KR100550144B1 - Vacuum apparatus of die casting machine - Google Patents

Vacuum apparatus of die casting machine Download PDF

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KR100550144B1
KR100550144B1 KR1020040046134A KR20040046134A KR100550144B1 KR 100550144 B1 KR100550144 B1 KR 100550144B1 KR 1020040046134 A KR1020040046134 A KR 1020040046134A KR 20040046134 A KR20040046134 A KR 20040046134A KR 100550144 B1 KR100550144 B1 KR 100550144B1
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South Korea
Prior art keywords
vacuum
valve
vacuum tank
molten metal
fixed
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KR1020040046134A
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Korean (ko)
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KR20050001339A (en
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고동근
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고동근
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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
    • B22D17/14—Machines with evacuated die cavity
    • 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
    • B22D17/02—Hot chamber machines, i.e. with heated press chamber in which metal is melted
    • B22D17/04—Plunger machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/168—Pumps specially adapted to produce a vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)

Abstract

본 발명은 다이케스팅기의 진공장치에 관한 것으로서, 더욱 상세하게는 용탕도가니를 설치한 진공탱크의 내로 한쌍의 밸브를 거쳐 재료를 투입할 수 있도록함과 아울러, 진공탱크의 용융금속유출구멍에도 밸브를 설치하여 진공탱크내부의 진공도를 양호한 상태로 유지시킬 수 있도록함으로서, 공기중에서 산화가 심한 고용융합금제의 양질의 제품을 제조할 수 있도록 한 것이다.The present invention relates to a vacuum apparatus for a die casting machine, and more particularly, to allow a material to be introduced through a pair of valves into a vacuum tank equipped with a molten crucible, and to provide a valve to a molten metal outlet hole of the vacuum tank. By installing it, it is possible to maintain a good degree of vacuum in the vacuum tank, so that it is possible to manufacture a high-quality product of a high-melting alloy made of high oxidation in the air.

종래에도 공기중의 산소에 의하여 산화가 잘되는 고용융합금을 공기중의 산소와 차단하여 진공상태에서 양질의 제품을 제조하기 위한 다이케스팅기의 진공장치가 공지되어 있으나, 이는 고정금형(100), 가동금형(200)과 지지관(400)에 의하여 좌우로 이동시키게된 용탕도가니(300) 및 용탕도가니(300)에 재료를 투입하기 위한 집게(500)를 하나의 진공탱크(600)로 에워싸서 된 것이므로 진공탱크(600)의 내를 진공펌프(700)에 의하여 진공화 시키는데 시간을 많이 소요하게 될 뿐만 아니라, 진공탱크(600)내의 진공도가 양호하게 이루어지지 못하여 공기중에서 산화가 잘되는 고용융합금에 의한 양질의 제품을 제조할 수 없는 문제가 따르게 되었다.Conventionally, a vacuum apparatus of a die casting machine for manufacturing a high quality product in a vacuum state is known by blocking a solid solution alloy which is well oxidized by oxygen in air, but this is fixed mold 100, operation. The mold 200 and the support tube 400 are surrounded by a vacuum tank 600 surrounded by a molten crucible 300 and a forceps 500 for injecting materials into the molten crucible 300. Since it will take a lot of time to vacuum the inside of the vacuum tank 600 by the vacuum pump 700, as well as the degree of vacuum in the vacuum tank 600 is not made good in the solid solution alloy that is well oxidized in the air The problem of being unable to manufacture high quality products has been followed.

본 발명은 상기와 같은 문제점을 해결하기 위하여, 기존의 다이케스팅기의 용융금속주입관(9) 부분에다 밸브(15)와 소형의 진공탱크(13)를 설치하고 진공탱크(13)의 내에는 용탕도가니(23)를 설치하여 진공펌프(41)에 의하여 신속히 고진공상태로 유지시킬 수 있도록 하고, 진공탱크(13)의 재료투입부에는 재료투입관(40)으로 연결한 한쌍의 밸브(30)(35)를 설치하여 양호한 진공상태에서 진공탱크(13)내로 재료(47)를 투입할 수 있도록 하여 공기중의 산소에 의하여 거의 산화에 영향을 받지않는 고진공상태의 진공탱크(13)의 내에서 재료(47)를 용융시킬 수 있도록 함으로서 양질의 고용융합금제품을 제조할 수 있는 다이케스팅기의 진공장치를 제공함에 그 목적이 있다.The present invention, in order to solve the above problems, the valve 15 and the small vacuum tank 13 is installed in the molten metal injection pipe (9) of the existing die casting machine and the molten metal in the vacuum tank (13) The crucible 23 is installed so that it can be quickly maintained in a high vacuum state by the vacuum pump 41, and the pair of valves 30 connected to the material inlet of the vacuum tank 13 by a material inlet pipe 40 ( 35) so that the material 47 can be introduced into the vacuum tank 13 in a good vacuum state so that the material in the vacuum tank 13 in a high vacuum state that is hardly affected by oxidation by oxygen in the air. It is an object of the present invention to provide a vacuum apparatus of a die casting machine capable of producing high quality molten alloy products by allowing melting of (47).

