WO2020085775A1 - 가동형 전자기제어 조직제어모듈을 구비하는 다이캐스팅 장치 - Google Patents
가동형 전자기제어 조직제어모듈을 구비하는 다이캐스팅 장치 Download PDFInfo
- Publication number
- WO2020085775A1 WO2020085775A1 PCT/KR2019/013917 KR2019013917W WO2020085775A1 WO 2020085775 A1 WO2020085775 A1 WO 2020085775A1 KR 2019013917 W KR2019013917 W KR 2019013917W WO 2020085775 A1 WO2020085775 A1 WO 2020085775A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sleeve
- electromagnetic
- movable
- mold
- molten metal
- Prior art date
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Classifications
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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
-
- 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
- B22D17/30—Accessories for supplying molten metal, e.g. in rations
Definitions
- the present invention relates to a die-casting device, and more particularly, to a die-casting device having a movable electromagnetic control tissue control module that can be drawn out to be adjacent to the sleeve.
- the die casting device is composed of a mold made of a movable mold and a fixed mold, and a sleeve connected to the inside of the mold to form an injection path of molten metal.
- a molding space is formed, and a plunger pushes the molten metal in the sleeve into the molding space and presses it into the molding space, whereby a molded product can be manufactured.
- the tissue control by the electromagnetic field is to refine the tissue by agitating the solid-state particles in the process of solid phase formation in the solid-liquid coexistence section of the alloy being injected, so that it is proposed in Korean Patent Registration No. 10-0554093, Korean Patent Registration No. 10-0436118 As described above, there is a limit to maximizing the effect of tissue control when the molten metal is in a completely liquid state above the liquid line.
- the reason is that the effect of smooth tissue control can be obtained in the high-liquid coexistence section, but since the temperature of the molten metal is above the liquid line, the problem of having to control the tissue with a delay time for a certain time and the temperature of the molten metal after the tissue control is high Corresponding to the coexistence section, the temperature is low enough to have sufficient fluidity, and when this controlled molten metal is injected into the sleeve, the temperature of the molten metal is lowered due to the low sleeve temperature, so that the working temperature of the molten metal injected into the cavity cannot be satisfied. do.
- Korean Patent Registration No. 10-1253605 In order to increase the intensity of tissue control as in Korean Patent Registration No. 10-1253605, limited space as in Korean Patent Registration No. 10-0662034 becomes a problem, and additionally, a space for installing the tissue control module on the fixed die plate is secured.
- the present invention has been devised to solve the above-mentioned problems and drawbacks of the prior art, and an object of the present invention is to enable the installation of an electromagnetic stirrer for controlling the organization of molten molten metal by optimally utilizing the space of the die casting device.
- an object of the present invention is to provide a die-casting device that brings about cooling effect around the sleeve as well as cooling of the stirring device itself during operation after installation of the electromagnetic stirring device.
- the present invention includes a movable mold provided with a molding space and a lower fixed mold including a sleeve in which molten metal is injected while receiving molten metal in correspondence with the movable mold.
- the lower fixed mold is in contact and the molten metal is cast into a molded product, it is made in a form penetrated through the lower fixed mold to the periphery of the sleeve to electromagnetically stir the molten metal injected through the sleeve, and an electromagnetic stirring device therein
- It provides a die-casting device having a movable electromagnetic control tissue control module including at least one electromagnetic stirrer receiving portion is accommodated.
- the lower fixed mold may include a fixed mold contacting the movable mold and a lower mold connected to the fixed mold.
- it may further include an electromagnetic stirring device installed in the electromagnetic stirring device receiving portion.
- the electromagnetic stirring device may include a coiled metal core, a coil surrounding the metal core, and a case for storing and sealing the metal core and coil.
- the electromagnetic stirring device may be provided with a flow path in the metal core so that the refrigerant or cooling oil flows inside the electromagnetic stirring device.
- the die-casting apparatus has an effect that the operator can adjust or replace the electromagnetic field by drawing the electromagnetic stirring device itself outward depending on the situation in order to adjust the electromagnetic field size of the electromagnetic stirring device. Accordingly, the size of the electromagnetic field can be adjusted.
- the sleeve fixing structure can be increased.
