Graphite mold for casting and assembling method thereof

A graphite mold and mold technology, applied in the direction of manufacturing tools, casting molding equipment, casting molds, etc., can solve the problems of poor overall wear resistance of bucket teeth, reduced casting production efficiency, uneven structure of bucket teeth, etc., and achieves easy demoulding. Low manufacturing cost and the effect of being beneficial to environmental protection

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.
Since the sandboxes are for one-time use, each time a casting sandbox is cast, it will be broken and discarded, resulting in a great waste, and the subsequent casting needs to re-make the sandbox, which reduces the casting production efficiency

Method used

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  • Graphite mold for casting and assembling method thereof
  • Graphite mold for casting and assembling method thereof
  • Graphite mold for casting and assembling method thereof

Examples

Experimental program
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Effect test

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 a schematic view of the longitudinal section of the graphite mold in the present invention.

[0061] 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 cavities 11, and the top of the cavities 11 is provided with an exhaust hole 12; the first sandbox 2 is located between the two cavities 11, and the first sandbox 2 is provided with a connected branch runner 22 And the main runner 21, the opening of the main runner 21 is located at the top of the first sandbox 2; one end of the branch runner 22 is connected to the middle of the cavity 11, and the other end is connected with the main runner 21; the second sandbox 3 is located in the cavity The lower part of 11. The assembled mold b...

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Abstract

The invention discloses a graphite mold for casting. The graphite mold for casting comprises a mold body, first sand boxes, second sand boxes and a mold sleeve; the mold body, the first sand boxes, the second sand boxes are positioned in the mold sleeve; a cavity is formed in the mold body, and an exhaust hole is formed in the top end of the mold cavity; the first sand boxes are positioned on theside part of the mold cavity, the first sand boxes are provided with a branch runner and a main runner, and an opening of the main runner is positioned at the top end of the first sand boxes; and oneend of the branch runner is connected with the middle part of the cavity, the other end of the branch runner is in communication with the main runner, and the second sand boxes are positioned at the lower part of the cavity. The graphite mold can be repeatedly used, the heat conductivity of graphite can be utilized, so that castings 5 can be quickly cooled.

Description

technical field [0001] The invention relates to a casting technology, in particular to a graphite mold for casting and an assembly method thereof. 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 tooth tip, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/02B22C9/22
CPCB22C9/02B22C9/22
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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