CN215242767U

CN215242767U - Multi-station plastic extrusion equipment

Info

Publication number: CN215242767U
Application number: CN202121195547.3U
Authority: CN
Inventors: 李学华
Original assignee: Kunshan Xiangzhijia Plastic Products Co ltd
Current assignee: Kunshan Xiangzhijia Plastic Products Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-21
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a multistation plastics extrusion equipment, include: the plastic extrusion device comprises a raw material tank and a plurality of plastic extrusion components arranged on the raw material tank; conveying the raw materials heated in the raw material tank to the interior of the corresponding extrusion assembly through a communication pipeline; each plastic extrusion assembly comprises: the extruding pipe is arranged in the extruding pipe, the driving device is connected with the extruding roller, and the base is arranged below the extruding roller; an extrusion net and an extrusion head are arranged in the base; the surface of the extrusion roller is provided with a spiral piece, and the spiral piece has certain elasticity; the extrusion roller can rotate and drive the rotation and the vibration of the spiral piece, and the spiral piece rubs with the inner wall of the extrusion pipe when vibrating and separates attachments or residues attached to the inner wall of the extrusion pipe. The problem that the flow resistance of the plastic raw material is increased and even the extruded pipe is blocked due to the large thickness of the plastic gathered in the extruded pipe is avoided. The extrusion equipment is provided with a plurality of extrusion stations, so that the extrusion efficiency of the plastic is increased.

Description

Multi-station plastic extrusion equipment

Technical Field

The utility model relates to a technical field is extruded to the plastic, especially relates to a multistation plastics extrusion equipment.

Background

Plastic extrusion equipment generally heats plastic raw materials, passes through a screw device, and is extruded from an extrusion head into a specific strip shape. After the existing plastic extrusion equipment is used, attachments or residues are easily formed on the inner surface of the screw device, the screw device generally needs to be knocked manually and replaced, a large amount of time and labor cost are consumed, and the mechanical connection of the replaced screw device is not qualified. In addition, the plastic extrusion equipment in the prior art mostly adopts a screw device to heat raw materials, and the mode has large heat loss and low extrusion efficiency.

In view of the above, there is a need for an improvement of the plastic extrusion apparatus in the prior art to solve the problems of adhesion and low extrusion efficiency in the plastic extrusion apparatus in the prior art.

Disclosure of Invention

The utility model overcomes prior art's is not enough, provides a multistation plastics extrusion equipment, aims at solving among the prior art plastic extrusion equipment attachment and the problem of extrusion inefficiency.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a multi-station plastic extrusion apparatus, comprising: the plastic extrusion device comprises a raw material tank and a plurality of plastic extrusion components arranged on the raw material tank; the plastic extrusion components are arranged on the outer wall of the raw material tank at equal angles, and an annular collecting cylinder is arranged at the bottom of each plastic extrusion component; conveying the raw materials heated in the raw material tank to the corresponding extrusion assembly through a communication pipeline;

each of the plastic extrusion assemblies comprises: the extruding pipe is arranged in the extruding pipe, the driving device is connected with the extruding roller, and the base is arranged below the extruding roller; an extrusion net and an extrusion head are arranged in the base;

the surface of the extrusion roller is provided with a spiral piece, and the spiral piece has certain elasticity; the extrusion roller can rotate and drive the spiral piece to rotate and vibrate, the spiral piece rubs with the inner wall of the extrusion pipe when vibrating, and attachments or residues attached to the inner wall of the extrusion pipe are separated.

In a preferred embodiment of the present invention, the screw is fixedly connected to the surface of the extrusion roll.

In a preferred embodiment of the present invention, the outer diameter of the screw is smaller than the inner diameter of the extrusion tube; the outer side of the spiral piece is 1 mm-2 mm away from the inner wall of the extrusion pipe.

In a preferred embodiment of the present invention, the surface of the screw is provided with a fin, and the fin can increase the contact area between the screw and the inner wall of the extrusion tube, so as to scrape the attachment or the residue.

In a preferred embodiment of the present invention, the inlet end of the extrusion tube is provided with the driving device, the driving device includes a driving motor and a reduction gearbox, a first gear and a second gear are provided in the reduction gearbox, the first gear and the second gear are engaged with each other, the first gear and the output shaft of the driving motor pass through a coupling joint.

In a preferred embodiment of the present invention, the size of the first gear is smaller than that of the second gear.

In a preferred embodiment of the present invention, the surface of the extrusion net is provided with an array of grid structures, and the surface of the grid structures is provided with a magnetic material.

In a preferred embodiment of the present invention, the extrusion roller is a hollow cylinder structure, and the extrusion roller and the base are fixed by bolts.

In a preferred embodiment of the present invention, the thread density of the screw is increased in order from the communicating pipe to the direction of the extrusion head.

