Waste plastic recycling production equipment
Technical Field
The invention relates to the technical field of waste plastic recycling, in particular to waste plastic recycling production equipment.
Background
Waste plastics are generally referred to as plastic products which are discarded or recycled after use, including household plastic products (such as plastic bottles, plastic bags, food packaging and the like), industrial plastics (such as plastic parts, packaging materials and the like) and plastics in construction waste, and waste plastics recycling production is a process of converting the used plastic products into new plastic materials or products through various processing methods, which not only can reduce environmental pollution, but also can save resources and energy, and in the waste plastics recycling process, crushing is a key step, and the purpose of the waste plastics recycling production is to crush larger plastic products into smaller particles or fragments so as to prepare for subsequent cleaning, separation and melting granulation.
When the existing device is used for crushing waste plastics, the crushed plastics are crushed by only driving the crushing teeth arranged on the outer side of the crushing wheel, and when the crushing mode is used for treating thick-wall, tough or large-size plastics, the crushing effect is general, the limitation of a single crushing structure leads to that the size of the finally obtained plastics particles is usually larger and uneven, and when the tough plastics are, the plastics are stretched or torn instead of being uniformly crushed, the large-particle plastics particles influence the subsequent cleaning and reprocessing steps, and the quality of the regenerated plastics is reduced
And the single crushing mode lacks multistage crushing steps, namely coarse crushing and fine crushing, so that the plastic cannot achieve ideal crushing effect when passing through once, repeated operation is needed for many times, and the crushing time is prolonged.
Disclosure of Invention
The invention provides a waste plastic recycling production device, which solves the technical problems that the existing plastic crushing device only depends on crushing teeth on the outer side of a crushing wheel to carry out single-stage crushing, is difficult to effectively process thick-wall, tough or large-size plastic, causes poor crushing effect and uneven particle size, even causes stretching or tearing of the plastic, influences the quality of subsequent cleaning and reprocessing, lacks multiple stages of crushing steps of coarse crushing and fine crushing, needs repeated operation for multiple times and prolongs the crushing time.
The invention provides a waste plastic recycling production device, which comprises a support, wherein the upper end surface of the support is provided with a self-spreading fine crushing mechanism for finely cutting and crushing waste plastic, the lower part of the support is provided with a multi-step cleaning mechanism for reciprocally cleaning crushed waste plastic, a linkage part for connecting the self-spreading fine crushing mechanism with the multi-step cleaning mechanism in a transmission way is arranged between the self-spreading fine crushing mechanism and the multi-step cleaning mechanism, the automatic spreading type fine crushing mechanism comprises an installing box fixedly connected to the upper end face of a support and provided with an opening at the upper part, a primary crushing assembly arranged on the installing box and used for carrying out preliminary crushing on waste plastics, a door-shaped frame fixedly connected to the upper part of the installing box, a reciprocating electric telescopic rod fixedly connected to the lower end face of the transverse section of the door-shaped frame, a multistage combined type crushing assembly arranged on the reciprocating electric telescopic rod and used for further cutting waste plastics particles into pieces and crushing, a screen fixedly connected to the lower part of an inner cavity of the installing box, and a pushing assembly jointly arranged between the multistage combined type crushing assembly and the inner cavity of the installing box and used for automatically pushing the waste plastics to the position right below the multistage combined type crushing assembly so as to be convenient to crush, wherein the multistage combined type crushing assembly comprises a grid-shaped frame fixedly connected to the lower end of the reciprocating electric telescopic rod, a plurality of convex plates fixedly connected to the four corners of the grid-shaped frame respectively, sliding seats sleeved outside the convex plates, a top spring jointly fixedly connected between the sliding seats, and a rectangular installing frame jointly fixedly connected to the sliding seats on the lower end face of the convex plates, the grid-shaped cutters are fixedly connected to the inner side end face of the rectangular mounting frame, and the cross-shaped cutters are fixedly connected to the lower end face of the grid-shaped frame at equal intervals through fixing columns and correspond to the mesh positions of the grid-shaped cutters.
