CN212171242U

CN212171242U - Continuous extrusion molding cooling device for PE (polyethylene) pipes

Info

Publication number: CN212171242U
Application number: CN201921538633.2U
Authority: CN
Inventors: 赵福安
Original assignee: Hebei Lantian Plastic Industry Co ltd
Current assignee: Hebei Lantian Plastic Industry Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-12-18
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to a PE tubular product technical field especially relates to a PE tubular product is extrusion moulding cooling device in succession. The utility model is slightly improved on the traditional cooling technology, and the cooling water is sprayed on the surface of the pipe through the annular structure, so that the cooling area is enlarged, and the quality of the pipe is ensured to a certain extent; compare than traditional process flow, the utility model discloses a waste water recovery and the design of purifying have satisfied sustainable development's basic guideline, have protected the environment, have practiced thrift the cost, have very big meaning to the batch production and the quality assurance of PE tubular product.

Description

Continuous extrusion molding cooling device for PE (polyethylene) pipes

Technical Field

The utility model relates to a PE tubular product technical field especially relates to a PE tubular product is extrusion moulding cooling device in succession.

Background

The plastic pipeline in China develops rapidly and the quality is improved continuously. At present, plastic pipe industries mainly including polyvinyl chloride (PVC-U) pipes, Polyethylene (PE) pipes, and polypropylene (PP-R) pipes have been primarily formed. Among them, Polyethylene (PE) pipes are widely used in building water supply, building drainage, buried drainage pipes, building heating, gas distribution, gas transmission pipes, electrical and telecommunication protective sleeves, industrial pipes, agricultural pipes, etc. due to their unique advantages. The PE pipe is mainly applied to urban water supply, urban gas supply and farmland irrigation, the PE pipe is produced in an extrusion forming mode, and then the formed pipe is cooled.

In the prior art, the formed pipe is generally cooled by cooling water, but the cooling area of the pipe is not uniform by the method, so that the deformation of the pipe is inconsistent, and the quality of the pipe is influenced; the cooled water is not treated in time, which affects the surrounding environment to a certain extent, and the principle of sustainable development is violated, so a brand new PE pipe continuous extrusion molding cooling device needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technical deficiency exists is solved, the utility model provides a PE pipe continuous extrusion molding cooling device, the utility model is improved on the traditional cooling technology, cooling water is sprayed on the surface of the pipe through an annular structure, so that the cooling area is enlarged, and the quality of the pipe is ensured to a certain extent; compare than traditional process flow, the utility model discloses a waste water recovery and the design of purifying have satisfied sustainable development's basic guideline, have protected the environment, have practiced thrift the cost, have very big meaning to the batch production and the quality assurance of PE tubular product.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a continuous extrusion molding cooling device for PE pipes is characterized in that a base comprises an extrusion screw rod positioned on the base, a protective box is arranged around the extrusion screw rod, a feeding hopper connected with the extrusion screw rod is arranged on the upper end face of the protective box, and an internal thread matched with the extrusion screw rod is arranged inside the protective box; an injection plate is arranged at one end of the protection box, which is far away from the charging hopper, a pipe neck mold device is arranged on the injection plate, and the other end of the pipe neck mold is connected with a pipe fixed mold device; one end of the pipe fixing die device is connected with a telescopic oil cylinder through a pipe fixing die device plate;

the pipe fixing device comprises a base, a water pump, a telescopic water pipe and an annular nozzle, wherein the water pump is positioned on the base, the telescopic water pipe is telescopic in the length direction, the annular nozzle is connected with the telescopic water pipe and surrounds the pipe fixing device, and a first inclined plane is arranged at the bottom of the annular nozzle; still including being located first slope plane below and being located second slope plane on the base, the centre on second slope plane is equipped with waste liquid recovery pipeline, waste liquid recovery pipe connection has the clarifier.

Further optimize this technical scheme, the base lower extreme is equipped with a plurality of support columns.

Further optimize this technical scheme, the bottom of tubular product cover half device is equipped with the slider.

Further optimize this technical scheme, still be equipped with on the base with slider sliding fit's spout.

