CN114872234A

CN114872234A - Recovery device for waste plastic regeneration

Info

Publication number: CN114872234A
Application number: CN202210588897.9A
Authority: CN
Inventors: 肖文革; 张丽萍; 荣超
Original assignee: Jieshou Hongda Plastic Industry Co ltd
Current assignee: Jieshou Hongda Plastic Industry Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-08-09

Abstract

The invention relates to a recovery device for waste plastic regeneration, which comprises a screening box, wherein a processing box is arranged on one side of the screening box, a separation mechanism is arranged on one side of the top end in the processing box, the separation mechanism comprises a fixed plate fixed with the inner side wall of the processing box, a sliding groove is formed in the surface of the fixed plate in a penetrating manner, two sliding seats are connected onto the sliding groove in a sliding manner, a supporting frame is connected into the sliding seats in a sliding manner, a magnetic roller is rotatably connected between the supporting frames on the two sides, a cleaning assembly and a drying assembly are arranged on one side of the separation mechanism, and a crushing box is arranged below one side of the processing box; the method solves the problems that in the prior patent, the obtained waste plastic can not meet the recycling requirement of regeneration due to the incomplete cleaning of impurities in the waste plastic, the recycling quality of the waste plastic is reduced, and the heavy metals in the waste plastic are difficult to separate, so that the environmental pollution is easily caused; simultaneously, the crushing mode in the recovery device is single, and the problems of different crushing requirements and the like cannot be met.

Description

Recovery device for waste plastic regeneration

Technical Field

The invention relates to the technical field of waste plastic recovery, in particular to a recovery device for waste plastic regeneration.

Background

The Chinese patent discloses a waste plastic tableware processing, recycling and regenerating device (publication number: CN112223598A), which comprises a crusher body, wherein a guide cylinder is fixedly arranged on the upper surface of the crusher body, a dredging device is fixedly arranged on the upper surface of the guide cylinder, a rolling support is fixedly arranged on the lower surface of the crusher body, an electric control box body is fixedly arranged on the front surface of the crusher body, a loading transfer box is arranged on the lower surface of the crusher body, and a filtering device is movably arranged in the loading transfer box. The waste plastic tableware processing, recycling and regenerating device provided by the invention belongs to the field of recycling and regenerating devices, can be used for plugging a material guide port, so that the recycling efficiency is improved, a loading transfer box and a crushing machine body can be combined, the loading transfer box is prevented from shaking and displacing during discharging, the efficiency of subsequent drying treatment is improved, a water filtering leakage net is flexibly disassembled and assembled, the subsequent cleaning or replacement is facilitated, and the practicability of the water filtering leakage net in actual use is better.

In the patent, the impurities in the waste plastics are not cleaned in place, so that the obtained waste plastics cannot meet the recovery requirement of regeneration, the recovery quality of the waste plastics is reduced, and the heavy metals in the waste plastics are difficult to separate, so that the environmental pollution is easily caused; meanwhile, the crushing mode in the recovery device is single, and different crushing requirements cannot be met.

In order to solve the above-mentioned drawbacks, a technical solution is now provided.

Disclosure of Invention

The invention aims to provide a recovery device for waste plastic regeneration.

The technical problems to be solved by the invention are as follows:

in the prior patent, impurities in waste plastics are not cleaned in place, so that the obtained waste plastics cannot meet the recovery requirement of regeneration, the recovery quality of the waste plastics is reduced, and heavy metals in the waste plastics are difficult to separate, so that environmental pollution is easily caused; meanwhile, the crushing mode in the recovery device is single, and different crushing requirements cannot be met.