In a possible implementation mode, the pushing component comprises two groups of guide grooves which are symmetrically arranged on the front cavity wall and the rear cavity wall of the installation box, each guide groove consists of two sections of transverse groove sections in different horizontal directions and an inclined groove communicated between the two transverse groove sections, sliding columns are connected in the guide grooves in a sliding mode, a pushing plate is fixedly connected between the two sliding columns which are opposite in front and back through a connecting plate, pushing pieces for driving the pushing plate to transversely reciprocate are jointly arranged between the rectangular installation frame and the pushing plate so as to push waste plastics to the middle of the screen, and a limiting piece which is matched with the sliding columns to limit and prevent the pushing plate from deflecting in transverse movement is arranged in the inner cavity of the installation box.
In a possible implementation manner, the pushing part comprises two rotating shafts which are rotationally connected between the front cavity wall and the rear cavity wall of the mounting box in a bilateral symmetry mode, a connecting telescopic rod is fixedly connected to the outer portion of the rotating shaft, one end, far away from the rotating shaft, of the connecting telescopic rod is hinged to the upper portion of the pushing plate, a gear is fixedly connected to the outer portion of the rotating shaft, and a rack meshed with the gear is fixedly connected to one side, close to the gear, of the rectangular mounting frame through a connecting column.
In one possible implementation manner, the limiting piece comprises a plurality of sliding grooves which are formed in the front cavity wall and the rear cavity wall of the mounting box and located right below the guide grooves, sliding plates are connected in the sliding grooves in a sliding mode, and the sliding plates and the sliding columns are fixedly connected with the telescopic columns in a common mode.
In one possible implementation mode, the primary crushing assembly comprises two strip-shaped boxes which are fixedly connected on the upper end face of the mounting box through fixing rods in a bilateral symmetry mode, crushing rollers are rotationally connected between front cavity walls and rear cavity walls of the strip-shaped boxes in a bilateral symmetry mode, and a plurality of conveying pipes are communicated with the lower portions of the strip-shaped boxes in an equidistant mode.
In a possible implementation manner, the multi-step cleaning mechanism comprises a cleaning cylinder which is communicated with the lower part of the installation box and is positioned under the screen, an installation shaft is connected in the cleaning cylinder through a transverse plate in a rotating mode, rectangular boxes which are fixedly connected with a plurality of upper and lower openings are arranged on the circumference outer wall of the installation shaft at equal intervals through connecting columns, a plurality of rows of rectangular boxes are arranged along the axial direction of the installation shaft at equal intervals, a side cavity wall of an inner cavity of each rectangular box, which is close to the installation shaft, is fixedly connected with a first inclined plate, a second inclined plate, which is positioned under the first inclined plate, is fixedly connected with a second inclined plate, which is positioned under the first inclined plate, the upper end face of each second inclined plate is fixedly connected with a plurality of brush hair, the upper end and the lower end of each rectangular box are mutually communicated through connecting pipes, a hopper, which is fixedly connected with the rectangular boxes positioned on the upper part, is fixedly connected with an annular pipe, one side of each annular pipe, which is close to the installation shaft, is fixedly connected with an annular pipe, and one side of each annular pipe, which is positioned on the upper box, is far away from the installation shaft, is communicated with an annular pipe.
In one possible implementation manner, the linkage part comprises a transmission shaft which is connected to the cleaning cylinder in a penetrating and rotating manner, the transmission shaft is connected with the installation shaft in a transmission manner through a bevel gear set, the rear end of the transmission shaft is fixedly connected with a second gear, and the grid-shaped frame is fixedly connected with a second rack meshed with the second gear through a U-shaped frame.
In one possible implementation manner, the upper end surface of the support is fixedly connected with a filter screen disc through a bearing column and is positioned right below the cleaning cylinder, and a plurality of flow dividing sheets are fixedly connected to the circumference of the upper end surface of the filter screen disc at equal intervals.
From the above technical scheme, the invention has the following advantages:
According to the invention, the waste plastic particles are firstly chopped by the grid-shaped cutters in the multi-stage combined chopping assembly, then the cross-shaped cutters move downwards to the mesh positions of the grid-shaped cutters, and the second chopping mode is carried out, so that the waste plastic is coarsely crushed to finely crushed progressive crushing by the combined flow of the two chopping steps, repeated operation is not needed, the crushing time is shortened, the integral crushing efficiency is improved, meanwhile, the situation that the plastic with stronger toughness is stretched or torn in the crushing process can be effectively avoided by combining the grid-shaped cutters and the cross-shaped cutters, each piece of plastic is ensured to be cut more uniformly and orderly, the plastic particles are crushed uniformly to smaller and consistent sizes, the residue of large particles is avoided, and the quality of the regenerated plastic is improved.
