CN219686259U

CN219686259U - Waste plastic shredder

Info

Publication number: CN219686259U
Application number: CN202321036492.0U
Authority: CN
Inventors: 杨富; 刘雪莲; 平安; 范承瑞; 姚伟
Original assignee: Anyue Shangchuan Plastic Products Co ltd
Current assignee: Anyue Shangchuan Plastic Products Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-09-15
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses a waste plastic shredder, which belongs to the technical field of smashing equipment, wherein a plurality of groups of first rotating shafts, second rotating shafts and third rotating shafts are arranged in a smashing box from top to bottom, waste plastic can be treated step by step in a layered manner, the burden of each group of cutting teeth is reduced, meanwhile, the plastic is orderly cut and smashed from large to small, the mechanical failure caused by the fact that the plastic is clamped in the equipment is avoided, the failure rate of the equipment is effectively reduced, the layered smashing has the advantages that the smashing uniformity can be ensured, the effective plastic is prevented from being repeatedly smashed, meanwhile, two rotating shafts in the first rotating shafts, the second rotating shafts and the third rotating shafts in each group are independently provided with power, the rotating speeds of the two rotating shafts can be controlled, the aim of different rotating speeds is fulfilled, the plastic is conveniently cut by using staggered cutting teeth instead of being crushed in a mode that the cutting teeth are meshed with each other, and the cutting smashing efficiency is ensured.

Description

Waste plastic shredder

Technical Field

The utility model relates to the technical field of crushing equipment, in particular to a waste plastic shredder.

Background

The pulverizer is a machine for pulverizing a large-sized solid raw material to a desired size. The pulverizer consists of coarse pulverizing, fine pulverizing, wind power conveying and other devices, and the purpose of the pulverizer is achieved in a high-speed impact mode, and in the waste plastic recycling industry, the recycled plastic needs to be pulverized and reused.

In the prior art, publication No.: CN213766705U discloses a waste plastic shredder, the structure of which comprises a cleaning mechanism and a compression mechanism, wherein the cleaning mechanism is arranged at the bottom in the working box, purified water is added through a second one-way electromagnetic valve, a third one-way electromagnetic valve is closed after a cleaning agent is added, an ultrasonic transducer radiates ultrasonic waves into water, the compression mechanism is arranged at the top in the working box, waste plastic is placed into the working box through a feed inlet, a first hydraulic rod drives a first push plate to push the waste plastic rightwards, the waste plastic enters a compression groove, the waste plastic is extruded and formed, a second hydraulic rod drives a second push plate to move leftwards, the waste plastic block loses support and falls, the crushing effect is improved, and the adhesion of the waste plastic to a crushing roller is reduced.

According to the technical scheme, the driving motor drives the driving roller to rotate through the belt, then the driving roller drives the driven roller to rotate in a meshing mode, the rotation speeds of the driving roller and the driven roller are the same, due to the fact that shearing force of plastic in the meshing mode is insufficient, flexible plastic is easily attached to the surfaces of the driving roller and the driven roller, only one group of crushing rollers are arranged, the load of the driving motor is increased when waste plastic is crushed in a concentrated mode, and mechanical faults of equipment are easily caused.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a waste plastic shredder, includes smashes the case, smash the inner chamber of case from last to being provided with the multiunit respectively through bearing rotation in first rotation axis, second rotation axis and the third rotation axis of smashing the case inner chamber, the front of smashing the case is fixed with fixed box, the both sides of fixed box are fixed with the box, the surface of first rotation axis, second rotation axis and third rotation axis all is fixed with the cylinder, the fixed surface of cylinder has the cutting tooth, the cutting tooth is the staggered arrangement, the front of first rotation axis, second rotation axis and third rotation axis runs through to the inner chamber of fixed box, the top of box is fixed with driving motor, driving motor's output shaft is fixed with the loose axle that rotates in the box inner chamber through the bearing, the inner chamber of fixed box is provided with drive coupling assembling.

Preferably, the drive connection assembly comprises a first bevel gear fixed on the surface of the movable shaft, the inner cavity of the fixed box is sequentially connected with a worm through bearings in a rotating manner from top to bottom, one end of the worm penetrates through the inner cavity of the box body and is fixed with a second bevel gear meshed with the first bevel gear, and the front surfaces of the first rotating shaft, the second rotating shaft and the third rotating shaft are fixed with worm gears meshed with the worm.

