CN112495793A

CN112495793A - Plastic particle impurity removing device for plastic processing

Info

Publication number: CN112495793A
Application number: CN202011408741.5A
Authority: CN
Inventors: 侯继贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-06
Filing date: 2020-12-06
Publication date: 2021-03-16

Abstract

The invention relates to the field of plastic processing, in particular to a plastic particle impurity removal device for plastic processing, which comprises an outer barrel body, wherein the top of the outer barrel body is connected with an internal thread barrel cover, the inner bottom of the internal thread barrel cover is fixedly connected with an inner shell, a rotating sleeve is arranged inside the inner shell, and the rotating sleeve is rotatably connected to the inner bottom of the internal thread barrel cover. First backup pad and second backup pad and first axis of rotation and second axis of rotation through the staving both sides support the staving, first servo motor can drive first axis of rotation and rotate, first axis of rotation can drive the staving when rotating and overturn, the unloading bore of the staving after the upset is the internal diameter of staving, the unloading operation of completion plastic granules that can be quick, make the edulcoration efficiency of plastic granules improve, and owing to got rid of the unloading pipe, make the plastic granules can not remain the inside at the unloading pipe, thereby make all plastic granules homoenergetic of staving inside carry out effectual edulcoration.

Description

Plastic particle impurity removing device for plastic processing

Technical Field

The invention relates to the field of plastic processing, in particular to a plastic particle impurity removing device for plastic processing.

Background

The plastic particles refer to granular plastics, and common plastic particles include general plastics, engineering plastics and special plastics. The plastic granules are raw materials for producing plastic products. The plastic product processing raw material particles are likely to be mixed with impurities in the processes of production, packaging, transportation and disassembly, so that the plastic particles are required to be subjected to impurity removal during processing.

Most of the existing impurity removing devices for plastic particles directly place the plastic particles in a barrel body and drive a stirring shaft to stir in the barrel body through a servo motor, and simultaneously blast air to the inside of the barrel body through a fan arranged on the outer wall of one side of the barrel body so as to remove dust from the plastic particles, because the fan is arranged on one side of the barrel body, the output end of the fan can only blast air to one end in the barrel body, so that the impurity removing efficiency is reduced, and the impurity removing effect on all the plastic particles in the whole barrel body cannot be effectively removed, and when the plastic particles in the barrel body are discharged, the plastic particles are discharged through a discharging pipe at the bottom of the barrel body, when the discharging pipe is used for discharging, the plastic particles without impurity removal can be stored in the discharging pipe due to the fact that the discharging pipe is communicated with the barrel body, so that the impurity removing effect on the plastic particles is not good, and the diameter, make the inefficiency of unloading to make the edulcoration efficiency of plastic granule reduce.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a plastic particle impurity removal device for plastic processing.

The technical scheme adopted by the invention for solving the technical problems is as follows: a plastic particle impurity removing device for plastic processing comprises an outer barrel body, wherein the top of the outer barrel body is connected with an internal thread barrel cover, the inner bottom of the internal thread barrel cover is fixedly connected with an inner shell, a rotating sleeve is arranged inside the inner shell and is rotatably connected to the inner bottom of the internal thread barrel cover, the other end of the rotating sleeve extends out of the inner shell, the rotating sleeve is rotatably connected with the inner shell, a fan blade is fixedly connected to the outer barrel wall of the rotating sleeve, which is positioned between the inner shell and the internal thread barrel cover, and a plurality of through holes are formed in the bottom of the inner shell in an equidistant penetrating mode;

a bottom plate is arranged below the outer barrel body, one end of the top of the bottom plate is fixedly connected with a first supporting plate, a first servo motor is fixedly connected onto the wall of the first supporting plate, which is far away from one side of the outer barrel body, through a first fixing rack, the output end of the first servo motor is fixedly connected with a first rotating shaft through a first coupler, the other end of the first rotating shaft penetrates through the first supporting plate, the first rotating shaft is rotatably connected with the first supporting plate, and one end of the first rotating shaft, which penetrates through the first supporting plate, is fixedly connected with the outer wall of the outer barrel body;

