CN211194551U

CN211194551U - Plastic film recycling granulator

Info

Publication number: CN211194551U
Application number: CN201921786591.4U
Authority: CN
Inventors: 王超; 李淑慧; 王金芝
Original assignee: Qingdao Yunfeng Plastic Products Co ltd
Current assignee: Qingdao Yunfeng Plastic Products Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-07
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a plastic film recycling granulator, including frame and the storage bucket that is fixed in the frame, be provided with in the storage bucket and move sword and stationary knife, the frame is provided with the rotatory drive element of drive sword, the storage bucket lateral wall be provided with the discharge gate, the height of ejection of compact and the height phase-match of moving the sword, the screen cloth is installed to the discharge gate, the frame is provided with the feeding fan, the feeding fan includes air intake and air outlet, and the air intake communicates with the discharge gate, can carry out secondary recycle to plastic film, and the size difference of material is less under the screening effect of screen cloth to the material of discharging; and the height of the discharge port corresponds to that of the movable knife, and when the movable knife rotates and is close to the discharge port, the movable knife can take away materials at the discharge port, so that the blockage of the screen can be reduced.

Description

Plastic film recycling granulator

Technical Field

The utility model belongs to the technical field of film production facility technique and specifically relates to a granulator is retrieved to film is related to.

Background

In the plastic film processing industry, after a blow molding cylinder film is cut into sheet films, the scraps after trimming the film need to be crushed by a crusher, generally, the scraps after trimming the film enter a crushing chamber of the crusher through a pipeline to be crushed, and then are conveyed to an extruder middle layer, so that the scraps are recycled. For example, chinese patent publication No. CN2186648Y discloses a one-step plastic film recycling granulator, wherein a power shaft rotates to drive a moving blade and a friction blade to rotate together, the moving blade cooperates with a stationary blade to chop waste plastic fed from a feed inlet and lift dust therein, and then discharge the dust from the feed inlet and a dust discharge pipe, the friction blade drives the chopped plastic to rub against the inner wall of a charging barrel to generate heat, so as to raise the temperature of the lower part of the charging barrel, plasticize the chopped plastic film fragments into small particles, the plasticized small particles are ejected from a discharge outlet under the action of centrifugal force, and a baffle plate arranged below the moving blade pulls the crushed material moving to the periphery of the power shaft to throw the crushed material towards the inner wall of the charging barrel under the action of centrifugal force.

Above-mentioned patent need pack the material into the storage bucket at the in-process of granulation, and through the cutter unit spare in the storage bucket, through the cutting breakage of a period, form the granule, open the discharge gate ejection of compact again, because the material in the storage bucket is difficult to keep unanimous under cutter unit spare's effect size, the big or small difference of the discharged material of discharge gate is great.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a granulator is retrieved to plastic film makes its size difference of discharge gate exhaust material less.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a granulator is retrieved to plastic film, includes the frame and is fixed in the storage bucket of frame, is provided with in the storage bucket and moves sword and stationary knife, and the frame is provided with the drive and moves the rotatory drive element of sword, the storage bucket lateral wall be provided with the discharge gate, the height of discharge gate with move the high phase-match of sword, the screen cloth is installed to the discharge gate, the frame is provided with the pay-off fan, the pay-off fan includes air intake and air outlet, air intake and discharge gate intercommunication.

By adopting the technical scheme, the material is cut up under the shearing action of the movable cutter and the fixed cutter, the movable cutter moves at a high speed to enable the material to rub with the material and the barrel wall, so that the temperature of the material is raised, the material is in a semi-plasticized state, and then the material is quickly cut up to form particles through the matching of the movable cutter and the fixed cutter, the particles of the material gradually become smaller along with the prolonging of time, when the size of the material is consistent with the size of meshes on the screen mesh or is smaller than the size of the meshes, the material is sucked out by the feeding fan under the action of the feeding fan and is discharged from the plastic film recovery granulator, and the size difference of the discharged material is smaller under the screening action of the screen mesh; and the height of the discharge port corresponds to that of the movable knife, and when the movable knife rotates and is close to the discharge port, the movable knife can take away materials at the discharge port, so that the blockage of the screen can be reduced.

The utility model discloses further set up to: the feed outlet install the caulking groove, the screen cloth include rack and dictyosome, rack detachable installs in the caulking groove, and after the rack gomphosis arrived the caulking groove, the surface and the storage bucket wall of rack kept flushing.

By adopting the technical scheme, the net rack is detachably arranged on the cutting groove, and screens with different mesh sizes can be replaced according to the actual production requirements, so that the production of materials with different sizes and specifications is realized; the net rack is flush with the inner wall of the charging basket, so that the movement of the materials in the charging basket is smoother.

The utility model discloses further set up to: the frame is fixed with a discharge barrel, and the discharge barrel is communicated with an air outlet of the feeding fan.

Through adopting above-mentioned technical scheme, the material is sent into the feed cylinder back under the effect of feeding fan, and feeding fan still can be continuous to blowing in the play feed cylinder, can carry out the cooling that lasts like this to the material, at last discharge feed cylinder, the temperature after the material leaves a feed cylinder is lower, and the material makes difficult the caking in subsequent collection.

