CN216631070U - Millstone plastic flour mill - Google Patents

Abstract

The utility model relates to the technical field of plastic grinding, in particular to a millstone plastic grinding mill, which enables the volume of plastic to be ground to be smaller by pre-crushing the plastic to be ground, improves the grinding efficiency of a millstone grinding mill body, can automatically pour the plastic to be ground into the millstone grinding mill body, avoids manual carrying, reduces the labor intensity, improves the working efficiency and has high practicability; including bottom plate, fixed frame, two sets of extension boards, first motor, crushing barrel, axis of rotation, multiunit crushing cutter, second motor, mill milling machine body, row material pipe, mobile device, elevating gear and collection device, mobile device installs in the bottom plate upper end, and fixed frame is installed on mobile device, and mobile device is used for controlling fixed frame and moves, and elevating gear installs on fixed frame, and the equal fixed mounting of two sets of extension boards is on elevating gear.

Description

Millstone plastic flour mill

Technical Field

The utility model relates to the technical field of plastic grinding, in particular to a millstone plastic flour mill.

Background

The plastic millstone flour mill is a device for grinding plastics into powder, and is widely applied to the fields of chemical industry, waste recycling, plastic pipe profile manufacturing, plastic modification and the like. When the existing plastic grinding disc pulverizer is used, workers carry plastic to be ground to a feed inlet of the plastic grinding disc pulverizer, then pour the plastic to be ground into the plastic grinding disc pulverizer, and then open the plastic grinding disc pulverizer to enable the plastic grinding disc pulverizer to grind the smashed plastic into powder; present plastics mill milling machine discovers in the use, because some plastics are bulky, leads to the grinding efficiency low, and it needs the workman to move the feed inlet department of plastics mill milling machine with the plastics of smashing moreover, leads to its intensity of labour big, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the millstone plastic flour mill which has the advantages that the volume of the plastic to be ground is smaller by pre-crushing the plastic to be ground, the grinding efficiency of the millstone flour mill body is improved, the plastic to be ground can be automatically poured into the millstone flour mill body, the manual carrying is avoided, the labor intensity is reduced, the working efficiency is improved, and the practicability is high.

The utility model relates to a millstone plastic pulverizer, which comprises a bottom plate, a fixed frame, two groups of support plates, a first motor, a pulverizing barrel, a rotating shaft, a plurality of groups of pulverizing knives, a second motor, a millstone pulverizer body, a discharge pipe, a moving device, a lifting device and a collecting device, wherein the moving device is arranged at the upper end of the bottom plate, the fixed frame is arranged on the moving device, the moving device is used for moving the fixed frame left and right, the lifting device is arranged on the fixed frame, the two groups of support plates are both fixedly arranged on the lifting device, the lifting device is used for lifting the two groups of support plates, the two groups of support plates are both provided with rotating shafts, the two groups of rotating shafts are respectively rotatably arranged on the two groups of support plates, the two groups of rotating shafts are coaxial, the front end of the rotating shaft at the front side is connected with the output end of the first motor, the first motor is fixedly arranged on the support plates, the front end and the rear end of the pulverizing barrel are respectively fixedly arranged on the two groups of rotating shafts, a cavity is arranged inside the pulverizing barrel, the upper end of the grinding cylinder is provided with an opening, the upper end of the grinding cylinder is provided with a sealing door, the sealing door is used for sealing the upper end of the grinding cylinder, the rotating shaft is rotatably installed on the grinding cylinder, a plurality of groups of grinding knives are all fixedly installed on the rotating shaft, the plurality of groups of grinding knives are all positioned in a cavity of the grinding cylinder, the lower end of the rotating shaft is connected with the output end of a second motor, the second motor is fixedly installed at the lower end of the grinding cylinder, the grinding disc grinder body is fixedly installed at the upper end of the bottom plate, the upper end of the grinding disc grinder body is provided with a feed inlet, the grinding disc grinder body is positioned on the right side of the fixed frame, the lower part of the grinding disc grinder body is provided with a discharge pipe, the discharge pipe is provided with a valve, the collecting device is fixedly installed at the upper end of the bottom plate, and the collecting device is positioned on the right side of the grinding disc grinder body; firstly, opening a sealing door at the upper end of a grinding cylinder, then putting the plastic to be ground into a cavity of the grinding cylinder, then closing the sealing door at the upper end of the grinding cylinder, then opening a second motor, driving a rotating shaft to rotate by the second motor, driving a plurality of groups of grinding knives to rotate by the rotating shaft, fully smashing the plastic in the cavity of the grinding cylinder in the rotating process by the plurality of groups of grinding knives to ensure that the plastic particles to be ground are smaller, then opening the sealing door at the upper end of the grinding cylinder, then opening a lifting device, lifting the grinding cylinder by the lifting device through two groups of supporting plates until the grinding cylinder is higher than the grinding cylinder body, then opening a moving device, driving a fixing frame to move rightwards by the moving device, enabling the grinding cylinder to move rightwards by the fixing frame through two groups of supporting plates until the grinding cylinder is positioned above a feed inlet on the grinding cylinder body, then opening a first motor, driving the grinding cylinder to incline by the first motor through a rotating shaft, the grinding cylinder makes the smashed plastics in the grinding cylinder cavity fall into the feed inlet of the grinding disc pulverizer body due to gravity in the process of inclining, later smashed plastics fall into the grinding disc pulverizer body through the feed inlet of the grinding disc pulverizer body, later the grinding disc pulverizer body is opened, the middle plastics of the grinding disc pulverizer body are ground into powder, later the valve on the discharge pipe is opened, the plastics that make grinding into powder fall into the collection device through the discharge pipe and are collected and processed can, it can treat that the plastics that grind smash in advance, make the plastics volume of treating grinding smaller, the grinding efficiency of the grinding disc pulverizer body is improved, and it can pour the plastics that are treated grinding into the grinding disc pulverizer body automatically, manual handling has been avoided, the labor intensity is reduced, the working efficiency is improved, and the practicability is high.

