Casting equipment and method for continuous production of controllable-density oxidation-free foamed aluminum sheets

A foamed aluminum, non-oxidation technology, applied in the field of metal materials, can solve the problems of uneven foam density of foamed aluminum boards and failure to meet the cooling conditions of foamed aluminum, and achieve the effect of uniform and controllable foam density and high-quality foam density

Inactive Publication Date: 2015-01-07
四川金岳新型材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the graphite mold of the horizontal continuous casting is too short to meet the cooling conditions of the a

Method used

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  • Casting equipment and method for continuous production of controllable-density oxidation-free foamed aluminum sheets
  • Casting equipment and method for continuous production of controllable-density oxidation-free foamed aluminum sheets
  • Casting equipment and method for continuous production of controllable-density oxidation-free foamed aluminum sheets

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Embodiment Construction

[0082] The present invention will be described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.

[0083]The embodiment of the present invention provides a casting device for continuous production of density-controllable and non-oxidized foamed aluminum sheets, which includes a resistance heating continuous foaming furnace 1, an air blowing mixer 2 installed on the foamed aluminum liquid guide cover, and a nitrogen cooling box 3 , steel belt conveyor 4, flying shear 5, and conveying roller table and other equipment, as well as nitrogen drying system and electrical control system (not shown, not as innovative content), are integrated according to the gas injection method and horizontal continuous casting technology without oxidation protection Realize the continuous production of large-size aluminum foam boards.

[0084] The specific structure of the continuous production density controllable non-oxidized aluminu...

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Abstract

The invention discloses casting equipment and method for continuous production of controllable-density oxidation-free foamed aluminum sheets. The equipment comprises a resistive heating continuous foaming furnace, a blower stirrer, a nitrogen cooling tank, a strip steel conveyor, flying shears and a conveying roller bed; the blower stirrer is mounted on a foamed molten aluminum guide hood; the devices above allow sufficient guiding, full stirring and uniform filling of air in blow holes; the molten aluminum and bubbles are fully mixed to obtain controllable-density uniform foamed aluminum; the strip steel conveyor drives the foamed molten aluminum into a terminal cooling space at a constant traction speed, not a press roller manner but a graphite baffle manner is adopted to scrape-thin the foamed molten aluminum (not increasing surface bubble density but ensuring uniform density of the foamed molten aluminum), the foamed molten aluminum is fed to the following cooling space to allow the internal of the foamed aluminum to harden; finally, high-quality foamed aluminum sheets free of oxidization and internal cracking and having uniform and controllable foam density can be produced; low-cost production is achieved.

Description

technical field [0001] The invention relates to the field of metal materials, in particular to a casting device and method for continuously producing foamed aluminum sheets with controllable density and no oxidation. Background technique [0002] Aluminum foam is a composite material composed of metal phase and pores; it combines the metal characteristics of continuous phase aluminum (such as appropriate strength and rigidity, high temperature resistance, etc.) , shock absorption, shielding, etc.) combined together, can be widely used in the manufacturing structure of transportation vehicles, shielding and heat preservation in the construction industry, sound insulation to reduce operating noise in the machinery industry, and metallurgy and chemical industry, electronic communications and aerospace, ships, military Explosion-proof and other technical fields. Currently limited to the technical limitations of basic industries, foamed aluminum has: flow casting method, electro...

Claims

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Application Information

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IPC IPC(8): B22D11/06B22D11/114B22D11/108B22D11/117B22D21/04C22C1/08
CPCB22D11/06B22D11/108B22D11/114B22D11/117B22D21/04C22C1/08
Inventor 何大海李占威谢云峰李宾
Owner 四川金岳新型材料有限公司
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