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Magnesium alloy continuous extrusion die

An extrusion die, magnesium alloy technology, applied in the direction of metal extrusion die, etc., can solve the problems of easy cracking of materials, waste of resources, and many procedures, and achieve the effects of high compressive strength, good elongation, and high yield strength.

Inactive Publication Date: 2010-12-01
CHONGQING UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] From the above-mentioned magnesium alloy deformation extrusion die, if it is necessary to extrude and deform the magnesium alloy billet with a thicker diameter into a profile with a thinner diameter, it must be completed through multi-pass extrusion. The large diameter is gradually extruded to the small diameter in passes. Every time the diameter of the extrusion channel is changed, the mold must be removed and replaced. The procedures are many and complicated, which wastes time and resources in actual production; especially the use of variable channel Angle extrusion die, after the extrusion ratio of each pass reaches 10:1, the extruded material is prone to cracks, which affects product quality

Method used

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  • Magnesium alloy continuous extrusion die
  • Magnesium alloy continuous extrusion die

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Embodiment Construction

[0032] see Figure 1 to Figure 4 , the magnesium alloy continuous extrusion die of the present invention comprises a left half die 1 and a right half die 3, and the extrusion channel of the continuous extrusion die is composed of two parts respectively arranged on the left and right half dies; wherein, the right half die 3 A part of it includes a circular through hole 4a and a plurality of semicircular section grooves 5a, the circular through hole 4a axially penetrates the right half mold 3, and a plurality of semicircular section grooves 5a are arranged on the left end of the right half mold 3 for clamping surface, radially distributed on the circumference of the circular through hole 4a and communicated with the circular through hole, the axial direction of each semicircular cross-section groove 5a is perpendicular to the axial direction of the circular through hole 4a, and the axis of each semicircular cross-sectional groove 5a The right half-mold 3 circumference does not e...

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Abstract

The invention relates to a magnesium alloy continuous extrusion die, and the continuous extrusion die is formed by assembling and fixing a left half die and a right half die together and forming a direct extrusion channel, a plurality of divergent extrusion channels, a plurality of forming channels, change channel angles and equal channel angles. The diameters of the divergent extrusion channels are the same, the sum of the diameters of the divergent extrusion channels is equal to the diameter of the direct extrusion channel, 90-degree rotation angles between the divergent extrusion channels and the direct extrusion channel are the change channel angles, the diameters of the forming channels which are communicated with the divergent extrusion channels are the same, and the 90-degree rotation angles between the forming channels and the divergent extrusion channels are the equal channel angles. The magnesium alloy continuous extrusion die can improve the industrial production efficiency of magnesium alloy deformation and extrusion through continuous extrusion.

Description

technical field [0001] The invention relates to a magnesium alloy extrusion molding die, in particular to a magnesium alloy continuous extrusion die capable of continuously extruding and deforming the magnesium alloy. Background technique [0002] Magnesium alloy is currently the lightest metal structure material. It has electrical conductivity, thermal conductivity, and electromagnetic shielding properties. At the same time, it has good performance, high specific strength and specific stiffness, good shock absorption, good cutting processing and dimensional stability, and is easy to recycle. It is beneficial to environmental protection and other advantages, and is known as "the green engineering material of the 21st century". With the development of light weight in industries such as automobiles, aviation, electronics and transportation, the application range of magnesium alloys is becoming wider and wider. Magnesium alloys are divided into cast magnesium alloys and wrought...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C25/02
CPCB21C23/001
Inventor 刘天模雷晓飞王金星秦文勇吕城龄刘德军陈铖
Owner CHONGQING UNIV
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