Preferably, the moving device comprises two groups of pulleys, a connecting block, an ejector rod and an air cylinder, the two groups of pulleys are respectively and fixedly arranged at the front part and the rear part of the lower end of the fixing frame, the two groups of pulleys are respectively arranged on the bottom plate in a left-right sliding manner, the connecting block is fixedly arranged at the lower end of the fixing frame, the right end of the ejector rod is fixedly arranged at the left end of the connecting block, the left end of the ejector rod is connected with the output end of the air cylinder, and the air cylinder is fixedly arranged at the upper end of the bottom plate; open the cylinder, the cylinder makes the connecting block remove right through the ejector pin, the connecting block drive fixed frame remove right can, made things convenient for and removed about fixed frame, improved the convenience in the use.

Preferably, the lifting device comprises two groups of fixing rods, a sliding block, a screw rod and a third motor, the two groups of fixing rods are fixedly installed at the front part and the rear part of the fixing frame respectively, the screw rod is rotatably installed on the fixing frame, the sliding block is installed on the two groups of fixing rods in an up-and-down sliding mode, the sliding block is in threaded installation with the screw rod, the third motor is fixedly installed at the upper end of the fixing frame, the output end of the third motor is connected with the upper end of the screw rod, and the two groups of support plates are fixedly installed at the right end of the sliding block; the third motor is started, the third motor drives the screw rod to rotate, the rotating screw rod drives the sliding block to move upwards, and the sliding block drives the two groups of supporting plates to move upwards, so that the two groups of supporting plates are conveniently moved up and down, and the convenience in the use process is improved.

