CN115447026A

CN115447026A - Device and method for recycling waste plastic

Info

Publication number: CN115447026A
Application number: CN202211112746.2A
Authority: CN
Inventors: 邓小珍; 肖兵; 刘彪; 任重; 许红; 梁子康; 耿子淯; 陶飞龙
Original assignee: Nanchang Institute of Technology
Current assignee: Nanchang Institute of Technology
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-09
Anticipated expiration: 2042-09-14
Also published as: CN115447026B

Abstract

The invention discloses a device and a method for recycling waste plastics, which comprises a device body, wherein the device body comprises a processing box body and a feeding device matched with the processing box body, the feeding device comprises a feeding base, a lifting feeding plate is arranged on the feeding base, push handles are arranged on two side edges of the feeding base, a hydraulic telescopic cylinder is arranged inside the feeding base, and the end part of a telescopic rod on the hydraulic telescopic cylinder is connected with the lifting feeding plate. The beneficial effects of the invention are: the structure is compact, the working strength of workers is reduced, the cleaning effect of hidden stains in the waste plastics is improved, and the crushing effect of the waste plastics is improved.

Description

Device and method for recycling waste plastic

Technical Field

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

Background

The plastic products change the production and living modes of people, and the problem is that a large amount of waste plastic pollutes the environment and brings huge waste of resources. The wastes generally become a part of domestic wastes and industrial wastes, such as granular mixtures produced by industrial grinding, wastes mixed with various plastics, waste electric and electronic mixtures, and the mixture is scattered due to improper treatment, so that the wastes of resources are wasted, and the environment is seriously damaged. According to statistics, the annual production of waste plastics in China is about 100 ten thousand tons, and the waste plastics account for about 70 percent of the plastic yield.

However, although the existing production method can process the waste plastics, the existing production method still has a plurality of defects: 1. the existing waste plastic is mainly pushed into the processing box body through the manual trolley in the batch processing process, but when the waste plastic is shifted into an inlet port of the processing box body, the waste plastic needs to be dug into the inlet port through manual work, so that long-term feeding of operators is caused, the labor cost is increased, and fatigue is easily caused. 2. The existing waste plastic is quickly crushed after being cleaned, but a small amount of stains exist in the cleaning process, so that the stains exist after the prepared plastic crushed object exists in the crushing and drying processes, secondary purification is needed, time is wasted, and the production cost is increased.

Based on the above drawbacks, the present application needs an apparatus and a method for recycling waste plastics.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a device, a method and a method for recycling waste plastics, which have the advantages of compact structure, reduced working strength of workers, improved filtrate filtration efficiency, improved medicine component extraction efficiency and simple operation.

The purpose of the invention is realized by the following technical scheme: a device for recycling waste plastics comprises a device body, wherein the device body comprises a processing box body and a feeding device matched with the processing box body, the feeding device comprises a feeding base, a lifting feeding plate is arranged on the feeding base, push handles are arranged on two side edges of the feeding base, a hydraulic telescopic cylinder is arranged inside the feeding base, and the end part of a telescopic rod on the hydraulic telescopic cylinder is connected with the lifting feeding plate;

the utility model discloses a processing box, including processing box, feeding hopper, first cavity, second cavity, third cavity, fourth cavity, fifth cavity and sixth cavity, processing box's inside is the cavity structure, and is equipped with first cavity, second cavity, third cavity, fourth cavity, fifth cavity and sixth cavity on processing box's the inside, be equipped with the feeder hopper on processing box's the lateral wall, and be equipped with supplementary feeding mechanism on the lateral wall of feeder hopper, be equipped with the feed inlet between first cavity and the supplementary feeding mechanism, supplementary feeding mechanism's below is equipped with the waste residue collecting box, and the below of waste residue collecting box is equipped with places the frame, be equipped with inlet pipe one on the top of first cavity, and the inside of first cavity is equipped with stirring comminution device one, the inside of second cavity is equipped with the drainage board, be equipped with motor one on the inside of third cavity, and the output shaft of motor one runs through the fourth cavity, be equipped with the comminution blade on motor one's the output shaft, the fifth cavity is the sediment cavity that gathers, the sixth cavity is the stoving chamber.