다이케스팅기, 진공탱크, 밸브Die Casting Machine, Vacuum Tank, Valve

Description

다이케스팅기의 진공장치{VACUUM APPARATUS OF DIE CASTING MACHINE}Vacuum device of die casting machine {VACUUM APPARATUS OF DIE CASTING MACHINE}

도 1은 본 발명의 전체설치도1 is an overall installation of the present invention

도 2는 본 발명의 중요부 사시도2 is an essential part perspective view of the present invention;

도 3은 본 발명의 중요부의 일부를 절결한 사시도3 is a perspective view in which a part of the essential part of the present invention is cut out;

도 4는 본 발명의 중요부 단면도4 is a cross-sectional view of the essential part of the present invention.

도 5는 본 발명의 작동 단면도5 is an operational cross-sectional view of the present invention.

도 6은 본 발명의 작동 단면도6 is an operational cross-sectional view of the present invention.

도 7은 본 발명의 작동 단면도7 is an operational cross-sectional view of the present invention.

도 8은 종래 제품도8 is a conventional product diagram

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 : 기체 2,3 : 지지대1 gas 2,3 support

4 : 가동지지판 5 : 안내봉4: movable support plate 5: guide rod

6 : 실린더 6A : 피스톤로드6: cylinder 6A: piston rod

7 : 고정금형 7A : 공기배출관7: fixed mold 7A: air discharge pipe

8 : 가동금형 8A : 공기배출관8: movable mold 8A: air discharge pipe

9 : 용융금속주입관 9A : 입구9: molten metal injection pipe 9A: inlet

10,11 : 실린더 10A,11A : 플런저10,11: Cylinder 10A, 11A: Plunger

12 : 진공펌프 13 : 진공탱크 12: vacuum pump 13: vacuum tank

13A : 용융금속유출구멍 14 : 뚜껑 13A: molten metal outflow hole 14: lid

14A : 공기배출구 15 : 밸브 14A: air outlet 15: valve

15' : 밸브보디 15A : 용융금속유출구멍15 ': Valve body 15A: Molten metal outflow hole

16 : 판밸브 17 : 지지봉16 plate valve 17 support rod

18 : 지지판 19 :실린더18: support plate 19: cylinder

19A : 피스톤로드 20 : 하우징19A: Piston Rod 20: Housing

21 : 중공축 22 : 로받침대21: hollow shaft 22: low bed

23 : 용탕도가니 23A : 구멍23: molten crucible 23A: hole

24 : 고주파유도코일 24A : 전원공급케이블24: high frequency induction coil 24A: power supply cable

26 : 유도코일냉각수순환관 27 : 피니언26: induction coil cooling water circulation pipe 27: pinion