The purpose of the invention can be realized by the following technical scheme:

a recovery device for waste plastic regeneration comprises a screening box, a processing box is arranged on one side of the screening box, a separating mechanism is arranged on one side of the top end in the processing box and comprises a fixed plate fixed to the inner side wall of the processing box, a sliding groove is formed in the surface of the fixed plate in a penetrating mode and is connected with two sliding seats in a sliding mode, supporting frames are connected in the sliding seats in a sliding mode, a magnetic roller is connected between the supporting frames on the two sides in a rotating mode, a cleaning assembly and a drying assembly are arranged on one side of the separating mechanism and are used for cleaning and drying waste plastic respectively, a crushing box is arranged below one side of the processing box, two moving plates are connected to the two inner sides of the crushing box in a sliding mode, crushing rods are connected between the two moving plates on the two sides in a rotating mode, and sliding rods and screw rods which are symmetrically distributed are arranged on the two inner sides of the crushing box, the lifting seats are respectively sleeved between the sliding rods on the two sides and the screw rod and are in threaded connection with the screw rod, and the lifting seats on the two sides are respectively in hinged connection with the connecting rods between the two moving plates on the two sides.

Further, top one side of screening case is fixed with the feeding case, and the internal surface rotation of feeding case is connected with the feeding pole, and the external fixed surface of feeding pole has the feeding board, and the one end of feeding pole is passed the feeding case and is fixed with the turning block, and outside one side of feeding case is rotated and is connected with the feeding cylinder, the output and the turning block hinged joint of feeding cylinder.

Further, be provided with a plurality of screening boards in the screening incasement in the vertical direction, a plurality of screening boards all incline to set up and adjacent screening board slope opposite direction, and the bottom of screening board is fixed with first collection room, and the one end lateral wall of screening board is fixed with vibrating motor, and the silo has been seted up down on the other end surface of screening board runs through.

Furthermore, an air pipe is fixed to one side of the inside of the screening box, a plurality of spray heads are arranged at one end of the air pipe, a fan is fixed to one side of the outside of the screening box, and a second collecting chamber is fixed to the other side of the outside of the screening box.

Further, the both sides of processing case are run through and are provided with the transport table, and the internal surface both ends of transport table all rotate and are connected with the drive wheel, install the transportation belt between two drive wheels, and the both ends below of transport table all is equipped with the lift cylinder, and the output and the transport table lateral wall of lift cylinder are fixed mutually.

Furthermore, a rotating disc is connected in the processing box in a rotating mode, a rotating column is fixed at the position, close to the edge, of the rotating disc, sliding plates are jointly fixed at the tops of the two sliding seats, a rack is fixed at the top of each sliding plate, a half gear meshed with the rack is connected to the inner surface of the processing box in a rotating mode, a transmission rod is fixed at the top of each half gear, and a movable groove movably connected with the rotating column is formed in the transmission rod.

Further, bottom one side of fixed plate is fixed with the clearance cylinder, and the output of clearance cylinder is fixed with the slide, and the bottom of slide is rotated and is connected with the scraper blade, and the top of scraper blade and slide bottom are fixed with first butt spring, are fixed with the second butt spring between inside bottom of sliding seat and the support frame.

Furthermore, the outer surface of two crushing poles is fixed with first crushing roller and second crushing roller respectively, and outside one side of broken case is fixed with crushing motor, and crushing motor's output passes broken case and is fixed with first belt pulley, and the outer surface of one of them crushing pole is fixed with the second belt pulley, installs driving belt between first belt pulley and the second belt pulley, and the inside bottom mounting of broken case has the storage compartment.

The invention has the beneficial effects that:

the invention can fully clean the impurities in the waste plastics, thereby greatly improving the recovery quality of the waste plastics; through setting up the screening case, through the rotation of feeding cylinder cooperation turning block control feeding pole, thereby drive the angle that the feed plate was adjusted and is fed the case, control feeding volume and input speed, it makes after the waste plastic through the feeding case gets into the screening case to be convenient for the device keeps efficient operating speed, cooperation tuber pipe and shower nozzle separate the debris that the quality is lighter in to waste plastic under the effect of fan, and get into in the second collecting chamber, all the other waste plastic cooperate vibrating motor to filter on the screening board that the slope set up, make the tiny particle impurity among the waste plastic sieve to go into in the first collecting chamber, and improve the effect of sieving under the repeated sieve of a plurality of screening boards.

