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A hydraulic demoulding device and its application in the preparation of resin winding molding pipes

A technology of winding forming and demoulding device, which is applied in the application, other household appliances, tubular articles, etc., can solve the problems of high manufacturing cost, damaged pipe fittings, complicated design structure of the demoulding device, etc., and achieves the effect of convenient operation and simple structure.

Active Publication Date: 2017-12-15
SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mechanical demoulding mainly includes the gantry demoulding device pulled by the hydraulic machine top or the hoist. This method may cause the pipe fittings to be damaged due to uneven force
However, hydraulic demoulding is rarely used at present. Chinese patent CN201380568.Y discloses a hydraulic demoulding device, but the design and structure of the demoulding device is complicated, the manufacturing cost is high, and it is mainly aimed at large-diameter FRP pipes, which is not universally applicable. sex

Method used

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  • A hydraulic demoulding device and its application in the preparation of resin winding molding pipes

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Demolding of Continuous Glass Fiber Reinforced Thermoplastic Resin Winding Molded Pipes

[0022] Such as figure 1 As shown, the hydraulic demoulding device is mainly composed of a steel, circular mandrel. The mandrel is 1400mm long and 150mm in diameter. The mandrel is composed of mandrel left shaft head 1, mold middle section 2, mandrel right shaft head 3, first water injection channel 4, second water injection channel 5, bolts 6, water injection port 7 and thimble hole 8 .

[0023] The left shaft head 1 of the mandrel is connected to the middle section 2 of the mandrel by a shaft shoulder. Therefore, in the winding process of the pipe fittings, it is necessary to wrap the left shaft head 1 repeatedly with glass fibers impregnated with thermoplastic resin, so that it is The middle section 2 of the mandrel is tightly connected to prevent the left shaft head 1 of the mandrel from breaking away from the mandrel when water pressure is applied. Between the right spindle ...

Embodiment 2

[0026] Demolding of Continuous Glass Fiber Reinforced Thermosetting Resin Winding Molded Pipe

[0027] The hydraulic demoulding device is mainly composed of a steel square mandrel, the mandrel is 1400mm long and 100mm×100mm in size. Other processing steps are with embodiment 1.

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Abstract

The invention relates to a hydraulic demoulding device and its application in the preparation of resin winding molding pipes. The water injection port is composed of the left shaft head of the mandrel and the right shaft head of the mandrel respectively arranged on both sides of the middle section of the mandrel, the water injection port is set at the front end of the water injection channel, and the water injection channel runs through the left shaft head of the mandrel. This device is used to form pipe fittings The demoulding. Compared with the prior art, the present invention has the advantages of simple structure, convenient operation and the like.

Description

technical field [0001] The invention relates to a demoulding device and its application, in particular to a hydraulic demoulding device for continuous fiber-reinforced thermoplastic or thermosetting resin winding and forming pipes and its application in preparing resin winding and forming pipes. Background technique [0002] Due to the demand for high-pressure pipes in industrial production, continuous fiber-reinforced thermoplastic and thermosetting resin winding pipes have been widely used. They are all pipe fittings obtained by winding resin-impregnated glass fibers on a mandrel. After molding, the pipe fittings need to be separated from the mandrel. At present, the commonly used demoulding methods for FRP pipes mainly include mechanical demoulding and hydraulic demoulding. The mechanical demoulding mainly includes the gantry demoulding device pulled by the hydraulic machine top or the hoist. This method may cause the pipe fittings to be damaged due to uneven force. How...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C33/46B29C70/54B29K309/08B29L23/00
Inventor 徐龙彬陆俊
Owner SHANGHAI GENIUS ADVANCED MATERIAL (GRP) CO LTD