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An investment casting core

An investment casting and core technology, which is applied to casting equipment, cores, molds, etc., can solve the problems of insufficient pouring of core metal solution, reduce the processing quality of parts, affect the strength and service life of parts, and achieve saving Manpower and material resources, prolonging the overall service life, improving the effect of processing quality

Active Publication Date: 2021-04-16
台州东亚精铸科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to make up for the deficiencies of the existing technology, to solve the problem of insufficient pouring of the metal solution in the core when processing such small and long parts such as blades of turbine engines, it is easy to generate pores on the surface of the parts, affecting the The overall strength and service life of the parts, thus seriously reducing the processing quality of the parts, the invention proposes an investment casting core

Method used

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  • An investment casting core
  • An investment casting core
  • An investment casting core

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Embodiment approach

[0024] As an embodiment of the present invention, a cavity 232 is opened in the transmission wheel 23, and an adjustment unit 5 is arranged in the cavity 232; the adjustment unit 5 includes an arc block 51, a connecting rod 52, a The connecting rod 53 and the rotating disk 54; the rotating disk 54 is connected in the cavity 232 in rotation; the blocking rod 231 is slidingly connected on the side wall of the transmission wheel 23, and the end of the blocking rod 231 is connected to the surface of the rotating disk 54 in rotation; the one No. connecting rod 52 is slidably connected on the side wall of cavity 232; said arc block 51 is installed with the end of No. 1 connecting rod 52 located on the outside of transmission wheel 23; 52 is located at the end of the cavity 232, and the other end is rotatably connected to the surface of the turntable 54; through the cooperation of the arc block 51, the first connecting rod 52, the second connecting rod 53 and the turntable 54, the siz...

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Abstract

The invention relates to the technical field of investment casting processing, in particular to an investment casting core; including a housing, a transmission unit and a mold unit; the transmission unit is installed in the housing, and the transmission unit includes a motor, a transmission belt, a transmission wheel and a fixed The mold unit includes the outer mold and the core; the pouring port is provided with a pouring unit; the pouring unit includes a sealing magnetic strip, a conduit and a pouring head; the shaking of the core is realized through the cooperation of the shell, the transmission unit and the mold unit, thereby Accelerate the flow of molten metal in the core; enable the molten metal to be fully filled in the core before cooling, thus effectively avoiding the situation that the internal structure of the core is too long and the molten metal starts to cool before reaching the designated position, reducing During the investment casting process, the pores and air bubbles appear on the surface of the parts, thus effectively improving the processing quality of the parts.

Description

technical field [0001] The invention relates to the technical field of investment casting processing, in particular to an investment casting core. Background technique [0002] Investment casting, also known as lost wax casting, includes processes such as wax pressing, wax repairing, tree formation, dipping, melting wax, casting molten metal and post-processing. Lost wax casting is to use wax to make a wax mold of the part to be cast, and then coat the wax mold with mud, which is the mud mold. After the clay mold dries, it is placed in hot water to melt the inner wax mold. Take out the clay mold that has melted the wax mold and bake it into a pottery mold. Once roasted. Generally, when the mud mold is made, the sprue is left, and then the molten metal is poured into the sprue, and after cooling, the required parts are made. The types of alloys that can be produced by investment casting include carbon steel, alloy steel, heat-resistant alloy, stainless steel, precision al...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C9/10B22C9/04B22C9/08
CPCB22C9/04B22C9/08B22C9/10
Inventor 黄广顺李承涛
Owner 台州东亚精铸科技有限公司
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