JP3392544B2 - Metal melt valve in metal melt furnace - Google Patents
Metal melt valve in metal melt furnaceInfo
- Publication number
- JP3392544B2 JP3392544B2 JP25196794A JP25196794A JP3392544B2 JP 3392544 B2 JP3392544 B2 JP 3392544B2 JP 25196794 A JP25196794 A JP 25196794A JP 25196794 A JP25196794 A JP 25196794A JP 3392544 B2 JP3392544 B2 JP 3392544B2
- Authority
- JP
- Japan
- Prior art keywords
- valve seat
- valve
- metal melt
- flow port
- furnace
- 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 - Lifetime
Links
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Furnace Charging Or Discharging (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、鋳造機へ給湯するため
の金属溶湯（以下、単に溶湯と称する）を貯え保持する
ための金属溶湯炉に形成した溶湯流通口を開閉するため
の弁構造に関し、更に詳しくは、金属溶湯炉に形成した
溶湯流通口に弁座を設置し、その弁座に弁棒の先端を接
離させることにより上記溶湯流通口を開閉するように構
成した金属溶湯弁に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a valve structure for opening and closing a molten metal flow port formed in a molten metal furnace for storing and holding molten metal (hereinafter, simply referred to as molten metal) for supplying hot water to a casting machine. More specifically, regarding the metal melt valve, a valve seat is installed at a melt flow port formed in a metal melt furnace, and the melt flow port is configured to be opened and closed by contacting and separating the tip of a valve rod with the valve seat. It is about.
【０００２】[0002]
【従来の技術】従来のこの種金属溶湯弁では、図３に示
す如く、溶湯流通口ａの弁座設置部ｂに弁座ｃを接着剤
ｄを用いて直接接着固定させていたため、弁座の座面が
摩耗したり弁座が損傷したりして新たな弁座と交換する
必要が生じた場合には、溶湯流通口ａの弁座設置部ｂを
破壊しなければ弁座ｃを分離することができなかった。
その為に、弁座の交換に多大な費用と手間が掛ると共
に、一旦溶湯流通口の弁座設置部から取り外した弁座は
再利用することが出来ない不具合があった。2. Description of the Related Art In a conventional metal melt valve of this type, as shown in FIG. 3, a valve seat c is directly adhered and fixed to a valve seat installation portion b of a melt flow port a by using an adhesive d. When it is necessary to replace the valve seat with a new valve seat due to abrasion of the seat surface of the valve seat or damage to the valve seat, the valve seat c is separated unless the valve seat installation portion b of the molten metal flow port a is destroyed. I couldn't.
Therefore, there is a problem in that replacement of the valve seat requires a great deal of cost and labor, and the valve seat once removed from the valve seat installation portion of the molten metal flow port cannot be reused.
【０００３】[0003]
【発明が解決しようとする課題】本発明はこの様な従来
の不具合に鑑みてなされたものであり、溶湯流通口の弁
座設置部から弁座を、溶湯流通口の弁座設置部を破壊す
ることなく簡便に取り外すことが出来ると共に、弁座設
置部から取り外した弁座を再利用することが可能な金属
溶湯炉における金属溶湯弁を提供せんとするものであ
る。SUMMARY OF THE INVENTION The present invention has been made in view of such a conventional problem, and destroys the valve seat from the valve seat installation portion of the molten metal flow port and the valve seat installation portion of the molten metal flow port. It is intended to provide a metal melt valve in a metal melt furnace, which can be easily removed without doing so and can reuse the valve seat removed from the valve seat installation portion.
【０００４】[0004]
【課題を解決するための手段】斯る目的を達成する本発
明の請求項１に係る金属溶湯炉における金属溶湯弁は、
溶湯流通口の弁座設置部を略漏斗形状に形成し、該弁座
設置部に弁座を適合設置すると共に、上記弁座の上部外
周と溶湯流通口口縁との間に充填用溝を囲繞形成し、該
充填用溝内に充填材を充填させることにより上記弁座を
前記弁座設置部に固定せしめた事を特徴としたものであ
る。また、請求項２に係る金属溶湯弁は、前記弁座を耐
摩耗性に優れた硬質セラミックスで成形せしめた事を特
徴とし、請求項３に係る金属溶湯弁は前記充填材がルミ
キャストである事を特徴としたものである。A metal melt valve in a metal melt furnace according to claim 1 of the present invention which achieves the above object,
The valve seat installation portion of the molten metal flow port is formed in a substantially funnel shape, and the valve seat is adaptively installed in the valve seat installation portion, and a filling groove is provided between the upper outer periphery of the valve seat and the edge of the molten metal flow port. It is characterized in that the valve seat is fixed to the valve seat installation portion by surrounding it and filling a filling material into the filling groove. Further, the metal melt valve according to claim 2 is characterized in that the valve seat is formed of hard ceramics having excellent wear resistance, and the metal melt valve according to claim 3 is characterized in that the filling material is Lumicast. It is characterized by things.