In a preferred embodiment of the present invention, the extrusion rate of the extrusion head is controlled by controlling the rotation speed of the driving motor.

The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:

(1) the utility model provides a plastics extrusion equipment, the last setting of this extrusion equipment has increased the extrusion efficiency of plastics by a plurality of stations of extruding.

(2) The surface of the extrusion roller of the utility model is provided with the spiral piece which has certain elasticity; the extrusion roller can rotate and drive the rotation and the vibration of the spiral piece, the spiral piece rubs with the inner wall of the extrusion pipe when vibrating, and separates attachments or residues attached to the inner wall of the extrusion pipe, so that the problem that the flow resistance of plastic raw materials is increased and even the extrusion pipe is blocked due to the fact that the plastic gathers in the extrusion pipe to a large thickness is avoided.

(3) The utility model discloses during the intercommunication pipeline directly lets in the head tank, reduced thermal loss, avoided the intercommunication pipeline of overlength to make the reduction of plastic materials temperature before getting into the extrusion pipe.

(4) The utility model discloses the thread height of well spiral piece is unanimous from the direction of communicating pipe to extruding the head, guarantees to extrude to cut of pipe length direction upper spiral piece to extruding the inside pipe wall and rubs.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic perspective view of a multi-station plastic extrusion apparatus according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of an extrusion assembly according to a preferred embodiment of the present invention;

FIG. 3 is a schematic perspective view of an extrusion roll and screw according to a preferred embodiment of the present invention;

fig. 4 is a schematic perspective view of a base according to a preferred embodiment of the present invention;

figure 5 is a perspective view of the reduction gearbox of the preferred embodiment of the present invention;

in the figure: 1. a raw material tank; 2. a communicating pipe; 3. a plastic extrusion assembly; 31. extruding a pipe; 32. an extrusion roller; 33. a screw; 34. a drive device; 341. a drive motor; 342. a reduction gearbox; 3421. a first gear; 3422. a coupling; 3423. a second gear; 35. a base; 351. extruding a web; 352. an extrusion head; 4. an annular collection cylinder.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.

As shown in fig. 1, a schematic view of a three-dimensional structure of a multi-station plastic extrusion device of the present invention is shown. The plastic extrusion apparatus comprises: the plastic extrusion device comprises a raw material tank 1 and a plurality of plastic extrusion components 3 arranged on the raw material tank 1; the plastic extrusion components 3 are arranged on the outer wall of the raw material tank 1 at equal angles, and the bottoms of the plastic extrusion components 3 are provided with an annular collecting cylinder 4; the raw material heated in the raw material tank 1 is conveyed to the inside of the corresponding extrusion assembly through the communication pipeline 2. The surfaces of the plastic extrusion components 3 are connected with the surface of the raw material tank 1 through connecting pieces.

The utility model discloses well preferred equal angle is arranged and is extruded subassembly 3 by 6 plastics, and during intercommunication pipeline 2 directly let in head tank 1, reduced thermal loss, avoid the intercommunication pipeline 2 of overlength to make the reduction of plastics raw materials temperature. The utility model discloses in can have the selection to set up the charge pump between intercommunication pipeline 2 and the head tank 1.

As shown in fig. 2, a schematic perspective structure of the plastic extrusion assembly 3 of the present invention is shown. Each plastic extrusion assembly 3 comprises: an extrusion pipe 31, an extrusion roller 32 disposed inside the extrusion pipe 31, a driving device 34 connected to the extrusion roller 32, and a base 35 disposed below the extrusion roller 32. The extrusion roller 32 is of a hollow cylindrical structure.

As shown in fig. 3, a schematic perspective view of the extrusion roll 32 and the screw 33 of the present invention is shown. If the plastic adhered to the pipe is not cleaned in time in the extruded pipe 31, the plastic may be accumulated to a large thickness on the surface or inner wall of the pipe, which may increase the flow resistance of the plastic material and even block the extruded pipe 31. The surface of the extrusion roller 32 is provided with a spiral member 33, and the spiral member 33 has certain elasticity; the extrusion roller 32 is capable of rotating and driving the screw 33 to rotate and vibrate, and the screw 33 rubs against the inner wall of the extrusion tube 31 when vibrating and separates the attachments or residues attached to the inner wall of the extrusion tube 31. One side of the screw 33 is fixedly connected with the surface of the extrusion roller 32, the other side of the screw 33 has elasticity, and the elastic part generates vibration and scratches attachments or residues on the inner wall of the extrusion pipe 31 during rotation.

The utility model discloses well spiral piece 33 is metal alloy, has high strength, high elasticity's advantage, can select to be PtAg20 alloy or Aglr3, AgRu3 alloy.