Further optimize this technical scheme, the other end of flexible hydro-cylinder is connected with the driver station.

Further optimize this technical scheme, the second slope plane is close to the both sides of spout are equipped with the breakwater respectively.

Compared with the prior art, the utility model has the advantages of it is following: 1. the utility model adopts the design of the annular nozzle, which is beneficial to ensure that the area of the pipe cooled is enlarged; 2. the utility model adopts the design of the telescopic water pipe, which is favorable for ensuring the cooling step; 3. the utility model discloses a design that waste water was collected and was purified, the fine environment of having protected of this structure can practice thrift the cost simultaneously.

Drawings

FIG. 1 is an overall structure diagram of a cooling device for continuous extrusion molding of PE pipes;

FIG. 2 is a sectional view of a cooling apparatus for continuous extrusion of PE pipe;

FIG. 3 is a partially enlarged view of a cooling apparatus for continuous extrusion molding of PE pipe;

FIG. 4 is a view showing the structure of an extrusion screw of a cooling device for continuous extrusion molding of PE pipe.

In the figure: 1. a base; 2. extruding the screw; 3. a protective box; 4. a hopper; 5. an internal thread; 6. an injection plate; 7. a pipe neck mold device; 8. a pipe fixing device; 9. a telescopic oil cylinder; 10. a water pump; 11. a telescopic water pipe; 12. an annular nozzle; 13. a first inclined plane; 14. a second inclined plane; 15. a waste liquid recovery pipeline; 16. a purifier; 17. a support pillar; 18. a slider; 19. a chute; 20. a drive stage; 21. a water baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: referring to fig. 1-4, fig. 1 is a general structure diagram of a cooling device for continuous extrusion molding of PE pipes; FIG. 2 is a sectional view of a cooling apparatus for continuous extrusion of PE pipe; FIG. 3 is a partially enlarged view of a cooling apparatus for continuous extrusion molding of PE pipe; FIG. 4 is a view showing the structure of an extrusion screw of a cooling device for continuous extrusion molding of PE pipe.

The utility model provides a continuous extrusion molding cooling device for PE pipes, which is characterized in that the continuous extrusion molding cooling device for PE pipes is characterized in that a base 1 comprises an extrusion screw 2 positioned on the base 1, a protective box 3 is arranged around the extrusion screw 2, a charging hopper 4 communicated with the extrusion screw 2 is arranged on the upper end surface of the protective box 3, and an internal thread 5 matched with the extrusion screw 2 is arranged inside the protective box 3; an injection plate 6 is arranged at one end of the protection box 3 far away from the charging hopper 4, a pipe neck mold device 7 is arranged on the injection plate 6, and a pipe fixed mold device 8 is connected to the other end of the pipe neck mold 7; one end of the pipe fixed die device 8 is connected with a telescopic oil cylinder 9 through a pipe fixed die device plate;

the pipe fixing device is characterized by further comprising a water pump 10 positioned on the base 1, a telescopic water pipe 11 which is telescopic in the length direction, and an annular nozzle 12 which is connected with the telescopic water pipe 11 and surrounds the pipe fixing device 8, wherein a first inclined plane 13 is arranged at the bottom of the annular nozzle 12; the base is characterized by further comprising a second inclined plane 14 which is located below the first inclined plane 13 and on the base 1, wherein a waste liquid recovery pipeline 15 is arranged in the middle of the second inclined plane 14, and the waste liquid recovery pipeline 15 is connected with a purifier 16.

Further optimize this technical scheme, base 1 lower extreme is equipped with a plurality of support columns 17.

Further optimize this technical scheme, the bottom of tubular product cover half device 8 is equipped with slider 18.

Further optimizing the technical scheme, the base 1 is further provided with a sliding groove 19 in sliding fit with the sliding block 18.

Further optimizing the technical scheme, the other end of the telescopic oil cylinder 9 is connected with a driving platform 20.

Further optimizing the technical scheme, two sides of the second inclined plane 14 close to the chute 19 are respectively provided with a water baffle 21.

