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Semi-solid horizontal extrusion mold for double-layer composite pipes and application thereof

A double-layer composite, horizontal extrusion technology, applied to metal extrusion dies and other directions, can solve problems such as poor inner surface quality, and achieve the effects of good reusability, simple processing process and easy production.

Inactive Publication Date: 2016-06-15
扬州宏福铝业有限公司
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Problems solved by technology

This method achieves a metallurgical bond at the interface, but requires subsequent processing and often has poorer internal surface quality

Method used

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  • Semi-solid horizontal extrusion mold for double-layer composite pipes and application thereof

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Experimental program
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Embodiment Construction

[0027] 1. Mould structure description:

[0028] Such as figure 1 As shown, the semi-solid horizontal extrusion die of the double-layer composite pipe of the present invention is composed of a base 10, an extrusion sleeve 16, an extrusion rod 1, an inner extrusion die 12, and an outer extrusion die 11.

[0029] A groove is provided on the right side of the base 10, the outer extrusion die 11 and the inner extrusion die 12 are respectively placed in the groove, the outer periphery of the outer extrusion die 11 is provided with a boss, and the inner extrusion die 12 is arranged outside the groove, And it is placed on the boss of the outer extrusion die 11. An extrusion hole 8 is provided on the outer extrusion die 11, and the surface of the extrusion hole 8 is provided with a first flow guiding curved surface.

[0030] A cylindrical shaped tube outlet 18 concentric with the extrusion hole 8 is provided on the base 10, and the diameter of the shaped tube outlet 18 is slightly larger th...

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Abstract

The invention discloses a semi-solid horizontal extrusion mold for double-layer composite pipes and application thereof, and relates to the technical field of production of double-layer metal composite pipes. The mold comprises a base, an extrusion sleeve, an extrusion rod, an inner extrusion mold and an outer extrusion mold. The mold, providedby the invention, is simple in structure and convenient for manufacturing and use, can be applied to continuous production of metal composite pipes with different inner and outer materials, and is low in energy consumption, short in flow, flexible in structure and excellent in reusability, interfaces can reach high strength of metallurgical bond,and high-quality and high-efficiency semi-solid extrusion molding can be realized.

Description

Technical field [0001] The invention relates to the technical field of production of double-layer metal composite pipes, in particular to a mold and method for preparing aluminum-magnesium double-layer pipes. Background technique [0002] The composite double-layer pipe refers to a pipe made of dissimilar metals in the inner and outer layers through a certain processing method. The inner and outer layer materials have different properties and can meet the requirements of different working environments. [0003] At present, composite double-layer pipes have broad application prospects in the petroleum industry, aerospace, home appliance manufacturing, and automobile industry. With the continuous development of my country's economy, the national industry's demand for composite pipes continues to increase, and there are higher and higher requirements for the performance and quality of pipes. In addition, due to the increasingly prominent environmental problems in our country and the ...

Claims

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Application Information

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IPC IPC(8): B21C23/24B21C25/02B21C29/04
CPCB21C23/24B21C25/02B21C29/04
Inventor 王开坤丘鑫尹飞王雷刚吕恒林仇世伟
Owner 扬州宏福铝业有限公司
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