the end of the outer barrel body, far away from the internal thread barrel cover, is fixedly connected with an outer shell, a first air guide cavity is arranged inside the outer shell, the outer side wall of one side of the outer shell, far away from the outer barrel body, is fixedly connected with a second servo motor through a second fixing rack, the output end of the second servo motor is fixedly connected with a stirring shaft through a second coupler, the other end of the stirring shaft penetrates through the outer shell, the stirring shaft is rotatably connected with the outer shell, one end of the stirring shaft penetrating through the outer shell penetrates through the outer barrel body and is rotatably connected with the outer barrel body, a second air guide cavity is arranged inside the stirring shaft, one end of the stirring shaft, close to the inner shell, is fixedly connected with a square inserting column which is slidably inserted into a rotating sleeve, and a plurality of stirring rods are fixedly connected at equal intervals on the, a third air guide cavity is formed in the stirring rod and communicated with the second air guide cavity, and a plurality of exhaust holes are formed in the outer wall of the stirring rod in a penetrating mode at equal intervals;

the stirring shaft is positioned at one end inside the outer shell and is provided with a plurality of air inlets in a penetrating mode, the air inlets are communicated with the second air guide cavity, two first transmission wheels are fixedly sleeved on a shaft wall of the stirring shaft positioned between the outer shell and the outer barrel body, two ends of the bottom of the outer barrel body are respectively and rotatably connected with a third rotating shaft through bearings, a second transmission wheel is fixedly sleeved on the shaft wall of the other end of the third rotating shaft and is in transmission connection with the adjacent first transmission wheels through a transmission belt, two ends of the bottom of the outer shell body are respectively and fixedly connected with a fixing sleeve corresponding to the positions of the two third rotating shafts, air guide holes are formed in the fixing sleeve, the air guide holes are communicated with the first air guide cavity, and air guide fan blades are fixedly connected to the shaft wall of one end inside the air guide holes.

Specifically, an external thread is arranged on the outer wall of one end, close to the internal thread barrel cover, of the outer barrel body, and the internal thread barrel cover is in threaded connection with the external thread.

Specifically, third meshing teeth have been seted up on drive belt's the inner wall, just correspond the third meshing teeth respectively and seted up first meshing teeth and second meshing teeth on the lateral wall of first drive wheel and second drive wheel excircle side, just first meshing teeth and second meshing teeth all are connected with the meshing of third meshing teeth.

Specifically, first servo motor and second servo motor all pass through PLC controller and external power source electric connection.

Specifically, a plurality of filter plates are embedded at equal intervals at the top of the internal thread barrel cover.

Specifically, one side that first backup pad was kept away from to outer staving is provided with the second backup pad, second backup pad fixed connection is at the top of bottom plate, the one end that the bottom plate was kept away from to the second backup pad is rotated and is pegged graft and have the second axis of rotation, the one end that the second backup pad was kept away from in the second axis of rotation and the outer wall fixed connection of outer staving.

Specifically, the third rotating shaft is rotatably sleeved on the shaft wall far away from one end of the bearing, a fixing rod is fixedly connected to the outer wall of the rotating hoop, and the other end of the fixing rod is fixedly connected with the inner cylinder wall of the fixing sleeve.

The invention has the beneficial effects that:

(1) according to the plastic particle impurity removing device for plastic processing, the barrel body is supported through the first supporting plate and the second supporting plate on the two sides of the barrel body and the first rotating shaft and the second rotating shaft, the first servo motor can drive the first rotating shaft to rotate, the first rotating shaft can drive the barrel body to turn over when rotating, the discharging caliber of the turned barrel body is the inner diameter of the barrel body, discharging operation of plastic particles can be completed quickly, impurity removing efficiency of the plastic particles is improved, and the plastic particles cannot remain inside the discharging pipe due to the fact that the discharging pipe is removed, and therefore all the plastic particles inside the barrel body can be effectively removed.

(2) According to the impurity removing device for the plastic particles for plastic processing, the stirring shaft is driven to rotate by the second servo motor, the stirring shaft can drive the stirring rod and the first driving wheel to rotate when rotating, the first driving wheel can drive the second driving wheel to rotate by the driving belt when rotating, the second driving wheel can drive the coaxial air guide fan blade to rotate when rotating, the air guide fan blade conveys air into the second air guide cavity in the stirring shaft from the air inlet, the air in the second air guide cavity can be conveyed into the third air guide cavity in the stirring rod, and the stirring rod can enable the plastic particles to be in full air contact when rotating, so that dust on the plastic particles can be separated from the plastic particles, and the impurity removing effect of the plastic particles is better.