Through setting up separating mechanism, make the rotation motor drive the rolling disc and rotate, thereby cooperation rotation post and movable groove drive the reciprocal swing of transfer line, thereby drive the half-gear at the reciprocal rotation of processing incasement wall, cooperation rack drives the sliding seat reciprocating sliding of sliding plate bottom, it is reciprocating motion to drive the magnetism roller, under the effect of second butt spring, make the magnetism roller remain the butt with the waste plastic on the transportation belt all the time, thereby make the magnetism roller fully adsorb and separate the heavy metal impurity in the waste plastic, the separation motor drives the rotation of magnetism roller and guarantees that magnetism roller surface is even to adsorb, improve adsorption effect, after the separation, the clearance jar promotes the slide and removes, thereby drive the scraper blade and remove to magnetism roller surface, clear up the heavy metal impurity who adsorbs on the magnetism roller, keep the adsorption effect of magnetism roller.

Through setting up broken case, make waste plastic get into broken incasement, drive first belt pulley through broken motor and rotate, cooperation driving belt drives the second belt pulley and rotates, thereby drive first crushing roller and second crushing roller and rotate, carry out broken recovery to waste plastic, and simultaneously, the adjustment motor drives the lead screw and rotates, the cooperation slide bar drives the seat lift, thereby two connecting rods of cooperation are adjusted the distance between two movable plates, thereby two adjust the distance between first crushing roller and the second crushing roller, obtain the plastic granules of different specifications, satisfy different production demands.

Drawings

The invention is described in further detail below with reference to the figures and specific embodiments.

FIG. 1 is a schematic structural view of a recycling apparatus for waste plastic recycling according to the present invention;

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

FIG. 3 is a schematic view showing the internal structure of the screening chamber of the present invention;

FIG. 4 is a top view of the internal structure of the screening box of the present invention;

FIG. 5 is a schematic view of the separating mechanism of the present invention;

FIG. 6 is a side view of the internal structure of the crushing box of the present invention;

fig. 7 is a schematic view of the internal structure of the crushing box of the present invention.

In the figure: 1. a screening box; 2. a processing box; 3. a separating mechanism; 4. cleaning the assembly; 5. a drying assembly; 6. a crushing box; 101. a feeding box; 1011. rotating the block; 1012. a feed cylinder; 102. a screening plate; 103. a first collection chamber; 104. a vibration motor; 105. a discharging groove; 106. a discharge port; 107. an air duct; 108. a spray head; 109. a fan; 110. a second collection chamber; 201. a transport table; 202. a conveyor belt; 203. a lifting cylinder; 301. a fixing plate; 302. a sliding groove; 303. a sliding seat; 304. a support frame; 305. a magnetic roller; 306. rotating the disc; 307. rotating the column; 308. a sliding plate; 309. a half gear; 310. a transmission rod; 311. a movable groove; 312. cleaning the air cylinder; 313. a squeegee; 314. a first abutting spring; 315. a second abutting spring; 601. moving the plate; 602. a first crushing roller; 603. a second crushing roller; 604. a slide bar; 605. a screw rod; 606. a lifting seat; 607. a connecting rod; 608. a crushing motor; 609. a first pulley; 610. a drive belt; 611. adjusting the motor; 612. a storage chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution:

the utility model provides a recovery unit for waste plastic regeneration, including screening case 1, top one side of screening case 1 is equipped with feeding case 101, feeding case 101 is used for carrying out the feeding to waste plastic, screening case 1 is arranged in clearing up debris and impurity in the waste plastic, select the plastics that satisfy the demand of can regenerating simultaneously, one side of screening case 1 is equipped with processing case 2, screening case 1 is fixed on processing case 2, inside top one side of processing case 2 is equipped with separating mechanism 3, one side of separating mechanism 3 is equipped with cleaning assembly 4 and drying assembly 5, separating mechanism 3 is used for carrying out the heavy metal separation to the waste plastic after the screening, cleaning assembly 4 and drying assembly 5 wash and dry waste plastic respectively, one side below of processing case 2 is equipped with broken case 6, broken case 6 is used for carrying out broken recovery to waste plastic.

