CN214645734U

CN214645734U - Novel pipe extrusion die head

Info

Publication number: CN214645734U
Application number: CN202023225760.2U
Authority: CN
Inventors: 鲍洪东; 罗龙飞; 姜兆巍
Original assignee: Shandong Qizhi Combustion Gas Equipment Manufacturing Co ltd
Current assignee: Shandong Qizhi Combustion Gas Equipment Manufacturing Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-09
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to a novel pipe extrusion die head, which comprises a die sleeve and a die core, wherein the die core and the die sleeve are coaxially arranged on an extruder, a cavity between the die sleeve and the die core is an extrusion channel, the end part of the discharge end of the die sleeve is provided with a first integral ring, the end part of the discharge end of the die core is provided with a second integral ring, and the inner surface of the first integral ring and the outer surface of the second integral ring are used as the extension of the extrusion channel; the first shaping ring and the second shaping ring are both made of steel, and the surface of the first shaping ring and the surface of the second shaping ring are wrapped with a layer of modified silicon resin protective film. The utility model discloses a design a surface cladding respectively at the tip of die sleeve and mold core and have the first shaping ring and the second shaping ring of modified silicone resin protecting film as extruding the extension of passageway, carry out the plastic as the tubular product surface to extruding, guarantee that the tubular product surface of extruding is smooth to improve the surface property of tubular product.

Description

Novel pipe extrusion die head

Technical Field

The utility model relates to a tubular product extrusion moulding technology technical field especially relates to a novel tubular product extrusion die head.

Background

Polyethylene pipe passes through the extruder and installs the extrusion die extrusion on the extruder, and current extrusion die is after long-term the use, because there are impurity such as filth on the surface, perhaps when wearing and tearing, all can cause the influence to the smoothness nature on pipe surface to influence the surface property of tubular product, reduce the production quality of tubular product. Therefore, it is necessary to develop a new pipe extrusion die with good pipe surface forming quality.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides a high-quality novel tubular product extrusion die of tubular product surface molding.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a novel tubular product extrusion die head, includes die sleeve and mold core, the mold core with the die sleeve is installed in the extruder coaxially, the die cavity between die sleeve and the mold core is for extruding the passageway, the tip of the discharge end of die sleeve is equipped with first whole ring, the tip of the discharge end of mold core is equipped with the second whole ring, the internal surface of first whole ring with the surface of second whole ring is as extrude the extension of passageway, promptly: the inner surface of the first shaping ring is coplanar with the inner surface of the die sleeve, and the inner surface of the second shaping ring is coplanar with the outer surface of the model; the first integral ring and the second integral ring are both made of steel, and the surface of the first integral ring and the second integral ring is coated with a layer of modified silicon resin protective film.

In a preferred embodiment of the novel pipe extrusion die head provided by the present invention, the inner surface of the die sleeve is provided with a first positioning groove, and one side of the first integral ring is provided with a first positioning ring matched with the first positioning groove.

The utility model provides a novel tubular product extrusion die's a preferred embodiment, the surface of mold core is equipped with the second constant head tank, one side of second whole ring be equipped with second constant head tank assorted second holding ring.

In the utility model provides a novel tubular product extrusion die's a preferred embodiment, first plastic ring and second plastic ring respectively through screw fixed mounting in die sleeve and mold core.

Compared with the prior art, the utility model provides a novel tubular product extrusion die's beneficial effect is: the utility model discloses a design a surface cladding respectively at the tip of die sleeve and mold core and have the first shaping ring and the second shaping ring of modified silicone resin protecting film as extruding the extension of passageway, carry out the plastic as the tubular product surface to extruding, guarantee that the tubular product surface of extruding is smooth to improve the surface property of tubular product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic view of an installation structure of a preferred embodiment of the novel pipe extrusion die head provided by the present invention;

FIG. 2 is a schematic view of the installation structure of another preferred embodiment of the novel pipe extrusion die provided by the present invention;

FIG. 3 is a right side view of the first positioning ring provided in FIG. 2;

fig. 4 is a right side view of the second retaining ring provided in fig. 2.

