Method for preparing vacuum glass

Abstract

The invention relates to a process for preparing vacuum glass. The steps of the process are, (1) keeping a leaking plate mould flat on a glass substrate, on which die orifices are equispaced and compartmentally prepared, (2) coating the supporting pulp on the leaking plate mould to form backstops which are distributed compartmentally and have the same height, inverting the glass substrate on bottom glass, (3) preparing an opening which is inserted in a suction glass tube on the glass, and adopting supporting pulp to seal edges, (4) putting the glass into a heating furnace and treating, (5) connecting the suction glass with a vacuum device until vacuum degree in the vacuum glass reaches 10<-2>-10<-4>Pa, hot fusing and sealing the glass tube, thereby obtaining vacuum glass finished products. The invention has the advantages of simple preparation technology, easy operation, lower investment, lower rejection rate, perfect quality and higher production efficiency. Further, the invention adopts mechanical separator system to replace manual operation, which effectively reduces costs of vacuum glass and is applicable for industrial production.

Description

technical field [0001] The invention relates to the field of vacuum glass, in particular to a method for preparing vacuum glass. Background technique [0002] The sound insulation, heat insulation and thermal insulation properties of vacuum glass are much better than ordinary glass or interlayer glass, and its application prospect is very broad. However, the existing vacuum glass preparation process is very complicated, the production efficiency is low, and the reject rate is high, resulting in high production cost and high sales price, which seriously affects the production of vacuum glass and restricts the wide application of vacuum glass. The preparation method of the existing vacuum glass is: 1. adopt artificial bonding on the glass, evenly distributed, spaced supporting pillars, the stability of the supporting pillars is difficult to guarantee, the bonding efficiency is low, and it takes man-hours, and the labor cost is too high; 2. .The slow gas volatilization of the ...

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Problems solved by technology

Such as the setting method of a vacuum glass gap spacer in the patent literature and the production method of architectural vacuum glass all adopt the printing screen to set the vacuum glass spacer, but the printing screen method also has the following defects: 1. If the paste powder If it is too thin, the support on the glass plate after printing is too thin, and the height of the support is not enough after high temperature; if the paste powder is too thick, it will not be able to form a smooth printing, the screen will be blocked seriously, and industrial production cannot be realized; 2. The height of the support column is inconsistent , and it is difficult to complete the edge banding and evenly distributed support columns at one time; 3. There are many manual leaks

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