JPH0399754A - Mold for continuous casting - Google Patents
Mold for continuous castingInfo
- Publication number
- JPH0399754A JPH0399754A JP23708889A JP23708889A JPH0399754A JP H0399754 A JPH0399754 A JP H0399754A JP 23708889 A JP23708889 A JP 23708889A JP 23708889 A JP23708889 A JP 23708889A JP H0399754 A JPH0399754 A JP H0399754A
- Authority
- JP
- Japan
- Prior art keywords
- copper plate
- bolt
- continuous casting
- plate
- space
- 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
- 238000009749 continuous casting Methods 0.000 title claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910052802 copper Inorganic materials 0.000 claims abstract description 37
- 239000010949 copper Substances 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000002844 melting Methods 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は連続Ｕｆ造用鋳型の溶鋼と接する側の銅板の表
面の温度差を小さくできる連続鋳造用Ｓｈ型（以下、連
鋳鋳型という）に関するものである。[Detailed Description of the Invention] <Industrial Application Field> The present invention is directed to a Sh type for continuous casting (hereinafter referred to as a continuous casting mold) that can reduce the temperature difference between the surface of the copper plate on the side of the continuous Uf casting mold that comes into contact with molten steel. It is related to.
〈従来の技術〉
従来、連鋳鋳型の溶鋼と接する側の銅板とハックプレー
トとの結合は、第２図に示すように、銅板ｌのボルト収
納部８の内周面にメネジを設りておき、該メネジ番こ内
外両周面にそれぞれオネジおよびメネジを設けたリング
状のネジブツシュ３をねじ込んで固定し、バックプレー
ト２の外側よりボルト挿通孔９を通してボルト４を矛ジ
ブ・ンシュ３のメネジに締め込むことによって銅板１と
ハックプレート２とを結合するものであった。なお５は
冷却水を通ず冷却溝を示している。<Prior art> Conventionally, the copper plate on the side of the continuous casting mold that comes into contact with molten steel and the hack plate are connected by providing a female thread on the inner circumferential surface of the bolt housing portion 8 of the copper plate l, as shown in Fig. 2. Then screw in and fix the ring-shaped screw bushing 3, which has a male thread and a female thread on both the inner and outer circumferential surfaces of the female thread counter, and insert the bolt 4 through the bolt insertion hole 9 from the outside of the back plate 2. The copper plate 1 and the hack plate 2 were connected by tightening them. Note that 5 indicates a cooling groove through which cooling water does not flow.
またφ１１開昭６２−８９５５３号公報に開示されてい
るように溶鋼に接する銅板にポル１収納孔を設り、この
ポル１収納孔にスタッドボルトを固着して設立するとと
もに該スタッドボルトに対応する７１ｒルト挿通孔をバ
ックプレートに設り、このボルト挿通孔からバンクプレ
ーＩ・表面に突出するスタンドボルト頭部をナンドで締
め（（Ｊりるものが知られ−ζいる。In addition, as disclosed in φ11 Publication No. 62-89553, a pole 1 storage hole is provided in the copper plate in contact with molten steel, and a stud bolt is fixedly established in this pole 1 storage hole, and a hole corresponding to the stud bolt is installed. A 71r bolt insertion hole is provided in the back plate, and the head of the stand bolt that protrudes from this bolt insertion hole to the surface of the bank plate I is tightened with a screwdriver.
〈発明が解決しようとする課題〉
前記第２図に示ず連鋳鋳型においてはボルト４の先端と
ポル（・収納部Ｂとの間に空間７が形成され、この空間
７内の空気が伝熱抵抗となって銅板■の溶鋼と接する側
の表面温度がポル１４の部分で局部的に上昇し、全体と
して銅板Ｉに温度Ｊ、うが生じ、鋳片の縦割れの原因に
なるという問題があった。また特開昭６２−８９５５３
号公報に開示されζいるように銅板側からスタン１゛ポ
ルｌ〜を設立し、バンクプレートに銅板を固着するもの
が知られているが、このような連鋳鋳型では、スタ・ノ
ドボルト溶接部に応力集中が起こり、スタッドボルトが
取れてしまうという欠点があった。<Problems to be Solved by the Invention> In the continuous casting mold not shown in FIG. The problem is that the surface temperature of the side of the copper plate (I) that comes into contact with the molten steel increases locally at the port 14 due to thermal resistance, and a temperature rise occurs on the copper plate (I) as a whole, causing vertical cracking of the slab. There was also Japanese Patent Application Publication No. 62-89553.
As disclosed in the publication No. ζ, it is known that a stand 1 is established from the copper plate side and the copper plate is fixed to the bank plate, but in such a continuous casting mold, the star/nod bolt weld This had the disadvantage that stress concentration occurred in the process, causing the stud bolt to come off.
