Aluminum alloy semi-solid blank material continuous-heating die casting method and device

An aluminum alloy material and an aluminum alloy technology are applied in the field of continuous heating and die-casting forming methods and devices for aluminum alloy semi-solid billets, which can solve the problems that the semi-solid billet preparation method cannot be achieved, and achieve uniform spherical crystals and liquid phase structure. Active, efficient effect

Pending Publication Date: 2019-01-22
金雅豪精密金属科技(东莞)有限公司
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Problems solved by technology

And the preparation method of existing semi-solid billet can not meet the above requirements

Method used

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  • Aluminum alloy semi-solid blank material continuous-heating die casting method and device
  • Aluminum alloy semi-solid blank material continuous-heating die casting method and device

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Embodiment Construction

[0023] The invention proposes a continuous heating die-casting molding method for an aluminum alloy semi-solid billet.

[0024] refer to figure 1 , figure 1 It is a schematic flow chart of the method for continuously heating and die-casting an aluminum alloy semi-solid billet according to the present invention.

[0025] Such as figure 1 As shown, in the embodiment of the present invention, the aluminum alloy semi-solid billet continuous heating die-casting molding method includes the following steps:

[0026] S1, forging the aluminum alloy material by a rotary forging method, and forging a rod-shaped solid aluminum alloy strip in which the crystal structure undergoes spherical transformation;

[0027] S2, according to the size of the die casting, quantitatively cut the forged aluminum alloy strip into equal-length aluminum alloy bars;

[0028] S3, put the cut aluminum alloy bars in the vibrating plate machine, and automatically sort them through the linear feeder;

[0029...

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Abstract

The invention discloses an aluminum alloy semi-solid blank material continuous-heating die casting method. The method includes steps: S1, adopting a rotating forging method for forging an aluminum alloy material to obtain a rodlike solid aluminum alloy strip with texture crystal deformation; S2, quantitatively cutting the forged aluminum alloy strip into aluminum alloy bars in equal length according to sizes of die castings; S3, placing the cut aluminum alloy bars into a vibrating disc machine, and adopting a linear feeder for automatic sorting; S4, sequentially sending the aluminum alloy barsinto a thermal treatment tunnel furnace, heating to enable secondary deformation of spherical crystal in the aluminum alloy bars to form a spherical crystal and liquid-phase texture co-existing semi-solid blank material; S5, sequentially sending the semi-solid blank material into a pressure barrel of a die-casting die through a chute, and performing die casting of the semi-solid blank material. By adoption of the method, the uniform and non-defective aluminum alloy semi-solid blank material can be obtained, and the requirement of aluminum alloy thin-walled parts on the aluminum alloy semi-solid blank material can be met.

Description

technical field [0001] The invention relates to the technical field of metal semi-solid processing and forming, in particular to a continuous heating and die-casting forming method and device for an aluminum alloy semi-solid billet. Background technique [0002] Due to the advantages of light weight, high specific strength, and strong recyclability, aluminum alloy materials are currently the most widely studied semi-solid forming metal materials. However, some existing thin die-casting parts, such as aluminum alloy shells or frames, require fast heating speed, less oxidation, high heating temperature and high uniformity of the blank, and also require the primary crystal grains in the semi-solid blank to be small and round. In order to make the thin-walled parts formed by die-casting uniform and free of microscopic defects, and improve the yield of thin-walled parts. And the preparation method of existing semi-solid billet can not meet above requirement. Contents of the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/00
CPCB22D17/007
Inventor 黄毅锋
Owner 金雅豪精密金属科技(东莞)有限公司
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