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KR950011009A - Die casting molding method and apparatus - Google Patents

Die casting molding method and apparatus Download PDF

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Publication number
KR950011009A
KR950011009A KR1019930020440A KR930020440A KR950011009A KR 950011009 A KR950011009 A KR 950011009A KR 1019930020440 A KR1019930020440 A KR 1019930020440A KR 930020440 A KR930020440 A KR 930020440A KR 950011009 A KR950011009 A KR 950011009A
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KR
South Korea
Prior art keywords
injection
molten metal
flanger
hot water
casting
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Korean (ko)
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KR950014490B1 (en
Inventor
이호인
김기배
김용준
정희철
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김은영
한국과학기술연구원
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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
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/2015—Means for forcing the molten metal into the die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
    • B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

본 발명은 수평사출방식을 채택하고 있는 다이캐스팅 및 스퀴즈 캐스팅 기술의 용탕주입방법에 관한 것이다.The present invention relates to a molten metal injection method of a die casting and squeeze casting technique employing a horizontal injection method.

본 발명은 사출슬리이브 내부로의 용탕주입시 금형 공간의 게이트와 사출플랜저로 둘러싸인 사출슬리이브 내부의 전체공간이 용탕으로 가득 채워지게하여 사출슬리이브 내부에 가스등이 전혀 존재하지 않도록한 상태에서 사출플랜저를 전진시켜 용탕의 금형공간에로의 사출이 이루어지도록 한 다이캐스트 성형용 용탕주입방법 및 그 장치에 관한 것이다.In the present invention, when the molten metal is injected into the injection sleeve, the entire space inside the injection sleeve surrounded by the gate of the mold space and the injection flange is filled with the molten metal so that no gas is present in the injection sleeve. The present invention relates to a die-casting molten metal injection method and apparatus for advancing a flanger to inject the molten metal into a mold space.

본 발명의 방법은 사출슬리이브 내로의 용탕주입단계에서 게이트와 사출슬리이브로 둘러싸인 사출슬리이브 내부가 가스나 공기등이 전혀 존재하지 않도록 용탕을 가득 채움에 의해 용탕의 사출시 용탕내부로 가스등이 혼입이 방지되어 건전한 다이캐스트 제품을 얻을 수 있는 이점이 있다.In the method of the present invention, the gas inside the molten metal is injected into the molten metal during the injection of the molten metal by filling the molten metal so that there is no gas or air inside the injection sleeve surrounded by the gate and the injection sleeve in the molten metal injection step. There is an advantage in that mixing is prevented to obtain a healthy diecast product.

Description

다이캐스트 성형용 용탕주입방법 및 장치Die casting molding method and apparatus

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (5)

