JP5240587B2 - Steel strip passing method - Google Patents

Steel strip passing method Download PDF

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JP5240587B2
JP5240587B2 JP2010003851A JP2010003851A JP5240587B2 JP 5240587 B2 JP5240587 B2 JP 5240587B2 JP 2010003851 A JP2010003851 A JP 2010003851A JP 2010003851 A JP2010003851 A JP 2010003851A JP 5240587 B2 JP5240587 B2 JP 5240587B2
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coil
tip
magnet conveyor
steel strip
magnet
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JP2011143412A (en
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正明 面高
康雄 濱田
正美 毛利
章 鬼頭
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Nippon Steel Corp
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Nippon Steel Corp
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Description

本発明は、鋼帯を処理するプロセスラインなどの入側で、安定的に通板をするための方法に関するものである。   The present invention relates to a method for stably passing a sheet on the entry side of a process line or the like for processing a steel strip.

従来、鋼帯を処理するプロセスラインなどの入側におけるストリップの通板方法は、図３に示すように、コイル１をペイオフリール２に装着後、マグネットコンベア３の吸着に適した位置まで、作業員がコイルを回転させて吸着作業を行い、その吸着が行われた事を作業員が目視により確認後に、通板作業を行うことが通常であった。しかし、当該作業は人手が必要であり、大きな労力を要していた。   Conventionally, as shown in FIG. 3, the strip passing method on the entry side of a process line for processing a steel strip, etc., is performed after the coil 1 is mounted on the payoff reel 2 to a position suitable for attracting the magnet conveyor 3. Usually, an operator rotates a coil to perform an adsorption operation, and it is normal for an operator to visually confirm that the adsorption has been performed and then perform a plate passing operation. However, this work requires manpower and requires a lot of labor.

プロセスラインの省力化を目的として、当該作業を無人で行うために、プロセスラインの入側通板において、まずコイルの先端をコイル外周上のストリップの厚み分の段差として検出する検出器を設け、その後検出された先端をピンチロール、溶接機等へ導くマグネットコンベアを配置し、そのマグネットコンベアにストリップの吸着を検知する検出器を設け、先端が吸着されたことを検知した後ストリップを通板する技術が開示されている（特許文献１）。   For the purpose of labor saving of the process line, in order to perform the operation unattended, in the entrance side plate of the process line, first, a detector that detects the tip of the coil as a step corresponding to the thickness of the strip on the outer periphery of the coil is provided. After that, a magnetic conveyor for guiding the detected tip to a pinch roll, a welding machine, etc. is arranged, and a detector for detecting the adsorption of the strip is provided on the magnet conveyor, and after detecting that the tip is adsorbed, the strip is passed through. A technique is disclosed (Patent Document 1).

しかし、従来の技術では、図３に示すように、コイル１をペイオフリール２に装着後、該マグネットコンベア３をコイル１の先端に吸着する位置まで下降させ、マグネットコンベア３を該位置に固定したまま、通板作業を行っており、コイル１の先端に反りや曲がりがある場合、ピンチロール４の入口部分で該コイル１の先端部の引っ掛かり（以下、掛板という)が発生する問題があった。   However, in the prior art, as shown in FIG. 3, after the coil 1 is mounted on the payoff reel 2, the magnet conveyor 3 is lowered to a position where it is attracted to the tip of the coil 1, and the magnet conveyor 3 is fixed at the position. When the plate-passing operation is performed as it is, and the tip of the coil 1 is warped or bent, there is a problem that the tip of the coil 1 is caught at the entrance of the pinch roll 4 (hereinafter referred to as a hook plate). It was.

特開平０５-０００３２２号公報JP 05-000322 A

本発明の目的は前記問題を解決し、ピンチロール入口部分での掛板の問題を解消可能な鋼帯の通板方法を提供することである。   An object of the present invention is to provide a method for passing a steel strip that solves the above-mentioned problems and can solve the problem of the hanging plate at the entrance portion of the pinch roll.

上記課題を解決するためになされた本発明の鋼帯の通板方法は、プロセスラインの入側におけるストリップ通板時に、ペイオフリールに装着されたコイルの先端をマグネットコンベアで吸着してピンチロールへ導く鋼帯の通板方法であって、該マグネットコンベアの一端部を軸支し、該軸を中心として、他端部を下降させてペイオフリールに装着されたコイルの先端をマグネットコンベアに吸着させ、その後マグネットコンベアに鋼帯を吸着させながら、該マグネットコンベアを、該軸を中心として他端部を上昇させつつ鋼帯を搬送し、コイルの先端をピンチロールへ通板させることを特徴とするものである。   The steel strip threading method of the present invention made to solve the above-mentioned problem is that when the strip is threaded on the entry side of the process line, the tip of the coil mounted on the payoff reel is attracted by a magnetic conveyor to the pinch roll. A steel plate passing method that guides one end of the magnet conveyor, lowers the other end around the shaft, and attracts the tip of the coil mounted on the payoff reel to the magnet conveyor. Then, while adsorbing the steel strip to the magnet conveyor, the magnet conveyor is conveyed while raising the other end around the axis, and the tip of the coil is passed through the pinch roll. Is.

