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Two-hole die

A mold and die hole technology, applied in the field of double-hole molds, can solve the problems of large differences in profile appearance and low profile quality

Active Publication Date: 2018-01-16
GUANGDONG HOSHION IND ALUMINUM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on this, the present invention is to overcome the defects of large appearance difference and low profile quality of the profiles produced by the prior art double-hole mold, and provide a double-hole mold

Method used

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.

[0024] Such as figure 1 A kind of double-hole mold shown, comprises: be provided with the deflector 10 of first deflector hole 11 and second deflector hole 12, and the lower mold 20 that cooperates with described deflector 10; Said lower mold 20 includes a first die hole 21 and a second die hole 22, the first guide hole 11 communicates with the first die hole 21, and the second guide hole 12 communicates with the second die hole 22; the first guide hole 12 communicates with the second die hole 22; The projection of the material inlet 111 of the hole ...

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Abstract

The invention discloses a two-hole die. The two-hole die comprises a guide plate provided with a first guide hole and a second guide hole, and a lower die matched with the guide plate. The lower die comprises a first die hole and a second die hole, and the first guide hole and the second guide hole communicate with the first die hole and the second die hole respectively. A projection of a feed inlet of the first guide hole on the lower die does not coincide with the first die hole. A projection of a feed inlet of the second guide hole on the lower die does not coincide with the second die hole. By the adoption of the two-hole die provided by the invention, flow rate difference of metal caused by central asymmetry of upper and lower die surfaces and the die holes due to the arrangement of the die holes of the two-hole die is eliminated; furthermore, since the feed inlets do not directly face the first die hole and the second die hole, metal liquid does not directly flow into the first die hole and the second die hole, but enters the first die hole and the second die hole after passing through guide paths of the first guide hole and the second guide hole, in this way, extrusion forceis increased, and a produced sectional material has greater strength.

Description

technical field [0001] The invention relates to the field of metal forming dies, more specifically, to a double-hole die. Background technique [0002] The aluminum alloy mobile phone case is light, has a cold metal texture and anodized decoration, and the mobile phone case has entered the era of aluminum alloy for all. The most widely used method of aluminum alloy mobile phone casing is aluminum alloy extruded sheet, and in the process of profile production, mold is a very important and key tool. At present, the molds used by designers include single-hole molds and double-hole molds. The extrusion efficiency of single-hole molds is low, and although the extrusion efficiency of traditional double-hole molds is high, the appearance quality of profiles obtained by using traditional double-hole molds varies greatly. Low. Contents of the invention [0003] Based on this, the present invention provides a double-hole mold to overcome the defects of large appearance differences...

Claims

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Application Information

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IPC IPC(8): B21C25/02
Inventor 丁小理李建湘刘志成王新华邓汝荣
Owner GUANGDONG HOSHION IND ALUMINUM CO LTD