Referring to fig. 2, a feeding rod is rotatably connected to the inner surface of the feeding box 101, a feeding plate is fixed to the outer surface of the feeding rod, one end of the feeding rod penetrates through the feeding box 101 and is fixed with a rotating block 1011, a feeding cylinder 1012 is rotatably connected to one side of the outer portion of the feeding box 101, and the output end of the feeding cylinder 1012 is hinged to the rotating block 1011. Through feeding cylinder 1012 cooperation turning block 1011 control feeding pole rotation to drive the angle that the feed plate was adjusted and feeding case 101, control feeding volume and input speed, the device of being convenient for keeps efficient operating speed.

Referring to fig. 3-4, a plurality of screening plates 102 are vertically arranged in a screening box 1, the plurality of screening plates 102 are inclined and arranged, the inclination directions of adjacent screening plates 102 are opposite, a filter screen is mounted on each screening plate 102, the apertures of the filter screens on the plurality of screening plates 102 are different, impurities with different apertures can be screened in batches, screening efficiency is improved, a first collecting chamber 103 is fixed at the bottom of each screening plate 102, the first collecting chamber 103 is used for collecting screened impurities, a vibrating motor 104 is fixed on the side wall of one end of each screening plate 102, a discharging groove 105 is arranged on the surface of the other end of each screening plate 102 in a penetrating manner, the vibrating motor 104 and the discharging groove 105 on the adjacent screening plates 102 are located on different sides, a discharging port 106 is arranged at the bottom end of one side of each screening box 1, an air pipe 107 is fixed on one side of the inside of each screening box 1, a plurality of spray nozzles 108 are arranged at one end of each air pipe 107, a fan 109 is fixed on one side of the outside of each screening box 1, a second collecting chamber 110 is fixed on the other side of the exterior of the screening box 1, the second collecting chamber 110 is communicated with the interior of the screening box 1, and the output end of the fan 109 is communicated with the air pipe 107. Through setting up screening case 1 for after the waste plastic through feeding case 101 gets into screening case 1, cooperate tuber pipe 107 and shower nozzle 108 to separate the debris that the quality is lighter in the waste plastic under fan 109's effect, and get into second collection room 110 in, all the other waste plastics cooperate vibrating motor 104 to screen on the screening board 102 that the slope set up, make in the small particle impurity sieve of waste plastic gets into first collection room 103, and improve the effect of sieving under the repeated sieve of a plurality of screening boards 102.

Processing case 2's both sides all run through and have seted up logical groove, it is provided with transport table 201 to run through in the groove, the internal surface both ends of transport table 201 all rotate and are connected with the drive wheel, install transportation belt 202 between two drive wheels, the one end of transportation belt 202 is located the below of discharge gate 106, one side of transport table 201 is fixed with the transportation motor, the output of transportation motor passes transport table 201 and fixes mutually rather than one of them drive wheel, the both ends below of transport table 201 all is equipped with lift cylinder 203, the output and the transport table 201 lateral wall of lift cylinder 203 are fixed mutually.

