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Manufacturing process of glass bottle mold castings with recyclable molding sand

A manufacturing process and glass bottle technology, applied in the direction of manufacturing tools, cleaning/processing machinery of casting materials, casting molds, etc., can solve the problems of old sand that cannot be recycled, serious casting sand swelling, and difficulty in casting sand. , to achieve the effects of reduced sand consumption, good collapsibility, and reduced cleaning workload

Active Publication Date: 2016-06-22
CHANGSHU WEIHENG MOLD MFG
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Clay sand is used, and the casting is seriously swelled after pouring, which not only wastes molten iron, but also increases the amount of subsequent machining
The use of resin sand will release irritating, toxic and harmful gases during pouring, which will cause pollution, and after pouring, there will be a large number of subcutaneous pores in the casting, and the scrap rate will increase.
Using sodium silicate sand, it is difficult to produce sand after pouring, and the old sand cannot be recycled, resulting in waste of sand resources

Method used

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  • Manufacturing process of glass bottle mold castings with recyclable molding sand

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Embodiment Construction

[0025] The specific implementation manners of the present invention will be further described below in conjunction with the drawings and examples. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0026] The technical scheme of concrete implementation of the present invention is:

[0027] Such as figure 1 Shown, a kind of glass bottle mold casting manufacturing process that molding sand can be recycled comprises the steps:

[0028] 1) Sand mixing: drop into molding sand and composite inorganic binder in continuous sand mixer and carry out sand mixing; The input amount of described composite inorganic binder is 3.5%-4.5% (preferably 3.5%, 4% of molding sand quality) % or 4.5%); the molding sand is composed of 0-15% new sand and 85%-100% recycled sand;

[0029] 2) Modeling: Turn on the shaking table, put the mixed molding sand into the sand box equi...

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Abstract

The invention discloses a glass bottle die casting piece manufacturing process cyclically using molding sand. According to the invention, a manufactured glass bottle die casting piece has an accurate size and no subcutaneous blowholes; sand discharging of castings is convenient after molding, used sand can be regenerated and reused and has a low breakage rate and small loss in the process of regeneration of the used sand, and the reuse rate of the used sand is high; the process produces little dust, little pollution and no phenol and formaldehyde.

Description

technical field [0001] The invention relates to a glass bottle mold casting manufacturing process with recyclable molding sand. Background technique [0002] The glass bottle mold is made of alloy cast iron, and the castings generally weigh about 30kg, and there are four pieces for one type. Sand molds are used in the manufacturing process of glass bottle mold castings. At present, the commonly used sand molds for glass bottle mold castings include clay sand, resin sand and water glass sand. Clay sand is used, and the casting is severely swelled after pouring, which not only wastes molten iron, but also increases the amount of subsequent machining. The use of resin sand will release irritating, toxic and harmful gases during pouring, which will cause pollution. After pouring, there will be a large number of subcutaneous pores in the casting, and the scrap rate will increase. Using sodium silicate sand, it is difficult to produce sand after pouring, and the old sand cannot ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C9/02B22C1/18B22C5/00B22C5/04
Inventor 陆卫平
Owner CHANGSHU WEIHENG MOLD MFG
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