- FIG. 1 is a cross-sectional view of a die casting apparatus according to a first embodiment of the present invention
- FIG. 2 is an exploded perspective view of a main portion showing a state in which an electromagnetic stirring device is applied;
- FIG. 3 is a perspective view of a main portion showing a state in which the electromagnetic stirrer accommodating portion formed in a multilayer is applied;
- FIG. 4 is a perspective view of a main portion showing a state in which a sleeve having a cooling flow path is applied;
- FIG. 5 is a sectional view of a main portion of a lower fixed mold showing a state in which an electromagnetic stirring device is applied;
- FIG. 6 is a perspective view of an electromagnetic stirring device
- FIG. 7 is a perspective view of an electromagnetic stirring device equipped with a spiral cooling flow path
- FIG. 8 is a cross-sectional view of a die casting device showing a state in which an electromagnetic stirring device accommodating part is applied to a fixed mold;
- FIG. 9 is a cross-sectional view of a die casting device showing a state in which an electromagnetic stirrer accommodating portion is applied to a lower tank;
- FIG. 10 is a cross-sectional view of a die-casting device showing a state in which an electromagnetic stirring device receiving portion is applied to a fixed mold and a lower tank, respectively;
- FIG. 11 is a sectional view of a die casting apparatus according to a second embodiment of the present invention.
- FIG. 12 is a cross-sectional view of a die casting apparatus according to a third embodiment of the present invention.
- the die casting device 100 includes a movable mold 110 and a lower fixed mold 120.
- the movable mold 110 is provided with a separate movable member 111 on the upper portion to move the movable mold 110 up and down.
- a molding space S in which the molding is processed is provided as a portion where the movable mold 110 and the lower fixed mold 120 come into contact with each other.
- the lower fixed mold 120 is provided with a sleeve 150 that serves as a passage for the molten metal to move to the forming space (S).
- the sleeve 150 is preferably made of a circular pipe having both ends open and inserted in a form that vertically penetrates the central portion of the lower fixed mold 120.
- the lower side of the sleeve 150 is provided with a plunger 170 for moving the molten metal injected into the sleeve 150 to the forming space (S).
- a molten metal inlet hole 155 is formed at one side of the sleeve 150.
- a molten metal injection channel (not shown) is connected to the molten metal inlet hole 155, and after the molten metal injection channel has a predetermined amount of molten metal required for molding into the sleeve 150, A valve (not shown) is provided to block the molten metal injection flow path and prevent the molten metal from being excessively introduced into the sleeve 150. At the same time, the valve prevents the molten metal inside the sleeve 150 from flowing out along the flow path of the molten metal when the pressure inside the sleeve 150 rises due to the rise of the plunger.
- the lower fixed mold 120 may be divided into a lower mold 121 and a fixed mold 122 installed above the lower mold 121.
- a mold sleeve 152 is provided on the upper fixed mold 122 and a mechanical sleeve 151 is provided on the lower lower kitchen 121.
- the mold sleeve 152 and the machine sleeve 151 are both made of a circular pipe with both ends open, and are inserted in communication with each other in a form that vertically penetrates the center of the fixed mold 122 and the center of the lower kitchen 121.
- the molten metal inlet hole 155 may be formed on either side of the fixed mold 122 and the mechanical sleeve 151, and may be formed on both sides.
- the lower fixed mold 120 is provided with an electromagnetic stirrer receiving portion 123.
- the electromagnetic stirring device accommodating part 123 is a passage for moving the electromagnetic stirring device 200 to be described later, and is formed to contact the sleeve 150 from the outside of the lower fixing mold 120.
- the electromagnetic stirring device accommodating portion 123 may be provided in a single or plural.
- the electromagnetic stirring device accommodating part 123 is shown in Figure 1 and As shown in FIG. 9, it may be formed in the lower kitchen 121, or may be formed in the fixed mold 122 as shown in FIG. 8, and fixed with the lower kitchen 121 as shown in FIG. It may be formed on both sides of the mold 122.
- the electromagnetic stirring device receiving portion 123 is preferably provided radially along the circumferential direction around the mechanical sleeve (151).
- the electromagnetic stirrer accommodating part 123 is formed in an arbitrary number while forming an arbitrary circumferential angle radially from the center of the cross section of the mechanical sleeve 151 to meet the required characteristics of the product to be applied. Can be.
- the circumferential angle of the adjacent electromagnetic stirring device accommodating portion 123 is preferably configured to have a uniform electromagnetic force along the circumferential direction of the mechanical sleeve 151.
- the position of the plurality of electromagnetic stirrer accommodating portion 123 formed at a first cross-sectional position of the mechanical sleeve 151 to a position spaced apart from the other position of the mechanical sleeve 151 It is also possible to install the electromagnetic stirring device accommodating portion 123. That is, in addition to the electromagnetic stirrer accommodating portion 123 formed at the first sectional position of the mechanical sleeve 151, the electromagnetic stirrer accommodating portions 123 are added to the second sectional position or the third sectional position of the mechanical sleeve 151. It can also be applied as an installation.
- the electromagnetic stirrer accommodating portion 123 When the electromagnetic stirrer accommodating portion 123 is formed at various machine sleeve 151 cross-sectional positions, the electromagnetic stirrer accommodating portion 123 is at the same location along the same outer circumferential surface while varying in height on the mechanical sleeve 151. It may be arranged in a regular manner, or may be arranged in a staggered manner by staggering between the electromagnetic stirrer accommodating portions 123.
