JP3209682B2 - Metal melt supply device - Google Patents
Metal melt supply deviceInfo
- Publication number
- JP3209682B2 JP3209682B2 JP16471296A JP16471296A JP3209682B2 JP 3209682 B2 JP3209682 B2 JP 3209682B2 JP 16471296 A JP16471296 A JP 16471296A JP 16471296 A JP16471296 A JP 16471296A JP 3209682 B2 JP3209682 B2 JP 3209682B2
- Authority
- JP
- Japan
- Prior art keywords
- molten metal
- tank
- storage tank
- furnace
- degassing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、金属溶湯（溶融ア
ルミなど）を例えばダイカストマシンの射出スリーブ内
に供給するための金属溶湯供給装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molten metal supply apparatus for supplying molten metal (such as molten aluminum) into, for example, an injection sleeve of a die casting machine.
【０００２】[0002]
【従来の技術】従来、この種の供給装置としては、例え
ば特開平４−１８７３６６号公報に開示されている技術
が公知である。この技術では溶湯が導入されているポン
プの密閉室内に窒素ガスを圧入して溶湯を加圧し、それ
によって定量の溶湯を所定個所に向けて供給する構成と
なっている。これにより溶湯と空気との接触が避けられ
て酸化物の発生が抑えられるものの、溶湯中に含有され
ている水素ガスについては脱ガス処理によって除去する
ことが必要である。そこで通常は溶湯を供給する前に脱
ガス処理を行い、その後に溶湯の供給を行っている。2. Description of the Related Art Conventionally, as a supply apparatus of this kind, a technique disclosed in, for example, Japanese Patent Application Laid-Open No. 4-187366 is known. In this technique, nitrogen gas is pressurized into a closed chamber of a pump into which the molten metal is introduced to pressurize the molten metal, thereby supplying a fixed amount of molten metal to a predetermined location. This prevents contact between the molten metal and air and suppresses the generation of oxides, but it is necessary to remove hydrogen gas contained in the molten metal by degassing. Therefore, usually, the degassing process is performed before supplying the molten metal, and then the supply of the molten metal is performed.
【０００３】[0003]
【発明が解決しようとする課題】しかし、これでは溶湯
の供給に先立ってまず脱ガス処理装置をセットし、脱ガ
ス処理後に脱ガス処理装置に代えて供給装置をセットし
なければならない。この作業中に溶湯の一部が空気と接
触して酸化物の発生を招く場合があり、また溶湯の脱ガ
ス処理と供給とを個別に行うことから作業性が悪い。However, in this case, it is necessary to first set the degassing apparatus before supplying the molten metal, and to set the supply apparatus in place of the degassing apparatus after the degassing process. During this operation, a part of the molten metal may come into contact with air to generate oxides, and since the degassing process and the supply of the molten metal are separately performed, the workability is poor.
【０００４】本発明の目的は、溶湯に対する連続的な脱
ガス処理とほぼ同時に、脱ガス処理後の溶湯を密閉構造
の定量槽に送り込むことにより、脱ガス処理後の溶湯が
空気と触れて劣化するのを避けながら、定量槽から所定
箇所への溶湯の供給を可能とすることである。[0004] An object of the present invention is to feed the degassed molten metal into a sealed fixed-quantity tank almost simultaneously with the continuous degassing of the molten metal, whereby the degassed molten metal degrades by contact with air. It is possible to supply a molten metal from a fixed amount tank to a predetermined location while avoiding the problem.
【０００５】[0005]
【課題を解決するための手段】本発明は、炉内の溶湯を
貯留槽に貯めた後、所定の個所へ供給する金属溶湯供給
装置であって、前記貯留槽は炉内の溶湯中において下面
が開放された筒状に形成されているとともに、この貯留
槽を密閉構造の定量槽に連通させ、また前記炉内の溶湯
中にこの炉内の底部から前記貯留槽に向けて不活性ガス
を送り込んでバブリングさせることが可能な脱ガス処理
装置を備えていることを特徴とする。これにより、密閉
構造の定量槽への溶湯の供給が、脱ガス処理のための溶
湯中に送り込まれる不活性ガスを利用して行われるた
め、溶湯に対する連続的な脱ガス処理とほぼ同時に脱ガ
ス処理後の溶湯が定量槽に送り込まれる。この結果、溶
湯の脱ガス処理とその供給とを個別に行う場合と異な
り、脱ガス処理後の溶湯が空気と触れて劣化するのを避
けながら、溶湯を定量槽から所定の箇所へ供給すること
ができる。SUMMARY OF THE INVENTION The present invention is a metal melt supply apparatus for storing molten metal in a furnace in a storage tank and supplying the molten metal to a predetermined location, wherein the storage tank has a lower surface in the molten metal in the furnace.
