JP4881505B2 - Drive system for slowing down or dragging metal strips - Google Patents
Drive system for slowing down or dragging metal strips Download PDFInfo
- Publication number
- JP4881505B2 JP4881505B2 JP2000580770A JP2000580770A JP4881505B2 JP 4881505 B2 JP4881505 B2 JP 4881505B2 JP 2000580770 A JP2000580770 A JP 2000580770A JP 2000580770 A JP2000580770 A JP 2000580770A JP 4881505 B2 JP4881505 B2 JP 4881505B2
- Authority
- JP
- Japan
- Prior art keywords
- band
- carriage
- magnet
- tension
- chain
- 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 - Fee Related
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 25
- 239000002184 metal Substances 0.000 title claims description 25
- 230000009471 action Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/08—Braking or tensioning arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/003—Regulation of tension or speed; Braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/006—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only winding-up or winding-off several parallel metal bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
- B21C47/345—Feeding or guiding devices not specially adapted to a particular type of apparatus for monitoring the tension or advance of the material
- B21C47/3458—Endlessly revolving chain systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/06—Advancing webs by friction band
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
- B65H23/10—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on running web
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/006—Pinch roll sets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/30—Chains
- B65H2404/35—Arrangement of chains facing each other for forming a transport nip
- B65H2404/351—Arrangement of chains facing each other for forming a transport nip the nip being formed between elongate members bridging two chains running synchronously and in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2555/00—Actuating means
- B65H2555/10—Actuating means linear
- B65H2555/13—Actuating means linear magnetic, e.g. induction motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
- Belt Conveyors (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
- Structure Of Belt Conveyors (AREA)
Description
<産業上の利用分野> 本発明は、望ましくはエンドレス回転チェーンシステム間のバンドラインで金属バンドまたはシートを引っ張るつまり制動するための装置の駆動システムに関するものである。
【0001】
<従来の技術> EP−A−0088347とEP−A−0195096には、金属バンドの制動時に必要とされる引張り力つまり制動力が損傷作用を生じずに分割または非分割バンドの表面に加えられる金属製またはシート状のバンドの制動スタンドが開示されている。
【0002】
DE−B 1 288 865には、導電性金属バンドを制動するのに渦電流作用を利用することが開示されている。この実施例は実際に使用されている。根本的な短所は、バンドの速度が分速約50mに達するまで所望の作用が有益な形で現れないということにある。バンドの張力は、間隔を変化させることのみによって調節できる。間隔が狭すぎると磁石と接触して相対移動を引き起こすため、満足できる結果は得られなかった。
【0003】