【０００５】[0005]
【実施例】以下、本発明の実施の一例を図面に基づいて
説明する。図示実施例に係る金属溶湯炉は、保持炉部１
と定湯面炉部２とが並列状一体に構築された定湯面炉で
あるが、本発明はこの様な実施例に限定されるものでは
なく、溶湯流通口３に設置した弁座４に弁棒５の先端を
接離させることにより溶湯流通口３を開閉する弁構造を
備えた全ての金属溶湯炉に適用可能である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The molten metal furnace according to the illustrated embodiment has a holding furnace section 1
This is a constant-temperature surface furnace in which the constant-temperature surface furnace portion 2 and the constant-temperature surface furnace portion 2 are integrally formed in parallel, but the present invention is not limited to such an embodiment, and the valve seat 4 installed at the molten metal flow port 3 is used. The present invention can be applied to all metal melt furnaces having a valve structure for opening and closing the melt flow port 3 by bringing the tip of the valve rod 5 into and out of contact.
【０００６】図示例の金属溶湯炉では、溶湯ｍを大量に
貯えて置くための保持炉部１と、鋳造機へ供給する溶湯
ｍ’を所要一定量保持するための定湯面炉部２との間
に、両者を互いに連通させるための溶湯流通口３が開口
形成され、その溶湯流通口３に設置した弁座４に弁棒５
の先端を接離させることにより溶湯流通口３を開閉する
ようにしたものである。In the illustrated molten metal furnace, a holding furnace portion 1 for storing and placing a large amount of molten metal m, and a fixed surface furnace portion 2 for holding a required fixed amount of molten metal m'supplied to a casting machine. A molten metal flow port 3 for communicating the both with each other is formed between the two, and a valve seat 4 installed on the molten metal flow port 3 has a valve rod 5
The molten metal flow port 3 is opened and closed by contacting and separating the tips of the.
【０００７】弁座４を設置するための弁座設置部６は、
溶湯流通口３の一部を上側（弁棒５側）に開放した略漏
斗形状に形成してなり、この弁座設置部６内に弁座４を
溶湯流通口３の口縁３ａと面一状に適合設置する。The valve seat installation portion 6 for installing the valve seat 4 is
A part of the molten metal flow port 3 is formed in a substantially funnel shape opened to the upper side (the valve rod 5 side), and the valve seat 4 is flush with the rim 3a of the molten metal flow port 3 in the valve seat installation portion 6. Install according to the shape.
【０００８】弁座４は、窒化ケイ素等の耐摩耗性に優れ
た硬質セラミックスを用いて、その外形形状を弁座設置
部６の形状と適合するように略逆截頭円錐形状に形成す
ると共に、上部外周に充填材７の一部を充填係合させる
ための凹溝４ａを囲繞形成してなる。The valve seat 4 is made of hard ceramics such as silicon nitride having excellent wear resistance, and its outer shape is formed into a substantially inverted truncated cone shape so as to match the shape of the valve seat installation portion 6. A groove 4a for filling and engaging a part of the filling material 7 is formed on the outer circumference of the upper part.
【０００９】そして、この弁座４を溶湯流通口３の弁座
設置部６内に緊密に嵌合させると共に、弁座４の上部外
周を充填材７でもって弁座設置部６に固定せしめる。即
ち、弁座４の上部外周と溶湯流通口３の口縁３ａとの間
に充填用溝８を囲繞形成し、その充填用溝８内に充填材
７を充填することにより、弁座４を弁座設置部６に固定
させるものである。The valve seat 4 is tightly fitted in the valve seat installation portion 6 of the molten metal flow port 3, and the outer periphery of the upper portion of the valve seat 4 is fixed to the valve seat installation portion 6 with the filling material 7. That is, the filling groove 8 is formed between the outer periphery of the upper portion of the valve seat 4 and the mouth edge 3a of the molten metal flow port 3, and the filling material 7 is filled in the filling groove 8 to form the valve seat 4 It is fixed to the valve seat installation portion 6.
