Preparation method of LED glass coating tube

A technology of LED glass and coating tube, which is applied in glass manufacturing equipment, glass forming, glass furnace equipment, etc., and can solve the problems of inconsistency between light transmission and mechanical properties, uneven composition of glass feed liquid, and long first melting time and other problems, to achieve the effect of shortening the melting time, consistent density, and no particle bubbles

Inactive Publication Date: 2019-12-24
仪征煌明谱照明科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Its disadvantages are: the above-mentioned raw materials are directly smelted without grinding, the first smelting time is longer, the composition of the second smelted glass frit liquid is not uniform, and the light transmittance and mechanical properties are not consistent; at the same time, the smelted glass The feed liquid has not been clarified, and the glass feed liquid may contain particle bubbles, which affect the penetration of light

Method used

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Embodiment Construction

[0021] A preparation method for an LED glass coating tube, comprising the following steps:

[0022] Step 1: Grinding raw materials, 60-65 parts by weight of silicon dioxide, 6-7 parts by weight of alumina, 7-10 parts by weight of sodium oxide, 6-7 parts by weight of boron oxide, 1-5 parts by weight of Indium oxide, 6-10 parts by weight of calcium oxide and 8-10 parts by weight of flux are added to the stirring mill for coarse grinding, and the flux is 5-6 parts by weight of magnesium fluoride, 2-3 parts by weight of fluorine Calcium oxide and 1-2 parts by weight of titanium oxide are used for rough grinding for 5 hours to obtain coarse grinding slurry, and the particle size of the coarse grinding slurry is measured every hour until the average particle diameter of the coarse grinding slurry is less than 1.5um. Grinding, adding the coarse grinding slurry to the sand mill for fine grinding treatment, after 3 hours of fine grinding, the fine grinding slurry is obtained, and the p...

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Abstract

The invention relates to a preparation method of an LED glass coating tube. The method comprises the steps of 1, raw material grinding; 2, spray granulation; 3, powder slurry melting; 4, pretreatment;5, annealing treatment; 6, tube drawing forming; 7, cutting; 8, polishing; 9, cleaning; 10, primary inspection; 11, spray coating; 12, quality inspection; and 13, packaging and warehousing. The method is scientific and rigorous, the raw materials of the molten glass solution are uniformly stirred after being ground, so that the density of the formed glass tube is consistent, the melting time is shortened, and as the glass clarifying agent is matched with the heat preservation of the vacuum furnace, the clarifying agent and the vacuum heat preservation are matched, bubbles in the glass solution are discharged, and the formed glass tube is free of particle bubbles and excellent in mechanical property.

Description

technical field [0001] The invention relates to the technical field of manufacturing LED glass-coated tubes, in particular to a method for preparing LED glass-coated tubes. Background technique [0002] With the progress of society and the development of technology, people have a strong demand for high-quality lighting equipment, but the LED fluorescent lamps currently on the market have mediocre light transmission performance. The existing Chinese patent database discloses a patent titled a glass tube for LED energy-saving lamps and its manufacturing method and device. The date is 20160720, and the method includes: assembling the LED chip COB packaging substrate with the glass tube; filling nano-scale glass powder into the inner space of the glass tube from the opening of the glass tube, and filling all the gaps in the glass tube to form a lamp tube component; And putting the above-mentioned lamp tube parts into a constant temperature box and firing until the nano-scale gl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/118C03C6/06C03C1/02C03B5/235C03C1/00C03B5/225C03B5/18C03B25/00C03B15/14C03B33/06C03C17/00
CPCC03C3/118C03C1/026C03B5/235C03C1/004C03B5/225C03B5/18C03B25/00C03B15/14C03B33/06C03C17/004
Inventor 徐永林
Owner 仪征煌明谱照明科技有限公司
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