Device and method for preparing metal composite material with coating structure through bidirectional extrusion

A metal composite material and cladding structure technology, applied in the direction of metal extrusion dies, etc., can solve the problems of long production process, large energy consumption, and low production efficiency

Active Publication Date: 2021-05-07
HUNAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing technology, the traditional rolling crimping method and cladding welding method have the disadvantages of long production process and high cost.
At the same time, the dual-metal clad material continuous casting direct composite forming method and the horizontal continuous casting direct composite forming method in the prior art have disadvantages such as high investment cost, l...

Method used

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  • Device and method for preparing metal composite material with coating structure through bidirectional extrusion
  • Device and method for preparing metal composite material with coating structure through bidirectional extrusion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031]A bidirectional extrusion prepared a film-covered metal composite material comprising: a fixed bracket 1, a composite extrusion mold 5, an extrusion, an extruder 10, a forward extrusion device 3, and a reverse extrusion device. 13. The composite extrusion mold 5 is disposed between the forward extrusion device 3 and the reverse extrusion device 13.

[0032]The forward extrusion device 3 and the reverse pressing device 13 provide an extrusion driving force.

[0033]The outer sleeve of the composite extrusion mold 5 is provided with a mounting base 12, and the mounting base 12 is fixed to the fixed bracket 1.

[0034]Wherein, the mounting base 12 is fixed to the composite extrusion mold 5 by fastening screw 2.

[0035]One end of the composite extrusion mold 5 is provided with a forward extrusion die 51, and the other end is provided with a reverse extrusion die 52, and the forward extrusion die 51 and the reverse extrusion die 52 are connected by a connection passage 8. Wherein, the mountin...

Embodiment 2

[0042]A method of preparing a coated metal composite material in a two-way extrusion, the method comprising the two-way extrusion provided in Example 1, and the method comprising the steps of:

[0043]S10, the inner layer blank 6, the outer hollow blank 9 is placed in the forward extrusion die 51, and in reverse extrusion die 52;

[0044]S20, start the first heating device 7 and the second heating device 11;

[0045]S30, the reverse extrusion device 13 operates by pressing the outer hollow blank 9 when it is pressed backwards after pressing the extruded punch 4;

[0046]S40, use the first extrusion convex, starting to work to the extrudation device 3, and the inner layer blank 6 is squeezed into the outer hollow blank 9;

[0047]When the inner layer blank 6 extrudes the outer hollow blank 9, the reverse pressing device 13 moves in the direction of the extruded convex mold 4, and maintains the forward extrusion blank extrusion speed and the reverse extruded blank extrusion speed phase. Match, extru...

Embodiment 3

[0051]In this example, an aluminum-clad magnesium composite bar having a diameter of magnesium alloy is prepared, an outer layer of aluminum alloy thickness of 5 mm: AZ31 magnesium alloy inner layer blank 6 has an outer diameter of 90 mm, an inner diameter hole 30mm, an outer diameter of 60 mm 7050 aluminum alloy Outer hollow blank 9.

[0052]S10, an AZ31 magnesium alloy inner layer of an outer diameter of 60 mm, a 7050 aluminum alloy outer layer blank having an outer diameter of 60 mm, an outer diameter of 60 mm, and a forward extrusion die 51 in a composite extrusion die, Inside the extruded die 52;

[0053]S20, the first heating device 7 is activated to 400 ° C; the second heating device 11 is activated, the temperature is warmed to 420 ° C, and heat the temperature for 30 minutes;

[0054]S30, the reverse extrusion device 13 operates by pressing the 7050 aluminum outer layer blank after pressing the extrusion convex mode after pressing the extruder 10;

[0055]S40, use the first extrusion c...

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Abstract

The invention discloses a device and a method for preparing a metal composite material of a coating structure through bidirectional extrusion, and belongs to the technical field of metal composite material machining. The device comprises a fixed support, a combined extrusion die, an extrusion male die, an extrusion container, a forward extrusion device and a backward extrusion device, the combined extrusion die is arranged between the forward extrusion device and the backward extrusion device, a mounting base sleeves the outer side of the combined extrusion die and is fixedly connected with the fixed support, a forward extrusion female die is arranged at one end in the combined extrusion die, a backward extrusion female die is arranged at the other end, one end of the extrusion male die is matched with the forward extrusion female die, the other end of the extrusion male die is matched with the forward extrusion device, one end of the extrusion cylinder is matched with the backward extrusion female die, and the other end of the extrusion cylinder is matched with the backward extrusion device. According to the device and the method for preparing the metal composite material of the coating structure through bidirectional extrusion, blank defects are eliminated by extruding an inner-layer blank, a new metal surface is generated, and the composite material with high surface binding force and excellent material mechanical property is obtained through subsequent extrusion composite forming.

Description

Technical field[0001]The present invention belongs to the processing of the metal composite material, and in particular, to a two-way extrusion prepared apparatus and method of a metal composite material.Background technique[0002]The metal composite material is a new composite material prepared by a metal having a solid metallurgy in the interface using a composite technique to make two or more metallurgical metallurgy in the interface. The metal composite material has a single metal material is unparalleled, and the appropriate material is selected and appropriately combined, not only the own characteristics of the composition material can be retained, but also to make the properties of the composition material complement each other to obtain the composite material. Excellent overall performance. Copper clad aluminum, copper-clad steel, aluminum pack magnesium pack magnesium and other composites, more and more applications in signal transmission, electricity delivery, transportatio...

Claims

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Application Information

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IPC IPC(8): B21C23/22B21C23/21B21C25/02
CPCB21C23/22B21C23/21B21C25/02
Inventor 刘文辉岳小明肖明月陈宇强唐昌平刘筱宋宇峰唐建国周洪刚黄浩
Owner HUNAN UNIV OF SCI & TECH
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