CN210705483U

CN210705483U - Single-screw three-spiral-structure extrusion device for plastic recycling and granulating

Info

Publication number: CN210705483U
Application number: CN201921503797.1U
Authority: CN
Inventors: 苏伟; 张润涵; 苏建东; 苏建设
Original assignee: Jieshou Yaxin Plastic Technology Co Ltd
Current assignee: Jieshou Yaxin Plastic Technology Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-09
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a three helical structure extrusion device of single screw rod for granulation are retrieved to plastics, including the outer cover body, two bearing frames are installed to outer cover body inner chamber bottom, install the roof on the bearing frame, and two roof fixed mounting are in the extrusion cylinder both ends, and extrusion cylinder top through connection has into the hopper, goes into the hopper inner chamber and rotates the broken pole that has the level to set up. The utility model discloses a driving motor drive extrusion pole and broken pole rotate simultaneously, carry out broken handle to plastics when satisfying plastics and extrude, solve the technical problem that extrusion device power loss is big among the prior art, carry out secondary broken handle to plastics through helical fin, positive thread and the anti-thread of spiraling on the helical fin are extruded towards the die hole direction to the plastics after the breakage of extrusion cylinder inner chamber simultaneously, the plastics of extrusion device extrusion are inhomogeneous among the solution prior art, extrude the technical problem that efficiency is not high.

Description

Single-screw three-spiral-structure extrusion device for plastic recycling and granulating

Technical Field

The utility model relates to a plastics extrude technical field, concretely relates to three helical structure extrusion device of single screw rod for granulation are retrieved to plastics.

Background

With the increasing consumption of plastic products, the number of waste plastics is increasing year by year. Part of the waste plastics can be recycled and granulated for production again, so that the waste plastics are fully utilized, and the problem of environmental pollution caused by burning or landfill of the waste plastics is solved. Before the waste plastics are reused, the waste plastics need to be put into an extrusion device for extrusion.

Patent document (201710651345.7) discloses a plastic extruder, which is provided with a screen in a hopper, can remove impurities and raw materials which are not stirred up, and the like, ensures the quality of extruded materials, simultaneously protects equipment such as extrusion screws, barrels, and the like, prolongs the service life of the plastic extruder, is provided with heating devices on the outer wall of the hopper and the outer wall of the barrel, can effectively ensure the temperature of materials in the whole processing process, and improves the working efficiency. However, the extruder needs two motors to drive when crushing and extruding, the power loss is large, meanwhile, the plastics extruded by the extruding screw arranged on the extruder cannot be uniformly mixed, and the extruded plastics are not collected by the corresponding material receiving disc, so that the extruder is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three helical structure extrusion device of single screw rod for granulation are retrieved to plastics solves following technical problem: (1) the extrusion rod and the crushing rod are driven to rotate simultaneously by the independent driving motor, so that the plastic extrusion is met and the plastic is crushed, and the technical problem of large power loss of the extrusion device in the prior art is solved; (2) the plastic is crushed for the second time through the spiral fins, and the crushed plastic in the inner cavity of the extruding cylinder is extruded towards the direction of the die hole by the positive-rotation threads and the negative-rotation threads on the spiral fins, so that the technical problems of non-uniform extrusion and low extrusion efficiency of the extruding device in the prior art are solved; (3) through the setting that driving motor drove the cutting blade rotation through extruding the pole, through setting up the material receiving box of outer cover body inner chamber slidable, solve prior art extrusion device and be difficult for collecting, take out the technical problem who extrudes plastics.

The purpose of the utility model can be realized by the following technical scheme:

a single-screw three-spiral-structure extrusion device for plastic recycling and granulation comprises an outer cover body, wherein two bearing seats are arranged at the bottom of an inner cavity of the outer cover body, top plates are arranged on the bearing seats, the two top plates are fixedly arranged at two ends of an extrusion cylinder, a feeding hopper is connected to the top of the extrusion cylinder in a penetrating manner, and a horizontally-arranged crushing rod rotates in the inner cavity of the feeding hopper;

the utility model discloses a cutting device, including the outer cover body, the outer cover body has a top plate, a motor fixed plate is installed through the bolt to outer cover body one side, be fixed with driving motor on the motor fixed plate, the driving motor output shaft runs through outer cover body one side fixedly connected with extrusion pole, the extrusion pole is kept away from the fixed cover of driving motor side end and is connect the rod cover, rod cover fixed surface installs two cutting blades, the cutting blade below is provided with material receiving box, material receiving box slides and sets up in outer cover body inner chamber bottom, one side two demolding holes have been seted up on.

Furthermore, two guide plates are symmetrically arranged on the inner wall of the feeding hopper and are arranged below the crushing rod.

