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Flash groove having heat preservation effect

A technology of riser and riser cover, which is applied in the direction of manufacturing tools, casting molding equipment, casting molds, etc., can solve the problems of molten iron solidification when it is cooled, and cannot complete the task of feeding, and achieve the effect of reducing the contact area

Inactive Publication Date: 2017-05-31
句容市有色金属铸造厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the general riser design is a cylindrical open sleeve structure, and the molten iron in the riser is easy to freeze and solidify, which cannot complete the task of feeding

Method used

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  • Flash groove having heat preservation effect

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0013] Such as figure 1 , including a riser body 1, a riser cover 2 and an air hole 3, the upper end of the riser body is provided with a riser cover 2, and the upper end of the riser body is provided with more than one air hole 3. Stoma 3 is used for ventilating, balance air pressure.

[0014] The riser body and the riser cover are in one structure.

[0015] The riser body is a cylindrical structure.

[0016] The outside of the riser body is coated with an insulating layer.

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PUM

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Abstract

The invention provides a flash groove having heat preservation effect. The flash groove comprises a flash groove body, wherein a flash groove cover is arranged at the upper end of the flash groove body; one or more air holes are formed in the upper end of the flash groove body; the flash groove body and the flash groove cover adopt an integral structure; the flash groove body adopts a cylindrical structure; and a heat preservation layer is coated on the outer side of the flash groove body. According to the flash groove disclosed by the invention, the flash groove cover is arranged at the top end of the flash groove; the air holes are formed in the flash groove body, so that the contact area of molten iron and outside in the flash groove is reduced; and the heat preservation layer is coated, so that further heat preservation effect is achieved.

Description

technical field [0001] The invention relates to the field of casting, in particular to a riser for sand casting with thermal insulation effect. Background technique [0002] A riser is a supplementary part added to the top or side of a casting just to avoid casting defects. Function In the casting mold, the cavity of the riser is a cavity for storing liquid metal. When the casting is formed, the metal is supplied to prevent shrinkage, shrinkage, exhaust and slag collection. The main function of the riser is feeding. In the prior art, the general riser design is a cylindrical open sleeve structure, and the molten iron in the riser is easy to freeze and solidify, which cannot complete the task of feeding. Contents of the invention [0003] Purpose of the invention: The technical problem to be solved by the present invention is to provide a riser with thermal insulation effect for the deficiencies of the prior art. [0004] In order to solve the above technical problems, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C9/08
CPCB22C9/088
Inventor 朱观友
Owner 句容市有色金属铸造厂