According to the invention, through the combination of two different cutter structures of the grid-shaped cutters and the cross-shaped cutters, plastics with thick walls, strong toughness or larger size can be better processed during crushing processing, and the method is not only limited to the types of materials which are difficult to process by traditional equipment, but also improves the applicability and flexibility of waste plastics with different materials.
According to the invention, the waste plastics are automatically pushed to the middle part while being chopped by the combination of the multi-stage combined chopping assembly and the pushing assembly, the pushing assembly is utilized to automatically and evenly spread the plastics on the screen, the plastics particles are ensured to be positioned under the multi-stage chopping assembly, the plastics are prevented from being piled up or concentrated at a certain position, the evenly distributed plastics materials reduce dead angles which possibly occur in the chopping process, and the plastics of each part are ensured to be fully chopped, so that a more even chopping effect is realized, and the overall crushing quality is further improved.
According to the invention, in the process of driving the rectangular box to rotate reciprocally through the mounting shaft in the multi-step cleaning mechanism, waste plastic particles roll back and forth on the first inclined plate and the second inclined plate respectively, so that the waste plastic particles are cleaned reciprocally, and then the waste plastic particles sequentially penetrate through the rectangular box arranged in the axial direction from top to bottom to perform multi-stage cleaning.
According to the invention, the integrated processing treatment of crushing and cleaning of the waste particles is realized by combining the self-spreading fine crushing mechanism with the multi-step cleaning mechanism, so that the steps of conveying the crushed waste particles to cleaning equipment in the traditional process are reduced, the whole process is simplified, meanwhile, the transfer energy consumption of materials among different equipment is effectively reduced, the total energy consumption is reduced, the waste plastics immediately enter the cleaning process after being crushed, the pollutants and dust on the surfaces of the plastic particles can be rapidly removed, the risk of secondary pollution is reduced, and the purity and quality of the regenerated plastics are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a waste plastic recycling production device.
Fig. 2 is a schematic view of a rear view of an overall structure according to the present invention.
Fig. 3 is a schematic cross-sectional structure of a self-spreading fine pulverizing mechanism provided by the invention.
Fig. 4 is a schematic structural diagram of a multi-stage combined shredding assembly according to the present invention.
Fig. 5 is a schematic diagram of a mounting structure of a pushing assembly provided by the invention.
Fig. 6 is an enlarged schematic view of the structure of the portion a in fig. 5 according to the present invention.
Fig. 7 is a schematic diagram of a mounting structure of a pushing component according to the present invention.
Fig. 8 is a schematic view of a rear view perspective mounting structure of a multi-step cleaning mechanism according to the present invention.
FIG. 9 is a schematic diagram of the connection structure of the multi-step cleaning mechanism and the partially self-spreading fine pulverizing mechanism provided by the invention.
Fig. 10 is an enlarged schematic view of the structure of part B in fig. 9 according to the present invention.
Wherein the above figures include the following reference numerals:
1. The device comprises a support, a 2-self-spreading fine crushing mechanism, a 21-mounting box, a 22-primary crushing assembly, a 221-strip box, a 222-crushing roller, a 223-conveying pipe, a 23-gate-type frame, a 24-reciprocating electric telescopic rod, a 25-multistage combined crushing assembly, a 251-grid-type frame, a 252-convex plate, a 253-sliding seat, a 254-top spring, a 255-rectangular mounting frame, a 256-grid-type cutter, a 257-cross-shaped cutter, a 26-screen, a 27-pushing assembly, a 271-guiding groove, a 272, a sliding column, 273, a pushing plate, 274, a pushing piece, a 2741, a rotating shaft, a 2742, a connecting telescopic rod, a 2743, a first gear, a 2744, a first rack, a 275, a limiting piece, a 2751, a sliding groove, a 2752, a sliding plate, a 2753-connecting telescopic column, a 3-step cleaning mechanism, a 31-cleaning cylinder, a 32, a mounting shaft, a 33, a rectangular box, a 34, a first inclined plate, a 35, a second inclined plate, a 36, a head, a 37, a connecting pipe, a 38, a hopper, a 39, a rotating shaft, a 2742, a U-shaped gear, a 43, a 4-shaped transmission shaft, a 4, a split gear, a 4, a U-shaped transmission shaft, a 4-shaped bevel gear, a 43, a 4-shaped transmission shaft, a 4-shaped bevel gear, a 4-shaped transmission frame.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1 and 2, the invention provides a technical scheme that the waste plastic recycling production device comprises a support 1, wherein a self-spreading fine crushing mechanism 2 for finely dicing and crushing waste plastic is arranged on the upper end face of the support 1, a multi-step cleaning mechanism 3 for reciprocally cleaning crushed waste plastic is arranged on the lower portion of the support 1, and a linkage part 4 for connecting the self-spreading fine crushing mechanism 2 and the multi-step cleaning mechanism 3 in a transmission manner is arranged between the self-spreading fine crushing mechanism and the multi-step cleaning mechanism 3.
