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Refractory clay ingate piece

A technology of refractory clay and ingates, which is applied to casting molding equipment, casting molds, cores, etc., can solve the problem of large local strength differences of sand ingates, affecting the internal quality of high manganese steel frogs, increasing the Workers' labor intensity and other issues, to achieve the effect of improving internal quality, increasing intensity, and reducing labor intensity

Pending Publication Date: 2021-04-30
CHINA RAILWAY BAOJI BRIDGE GRP
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  • Abstract
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  • Application Information

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Problems solved by technology

[0002] The ingate in the original gating system of high manganese steel frogs is made of molding sand mixed with forsterite sand and water glass at a ratio of 100:4. The molding sand is filled into the ingate mold, and CO 2 Gas hardening molding; because the sand ingates are handmade, individual strength differences are large, and due to advance production, there may be pulverization during storage, which eventually leads to large local strength differences in sand ingates. It is easy to be eroded by molten steel, which affects the internal quality of high manganese steel frogs, and all follow-up needs to use flame cutting gating system, causing environmental pollution and increasing the labor intensity of workers

Method used

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with specific examples, but the embodiments of the present invention are not limited thereto.

[0017] The embodiment of the present invention provides a refractory clay ingate, specifically as Figure 1~3 As shown, the sprue piece includes a sprue piece body 1 and an ingate 2 passing through the left and right surfaces of the sprue piece body 1. The sprue piece is made of refractory clay, and the sprue piece body 1. The shape is rectangular; the ingate 2 has a draft angle of 1:10, and the side with the smaller opening is in contact with the mold cavity, and the side with the larger opening is in contact with the runner. Connecting the runner to the mold cavity facilitates the falling of the casting and the gating system when the subsequent gating system falls naturally; in addition, the middle of the bottom of the inrunner 2 is a plane structure, and the shape of the two ends of the plane st...

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Abstract

The invention discloses a refractory clay ingate piece which comprises a ingate piece body and an ingate penetrating through the left surface and the right surface of the ingate piece body, and the ingate piece is made of refractory clay; the appearance of the ingate piece body is rectangular; the ingate has a draft angle of 1: 10, and the bottom middle of the ingate is of a plane structure; and the length of the plane structure is 26-27mm. By adopting the effect that the ingate piece made of the refractory clay is high in chilling capacity, natural falling of a pouring system in the casting cooling process is achieved, and manual cutting of the pouring system is avoided; and the labor intensity of workers is relieved, and environmental pollution is reduced.

Description

technical field [0001] The invention belongs to the technical field of casting, and in particular relates to a refractory clay ingate. Background technique [0002] The ingate in the original gating system of high manganese steel frogs is made of molding sand mixed with forsterite sand and water glass at a ratio of 100:4, the molding sand is filled into the ingate mold, and CO 2 Gas hardening molding; because the sand ingate is made by hand, the individual strength varies greatly, and due to the production in advance, there may be pulverization during storage, which eventually leads to large local strength differences in the sand ingate. It is easy to be eroded by molten steel, which affects the internal quality of high manganese steel frogs, and all follow-up needs to use flame cutting gating system, causing environmental pollution and increasing the labor intensity of workers. Contents of the invention [0003] In order to solve the above-mentioned problems in the prior...

Claims

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Application Information

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IPC IPC(8): B22C9/08B22C1/00
CPCB22C1/00B22C9/082
Inventor 朱哲邱昌昌吴海斌谭红刚李成浩
Owner CHINA RAILWAY BAOJI BRIDGE GRP
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