28 : 실린더 29 : 랙28: cylinder 29: rack

30 : 밸브 30' : 밸브보디30: valve 30 ': valve body

30A : 재료투입구멍 31 : 판밸브30A: Material injection hole 31: Plate valve

31A : 플러그구멍 32 : 지지봉31A: Plug hole 32: Support rod

33 : 지지판 34 : 실린더33: support plate 34: cylinder

34A : 피스톤로드 35 : 밸브34A: Piston Rod 35: Valve

35' : 밸브보디 35A : 재료투입구멍35 ': Valve body 35A: Material injection hole

36 : 판밸브 37 : 지지봉36: valve valve 37: support rod

38 : 지지판 39 : 실린더38: support plate 39: cylinder

39A : 피스톤로드 40 : 재료투입관39A: piston rod 40: material input pipe

40A : 공기배출관 41 : 진공펌프40A: air discharge pipe 41: vacuum pump

42 : 재료안내판 43 : 지지봉42: material guide 43: support rod

44 : 지지판 45 : 실린더44 support plate 45 cylinder

45A : 플런저 46 : 콘베이어45A: Plunger 46: Conveyor

47 : 재료 48 : 볼트47: Material 48: Bolt

본 발명은 다이케스팅기의 진공장치에 관한 것으로서, 더욱 상세하게는 용탕도가니를 설치한 진공탱크의 내로 한쌍의 밸브를 거쳐 재료를 투입할 수 있도록함과 아울러 진공탱크의 용융금속유출구멍에도 밸브를 설치하여 진공탱크내부의 진공도를 양호한 상태로 유지시킬 수 있도록 함으로서 공기중에서 산화가 심한 고용융합금제의 양질의 제품을 제조할 수 있도록한 것이다.The present invention relates to a vacuum apparatus for a die casting machine, and more particularly, to allow a material to be introduced through a pair of valves into a vacuum tank in which a molten crucible is installed, and to install a valve in the molten metal outflow hole of the vacuum tank. By maintaining the degree of vacuum in the vacuum tank in a good state, it is possible to manufacture a high-quality product of a high-solid-solution alloy with high oxidation in the air.

종래에도 공기중의 산소에 의하여 산화가 잘되는 고용융합금을 공기중의 산소와 차단하여 진공상태에서 양질의 제품을 제조하기 위한 다이케스팅기의 진공장치가 공지되어 있으나, 이는 도 8에 도시된 바와같이 고정금형(100), 가동금형(200)과 유도코일냉각수순환관(110) 및 전원공급케이블(900)을 삽입한 지지봉(400)에 의하여 좌우로 이동시키게 되고, 고주파유도코일(800)이 고정된 용탕도가니(300) 및 용탕도가니(300)에 재료를 투입하기 위한 집게(500)를 하나의 진공탱크(600)로 에워싸서 된 것이므로, 진공탱크(600)의 내를 진공펌프(700)에 의하여 진공화 시키는데 시간을 많이 소요하게 될 뿐만 아니라, 진공탱크(600)내의 진공도가 양호하게 이루어지지 못하여 공기중에서 산화가 잘되는 고용융합금에 의한 양질의 제품을 제조할 수 없는 문제가 따르게 되었다.Conventionally, a vacuum apparatus of a die casting machine is known for manufacturing a high quality product in a vacuum state by blocking a solid solution alloy which is well oxidized by oxygen in air, in a vacuum state, as shown in FIG. 8. The fixed mold 100, the movable mold 200 and the induction coil cooling water circulation pipe 110 and the support rod 400 inserted into the power supply cable 900 is moved left and right, the high frequency induction coil 800 is fixed Since the tongs 500 for injecting the materials into the molten crucible 300 and the molten crucible 300 are surrounded by one vacuum tank 600, the inside of the vacuum tank 600 is enclosed in the vacuum pump 700. Not only does it take a long time to evacuate, but the degree of vacuum in the vacuum tank 600 is not good, which makes it impossible to manufacture a high-quality product made of a high melt alloy that is well oxidized in the air. .

본 발명은 상기와 같은 문제점을 해결하기 위하여, 기존의 다이케스팅기의 용융금속주입관(9) 부분에다 밸브(15)와 소형의 진공탱크(13)를 설치하고, 진공탱크(13)의 내에는 용탕도가니(23)를 설치하여 진공펌프(41)에 의하여 신속히 고진공상태로 유지시킬 수 있도록하고, 진공탱크(13)의 재료투입부에는 재료투입관(40)으로 연결한 한쌍의 밸브(30)(35)를 설치하여 양호한 진공상태에서 진공탱크(13)내로 재료(47)를 투입할 수 있도록 하여 공기중의 산소에 의하여 거의 산화에 영향을 받지않는 고진공상태의 진공탱크(13)의 내에서 재료(47)를 용융시킬 수 있도록 함으로서 양질의 고용융합금제품을 제조할 수 있는 다이케스팅기의 진공장치를 제공함에 그 목적이 있다.The present invention, in order to solve the above problems, the valve 15 and the small vacuum tank 13 is installed in the molten metal injection pipe (9) portion of the existing die casting machine, the inside of the vacuum tank (13) The molten crucible 23 is installed so as to be rapidly maintained in a high vacuum state by the vacuum pump 41, and the pair of valves 30 connected to the material inlet of the vacuum tank 13 by a material inlet pipe 40. (35) is provided so that the material 47 can be introduced into the vacuum tank 13 in a good vacuum state, so that the vacuum tank 13 in a high vacuum state is hardly affected by oxidation by oxygen in the air. It is an object of the present invention to provide a vacuum apparatus of a die casting machine capable of producing a high quality molten alloy product by allowing the material 47 to be melted.