The utility model discloses well screw 33's surface is provided with the fin, and the fin can increase the area of contact of screw 33 and extrusion pipe 31 inner wall to scrape and rub attachment or residue.

The outer diameter of the middle screw part 33 of the utility model is smaller than the inner diameter of the extrusion pipe 31; the outer side of the spiral piece 33 is 1 mm-2 mm away from the inner wall of the extrusion pipe 31. In addition, the thread height of the screw part 33 is consistent from the communication pipeline 2 to the extrusion head 352, so that the scraping of the screw part 33 on the inner wall of the extrusion pipe 31 in the length direction of the extrusion pipe 31 is ensured.

The thread density of the middle screw part 33 of the utility model is increased in sequence from the communicating pipe 2 to the direction of the extrusion head 352.

As shown in fig. 4, a schematic perspective view of the base 35 of the present invention is shown. The base 35 is provided with an extrusion net 351 and an extrusion head 352, and the extrusion roller 32 and the base 35 are fixed by bolts. The surface of the extruded mesh 351 is provided with an array of grid structures, the surface of which is provided with a magnetic material.

As shown in fig. 5, a perspective view of the reduction gearbox 342 of the present invention is shown. The inlet end of the extrusion pipe 31 is provided with a driving device 34, the driving device 34 comprises a driving motor 341 and a reduction box 342, the reduction box 342 is provided with a first gear 3421 and a second gear 3423, the first gear 3421 and the second gear 3423 are meshed with each other, and the first gear 3421 is connected with the output shaft of the driving motor 341 through a coupling 3422. The size of the first gear 3421 is smaller than that of the second gear 3423, which realizes the reduction of the output rotation speed of the driving motor 341. The extrusion rate of the extrusion head 352 is controlled by controlling the rotational speed of the drive motor 341. The utility model discloses in every driving motor 341 and reducing gear box 342 all can the independent control.

The utility model discloses during the use, carry the raw and other materials after heating in the head tank 1 to inside the corresponding extrusion subassembly through communicating pipe 2, driving motor 341 drives first gear 3421 in the reducing gear box 342 and rotates, first gear 3421 drives the meshing second gear 3423 counter-rotation, first gear 3421 drives the extrusion roller 32 of coaxial setting and rotates, the spiral piece 33 of fixing on the extrusion roller 32 rotates simultaneously and produces the vibration, when spiral piece 33 produces the vibration, spiral piece 33 cuts and scratches the attachment or the residue on the extrusion pipe 31 inner wall; the additive is agitated with the plastic material, which is extruded into a specific plastic strip through the extrusion net 351 and the extrusion head 352 on the base 35.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A multi-station plastic extrusion apparatus, comprising: the plastic extrusion device comprises a raw material tank and a plurality of plastic extrusion components arranged on the raw material tank; the plastic extrusion components are arranged on the outer wall of the raw material tank at equal angles, and an annular collecting cylinder is arranged at the bottom of each plastic extrusion component; conveying the raw materials heated in the raw material tank to the corresponding extrusion assembly through a communication pipeline;

2. A multi-station plastic extrusion apparatus according to claim 1, wherein: the spiral piece is fixedly connected with the surface of the extrusion roller.

3. A multi-station plastic extrusion apparatus according to claim 1, wherein: the outer diameter of the screw is smaller than the inner diameter of the extrusion pipe; the outer side of the spiral piece is 1 mm-2 mm away from the inner wall of the extrusion pipe.

4. A multi-station plastic extrusion apparatus according to claim 1, wherein: the surface of screw is provided with the fin, the fin can increase the screw with the area of contact of extrusion tube inner wall, in order to scrape the attachment or the residue.

5. A multi-station plastic extrusion apparatus according to claim 1, wherein: the driving device is arranged at the inlet end of the extrusion pipe and comprises a driving motor and a reduction gearbox, a first gear and a second gear are arranged in the reduction gearbox and are meshed with each other, and the first gear is connected with an output shaft of the driving motor through a coupler.

6. A multi-station plastic extrusion apparatus according to claim 5, wherein: the first gear is smaller in size than the second gear.

7. A multi-station plastic extrusion apparatus according to claim 1, wherein: the surface of the extrusion net is provided with an array grid structure, and the surface of the grid structure is provided with a magnetic material.

8. A multi-station plastic extrusion apparatus according to claim 1, wherein: the extrusion roller is of a hollow cylinder structure, and the extrusion roller and the base are fixed through bolts.

9. A multi-station plastic extrusion apparatus according to claim 1, wherein: the thread density of the spiral piece is sequentially increased from the communication pipeline to the extrusion head.

10. A multi-station plastic extrusion apparatus according to claim 5, wherein: and controlling the extrusion rate of the extrusion head by controlling the rotating speed of the driving motor.