公開明細書DE 195 24 289 A1には別の渦電流ブレーキが記載されている。基本的な相違は、永久磁石が円形の経路に沿って移動することにある。保持作用のために利用できる磁路は一つのみである。さらに、永久磁石が平行となるのはごくわずかな時間だけで、その結果、保持作用は不均一で概ね減少した形で発生する。特定の十分なバンド張力を与えるためには、制動ローラの回転速度はもはや調節不可能な程度のものにしなければならない。そのうえ、高い駆動出力を得ようとすると効率が非常に悪くなる。
【0004】
<発明の説明> 本発明に見られる問題は、一方では周知の制動スタンドの利用を拡大することと、他方では、様々な作業、すなわちバンド駆動領域内でのローラブロックの入口、出口、駆動の各条件で異なる特定の作用を達成することである。
【0005】
この問題は、中央領域に頑丈な支持体を形成する成形により、主請求項の特徴に従って解決される。入口と出口は弾性形状でなければならない。水平方向(バンド張力の方向)に高い弾性が得られるように設計される。さらに本発明ではごくわずかな圧縮加工が達成され、その結果、入口と出口における曲げ作業が決定的に減少する。ライニングの幅はチェーンのピッチに対応している。装置は回転ローラの間に設けられる。この設計では、駆動領域に閉接触面を設けることが可能である。この設計では、上部キャリッジチェーンが底部キャリッジチェーンに対して同期して進むことが必要である。
【0006】
比較的肉厚で硬度の低いライニングが選択されることが望ましい。金属バンドは埋没するため、断面における金属バンドの形状エラーやバンドのうねりが問題なく補正される。間隙空間が形成されることにより、圧縮加工された弾性ライニングの塊が特定の方法で流動する。
【0007】
ライニングには充填片、例えば平鋼が設けられる。これにより応力集中係数により機能的作業に適応した特定の方法で圧縮加工を行うことができるとともに、実際には制限なしで張力方向における所望の傾斜をライニングに付与できる。
【0008】
適切な用途[sic]は、たった一つの回転キャリッジチェーンが回転テーブルとして設計されるという事実にある。この場合、制動力つまり張力を加えることができるように、永久磁石により、または電磁石を介して、バンドに力が誘導される。磁化金属バンドは引力によりキャリッジチェーンの保護ストラップに引き寄せられ、μ値に従って駆動力が発生する。
【0009】
別の可能性として、二つの回転ローラに永久磁石または電磁石が設けられ、形成された磁極により平行かつ線形の移動磁界が形成され、この移動磁界が導電性バンド材料の線形回転渦電流ブレーキとして作用することが適当である。
【0010】
回転システムを介してエネルギーが導電または誘導により供給されると、金属バンドは加熱される。この作用は同様に、ガルヴァーニや他のプロセスでも利用できる。
【0011】
回転システムに電子測定ヘッドが設けられると、金属バンドと検査ヘッドは所定時間、同一速度により一定の位置で作業するため、例えばバンドの厚さ、表面条件、金属構造などを非常に正確に検査できる。
【0012】
機械的線形駆動装置が電気的線形駆動装置によって作動する場合、最適の動作モードが達成できる。この実施例は、線形駆動領域のみでキャリッジチェーンシステムに負荷を与えるため、力が大きく速度が高い場合に特に適している。
【0013】
制動スタンドを制御フレームの所定位置に通過ラインの高さで設けると、この手段により傾斜モーメントが「設計外」となるため、バンドの中心またはバンドのエッジに対してバンドを極めて正確に制御することが可能となる。その結果、振動による張力の変動が回避される。圧延、鍛伸、曲げ加工、ひずみ取りのプロセスでは、これは重要な側面である。
【0014】
制動スタンドまたは制御フレームは、バンド張力測定フレームを延長したものでもよい。この場合、これらユニットは板ばねに懸架される。バンド張力の反力は、測定セルを介してひずみなしで記録される。この測定システムは、水平方向の力のみを高い反復精度で測定でき、測定範囲に応じて数ニュートンに設定される。
【0015】
要求が高い場合、例えば銅やアルミニウムのバンドのような表面感度の非常に高いバンドの場合には、本発明により、正確には、同時にクランプ力を吸収できる直線ガイドストリップによって比較的短いクランプ・駆動領域にローラブロックを持つチェーンを明確に送ることにより、特別な効果が可能となる。こうして比較的大きな圧力が吸収されるが、この圧力は、バンドと回転するローラブロックの間に相対運動なしで大きな張力つまり保持力を確保するのに必要である。駆動領域のガイドストリップが直線で入口と出口が曲線であることにより、ローラブロックに特定の送りが実現する。特定の成形により、高い弾性移動が可能である。成形プレートの挿入により、弾性ライニングの圧縮加工は特に減少する。
【0016】
電気式線形駆動装置の設計は、チェーンキャリッジを連結するプレートのヒンジ端部が撓みと遠心力による負荷を受けるのに対して、加えられるバンド張力からの負荷は駆動領域のみに作用するという長所を備えている。したがってヒンジの寸法は撓みと遠心力に制限される。これにより磨耗が最小となる。
【0017】
駆動部分は、電流が金属バンドに導電または誘導によって送られるように構成すればよい。この解決法は、バンド上のプロセスを測定するためと、保持力の誘導に用いられる磁界を形成するため、バンドを加熱する際にガルヴァーニプロセスで使用されることが望ましい。電流を送るため、キャリッジ状ローラブロックに導電性材料が設けられる。ローラブロックが駆動領域を通過すると、電流が明確に切り換えられる。従来のガスまたは油だきによる焼きなまし炉設備と比べて効率が高いことは別にして、この手段の大きな長所は、エネルギー供給がいつでも切り換えられるということにある。渦電流方法を使用する際、バンドの張力はチェーンキャリッジの対向速度により調節でき、保持力は頻度を変更すれば調節可能である。
【0018】
キャリッジチェーンシステムのライニング支持体に測定子を設けると、回転テーブルにより理想的な分析条件が得られる。回転キャリッジチェーンシステムの作業は、バンドを搬送することと、測定ヘッドまたは磁石コイルからのバンド距離を一定に確保することである。金属バンドとキャリッジチェーンシステムはこの領域で同じ速度を持つので、検査作業のドエル時間(dwell time)は、接触部分を設けることによって設定できる。用途として適しているのは、バンド厚さの測定、バンドにおける応力の測定、表面の走査、他の検査システムである。電流は内側からと、外側から横方向に交互に送られる。チェーンキャリッジが平行部分に達した後、または平行部分を離れる前に、電流のオン・オフが切り換えられる。
【0019】