Referring to fig. 5, the separating mechanism 3 includes a fixing plate 301 fixed to the inner side wall of the processing box 2, a sliding groove 302 is formed through the surface of the fixing plate 301, two sliding seats 303 are slidably connected to the sliding groove 302, an opening is formed in the bottom of the sliding seat 303, supporting frames 304 are slidably connected to the inside of the sliding seat 303, magnetic rollers 305 are rotatably connected between the supporting frames 304 on the two sides, a separating motor is fixed to the side surface of one of the supporting frames 304, and an output end of the separating motor passes through the supporting frame 304 and is fixed to the magnetic rollers 305; a rotating motor is fixed on one side of the outer part of the processing box 2, the output end of the rotating motor penetrates through the processing box 2 and is fixed with a rotating disc 306, a rotating column 307 is fixed at the position of the rotating disc 306 close to the edge, sliding plates 308 are jointly fixed on the tops of the two sliding seats 303, a rack is fixed on the top of each sliding plate 308, a half gear 309 meshed with the rack is rotatably connected to the inner surface of the processing box 2, a transmission rod 310 is fixed on the top of each half gear 309, and a movable groove 311 movably connected with the rotating column 307 is formed in the transmission rod 310; the bottom one side of fixed plate 301 is fixed with clearance jar 312, and the output of clearance jar 312 is fixed with the slide, the bottom sliding connection of slide and fixed plate 301, and the bottom of slide is rotated and is connected with scraper blade 313, and the top of scraper blade 313 and slide bottom are fixed with first butt spring 314, are fixed with second butt spring 315 between inside bottom of sliding seat 303 and the support frame 304. Through the arrangement of the separation mechanism 3, the rotating motor drives the rotating disc 306 to rotate, so that the rotating column 307 and the movable groove 311 are matched to drive the transmission rod 310 to swing back and forth, the half gear 309 is driven to rotate back and forth on the inner wall of the processing box 2, the rack is matched to drive the sliding seat 303 at the bottom of the sliding plate 308 to slide back and forth, the magnetic roller 305 is driven to do reciprocating motion, under the action of the second abutting spring 315, the magnetic roller 305 is always kept abutting against the waste plastic on the conveying belt 202, so that the magnetic roller 305 can fully adsorb and separate heavy metal impurities in the waste plastic, the separation motor drives the magnetic roller 305 to rotate, the surface of the magnetic roller 305 is ensured to be uniformly adsorbed, the adsorption effect is improved, after the separation is finished, the cleaning air cylinder 312 pushes the sliding plate to move, the scraper 313 is driven to move to the surface of the magnetic roller 305, and the heavy metal impurities adsorbed on the magnetic roller 305 are cleaned, the attracting effect of the magnet roller 305 is maintained.

Referring to fig. 6-7, an opening is formed at the top of the crushing box 6, the crushing box 6 is located below one end of the conveying belt 202, two moving plates 601 are slidably connected to two sides of the interior of the crushing box 6, a crushing rod is rotatably connected between the two moving plates 601 at two sides, a first crushing roller 602 and a second crushing roller 603 are respectively fixed on the outer surfaces of the two crushing rods, a sliding rod 604 and a screw rod 605 are symmetrically arranged on two sides of the interior of the crushing box 6, the sliding rod 604 is fixedly connected with the inner end wall of the crushing box 6, the screw rod 605 is rotatably connected with the end wall of the crushing box 6, a lifting seat 606 is respectively sleeved between the sliding rod 604 and the screw rod 605 at two sides, the lifting seat 606 at two sides is respectively connected with a connecting rod 607 between the two moving plates 601 at two sides through a hinge, two crushing motors 608 are fixed on one side of the exterior of the crushing box 6, the output end of the crushing motor 608 passes through the crushing box 6 and is fixed with a first belt pulley 609, the outer surfaces of the two crushing rods are respectively fixed with a second belt pulley, a transmission belt 610 is arranged between the first belt pulley 609 and the second belt pulley, the top of the crushing box 6 is fixed with two symmetrically distributed adjusting motors 611, the output ends of the two adjusting motors 611 penetrate through the crushing box 6 and are respectively fixed with the two screw rods 605, and the bottom end of the inner part of the crushing box 6 is fixed with a storage chamber 612. Through setting up broken case 6, make in waste plastic gets into broken case 6, drive first belt pulley 609 through broken motor 608 and rotate, cooperation driving belt 610 drives the second belt pulley and rotates, thereby drive first crushing roller 602 and second crushing roller 603 and rotate, carry out broken recovery to waste plastic, and simultaneously, accommodate motor 611 drives lead screw 605 and rotates, cooperation slide bar 604 drives lift seat 606 and goes up and down, thereby cooperate two connecting rods 607 to adjust the distance between two movable plates 601, thereby adjust the distance between first crushing roller 602 and the second crushing roller 603, after the regulation finishes, driving belt 610 need be changed, obtain the plastic granules of different specifications, satisfy different production demands.

