Automatic granulation processing system of plastics regeneration
Technical Field
The invention relates to the field of plastic regeneration granulation processing, in particular to an automatic granulation treatment system for plastic regeneration.
Background
The plastic regeneration refers to the plastic raw material obtained by processing and processing the waste plastics through physical or chemical methods such as pretreatment, melting granulation, modification and the like, and is the reutilization of the plastics, and the reutilization of the waste plastics can save resources, improve the utilization rate of materials, protect the environment and reduce the occupied area, so the development prospect is wide.
At present, the existing plastic has the following defects in granulation processing: 1. when the existing equipment is used for granulating plastic, molten impurities adhered to the surface of a cutting knife rest cannot be quickly cleaned, so that the impurities are easily accumulated on the surface of the cutting knife rest, the subsequent cutting effect of plastic granules is poor, the cutting is uneven, and the subsequent use of the cutting knife rest is influenced; 2. when existing equipment stirs plastics, the plastics of molten state easily adhere on the casing frame inner wall, can not effectually strike off plastics, and then cause the waste of plastics raw materials easily.
Disclosure of Invention
Technical problem to be solved
The plastic granulating device can solve the problems that when the existing device is used for granulating plastics, molten impurities adhered to the surface of the cutting knife rest cannot be quickly cleaned, so that the impurities are easily accumulated on the surface of the cutting knife rest, the subsequent cutting effect of plastic particles is poor, the cutting is not uniform, the subsequent use of the cutting knife rest is influenced, and when the existing device is used for stirring the plastics, the molten plastics are easily adhered to the inner wall of the shell frame, the plastics cannot be effectively scraped, so that the waste of plastic raw materials is easily caused, and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the automatic plastic regeneration granulation treatment system comprises a bottom plate, support frames and a granulation device, wherein the support frames are symmetrically arranged at the upper end of the bottom plate, the granulation device is arranged between the support frames, and the granulation device is positioned above the middle part of the bottom plate.
The granulating device comprises a shell frame, a rotating motor, a rotating shaft, a stirring mechanism, a feeding mechanism, a discharging die head and a granulating mechanism, wherein the shell frame is arranged between supporting frames and is of a cylindrical hollow structure, the upper end inside the shell frame is provided with a driving motor through a support, an output shaft of the driving motor is connected with the rotating shaft which is positioned inside the shell frame, the upper end of the rotating shaft is provided with the stirring mechanism, the feeding mechanism is arranged inside the shell frame and is positioned below the stirring mechanism, the middle part of the feeding mechanism is connected with the rotating shaft, the lower end of the shell frame is provided with the discharging die head, the discharging die head is evenly provided with a discharging hole, the lower end of the discharging die head is provided with the granulating mechanism, the granulating mechanism is connected with the rotating shaft, when the granulating device works, plastic melt in a molten state is, the stirring mechanism can prevent the plastic melt from being solidified and adhered on the inner wall of the shell frame, the rotating shaft can drive the feeding mechanism to extrude the molten plastic through the discharge hole, and the granulating mechanism can cut extruded plastic strips, so that the function of granulating the plastic can be realized.
The granulating mechanism comprises a rotating frame, a granulating unit, a cleaning plate, an annular plate and a convex block, wherein the rotating frame is uniformly installed at the lower end of the rotating shaft, the annular groove is formed in the lower end face of the discharging die head, the outer side of the rotating frame is connected with the annular groove in a sliding fit manner, a sliding groove is formed in the rotating frame, the granulating unit is connected in the sliding groove in a sliding fit manner, the cleaning plate is uniformly arranged in the sliding groove, the cleaning plate is tightly attached to the granulating unit, the annular plate is installed on the outer side of the discharging die head, the convex block is uniformly arranged on the inner side wall of the annular plate, when the rotating shaft drives the rotating frame to rotate, the granulating unit in the rotating frame can rapidly cut plastics extruded from the lower end of the discharging die head, when the granulating unit is in contact with the convex block, the convex block drives the granulating unit to slide back and forth in the rotating frame, and the surface of the granulating unit can be cleaned, prevent the plastic in the molten state from adhering to the surface of the granulating unit, and further effectively improve the working efficiency of the granulating unit.