区分化領域全体を通過する各磁石または磁気コイルには、同じシステムにより電圧が供給できる。バンドは磁石の引力を介してチェーンキャリッジに引き寄せられる。バンドの張力は、これらの力とμ値の関数としてチェーンキャリッジシステムを介して加えられる。これは永久磁石によっても可能となる。この設計は磁化金属バンドに適している。
【0020】
<発明を実施するための方法> 図示された装置は、各バンドストリップが撓み綱車なしで巻上げリール1,2に接線方向に送られるという大きな長所を備えている。前記上部回転ローラ5,前記底部回転ローラ6に発生する逆張力は、撓み損失と相対移動を生じずに巻取り点に送られる。このように、均一かつ特定のバンド張力の配分を行うための理想的な前提条件が作られている。接線方向の送りは連続的に調整される。数字1は巻上げリールの巻上げ心棒、2は巻き上げられたコイル、3はバンドストリップの第3分離器、4は金属バンド、5は上部回転ローラ、6は底部回転ローラ、7は第2分離器、8は、ループ9から制動・張力スタンド20に金属バンドを直角に送るための第1分離器、10は分割せん断機を示す。
【0021】
図2によるこの解決法の特徴は、電気式リニア駆動装置19により機械式リニア駆動装置が動くことにある。この解決法により、高いバンド張力が金属バンドにきわめて速く誘導される。撓みの間、遠心力からの力とヒンジ動作のみがキャリッジチェーンに生じる。キャリッジチェーン11は単純な構造でよい。駆動チェーン全体は、鎖歯車と自在シャフトと歯車装置とクラッチと電動モータとを備えたシャフトで構成される。概ね高い速度と、同時に高いバンド張力とに、問題なく対処できる。数字12は弾性区分化ライニング、13はライニング支持体、14は移動レールを示す。
【0022】
制動・張力スタンド20は、制御フレーム21内の板ばね24により懸架されている。計量セル23により、撓みによるゆがみなしで、非常に低いヒステリシスと非常に高い反復精度でバンド張力を測定できる。制動・張力スタンド20は、相互に対向配置されるとともに支柱のガイド18に装着された直立の回転ローラ5と6で構成され、そのうち上部回転ローラ5は、円筒形の圧縮ピストンロッド18により底部回転ローラ6に当接している。
【0023】
キャリッジチェーン11と11aは、相互に結合され、矢印25の方向に入るバンド4の全幅にわたって延在し、少なくとも両側の支持ホイール26と横ガイドローラ27とともにトラック上を転がるかトラックと横接触する、多数のローラブロック40で構成される。トラックは駆動領域に送られ、ここで対向するキャリッジチェーン11がバンド4の両面を保持してバンドを間にクランプする。
【0024】
ライニング支持体13は、弾性のライニング12を備えている。ライニングの幅はチェーンのピッチTに対応し、二つの隣接する、つまり連続するブロックの支持ホイール26の車軸内に延在する。車軸は同時に回転中心を形成する。ライニング12は、入口側と出口側で圧縮加工ライニングの特別な弾性適応が可能となるような方法で、間隙空間30により構成される。ライニングの圧縮加工高さは、曲げ作業をできるだけ軽くするため、できるだけ低くすべきである。同時に、図6のようにライニングの傾斜が異なることによって各分割バンドストリップのバンド速度が異なるように、ライニングにはバンド張力方向に非常に高い弾性を付与すべきである。支持プレート31,32による応力集中係数を介して圧縮加工高さを作業に適応させるように、本発明にしたがってこのような機能的変更を行ったが、ライニングの傾斜はごくわずかな程度のみに制限される。図4はバンド張力が若干である場合のライニングの位置を示し、図5はバンド張力が高い場合のライニングの位置を示す。
【0025】
渦電界を発生する永久磁石33または磁気コイル34がライニング支持体13に装着されると、導電性バンド、特にアルミニウム、銅、これら合金のバンドを利用してバンド張力を誘導できる。この場合、キャリッジチェーンは概してバンドの移動方向と反対に動く。接触部分の長さは要件に適応させればよい。
【0026】
図6によるこの実施例は、制動システムとの接触が見られないため、最高の表面要求を持つ金属バンドには非常に有益である。永久磁石33またはコイル34間の距離は、弾性ブロック35により回転ローラが支持されることにより、一定に維持される。引力により、金属バンド4は永久磁石33またはコイル34間で浮揚する。保護ストラップ36も図示されている。シリンダ18の代わりにスピンドルドライブを使用すると、距離が設定できるため、機械には追加制御要素が設けられることになる。
【0027】
磁界を発生する永久磁石33または磁気コイル34がライニング支持体13に装着されると、磁化金属バンドを利用してバンド張力を誘導できる。この場合、キャリッジチェーンはバンドの進行方向に動く。接触部分の長さは要件に適応させればよい。
【0028】
制動システムと片面のみで接触するので、本実施例は、最高の表面要求を持つ金属バンドに対して非常に有益である。
【図面の簡単な説明】
【図1】 分割バンド制動・張力スタンドを示す図である。
【図2】 制御・測定フレームを備えた制動・張力スタンドの一部破断正面図である。
【図3】 制御・測定フレームを備えた制動・張力スタンドの一部破断側面図である。
【図4】 負荷状態が異なる場合に考えられる弾性ライニングを示す図である。
【図5】 負荷状態が異なる場合に考えられる弾性ライニングを示す図である。
【図6】 渦電界による正方向および逆方向の張力を示す図である。
【図7】 磁界による正方向および逆方向の張力を示す図である。The present invention relates to a drive system for an apparatus for pulling or braking a metal band or sheet, preferably at a band line between endless rotating chain systems.
[0001]
<Prior Art> In EP-A-0088347 and EP-A-0195096, a tensile force required when braking a metal band, that is, a braking force is applied to the surface of a split or non-split band without causing damage. Metal or sheet-like band brake stands are disclosed.
