CN211363374U

CN211363374U - Compound pipe extrusion molding device of polyethylene

Info

Publication number: CN211363374U
Application number: CN201922153119.3U
Authority: CN
Inventors: 郑丹虹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-28
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a polyethylene composite pipe extrusion molding device, which comprises an extruder, wherein a neck mold is fixedly arranged on the extruder, the outer wall of one end of the neck mold is respectively in threaded connection with a fixed joint and is fixedly sleeved with a fixed ring, the outer wall of the neck mold between the fixed ring and the fixed joint is slidably sleeved with a plurality of rings, the outer wall of each ring is respectively movably jointed with the end surfaces of the fixed ring and the fixed joint, the opposite surfaces of the rings are fixedly connected with a sleeve, the top of the sleeve is fixedly communicated with a plurality of groups of hoses, one end of each hose close to the neck mold is fixedly provided with a spray head, the lower part of the side wall of one end of the extruder is fixedly provided with a transverse plate, the top surface of one end of the transverse plate far away from the extruder is fixedly provided with a cold water tank, the top of the cold water tank is fixedly inserted with a connecting pipe, avoid sticking on the neck ring die during extrusion to cause surface defects of the extruded product.

Description

Compound pipe extrusion molding device of polyethylene

Technical Field

The utility model relates to a compound tub of technical field of polyethylene specifically is a compound tub of extrusion molding device of polyethylene.

Background

The polyethylene composite pipe is made up by using two kinds of polyethylene resins with different densities and respectively using two extruders to plastify and melt them at the same time, then simultaneously extruding the molten material into a mould capable of forming composite pipe, and the formed pipe material is polyethylene composite pipe. In industrial and mining enterprises, the composite pipe can be used for replacing a steel pipe and is used for conveying pipes with corrosive media such as oil, gas and the like or pipelines for mine ventilation and the like, but due to the high viscosity and viscoelasticity of a polymer solution, surface defects of an extruded product are often caused when the steel-plastic composite pipe is extruded and molded, the extrusion speed is limited to be improved, the production efficiency is reduced, and therefore the extrusion molding device for the polyethylene composite pipe is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound pipe extrusion molding device of polyethylene to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an extrusion molding device of a polyethylene composite pipe comprises an extruder, wherein a neck mold is fixedly arranged on the extruder, the outer wall of one end of the neck ring mold is respectively in threaded connection with a fixed joint and fixedly sleeved with a fixed ring, the outer wall of the neck ring mold between the fixed ring and the fixed joint is sleeved with a plurality of rings in a sliding manner, the number of the rings is two, the outer wall of the circular ring is movably jointed with the end faces of the fixed ring and the fixed joint respectively, the opposite face of the circular ring is fixedly connected with a sleeve, the top of the sleeve is fixedly communicated with a plurality of groups of hoses, one end of each hose close to the mouth mold is fixedly provided with a spray head, a transverse plate is fixedly arranged at the lower part of the side wall at one end of the extruder, a cold water tank is fixedly arranged on the top surface of one end of the transverse plate far away from the extruder, the top of the cold water tank is fixedly inserted with a connecting pipe, the other end of the connecting pipe is fixedly connected with a water distribution box, and the bottom of the water distribution box is in threaded sealing connection with a connector at the free end of a hose.

As a preferred technical scheme of the utility model, the one end that the connecting pipe is located the cold water storage cistern extends to the cold water storage cistern bottom, and the one end fixed mounting that the connecting pipe is close to the box that divides water has the water pump.

As a preferred technical scheme of the utility model, gu fixed ring and fixed joint all are equipped with the ring channel towards the one side of ring, the sealing washer has been placed to the ring channel internalization, the sealing washer supports with the ring outer wall and closes.

As a preferred technical scheme of the utility model, the fixed cooler bin that is equipped with of diaphragm top surface of cold water storage cistern one side, the fixed intercommunication in one end upper portion of cooler bin has the outlet pipe, the other end and the sleeve bottom fixed connection of outlet pipe.

As an optimal technical scheme of the utility model, the sleeve inner wall of outlet pipe both sides is equipped with the slope, the slope bottom department on slope is laminated with the port of outlet pipe mutually.