As a preferred technical scheme of the invention, the stirring mechanism comprises stirring rods, a connecting frame, scraping plates, connecting rods and telescopic springs, the stirring rods are uniformly arranged on the rotating shaft along the circumferential direction of the rotating shaft, the connecting frame is arranged between the stirring rods positioned on the same side of the rotating shaft, round holes are uniformly formed in the connecting frame, the connecting rods are connected in the round holes in a sliding fit manner, the telescopic springs are arranged between the connecting rods and the connecting frame, the connecting frame is of an arc structure, the scraping plates are arranged on the concave surfaces of the connecting frame and are connected with the connecting rods, when the stirring mechanism works, a rotating motor drives the stirring rods to rotate through the rotating shaft, further molten plastics in the shell frame can be continuously stirred, the phenomenon that the molten plastics are solidified is prevented, the telescopic springs can drive the scraping plates to be always attached to the inner side wall of the shell frame, and further the scraping plates can scrape the, the waste of raw materials is reduced.
As a preferred technical scheme of the invention, the feeding mechanism comprises an annular frame, a rotating plate, a feeding unit and a pressurizing plate, wherein the annular frame is arranged at the lower end in the shell frame, the rotating plate is connected in the annular frame in a sliding fit manner, the middle part of the rotating plate is connected with the rotating shaft, through holes are uniformly formed in the rotating plate, the feeding unit is arranged in the through holes, the pressurizing plate is uniformly arranged at the lower end of the rotating plate, arc-shaped holes are uniformly formed in the pressurizing plate, during specific work, when molten plastic enters the shell frame, the molten plastic extrudes the feeding unit, the feeding unit is forced to move downwards to be separated from the through holes, the molten plastic further can enter the lower end of the rotating plate through the through holes, and the pressurizing plate can drive the molten plastic to be extruded through the discharge holes in.
As a preferred technical scheme of the invention, the feeding unit comprises a sealing plate, a rubber plug and a connecting spring, the sealing plate is arranged in the through hole, a trapezoidal groove is arranged in the sealing plate, the rubber plug is in sealing fit with the trapezoidal groove, the connecting spring is arranged between the lower end of the rubber plug and the through hole, when the feeding unit works specifically, when molten plastic enters the interior of the shell frame, the molten plastic extrudes the rubber plug to separate the rubber plug from the sealing plate, and the molten plastic can further enter the lower end of the rotating plate.
As a preferred technical scheme, the granulating unit comprises a cutting knife rest, a sliding rod, a reset spring and a roller wheel, the cutting knife rest is connected in a sliding fit mode in a sliding groove, the sliding rod is installed on the outer side of the cutting knife rest and is connected with a rotating frame in a sliding fit mode, the reset spring is arranged on the sliding rod, the roller wheel is installed on the outer side of the sliding rod and is matched with a convex block, when the rotating frame works specifically, when the rotating frame rotates, the rotating frame drives the cutting knife rest to rapidly cut extruded plastics, when the roller wheel is in contact with the convex block, the convex block drives the cutting knife rest to move inwards through the sliding rod, and the cleaning plate can further clean the surface of the cutting knife rest.
As a preferred technical scheme, the cleaning plate comprises a mounting frame, a cleaning plate and a compression spring, the mounting frame is mounted inside the rotating frame, the mounting frame is of an arc-shaped structure, the cleaning plate is arranged on the outer side surface of the mounting frame, the compression spring is mounted between the cleaning plate and the mounting frame, the cleaning plate is made of sponge materials, and when the rotary cutter is in specific work, the compression spring can drive the cleaning plate to be always attached to the surface of the cutting knife rest, so that impurities adhered to the surface of the cutting knife rest can be effectively and quickly cleaned.
As a preferred technical scheme of the invention, the scraper is of an arc structure, rubber strips are uniformly arranged on the outer side surface of the scraper, and the rubber strips are tightly attached to the inner side wall of the shell frame.
(III) advantageous effects
1. According to the automatic plastic regeneration granulation treatment system provided by the invention, the stirring mechanism can effectively stir the molten plastic, the stirring effect is good, meanwhile, the plastic adhered to the inner wall of the shell frame can be scraped, the plastic is prevented from being adhered to the shell frame after being dried, and meanwhile, the waste of plastic raw materials can be reduced;
2. according to the automatic plastic regeneration granulation treatment system provided by the invention, the granulation mechanism can effectively and quickly cut extruded plastic, the cutting effect is good, the efficiency is high, meanwhile, the surface of the cutting knife rest after cutting can be quickly cleaned, the molten plastic is prevented from being adhered to the cutting knife rest, and the use of the cutting knife rest is facilitated.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of the housing frame, the rotating motor, the rotating shaft, the stirring mechanism and the feeding mechanism of the present invention;
FIG. 3 is a schematic view of the rotary shaft, discharge die and pelletizing mechanism of the present invention;
FIG. 4 is a schematic cross-sectional view of the rotary turret and pelletizing unit of the present invention;
FIG. 5 is a schematic cross-sectional view of the turret, cutting blade carrier and cleaning frame of the present invention;
FIG. 6 is a schematic cross-sectional view of the rotating frame and the cleaning frame according to the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, an automatic granulation treatment system for plastic regeneration comprises a bottom plate 1, support frames 2 and a granulation device 3, wherein the support frames 2 are symmetrically installed at the upper end of the bottom plate 1, the granulation device 3 is installed between the support frames 2, and the granulation device 3 is located above the middle part of the bottom plate 1.