[0002]
DE-B 1 288 865 discloses the use of eddy current action to brake conductive metal bands. This embodiment is actually used. The fundamental disadvantage is that the desired effect does not appear in a beneficial manner until the band speed reaches about 50 m / min. Band tension can be adjusted only by changing the spacing. If the distance is too small, the magnet will come into contact with the magnet and cause relative movement, so satisfactory results have not been obtained.
[0003]
The published specification DE 195 24 289 A1 describes another eddy current brake. The basic difference is that the permanent magnet moves along a circular path. Only one magnetic path can be used for the holding action. Furthermore, the permanent magnets are parallel only in a very short time, so that the holding action occurs in a non-uniform and generally reduced manner. In order to provide a specific sufficient band tension, the rotational speed of the brake roller must be such that it can no longer be adjusted. Moreover, the efficiency is very poor when trying to obtain a high drive output.
[0004]
DESCRIPTION OF THE INVENTION The problems found in the present invention are, on the one hand, the expansion of the use of known braking stands and, on the other hand, various tasks, namely the entrance, exit and drive of the roller block within the band drive area. To achieve different specific actions under each condition.
[0005]
This problem is solved according to the features of the main claim by forming a sturdy support in the central region. The inlet and outlet must be elastic. Designed to obtain high elasticity in the horizontal direction (band tension direction). Furthermore, very little compression is achieved with the present invention, resulting in a decisive reduction in bending at the inlet and outlet. The width of the lining corresponds to the pitch of the chain. The device is provided between rotating rollers. In this design, it is possible to provide a closed contact surface in the drive area. This design requires that the top carriage chain advance synchronously with respect to the bottom carriage chain.
[0006]
It is desirable to select a lining that is relatively thick and low in hardness. Since the metal band is buried, the metal band shape error and the band waviness in the cross section are corrected without problems. By forming the gap space, the compressed elastic lining mass flows in a specific manner.
[0007]
The lining is provided with filling pieces, for example flat steel. As a result, the compression processing can be performed by a specific method adapted to the functional work by the stress concentration coefficient, and a desired inclination in the tension direction can be imparted to the lining without limitation in practice.