(3) According to the plastic particle impurity removal device for plastic processing, the rotating sleeve is arranged in the inner shell on the inner threaded barrel cover, the rotating sleeve is driven to rotate in the inner shell through the square insertion column when the stirring shaft rotates, the exhaust fan blade on the outer barrel wall can be driven to rotate when the rotating sleeve rotates, and the exhaust fan blade can absorb air containing dust in the outer barrel body into the inner shell through the through hole and is exhausted after being filtered by the filter plate.

Drawings

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

FIG. 1 is a schematic view of an internal structure of a plastic particle impurity removing device for plastic processing according to the present invention;

FIG. 2 is a schematic structural diagram of a plastic particle impurity removal device for plastic processing according to the present invention;

FIG. 3 is a sectional view taken along the direction A-A in FIG. 1 of the apparatus for removing impurities from plastic particles for plastic processing according to the present invention;

FIG. 4 is a sectional view taken along the direction B-B in FIG. 1 of the apparatus for removing impurities from plastic particles for plastic processing according to the present invention;

FIG. 5 is a partial enlarged view of a portion C in FIG. 1 of the apparatus for removing impurities from plastic particles for plastic processing according to the present invention;

FIG. 6 is a partial enlarged view of a portion D in FIG. 1 of the apparatus for removing impurities from plastic particles for plastic processing according to the present invention;

FIG. 7 is a schematic structural view of a stirring shaft in the apparatus for removing impurities from plastic particles for plastic processing according to the present invention;

FIG. 8 is a schematic view of a connection structure between a driving belt and a driving wheel in the impurity removing device for plastic particles for plastic processing according to the present invention.

In the figure: 1. an outer barrel body; 2. a barrel cover with internal threads; 3. an inner housing; 4. rotating the sleeve; 5. an exhaust fan blade; 6. filtering the plate; 7. a through hole; 8. a base plate; 9. a first support plate; 10. a first stationary frame; 11. a first servo motor; 12. a first coupling; 13. a first rotating shaft; 14. a second support plate; 15. a second rotating shaft; 16. an outer housing; 17. a first air guide cavity; 18. a second stationary frame; 19. a second servo motor; 20. a second coupling; 21. a stirring shaft; 22. a second air guide cavity; 23. a square plug-in post; 24. a stirring rod; 25. a third air guiding cavity; 26. an exhaust hole; 27. an air inlet; 28. a first drive pulley; 29. a bearing; 30. a third rotating shaft; 31. a second transmission wheel; 32. a drive belt; 33. fixing the sleeve; 34. a wind guide hole; 35. a fan blade; 36. a rotating hoop; 37. fixing the rod; 38. an external thread; 39. a first meshing tooth; 40. a second meshing tooth; 41. and a third meshing tooth.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the impurity removing device for plastic particles for plastic processing of the present invention includes an outer barrel body 1, wherein the top of the outer barrel body 1 is connected with an internal thread barrel cover 2, the inner bottom of the internal thread barrel cover 2 is fixedly connected with an inner housing 3, a rotating sleeve 4 is arranged inside the inner housing 3, the rotating sleeve 4 is rotatably connected to the inner bottom of the internal thread barrel cover 2, the other end of the rotating sleeve 4 extends out of the inner housing 3, the rotating sleeve 4 is rotatably connected with the inner housing 3, the rotating sleeve 4 is fixedly connected with a fan blade 5 on the outer barrel wall between the inner housing 3 and the internal thread barrel cover 2, and the bottom of the inner housing 3 is provided with a plurality of through holes 7 at equal intervals; a bottom plate 8 is arranged below the outer barrel body 1, one end of the top of the bottom plate 8 is fixedly connected with a first supporting plate 9, a first servo motor 11 is fixedly connected to the wall of the first supporting plate 9, which is far away from one side of the outer barrel body 1, through a first fixing rack 10, the output end of the first servo motor 11 is fixedly connected with a first rotating shaft 13 through a first coupler 12, the other end of the first rotating shaft 13 penetrates through the first supporting plate 9, the first rotating shaft 13 is rotatably connected with the first supporting plate 9, and the first rotating shaft 13 penetrates through one end of the first supporting plate 9 and is fixedly connected with the outer wall of the outer barrel body 1; an outer shell 16 is fixedly connected to one end of the outer barrel body 1 far away from the inner thread barrel cover 2, a first air guide cavity 17 is formed in the outer shell 16, a second servo motor 19 is fixedly connected to the outer side wall of one side of the outer shell 16 far away from the outer barrel body 1 through a second fixing rack 18, an output end of the second servo motor 19 is fixedly connected with a stirring shaft 21 through a second coupler 20, the other end of the stirring shaft 21 penetrates through the outer shell 16, the stirring shaft 21 is rotatably connected with the outer shell 16, one end of the stirring shaft 21 penetrating through the outer shell 16 penetrates through the outer barrel body 1, the stirring shaft 21 is rotatably connected with the outer barrel body 1, a second air guide cavity 22 is formed in the stirring shaft 21, a square insertion column 23 is fixedly connected to one end of the stirring shaft 21 close to the inner shell 3, and the square insertion column 23 is slidably, a plurality of stirring rods 24 are fixedly connected with the shaft wall of one end of the stirring shaft 21 extending to the inner part of the outer barrel body 1 at equal intervals, a third air guide cavity 25 is formed in each stirring rod 24, the third air guide cavity 25 is communicated with the second air guide cavity 22, and a plurality of exhaust holes 26 are formed in the outer wall of each stirring rod 24 in an equal-interval penetrating manner; one end of the stirring shaft 21 positioned in the outer shell 16 is provided with a plurality of air inlet holes 27 in a penetrating way, the air inlet 27 is communicated with the second air guiding cavity 22, two first driving wheels 28 are fixedly sleeved on the shaft wall of the stirring shaft 21 between the outer shell 16 and the outer barrel body 1, both ends of the bottom of the outer barrel body 1 are rotatably connected with a third rotating shaft 30 through bearings 29, a second driving wheel 31 is fixedly sleeved on the shaft wall at the other end of the third rotating shaft 30, the second driving wheel 31 is in transmission connection with the adjacent first driving wheel 28 through a transmission belt 32, two ends of the bottom of the outer shell 16 are fixedly connected with fixing sleeves 33 corresponding to the positions of the two third rotating shafts 30, the fixed sleeve 33 is internally provided with an air guide hole 34, the air guide hole 34 is communicated with the first air guide cavity 17, a fan guiding blade 35 is fixedly connected to the shaft wall of the third rotating shaft 30 extending to one end inside the air guiding hole 34.

