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Mold structure for semi-hollow profile with high slenderness ratio and manufacturing method of mold structure

A mold manufacturing and semi-hollow technology, which is applied in the field of processing molds and processing technology of aluminum alloy profiles for green buildings, can solve the problems of short mold use time and low mold processing efficiency, achieve high production efficiency, reduce technical difficulty and production Cost, the effect of increasing the surface hardness value

Inactive Publication Date: 2014-01-01
GUANGDONG WEIYE ALUMINUM FACTORY GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] One of the purposes of the present invention is to provide a mold structure with a large tongue ratio and a semi-hollow profile in order to overcome the shortcomings of the prior art such as short mold service time and low mold processing efficiency. The mold structure is simple and can realize mass production of profiles , the production cost is low, and the quality of the big tongue ratio semi-hollow profile can be guaranteed

Method used

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  • Mold structure for semi-hollow profile with high slenderness ratio and manufacturing method of mold structure
  • Mold structure for semi-hollow profile with high slenderness ratio and manufacturing method of mold structure
  • Mold structure for semi-hollow profile with high slenderness ratio and manufacturing method of mold structure

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specific Embodiment 1

[0034] Such as figure 2 , image 3 , Figure 4 and Figure 5 A mold structure with a large tongue ratio and a semi-hollow profile is shown. The mold adopts a shielded mold structure. The shielded mold includes an upper mold 1 and a lower mold 2. The upper mold 1 is provided with four evenly distributed shunts. Hole 1-2, die hole 2-2 and welding chamber 2-3 are provided on the lower die 2, and cantilever 2-1 is provided at the die hole 2-2; the mold core 1-1 of the upper die 1 partially covers the lower die The position of the cantilever 2-1 at the die hole 2-2 of 2 prevents the cantilever 2-1 of the mold from directly bearing the force of the deformed metal; the mold core 1-1 of the upper die 1 is shortened by 0.8-1.0 mm, and the cantilever There is a gap of 0.8-1.0mm between the top of part 2-1 and the bottom of part 1-1 of the mold core, which is used to eliminate the pressure on the cantilever due to the elastic deformation or extrusion of the center. This mold can effe...

specific Embodiment 2

[0055] The characteristics of this embodiment are: in the manufacturing method of the mold, the mold is quenched at a high temperature of 1035° C., and other features are the same as those of the specific embodiment 1.

specific Embodiment 3

[0056] The characteristics of this embodiment are: in the manufacturing method of the mold, the mold is quenched at a high temperature of 1035° C., and other features are the same as those of the specific embodiment 1.

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Abstract

The invention discloses a mold structure for a semi-hollow profile with the high slenderness ratio and a manufacturing method of the mold structure. A shielding type mold is composed of an upper mold and a lower mold; four shunting holes are uniformly distributed in the upper mold; a mold core of the upper mold shields a cantilever at a mold hole of the lower mold; a gap is reserved between the top of the cantilever and the bottom of the mold core; high-quality 4Cr5MoSiV1 hot working mold steel is used as the material of the mold, and the full-automatic machining method is adopted, so that the mold structure for the semi-hollow profile with the high slenderness ratio is designed; the mold is subjected to hot quenching, tempering and nitriding process, so that the hardness value of the surface of the mold is improved. The mold structure disclosed by the invention is simple and reasonable in structure, and adopts the shielding type mold structure composed of the upper mold and the lower mold, so that the cantilever of the mold can be prevented from direct acting force from deformed metal; the gap is reserved between the top of the cantilever and the bottom of the mold core of the upper mold, so that the pressure on the cantilever caused by central elastic deformation or extrusion can be eliminated, the quality of the profile is satisfactorily ensured, the technical requirement on the profile by a customer is met, and the service life is prolonged.

Description

technical field [0001] The invention relates to a mold for processing aluminum alloy profiles of green buildings and a processing technology thereof, in particular to a mold structure of a large-tongue-ratio semi-hollow profile and a manufacturing method thereof. Background technique [0002] There are more than 100 types of aluminum alloy structural extrusion profiles for green buildings, and a wide range of specifications. The existing aluminum alloy structural profiles for green buildings are directly used as parts and used in conjunction with related parts. Extruded profiles of aluminum alloy structures for green buildings have high technical requirements, complex shapes, and difficult production techniques. It is necessary to design and manufacture a variety of special structural molds to ensure the extrusion profile and various technical indicators. Extruded profiles of aluminum alloy structures for green buildings include various special-shaped profiles such as hollow...

Claims

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Application Information

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IPC IPC(8): B21C25/02B21C25/10
Inventor 冯扬明
Owner GUANGDONG WEIYE ALUMINUM FACTORY GRP
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