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Continuous preparation facilities for casting semisolid blank made from alloy in lightweight

A light alloy and preparation device technology, applied in the direction of metal extrusion dies, etc., can solve the problems of uneven microstructure of the billet, coarse grains of the billet, low degree of spheroidization, etc., and achieve uniform microstructure, high degree of spheroidization, The effect of low manufacturing cost

Inactive Publication Date: 2007-09-12
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of uneven microstructure and high cost of the billet in the current mechanical stirring method and electromagnetic stirring method, and the problem of coarse grains and low degree of spheroidization in the isothermal treatment method, and further provides a Continuous preparation device and preparation method for cast light alloy semi-solid billet

Method used

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  • Continuous preparation facilities for casting semisolid blank made from alloy in lightweight

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specific Embodiment approach 1

[0012] Embodiment 1: This embodiment is described in conjunction with Fig. 1, Fig. 2, and Fig. 3. The continuous preparation device for casting light alloy semi-solid blanks in this embodiment consists of a pressure cylinder 1, a first vertically introducing roller 2, a second The vertical introduction roller 3, the first horizontal introduction roller 4, the second horizontal introduction roller 5, the equal-path angular extrusion die 6, the first horizontal export roller 7, the second horizontal export roller 8, and the base 10 ; The left end face of the pressure cylinder 1 is connected to the right end face of the support 10-5 on the left side of the upper end face of the base 10, and the shaft hole at one end of the rotating shaft 2-1 of the first vertical import roller 2 and the connecting rod 2-2 Rotational connection, the shaft hole at the other end of the connecting rod 2-2 is rotationally connected with the shaft 10-1-1 at the upper end of the bracket 10-1 in the middl...

specific Embodiment approach 2

[0013] Specific embodiment two: This embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, the axis line of the first vertical introduction roller 2 and the axis center of the second vertical introduction roller 3 described in the specific embodiment one The line is perpendicular to the axis line of the first horizontal introduction roller 4 and the axis line of the second horizontal introduction roller 5; The line is parallel to the axis of the first horizontally introducing roller 4 and the axis of the second horizontally introducing roller 5 .

specific Embodiment approach 3

[0014] Embodiment 3: This embodiment is described in conjunction with Fig. 4, Fig. 5, and Fig. 6. The equal-path angle extrusion die 6 described in Embodiment 1 is composed of an upper die 6-3 and a lower die 6-4; A right-angle through groove 6-3-1 is opened on the lower end surface of the upper die 6-3, and the cross section of the right-angle through groove 6-3-1 is semicircular, and a right-angle through groove 6 is opened on the upper end surface of the lower die 6-4. -4-1, the cross section of the right-angle through groove 6-4-1 is semicircular; the lower end face of the upper die 6-3 connects the upper end face of the lower die 6-4, and makes the right angle on the lower end face of the upper die 6-3 The through groove 6-3-1 coincides with the right angle through groove 6-4-1 on the upper end surface of the lower die 6-4, and then combined to form a complete equal diameter right angle through hole.

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Abstract

An apparatus and method for continuously casting the semi-solid blank of light alloy is disclosed. Its advantages are simple structure, high microstructure uniformity, and fine crystal grain (less than 50 microns).

Description

Technical field: [0001] The invention relates to the technical field of continuous preparation of cast light alloy semi-solid billets. Background technique: [0002] Semi-solid processing technology is an alloy precision near-net shape technology with very promising application prospects and industrial application value provided by scholars such as Flemings of MIT in the early 1970s. After more than 30 years of development, semi-solid processing technology has been divided into thixoforming technology and rheoforming technology. At present, thixotropy technology is the most widely used; semi-solid thixotropy technology has been well applied in automobiles, aviation, aerospace and electronic appliances. Semi-solid thixoforming technology is generally divided into three processes: preparation of semi-solid billet, secondary heating (remelting) and thixoforming. In the research of semi-solid thixoforming technology, the preparation of semi-solid blanks is always the hottest r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C23/02B21C25/02
Inventor 罗守靖姜巨福霍文灿
Owner HARBIN INST OF TECH
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