Specifically, an external thread 38 is formed on the outer wall of the outer barrel body 1 close to one end of the internal thread barrel cover 2, the internal thread barrel cover 2 is in threaded connection with the external thread 38, and the internal thread barrel cover 2 and the outer barrel body 1 can be conveniently disassembled and assembled.

Specifically, third meshing teeth 41 have been seted up on the inner wall of driving belt 32, just first meshing teeth 39 and second meshing teeth 40 have been seted up corresponding third meshing teeth 41 on the lateral wall of first drive wheel 28 and second drive wheel 31 excircle side respectively, just first meshing teeth 39 and second meshing teeth 40 all are connected with the meshing of third meshing teeth 41, can make driving belt 32 better to the transmission effect between first drive wheel 28 and the second drive wheel 31.

Specifically, first servo motor 11 and second servo motor 19 all pass through PLC controller and external power supply electric connection, and TB6600 type PLC controller can effectual control servo motor's rotational speed and turn to, can ensure that first servo motor 11 and second servo motor 19 can effectual drive.

Specifically, a plurality of filter plates 6 are embedded at equal intervals at the top of the internal thread barrel cover 2, and the filter plates 6 can filter air with dust in the internal thread barrel cover 2 and then discharge the air.

Specifically, one side that first backup pad 9 was kept away from to outer staving 1 is provided with second backup pad 14, second backup pad 14 fixed connection is at the top of bottom plate 8, the one end that bottom plate 8 was kept away from to second backup pad 14 rotates and pegs graft and has second axis of rotation 15, the one end that second backup pad 14 was kept away from to second axis of rotation 15 and the outer wall fixed connection of outer staving 1, second backup pad 14 supports second axis of rotation 15 for second axis of rotation 15 can make outer staving 1 more stable when rotating.

