A waste recycling device for thermoplastic plastic processing

Abstract

The present invention relates to the technical field of plastic waste recycling, and in particular to a waste recycling device for thermoplastic plastic processing, comprising a bracket, a controller, a crushing assembly, a driving assembly, and a stirring assembly; the bracket is arranged on the ground; the controller is arranged on one side of the bracket and is fixedly connected to the bracket; the driving assembly is arranged at the lower part of the bracket and is fixedly connected to the bracket, and the driving assembly is electrically connected to the controller; the crushing assembly is arranged at the upper part of the bracket and is fixedly connected to the bracket, and the crushing assembly is drivingly connected to the driving assembly. The present invention solves the technical problem of how to effectively improve the crushing efficiency of crushed plastic waste.

Description

Technical Field

[0001] The invention relates to the technical field of plastic waste recycling, in particular to a waste recycling device for thermoplastic plastic processing. Background Art

[0002] Waste plastics are a general term for plastics that have been used in civil and industrial applications and are eventually eliminated or replaced. Plastics that take 500 to 1,000 years to decompose often cause large-scale pollution. There are many types of waste plastics, and they come from different industries. Plastics can be divided into two categories: thermoplastics and thermosetting plastics according to their structure and properties. At present, most of the plastics that can be recycled in my country are thermoplastic plastics because they are soluble and plastic.

[0003] Recycling plastic waste generally requires a crushing process, and most of the current plastic waste crushing equipment has low crushing efficiency. Summary of the invention

[0004] The present invention aims to solve the technical problem of how to effectively improve the pulverizing efficiency of pulverized plastic waste, and provides a waste recovery device for thermoplastic plastic processing.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A waste recycling device for thermoplastic plastic processing includes a bracket, a controller, a crushing assembly, a driving assembly, and a stirring assembly. The bracket is arranged on the ground. The controller is arranged on one side of the bracket and is fixedly connected to the bracket. The driving assembly is arranged at the lower part of the bracket and is fixedly connected to the bracket, and the driving assembly is electrically connected to the controller. The crushing assembly is arranged at the upper part of the bracket and is fixedly connected to the bracket, and the crushing assembly is drivingly connected to the driving assembly. The stirring assembly is respectively arranged at the upper part and the lower part of the crushing assembly and is fixedly connected to the crushing assembly.

[0007] The crushing assembly includes a crushing barrel, a first rotating shaft, a plurality of first crushing knives, a plurality of first annular grooves, a plurality of first magnetic rings, a plurality of second crushing knives, a plurality of second magnetic rings, and a second rotating shaft. The crushing barrel is vertically arranged on the upper part of the bracket and is fixedly connected to the bracket. The first rotating shaft is vertically arranged in the crushing barrel, and the lower end of the first rotating shaft extends to the outside of the crushing barrel. The lower end of the first rotating shaft is rotatably connected to the bracket through a bearing, and the lower end of the first rotating shaft is drivingly connected to the driving assembly, and the first rotating shaft is a hollow body.

[0008] A plurality of first crushing knives are respectively arranged in the crushing barrel, a plurality of first crushing knives are respectively fixedly connected to the first rotating shaft, a plurality of first crushing knives are arranged at intervals, and a plurality of first crushing knives are respectively arranged to be inclined upward along the rotating direction of the first rotating shaft. A plurality of first annular grooves are respectively arranged on the outer side surface of the first rotating shaft, a plurality of first annular grooves are all grooves, a plurality of first annular groove axes coincide with a plurality of first rotating shaft axes, and a plurality of first annular grooves are respectively located between a plurality of first crushing knives.

[0009] A plurality of first magnetic rings are respectively arranged in a plurality of first annular grooves, a plurality of first magnetic rings are respectively slidably connected to a plurality of first annular grooves, and a plurality of first magnetic ring axes coincide with a plurality of first annular groove axes. A plurality of second crushing knives are respectively arranged in a crushing barrel, a plurality of second crushing knives are respectively fixedly connected to an outer side surface of a plurality of first magnetic rings, a plurality of second crushing knives are arranged at intervals, and a plurality of second crushing knives are respectively arranged to tilt upward along a rotation direction of the corresponding first magnetic ring.

[0010] The second rotating shaft is arranged inside the first rotating shaft, the top end of the second rotating shaft is rotatably connected to the top end of the first rotating shaft through a bearing, the lower end of the second rotating shaft is drivingly connected to the driving assembly, and the axis of the second rotating shaft coincides with the axis of the first rotating shaft. A plurality of second magnetic rings are respectively sleeved on the second rotating shaft and are respectively fixedly connected to the second rotating shaft, the axes of the plurality of second magnetic rings respectively coincide with the axes of the second rotating shaft, the plurality of second magnetic rings are respectively arranged in one-to-one correspondence with the plurality of first magnetic rings, and the outer rings of the plurality of second magnetic rings have opposite magnetism to the inner rings of the plurality of first magnetic rings.

[0011] According to the above technical solution, the driving component is started by the controller, and the driving component drives the stirring component to start. The driving component drives the first rotating shaft to rotate, and the first rotating shaft drives the first crushing knives to rotate. The driving component drives the second rotating shaft to rotate in the opposite direction of the first rotating shaft. The second rotating shaft drives the second magnetic rings to rotate, and the second magnetic rings drive the corresponding first magnetic rings to rotate respectively, and the first magnetic rings rotate in the first annular grooves respectively, and the first magnetic rings drive the second crushing knives to rotate respectively. The plastic waste to be crushed is placed from the top of the crushing barrel into the stirring component, and the plastic waste after stirring and loosening is transported from the upper port of the crushing barrel to the crushing barrel by the stirring component, and the rotating first crushing knives and the second crushing knives crush the plastic waste in the crushing barrel, and at the same time, the rotating first crushing knives and the second crushing knives exert downward force on the plastic waste, and the crushed plastic waste slides from the lower port of the crushing barrel into the stirring component, and is output by the stirring component after being stirred and loosened. The crushing efficiency of the plastic waste is effectively improved by arranging a crushing barrel, a first rotating shaft, a plurality of first crushing knives, a plurality of first annular grooves, a plurality of first magnetic rings, a plurality of second crushing knives, a plurality of second magnetic rings and a second rotating shaft.