Is formed in an open cylindrical shape, and this storage
A degassing process in which the tank communicates with a fixed- quantity tank having a closed structure, and an inert gas is fed into the molten metal in the furnace from the bottom of the furnace toward the storage tank to perform bubbling.
A device is provided . As a result, the molten metal is supplied to the fixed-quantity tank having a closed structure by using the inert gas sent into the molten metal for the degassing treatment, so that the degassing is performed almost simultaneously with the continuous degassing treatment for the molten metal. The molten metal after the treatment is sent to the measuring tank. As a result, unlike the case where the degassing process of the molten metal and the supply thereof are performed individually, the molten metal after the degassing process is supplied from the metering tank to a predetermined location while avoiding deterioration due to contact with air. Can be.
【０００６】[0006]
【発明の実施の形態】以下、本発明の実施の形態を説明
する。 実施の形態１ 図１は金属溶湯供給装置の概要を表した構成図である。
この図面で示すように上面が開放された保持炉１０の内
部にはアルミニュームなどの溶湯３６が貯められている
とともに、底面が開放された円錐筒形状の貯留槽１２が
その一部を溶湯３６の中に浸漬させた状態で配置されて
いる。この貯留槽１２の上部はスラグ除去室１４に連通
しているとともに、このスラグ除去室１４の上面にはバ
ルブ１８を備えた通路１６が貯留槽１２の内部に連通さ
せた状態で設けられている。Embodiments of the present invention will be described below. Embodiment 1 FIG. 1 is a configuration diagram showing an outline of a molten metal supply apparatus.
As shown in this drawing, a molten metal 36 such as aluminum is stored inside a holding furnace 10 having an open upper surface, and a part of the molten metal 36 having a conical cylindrical shape having an open lower surface is formed by the molten metal 36. It is arranged in a state of being immersed in. The upper portion of the storage tank 12 communicates with the slag removal chamber 14, and a passage 16 having a valve 18 is provided on the upper surface of the slag removal chamber 14 so as to communicate with the inside of the storage tank 12. .
【０００７】前記貯留槽１２の側方部には密閉構造の定
量槽２２が配置されており、この定量槽２２と前記貯留
槽１２とは連通管２０によって相互に連通させている。
この定量槽２２の上面には、バルブ２６を備えた加圧路
２４が定量槽２２の内部に連通させた状態で接続されて
いる。この加圧路２４を通じて所定のガス供給源（図示
外）から定量槽２２の内部に不活性ガス（窒素ガスやア
ルゴンガス）を送り込んでその内部を加圧できるように
なっている。なお前記定量槽２２には溶湯をダイカスト
マシーンの射出スリーブなどに供給するための給湯路２
８を連通させている。A fixed quantity tank 22 having a closed structure is arranged on a side portion of the storage tank 12, and the fixed quantity tank 22 and the storage tank 12 are mutually connected by a communication pipe 20.
A pressurizing path 24 having a valve 26 is connected to the upper surface of the fixed quantity tank 22 in a state of communicating with the inside of the fixed quantity tank 22. An inert gas (nitrogen gas or argon gas) is sent from a predetermined gas supply source (not shown) into the fixed volume tank 22 through the pressurizing path 24 to pressurize the inside. A hot water supply path 2 for supplying molten metal to the injection sleeve or the like of the die casting machine is provided in the fixed quantity tank 22.
8 is connected.
【０００８】前記保持炉１０の底部において、前記貯留
槽１２と対向する個所には保持炉１０の溶湯３６にガス
を送り込むことが可能なプラグ３４が設けられている。
このプラグ３４はガス供給路３２を通じて不活性ガス
（窒素ガスやアルゴンガス）の供給源（図示外）と連通
している。このプラグ３４から送り込まれる不活性ガス
は、溶湯３６内をバブリングしながら貯留槽１２の開放
底面からその内部へ供給されることとなる。At the bottom of the holding furnace 10, a plug 34 capable of feeding gas into the molten metal 36 of the holding furnace 10 is provided at a location facing the storage tank 12.
This plug 34 communicates with a supply source (not shown) of an inert gas (nitrogen gas or argon gas) through a gas supply path 32. The inert gas sent from the plug 34 is supplied from the open bottom surface of the storage tank 12 to the inside of the molten metal 36 while bubbling inside the molten metal 36.
