CN211941997U

CN211941997U - Pipe wall thickness adjusting device

Info

Publication number: CN211941997U
Application number: CN202020034791.0U
Authority: CN
Inventors: 陈厚忠
Original assignee: Wuhan Kingbull Economic Development Co Ltd
Current assignee: Wuhan Kingbull Economic Development Co Ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-11-17
Anticipated expiration: 2030-01-08

Abstract

The utility model provides a pipe wall thickness adjusting device, which comprises a die body, a die sleeve, a core die and a mouth die with a channel; the die body is provided with a first material passing hole, the die sleeve is provided with a through hole, the die body is connected with the die sleeve, the first material passing hole is communicated with the through hole, the core die is inserted into the channel of the mouth die in a penetrating manner, and a gap is formed between the outer wall of the core die and the inner wall of the channel of the mouth die; the mouth mold penetrates through the through hole, a channel of the mouth mold is communicated with the first material passing hole, a plurality of through holes are formed in the mold sleeve, and a fastener penetrates through the through holes to abut against the mouth mold to increase or decrease a gap between the outer wall of the core mold and the inner wall of the channel of the mouth mold.

Description

Pipe wall thickness adjusting device

[ technical field ] A method for producing a semiconductor device

The utility model relates to a tubular product processing technology field especially relates to a tubular product wall thickness adjusting device.

[ background of the invention ]

The consistency of the wall thickness of the pipe during the production of the pipe has a direct relation with the appearance quality of the pipe and the quality of the inner wall of the inner plastic pipe after heating. However, the existing pipe wall thickness adjusting device is difficult to lock due to overlarge pressure of the die, the fastening screw is often loosened, and the consistency of the pipe wall thickness is difficult to ensure.

In view of the above, it is desirable to provide a new wall thickness adjusting device for pipes to overcome the above-mentioned drawbacks.

[ Utility model ] content

The utility model aims at providing a tubular product wall thickness adjusting device is difficult not hard up, and can guarantee the uniformity of shaping tubular product wall thickness.

In order to achieve the above object, the present invention provides a pipe wall thickness adjusting device, which comprises a die body 1, a die sleeve 2, a core die 3 and a mouth die 4 with a channel 41; the die body 1 is provided with a first material passing hole 11, the die sleeve 2 is provided with a through hole 21, the die body 1 is connected with the die sleeve 2, the first material passing hole 11 is communicated with the through hole 21, the core die 3 is inserted into the channel 41 of the mouth die 4, and a gap is formed between the outer wall of the core die 3 and the inner wall of the channel 41 of the mouth die 41; the neck mold 4 passes through the through hole 21, the channel 41 of the neck mold 4 is communicated with the first material passing hole 11, the mold sleeve 2 is provided with a plurality of through holes 22, and a fastener passes through the plurality of through holes 22 to abut on the neck mold 4, so that the gap between the outer wall of the core mold 3 and the inner wall of the channel 41 of the neck mold 4 can be increased or decreased.

In a preferred embodiment, the die body 1 is cylindrical, and the first material passing hole 11 is opened at the center of the die body 1; the die body 1 is further provided with a plurality of screw holes 12, and screws penetrate through the screw holes 12 to fix the die body 1, the die sleeve 2 and the die 4.

In a preferred embodiment, the die case 2 is cylindrical, and the through hole 21 is opened at the center of the die case 2; the die sleeve 2 is further provided with a plurality of counter bores 23, and screws penetrate through the plurality of screw holes 12 and the plurality of counter bores 23 to fix the die body 1, the die sleeve 2 and the die 4.

In a preferred embodiment, said plurality of perforations 22 is uniformly distributed along the radial direction of said die 4.

In a preferred embodiment, the die 4 is "T" shaped and includes an abutment portion 42 and an insertion portion 43 connected to one side of the abutment portion 42; the insertion portion 43 of the die 4 is inserted through the through hole 21, and the contact portion 42 of the die 40 is accommodated in the through hole 21.

In a preferred embodiment, the through hole 21 comprises a first section 211 with a rectangular shape, a second section 212 with a rectangular shape, and a third section 213 with a trapezoidal shape connected between the first section 211 and the second section 212; the first section 211 has a size greater than that of the second section 212.