[0012] Preferably, the crushing assembly includes a plurality of second annular grooves, a plurality of third magnetic rings, a plurality of third crushing knives, and a plurality of magnetic sheets. The plurality of second annular grooves are arranged on the inner side of the crushing barrel, the plurality of second annular grooves are all grooves, the axes of the plurality of second annular grooves coincide with the axes of the crushing barrel, the plurality of second annular grooves are arranged at intervals, and the plurality of second annular grooves are arranged one-to-one with the plurality of first crushing knives.

[0013] The plurality of third magnetic rings are respectively arranged in the plurality of second annular grooves, and are respectively slidably connected with the plurality of second annular grooves, and the axes of the plurality of third magnetic rings coincide with the axes of the plurality of second annular grooves. The plurality of third crushing knives are respectively arranged between the plurality of first crushing knives, the plurality of second crushing knives and the crushing barrel, and the plurality of third crushing knives are respectively fixedly connected with the inner side surfaces of the plurality of third magnetic rings, and the plurality of third crushing knives are arranged at intervals, and the plurality of third crushing knives have small gaps with the first crushing knives and the second crushing knives adjacent thereto in the horizontal direction.

[0014] The plurality of magnetic sheets are respectively arranged at one end of the plurality of first crushing knives away from the first rotating shaft, the plurality of magnetic sheets are respectively fixedly connected to the plurality of first crushing knives, the plurality of magnetic sheets respectively match the shapes of the corresponding first crushing knives, and the ends of the plurality of magnetic sheets close to the plurality of third magnetic rings respectively have opposite magnetic properties to the inner rings of the third magnetic rings.

[0015] According to the above technical solution, the rotating first crushing knives respectively drive the magnetic sheets to rotate, the magnetic sheets respectively drive the corresponding third magnetic rings to rotate, the third magnetic rings respectively rotate in the second annular grooves, and the third magnetic rings respectively drive the third crushing knives to rotate. The rotating third crushing knives crush the plastic waste between the crushing barrel and the first crushing knives and the second crushing knives, and the rotating third crushing knives exert a downward force on the plastic waste. The crushing efficiency of the plastic waste is further improved by the arrangement of the second annular grooves, the third magnetic rings, the third crushing knives, and the magnetic sheets.

[0016] Preferably, the driving assembly includes a gear ring, a first gear, a second gear, and a motor. The gear ring is arranged at the bottom of the inner side of the first rotating shaft, and is fixedly connected to the first rotating shaft, and the axis of the gear ring coincides with the axis of the first rotating shaft. The first gear is arranged on the inner side of the gear ring, and the first gear is fixedly connected to the second rotating shaft, and the axis of the first gear coincides with the axis of the second rotating shaft. The motor is arranged below the first rotating shaft and is fixedly connected to the bracket, the motor is electrically connected to the controller, the motor shaft is arranged upward, and the axis of the motor shaft is parallel to the axis of the first rotating shaft. The second gear is arranged on the inner side of the gear ring, and is fixedly connected to the motor shaft, and the axis of the second gear coincides with the axis of the motor, and the second gear meshes with the gear ring and the first gear respectively.

[0017] According to the above technical solution, the controller controls the motor to start, the motor drives the second gear to rotate, the second gear drives the gear ring to rotate, and the gear ring drives the first rotating shaft to rotate. The second gear drives the first gear to rotate in the opposite direction to the gear ring, and the first gear drives the second rotating shaft to rotate. Through the arrangement of the gear ring, the first gear, the second gear, and the motor, the first rotating shaft and the second rotating shaft can be rotated in opposite directions at the same time.

[0018] Preferably, the stirring assembly includes a feed hopper, a first stirring shaft, and two first stirring blades. The feed hopper is arranged on the top of the crushing barrel, the lower end of the feed hopper is fixedly connected to the crushing barrel, the feed hopper is communicated with the crushing barrel, and the diameter of the upper end of the feed hopper is larger than the diameter of the lower end. The first stirring shaft is vertically arranged in the feed hopper, and the lower end of the first stirring shaft is fixedly connected to the second rotating shaft. The two first stirring blades are respectively arranged in the feed hopper, and are respectively fixedly connected to the first stirring shaft, and the two first stirring blades are axially symmetrically distributed along the axis of the first stirring shaft.

[0019] According to the above technical solution, the rotating second rotating shaft drives the first stirring shaft to rotate, and the first stirring shaft drives the two first stirring blades to rotate. The plastic waste is put into the feed hopper from the upper port of the feed hopper, and the two rotating first stirring blades stir the plastic waste in the feed hopper. Through the setting of the feed hopper, the first stirring shaft, and the two first stirring blades, the plastic waste that sticks together can be separated for subsequent crushing processing, which further improves the crushing efficiency of the plastic waste.

[0020] Preferably, the stirring assembly includes a discharge hopper, a second stirring shaft, and two second stirring blades. The discharge hopper is arranged at the bottom of the crushing barrel, the upper end of the discharge hopper is fixedly connected to the crushing barrel, the discharge hopper is communicated with the crushing barrel, and the diameter of the upper end of the discharge hopper is larger than the diameter of the lower end. The second stirring shaft is vertically arranged in the discharge hopper, and the upper end of the second stirring shaft is fixedly connected to the second rotating shaft. Two second stirring blades are arranged in the discharge hopper, and are respectively fixedly connected to the second stirring shaft, and the two second stirring blades are axially symmetrically distributed along the axis of the second stirring shaft.