사출슬리이브 내부로 용탕을 주입시킨 다음 사출플랜저를 전진시켜 금형공간으로 용탕의 사출이 이루어지도록 하는 수평사출방식의 다이캐스팅 및 스퀴즈 캐스팅에 있어서, 용탕주입구를 통해 사출슬리이브의 내부로 주입되는 용탕이 사출플랜저와 금형공간의 게이트 사이의 사출슬리이브 내의 전공간에 가득 채워지게 하여 사출슬리브 내부에 가스나 공기가 없는 상태에서 사출플랜저를 전지시켜 금형공간으로 용탕의 사출이 이루어지도록 한 것을 특징으로 하는 다이캐스트 성형용 용탕주입방법.In the horizontal injection type die casting and squeeze casting in which the molten metal is injected into the injection sleeve and the molten metal is injected into the mold space by advancing the injection flanger, the molten metal injected into the injection sleeve through the molten metal inlet is A die characterized in that the injection flange is filled with the entire space in the injection sleeve between the injection flanger and the gate of the mold space, so that the injection flanger is discharged in the absence of gas or air inside the injection sleeve. Melt injection method for cast molding. 제1항에 있어서, 용탕주입구를 통한 사출슬리이브 내부로의 용탕주입시 용탕주입구위에 보온유지가 양호한 상광하협의 원추형 급탕관을 재치시켜 용탕주입기로부터 용탁주입구로 주입되는 용탕이 급탕관의 경사내벽을 따라 하강하도록 하여 난류의 발생을 방지함과 아울러 사출슬리이브의 내부를 가득채운 용탕의 일부가 급탕관 하부로까지 차오르도록 함을 특징으로 하는 다이캐스트 성형용 용탕주입방법.The slant of the hot water supply pipe according to claim 1, wherein the hot water injector is introduced from the molten metal injector into the molten metal inlet by placing a conical hot water supply tube of a normal light subsoil on the molten metal inlet, wherein the conical hot water supply tube has a good thermal insulation. A method of injecting molten metal for die casting, characterized in that the lower portion along the inner wall prevents the occurrence of turbulence and a portion of the molten metal filling the inside of the injection sleeve rises to the lower part of the hot water supply pipe. 제1항에 있어서, 사출플랜저의 전진시 사출플랜저가 용탕주입구를 지나기 전에는 저속을 유지시켜 용탕이 용탕주입구 외부로 튀어 나가지 않도록 하고 사출플랜저가 용탕주입구를 지나서는 고속으로 이동하도록 하여 고속사출이 이루어지도록 함을 특징으로 하는 다이캐스트 성형용 용탕주입방법.The injection molding machine of claim 1, wherein the injection flanger is kept at a low speed before the injection flanger passes through the molten metal inlet port so that the molten metal does not pop out of the molten metal inlet port and the injection flanger moves at a high speed past the molten metal inlet port. Die-casting molten metal injection method characterized in that. 제1항에 있어서, 사출플랜저가 용탕주입구로 통과한 후에 급탕관 내부의 잔탕은 사출슬리이브 내부로 낙하되어 응고된 다음에 사출플랜저의 복귀중에 사출슬리이브의 일촉 바닥부에 형성된 잔탁 배출구로 밀러나와 외부로 배출되도록 함을 특징으로 하는 다이캐스트 성형용 용탕주입방법.According to claim 1, after the injection flanger passes through the molten metal inlet, the residual water in the hot water pipe is dropped into the injection sleeve and solidified, and then mirrored to the residue outlet formed at the bottom of the tip of the injection sleeve during the return of the injection flanger. Die-casting molten metal injection method characterized in that it is discharged to the outside. 사출슬리이브(24) 내부로 주입된 용탕(39)을 사출플랜저(13)로 가압하여 금형공간(29)으로 용탕(39)의 사출이 이루어지도록 하는 수평사출 방식의 다이캐스팅 및 스퀴즈 캐스팅 장치에 있어서, 용탕주입구(25)위에는 상광하협의 원추형 급탕관 (30)이 형성되고, 사출슬리이브(24)의 금형측 반대편 바닥면에 잔탕배출구(31)가 형성됨을 특징으로 하는 다이캐스트 성형용 용탕주입장치.In the die-casting and squeeze casting apparatus of the horizontal injection method in which the molten metal 39 injected into the injection sleeve 24 is pressed by the injection flanger 13 so that the molten metal 39 is injected into the mold space 29. The molten metal injection hole 25 is formed on the molten metal injection hole 25, and a conical hot water pipe 30 of the upper and lower straits is formed, and a residual water discharge port 31 is formed on the bottom surface of the injection sleeve 24 opposite to the mold side. Device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930020440A 1993-10-04 1993-10-04 Method and device for remaining molten metal removal of die-casting Expired - Fee Related KR950014490B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930020440A KR950014490B1 (en) 1993-10-04 1993-10-04 Method and device for remaining molten metal removal of die-casting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930020440A KR950014490B1 (en) 1993-10-04 1993-10-04 Method and device for remaining molten metal removal of die-casting

Publications (2)

Publication Number Publication Date
KR950011009A true KR950011009A (en) 1995-05-15
KR950014490B1 KR950014490B1 (en) 1995-12-02

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KR1019930020440A Expired - Fee Related KR950014490B1 (en) 1993-10-04 1993-10-04 Method and device for remaining molten metal removal of die-casting

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