Preferably, the collecting device comprises a collecting box, a filter plate, a rotating shaft, a plurality of groups of scraper plates, a first cone pulley, a second cone pulley, a driving shaft, a fourth motor and a sealing plate, the collecting box is fixedly arranged at the upper end of the bottom plate, a cavity is arranged in the collecting box, the upper end of the collecting box is provided with an opening, the output end of the discharging pipe is positioned right above the collecting box, the filter plate is fixedly arranged in the cavity of the collecting box, the rotating shaft is rotatably arranged on the filter plate, the plurality of groups of scraper plates are fixedly arranged on the rotating shaft, the plurality of groups of scraper plates are all close to the filter plate, the first cone pulley is fixedly arranged at the lower end of the rotating shaft, the first cone pulley is meshed with the second cone pulley, the second cone pulley is fixedly arranged at the left end of the driving shaft, the driving shaft is rotatably arranged on the collecting box, the right end of the driving shaft is connected with the output end of the fourth motor, the fourth motor is fixedly arranged on the collecting box, the lower part of the collecting box is provided with a collecting port, the sealing plate is arranged on the outer side of the collecting port; opening a valve on a discharging pipe to enable the plastic ground in the grinding disc pulverizer body to fall into a collecting box through the discharging pipe, then enabling the plastic to fall onto a filter plate through the upper end of the collecting box, then opening a fourth motor, driving a second cone pulley to rotate through a driving shaft by the fourth motor, driving a rotating shaft to rotate by the second cone pulley through a first cone pulley, driving a plurality of groups of scraping plates to rotate by the rotating shaft, promoting the movement of the plastic at the upper end of the filter plate in the rotating process by the plurality of groups of scraping plates, promoting the filtering of the plastic on the filter plate, enabling the ground plastic to fall into the lower part of a cavity of the collecting box through filtering holes in the filter plate, enabling large-particle plastic which is not ground to be left at the upper end of the filter plate, then opening a sealing plate, collecting the plastic ground in the cavity of the collecting box through a collecting hole in the collecting box, and then placing the plastic which is not ground at the upper end of the filter plate into the grinding disc pulverizer body again for secondary grinding, the plastic grinding device facilitates the collection and filtration of ground plastic, and improves the convenience and reliability in the use process.

Preferably, the device also comprises a guide plate, and the guide plate is obliquely arranged at the lower part of the cavity of the collecting box; through the arrangement, the plastic at the lower part of the collecting box cavity can flow from left to right to the collecting port of the collecting box on the guide plate, so that the collection and treatment of the plastic are further facilitated, and the convenience is improved.

Preferably, the outer layer of the fixing frame is provided with an antirust coating; through the arrangement, the rustiness of the fixing frame is delayed, and the service life of the fixing frame is prolonged.

Preferably, a dust cover is arranged on the fourth motor; through the arrangement, dust falling to the fourth motor from the outside is reduced, and the cleanness in the using process is improved.

Compared with the prior art, the utility model has the beneficial effects that: firstly, opening a sealing door at the upper end of a grinding cylinder, then putting the plastic to be ground into a cavity of the grinding cylinder, then closing the sealing door at the upper end of the grinding cylinder, then opening a second motor, driving a rotating shaft to rotate by the second motor, driving a plurality of groups of grinding knives to rotate by the rotating shaft, fully smashing the plastic in the cavity of the grinding cylinder in the rotating process by the plurality of groups of grinding knives to ensure that the plastic particles to be ground are smaller, then opening the sealing door at the upper end of the grinding cylinder, then opening a lifting device, lifting the grinding cylinder by the lifting device through two groups of supporting plates until the grinding cylinder is higher than the grinding cylinder body, then opening a moving device, driving a fixing frame to move rightwards by the moving device, enabling the grinding cylinder to move rightwards by the two groups of supporting plates until the grinding cylinder is positioned above a feed inlet on the grinding mill body, then opening a first motor, driving the grinding cylinder to incline by the first motor through a rotating shaft, the grinding cylinder makes the smashed plastics in the grinding cylinder cavity fall into the feed inlet of the grinding disc pulverizer body due to gravity in the process of inclining, later smashed plastics fall into the grinding disc pulverizer body through the feed inlet of the grinding disc pulverizer body, later the grinding disc pulverizer body is opened, the middle plastics of the grinding disc pulverizer body are ground into powder, later the valve on the discharge pipe is opened, the plastics that make grinding into powder fall into the collection device through the discharge pipe and are collected and processed can, it can treat that the plastics that grind smash in advance, make the plastics volume of treating grinding smaller, the grinding efficiency of the grinding disc pulverizer body is improved, and it can pour the plastics that are treated grinding into the grinding disc pulverizer body automatically, manual handling has been avoided, the labor intensity is reduced, the working efficiency is improved, and the practicability is high.

