A corner aluminum profile extrusion die

A technology for extrusion dies and aluminum profiles, applied in metal extrusion dies and other directions, it can solve the problems of low average output and life, and achieve the effect of high die structural strength, consistent wall thickness, and improved die life.

Active Publication Date: 2018-01-26
GUANGZHOU VOCATIONAL COLLEGE OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the current industry, the average production life of each set of corner extrusion dies is less than 5 tons, and the price of the dies is at least 10,000 yuan per set

Method used

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  • A corner aluminum profile extrusion die
  • A corner aluminum profile extrusion die
  • A corner aluminum profile extrusion die

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Embodiment Construction

[0026] Below, in conjunction with accompanying drawing and specific embodiment, the present invention is described further:

[0027] refer to Figure 1-6 , the embodiment of the present invention provides a corner aluminum profile extrusion die, including an upper die 200 and a lower die 300, the upper die 200 includes a core 220, and the lower die 300 includes The combined welding chamber 310, the upper mold 200 and the lower mold 300 are closed, and the mold core 220 of the upper mold 200 and the welding chamber 310 of the lower mold 300 form a working belt for forming the corner aluminum profile 100; the mold core The upper die 200 around 220 is provided with four diversion holes 210 corresponding to the four sides of the corner aluminum profile 100, and the diversion bridge 230 is between the diversion holes 210 and the diversion holes 210, and the diversion holes 210 adopt a parallel oblique entry type The structure, specifically, the inclination angle of the split hole ...

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Abstract

The invention discloses a cornered aluminum profile extruding die which comprises an upper die body and a lower die body. The upper die body comprises a die core. The lower die body comprises a welding chamber attached to the outer contour of a cornered aluminum profile. The upper die body and the lower die body are assembled together. A working zone used for forming the cornered aluminum profile is formed between the die core of the upper die body and the welding chamber of the lower die body. The portion, on the periphery of the die core, of the upper die body is provided with four dividing holes corresponding to the four edges of the cornered aluminum profile. A dividing bridge is arranged between every two adjacent dividing holes. The dividing holes are of a parallel inclined structure. The dividing holes are partially overlapped with the die core in the vertical direction. The overlapped area S5 of the dividing holes corresponding to the adjacent arc edge of the cornered aluminum profile and the die core is smaller than or equal to 1.5 times the overlapped area S6 of the dividing holes corresponding to the straight edges and the die core. According to the cornered aluminum profile extruding die, the die strength is greatly improved, die machining is simplified and facilitated, the production cost is greatly reduced, the phenomenon that bridge fracture occurs soon after the die is placed on a machine is avoided, the service life of the die is greatly prolonged.

Description

technical field [0001] The invention relates to the technical field of extrusion dies or extrusion dies, in particular to an extrusion die for corner aluminum profiles. Background technique [0002] With the advancement of modern science and technology and the sustained and rapid development of the economy, especially the increasing development of manufacturing and the advancement of modern processing technology, aluminum alloys have good corrosion resistance, light weight, weldability, etc. The deeper understanding and understanding of aluminum alloys makes the application of aluminum alloy profiles more extensive. In the products of aluminum profiles for civil buildings, corner profiles are a very common type of profile, such as figure 1 shown. [0003] The main problems in the extrusion production process are the difficulty of forming and the prone to bridging of the die, which leads to premature failure and low die life. [0004] The cross-section of this profile has ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C25/02
CPCB21C25/02
Inventor 郧鹏黄雪梅邓汝荣
Owner GUANGZHOU VOCATIONAL COLLEGE OF SCI & TECH
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