CN114082753A

CN114082753A - Plastic bag degradation preprocessing device

Info

Publication number: CN114082753A
Application number: CN202111385541.7A
Authority: CN
Inventors: 张国新
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-02-25

Abstract

The invention belongs to the field of plastic bag recovery, and relates to a plastic bag degradation pretreatment device which comprises a shell, wherein an outer cavity is fixedly arranged in the shell, an inner round barrel is fixedly arranged in the outer cavity, an inner cavity is fixedly arranged at the upper end of the inner round barrel, a crushing device is arranged in the inner cavity and used for crushing plastic bags, a cleaning barrel is fixedly arranged at the lower end of the inner round barrel, a cleaning cavity is fixedly arranged in the cleaning barrel, a cleaning device is arranged in the cleaning cavity and used for cleaning, washing and air-drying the crushed plastic bags. The invention carries out crushing treatment after recycling the waste plastic bag, increases the crushing force, reduces the thickness of the plastic bag, carries out washing, rinsing and air drying on the plastic bag, provides a good reaction environment for the subsequent degradation of the plastic bag and improves the degradation rate.

Description

Plastic bag degradation preprocessing device

Technical Field

The invention belongs to the field of plastic bag recovery, and particularly relates to a pretreatment device for degradation of a plastic bag.

Background

It is well known that in the environment of environmental work today, degradability has become an essential requirement for plastics, and the reliance on plastic bags has also reflected everywhere in life.

For the degradable plastic bag, the time length of the degradation process is long because the volume of the plastic bag is large, and the time required by degradation is greatly influenced.

The common plastic bags in life are often used for treating garbage packages in life, so that a large amount of pollutants such as bacteria or organic matters exist in the plastic bags generally, more or less influence is generated on the subsequent plastic degradation, the degradation time is prolonged, and the degradation completion degree is reduced to a certain extent.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a plastic bag degradation pretreatment device which can crush plastic before degradation and can clean the plastic to provide a good foundation for subsequent degradation.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a pretreatment device for degradation of plastic bags, which comprises a housin, the casing internal fixation is equipped with the exocoel, the cask in the fixed being equipped with of exocoel, the fixed inner chamber that is equipped with in interior cask upper end, the intracavity sets up and stirs the comminution device, stirs the comminution device and is used for smashing the plastic bag, interior cask lower extreme is fixed to be equipped with and washs the bucket, it is equipped with the washing chamber to wash bucket internal fixation, it sets up belt cleaning device to wash the intracavity, and belt cleaning device is used for carrying out clear washing liquid and air-drying with the plastic bag after smashing.

Further, stir garrulous device is including fixed the fixed block that sets up at the casing downside, fixed cask in being equipped with on the fixed block, the fixed pan feeding mouth that is equipped with in casing upper end, the fixed first motor that is equipped with on the lateral wall on the exocoel, the output of first motor rotates and is equipped with first motor shaft, the fixed forward bevel gear that is equipped with on the first motor shaft, the fixed garrulous rotor plate that stirs that is equipped with on the first motor shaft, interior cask upper wall internal rotation is equipped with reverse axis of rotation, the last fixed look number reverse rotation wheel of reverse axis of rotation, it is equipped with the rotation cover to rotate on the lateral wall on the inner chamber, the rotation is sheathe in and is fixed to be equipped with reverse bevel gear, the rotation sheathes in and is fixed to be established stir garrulous rotor plate, forward bevel gear with the meshing of reverse rotation wheel, reverse rotation wheel with reverse bevel gear meshing.