The working principle is as follows:

when the screening box is used, waste plastics are put into the screening box 1 through the feeding box 101, impurities with light weight in the waste plastics are separated through the fan 109 matched with the air pipe 107 and the spray head 108 and blown into the second collecting chamber 110, and the rest waste plastics are screened on the obliquely arranged screening plates 102 matched with the vibration motor 104, so that small particle impurities in the waste plastics are screened out into the first collecting chamber 103, and the screening effect is improved under the repeated screening of the screening plates 102;

the waste plastic after being screened falls on the conveying belt 202 for transportation, the rotating motor is started to drive the rotating disc 306 to rotate, the rotating column 307 and the movable groove 311 are matched to drive the transmission rod 310 to swing in a reciprocating manner, the half gear 309 is driven to rotate in a reciprocating manner on the inner wall of the processing box 2, the rack is matched to drive the sliding seat 303 at the bottom of the sliding plate 308 to slide in a reciprocating manner, the magnetic roller 305 is driven to do reciprocating movement, under the action of the second abutting spring 315, the magnetic roller 305 is always kept in abutting connection with the waste plastic on the conveying belt 202, so that the magnetic roller 305 can fully adsorb and separate heavy metal impurities in the waste plastic, the separating motor drives the magnetic roller 305 to rotate to ensure that the surface of the magnetic roller 305 is uniformly adsorbed, the adsorption effect is improved, after the separation is finished, the cleaning air cylinder 312 pushes the sliding plate to move, the scraper 313 is driven to move to the surface of the magnetic roller 305, and the heavy metal impurities adsorbed on the magnetic roller 305 are cleaned, the attracting effect of the magnetic roller 305 is maintained;

waste plastic after impurity clearance is accomplished continues to carry along with conveyor belt 202, and wash and dry under the effect of cleaning assembly 4 and stoving subassembly 5, finally fall into crushing case 6, start crushing motor 608 and drive first belt pulley 609 and rotate, cooperation driving belt 610 drives the rotation of second belt pulley, thereby drive first crushing roller 602 and second crushing roller 603 and rotate, carry out broken recovery to waste plastic, and simultaneously, adjusting motor 611 drives lead screw 605 and rotates, cooperation slide bar 604 drives lift seat 606 and goes up and down, thereby cooperate two connecting rods 607 to adjust the distance between two movable plates 601, thereby two adjust the distance between first crushing roller 602 and the second crushing roller 603, obtain the plastic granules of different specifications, satisfy different production demands.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. A recovery device for waste plastic regeneration comprises a screening box (1), wherein one side of the screening box (1) is provided with a processing box (2), and the recovery device is characterized in that one side of the top end inside the processing box (2) is provided with a separating mechanism (3), the separating mechanism (3) comprises a fixing plate (301) fixed to the inner side wall of the processing box (2), the surface of the fixing plate (301) is provided with a sliding groove (302) in a penetrating manner, the sliding groove (302) is connected with two sliding seats (303) in a sliding manner, the sliding seats (303) are connected with a supporting frame (304) in a sliding manner, a magnetic roller (305) is rotatably connected between the supporting frames (304) at two sides, one side of the separating mechanism (3) is provided with a cleaning component (4) and a drying component (5), the cleaning component (4) and the drying component (5) respectively clean and dry waste plastic, a crushing box (6) is arranged below one side of the processing box (2), the two movable plates (601) are connected to two sides of the inner portion of the crushing box (6) in a sliding mode, crushing rods are connected between the two movable plates (601) on the two sides in a rotating mode, sliding rods (604) and screw rods (605) which are symmetrically distributed are arranged on two sides of the inner portion of the crushing box (6), lifting seats (606) are sleeved between the sliding rods (604) and the screw rods (605), the lifting seats (606) are in threaded connection with the screw rods (605), and connecting rods (607) are hinged between the lifting seats (606) on the two sides and the two movable plates (601) on the two sides respectively.