이하 본 발명을 첨부도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 전체설치도이고, 도 2는 본 관의 중요부분의 사시도이며,도 3은 본 발명의 중요부분의 일부를 절결한 사시도이고, 도 4는 본 발명의 단면도로서,1 is an overall installation of the present invention, Figure 2 is a perspective view of the main part of the tube, Figure 3 is a perspective view of a part of the important part of the present invention, Figure 4 is a cross-sectional view of the present invention,

도1 내지 도4에 도시된 바와 같이, 기체(1)의 상면에 고정한 지지대(2)(3)에는 가동지지판(4)을 안내하기 위한 안내봉(5)을 설치하고, 지지대(2)에 고정한 실린더(6)의 피스톤로드(6A)에 의하여 가동지지판(4)을 이동시킬 수 있도록하며, 가동지지판(4)에는 공기배출관(8A)을 형성한 가동금형(8)을, 지지대(3)에는 공기배출관(7A)을 형성한 고정금형(7)과 용융금속주입관(9)을 고정하여 공기배출관(7A)(8A)은 진공펌프(12)와 연결하고, 용융금속주입관(9)의 용융금속은 실린더(10)(11)의 플런저(10A)(11A)에 의하여 금형내로 주입 할 수 있도록한 것에 있어서 용융금속주 입관(9)의 입구(9A) 부분에는 볼트(48)로 체결시키게된 한쌍의 밸브보디(15')의 내부에 판밸브(16)를 이동되게 삽입하여, 상기의 판밸브(16)는 지지봉(17)으로 지지된 지지판(18)에 고정한 실린더(19)의 피스톤로드(19A)에 의하여 개폐시킬 수 있도록한 밸브(15)의 용융금속유출구멍(15A)을 일치시키는 한편 상기의 용융금속유출구멍(15A)에는 공기배출관(14A)이 형성된 뚜껑(14)으로 밀폐시키게된 진공탱크(13)의 용융금속유출구멍(13A)을 일치되게 설치하고, 진공탱크(13)의 일측에는 중공축(21)을 회전자유롭게 설치한 하우징(20)을 고정하여 진공탱크(13)의 내부에 위치되는 중공축(21)의 끝에는 로받침대(22)를 고정하여 구멍(23A)을 형성한 주전자형의 용탕도가니(23)를 설치하여 고주파유도코일(24)을 감고, 중공축(21)의 내로는 유도코일냉각순환관(26)과 전원공급케이블(24A)을 통과시키고, 중공축(21)에 고정한 피니언(27)은 실린더(28)의 피스톤로드에 형성한 랙(29)과 이 맞춤시켜 중공축(21)을 회전시킬 수 있도록하며, 진공탱크(13)의 타측에는 재료투입구멍(30A)을 형성한 한쌍의 밸브보디(30')의 내부에 플러그구멍(31A)을 뚫은 판밸브(31)를 이동되게 삽입하여 상기의 판밸브(31)는 지지봉(32)으로 지지된 지지판(33)에 고정한 실린더(34)의 피스톤로드(34A)의 상하작동에 의하여 개폐시키게된 밸브(30)와 재료투입구멍(35A)을 형성한 한쌍의 밸브보디(35')의 내부에 판밸브(36)를 이동되게 삽입하여 상기의 판밸브(36)는 지지봉(37)으로 지지된 지지판(38)에 고정한 실린더(39)의 피스톤로드(39A)에 의하여 개폐시키게된 밸브(35)와 공기배출관(40A)을 형성한 재료투입관(40)으로 연결하여 공기배출관(40A)은 진공펌프(41)와 연결하고 밸브(35)에 고정한 재료안내판(42)은 진공탱크(13)의 내에 위치시키고 밸브(30)에 고정 한 지 지봉(43)의 지지판(44)에는 실린더(45)를 고정하여 콘베이어(46)에 의하여 이동되는 재료(46)를 실린더(45)의 플런저(45A)에 의하여 진공탱크(13)의 내로 주입할 수 있도록함을 특징으로한 것이다.As shown in Figs. 1 to 4, guide rods 5 for guiding the movable support plate 4 are installed on the support bases 2 and 3 fixed to the upper surface of the base 1, and on the support base 2, respectively. The movable support plate 4 can be moved by the piston rod 6A of the fixed cylinder 6, and the movable support plate 4 has a movable mold 8 having an air discharge pipe 8A formed thereon, and a support 3 The fixed mold (7) and the molten metal injection pipe (9) having an air discharge pipe (7A) is fixed to the air discharge pipe (7A) (8A) is connected to the vacuum pump 12, the molten metal injection pipe (9) Of molten metal can be injected into the mold by the plunger (10A) (11A) of the cylinder (10) (11) in the inlet (9A) portion of the molten metal injection pipe (9) is fastened with bolts (48) The plate valve 16 is inserted into the inside of the pair of valve bodies 15 'to be moved, so that the plate valve 16 of the cylinder 19 fixed to the support plate 18 supported by the support rod 17. Piston Rod (19 The molten metal outflow hole 15A of the valve 15 which can be opened and closed by A) coincides, and the molten metal outflow hole 15A is sealed with a lid 14 having an air discharge pipe 14A formed therein. The molten metal outflow hole 13A of the vacuum tank 13 is installed in the same manner, and the housing 20 in which the hollow shaft 21 is freely installed on one side of the vacuum tank 13 is fixed to the vacuum tank 13. At the end of the hollow shaft 21 positioned therein, a kettle-shaped molten metal crucible 23 having a hole 23A fixed thereto is fixed to the end of the hollow shaft 21 to wind the high frequency induction coil 24, and the hollow shaft 21 ) Passes through the induction coil cooling circulation pipe 26 and the power supply cable (24A), and the pinion (27) fixed to the hollow shaft (21) and the rack (29) formed on the piston rod of the cylinder (28) and This alignment allows the hollow shaft 21 to be rotated, and a pair of bells having a material injection hole 30A formed at the other side of the vacuum tank 13. The plate valve 31 which inserted the plate valve 31 which drilled the plug hole 31A in the body 30 'is moved so that the said plate valve 31 may be fixed to the support plate 33 supported by the support rod 32, and the cylinder 34 The plate valve 36 is moved to the inside of the pair of valve body 35 'which forms the valve 30 and the material injection hole 35A which are opened and closed by the up and down operation of the piston rod 34A. The plate valve 36 is formed of a valve 35 and an air discharge pipe 40A which are opened and closed by the piston rod 39A of the cylinder 39 fixed to the support plate 38 supported by the support rod 37. The air discharge pipe (40A) is connected to the pipe (40) and the vacuum pump 41, and the material guide plate 42 fixed to the valve 35 is located in the vacuum tank 13 and fixed to the valve (30) The cylinder 45 is fixed to the support plate 44 of the supporting rod 43, and the material 46, which is moved by the conveyor 46, is vacuum tanked by the plunger 45A of the cylinder 45. Is one characterized in that it allows injection into a 13.