Further, a funnel is fixedly arranged at the lower end of the inner cavity, three funnel rotating rings are rotatably arranged on the funnel, a plurality of sliding blocks are slidably arranged in the three funnel rotating rings, a plurality of sliding grooves are formed in the three funnel rotating rings, a plurality of sliding blocks are slidably arranged in the plurality of sliding grooves, a first spring is connected between the plurality of sliding blocks and the funnel rotating rings, an oblique sliding groove is fixedly arranged at the lower end of the plurality of sliding blocks, a sliding push rod is slidably arranged in the funnel rotating rings, a second spring is connected between the sliding push rod and the cleaning inlet, the sliding push rod can be slidably arranged in the oblique sliding groove, an extending block is fixedly arranged on the sliding blocks, a rotating shaft is rotatably arranged on the extending block, a hook is fixedly arranged on the rotating shaft, a torsional spring is fixedly connected between the extending block and the rotating shaft, an upper rack is fixedly arranged at the upper end of the middle funnel rotating ring, and a lower rack is fixedly arranged at the lower end of the middle funnel rotating ring.

Further, the funnel rotates and is equipped with two slant gear shafts, two the slant gear that is fixed to be equipped with on the slant gear shaft, upper portion the fixed rack down that is equipped with of funnel rotating ring lower extreme, lower part the fixed rack that is equipped with in funnel rotating ring upper portion, go up the rack with slant gear engagement, the slant gear with rack engagement, middle part down the fixed positive rack that is equipped with on the funnel rotating ring, the funnel internal fixation is equipped with the third motor, the output of third motor rotates and is equipped with the third motor shaft, the last fixed rotatory gear that is equipped with of third motor shaft, rotatory gear with positive rack engagement, the fixed funnel feed opening that is equipped with of funnel lower extreme.

Further, the cleaning device comprises a cleaning barrel fixedly arranged at the lower end of the inner circular barrel, a cleaning inlet is fixedly arranged at the upper end of the cleaning barrel, a screw rod is fixedly arranged at the upper end of the cleaning barrel, a second motor is fixedly arranged on the lower side surface of the shell, a second motor shaft is rotatably arranged at the output end of the second motor, a lifting fixing ring is slidably arranged on the second motor shaft, a lifting groove is fixedly arranged in the cleaning barrel, the lifting fixing ring is slidably arranged in the lifting groove, a lifting fixing block is fixedly arranged on the lifting fixing ring, a rotating disc is rotatably arranged at the lower end of the cleaning barrel, four lifting columns are fixedly arranged on the rotating disc, the rotating disc and the second motor shaft can be fixedly connected with the lifting fixing ring, the cleaning barrel and the second motor shaft can be fixedly connected with the lifting fixing ring, and a rotating block is rotatably connected to the screw rod, the fixed rotating block is meshed with the screw rod, the four stirring plates are fixedly arranged on the fixed rotating block, and the lifting columns are fixedly arranged on the four stirring plates.

Further, the cleaning barrel is fixedly provided with a plurality of dehydration chutes, a plurality of dehydration chutes are internally hung and supported by a camera rotating plate sliding rod, the rotating plate sliding rod is fixedly provided with a rotating plate, and the cleaning barrel is fixedly provided with a plurality of blowers.

The plastic bag is poured into the inner cavity through the material inlet, the first motor is started to drive the first motor shaft to rotate, the first motor shaft rotates to drive the forward bevel gear to rotate, the forward bevel gear rotates to drive the reverse rotating wheel to rotate, the reverse bevel gear which is connected with the reverse rotating wheel rotates, the reverse bevel gear rotates to drive the rotating sleeve to rotate, the rotating sleeve rotates to drive the crushing rotating sheet to rotate, the first motor shaft rotates to drive the lower end crushing rotating sheet to rotate, and the entering waste plastic bag is crushed for the first time in a reverse rotating mode.

The crushed plastic bag falls into a funnel, a third motor is started, the third motor rotates to drive a third motor shaft to rotate, the third motor shaft rotates a rotating gear with the third motor shaft, the rotating gear rotates to drive a positive rack to rotate, the positive rack rotates to drive a funnel rotating ring to rotate, the funnel rotating ring rotates to drive two oblique gears to rotate, the oblique gears rotate to drive upper and lower funnel rotating rings to rotate, the funnel rotating rings rotate to drive a sliding block to rotate, the sliding block rotates to drive a torsional spring to rotate, the crushed plastic bag is hooked by a vertical reverse hook to be pulled apart again, when the sliding block rotates to pass through the upper part of a sliding push rod, the sliding push rod slides in an oblique sliding groove, the sliding push rod pulls the sliding block outwards, the extending block pulls back the extending block to straighten the hook to enable the hooked plastic bag to fall off, and the plastic bag is pulled apart by adopting a reverse rotation mode, and the plastic bag is dropped off after the breaking.

