Casting rolling device and method for aluminum alloy plate blank

A technology for aluminum alloy and slab, applied in the field of aluminum alloy casting and rolling equipment and manufacturing, to reduce segregation, avoid surface and center band segregation, and achieve good effects

Active Publication Date: 2016-03-16
NORTHEASTERN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many technical difficulties in the production of thicker slabs by casting and rolling, such as the design

Method used

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  • Casting rolling device and method for aluminum alloy plate blank
  • Casting rolling device and method for aluminum alloy plate blank
  • Casting rolling device and method for aluminum alloy plate blank

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0036] Example 1

[0037] A casting and rolling device for aluminum alloy slabs, such as figure 1 As shown, it includes a casting nozzle (pouring nozzle) 1, a platform 2, a casting roll, an electromagnetic field generating device 3, a pulse power supply 4 and a water spray cooling device;

[0038] There are two casting rolls, the upper roll 6 and the lower roll 7, which are placed symmetrically up and down, and cooling water 8 flows through the rolls; the platform 2 is located on the melt inflow side outside the casting roll; the casting nozzle 1 is placed on the platform 2, The casting nozzle outlet 9 is located between the upper roller 6 and the lower roller 7, and the height is below the center line of the cast slab, which is used to send the melt 10 into the casting roll and avoid the pre-solidification of the casting zone 11; the electromagnetic field generator 3 is in the casting roll It is located on the inflow side of the melt and is composed of a power source and a magneti...

Example Embodiment

[0039] Example 2

[0040] A casting and rolling device for aluminum alloy slabs has the same structure as the device in Example 1, except that no pulse power is provided.

Example Embodiment

[0041] Example 3

[0042] A casting and rolling device for aluminum alloy slabs has the same structure as the device in Embodiment 1, except that there is no electromagnetic field generating device.

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Abstract

The invention provides a casting rolling device and method for an aluminum alloy plate blank, belongs to the field of aluminum alloy casting-rolling equipment and production, and aims at solving the technical problems of the casting rolling method for producing thick aluminum alloy plate blanks. The device comprises a casting port, a platform, a casting-rolling roller, an electromagnetic field generating device and/ or a pulse power supply, and a water spraying cooling device. The casting rolling method comprises the following steps: mixing materials of the aluminum alloy based on the content ratio of each component, and smelting into a melt; conveying the aluminum alloy melt into the casting port of the device to form a standing plate so as to form a solidified housing with proper thickness on the surface of the plate blank; starting the water spraying cooling device, the electromagnetic field generating device and/ or the pulse power supply to perform casting-rolling after the standing plate is formed; stopping casting-rolling after the plate blank reaches a certain length, so as to obtain the aluminum alloy plate blank. With the adoption of the device and the method, a casting-rolling area can be prevented from early solidifying, so that the segregation of the plate blank can be reduced; in addition, the melt can be prevented from pollution while a structure is refined.

Description

technical field [0001] The invention belongs to the field of aluminum alloy casting and rolling equipment and manufacturing, and in particular relates to a casting and rolling device and a casting and rolling method of a relatively thick aluminum alloy slab. Background technique [0002] At present, the blank supply methods of industrial aluminum foil and sheet mainly include hot rolling method and casting rolling method. The process of the hot rolling method mainly includes semi-continuous ingot casting, heating, billet opening, face milling, heating, hot rolling, etc. There are many processes, high energy consumption, and a large one-time investment in equipment. The casting and rolling method is to directly pour liquid aluminum alloy into two rolls with cooling water inside, and directly produce a slab with a thickness of 6-8mm under the action of cooling and certain pressure. Therefore, compared with the hot rolling method, the casting and rolling method has the advanta...

Claims

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Application Information

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IPC IPC(8): B22D11/06B22D11/114B22D11/115B22D11/124
CPCB22D11/003B22D11/0622B22D11/114B22D11/115B22D11/124C22C21/02C22C21/08C22C21/10
Inventor 许光明
Owner NORTHEASTERN UNIV
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