Furthermore, a material taking opening is formed in one side of the outer cover body, and the material receiving box penetrates through the inner wall of the material taking opening in a sliding mode.

Furthermore, spiral fins are installed on the outer peripheral surface of the extrusion rod, and positive-rotation threads and negative-rotation threads are installed on the outer peripheral surface of each spiral fin in a staggered mode.

Furthermore, the crushing rod penetrates through one end of the outer wall of the feeding hopper and is fixedly sleeved with a chain wheel, the chain wheel is fixedly sleeved with the crushing rod, the chain wheel is fixedly sleeved on the outer peripheral surface of the output shaft of the driving motor, and the two chain wheels are connected through chain transmission.

The utility model has the advantages that:

the utility model discloses a three helical structure extrusion device of single screw rod for plastic recycling granulation, it rotates to drive the sprocket through the rotation of driving motor output shaft, two sprockets cooperate the chain rotation and then drive the crushing pole to rotate, put waste plastic into the hopper, the preliminary broken treatment is carried out to waste plastic to the crushing pole of pivoted, this extrusion device effectively carries out the breakage with the setting of crushing pole, good preliminary treatment has been carried out for follow-up extrusion process, carry out the breakage with the plastics simultaneously, effectively prevent to appear the dead condition of extrusion pole card in the extrusion process, the plastics after the breakage gets into the extrusion cylinder inner chamber through the guide of deflector, through the setting of deflector, the plastics after the help breakage can get into the extrusion cylinder completely, effectively prevent the dead condition of crushing pole card that remains in the hopper and cause when plastics are broken, driving motor output shaft drives the extrusion pole to rotate, the extrusion rod drives the spiral fin on the outer peripheral surface to rotate, the spiral fin carries out secondary crushing treatment on the plastic, meanwhile, the forward thread and the reverse thread on the spiral fin extrude the crushed plastic in the inner cavity of the extrusion cylinder towards the die hole, the efficiency of extruding the plastic is greatly improved through the three-spiral structure arrangement of the spiral fin, the forward thread and the reverse thread, simultaneously, the plastic is crushed more uniformly and is convenient to extrude through the die hole, the extrusion rod drives the cutting blade on the outer peripheral surface to rotate, the cutting blade cuts the plastic extruded from the die hole, the driving motor drives the cutting blade to rotate through the extrusion rod, the extruded plastic is effectively prevented from being overlong in length and is not easy to collect in the material receiving box, the cut plastic falls into the material receiving box, the material receiving box is taken out from the material taking port and can slide through the material receiving box arranged in the inner cavity of the outer cover body, the collection of plastics after being convenient for extrude the completion also makes things convenient for taking out of plastics, and this extrusion device drives extrusion pole and broken pole through solitary driving motor and rotates simultaneously, carries out broken handle to plastics when satisfying plastics and extrude, when improving plastics extrusion efficiency, has certain economic nature.

Drawings

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

FIG. 1 is a schematic structural view of a single-screw triple-helix extrusion device for plastic recycling and granulation of the present invention;

FIG. 2 is an internal structure view of the feeding hopper of the present invention;

FIG. 3 is the internal structure view of the outer cover of the present invention;

fig. 4 is an internal structure view of the extruding cylinder of the present invention.

In the figure: 1. an outer cover body; 2. a bearing seat; 3. a top plate; 31. discharging the die hole; 4. feeding into a hopper; 41. a breaking bar; 42. a guide plate; 5. an extrusion cylinder; 6. an extrusion stem; 61. positively-rotated threads; 62. a helical fin; 63. reversely rotating the threads; 7. a rod sleeve; 71. a cutting insert; 8. a material receiving box; 9. a drive motor; 91. a motor fixing plate; 10. and (6) taking the material port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model relates to a single-screw three-helix extrusion device for plastic recycling granulation, which comprises an outer cover body 1, wherein two bearing seats 2 are arranged at the bottom of the inner cavity of the outer cover body 1, top plates 3 are arranged on the bearing seats 2, the two top plates 3 are fixedly arranged at two ends of an extrusion cylinder 5, the top of the extrusion cylinder 5 is connected with a feeding hopper 4 in a penetrating way, and a horizontally arranged crushing rod 41 is arranged in the inner cavity of the feeding hopper 4 in a rotating way;

the motor fixing plate 91 is installed through the bolt in the outer cover body 1 one side, be fixed with driving motor 9 on the motor fixing plate 91, driving motor 9 output shaft runs through outer cover body 1 one side fixedly connected with extrusion pole 6, extrusion pole 6 is kept away from driving motor 9 one side end fixing and has been cup jointed pole cover 7, pole cover 7 fixed surface installs two cutting blades 71, cutting blade 71 below is provided with material receiving box 8, material receiving box 8 slides and sets up in the 1 inner chamber bottom of the outer cover body, two demolding holes 31 have been seted up on one side roof 3 surface.