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 efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

The novel pipe extrusion die head provided by the embodiment, as shown in fig. 1, includes a die sleeve 10 and a die core 20, the die core 20 and the die sleeve 10 are coaxially installed on an extruder 30, and a cavity between the die sleeve 10 and the die core 20 is an extrusion channel. Specifically, the die sleeve 10 and the die core 20 are both connected to the extruder 30 through bolts, and the installation manner of the die sleeve, the die core and the extruder in this embodiment is the prior art in the field.

In this embodiment, in order to solve the problem of surface quality after extrusion molding of a pipe, a first shaping ring 40 is disposed at an end of a discharge end of the die sleeve 10, a second shaping ring 50 is disposed at an end of a discharge end of the die core 20, and an inner surface of the first shaping ring 40 and an outer surface of the second shaping ring 50 are used as extensions of the extrusion channel, that is: the inner surface of the first integral ring is coplanar with the inner surface of the die sleeve, the inner surface of the second integral ring is coplanar with the outer surface of the model, as shown in figure 1, after the pipe 60 is formed through the extrusion channel between the die sleeve 10 and the die core 20, the first integral ring 40 and the second integral ring 50 are used for surface shaping, and the forming quality of the surface of the pipe is improved.

Preferably, the first and second

integral rings

40 and 50 of the present embodiment are made of steel, and the surface thereof is covered with a modified silicone protective film (not shown). The modified silicone resin is a copolymer with a modified silicone resin network structure, and is characterized in that: the resin has high hardness after film forming, can reach 3-5H without adding filler, has strong adhesive force and better transparency, and is better temperature-resistant protective coating; meanwhile, the paint has the characteristics of high temperature resistance, aging resistance, radiation resistance, wear resistance, extremely strong hydrophobicity and the like.

This embodiment designs a first plastic ring and a second plastic ring that the surface cladding has modified silicone resin protective film as the extension of extruding the passageway through the tip at die sleeve and mold core respectively, and the tubular product surface of guaranteeing to extrude is carried out the plastic as extruding the tubular product surface to improve the surface properties of tubular product.

Specifically, the first shaping ring 40 and the second shaping ring 50 are respectively fixed to the die case 10 and the die core 20 by screws, as shown in fig. 1.

Example two

According to the first embodiment, the inner surface of the die case 10 of the present embodiment is provided with a first positioning groove 102, and one side of the first integral ring 40 is provided with a first positioning ring 402 matching with the first positioning groove 102, as shown in fig. 2 and 3.

The outer surface of the mold core 20 is provided with a second positioning groove 202, and one side of the second integral ring 50 is provided with a second positioning ring 202 matched with the second positioning groove 202, as shown in fig. 2 and 4.

In the embodiment, the first integral ring and the die sleeve as well as the second integral ring and the die core are arranged into positioning and mounting structures, so that the mounting is convenient and quick, and the mounting precision is high; meanwhile, the first positioning ring and the second positioning ring which are respectively designed on the first shaping ring and the second shaping ring shorten the actual extrusion length of the extrusion channel, prolong the shaping length and further improve the surface quality of the pipe.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides a novel tubular product extrusion die head, includes die sleeve and mold core, the mold core with the die sleeve is installed in the extruder coaxially, the die cavity between die sleeve and the mold core is for extruding passageway, its characterized in that:

a first shaping ring is arranged at the end part of the discharge end of the die sleeve, a second shaping ring is arranged at the end part of the discharge end of the die core, and the inner surface of the first shaping ring and the outer surface of the second shaping ring are used as extensions of the extrusion channel;

the first integral ring and the second integral ring are both made of steel, and the surface of the first integral ring and the second integral ring is coated with a layer of modified silicon resin protective film.

2. The novel tube extrusion die of claim 1, wherein: the inner surface of the die sleeve is provided with a first positioning groove, and one side of the first integral ring is provided with a first positioning ring matched with the first positioning groove.

3. A novel tube extrusion die according to claim 1 or 2, characterized in that: the outer surface of the mold core is provided with a second positioning groove, and one side of the second integral ring is provided with a second positioning ring matched with the second positioning groove.

4. The novel tube extrusion die of claim 1, wherein: the first shaping ring and the second shaping ring are fixedly arranged on the die sleeve and the die core through screws respectively.