CN217196798U

CN217196798U - Adjustable extrusion molding die for ultra-high molecular weight polyethylene pipe

Info

Publication number: CN217196798U
Application number: CN202123417144.1U
Authority: CN
Inventors: 任文军; 翟乃华; 田永强; 杨明礼
Original assignee: Shandong Guoyuan Plastic Technology Co ltd
Current assignee: Shandong Guoyuan Plastic Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-16
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a polyethylene pipe processing equipment technical field especially relates to an extrusion moulding mould with adjustable ultra high molecular weight polyethylene tubular product, and its technical scheme includes outer mould pipe, forming tube and extrudes the pipe, the axis of rotation is installed in the intraductal rotation of extrusion, is provided with helical blade in the axis of rotation, the forming tube is installed at the terminal department of extrusion pipe, and the forming tube is the encapsulated situation with the one end of extruding union coupling, install the installation piece in the forming tube, the side of installation piece is seted up threaded hole, outer mould pipe sets up in the forming tube, and the top department of outer mould pipe is provided with the installation pipe, and installation pipe and forming tube threaded connection, the intraductal core mode that is provided with of outer mould, the terminal department of core mode installs the installation head, and the surface of installation head is provided with helicitic texture, and installs the head threaded connection in the installation piece. The utility model discloses possess shaping structure convenient to detach, installation, the easy to maintain overhaul with can adjust the advantage of the fashioned size of tubular product.

Description

Adjustable extrusion molding die for ultra-high molecular weight polyethylene pipe

Technical Field

The utility model relates to a polyethylene pipe processing equipment technical field specifically is an extrusion moulding mould with adjustable ultra high molecular weight polyethylene tubular product.

Background

The polyethylene pipe is made of polyethylene, and the polyethylene is a thermoplastic resin with high crystallinity and non-polarity. The original polyethylene is milk white in appearance, and is semitransparent to a certain extent on a micro-thin section. PE has excellent resistance to most domestic and industrial chemicals. The extrusion die is the main die for forming the pipe.

The existing polyethylene pipe extrusion molding die is complex in structure, the size of a molding die cavity is fixedly arranged, different extrusion molding dies need to be replaced when the polyethylene pipes of different sizes are molded, the processing efficiency of the polyethylene pipes is influenced, the die is not convenient to detach, maintenance and overhaul cannot be facilitated when the molding structure is damaged, and the use of the extrusion molding dies is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extrusion moulding mould with adjustable ultra high molecular weight polyethylene tubular product possesses shaping structure convenient to detach, installation, and the problem that above-mentioned background art provided has been solved to the advantage of convenient to maintain and overhaul and can adjust the tubular product shaping size.

In order to achieve the above purpose, the utility model provides a following technical scheme: an adjustable extrusion molding die for an ultra-high molecular weight polyethylene pipe comprises an outer die pipe, a molding pipe and an extrusion pipe, the upper end of the extrusion pipe is provided with a feeding pipe which is communicated with the extrusion pipe, a rotating shaft is rotatably arranged in the extrusion pipe and is provided with a helical blade, the forming pipe is arranged at the tail end of the extrusion pipe, one end of the forming pipe connected with the extrusion pipe is in a closed state, the molding tube is internally provided with an installation block, the side end of the installation block is provided with a threaded hole, the outer mold tube is arranged in the molding tube, the initial end of the outer mold tube is provided with an installation tube which is sleeved outside the molding tube, the mounting pipe is in threaded connection with the forming pipe, a core mold column is arranged in the outer mold pipe, the mounting head is mounted at the tail end of the core mold column, a threaded structure is arranged on the outer surface of the mounting head, and the mounting head is mounted in the mounting block in a threaded mode.

Preferably, a driving box is installed at the rear end of the extrusion pipe, driving equipment is arranged in the driving box, and a main shaft of the driving equipment is connected with the axis of the rotating shaft. The drive device in the drive box can make the rotating shaft rotate.

Preferably, a valve is arranged on the feeding pipe. The molten raw material can be fed into the extrusion tube through the feed tube.