이와 같은 본 발명은 실린더(6)의 피스톤로드(6A)에 고정된 가동지지판(4)을 지지대(3)쪽으로 이동시켜 가동금형(8)을 고정금형(7)에 밀착시키고, 공기배출관(8A)(7A)과 진공펌프(12)에 의하여 공기를 배출시켜 대기압보다 낮은 고정금형(7)과 가동금형(8)의 내에 실린더(10)(11)의 플런저(10A)(11A)에 의하여 용융금속을 주입하여 제품을 성형코져 할때는 밸브(15)와 밸브(35)의 판밸브(16)(36)로 용융금속유출구멍(15A)과 재료투입구멍(35A)을 도 4에 도시된 바와같이 닫고(이때 밸브(30)는 열려있어도 좋다), 공기배출관(14A)과 진공펌프(41)에 의하여 진공탱크(13)내의 공기를 외부로 배출시켜 대기압보다 낮은 고진공화 시킨 다음 콘베이어(46)를 회전시켜 재료(47)를 밸브(30)의 재료투입구멍(30A)과 일치시킨 후 콘베이어(46)를 정지시키고, 밸브(30)의 판밸브(31)가 열린 상태에서 실린더(45)의 플런저(45A)를 전진시켜 콘베이어(46)에 놓인 재료(47)를 재료투입관(40)의 내부에 위치시키고, 플런저(45A)를 밸브(30)의 외부로 후진시킨 다음 밸브(30)의 실린더(34)의 피스톤로드(34A)에 의하여 판밸브(31)를 하강시켜 재료투입구멍(30A)을 닫고 다시 실린더(45)의 플런저(45A)를 전진하여 도 5에 도시된 바와 같이 판밸브(31)의 플러그구멍(31A)을 통과시켜 플러그구멍(31A)을 밀폐시킨다.The present invention as described above moves the movable support plate 4 fixed to the piston rod 6A of the cylinder 6 toward the support 3 to close the movable mold 8 to the fixed mold 7, and the air discharge pipe 8A. 7A and the vacuum pump 12 discharge air to melt the plunger 10A and 11A of the cylinder 10 and 11 in the stationary mold 7 and the movable mold 8 lower than atmospheric pressure. When molding the product by injecting the metal, the molten metal outflow hole 15A and the material inlet hole 35A are formed into the valve valves 16 and 36 of the valve 15 and the valve 35, as shown in FIG. (The valve 30 may be open at this time), the air in the vacuum tank 13 is discharged to the outside by the air discharge pipe 14A and the vacuum pump 41 to make the vacuum higher than atmospheric pressure, and then the conveyor 46 is closed. Rotate to match the material 47 with the material injection hole 30A of the valve 30, and then stop the conveyor 46, with the plate valve 31 of the valve 30 open. Advance the plunger 45A of the cylinder 45 to position the material 47 placed on the conveyor 46 inside the material input pipe 40, and retract the plunger 45A to the outside of the valve 30. The plate valve 31 is lowered by the piston rod 34A of the cylinder 34 of the valve 30 to close the material injection hole 30A and advance the plunger 45A of the cylinder 45 again, as shown in FIG. 5. As shown, the plug hole 31A is sealed by passing through the plug hole 31A of the plate valve 31.