The granulating device 3 comprises a shell frame 31, a rotating motor 32, a rotating shaft 33, a stirring mechanism 34, a feeding mechanism 35, a discharging die head 36 and a granulating mechanism 37, wherein the shell frame 31 is arranged between the supporting frames 2, the shell frame 31 is of a cylindrical hollow structure, the upper end inside the shell frame 31 is provided with a driving motor through a support, an output shaft of the driving motor is connected with the rotating shaft 33, the rotating shaft 33 is positioned inside the shell frame 31, the stirring mechanism 34 is arranged at the upper end of the rotating shaft 33, the feeding mechanism 35 is arranged inside the shell frame 31, the feeding mechanism 35 is positioned below the stirring mechanism 34, the middle part of the feeding mechanism 35 is connected with the rotating shaft 33, the discharging die head 36 is arranged at the lower end of the shell frame 31, discharge holes are uniformly formed in the discharging die head 36, the granulating mechanism 37 is arranged at the lower end of the discharging die head 36, the granulating mechanism 37 is connected with the rotating shaft, the rotating motor 32 drives the stirring mechanism 34 to rotate through the rotating shaft 33, the stirring mechanism 34 can prevent plastic melt from being solidified and adhered to the inner wall of the shell frame 31, meanwhile, the rotating shaft 33 can drive the feeding mechanism 35 to extrude molten plastic through the discharge hole, the granulating mechanism 37 can cut extruded plastic strips, and then the function of granulating and processing the plastic can be realized.
The granulating mechanism 37 comprises a rotating frame 371, a granulating unit 372, a cleaning plate 373, an annular plate 374 and a convex block 375, the rotating frame 371 is uniformly installed at the lower end of the rotating shaft 33, an annular groove is formed in the lower end face of the discharging die head 36, the outer side of the rotating frame 371 is connected with the annular groove in a sliding fit mode, a sliding groove is formed in the rotating frame 371, the granulating unit 372 is connected in the sliding groove in a sliding fit mode, the cleaning plate 373 is uniformly arranged in the sliding groove, the cleaning plate 373 is tightly attached to the granulating unit 372, the annular plate 374 is installed at the outer side of the discharging die head 36, the convex block 375 is uniformly arranged on the inner side wall of the annular plate 374, when the rotating shaft 33 drives the rotating frame 371 to rotate, the granulating unit 372 in the rotating frame 371 can rapidly cut plastics extruded from the lower end of the discharging die head 36, when the granulating unit 372 is in contact with the convex block 375, protruding piece 375 drives granulation unit 372 and makes a round trip to slide in that rotating turret 371 is inside, and clearance board 373 and then can clear up the surface of granulation unit 372 and wipe, prevents that the plastics adhesion of molten state from on granulation unit 372 surface, and then can effectual improvement granulation unit 372's work efficiency.
The stirring mechanism 34 comprises stirring rods 341, a connecting frame 342, scrapers 343, a connecting rod 344 and a telescopic spring 345, the stirring rods 341 are uniformly arranged on the rotating shaft 33 along the circumferential direction, the connecting frame 342 is arranged between the stirring rods 341 on the same side of the rotating shaft 33, round holes are uniformly arranged on the connecting frame 342, the connecting rod 344 is connected in the round holes in a sliding fit manner, the telescopic spring 345 is arranged between the connecting rod 344 and the connecting frame 342, the connecting frame 342 is of an arc-shaped structure, the scrapers 343 are arranged on the concave surface of the connecting frame 342, the scrapers 343 are connected with the connecting rod 344, during specific work, the rotating motor 32 drives the stirring rods 341 to rotate through the rotating shaft 33, thereby continuously stirring the molten plastic in the shell frame 31 and preventing the molten plastic from being solidified, the telescopic spring 345 can drive the scrapers 343 to be tightly attached to the inner side wall of the shell, the scraper 343 can further scrape off the plastic adhered to the inner side wall of the housing frame 31, and waste of raw materials is reduced.
