High-multiple aluminum profile extrusion die and extrusion technology

Abstract

The invention discloses a high-multiple aluminum profile extrusion die which comprises an upper die and a lower die and is characterized in that a plurality of shunting bridges are uniformly distributed on the material feeding surface of the upper die along the circumference; a plurality of shunting holes are formed among the shunting bridges; a false shunt is arranged at the center of the material feeding surface of the upper die; a welding chamber is formed in the upper die; the material feeding end of the lower die is designed into a plane; the lower die is provided with a working tape communicated with a material guide opening; a plurality of tooth position die holes and a plurality of assembling position die holes are formed in the working tape. The invention also discloses an extrusion technology for producing an aluminum profile through the die. The high-multiple aluminum profile extrusion die disclosed by the invention guarantees the consistency of flowing speeds and flow rates of metals under a design form that the flow rates are uniformly distributed to all the shunting hole structures, so that stress on the die is alleviated. The working tape of the extrusion die is ingenious and compact in design and can achieve flatness, perpendicularity and low surface roughness after being treated, so that the yield of products is improved, and the profile extruded through the working tape has a good heat dissipation effect.

Description

technical field [0001] The invention relates to the technical field of aluminum extrusion product manufacturing, in particular to a high-multiple aluminum profile extrusion die and an extrusion process. Background technique [0002] Aluminum products have a series of excellent properties, such as good strength, good weather resistance, and low density, and are often used to make radiator parts or exterior decorations. At present, in the production process of aluminum profiles, it is necessary to use extrusion dies to shape the aluminum profiles. When in use, the heat dissipation of the shaping die of the extrusion die is slow, and the heat dissipation effect is poor. Long-term use is easy to cause damage to the mold. [0003] In actual production, the extrusion die directly completes the plastic deformation of the metal, and is subjected to high temperature, high pressure, and high friction during the entire extrusion process, so it is easy to be scrapped due to plastic defo...

AI Technical Summary

Problems solved by technology

Cooling the mold through the cold water jacket set on the outer surface of the mold can have a certain effect on some common extrusion molds. However, for the production of radiator aluminum profile extrusion molds with too long teeth or complex shapes, due to The tooth height of the radiator produced by the mold is too long, the temperature of the outer side of the mold working belt tooth-shaped die hole dissipates faster, and the temperature of the inner side dissipates slower, so that the mold works with each working area of ​​the tooth-shaped die hole Uneven heat dissipation leads to tooth swing, deformation or breakage of the product, which seriously affects product quality, resulting in a low product yield rate, and the scrap rate of extrusion dies is much higher than other types of ordinary dies

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