[0008]
A suitable application [sic] lies in the fact that only one rotating carriage chain is designed as a rotating table. In this case, a force is induced in the band by a permanent magnet or via an electromagnet so that a braking force or tension can be applied. The magnetized metal band is attracted to the protective strap of the carriage chain by attractive force, and a driving force is generated according to the μ value.
[0009]
As another possibility, the two rotating rollers are provided with permanent magnets or electromagnets, and the formed magnetic poles form a parallel and linear moving magnetic field, which acts as a linear rotating eddy current brake for the conductive band material. It is appropriate to do.
[0010]
When energy is supplied by conduction or induction through the rotating system, the metal band is heated. This effect can be used in galvanic and other processes as well.
[0011]
When the rotating system is equipped with an electronic measuring head, the metal band and the inspection head work at a fixed position at the same speed for a predetermined time, so that, for example, the thickness of the band, surface conditions, metal structure, etc. can be inspected very accurately .
[0012]
An optimal mode of operation can be achieved when the mechanical linear drive is operated by an electrical linear drive. This embodiment is particularly suitable when the force is high and the speed is high because the carriage chain system is loaded only in the linear drive region.
[0013]
If the brake stand is installed at a predetermined position of the control frame at the height of the passing line, this means that the tilt moment is “out of design”, so the band can be controlled very precisely with respect to the band center or band edge. Is possible. As a result, fluctuations in tension due to vibration are avoided. This is an important aspect in the processes of rolling, forging, bending and strain relief.
[0014]
The brake stand or control frame may be an extension of the band tension measurement frame. In this case, these units are suspended by leaf springs. The reaction force of the band tension is recorded without distortion through the measuring cell. This measurement system can measure only horizontal force with high repeatability and is set to several newtons depending on the measurement range.
[0015]
In the case of high demands, for example in the case of very high surface sensitivity bands such as copper or aluminum bands, the present invention enables a relatively short clamping and driving by means of a linear guide strip that can absorb the clamping force at the same time. A special effect is possible by clearly sending a chain with roller blocks in the area. Although a relatively large pressure is thus absorbed, this pressure is necessary to ensure a large tension or holding force without relative movement between the band and the rotating roller block . A specific feed to the roller block is achieved by a straight guide strip in the drive area and a curved inlet and outlet. High elastic movement is possible by specific molding. Due to the insertion of the forming plate, the compression process of the elastic lining is particularly reduced.
[0016]
The design of the electric linear drive device has the advantage that the load from the applied band tension acts only on the drive area, while the hinge end of the plate connecting the chain carriage is subjected to a load due to bending and centrifugal force. I have. The hinge dimensions are therefore limited to deflections and centrifugal forces. This minimizes wear.
[0017]
The drive portion may be configured such that current is sent to the metal band by conduction or induction. This solution is preferably used in a galvanic process when heating the band to measure the process on the band and to form a magnetic field that is used to induce coercivity. A conductive material is provided on the carriage-like roller block to send current. When the roller block passes through the drive area, the current is switched clearly. Apart from being more efficient than conventional gas or oil fired annealing furnace equipment, the major advantage of this means is that the energy supply can be switched at any time. When using the eddy current method, the tension of the band can be adjusted by the facing speed of the chain carriage, and the holding force can be adjusted by changing the frequency.
[0018]
If a measuring element is provided on the lining support of the carriage chain system, ideal analysis conditions can be obtained by the rotary table. The work of the rotary carriage chain system is to carry the band and to ensure a constant band distance from the measuring head or magnet coil. Since the metal band and the carriage chain system have the same speed in this region, the dwell time of the inspection operation can be set by providing a contact portion. Suitable for applications are band thickness measurement, band stress measurement, surface scanning, and other inspection systems. Current is sent alternately from the inside and from the outside in the lateral direction. After the chain carriage reaches the parallel part or before leaving the parallel part, the current is switched on and off.
[0019]
Each magnet or magnetic coil passing through the entire segmented region can be supplied with voltage by the same system. The band is attracted to the chain carriage via the magnetic attraction. Band tension is applied through the chain carriage system as a function of these forces and μ values. This is also possible with a permanent magnet. This design is suitable for magnetized metal bands.