In the device for recycling waste plastics, provided by the invention, the bottom of the feed hopper is provided with a filter residue through hole, the waste residue collecting box is placed on the placing frame, the inside of the placing frame is provided with the first pump, the bottom of the second cavity is provided with the first discharge pipe, the first discharge pipe is provided with the first pump, the inner top wall of the first cavity is provided with the water collecting disc, the water collecting disc is provided with a plurality of inclined water outlet branch pipes, the water outlet branch pipes face to the middle part of the first cavity, and a first connecting pipe is arranged between the first discharge pipe and the water collecting disc.

In the device for recycling the waste plastics, provided by the invention, a first inclined feeding plate is arranged between the first cavity and the second cavity, the height of the first inclined feeding plate is sequentially reduced from the feeding port, a second feeding pipe is arranged at the bottom of the first inclined feeding plate, the port of the second feeding pipe is positioned on the top of the fourth cavity, a first drying assembly and a second drying assembly are arranged in the sixth cavity, the first drying assembly and the second drying assembly both comprise an air blower and a heating resistance wire, the side wall of the sixth cavity is provided with a vent hole, the bottom of the fourth cavity is arranged in an inclined manner, and a second discharging pipe is arranged between the fourth cavity and the sixth cavity.

In the device for recycling the waste plastics, the side wall of the second cavity is also provided with a first opening and a second opening; the water filtering plate is provided with a first water filtering plate and a second water filtering plate, the end portions of the first water filtering plate and the second water filtering plate are respectively provided with a first opening and a second opening, discharging cavities are formed in the first opening and the second opening, an inclined partition plate II is arranged between the fifth cavity and the sixth cavity, a discharging pipe III is arranged on the bottom of the fifth cavity, and a switch valve is arranged on the discharging pipe II and the discharging pipe III.

In the device for recycling the waste plastics, the diameter of the filter hole on the first water filter plate is larger than that of the filter hole on the second water filter plate, and the end part of the first discharge pipe is provided with a filter screen; the auxiliary feeding mechanism comprises a first inclined plate, one end of the first inclined plate is hinged, a first vertical plate is arranged at the end part of the first inclined plate, and the first vertical plate and the first inclined plate are integrally formed; stirring cutting device one includes motor two, and the output shaft of motor two runs through the roof of first cavity, be equipped with on the output shaft of motor two and transversely get rid of water board, cutting rod and puddler are located the below of transversely getting rid of the water board, be equipped with vertical blade on the cutting rod, cutting rod and puddler are for being interrupted the setting, and are equipped with two sets ofly, be equipped with fixed blade on the lateral wall of first cavity, and fixed blade mutually supports with vertical blade for make when the rubbish that gets into can stir abluent make and carry out preliminary smashing with it, thereby can wash the mud and the spot hidden in the old and useless plastics.

In the device for recycling the waste plastics, triangular water retaining blocks are arranged on the transverse water slinger, first through holes are formed beside the triangular water retaining blocks, at least two first through holes are formed between every two adjacent triangular water retaining blocks, a water retaining plate is arranged below the first through holes, and the diameter of the transverse water slinger is the same as that of the cutting rod and the stirring rod; the first inclined feeding plate is further provided with a transverse groove and a vertical groove, the transverse groove and the vertical groove are at least provided with 7 grooves, and through holes II are formed in the transverse groove and the vertical groove, so that screening of waste garbage blocking waste materials can be prevented, and sludge can be collected and flowed into the conveying plate.

In the device for recycling waste plastics, a first rotating plate is further arranged on a lifting feeding plate, one end of the first rotating plate is connected through a hinge, the other end of the first rotating plate is connected through an electric telescopic rod, the electric telescopic rod can freely lift and lower one end of the first rotating plate, raised baffle plates are arranged on the periphery of the lifting feeding plate, and universal wheels are arranged at the bottoms of a processing box body and the feeding device; and the back of the first vertical plate is connected with the side wall through a spring.