【０００９】つづいて前記保持炉１０内の溶湯３６の供
給について説明する。まず前記バルブ１８は開き、かつ
バルブ２６は閉じた状態で前記プラグ３４から溶湯３６
内へ不活性ガスを連続的に送り込む。この不活性ガスは
溶湯３６内でバブリングを起こし、これによって溶湯３
６中に含まれている水素ガスの脱ガス処理が行われる。
つまり溶湯３６内へ不活性ガスを送り込むための構造
と、前記貯留槽１２の形状とによって脱ガス処理装置３
０が構成されている。Next, the supply of the molten metal 36 in the holding furnace 10 will be described. First, while the valve 18 is open and the valve 26 is closed, the molten metal 36 is removed from the plug 34.
The inert gas is continuously fed into the inside. This inert gas causes bubbling in the molten metal 36, whereby the molten metal 3
The degassing process of the hydrogen gas contained in 6 is performed.
In other words, the degassing treatment device 3 depends on the structure for sending the inert gas into the melt 36 and the shape of the storage tank 12.
0 is configured.
【００１０】前記プラグ３４から溶湯３６内に送り込ま
れた不活性ガスは溶湯３６と共に貯留槽１２の内部に向
けて送り込まれるので、この貯留槽１２内における溶湯
３６の圧力が高くなってその液面レベルが上昇する。こ
のため貯留槽１２内の溶湯３６は前記連通路２０を通っ
て定量槽２２に送られ、この定量槽２２内に充填され
る。このように本実施の形態では、溶湯３６の脱ガス処
理と同時にその溶湯３６を貯留槽１２内へ送り込み、か
つこの貯留槽１２から定量槽２２へ溶湯３６を供給でき
る。The inert gas sent from the plug 34 into the molten metal 36 is sent together with the molten metal 36 toward the inside of the storage tank 12, so that the pressure of the molten metal 36 in the storage tank 12 increases, and Level rises. For this reason, the molten metal 36 in the storage tank 12 is sent to the fixed quantity tank 22 through the communication path 20 and is filled in the fixed quantity tank 22. As described above, in the present embodiment, the molten metal 36 can be sent into the storage tank 12 simultaneously with the degassing of the molten metal 36, and the molten metal 36 can be supplied from the storage tank 12 to the fixed quantity tank 22.
【００１１】前記のように定量槽２２内に溶湯３６が充
填されたら、前記のバルブ１８を閉じるとともに、バル
ブ２６を開いて前記加圧路２４から定量槽２２の内部へ
不活性ガスを送り込んでこの定量槽２２内を加圧する。
この加圧により、定量槽２２内の溶湯３６が給湯路２８
を通じて前記の射出スリーブなどに供給される。When the molten metal 36 is filled in the fixed quantity tank 22 as described above, the valve 18 is closed, and the valve 26 is opened to send an inert gas from the pressurizing path 24 into the fixed quantity tank 22. The inside of the fixed amount tank 22 is pressurized.
By this pressurization, the molten metal 36 in the fixed quantity tank 22 is turned into the hot water supply path 28.
Through the injection sleeve.
【００１２】このように溶湯３６に対する脱ガス処理を
連続的に行いながら処理後の溶湯３６を供給できるの
で、脱ガス処理を供給システムとは別に行う場合と比較
して溶湯３６が空気と触れて劣化することを防止でき、
かつ作業性も向上する。なお前記貯留槽１２の内部にお
いては、その溶湯３６の表面に浮いたスラグがバブリン
グ後の不活性ガスの勢いにより前記スラグ除去室１４に
送り込まれて溜まるので、これは定期的に除去すればよ
い。As described above, since the molten metal 36 can be supplied while the degassing process is continuously performed on the molten metal 36, the molten metal 36 comes into contact with air as compared with the case where the degassing process is performed separately from the supply system. Deterioration can be prevented,
In addition, workability is improved. Inside the storage tank 12, slag floating on the surface of the molten metal 36 is fed into the slag removal chamber 14 by the force of the inert gas after bubbling and accumulates, so that it may be removed periodically. .
【００１３】実施の形態２ 図２は前記定量槽２２の改良構造を表した構成図であ
る。この実施の形態２は、前記の実施の形態１における
定量槽２２の溶湯量を容易にコントロール可能としたも
ので、定量槽２２の内部にはフロート７０が上下に移動
調整可能に設けられている。つまりこのフロート７０の
上下位置を変えることによって定量槽２２内の容量をコ
ントロールすることができる。これによって定量槽２２
内に貯められる溶湯３６の量を調整でき、この調整を定
量槽２２の内圧のコントロールだけに頼っている場合と
比較して安価で、かつ精度よく溶湯量を調整できる。Embodiment 2 FIG. 2 is a block diagram showing an improved structure of the quantitative tank 22. In the second embodiment, the amount of molten metal in the fixed quantity tank 22 in the first embodiment can be easily controlled. A float 70 is provided inside the fixed quantity tank 22 so as to be movable up and down. . That is, by changing the vertical position of the float 70, the capacity in the fixed amount tank 22 can be controlled. Thereby, the measuring tank 22
It is possible to adjust the amount of the molten metal 36 stored therein, and it is possible to adjust the amount of the molten metal at a lower cost and with higher accuracy than in the case where the adjustment relies solely on the control of the internal pressure of the fixed amount tank 22.
