CN211334489U

CN211334489U - Novel mould for AGR-X pipe

Info

Publication number: CN211334489U
Application number: CN201922183003.4U
Authority: CN
Inventors: 张岳岐; 李富彬
Original assignee: Chengdu Chuangxing Technology Plastice Indusrty Co ltd
Current assignee: Chengdu Chuangxing Technology Plastice Indusrty Co ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-25
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a novel mould of AGR-X tubular product, including bush, base, bearing, hob, mandrel, the bush is cyclic annular its inside inner chamber that is equipped with, and the bush is fixed on the base, the hob transversely passes in the base stretches into the inner chamber and fixes on the base through the bearing, and the hob is equipped with helical blade on the partial surface in the inner chamber, the mandrel is cylindrical, and the mandrel is arranged in the bush inside and is linked to each other with the hob, is equipped with the sprue on the bush and communicates with the inner chamber. The utility model is flexible and convenient to use, and can conveniently adjust the specification of the pipe forming channel to adapt to the production needs of pipes with different specifications; the extrusion speed can be adjusted according to the requirements of production tasks.

Description

Novel mould for AGR-X pipe

Technical Field

The utility model relates to a tubular product mould technical field, concretely relates to novel mould of AGR-X tubular product.

Background

AGR is used as a novel material, is prepared by fully matching acrylic (acrylic Resin) elastomer of ultrafine particles in polyvinyl chloride molecules in a chemical copolymerization combination mode, is named acrylic acid copolymerized polyvinyl chloride in Chinese and is called acrylic Graft Resin in English. The composite material fully exerts the advantages of two materials, has excellent impact resistance and low temperature resistance (less than or equal to minus 10 ℃) and is called as a plastic steel pipe. The AGR pipe is used as a town water supply network and a water supply pipeline in a building, and is one of the first water supply pipes which are safe, sanitary, stable and reliable. The quality of the novel material completely meets the standard requirement of drinking clean water pipe material required by the world health organization and the Ministry of health of China. The composite pipe has the characteristics of environmental protection, energy conservation, low temperature resistance, corrosion resistance, pressure resistance, high impact resistance, good rigidity, small linear expansion coefficient, reliable connection, convenient installation and maintenance, thin pipe wall, bright and clean inner wall, good sanitary performance, good oxygen insulation performance, long service life, recyclability and the like.

The existing extrusion forming die for the AGR pipe generally comprises a neck die and a core die, and after the materials are mixed and hot-melted in an extruder, the materials enter between the neck die and the core die to extrude the pipe. However, an existing extrusion molding die can only use a mouth die and a core die with certain sizes, the die cannot be adjusted according to the specification of a pipe, the extrusion efficiency is generally constant, and the extrusion speed cannot be adjusted according to production tasks.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a novel mould of AGR-X tubular product can be according to the production task needs, the adjustment extrusion speed.

The utility model adopts the following technical proposal:

the utility model provides a novel mould of AGR-X tubular product, includes bush, base, bearing, hob, mandrel, the bush is cyclic annular its inside inner chamber that is equipped with, and the bush is fixed on the base, the hob transversely passes in the base stretches into the inner chamber and fixes on the base through the bearing, and the hob is equipped with helical blade on the partial surface in the inner chamber, the mandrel is cylindrical, and the mandrel is arranged in inside the bush and is linked to each other with the hob, is equipped with the sprue on the bush and communicates with the inner chamber.

Preferably, the inner wall of the mouth mold and the outer wall of the core mold are both provided with polytetrafluoroethylene coatings.

Preferably, the mouth mold is provided with a pressure gauge and a thermometer.

Preferably, a shock pad is arranged between the mouth mold and the base.

Preferably, the front end of the screw rod is conical, and the size of the helical blade is gradually reduced from the left end to the right end of the screw rod.

Preferably, the core mold has a different cross-sectional diameter at the right end of the screw rod.

Preferably, the left end of the core mould is provided with an end cover.

The utility model has the advantages that:

the utility model is flexible and convenient to use, and can conveniently adjust the specification of the pipe forming channel to adapt to the production needs of pipes with different specifications; the extrusion speed can be adjusted according to the requirements of production tasks.

Drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a schematic view of a cross-sectional mechanism of the core mold and the end cap according to the present invention;

shown in the drawings

1-neck mold, 2-base, 3-bearing, 4-screw rod, 5-pressure gauge, 6-thermometer, 7-sprue, 8-polytetrafluoroethylene coating, 9-helical blade, 10-core mold, 11-inner cavity, 12-shock pad, 13-end cover.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

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

As shown in fig. 1 to 2, a novel AGR-X pipe die comprises a die 1, a base 2, a bearing 3, a screw rod 4 and a core die 10, wherein the die 1 is annular, a cavity is arranged in the die 1 and is an inner cavity 11, the die 1 is fixed on the right end face of the base 2 through a bolt, a shock pad 12 is arranged between the die 1 and the base 2, the screw rod 4 transversely penetrates through the base 2 and extends into the inner cavity 11 and is fixed on the base 2 through the bearing 3, the bearing 3 is embedded in the left end face of the base 2, the bearing 3 is connected with the screw rod 4 through a spline, the screw rod 4 is provided with a screw blade 9 on the outer surface of the inner cavity 11, the front end of the screw rod 4 is conical, and the size of the screw blade 9 gradually decreases from left to right along the axial direction of the screw rod 4, so that the material in the inner cavity 11 is more favorably. The core die 10 is cylindrical, the core die 10 is arranged inside the mouth die 1 and is in threaded connection with the right end face of the screw rod 4, the mouth die 1 is provided with 4 injection ports 7 and is communicated with the inner cavity 11, the injection ports 7 are uniformly arranged along the circumferential direction of the mouth die 1, 4 injection ports 7 in different directions are matched with the rotating screw rod 4 to enable materials of all parts of the pipe to be uniform, the rotating speed of the screw rod 4 is changed by adjusting the speed of a motor, the speed of outwards extruding the materials in the inner cavity 11 can be changed, and therefore production efficiency is improved; the sum of the length of the screw rod 4 in the inner cavity 11 and the length of the core mould 10 is slightly smaller than the axial length of the mouth mould 1, so that the screw rod can be conveniently connected with a mould in the next procedure.

The neck ring mold 1 is provided with a pressure gauge 5 and a temperature gauge 6, and the pressure gauge 5 and the temperature gauge 6 are communicated with the inner cavity 11 and used for monitoring the temperature and the pressure of an injection material in the inner cavity. The left end of the screw rod 4 is connected with a motor, and the motor is a low-rotation-speed motor. The inner wall of the mouth mold 1 and the outer wall of the core mold 10 are both provided with polytetrafluoroethylene coatings 8, and the polytetrafluoroethylene coatings 8 enable the inner surface and the outer surface of the pipe to be smooth and flat.

The section diameter of the core mold 10 may be larger than the section diameter of the front end of the screw rod 4 or smaller than the section diameter of the front end of the screw rod 4; when the section diameter of the core die 10 is different from that of the front end of the spiral rod 4, an end cover 13 is arranged at the joint of the left end of the core die 10 and the spiral rod 4, the end cover 13 is cylindrical, the section diameter of one end of the end cover 13 is smaller than that of the other end of the end cover 13, and when the section diameter of the core die 10 is larger than that of the front end of the spiral rod 4, the end with the larger section diameter of the end cover 13 is connected to the left end surface of the core die 10 through threads, as shown in fig. 2, the diameter of the end with the larger section diameter of the end cover 13 is the same as that of the core die 10; when the section diameter of the core mold 10 is smaller than the section diameter of the front end of the screw rod 4, the end with the larger section diameter of the end cover 13 is connected to the right end face of the screw rod 4 by screw threads, and the diameter of the end with the larger section diameter of the end cover 13 is the same as the section diameter of the right end face of the screw rod 4. Thus, the connection between the end cap 13 and the screw rod 4 or the core mold 10 is more tightly connected, and the material can be effectively prevented from entering the gap at the connection.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a novel mould of AGR-X tubular product, its characterized in that, includes bush (1), base (2), bearing (3), hob (4), mandrel (10), bush (1) is cyclic annular inside and is equipped with an inner chamber (11), and bush (1) is fixed on base (2), hob (4) transversely pass base (2) and stretch into in inner chamber (11) and fix on base (2) through bearing (3), and hob (4) are equipped with helical blade (9) on the partial surface in the inner chamber, mandrel (10) are cylindrical, and inside and continuous with hob (4) of bush (1) are arranged in to mandrel (10), are equipped with sprue (7) on bush (1) and communicate with inner chamber (11).

2. The novel AGR-X pipe die as claimed in claim 1, wherein the inner wall of the die (1) and the outer wall of the core die (10) are both provided with a polytetrafluoroethylene coating (8).

3. The novel AGR-X pipe die as claimed in claim 1, wherein the die (1) is provided with a pressure gauge (5) and a temperature gauge (6).

4. The novel AGR-X pipe die as claimed in claim 1, wherein a shock pad (12) is arranged between the die (1) and the base (2).

5. The novel AGR-X pipe die as claimed in claim 1, wherein the front end of the screw rod (4) is conical, and the size of the helical blade (9) is gradually reduced from the left end to the right end of the screw rod (4).

6. The novel AGR-X pipe die as claimed in claim 1, wherein the core die (10) has a different cross-sectional diameter at the right end of the screw rod (4).

7. The novel AGR-X pipe die as claimed in claim 6, wherein the core die (10) is provided with an end cap (13) at the left end.