JPH09262648A - Coiling method for metallic strip - Google Patents

Coiling method for metallic strip

Info

Publication number
JPH09262648A
JPH09262648A JP7425996A JP7425996A JPH09262648A JP H09262648 A JPH09262648 A JP H09262648A JP 7425996 A JP7425996 A JP 7425996A JP 7425996 A JP7425996 A JP 7425996A JP H09262648 A JPH09262648 A JP H09262648A
Authority
JP
Japan
Prior art keywords
belt
ribbon
suction
conveyor
tension
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.)
Granted
Application number
JP7425996A
Other languages
Japanese (ja)
Other versions
JP3336188B2 (en
Inventor
Kazuyuki Kato
一之 加藤
Toshitane Matsukawa
敏胤 松川
Haruhiko Ishizuka
晴彦 石塚
Toru Sato
徹 佐藤
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 Steel Corp
Original Assignee
Kawasaki Steel Corp
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 Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP07425996A priority Critical patent/JP3336188B2/en
Publication of JPH09262648A publication Critical patent/JPH09262648A/en
Application granted granted Critical
Publication of JP3336188B2 publication Critical patent/JP3336188B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To coil the thin strip in an excellent condition free from any surface flaws by reducing the tension to be given to the thin metal strip by a conveyor using a suction conveyor in which the surface of a belt is coated with the fluoride resin to prevent the breakage due to the excessive tension in advance. SOLUTION: A belt 11 of a conveyor to be circulated at the position close to a suction box 10 performs suction by a suction blower 12 to suck a thin strip 4 on the belt 11 through a suction plate 9 of the suction blower 12 and the belt 11. By coating the fluoride resin such as Teflon, the friction force to be generated between the thin strip 4 and the belt 11 is reduced, and the tension to be given to the thin strip 4 to be carried by the belt 11 is also reduced. Thus, the breakage due to the excessive tension can be prevented in advance.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】この発明は、冷却ロールを用
いた急冷プロセスによる金属薄帯の製造において、特に
冷却ロールから金属薄帯を剥離、そして巻取リールまで
搬送して巻取る際に金属薄帯の損傷を回避しようとする
ものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the production of a metal ribbon by a quenching process using a cooling roll, particularly when the metal ribbon is peeled off from the cooling roll and then conveyed to a winding reel and wound. It is intended to avoid damage to the belt.

【0002】近年、冷却ロールを用いた急冷プロセスに
よる金属薄帯の製造に関する開発が進められているが、
その工業化に当たっては、急冷凝固した金属薄帯(以
下、薄帯と示す)を冷却ロールから剥離し、次いで巻取
リールまで搬送して該リールへコイル状に巻取る際に、
薄帯に与える張力が過多になると薄帯が破断するため、
薄帯に適正な張力を付与することが肝要である。
[0002] In recent years, the development of the production of a metal ribbon by a quenching process using a cooling roll has been advanced.
In its industrialization, when a rapidly solidified metal ribbon (hereinafter referred to as a ribbon) is peeled from a cooling roll and then conveyed to a winding reel and wound into a coil on the reel,
If the tension applied to the ribbon is excessive, the ribbon will break, so
It is essential to give proper tension to the ribbon.

【0003】[0003]

【従来の技術】薄帯に張力を付与しながら、巻取リール
まで搬送する装置として、特開平6−182508号公報に
は、通気性のあるコンベヤーのベルトを2本または3本
以上のプーリで保持して回転させ、コンベヤーの内部に
設けた吸引箱よりコンベヤーベルトを介して空気を吸引
する、吸引式コンベヤーが開示されている。この吸引式
コンベヤーのベルトを、冷却ロールから剥離した直後の
薄帯速度、つまり製板速度よりも高速で作動することに
よって、ベルトと薄帯との間に発生する摩擦力により薄
帯に張力を付与しながらの搬送を実現している。
2. Description of the Related Art As a device for conveying a ribbon to a take-up reel while applying a tension to the ribbon, Japanese Patent Laid-Open No. 6-182508 discloses a belt of a breathable conveyor with two or more pulleys. There is disclosed a suction type conveyor which holds and rotates and sucks air through a conveyor belt from a suction box provided inside the conveyor. By operating the belt of this suction type conveyor at a ribbon speed immediately after peeling from the cooling roll, that is, at a speed higher than the plate-making speed, a tension is applied to the ribbon by the frictional force generated between the belt and the ribbon. It realizes transport while giving.

