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JPH0360813A - Warm rolling equipment - Google Patents

Warm rolling equipment

Info

Publication number
JPH0360813A
JPH0360813A JP19670089A JP19670089A JPH0360813A JP H0360813 A JPH0360813 A JP H0360813A JP 19670089 A JP19670089 A JP 19670089A JP 19670089 A JP19670089 A JP 19670089A JP H0360813 A JPH0360813 A JP H0360813A
Authority
JP
Japan
Prior art keywords
coil
induction heating
heating device
inlet side
heating
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
Application number
JP19670089A
Other languages
Japanese (ja)
Inventor
Keiichi Miyokawa
三世川　慶一
Shiyouji Kagoo
籠生　将二
Kazumi Jiroumaru
治郎丸　和三
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP19670089A priority Critical patent/JPH0360813A/en
Publication of JPH0360813A publication Critical patent/JPH0360813A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/004—Heating the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

PURPOSE:To uniformly heat a coil of strip in a short time by providing a coil heating device with an induction heating coil body on the inlet side of a line. CONSTITUTION:A rolling line consists of a feed conveyer 2 for the inlet side, coil car 3 for the inlet side, pay off reel 4, a group 5 of rolling stands and tension reel 6. On the inlet side of such a rolling line, i.e., the inlet side of the feed conveyer 2 for the inlet side, the heating device 1 with the induction heating coil body is provided. The coil heating device consists of a heat insulating room, coil supporting rack which is possible to be put in and out that room and the lateral ring-like coil body for induction heating which provided in the heat insulating room. By this way, handling can be facilitated when the coil of strip is fed from the heating device to the rolling line.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は高Ｓｉ［磁鋼板等の難加工材の圧延に好適な温
間圧延設備に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to warm rolling equipment suitable for rolling high-Si [hard-to-process materials such as magnetic steel plates].

〔従来の技術およびその解決すべき課題〕高Ｓｉ電磁鋼
板は、常温での加工性が悪く、冷間圧延しようとすると
、延性不足により容易に破断してしまう。このため、こ
の種の材料は温間状態（１００’Ｃ前後）に加熱した後
、圧延する必要がある。[Prior Art and Problems to be Solved] High-Si electrical steel sheets have poor workability at room temperature, and when cold rolling is attempted, they easily break due to lack of ductility. Therefore, this type of material needs to be heated to a warm state (around 100'C) and then rolled.

鋼板を加熱する方法としては、鋼板をコイル化し、これ
を焼鈍炉に装入して加熱する方法が最も一般的であるが
、この焼鈍方式には、次のような難点がある。The most common method for heating a steel plate is to coil the steel plate, charge it into an annealing furnace, and heat it. However, this annealing method has the following drawbacks.

■コイルを内部まで均一に加熱するためには長時間を要
する。■It takes a long time to heat the coil evenly to the inside.

■焼鈍炉と圧延ライン間でコイルを移動させる必要があ
り、コイルのハンドリングに手間がかかる。■It is necessary to move the coil between the annealing furnace and the rolling line, which takes time and effort to handle.

■設備が大掛りであり、また運転に大きなエネルギーが
必要であり、ランニングコス１〜がかかる。■The equipment is large-scale and requires a large amount of energy to operate, resulting in a running cost of 1~.

■コイルの炉に対する出入れの際のハンドリングが煩雑
である。■Handling the coil when taking it in and out of the furnace is complicated.

■火を使うため、火災等の危険がある。■Since fire is used, there is a risk of fire.

本発明は、このような問題を生じることなく被圧延材を
加熱し、これを温間圧延することができる圧延設備を提
供しようとするものである。The present invention aims to provide rolling equipment that can heat a material to be rolled and warm-roll it without causing such problems.

〔課題を解決すべき手段〕[Means to solve the problem]

このため本発明は、ライン入側に誘導加熱コイル体を備
えたコイル加熱装置を設けたことをその特徴とする。Therefore, the present invention is characterized in that a coil heating device equipped with an induction heating coil body is provided on the line entry side.

