Method and mold for continuously and gradually extruding high-rib profile

Abstract

The invention provides a method and mold for continuously and gradually extruding a high-rib profile. The mold comprises an upper mold and a lower mold. A central position of the upper mold is provided with a deflector hole; a front end surface of the lower mold is provided with a material dodging hole; the upper part of the material dodging hole is provided with a plurality of grooves and teeth which are distributed alternatively side by side; gaps are provided between the teeth and the bottom surface of the material dodging hole; the plurality of grooves and teeth extend to the back end surface of the lower mold; the height of the grooves increases linearly from the teeth end of the teeth until the height is identical to that of the high-rib teeth of the high-rib profile; edges of end parts of the teeth extend obliquely from the top of the material dodging hole and from the top to bottom; end parts of the teeth are in a truncated cone-shaped cleaver head structure; and inlet ends of the grooves are provided with working bands. A gradually changing structure is adopted by the grooves and the teeth; the teeth ends are provided with cleaver head, so that gradual shaping and radial flowing of the metal are realized in an extrusion and deformation process. Meanwhile, the length of the suspension arm is reduced by a half; and the service life of the mold is increased qualitatively.

Description

technical field [0001] The invention belongs to the field of profile processing, and in particular relates to a method and a mold for continuously and gradually extruding a high-gluten type profile. Background technique [0002] High-reinforced materials are indispensable parts in machinery, electronics and other industries, mainly for heat dissipation and reinforcement. At this stage, extrusion is generally used for production and preparation. Extrusion production has a series of advantages, such as high production efficiency, dense internal structure of materials, good mechanical properties, material saving, and good heat transfer effect. [0003] However, there are still certain difficulties in the production of high-reinforced profiles. Because the ribs of this type of profile are very high and densely distributed, the cantilever part of the lower die is easily damaged during the extrusion process, and the service life of the die is very low. , the production cost is v...

AI Technical Summary

Problems solved by technology

[0003] However, there are still certain difficulties in the production of high-reinforced profiles. Because the ribs of this type of profile are very high and densely distributed, the cantilever part of the lower die is easily damaged during the extrusion process, and the service life of the die is very low. , the production cost is very high, and it is difficult to achieve large-scale mass production

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