【0004】この吸引式コンベアのベルトには、高速回
転にも耐えられる、製紙業界等で使用されているナイロ
ン製メッシュベルト、あるいはタイミングベルト等に使
用されているステンレス製メッシュベルトを用いるのが
一般的である。
As the belt of this suction type conveyor, it is common to use a nylon mesh belt used in the paper manufacturing industry or the like, or a stainless mesh belt used for a timing belt, which can withstand high speed rotation. Target.

【0005】[0005]

【発明が解決しようとする課題】ところで、製紙業界等
では、紙の搬送を司るナイロン製メッシュベルトを、ベ
ルト表面に常時水が流れた湿式にて使用するため、摩擦
係数は非常に小さくなる結果、紙に働く張力が過多にな
ることなく搬送を行うことができる。しかしながら、薄
帯の搬送は乾式で、しかもベルト温度が100 ℃程度にま
で上昇するため、耐熱性の低いナイロン製ベルトでは、
薄帯とベルトが溶着に近い状態になることから、摩擦係
数は大きくなり、薄帯に働く張力が過多となり易く、そ
の結果、薄帯が破断することが多い。
By the way, in the paper manufacturing industry and the like, a nylon mesh belt that controls the conveyance of paper is used in a wet type in which water constantly flows on the belt surface, so that the friction coefficient becomes very small. Therefore, it is possible to carry the paper without excessive tension applied to the paper. However, since the ribbon is conveyed by a dry method and the belt temperature rises to about 100 ° C, nylon belts with low heat resistance
Since the ribbon and the belt are in a state close to welding, the friction coefficient becomes large, and the tension acting on the ribbon tends to be excessive, and as a result, the ribbon often breaks.

【0006】一方、ステンレス製メッシュベルトは、乾
式かつベルト温度100 ℃程度の状況下で使用しても、摩
擦係数は小さいままであるが、搬送される薄帯に疵が発
生し易いことが問題となる。
On the other hand, the stainless mesh belt has a small coefficient of friction even when used in a dry type and at a belt temperature of about 100 ° C., but has a problem that flaws are likely to occur in the conveyed ribbon. Becomes

【0007】この発明は、上記した問題点を有利に解決
しようとするもので、搬送中の薄帯に付与される張力を
低減することのできる、薄帯の巻取り方法について提案
することを目的とする。
The present invention is intended to advantageously solve the above-mentioned problems, and an object thereof is to propose a method for winding a ribbon, which can reduce the tension applied to the ribbon being conveyed. And

【0008】[0008]

【課題を解決するための手段】この発明は、高速回転す
る冷却ロールの表面に溶融金属を注出し、急冷凝固させ
て金属薄帯としたのち、冷却ロールのほぼ接線方向に気
体を吹付けて冷却ロールから金属薄帯を剥離し、次いで
剥離した金属薄帯を、冷却ロール近傍に配置した吸引コ
ンベヤーにて吸着し、この吸着状態のまま吸引コンベヤ
ーのベルトを作動して金属薄帯を巻取リールまで搬送す
ることによって、金属薄帯に張力を付与しつつ巻取リー
ルで巻取るに当たり、ベルトの表面にフッ素樹脂で被覆
した吸引コンベヤーを用いて、該コンベヤーによって金
属薄帯に付与される張力を低減することを特徴とする金
属薄帯の巻取り方法である。
According to the present invention, molten metal is poured onto the surface of a cooling roll that rotates at a high speed and rapidly solidified to form a metal ribbon, and then gas is blown almost tangentially to the cooling roll. The metal ribbon is peeled from the cooling roll, then the peeled metal ribbon is adsorbed by the suction conveyor arranged near the cooling roll, and the belt of the suction conveyor is operated in this adsorption state to wind the metal ribbon. The tension applied to the metal ribbon by the reel is used to convey the metal ribbon to the reel while winding it on the take-up reel, using a suction conveyor coated with fluororesin on the surface of the belt. Is a method of winding a metal ribbon.