[0021] According to the above technical solution, the rotating second rotating shaft drives the second stirring shaft to rotate, and the second stirring shaft drives the two second stirring blades to rotate. The plastic waste after the pulverizing process slides into the discharge hopper through the lower port of the pulverizing barrel, and the two rotating second stirring blades stir the plastic waste in the discharge hopper. Through the arrangement of the discharge hopper, the second stirring shaft, and the two second stirring blades, the pulverized plastic waste can be effectively prevented from being blocked.

[0022] Preferably, the crushing assembly includes a protective cover and a rotating shaft opening. The protective cover is arranged above the motor and fixedly connected to the bracket. The protective cover is conical, and the tip of the protective cover is arranged upward. The rotating shaft opening is arranged at the tip of the protective cover, and the rotating shaft opening is a through opening. The lower end of the first rotating shaft passes through the rotating shaft opening, and the first rotating shaft is rotatably connected to the rotating shaft opening through a bearing.

[0023] According to the above technical solution, the plastic waste that slides onto the protective cover continues to slide into the discharge hopper due to inertia and its own gravity. The provision of the protective cover can effectively prevent the pulverized plastic waste from accumulating on the motor.

[0024] Preferably, the crushing assembly includes a plurality of first rollers, which are respectively arranged on the inner sides of the plurality of first magnetic rings, and are respectively connected in a rolling manner to the plurality of first magnetic rings and the plurality of first annular grooves.

[0025] According to the above technical solution, the rotating first magnetic rings drive the first rollers to roll respectively, and the first rollers roll between the first magnetic rings and the first annular grooves respectively. The friction between the first magnetic rings and the first annular grooves can be effectively reduced by setting the first rollers.

[0026] Preferably, the crushing assembly includes a plurality of second rollers, which are respectively arranged on the outer sides of the plurality of third magnetic rings, and are respectively connected in a rolling manner to the plurality of third magnetic rings and the plurality of second annular grooves.

[0027] According to the above technical solution, the rotating third magnetic rings drive the second rollers to roll respectively, and the second rollers roll between the third magnetic rings and the second annular grooves respectively. The friction between the third magnetic rings and the second annular grooves can be effectively reduced by setting the second rollers.

[0028] Preferably, the stirring assembly includes a first spiral blade. The first spiral blade is arranged between the two first stirring blades and the first rotating shaft, the first spiral blade is fixedly connected to the first stirring shaft, the axis of the first spiral blade coincides with the axis of the first stirring shaft, and there is a small gap between the first spiral blade and the inner wall of the feed hopper.

[0029] According to the above technical solution, the rotating second rotating shaft drives the first spiral blade to rotate, and the plastic waste that has been stirred and loosened is gradually transported to the crushing barrel through the lower port of the feed hopper by the rotating first spiral blade. Through the arrangement of the first spiral blade, the plastic waste can be transported to the crushing barrel at a stable rate, preventing the plastic waste from being blocked and further improving the crushing efficiency of the plastic waste.

[0030] Preferably, the stirring assembly includes a second spiral blade. The second spiral blade is arranged below the two second stirring blades, the second spiral blade is fixedly connected to the second stirring shaft, the axis of the second spiral blade coincides with the axis of the second stirring shaft, and there is a small gap between the second spiral blade and the inner wall of the discharge hopper.

[0031] According to the above technical solution, the rotating second rotating shaft drives the second spiral blade to rotate, and the plastic waste that has been stirred and loosened is discharged successively by the rotating second spiral blade through the lower port of the discharge hopper. Through the arrangement of the second spiral blade, the plastic waste can be discharged at a stable rate, preventing the plastic waste from being blocked and making the subsequent plastic waste collection process more convenient.

[0032] Beneficial effects of the present invention:

[0033] 1. The crushing efficiency of the plastic waste is effectively improved by setting a crushing barrel, a first rotating shaft, a plurality of first crushing knives, a plurality of first annular grooves, a plurality of first magnetic rings, a plurality of second crushing knives, a plurality of second magnetic rings, a second rotating shaft, a plurality of second annular grooves, a plurality of third magnetic rings, a plurality of third crushing knives, and a plurality of magnetic sheets.

[0034] 2. Through the arrangement of the hopper, the first stirring shaft, the two first stirring blades, the discharge hopper, the second stirring shaft, the two second stirring blades, the first spiral blade and the second spiral blade, the plastic waste that sticks together can be separated and the plastic waste can be input and output at a stable rate, thereby preventing the plastic waste from being blocked and further improving the crushing efficiency of the plastic waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the cross-sectional structure of the waste recycling device for thermoplastic processing;

[0036] Figure 2 is a schematic diagram of the structure of a gear ring, a first gear, and a second gear;

[0037] Figure 3 It is a partial cross-sectional structural schematic diagram of the first rotating shaft.

[0038] Explanation of the reference numerals: 1. bracket; 2. first rotating shaft; 3. first crushing blade; 4. second crushing blade; 5. first magnetic ring; 6. third crushing blade; 7. third magnetic ring; 8. feed hopper; 9. first stirring shaft; 10. first stirring blade; 11. first spiral blade; 12. discharge hopper; 13. second stirring shaft; 14. second stirring blade; 15. second spiral blade; 16. motor; 17. second rotating shaft; 18. first gear; 19. second gear; 20. gear ring; 21. second magnetic ring; 22. crushing barrel; 23. magnetic sheet. DETAILED DESCRIPTION

[0039] The concept and technical effects of the present invention will be clearly and completely described below in conjunction with embodiments to fully understand the purpose, features and effects of the present invention.