Referring to fig. 3, in this embodiment, the self-spreading fine crushing mechanism 2 includes a mounting box 21 fixedly connected to an upper end surface of the support 1 through a support and having an opening at an upper portion, a primary crushing assembly 22 disposed on the mounting box 21 for primarily crushing waste plastics, a door-shaped frame 23 fixedly connected to an upper portion of the mounting box 21, a reciprocating electric telescopic rod 24 fixedly connected to a lower end surface of a transverse section of the door-shaped frame 23, a multistage combined type crushing assembly 25 disposed on the reciprocating electric telescopic rod 24 for further crushing waste plastics particles, a screen 26 fixedly connected to a lower portion of an inner cavity of the mounting box 21, and a pushing assembly 27 commonly disposed between the multistage combined type crushing assembly 25 and the inner cavity of the mounting box 21 for automatically pushing the waste plastics particles to a position right below the multistage combined type crushing assembly 25 for crushing.
Referring to fig. 1,2 and 3, the primary crushing assembly 22 includes two bar boxes 221 symmetrically and fixedly connected to the upper end surface of the mounting box 21 by fixing rods, wherein the upper parts of the bar boxes 221 are opened, crushing rollers 222 are symmetrically and rotationally connected between front and rear cavity walls of the bar boxes 221, and a plurality of conveying pipes 223 are equidistantly communicated with the lower parts of the bar boxes 221.
Referring to fig. 3 and 4, the multi-stage combined type shredding assembly 25 comprises a grid-shaped frame 251 fixedly connected to the lower end of a reciprocating electric telescopic rod 24, a plurality of convex plates 252 fixedly connected to four corners of the outer portion of the grid-shaped frame 251, a sliding seat 253 slidably sleeved outside the convex plates 252, a top spring 254 fixedly connected between the convex plates 252 and the sliding seat 253 together, a rectangular mounting frame 255 fixedly connected to the lower end face of the sliding seat 253 together, a grid-shaped cutter 256 fixedly connected to the inner end face of the rectangular mounting frame 255, and a plurality of cross-shaped cutters 257 fixedly connected to the lower end face of the grid-shaped frame 251 at equal intervals through fixing columns and corresponding to the positions of meshes in the grid-shaped cutters 256.
Firstly, waste plastics are put into a strip-shaped box 221, then, the crushing roller 222 is driven to rotate by external driving equipment to perform preliminary crushing and blocking treatment on the waste plastics, the waste plastics after preliminary blocking fall into a conveying pipe 223, then fall onto a screen 26 along the conveying pipe 223, when the waste plastics are accumulated on the screen 26 to a certain amount, the crushing roller 222 is controlled to pause rotation, then, the reciprocating electric telescopic rod 24 is controlled to operate and shrink to drive the grid-shaped frame 251 to move upwards, the grid-shaped frame 251 is then driven to move upwards by a convex plate 252 and a sliding seat 253, the pushing component 27 is triggered to operate in the upward moving process of the rectangular mounting frame 255, and the waste plastics after preliminary crushing are evenly spread on the screen 26 by pushing the waste plastics to the middle of the screen 26 in the operation of the pushing component 27.
