JPH0515921A - Automatic deceleration control device - Google Patents
Automatic deceleration control deviceInfo
- Publication number
- JPH0515921A JPH0515921A JP3192755A JP19275591A JPH0515921A JP H0515921 A JPH0515921 A JP H0515921A JP 3192755 A JP3192755 A JP 3192755A JP 19275591 A JP19275591 A JP 19275591A JP H0515921 A JPH0515921 A JP H0515921A
- Authority
- JP
- Japan
- Prior art keywords
- deceleration
- control device
- speed
- length
- rolled material
- 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
Links
Landscapes
- Winding, Rewinding, Material Storage Devices (AREA)
- Control Of Metal Rolling (AREA)
Abstract
(57)【要約】
【目的】 減速開始後に、搬送速度，減速率又は後進率
が変動しても、減速完了後における巻戻しリールに巻れ
た圧延材料の残りの長さをほぼ目標の長さに一致させる
ことができる自動減速制御装置を得ることを目的とす
る。
【構成】 演算装置より減速指令が出力された後、その
演算装置に演算された送り長と残り長との差が所定範囲
外となったとき速度制御装置の減速率を調整する減速率
調整装置を設けたものである。
(57) [Summary] [Purpose] Even after the start of deceleration, the remaining length of the rolled material wound on the rewinding reel after completion of deceleration is almost the target length even if the conveyance speed, deceleration rate or reverse rate fluctuates. It is an object of the present invention to obtain an automatic deceleration control device that can be matched to the height. A deceleration rate adjusting device for adjusting a deceleration rate of a speed control device when a difference between a feed length calculated by the arithmetic device and a remaining length is out of a predetermined range after a deceleration command is output from the arithmetic device. Is provided.
Description
【０００１】[0001]
【産業上の利用分野】この発明は、特に鉄鋼プラントの
圧延ラインやプロセスライン等において、巻戻しリール
に材料を所定長残した状態で減速を完了する自動減速制
御装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic deceleration control device for completing deceleration with a material left on a rewinding reel for a predetermined length, particularly in a rolling line or a process line of a steel plant.
【０００２】[0002]
【従来の技術】図２は従来の自動減速制御装置を示す構
成図であり、図において、１は圧延材料、２は圧延材料
１をコイル状に巻いた巻戻しリール、３は巻戻しリール
２に巻れた圧延材料を圧延する圧延ロール、４は減速
機、５は減速機４を介して圧延ロール３を駆動する電動
機、６は電動機５を制御して圧延ロール３の速度を制御
する速度制御装置である。2. Description of the Related Art FIG. 2 is a block diagram showing a conventional automatic deceleration control device. In the figure, 1 is a rolled material, 2 is a rewind reel in which a rolled material 1 is wound in a coil shape, and 3 is a rewind reel 2. Rolls for rolling the rolled material wound on the roll 4, 4 is a speed reducer, 5 is an electric motor for driving the rolling roll 3 via the speed reducer 4, 6 is a speed for controlling the electric motor 5 to control the speed of the rolling roll 3. It is a control device.