이상태에서 공기배출관(40A)과 진공펌프(41)에 의하여 재료투입관(40) 내부의 공기를 외부로 배출시켜 재료투입관(40) 내부를 대기압보다 낮은 진공상태로 한 다음 밸브(35)의 판밸브(36)를 상승시켜 재료투입구멍(35A)을 개방시키고, 재료투입관(40)내의 재료(47)를 플런저(45A)로 밀어 진공탱크(13)내의 주전자형의 용탕도가니(23)내로 투입하여 용융시킨다(도6).In this state, the air in the material input pipe 40 is discharged to the outside by the air discharge pipe 40A and the vacuum pump 41 to make the material input pipe 40 inside the vacuum lower than atmospheric pressure, and then The plate valve 36 is raised to open the material injection hole 35A, and the material 47 in the material injection pipe 40 is pushed by the plunger 45A to form a kettle-shaped melt crucible 23 in the vacuum tank 13. Into it and melted (Fig. 6).

이때 재료안내판(42)에는 3개의 재료(47)가 놓여지게하여 예열시켜 차례로 하나씩 용탕도가니(23)에 투하하게 되며, 또한 용탕도가니(23)는 수개의 재료(47)를 용해시킬 수 있는 크기로 형성하게 된다. 고주파유도코일(24)에 의하여 용탕도가니(23)의 용융된 용융금속을 기존의 용융금속주입관(9)의 입구(9A)로 유입시키고자 할때는 밸브(15)의 판밸브(16)를 이동시켜 용융금속유출구멍(15A)을 개방시키고, 실린더(28)의 랙(29)에 의하여 피니언(27) 및 중공축(21)을 회전시켜 용탕도가니(23)를 기울어지게 하여, 도 7에 도시된 바와같이, 용융금속을 진공탱크(13)의 용융금속유출구멍(13A)과 밸브(15)의 용융금속유출구멍(15A) 및 입구(9A)를 통하여 용융금속주입관(9)에 주입하면 된다.At this time, three materials 47 are placed on the material guide plate 42 to be preheated and dropped into the molten crucible 23 one by one, and the molten crucible 23 is sized to dissolve several materials 47. It will be formed as. When the molten molten metal of the molten crucible 23 is introduced into the inlet 9A of the existing molten metal inlet pipe 9 by the high frequency induction coil 24, the plate valve 16 of the valve 15 is moved. The molten metal outflow hole 15A is opened, the pinion 27 and the hollow shaft 21 are rotated by the rack 29 of the cylinder 28, and the molten crucible 23 is inclined, as shown in FIG. As shown, when molten metal is injected into the molten metal injection pipe 9 through the molten metal outflow hole 13A of the vacuum tank 13, the molten metal outflow hole 15A and the inlet 9A of the valve 15, do.