Then, the reciprocating electric telescopic rod 24 starts to extend, when the reciprocating electric telescopic rod 24 extends to move downwards against the rectangular mounting frame 255, the pushing component 27 is reversely triggered to move away from the position right below the rectangular mounting frame 255, the rectangular mounting frame 255 moves downwards to drive the grid-shaped cutters 256 to move downwards synchronously until the grid-shaped cutters 256 move downwards to abut against the screen 26, at the moment, the grid-shaped cutters 256 perform first step dicing on the waste plastic blocks, then the reciprocating electric telescopic rod 24 continues to extend to push the grid-shaped frames 251 to move downwards, the grid-shaped frames 251 then drive the cross-shaped cutters 257 to move downwards through the fixed columns, meanwhile drive the convex plates 252 to move downwards in the sliding seat 253, the cross-shaped cutters 257 move downwards to gradually enter holes of the grid-shaped cutters 256, and further dicing is performed on the waste plastic blocks which are cut by the grid-shaped cutters 256 and are located in the holes of the grid-shaped cutters, so that fine dicing and crushing of the waste plastic particles can be completed.
Then the reciprocating electric telescopic rod 24 starts to shrink again to drive the grid-shaped frame 251 to move upwards, the grid-shaped frame 251 drives the cross-shaped cutter 257 to gradually move upwards to move away from the grid-shaped cutter 256, then the rectangular mounting frame 255 is driven to move upwards, the rectangular mounting frame 255 drives the grid-shaped cutter 256 to move upwards, the chopped waste particles pass through the screen 26 to enter the multi-step cleaning mechanism 3, the rectangular mounting frame 255 moves upwards and simultaneously triggers the pushing component 27 to operate to push the waste plastics from two sides to the middle part again, the steps of fine crushing the waste plastics are repeated, and the crushing roller 222 is controlled to rotate again to primarily cut and convey the waste plastics onto the screen 26 while the grid-shaped cutter 256 and the cross-shaped cutter 257 are combined with each other to cut the waste plastics.
Referring to fig. 3, 5 and 7, in the present embodiment, the pushing assembly 27 includes two sets of guide grooves 271 symmetrically formed on the front and rear cavity walls of the mounting box 21, the guide grooves 271 are formed by two transverse groove sections in different horizontal directions and an inclined groove connected between the two transverse groove sections, sliding columns 272 are slidably connected in the guide grooves 271, a pushing plate 273 is fixedly connected between the two sliding columns 272 opposite front and rear through a connecting plate, pushing members 274 for driving the pushing plate 273 to reciprocate transversely so as to push waste plastics to the middle of the screen 26 are mounted between the rectangular mounting frame 255 and the pushing plate 273, and a limiting member 275 for cooperating with the sliding columns 272 to limit and prevent the pushing plate 273 from deflecting in the transverse movement is disposed in the inner cavity of the mounting box 21.
Referring to fig. 5, 6 and 7, the pushing member 274 includes two rotating shafts 2741 symmetrically and rotationally connected between front and rear cavity walls of the mounting box 21, a connecting telescopic rod 2742 is fixedly connected to the outer portion of the rotating shaft 2741, one end of the connecting telescopic rod 2742, which is far away from the rotating shaft 2741, is hinged to the upper portion of the pushing plate 273, a first gear 2743 is fixedly connected to the outer portion of the rotating shaft 2741, a first rack 2744 meshed with the first gear 2743 is fixedly connected to one side of the rectangular mounting frame 255, which is close to the first gear 2743, through a connecting column, the limiting member 275 includes a plurality of sliding grooves 2751 which are formed in the front and rear cavity walls of the mounting box 21 and are located under the guiding grooves 271, sliding plates 2752 are slidably connected in the sliding grooves 2751, and connecting telescopic columns 2753 are fixedly connected between the sliding plates 2752 and the sliding columns 272.