【０００３】また、７は圧延材料１を案内するデフレク
タロール、８はデフレクタロール７に取り付けられ、デ
フレクタロール７の１回転を検出してパルスを発振する
パルス発振器、９は巻戻しリール２から圧延ロール３に
搬送される圧延材料１の搬送速度Ｖをパルス発振器８の
パルスに基づいて計測する速度計測装置、１０は電動機
５の軸に取り付けられ、圧延ロール３の１回転を検出し
てパルスを発振するパルス発振器、１１は減速機、１２
は減速機１１を介して巻戻しリール２を駆動する電動
機、１３は電動機１２の軸に取り付けられ、巻戻しリー
ル２の１回転を検出してパルスを発振するパルス発振
器、１４はパルス発振器１３及びパルス発振器８（パル
ス発振器１０を用いてもよいが、このときは後進率補正
が必要）のパルスに基づいて、巻戻しリール２が１回転
する間に搬送される圧延材料１の送り長を計測し、その
送り長を巻戻しリール２に巻れた圧延材料１の円周長Ｃ
A とする円周計測装置、１５はパルス発振器１３のパル
スに基づいて、巻戻しリール２に巻れた圧延材料１の巻
数Ｎを計測するラップカウンタである。Further, 7 is a deflector roll for guiding the rolled material 1, 8 is a pulse oscillator attached to the deflector roll 7, which detects one revolution of the deflector roll 7 and oscillates a pulse, and 9 is rolled from the rewinding reel 2. The speed measuring device 10 for measuring the conveying speed V of the rolled material 1 conveyed to the roll 3 based on the pulse of the pulse oscillator 8 is attached to the shaft of the electric motor 5 and detects one rotation of the rolling roll 3 to generate a pulse. An oscillating pulse oscillator, 11 is a speed reducer, 12
Is an electric motor that drives the rewind reel 2 via the speed reducer 11, 13 is a pulse oscillator that is attached to the shaft of the electric motor 12, detects one revolution of the rewind reel 2, and oscillates a pulse, and 14 is a pulse oscillator 13 and The feed length of the rolled material 1 conveyed while the rewinding reel 2 makes one revolution is measured based on the pulse of the pulse oscillator 8 (the pulse oscillator 10 may be used, but in this case, the backward movement rate correction is necessary). And the feed length is the circumferential length C of the rolled material 1 wound on the rewind reel 2.
A circumference measuring device denoted by A is a lap counter 15 which measures the number of turns N of the rolled material 1 wound on the rewind reel 2 based on the pulse of the pulse oscillator 13.
【０００４】また、１６は速度計測装置９に計測された
搬送速度Ｖ及び円周計測装置１４に計測された円周長Ｃ
A に基づいて、圧延ロール３の減速時における圧延材料
１の送り長Ｌと減速完了後における巻戻しリール２に巻
れた圧延材料１の残り長ＬRとの差を演算し、その差が
所定値になったとき速度制御装置６に減速指令を１７出
力する演算装置、１８は圧延方向を示す矢印である。Further, 16 is the conveying speed V measured by the speed measuring device 9 and the circumference length C measured by the circumference measuring device 14.
Based on A , the difference between the feed length L of the rolled material 1 when the rolling roll 3 is decelerated and the remaining length L R of the rolled material 1 wound on the rewind reel 2 after the deceleration is completed is calculated. An arithmetic unit for outputting a deceleration command 17 to the speed control device 6 when a predetermined value is reached, and 18 is an arrow indicating the rolling direction.
【０００５】次に動作について説明する。Next, the operation will be described.
【０００６】圧延開始後圧延を終了した際に、圧延材料
１が巻戻しリール２に多く残り過ぎたり、圧延材料１が
圧延ロール２から尻抜けすることがないように、圧延ロ
ール２の減速を制御する必要がある。そこで、従来のも
のは、まず、演算装置１６にて、速度計測装置９に計測
された圧延材料１の搬送速度Ｖに基づいて圧延ロール３
の減速時における圧延材料１の送り長Ｌを以下のように
演算する。After the start of rolling, when the rolling is completed, the rolling material 2 is decelerated so that the rolling material 1 does not remain on the rewinding reel 2 too much and the rolling material 1 does not slip out of the rolling roll 2. Need to control. Therefore, in the conventional one, first, the arithmetic unit 16 first rolls the rolling rolls 3 based on the transport speed V of the rolled material 1 measured by the speed measuring unit 9.
The feed length L of the rolled material 1 at the time of deceleration is calculated as follows.
