Vertically formed FRP composite pipe demoulding structure

Abstract

The invention relates to a demoulding structure of a vertically formed FRP composite pipe. It includes an outer mold with an opening and closing device on the side, and a jacking device arranged along the circumference of the outer mold. The jacking device: includes a jacking screw from the outer mold to the space between the outer mold and the glass steel pipe and the jacking screw Positioning plate positioned on the outer mold. The jacking device of the present invention pushes the jacking screw used for lifting and turning between the outer mold and the glass steel pipe; when the product reaches the design strength, the outer mold and the jacking screw embedded in the product are used to directly lift and turn over; After exiting the jacking device, use the opening and closing device of the single-opening door panel to change the diameter of the mold for demoulding.

Description

technical field [0001] The invention relates to a demoulding structure for a vertically formed FRP composite pipe, which belongs to the technical field of pipe forming dies. Background technique [0002] At present, most domestic water and drainage pipes use prestressed steel cylinder concrete pipes and reinforced concrete pipes. Although concrete pipes have the advantages of high strength, good rigidity, and low cost compared with steel pipes, cast iron pipes, and corrugated pipes, their sealing performance, corrosion resistance, and water flow The three major problems of passability have not been fundamentally improved and improved. So now there is a FRP composite pipe, which has the characteristics of light weight, high strength, corrosion resistance, insulation, heat insulation, smooth inner wall, and small fluid resistance, which can make up for the lack of concrete pipes, but FRP and FRP contain sand. The pipe is restricted by factors such as stiffness, hardness, buri...

AI Technical Summary

Problems solved by technology

At present, the glass reinforced concrete composite pipe is limited by the molding process, and the quality of the produced glass reinforced concrete composite pipe is poor. During the molding process, it is inconvenient to demould, which affects the molding quality and production efficiency of the product.

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