【図１】金属溶湯供給装置の概要を表した構成図。FIG. 1 is a configuration diagram showing an outline of a molten metal supply device.
【図２】定量槽の改良構造を表した構成図。FIG. 2 is a configuration diagram showing an improved structure of a fixed amount tank.
【符号の説明】 １０ 保持炉 １２ 貯留槽 ２２ 定量槽 ３０ 脱ガス処理装置 ３６ 溶湯[Description of Signs] 10 Holding furnace 12 Storage tank 22 Quantitative tank 30 Degassing device 36 Molten metal
───────────────────────────────────────────────────── フロントページの続き (72)発明者 福丸 茂 神奈川県厚木市妻田西３丁目11番２号 有明セラコ株式会社内 (72)発明者 海野 薫 神奈川県厚木市妻田西３丁目11番２号 有明セラコ株式会社内 審査官 金 公彦 (56)参考文献 特開 平６−182530（ＪＰ，Ａ) 特開 平４−48027（ＪＰ，Ａ) 特開 平１−170555（ＪＰ，Ａ) 特開 昭57−192214（ＪＰ，Ａ) 特開 平７−190639（ＪＰ，Ａ) 特開 昭53−80311（ＪＰ，Ａ) 特開 昭60−68142（ＪＰ，Ａ) 特開 平８−49979（ＪＰ，Ａ) 特開 平４−187366（ＪＰ，Ａ) 特開 平６−238429（ＪＰ，Ａ) 実開 平６−70958（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) B22D 35/00 B22D 1/00 B22D 39/00 B22D 45/00 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shigeru Fukumaru 3-11-2 Tsumada Nishi, Atsugi City, Kanagawa Prefecture Inside Ariake Seraco Co., Ltd. (72) Inventor Kaoru 3-11-2, Tsumada Nishi, Atsugi City, Kanagawa Prefecture Examiner, Kimihiko Kim, Ariake Serraco Co., Ltd. (56) References JP-A-6-182530 (JP, A) JP-A-4-48027 (JP, A) JP-A-1-170555 (JP, A) JP 57-192214 (JP, A) JP-A-7-190639 (JP, A) JP-A-53-80311 (JP, A) JP-A-60-68142 (JP, A) JP-A-8-49979 (JP, A A) JP-A-4-187366 (JP, A) JP-A-6-238429 (JP, A) JP-A-6-70958 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) ) B22D 35/00 B22D 1/00 B22D 39/00 B22D 45/00
Claims (1)
個所へ供給する金属溶湯供給装置であって、前記貯留槽
は炉内の溶湯中において下面が開放された筒状に形成さ
れているとともに、この貯留槽を密閉構造の定量槽に連
通させ、また前記炉内の溶湯中にこの炉内の底部から前
記貯留槽に向けて不活性ガスを送り込んでバブリングさ
せることが可能な脱ガス処理装置を備えていることを特
徴とする金属溶湯供給装置。1. A metal melt supply device for storing molten metal in a furnace in a storage tank and then supplying the molten metal to a predetermined location.
Is formed into a cylindrical shape with an open bottom in the molten metal in the furnace.
This storage tank is connected to a fixed-quantity fixed tank.
Through the furnace and into the furnace
A molten metal supply device comprising a degassing device capable of sending an inert gas toward the storage tank and bubbling the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16471296A JP3209682B2 (en) | 1996-06-25 | 1996-06-25 | Metal melt supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16471296A JP3209682B2 (en) | 1996-06-25 | 1996-06-25 | Metal melt supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH105982A JPH105982A (en) | 1998-01-13 |
| JP3209682B2 true JP3209682B2 (en) | 2001-09-17 |
Family
ID=15798459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16471296A Expired - Fee Related JP3209682B2 (en) | 1996-06-25 | 1996-06-25 | Metal melt supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3209682B2 (en) |
-
1996
- 1996-06-25 JP JP16471296A patent/JP3209682B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH105982A (en) | 1998-01-13 |
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