JPH0788631A - Method for forming weir plate in triangular ladle - Google Patents
Method for forming weir plate in triangular ladleInfo
- Publication number
- JPH0788631A JPH0788631A JP23398993A JP23398993A JPH0788631A JP H0788631 A JPH0788631 A JP H0788631A JP 23398993 A JP23398993 A JP 23398993A JP 23398993 A JP23398993 A JP 23398993A JP H0788631 A JPH0788631 A JP H0788631A
- Authority
- JP
- Japan
- Prior art keywords
- ladle
- ladle body
- mold
- side wall
- weir plate
- 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.)
- Pending
Links
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、遠心鋳造設備などにお
いて使用されている三角取鍋の内側に、堰板を形成する
堰板形成方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a weir plate forming method for forming a weir plate inside a triangular ladle used in centrifugal casting equipment and the like.
【０００２】[0002]
【従来の技術】鋳鉄管を製造する遠心鋳造設備において
は、図６に示すように、１回の鋳込みごとに鋳型に対し
て三角取鍋１からシュートおよび注湯トラフ２を介して
注湯し、三角取鍋１に対しては定置取鍋３から１回の鋳
込み分の溶湯を鋳込み前に供給し、定置取鍋３に対して
は溶解炉から配湯取鍋４にて配湯するようにした注湯シ
ステムが一般的に採用されている。2. Description of the Related Art In a centrifugal casting facility for producing cast iron pipes, as shown in FIG. 6, pouring is performed from a triangular ladle 1 through a chute and a pouring trough 2 to a mold for each casting. , For the triangular ladle 1, the molten metal for one casting is supplied from the stationary ladle 3 before casting, and for the stationary ladle 3 the hot water is distributed from the melting furnace by the hot water ladle 4. The molten metal pouring system is generally adopted.
【０００３】三角取鍋１は図７と図８に示すように、取
鍋本体５の内部に堰板６が設けられており、定置取鍋３
からの溶湯は供給口７に注がれ、溶湯は堰板６の下方を
通って注ぎ口８からシュートおよび注湯トラフ２に注が
れる。堰板６はスラグが鋳型に流れ込まないようにする
のに役立っており、従来では、図９に示すように、取鍋
本体５の形状に合うように黒鉛系の耐火物を切断し、こ
れを金具〔図示せず〕によって取鍋本体５に取り付けて
堰板６とし、堰板６と取鍋本体５との隙間Ｇを耐火物で
目地詰めして仕上げられている。As shown in FIGS. 7 and 8, the triangular ladle 1 is provided with a dam plate 6 inside a ladle body 5, and a stationary ladle 3 is provided.
The molten metal is poured from the pouring port 8 into the chute and the pouring trough 2 through the bottom of the barrier plate 6. The dam plate 6 serves to prevent the slag from flowing into the mold. Conventionally, as shown in FIG. 9, a graphite-based refractory material is cut to fit the shape of the ladle body 5, and It is attached to the ladle body 5 by a metal fitting (not shown) to form a weir plate 6, and the gap G between the weir plate 6 and the ladle body 5 is jointed with a refractory material for finishing.
【０００４】[0004]
【発明が解決しようとする課題】このように堰板形成に
は、黒鉛系の耐火物の切断，隙間Ｇの目地詰めにかなり
の時間を必要とする。また、三角取鍋１は長期間の使用
によって隙間Ｇの目地詰めが不良になるため、従来で
は、黒鉛系の耐火物が高価であることもあって、使用後
には隙間Ｇの目地の補修が実施されており、この補修に
もかなりの時間を要しているのが現状である。As described above, in forming the barrier plate, a considerable amount of time is required for cutting the graphite-based refractory material and filling the joints in the gap G. Further, since the triangular ladle 1 has a poor filling of the joints in the gap G after a long period of use, the graphite-based refractory material is expensive in the past, and therefore the joint of the gap G can be repaired after use. It is being carried out, and the current situation is that this repair also takes a considerable amount of time.
【０００５】本発明は、安価で、しかも施工が容易な堰
板形成方法を提供することを目的とする。An object of the present invention is to provide a barrier plate forming method which is inexpensive and easy to construct.