【0009】[0009]

【発明の実施の形態】さて、図1に、この発明の方法に
使用する薄帯の製造設備を示す。図において、符号1は
高速で回転している冷却ロールであり、この冷却ロール
1上にスリット状の開口をそなえるノズル2から溶融金
属3を注出し、溶融金属3を冷却ロール1上で急冷凝固
させて薄帯4を形成する。
BEST MODE FOR CARRYING OUT THE INVENTION FIG. 1 shows an apparatus for manufacturing a ribbon used in the method of the present invention. In the figure, reference numeral 1 is a cooling roll rotating at a high speed. Molten metal 3 is poured out from a nozzle 2 having a slit-shaped opening on the cooling roll 1, and the molten metal 3 is rapidly solidified on the cooling roll 1. Then, the ribbon 4 is formed.

【0010】次いで、薄帯4を、このロール1のほぼ接
線方向に気体、例えば圧縮空気を吹出すスリット状の開
口をそなえるエアーノズル5の空気吹付けによって、冷
却ロール1から剥離したのち、この剥離点下に設置した
吸引コンベヤー6の始端に、薄帯4の先端部を吸着さ
せ、薄帯4を吸着した状態でコンベヤーのベルトを作動
して薄帯4を巻取リール7側に搬送し、押付けロールな
どを用いて、薄帯4を巻取リール7に巻付け、薄帯に巻
取りに必要な張力を付与した状態にて巻取りを行う。な
お、符号8は、製板が定常状態になるまでの間に製造さ
れた低品質の薄帯先端部分を導いて破砕する装置であ
り、この先端部分の除去後の薄帯を巻取リール7に巻付
ける。
Next, the thin strip 4 is peeled from the cooling roll 1 by air blowing of an air nozzle 5 having a slit-shaped opening for blowing a gas, for example, compressed air, in a substantially tangential direction of the roll 1, and then the strip 4 is removed. The leading end of the thin strip 4 is sucked onto the starting end of the suction conveyor 6 installed below the peeling point, and the belt of the conveyor is operated while the thin strip 4 is sucked to convey the thin strip 4 to the take-up reel 7 side. The thin strip 4 is wound around the winding reel 7 using a pressing roll or the like, and the thin strip is wound in a state in which the tension required for winding is applied. Reference numeral 8 is a device for guiding and crushing the leading end portion of the low-quality ribbon manufactured until the plate-making reaches a steady state. The ribbon after removal of this leading end portion is taken up by the take-up reel 7 Wrap around.

【0011】なお、吸引コンベヤーは、上記した空気を
吸引する構造のものの他、マグネットを利用して吸着す
る構造のものも、適合する。さらに、吸引コンベヤーの
設置台数は、1台に限らず、複数台を用いることが可能
である。
The suction conveyor is not limited to the one having the above-mentioned structure for sucking air, and the one having a structure for sucking using a magnet is also suitable. Further, the number of suction conveyors installed is not limited to one, and a plurality of suction conveyors can be used.

