KR20030005885A - Semi-continual casting method of manufacturing a blowed aluminium panel - Google Patents

Semi-continual casting method of manufacturing a blowed aluminium panel Download PDF

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Publication number
KR20030005885A
KR20030005885A KR1020010041349A KR20010041349A KR20030005885A KR 20030005885 A KR20030005885 A KR 20030005885A KR 1020010041349 A KR1020010041349 A KR 1020010041349A KR 20010041349 A KR20010041349 A KR 20010041349A KR 20030005885 A KR20030005885 A KR 20030005885A
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South Korea
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aluminum
conveyor
foamed
semi
manufacturing
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KR1020010041349A
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Korean (ko)
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이동식
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이동식
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Publication of KR20030005885A publication Critical patent/KR20030005885A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/002—Castings of light metals
    • B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C

Abstract

PURPOSE: A semi-continuous casting type method for manufacturing an aluminium foam panel is provided to compression mold the aluminum foam panel on the conveyor using a certain shaped molding box by tapping to a conveyor aluminum foamed in a foaming furnace after passing through viscosity increasing and diffusion agitations. CONSTITUTION: The semi-continuous casting type method for manufacturing an aluminium foam panel comprises the processes of tapping aluminum(13) foamed in a foaming furnace(11) after passing through viscosity increasing agitation and diffusion agitation to a conveyor(15); and compression molding the foamed aluminum(13) transferred on the conveyor(15) using a certain shaped molding box(17), wherein the aluminum(13) is controlled to a desired width by shutting off a tapping hole of the foaming furnace at certain time intervals so that the aluminum is spreaded out by operation of the conveyor(15) when the foamed aluminum(13) is tapped onto the conveyor(15) from the foaming furnace(11).

Description

반연속주조식 발포 알루미늄판의 제조방법{Semi-continual casting method of manufacturing a blowed aluminium panel}Semi-continual casting method of manufacturing a blowed aluminum panel

본 발명은 일반적으로 흡음용 또는 건축용 등으로 사용되는 발포 알루미늄판을 제조하는 반연속주조식 발포 알루미늄판의 제조방법에 관한 것으로서, 보다 상세하게는 증점교반 및 확산교반을 거쳐 발포로에서 발포된 발포 알루미늄을 컨베이어(conveyor)로 출탕시켜 일정한 형상의 형틀을 이용하여 상기 컨베이어상에서 발포 알루미늄을 가압성형하는 반연속주조식 발포 알루미늄판의 제조방법에 관한 것이다.The present invention relates to a method for producing a semi-continuous cast foamed aluminum sheet for producing a foamed aluminum sheet generally used for sound absorption or construction, etc. More specifically, foamed foamed in a foaming furnace through thickening and diffusion stirring The present invention relates to a method for producing a semi-continuous cast foamed aluminum sheet that presses aluminum on a conveyor to press-form the foamed aluminum on the conveyor using a mold having a predetermined shape.

대한민국 특허출원 제95-37839호(1995. 10. 28 출원)에 "발포 알루미늄 금속 고형체의 제조방법"이 소개되어 있다. 상기 발포 알루미늄 금속 고형체의 제조방법은 가열수단이 구비되지 않은 원통상의 도가니에 알루미늄 융용 금속을 주입한 후 교반하면서 증점제와 발포제를 순차적으로 가하여 균일하게 혼합되도록 교반하는 단계와, 상기 단계를 거친 혼합물을 가열 수단이 구비된 주형에 낙하 주입하고 융점 이상의 온도로 유지하여 다수의 기포를 생성 성장시키는 단계와 상기 발포 주형을 냉각시키는 단계로 구성된다.Republic of Korea Patent Application No. 95-37839 (October 28, 1995) is a "method of manufacturing a foamed aluminum metal solid body" is introduced. The manufacturing method of the foamed aluminum metal solid body is a step of injecting aluminum molten metal into a cylindrical crucible which is not provided with a heating means, and then adding a thickener and a foaming agent while stirring to stir to uniformly mix, Dropping the mixture into a mold provided with heating means, maintaining the temperature above the melting point to produce and growing a plurality of bubbles, and cooling the foam mold.

