阅读说明：本技术 一种pe板材的电热熔套连接管件及制备工艺 (Electric hot-melting sleeve connecting pipe fitting of PE (polyethylene) plate and preparation process ) 是由 郑中胜 郎魁元 张国玉 于海新 谢国英 高义杨 于 2019-09-22 设计创作，主要内容包括：本发明公开了一种PE板材的电热熔套连接管件及制备工艺,包括PE板材,所述PE板材的内侧面通过热压预埋安装有电热丝,所述PE板材的一侧面设置有安装孔,所述安装孔内安装有接电端子,所述接电端子与电热丝电连接,所述安装孔的开口内卡装有密封塞；本发明在电热熔套的接合端面设置有连接卡合机构,使电热熔套在安装使用时可通过连接卡合机构实现首尾卡和连接,无需再使用呢绒扣带和不锈钢扣带收覆包紧,大大提高了管道连接效率,且接合端面通过连接卡合机构连接后,可增加接缝处的紧密性,防止接缝处开漏。(The invention discloses an electric melting sleeve connecting pipe fitting of a PE (polyethylene) plate and a preparation process, and the electric melting sleeve connecting pipe fitting comprises the PE plate, wherein an electric heating wire is pre-embedded in the inner side surface of the PE plate through hot pressing, an installation hole is formed in one side surface of the PE plate, an electric connection terminal is installed in the installation hole and is electrically connected with the electric heating wire, and a sealing plug is clamped in an opening of the installation hole; the connecting and clamping mechanism is arranged on the joint end face of the electric hot melting sleeve, so that the electric hot melting sleeve can be clamped and connected end to end through the connecting and clamping mechanism when being installed and used, the woolen cloth buckle belt and the stainless steel buckle belt are not required to be used for covering and tightly wrapping, the pipeline connecting efficiency is greatly improved, and after the joint end face is connected through the connecting and clamping mechanism, the tightness of a joint can be improved, and the joint is prevented from being opened and leaked.)

1. The utility model provides a pipe fitting is connected to electrothermal welding cover of PE panel, includes PE panel (1), its characterized in that, the medial surface of PE panel (1) installs heating wire (2) through hot pressing pre-buried, a side of PE panel (1) is provided with the mounting hole, install electrical connection terminal (3) in the mounting hole, electrical connection terminal (3) are connected with heating wire (2) electricity, the inside callipers of opening of mounting hole has sealing plug (4).

2. The connecting pipe fitting of the electrothermal welding sleeve of the PE plate material according to claim 1, wherein the electrothermal wires (2) are pre-embedded in the PE plate material (1) in a grid shape.

3. the connecting pipe of the electric melting sleeve of PE plate as claimed in claim 1, wherein the electric terminals (3) are located on the side edge of the PE plate (1).

4. a preparation process of an electrothermal welding sleeve connecting pipe fitting of a PE plate is characterized by comprising the following steps:

plate preparation: the PE material is injected through an injection mold to form a PE plate (1);

Bending: bending the PE plate (1) by using a bending machine, so that the PE plate (1) can be bent at will and connected end to form a connecting pipe fitting;

covering a net: pressing an electric heating wire (2) formed by a nichrome mesh into the inner side surface of the PE plate (1) through a hot press, wherein the pressing depth is 1-2mm, and only heating a sleeve if the mesh is covered too deeply, but not heating a pipeline needing to be connected; if the covering net is too shallow, the sleeve is easy to fall off when being bent;

Rolling: winding the processed finished product into a cylinder shape through a rolling machine, so that the packaging and the opposite side are convenient;

pipe connection: removing mud and dirt at the joint parts of the two pipes to be treated, placing an electric hot melting sleeve in the middle of the joint, and ensuring that the electric heating wire (2) is placed on the outer sleeve; overlapping the electric melting sleeves, placing a pressing plate at the large longitudinal seam of the electric melting sleeves to ensure that the overlapped parts of the interfaces are in close contact, and tightly and firmly tightening electric heating ratio parts at two ends in the electric melting sleeves by using a packing belt without loosening; connecting an electric heating wire (2) on the electric melting sleeve with the output end of the control box through an electric connection terminal (3), starting a switch, and setting voltage and electrifying time according to a specification reference table; when the melted polyethylene overflows from the edge of the joint, the power supply is cut off or the power supply is automatically cut off; and then, according to the situation of the on-site environment, the electric hot melting socket needs 20-30 minutes for natural cooling, and then the packing belt and the pressing plate are dismounted.

Technical Field

The invention relates to a connecting pipe fitting, in particular to an electrothermal welding sleeve connecting pipe fitting of a PE plate and a preparation process thereof.

Background

The pipeline connection means that the prefabricated pipe sections are connected into a complete system according to the requirements of design drawings. In construction, different connection methods should be selected according to the material of the used pipe. In the pipeline engineering construction, different connection methods should be selected according to the material of the used pipes. The common steel pipe is connected with a flange plate through a threaded connection and a welding connection; the seamless steel pipe, the nonferrous metal and the stainless steel pipe are mostly welded and connected with a flange; the cast iron pipes are connected by socket joints, and a small number of cast iron pipes are connected by flanges; the plastic pipe is mainly connected by threads, bonding, hot melting and the like, and other nonmetal pipes are connected in various forms.

the existing pipeline connecting piece often has the problems of poor sealing performance, easy leakage, corrosion and the like.

Disclosure of Invention

in order to overcome the defects of the prior art, the invention provides the electric hot-melting sleeve connecting pipe fitting of the PE plate, which has the advantages of good sealing performance, firm connecting part, high tensile strength, high bearing capacity of large shearing force, strong environmental adaptability and the like.