상기에 있어서, 용탕도가니(23)의 재료(47)의 용융량은 몇번 금형으로 제품을 성형할 수 있는 양이며, 용탕도가니(23)는 구멍(23A)을 형성한 주전자형으로 형성되었으므로 용융금속을 부을 때는 도 7과 같이 구멍(23A)으로 배출되기 때문에 용탕도가니(23)의 상부에 뜬 슬래그(SLAG)등의 불순물은 구멍(23A)으로 배출되는 것이 방지된다.In the above description, the melted amount of the material 47 of the molten crucible 23 is an amount which can be molded into a product several times, and the molten crucible 23 is formed in a kettle shape having a hole 23A. 7 is discharged into the hole 23A as shown in FIG. 7, so that impurities such as slag SLAG, which is formed on the upper portion of the molten crucible 23, are prevented from being discharged into the hole 23A.

상기의 작동과정은 1회의 제품제조과정이며, 상기의 작동을 반복하여 제품을 대량 생산하면 된다.The above operation process is one product manufacturing process, and the above operation may be repeated to mass produce a product.

이와같은 본 발명은 기존의 용융금속주입관(9)에다 밸브(15)와 소형의 진공탱크(13)를 고정하여 진공화시킬 수 있도록하고, 진공탱크(13)의 진공도에 영향을 미치게 됨이 없이, 한쌍의 밸브(30)(35)와 재료투입관(40)으로 재료(47)를 투입하여, 진공도가 양호한 진공탱크(13)내에서 재료를 용융시키게 됨으로 양질의 고용융합금제품을 제조할 수 있는 효과가 있다. The present invention is to fix the vacuum by the valve 15 and the small vacuum tank 13 to the existing molten metal injection pipe (9) to affect the degree of vacuum of the vacuum tank (13) Without the material 47 is introduced into the pair of valves 30 and 35 and the material input pipe 40, the material is melted in the vacuum tank 13 having a good degree of vacuum, thereby producing a high quality molten alloy product. It can work.

Claims (1)