Drawings

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

FIG. 2 is a schematic structural diagram of a bottom plate, a fixing frame, a screw rod and the like;

FIG. 3 is a schematic view of the structure of a slider, a cylinder, a crushing blade, etc.;

FIG. 4 is a schematic view of the structure of the collection box, the rotary shaft, the squeegee, and the like;

in the drawings, the reference numbers: 1. a base plate; 2. a fixing frame; 3. a support plate; 4. a first motor; 5. a milling drum; 6. a rotating shaft; 7. a crushing knife; 8. a second motor; 9. a millstone pulverizer body; 10. a discharge pipe; 11. a pulley; 12. connecting blocks; 13. a top rod; 14. a cylinder; 15. a fixing rod; 16. a slider; 17. a screw rod; 18. a third motor; 19. a collection box; 20. a filter plate; 21. a rotating shaft; 22. a squeegee; 23. a first cone pulley; 24. a second cone; 25. a drive shaft; 26. a fourth motor; 27. a sealing plate; 28. a baffle.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The two groups of support plates 3 are respectively provided with a rotating shaft, the two groups of rotating shafts are respectively rotatably arranged on the two groups of support plates 3 and are coaxial, the front end of the front rotating shaft is connected with the output end of a first motor 4, the first motor 4 is fixedly arranged on the support plates 3, the front end and the rear end of a crushing barrel 5 are respectively fixedly arranged on the two groups of rotating shafts, a cavity is arranged inside the crushing barrel 5, the upper end of the crushing barrel 5 is open, the upper end of the crushing barrel 5 is provided with a sealing door for sealing the upper end of the crushing barrel 5, a rotating shaft 6 is rotatably arranged on the crushing barrel 5, a plurality of groups of crushing knives 7 are respectively fixedly arranged on the rotating shaft 6, the plurality of groups of crushing knives 7 are respectively positioned in the cavity of the crushing barrel 5, the lower end of the rotating shaft 6 is connected with the output end of a second motor 8, the second motor 8 is fixedly arranged at the lower end of the crushing barrel 5, and a millstone pulverizer body 9 is fixedly arranged at the upper end of a bottom plate 1, the upper end of a grinding disc pulverizer body 9 is provided with a feed inlet, the grinding disc pulverizer body 9 is positioned on the right side of a fixed frame 2, the lower part of the grinding disc pulverizer body 9 is provided with a discharge pipe 10, the discharge pipe 10 is provided with a valve, two groups of pulleys 11 are respectively and fixedly arranged on the front part and the rear part of the lower end of the fixed frame 2, two groups of pulleys 11 are respectively and horizontally slidably arranged on a bottom plate 1, a connecting block 12 is fixedly arranged at the lower end of the fixed frame 2, the right end of an ejector rod 13 is fixedly arranged at the left end of the connecting block 12, the left end of the ejector rod 13 is connected with the output end of an air cylinder 14, the air cylinder 14 is fixedly arranged at the upper end of the bottom plate 1, two groups of fixed rods 15 are respectively and fixedly arranged at the front part and the rear part of the fixed frame 2, a screw rod 17 is rotatably arranged on the fixed frame 2, a slide block 16 is vertically and slidably arranged on the two groups of fixed rods 15, the slide block 16 is in screw assembly with the screw rod 17, a third motor 18 is fixedly arranged at the upper end of the fixed frame 2, the output end of the third motor 18 is connected with the upper end of the screw rod 17, two groups of support plates 3 are fixedly arranged at the right end of the sliding block 16, the collection box 19 is fixedly arranged at the upper end of the bottom plate 1, a cavity is arranged in the collection box 19, the upper end of the collection box 19 is provided with an opening, the output end of the discharge pipe 10 is positioned right above the collection box 19, the filter plate 20 is fixedly arranged in the cavity of the collection box 19, the rotating shaft 21 is rotatably arranged on the filter plate 20, a plurality of groups of scraper plates 22 are fixedly arranged on the rotating shaft 21, the plurality of groups of scraper plates 22 are close to the filter plate 20, the first cone pulley 23 is fixedly arranged at the lower end of the rotating shaft 21, the first cone pulley 23 is meshed with the second cone pulley 24, the second cone pulley 24 is fixedly arranged at the left end of the driving shaft 25, the driving shaft 25 is rotatably arranged on the collection box 19, the right end of the driving shaft 25 is connected with the output end of the fourth motor 26, the fourth motor 26 is fixedly arranged on the collection box 19, the lower part of the collection box 19 is provided with a collection port, and the sealing plate 27 is arranged at the outer side of the collection port, the guide plate 28 is obliquely arranged at the lower part of the cavity of the collecting box 19; firstly, opening a sealing door at the upper end of a grinding cylinder 5, then putting the plastic to be ground into a cavity of the grinding cylinder 5, then closing the sealing door at the upper end of the grinding cylinder 5, then opening a second motor 8, driving a rotating shaft 6 to rotate by the second motor 8, driving a plurality of groups of grinding knives 7 to rotate by the rotating shaft 6, fully crushing the plastic in the cavity of the grinding cylinder 5 by the plurality of groups of grinding knives 7 in the rotating process to ensure that the plastic particles to be ground are smaller, then opening the sealing door at the upper end of the grinding cylinder 5, then opening a third motor 18, driving a screw rod 17 to rotate by the third motor 18, driving a slide block 16 to move upwards by the rotating screw rod 17, driving two groups of support plates 3 to move upwards by the slide block 16, lifting the grinding cylinder 5 by the two groups of support plates 3 until the grinding cylinder 5 is higher than the grinding disc pulverizer body 9, opening a cylinder 14, and enabling a connecting block 12 to move rightwards by the cylinder 14 through an ejector rod 13, the connecting block 12 drives the fixed frame 2 to move rightwards, the fixed frame 2 drives the grinding cylinder 5 to move rightwards through the two groups of support plates 3 until the grinding cylinder 5 is positioned above the upper feeding port of the grinding disc pulverizer body 9, then the first motor 4 is opened, the first motor 4 drives the grinding cylinder 5 to incline through the rotating shaft, the grinding cylinder 5 enables the broken plastic in the cavity of the grinding cylinder 5 to slide into the feeding port of the grinding disc pulverizer body 9 due to gravity in the inclining process, then the broken plastic falls into the grinding disc pulverizer body 9 through the feeding port of the grinding disc pulverizer body 9, then the grinding disc pulverizer body 9 is opened, the middle plastic of the grinding disc pulverizer body 9 is ground into powder, then the valve on the discharging pipe 10 is opened, the ground plastic falls into the cavity of the collecting box 19 through the discharging pipe 10, then the plastic falls onto the filter plate 20 through the upper end of the collecting box 19, and then the fourth motor 26 is opened, the fourth motor 26 drives the second cone pulley 24 to rotate through the driving shaft 25, the second cone pulley 24 drives the rotating shaft 21 to rotate through the first cone pulley 23, the rotating shaft 21 drives the plurality of groups of scrapers 22 to rotate, the plurality of groups of scrapers 22 promote the movement of plastics at the upper end of the filter plate 20 in the rotating process, the filtration of the plastics on the filter plate 20 is promoted, the ground plastics fall into the lower part of the cavity of the collecting box 19 through the filtering holes in the filter plate 20, large-particle plastics which are not ground are left at the upper end of the filter plate 20, then the sealing plate 27 is opened, the ground plastics in the cavity of the collecting box 19 are collected through the collecting port in the collecting box 19, and then the plastics which are not ground at the upper end of the filter plate 20 are placed into the grinding disc machine body 9 again for secondary grinding; smash in advance through the plastics of treating the grinding, make the plastics volume of treating the grinding littleer, improved the grinding efficiency of mill milling machine body 9 to can pour the plastics of treating the grinding into mill milling machine body 9 automatically, avoid artifical transport, reduce intensity of labour, improve work efficiency, the practicality is high.