【0012】この発明は、上記した薄帯の巻取り工程に
おいて、吸引コンベヤー6にて搬送される薄帯に付与さ
れる張力を低減することを、特徴とするものである。そ
こで、この発明では、吸引コンベヤー6のベルトについ
て鋭意検討した結果、ベルトの表面に、耐熱性が高く、
かつ高温化においても自己潤滑性に優れる、フッ素樹脂
を被覆した吸引コンベヤーにて、薄帯張力を低減し得る
ことを見いだしたのである。
The present invention is characterized in that the tension applied to the ribbon conveyed by the suction conveyor 6 is reduced in the above-described ribbon winding process. Therefore, in the present invention, as a result of earnestly studying the belt of the suction conveyor 6, as a result, the surface of the belt has high heat resistance,
Moreover, it has been found that the ribbon tension can be reduced by a fluorocarbon resin-coated suction conveyor that is excellent in self-lubricating property even at high temperatures.

【0013】さて、図2に、この発明に従う吸引コンベ
ヤー6を示すように、吸引コンベヤー6は、例えば30%
程度の開口率を有する吸引プレート9で上面を構成した
吸引箱10を内蔵し、この吸引箱10の近接位置を循環移動
するコンベヤー6のベルト11は、例えば20%程度の開口
率になり、コンベヤー外に設置した吸引ブロアー12によ
り吸引を行って、吸引箱10の吸引プレート9およびベル
ト11を介して、ベルト11上の薄帯4を吸着させる。通
常、吸引コンベヤー6のベルト11は、製板速度に対して
5%程度増加させた速度で移動しているため、薄帯4に
は常時、ベルト11との摩擦力によって張力が付与されて
いる。
Now, as shown in FIG. 2 which shows the suction conveyor 6 according to the present invention, the suction conveyor 6 is, for example, 30%.
The belt 11 of the conveyor 6 which incorporates a suction box 10 whose upper surface is constituted by a suction plate 9 having an opening ratio of about 10% and which circulates and moves near the suction box 10 has an opening ratio of, for example, about 20%. Suction is performed by a suction blower 12 installed outside, and the thin strip 4 on the belt 11 is sucked through the suction plate 9 and the belt 11 of the suction box 10. Normally, the belt 11 of the suction conveyor 6 moves at a speed that is increased by about 5% with respect to the plate-making speed, so that the thin strip 4 is always tensioned by the frictional force with the belt 11. .

【0014】この発明では、ベルト11の表面に、テフロ
ン等のフッ素樹脂を被覆すると、薄帯4とベルト11との
間に発生する摩擦力が低減されるために、ベルト11に搬
送される薄帯4に付与される張力も低減されるのであ
る。
In the present invention, when the surface of the belt 11 is coated with a fluororesin such as Teflon, the frictional force generated between the ribbon 4 and the belt 11 is reduced, so that the belt 11 is conveyed to the thin belt. The tension applied to the belt 4 is also reduced.

【0015】ここで、図3に、従来使用していたナイロ
ン製ベルトと、この発明に従ってフッ素樹脂を被覆した
ベルトとについて、ベルト表面温度および摩擦係数の関
係をそれぞれ示す。同図から、ナイロン製ベルトの摩擦
係数がベルト表面温度の上昇に伴い増加するのに対し
て、フッ素樹脂を被覆したベルトはベルト温度によらず
一定値になることがわかる。
FIG. 3 shows the relationship between the belt surface temperature and the coefficient of friction of the conventionally used nylon belt and the belt coated with fluororesin according to the present invention. From the figure, it can be seen that the coefficient of friction of the nylon belt increases as the belt surface temperature rises, while the belt coated with fluororesin has a constant value regardless of the belt temperature.

【0016】なお、ベルトに被覆するフッ素樹脂の厚さ
は、20〜30μm程度が好ましい。なぜなら、厚すぎる
と、表面割れ等が発生しやすく、薄すぎると、耐久性が
低下する。
The thickness of the fluororesin coated on the belt is preferably about 20 to 30 μm. This is because if it is too thick, surface cracks and the like are likely to occur, and if it is too thin, durability deteriorates.