그러나, 위에 언급된 발포 알루미늄 금속 고형체의 제조방법은 도 1에 도시된 바와같이 증점 발포 도가니(3)에서 주형(5)으로 발포 알루미늄을 낙하주입하여 발포알루미괴(7)를 성형하기 때문에 성형된 발포알루미늄괴(7) 상부면(9)이 평탄하지 않게 된다. 따라서, 성형된 발포알루미늄괴(7)를 사용하기 위해서는 상부면(9)을 절단하기 때문에 작업이 어려울 뿐만 아니라 절단에 의한 손실로 큰 문제점이 있었다.However, the manufacturing method of the above-mentioned foamed aluminum metal solid body is molded because the foamed aluminum ingot 7 is formed by drop-injecting foamed aluminum from the thickened foamed crucible 3 into the mold 5 as shown in FIG. The upper surface 9 of the expanded aluminum ingot 7 is not flat. Therefore, in order to use the molded foamed aluminum ingot (7), because the upper surface (9) is cut, the operation is difficult, and there is a big problem due to the loss by cutting.

대한민국 특허출원 제 98-52103호(1998. 11. 27 출원)에 "연속주소식 발포 알루미늄금속의 제조방법 및 그 장치"가 소개되어 있다. 그러나, 연속주조식 발포알루미늄금속의 제조방법은 발포알루미늄을 여러가지 형태로 성형할 수 없고, 단지 일정한 치수를 갖는 판상의 제품만 제조할 수 있으며, 이러한 방법으로 제조된 발포알루미늄금속판의 경우 표면이 막혀있어 흡음재로 사용하기 위해서는 별도의 후처리 공정이 필요한 단점이 있다.Korean Patent Application No. 98-52103 (filed Nov. 27, 1998) introduces a "manufacturing method and apparatus for continuous addressing foamed aluminum metal." However, the method of manufacturing continuous casting foamed aluminum metal cannot form the foamed aluminum in various forms, and can only manufacture a plate-shaped product having a certain dimension, and in the case of the foamed aluminum metal sheet manufactured by this method, the surface is clogged. There is a disadvantage that a separate post-treatment process is required in order to use as a sound absorbing material.

따라서, 본 발명의 목적은 증점교반 및 확산교반을 거쳐 발포로에서 발포된 발포 알루미늄을 컨베이어(conveyor)로 출탕시켜 일정한 형상의 형틀을 이용하여 상기 컨베이어상에서 발포 알루미늄을 가압성형하는 반연속주조식 발포 알루미늄판의 제조방법을 제공하는 것이다.Accordingly, an object of the present invention is to pour the foamed aluminum foamed in the foaming furnace through thickening and diffusion stirring to a conveyor (conveyor) by using a mold of a predetermined shape semi-continuous cast foaming by pressing the foamed aluminum on the conveyor It is to provide a method for producing an aluminum plate.

이와같은 목적을 달성하기 위한 본 발명에 따른 반연속주조식 발포 알루미늄판의 제조방법의 일례는 증점교반 및 확산교반을 거쳐 발포로에서 발포된 발포 알루미늄을 컨베이어로 출탕시키고, 상기 컨베이어 상에서 이동하는 발포 알루미늄을 일정한 형상의 형틀로 가압성형하는 것을 특징으로 한다.One example of a method for producing a semi-continuous cast foamed aluminum sheet according to the present invention for achieving the above object is to tap the foamed aluminum foamed in the foaming furnace through thickening and diffusion stirring to the conveyor, foaming to move on the conveyor It is characterized by pressing the aluminum into a mold of a constant shape.

또한, 반연속주조식 발포 알루미늄판의 제조방법은 발포로에서 컨베이어로 발포 알루미늄을 출탕할 때 상기 컨베이어의 작동으로 알루미늄이 펼쳐지도록, 일정한 시간간격으로 발포로의 출탕구를 차단하므로서 알루미늄의 폭이 소망하는 폭으로 조절할 수 있는 것을 특징으로 한다.In addition, the manufacturing method of the semi-continuous cast foamed aluminum sheet has a width of aluminum by blocking the hot water outlet of the foaming furnace at regular intervals so that the aluminum is unfolded by the operation of the conveyor when tapping the foamed aluminum from the foaming furnace to the conveyor. It can be adjusted to a desired width.