기체(1)의 상면에 고정한 지지대(2)(3)에는 가동지지판(4)을 안내하기 위한 안내봉(5)을 설치하고, 지지대(2)에 고정한 실린더(6)의 피스톤로드(6A)에 의하여 가동지지판(4)을 이동시킬 수 있도록하며, 가동지지판(4)에는 공기배출관(8A)을 형성한 가동금형(8)을, 지지대(3)에는 공기배출관(7A)을 형성한 고정금형(7)과 용융금속주입관(9)을 고정하여 용융금속주입관(9)의 용융금속은 실린더(10)(11)의 플런저(10A)(11A)에 의하여 금형내로 주입할 수 있도록한 것에 있어서, 용융금속주입관(9)의 입구(9A)부분에는 한쌍의 밸브보디(15')의 내부에 판밸브(16)를 이동되게 삽입하여 실린더(19)의 피스톤로드(19A)에 의하여 개폐시킬 수 있도록한 밸브(15)의 용융금속유출구멍(15A)을 일치시키는 한편 상기의 용융금속유출구멍(15A)에는 공기배출관(14A)이 형성된 뚜껑(14)으로 밀폐시키게된 진공탱크(13)의 용융금속유출구멍(13A)을 일치되게 설치하고 진공탱크(13)의 일측에는 중공축(21)을 회전자유롭게 설치한 하우징(20)을 고정하여 진공탱크(13)의 내부에 위치되는 중공축(21)의 끝에는 로받침대(22)를 고정하여 구멍(23A)을 형성한 주전자형의 용탕도가니(23)를 설치하고 중공축(21)에 고정한 피니언(27)은 실린더(28)의 피스톤로드에 형성한 랙(29)과 이 맞춤시켜 중공축(21)을 회전시킬 수 있도록 하며, 진공탱크(13)의 타측에는 재료투입구멍(30A)을 형성한 한쌍의 밸브보디(30')의 내부에 플러그구멍(31A)을 뚫은 판밸브(31)를 이동되게 삽입하여 상기의 판밸브(31)는 실린더(34)의 피스톤로드(34A)의 상하작동에 의하여 개폐시키게된 밸브(30)와 재료투입구멍(35A)을 형성한 한쌍의 밸브보디(35')의 내부에 판밸브(36)를 이동되게 삽입하여 상기의 판밸브(36)는 실린더(39)의 피스톤로드(39A)에 의하여 개폐시키게된 밸브(35)와 공기배출관(40A)을 형성한 재료투입관(40)으로 연결하고 밸브(35)에 고정한 재료안내판(42)은 진공탱크(13)의 내에 위치시키고 밸브(30)에 고정한 지지봉(43)의 지지판(44)에는 실린더(45)를 고정하여 콘베이어(46)에 의하여 이동되는 재료(47)를 실린더(45)의 플런저(45A)에 의하여 진공탱크(13)의 내로 주입할 수 있도록함을 특징으로한 다이케스팅기의 진공장치.A support rod 5 for guiding the movable support plate 4 is provided on the support 2 and 3 fixed to the upper surface of the base 1, and the piston rod 6A of the cylinder 6 fixed to the support 2 is provided. The movable support plate 4 can be moved by the movable support plate 4, and the movable support plate 4 has a movable mold 8 having an air discharge pipe 8A formed therein, and a support mold 3 having an air discharge pipe 7A formed thereon. (7) and the molten metal injection pipe 9 are fixed so that the molten metal of the molten metal injection pipe 9 can be injected into the mold by the plungers 10A and 11A of the cylinders 10 and 11. In the inlet 9A portion of the molten metal injection pipe 9, the plate valve 16 is inserted into the pair of valve bodies 15 'to be moved and opened and closed by the piston rod 19A of the cylinder 19. While the molten metal outflow hole 15A of the valve 15 is made to match, the molten metal outflow hole 15A is sealed with a lid 14 having an air discharge pipe 14A formed therein. The molten metal outflow hole 13A of the vacuum tank 13 is installed in the same manner, and the housing 20 in which the hollow shaft 21 is freely installed on one side of the vacuum tank 13 is fixed to the vacuum tank 13. At the end of the hollow shaft 21 located therein, a kettle-shaped molten metal crucible 23 having a hole 23A formed thereon is fixed to the hollow shaft 21, and the pinion 27 fixed to the hollow shaft 21 is a cylinder. A pair of valve bodies having a rack 29 formed in the piston rod of (28) so that the hollow shaft 21 can be rotated, and a material injection hole 30A is formed at the other side of the vacuum tank 13. The plate valve 31 having the plug hole 31A drilled therein is moved to the inside of the 30 'so that the plate valve 31 is opened and closed by vertical movement of the piston rod 34A of the cylinder 34. The plate valve 36 is moved by inserting the plate valve 36 into the inside of the pair of valve bodies 35 'having the valve 30 and the material injection hole 35A. The material guide plate 42 connected to the valve 35 opened and closed by the piston rod 39A of the cylinder 39 and the material input pipe 40 forming the air discharge pipe 40A and fixed to the valve 35. Silver 45 is located in the vacuum tank 13 and the cylinder 45 is fixed to the support plate 44 of the support rod 43 fixed to the valve 30 to move the material 47 moved by the conveyor 46 to the cylinder 45. The vacuum device of the die casting machine, characterized in that to be injected into the vacuum tank 13 by the plunger (45A).
KR1020040046134A 2004-06-21 2004-06-21 Vacuum apparatus of die casting machine KR100550144B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011027929A1 (en) * 2009-09-03 2011-03-10 주식회사 엔티티 Vacuum melting device for light metals and a vacuum melting method employing the same
WO2011027928A1 (en) * 2009-09-03 2011-03-10 주식회사 엔티티 Metal-material-charging device for vacuum melting and a method for the same
WO2011027930A1 (en) * 2009-09-03 2011-03-10 주식회사 엔티티 Light-metal vacuum melting device employing electromagnetic stirring, and a vacuum melting method employing the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011027929A1 (en) * 2009-09-03 2011-03-10 주식회사 엔티티 Vacuum melting device for light metals and a vacuum melting method employing the same
WO2011027928A1 (en) * 2009-09-03 2011-03-10 주식회사 엔티티 Metal-material-charging device for vacuum melting and a method for the same
WO2011027930A1 (en) * 2009-09-03 2011-03-10 주식회사 엔티티 Light-metal vacuum melting device employing electromagnetic stirring, and a vacuum melting method employing the same
KR101144767B1 (en) * 2009-09-03 2012-05-10 고동근 Vaccum melting apparatus for light metal and vacuum melting method using the same
KR101144770B1 (en) * 2009-09-03 2012-05-11 고동근 Vaccum melting apparatus for light metal using electro-magnetic stirring and vacuum melting method using the same
KR101306117B1 (en) * 2009-09-03 2013-10-15 고동근 Charging apparatus for charging metal material into vaccum melting chamber with maintaining vaccum status and method thereof

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