Preferably, the forming pipe and the extrusion pipe are provided with six communicating holes, and the six communicating holes are distributed in an array. The communicating holes can lead the raw materials to enter the forming die cavity.

Preferably, the inner wall of installation pipe is provided with the internal thread, and the surface of forming tube is provided with the external screw thread, internal thread and external screw thread looks adaptation. The setting of internal thread and external screw thread can carry out the threaded mounting to the installation pipe.

Preferably, a sealing plate is arranged at the tail end of the outer mold pipe, a sealing groove is formed in the side end of the sealing plate, and a rubber ring is arranged in the sealing groove. The sealing plate is arranged to seal the end of the outer mold pipe.

Preferably, a pipe molding die cavity is formed between the outer die pipe and the core die column. The pipe forming die cavity is used for forming the polyethylene pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows: outer mould pipe and mandrel post are all threaded mounting in the shaping pipe, the raw materials are crowded into the tubular product moulded die intracavity between outer mould pipe and the mandrel post and are carried out the shaping, when the not polyethylene tubular product of equidimension of needs shaping, take off outer mould pipe and mandrel post through the pivoted mode, change outer mould pipe and mandrel post of equidimension again, can adjust the tubular product size after the shaping, because of outer mould pipe and mandrel post can convenient to detach and install, also can be convenient for change and overhaul when outer mould pipe and mandrel post appear damaging.

Drawings

Fig. 1 is a schematic cross-sectional structural view of the side view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

fig. 4 is a schematic view of an external mold tube structure of the present invention;

fig. 5 is a schematic structural view of the core pillar of the present invention;

fig. 6 is a rear view structural schematic diagram of the outer mold tube of the present invention.

The reference numerals and names in the figures are as follows:

1. installing a pipe; 2. an outer mold tube; 3. forming a tube; 4. mounting blocks; 5. extruding a pipe; 6. a helical blade; 7. a rotating shaft; 8. a feed pipe; 9. a drive box; 10. a communicating hole; 11. a core mold column; 12. a sealing groove; 13. a rubber ring; 14. a mounting head; 15. and (7) sealing the plate.

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.

Example one

Referring to fig. 1 to 4, the present invention provides an embodiment: an adjustable extrusion molding die for an ultra-high molecular weight polyethylene pipe comprises an outer die pipe 2, a molding pipe 3 and an extrusion pipe 5, the upper end of the extrusion pipe 5 is provided with a feeding pipe 8, the feeding pipe 8 is communicated with the inside of the extrusion pipe 5, the feeding pipe 8 is provided with a valve, a rotating shaft 7 is rotatably arranged in the extrusion pipe 5, a helical blade 6 is arranged on the rotating shaft 7, the rear end of the extrusion pipe 5 is provided with a driving box 9, driving equipment is arranged in the driving box 9, a main shaft of the driving equipment is connected with the axis of the rotating shaft 7, the forming pipe 3 is arranged at the tail end of the extrusion pipe 5, one end of the forming pipe 3 connected with the extrusion pipe 5 is in a closed state, the forming tube 3 and the extrusion tube 5 are provided with six communicating holes 10, the six communicating holes 10 are distributed in an array mode, the forming tube 3 is internally provided with the mounting block 4, and the side end of the mounting block 4 is provided with a threaded hole.

The working principle of the adjustable extrusion molding die for the ultra-high molecular weight polyethylene pipe based on the embodiment 1 is as follows: the utility model discloses in operation, the raw materials after the melting enters into to extruding pipe 5 in through inlet pipe 8, can make axis of rotation 7 rotate through the drive device work in the drive case 9, can extrude the raw materials extrusion in the pipe 5 to the tubular product moulded die intracavity between outer mold pipe 2 and the mandrel post 11 under helical blade 6's cooperation, and the melting raw materials can carry out the shaping in tubular product moulded die intracavity.