Accomplish crushing back, plastic bag funnel feed opening in the funnel gets into in the washing bucket, start the second motor and drive the second motor shaft and rotate, the solid fixed ring that makes of automatically controlled lift this moment goes up and down solid fixed ring and rolling disc fixed connection, the second motor shaft rotates and drives the rolling disc and rotate, the rolling disc rotates and drives the lift post and rotates, the lift post rotates and drives the stirring board and rotate, it rotates to mix the board and drive fixed turning block, fixed turning block meshes with the hob when rotating, drive fixed turning block upward movement, fixed turning block upward movement drives and stirs the board upward movement, reach the top when stirring the board, reverse through automatically controlled second motor, mix the board whereabouts, reciprocal rotatory washing from top to bottom, more abundant wash the plastic bag.

When finishing washing and dehydrating, go up and down solid fixed ring lapse through some division, wash bucket and second motor shaft fixed connection, the second motor starts to drive the second motor shaft and rotates, the second motor shaft rotates and drives and washs the bucket rotation, enter the item through automatically controlled with the rotor plate slide bar to the direction of dehydration spout this moment and slide the rotor plate slide bar and drive the rotor plate and rotate to wasing the bucket inner wall, the aperture has appeared on the wall of washing bucket, rotatory dehydration, liquid is the aperture again driven, dehydration is accomplished after a period of time, start the fan this moment, the fan starts to blow in the washing bucket, the plastic bag area that is stained with on the washing bucket inner wall breaks away from under blowing and avoids, the plastic bag after accomplishing the washing dehydration simultaneously air-dries the processing, facilitate for follow-up degradation process.

Drawings

Fig. 1 is a schematic structural view of a plastic bag degradation pretreatment device.

Fig. 2 is a sectional view taken along a line a-a in fig. 1.

Fig. 3 is an enlarged view of the structure at B in fig. 1.

Fig. 4 is an enlarged view of the structure at C in fig. 1.

Fig. 5 is an enlarged view of the structure at D in fig. 1.

Fig. 6 is a sectional view taken along the direction E-E in fig. 1.

In the figure, 10, the housing; 11. a reverse bevel gear; 12. an inner barrel; 13. a lifting fixing ring; 14. a funnel; 15. cleaning the inlet; 16. a washing barrel; 17. a fixed block; 18. a second motor; 19. a water outlet; 20. fixing the rotating block; 21. stirring the plate; 22. a lifting column; 23. a cleaning chamber; 24. a rotating plate; 25. a screw rod; 26. an outer cavity; 27. crushing the rotating sheet; 28. an inner cavity; 29. a lifting groove; 30. lifting the fixed block; 31. rotating the sleeve; 32. a reverse rotating shaft; 33. a counter-rotating wheel; 34. a forward bevel gear; 35. a first motor; 36. a feeding port; 37. a first motor shaft; 38. a funnel rotating ring; 39. an oblique chute; 40. a sliding groove; 41. a second motor shaft; 42. rotating the disc; 43. a slider; 44. a protruding block; 45. a first spring; 46. a second spring; 47. a torsion spring; 48. a rotating shaft; 49. hooking; 50. an upper rack; 51. a sliding push rod; 52. a lower rack; 53. an oblique gear; 54. an oblique gear shaft; 55. a blower; 56. rotating the plate slide bar; 57. a dewatering chute; 58. a positive rack; 59. a rotating gear; 60. a third motor; 61. a third motor shaft; 62. a hopper feed opening.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, a pretreatment device for degradation of plastic bags, which comprises a shell 10, wherein an outer cavity 26 is arranged in the shell 10, an inner barrel 12 is arranged in the outer cavity 26, an inner cavity 28 is arranged at the upper end of the inner barrel 12, a stirring device is arranged in the inner cavity 28 and is used for crushing the plastic bags, a cleaning barrel 16 is arranged at the lower end of the inner barrel 12, a cleaning cavity 23 is arranged in the cleaning barrel 16, a cleaning device is arranged in the cleaning cavity 23, and the cleaning device is used for cleaning washing water and air-drying the crushed plastic bags.