The initial position of the pushing plate 273 is the left and right parts of the upper part of the screen 26, waste plastics after preliminary dicing are conveyed to the screen 26, and when the rectangular mounting frame 255 is opened to move upwards, the rectangular mounting frame drives the first rack 2744 to move upwards synchronously, the first rack 2744 is meshed with the first gear 2743 and drives the first gear 2743 to rotate, the first gear 2743 then drives the rotating shaft 2741 to rotate, the rotating shaft 2741 then drives the connecting telescopic rod 2742 to rotate, the two connecting telescopic rods 2742 are made to swing mutually and approach, the connecting telescopic rod 2742 then drives the two pushing plates 273 to mutually approach and move, the sliding column 272 is driven to slide in the guide groove 271 in the process of moving the pushing plate 273, the pushing plate 273 firstly pushes the waste plastics to move towards the middle part of the screen 26, the sliding column 272 is gradually moved upwards when the sliding column 272 slides into the inclined groove 271, the first rack 2743 drives the first rack 2743 to move upwards gradually, a certain gap is formed between the pushing plate 273 and the screen 26, then the connecting telescopic rod 2742 drives the connecting telescopic rod 2742 to rotate, the two connecting telescopic rods 2742 are then driven to move towards the middle part of the screen 26, and the waste plastics can move towards the middle part of the screen 26 continuously by the sliding block 273 in the process of the guide groove 257, and the waste plastics can move towards the middle part of the screen 26 continuously.
In the process of moving down the rectangular mounting frame 255, the first rack 2744 is driven to move down synchronously and then engage with the first gear 2743 to drive the first gear 2743 to rotate reversely, the first gear 2743 then drives the rotating shaft 2741 to rotate, the rotating shaft 2741 then drives the connecting telescopic rods 2742 to rotate, so that the two connecting telescopic rods 2742 swing in opposite directions, and the connecting telescopic rods then drive the pushing plates 273 to move away from each other until the pushing plates 273 move to the initial positions.
The sliding column 272 slides in the guide groove 271 and drives the sliding plate 2752 to slide in the sliding groove 2751 through the connecting telescopic column 2753, and the sliding column 272 in the transverse movement is limited through the sliding plate 2752 and the connecting telescopic column 2753, so that the sliding column 272 can only move transversely, the sliding column 272 is prevented from rotating, and the situation that the pushing plate 273 is perpendicular to the screen 26 all the time in the moving process is ensured.
Referring to fig. 8, 9 and 10, in this embodiment, the multi-step cleaning mechanism 3 includes a cleaning drum 31 communicated under the mounting box 21 and located under the screen 26, a mounting shaft 32 is rotatably connected to the cleaning drum 31 through a transverse plate, a plurality of rectangular boxes 33 with upper and lower openings are fixedly connected to the circumferential outer wall of the mounting shaft 32 through connecting posts at equal intervals, a plurality of rows of rectangular boxes 33 are axially and equidistantly arranged along the mounting shaft 32, a first inclined plate 34 is fixedly connected to a side cavity wall of an inner cavity of the rectangular boxes 33 close to the mounting shaft 32, a second inclined plate 35 located under the first inclined plate 34 is fixedly connected to a side cavity wall of the rectangular boxes 33 far from the mounting shaft 32, a plurality of bristle heads 36 are fixedly connected to upper end surfaces of the second inclined plate 35 and the first inclined plate 34 at equal intervals, the upper and lower adjacent rectangular boxes 33 are mutually communicated through connecting pipes 37, the upper end of the installation shaft 32 is fixedly connected with a hopper 38 which is communicated with a rectangular box 33 positioned at the upper part and is positioned right below the screen 26, an annular pipe 39 is fixedly connected with the inner cavity of the cleaning cylinder 31, one side of the annular pipe 39 close to the installation shaft 32 is rotationally connected with an annular plate 310, a conveying pipe 311 is communicated with the rectangular box 33 positioned at the upper part, one end of the conveying pipe 311, which is far away from the installation shaft 32, penetrates through the annular plate 310 and is communicated with the inner cavity of the annular pipe 39, an injection pipe 312 which is communicated with the annular pipe 39 is fixedly connected with the cleaning cylinder 31, the first inclined plate 34 and the second inclined plate 35 are in inclined states which are close to one side of the installation shaft 32 and are low and far away from one side of the installation shaft 32, the upper end face of the support 1 is fixedly connected with a filter screen disk 5 through a bearing column, and the circumference of the upper end face of the filter screen disk 5 is fixedly connected with a plurality of flow dividing plates 6 at equal intervals.
Referring to fig. 2 and 8, the linkage part 4 includes a transmission shaft 41 penetrating through and rotatably connected to the cleaning drum 31, the transmission shaft 41 and the mounting shaft 32 are in transmission connection with each other through a bevel gear set 42, a second gear 43 is fixedly connected to the rear end of the transmission shaft 41, and a second rack 45 meshed with the second gear 43 is fixedly connected to the grid-shaped frame 251 through a U-shaped frame 44.
