

The screening components are arranged at both ends of the recycling and crushing components, and the screening components are used to screen the broken waste plastic film fragments, and add the larger particles of waste plastic film fragments back into the recycling and crushing components for crushing. The screening components include two annular screen baskets 301, and the inner wall of the annular screen baskets 301 is fixedly installed with an obliquely arranged interception plate 302, and the two annular screen baskets 301 are respectively fixedly installed with a driving ring 303 on the away surfaces, and the driving ring 303 is rotatably connected to the surface of the end plate 202, and the first supporting ring 304 is fixedly installed on the surface of the side plate 201 corresponding to the position of the annular screen basket 301 away from the driving ring 303, and the away surfaces of the two end plates 202 are respectively fixedly installed with a first guide ring 305, and the surface of the first guide ring 305 is rotatably connected to the limit ring 306, and the limit ring 306 is fixedly installed on the inner wall of the drive ring 303;

When the above structure is in use, when the two annular screen baskets 301 rotate in opposite directions, the annular screen baskets 301 will drive the interception plate 302 to rotate and screen the waste plastic film fragments. The waste plastic film fragments that do not pass through the sieve holes of the annular screen basket 301 will be driven by the interception plate 302 and fall back to the position between the two side plates 201, and are crushed again by the crushing movable teeth 204 and the crushing fixed teeth 205, until the waste plastic film fragments can pass through the sieve holes of the annular screen basket 301, thereby achieving the purpose of screening the waste plastic film fragments.

The material guide component is arranged at the middle position of the bottom of the recycling and crushing component, and the material guide component is used to shake the waste plastic film fragments after being crushed by the recycling and crushing component to the inside of the annular screen baskets 301 at both ends. The material guide component includes a rubber strip 501, and both ends of the rubber strip 501 are respectively fixedly installed with a connecting belt 502, and the end of the connecting belt 502 away from the rubber strip 501 is fixedly installed with a second support ring 503, and the rubber strip 501 and the connecting belt 502 are both fixedly installed at the bottom of the side plate 201, and the second support ring 503 is rotatably connected to the end of the annular screen basket 301 away from the driving ring 303. The inner wall, the bottom of the rubber strip 501 is fixedly embedded with a guide frame 504, the inner wall of the guide frame 504 is movably connected with a driving rod 505, the surface of the bottom of the driving rod 505 is fixedly installed with a driving arm 506, and the end of the driving arm 506 away from the driving rod 505 is fixedly installed with a second driving shaft 507, the bottom of the surface of the second driving shaft 507 is fixedly installed with a first bevel gear 509, and the end of the annular screen basket 301 corresponding to the position of the first bevel gear 509 is fixedly installed with a bevel gear ring 510, and the surface of the bevel gear ring 510 is meshed with the surface of the first bevel gear 509, and the second support ring 503 The second support ring 503 is fixedly installed at the bottom of the first support ring 304, the diameter of the second support ring 503 is equal to that of the first support ring 304, and the annular screen basket 301 is rotatably connected to the surfaces of the first support ring 304 and the second support ring 503, and the second support ring 503 and the first support ring 304 are fixedly installed with a second guide ring 511 at one end away from the annular screen basket 301, and the bevel gear ring 510 is rotatably connected to the surface of the second guide ring 511, and one end of the bevel gear ring 510 and the limiting ring 306 are respectively provided with annular grooves, and the inner walls of the annular grooves at one end of the bevel gear ring 510 and the limiting ring 306 are respectively connected to the first The inner wall of the guide ring 305 and the second guide ring 511 are rotatably connected, so that the first guide ring 305 cooperates with the limiting ring 306 and the bevel gear ring 510 cooperates with the second guide ring 511 to limit the stable rotation of the annular screen basket 301 and the driving ring 303. The surface of the side plate 201 is fixedly mounted with a support frame 508, and the bottom of the second driving shaft 507 is rotatably connected to the surface of the support frame 508 through a bearing. The guide frame 504 is a rectangular structure with a hollow middle and an open bottom. The cross section of the driving rod 505 is an I-shaped structure, so that the driving rod 505 does not separate from the inner wall of the guide frame 504.