[0040] A waste recycling device for thermoplastic processing, referring to Figure 1 and Figure 3 , including a bracket 1, a controller, a crushing assembly, a driving assembly, and a stirring assembly. The bracket 1 is set on the ground. The controller is set on one side of the bracket 1 and is fixedly connected to the bracket 1. The driving assembly is set at the lower part of the bracket 1 and is fixedly connected to the bracket 1. The driving assembly is electrically connected to the controller. The crushing assembly is set at the upper part of the bracket 1 and is fixedly connected to the bracket 1. The crushing assembly is drivingly connected to the driving assembly. The stirring assembly is respectively set at the upper and lower parts of the crushing assembly and is fixedly connected to the crushing assembly.

[0041] The crushing assembly includes a crushing barrel 22, a first rotating shaft 2, a plurality of first crushing knives 3, a plurality of first annular grooves, a plurality of first magnetic rings 5, a plurality of second crushing knives 4, a plurality of second magnetic rings 21, and a second rotating shaft 17. The crushing barrel 22 is vertically arranged on the upper part of the bracket 1 and is fixedly connected to the bracket 1. The first rotating shaft 2 is vertically arranged in the crushing barrel 22, and the lower end of the first rotating shaft 2 extends to the outside of the crushing barrel 22. The lower end of the first rotating shaft 2 is rotatably connected to the bracket 1 through a bearing, and the lower end of the first rotating shaft 2 is drivingly connected to the driving assembly, and the first rotating shaft 2 is a hollow body.

[0042] A plurality of first crushing knives 3 are respectively arranged in the crushing barrel 22, a plurality of first crushing knives 3 are respectively fixedly connected to the first rotating shaft 2, a plurality of first crushing knives 3 are respectively arranged at intervals, and a plurality of first crushing knives 3 are respectively arranged to be inclined upward along the rotating direction of the first rotating shaft 2. A plurality of first annular grooves are respectively arranged on the outer side surface of the first rotating shaft 2, a plurality of first annular grooves are all grooves, a plurality of first annular groove axes respectively coincide with a plurality of first rotating shaft 2 axes, and a plurality of first annular grooves are respectively located between a plurality of first crushing knives 3.

[0043] A plurality of first magnetic rings 5 ​​are respectively arranged in a plurality of first annular grooves, a plurality of first magnetic rings 5 ​​are respectively slidably connected to a plurality of first annular grooves, and the axes of a plurality of first magnetic rings 5 ​​coincide with the axes of a plurality of first annular grooves. A plurality of second crushing knives 4 are respectively arranged in a crushing barrel 22, a plurality of second crushing knives 4 are respectively fixedly connected to the outer side surfaces of a plurality of first magnetic rings 5, a plurality of second crushing knives 4 are arranged at intervals, and a plurality of second crushing knives 4 are respectively arranged to be tilted upward along the rotation direction of the corresponding first magnetic rings 5.

[0044] The second rotating shaft 17 is arranged in the first rotating shaft 2, the top of the second rotating shaft 17 is rotatably connected to the top of the first rotating shaft 2 through a bearing, the lower end of the second rotating shaft 17 is drivingly connected to the driving assembly, and the axis of the second rotating shaft 17 coincides with the axis of the first rotating shaft 2. A plurality of second magnetic rings 21 are respectively sleeved on the second rotating shaft 17 and are respectively fixedly connected to the second rotating shaft 17, the axes of the plurality of second magnetic rings 21 coincide with the axes of the second rotating shaft 17, the plurality of second magnetic rings 21 are respectively arranged in one-to-one correspondence with the plurality of first magnetic rings 5, and the outer ring magnetism of the plurality of second magnetic rings 21 is opposite to the inner ring magnetism of the plurality of first magnetic rings 5.

[0045] The controller controls the driving assembly to start, and the driving assembly drives the stirring assembly to start. The driving assembly drives the first rotating shaft 2 to rotate, and the first rotating shaft 2 drives the first crushing knives 3 to rotate. The driving assembly drives the second rotating shaft 17 to rotate in the opposite direction of the first rotating shaft 2. The second rotating shaft 17 drives the second magnetic rings 21 to rotate, and the second magnetic rings 21 respectively drive the corresponding first magnetic rings 5 ​​to rotate, and the first magnetic rings 5 ​​respectively rotate in the first annular grooves, and the first magnetic rings 5 ​​respectively drive the second crushing knives 4 to rotate. The plastic waste to be crushed is placed into the stirring assembly from the top of the crushing barrel 22, and the plastic waste after being stirred and loosened is transported from the upper port of the crushing barrel 22 to the crushing barrel 22 by the stirring assembly, and the rotating first crushing knives 3 and the second crushing knives 4 crush the plastic waste in the crushing barrel 22, and at the same time, the rotating first crushing knives 3 and the second crushing knives 4 exert downward force on the plastic waste, and the plastic waste after being crushed slides from the lower port of the crushing barrel 22 into the stirring assembly, and is output by the stirring assembly after being stirred and loosened. The crushing efficiency of the crushed plastic waste is effectively improved by the arrangement of the crushing barrel 22, the first rotating shaft 2, the first crushing knives 3, the first annular grooves, the first magnetic rings 5, the second crushing knives 4, the second magnetic rings 21, and the second rotating shaft 17.

[0046] Reference Figure 1 The crushing assembly includes a plurality of second annular grooves, a plurality of third magnetic rings 7, a plurality of third crushing knives 6, and a plurality of magnetic sheets 23. The plurality of second annular grooves are arranged on the inner side of the crushing barrel 22, the plurality of second annular grooves are all grooves, the axes of the plurality of second annular grooves coincide with the axes of the crushing barrel 22, the plurality of second annular grooves are arranged at intervals, and the plurality of second annular grooves are arranged one by one with the plurality of first crushing knives 3.