The finely chopped waste plastics pass through the screen 26 and then enter the collecting hopper 38, then enter the rectangular box 33 positioned at the upper part along the intrados of the collecting hopper 38, the waste plastics particles entering the rectangular box 33 positioned at the upper part are blocked by the inclined plate 34 at the upper part, then water is introduced into the injection pipe 312, then the water flows into the annular pipe 39 through the injection pipe 312, and then flows into the rectangular box 33 through the conveying pipe 311.
In the process of finely dicing and crushing the waste plastics, the grid-shaped frame 251 which reciprocates up and down drives the U-shaped frame 44 to synchronously move, the U-shaped frame 44 then drives the second rack 45 to reciprocate up and down, the second rack 45 then drives the second gear 43 to reciprocate, the second gear 43 then drives the transmission shaft 41 to reciprocate, the transmission shaft 41 then drives the mounting shaft 32 to reciprocate through the bevel gear set 42, and the mounting shaft 32 then drives the rectangular box 33 to reciprocate.
The centrifugal force generated in the rotation process of the rectangular box 33 causes the waste plastic particles to gradually move along the upper inclined surface of the first inclined plate 34 towards the direction away from the mounting shaft 32, the waste plastic particles are thrown and simultaneously the water introduced into the rectangular box 33 flows along the same path, the water flow and the waste plastic particles are contacted with the bristle heads 36 again in the surface moving process of the first inclined plate 34, the surface dirt of the waste plastic particles can be cleaned, the mounting shaft 32 stops rotating when the waste plastic particles are thrown to the gap between the first inclined plate 34 and the side cavity of the rectangular box 33, then the waste plastic particles and the water enter the second inclined plate 35 under the gravity force, then reversely move along the second inclined plate 35 towards the direction close to the mounting shaft 32, the waste plastic particles rub with the bristle heads 36 on the surface of the second inclined plate 35 when flowing on the surface of the second inclined plate 35, and the surface of the waste plastic particles is cleaned again.
Then the waste plastic particles fall into the connecting pipe 37 from the gap between the second inclined plate 35 and the rectangular box 33, and further enter the lower rectangular box 33, the waste plastic particles enter the first inclined plate 34 in the next rectangular box 33, then the mounting shaft 32 is driven to rotate reversely, the centrifugal force generated when the mounting shaft 32 rotates reversely causes the waste plastic particles to repeat the steps, namely, the waste plastic particles flow on the first inclined plate 34 in the next rectangular box 33 in a direction away from the mounting shaft 32, then move onto the second inclined plate 35, and move on the surface of the second inclined plate 35 in a direction close to the mounting shaft 32, so that the waste plastic particles can be cleaned in a reciprocating manner and simultaneously in multiple steps, and the surface cleaning of the waste plastic particles is more thorough.
The washed waste plastic particles are discharged from the rectangular box 33 at the lower part and fall onto the filter screen disc 5, the waste plastic particles can be uniformly distributed on the filter screen disc 5 by using the flow dividing sheets 6, and the washed sewage passes through the filter screen disc 5 and enters the lower part.
During operation, waste plastic particles are firstly input into the primary crushing assembly 22 for preliminary crushing, then the reciprocating electric telescopic rod 24 drives the multistage combined type crushing assembly 25 to operate, the multistage combined type crushing assembly 25 operates and simultaneously triggers the pushing assembly 27 to operate, the pushing assembly 27 is utilized to uniformly spread the waste plastic particles on the screen 26, then the multistage combined type crushing assembly 25 operates to further carry out multistage fine cutting and crushing treatment on the waste plastic particles, the finely crushed waste plastic particles pass through the screen 26 and enter the multistage cleaning mechanism 3, the self-spreading type fine crushing mechanism 2 operates and simultaneously drives the multistage cleaning mechanism 3 to operate through the linkage part 4, and the multistage cleaning mechanism 3 is utilized to carry out multistage reciprocating cleaning on the waste plastic particles.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and therefore, the present invention is not limited to the above-mentioned embodiments, and all equivalent changes according to the structure, shape and principle of the present invention should be covered in the scope of the present invention.