In a preferred embodiment, a connecting portion 44 is formed at a connection portion between the abutting portion 42 and the insertion portion 43 by bending, the insertion portion 43 of the die 4 is inserted through the second section 212 and the third section 213 of the through hole 21, the abutting portion 42 of the die 4 is housed in the first section 211 of the through hole 21, and the connecting portion 44 is housed in the third section 213.

Compared with the prior art, the utility model provides a pair of tubular product wall thickness adjusting device, beneficial effect lies in, through with the mandrel interlude in the bush and the die sleeve seted up the perforation, passes the perforation butt with the fastener and adjusts the clearance on the bush, and can make the bush difficult not hard up, and can guarantee the uniformity of shaping tubular product wall thickness.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a cross-sectional view of the pipe wall thickness adjusting device provided by the present invention.

FIG. 2 is a top view of the mold body of FIG. 1.

FIG. 3 is a cross-sectional view of the mold body of FIG. 1.

Fig. 4 is a top view of the die case shown in fig. 1.

Fig. 5 is a cross-sectional view of the die case shown in fig. 1.

FIG. 6 is a cross-sectional view of the die shown in FIG. 1.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.

It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The above terms may have the specific meanings given in the present invention to those skilled in the art according to the specific circumstances.

Furthermore, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", may explicitly or implicitly include one or more of that feature. Further, the meaning of "a plurality" or "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 6, the present invention provides a pipe wall thickness adjusting device, which includes a mold body 1, a mold sleeve 2, a core mold 3 and a mouth mold 4 having a channel 41; the die body 1 is provided with a first material passing hole 11 for passing a high molecular solution in a pipe extruder, the die sleeve 2 is provided with a through hole 21, the die body 1 is connected with the die sleeve 2, the first material passing hole 11 is communicated with the through hole 21, the core die 3 is inserted into a channel 41 of the neck die 4, and a gap for passing the high molecular solution is formed between the outer wall of the core die 3 and the inner wall of the channel 41 of the neck die 41; the neck mold 4 passes through the through hole 21, the channel 41 of the neck mold 4 is communicated with the first material passing hole 11, the mold sleeve 2 is provided with a plurality of through holes 22, and a fastener passes through the plurality of through holes 22 to abut on the neck mold 4, so that the gap between the outer wall of the core mold 3 and the inner wall of the channel 41 of the neck mold 4 can be increased or decreased. In this embodiment, the fastener is a screw.

The polymer solution in the pipe extruder passes through the first material passing hole 11, and when the wall thickness of the pipe needs to be reduced, the polymer solution passes through the plurality of through holes 22 and abuts against the mouth mold 4 to gradually reduce the gap formed between the outer wall of the core mold 3 and the inner wall of the channel 41 of the mouth mold 4 through fasteners, so that the wall thickness of the pipe formed when the polymer solution in the pipe extruder passes through the first material passing hole 11 and flows through the gap is gradually reduced; when the wall thickness of the pipe needs to be increased, when the distance between the fastening piece and the mouth mold 4 is gradually increased by loosening the fastening piece, the gap formed between the outer wall of the core mold 3 and the inner wall of the channel 41 of the mouth mold 4 is gradually increased, and thus, the wall thickness of the pipe formed when the first material passing hole 11 through which the polymer solution passes in the pipe extruder flows through the gap is gradually increased. Therefore, the neck ring die 4 is not easy to loose, and the wall thickness consistency of the formed pipe can be ensured.

In one embodiment, the die body 1 is cylindrical, and the first material passing hole 11 is opened at the center of the die body 1; the die body 1 is further provided with a plurality of screw holes 12, and screws penetrate through the screw holes 12 to fix the die body 1, the die sleeve 2 and the die 4 together.

In one embodiment, the die case 2 is cylindrical, and the through hole 21 is opened at the center of the die case 2; the die sleeve 2 is further provided with a plurality of counter bores 23, and screws penetrate through the plurality of screw holes 12 and the plurality of counter bores 23 to fix the die body 1, the die sleeve 2 and the die 4 together.