As shown in fig. 1, the crushing device includes a fixed block 17 fixedly disposed at the lower side of the housing 10, an inner barrel 12 is fixedly disposed on the fixed block 17, a feeding port 36 is fixedly disposed at the upper end of the housing 10, a first motor 35 is fixedly disposed on the upper side wall of the outer cavity 26, a first motor shaft 37 is rotatably disposed at the output end of the first motor 35, a forward bevel gear 34 is fixedly disposed on the first motor shaft 37, a crushing rotating plate 27 is fixedly disposed on the first motor shaft 37, a reverse rotating shaft 32 is rotatably disposed on the upper wall of the inner barrel 12, a color number reverse rotating wheel 33 is fixedly disposed on the reverse rotating shaft 32, a rotating sleeve 31 is rotatably disposed on the upper side wall of the inner cavity 28, a reverse bevel gear 11 is fixedly disposed on the rotating sleeve 31, the crushing rotating plate 27 is fixedly disposed on the rotating sleeve 31, the forward bevel gear 34 is engaged with the reverse rotating wheel 33, and the reverse rotating wheel 33 is engaged with the reverse bevel gear 11.

As shown in fig. 1, 2 and 3, the lower end of the inner cavity 28 is fixedly provided with a funnel 14, the funnel 14 is rotatably provided with three funnel rotating rings 38, a plurality of sliding blocks 43 are slidably provided in the three funnel rotating rings 38, a plurality of sliding grooves 40 are provided in the three funnel rotating rings 38, a plurality of sliding blocks 43 are slidably provided in the plurality of sliding grooves 40, the plurality of sliding blocks 43 are connected with the funnel rotating rings 38 by first springs 45, the lower ends of the plurality of sliding blocks 43 are fixedly provided with inclined sliding grooves 39, the funnel rotating rings 38 are slidably provided with sliding push rods 51, the sliding push rods 51 are connected with the cleaning inlets 15 by second springs 46, the sliding push rods 51 can be slidably provided in the inclined sliding grooves 39, the sliding blocks 43 are fixedly provided with extending blocks 44, the extending blocks 44 are rotatably provided with rotating shafts 48, the rotating shafts 48 are fixedly provided with hooks 49, the extending blocks 44 are fixedly connected with torsion springs 47 with the rotating shafts 48, the upper ends of the middle funnel rotating rings 38 are fixedly provided with upper racks 50, the lower end of the middle funnel rotating ring 38 is fixedly provided with a lower rack 52.

As shown in fig. 1, fig. 2, and fig. 3, the funnel 14 is rotatably provided with two oblique gear shafts 54, oblique gears 53 are fixedly provided on the two oblique gear shafts 54, a lower rack 52 is fixedly provided at the lower end of the upper funnel rotating ring 38, an upper rack 50 is fixedly provided at the upper portion of the lower funnel rotating ring 38, the upper rack 50 is engaged with the oblique gears 53, the oblique gears 53 are engaged with the lower rack 52, a positive rack 58 is fixedly provided on the middle funnel rotating ring 38, a third motor 60 is fixedly provided in the funnel 14, an output end of the third motor 60 is rotatably provided with a third motor shaft 61, a rotating gear 59 is fixedly provided on the third motor shaft 61, the rotating gear 59 is engaged with the positive rack 58, and a funnel discharge opening 62 is fixedly provided at the lower end of the funnel 14.

