JPH0438929Y2 - - Google Patents
Info
- Publication number
- JPH0438929Y2 JPH0438929Y2 JP1985068095U JP6809585U JPH0438929Y2 JP H0438929 Y2 JPH0438929 Y2 JP H0438929Y2 JP 1985068095 U JP1985068095 U JP 1985068095U JP 6809585 U JP6809585 U JP 6809585U JP H0438929 Y2 JPH0438929 Y2 JP H0438929Y2
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- plate
- mold body
- mold
- boss
- 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
Links
- 238000009749 continuous casting Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、モールド本体の熱膨脹をボルトの変
位によつて吸収させるようにした連続鋳造用モー
ルドに関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a continuous casting mold in which thermal expansion of the mold body is absorbed by displacement of bolts.
（従来の連続鋳造用モールド）
従来の連続鋳造用モールドを第２図（モールド
の外観図）及び第３図（第２図Ａ−Ａ断面図）に
基づいて説明すると、１はモールド本体、２はバ
ツクアツププレートであり、これらはモールド本
体１のボス部５でボルト４によつて締付け固定さ
れている。Ｍが溶湯で、冷却水Ｗはモールド本体
１の仕切板３間を循環している。(Conventional Continuous Casting Mold) A conventional continuous casting mold will be explained based on FIG. 2 (external view of the mold) and FIG. 3 (sectional view taken along line A-A in FIG. 2). denotes a back-up plate, which is secured to the boss portion 5 of the mold body 1 by tightening bolts 4. M is a molten metal, and cooling water W is circulating between partition plates 3 of the mold body 1.
（従来の上記モールドの欠点）
このような構造を有するモールドに於いて、ボ
スの付根Ａ部で折損事故が生じていた。原因は、
モールド本体１とバツクアツププレート２とのボ
ルト４の軸芯方向と直角方向の熱膨脹量の違い
が、ボルト４による締付け部で拘束された為、過
大な拘束曲げモーメント及び剪断力による応力が
発生して折損に至つたものと推定された。尚、モ
ールド本体１の肉厚は仕切板のある部分（t1）と
ない部分（t2）及びボス部５（t3）で相当差があ
り、肉厚方向で温度差が生じ易く、熱膨脹の拘束
力も大きい構造となつている。すなわち、熱応力
が発生し易く、その応力は、仕切板３及びボス部
５のコーナーに集中し易い構造であり、上記折損
事故の１要因となつている。(Disadvantages of the above-mentioned conventional mold) In a mold having such a structure, a breakage accident occurred at the base A of the boss. The cause is
The difference in the amount of thermal expansion between the mold body 1 and the back-up plate 2 in the axial and perpendicular directions of the bolt 4 was restrained by the tightening portion of the bolt 4, resulting in excessive restraint bending moment and stress due to shear force. It is presumed that this led to the breakage. It should be noted that the wall thickness of the mold body 1 is considerably different between the part with the partition plate (t 1 ) and the part without the partition plate (t 2 ) and the boss part 5 (t 3 ), and temperature differences tend to occur in the thickness direction, resulting in thermal expansion. The structure also has a large restraining force. That is, the structure is such that thermal stress is likely to occur, and the stress is likely to be concentrated at the corners of the partition plate 3 and the boss portion 5, which is one of the causes of the breakage accident described above.