【０００７】[0007]
【数１】 [Equation 1]
【０００８】次に、円周計測装置１４に計測された圧延
材料１の円周長ＣA に基づいて、減速完了後における巻
戻しリール２に巻れた圧延材料１の残り長ＬR を以下の
ように演算する。Next, based on the circumferential length C A of the rolled material 1 measured by the circumferential measuring device 14, the remaining length L R of the rolled material 1 wound on the rewind reel 2 after completion of deceleration is Calculate as.
【０００９】[0009]
【数２】 [Equation 2]
【００１０】また、残り長ＬR は、巻戻しリール２に巻
れた圧延材料１の巻数Ｎをラップカウンタ１６で計測
し、その巻数Ｎに基づいても演算することができる。こ
の場合は、数２で演算したものより演算精度が高いが、
圧延開始当初においては演算できない場合がある。従っ
て、必要に応じて演算式を選択するようにしてもよい。The remaining length L R can also be calculated based on the number N of turns of the rolled material 1 wound on the rewind reel 2 by measuring the number N of turns with the lap counter 16. In this case, the calculation accuracy is higher than that calculated by Equation 2,
Calculation may not be possible at the beginning of rolling. Therefore, an arithmetic expression may be selected as needed.
【００１１】[0011]
【数３】 [Equation 3]
【００１２】次に、数１で演算された送り長Ｌと、数２
又は数３で演算された残り長ＬR との差をとり、その差
が所定値になったとき（以下に示す関係式が成立したと
き）演算装置１６が速度制御装置６に減速指令１７を出
力する。そして、速度制御装置６が電動機５を制御して
圧延ロール３を減速する。Next, the feed length L calculated by the equation 1 and the equation 2
Alternatively, the difference from the remaining length L R calculated by the equation 3 is calculated, and when the difference becomes a predetermined value (when the relational expression shown below is established), the calculation device 16 issues a deceleration command 17 to the speed control device 6. Output. Then, the speed control device 6 controls the electric motor 5 to decelerate the rolling roll 3.
【００１３】[0013]
【数４】 [Equation 4]
【００１４】[0014]
【発明が解決しようとする課題】従来の自動減速制御装
置は以上のように構成されているので、減速開始後に、
何らかの影響で搬送速度，減速率又は後進率が変動した
場合には、減速完了後における巻戻しリールに巻れた圧
延材料の残り長が所定値に一致しなくなるため、圧延材
料が巻戻しリールに多く残り過ぎたり、圧延材料が圧延
ロールから尻抜けしてしまうなどの課題があった。Since the conventional automatic deceleration control device is configured as described above, after deceleration starts,
If the transport speed, deceleration rate, or reverse rate fluctuates due to some influence, the remaining length of the rolled material wound on the rewind reel after completion of deceleration does not match the predetermined value. There were problems such as too much remaining and rolling material slipping out of the rolling roll.
【００１５】この発明は上記のような課題を解消するた
めになされたもので、減速開始後に、搬送速度，減速率
又は後進率が変動しても減速完了後における巻戻しリー
ルに巻れた圧延材料の残りをほぼ目標の長さに一致させ
ることができる自動減速制御装置を得ることを目的とす
る。The present invention has been made in order to solve the above problems, and even after the start of deceleration, the rolling wound on the rewinding reel after the deceleration is completed even if the conveying speed, the deceleration rate or the reverse rate changes. An object of the present invention is to obtain an automatic deceleration control device capable of making the rest of the material substantially match the target length.
【００１６】[0016]
【課題を解決するための手段】この発明に係る自動減速
制御装置は、演算装置より減速指令が出力された後、そ
の演算装置に演算された送り長と残り長との差が所定範
囲外となったとき速度制御装置の減速率を調整する減速
率調整装置を設けたものである。In the automatic deceleration control device according to the present invention, after the deceleration command is output from the arithmetic device, the difference between the feed length calculated by the arithmetic device and the remaining length is out of the predetermined range. In this case, a deceleration rate adjusting device for adjusting the deceleration rate of the speed control device is provided.