【００１０】この際、充填用溝８の内周面８ａを、溝の
奥方へ向うに従って外側へ拡がるように形成することが
好ましい。そうすれば、弁座４外周に形成した凹溝４ａ
内に充填された充填材７と相俟って弁座４を弁座設置部
６内に不用意にガタ付くことなくしっかりと固定保持す
ることが出来るようになる。At this time, it is preferable that the inner peripheral surface 8a of the filling groove 8 is formed so as to expand outward as it goes inward of the groove. Then, the concave groove 4a formed on the outer periphery of the valve seat 4
Together with the filling material 7 filled inside, the valve seat 4 can be firmly fixed and held in the valve seat installation portion 6 without being loosened carelessly.
【００１１】また、充填用溝８内に充填される充填材７
としては、溶湯温度に耐えられる材料であればなんでも
良いが、施工のち硬化した際の強度が弁座４の１／５以
下になる材料、具体的にはセラミックスファイバーとア
ルミナを主材としたペースト状の繊維質不定形断熱材
（商品名：ルミキャスト）を用いることが好ましい。そ
うすれば、充填材７を破砕する際に弁座４や溶湯流通口
３を構成している炉材９を損傷することが少なくなる。Further, the filling material 7 filled in the filling groove 8
Any material can be used as long as it can withstand the temperature of the molten metal, but a material whose strength after hardening is ⅕ or less of that of the valve seat 4, specifically, a paste mainly composed of ceramic fibers and alumina It is preferable to use a fibrous amorphous heat insulating material (trade name: Lumicast). Then, when the filler 7 is crushed, the valve seat 4 and the furnace material 9 forming the molten metal flow port 3 are less likely to be damaged.
【００１２】而して、弁座４の座面４ｂが摩耗したり弁
座４が損傷したりして新たな弁座と交換する必要が生じ
た場合には、弁座４を固定している充填材７を破砕すれ
ば、弁座４が開放されるので、弁座４を溶湯流通口３の
弁座設置部６から引き抜くことが可能となる。When the seat surface 4b of the valve seat 4 is worn or damaged and the valve seat 4 needs to be replaced with a new valve seat, the valve seat 4 is fixed. When the filler 7 is crushed, the valve seat 4 is opened, so that the valve seat 4 can be pulled out from the valve seat installation portion 6 of the molten metal flow port 3.
【００１３】[0013]
【発明の効果】本発明請求項１記載の金属溶湯炉におけ
る金属溶湯弁は斯様に構成したので、弁座を固定してい
る充填材を破砕すれば、溶湯流通口の弁座設置部から弁
座を、溶湯流通口の弁座設置部を破壊することなく簡便
に取り外すことが出来る。Since the metal melt valve in the metal melt furnace according to claim 1 of the present invention is configured in this way, if the filler material that fixes the valve seat is crushed, it will be removed from the valve seat installation portion of the melt flow port. The valve seat can be easily removed without destroying the valve seat installation portion of the molten metal flow port.
【００１４】また、請求項２記載の金属溶湯弁によれ
ば、弁座の耐久性を大幅に向上させることが出来る。According to the molten metal valve of the second aspect, the durability of the valve seat can be greatly improved.
【００１５】更に、請求項３記載の金属溶湯弁によれ
ば、弁座から充填材を容易に分離することが可能となる
ので、弁座設置部から取り外した弁座を再利用すること
が可能となる。Further, according to the metal melt valve of the third aspect, the filling material can be easily separated from the valve seat, so that the valve seat removed from the valve seat installation portion can be reused. Becomes
【図１】 本発明実施の一例を示す模式断面図。FIG. 1 is a schematic cross-sectional view showing an example of implementation of the present invention.
【図２】 要部の拡大断面図。FIG. 2 is an enlarged cross-sectional view of a main part.
【図３】 従来例を示す拡大断面図。FIG. 3 is an enlarged cross-sectional view showing a conventional example.