前記コイル加熱装置の好ましい構造は以下の通りである
。すなわち、その構造は、保温室と、該保温室に出し入
れ可能なコイル支持台と、保温室内に設けられる横向き
リング状の誘導加熱コイル体とからなり、該誘導加熱コ
イル体は、その下端部が所定幅に亘って開放し、該開放
部に、前記コイル支持台のコイル支持部が進入し得るよ
うに構成したものである。A preferred structure of the coil heating device is as follows. That is, its structure consists of an insulating room, a coil support stand that can be taken in and out of the insulating room, and a horizontal ring-shaped induction heating coil body provided in the insulating room, and the lower end of the induction heating coil body is It is configured to be open over a predetermined width so that the coil support portion of the coil support stand can enter into the open portion.

〔作　　用〕[For production]

本発明で用いられる誘導加熱方式のコイル加熱装置は、
焼鈍炉に較べ設備が小規模であり、このため圧延ライン
の入側（装入コンベア等の入側）に近接した状態で設置
することができる。The induction heating type coil heating device used in the present invention is as follows:
The equipment is smaller than that of an annealing furnace, and therefore it can be installed close to the entrance side of the rolling line (the entrance side of a charging conveyor, etc.).

被圧延材たるストリップコイルは、圧延ライン入側のコ
イル加熱装置に装入され、その誘導加熱コイル体により
低周波誘導加熱され、これにより短時間で１００　’Ｃ
前後まで昇温する。そして、このように加熱されたコイ
ルは装入コンベア等のコイル搬送手段に移され、圧延ラ
インに装入される。The strip coil, which is the material to be rolled, is loaded into a coil heating device at the entrance of the rolling line, and is heated by low-frequency induction heating by the induction heating coil body, thereby heating it to 100'C in a short time.
Raise the temperature to around. Then, the heated coil is transferred to a coil conveying means such as a charging conveyor and charged into a rolling line.

誘導加熱コイルの加熱周波数は、通常商用周波数〜１０
にＨｚ程度であり、周波数が低い程、コイル内部まで均
一な加熱が可能となる。The heating frequency of induction heating coils is usually commercial frequency ~ 10
The lower the frequency, the more uniform the heating can be to the inside of the coil.

コイル加熱装置が保温室、コイル支持台および横向きリ
ング状の誘導加熱コイル体から構成された構造の場合シ
こは、ストリップコイルをコイル支持台に横置きした状
態で、コイル支持台を保温室内に移動させ、ストリップ
コイルを横向きリング状の誘導加熱コイル体の内側に位
置させる。誘導加熱コイル体はその下端が開放された構
造であり、保温室内に移動するコイル支持台のコイル支
持部は、前記誘導加熱コイル体の下端開放部内に進入し
、これによってストリップコイルは誘導加熱コイル体内
に位置することができる。コイルの加熱完了後、コイル
支持台がストリップコイルを載せたまま保温室外に引き
出され、ストリップコイルは圧延ラインに装入される。If the coil heating device has a structure consisting of an incubation room, a coil support stand, and a horizontal ring-shaped induction heating coil body, the coil support stand should be placed inside the incubation room with the strip coil placed horizontally on the coil support stand. The strip coil is moved to position the strip coil inside the horizontal ring-shaped induction heating coil body. The induction heating coil body has a structure in which its lower end is open, and the coil support part of the coil support stand that moves into the incubation room enters into the lower end open part of the induction heating coil body, thereby turning the strip coil into an induction heating coil. Can be located inside the body. After the heating of the coil is completed, the coil support stand is pulled out of the insulating chamber with the strip coil placed thereon, and the strip coil is loaded into the rolling line.

〔実　施　例〕〔Example〕

第１図ないし第３図は、本発明を電ａ鋼板の圧延ライン
に適用した場合の一実施例を示している。1 to 3 show an embodiment in which the present invention is applied to a rolling line for electric steel sheets.