[0047] The third magnetic rings 7 are respectively arranged in the second annular grooves, and are respectively slidably connected with the second annular grooves. The axes of the third magnetic rings 7 coincide with the axes of the second annular grooves. The third crushing knives 6 are respectively arranged between the first crushing knives 3, the second crushing knives 4 and the crushing barrel 22. The third crushing knives 6 are respectively fixedly connected with the inner side surfaces of the third magnetic rings 7. The third crushing knives 6 are arranged at intervals. There are small gaps between the third crushing knives 6 and the first crushing knives 3 and the second crushing knives 4 adjacent to them in the horizontal direction.

[0048] The plurality of magnetic sheets 23 are respectively arranged at one end of the plurality of first crushing knives 3 away from the first rotating shaft 2, the plurality of magnetic sheets 23 are respectively fixedly connected to the plurality of first crushing knives 3, the plurality of magnetic sheets 23 respectively match the shapes of the corresponding first crushing knives 3, and the ends of the plurality of magnetic sheets 23 close to the plurality of third magnetic rings 7 have opposite magnetic properties to the inner rings of the third magnetic rings 7.

[0049] The rotating first crushing knives 3 drive the magnetic sheets 23 to rotate respectively, and the magnetic sheets 23 drive the corresponding third magnetic rings 7 to rotate respectively, and the third magnetic rings 7 rotate in the second annular grooves respectively, and the third magnetic rings 7 drive the third crushing knives 6 to rotate respectively. The rotating third crushing knives 6 crush the plastic waste between the crushing barrel 22 and the first crushing knives 3 and the second crushing knives 4, and the rotating third crushing knives 6 exert downward force on the plastic waste. The crushing efficiency of the plastic waste is further improved by the arrangement of the second annular grooves, the third magnetic rings 7, the third crushing knives 6, and the magnetic sheets 23.

[0050] Reference Figure 2 and Figure 3 The driving assembly includes a gear ring 20, a first gear 18, a second gear 19, and a motor 16. The gear ring 20 is arranged at the bottom of the inner side of the first rotating shaft 2, and is fixedly connected to the first rotating shaft 2. The axis of the gear ring 20 coincides with the axis of the first rotating shaft 2. The first gear 18 is arranged on the inner side of the gear ring 20, and the first gear 18 is fixedly connected to the second rotating shaft 17, and the axis of the first gear 18 coincides with the axis of the second rotating shaft 17. The motor 16 is arranged below the first rotating shaft 2, and is fixedly connected to the bracket 1. The motor 16 is electrically connected to the controller, and the motor 16 shaft is arranged upward, and the axis of the motor 16 shaft is parallel to the axis of the first rotating shaft 2. The second gear 19 is arranged on the inner side of the gear ring 20, and is fixedly connected to the motor 16 shaft. The axis of the second gear 19 coincides with the axis of the motor 16, and the second gear 19 meshes with the gear ring 20 and the first gear 18 respectively.

[0051] The controller controls the motor 16 to start, the motor 16 drives the second gear 19 to rotate, the second gear 19 drives the gear ring 20 to rotate, and the gear ring 20 drives the first rotating shaft 2 to rotate. The second gear 19 drives the first gear 18 to rotate in the opposite direction to the gear ring 20, and the first gear 18 drives the second rotating shaft 17 to rotate. Through the arrangement of the gear ring 20, the first gear 18, the second gear 19, and the motor 16, the first rotating shaft 2 and the second rotating shaft 17 can be simultaneously rotated in opposite directions.

[0052] Reference Figure 1 The stirring assembly includes a feed hopper 8, a first stirring shaft 9, and two first stirring blades 10. The feed hopper 8 is arranged on the top of the crushing barrel 22, and the lower end of the feed hopper 8 is fixedly connected to the crushing barrel 22. The feed hopper 8 is connected to the crushing barrel 22, and the upper end diameter of the feed hopper 8 is larger than the lower end diameter. The first stirring shaft 9 is vertically arranged in the feed hopper 8, and the lower end of the first stirring shaft 9 is fixedly connected to the second rotating shaft 17. The two first stirring blades 10 are respectively arranged in the feed hopper 8, and are respectively fixedly connected to the first stirring shaft 9. The two first stirring blades 10 are axially symmetrically distributed along the axis of the first stirring shaft 9.

[0053] The rotating second rotating shaft 17 drives the first stirring shaft 9 to rotate, and the first stirring shaft 9 drives the two first stirring blades 10 to rotate. The plastic waste is put into the feed hopper 8 from the upper port of the feed hopper 8, and the two rotating first stirring blades 10 stir the plastic waste in the feed hopper 8. Through the arrangement of the feed hopper 8, the first stirring shaft 9, and the two first stirring blades 10, the plastic waste that sticks together can be separated for subsequent crushing, which further improves the crushing efficiency of the plastic waste.

[0054] Reference Figure 1 The stirring assembly includes a discharge hopper 12, a second stirring shaft 13, and two second stirring blades 14. The discharge hopper 12 is arranged at the bottom of the crushing barrel 22, and the upper end of the discharge hopper 12 is fixedly connected to the crushing barrel 22. The discharge hopper 12 is communicated with the crushing barrel 22, and the upper end diameter of the discharge hopper 12 is larger than the lower end diameter. The second stirring shaft 13 is vertically arranged in the discharge hopper 12, and the upper end of the second stirring shaft 13 is fixedly connected to the second rotating shaft 17. The two second stirring blades 14 are arranged in the discharge hopper 12, and are respectively fixedly connected to the second stirring shaft 13, and the two second stirring blades 14 are axially symmetrically distributed along the axis of the second stirring shaft 13.