【０００６】[0006]
【課題を解決するための手段】本発明の堰板形成方法
は、取鍋本体の内側に、この取鍋本体の側壁との対向部
が少なくとも弾性体で形成され、底板を押し込むことに
よって前記弾性体が取鍋本体の側壁に押し出される構造
の型枠を配置し、型枠を配置後に型枠の底板を押し込ん
で前記弾性体を取鍋本体の側壁に押し付けて型枠と取鍋
本体の側壁との隙間を埋め、この型枠の上に耐火性の壁
材を流し込み、壁材が硬化後に前記型枠を取り外して堰
板を形成することを特徴とする。According to the barrier plate forming method of the present invention, at least an elastic body is formed inside the ladle body so as to face the side wall of the ladle body, and the elastic force is generated by pushing the bottom plate. Place the formwork of the structure in which the body is pushed out to the side wall of the ladle body, and after placing the formwork, push the bottom plate of the formwork and press the elastic body against the side wall of the ladle body to form the side wall of the formwork and ladle body. It is characterized in that the gap between the mold and the mold is filled, a fireproof wall material is poured onto the mold, and after the wall material is hardened, the mold is removed to form a dam plate.
【０００７】[0007]
【作用】この構成によると、型枠の底板を押し込むこと
によって、弾性体が変形して型枠と取鍋本体との隙間が
無くなり、この型枠に壁材を型枠に流し込んで硬化させ
ることによって堰板が取鍋本体に作られ、その後に型枠
が外される。With this structure, when the bottom plate of the form is pushed in, the elastic body is deformed and the gap between the form and the ladle body is eliminated, and the wall material is poured into the form and cured. The weir plate is made in the ladle body, and then the form is removed.
【０００８】[0008]
【実施例】以下、本発明の堰板形成方法を具体的な実施
例を示す図１〜図５に基づいて説明する。EXAMPLES The method for forming a barrier plate of the present invention will be described below with reference to FIGS. 1 to 5 showing specific examples.
【０００９】本発明の堰板形成方法で使用される型枠９
は、図２と図３に示すように構成されている。図３に示
すように、奥端側の仕切り壁１０ａが一体に成形された
型枠外周部１１と、この型枠外周部１１の内側に介装さ
れて型枠底板を形成する第１，第２，第３の底板１２
ａ，１２ｂ，１２ｃと、手前側の仕切り壁１０ｂとで構
成されている。型枠外周部１１は弾性材料で成形されて
いる。楔状の第１，第２，第３の底板１２ａ，１２ｂ，
１２ｃは、図２に示すように、第１の底板１２ａを中央
にしてその両側に第２，第３の底板１２ｂ，１２ｃを配
置して型枠外周部１１の内側に介装して使用される。Form 9 used in the barrier plate forming method of the present invention
Are configured as shown in FIGS. 2 and 3. As shown in FIG. 3, the partition wall 10a on the rear end side is integrally molded, and the first and first mold outer peripheral portions 11 are provided inside the mold outer peripheral portion 11 to form a mold bottom plate. 2, the third bottom plate 12
It is composed of a, 12b and 12c and a partition wall 10b on the front side. The mold frame outer peripheral portion 11 is formed of an elastic material. Wedge-shaped first, second, and third bottom plates 12a, 12b,
As shown in FIG. 2, the reference numeral 12c is used by interposing the first bottom plate 12a at the center with the second and third bottom plates 12b and 12c on both sides thereof and interposing it inside the mold outer peripheral portion 11. It
【００１０】この型枠を使用しての堰板形成は図１に示
すような手順で実施される。まず、図１の（ａ）に示す
ように堰板６の形成を受ける取鍋本体５を横倒しにし
て、次に図１の（ｂ）に示すように取鍋本体５の中に支
持台１３ａ，１３ｂを配置して、この支持台１３ａ，１
３ｂの上に型枠９をセットする。この状態では、図４に
示すように型枠外周部１１と取鍋本体５の側壁５ａとの
間に隙間Ｇが発生している。次いで第１の底板１２ａを
押し込むことによって、第２，第３の底板１２ｂ，１２
ｃが外側に押し出されて、取鍋本体５の側壁との間に挟
まれている型枠外周部１１が図５に示すように弾性変形
してこの隙間Ｇを埋める。このようにして隙間Ｇが無く
なった状態で図１の（ｃ）に示すように仕切り壁１０ｂ
をセットして、型枠９にキャスタブル耐火物１４を注い
で硬化させる。キャスタブル耐火物１４の硬化が完了す
ると、型枠９を分解して取鍋本体５から除去して、図１
の（ｄ）に示すように堰板６の形成が完了する。The formation of a barrier plate using this mold is carried out by the procedure shown in FIG. First, as shown in FIG. 1 (a), the ladle body 5 receiving the formation of the weir plate 6 is laid down, and then, as shown in FIG. 1 (b), the support base 13a is placed in the ladle body 5. , 13b are arranged, and the support bases 13a, 1
The mold 9 is set on 3b. In this state, as shown in FIG. 4, a gap G is formed between the mold outer peripheral portion 11 and the side wall 5a of the ladle body 5. Then, by pushing in the first bottom plate 12a, the second and third bottom plates 12b, 12
c is pushed outward, and the outer peripheral portion 11 of the frame sandwiched between the side wall of the ladle body 5 is elastically deformed as shown in FIG. With the gap G thus eliminated, the partition wall 10b as shown in FIG.