Preferably, each set of the first, second and third rotating shafts includes two rotating shafts, and the number of the first, second and third rotating shafts increases from top to bottom in double.

Preferably, the inner cavity of the crushing box is sequentially fixed with guide blocks from top to bottom, the guide blocks are respectively positioned among each group of first rotating shafts, second rotating shafts and third rotating shafts, and the guide blocks extend downwards.

Preferably, a flexible resin plate is fixed at the bottom of the surface of the crushing box, and the bottom of the flexible resin plate is cut into strips.

Preferably, the roller radius of the first rotation shaft, the second rotation shaft and the third rotation shaft surface is sequentially increased, and the thickness of the cutting teeth is sequentially decreased from top to bottom.

Preferably, the top of smashing the case is fixed with fixed frame, the top of fixed frame is provided with the pneumatic cylinder, the piston rod of pneumatic cylinder runs through fixed frame and is fixed with the clamp plate, the clamp plate is laminated with the inner wall of smashing the case.

Preferably, a limiting block is fixed in the inner cavity of the crushing box and is positioned above the cutting teeth.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the waste plastics can be treated step by arranging the plurality of groups of the first rotating shafts, the second rotating shafts and the third rotating shafts from top to bottom in the crushing box, so that the burden of each group of cutting teeth is reduced, meanwhile, the plastics are sequentially crushed from large to small, the mechanical failure caused by the clamping of the plastics in the equipment is avoided, the failure rate of the equipment is effectively reduced, the layered crushing has the advantages of ensuring the crushing uniformity, avoiding the repeated crushing of the effective plastics, simultaneously, independently providing power for two rotating shafts in the first rotating shaft, the second rotating shaft and the third rotating shaft of each group, controlling the rotating speeds of the two rotating shafts, achieving the purpose of different rotating speeds, conveniently cutting the plastics by using staggered cutting teeth instead of crushing in a mode of mutually meshed cutting teeth, and ensuring the cutting and crushing efficiency.

2. According to the utility model, the quantity of the first rotating shaft, the second rotating shaft and the third rotating shaft is limited, so that plastic fragments crushed on the upper layer can be conveniently conveyed downwards and penetrate through the diversion block to be conveyed to the two sides, and meanwhile, the rotating shaft below the diversion block can drive the roller to rotate so as to cut plastic again by utilizing the cutting teeth.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional perspective view of the pulverizing box of the present utility model;

fig. 3 is a rear perspective view of the stationary box and the box body of the present utility model.

Reference numerals in the drawings: 1. a crushing box; 2. a first rotation shaft; 3. a second rotation shaft; 4. a third rotation shaft; 5. a fixed box; 6. a case; 7. a roller; 8. cutting teeth; 9. a driving motor; 10. a movable shaft; 11. a drive connection assembly; 111. a first helical gear; 112. a worm; 113. a second helical gear; 114. a worm wheel; 12. a flow guiding block; 13. a flexible resin plate; 14. a fixed frame; 15. a hydraulic cylinder; 16. a pressing plate; 17. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a waste plastic shredder shown in figures 1-3, which comprises a crushing box 1, wherein a plurality of groups of first rotating shafts 2, second rotating shafts 3 and third rotating shafts 4 which rotate in the inner cavity of the crushing box 1 through bearings are respectively arranged in the inner cavity of the crushing box 1 from top to bottom, a fixed box 5 is fixed on the front surface of the crushing box 1, two sides of the fixed box 5 are fixedly provided with a box body 6, the surfaces of the first rotating shafts 2, the second rotating shafts 3 and the third rotating shafts 4 are fixedly provided with rollers 7, the surfaces of the rollers 7 are fixedly provided with cutting teeth 8, the cutting teeth 8 are staggered, the front surfaces of the first rotating shafts 2, the second rotating shafts 3 and the third rotating shafts 4 penetrate into the inner cavity of the fixed box 5, a driving motor 9 is fixed on the top of the box body 6, a movable shaft 10 which rotates in the inner cavity of the box body 6 through bearings is fixed on the output shaft of the driving motor 9, and a driving connecting assembly 11 is arranged in the inner cavity of the fixed box 5;