2. The recycling device for recycling waste plastics according to claim 1, characterized in that a feeding box (101) is fixed on one side of the top of the screening box (1), a feeding rod is rotatably connected to the inner surface of the feeding box (101), a feeding plate is fixed on the outer surface of the feeding rod, one end of the feeding rod passes through the feeding box (101) and is fixed with a rotating block (1011), a feeding cylinder (1012) is rotatably connected to one side of the outer part of the feeding box (101), and the output end of the feeding cylinder (1012) is hinged with the rotating block (1011).

3. The recycling device for recycling waste plastics according to claim 1, wherein a plurality of screening plates (102) are vertically arranged inside the screening box (1), the screening plates (102) are all obliquely arranged, the oblique directions of the adjacent screening plates (102) are opposite, a first collecting chamber (103) is fixed at the bottom of each screening plate (102), a vibrating motor (104) is fixed on one side wall of each screening plate (102), and a discharging groove (105) is formed in the other end surface of each screening plate (102) in a penetrating manner.

4. The recycling device for recycling waste plastics according to claim 1, characterized in that an air pipe (107) is fixed on one side of the interior of the screening box (1), one end of the air pipe (107) is provided with a plurality of nozzles (108), a fan (109) is fixed on one side of the exterior of the screening box (1), and a second collecting chamber (110) is fixed on the other side of the exterior of the screening box (1).

5. The recycling device for recycling waste plastics according to claim 1, wherein a transportation platform (201) is arranged on two sides of the processing box (2) in a penetrating manner, two ends of the inner surface of the transportation platform (201) are rotatably connected with driving wheels, a transportation belt (202) is arranged between the two driving wheels, a lifting cylinder (203) is arranged below two ends of the transportation platform (201), and the output end of the lifting cylinder (203) is fixed with the side wall of the transportation platform (201).

6. The recycling device for recycling waste plastics according to claim 1, characterized in that a rotating disc (306) is rotatably connected in the processing box (2), a rotating column (307) is fixed at a position of the rotating disc (306) close to the edge, a sliding plate (308) is jointly fixed at the tops of the two sliding seats (303), a rack is fixed at the top of the sliding plate (308), a half gear (309) meshed with the rack is rotatably connected to the inner surface of the processing box (2), a transmission rod (310) is fixed at the top of the half gear (309), and a movable groove (311) movably connected with the rotating column (307) is formed in the transmission rod (310).

7. The recycling device for recycling waste plastics, according to claim 1, is characterized in that a cleaning cylinder (312) is fixed on one side of the bottom of the fixing plate (301), a sliding plate is fixed on the output end of the cleaning cylinder (312), a scraping plate (313) is rotatably connected to the bottom of the sliding plate, a first abutting spring (314) is fixed on the top of the scraping plate (313) and the bottom of the sliding plate, and a second abutting spring (315) is fixed between the bottom end of the inside of the sliding seat (303) and the supporting frame (304).

8. The recycling device for recycling waste plastics according to claim 1, wherein the outer surfaces of the two crushing rods are respectively fixed with a first crushing roller (602) and a second crushing roller (603), one side of the outer part of the crushing box (6) is fixed with two crushing motors (608), the output ends of the crushing motors (608) penetrate through the crushing box (6) and are fixed with a first belt pulley (609), the outer surfaces of the two crushing rods are both fixed with a second belt pulley, a transmission belt (610) is installed between the first belt pulley (609) and the second belt pulley, and the bottom end of the inner part of the crushing box (6) is fixed with a storage chamber (612).