And castable refractory 14 is poured into the frame 9 to cure. When the castable refractory 14 is completely hardened, the mold 9 is disassembled and removed from the ladle body 5, as shown in FIG.
The formation of the barrier plate 6 is completed as shown in FIG.
【００１１】ここで云うキャスタブル耐火物１４は、耐
火性骨材と水硬性セメントを混合したもので、施工時に
水を混ぜて型枠９に鋳込んだ。型枠９を分解して取鍋本
体５から除去する手順は、第１の底板１２ａを引き抜い
た後に支持台１３ａ，１３ｂと第２，第３の底板１２
ｂ，１２ｃを除去し、弾性体で形成されている型枠外周
部１１を下方に引き抜いて除去される。The castable refractory 14 referred to here is a mixture of refractory aggregate and hydraulic cement, and was mixed with water at the time of construction and cast into the mold 9. The procedure for disassembling the mold 9 and removing it from the ladle body 5 is as follows: the support bases 13a and 13b and the second and third bottom plates 12 after pulling out the first bottom plate 12a.
b and 12c are removed, and the outer peripheral portion 11 of the mold, which is made of an elastic material, is pulled out and removed.
【００１２】このように、高価な黒鉛系の耐火物を使用
せずにキャスタブル耐火物１４を型枠９に鋳込んで堰板
を作れるため、安価で、しかも黒鉛系の耐火物を使用し
た場合のような隙間Ｇの目地詰め作業も必要でない。As described above, the castable refractory 14 can be cast into the mold 9 to form a barrier plate without using an expensive graphite refractory, so that the cost is low and when the graphite refractory is used. It is not necessary to perform the joint filling work of the gap G as described above.
【００１３】長期間にわたって使用した三角取鍋１につ
いては、キャスタブル耐火物１４の堰板６を砕いて除去
した後に、上記と同様にして型枠９を使用してキャスタ
ブル耐火物１４の堰板６が形成される。As for the triangular ladle 1 which has been used for a long period of time, the weir plate 6 of the castable refractory 14 is crushed and removed, and then the weir plate 6 of the castable refractory 14 is used by using the form 9 as described above. Is formed.
【００１４】上記の実施例の型枠外周部１１は、取鍋本
体５の側壁に対向する一対の外周部１１ａ，１１ｂとこ
の奥端側の相互間に掛け渡された仕切り壁１０ａとが一
体に成形されていたが格別に構成しても堰板６を形成で
きる。仕切り壁１０ａについては、弾性体で構成しなく
ても仕切り壁１０ａの長さ方向に複数に分割して、型枠
９を除去するときに取り出し易い構造とすることによっ
て同様の目的を達成できる。In the outer peripheral portion 11 of the formwork of the above embodiment, a pair of outer peripheral portions 11a and 11b facing the side wall of the ladle body 5 and a partition wall 10a extending between the inner peripheral portions 11a and 11b are integrally formed. The barrier plate 6 can be formed even if it is specially configured. Even if the partition wall 10a is not made of an elastic body, the same purpose can be achieved by dividing the partition wall 10a into a plurality of parts in the length direction of the partition wall 10a so that the partition frame 10a can be easily taken out when the mold frame 9 is removed.