[0055] The rotating second rotating shaft 17 drives the second stirring shaft 13 to rotate, and the second stirring shaft 13 drives the two second stirring blades 14 to rotate. The pulverized plastic waste slides into the discharge hopper 12 through the lower port of the pulverizing barrel 22, and the two rotating second stirring blades 14 stir the plastic waste in the discharge hopper 12. The arrangement of the discharge hopper 12, the second stirring shaft 13, and the two second stirring blades 14 can effectively prevent the pulverized plastic waste from being blocked.

[0056] The crushing assembly includes a protective cover and a rotating shaft opening. The protective cover is arranged above the motor 16 and is fixedly connected to the bracket 1. The protective cover is conical, and the tip of the protective cover is arranged upward. The rotating shaft opening is arranged at the tip of the protective cover, and the rotating shaft opening is a through opening. The lower end of the first rotating shaft 2 passes through the rotating shaft opening, and the first rotating shaft 2 is rotatably connected to the rotating shaft opening through a bearing.

[0057] The plastic waste that slides onto the protective cover continues to slide into the discharge hopper 12 due to inertia and self-gravity. Through the setting of the protective cover, it is possible to effectively prevent the plastic waste that has been crushed from being accumulated on the motor 16.

[0058] The crushing assembly includes a plurality of first rollers, which are respectively arranged on the inner sides of the plurality of first magnetic rings 5 ​​and are respectively connected in a rolling manner to the plurality of first magnetic rings 5 ​​and the plurality of first annular grooves.

[0059] The rotating first magnetic rings 5 ​​drive the first rollers to roll respectively, and the first rollers roll between the first magnetic rings 5 ​​and the first annular grooves respectively. The friction between the first magnetic rings 5 ​​and the first annular grooves can be effectively reduced by setting the first rollers.

[0060] The crushing assembly includes a plurality of second rollers, which are respectively arranged on the outer sides of the plurality of third magnetic rings 7 and are respectively connected in a rolling manner to the plurality of third magnetic rings 7 and the plurality of second annular grooves.

[0061] The rotating third magnetic rings 7 drive the second rollers to roll respectively, and the second rollers roll between the third magnetic rings 7 and the second annular grooves respectively. The friction between the third magnetic rings 7 and the second annular grooves can be effectively reduced by setting the second rollers.

[0062] Reference Figure 1 The stirring assembly includes a first spiral blade 11. The first spiral blade 11 is arranged between the two first stirring blades 10 and the first rotating shaft 2, the first spiral blade 11 is fixedly connected to the first stirring shaft 9, the axis of the first spiral blade 11 coincides with the axis of the first stirring shaft 9, and there is a small gap between the first spiral blade 11 and the inner wall of the feed hopper 8.

[0063] The rotating second rotating shaft 17 drives the first spiral blade 11 to rotate, and the plastic waste that has been stirred and loosened is successively transported to the crushing barrel 22 by the rotating first spiral blade 11 through the lower port of the feed hopper 8. Through the arrangement of the first spiral blade 11, the plastic waste can be transported to the crushing barrel 22 at a stable rate, preventing the plastic waste from being blocked and further improving the crushing efficiency of the plastic waste.

[0064] Reference Figure 1 The stirring assembly includes a second spiral blade 15. The second spiral blade 15 is arranged below the two second stirring blades 14, the second spiral blade 15 is fixedly connected to the second stirring shaft 13, the axis of the second spiral blade 15 coincides with the axis of the second stirring shaft 13, and there is a small gap between the second spiral blade 15 and the inner wall of the discharge hopper 12.

[0065] The rotating second rotating shaft 17 drives the second spiral blade 15 to rotate, and the plastic waste that has been stirred and loosened is successively discharged by the rotating second spiral blade 15 through the lower port of the discharge hopper 12. Through the arrangement of the second spiral blade 15, the plastic waste can be discharged at a stable rate, which prevents the plastic waste from being blocked and facilitates the subsequent plastic waste collection process.

[0066] Working principle: The controller controls the motor 16 to start, the motor 16 drives the second gear 19 to rotate, the second gear 19 drives the gear ring 20 to rotate, the gear ring 20 drives the first rotating shaft 2 to rotate, the rotating first crushing knives 3 respectively drive the magnetic sheets 23 to rotate, the magnetic sheets 23 respectively drive the corresponding third magnetic rings 7 to rotate, the third magnetic rings 7 respectively rotate in the second annular grooves, the rotating third magnetic rings 7 respectively drive the second rollers to roll, the second rollers respectively roll between the third magnetic rings 7 and the second annular grooves, and the third magnetic rings 7 respectively drive the third crushing knives 6 to rotate. The first rotating shaft 2 drives the first crushing knives 3 to rotate. The second gear 19 drives the first gear 18 to rotate in the opposite direction to the gear ring 20, the first gear 18 drives the second rotating shaft 17 to rotate in the opposite direction to the first rotating shaft 2, the second rotating shaft 17 drives a plurality of second magnetic rings 21 to rotate, the plurality of second magnetic rings 21 respectively drive the corresponding first magnetic rings 5 ​​to rotate, the plurality of first magnetic rings 5 ​​respectively rotate in the plurality of first annular grooves, the plurality of first magnetic rings 5 ​​in rotation respectively drive a plurality of first rollers to roll, the plurality of first rollers respectively roll between the plurality of first magnetic rings 5 ​​and the plurality of first annular grooves, the plurality of first magnetic rings 5 ​​respectively drive a plurality of second crushing knives 4 to rotate. The rotating second rotating shaft 17 drives the first stirring shaft 9 to rotate, the first stirring shaft 9 respectively drives the two first stirring blades 10 and the first spiral blade 11 to rotate. The rotating second rotating shaft 17 drives the second stirring shaft 13 to rotate, the second stirring shaft 13 respectively drives the two second stirring blades 14 and the second spiral blade 15 to rotate. The plastic waste is put into the feed hopper 8 from the upper port of the feed hopper 8, and the two rotating first stirring blades 10 stir the plastic waste in the feed hopper 8. The plastic waste loosened by stirring is successively transported to the crushing barrel 22 by the rotating first spiral blade 11 through the lower port of the feed hopper 8. The rotating first crushing knives 3 and the second crushing knives 4 crush the plastic waste in the crushing barrel 22, and at the same time, the rotating first crushing knives 3 and the second crushing knives 4 exert downward force on the plastic waste. The rotating third crushing knives 6 crush the plastic waste between the crushing barrel 22 and the first crushing knives 3 and the second crushing knives 4, and at the same time, the rotating third crushing knives 6 exert downward force on the plastic waste. The crushed plastic waste slides into the discharge hopper 12 through the lower port of the crushing barrel 22, and the two rotating second stirring blades 14 stir the plastic waste in the discharge hopper 12. The plastic waste loosened by stirring is successively discharged by the rotating second spiral blade 15 through the lower port of the discharge hopper 12.

