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Metal rheological purification pressure forming equipment

A forming equipment, metal rheological technology, applied in the direction of magnetic separation, chemical instruments and methods, solid separation, etc., can solve problems such as rheological deformation involving defects, intergranular segregation, etc., to achieve simple operation, short process flow, The effect of flexibility

Active Publication Date: 2019-06-11
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the huge difference between theory and reality stems from the problems of rheological deformation involving defects and intergranular segregation.

Method used

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  • Metal rheological purification pressure forming equipment
  • Metal rheological purification pressure forming equipment
  • Metal rheological purification pressure forming equipment

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Taking A356 cast aluminum alloy as an example, the forming process of the metal rheological purification pressure forming equipment of the present invention is as follows: first, operate in the magnetic slag purification device 1, and pour the A356 melt onto the inclined runner 104 of the magnetic slag purification device 1 , the A356 melt flows along the inclined runner 104 to the outlet located at the bottom of the side wall of the box body 101, and under the magnetic force of the NdFeB permanent magnet plate 108, the magnetic slag in the A356 melt will be attracted to the inclined runner In the groove 105 on the surface of 104, the solid-liquid separation of the magnetic slag is completed. When the A356 melt is close to flow, the inclined runner 104 is lifted by the handle 103, and the remaining A356 melt flows to the direction of the discharge port until it is inclined The sprue 104 is close to the side wall where the outlet is located, and the excess A356 melt will ...

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Abstract

The invention provides metal rheological purification pressure forming equipment and belongs to the technical field of metal material processing. The equipment comprises a magnetic slag purifying device, a shearing and slag filtering device and a forming device, wherein a discharging opening of the magnetic slag purifying device is connected with an inlet of a combination runner of the shearing and slag filtering device, and an outlet of the combination runner of the shearing and slag filtering device is connected with a feeding opening of the forming device. The equipment can process all kinds of metal. The removal of magnetic slags, the filtering of slag inclusions and the shearing of metal fluid are continuously carried out at one procedure, cavity bottom mould filling and top movable mould downward pressurization are carried out, and metal parts, plates and the like with uniform and small crystal particles are finally prepared. Whether an inclined plate sprue has a function of purifying the magnetic slags or not can be controlled by installing or removing a Nd-Fe-B permanent magnet plate. Shearing and filtering functions can be added or omitted by installing or removing a titanium alloy sieve. The change of the shapes of the parts is realized by installing moulds with different cavities. By adopting modular design, the technical process is short, and the production efficiency is far higher than that of traditional equipment carrying out forming after molten state slag scraping.

Description

technical field [0001] The invention belongs to the technical field of metal material processing, and in particular relates to a metal rheological purification pressure forming equipment. Background technique [0002] The rheological forming process is to directly shape the semi-solid slurry, so it has the advantages of energy saving, short process, low production cost, high production efficiency, simple equipment, and a wide range of alloys suitable for semi-solid processing. Compared with high-pressure casting, vacuum die-casting, and squeeze-casting, rheological deformation can effectively reduce defects, and the utilization rate of material properties is higher than that of similar castings. Compared with isothermal die forging or superplastic forging, the mass utilization rate of rheological forming materials is close to that of high pressure casting materials, which is much higher than that of isothermal die forging or superplastic forging. It can form parts with compl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/00B03C1/30B22D1/00
Inventor 管仁国白景元张雪飞金红梅刘立忠铁镝
Owner NORTHEASTERN UNIV LIAONING
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