阅读说明：本技术 一种异型管及其生产工艺 (Special pipe and production process thereof ) 是由 张健状 徐连峰 宋政权 于 2021-08-17 设计创作，主要内容包括：本发明涉及异型管加工技术领域,具体为一种异型管及其生产工艺,包括：变径工装,所述变径工装呈圆锥形；变径管,所述变径管由塑料制成,所述变径工装连接在所述变径管的一端；配重件,所述配重件连接在所述变径管远离所述变径工装的一端；热塑箱,所述变径管通过所述变径工装与所述热塑箱内的工具车连接。该种异型管生产工艺以普通塑料管为原料生产变径管,该生产工艺利用了塑料的热塑性的材料特征,通过变径工装夹具和热塑箱配合使用,可实现塑料变径管的生产,而且可根据需要做出任意形状的变径管；此工艺方法简单实用,变径工装可根据实际需要制作,生产各种各样的变径管,热塑箱设备投入小,是一种适高效实用的变径管生产工艺。(The invention relates to the technical field of special pipe processing, in particular to a special pipe and a production process thereof, wherein the production process comprises the following steps: the reducing tool is conical; the reducer pipe is made of plastics, and the reducing tool is connected to one end of the reducer pipe; the counterweight is connected to one end, far away from the reducing tool, of the reducing pipe; and the diameter-changing pipe is connected with the tool car in the thermoplastic box through the diameter-changing tool. The production process of the special pipe takes a common plastic pipe as a raw material to produce the reducer pipe, utilizes the thermoplastic material characteristics of plastics, can realize the production of the plastic reducer pipe by matching the reducer tool clamp and the thermoplastic box, and can manufacture the reducer pipe with any shape according to the requirement; the process method is simple and practical, the reducing tool can be manufactured according to actual needs to produce various reducing pipes, the thermoplastic box equipment investment is low, and the process is suitable for efficient and practical production of the reducing pipes.)

1. A profile tube comprising, characterized in that it comprises:

the variable-diameter tool (1), wherein the variable-diameter tool (1) is conical;

the reducer comprises a reducer pipe (2), wherein the reducer pipe (2) is made of plastic, and a reducer tool (1) is connected to one end of the reducer pipe (2);

the counterweight (3) is connected to one end, far away from the reducing tool (1), of the reducing pipe (2);

the reducing pipe (2) is connected with a tool car in the thermoplastic box (4) through the reducing tool (1).

2. A process according to claim 2, wherein:

inside bleeder vent (11) that is provided with of reducing frock (1) for prevent to lead to because of gas expansion reducing pipe (2) are out of shape at the hot in-process of moulding, do benefit to the drawing of patterns simultaneously.

3. A production process of a special pipe is characterized by comprising the following steps:

s1, reserving process allowance on the straight pipe, cutting the straight pipe to a required length, sleeving the straight pipe into a designed and processed reducing tool (1) by using a matched tool or a specific lubricant, and connecting the other end of the reducing pipe (2) with a counterweight (3);

s2, connecting the reducing tool (1) sleeved with the reducing pipe (2) on a tool car and pushing the reducing tool into a thermoplastic box (4), setting a thermoplastic temperature change curve according to a material physical property table, keeping the reducing pipe (2) in the thermoplastic box (4) for a period of time, setting the thermoplastic box (4) according to a thermoplastic process, and simultaneously matching with circulating air in the box to enable the reducing pipe (2) to be subjected to plastic deformation to finish reducing;

and S3, pushing the tool car out after the plasticity is finished, placing the tool car in a ventilation environment, naturally and plastically shaping, and releasing the reducer pipe (2) from the reducer tool (1) after the shaping is finished to finish the thermoplastic process of the reducer pipe (2).

4. A process according to claim 3, wherein:

in the step S2, the thermoplastic time of the reducer pipe (2) in the thermoplastic box (4) is 10-30 min.

Technical Field

The invention relates to the technical field of special pipe processing, in particular to a special pipe and a production process thereof.

Background

When the disposable sterile endoscope pipe sleeve is applied to endoscope detection, cross infection caused by endoscope detection can be effectively isolated, the pipe sleeve simultaneously meets the requirement of adapting to a lens of an endoscope and is convenient for inserting and matching a mirror, and the special requirement of the structure of the hose of the pipe sleeve is that an opening at one end is large, the insertion of the mirror is convenient, and an opening at the other end is small so as to adapt to the lens part of the endoscope. However, the traditional extrusion process in the market can only produce pipes with equal diameters, and the hot pressing process can form the reducer pipe by laminating single films, but hot pressing line marks exist, so that the hidden danger risk of damaging the natural cavity of a human body exists, and the risk of cross infection caused by cracking also exists.