As an optimal technical scheme of the utility model, communicate each other through the recovery tube between cold water storage cistern and the cooler bin, and fixed mounting has the valve on the recovery tube.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the water pump is started, cold water stored in the cold water tank is pumped into the water distribution box through the connecting pipe, and the water cooling is carried out on the mouth mold of the extruder through the water distribution box, the hose and the spray head, so that the polyethylene composite pipe to be extruded and molded in the mouth mold is cooled, the high elasticity and viscoelasticity of the polymer can be reduced, the phenomenon that the surface defect of an extruded material is caused and the quality of a product is influenced due to the fact that the polyethylene composite pipe is adhered to the mouth mold during extrusion is avoided, the extrusion speed has to be reduced, and the production efficiency is reduced.

2. Solid fixed ring and fixed joint all are equipped with the ring channel towards the one side of ring, and the sealing washer has been placed to the ring channel internalization, and the sealing washer supports with the ring outer wall and closes, through the laminating of sealing washer with the ring, utilizes fixed joint to fix, realizes sealedly, avoids water liquid to flow from the space.

3. The water liquid that sprays on the bush outer wall falls on the bottom in the sleeve along the bush outer wall, gets into the cooler bin through the outlet pipe, and the cooler bin cools off water liquid again, and after the cooling finishes, opens the valve on the recovery pipe, and water liquid after will cooling flows into the cold water storage cistern in, realizes cyclic utilization and realizes the effect of environmental protection and water economy resource.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the center die, the ring and the sleeve of the present invention;

fig. 3 is a schematic diagram of the distribution of the positions of the nozzles in the present invention.

In the figure: 1 extruder, 12 transverse plates, 11 die, 2 fixing rings, 3 lantern rings, 31 sleeves, 32 hoses, 33 spray heads, 34 slopes, 35 water outlet pipes, 4 annular grooves, 5 sealing rings, 6 fixing joints, 7 cold water tanks, 71 connecting pipes, 72 water distribution boxes, 73 water pumps, 8 cooling tanks and 9 recovery pipes.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a polyethylene composite pipe extrusion molding device comprises an extruder 1, wherein a neck mold 11 is fixedly arranged on the extruder 1, the outer wall of one end of the neck mold 11 is respectively in threaded connection with a fixed joint 6 and fixedly sleeved with a fixed ring 2, the outer wall of the neck mold 11 between the fixed ring 2 and the fixed joint 6 is sleeved with a plurality of rings 3 in a sliding manner, the number of the rings 3 is two, the outer walls of the rings 3 are respectively movably attached to the end surfaces of the fixed ring 2 and the fixed joint 6, the opposite surface of each ring 3 is fixedly connected with a sleeve 31, the top of the sleeve 31 is fixedly communicated with a plurality of groups of hoses 32, one end of each hose 32 close to the neck mold 11 is fixedly provided with a spray head 33, the lower part of the side wall of one end of the extruder 1 is fixedly provided with a transverse plate 12, the top surface of one end of the transverse plate 12 far away from the extruder 1 is fixedly provided with, the bottom of the water distribution box 72 is in threaded sealing connection with a connector at the free end of the hose 32, one end of the connecting pipe 71, which is positioned in the cold water tank 7, extends to the bottom of the cold water tank 7, and the end, which is close to the water distribution box 72, of the connecting pipe 71 is fixedly provided with the water pump 73. in daily use, the water pump 73 is started to pump cold water stored in the cold water tank 7 into the water distribution box 72 through the connecting pipe 71, and the water cooling is performed on the neck mold 11 of the extruder 1 through the water distribution box 72, the hose 32 and the nozzle 33, so that the polyethylene composite pipe to be extruded and molded in the neck mold 11 is cooled, the high elasticity and viscoelasticity of a polymer can be reduced, the phenomenon that the polymer is adhered to the neck mold 11 during extrusion to cause surface defects of an extruded material and influence the quality of a.

Referring to fig. 1-3, the annular groove 4 is disposed on the fixing ring 2 and the fixing joint 6 facing the ring 3, the sealing ring 5 is movably disposed in the annular groove 4, the sealing ring 5 abuts against the outer wall of the ring 3, and the fixing joint 6 is used for fixing through the adhesion of the sealing ring 5 and the ring 3 to realize sealing and prevent water from flowing out of the gap.

Referring to fig. 1-3, a cooling tank 8 is fixedly disposed on the top surface of a transverse plate 12 on one side of a cooling water tank 7, a water outlet pipe 35 is fixedly communicated with the upper portion of one end of the cooling tank 8, the other end of the water outlet pipe 35 is fixedly connected with the bottom of a sleeve 31, the cooling water tank 7 and the cooling tank 8 are mutually communicated through a recovery pipe 9, a valve is fixedly mounted on the recovery pipe 9, water sprayed on the outer wall of a die 11 falls on the inner bottom of the sleeve 31 along the outer wall of the die 11, and enters the cooling tank 8 through the water outlet pipe 35, the cooling tank 8 cools the water again, after cooling is completed, the valve on the recovery pipe 9 is opened, the cooled water flows into the cooling water tank 7, and the effects of environmental protection and water.