The feeding mechanism 35 comprises an annular frame 351, a rotating plate 352, a feeding unit 353 and a pressurizing plate 354, wherein the annular frame 351 is installed at the lower end inside the shell frame 31, the rotating plate 352 is connected inside the annular frame 351 in a sliding fit mode, the middle of the rotating plate 352 is connected with the rotating shaft 33, through holes are uniformly formed in the rotating plate 352, the feeding unit 353 is installed in the through holes, the pressurizing plate 354 is uniformly installed at the lower end of the rotating plate 352, arc-shaped holes are uniformly formed in the pressurizing plate 354, during specific work, when molten plastic enters the shell frame 31, the molten plastic extrudes the feeding unit 353, the feeding unit 353 moves downwards under the stress to be separated from the through holes, the molten plastic can further enter the lower end of the rotating plate 352 through the through holes, and the pressurizing plate 354 can drive the molten plastic to be extruded through the discharge holes in.
Feed unit 353 include sealing plate 3531, rubber buffer 3532 and connecting spring 3533, through-hole internally mounted have sealing plate 3531, the inside dovetail groove that is provided with of sealing plate 3531, be provided with rubber buffer 3532 in the sealing plate 3531, rubber buffer 3532 and the sealed cooperation of dovetail groove, install connecting spring 3533 between rubber buffer 3532 lower extreme and the through-hole, during concrete work, when molten plastic gets into inside of housing frame 31, molten plastic extrusion rubber buffer 3532 for rubber buffer 3532 and sealing plate 3531 phase separation, molten plastic and then can get into rotor plate 352 lower extreme.
Granulation unit 372 include cutting knife rest 3721, sliding bar 3722, reset spring 3723 and gyro wheel 3724, the sliding tray in be connected with cutting knife rest 3721 through sliding fit's mode, sliding bar 3722 is installed to cutting knife rest 3721 outside, sliding bar 3722 is connected with swivel mount 371 through sliding fit's mode, be provided with reset spring 3723 on the sliding bar 3722, gyro wheel 3724 is installed to the sliding bar 3722 outside, gyro wheel 3724 cooperatees with protruding piece 375, in concrete work, when swivel mount 371 rotates, swivel mount 371 drives cutting knife rest 3721 and carries out the fly-cutting to the plastics of extruding, when gyro wheel 3724 contacts with protruding piece 375, protruding piece 375 drives cutting knife rest 3721 inward motion through sliding bar 3722, clearance board 373 and then can clear up cutting knife rest 3721 surface.
Clearance board 373 include mounting bracket 3731, clearance board 3732 and compression spring 3733, rotating turret 371 internally mounted have mounting bracket 3731, mounting bracket 3731 is the arc structure, be provided with clearance board 3732 on the mounting bracket 3731 lateral surface, install compression spring 3733 between clearance board 3732 and the mounting bracket 3731, clearance board 3732 is made for sponge material, specific during operation, compression spring 3733 can drive clearance board 3732 and hug closely with cutting knife rest 3721 surface all the time, and then can effectually carry out quick clearance to the impurity of cutting knife rest 3721 surface adhesion.
The scraper 343 is the arc structure, evenly is provided with the rubber strip on the scraper 343 lateral surface, the rubber strip is hugged closely with the casing frame 31 inside wall.
The invention comprises the following steps:
the first step is as follows: injecting molten plastic into the housing frame 31 manually;
the second step is that: the rotating motor 32 is started, the rotating motor 32 drives the stirring mechanism 34 to rotate through the rotating shaft 33, the stirring mechanism 34 can prevent the plastic melt from solidifying and adhering to the inner wall of the shell frame 31, and meanwhile, the rotating shaft 33 can drive the feeding mechanism 35 to extrude the molten plastic through the discharge hole in the discharge die head 36;
the third step: after the molten plastic is extruded, the rotating shaft 33 drives the rotating rack 371 to rotate, and the granulating unit 372 inside the rotating rack 371 can rapidly cut the plastic extruded from the lower end of the discharging die head 36;
the fourth step: when granulation unit 372 and protruding piece 375 contact, protruding piece 375 drives granulation unit 372 and makes a round trip to slide in rotating turret 371 inside, and clearance board 373 and then can clear up and wipe granulation unit 372 surface, prevents that molten state's plastics adhesion from on granulation unit 372 surface, and then can effectual improvement granulation unit 372's work efficiency.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.