The method of the device for recycling the waste plastics comprises the following steps:

s1, recycling waste plastics, which specifically comprises the following steps:

s11, firstly pushing the feeding device to a position where material storage is needed according to actual needs, and then placing a certain amount of waste plastics on the first rotating plate; after a certain amount of waste plastics are stored on the first rotating plate, pushing the feeding device to the side of a feeding hopper on the processing box body;

s12, controlling the electric telescopic rod and the hydraulic telescopic cylinder to enable waste plastics on the first rotating plate to be thrown into the feed hopper, and pushing the waste plastics into the first cavity through manual operation under the action of the auxiliary feeding mechanism after the thrown waste plastics enter the feed hopper;

s13, after entering the first cavity, the plastic can be cleaned and cut under the action of the primary vertical blade, the sludge flows into the second cavity, and the crushing mechanism in the fourth cavity can crush the waste plastic for the second time;

s14, after the crushed plastic enters a sixth cavity to be dried, and the dried plastic is treated in the next procedure.

The invention has the following advantages:

1. the waste plastic conveying device comprises a device body, wherein the device body comprises a processing box body and a feeding device matched with the processing box body, the feeding device and the processing box body are matched with each other, the waste plastic can be conveniently conveyed, the feeding device comprises a feeding base, a lifting feeding plate is arranged on the feeding base, the lifting feeding plate is arranged to meet the feeding requirements of different heights, pushing handles are arranged on two side edges of the feeding base, a hydraulic telescopic cylinder is arranged inside the feeding base, and the end part of a telescopic rod on the hydraulic telescopic cylinder is connected with the lifting feeding plate; the inside of the processing box body is of a cavity structure, a first cavity is formed in the processing box body, a second cavity, a third cavity, a fourth cavity, a fifth cavity and a sixth cavity, a feeding hopper is arranged on the side wall of the processing box body, an auxiliary feeding mechanism is arranged on the side wall of the feeding hopper, the auxiliary feeding mechanism is matched with manpower, waste plastics can enter the first cavity efficiently, a feeding port is formed between the first cavity and the auxiliary feeding mechanism, a waste residue collecting box is arranged below the auxiliary feeding mechanism, a placing frame is arranged below the waste residue collecting box, a first inlet pipe is arranged on the top of the first cavity, a first stirring and chopping device is arranged inside the first cavity, a water filtering plate is arranged inside the second cavity, a first motor is arranged inside the third cavity, an output shaft of the first motor penetrates through the fourth cavity, a chopping blade is arranged on an output shaft of the first motor, the fifth cavity is a slag collecting cavity, and the sixth cavity is a drying cavity, and therefore efficient cleaning and processing of the waste plastics can be achieved.

2. The transverse water throwing plate is provided with the triangular water blocking blocks, the first through holes are formed beside the triangular water blocking blocks, at least two first through holes are formed between every two adjacent triangular water blocking blocks, the water blocking plates are arranged below the first through holes, and the diameter of each transverse water throwing plate is the same as that of the cutting rod and the stirring rod, so that the entering water is scattered from all directions under the action of the transverse water throwing plates, and preliminary cutting chips are matched, so that stains and sludge in waste plastics can be effectively washed clean; the first inclined feeding plate is further provided with a transverse groove and a vertical groove, sewage can be discharged under the action of the through holes when being collected due to the arrangement of the transverse groove and the vertical groove, 7 through holes are at least formed in the transverse groove and the vertical groove, and a second through hole is formed in the transverse groove and the vertical groove, so that screening of waste garbage blocking waste materials can be prevented, and sludge can be collected and flowed into the waste garbage blocking waste materials.

Drawings

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

FIG. 2 is a schematic structural view of a first inclined feeding plate in the present invention;

FIG. 3 is a schematic structural view of a first rotating plate according to the present invention;

FIG. 4 is a schematic structural view of a transverse water slinger plate of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

FIG. 6 is an enlarged view of a portion of FIG. 1 at B;

fig. 7 is a partially enlarged schematic view of C in fig. 1.