- the electromagnetic stirrer accommodating portion 123 when forming the electromagnetic stirrer accommodating portion 123 on the machine sleeve 151, it can be formed in a vertical direction with the central axis of the machine sleeve 151, in a diagonal direction inclined or raised below a certain angle Can form.
- the electromagnetic stirrer accommodating portion 123 inclined downward in a certain angle is illustrated, for example.
- the electromagnetic stirrer 200 containing the electromagnetic stirrer accommodating part 123 includes an inner metal core 232 in which a coil is wound, and a case 234 accommodating the metal core 232.
- the metal core 232 may include at least one or more cooling passages 201 and 202 penetrating the inside along the longitudinal direction.
- a refrigerant or a cooling oil that accommodates the temperature of the electromagnetic stirring device 200 in the fixed mold 122 is accommodated.
- cooling passages 201 and 202 may be applied in various forms, rather than one, to facilitate the introduction and withdrawal of cooling oil.
- the design of the cooling oil may be changed to circulate the metal core 232 through the cooling passages 201 and 202.
- the electromagnetic stirring device 200 spirally circulates while circulating the outer surface of the metal core 232 or the outer surface of the case 234 so as to double the cooling efficiency.
- the cooling flow path 203 may also be formed.
- a spiral sleeve cooling passage 154 may be formed on the outer circumferential surface of the mechanical sleeve 151.
- the sleeve cooling passage 154 is in communication with the cooling passages 201 and 202 of the electromagnetic stirrer 200 and becomes a movement passage of the cooling oil flowing through the cooling passages 201 and 202.
- the cooling oil circulates along the outer peripheral surface of the mechanical sleeve 151, cooling efficiency around the sleeve can be maximized.
- the sleeve cooling passage 154 may be provided in the mold sleeve 152, of course.
- a separate extended fixed mold and an extended fixed sleeve through the center of the extended fixed mold may be provided between the fixed mold 122 and the lower kitchen 121, wherein The electromagnetic stirring device 200 may also be additionally installed adjacent to the expansion fixing sleeve.
- the electromagnetic stirrer 200 configured as described above is connected to a power source to form an electromagnetic field to induce electromagnetic agitation in the vicinity to induce stirring of the molten metal, thereby controlling the structure of the molten metal.
- the electromagnetic stirring device 200 may be respectively connected to a power source for forming an electromagnetic field.
- the electromagnetic stirring device 200 may be inserted while moving toward the adjacent portion of the mechanical sleeve 151 through the electromagnetic stirring device accommodating portion 123, or may be drawn out of the lower kitchen 121.
- the electromagnetic stirrer 200 when the electromagnetic stirrer 200 is heated due to the molten metal of high temperature or when the electromagnetic stirrer 200 is heated by heat generated by an electromagnetic field, the electromagnetic stirrer 200 is taken out to air-cool or circulate the cooling oil. It is also possible to improve the life of the electromagnetic stirring device 200 by cooling it. Through this process, the heat affected by the sleeve 150 may be reduced to maintain the integrity of the sleeve 150.
- FIG 11 is a cross-sectional view of the die casting apparatus 100 according to the second embodiment of the present invention, wherein the lower kitchen 124 is centered on the fixed body portion 124a and the sleeve 150 on which the fixed mold 122 is installed. It may be divided into a rotating rotating portion (124b).
- the rotating part 124b forms a circular block shape including the electromagnetic stirring device accommodating part 123 and is accommodated inside the fixed body part 124a.
- the sleeve 150 is inserted into the center of the rotating portion (124b).
- a motor 350 is installed in the fixed body portion 124a, and the first gear 310 and the second gear rotate in engagement with the outer circumferential surfaces of the rotating shaft 333 of the motor 350 and the rotating portion 124b.
- 320 is installed.
- the first gear 310 is installed on the outer circumferential surface of the rotating portion 124b, and the second gear 320 is installed to mesh with the first gear 310 on the rotating shaft 333 of the motor 350.
- a bearing is provided between the fixed body portion 124a and the rotating portion 124b to help smooth rotation of the rotating portion 124b.
- the motor 350 is operated and the rotational force of the motor 350 is transmitted to the rotating part 124b through the first gear 310 and the second gear 320. As it is transmitted, the rotating part 124b rotates around the sleeve 150.
- the electromagnetic stirrer accommodating part 123 and the electromagnetic stirring device 200 provided in the rotating part 124b rotate together with respect to the sleeve 150, so that the entire outer circumferential surface of the sleeve 150 With respect to the induction of stirring effectively, a higher quality die-cast molding can be obtained.