When the above structure is in use, when the two annular screen baskets 301 rotate in opposite directions, the annular screen baskets 301 will drive the first bevel gear 509 to rotate through the bevel gear ring 510, and the first bevel gear 509 will drive the driving rod 505 to revolve through the second driving shaft 507 in cooperation with the driving arm 506, so that the driving rod 505 moves on the inner wall of the guide frame 504, so that the rubber strip 501 drives the connecting belt 502 to shake, and shake the waste plastic film fragments that fall from the middle of the side plate 201 to the inside of the two annular screen baskets 301, so that the waste plastic film fragments can be screened through the screening component.

The drive assembly is also included for driving the recycling crushing assembly and the screening assembly to work. The drive assembly includes a first gear 401 fixedly mounted at both ends of the two first driving shafts 203, and the two first gears 401 at the same end of the surface of the two first driving shafts 203 are meshed with each other, and the second gears 402 are fixedly mounted on different ends of the two first driving shafts 203, respectively. A tooth groove 403 is provided at one end of the driving ring 303 corresponding to the position of the second gear 402, and the inner wall of the tooth groove 403 is meshed with the surface of the second gear 402, so that the two driving rings 303 drive the two The annular screen basket 301 rotates in the opposite direction, and one of the first drive shafts 203 is driven to rotate by a driving motor, and the first drive shaft 203 is made to rotate synchronously towards each other through two meshing first gears 401, and by setting the second gear 402 and the tooth groove 403, the two second gears 402 are respectively located at different ends of the two first drive shafts 203, so that when the first drive shaft 203 drives the second gear 402 to rotate, the second gear 402 cooperates with the tooth groove 403 to drive the two drive rings 303 to rotate in the opposite direction.

It also includes an anti-stacking component for preventing the waste plastic film fragments inside the annular screen basket 301 from clogging the screen holes and affecting the screening efficiency. The anti-stacking component includes a second bevel gear 601 fixedly mounted on the surface of the second drive shaft 507, and two third bevel gears 602 are meshed on the surface of the second bevel gear 601, and the ends of the two third bevel gears 602 facing away from the surface are respectively fixedly mounted with a third drive shaft 603, and the third drive shaft 603 movably penetrates the second support ring 503 and the end plate 202 through a bearing, and a cleaning strip 604 is fixedly mounted on the surface of the third drive shaft 603 corresponding to the position of the annular screen basket 301, so that the third drive shaft 603 drives the cleaning strip 604 to rotate and scatter the waste plastic film fragments inside the annular screen basket 301;

When the above structure is in use, the first bevel gear 509 drives the second bevel gear 601 to rotate through the second drive shaft 507, and when the second bevel gear 601 rotates, the second bevel gear 601 will drive the cleaning bar 604 to rotate on the inner wall of the annular screen basket 301 through the third bevel gear 602 and the third drive shaft 603, so that the cleaning bar 604 can break up the waste plastic film fragments that are gathered on the inner wall of the annular screen basket 301, and avoid the situation where larger waste plastic film fragments are always blocked on the inner wall of the sieve hole of the annular screen basket 301, resulting in low screening efficiency.

Working principle: When in use, the invention drives one of the first drive shafts 203 to rotate through the driving motor, and the first drive shaft 203 is driven through two meshing first gears 401, so that the two first drive shafts 203 are synchronously rotated in the opposite direction, and by setting the second gear 402 and the tooth groove 403, the two second gears 402 are respectively located at different ends of the two first drive shafts 203, so that when the first drive shaft 203 drives the second gear 402 to rotate, the second gear 402 cooperates with the tooth groove 403 to drive the two drive rings 303 to rotate in the opposite direction;

The waste plastic film is fed from the feed hopper 104 to the position between the two side plates 201. When the two first drive shafts 203 rotate synchronously toward each other, the first drive shafts 203 drive the movable crushing teeth 204 to rotate synchronously toward each other and rotate relative to the fixed crushing teeth 205, thereby crushing the waste plastic film entering the position between the two side plates 201, and the waste plastic film fragments after the crushing process will fall downwards.

