A concrete formwork that is easy to demould

Abstract

The invention discloses a conveniently-formwork-released concrete formwork which comprises formwork bodies. Convex lugs are arranged at the two ends of the formwork bodies; the convex lugs are provided with splicing holes correspondingly; a channel is formed in the formwork bodies in a penetrating mode; a plurality of liquid outlet holes communicating with the inner walls of the formwork bodies are formed in the side walls of the channel; a convex ring is arranged at one end of the channel; a spring is arranged in the channel; and a sealing plug is arranged at the end of the spring. The sealing plug is provided with a jacking rod penetrating through the convex ring; a pipe connection opening is formed in the other end of the channel; a jacking block is arranged in the pipe connection opening; the length of the jacking block to the opening position of the pipe connection opening is smaller than the length of the jacking rod stretching out of an opening of the channel; and after concrete is poured, an sodium gluconate solution permeates from the liquid outlet holes to shallow surface layers of the side face and the bottom face of the concrete. By adopting the concrete formwork and a pouring method, the formwork is released conveniently, and the released formwork is quite convenient to clean due to the fact that cement is not solidified yet.

Description

technical field [0001] The invention belongs to the technical field of construction tools, in particular to a concrete formwork which is convenient for demoulding. Background technique [0002] Concrete formwork is a necessary device when concrete is poured. Traditional concrete formwork is made of wood formwork or steel formwork. Wood formwork has the disadvantages of being not fireproof, perishable, and not durable, while steel formwork is bulky, expensive, and prone to rust. Therefore, at present, aluminum alloy formwork has been widely used in building construction. However, there are still many problems in the current use of aluminum alloy formwork. The working surface of the aluminum alloy formwork is easily stained with concrete, which affects the flatness of the wall surface and easily leads to unqualified construction. After the existing building formwork is used, some cement will remain on the formwork. , and because the cement has solidified after demoulding, th...

AI Technical Summary

Problems solved by technology

However, there are still many problems in the current use of aluminum alloy formwork. The working surface of the aluminum alloy formwork is easily stained with concrete, which affects the flatness of the wall surface and easily leads to unqualified construction. After the existing building formwork is used, some cement will remain on the formwork. , and because the cement has solidified after demoulding, the cement cannot be washed away by washing, so workers need to remove the cement by beating, and the removal efficiency is low

Therefore, it is necessary to apply a layer of release agent on the surface of the formwork before pouring concrete, and the use of a release agent will make the cement pouring surface too smooth, and the subsequent application of cement or paint has low adhesion and is easy to fall off. It is very troublesome to clean after applying the release agent on the template, and it is difficult to thoroughly clean the release agent on the template

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