第１図は、圧延ラインレイアウトを示すもので、２は入
側装入コンベア、３は入側コイルカー、４はペイオフリ
ール、５は圧延スタンド群５６はテンションリールであ
り、このような圧延ラインの入側、すなわち、入側装入
コンベア２の入側に、誘導加熱コイル体を備えたコイル
加熱装置１が設けられている。Fig. 1 shows the rolling line layout, where 2 is an inlet charging conveyor, 3 is an inlet coil car, 4 is a payoff reel, and 5 is a rolling stand group 56 is a tension reel. A coil heating device 1 including an induction heating coil body is provided on the entry side, that is, on the entry side of the entry side charging conveyor 2 .

第２図および第３図は、コイル加熱装置１の構造を示す
もので、装置は、保温室７（保温カバー）と、該保温室
に対して出し入れ可能なコイル支持台８と、保温室内に
設けられる誘導加熱コイル体９とから構成されている。FIG. 2 and FIG. 3 show the structure of the coil heating device 1. The device consists of an insulating chamber 7 (thermal cover), a coil support stand 8 that can be taken out and put into the insulating chamber, and a It is composed of an induction heating coil body 9 provided.

前記保温室７は、コイル支持台８がスライド移動すべき
スライドベース１０の一端側に設けられ、その前面に出
入ロア１が設けられている。The insulating room 7 is provided at one end of a slide base 10 on which the coil support stand 8 is to be slid, and the entry/exit lower 1 is provided in front of the slide base 10 .

前記コイル支持台８は、コイル支持部たる■対のクレー
ドルロール１１を有している。このクレードルロール１
１は、ストリップコイルを支持するだけでなく、誘導加
熱コイル体９内でストリップコイルを回転させることに
より、コイルを周方向で均一に加熱するためのもので、
回転用の原動機構を有している。The coil support stand 8 has a pair of cradle rolls 11 that serve as coil support portions. This cradle roll 1
1 not only supports the strip coil but also rotates the strip coil within the induction heating coil body 9 to uniformly heat the coil in the circumferential direction.
It has a driving mechanism for rotation.

このようなコイル支持台８は前記スライドベース１０上
にスライド可能に配置され、保温室７に対し出し入れ可
能となっている。なお、１２は油圧シリンダ等により構
成されるコイル支持台移動用の卵動機構である。Such a coil support stand 8 is slidably arranged on the slide base 10 and can be taken in and out of the insulating chamber 7. In addition, 12 is an egg movement mechanism for moving the coil support table, which is constituted by a hydraulic cylinder or the like.

前記誘導加熱コイル体９は、横向きリング状のコイル体
であり、保温室７内にその筒芯が出入ロア１方向を向く
よう配置されている。The induction heating coil body 9 is a horizontal ring-shaped coil body, and is arranged in the insulating chamber 7 so that its cylindrical core faces toward the entrance/exit lower 1 direction.

コイル体の下端部は、所定幅に亘って開放９１しており
、この開放部９１にコイル支持部たる前記クレードルロ
ール１１が進入できるようになっている。The lower end of the coil body is open 91 over a predetermined width, and the cradle roll 11, which is a coil support section, can enter into this open section 91.

以上のような装置では、第２図および第３図に示すよう
に、コイル支持台８を保温室９から引き出した状態で、
ｌ対のクレードルロール１１上にスｌ、リップコイルＡ
を載せ、翻動機構１２によりコイル支持台８を保温室７
内にスライド移動させる。第３図に示すようにクレード
ルロール１１は誘導加熱コイル体９の開放部９１内に進
入し、これによりストリップコイルＡはリング状の誘導
加熱コイル体９内に位置することができる。In the above-described apparatus, as shown in FIGS. 2 and 3, with the coil support stand 8 pulled out from the insulating chamber 9,
Sl and lip coil A are placed on the pair of cradle rolls 11.
is placed on the coil support stand 8 by the rolling mechanism 12.
Slide it inside. As shown in FIG. 3, the cradle roll 11 enters into the opening 91 of the induction heating coil body 9, so that the strip coil A can be positioned within the ring-shaped induction heating coil body 9.