The utility model discloses further set up to, the bottom that goes out the feed cylinder is equipped with the bin outlet, and through the conveying line intercommunication between feeding fan and the play feed cylinder, the one end that the conveying line intercommunication goes out the feed cylinder is tangent with a play feed cylinder inside wall.

Through adopting above-mentioned technical scheme, the inside wall of conveying pipeline and play feed cylinder is tangent, and the material blows off from the tip of conveying pipeline under the effect of feeding fan, and the material that blows off can paste the inside wall of a feed cylinder and be spiral motion, makes the material dwell longer time in a feed cylinder, makes the material can be abundant with the inner wall contact of a feed cylinder, realize abundant cooling.

The utility model discloses further set up to: a rotatable cutter shaft is arranged in the center of the bottom of the charging basket and penetrates through the charging basket, a cutter disc is fixed at one end of the cutter shaft, which is positioned in the charging basket, and a plurality of groups of movable cutters are uniformly fixed on the cutter disc in a circumferential manner; the belt pulley is fixed at one end of the cutter shaft, which is positioned outside the charging barrel, and the driving element and the cutter shaft are driven by a belt.

By adopting the technical scheme, the driving element is the driving motor, and the driving motor drives the cutter head to rotate at a high speed through the belt, so that the movable cutter rotates at a high speed in the charging basket.

The utility model discloses further set up to, the storage bucket be provided with the bung, the bung is provided with the feed inlet of intercommunication storage bucket.

Through adopting above-mentioned technical scheme, the setting of storage bucket bung for increase the security, the material drops into to the storage bucket in through the feed inlet.

The utility model discloses further set up to, feed inlet department be provided with the feeder hopper, the open-ended of feeder hopper the central axis of perpendicular to storage bucket towards.

Through adopting above-mentioned technical scheme, the security that equipment used can be increased to the orientation of feeder hopper, and the material level gets into from the feeder hopper, and is vertical again to fall into to the storage bucket in, the staff can not directly get into to the storage bucket in.

The utility model discloses further set up to, the blade disc be provided with a plurality of circumference align to grid's stock guide, the stock guide sets up with the blade disc is perpendicular.

Through adopting above-mentioned technical scheme, when the stock guide was along with the blade disc synchronous revolution, the stock guide can drive the material synchronous revolution, and the material is under the effect of centrifugal force, to bucket wall one side motion to can be more with move sword, stationary knife contact, make move the sword can be abundant cut the material with the stationary knife.

To sum up, the utility model discloses a beneficial technological effect does: the materials are sucked out by the feeding fan and discharged from the plastic film recycling granulator, and the size difference of the discharged materials is small under the screening effect of the screen.

And the height of the discharge port corresponds to that of the movable knife, and when the movable knife rotates and is close to the discharge port, the movable knife can take away materials at the discharge port, so that the blockage of the screen can be reduced.

Drawings

FIG. 1 is a schematic structural view of the plastic film recycling granulator of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

reference numerals:

1. a frame; 2. a charging bucket; 21. a feed inlet; 22. a discharge port; 23. caulking grooves; 24. screening a screen; 25. a net body; 26. a barrel cover; 27. a feed hopper; 28. a net frame; 3. fixing a cutter; 4. moving a knife; 41. a cutter head; 42. a cutter shaft; 43. a material guide plate; 44. a belt pulley; 5. a drive motor; 6. a feeding fan; 61. an air inlet; 62. an air outlet; 63. a feed line; 7. and a discharging barrel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a plastic film retrieves granulator, including frame 1, frame 1 be provided with cylindric storage bucket 2, feeding fan 6 and go out feed cylinder 7.

The bottom of the charging basket 2 is provided with a base which is fixedly connected with the frame 1; the upper end of storage bucket 2 is provided with bung 26, and bung 26 central point puts and is provided with feed inlet 21, and bung 26 still is fixed with a feeder hopper 27, and feeder hopper 27 and feed inlet 21 intercommunication, the orientation of feeder hopper 27 and the central axis of perpendicular to storage bucket 2. A cutter shaft 42 penetrating through the bottom of the charging basket 2 is arranged in the center of the bottom of the charging basket 2, a belt pulley 44 is fixed at one end of the cutter shaft 42 extending out of the charging basket 7, a driving motor 5 is fixed on the frame 1, a belt pulley 44 is also fixed on a main shaft of the driving motor 5, the driving motor 5 and the cutter shaft 42 are in belt transmission, and the cutter 4 is driven to rotate by the rotation of the driving motor 5.