When the two driving rings 303 drive the two annular screen baskets 301 to rotate in opposite directions respectively, the annular screen baskets 301 will drive the first bevel gear 509 to rotate through the bevel gear ring 510, and the first bevel gear 509 will drive the second driving shaft 507 to rotate. When the second driving shaft 507 rotates, the second driving shaft 507 will drive the driving rod 505 to revolve through the driving arm 506, thereby causing the driving rod 505 to move on the inner wall of the guide frame 504, wherein the guide frame 504 allows the driving rod 505 to move along the rubber The rubber strip 501 and the connecting belt 502 are made of flexible materials, so that when the driving rod 505 revolves along the second driving shaft 507, the rubber strip 501 is driven to deform and reciprocate along the vertical direction through the guide frame 504, so that the rubber strip 501 drives the connecting belt 502 to shake, and the waste plastic film fragments falling from the middle of the side plate 201 are shaken to the inside of the two annular screen baskets 301, so that the waste plastic film fragments can be screened through the screening assembly;

When the two annular screen baskets 301 rotate, the annular screen basket 301 will drive the interception plate 302 to rotate, and the waste plastic film fragments will be continuously rolled and screened on the inner wall of the annular screen basket 301, and the waste plastic film fragments that have not passed through the sieve holes of the annular screen basket 301 will be driven by the interception plate 302 and rotate with the annular screen basket 301 until the interception plate 302 rotates to the top, and under the action of the inclination of the interception plate 302, the waste plastic film fragments screened by the annular screen basket 301 will fall back to the position between the two side plates 201, and will be broken again by the broken movable teeth 204 cooperating with the broken fixed teeth 205, until the waste plastic film fragments can all pass through the sieve holes of the annular screen basket 301, thereby achieving the purpose of screening the waste plastic film fragments;

And when the first bevel gear 509 rotates, the first bevel gear 509 will drive the second bevel gear 601 to rotate through the second drive shaft 507, and when the second bevel gear 601 rotates, the second bevel gear 601 will drive the two third bevel gears 602 to rotate respectively, and the third bevel gear 602 will drive the cleaning bar 604 to rotate on the inner wall of the annular screen basket 301 through the third drive shaft 603, so that the cleaning bar 604 can break up the waste plastic film fragments gathered on the inner wall of the annular screen basket 301, and at the same time avoid the situation where larger waste plastic film fragments are always blocked on the inner wall of the sieve hole of the annular screen basket 301, resulting in low screening efficiency. At the same time, since the cleaning bar 604 is made of flexible material, the intercepting plate 302 rotates with the annular screen basket 301 and will not affect the work of the cleaning bar 604.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1.A waste plastic film recovery processing device is characterized in that: comprising the following steps:

the device comprises a support shell (101), wherein the inner wall of the support shell (101) is fixedly connected with a protection shell (102), and a feed hopper (104) is fixedly embedded in the top of the protection shell (102);

The recovery crushing assembly is arranged in the protective shell (102) and is used for crushing and recovering waste plastic films entering the support shell (101) from the feed hopper (104), the recovery crushing assembly comprises two side plates (201) fixedly arranged at the bottom of the feed hopper (104), two ends of each side plate (201) are fixedly connected with end plates (202) respectively, two first driving shafts (203) are respectively connected to the middle parts of the two end plates (202) through bearings in a rotating mode, and a plurality of crushing movable teeth (204) are fixedly connected to the surfaces of the first driving shafts (203) at equal intervals;

The screening components are arranged at two ends of the recovery crushing component and are used for screening crushed waste plastic film fragments and adding the waste plastic film fragments with larger particles into the recovery crushing component again for crushing, the screening component comprises two annular screen baskets (301), the inner walls of the annular screen baskets (301) are fixedly connected with obliquely arranged interception plates (302), the deviating surfaces of the two annular screen baskets (301) are respectively fixedly connected with a driving ring (303), and the driving rings (303) are rotationally connected to the surface of the end plate (202);

The material guiding assembly is arranged at the middle part of the bottom of the recovery crushing assembly and is used for shaking waste plastic film fragments crushed by the recovery crushing assembly into the annular screen basket (301) at two ends, the material guiding assembly comprises a rubber strip (501), two ends of the rubber strip (501) are fixedly connected with a connecting belt (502) respectively, one end of the connecting belt (502) away from the position of the rubber strip (501) is fixedly connected with a second supporting ring (503), the rubber strip (501) and the connecting belt (502) are fixedly connected at the bottom of a side plate (201), the second supporting ring (503) is rotationally connected to the inner wall of one end of the annular screen basket (301) away from the position of the driving ring (303), a guide frame (504) is fixedly embedded at the bottom of the rubber strip (501), a driving rod (505) is movably connected to the inner wall of the guide frame (504), the surface of the bottom of the driving rod (505) is fixedly connected with a driving arm (506), one end of the driving arm (506) away from the position of the driving rod (505) is fixedly connected with a second driving shaft (507), the surface of the second driving shaft (507) is fixedly connected with a bevel gear (509) at the position of the corresponding bevel gear (509), and the surface of the bevel ring (510) is in engagement with the surface of the first bevel gear (509).