As shown in figures 1 to 4, the millstone plastic flour mill of the utility model works by firstly opening the sealing door at the upper end of the grinding cylinder 5, then putting the plastic to be ground into the chamber of the grinding cylinder 5, then closing the sealing door at the upper end of the grinding cylinder 5, then opening the second motor 8, the second motor 8 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the plurality of groups of grinding knives 7 to rotate, the plurality of groups of grinding knives 7 fully smash the plastic in the chamber of the grinding cylinder 5 in the rotating process to enable the plastic particles to be ground to be smaller, then opening the sealing door at the upper end of the grinding cylinder 5, then opening the third motor 18, the third motor 18 drives the screw rod 17 to rotate, the rotating screw rod 17 drives the slide block 16 to move upwards, the slide block 16 drives the two groups of support plates 3 to move upwards, the grinding cylinder 5 is lifted by the two groups of support plates 3 until the grinding cylinder 5 is higher than the height of the millstone flour mill body 9, opening the cylinder 14, the cylinder 14 enables the connecting block 12 to move rightwards through the ejector rod 13, the connecting block 12 drives the fixing frame 2 to move rightwards, the fixing frame 2 enables the crushing cylinder 5 to move rightwards through the two groups of support plates 3 until the crushing cylinder 5 is positioned above the upper feeding port of the grinding disc pulverizer body 9, then opening the first motor 4, the first motor 4 drives the crushing cylinder 5 to incline through the rotating shaft, the crushing cylinder 5 enables the crushed plastic in the cavity of the crushing cylinder 5 to slide into the feeding port of the grinding disc pulverizer body 9 due to gravity in the inclining process, then the crushed plastic falls into the grinding disc pulverizer body 9 through the feeding port of the grinding disc pulverizer body 9, then opening the grinding disc pulverizer body 9 to enable the middle plastic of the grinding disc pulverizer body 9 to be pulverized, then opening the valve on the discharge pipe 10 to enable the pulverized plastic to fall into the cavity of the collecting box 19 through the discharge pipe 10, later plastics fall on filter 20 via the upper end of collecting box 19, then open fourth motor 26, fourth motor 26 drives second cone pulley 24 through drive shaft 25 and rotates, second cone pulley 24 drives rotation axis 21 through first cone pulley 23 and rotates, rotation axis 21 drives the rotation of multiunit scraper blade 22, multiunit scraper blade 22 has promoted the motion of filter 20 upper end plastics at rotatory in-process, the filtration of plastics on filter 20 has been promoted, the plastics that grind can fall into the lower part of collecting box 19 cavity through the filtration pore on filter 20, the large granule plastics that are not ground can remain in filter 20 upper end, later open closing plate 27, collect the plastics that grind in the collecting box 19 cavity through the collection mouth on the collecting box 19, later put the plastics that the filter 20 upper end is not ground into mill quick-witted body 9 once more and carry out the secondary grinding can.