The upper surface of the cutter disc 41 is fixed with a plurality of moving blades 4 and a material guide plate 43 which are arranged along the circumferential direction of the cutter disc 41, the material guide plate 43 is vertically fixed on the upper surface of the cutter disc 41, and the material guide plate 43 has the function that when the cutter disc 41 rotates, the material guide plate 43 can drive the material to rotate, so that the material moves towards the barrel wall under the action of centrifugal force; the end of the moving blade 4 remote from the cutter disc 41 is close to the barrel wall but does not contact the barrel wall. The side wall of storage bucket 2 is arranged along circumference encircleing has a plurality of stationary knives 3, and move sword 4 along with the rotatory in-process of blade disc 41, can pass under stationary knife 3, make and produce shearing action between movable sword 4 and the stationary knife 3, the plastic film in storage bucket 2 is cut up through moving high-speed rotation, here, move sword 4 and blade disc 41 and constantly stir the material in storage bucket 2, make the looks mutual friction between the material, and also can the looks mutual friction between material and the bucket wall, thereby produce a large amount of heats, make the material temperature rise rapidly and reach half plastify state, form the granule under the cutting action of stationary knife 3 sword 4.

As shown in fig. 1 and 2, a discharge port 22 is formed in the side wall of the charging basket 2, and the position of the discharge port 22 is consistent with the position of the movable blade 4, that is, the movable blade 4 passes through the discharge port 22 during the rotation process; the discharge port 22 is provided with an embedded groove 23, a screen 24 is arranged in the embedded groove 23, the screen 24 comprises a net rack 28 and a net body 25, the shape of the net rack 28 is matched with that of the embedded groove 23, and when the embedded groove 23 is arranged at the discharge port 22, the surface of the embedded groove 23 is flush with the surface of the charging basket 2; the net rack 28 and the discharge port 22 can be fixed by countersunk screws (not shown in the figure), so that the net rack 28 can be replaced, and materials with corresponding specifications can be discharged according to actual requirements.

As shown in fig. 1, the feeding fan 6 is located at one side of the material barrel 2, the feeding fan 6 includes an air inlet 61 and an air outlet 62, the air inlet 61 of the feeding fan 6 is communicated with the material outlet 22 of the material barrel 2, and the air outlet 62 of the feeding fan 6 is communicated with the material outlet barrel 7. When the feeding fan 6 works, negative pressure is generated to suck materials in the charging basket 2 out of the discharging port 22, the screen 24 arranged at the discharging port 22 can ensure that materials with proper sizes are discharged, and materials with larger sizes are continuously cut and crushed in the charging basket 2, so that the size difference of the materials discharged at the discharging port 22 cannot be overlarge, and the production requirements are met; the material that the feeding fan 6 sent out enters into a play feed cylinder 7, because the feeding fan 6 constantly blows to going out in the feed cylinder 7, can cool off the material, goes out the difficult caking of feed cylinder 7 exhaust material like this.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a granulator is retrieved to plastic film, includes frame (1) and is fixed in storage bucket (2) of frame (1), is provided with in storage bucket (2) and moves sword (4) and stationary knife (3), and frame (1) is provided with the drive and moves the rotatory drive element of sword (4), its characterized in that: the feed bucket (2) lateral wall be provided with discharge gate (22), the height of discharge gate (22) and the high phase-match of moving sword (4), screen cloth (24) are installed in discharge gate (22), frame (1) is provided with feeding fan (6), feeding fan (6) include air intake (61) and air outlet (62), air intake (61) and discharge gate (22) intercommunication.

2. The plastic film recycling pelletizer of claim 1, wherein: discharge gate (22) install caulking groove (23), screen cloth (24) include rack (28) and dictyosome (25), rack (28) detachable installs in caulking groove (23), and behind rack (28) gomphosis to caulking groove (23), the surface and storage bucket (2) barrel wall of rack (28) keep flushing.

3. The plastic film recycling granulator according to claim 2, wherein a discharge cylinder (7) is fixed to the frame (1), and the discharge cylinder (7) is communicated with the air outlet (62) of the feeding fan (6).

4. The plastic film recycling granulator according to claim 3, wherein a discharge outlet is provided at the bottom of the discharge barrel (7), the feeding fan (6) is communicated with the discharge barrel (7) through a feeding pipe (63), and one end of the feeding pipe (63) communicated with the discharge barrel (7) is tangent to the inner side wall of the discharge barrel (7).

5. The plastic film recycling granulator according to claim 4, wherein a rotatable cutter shaft (42) is arranged at the center of the bottom of the charging basket (2), the cutter shaft (42) penetrates through the charging basket (2), a cutter head (41) is fixed at one end of the cutter shaft (42) positioned in the charging basket (2), and the movable cutters (4) are uniformly fixed on the cutter head (41) in groups at the circumference; a belt pulley (44) is fixed at one end of the cutter shaft (42) positioned outside the charging bucket (2), and the driving element and the cutter shaft (42) are in belt transmission.

6. A plastic film recycling granulator according to claim 5, characterized in that the charging basket (2) is provided with a basket cover (26), and the basket cover (26) is provided with a feed inlet (21) communicating with the charging basket (2).

7. A plastic film recycling granulator according to claim 6, characterized in that a feed hopper (27) is provided at said feed inlet (21), the opening of said feed hopper (27) being oriented perpendicular to the central axis of the feed barrel (2).

8. The plastic film recycling granulator according to claim 6, wherein the cutter head (41) is provided with a plurality of guide plates (43) which are uniformly arranged on the circumference, and the guide plates (43) are arranged perpendicular to the cutter head (41).