- the lower mold 122b may be applied to, or in this case, the electromagnetic stirring device accommodating portion 123 may be applied to the upper mold 122a or the lower tank 121.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
Claims (5)
- 성형공간이 구비되는 가동금형 및 상기 가동금형과 대응되어 용융금속을 수용하며 용융금속이 주입되는 슬리브를 포함하는 하부고정금형을 포함하고 상기 가동금형과 상기 하부고정금형이 접하여 용융금속이 성형물로 주조되는 다이캐스팅 장치에 있어서,상기 슬리브를 통하여 주입되는 용융금속을 전자기 교반하도록 상기 슬리브 주변까지 상기 하부고정금형에 관통된 형태로 이루어지며 내부에 전자기 교반장치가 수용되는 적어도 한 개 이상의 전자기 교반장치 수용부를 포함하는 가동형 전자기제어 조직제어모듈을 구비하는 다이캐스팅 장치.
- 제1항에 있어서,상기 하부고정금형은,상기 가동금형에 접하는 고정금형과 상기 고정금형과 연결되는 하부조방을 포함하는 가동형 전자기제어 조직제어모듈을 구비하는 다이캐스팅 장치.
- 제1항에 있어서,상기 전자기 교반장치 수용부에 설치되는 전자기 교반장치를 더 포함하는 가동형 전자기제어 조직제어모듈을 구비하는 다이캐스팅 장치.
- 제3항에 있어서,상기 전자기 교반장치는,코일이 감겨진 금속심체와, 상기 금속심체를 수납 및 밀봉하는 케이스를 포함하는 가동형 전자기제어 조직제어모듈을 구비하는 다이캐스팅 장치.
- 제4항에 있어서,상기 전자기 교반장치의 내부에는 냉매 또는 냉각유가 유동하는 유로가 구비되는 가동형 전자기제어 조직제어모듈을 구비하는 다이캐스팅 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201980069846.1A CN112955265B (zh) | 2018-10-24 | 2019-10-22 | 具有可移动的电磁控制组织控制模块的压铸装置 |
JP2021522482A JP7438556B2 (ja) | 2018-10-24 | 2019-10-22 | 可動型電磁気制御組職制御モジュールを備えるダイカスト装置 |
US17/288,413 US11577308B2 (en) | 2018-10-24 | 2019-10-22 | Die casting apparatus provided with movable electromagnetically controlled structure control module |
Applications Claiming Priority (4)
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KR10-2018-0128530 | 2018-10-24 | ||
KR20180128530 | 2018-10-24 | ||
KR1020190038128A KR102121979B1 (ko) | 2018-10-24 | 2019-03-29 | 가동형 전자기제어 조직제어모듈을 구비하는 다이캐스팅 장치 |
KR10-2019-0038128 | 2019-03-29 |
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WO2020085775A1 true WO2020085775A1 (ko) | 2020-04-30 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5025853A (en) * | 1989-01-19 | 1991-06-25 | Concast Standard Ag | Continuous casting apparatus with electromagnetic stirrer |
KR20110102661A (ko) * | 2010-03-11 | 2011-09-19 | 주식회사 퓨쳐캐스트 | 다이캐스팅 장치 및 다이캐스팅 방법 |
KR20130009240A (ko) * | 2011-07-15 | 2013-01-23 | 주식회사 씨제이씨 | 반응고 다이캐스팅 방법 및 그 장치 |
KR101253605B1 (ko) * | 2010-11-16 | 2013-04-10 | 주식회사 퓨쳐캐스트 | 다이캐스팅용 금형 및 이를 이용한 다이캐스팅장치 |
US20130192791A1 (en) * | 2010-07-16 | 2013-08-01 | Kenzo Takahashi | Molding device for continuous casting equipped with agitator |
-
2019
- 2019-10-22 WO PCT/KR2019/013917 patent/WO2020085775A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5025853A (en) * | 1989-01-19 | 1991-06-25 | Concast Standard Ag | Continuous casting apparatus with electromagnetic stirrer |
KR20110102661A (ko) * | 2010-03-11 | 2011-09-19 | 주식회사 퓨쳐캐스트 | 다이캐스팅 장치 및 다이캐스팅 방법 |
US20130192791A1 (en) * | 2010-07-16 | 2013-08-01 | Kenzo Takahashi | Molding device for continuous casting equipped with agitator |
KR101253605B1 (ko) * | 2010-11-16 | 2013-04-10 | 주식회사 퓨쳐캐스트 | 다이캐스팅용 금형 및 이를 이용한 다이캐스팅장치 |
KR20130009240A (ko) * | 2011-07-15 | 2013-01-23 | 주식회사 씨제이씨 | 반응고 다이캐스팅 방법 및 그 장치 |
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