In the drawing, the device comprises a device body 1, a processing box body 2, a feeding device 3, a feeding base 4, a lifting feeding plate 5, a pushing handle 6, a hydraulic telescopic cylinder 7, a first cavity 8, a second cavity 9, a third cavity 10, a fourth cavity 11, a fifth cavity 12, a sixth cavity 13, a feeding hopper 14, an auxiliary feeding mechanism 15, a feeding port 16, a waste residue collecting box 17, a placing frame 18, a feeding pipe I19, a motor I20, a chopping blade 21, a filter residue through hole 22, a pump I23, a discharging pipe I24, a water collecting disc 25, a water outlet branch pipe 26, a connecting pipe I27, an inclined feeding plate I28, a feeding pipe II 29, a drying component I30, a drying component II 31, a discharging pipe II 32, an opening I33, an opening II 34, a water filtering plate I35, a water filtering plate II 36, a discharging cavity 37, a filtering net 38, an inclined plate I39, a vertical plate I40, a motor II 41, a transverse water throwing plate 42, a cutting rod 43, a stirring rod 44, a fixed blade 45, a triangular block 46, a through hole 47, a water baffle plate 48, a transverse rotating groove 49, a vertical through hole 50, a rotating groove 51 and an electric baffle 55.

Detailed Description

The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:

as shown in fig. 1 to 7, a waste plastic recycling device comprises a device body 1, wherein the device body 1 comprises a processing box body 2 and a feeding device 3 matched with the processing box body 2, the feeding device 3 comprises a feeding base 4, a lifting feeding plate 5 is arranged on the feeding base 4, the lifting feeding plate 5 is arranged to enable waste plastic to be fed from different heights, push handles 6 are arranged on two side edges of the feeding base 4 to facilitate pushing of an operator, a hydraulic telescopic cylinder 7 is arranged inside the feeding base 4, and the end part of a telescopic rod on the hydraulic telescopic cylinder 7 is connected with the lifting feeding plate 5, so that normal lifting and descending of the lifting feeding plate 5 are ensured;

the inside of the processing box body 2 is of a cavity structure, a first cavity 8, a second cavity 9, a third cavity 10, a fourth cavity 11, a fifth cavity 12 and a sixth cavity 13 are arranged in the processing box body 2, a feeding hopper 14 is arranged on the side wall of the processing box body 2, an auxiliary feeding mechanism 15 is arranged on the side wall of the feeding hopper 14, a feeding port 16 is arranged between the first cavity 8 and the auxiliary feeding mechanism 15, a waste residue collecting box 17 is arranged below the auxiliary feeding mechanism 15, a placing frame 18 is arranged below the waste residue collecting box 17, the waste residue collecting box 17 can be pushed and placed conveniently by the aid of the placing frame 18, a feeding pipe 19 is arranged on the top of the first cavity 8, a stirring and chopping device I is arranged in the first cavity 8, a water filtering plate is arranged in the second cavity 9, a motor I20 is arranged in the third cavity 10, an output shaft of the motor I20 penetrates through the fourth cavity 11, a chopping blade 21 is arranged on an output shaft of the motor I20, the fifth cavity 12 is a slag collecting cavity, and the sixth cavity 13 is a drying cavity.

Be equipped with filter residue through-hole 22 on the bottom of feeder hopper 14 for some waste residue can enter into waste residue collecting box 17, waste residue collecting box 17 is placed on placing frame 18, and be equipped with pump 23 on placing frame 18's the inside, be equipped with discharging pipe 24 on the bottom of second cavity 9, be equipped with the inlet tube on the second cavity 9 simultaneously, and be equipped with the outlet pipe on the bottom of second cavity 9, and be equipped with pump 23 on discharging pipe 24, be equipped with water-collecting disc 25 on the interior roof of first cavity 8, and be equipped with a plurality of slope outlet branch pipes 26 on the water-collecting disc 25, outlet branch pipe 26 is towards the middle part of first cavity 8, be equipped with connecting pipe 27 between discharging pipe 24 and the water-collecting disc 25, the abluent needs of first cavity 8 have been guaranteed.

