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A kind of magnesium alloy profile multi-directional repeated extrusion deformation processing device and processing method

A technology of repeated extrusion and processing methods, applied in the direction of metal extrusion dies, etc., to achieve the effects of uniform strain, avoiding stress concentration, and convenient operation

Active Publication Date: 2022-07-26
HUNAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the object of the present invention is to provide a multi-directional repeated extrusion deformation processing device for magnesium alloy profiles. Pressed samples can be cut into flakes or blocks of magnesium alloy products to prepare a large number of high-performance magnesium alloy products of various sizes, which improves production efficiency and processing accuracy. In addition, it is easy to disassemble and easy to maintain. The wear of the punch is small, and the magnesium alloy processed by this device has good strength, plasticity and corrosion resistance

Method used

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  • A kind of magnesium alloy profile multi-directional repeated extrusion deformation processing device and processing method
  • A kind of magnesium alloy profile multi-directional repeated extrusion deformation processing device and processing method
  • A kind of magnesium alloy profile multi-directional repeated extrusion deformation processing device and processing method

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Embodiment 1

[0033] A multi-directional repeated extrusion deformation processing device for magnesium alloy profiles, including a punch 1, an upper die 2 and a lower die 6, the upper die 2 is provided with a die cavity, and the die cavity is formed by the punch. The channel 3 and the extrusion channel 5 are formed. The punch channel 3 is in the shape of a cuboid, the extrusion channel 5 is in the shape of an inverted regular quadrangular prism, and the upper die 2 and the lower die 6 are connected and combined by screws and pins. into a concave mold, the punch 1 is arranged in the punch channel 3, and is matched with the punch channel 3; The height H of the quadrangular platform of the cavity, the four edges of the quadrangular platform are inclined upward, and are provided with rounded corners of 1mm.

[0034] The method for multi-directional repeated extrusion deformation processing of magnesium alloy profiles adopts the above-mentioned multi-directional repeated extrusion deformation p...

Embodiment 2

[0047] A multi-directional repeated extrusion deformation processing device for magnesium alloy profiles, including a punch 1, an upper die 2 and a lower die 6, the upper die 2 is provided with a die cavity, and the die cavity is formed by the punch. The channel 3 and the extrusion channel 5 are composed, the punch channel 3 is in the shape of a cuboid, the extrusion channel 5 is in the shape of an inverted regular quadrangle, and the upper die 2 and the lower die 6 are connected and combined by screws and pins. into a concave mold, the punch 1 is arranged in the punch channel 3, and is matched with the punch channel 3; The height H of the quadrangular platform of the cavity is set, and the four edges of the quadrangular platform are inclined upward, and are provided with rounded corners of 1.5 mm.

[0048] The method for multi-directional repeated extrusion deformation processing of magnesium alloy profiles adopts the above-mentioned multi-directional repeated extrusion defor...

Embodiment 3

[0061] A multi-directional repeated extrusion deformation processing device for magnesium alloy profiles, including a punch 1, an upper die 2 and a lower die 6, the upper die 2 is provided with a die cavity, and the die cavity is formed by the punch. The channel 3 and the extrusion channel 5 are composed, the punch channel 3 is in the shape of a cuboid, the extrusion channel 5 is in the shape of an inverted regular quadrangle, and the upper die 2 and the lower die 6 are connected and combined by screws and pins. into a concave mold, the punch 1 is arranged in the punch channel 3, and is matched with the punch channel 3; The height H of the four-sided platform of the cavity is set, and the four edges of the four-sided platform are inclined upward and provided with rounded corners of 2mm.

[0062] The method for multi-directional repeated extrusion deformation processing of magnesium alloy profiles adopts the above-mentioned multi-directional repeated extrusion deformation proce...

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Abstract

The invention relates to the technical field of metal material processing equipment, in particular to a multi-directional repeated extrusion deformation processing device and a processing method for magnesium alloy profiles. The processing device includes a punch, an upper die and a lower die, the upper die is provided with a die cavity, the die cavity is composed of a punch channel and an extrusion channel, and the punch channel is in the shape of a cuboid, The extrusion channel is in the shape of an inverted regular quadrangular prism, the upper and lower concave die are connected and positioned by screws and pins to form a concave die, and the punch is arranged in the punch channel and is connected with the convex die. match the mold channel. The processing device of the invention has a simple structure and convenient operation, which is beneficial to the demoulding of extruded samples, can prepare a large number of high-performance magnesium alloy products of various sizes, and improves the production efficiency and processing accuracy. In the case of press production, the wear of the punch is small, and the magnesium alloy processed by this device has good strength, plasticity and corrosion resistance.

Description

technical field [0001] The invention relates to the technical field of metal material processing equipment, in particular to a multi-directional repeated extrusion deformation processing device and a processing method for magnesium alloy profiles. Background technique [0002] Magnesium alloys have the characteristics of low density, high specific strength and specific stiffness, and have broad application prospects in various fields. However, magnesium alloys have a close-packed hexagonal crystal structure, few independent slip systems, and poor plasticity at room temperature, which greatly limits their application range. When the deformation temperature is higher than 498K, the plastic deformation ability of magnesium alloys is improved to a certain extent. The traditional cast magnesium alloy has gradually been unable to meet the industrial requirements, and the wrought magnesium alloy produced by extrusion, forging, rolling and other processes has higher strength and bet...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C25/02B21C23/21B21C23/32B21C29/00B21C29/04
CPCB21C25/02B21C23/21B21C23/212B21C23/32B21C29/003B21C29/04
Inventor 卢立伟项瑶车波马旻刘楚明唐伦圆马虎文
Owner HUNAN UNIV OF SCI & TECH
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