この状態で誘導加熱コイル体９による加熱が行われるが
、この加熱中、クレードルロール１１を回転することに
よりストリップコイルＡを誘導加熱コイル体内で回転さ
せ、コイルを周方向で均一加熱する。In this state, heating is performed by the induction heating coil body 9. During this heating, the strip coil A is rotated within the induction heating coil body by rotating the cradle roll 11, and the coil is heated uniformly in the circumferential direction.

装置の出力およびコイル径等によって異なるが、ストリ
ップコイルＡは略１５〜１２０分程度（均一加熱の面か
らは６０分以上が好ましい）で１００℃以上に加熱され
た状態となる。コイルの温度は、例えば第３図に示すよ
うにコイル内周部に配された温度計により測定され、こ
の測定温度が設定温度に達した時点で加熱を完了する。The strip coil A is heated to 100° C. or higher in about 15 to 120 minutes (preferably 60 minutes or more in terms of uniform heating), although this varies depending on the output of the device and the coil diameter. The temperature of the coil is measured, for example, by a thermometer placed on the inner periphery of the coil as shown in FIG. 3, and heating is completed when the measured temperature reaches a set temperature.

加熱完了後、コイル支持台８が保温室７から引き出され
、ストリップコイルＡはクレーン等で吊り上げられ、そ
のまま入側装入コンベア２に移され、通常の手順にした
がって温間圧延される。After heating is completed, the coil support stand 8 is pulled out from the insulating room 7, and the strip coil A is lifted up by a crane or the like, transferred as it is to the entry side charging conveyor 2, and warm rolled according to the usual procedure.

なお１以上の実施例はストリップコイル全体を加熱する
装置であるが１例えば、コイルの板端部のみを加熱でき
るような構造としてもよく、この場合には、誘導加熱コ
イル体をコイル板端部に対向する位置にのみ設ける構造
、或いはコイル体をストリップコイルの幅方向で複数に
分割し、必要に応じてコイル板端部のみを加熱し得るよ
うな構造とする。Although one or more of the embodiments is a device that heats the entire strip coil, for example, the structure may be such that it can heat only the plate end of the coil. In this case, the induction heating coil body may be heated only at the coil plate end. Alternatively, the coil body may be divided into a plurality of parts in the width direction of the strip coil so that only the ends of the coil plate can be heated as necessary.

〔発明の効果〕〔Effect of the invention〕

以上述べた本発明によれば１次のような利点がある。 According to the present invention described above, there are first-order advantages.

■ストリップコイルを短時間で均一に加熱することがで
きる。■A strip coil can be heated evenly in a short time.

■コイル加熱装置を圧延ラインの入側に設けるため、ス
トリップコイルを加熱装置から圧延ラインに装入する際
のハンドリングが極めて容易である。(2) Since the coil heating device is provided on the entry side of the rolling line, handling when loading the strip coil from the heating device into the rolling line is extremely easy.

■焼鈍炉に較べ加熱装置の構造が小規模であり。■The structure of the heating device is smaller than that of an annealing furnace.

また、少ないエネルギーと低ランニングコストで運転す
ることができる。It can also be operated with less energy and lower running costs.

■ストリップコイルの加熱装置に対する出し入れを、コ
イル支持台を移動させることだけで行うことができ、コ
イル出し入れのハンドリングが非常に容易である。■The strip coil can be taken in and out of the heating device simply by moving the coil support base, making it very easy to handle the coil in and out.

■焼鈍炉のように直接火を使わないため、火災等の心配
がなく、安全である。■Unlike an annealing furnace, it does not use direct fire, so it is safe and there is no need to worry about fires.

■誘導加熱装置は材料加熱温度の設定、変更が簡単であ
り、材料に応じた加熱温度を容易に選択することができ
る。■The induction heating device allows for easy setting and changing of the material heating temperature, making it possible to easily select the heating temperature according to the material.