Specifically, the rotating hoop 36 is rotatably sleeved on the shaft wall of one end, away from the bearing 29, of the third rotating shaft 30, the outer wall of the rotating hoop 36 is fixedly connected with the fixing rod 37, and the other end of the fixing rod 37 is fixedly connected with the inner cylinder wall of the fixing sleeve 33, so that the third rotating shaft 30 can rotate more conveniently and saves labor.

When initial condition, the bung hole of outer staving 1 up this moment, will treat the plastic granule of processing carry to the inside of outer staving 1 through the bung hole can, because the staving bore is the feed inlet promptly for feeding convenience more, after the feeding was accomplished, closed internal thread bung 2 pegs graft square peg graft post 23 to the inside of rotating sleeve 4, and the state of outer staving 1 this moment is shown as attached 1. When the stirring device is used, the second servo motor 19 is started, the second servo motor 19 drives the stirring shaft 21 to rotate, the stirring shaft 21 can drive the stirring rod 24 and the first driving wheel 28 to rotate when rotating, the first driving wheel 28 can drive the second driving wheel 31 to rotate through the driving belt 32 when rotating, the second driving wheel 31 can drive the coaxial air guide fan blade 35 to rotate when rotating, the air guide fan blade 35 conveys air into the second air guide cavity 22 in the stirring shaft 21 from the air inlet 27, the air in the second air guide cavity 22 can be conveyed into the third air guide cavity 25 in the stirring rod 24, the stirring rod 24 can make full air contact with plastic particles when rotating, so that dust on the plastic particles can be separated from the plastic particles, the impurity removal effect of the plastic particles is better, and meanwhile, the stirring shaft 21 drives the rotating sleeve 4 to rotate in the inner shell 3 through the square insertion column 23 when rotating, rotating sleeve 4 can drive exhaust fan leaf 5 on the urceolus wall when rotating and rotate, exhaust fan leaf 5 can adsorb the air that contains the dust in the outer barrel body 1 to interior casing 3 in through-hole 7 and discharge after the filtration of filter plate 6, after the edulcoration is accomplished, start first servo motor 11, first servo motor 11 can drive first axis of rotation 13 and rotate, first axis of rotation 13 can drive the staving when rotating and overturn, the unloading bore of the staving after the upset is the internal diameter of staving, the unloading operation of accomplishing the plastic granule that can be quick, make the edulcoration efficiency of plastic granule improve, and owing to got rid of the unloading pipe, make the plastic granule can not remain the inside at the unloading pipe, thereby make all plastic granules of staving inside all can carry out effectual edulcoration.

The invention has the beneficial effects that:

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

Claims

1. The plastic particle impurity removing device for plastic processing is characterized by comprising an outer barrel body (1), wherein an internal thread barrel cover (2) is connected to the top of the outer barrel body (1), an inner shell (3) is fixedly connected to the inner bottom of the internal thread barrel cover (2), a rotating sleeve (4) is arranged inside the inner shell (3), the rotating sleeve (4) is rotatably connected to the inner bottom of the internal thread barrel cover (2), the other end of the rotating sleeve (4) extends out of the inner shell (3), the rotating sleeve (4) is rotatably connected with the inner shell (3), a fan exhaust blade (5) is fixedly connected to the outer barrel wall of the rotating sleeve (4) located between the inner shell (3) and the internal thread barrel cover (2), and a plurality of through holes (7) are formed in the bottom of the inner shell (3) in an equidistant penetrating mode;

a bottom plate (8) is arranged below the outer barrel body (1), one end of the top of the bottom plate (8) is fixedly connected with a first supporting plate (9), a first servo motor (11) is fixedly connected to the wall, far away from one side of the outer barrel body (1), of the first supporting plate (9) through a first fixing rack (10), the output end of the first servo motor (11) is fixedly connected with a first rotating shaft (13) through a first coupler (12), the other end of the first rotating shaft (13) penetrates through the first supporting plate (9), the first rotating shaft (13) is rotatably connected with the first supporting plate (9), and one end, penetrating through the first supporting plate (9), of the first rotating shaft (13) is fixedly connected with the outer wall of the outer barrel body (1);