A first inclined feeding plate 28 is arranged between the first cavity 8 and the second cavity 9, the height of the first inclined feeding plate 28 is sequentially reduced from a feeding hole 16, it is guaranteed that waste plastics slide downwards under the action of self weight, a second feeding pipe 29 is arranged on the bottom of the first inclined feeding plate 28, a port of the second feeding pipe 29 is located on the top of the fourth cavity 11, and therefore the plastics after primary processing and cleaning enter the fourth cavity 11, a first drying assembly 30 and a second drying assembly 31 are arranged inside the sixth cavity 13, the first drying assembly 30 and the second drying assembly 31 both comprise an air blower and a heating resistance wire, ventilation holes are formed in the side wall of the sixth cavity 13, the bottom of the fourth cavity 11 is obliquely arranged, the blanking requirement is guaranteed, and a second discharging pipe 32 is arranged between the fourth cavity 11 and the sixth cavity 13.

The side wall of the second cavity 9 is also provided with a first opening 33 and a second opening 34; the drainage plate is equipped with first 35 and second 36 of drainage plate, be equipped with opening 33 and opening two 34 on the tip of first 35 of drainage plate and second 36 of drainage plate respectively, the other ejection of compact cavity 37 that is equipped with of opening 33 and opening two 34, the setting up of opening 33 and opening two 34 makes the not inside that the waste residue of equidimension can enter into ejection of compact cavity, be equipped with slope baffle two between fifth cavity 12 and the sixth cavity 13, ejection of compact cavity 37 and fifth cavity 12 set up for the intercommunication, be equipped with discharging pipe three on the bottom of fifth cavity 12, and all be equipped with the ooff valve on discharging pipe two and the discharging pipe three.

The diameter of a filter hole on the first water filtering plate 35 is larger than that of a filter hole on the second water filtering plate 36, and a filter screen 38 is arranged at the end part of the first discharge pipe 24; the auxiliary feeding mechanism comprises a first inclined plate 39, one end of the first inclined plate 39 is hinged, so that the first inclined plate 39 can rotate conveniently, a first vertical plate 40 is arranged at the end part of the first inclined plate 39, and the first vertical plate 40 and the first inclined plate 39 are integrally formed; first stirring cutting device includes motor two 41, and the output shaft of motor two 41 runs through the roof of first cavity 8, be equipped with on the output shaft of motor two 41 and transversely get rid of water board 42, cutting rod 43 and puddler 44 are located the below of transversely getting rid of water board 42, be equipped with vertical blade on the cutting rod 43, cutting rod 43 and puddler 44 are for being interrupted the setting, and be equipped with two sets ofly, be equipped with fixed blade 45 on the lateral wall of first cavity 8, and fixed blade 45 mutually supports with vertical blade, make when making the rubbish that gets into can stir abluent make and carry out preliminary smashing with it, thereby can wash the mud and the spot hidden in the old and useless plastics.

The transverse water slinger 42 is provided with a triangular water blocking block 46, a first through hole 47 is formed beside the triangular water blocking block 46, at least two first through holes 47 are formed between every two adjacent triangular water blocking blocks 46, the triangular water blocking blocks 46 are provided with a plurality of water blocking blocks, so that the speed and direction of water thrown out can be different in the rotating process, the cleaning effect is guaranteed, a water blocking plate 48 is arranged below the first through holes 47, and the diameter of the transverse water slinger 42 is the same as that of the cutting rod 43 and the stirring rod 44; the inclined feeding plate I28 is further provided with a transverse groove 49 and a vertical groove 50, the transverse groove 49 and the vertical groove 50 are at least provided with 7 strips, the transverse water throwing plate 42 enables cleaning water of the plate surface to be thrown out, and meanwhile separation is achieved under the effect of the water throwing plate 42, so that all parts of the first cavity can be washed by water, and preliminary cuttings are matched, hidden stains can be conveniently and conveniently cleaned, the inner parts of the transverse groove 49 and the vertical groove 50 are provided with two through holes 51, screening of waste and old garbage separation waste materials can be prevented, and sludge can be collected and flowed into the first cavity.