through from last first rotation axis 2 of multiunit, second rotation axis 3 and third rotation axis 4 of setting down in smashing case 1, can the layering handle waste plastic step by step, alleviate the burden of every group cutting tooth 8, simultaneously smash plastics from big to little cutting in proper order, avoided the plastics card at the inside mechanical failure that leads to of equipment, the effectual fault rate of reduction equipment, the kibbling benefit of layering lies in can guaranteeing kibbling degree of consistency, avoid effective plastics to be repeatedly kibbling, simultaneously two rotation axes in every group's first rotation axis 2, second rotation axis 3 and the third rotation axis 4 provide power alone, can control the rotational speed of two rotation axes, reach the purpose of different rotational speeds, conveniently utilize the cutting tooth 8 of dislocation to cut plastics, and crush through the mode of cutting tooth 8 intermeshing, the kibbling efficiency of assurance cutting.

The drive connection assembly 11 comprises a first bevel gear 111 fixed on the surface of the movable shaft 10, the inner cavity of the fixed box 5 is sequentially connected with a worm 112 through bearings from top to bottom, one end of the worm 112 penetrates through the inner cavity of the box body 6 and is fixed with a second bevel gear 113 meshed with the first bevel gear 111, the front surfaces of the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4 are fixed with worm gears 114 meshed with the worm 112, the power of the driving motor 9 is conveyed to the worm 112 through the first bevel gear 111 and the second bevel gear 113 through movable rods, then the worm 112 drives the worm gears 114 to rotate, and the worm gears 114 drive the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4 respectively.

Each group of the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4 comprise two rotating shafts, the number of the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4 is increased from top to bottom in a double way, and through limiting the number of the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4, plastic fragments after being crushed on the upper layer are conveniently conveyed downwards to penetrate through to the diversion block 12 to be conveyed to two sides, and meanwhile, the rotating shafts below the rotating shafts can drive the roller 7 to rotate to cut the plastic again by using the cutting teeth 8.

The inner chamber of smashing case 1 is all fixed with water conservancy diversion piece 12 in proper order from last to down, water conservancy diversion piece 12 is located respectively between every group first rotation axis 2, second rotation axis 3 and the third rotation axis 4, water conservancy diversion piece 12 downwardly extending, through the setting of water conservancy diversion piece 12, conveniently carries out the water conservancy diversion to the plastics piece that falls, makes the plastics piece fall between the cylinder 7 of laminating each other, and guarantee cutting tooth 8 cuts the plastics piece again.

The bottom of smashing case 1 surface is fixed with flexible resin board 13, the bottom of flexible resin board 13 is tailor and is the strip, through the setting of flexible resin board 13, conveniently shelter from smashing the bottom of case 1, prevents that waste plastic from smashing the back oxygen dust fog.

The radii of the rollers 7 on the surfaces of the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4 are sequentially increased, the thickness of the cutting teeth 8 is sequentially decreased from top to bottom, the multi-layer rollers 7 are guaranteed to be filled with the crushing box 1 through the arrangement of the radius of the rollers 7, and waste plastics which are not crushed are prevented from falling down directly through gaps.

The top of smashing case 1 is fixed with fixed frame 14, the top of fixed frame 14 is provided with pneumatic cylinder 15, the piston rod of pneumatic cylinder 15 runs through fixed frame 14 and is fixed with clamp plate 16, clamp plate 16 is laminated with the inner wall of smashing case 1, drives clamp plate 16 through pneumatic cylinder 15 and moves down, can extrude the waste plastics at the top in smashing case 1 downwards, and guarantee cutting tooth 8 can cut waste plastics.

The inner cavity of the crushing box 1 is fixedly provided with a limiting block 17, the limiting block 17 is positioned above the cutting teeth 8, and the pressing plate 16 can be ensured not to contact the roller 7 and the cutting teeth 8 through the arrangement of the limiting block 17, so that the cutting teeth 8 and the pressing plate 16 are prevented from being damaged by collision.

