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Glass molding method and glass molding device used in the method

A kind of glass forming equipment and glass technology, which is applied in glass manufacturing equipment, glass forming, glass transportation equipment, etc., can solve the problems of forming mold occupation, increasing the manufacturing cost of forming mold, and low efficiency of forming mold, and achieve the reduction of contact time , maintaining accuracy and improving utilization

Inactive Publication Date: 2015-04-29
WEISS
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Problems solved by technology

Therefore, the forming mold needs to be occupied during the entire glass forming process, resulting in inefficient use of the forming mold
Moreover, long-term contact between the forming mold and the high-temperature glass blank will easily cause sticking between the forming surface of the forming mold and the glass blank, which will affect the surface quality of the formed glass, and the higher mold temperature will also affect the mold material. The performance puts forward strict requirements, which increases the manufacturing cost of forming molds

Method used

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  • Glass molding method and glass molding device used in the method
  • Glass molding method and glass molding device used in the method
  • Glass molding method and glass molding device used in the method

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Embodiment Construction

[0024] like figure 1 and Figure 5 as shown, figure 1 It is a flow chart of a glass molding method provided in the first embodiment of the present invention. The glass molding method includes the following steps:

[0025] Step S401 , providing a glass blank 11 and combined mold 14 . The combined mold 14 includes at least two partial molds 140 , 142 . Each sub-mold 140 , 142 includes at least one molding surface 143 . When the sub-molds 140, 142 are closed with each other, the molding surfaces 143 of the different sub-molds 140, 142 are combined with each other to enclose a molding space consistent with the shape of the glass product.

[0026] Step S402, adjusting the gas environment during the molding process. The gas environment can be set as a general atmospheric environment gas or an inert protective gas with a predetermined pressure value, such as nitrogen, helium, neon, etc., or a vacuum. The molding process takes place in a molding cavity 10 . The molding chamber ...

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Abstract

A glass molding method for molding a glass preform to a glass product via an assembly mold includes the following steps. The glass preform is preheated to a glass molding temperature. The assembly mold is heated to a predetermined mold temperature lower than the glass molding temperature and maintained at the mold temperature. The preheated glass preform is transferred to the assembly mold. The assembly mold is closed together for molding the glass preform to the glass product. The glass product and the assembly mold are gradually cooled to an open temperature. Then the assembly mold is opened to take the glass product out of the assembly mold.

Description

technical field [0001] The invention relates to a glass molding method and equipment applying the glass molding method. Background technique [0002] Existing glass molding methods usually need to heat and cool the glass blank and the forming mold together when forming glass. Therefore, during the entire glass forming process, the forming mold needs to be occupied, resulting in low efficiency of the use of the forming mold. Moreover, long-term contact between the forming mold and the high-temperature glass blank will easily cause sticking between the forming surface of the forming mold and the glass blank, which will affect the surface quality of the formed glass, and the higher mold temperature will also affect the mold material. The performance of the mold puts forward strict requirements, which increases the manufacturing cost of the molding die. Contents of the invention [0003] In view of this, it is necessary to provide a glass molding method with high usage effic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B11/00
CPCC03B23/0013C03B23/0302C03B23/0307C03B25/025C03B29/08C03B35/14
Inventor 魏冈
Owner WEISS
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