The lifting feeding plate 5 is also provided with a rotating plate I52, one end of the rotating plate I52 is connected through a hinge, the other end of the rotating plate I52 is connected through an electric telescopic rod 53, the electric telescopic rod 53 can freely lift and lower one end of the rotating plate I52, the periphery of the lifting feeding plate 5 is provided with a raised baffle 54, the raised baffle 54 is matched with the rotating plate I52, so that waste plastics can be ensured to be stable in the lifting process, the waste plastics can be accurately thrown in, the situation that the fed materials are scattered due to the gap between the rotating plate I52 and the feeding hopper 14 is prevented, and universal wheels are arranged at the bottoms of the processing box body 2 and the feeding device 3; and the back of the first vertical plate 40 is connected to the side wall by a spring 55.

A method of a device for recycling waste plastics comprises the following steps:

s1, recycling waste plastics, which specifically comprises the following steps:

s11, firstly pushing the feeding device 3 to a place needing to be stored according to actual needs, and then placing a certain amount of waste plastics on the first rotating plate 52; when a certain amount of waste plastics are stored on the first rotating plate 52, the feeding device 3 is pushed to the side of the feeding hopper 14 on the processing box body 2;

s12, then controlling the electric telescopic rod 53 and the hydraulic telescopic cylinder 7 to enable waste plastics on the first rotating plate 52 to be thrown into the feed hopper 14, and pushing the waste plastics into the first cavity 8 through manual operation under the action of the auxiliary feeding mechanism after the thrown waste plastics enter;

s13, after entering the first cavity 8, the plastic can be cleaned, the plastic can be cut under the action of a primary vertical blade, the sludge flows into the second cavity, and the waste plastic can be secondarily crushed by a crushing mechanism in the fourth cavity 11;

and S14, after the crushed plastic is crushed, the crushed plastic enters a sixth cavity 13 to be dried, and the dried plastic is treated in the next procedure.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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.

Claims

1. The utility model provides a device that waste plastic retrieves cycle recycle which characterized in that: the device comprises a device body, wherein the device body comprises a processing box body and a feeding device matched with the processing box body, the feeding device comprises a feeding base, a lifting feeding plate is arranged on the feeding base, push handles are arranged on two side edges of the feeding base, a hydraulic telescopic cylinder is arranged inside the feeding base, and the end part of a telescopic rod on the hydraulic telescopic cylinder is connected with the lifting feeding plate;

the utility model discloses a processing box, including processing box, feeding hopper, first cavity, second cavity, third cavity, fourth cavity, fifth cavity and sixth cavity, the inside of processing box is the cavity structure, and is equipped with first cavity, second cavity, third cavity, fourth cavity, fifth cavity and sixth cavity on the inside of processing box, be equipped with the feeder hopper on the lateral wall of processing box, and be equipped with supplementary feeding mechanism on the lateral wall of feeder hopper, be equipped with the feed inlet between first cavity and the supplementary feeding mechanism, supplementary feeding mechanism's below is equipped with the waste residue collecting box, and the below of waste residue collecting box is equipped with places the frame, be equipped with inlet pipe one on the top of first cavity, and the inside of first cavity is equipped with stirring comminution device one, the inside of second cavity is equipped with the drainage board, be equipped with motor one on the inside of third cavity, and the output shaft of motor one runs through the fourth cavity, be equipped with the comminution blade on the output shaft of motor one, the fifth cavity is the sediment cavity, the sixth cavity is the stoving chamber.

2. The apparatus for recycling waste plastics according to claim 1, wherein: the improved water-collecting device is characterized in that a filter residue through hole is formed in the bottom of the feeding hopper, the waste residue collecting box is placed on the placing frame, a first pump is arranged inside the placing frame, a first discharging pipe is arranged on the bottom of the second cavity, the first discharging pipe is provided with the first pump, a water collecting disc is arranged on the inner top wall of the first cavity, a plurality of inclined water outlet branch pipes are arranged on the water collecting disc, the water outlet branch pipes face the middle portion of the first cavity, and a first connecting pipe is arranged between the first discharging pipe and the water collecting disc.

