Sand mold for manufacturing hyperboloid tempered glass and manufacturing method thereof
A technology of tempered glass and manufacturing method, which is applied to glass manufacturing equipment, manufacturing tools, glass molding and other directions, can solve the problems of high device price, high maintenance cost, huge volume, etc., and achieve the effect of convenient operation and low cost
Active Publication Date: 2021-08-24
CHONGQING CHUNJIANG COATED GLASS
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Problems solved by technology
Among the three molding processes, no matter which molding process is used, the volume of the device to be used is huge, and the device is expensive, and the mold generally adopts a steel mold.
A set of molds corresponds to a product of one specification and size, and a set of molds corresponds to a set of master molds during the manufacturing process. In other words, a set of master molds corresponds to a set of steel molds. The manufacturing cost is high and the later maintenance cost is high.
Method used
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[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings. In the description of the present invention, it should be understood that the orientations or positional relationships indicated by orientation words such as "up, down" and "top, bottom" are usually based on the orientations or positional relationships shown in the accompanying drawings, and are only for To facilitate the description of the present invention and to simplify the description, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation unless stated otherwise, and therefore cannot be construed as a reference to this invention Limitation of the protection scope of the invention; the orientation words "inside and outside" refer to the inside and outside relative to the outline of each component itself.
[0038] Such as Figure 1-3 A...
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Abstract
The invention relates to the technical field of glass moulds, and discloses a sand mold for manufacturing hyperboloid tempered glass, which sequentially includes a plastic film layer, a mortar layer and a paint layer from outside to inside; and also discloses a sand mold for manufacturing hyperboloid tempered glass The manufacturing method comprises the following steps: S1, putting the plastic film layer into a hyperboloid tempered glass shaping mold and fixing the edge of the plastic film layer on the hyperboloid tempered glass shaping mold; S2, the vacuum pump passing the vacuum hole to the The hyperboloid tempered glass shaping mold is vacuumized; S3, a certain capacity of mortar solution is poured into the plastic film layer, and spread evenly; S4, the hyperboloid tempered glass shaping mold coated with mortar solution is baked until the mortar layer is in a semi-solidified state; S5, paint on the surface of the semi-solidified mortar; S6, continue to bake the semi-solidified mortar coated with paint until it is in a solid state. The invention can shape and press different types of double-curved glass.
Description
technical field [0001] The invention relates to the technical field of glass hot-bending molds, in particular to a sand mold for manufacturing double-curved tempered glass and a manufacturing method thereof. Background technique [0002] At present, the production of double-curved tempered glass generally adopts three forming processes: self-weight forming, pressing forming and adsorption forming. Among them, the self-weight forming process is to place the glass plate transported from the heating furnace on the roller table of the forming section, and then the roller table moves down to record the lower supporting mold with a certain curvature on the upper surface, and the glass plate is placed on the lower supporting mold. The gravity bending forming of the plate itself; the pressing forming process is to add an upper die with a certain curvature on the lower surface on the basis of the self-weight forming process, and use the upper die and the lower support die to bend the...
Claims
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IPC IPC(8): C03B23/03
CPCC03B23/03
Inventor 陆仁立
Owner CHONGQING CHUNJIANG COATED GLASS