【００１７】[0017]
【作用】この発明における自動減速制御装置は、速度制
御装置の減速率を調整する減速率調整装置を設けたこと
により、減速完了後における巻戻しリールに巻れた圧延
材料の残り長がほぼ目標の長さに一致する。The automatic deceleration control device according to the present invention is provided with the deceleration rate adjustment device for adjusting the deceleration rate of the speed control device, so that the remaining length of the rolled material wound on the rewinding reel after the completion of deceleration is almost the target. Match the length of.
【００１８】[0018]
実施例１．以下、この発明の一実施例を図について説明
する。図１はこの発明の一実施例による自動減速制御装
置を示す構成図であり、図において、従来のものと同一
符号又は相当部分を示すので説明を省略する。Example 1. An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an automatic deceleration control device according to an embodiment of the present invention. In the figure, the same reference numerals or corresponding parts as those of the conventional one are shown, and therefore the description thereof will be omitted.
【００１９】１９は速度計測装置９に計測された搬送速
度Ｖ及び円周計測装置１４に計測された円周長ＣA に基
づいて、圧延ロール２の減速時における圧延材料１の送
り長Ｌと減速完了後における巻戻しリール２に巻れた圧
延材料１の残り長ＬR との差ΔＬを演算するとともに、
その差ΔＬが所定値になったとき速度制御装置６に減速
指令１７を出力する演算装置、２０は演算装置１９より
減速指令１７が出力された後、その演算装置１９に演算
された送り長Ｌと残り長ＬR との差ΔＬが所定範囲（正
常とみなす範囲）外となったとき速度制御装置６の減速
率αを調整する減速率調整装置、２１は減速率増減信号
である。Numeral 19 indicates the feed length L of the rolled material 1 when the rolling roll 2 is decelerated, based on the conveying speed V measured by the speed measuring device 9 and the circumferential length C A measured by the circumferential measuring device 14. The difference ΔL with the remaining length L R of the rolled material 1 wound on the rewinding reel 2 after the completion of deceleration is calculated, and
An arithmetic unit that outputs a deceleration command 17 to the speed control device 6 when the difference ΔL reaches a predetermined value, and a feed length L calculated by the arithmetic unit 19 after the deceleration command 17 is output from the arithmetic unit 19. Is a deceleration rate adjustment device for adjusting the deceleration rate α of the speed control device 6 when the difference ΔL between the remaining length L R and the remaining length L R is out of a predetermined range (a range considered to be normal).
【００２０】次に動作について説明する。Next, the operation will be described.
【００２１】演算装置１９が速度制御装置６に対して減
速指令１７を出力するまでは従来のものと同様であるた
め説明を省略する。この発明では、演算装置１９が減速
指令１７を出力した後も引き続き搬送速度Ｖ及び円周長
ＣA に基づいて送り長Ｌと残り長ＬR との差ΔＬを演算
し、減速が正常に行われているか否かを監視して合理性
をチェックする。即ち、減速が正常に行われていれば、
下記の式が成立することに着目するものである。Until the arithmetic unit 19 outputs the deceleration command 17 to the speed control unit 6, it is the same as the conventional one, and the explanation is omitted. In the present invention, even after the arithmetic unit 19 outputs the deceleration command 17, the difference ΔL between the feed length L and the remaining length L R is continuously calculated based on the transport speed V and the circumferential length C A , and deceleration is normally performed. Check for rationality by watching for breach. That is, if deceleration is normally performed,
It should be noted that the following formula holds.
【００２２】[0022]
【数５】 [Equation 5]
【００２３】具体的には、下記に示す関係式が成立する
場合には、減速が正常であるとみなして減速をそのまま
続行させ、成立しない場合には、減速に異常があるとみ
なして減速率調整装置２０が速度制御装置６の減速率を
以下のように調整する。Specifically, when the following relational expression is established, the deceleration is considered to be normal and the deceleration is continued as it is. The adjusting device 20 adjusts the deceleration rate of the speed control device 6 as follows.
