Novel hard aluminium alloy bar material hot-extrusion mold

A technology of hot extrusion die and hard aluminum alloy, applied in metal extrusion die and other directions, can solve the problems of poor fluidity of hard aluminum alloy, shrinking tail, difficult feeding of bar corners, etc., to eliminate shrinking tail and slub. effect of the phenomenon

Inactive Publication Date: 2009-02-04
JIANGYIN GIANSUN MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 2. Ordinary molds generally have welding steps 8-10mm away from the cavity
Due to the poor fluidity of the hard aluminum alloy, it wil

Method used

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  • Novel hard aluminium alloy bar material hot-extrusion mold
  • Novel hard aluminium alloy bar material hot-extrusion mold
  • Novel hard aluminium alloy bar material hot-extrusion mold

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Embodiment Construction

[0019] see figure 1 ~2, the novel duralumin alloy bar hot extrusion die that the present invention relates to, by pre-guiding mold 1 ( image 3 ), model 2 ( Figure 4 ) and Die Pad 3 ( Figure 5 ) is formed by assembling the pin 4 and the screw 5. The forward material welding chamber 1.1 of the front diversion mold 1 and the cavity working belt 2.2 of the mold 2 adopt a smooth transition of a circular arc 1.2, and the profile is extruded through the cavity working belt 2.2 of the mold 2. The discharge port 2.3 of the mold 2 and the mold pad 3 are sent out. The height of the front material welding chamber 1.1 is 40-50mm.

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Abstract

The invention relates to a novel duralumin alloy bar material hot extrusion die which is mainly used for the hot extrusion of the duralumin alloy bar materials in the fields of modern war industry, aviation and space, and automobile industry. The die comprises a pattern die (2) and a die cushion (3) and is characterized in that a preposed guide die (1) is additionally arranged before the pattern die (2); a front feeding soldering chamber (1.1) of the preposed guide die (1) and a pattern cavity working belt (2.2) of the pattern die (2) are smoothly transited by a circular arc (1.2); the height of the front feeding soldering chamber (1.1) of the preposed guide die (1) is 40-50mm. The die can eliminate the condensed trail of the existing duralumin alloy bar material.

Description

(1) Technical field [0001] The invention relates to an aluminum profile hot extrusion die. It is mainly used for hot extrusion of hard aluminum alloy rods in modern military industry, aerospace and automobile industries. It belongs to the technical field of mold processing. (2) Background technology [0002] With the development needs of modern military industry, aerospace and automobile industry, hard aluminum alloy rods (see figure 1 ) are used more and more widely, so the requirements for its quality are getting higher and higher. But at present, the shrinking of hard aluminum alloy rods is a long-standing and difficult problem that has plagued the development of extrusion technology for a long time. It has always been the number one waste in the production of aluminum alloy bars, accounting for almost half of the bar waste, seriously affecting the yield of bars, greatly increasing production costs, prolonging the production cycle, and reducing the production efficienc...

Claims

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Application Information

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IPC IPC(8): B21C25/02
Inventor 杨仙果李伟平
Owner JIANGYIN GIANSUN MOLD
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