In one embodiment, the plurality of perforations 22 are evenly distributed along the radial direction of the die case 2.

In one embodiment, the die 4 is "T" shaped and includes an abutment portion 42 and an insertion portion 43 connected to one side of the abutment portion 42; the insertion portion 43 of the die 4 is inserted through the through hole 21, and the contact portion 42 of the die 4 is accommodated in the through hole 21.

In one embodiment, the through hole 21 includes a first section 211 having a rectangular shape, a second section 212 having a rectangular shape, and a third section 213 having a trapezoidal shape and connected between the first section 211 and the second section 212; the first section 211 has a size greater than that of the second section 212.

In one embodiment, the connection portion 44 is formed by bending the connection portion 42 and the insertion portion 43, the insertion portion 43 of the die 4 passes through the second section 212 and the third section 213 of the through hole 21, the connection portion 42 of the die 4 is received in the first section 211 of the through hole 21, and the connection portion is received in the third section 213.

In one embodiment, the abutting portion 42 is provided with a plurality of through holes 421 corresponding to the plurality of counter bores 23, and screws pass through the plurality of screw holes 12, the plurality of counter bores 23, and the plurality of through holes 421 to fix the die body 1, the die sleeve 2, and the die 4 together.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. The pipe wall thickness adjusting device is characterized by comprising a die body (1), a die sleeve (2), a core die (3) and a mouth die (4) with a channel (41); the die body (1) is provided with a first material passing hole (11), the die sleeve (2) is provided with a through hole (21), the die body (1) is connected with the die sleeve (2), the first material passing hole (11) is communicated with the through hole (21), the core die (3) is inserted into the channel (41) of the mouth die (4), and a gap is formed between the outer wall of the core die (3) and the inner wall of the channel (41) of the mouth die (4); the mouth mold (4) penetrates through the through hole (21), a channel (41) of the mouth mold (4) is communicated with the first material passing hole (11), the mold sleeve (2) is provided with a plurality of through holes (22), and a fastener penetrates through the through holes (22) to abut against the mouth mold (4) to increase or reduce a gap between the outer wall of the core mold (3) and the inner wall of the channel (41) of the mouth mold (4).

2. The tube wall thickness adjusting device according to claim 1, wherein the die body (1) is cylindrical, and the first material passing hole (11) is formed in the center of the die body (1); the die body (1) is further provided with a plurality of screw holes (12), and screws penetrate through the screw holes (12) to fix the die body (1), the die sleeve (2) and the die (4).

3. The tube wall thickness adjusting device according to claim 2, wherein the die sleeve (2) is cylindrical, and the through hole (21) is opened at the center of the die sleeve (2); the die sleeve (2) is further provided with a plurality of counter bores (23), and screws penetrate through the screw holes (12) and the counter bores (23) to fix the die body (1), the die sleeve (2) and the die (4).

4. The tube wall thickness adjusting device according to claim 1, wherein the plurality of perforations (22) are uniformly distributed in a radial direction of the die (4).

5. The tube wall thickness adjusting device according to claim 1, wherein the die (4) is "T" shaped and comprises an abutting portion (42) and a penetration portion (43) connected to one side of the abutting portion (42); the insertion portion (43) of the neck ring mold (4) is inserted through the through hole (21), and the abutting portion (42) of the neck ring mold (4) is housed in the through hole (21).

6. The tube wall thickness adjusting device according to claim 5, wherein the through hole (21) comprises a first section (211) with a rectangular shape, a second section (212) with a rectangular shape, and a third section (213) which is connected between the first section (211) and the second section (212) and has a trapezoidal shape; the first section (211) has a size larger than the second section (212).

7. The device for adjusting the wall thickness of a pipe according to claim 6, wherein a connecting portion (44) is formed at the joint of the abutting portion (42) and the insertion portion (43) by bending, the insertion portion (43) of the die (4) is inserted through the second section (212) and the third section (213) of the through hole (21), the abutting portion (42) of the die (4) is received in the first section (211) of the through hole (21), and the connecting portion (44) is received in the third section (213).