2. The waste plastic film recycling device according to claim 1, wherein: the one end activity of protective housing (102) bottom is equipped with collects frame (103), and collects frame (103) activity setting in the bottom of supporting housing (101) to make the broken waste plastic film of broken back through retrieving broken subassembly can drop and collect in the inside of collecting frame (103).

3. The waste plastic film recycling device according to claim 2, wherein: the crushing movable teeth (204) on the surfaces of the first driving shafts (203) are arranged in a staggered mode, crushing fixed teeth (205) are fixedly connected to one end of the side plate (201) corresponding to the position between two adjacent crushing movable teeth (204), so that the crushing movable teeth (204) and the crushing fixed teeth (205) rotate in a staggered mode relatively and crush waste plastic films, the first driving shafts (203) movably penetrate through bearings and extend to two ends of the supporting shell (101), and one of the first driving shafts (203) is driven by a driving motor.

4. A waste plastic film recycling apparatus according to claim 3, wherein: the surface of the side plate (201) corresponding to the annular screen basket (301) at the position far away from the driving ring (303) is fixedly connected with a first supporting ring (304), the deviating surfaces of the two end plates (202) are respectively fixedly connected with a first guide ring (305), the surface of the first guide ring (305) is rotationally connected with a limiting ring (306), and the limiting ring (306) is fixedly connected with the inner wall of the driving ring (303).

5. The waste plastic film recycling device according to claim 4, wherein: the second support ring (503) is fixedly connected to the bottom of the first support ring (304), the diameters of the second support ring (503) and the first support ring (304) are equal, the annular screen basket (301) is rotationally connected to the surfaces of the first support ring (304) and the second support ring (503), one end, away from the position of the annular screen basket (301), of the second support ring (503) and the first support ring (304) is fixedly connected with a second guide ring (511), the bevel ring (510) is rotationally connected to the surface of the second guide ring (511), annular grooves are respectively formed in one ends of the bevel ring (510) and the limiting ring (306), and the inner walls of the annular grooves at one ends of the bevel ring (510) are respectively rotationally connected to the inner walls of the first guide ring (305) and the second guide ring (511), so that the bevel ring (510) is matched with the limiting ring (306) to serve the second guide ring (511) to stably drive the annular screen basket (301) and the annular screen basket (303) to rotate.

6. The waste plastic film recycling device according to claim 5, wherein: the surface fixing of curb plate (201) is connected with support frame (508), and the bottom of second drive shaft (507) is rotated through the bearing and is connected on the surface of support frame (508), guide frame (504) are middle part cavity and bottom open-ended rectangle structure, the cross section of actuating lever (505) is the I-shaped structure to make actuating lever (505) not break away from the inner wall of guide frame (504).

7. The waste plastic film recycling device according to claim 6, wherein: still including being used for driving the drive assembly who retrieves broken subassembly and screening subassembly work, drive assembly includes first gear (401) at two first drive shaft (203) both ends, and two first gear (401) intermesh of two first drive shaft (203) surface with one end, two the different ends of first drive shaft (203) are respectively fixedly connected with second gear (402) respectively, tooth's socket (403) have been seted up to the one end of corresponding second gear (402) position of actuating ring (303), and the inner wall of tooth's socket (403) meshes with the surface of second gear (402) mutually to make two actuating ring (303) drive two annular screen basket (301) reverse rotation.

8. The waste plastic film recycling device according to claim 7, wherein: the anti-stacking device is characterized by further comprising an anti-stacking assembly used for preventing waste plastic film fragments inside the annular screen basket (301) from blocking screen holes to affect screening efficiency, the anti-stacking assembly comprises a second bevel gear (601) fixedly connected to the surface of a second driving shaft (507), two third bevel gears (602) are meshed with the surface of the second bevel gear (601), one ends of the deviating surfaces of the two third bevel gears (602) are fixedly connected with third driving shafts (603) respectively, the third driving shafts (603) movably penetrate through the second supporting ring (503) and the end plate (202) through bearings, and cleaning strips (604) are fixedly connected to the surfaces of the third driving shafts (603) corresponding to the positions of the annular screen basket (301) so that the third driving shafts (603) drive the cleaning strips (604) to rotate and break up waste plastic film fragments inside the annular screen basket (301).