As shown in fig. 1, 5 and 6, the cleaning device comprises a cleaning barrel 16 fixedly arranged at the lower end of an inner barrel 12, a cleaning inlet 15 is fixedly arranged at the upper end of the cleaning barrel 16, a screw rod 25 is fixedly arranged at the upper end of the cleaning barrel 16, a second motor 18 is fixedly arranged at the lower side surface of a shell 10, a second motor shaft 41 is rotatably arranged at the output end of the second motor 18, a lifting fixing ring 13 is slidably arranged on the second motor shaft 41, a lifting groove 29 is fixedly arranged in the cleaning barrel 16, a lifting fixing ring 13 is slidably arranged in the lifting groove 29, a lifting fixing block 30 is fixedly arranged on the lifting fixing ring 13, a rotating disc 42 is rotatably arranged at the lower end of the cleaning barrel 16, four lifting columns 22 are fixedly arranged on the rotating disc 42, the lifting fixing ring 13 can be fixedly connected with the rotating disc 42 and the second motor shaft 41, the cleaning barrel 16 and the second motor shaft 41 can be fixedly connected with the lifting fixing ring 13, and a fixing block 20 is rotatably connected with the screw rod 25, the fixed rotating block 20 is engaged with the screw rod 25, the four stirring plates 21 are fixedly arranged on the fixed rotating block 20, and the lifting columns 22 are fixedly arranged on the four stirring plates 21.

As shown in fig. 1, 5 and 6, the washing tub 16 is fixedly provided with a plurality of dewatering chutes 57, a plurality of dewatering chutes 57 are internally hung with a photographic rotating plate sliding rod 56, the rotating plate sliding rod 56 is fixedly provided with a rotating plate 24, and the washing tub 16 is fixedly provided with a plurality of blowers 55.

Pouring a plastic bag with a feeding port 36 into the inner cavity 28, starting the first motor 35 to drive the first motor shaft 37 to rotate, driving the forward bevel gear 34 to rotate by the rotation of the first motor shaft 37, driving the reverse bevel gear 11 driven by the reverse bevel gear 33 to rotate by the rotation of the forward bevel gear 34, driving the reverse rotating wheel 33 to rotate, driving the rotating sleeve 31 to rotate by the rotation of the reverse bevel gear 11, driving the crushing rotating sheet 27 to rotate by the rotation of the rotating sleeve 31, driving the lower end crushing rotating sheet 27 to rotate by the rotation of the first motor shaft 37, and crushing the entering waste plastic bag for the first time by adopting a reverse rotation mode.

The crushed plastic bag falls into the hopper 14, the third motor 60 is started, the third motor 60 rotates to drive the third motor shaft 61 to rotate, the third motor shaft 61 rotates the rotating gear 59, the rotating gear 59 rotates the spur gear 58, the spur gear 58 rotates the hopper rotating ring 38, the hopper rotating ring 38 rotates the two bevel gears 53, the bevel gear 53 rotates the upper and lower hopper rotating rings 38, the hopper rotating ring 38 rotates the sliding block 43, the sliding block 43 rotates the torsion spring 47, the crushed plastic bag is hooked by the up-down reversing hook 49 to be pulled apart again, when the sliding block 43 rotates and passes through the upper part of the sliding push rod 51, the sliding push rod 51 slides in the diagonal sliding groove 39, the sliding block 51 pulls the sliding block 43 outwards, the sliding block 43 slides to pull back the extending block 44, the hook 49 is straightened to enable the hooked plastic bag to fall off when the extending block 44 is pulled back, and (4) performing stretch-breaking treatment on the plastic bag in a reverse rotation mode, and dropping the plastic bag after the plastic bag is broken.

