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Hot-charging hot-delivery casting method adopting graphite mold

A graphite mold, hot charging and hot delivery technology, which is used in casting molding equipment, casting molds, heat treatment furnaces, etc., can solve problems such as the inability to realize the production line casting bucket teeth, the low production efficiency of the production process, and the overall poor wear resistance of the bucket teeth. , to achieve the effect of environmental protection, accurate size and convenient demoulding

Inactive Publication Date: 2019-07-12
BAOTOU SHENRUI SPECIAL ALLOY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the lack of necessary heat treatment, the structure of the bucket teeth is uneven, the inserts do not play their due role, and the overall wear resistance of the bucket teeth is poor.
Even if the bucket teeth are heat treated, due to the limitation of the mold, the cooled bucket teeth must be reheated, and it is impossible to realize the assembly line casting of the bucket teeth. Reheating the bucket teeth not only wastes energy, but also reduces the production efficiency of the current production process. low

Method used

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  • Hot-charging hot-delivery casting method adopting graphite mold
  • Hot-charging hot-delivery casting method adopting graphite mold
  • Hot-charging hot-delivery casting method adopting graphite mold

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Embodiment Construction

[0059] The following description illustrates specific embodiments of the invention sufficiently to enable those skilled in the art to practice and reproduce it.

[0060] Such as figure 1 Shown is the flow chart of the hot charging and hot delivery casting method adopting graphite mold in the present invention.

[0061]The hot charging and hot sending casting method adopting graphite mould, specifically comprises the following steps:

[0062] Step 1: Smelting molten steel, the temperature of molten steel is greater than 1300°C;

[0063] The molten steel adopts alloy steel of Cr and Mn elements.

[0064] Step 2: Assemble the graphite mold, pour molten steel into the graphite mold;

[0065] Such as figure 2 Shown is a schematic view of the longitudinal section of the graphite mold in the present invention.

[0066] The structure of the graphite mold includes: a mold body 1, a first sandbox 2, a second sandbox 3, and a mold case 4. The mold body 1 is provided with two cavit...

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Abstract

The invention discloses a hot-charging hot-delivery casting method adopting a graphite mold. The method comprises the following steps that when surface temperature of a casting in the mold is reducedto 1000-1100 DEG C, the mold is taken and the casting is taken out; and the casting in a heat treatment temperature interval is subjected to heat treatment, and at the moment, the temperature of the casting is 900-1000 DEG C. According to the method, the casting processing efficiency can be improved, so that the heat loss in the processing process can be reduced, and meanwhile, the performance offlimsy materials can be easily improved.

Description

technical field [0001] The invention relates to a casting technology, in particular to a hot charging and hot sending casting method using a graphite mould. Background technique [0002] The excavator bucket tooth is an important part of the excavator. It is a combined bucket tooth composed of a tooth seat and a tooth tip. The bucket of the excavator is connected to the bucket tooth through a pin shaft. Picks are used on rotating parts such as coal shearers and shield machines. The structure and function of bucket teeth and picks are similar, and they are vulnerable parts, which need to be replaced in time after wear. [0003] The bucket tooth is usually composed of a tooth seat and a tooth tip. For a combined bucket tooth, the tooth seat is connected to the bucket, and the tooth seat and the tooth tip are movably connected by a pin shaft. After the tooth tip is worn, the tooth tip can be replaced directly. For bucket teeth with an integrated structure of tooth seat and to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/06B22C9/08B22C9/20B22C9/22B22D27/04C21D1/28C21D6/00C21D9/22C22C38/04C22C38/18
CPCB22C9/061B22C9/082B22C9/20B22C9/22B22D27/04C21D1/28C21D6/002C21D6/005C21D9/22C22C38/04C22C38/18
Inventor 杨富强张文用白赛吉拉胡邢利芳李恒恒何名
Owner BAOTOU SHENRUI SPECIAL ALLOY
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