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Device special for equal channel angular extrusion

A technology of equal channel corner and special device, applied in the field of channel corner extrusion special device, can solve the problems such as restricting the promotion and application of equal channel corner extrusion process, slow extrusion speed, and inconvenient operation, so as to speed up the promotion and application. , improve performance, easy to operate

Active Publication Date: 2016-04-20
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Abstract
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Problems solved by technology

Since the equal-channel angular extrusion process is a large plastic deformation process, the extrusion speed is relatively slow during equal-channel angular extrusion, and excessive speed may easily lead to extrusion failure. At present, the sample preparation is mainly completed by a large-tonnage punching machine. The hydraulic method is mainly used for extrusion, but the production efficiency of this method is low, and the operation is inconvenient, which limits the promotion and application of the equal channel angular extrusion process

Method used

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  • Device special for equal channel angular extrusion
  • Device special for equal channel angular extrusion
  • Device special for equal channel angular extrusion

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two elements. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defi...

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Abstract

The invention discloses a device special for equal channel angular extrusion. The device comprises a fixing support, a belt transmission mechanism, a chain transmission mechanism, a horizontal movement mechanism and a die fixing mechanism; the belt transmission mechanism is used for outputting and transmitting rotating power of a motor to an input shaft of a reducer, and the rotating power is output after speed reduction of the reducer; the chain transmission mechanism is used for transmitting the rotating motion output by the reducer to the horizontal movement mechanism; the horizontal movement mechanism is used for converting the rotation motion into low-speed horizontal movement; and the die fixing mechanism is used for fixing a die obtained after equal channel angular extrusion, and equal channel angular extrusion is completed through the die under horizontal movement of the horizontal movement mechanism. The device special for equal channel angular extrusion is specially developed according to the equal channel angular extrusion process, the high-speed rotation motion of the motor can be changed into low-speed horizontal movement, the output extrusion force magnitude and the extrusion speed can be adjusted at any time according to the equal channel angular extrusion process, and the device has the beneficial effects of being high in efficiency, simple in structure, good in reliability, safe in operation and the like.

Description

technical field [0001] The invention relates to the technical field of mechanical processing and material forming, in particular to a special device for equal channel angular extrusion. Background technique [0002] Equal channel angular extrusion is a technology that refines the structure of the material and improves the performance of the material by subjecting the material to large plastic deformation. In the 1990s, Valiev et al. used this technology to obtain ultra-fine-grained aluminum alloys with sub-micron grain sizes, which set off a wave of research by scholars from all over the world on the refinement of material structures by equal-channel angular extrusion. Up to now, more than ten kinds of materials, including pure metals, single-phase alloys, multi-phase alloys, and metal matrix composites, have been researched on the structure refinement of ECAEP, and submicron or nanometer microstructures have been obtained. Class ultra-fine grain structure, the performance ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C23/21
Inventor 高雷雷王高观李琦沙磊
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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