Example two

Referring to fig. 1 to 4, the present invention provides an embodiment: compared with the first embodiment, the adjustable extrusion molding die for the ultra-high molecular weight polyethylene pipe further comprises: the outer mould pipe 2 is arranged in the forming pipe 3, a sealing plate 15 is arranged at the tail end of the outer mould pipe 2, a sealing groove 12 is formed in the side end of the sealing plate 15, a rubber ring 13 is arranged in the sealing groove 12, an installation pipe 1 is arranged at the starting end of the outer mould pipe 2, an inner wall of the installation pipe 1 is provided with an inner thread, an outer thread is arranged on the outer surface of the forming pipe 3, the inner thread is matched with the outer thread, the installation pipe 1 is sleeved outside the forming pipe 3, the installation pipe 1 is in threaded connection with the forming pipe 3, a core mould column 11 is arranged in the outer mould pipe 2, an installation head 14 is arranged at the tail end of the core mould column 11, the outer surface of the installation head 14 is provided with a threaded structure, the installation head 14 is in the installation block 4 in a threaded mode, and a pipe forming mould cavity is formed between the outer mould pipe 2 and the core mould column 11.

In this embodiment, the outer mold pipe 2 and the core mold column 11 are both installed in the forming pipe 3 by screw threads, and when polyethylene pipes of different sizes need to be formed, the outer mold pipe 2 and the core mold column 11 are removed by rotation, and the outer mold pipe 2 and the core mold column 11 of different sizes are replaced again, so that the size of the formed pipe can be adjusted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an extrusion moulding mould with adjustable ultra high molecular weight polyethylene tubular product, includes outer mould pipe (2), forming tube (3) and extrudes pipe (5), its characterized in that: the improved extrusion die is characterized in that an inlet pipe (8) is installed at the upper end of the extrusion pipe (5), the inlet pipe (8) is communicated with the extrusion pipe (5), a rotating shaft (7) is installed at the inner part of the extrusion pipe (5), a helical blade (6) is arranged on the rotating shaft (7), the forming pipe (3) is installed at the tail end of the extrusion pipe (5), one end of the forming pipe (3) connected with the extrusion pipe (5) is in a closed state, an installation block (4) is installed in the forming pipe (3), a threaded hole is formed in the side end of the installation block (4), the outer die pipe (2) is arranged in the forming pipe (3), an installation pipe (1) is arranged at the initial end of the outer die pipe (2), the installation pipe (1) is sleeved at the outer side of the forming pipe (3), the installation pipe (1) is in threaded connection with the forming pipe (3), a core die column (11) is arranged in the outer die pipe (2), and a mounting head (14) is installed at the tail end of the core die column (11), the outer surface of the mounting head (14) is provided with a thread structure, and the mounting head (14) is installed in the mounting block (4) in a thread mode.

2. The adjustable extrusion molding die of the ultra-high molecular weight polyethylene pipe material as claimed in claim 1, wherein: the rear end of the extrusion pipe (5) is provided with a driving box (9), driving equipment is arranged in the driving box (9), and a main shaft of the driving equipment is connected with the axis of the rotating shaft (7).

3. The adjustable extrusion molding die of the ultra-high molecular weight polyethylene pipe material as claimed in claim 1, wherein: the feeding pipe (8) is provided with a valve.

4. The adjustable extrusion molding die of the ultra-high molecular weight polyethylene pipe material as claimed in claim 1, wherein: the forming pipe is characterized in that communication holes (10) are formed between the forming pipe (3) and the extrusion pipe (5), six communication holes (10) are formed, and the six communication holes (10) are distributed in an array mode.

5. The adjustable extrusion molding die of the ultra-high molecular weight polyethylene pipe material as claimed in claim 1, wherein: the inner wall of the installation pipe (1) is provided with an internal thread, the outer surface of the forming pipe (3) is provided with an external thread, and the internal thread is matched with the external thread.

6. The adjustable extrusion molding die of the ultra-high molecular weight polyethylene pipe material as claimed in claim 1, wherein: the end of the outer mould pipe (2) is provided with a sealing plate (15), the side end of the sealing plate (15) is provided with a sealing groove (12), and a rubber ring (13) is arranged in the sealing groove (12).

7. The adjustable extrusion molding die of the ultra-high molecular weight polyethylene pipe material as claimed in claim 1, wherein: a pipe forming die cavity is formed between the outer die tube (2) and the core die column (11).