The millstone plastic pulverizer disclosed by the utility model has the advantages that the mounting mode, the connection mode or the arrangement mode are common mechanical modes, and the millstone plastic pulverizer can be implemented as long as the beneficial effects of the millstone plastic pulverizer are achieved; the fixing frame 2, the crushing cutter 7, the grinding disc pulverizer body 9, the air cylinder 14, the filter plate 20, the scraper 22 and the sealing plate 27 of the grinding disc plastic pulverizer are purchased from the market, and the technicians in the industry only need to install and operate according to the attached operating instructions without creative labor of the technicians in the field.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A millstone plastic flour mill is characterized by comprising a bottom plate (1), a fixed frame (2), two groups of support plates (3), a first motor (4), a grinding cylinder (5), a rotating shaft (6), a plurality of groups of grinding knives (7), a second motor (8), a millstone flour mill body (9), a discharge pipe (10), a moving device, a lifting device and a collecting device, wherein the moving device is arranged at the upper end of the bottom plate (1), the fixed frame (2) is arranged on the moving device, the moving device is used for moving the fixed frame (2) leftwards and rightwards, the lifting device is arranged on the fixed frame (2), the two groups of support plates (3) are both fixedly arranged on the lifting device, the lifting device is used for lifting the two groups of support plates (3), the two groups of support plates (3) are both provided with rotating shafts, the two groups of rotating shafts are respectively rotatably arranged on the two groups of support plates (3), and the two groups of rotating shafts are coaxial, the front end of a front side rotating shaft is connected with the output end of a first motor (4), the first motor (4) is fixedly arranged on a support plate (3), the front end and the rear end of a crushing barrel (5) are respectively fixedly arranged on two groups of rotating shafts, a cavity is arranged inside the crushing barrel (5), the upper end of the crushing barrel (5) is provided with an opening, the upper end of the crushing barrel (5) is provided with a sealing door which is used for sealing the upper end of the crushing barrel (5), a rotating shaft (6) is rotatably arranged on the crushing barrel (5), a plurality of groups of crushing knives (7) are fixedly arranged on the rotating shaft (6), the plurality of groups of crushing knives (7) are all positioned in the cavity of the crushing barrel (5), the lower end of the rotating shaft (6) is connected with the output end of a second motor (8), the second motor (8) is fixedly arranged at the lower end of the crushing barrel (5), a millstone pulverizer body (9) is fixedly arranged at the upper end of a bottom plate (1), the grinding disc pulverizer body (9) upper end is provided with the feed inlet, and grinding disc pulverizer body (9) are located fixed frame (2) right side, and the lower part of grinding disc pulverizer body (9) is provided with row material pipe (10), arranges and is provided with the valve on material pipe (10), and collection device fixed mounting is in bottom plate (1) upper end, and collection device is located grinding disc pulverizer body (9) right side.

