阅读说明：本技术 塑料电熔管件电热丝热熔装配布置法 (Hot melting assembly arrangement method for heating wire of plastic electric melting pipe fitting ) 是由 杨庆兵 张龙 于 2020-05-30 设计创作，主要内容包括：本申请公开了一种塑料电熔管件电热丝热熔装配布置法,包括：提供一个公母热熔模具,公母热熔模具的两端设有与管件内壁塑料层及模芯外壁套接的第一圆筒和第二圆筒；对公母热熔模具进行预加热；将管件内壁和外壁均匀缠绕电热丝的模芯分别插入热熔模具公母两端,待吸热充分后,拔出管件和模芯进行承插。该方法通过分别对电热丝外塑层表面及管件的内表面进行局部加热,再进行快速插接融合的方法。此工艺避免了传统电熔注塑管件成型后尺寸收缩引起的电热丝翘曲和注塑过程中的电热丝的错乱游动,保证电热丝均匀自由布置在管件的内壁,提高管件产品电性能的可靠性。(The application discloses plastics electric smelting pipe fitting heating wire hot melt assembly arranges method includes: providing a male and female hot melting die, wherein a first cylinder and a second cylinder which are sleeved with a pipe fitting inner wall plastic layer and a die core outer wall are arranged at two ends of the male and female hot melting die; preheating the male and female hot melting molds; and respectively inserting the mold cores on which the heating wires are uniformly wound on the inner wall and the outer wall of the pipe fitting into the two ends of the male mold and the female mold of the hot melting mold, and after the heat is sufficiently absorbed, pulling out the pipe fitting and the mold cores for socket joint. The method comprises the steps of respectively heating the surface of the outer plastic layer of the electric heating wire and the inner surface of the pipe fitting locally, and then carrying out rapid splicing fusion. The process avoids the warpage of the heating wire and the disordered movement of the heating wire in the injection molding process caused by the size shrinkage of the traditional electric melting injection molding pipe fitting after molding, ensures that the heating wire is uniformly and freely arranged on the inner wall of the pipe fitting, and improves the reliability of the electric performance of the pipe fitting product.)

1. A hot melting assembly arrangement method for an electric heating wire of a plastic electric melting pipe fitting is characterized in that: the method comprises the following steps: providing a male and female hot melting die, wherein a first cylinder and a second cylinder which are sleeved with a pipe fitting inner wall plastic layer and a die core outer wall are arranged at two ends of the male and female hot melting die; preheating the male and female hot melting molds; and respectively inserting the mold cores on which the heating wires are uniformly wound on the inner wall and the outer wall of the pipe fitting into the two ends of the male mold and the female mold of the hot melting mold, and after the heat is sufficiently absorbed, pulling out the pipe fitting and the mold cores for socket joint.

Technical Field

The application relates to the field of pipe fittings, in particular to a hot melting assembly arrangement method for heating wires of plastic electric melting pipe fittings.

Background

At present, when the composite pipe is assembled in a hot-melt pipe fitting, the hot-melt pipe fitting is assembled in a mode of recooling after being generally heated integrally, so that the phenomenon of expansion with heat and contraction with cold is caused in the assembling process of the hot-melt pipe fitting, and the quality of the composite pipe is influenced.

Disclosure of Invention

The invention aims to provide a hot melting assembly arrangement method for an electric heating wire of a plastic electric melting pipe fitting, so as to overcome the defects in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the embodiment of the application discloses plastics electric smelting pipe fitting heating wire hot melt assembly arranges method, its characterized in that: the method comprises the following steps: providing a male and female hot melting die, wherein a first cylinder and a second cylinder which are sleeved with a pipe fitting inner wall plastic layer and a die core outer wall are arranged at two ends of the male and female hot melting die; preheating the male and female hot melting molds; and respectively inserting the mold cores on which the heating wires are uniformly wound on the inner wall and the outer wall of the pipe fitting into the two ends of the male mold and the female mold of the hot melting mold, and after the heat is sufficiently absorbed, pulling out the pipe fitting and the mold cores for socket joint.

Compared with the prior art, the invention has the advantages that:

the process avoids the warpage of the heating wire and the disordered movement of the heating wire in the injection molding process caused by the size shrinkage of the traditional electric melting injection molding pipe fitting after molding, ensures that the heating wire is uniformly and freely arranged on the inner wall of the pipe fitting, and improves the reliability of the electric performance of the pipe fitting product.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an apparatus for hot-melting and assembling an electric heating wire of a plastic electrofusion pipe in an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1, the arrangement method for hot-melting and assembling the heating wires of the plastic electrofusion pipe in the embodiment includes: providing a male and female hot melting die 1, wherein a first cylinder 101 and a second cylinder 102 which are sleeved with a plastic layer on the inner wall of the pipe fitting 2 and the outer wall of the die core 3 are arranged at two ends of the male and female hot melting die 1; preheating the male and female hot melting molds 1; and respectively inserting the mold cores 3 on which the electric heating wires 4 are uniformly wound on the inner wall and the outer wall of the pipe fitting 2 into the two ends of the male mold and the female mold 1 of the hot melting mold, and after the heat is sufficiently absorbed, pulling out the pipe fitting 2 and the mold cores 3 for socket joint.

In the technical scheme, the process avoids the warpage of the heating wire and the disordered movement of the heating wire in the injection molding process caused by the size shrinkage of the traditional electric melting injection molding pipe fitting after molding, ensures that the heating wire is uniformly and freely arranged on the inner wall of the pipe fitting, and improves the reliability of the electric performance of the pipe fitting product.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a detailed description of the present application, and it should be noted that modifications and embellishments could be made by those skilled in the art without departing from the principle of the present application, and these should also be considered as the protection scope of the present application.