１：保持炉部 ２：定湯面炉部 ３：溶湯流通口 ４：弁座 ５：弁棒 ６：弁座設置部 ７：充填材 ８：充填用溝 ９：炉材 1: Holding furnace part 2: Constant surface furnace part 3: Melt flow port 4: Valve seat 5: valve rod 6: valve seat installation part 7: Filler 8: Filling groove 9: Furnace material
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭49−135409（ＪＰ，Ｕ) 実開 昭53−160419（ＪＰ，Ｕ) 実開 平３−91170（ＪＰ，Ｕ) 特公 昭45−3763（ＪＰ，Ｂ１) 実公 昭48−32894（ＪＰ，Ｙ１) (58)調査した分野(Int.Cl.7，ＤＢ名) B22D 41/16 B22D 45/00 B22D 17/30 F27D 3/14 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliography Sho 49-135409 (JP, U) Rikai 53-160419 (JP, U) Rikai Hei 3-91170 (JP, U) Japanese Patent Sho 45- 3763 (JP, B1) S. 48-32894 (JP, Y1) (58) Fields investigated (Int.Cl. 7 , DB name) B22D 41/16 B22D 45/00 B22D 17/30 F27D 3/14
Claims (3)
を設置し、該弁座に弁棒先端を接離させることにより上
記溶湯流通口を開閉する金属溶湯弁において、前記溶湯
流通口の弁座設置部を略漏斗形状に形成し、該弁座設置
部に弁座を適合設置すると共に、上記弁座の上部外周と
溶湯流通口口縁との間に充填用溝を囲繞形成し、該充填
用溝内に充填材を充填させることにより上記弁座を前記
弁座設置部に固定せしめた事を特徴とする金属溶湯炉に
おける金属溶湯弁。1. A metal melt valve in which a valve seat is installed at a melt flow port formed in a metal melt furnace and the valve rod tip is brought into contact with and separated from the valve seat to open and close the melt flow port. The valve seat installation part of is formed in a substantially funnel shape, and the valve seat is adaptively installed in the valve seat installation part, and a filling groove is formed between the outer periphery of the upper part of the valve seat and the edge of the molten metal flow port. A metal melt valve in a metal melt furnace, wherein the valve seat is fixed to the valve seat installation portion by filling a filling material into the filling groove.
ックスで形成した事を特徴とする請求項１記載の金属溶
湯炉における金属溶湯弁。2. The metal melt valve in a metal melt furnace according to claim 1, wherein the valve seat is made of hard ceramics having excellent wear resistance.
１記載の金属溶湯炉における金属溶湯弁。3. The metal melt valve in the metal melt furnace according to claim 1, wherein the filler is Lumicast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25196794A JP3392544B2 (en) | 1994-10-18 | 1994-10-18 | Metal melt valve in metal melt furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25196794A JP3392544B2 (en) | 1994-10-18 | 1994-10-18 | Metal melt valve in metal melt furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08117976A JPH08117976A (en) | 1996-05-14 |
| JP3392544B2 true JP3392544B2 (en) | 2003-03-31 |
Family
ID=17230665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25196794A Expired - Lifetime JP3392544B2 (en) | 1994-10-18 | 1994-10-18 | Metal melt valve in metal melt furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3392544B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006057179A1 (en) * | 2004-11-25 | 2006-06-01 | Tounetsu Co., Ltd. | Holding furnace for supplying fixed amount of molten metal |
| JP2006150370A (en) * | 2004-11-25 | 2006-06-15 | Tounetsu Co Ltd | Holding furnace for low pressure casting |
-
1994
- 1994-10-18 JP JP25196794A patent/JP3392544B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006057179A1 (en) * | 2004-11-25 | 2006-06-01 | Tounetsu Co., Ltd. | Holding furnace for supplying fixed amount of molten metal |
| JP2006150370A (en) * | 2004-11-25 | 2006-06-15 | Tounetsu Co Ltd | Holding furnace for low pressure casting |
| US7790098B2 (en) | 2004-11-25 | 2010-09-07 | Tounetsu Corporation | Molten metal holding furnace |
| JP4615300B2 (en) * | 2004-11-25 | 2011-01-19 | 株式会社トウネツ | Holding furnace for low pressure casting |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08117976A (en) | 1996-05-14 |
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