本発明は、前記従来技術の問題点を解消し、連鋳鋳型の
溶鋼と接する例の銅板の表面温度差を小さくできる連続
鋳造用鋳型を提供することを目的とするものである。SUMMARY OF THE INVENTION An object of the present invention is to solve the problems of the prior art described above and to provide a continuous casting mold that can reduce the difference in surface temperature of a copper plate in contact with molten steel in the continuous casting mold.
〈ｌｉ！ｌ！題を解決するための手段〉前記目的を達成
するための本発明は、溶鋼に接する銅板とその外側に重
ね合わせたバンクプレートとを、前ｉ８銅板に形成した
ポル１ル収納部に１）１■記バツクプレートの外側から
ポル１〜によって結合した連続鋳造用鋳型において、前
記銅板とバンクプレートを結合するボルトと該ボルト収
納部とのなず空間に低融点金属を充填したことを特徴と
するものである。<li! l! Means for Solving the Problems> The present invention for achieving the above object is as follows: (2) In the continuous casting mold connected from the outside of the back plate by ports 1 to 1, the space between the bolt that connects the copper plate and the bank plate and the bolt housing is filled with a low melting point metal. It is something.
く作用〉
ボルトとボルト収納部とのなす空間に充填した低融点金
属は連続鋳造中に銅板１が溶鋼によって加熱されるため
に溶融して該空間を埋め尽くし、空１７ｊｌ内に存在す
る空気による伝熱抵抗がなくなるので銅板１の溶鋼に接
する例の表面温度ムラが小さくなる。Effect> The low melting point metal filled in the space between the bolt and the bolt housing melts as the copper plate 1 is heated by the molten steel during continuous casting and fills the space, and the metal fills the space between the bolt and the bolt housing and melts due to the air present in the void 17jl. Since there is no heat transfer resistance, the surface temperature unevenness of the copper plate 1 in contact with molten steel is reduced.
なお、低融点金属の融点は充填時に溶融しては作業性が
悪いので常温以上であると共に充填部の温度が２００’
Ｃ程度であるがら２００’Ｃ以下のものを使用する必要
がある。Note that the melting point of the low melting point metal is not higher than room temperature and the temperature of the filling part is 200'
It is necessary to use a material with a temperature of around 200'C but below 200'C.
〈実施例〉 以下、本発明の実施例を図面に基いて説明する。<Example> Embodiments of the present invention will be described below with reference to the drawings.
第１図に示すように銅板１のボルト収納部８の内周面に
メネジを設けておき、該メネジに内外両面にそれぞれオ
ネジおよびメネジを設りたリング状のネジフ゛・ンシュ
３を取イ；Ｊジノ、ハンクブ１／−１・２の外側よりボ
ルト挿通孔９を通してボルト４をネジフ′ツシュ３のメ
ネジに締め込むことによっ゛て１同１反■とバックプレ
ート２との結合する構造は第２図に示す従来のものと同
しである。As shown in FIG. 1, a female thread is provided on the inner peripheral surface of the bolt storage portion 8 of the copper plate 1, and a ring-shaped screw fin 3 is attached to the female thread with a male thread and a female thread provided on both the inner and outer surfaces, respectively; The structure in which the back plate 2 and the back plate 2 are connected by tightening the bolt 4 into the female thread of the screw thread 3 through the bolt insertion hole 9 from the outside of the hank 1/-1/2 is completed. This is the same as the conventional one shown in FIG.
本発明の連鋳鋳型においては、ボルト４を締め込む前に
、銅板ｌのボルト収納部８に空間７に相当する形状に加
工した低融点金属６を挿入しておき、ボルト４を締め込
んで銅板Ｉとバックプレート２とを結合することによっ
て空間７に低融点金属６を充填する。In the continuous casting mold of the present invention, before tightening the bolts 4, a low melting point metal 6 processed into a shape corresponding to the space 7 is inserted into the bolt housing part 8 of the copper plate l, and the bolts 4 are tightened. By joining the copper plate I and the back plate 2, the space 7 is filled with a low melting point metal 6.
本発明の連鋳鋳型では銅板１のポル１ル収納部８とポル
ｉ ４とのなす空間７に低融点金属６を充填し゛ζ銅板
１とバックプレート２を結合しているから、連続鋳造中
に低融点金属６が溶融して空間７の部分の伝熱性を向上
するので銅板Ｉの溶鋼に接する例の表面温度ムラが低減
される。In the continuous casting mold of the present invention, the space 7 formed between the pole 1 storage part 8 of the copper plate 1 and the pole i 4 is filled with a low melting point metal 6, and the copper plate 1 and the back plate 2 are connected, so that during continuous casting. Since the low melting point metal 6 is melted and the heat conductivity of the space 7 is improved, unevenness in surface temperature of the copper plate I in contact with molten steel is reduced.