[0067] The above embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative work shall all fall within the scope of protection of the present invention.

Claims

1. A waste recycling device for thermoplastic processing, characterized in that: It comprises a bracket (1), a controller, a crushing component, a driving component, and a stirring component; The support (1) is arranged on the ground; the controller is arranged on one side of the support (1) and is fixedly connected to the support (1); the drive assembly is arranged at the lower part of the support (1) and is fixedly connected to the support (1), and the drive assembly is electrically connected to the controller; the crushing assembly is arranged at the upper part of the support (1) and is fixedly connected to the support (1), and the crushing assembly is drivingly connected to the drive assembly; the stirring assembly is respectively arranged at the upper part and the lower part of the crushing assembly and is fixedly connected to the crushing assembly; The crushing assembly comprises a crushing barrel (22), a first rotating shaft (2), a plurality of first crushing knives (3), a plurality of first annular grooves, a plurality of first magnetic rings (5), a plurality of second crushing knives (4), a plurality of second magnetic rings (21), and a second rotating shaft (17); The crushing barrel (22) is vertically arranged on the upper part of the bracket (1) and is fixedly connected to the bracket (1); The first rotating shaft (2) is vertically arranged in the crushing barrel (22), the lower end of the first rotating shaft (2) extends to the outside of the crushing barrel (22), the lower end of the first rotating shaft (2) is rotatably connected to the bracket (1) via a bearing, the lower end of the first rotating shaft (2) is drivingly connected to the driving component, and the first rotating shaft (2) is a hollow body; A plurality of the first crushing knives (3) are respectively arranged in the crushing barrel (22), a plurality of the first crushing knives (3) are respectively fixedly connected to the first rotating shaft (2), a plurality of the first crushing knives (3) are arranged at intervals, and a plurality of the first crushing knives (3) are respectively arranged to be inclined upward along the rotating direction of the first rotating shaft (2); A plurality of the first annular grooves are respectively arranged on the outer side surface of the first rotating shaft (2), the plurality of the first annular grooves are all grooves, the axes of the plurality of the first annular grooves respectively coincide with the axes of the first rotating shaft (2), and the plurality of the first annular grooves are respectively located between the plurality of the first crushing knives (3); A plurality of the first magnetic rings (5) are respectively arranged in a plurality of the first annular grooves, a plurality of the first magnetic rings (5) are respectively slidably connected to a plurality of the first annular grooves, and axes of a plurality of the first magnetic rings (5) respectively coincide with axes of a plurality of the first annular grooves; A plurality of the second crushing knives (4) are respectively arranged in the crushing barrel (22), a plurality of the second crushing knives (4) are respectively fixedly connected to the outer side surfaces of a plurality of the first magnetic rings (5), a plurality of the second crushing knives (4) are arranged at intervals, and a plurality of the second crushing knives (4) are respectively arranged to be inclined upward along the rotation direction of the corresponding first magnetic ring (5); The second rotating shaft (17) is arranged inside the first rotating shaft (2), the top end of the second rotating shaft (17) is rotatably connected to the top end of the first rotating shaft (2) via a bearing, the lower end of the second rotating shaft (17) is drivingly connected to the driving assembly, and the axis of the second rotating shaft (17) coincides with the axis of the first rotating shaft (2); The plurality of second magnetic rings (21) are respectively sleeved on the second rotating shaft (17) and are respectively fixedly connected to the second rotating shaft (17); the axes of the plurality of second magnetic rings (21) respectively coincide with the axes of the second rotating shaft (17); the plurality of second magnetic rings (21) are respectively arranged in one-to-one correspondence with the plurality of first magnetic rings (5); and the outer rings of the plurality of second magnetic rings (21) have opposite magnetic properties to the inner rings of the plurality of first magnetic rings (5); The crushing assembly comprises a plurality of second annular grooves, a plurality of third magnetic rings (7), a plurality of third crushing knives (6), and a plurality of magnetic sheets (23); A plurality of the second annular grooves are arranged on the inner side of the crushing barrel (22), the plurality of the second annular grooves are all grooves, the axes of the plurality of the second annular grooves respectively coincide with the axes of the crushing barrel (22), the plurality of the second annular grooves are arranged at intervals, and the plurality of the second annular grooves are respectively arranged in one-to-one correspondence with the plurality of the first crushing knives (3); The plurality of third magnetic rings (7) are respectively arranged in the plurality of second circular grooves and are respectively slidably connected to the plurality of second circular grooves, and the axes of the plurality of third magnetic rings (7) respectively coincide with the axes of the plurality of second circular grooves; The plurality of third crushing knives (6) are respectively arranged between the plurality of first crushing knives (3), the plurality of second crushing knives (4) and the crushing barrel (22); the plurality of third crushing knives (6) are respectively fixedly connected to the inner side surfaces of the plurality of third magnetic rings (7); the plurality of third crushing knives (6) are arranged at intervals; and the plurality of third crushing knives (6) have small gaps with the first crushing knives (3) and the plurality of second crushing knives (4) adjacent thereto in the horizontal direction; The plurality of magnetic sheets (23) are respectively arranged at one end of the plurality of first crushing knives (3) away from the first rotating shaft (2), the plurality of magnetic sheets (23) are respectively fixedly connected to the plurality of first crushing knives (3), the plurality of magnetic sheets (23) respectively match the shape of the corresponding first crushing knives (3), and the ends of the plurality of magnetic sheets (23) close to the plurality of third magnetic rings (7) are respectively magnetically opposite to the inner ring of the third magnetic ring (7).

