Method of quickly manufacturing vacuum glass

Abstract

The invention relates to a method for quickly preparing vacuum glass, which comprises the following steps: (1) machining a semicircular groove on substrate glass or drilling a through hole on an upper slice of glass; (2) leaking and brushing adhesive onto the substrate glass through a silk screen or a leaking plate to form point-shaped adhesives evenly distributed in interval with consistent size on the substrate glass; (3) scattering solid supports on the substrate glass so that part of the solid supports is adhered to the point-shaped adhesive; (4) stacking glass powder paste with low melting point on a position with side difference H which is formed by the upper slice of the glass and the substrate glass and is between 2 and 8 millimeters; (5) putting the glass into a heating furnace and heating the glass; and (6) sealing the glass by a hot-melting air suction glass tube, slowly reducing the temperature of the glass to below 60 DEG C, and then discharging the glass to obtain the vacuum glass. The method adopts the side difference sealing and is characterized in that the heated low glass powder paste fills in a gap of two pieces of glass and naturally levels under the siphon action of the glass gap formed the solid supports, the formed vacuum glass has the advantages of consistent internal stress and external stress, good transparency and consistent intensity, and reduces the breakage rate after evacuation; and the preparation method is quick and efficient, and is suitable for mass production.

Description

technical field [0001] The invention belongs to the field of vacuum glass manufacturing, in particular to a rapid preparation method of 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. The existing vacuum glass that can be produced on a large scale uses solid metal rings or glass nails as supports. Manual placement is too labor-intensive. 1,600 supports need to be placed on each square meter of glass, which is labor-intensive, and the height of the supports and the sealing The height of the edge sealing material is difficult to control and is easy to form a large internal stress, and it is easy to break when vacuuming. And although using the printing process glass powder paste or paste as the support, although the point distribution speed is fast, the support cannot be transparent, and the sup...

AI Technical Summary

Problems solved by technology

The existing vacuum glass that can be produced on a large scale uses solid metal rings or glass nails as supports. Manual placement is too labor-intensive. 1,600 supports need to be placed on each square meter of glass, which is labor-intensive, and the height of the supports and the sealing The height of the edge sealing material is difficult to control and is easy to form a large internal stress, and it is easy to break when vacuuming

Moreover, although the printing process glass paste or paste is used as the support, although the distribution speed is fast, the support cannot be transparent, and the support point area is large, which is neither beautiful nor high in heat transfer coefficient.

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