When the plastic crushing machine is specifically used, a user adds waste plastics to be crushed into the crushing box 1, then starts driving motors 9 on two sides, then drives a movable shaft 10 to rotate by a forehead output shaft of each driving motor 9, drives a first bevel gear 111 to rotate by the movable shaft 10, drives a worm 112 on the upper layer and the lower layer to rotate by a second bevel gear 113, drives a first rotating shaft 2, a second rotating shaft 3 and a third rotating shaft 4 which are horizontally displaced to synchronously rotate by the worm 112, then drives a roller 7 and a cutting tooth 8 to rotate by the first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 4, then starts a hydraulic cylinder 15, drives a pressing plate 16 to downwardly move to extrude the waste plastics, so that the waste plastics form plastic strips under the cutting of a cutting tooth 8 on the top layer and are downwardly conveyed, then are conveyed to two sides by a guide block 12, and are cut by the cutting tooth 8 on the lower layer again, and the sizes of plastic fragments are gradually reduced, so that the waste plastics are uniformly crushed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A waste plastic shredder is characterized in that: including smashing case (1), the inner chamber of smashing case (1) is provided with multiunit from top to bottom respectively and rotates in first rotation axis (2), second rotation axis (3) and third rotation axis (4) of smashing case (1) inner chamber, the front of smashing case (1) is fixed with fixed box (5), the both sides of fixed box (5) are fixed with box (6), the surface of first rotation axis (2), second rotation axis (3) and third rotation axis (4) all is fixed with cylinder (7), the surface fixation of cylinder (7) has cutting tooth (8), cutting tooth (8) are the staggered arrangement, the front of first rotation axis (2), second rotation axis (3) and third rotation axis (4) runs through to the inner chamber of fixed box (5), the top of box (6) is fixed with driving motor (9), the output shaft of driving motor (9) is fixed with through the loose axle (10) of bearing rotation in box (6) inner chamber, the inner chamber of fixed box (5) is provided with drive coupling assembling (11).

2. The waste plastic shredder of claim 1, wherein: the drive connection assembly (11) comprises a first bevel gear (111) fixed on the surface of the movable shaft (10), a worm (112) is connected to the inner cavity of the fixed box (5) from top to bottom in sequence through bearings in a rotating mode, one end of the worm (112) penetrates through the inner cavity of the box body (6) and is fixed with a second bevel gear (113) meshed with the first bevel gear (111), and worm gears (114) meshed with the worm (112) are fixed on the front faces of the first rotating shaft (2), the second rotating shaft (3) and the third rotating shaft (4).

3. The waste plastic shredder of claim 2, wherein: each group of the first rotating shaft (2), the second rotating shaft (3) and the third rotating shaft (4) comprises two rotating shafts, and the number of the first rotating shaft (2), the second rotating shaft (3) and the third rotating shaft (4) increases from top to bottom in a double way.

4. A waste plastic shredder according to claim 3, wherein: the inner cavity of the crushing box (1) is sequentially fixed with guide blocks (12) from top to bottom, the guide blocks (12) are respectively positioned between each group of first rotating shafts (2), second rotating shafts (3) and third rotating shafts (4), and the guide blocks (12) extend downwards.

5. The waste plastic shredder of claim 4, wherein: the bottom of smashing case (1) surface is fixed with flexible resin board (13), the bottom of flexible resin board (13) is tailor and is the strip.

6. The waste plastic shredder of claim 5, wherein: the radii of the rollers (7) on the surfaces of the first rotating shaft (2), the second rotating shaft (3) and the third rotating shaft (4) are sequentially increased, and the thicknesses of the cutting teeth (8) are sequentially decreased from top to bottom.

7. The scrap plastic shredder of claim 6, wherein: the top of smashing case (1) is fixed with fixed frame (14), the top of fixed frame (14) is provided with pneumatic cylinder (15), the piston rod of pneumatic cylinder (15) runs through fixed frame (14) and is fixed with clamp plate (16), clamp plate (16) are laminated with the inner wall of smashing case (1).

8. The scrap plastic shredder of claim 7, wherein: a limiting block (17) is fixed in the inner cavity of the crushing box (1), and the limiting block (17) is located above the cutting teeth (8).