2. A waste recycling device for thermoplastic processing according to claim 1, characterized in that: The driving assembly comprises a gear ring (20), a first gear (18), a second gear (19), and a motor (16); The gear ring (20) is arranged at the inner bottom of the first rotating shaft (2) and is fixedly connected to the first rotating shaft (2); the axis of the gear ring (20) coincides with the axis of the first rotating shaft (2); The first gear (18) is arranged inside the gear ring (20), the first gear (18) is fixedly connected to the second rotating shaft (17), and the axis of the first gear (18) coincides with the axis of the second rotating shaft (17); The motor (16) is arranged below the first rotating shaft (2) and is fixedly connected to the bracket (1). The motor (16) is electrically connected to the controller. The rotating shaft of the motor (16) is arranged upward, and the axis of the rotating shaft of the motor (16) is parallel to the axis of the first rotating shaft (2). The second gear (19) is arranged on the inner side of the gear ring (20) and is fixedly connected to the rotating shaft of the motor (16). The axis of the second gear (19) coincides with the axis of the motor (16). The second gear (19) is respectively meshed with the gear ring (20) and the first gear (18).

3. A waste recycling device for thermoplastic processing according to claim 1, characterized in that: The stirring assembly comprises a feed hopper (8), a first stirring shaft (9), and two first stirring blades (10); the feed hopper (8) is arranged on the top of the crushing barrel (22), the lower end of the feed hopper (8) is fixedly connected to the crushing barrel (22), the feed hopper (8) is communicated with the crushing barrel (22), and the upper end diameter of the feed hopper (8) is larger than the lower end diameter; The first stirring shaft (9) is vertically arranged in the feed hopper (8), and the lower end of the first stirring shaft (9) is fixedly connected to the second rotating shaft (17); The two first stirring blades (10) are respectively arranged in the feed hopper (8) and are respectively fixedly connected to the first stirring shaft (9). The two first stirring blades (10) are axially symmetrically distributed along the axis of the first stirring shaft (9).

4. A waste recycling device for thermoplastic processing according to claim 1, characterized in that The stirring assembly comprises a discharge hopper (12), a second stirring shaft (13), and two second stirring blades (14); the discharge hopper (12) is arranged at the bottom of the crushing barrel (22), the upper end of the discharge hopper (12) is fixedly connected to the crushing barrel (22), the discharge hopper (12) is communicated with the crushing barrel (22), and the diameter of the upper end of the discharge hopper (12) is larger than the diameter of the lower end thereof; The second stirring shaft (13) is vertically arranged in the discharge hopper (12), and the upper end of the second stirring shaft (13) is fixedly connected to the second rotating shaft (17); The two second stirring blades (14) are arranged in the discharge hopper (12) and are respectively fixedly connected to the second stirring shaft (13). The two second stirring blades (14) are axially symmetrically distributed along the axis of the second stirring shaft (13).

5. A waste recycling device for thermoplastic processing according to claim 2, characterized in that: The pulverizing assembly comprises a protective cover and a rotating shaft opening; the protective cover is arranged above the motor (16) and is fixedly connected to the bracket (1); the protective cover is conical, and the tip of the protective cover is arranged upward; The rotating shaft opening is arranged at the cone tip of the protective cover, and the rotating shaft opening is a through opening; the lower end of the first rotating shaft (2) passes through the rotating shaft opening, and the first rotating shaft (2) is rotatably connected to the rotating shaft opening via a bearing.

6. A waste recycling device for thermoplastic processing according to claim 4, characterized in that The crushing assembly comprises a plurality of first rollers; the plurality of first rollers are respectively arranged on the inner sides of the plurality of first magnetic rings (5), and the plurality of first rollers are respectively connected in a rolling manner to the plurality of first magnetic rings (5) and the plurality of first annular grooves.

7. A waste recycling device for thermoplastic processing according to claim 5, characterized in that The crushing assembly comprises a plurality of second rollers; the plurality of second rollers are respectively arranged on the outer side surfaces of the plurality of third magnetic rings (7); the plurality of second rollers are respectively connected in a rolling manner to the plurality of third magnetic rings (7) and the plurality of second annular grooves.

8. A waste recycling device for thermoplastic processing according to claim 3, characterized in that The stirring assembly comprises a first spiral blade (11); the first spiral blade (11) is arranged between the two first stirring blades (10) and the first rotating shaft (2); the first spiral blade (11) is fixedly connected to the first stirring shaft (9); the axis of the first spiral blade (11) coincides with the axis of the first stirring shaft (9); and a small gap exists between the first spiral blade (11) and the inner wall of the feed hopper (8).

9. A waste recycling device for thermoplastic processing according to claim 4, characterized in that The stirring assembly comprises a second spiral blade (15); the second spiral blade (15) is arranged below the two second stirring blades (14); the second spiral blade (15) is fixedly connected to the second stirring shaft (13); the axis of the second spiral blade (15) coincides with the axis of the second stirring shaft (13); and a small gap exists between the second spiral blade (15) and the inner wall of the discharge hopper (12).

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