an outer shell (16) is fixedly connected to one end, far away from the inner thread barrel cover (2), of the outer barrel body (1), a first air guide cavity (17) is formed in the outer shell (16), a second servo motor (19) is fixedly connected to the outer side wall, far away from one side of the outer barrel body (1), of the outer shell (16) through a second fixing rack (18), an output end of the second servo motor (19) is fixedly connected with a stirring shaft (21) through a second coupler (20), the other end of the stirring shaft (21) penetrates through the outer shell (16), the stirring shaft (21) is rotatably connected with the outer shell (16), one end, penetrating through the outer barrel body (16), of the stirring shaft (21) penetrates through the outer barrel body (1), the stirring shaft (21) is rotatably connected with the outer barrel body (1), a second air guide cavity (22) is formed in the stirring shaft (21), one end, close to the inner shell (3), of the stirring shaft (21), the square insertion columns (23) are slidably inserted into the rotating sleeve (4), a plurality of stirring rods (24) are fixedly connected to the shaft wall of one end, extending to the inner portion of the outer barrel body (1), of the stirring shaft (21) at equal intervals, a third air guide cavity (25) is formed in the stirring rods (24), the third air guide cavity (25) is communicated with the second air guide cavity (22), and a plurality of exhaust holes (26) are formed in the outer wall of each stirring rod (24) in a penetrating mode at equal intervals;

one end of the stirring shaft (21) positioned inside the outer shell (16) is provided with a plurality of air inlets (27) in a penetrating manner, the air inlets (27) are communicated with the second air guide cavity (22), two first driving wheels (28) are fixedly sleeved on a shaft wall of the stirring shaft (21) positioned between the outer shell (16) and the outer barrel body (1), two ends of the bottom of the outer barrel body (1) are rotatably connected with third rotating shafts (30) through bearings (29), a second driving wheel (31) is fixedly sleeved on the shaft wall of the other end of each third rotating shaft (30), each second driving wheel (31) is in transmission connection with the adjacent first driving wheel (28) through a driving belt (32), two ends of the bottom of the outer shell (16) are fixedly connected with fixed sleeves (33) corresponding to the positions of the two third rotating shafts (30), and air guide holes (34) are formed inside the fixed sleeves (33), the air guide hole (34) is communicated with the first air guide cavity (17), and the shaft wall of one end, extending to the inside of the air guide hole (34), of the third rotating shaft (30) is fixedly connected with an air guide fan blade (35).

2. The impurity removing device for plastic particles for plastic processing according to claim 1, wherein: an external thread (38) is formed in the outer wall, close to one end of the internal thread barrel cover (2), of the outer barrel body (1), and the internal thread barrel cover (2) is in threaded connection with the external thread (38).

3. The impurity removing device for plastic particles for plastic processing according to claim 1, wherein: the inner wall of the transmission belt (32) is provided with third meshing teeth (41), the side walls of the outer circle sides of the first transmission wheel (28) and the second transmission wheel (31) are respectively provided with first meshing teeth (39) and second meshing teeth (40) corresponding to the third meshing teeth (41), and the first meshing teeth (39) and the second meshing teeth (40) are meshed with the third meshing teeth (41) and connected.

4. The impurity removing device for plastic particles for plastic processing according to claim 1, wherein: the first servo motor (11) and the second servo motor (19) are electrically connected with an external power supply through a PLC.

5. The impurity removing device for plastic particles for plastic processing according to claim 1, wherein: the top of the internal thread barrel cover (2) is embedded with a plurality of filter plates (6) at equal intervals.

6. The impurity removing device for plastic particles for plastic processing according to claim 1, wherein: one side of the outer barrel body (1) far away from the first supporting plate (9) is provided with a second supporting plate (14), the second supporting plate (14) is fixedly connected to the top of the bottom plate (8), one end, far away from the bottom plate (8), of the second supporting plate (14) is rotatably inserted with a second rotating shaft (15), and one end, far away from the second supporting plate (14), of the second rotating shaft (15) is fixedly connected with the outer wall of the outer barrel body (1).

7. The impurity removing device for plastic particles for plastic processing according to claim 1, wherein: the third rotating shaft (30) is rotatably sleeved with a rotating hoop (36) on the shaft wall at one end far away from the bearing (29), a fixing rod (37) is fixedly connected to the outer wall of the rotating hoop (36), and the other end of the fixing rod (37) is fixedly connected with the inner cylinder wall of the fixing sleeve (33).