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Online two-way stretching device of plastic pipes

A biaxial stretching and plastic pipe technology, applied in the field of plastic processing equipment, can solve the problems of expensive equipment, complicated equipment and process, etc., and achieve the effect of simple structure, improved efficiency and uniform temperature

Active Publication Date: 2015-08-12
RIFENG ENTERPRISE FOSHAN CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, regardless of whether the medium is hot air or hot water, due to the high pressure, there is a sealing problem for the high-pressure medium, and a super-heavy tractor with a very high traction force is required, the equipment and process are complicated, and the equipment price is also very expensive.

Method used

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  • Online two-way stretching device of plastic pipes
  • Online two-way stretching device of plastic pipes
  • Online two-way stretching device of plastic pipes

Examples

Experimental program
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Effect test

Embodiment

[0018] refer to Figure 1-2 , an online bidirectional stretching device for plastic pipes, including a die 1, a mandrel 2 and an annular flow channel 3 between the die 1 and the mandrel 2 arranged on the extrusion die, and it is also provided with the die The connected cavity 4 and the core 5 connected with the mandrel 2, wherein between the cavity 4 and the core 5 are sequentially provided with an expanding annular flow channel 6 communicating with the annular flow channel 3 and an expanding annular flow channel 6 connected horizontal annular flow channel 7, a cavity 8 is provided in the core 5, and a cyclone 9 is provided in the cavity 8, and the inlet pipe 10 and the outlet pipe 11 of the cyclone 9 are respectively connected to an external mold temperature controller The medium outlet 14 and the medium inlet 15. A thermocouple 12 connected to a thermocouple interface 13 of an external mold temperature controller is arranged inside the core 5 . The included angle α between...

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Abstract

The invention discloses an online two-way stretching device of plastic pipes. The online two-way stretching device comprises a die, a mandrel and a circular runner, wherein the die is arranged on an extrusion die, and the circular runner is arranged between the die and the mandrel. The online two-way stretching device is provided with a mold cavity connected with the die and a mold core connected with the mandrel. An expansion circular runner communicated with the circular runner and a horizontal circular runner communicated with the expansion circular runner are sequentially arranged between the mold cavity and the mold core, the mold core is provided with a cavity, a cyclone is arranged in the cavity, and an inlet pipe and an outlet pipe of the cyclone are connected with an external mold temperature controller respectively. The online two-way stretching device has the advantages that two-way stretching of pipes can be continuously realized online, impact resistance and stretching performance of the pipes are improved, and without high-pressure media, the online two-way stretching device is convenient to seal, simple in structure and safe and reliable to use.

Description

technical field [0001] The invention relates to a plastic processing equipment, in particular to an online bidirectional stretching device for plastic pipes. Background technique [0002] At present, plastic pipes are widely used, and can be roughly divided into special plastics, engineering plastics and general-purpose plastics. Special plastics and engineering plastics have excellent comprehensive properties but are expensive. Ordinary plastics have low performance but average comprehensive properties. How to achieve the high performance of ordinary plastics is an important issue and a difficult problem, including the improvement of the biaxial stretching process of plastic pipes. [0003] Biaxial stretching can make the plastic polymer chains regularly arranged along the biaxial direction and eliminate the defects, thus obtaining a new type of plastic pipe with high strength, high toughness, high impact resistance and fatigue resistance. [0004] The most successful appl...

Claims

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Application Information

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IPC IPC(8): B29C55/26
Inventor 郑志强彭晓翊李白千陈涛刘在福秦小梅区成材
Owner RIFENG ENTERPRISE FOSHAN CO LTD
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