After the smashing is completed, a plastic bag funnel feed opening 62 in the funnel 14 enters the washing barrel 16, the second motor 18 is started to drive the second motor shaft 41 to rotate, at the moment, the electric control lifting fixing ring 13 enables the lifting fixing ring 13 to be fixedly connected with the rotating disc 42, the second motor shaft 41 rotates to drive the rotating disc 42 to rotate, the rotating disc 42 rotates to drive the lifting column 22 to rotate, the lifting column 22 rotates to drive the stirring plate 21 to rotate, the stirring plate 21 rotates to drive the fixed rotating block 20 to rotate, the fixed rotating block 20 is meshed with the spiral rod 25 when rotating, the fixed rotating block 20 is driven to move upwards, the fixed rotating block 20 moves upwards to drive the stirring plate 21 to move upwards, when the stirring plate 21 reaches the top end, the rotation is carried out through the electric control second motor 18, the stirring plate 21 falls, the up-and-down reciprocating rotation washing is carried out, and the plastic bags are more sufficiently washed and disinfected.

When the washing is finished and the dewatering is carried out, the lifting fixing ring 13 slides downwards through opening, the washing barrel 16 is fixedly connected with the second motor shaft 41, the second motor 18 is started to drive the second motor shaft 41 to rotate, the second motor shaft 41 rotates to drive the washing barrel 16 to rotate, at the moment, the rotating plate sliding rod 56 is driven to slide towards the direction of the dewatering sliding groove 57 through electric control to drive the rotating plate 24 to rotate towards the inner wall of the washing barrel 16, small holes appear on the wall of the washing barrel 16, the rotary dewatering is carried out, liquid is driven to form small holes, the dewatering is finished after a period of time, the blower 55 is started at the moment, the blower 55 is started to blow air into the washing barrel 16, plastic bags full on the inner wall of the washing barrel 16 are prevented from being separated under the blowing, meanwhile, the plastic bags after the washing and the dewatering are dried, and convenience is brought to the subsequent degradation process.

Compared with the prior art, the pretreatment device for degrading the plastic bag has the following advantages:

1. and (4) performing stretch-breaking treatment on the plastic bag in a reverse rotation mode, and dropping the plastic bag after the plastic bag is broken.

2. The plastic bags are cleaned and disinfected more fully by the rotary cleaning up and down reciprocating.

3. The plastic bag belt stained with on the inner wall of the cleaning barrel is separated from the cleaning barrel under blowing, and meanwhile, the plastic bag after the cleaning and dewatering is finished is air-dried, so that convenience is brought to the subsequent degradation process.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A plastic bag degradation pretreatment device, comprising a casing (10), characterized in that, an outer cavity (26) is fixedly arranged in the casing (10), and an outer cavity (26) is fixedly arranged in the outer cavity (26). The inner drum (12), the upper end of the inner drum (12) is fixedly provided with an inner cavity (28), the inner cavity (28) is provided with a crushing device, and the crushing device is used for crushing the plastic bag, so the A cleaning bucket (16) is fixed at the lower end of the inner drum (12), a cleaning cavity (23) is fixed in the cleaning bucket (16), and a cleaning device is arranged in the cleaning cavity (23), and the cleaning device is used for The crushed plastic bags are washed, dehydrated and air-dried.

2. The plastic bag degradation pretreatment device according to claim 1, wherein the crushing device comprises a fixing block (17) fixedly arranged on the lower side of the casing (10), and the fixing block (17) An inner drum (12) is fixedly arranged on the upper end, a feeding port (36) is fixedly arranged at the upper end of the casing (10), and a first motor (35) is fixedly arranged on the upper side wall of the outer cavity (26), The output end of the first motor (35) is rotatably provided with a first motor shaft (37), a positive bevel gear (34) is fixed on the first motor shaft (37), and the first motor shaft ( 37) A crushing rotating piece (27) is fixed on the upper wall, and a reverse rotation shaft (32) is rotated in the upper wall of the inner drum (12). To the rotating wheel (33), a rotating sleeve (31) is rotated on the upper side wall of the inner cavity (28), and a reverse bevel gear (11) is fixed on the rotating sleeve (31). (31) The shredding rotating piece (27) is fixedly installed on it, the forward bevel gear (34) is meshed with the reverse rotation wheel (33), and the reverse rotation wheel (33) is engaged with the reverse rotation wheel (33). Mesh to the bevel gear (11).