【００２４】[0024]
【数６】 [Equation 6]
【００２５】 ΔＬ＋Ａが正の時→減速率を増加させる。 ΔＬ＋Ａが負の時→減速率を減少させる。When ΔL + A is positive → The deceleration rate is increased. When ΔL + A is negative → decrease the deceleration rate.
【００２６】従って、速度制御装置６は、最適の減速率
αをもって圧延ロール３を減速することになり、減速完
了後における巻戻しリール２に巻れた圧延材料１の残り
長ＬR がほぼ目標の長さに一致する。Therefore, the speed control device 6 decelerates the rolling roll 3 at the optimum deceleration rate α, and the remaining length L R of the rolled material 1 wound on the rewinding reel 2 after completion of deceleration is almost the target. Match the length of.
【００２７】実施例２．なお、上記実施例では、数６が
成立するか否かを判断して減速率を調整するものを示し
たが、下記に示す演算式より常に最適の減速率βを求
め、その減速率βにより減速するようにしてもよい。Example 2. In the above embodiment, the deceleration rate is adjusted by judging whether or not the equation 6 is satisfied. However, the optimum deceleration rate β is always obtained from the following arithmetic expression, and the deceleration rate β is determined by the deceleration rate β. You may make it slow down.
【００２８】[0028]
【数７】 [Equation 7]
【００２９】また、上記実施例では圧延ラインの巻戻リ
ールの場合について説明したが、同様の原理で行われる
プロセスライン等であってもよく、上記実施例と同様の
効果を奏する。Further, in the above embodiment, the case of the rewinding reel of the rolling line has been described, but it may be a process line or the like performed on the same principle, and the same effect as the above embodiment can be obtained.
【００３０】[0030]
【発明の効果】以上のように、この発明によれば演算装
置より減速指令が出力された後、その演算装置に演算さ
れた送り長と残り長との差が所定範囲外となったとき速
度制御装置の減速率を調整する減速率調整装置を設けた
ので、減速開始後に、搬送速度、減速率又は後進率が変
動しても、減速完了後における巻戻しリールに巻れた圧
延材料の残り長がほぼ目標の長さに一致するなどの効果
がある。As described above, according to the present invention, after the deceleration command is output from the arithmetic unit, when the difference between the feed length calculated by the arithmetic unit and the remaining length is out of the predetermined range, the speed is reduced. Since the deceleration rate adjusting device for adjusting the deceleration rate of the control device is provided, even if the transport speed, the deceleration rate, or the reverse rate changes after the deceleration starts, the remaining rolling material wound on the rewind reel after the deceleration is completed. There is an effect that the length almost matches the target length.
【図１】この発明の一実施例による自動減速制御装置を
示す構成図である。FIG. 1 is a configuration diagram showing an automatic deceleration control device according to an embodiment of the present invention.
【図２】従来の自動減速制御装置を示す構成図である。FIG. 2 is a configuration diagram showing a conventional automatic deceleration control device.