請求項２記載の発明は、請求項１記載の鋼帯の通板方法において、該マグネットコンベアの略全面をコイル吸着面として形成したことを特徴とするものである。   According to a second aspect of the present invention, in the method for passing a steel strip according to the first aspect, substantially the entire surface of the magnet conveyor is formed as a coil attracting surface.

本発明に係る鋼帯の通板方法は、マグネットコンベアの一端部を軸支し、該軸を中心として、他端部を下降させてペイオフリールに装着されたコイルの先端をマグネットコンベアに吸着させ、その後マグネットコンベアに鋼帯を吸着させながら、該マグネットコンベアを、該軸を中心として他端部を上昇させつつ鋼帯を搬送し、コイルの先端をピンチロールへ通板させる構成にすることで、マグネットと鋼帯の吸着面積を最大限に活用して吸着力を確保し、該マグネットコンベアを略水平状態に近づけた状態で、コイルの先端をピンチロールへ通板可能とし、これによりコイルの先端の反りや曲がりに起因して発生するピンチロール入口部分での掛板の問題を回避した。   The sheet passing method of the steel strip according to the present invention is such that one end of the magnet conveyor is pivotally supported, and the other end is lowered around the axis so that the tip of the coil mounted on the payoff reel is attracted to the magnet conveyor. Then, while adsorbing the steel strip to the magnet conveyor, the magnet conveyor is configured to convey the steel strip while raising the other end around the axis and pass the tip of the coil to the pinch roll. , To secure the attractive force by utilizing the adsorption area of the magnet and the steel strip to the maximum, and with the magnet conveyor approaching a substantially horizontal state, the coil tip can be passed through the pinch roll, The problem of the hanging plate at the entrance of the pinch roll due to the warping or bending of the tip was avoided.

請求項２記載の発明によれば、マグネットコンベアの下面全体でコイルを電磁的に吸着することにより、該コイルをマグネットコンベアに強力に保持できるため、通板の安定性が向上する。   According to the second aspect of the present invention, since the coil can be strongly held on the magnet conveyor by electromagnetically adsorbing the coil on the entire lower surface of the magnet conveyor, the stability of the plate is improved.

請求項３記載の発明によれば、コイルの先端をピンチロールへ通板後に、トップガイド後退させることにより、該コイルに、こすり疵が発生することを防止することができる。   According to the third aspect of the present invention, it is possible to prevent rubbing from occurring in the coil by retracting the top guide after passing the tip of the coil through the pinch roll.

本発明の鋼帯の通板方法の説明図である。It is explanatory drawing of the plate passing method of the steel strip of this invention. 本発明の鋼帯の通板方法に用いるマグネットコンベア説明図である。It is explanatory drawing of the magnet conveyor used for the plate passing method of the steel strip of this invention. 従来の鋼帯の通板方法の説明図である。It is explanatory drawing of the plate method of the conventional steel strip.

以下に本発明の好ましい実施形態を示す。   Preferred embodiments of the present invention are shown below.

本発明の鋼帯の通板方法に用いる装置は、図１に示すように、ペイオフリール２に装着されたコイル１の先端をピンチロール４へ導くマグネットコンベア３を備え、該マグネットコンベア３の内部に複数のマグネット３１を配置して、略全面をコイル吸着面として形成している。   As shown in FIG. 1, the apparatus used in the steel strip passing method of the present invention includes a magnet conveyor 3 that guides the tip of a coil 1 mounted on a payoff reel 2 to a pinch roll 4, and the inside of the magnet conveyor 3. A plurality of magnets 31 are arranged on the surface, and the substantially entire surface is formed as a coil attracting surface.

該マグネットコンベア３は、ピンチロール４側の端部で軸支されており、エアーシリンダ等(図示しない)により上昇または下降可能に支持されている。   The magnet conveyor 3 is pivotally supported at the end on the pinch roll 4 side and is supported by an air cylinder or the like (not shown) so as to be raised or lowered.

本発明の鋼帯の通板方法では、まず、該マグネットコンベア３の、ペイオフリール２側の端部を下降させて、ペイオフリール２に装着されたコイル１の先端をマグネットコンベア３に接触させる。   In the sheet passing method of the steel strip of the present invention, first, the end of the magnet conveyor 3 on the payoff reel 2 side is lowered, and the tip of the coil 1 mounted on the payoff reel 2 is brought into contact with the magnet conveyor 3.

続いて、ペイオフリール２に装着されたコイル１に接触した状態で、マグネット励磁装置（図示しない）の通電を行い、マグネット吸着装置の電磁石をＯＮ状態にし、該コイル１から引き出されたストリップの先端を吸着する。   Subsequently, the magnet excitation device (not shown) is energized in contact with the coil 1 mounted on the payoff reel 2, the electromagnet of the magnet adsorption device is turned on, and the tip of the strip drawn from the coil 1 is turned on. To adsorb.