3. A plastic bag degradation pretreatment device according to claim 2, wherein a funnel (14) is fixedly arranged at the lower end of the inner cavity (28), and three funnels are rotated on the funnel (14). A rotating ring (38), a plurality of sliding blocks (43) are slidably arranged in the three funnel rotating rings (38), a plurality of sliding grooves (40) in the three funnel rotating rings (38), a plurality of the sliding blocks (43) Slides are provided in a plurality of the sliding grooves (40), a first spring (45) is connected to a plurality of the sliding blocks (43) and the funnel rotating ring (38), and a plurality of the sliding blocks (43) The lower end of the ) is fixedly provided with an oblique chute (39), and a sliding push rod (51) is slidably arranged in the funnel rotating ring (38), and the sliding push rod (51) is connected with the cleaning inlet (15). The second spring (46), the sliding push rod (51) is slidably arranged in the oblique chute (39), and the sliding block (43) is fixedly provided with a protruding block (44), so A rotating shaft (48) is rotatably provided on the protruding block (44), a hook (49) is fixed on the rotating shaft (48), and the protruding block (44) is fixed with the rotating shaft (48). A torsion spring (47) is connected, an upper rack (50) is fixed on the upper end of the funnel rotating ring (38) in the middle, and a lower rack (52) is fixed on the lower end of the funnel rotating ring (38).

4. The plastic bag degradation pretreatment device according to claim 3, wherein the funnel (14) is rotated with two helical gear shafts (54), and the two helical gear shafts ( 54) A helical gear (53) is fixed on the top, a lower rack (52) is fixed on the lower end of the upper funnel rotating ring (38), and an upper rack (52) is fixed on the upper part of the funnel rotating ring (38). 50), the upper rack (50) meshes with the helical gear (53), the helical gear (53) meshes with the lower rack (52), and the funnel rotating ring ( 38) A spur rack (58) is fixedly installed on it, a third motor (60) is fixed in the funnel (14), and the output end of the third motor (60) rotates with a third motor shaft (61). ), a rotating gear (59) is fixed on the third motor shaft (61), the rotating gear (59) meshes with the spur rack (58), and a funnel is fixed at the lower end of the funnel (14). Feed opening (62).

5. A plastic bag degradation pretreatment device according to claim 4, characterized in that: the cleaning device comprises the cleaning bucket (16) fixedly arranged at the lower end of the inner drum (12), the cleaning bucket (16) A cleaning inlet (15) is fixed on the upper end, a screw rod (25) is fixed on the upper end of the cleaning bucket (16), and a second motor (18) is fixed on the lower side of the casing (10), so The output end of the second motor (18) is rotatably provided with a second motor shaft (41), the second motor shaft (41) is slidably provided with a lifting fixing ring (13), and the cleaning bucket (16) is fixedly provided with a lifting and lowering ring (13). and the lifting groove (29), the lifting fixing ring (13) is slidably arranged in the lifting groove (29), the lifting fixing block (30) is fixed on the lifting fixing ring (13), and the cleaning bucket (16) A rotating plate (42) is installed at the lower end to rotate, and four lifting columns (22) are fixed on the rotating plate (42), and the rotating plate (42) and the second motor shaft (41) can be connected The lifting fixing ring (13) is fixedly connected, the cleaning bucket (16) and the second motor shaft (41) can be fixedly connected with the lifting fixing ring (13), and the screw rod (25) rotates upwardly A fixed rotating block (20) is connected, the fixed rotating block (20) is engaged with the screw rod (25), and four stirring plates (21) are fixedly arranged on the fixed rotating block (20). The lifting column (22) is fixed on the stirring plate (21).

6. A plastic bag degradation pretreatment device according to claim 5, characterized in that: a plurality of the dewatering chutes (57) are fixedly arranged on the cleaning bucket (16), and a plurality of the dewatering chutes ( 57) A rotating plate sliding rod (56) with a ceiling mounted inside, the rotating plate sliding rod (56) is fixedly mounted on the rotating plate (24), and a plurality of blowers are fixed on the cleaning bucket (16) (55).