【００１５】[0015]
【発明の効果】以上のように本発明の堰板形成方法によ
ると、取鍋本体の内側に、この取鍋本体の側壁との対向
部が少なくとも弾性体で形成され、底板を押し込むこと
によって前記弾性体が取鍋本体の側壁に押し出される構
造の型枠を配置し、型枠を配置後に型枠の底板を押し込
んで前記弾性体を取鍋本体の側壁に押し付けて型枠と取
鍋本体の側壁との隙間を埋め、この型枠の上に耐火性の
壁材を流し込み、壁材が硬化後に前記型枠を取り外して
堰板を形成するため、型枠の底板を押し込むことによっ
て、弾性体が変形して型枠と取鍋本体との隙間が無くな
り、この型枠に壁材を型枠に流し込んで硬化させ、その
後に型枠を取り外すことによって安価に、しかも従来の
ような目地詰め作業を実施すること無しに取鍋本体に堰
板を形成することができる。As described above, according to the barrier plate forming method of the present invention, the portion facing the side wall of the ladle body is formed of at least an elastic body inside the ladle body, and the bottom plate is pushed into the ladle body. Place the formwork of the structure in which the elastic body is pushed out to the side wall of the ladle body, push the bottom plate of the formwork after arranging the formwork and press the elastic body against the side wall of the ladle body to The gap between the side wall is filled, a fireproof wall material is poured on the mold, and after the wall material is hardened, the mold is removed to form a dam plate. Is deformed to eliminate the gap between the formwork and the ladle body, the wall material is poured into the formwork to cure it, and then the formwork is removed to make it cheaper and the joint filling work as in the past. Forming a weir plate on the ladle body without carrying out It can be.
【図１】本発明の堰板形成方法の具体的な実施例の工程
図である。FIG. 1 is a process drawing of a specific example of the barrier plate forming method of the present invention.
【図２】同実施例の型枠の組み立て斜視図である。FIG. 2 is an assembled perspective view of the mold of the embodiment.
【図３】同実施例の型枠の分解斜視図である。FIG. 3 is an exploded perspective view of the mold of the same embodiment.
【図４】同実施例において、取鍋本体に型枠を配置した
直後の水平断面図である。FIG. 4 is a horizontal cross-sectional view immediately after placing the mold on the ladle body in the embodiment.
【図５】同実施例において、第１の底板を押し込んだ状
態の水平断面図である。FIG. 5 is a horizontal sectional view showing a state where the first bottom plate is pushed in in the embodiment.
【図６】遠心鋳造設備の説明図である。FIG. 6 is an explanatory view of centrifugal casting equipment.
【図７】三角取鍋の平面図である。FIG. 7 is a plan view of a triangular ladle.
【図８】三角取鍋の縦断面図である。FIG. 8 is a vertical sectional view of a triangular ladle.
【図９】目地詰め前の従来の三角取鍋の縦断面図であ
る。FIG. 9 is a vertical cross-sectional view of a conventional triangular ladle before joint filling.
１ 三角取鍋 ５ 取鍋本体 ６ 堰板 ９ 型枠 １１ 型枠外周部 １２ａ 第１の底板 １４ キャスタブル耐火物〔壁材〕 1 triangular ladle 5 ladle main body 6 weir plate 9 formwork 11 formwork outer peripheral portion 12a first bottom plate 14 castable refractory [wall material]
Claims (1)
との対向部が少なくとも弾性体で形成され、底板を押し
込むことによって前記弾性体が取鍋本体の側壁に押し出
される構造の型枠を配置し、型枠を配置後に型枠の底板
を押し込んで前記弾性体を取鍋本体の側壁に押し付けて
型枠と取鍋本体の側壁との隙間を埋め、この型枠の上に
耐火性の壁材を流し込み、壁材が硬化後に前記型枠を取
り外して堰板を形成する三角取鍋における堰板形成方
法。1. A mold having a structure in which a portion facing the side wall of the ladle body is formed of at least an elastic body inside the ladle body, and the elastic body is pushed out to the side wall of the ladle body by pushing the bottom plate. Place the frame, push the bottom plate of the form after placing the form, press the elastic body against the side wall of the ladle body to fill the gap between the form frame and the side wall of the ladle body, and fireproof on this form frame. A method for forming a weir plate in a triangular ladle, in which a flexible wall material is poured and the mold is removed after the wall material has hardened to form a weir plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23398993A JPH0788631A (en) | 1993-09-21 | 1993-09-21 | Method for forming weir plate in triangular ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23398993A JPH0788631A (en) | 1993-09-21 | 1993-09-21 | Method for forming weir plate in triangular ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0788631A true JPH0788631A (en) | 1995-04-04 |
Family
ID=16963805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23398993A Pending JPH0788631A (en) | 1993-09-21 | 1993-09-21 | Method for forming weir plate in triangular ladle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0788631A (en) |
-
1993
- 1993-09-21 JP JP23398993A patent/JPH0788631A/en active Pending
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