【0017】また、吸引コンベヤーのベルトの基材は、
特に限定する必要はないが、在来のナイロンが簡便に利
用できる他、高張力に耐えるケブラー等のアラミド繊維
を使用することが推奨される。
The base material of the belt of the suction conveyor is
Although there is no particular limitation, it is recommended to use conventional nylon, as well as aramid fibers such as Kevlar that can withstand high tension.

【0018】[0018]

【実施例】図1に示した製造設備を用いて、C:0.5 at
%、Si:9at%およびB:11.5at%を含み残部実質的に
鉄の成分組成になる溶融金属を、1300℃の温度に保持し
た後、ノズル2から、30m/sの周速で高速回転する銅
合金製の冷却ロール1周面上に注出し、板厚25μm の薄
帯4を作成した。次いでエアーノズル5の空気吹付けに
よって、冷却ロール1から薄帯4を剥離し、冷却ロール
1の直下に配置した吸引コンベヤー6のベルトに、薄帯
4の剥離先端部を吸着させ、さらにこの吸着状態のま
ま、コンベヤー6のベルトを31.5m/s(冷却ロール周
速に対して5%増)で移動し、薄帯4を巻取リール7ま
で搬送し、薄帯先端の非定常部を破砕装置8で除去後、
巻取リール7に薄帯4を巻付けた後、巻取リール7で巻
取りを行った。
EXAMPLE Using the manufacturing equipment shown in FIG. 1, C: 0.5 at
%, Si: 9 at% and B: 11.5 at%, and the balance of the molten metal which is substantially iron component composition is maintained at a temperature of 1300 ° C. and then rotated at a high peripheral speed of 30 m / s from the nozzle 2. It was poured onto one surface of a cooling roll made of copper alloy, and a thin strip 4 having a plate thickness of 25 μm was prepared. Next, the thin strip 4 is stripped from the cooling roll 1 by blowing air from the air nozzle 5, and the stripping front end of the thin strip 4 is adsorbed to the belt of the suction conveyor 6 arranged immediately below the cooling roll 1, and this adsorption is further performed. In this state, the belt of the conveyor 6 is moved at 31.5 m / s (5% increase with respect to the peripheral speed of the cooling roll), the thin strip 4 is conveyed to the take-up reel 7, and the unsteady part of the leading end of the strip is crushed. After removal with device 8,
After winding the thin strip 4 around the take-up reel 7, the take-up reel 7 took up the film.

【0019】ここで、吸引コンベヤー6のベルト11は、
アラミド繊維材にフッ素樹脂を25μm厚で被覆したもの
であり、搬送中に薄帯に付与された張力は、剥離点の位
置において、従来のベルト11にナイロンを用いた吸引コ
ンベヤーの張力に比べて半減した。
Here, the belt 11 of the suction conveyor 6 is
The aramid fiber material is coated with fluororesin to a thickness of 25 μm, and the tension applied to the ribbon during transport is greater than the tension of a suction conveyor using nylon for the conventional belt 11 at the peeling point. Halved.

【0020】[0020]

【発明の効果】この発明によれば、搬送中の薄帯張力を
低減するから、過張力破断を未然に防止でき、かつ表面
疵のない良好な状態で薄帯を巻取ることが可能となっ
た。
According to the present invention, since the tension of the ribbon during conveyance is reduced, it is possible to prevent the breakage of the over tension in advance, and it is possible to wind the ribbon in a good condition without surface flaws. It was

【図面の簡単な説明】[Brief description of drawings]

【図1】薄帯の製造設備を示す模式図である。FIG. 1 is a schematic view showing a ribbon manufacturing facility.

【図2】吸引コンベヤーの構造を示す図である。FIG. 2 is a diagram showing a structure of a suction conveyor.

【図3】ベルト表面材質がベルトおよび薄帯間の摩擦係
数に与える影響を示す図である。
FIG. 3 is a diagram showing an influence of a belt surface material on a friction coefficient between a belt and a ribbon.

【符号の説明】[Explanation of symbols]

1 冷却ロール 2 注湯ノズル 3 溶融金属 4 薄帯 5 エアーノズル 6 吸引コンベア 7 巻取リール 8 破砕装置 9 吸引プレート 10 吸引箱 11 ベルト 12 吸引ブロアー 1 Cooling roll 2 Pouring nozzle 3 Molten metal 4 Thin strip 5 Air nozzle 6 Suction conveyor 7 Take-up reel 8 Crusher 9 Suction plate 10 Suction box 11 Belt 12 Suction blower

───────────────────────────────────────────────────── フロントページの続き (72)発明者 石塚 晴彦 千葉県千葉市中央区川崎町1番地 川崎製 鉄株式会社千葉製鉄所内 (72)発明者 佐藤 徹 千葉県千葉市中央区川崎町1番地 川崎製 鉄株式会社千葉製鉄所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Haruhiko Ishizuka, No. 1 Kawasaki-cho, Chuo-ku, Chiba-shi, Chiba Kawasaki Steel Co., Ltd. Chiba Works (72) Toru Sato No. 1 Kawasaki-cho, Chuo-ku, Chiba, Chiba Prefecture Kawasaki Chiba Steel Works, Ltd.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 高速回転する冷却ロールの表面に溶融金
属を注出し、急冷凝固させて金属薄帯としたのち、冷却
ロールのほぼ接線方向に気体を吹付けて冷却ロールから
金属薄帯を剥離し、次いで剥離した金属薄帯を、冷却ロ
ール近傍に配置した吸引コンベヤーにて吸着し、この吸
着状態のまま吸引コンベヤーのベルトを作動して金属薄
帯を巻取リールまで搬送することによって、金属薄帯に
張力を付与しつつ巻取リールで巻取るに当たり、ベルト
の表面にフッ素樹脂で被覆した吸引コンベヤーを用い
て、該コンベヤーによって金属薄帯に付与される張力を
低減することを特徴とする金属薄帯の巻取り方法。
1. A molten metal is poured onto the surface of a chill roll that rotates at a high speed and rapidly solidified to form a metal ribbon, and then a gas is blown almost tangential to the chill roll to separate the metal ribbon from the chill roll. Then, the peeled metal ribbon is adsorbed by the suction conveyor arranged near the cooling roll, and the belt of the suction conveyor is operated in this adsorption state to convey the metal ribbon to the take-up reel. When the ribbon is wound by a take-up reel while applying tension to the ribbon, a suction conveyor whose surface is coated with a fluororesin is used to reduce the tension applied to the metal ribbon by the conveyor. Method for winding metal ribbon.
JP07425996A 1996-03-28 1996-03-28 Winding method of metal ribbon Expired - Lifetime JP3336188B2 (en)

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JP07425996A JP3336188B2 (en) 1996-03-28 1996-03-28 Winding method of metal ribbon

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JP07425996A JP3336188B2 (en) 1996-03-28 1996-03-28 Winding method of metal ribbon

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JPH09262648A true JPH09262648A (en) 1997-10-07
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103930225A (en) * 2011-11-14 2014-07-16 杰富意钢铁株式会社 Thin metal strip manufacturing method and manufacturing equipment
WO2023128652A1 (en) * 2021-12-30 2023-07-06 주식회사 솔룸신소재 Lithium rolling apparatus and lithium rolling method using same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103930225A (en) * 2011-11-14 2014-07-16 杰富意钢铁株式会社 Thin metal strip manufacturing method and manufacturing equipment
US9022097B2 (en) 2011-11-14 2015-05-05 Jfe Steel Corporation Method and installation for manufacturing thin metal strip
WO2023128652A1 (en) * 2021-12-30 2023-07-06 주식회사 솔룸신소재 Lithium rolling apparatus and lithium rolling method using same

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