2. A millstone plastic mill according to claim 1, characterized in that the moving means comprises two sets of pulleys (11), a connecting block (12), a push rod (13) and a cylinder (14), the two sets of pulleys (11) are respectively fixedly mounted at the front and rear parts of the lower end of the fixed frame (2), the two sets of pulleys (11) are respectively slidably mounted on the bottom plate (1) from left to right, the connecting block (12) is fixedly mounted at the lower end of the fixed frame (2), the right end of the push rod (13) is fixedly mounted at the left end of the connecting block (12), the left end of the push rod (13) is connected with the output end of the cylinder (14), and the cylinder (14) is fixedly mounted at the upper end of the bottom plate (1).

3. A millstone plastic mill according to claim 1, characterized in that the lifting device comprises two sets of fixed rods (15), a sliding block (16), a screw rod (17) and a third motor (18), the two sets of fixed rods (15) are respectively fixedly mounted at the front and back parts of the fixed frame (2), the screw rod (17) is rotatably mounted on the fixed frame (2), the sliding block (16) is vertically slidably mounted on the two sets of fixed rods (15), the sliding block (16) and the screw rod (17) are screwed, the third motor (18) is fixedly mounted at the upper end of the fixed frame (2), the output end of the third motor (18) is connected with the upper end of the screw rod (17), and the two sets of support plates (3) are fixedly mounted at the right end of the sliding block (16).

4. A millstone plastic mill according to claim 1, characterized in that the collecting device comprises a collecting box (19), a filter plate (20), a rotating shaft (21), a plurality of groups of scrapers (22), a first cone pulley (23), a second cone pulley (24), a driving shaft (25), a fourth motor (26) and a sealing plate (27), the collecting box (19) is fixedly arranged at the upper end of the bottom plate (1), a cavity is arranged inside the collecting box (19), the upper end of the collecting box (19) is an opening, the output end of the discharging pipe (10) is positioned right above the collecting box (19), the filter plate (20) is fixedly arranged in the cavity of the collecting box (19), the rotating shaft (21) is rotatably arranged on the filter plate (20), the plurality of groups of scrapers (22) are fixedly arranged on the rotating shaft (21), the plurality of groups of scrapers (22) are all close to the filter plate (20), the first cone pulley (23) is fixedly arranged at the lower end of the rotating shaft (21), first cone pulley (23) and second cone pulley (24) meshing, second cone pulley (24) fixed mounting is in drive shaft (25) left end, and drive shaft (25) rotate to be installed on collecting box (19), and the right-hand member of drive shaft (25) is connected with the output of fourth motor (26), and fourth motor (26) fixed mounting is on collecting box (19), and the lower part of collecting box (19) is provided with collects the mouth, and the outside at collecting the mouth is installed in closing plate (27).

5. A disc mill for plastic grinding, as in claim 4, characterized by further comprising a deflector (28), the deflector (28) being mounted obliquely to the collection box (19) in the lower part of the cavity.

6. A millstone plastic mill according to claim 1, characterized in that the outer layer of the fixed frame (2) is provided with a rust-proof coating.

7. A millstone plastic mill as claimed in claim 4, characterized in that dust shields are provided on the fourth motor (26).

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