In the above embodiment, the present invention adopts the design of the annular nozzle 12, which is advantageous to ensure that the area of the pipe cooled becomes larger; the utility model adopts the design of the telescopic water pipe 11, which is beneficial to ensure the cooling step; the utility model discloses a design that waste water was collected and was purified, the fine environment of having protected of this structure can practice thrift the cost simultaneously.

In order to facilitate understanding of the cooling device for continuous extrusion molding of PE pipes provided by the embodiments of the present invention, the following detailed description is made in conjunction with specific embodiments.

When in use: firstly, adding material particles into a feeding hopper 4, and feeding the material particles into a space inside an extrusion screw 2 and a protective box 3 through the feeding hopper 4, wherein an internal thread 5 is arranged inside the protective box 3; the starting device starts to operate, the extrusion screw 2 rotates to extrude material particles, after the process is finished, the material in a molten state is injected into the space between the pipe neck mold device 7 and the pipe fixed mold device 8 through the injection plate 6, and then the pipe is cooled through the annular nozzles 12 surrounding the periphery of the pipe fixed mold device 8.

Wherein, the water pipe connected with the water pump 10 is set as a telescopic water pipe 11, which can not obstruct the forward propulsion process of the pipe fixed die device 8; through a chute 19 arranged on the base 1 and a slide block 18 at the bottom end of the pipe fixed die device 8, the pipe fixed die device 8 can slide forwards under the driving of the telescopic oil cylinder 9, and it is noted that the power source of the telescopic oil cylinder 9 comes from a driving platform 20; during the cooling process, the sprayed water flows into the second inclined plane 14 through the first inclined plane 13 at the bottom of the annular nozzle 12 and then flows into the purifier 16 through the waste liquid recovery pipeline 15, so that the waste liquid recovery process is realized; in order to prevent the waste liquid from flowing into the sliding groove 19, water baffles 21 are arranged on two sides of the second inclined plane 14, and a plurality of supporting columns 17 are arranged at the bottom end of the base 1 in order to ensure the stability of the base 1.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The continuous extrusion molding cooling device for the PE pipes is characterized in that a base (1) comprises an extrusion screw (2) positioned on the base (1), a protective box (3) is arranged on the periphery of the extrusion screw (2), a feeding hopper (4) communicated with the extrusion screw (2) is arranged on the upper end face of the protective box (3), and an internal thread (5) matched with the extrusion screw (2) is arranged inside the protective box (3); an injection plate (6) is mounted at one end, far away from the loading hopper (4), of the protection box (3), a pipe mouth mold device (7) is arranged on the injection plate (6), and a pipe fixed mold device (8) is connected to the other end of the pipe mouth mold device (7); one end of the pipe fixed die device (8) is connected with a telescopic oil cylinder (9) through a pipe fixed die device plate;

the pipe fixing device is characterized by further comprising a water pump (10) positioned on the base (1), a telescopic water pipe (11) with the telescopic length direction, and an annular nozzle (12) which is connected with the telescopic water pipe (11) and surrounds the pipe fixing device (8), wherein the bottom of the annular nozzle (12) is provided with a first inclined plane (13); still including being located first slope plane (13) below and being located second slope plane (14) on base (1), the centre of second slope plane (14) is equipped with waste liquid recovery pipeline (15), waste liquid recovery pipeline (15) are connected with clarifier (16).

2. The continuous extrusion molding cooling device for the PE pipe according to claim 1, wherein: the lower end of the base (1) is provided with a plurality of supporting columns (17).

3. The continuous extrusion molding cooling device for the PE pipe according to claim 1, wherein: and a sliding block (18) is arranged at the bottom end of the pipe fixing die device (8).

4. The continuous extrusion molding cooling device for the PE pipe according to claim 3, wherein: the base (1) is also provided with a sliding groove (19) which is in sliding fit with the sliding block (18).

5. The continuous extrusion molding cooling device for the PE pipe according to claim 1, wherein: the other end of the telescopic oil cylinder (9) is connected with a driving platform (20).

6. The continuous extrusion molding cooling device for the PE pipe according to claim 4, wherein: and water baffles (21) are respectively arranged on two sides of the second inclined plane (14) close to the sliding groove (19).