[0020]
<Method for Carrying Out the Invention> The illustrated apparatus has the great advantage that each band strip is fed tangentially to the hoist reels 1 and 2 without a flexible sheave. The reverse tension generated in the upper rotating roller 5 and the bottom rotating roller 6 is sent to the winding point without causing any bending loss and relative movement. In this way, an ideal precondition for uniform and specific band tension distribution is created. The tangential feed is continuously adjusted. Number 1 is the winding mandrel of the winding reel, 2 is the coil wound up, 3 is the third separator of the band strip, 4 is the metal band, 5 is the top rotating roller, 6 is the bottom rotating roller, 7 is the second separator, Reference numeral 8 denotes a first separator for sending a metal band from the loop 9 to the brake / tension stand 20 at a right angle, and 10 denotes a split shearing machine.
[0021]
A feature of this solution according to FIG. 2 is that the mechanical linear drive is moved by the electric linear drive 19. This solution induces a high band tension very quickly in the metal band. Only the force from the centrifugal force and the hinge movement occur in the carriage chain during deflection. The carriage chain 11 may have a simple structure. The entire drive chain is composed of a shaft provided with a chain gear, a universal shaft, a gear device, a clutch, and an electric motor. It can cope with high speed and high band tension at the same time. The numeral 12 is an elastic segmented lining, 13 is a lining support, and 14 is a moving rail.
[0022]
The brake / tension stand 20 is suspended by a leaf spring 24 in the control frame 21. The weighing cell 23 can measure the band tension with very low hysteresis and very high repeatability without distortion caused by bending. The braking / tensioning stand 20 is composed of upright rotating rollers 5 and 6 which are arranged opposite to each other and mounted on a guide 18 of the support column, and the upper rotating roller 5 is rotated at the bottom by a cylindrical compression piston rod 18. It is in contact with the roller 6.
[0023]
The carriage chains 11 and 11a are coupled to each other and extend over the entire width of the band 4 entering the direction of the arrow 25, and roll on the track or in lateral contact with the track together with the support wheels 26 and the lateral guide rollers 27 on at least both sides. It is composed of a large number of roller blocks 40 . The track is sent to the drive area, where the opposite carriage chain 11 holds both sides of the band 4 and clamps the band in between.
[0024]
The lining support 13 includes an elastic lining 12. The width of the lining corresponds to the pitch T of the chain and extends into the axle of the support wheel 26 of two adjacent or successive blocks. The axle simultaneously forms the center of rotation. The lining 12 is constituted by the gap space 30 in such a way that a special elastic adaptation of the compression lining is possible on the inlet side and the outlet side. The compression height of the lining should be as low as possible to make the bending operation as light as possible. At the same time, the lining should be given very high elasticity in the band tension direction so that the band speed of each split band strip is different due to the different lining inclinations as in FIG. Although such a functional change has been made in accordance with the present invention to adapt the compression height to the work via the stress concentration factor due to the support plates 31, 32, the lining inclination is limited to only a slight degree. Is done. FIG. 4 shows the position of the lining when the band tension is slight, and FIG. 5 shows the position of the lining when the band tension is high.
[0025]
When the permanent magnet 33 or the magnetic coil 34 that generates an eddy electric field is attached to the lining support 13, band tension can be induced using a conductive band, in particular, a band of aluminum, copper, or an alloy thereof. In this case, the carriage chain generally moves in the opposite direction of the band movement. The length of the contact portion may be adapted to the requirements.
[0026]
This embodiment according to FIG. 6 is very beneficial for metal bands with the highest surface requirements, since no contact with the braking system is seen. The distance between the permanent magnet 33 or the coil 34 is kept constant by the elastic block 35 supporting the rotating roller. Due to the attractive force, the metal band 4 floats between the permanent magnet 33 or the coil 34. A protective strap 36 is also shown. If a spindle drive is used instead of the cylinder 18, the distance can be set and the machine will be provided with additional control elements.
[0027]
When the permanent magnet 33 or the magnetic coil 34 that generates a magnetic field is attached to the lining support 13, the band tension can be induced using the magnetized metal band. In this case, the carriage chain moves in the traveling direction of the band. The length of the contact portion may be adapted to the requirements.
[0028]
This embodiment is very beneficial for metal bands with the highest surface requirements because they contact the braking system only on one side.
[Brief description of the drawings]
FIG. 1 is a diagram showing a split band braking / tension stand.
FIG. 2 is a partially cutaway front view of a brake / tension stand provided with a control / measurement frame.
FIG. 3 is a partially cutaway side view of a brake / tension stand provided with a control / measurement frame.