Referring to fig. 1-3, the inner wall of the sleeve 31 at both sides of the water outlet pipe 35 is provided with a slope 34, the slope bottom of the slope 34 is attached to the port of the water outlet pipe 35, and the slope 34 is utilized to facilitate the water liquid to better enter the water outlet pipe 35.

The working principle is as follows: the utility model discloses when daily use, start water pump 73, with the inside cold water that stores of cold water tank 7, in sucking branch box 72 through connecting pipe 71, carry out the water-cooling to bush 11 of extruder 1 through branch box 72, hose 32 and shower nozzle 33, thereby cool down the processing to the polyethylene composite pipe that will extrude shaping in bush 11, can reduce the high elasticity and the viscoelasticity of polymer, the adhesion is on bush 11 when avoiding extruding, cause extrudate surface defect, influence the quality of product, and have to reduce the extrusion speed, production efficiency has been reduced; through the joint of the sealing ring 5 and the circular ring 3, the fixing joint 6 is used for fixing, so that sealing is realized, and water liquid is prevented from flowing out of a gap; the water liquid of spraying on 11 outer walls of bush, along 11 outer walls of bush drop on the bottom in sleeve 31, get into cooling tank 8 through outlet pipe 35, cooling tank 8 cools off water liquid again, after the cooling finishes, opens the valve on the recovery tube 9, in water liquid inflow cold water tank 7 after with the cooling, realize cyclic utilization and realize the effect of environmental protection and water economy resource.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound pipe extrusion molding device of polyethylene, includes extruder (1), fixed mounting has bush (11), its characterized in that on extruder (1): the die is characterized in that the outer wall of one end of the die (11) is respectively in threaded connection with a fixed joint (6) and fixedly sleeved with a fixed ring (2), the outer wall of the die (11) between the fixed ring (2) and the fixed joint (6) is slidably sleeved with a plurality of rings (3), the number of the rings (3) is two, the outer walls of the rings (3) are respectively movably attached to the end faces of the fixed ring (2) and the fixed joint (6), the opposite faces of the rings (3) are fixedly connected with sleeves (31), the top of each sleeve (31) is fixedly communicated with a plurality of groups of hoses (32), one end, close to the die (11), of each hose (32) is fixedly provided with a spray head (33), the lower portion of the side wall of one end of the extruder (1) is fixedly provided with a transverse plate (12), the top face of one end, far away from the extruder (1), of the transverse plate (12) is fixedly provided with a cold water tank, the other end of the connecting pipe (71) is fixedly connected with a water distribution box (72), and the bottom of the water distribution box (72) is in threaded sealing connection with a connector at the free end of the hose (32).

2. An extrusion molding apparatus for polyethylene clad pipes as claimed in claim 1, wherein: one end of the connecting pipe (71) positioned in the cold water tank (7) extends to the bottom of the cold water tank (7), and one end of the connecting pipe (71) close to the water distribution box (72) is fixedly provided with a water pump (73).

3. An extrusion molding apparatus for polyethylene clad pipes as claimed in claim 1, wherein: fixed ring (2) and fixed joint (6) all are equipped with ring channel (4) towards the one side of ring (3), sealing washer (5) have been placed to ring channel (4) internalization, sealing washer (5) and ring (3) outer wall are to closing.

4. An extrusion molding apparatus for polyethylene clad pipes as claimed in claim 1, wherein: the cooling water tank is characterized in that a cooling tank (8) is fixedly arranged on the top surface of a transverse plate (12) on one side of the cooling water tank (7), a water outlet pipe (35) is fixedly communicated with the upper portion of one end of the cooling tank (8), and the other end of the water outlet pipe (35) is fixedly connected with the bottom of the sleeve (31).

5. An extrusion molding apparatus for polyethylene clad pipes as claimed in claim 4, wherein: the inner walls of the sleeves (31) on the two sides of the water outlet pipe (35) are provided with slopes (34), and the slope bottoms of the slopes (34) are attached to the ports of the water outlet pipe (35).

6. An extrusion molding apparatus for polyethylene clad pipes as claimed in claim 1, wherein: the cold water tank (7) and the cooling tank (8) are communicated with each other through a recovery pipe (9), and a valve is fixedly mounted on the recovery pipe (9).