（本考案の目的）
本考案は、従来の上記モールドにおける欠点を
解消する連続鋳造用モールドを提供することを目
的とし、ボスの付根部での折損事故防止対策をこ
うじた連続鋳造用モールドを提供することを目的
とする。(Purpose of the present invention) The purpose of the present invention is to provide a continuous casting mold that eliminates the drawbacks of the above-mentioned conventional molds, and provides a continuous casting mold that takes measures to prevent breakage accidents at the base of the boss. The purpose is to
（本考案の構成）
そして、本考案は、上記目的を達成する手段と
して、モールド本体とバツクアツププレートとの
締付部で、ボルトの直径を細く、かつ長さを長く
して、モールド本体の熱膨脹をボルトの変位によ
つて吸収させるようにした点にある。すなわち、
本考案は、水冷面を平板状としたモールド本体
と、仕切りを突出させたバツクアツププレートと
により冷却水路を形成し、該冷却水路に面するモ
ールド本体の中心部にボルトの一端を固定し、該
ボルトを上記バツクアツププレートの背面に引き
出すためにボルト径より大きなボルト穴を該バツ
クアツププレートに貫通し、該ボルト穴に連通す
る穴を有するボスを上記バツクアツププレートの
背面に立設し、該ボスから突出するボルトの後端
をナツトで水密に締めつけることにより、上記モ
ールド本体と上記バツクアツププレートとを一体
化したことを特徴とする連続鋳造用モールドであ
る。(Structure of the present invention) As a means to achieve the above object, the present invention reduces the diameter and length of the bolt at the tightening part between the mold body and the back-up plate. The point is that thermal expansion is absorbed by the displacement of the bolt. That is,
In the present invention, a cooling channel is formed by a mold body with a flat water cooling surface and a backup plate with a protruding partition, and one end of a bolt is fixed to the center of the mold body facing the cooling channel. A bolt hole larger than the diameter of the bolt is passed through the back up plate in order to pull out the bolt to the back side of the back up plate, and a boss having a hole communicating with the bolt hole is erected on the back side of the back up plate, This mold for continuous casting is characterized in that the mold body and the backup plate are integrated by tightening the rear ends of bolts protruding from the boss watertight with nuts.
以下、本考案を第１図に基づいて詳細に説明す
る。第１図は本考案の実施例である連続鋳造用モ
ールドの断面図である。１はモールド本体、２は
バツクアツププレート、３は水路仕切板である。
モールド本体１とバツクアツププレート２とは複
数個のボルト４によつて締付固定するが、ボルト
４の片側ａはモールド本体１に加工されたネジ穴
ｂにネジ込む（溶接でも良い）。ボルト４の軸部
の長さｌは可能な限り十分に長くし、直径Ｄも可
能な限り十分に細くしてある。（例えば、ｌ／Ｄ
＝15）このボルト４のバツクアツププレート２側
端部もネジ加工ｃとし、バツクアツププレート２
にネジｄによつて組込んでいるボス５にｏリング
６を介してナツト７で締付け固定する。 Hereinafter, the present invention will be explained in detail based on FIG. FIG. 1 is a sectional view of a continuous casting mold according to an embodiment of the present invention. 1 is a mold body, 2 is a backup plate, and 3 is a waterway partition plate.
The mold body 1 and the back-up plate 2 are tightened and fixed by a plurality of bolts 4, and one side a of the bolts 4 is screwed into a screw hole b machined in the mold body 1 (welding may also be used). The length l of the shaft portion of the bolt 4 is made as long as possible, and the diameter D is made as thin as possible. (For example, l/D
=15) The end of this bolt 4 on the back-up plate 2 side is also threaded c, and the back-up plate 2
Tighten and fix with a nut 7 via an O-ring 6 to the boss 5 which is assembled with a screw d.
モールド本体１は、ボルト部ｂを除いて、平坦
な構造とし、肉厚も可能な限り薄肉としている。
又、水路の仕切板３はバツクアツププレート２側
に設けてある。 The mold body 1 has a flat structure except for the bolt part b, and the wall thickness is made as thin as possible.
Further, the waterway partition plate 3 is provided on the backup plate 2 side.
上記連続鋳造用モールドの作用効果を説明する
と、ボルト４の軸部を可能な限り長くし、直径も
可能な限り細くしたことによつて、モールド本体
１の熱膨脹はボルト軸部の変位によつて吸収され
る。 To explain the effects of the continuous casting mold described above, by making the shaft of the bolt 4 as long as possible and making the diameter as thin as possible, the thermal expansion of the mold body 1 is caused by the displacement of the bolt shaft. Absorbed.
一方、モールド本体１は従来構造の如き、肉厚
変動部がなく（ボルト部は除く）、平坦であるの
で、モールド本体１内での温度差が少なく、かつ
拘束力も小さい。従つて、拘束曲げモーメント及
び剪断力は殆ど発生せず、ボルト締付け部に於け
る折損事故もなくなり、強度信頼性を著しく向上
できた。尚、モールド本体１には、従来構造の如
き、仕切板３やボス５等はなく、単純構造として
いる為、モールド本体１の製作費用は従来構造に
比べると著しく安価である。すなわち、モールド
本体１では、上記の如き折損事故以外、例えば溶
湯Ｍ側の溶損事故等が生ずることもあるが、この
際のモールド本体の交換費用は従来より著しく安
価である。 On the other hand, unlike the conventional structure, the mold body 1 does not have a wall thickness varying part (excluding the bolt part) and is flat, so the temperature difference within the mold body 1 is small and the restraining force is also small. Therefore, almost no restraint bending moment or shearing force is generated, there is no breakage accident at the bolt tightening part, and the strength and reliability can be significantly improved. Note that the mold body 1 does not have the partition plate 3, boss 5, etc. as in the conventional structure, and has a simple structure, so the manufacturing cost of the mold body 1 is significantly lower than that of the conventional structure. That is, in the mold body 1, other than the breakage accident as described above, for example, an accident of melting of the molten metal M may occur, but the cost of replacing the mold body in this case is significantly lower than in the past.
（本考案の効果）
本考案は、以上詳記したように、モールド本体
とバツクアツププレートとの締付け固定部に、軸
長を可能な限り長い、しかも、軸径を可能な限り
細いボルトを使用するものであるから、モールド
本体の熱膨脹をこのボルトの変位によつて吸収す
ることができ、ボルト締付け部における折損事故
の発生を防止できる効果が生ずる。(Effects of the present invention) As detailed above, the present invention uses bolts with the longest possible shaft length and the smallest possible shaft diameter for the tightening and fixing part between the mold body and the backup plate. Therefore, the thermal expansion of the mold body can be absorbed by the displacement of the bolt, which has the effect of preventing breakage accidents at the bolt tightening portion.
第１図は本考案の実施例である連続鋳造用モー
ルドの断面図である。第２図は従来の連続鋳造用
モールドの外観図であり、第３図は第２図Ａ−Ａ
断面図である。
１……モールド本体、２……バツクアツププレ
ート、３……仕切板、４……ボルト、５……ボス
部、６……ｏリング、７……ナツト。
FIG. 1 is a sectional view of a continuous casting mold according to an embodiment of the present invention. Fig. 2 is an external view of a conventional continuous casting mold, and Fig. 3 is Fig. 2 A-A.
FIG. 1... Mold body, 2... Backup plate, 3... Partition plate, 4... Bolt, 5... Boss portion, 6... O-ring, 7... Nut.
Claims (1)
を突出させたバツクアツププレートとにより冷却
水路を形成し、該冷却水路に面するモールド本体
の中心部にボルトの一端を固定し、該ボルトを上
記バツクアツププレートの背面に引き出すために
ボルト径より大きなボルト穴を該バツクアツププ
レートに貫通し、該ボルト穴に連通する穴を有す
るボスを上記バツクアツププレートの背面に立設
し、該ボスから突出するボルトの後端をナツトで
水密に締めつけることにより、上記モールド本体
と上記バツクアツププレートとを一体化したこと
を特徴とする連続鋳造用モールド。 A cooling channel is formed by a mold body with a flat water cooling surface and a back-up plate with a protruding partition, one end of a bolt is fixed to the center of the mold body facing the cooling channel, and the bolt is A bolt hole larger than the diameter of the bolt passes through the back up plate in order to be pulled out to the back of the back up plate, and a boss having a hole communicating with the bolt hole is erected on the back of the back up plate and protrudes from the boss. A mold for continuous casting, characterized in that the mold body and the back-up plate are integrated by watertightly tightening the rear end of a bolt with a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985068095U JPH0438929Y2 (en) | 1985-05-10 | 1985-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985068095U JPH0438929Y2 (en) | 1985-05-10 | 1985-05-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61185543U JPS61185543U (en) | 1986-11-19 |
| JPH0438929Y2 true JPH0438929Y2 (en) | 1992-09-11 |
Family
ID=30602530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985068095U Expired JPH0438929Y2 (en) | 1985-05-10 | 1985-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438929Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2014393B1 (en) * | 2007-06-04 | 2012-04-11 | Concast Ag | Mould for strand casting of blooms, cogged blooms or billets |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6027573Y2 (en) * | 1981-10-29 | 1985-08-20 | 株式会社神戸製鋼所 | Continuous casting mold |
-
1985
- 1985-05-10 JP JP1985068095U patent/JPH0438929Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61185543U (en) | 1986-11-19 |
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