FIG. 4 is a diagram showing an elastic lining considered when load conditions are different.
FIG. 5 is a diagram showing an elastic lining considered when load states are different.
FIG. 6 is a diagram illustrating tensions in the forward direction and the reverse direction due to an eddy electric field.
FIG. 7 is a diagram illustrating tensions in a forward direction and a reverse direction due to a magnetic field.
Claims (11)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29820111 | 1998-11-11 | ||
DE19852078.6 | 1998-11-11 | ||
DE29820111.9 | 1998-11-11 | ||
DE1998152078 DE19852078A1 (en) | 1998-11-11 | 1998-11-11 | Elastic coating in devices for pulling and braking of metal strip can be adapted using shaping and filler parts for each task, to enable permanent magnets to be attached to roller blocks |
DE29909850U DE29909850U1 (en) | 1998-11-11 | 1999-04-19 | Elastic coating in device for pulling or braking metal strips |
DE29909850.8 | 1999-04-19 | ||
PCT/EP1999/008606 WO2000027554A1 (en) | 1998-11-11 | 1999-11-10 | Driver system for reducing the speed of or dragging metal strips |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002529245A JP2002529245A (en) | 2002-09-10 |
JP4881505B2 true JP4881505B2 (en) | 2012-02-22 |
Family
ID=45851326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000580770A Expired - Fee Related JP4881505B2 (en) | 1998-11-11 | 1999-11-10 | Drive system for slowing down or dragging metal strips |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4881505B2 (en) |
KR (1) | KR100614458B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112019005231B1 (en) | 2016-09-27 | 2022-07-12 | Novelis Inc. | APPLIANCE AND HEATING METHOD |
DE202017007313U1 (en) | 2016-09-27 | 2020-10-07 | Novelis Inc. | Rotating magnet heating induction |
-
1999
- 1999-11-10 KR KR1020007007637A patent/KR100614458B1/en not_active IP Right Cessation
- 1999-11-10 JP JP2000580770A patent/JP4881505B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100614458B1 (en) | 2006-08-23 |
KR20010034032A (en) | 2001-04-25 |
JP2002529245A (en) | 2002-09-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6502734B1 (en) | Driver system for reducing the speed of or dragging metal strips | |
US3413915A (en) | Magnetically biased pressure application to running length materials | |
JP2718694B2 (en) | Guidance device | |
JP3998264B2 (en) | Conveying device for moving material sheet | |
US5964114A (en) | Method of regulating the stress distribution in metal strips or sheet, especially of nonferromagnetic metals | |
JP4881505B2 (en) | Drive system for slowing down or dragging metal strips | |
US5392702A (en) | Magnetic rolling system having rollers with laminated ply units disposed therein | |
US5320297A (en) | Roll-winding apparatus drive mechanism | |
CN113891770A (en) | Straightening device for straightening a wire, method for braking at least one rotatable roller in a straightening device, cable processing machine with a straightening device, and upgrading kit for a cable processing machine | |
US4051946A (en) | Magnetic conveyor | |
JPH099586A (en) | Device for press-fitting slot closures for rotating electrical machines | |
JPS6158190A (en) | Electromagnetic induction heater | |
US4180257A (en) | Magnetic sheet conveyor | |
MXPA00006811A (en) | Driver system for reducing the speed of or dragging metal strips | |
EP0383450B1 (en) | Magnetic rolling apparatus | |
US4915318A (en) | Electromagnetic drag mechanisms for ferrous strip | |
US3229805A (en) | Magnetic rail conveyor | |
CA2735904A1 (en) | Method and apparatus for improving mechanical properties of magnetically-activatable materials | |
US3228680A (en) | Magnetic feed roll system | |
CN114761149B (en) | Rolling line | |
JP2633902B2 (en) | Straightening machine, straightening device, straightening method and straightening line equipment | |
RU2141880C1 (en) | Rolling stand | |
JP2001006862A (en) | Electromagnetic induction heating device | |
CN116618473B (en) | Straightening equipment and method for stainless steel belt | |
SU1123756A1 (en) | Arrangement for straightening strip rolled stock |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20060814 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090227 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090303 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090430 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090512 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090605 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090612 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20090708 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20090715 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090903 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20091014 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20091218 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20091228 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100414 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110315 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110610 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110617 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110713 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110721 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20110812 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20110819 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110915 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20111116 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111205 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20141209 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |