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Manufacturing method of air-blowing pipeline

A manufacturing method and technology of air-blown pipes, applied in the direction of tubular objects, applications, coatings, etc., can solve the problems of not producing air-blown pipes, etc., and achieve the effect of good effect, simple manufacturing method, and excellent anti-twist performance

Active Publication Date: 2016-03-02
南通市水利勘测设计研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are no effective reports on the production of air-blown pipeline systems at home and abroad, so the industry expects the emergence of related systems

Method used

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  • Manufacturing method of air-blowing pipeline
  • Manufacturing method of air-blowing pipeline
  • Manufacturing method of air-blowing pipeline

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] please see Figure 1 to Figure 7 , figure 1 and figure 2 Among them, the air blowing pipe is composed of the air blowing pipe body 5, the air blowing pipe convex body 221, and the air blowing pipe diversion groove 211. The air blowing pipe convex body and the air blowing pipe diversion groove are located above the air blowing pipe body and distributed at intervals. The body is protruding from the diversion groove of the air blowing pipe, and the lower surface of the air blowing pipe body is a plane; the convex body of the air blowing pipe is in the shape of a triangular prism, and the diversion groove of the air blowing pipe is in the shape of a trapezoidal cylinder.

[0032] image 3 and Figure 4 Among them, the air blowing pipe is composed of the air blowing pipe body 5, the air blowing pipe convex body 221, and the air blowing pipe diversion groove 211. The air blowing pipe convex body and the air blowing pipe diversion groove are located above the air blowing p...

Embodiment 2

[0045] please see Figure 8 to Figure 9 , and refer to Figure 1 to Figure 7 , a system for manufacturing air-blown pipes for cables, same as implementation example 1. The difference lies in the manufacturing method of the air blowing pipe. In the first step, the flat air blowing pipe body is slightly folded in half toward the direction with the air blowing pipe convex body and the air blowing pipe diversion groove, and then the air blowing pipe body is inserted into the closing channel. Then pass through the hole inside the shaping tube, then pass through the core hole and pull the air blowing pipe body, and make the plunger inside the air blowing pipe body, so that the two sides of the air blowing pipe body at the shaping end are connected at the shaping groove. The groove is heated by hot air with a hot air gun, so that the butt joints are bonded together to form a rib 6 protruding from the lower surface of the air blowing pipe body; the second step is to open the extruder...

Embodiment 3

[0049] please see Figure 10 , and refer to Figure 1 to Figure 9 , a system for manufacturing air-blown pipes for cables, same as implementation example 1. One of the differences lies in the system: a binding device is installed between the shaping end 101 and the extruder head 131. Since the binding device is the existing cable processing technology, especially the common technology of the yarn binding machine in the SZ twisted cable, Therefore, it is not drawn on the diagram.

[0050] According to the difference from the above systems, the second difference lies in the manufacturing method of the air blowing pipe: before the air blowing pipe body enters the core hole 132 of the extruder head, a binding element 9 is bound outside the blowing pipe body.

[0051] The binding element can effectively prevent the main body of the air blowing pipe from being scattered. At the same time, in the slightly melted state of the main body of the air blowing pipe, the binding element is...

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Abstract

The invention belongs to the pipeline technical field and relates to a manufacturing method of an air-blowing pipeline. The manufacturing method comprises the following steps that: first step, a flat and straight air-blowing pipe body is folded, the air-blowing pipe body passes through an opening narrowing channel, and then passes through a hole in a shaping pipe, and further passes through a mold core hole, and the air-blowing pipe body is pulled, and a plunger is located inside the air-blowing pipe body, and the joint of two sides of the air-blowing pipe body at a shaping end is located at a shaping groove and is heated, so that a protruding rib can be formed; and second step, a plastic extruding machine is started, and plastic enters a space between the mold core and the mold sleeve of the head of the plastic extruding machine, and an upper outer pipe body is formed at the exterior of the air-blowing pipe body through extrusion, and a traction system pulls the outer pipe body to enter a cooling system, so that the air-blowing pipeline can be formed. According to the manufacturing method of the air-blowing pipeline, a system of an air-blowing pipeline for manufacturing cables is adopted. The manufacturing method adopts a simple system, is low in cost and is easy to master, and has simplicity. The air-blowing pipeline manufactured by adopting the method has excellent anti-torsion and anti-bending performance.

Description

[0001] This application is a divisional application for an invention patent titled: A system and manufacturing method for manufacturing air-blown pipes for cables, with an application date of May 26, 2014 and an application number of 2014102244405. technical field [0002] The invention belongs to the technical field of pipes, and in particular relates to a system and a manufacturing method for manufacturing air-blown pipes for cables. Background technique [0003] With the rapid development of electric power, communication and other industries, more and more cables are laid. On the one hand, because a large number of cables were laid overhead, the cables in the sky are very messy, which affects the appearance of the city. , has brought great potential safety hazards; for this reason, the country has promulgated corresponding laws, regulations and instructions, and the cables need to be laid in the ground. Cables are laid underground mainly through pipes and direct burial. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/52H02G1/08B29C48/09B29C48/06B29C48/355B29C48/92
CPCG02B6/52H02G1/08B29C48/92B29C48/09B29C48/9115B29C48/355B29C48/025B29C48/001B29C48/151G02B6/4459B29L2023/22B29C2948/92704B29C48/06B29C48/913
Inventor 沈群华
Owner 南通市水利勘测设计研究院有限公司
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