その後、マグネット吸着装置の電磁石をＯＮ状態にしたまま、該マグネットコンベア３を回転させると同時に、該マグネットコンベア３の、ペイオフリール２側の端部を上昇させつつ、マグネットコンベア３に吸着されたコイル１の先端をピンチロール４へ搬送させる。   Thereafter, the magnet conveyor 3 is rotated while the electromagnet of the magnet adsorption device is turned on, and at the same time, the coil adsorbed to the magnet conveyor 3 is lifted while raising the end of the magnet conveyor 3 on the payoff reel 2 side. The tip of 1 is conveyed to the pinch roll 4.

本発明のマグネットコンベア３は、図２に示すように、コンベアベルトの内部に複数のマグネット３１を配置することにより、該マグネットコンベア３の下面全体でコイル１を電磁的に吸着可能に構成している。当該構成により、該コイル１がマグネットコンベア３に安定的に保持されるため、マグネット励磁装置を励磁したままで、ペイオフリール２を回転させ、同時に、油圧シリンダにより該上下可動部３３を上昇させ、該マグネットコンベア３を略水平状態に近づけた状態で、コイル１の先端をピンチロール４へ通板し、更に、レベラ５の入側まで引き込ませることができる。   As shown in FIG. 2, the magnet conveyor 3 of the present invention is configured such that the coil 1 can be electromagnetically attracted to the entire lower surface of the magnet conveyor 3 by arranging a plurality of magnets 31 inside the conveyor belt. Yes. With this configuration, since the coil 1 is stably held on the magnet conveyor 3, the payoff reel 2 is rotated while the magnet exciter is energized, and at the same time, the vertical movable portion 33 is raised by the hydraulic cylinder, With the magnet conveyor 3 approaching a substantially horizontal state, the tip of the coil 1 can be passed through the pinch roll 4 and further pulled to the entry side of the leveler 5.

上記のように、本発明の鋼帯の通板方法およびその通板装置によれば、どのような鋼種の鋼板でも先端をつっかけることなく確実に通板できるようになり、掛板による設備の停止などのトラブルの発生を効果的に回避することができる。   As described above, according to the steel strip threading method and the threading device of the present invention, any steel plate can be reliably threaded without catching the tip. The occurrence of troubles such as stoppages can be effectively avoided.

１ コイル
２ ペイオフリール
３ マグネットコンベア
３１ マグネット
４ ピンチロール
５ レベラ 1 Coil 2 Payoff reel 3 Magnet conveyor 31 Magnet 4 Pinch roll 5 Leveler

Claims (2)

プロセスラインの入側におけるストリップ通板時に、ペイオフリールに装着されたコイルの先端をマグネットコンベアで吸着してピンチロールへ導く鋼帯の通板方法であって、
該マグネットコンベアの一端部を軸支し、該軸を中心として、他端部を下降させてペイオフリールに装着されたコイルの先端をマグネットコンベアに吸着させ、
その後マグネットコンベアに鋼帯を吸着させながら、該マグネットコンベアを、該軸を中心として他端部を上昇させつつ鋼帯を搬送し、コイルの先端をピンチロールへ通板させることを特徴とする鋼帯の通板方法。 A method of passing a steel strip that guides the tip of a coil mounted on a payoff reel to a pinch roll by sucking the tip of a coil mounted on a payoff reel at the time of strip passing on the entry side of the process line,
One end of the magnet conveyor is pivotally supported, the other end is lowered around the axis, and the tip of the coil attached to the payoff reel is attracted to the magnet conveyor,
The steel is then transported to the magnet conveyor while the other end of the magnet conveyor is raised about the shaft while the steel belt is attracted to the magnet conveyor, and the tip of the coil is passed through a pinch roll. How to pass the band. 該マグネットコンベアの略全面をコイル吸着面として形成したことを特徴とする請求項１記載の鋼帯の通板方法。   2. The method of passing a steel strip according to claim 1, wherein the substantially entire surface of the magnet conveyor is formed as a coil adsorption surface.
JP2010003851A 2010-01-12 2010-01-12 Steel strip passing method Active JP5240587B2 (en)

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CN109290374B (en) * 2018-10-10 2019-12-31 首钢智新迁安电磁材料有限公司 Strip head straightening method

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* Cited by examiner, † Cited by third party
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JPS4636504Y1 (en) * 1968-06-11 1971-12-15
JPS5992119A (en) * 1982-11-16 1984-05-28 Nippon Steel Corp Rewinding guide device of steel strip coil
JPS60257926A (en) * 1984-06-05 1985-12-19 Nippon Steel Corp Threading device in uncoiling equipment
JPH0160716U (en) * 1987-10-08 1989-04-18
JP2601954B2 (en) * 1991-06-26 1997-04-23 新日本製鐵株式会社 Automatic strip threading device and threading method on entry side of process line
JP2520643Y2 (en) * 1991-10-08 1996-12-18 新日本製鐵株式会社 Steel strip entry side plate passing device
JP4332053B2 (en) * 2004-03-30 2009-09-16 新日本製鐵株式会社 Steel strip coil rewind guide device
JP4825618B2 (en) * 2006-08-09 2011-11-30 日新製鋼株式会社 Steel strip unwinding guide device on the entrance side of the continuous strip treatment line

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