Specifically, two guide plates 42 are symmetrically installed on the inner wall of the feeding hopper 4, and the guide plates 42 are arranged below the crushing rod 41. A material taking opening 10 is formed in one side of the outer cover body 1, and the material receiving box 8 penetrates through the inner wall of the material taking opening 10 in a sliding mode. The extrusion rod 6 is provided with a spiral fin 62 on the outer peripheral surface thereof, and a forward screw 61 and a reverse screw 63 are alternately provided on the outer peripheral surface of the spiral fin 62. The crushing rod 41 penetrates through one end of the outer wall of the feeding hopper 4 and is fixedly sleeved with a chain wheel, the chain wheel is fixedly sleeved, the outer peripheral surface of an output shaft of the driving motor 9 is fixedly sleeved with a chain wheel, and the two chain wheels are connected through chain transmission.

Referring to fig. 1-4, the operation of the single-screw triple-helix extrusion device for plastic recycling and granulation of the present embodiment is as follows:

the driving motor 9 is turned on, the output shaft of the driving motor 9 rotates to drive the chain wheels to rotate, the two chain wheels are matched with the chain to rotate to drive the crushing rod 41 to rotate, waste plastics are put into the feeding hopper 4, the waste plastics are subjected to primary crushing treatment by the rotating crushing rod 41, the crushed plastics enter the inner cavity of the extruding barrel 5 through the guide of the guide plate 42, the output shaft of the driving motor 9 drives the extruding rod 6 to rotate, the extruding rod 6 drives the spiral fins 62 on the outer peripheral surface to rotate, the spiral fins 62 perform secondary crushing treatment on the plastics, meanwhile, the forward threads 61 and the reverse threads 63 on the spiral fins 62 extrude the crushed plastics in the inner cavity of the extruding barrel 5 towards the die hole 31 direction, meanwhile, the extruding rod 6 drives the cutting blade 71 on the outer peripheral surface to rotate, the cutting blade 71 cuts the plastics extruded from the die hole 31, and the cut plastics fall into the material receiving box 8, and taking the material receiving box 8 out of the material taking opening 10 to finish plastic extrusion.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The single-screw three-spiral-structure extrusion device for plastic recycling and granulation is characterized by comprising an outer cover body (1), wherein two bearing seats (2) are installed at the bottom of an inner cavity of the outer cover body (1), top plates (3) are installed on the bearing seats (2), the two top plates (3) are fixedly installed at two ends of an extrusion cylinder (5), the top of the extrusion cylinder (5) is connected with a feeding hopper (4) in a penetrating mode, and a horizontally-arranged crushing rod (41) rotates in the inner cavity of the feeding hopper (4);

the utility model discloses a novel die-casting mould, including the dustcoat body, motor fixed plate (91) is installed through the bolt to the dustcoat body (1) one side, be fixed with driving motor (9) on motor fixed plate (91), driving motor (9) output shaft runs through the dustcoat body (1) one side fixedly connected with extrusion pole (6), extrusion pole (6) are kept away from the fixed cover of driving motor (9) one side tip and are connect pole cover (7), pole cover (7) fixed surface installs two cutting blade (71), cutting blade (71) below is provided with material receiving box (8), material receiving box (8) slide to be set up in the dustcoat body (1) inner chamber bottom, one side two die holes (31) have been seted up on roof (3) surface.

2. The single-screw three-screw extrusion device for plastic recycling and granulating of claim 1, wherein the inner wall of the feeding hopper (4) is symmetrically provided with two guide plates (42), and the guide plates (42) are arranged below the crushing rod (41).

3. The single-screw three-helix extrusion device for plastic recycling and granulation as claimed in claim 1, wherein a material taking opening (10) is formed in one side of the outer cover body (1), and the material receiving box (8) slidably penetrates through the inner wall of the material taking opening (10).

4. The single-screw three-helix extrusion device for plastic recycling and granulation according to claim 1, wherein helical fins (62) are mounted on the outer circumferential surface of the extrusion rod (6), and forward threads (61) and reverse threads (63) are mounted on the outer circumferential surface of the helical fins (62) in a staggered manner.

5. The single-screw three-helix extrusion device for plastic recycling and granulation as claimed in claim 1, wherein the crushing rod (41) penetrates one end of the outer wall of the feeding hopper (4) and is fixedly sleeved with a chain wheel, the chain wheel is fixedly sleeved with the crushing rod, the chain wheel is fixedly sleeved on the outer peripheral surface of the output shaft of the driving motor (9), and the two chain wheels are connected through a chain transmission.