3. The apparatus for recycling and reusing waste plastics according to claim 2, wherein: the improved multifunctional drying device is characterized in that a first inclined feeding plate is arranged between the first cavity and the second cavity, the height of the first inclined feeding plate is reduced from the feeding port in sequence, a second feeding pipe is arranged on the bottom of the first inclined feeding plate, the port of the second feeding pipe is located on the top of the fourth cavity, a first drying assembly and a second drying assembly are arranged inside the sixth cavity, the first drying assembly and the second drying assembly both comprise an air blower and a heating resistance wire, ventilation holes are formed in the side wall of the sixth cavity, the bottom of the fourth cavity is arranged in an inclined mode, and a discharging pipe second is arranged between the fourth cavity and the sixth cavity.

4. The apparatus for recycling waste plastics according to claim 3, wherein: the side wall of the second cavity is also provided with a first opening and a second opening; the water filter plate is provided with a first water filter plate and a second water filter plate, the end portions of the first water filter plate and the second water filter plate are respectively provided with a first opening and a second opening, a discharging cavity is formed by the first opening and the second opening, an inclined partition plate II is arranged between the fifth cavity and the sixth cavity, a discharging pipe III is arranged on the bottom of the fifth cavity, and a switch valve is arranged on the discharging pipe II and the discharging pipe III.

5. The apparatus for recycling and reusing waste plastics according to claim 4, wherein: the diameter of a filter hole on the first water filter plate is larger than that of a filter hole on the second water filter plate, and a filter screen is arranged at the end part of the first discharge pipe; the auxiliary feeding mechanism comprises a first inclined plate, one end of the first inclined plate is hinged, a first vertical plate is arranged at the end part of the first inclined plate, and the first vertical plate and the first inclined plate are integrally formed; stirring cutting device one includes motor two, and the output shaft of motor two runs through the roof of first cavity, be equipped with on the output shaft of motor two and transversely get rid of water board, cutting rod and puddler are located the below of transversely getting rid of the water board, be equipped with vertical blade on the cutting rod, cutting rod and puddler are for being interrupted the setting, and are equipped with two sets ofly, be equipped with fixed blade on the lateral wall of first cavity, and fixed blade mutually supports with vertical blade for make when the rubbish that gets into can stir abluent make and carry out preliminary smashing with it, thereby can wash the mud and the spot hidden in the old and useless plastics.

6. The apparatus for recycling and reusing waste plastics according to claim 5, wherein: the transverse water throwing plate is provided with a triangular water retaining block, a first through hole is formed beside the triangular water retaining block, at least two first through holes are formed between every two adjacent triangular water retaining blocks, a water retaining plate is arranged below the first through hole, and the diameter of the transverse water throwing plate is the same as that of the cutting rod and the stirring rod; the first inclined feeding plate is further provided with a transverse groove and a vertical groove, the transverse groove and the vertical groove are at least provided with 7 grooves, and through holes II are formed in the transverse groove and the vertical groove, so that screening of waste garbage blocking waste materials can be prevented, and sludge can be collected and flowed into the conveying plate.

7. The apparatus for recycling and reusing waste plastics according to claim 6, wherein: the lifting feeding plate is also provided with a first rotating plate, one end of the first rotating plate is connected through a hinge, the other end of the first rotating plate is connected through an electric telescopic rod, the electric telescopic rod can freely lift and lower one end of the first rotating plate, protruding baffles are arranged on the periphery of the lifting feeding plate, and universal wheels are arranged at the bottoms of the processing box body and the feeding device; and the back of the first vertical plate is connected with the side wall through a spring.

8. The method for recycling the waste plastics according to claim 7, characterized in that: the method comprises the following steps:

s1, recycling waste plastics, which specifically comprises the following steps:

s12, controlling an electric telescopic rod and a hydraulic telescopic cylinder to enable waste plastics on the first rotating plate to be thrown into a feed hopper, and pushing the waste plastics into a first cavity through manual operation under the action of an auxiliary feeding mechanism after the thrown waste plastics enter;

s13, after entering the first cavity, the plastic can be cleaned, the plastic can be cut under the action of the primary vertical blade, the sludge flows into the second cavity, and the waste plastic can be crushed for the second time by the crushing mechanism in the fourth cavity;