이하, 첨부도면을 참조하여 본 발명의 실시예를 상세하게 설명하기로 한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 종래의 발포 알루미늄 제조방법을 도시한 개략도1 is a schematic view showing a conventional foamed aluminum manufacturing method

도 2는 본 발명에 따른 반연속주조식 발포 알루미늄판의 제조방법을 도시한 공정도Figure 2 is a process diagram showing a method of manufacturing a semi-continuous cast foamed aluminum sheet according to the present invention

*도면의 주요부분에 대한 부호설명** Description of Signs of Main Parts of Drawings *

11 : 발포로 13 : 발포 알루미늄11: foaming furnace 13: foamed aluminum

15 : 컨베이어 17 : 형틀15 conveyor 17 mold

도 2를 참조하면, 본 발명에 따른 반연속주조식 발포 알루미늄판의 제조방법은 증점교반 및 확산교반을 거쳐 발포로(11)에서 발포된 발포 알루미늄(13)을 컨베이어(15)로 출탕시키고, 상기 컨베이어(15) 상에서 이동하는 발포 알루미늄(13)을 일정한 형틀(17)로 가압성형한다.2, in the method for producing a semi-continuous cast foamed aluminum sheet according to the present invention, the foamed aluminum 13 foamed in the foaming furnace 11 through thickening and diffusion stirring, tapping the conveyor 15, The foamed aluminum 13 moving on the conveyor 15 is press-molded into a constant mold 17.

또한, 본 발명에 따른 반연속주조식 발포 알루미늄판의 제조방법은 발포로 (11)에서 컨베이어(15)로 발포 알루미늄(13)을 출탕할 때 상기 컨베이어(15)의 작동으로 알루미늄이 펼쳐지도록, 일정한 시간간격으로 발포로(11)의 출탕구를 차단하므로서 알루미늄(15)의 폭이 소망하는 폭으로 조절할 수 있다.In addition, the method of manufacturing a semi-continuous cast foamed aluminum sheet according to the present invention, when the foamed aluminum 13 is tapped from the foaming furnace 11 to the conveyor 15, the aluminum is unfolded by the operation of the conveyor 15, The width of the aluminum 15 can be adjusted to a desired width by blocking the hot water outlet of the foaming furnace 11 at regular time intervals.

위에서 설명한 컨베이어(15)를 이용하여 발포 알루미늄을 분산 이송하는 것은 셀(cell)의 크기 및 비중이 주요인자로 작용하기 때문에 적절한 유지시간을 두고 알루미늄을 발포시켜야 하며, 고온에서 유지시간을 오래두면 발포되었던 기포가 꺼져버리는 경향이 있기 때문에 급속한 냉각과정을 거쳐야 한다.Dispersing and transporting the foamed aluminum by using the conveyor 15 described above is important because the size and specific gravity of the cell act as the main factors, and the aluminum should be foamed with a proper holding time. Since the bubbles tend to go out, they must undergo a rapid cooling process.

상기 컨베이어(15)는 스틸벨트가 이용되며, 알루미늄 용융금속이 외부로 누출되지 않도록 스틸 벨트의 양측면이 차폐된다.The conveyor 15 uses a steel belt, and both sides of the steel belt are shielded so that aluminum molten metal does not leak to the outside.

상기 형틀(17)은 프레스 타입이며, 원하는 제품의 형상에 맞게 형틀의 모양을 변경할 수 있다.The mold 17 is press-type, and the shape of the mold may be changed to match the shape of the desired product.

위에서 설명한 바와같이 본 발명에 따른 반연속주조식 발포 알루미늄판의 제조방법은 간단한 성형장치로 발포알루미늄판을 제조할 수 있어 제조단가를 낮출 수 있으며, 컨베이어 상의 발포 알루미늄을 일정한 형상의 형틀을 이용하여 가압성형하기 때문에 손실부분이 전혀없어 경제적인 효과가 있다.As described above, the method for manufacturing a semi-continuous cast foamed aluminum sheet according to the present invention can manufacture a foamed aluminum sheet by a simple molding apparatus, thereby lowering the manufacturing cost, and using a mold having a predetermined shape for foamed aluminum on a conveyor. It is economical because there is no loss part because of press molding.