【図面の簡単な説明】 図面は本発明の一実施例を示すもので、第１図は圧延ラ
インレイアウトを示す説明図、第２図はコイル加熱装置
およびその使用状況を示す縦断面図、第３図は第２図中
ｍ−ｍ線に沿う断面図である。 図において、１はコイル加熱装置、２は入側装入コンベ
ア、３は入側コイルカー、４はペイオフリール、５は圧
延スタンド群、６はテンションリール、７は保温室、８
はコイル支持台、９は誘導加熱コイル体、１０はスライ
ドベース、１１はクレードルロール、１２は旋動機構、
７１は出入口、９１は開放部である。[BRIEF DESCRIPTION OF THE DRAWINGS] The drawings show one embodiment of the present invention, and FIG. 1 is an explanatory diagram showing a rolling line layout, FIG. 2 is a longitudinal sectional view showing a coil heating device and its usage situation, and FIG. FIG. 3 is a sectional view taken along line mm in FIG. 2. In the figure, 1 is a coil heating device, 2 is an inlet charging conveyor, 3 is an inlet coil car, 4 is a payoff reel, 5 is a group of rolling stands, 6 is a tension reel, 7 is a heating room, 8
9 is a coil support base, 9 is an induction heating coil body, 10 is a slide base, 11 is a cradle roll, 12 is a rotating mechanism,
71 is an entrance and exit, and 91 is an opening.

Claims (2)

【特許請求の範囲】[Claims] （１）ラインの入側に誘導加熱コイル体を備えたコイル
加熱装置を設けてなる温間圧延装置。(1) A warm rolling device equipped with a coil heating device equipped with an induction heating coil body on the inlet side of the line. （２）コイル加熱装置が、保温室と、該保温室に出し入
れ可能なコイル支持台と、保温室内に設けられる横向き
リング状の誘導加熱コイル体とからなり、該誘導加熱コ
イル体は、その下端部が所定幅に亘って開放し、該開放
部に、前記コイル支持台のコイル支持部が進入し得るよ
う構成してなる特許請求の範囲（１）記載の温間圧延設
備。(2) The coil heating device consists of an incubation room, a coil support stand that can be put in and taken out of the incubation room, and a horizontal ring-shaped induction heating coil body provided in the incubation room, and the induction heating coil body has a lower end. The warm rolling equipment according to claim 1, wherein the portion is opened over a predetermined width, and the coil support portion of the coil support stand can enter into the open portion.
JP19670089A 1989-07-31 1989-07-31 Warm rolling equipment Pending JPH0360813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19670089A JPH0360813A (en) 1989-07-31 1989-07-31 Warm rolling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19670089A JPH0360813A (en) 1989-07-31 1989-07-31 Warm rolling equipment

Publications (1)

Publication Number Publication Date
JPH0360813A true JPH0360813A (en) 1991-03-15

Family

ID=16362134

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19670089A Pending JPH0360813A (en) 1989-07-31 1989-07-31 Warm rolling equipment

Country Status (1)

Country Link
JP (1) JPH0360813A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05237534A (en) * 1992-02-26 1993-09-17 Mitsubishi Electric Corp Heating and rolling mill
DE102010047938A1 (en) 2009-10-08 2011-07-07 Mitsubishi-Hitachi Metals Machinery, Inc. Cold rolling mill for a magnetic steel strip and cold rolling process for it

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05237534A (en) * 1992-02-26 1993-09-17 Mitsubishi Electric Corp Heating and rolling mill
DE102010047938A1 (en) 2009-10-08 2011-07-07 Mitsubishi-Hitachi Metals Machinery, Inc. Cold rolling mill for a magnetic steel strip and cold rolling process for it
DE102010047938B4 (en) 2009-10-08 2019-08-14 Primetals Technologies Japan, Ltd. 08. cold rolling mill for a magnetic steel strip and cold rolling process for it

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