第３図は本発明の連鋳鋳型を用いて連続鋳造を行った場
合の銅板１の表面温度と、従来の連ｔＪｆ Ｇｈ型を用
いた場合の銅板１の表面／黒度との温度差へＵ＝（空間
ありの銅板表面温度）−（（ＩＬ融点金属充填の銅板表
面温度）、を示ず。Figure 3 shows the temperature difference between the surface temperature of the copper plate 1 when continuous casting is performed using the continuous casting mold of the present invention and the surface/blackness of the copper plate 1 when the conventional continuous casting mold is used. U = (surface temperature of copper plate with space) - ((surface temperature of copper plate filled with IL melting point metal), is not shown.
なお、低融点金属としては第１表に示す性状の鉛とビス
マスを主成分とする合金を使用した。As the low melting point metal, an alloy containing lead and bismuth as main components and having the properties shown in Table 1 was used.
同第３図から本発明によれば従来に比較してボルト４の
存在する銅板１近傍の温度ムラが空間７の伝熱抵抗がな
くなるため小さくなっていることがわかる。From FIG. 3, it can be seen that according to the present invention, the temperature unevenness in the vicinity of the copper plate 1 where the bolts 4 are present is reduced compared to the conventional method because the heat transfer resistance of the space 7 is eliminated.
〈発明の効果〉 本発明によれば、次のメリッ１−が得られる。<Effect of the invention> According to the present invention, the following advantages 1- can be obtained.
■ボルト・収納部での空間による鋳型の銅板表面温度の
」型外を抑えることができる。■It is possible to suppress the surface temperature of the copper plate of the mold due to the space in the bolt/storage area.
■既設設備で表面温度１、うの少ない連鋳鋳型を提供す
ることが可能である。■It is possible to provide a continuous casting mold with a surface temperature of 1 and less porosity using existing equipment.
【図面の簡単な説明】
第１図は本発明の実施例を示す断面図、第２図は従来例
を示す断面図、第３図は本発明による銅板の表面温度と
従来による銅板の表面温度との温度差Δｔ、を示ずグラ
フである。
■・・・銅板、 ２・・・バックプレート、
３・・・ネジブツシュ、 ４・・・ボルト、５・・・
水冷溝、 ６・・・低融点金属、７・・・空間
、 ８・・・ボルト収納部、９・・・ボルト
挿通孔。
特ｆｌ出願人
崎製鉄株式会社
弔
図
第
図[Brief Description of the Drawings] Fig. 1 is a sectional view showing an embodiment of the present invention, Fig. 2 is a sectional view showing a conventional example, and Fig. 3 is a surface temperature of a copper plate according to the present invention and a conventional copper plate. This is a graph that does not show the temperature difference Δt. ■...Copper plate, 2...Back plate,
3...Screw bush, 4...Bolt, 5...
Water cooling groove, 6...Low melting point metal, 7...Space, 8...Bolt storage area, 9...Bolt insertion hole. Special fl Applicant Jinsaki Steel Co., Ltd. Funeral Map Diagram
Claims (1)
レートとを、前記銅板に形成したボルト収納部に前記バ
ックプレートの外側からボルトによって結合した連続鋳
造用鋳型において、前記銅板とバックプレートを結合す
るボルトと該ボルト収納部とのなす空間に低融点金属を
充填したことを特徴とする連続鋳造用鋳型。A continuous casting mold in which a copper plate in contact with molten steel and a back plate superimposed on the outside thereof are connected to a bolt storage portion formed in the copper plate with bolts from the outside of the back plate, and bolts that connect the copper plate and the back plate. A mold for continuous casting, characterized in that a space formed between the bolt storage portion and the bolt storage portion is filled with a low melting point metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23708889A JPH0399754A (en) | 1989-09-14 | 1989-09-14 | Mold for continuous casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23708889A JPH0399754A (en) | 1989-09-14 | 1989-09-14 | Mold for continuous casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0399754A true JPH0399754A (en) | 1991-04-24 |
Family
ID=17010234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23708889A Pending JPH0399754A (en) | 1989-09-14 | 1989-09-14 | Mold for continuous casting |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0399754A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513691A (en) * | 1994-02-02 | 1996-05-07 | Sms Concast Inc. | Mold for continuous casting and method of making the mold |
-
1989
- 1989-09-14 JP JP23708889A patent/JPH0399754A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513691A (en) * | 1994-02-02 | 1996-05-07 | Sms Concast Inc. | Mold for continuous casting and method of making the mold |
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