In order to solve the problems, the invention provides an improvement to the production process of the special pipe.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention provides a profile tube comprising: the reducing tool is conical; the reducer pipe is made of plastics, and the reducing tool is connected to one end of the reducer pipe; the counterweight is connected to one end, far away from the reducing tool, of the reducing pipe; and the diameter-changing pipe is connected with the tool car in the thermoplastic box through the diameter-changing tool.

As a preferable technical scheme of the invention, the air holes are formed in the reducing tool and used for preventing the reducing pipe from deforming in the thermoplastic process due to gas expansion and facilitating demoulding.

A production process of a special pipe comprises the following steps:

s1, reserving process allowance on the straight pipe, cutting the straight pipe to a required length, sleeving the straight pipe into a designed and processed reducing tool by using a matched tool or a specific lubricant, and connecting the other end of the reducing pipe with a counterweight;

s2, connecting the reducing tool sleeved with the reducing pipe on a tool car and pushing the reducing tool into a thermoplastic box, setting a thermoplastic temperature change curve according to a material property table, keeping the reducing pipe in the thermoplastic box for a period of time, setting the thermoplastic box according to a thermoplastic process, and enabling the reducing pipe to generate plastic deformation by matching with circulating air in the thermoplastic box to finish reducing;

and S3, pushing the tool car out after the plasticity is finished, placing the tool car in a ventilation environment, naturally and plastically shaping, and removing the reducer pipe from the reducer tool after the shaping is finished to finish the thermoplastic process of the reducer pipe.

In a preferred embodiment of the present invention, in S2, the thermoplastic time of the reducer pipe in the thermoplastic box is 10 to 15 min.

The invention has the beneficial effects that: the special pipe and the production process thereof utilize the plastic characteristics of plastics, can realize the production of most of plastic reducer pipes, and can produce reducer pipes with any shapes according to the needs.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a special pipe and a diameter-reducing tool in the production process of the special pipe;

FIG. 2 is a cross-sectional view of a special pipe and a diameter-reducing tool in the production process of the special pipe;

FIG. 3 is a schematic structural diagram of a special pipe and a reducer pipe in the production process of the special pipe;

fig. 4 is a schematic view of a profile tube and a thermoplastic tank for the process for producing the same according to the invention.

In the figure: 1. a reducing tool; 11. air holes are formed; 2. a reducer pipe; 3. a counterweight; 4. a thermoplastic tank.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1 to 4, a profile tube comprises:

reducing frock 1, reducing frock 1 is conical, 1 inside bleeder vent 11 that is provided with of reducing frock is used for preventing to lead to because of gas expansion the reducer pipe 2 is out of shape at the hot in-process of moulding, does benefit to the drawing of patterns simultaneously.

The reducer pipe 2 is made of plastics, and the reducing tool 1 is connected to one end of the reducer pipe 2.

And the counterweight 3 is connected with one end, far away from the reducing tool 1, of the reducing pipe 2.

And the diameter-changing pipe 2 is connected with a tool car in the thermoplastic box 4 through the diameter-changing tool 1.

A production process of a special pipe comprises the following steps:

firstly, reserving process allowance on a straight pipe, cutting the straight pipe to a required length, sleeving the straight pipe into a designed and processed reducing tool 1 by using a matched tool or a specific lubricant, and connecting the other end of the reducing pipe 2 with a counterweight 3.

Then, the reducing tool 1 sleeved with the reducing pipe 2 is connected to a tool car and pushed into the thermoplastic box 4, and a thermoplastic temperature change curve is set according to a material physical property table, so that the reducing pipe 2 is kept in the thermoplastic box 4 for 10-30 min. The thermoplastic box 4 is set according to the thermoplastic process, and is matched with circulating air in the box to enable the reducing pipe 2 to generate plastic deformation so as to finish reducing.

And finally, after the plasticity is finished, pushing out the tool car, placing the tool car in a ventilation environment, naturally and plastically shaping, and after the shaping is finished, releasing the reducer pipe 2 from the reducer tool 1 to finish the thermoplastic process of the reducer pipe 2.

In conclusion, the invention can realize the production of most plastic reducer pipes 2 by utilizing the plastic characteristics of plastics, and the reducer pipes 2 with any shapes can be manufactured according to the requirements, the process method is simple, the reducer tool 1 can be manufactured according to the actual requirements, the thermoplastic box 4 has small equipment investment, and the process is a production process of the reducer pipes 2 suitable for enterprises.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.