１ 圧延材料 ２ 巻戻しリール ３ 圧延ロール ６ 速度制御装置 ９ 速度計測装置 １４ 円周計測装置 １９ 演算装置 ２０ 減速率調整装置 DESCRIPTION OF SYMBOLS 1 Rolling material 2 Rewinding reel 3 Rolling roll 6 Speed control device 9 Speed measuring device 14 Circumference measuring device 19 Computing device 20 Deceleration rate adjusting device
Claims (1)
る圧延ロールと、上記圧延ロールの速度を制御する速度
制御装置と、上記巻戻しリールから上記圧延ロールに搬
送される圧延材料の搬送速度を計測する速度計測装置
と、上記巻戻しリールに巻れた圧延材料の円周長を計測
する円周計測装置と、上記速度計測装置に計測された搬
送速度及び円周計測装置に計測された円周長に基づい
て、上記圧延ロールの減速時における圧延材料の送り長
と減速完了後における上記巻戻しリールに巻れた圧延材
料の残り長との差を演算するとともに、その差が所定値
になったとき上記速度制御装置に減速指令を出力する演
算装置と、上記演算装置より減速指令が出力された後、
その演算装置に演算された送り長と残り長との差が所定
範囲外となったとき上記速度制御装置の減速率を調整す
る減速率調整装置とを備えた自動減速制御装置。Claim: What is claimed is: 1. A rolling roll for rolling a rolling material wound on a rewinding reel, a speed control device for controlling the speed of the rolling roll, and a conveying device from the rewinding reel to the rolling roll. A speed measuring device for measuring the conveying speed of the rolled material, a circumference measuring device for measuring the circumferential length of the rolled material wound on the rewind reel, and a conveying speed and a circle measured by the speed measuring device. Based on the circumferential length measured by the circumference measuring device, the difference between the feed length of the rolled material at the time of decelerating the rolling roll and the remaining length of the rolled material wound on the rewind reel after the deceleration is completed is calculated. Together with a computing device that outputs a deceleration command to the speed control device when the difference reaches a predetermined value, and a deceleration command is output from the computing device,
An automatic deceleration control device comprising: a deceleration rate adjustment device that adjusts the deceleration rate of the speed control device when the difference between the feed length calculated by the calculation device and the remaining length is out of a predetermined range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3192755A JPH0515921A (en) | 1991-07-08 | 1991-07-08 | Automatic deceleration control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3192755A JPH0515921A (en) | 1991-07-08 | 1991-07-08 | Automatic deceleration control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0515921A true JPH0515921A (en) | 1993-01-26 |
Family
ID=16296513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3192755A Pending JPH0515921A (en) | 1991-07-08 | 1991-07-08 | Automatic deceleration control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0515921A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170524A (en) * | 2013-03-18 | 2013-06-26 | 中冶南方（武汉）自动化有限公司 | turntable type high-speed reeling machine control method and system of cold continuous rolling production line |
| CN112912189A (en) * | 2018-10-31 | 2021-06-04 | 日本制铁株式会社 | Control system, control method, control device, and program |
| CN115518988A (en) * | 2022-09-16 | 2022-12-27 | 马鞍山钢铁股份有限公司 | Automatic control method for speed of rolling mill of pickling continuous rolling mill set |
| CN115846408A (en) * | 2022-12-23 | 2023-03-28 | 西门子（中国）有限公司 | Control method and device for metal foil rolling mill, electronic device and storage medium |
-
1991
- 1991-07-08 JP JP3192755A patent/JPH0515921A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170524A (en) * | 2013-03-18 | 2013-06-26 | 中冶南方（武汉）自动化有限公司 | turntable type high-speed reeling machine control method and system of cold continuous rolling production line |
| CN112912189A (en) * | 2018-10-31 | 2021-06-04 | 日本制铁株式会社 | Control system, control method, control device, and program |
| CN112912189B (en) * | 2018-10-31 | 2022-09-27 | 日本制铁株式会社 | Control system, control method, control device, and program |
| US11819895B2 (en) | 2018-10-31 | 2023-11-21 | Nippon Steel Corporation | Control system, control method, control device, and program |
| CN115518988A (en) * | 2022-09-16 | 2022-12-27 | 马鞍山钢铁股份有限公司 | Automatic control method for speed of rolling mill of pickling continuous rolling mill set |
| CN115846408A (en) * | 2022-12-23 | 2023-03-28 | 西门子（中国）有限公司 | Control method and device for metal foil rolling mill, electronic device and storage medium |
| CN115846408B (en) * | 2022-12-23 | 2026-03-13 | 西门子（中国）有限公司 | Control methods, devices, electronic equipment and storage media for metal foil rolling mills |
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