Claims (2)

증점교반 및 확산교반을 거쳐 발포로(11)에서 발포된 발포 알루미늄(13)을 컨베이어(15)로 출탕시키고, 상기 컨베이어(15) 상에서 이동하는 발포 알루미늄 (13)을 일정한 형틀(17)로 가압성형하는 것을 특징으로 하는 반연속주조식 발포 알루미늄판의 제조방법.The foamed aluminum 13 foamed in the foaming furnace 11 through thickening and diffusion stirring is tapped onto the conveyor 15, and the foamed aluminum 13 moving on the conveyor 15 is pressed by a constant mold 17. Method for producing a semi-continuous cast foamed aluminum sheet, characterized in that the molding. 제 1 항에 있어서,The method of claim 1, 발포로(11)에서 컨베이어(15)로 발포 알루미늄(13)이 출탕할 때 상기 컨베이어(15)의 작동으로 알루미늄이 펼쳐지도록, 일정한 시간간격으로 발포로(11)의 출탕구를 차단하므로서 알루미늄(15)의 폭이 소망하는 폭으로 조절할 수 있는 것을 특징으로 하는 반연속주조식 발포 알루미늄판의 제조방법.When the foamed aluminum 13 taps from the foaming furnace 11 to the conveyor 15, the aluminum is expanded by blocking the hot water outlet of the foaming furnace 11 at regular time intervals so that aluminum is unfolded by the operation of the conveyor 15. A process for producing a semi-continuous cast foamed aluminum sheet, characterized in that the width of 15) can be adjusted to a desired width.
KR1020010041349A 2001-07-10 2001-07-10 Semi-continual casting method of manufacturing a blowed aluminium panel KR20030005885A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004098884A1 (en) * 2003-05-07 2004-11-18 Byung-Shik Kim Continuous manufacturing system for composite aluminum panels
KR100881689B1 (en) * 2007-04-11 2009-02-06 주식회사 아론 Method and apparatus for producing foam aluminum having uniform foam growth
KR101038140B1 (en) * 2008-11-25 2011-05-31 이동식 Manufacturing method of bubble aluminum products using near net shape processing method
CN104120295A (en) * 2014-07-03 2014-10-29 昆明理工大学 Foamed aluminum semi continuous vacuum foaming device and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07145435A (en) * 1993-11-19 1995-06-06 Hitachi Cable Ltd Manufacture of foamed metal wire
US5632319A (en) * 1995-10-04 1997-05-27 Industrial Technology Research Institute Method for manufacturing environmentally conscious foamed aluminum materials
KR970021338A (en) * 1995-10-28 1997-05-28 김유채 Manufacturing Method of Foamed Aluminum Metal Solid

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07145435A (en) * 1993-11-19 1995-06-06 Hitachi Cable Ltd Manufacture of foamed metal wire
US5632319A (en) * 1995-10-04 1997-05-27 Industrial Technology Research Institute Method for manufacturing environmentally conscious foamed aluminum materials
KR970021338A (en) * 1995-10-28 1997-05-28 김유채 Manufacturing Method of Foamed Aluminum Metal Solid

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004098884A1 (en) * 2003-05-07 2004-11-18 Byung-Shik Kim Continuous manufacturing system for composite aluminum panels
US7155797B2 (en) 2003-05-07 2007-01-02 Byung Shik Kim Continuous manufacturing system for composite aluminum panels
KR100881689B1 (en) * 2007-04-11 2009-02-06 주식회사 아론 Method and apparatus for producing foam aluminum having uniform foam growth
KR101038140B1 (en) * 2008-11-25 2011-05-31 이동식 Manufacturing method of bubble aluminum products using near net shape processing method
CN104120295A (en) * 2014-07-03 2014-10-29 昆明理工大学 Foamed aluminum semi continuous vacuum foaming device and method
CN104120295B (en) * 2014-07-03 2016-01-20 昆明理工大学 A kind of semicontinuous vacuum foam apparatus and method of foamed aluminium

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