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

the utility model provides a pipe fitting is connected to electrothermal welding cover of PE panel, includes the PE panel, the medial surface of PE panel installs the heating wire through hot pressing is pre-buried, a side of PE panel is provided with the mounting hole, install the electrical connection terminal in the mounting hole, electrical connection terminal is connected with the heating wire electricity, the sealing plug is equipped with to the card in the opening of mounting hole.

as a preferred technical scheme of the invention, the electric heating wires are pre-embedded and arranged in the PE plate in a grid shape.

As a preferred technical scheme of the invention, the electric terminals are positioned on the side edge of the PE plate.

A preparation process of an electrothermal welding sleeve connecting pipe fitting of a PE plate comprises the following steps:

Plate preparation: injecting the PE material through an injection mold to form a PE plate;

bending: bending the PE plate by using a bending machine, so that the PE plate can be bent at will and connected end to form a connecting pipe fitting;

Covering a net: pressing an electric heating wire formed by a nichrome mesh into the inner side surface of the PE plate through a hot press, wherein the pressing depth is 1-2mm, and only heating the sleeve if the mesh is covered too deeply, but not heating the pipeline to be connected; if the covering net is too shallow, the sleeve is easy to fall off when being bent;

rolling: winding the processed finished product into a cylinder shape through a rolling machine, so that the packaging and the opposite side are convenient;

pipe connection: removing mud and dirt at the joint parts of the two pipes to be treated, placing an electric hot melting sleeve in the middle of the joint, and ensuring that an electric heating wire is placed on the outer sleeve; overlapping the electric melting sleeves, placing a pressing plate at the large longitudinal seam of the electric melting sleeves to ensure that the overlapped parts of the interfaces are in close contact, and tightly and firmly tightening electric heating ratio parts at two ends in the electric melting sleeves by using a packing belt without loosening; connecting an electric heating wire on the electric melting sleeve with the output end of the control box through an electric connection terminal, starting a switch, and setting voltage and electrifying time according to a specification reference table; when the melted polyethylene overflows from the edge of the joint, the power supply is cut off or the power supply is automatically cut off; and then, according to the situation of the on-site environment, the electric hot melting socket needs 20-30 minutes for natural cooling, and then the packing belt and the pressing plate are dismounted.

Compared with the prior art, the invention can achieve the following beneficial effects:

The electric hot melting sleeve is used as a connecting pipe fitting, the electric hot melting sleeve is a connecting pipe fitting formed by embedding a special electric hot wire net into a high-quality PE plate through heat seal, a molten substance can be formed between the electric hot melting sleeve and the pipe fitting during power-on connection, molecules can permeate and diffuse mutually, and therefore a firm combination body can be formed after cooling, and the electric hot melting sleeve connection has the advantages of good sealing performance, firm connection part, high tensile strength, high bearing shearing force, strong environmental adaptability and the like.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional view of the invention after deployment;

Wherein: 1. PE sheet material; 2. an electric heating wire; 3. an electric terminal is connected; 4. and (4) sealing the plug.

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.

Referring to fig. 1-2, an electric hot-melt sleeve connecting pipe fitting for a PE plate includes a PE plate 1, and is characterized in that an electric heating wire 2 is pre-embedded in the inner side of the PE plate 1 through hot pressing, a mounting hole is formed in one side of the PE plate 1, an electric connection terminal 3 is mounted in the mounting hole, the electric connection terminal 3 is electrically connected to the electric heating wire 2, and a sealing plug 4 is clamped in an opening of the mounting hole.

Wherein, heating wire 2 is latticed pre-buried and installs in PE panel 1, can play the effect that adds the muscle steel wire, improves the toughness of connecting piece.

the electric connection terminal 3 is located on the side edge of the PE plate 1, so that when the PE plate 1 is connected end to form a pipe, the electric connection terminal 7 is located at the port of the pipe, and the electric connection is facilitated.

A preparation process of an electrothermal welding sleeve connecting pipe fitting of a PE plate comprises the following steps:

Plate preparation: the PE material is injected by an injection mold to form a PE plate 1;

Bending: bending the PE plate 1 by using a bending machine, so that the PE plate 1 can be bent at will and connected end to form a connecting pipe fitting;

Covering a net: pressing an electric heating wire 2 formed by a nichrome mesh into the inner side surface of the PE plate 1 through a hot press, wherein the pressing depth is 1-2mm, and only heating a sleeve if the mesh is covered too deeply, but not heating a pipeline to be connected; if the covering net is too shallow, the sleeve is easy to fall off when being bent;

Rolling: winding the processed finished product into a cylinder shape through a rolling machine, so that the packaging and the opposite side are convenient;

pipe connection: removing mud and dirt at the joint parts of the two pipes to be treated, placing an electric hot melting sleeve in the middle of the joint, and ensuring that the electric heating wire 2 is placed on the outer sleeve; overlapping the electric melting sleeves, placing a pressing plate at the large longitudinal seam of the electric melting sleeves to ensure that the overlapped parts of the interfaces are in close contact, and tightly and firmly tightening electric heating ratio parts at two ends in the electric melting sleeves by using a packing belt without loosening; connecting an electric heating wire 2 on the electric hot melting sleeve with the output end of the control box through an electric connection terminal 3, starting a switch, and setting voltage and electrifying time according to a specification reference table; when the melted polyethylene overflows from the edge of the joint, the power supply is cut off or the power supply is automatically cut off; and then, according to the situation of the on-site environment, the electric hot melting socket needs 20-30 minutes for natural cooling, and then the packing belt and the pressing plate are dismounted.

the embodiments of the present invention are not limited thereto, and according to the above-described embodiments of the present invention, other embodiments obtained by modifying, replacing or combining the above-described preferred embodiments in various other forms without departing from the basic technical idea of the present invention by using the conventional technical knowledge and the conventional means in the field can fall within the scope of the present invention.