JPH03200619A - Steel conveyance control method for heating furnace - Google Patents
Steel conveyance control method for heating furnaceInfo
- Publication number
- JPH03200619A JPH03200619A JP34392989A JP34392989A JPH03200619A JP H03200619 A JPH03200619 A JP H03200619A JP 34392989 A JP34392989 A JP 34392989A JP 34392989 A JP34392989 A JP 34392989A JP H03200619 A JPH03200619 A JP H03200619A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- moving beam
- steel material
- detected
- detector
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 68
- 239000010959 steel Substances 0.000 title claims abstract description 68
- 238000010438 heat treatment Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims abstract description 57
- 238000000605 extraction Methods 0.000 claims description 22
- 238000010586 diagram Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ウオーキングビーム式加熱炉における鋼材の
搬送制御法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for controlling the conveyance of steel materials in a walking beam heating furnace.
〔従来の技術］
分塊工場で粗圧延された鋼片又は連続鋳造された鋳片を
最終製品に圧延するため、その目的に応じた所定の温度
に再加熱するのが加熱炉である。[Prior Art] In order to roll steel slabs that have been roughly rolled or continuously cast in a blooming factory into final products, a heating furnace is used to reheat them to a predetermined temperature depending on the purpose.
この加熱炉の一種にウオーキングビーム式加り炉がある
。これは、炉内に固定ビームと移動ビームを配置し、こ
の移動ビームを円形あるいは矩形状に周期運動させて、
炉内鋼材を順次移送するものである。One type of heating furnace is a walking beam heating furnace. This involves arranging a fixed beam and a moving beam in the furnace, and moving the moving beam periodically in a circular or rectangular shape.
This is to sequentially transfer the steel materials inside the furnace.
このウオーキングビーム式加熱炉においては、装入ブツ
シャ等によって所定の装入位置に装入された鋼材は前後
移動ビームの周期運動によって抽出側に搬送されるが、
鋼材の搬送については下記の二つの機能を必要とする。In this walking beam type heating furnace, the steel material charged to a predetermined charging position by a charging button or the like is conveyed to the extraction side by the periodic movement of the back-and-forth moving beam.
Conveying steel materials requires the following two functions.
（１）鋼材の炉内装入間隔は生産量や鋼種等で決定され
る所定の値を保つこと。(1) The interval at which steel materials are introduced into the furnace must be maintained at a predetermined value determined by production volume, steel type, etc.
（２）炉内の鋼材の先頭鋼材をエキストラクタで容易に
抽出できるよう、所定の抽出位置に停止させること。(2) The extractor should be stopped at a predetermined extraction position so that the leading steel material in the furnace can be easily extracted by the extractor.
上記の二つの機能を有する従来の搬送制御方式を第３図
により説明する。第３図は、エキストラクタ２６によっ
て抽出位置にあった鋼材Ｗ。、ｌ が抽出され、抽出ロ
ーラテーブル２５の上に置かれようとしている状態であ
る。装入位置；ごは、装入ローラ２２上の調材Ｗ。が装
入ブツシャ２１によってｗＩの位置に装入されている。A conventional conveyance control system having the above two functions will be explained with reference to FIG. FIG. 3 shows the steel material W in the extraction position by the extractor 26. , l are about to be extracted and placed on the extraction roller table 25. Charging position: Rice is the prepared material W on the charging roller 22. is loaded at the wI position by the charging busher 21.
この状態から移動ビーム２３は上昇して前進を開始する
。From this state, the moving beam 23 rises and starts moving forward.
第３図の例では、抽出側に近い鋼材の鋼材間隔はＴＰ２
であり、装入側の鋼材間隔はＴＰＩであり、ＴＰ ２
＜ＴＰ １となっている。この状態で固定ヒーム２４の
上の鋼材Ｗ１〜Ｗ、、は移動ビーム２３によって持ち上
げられ、前進し、下降し、固定ビーム２４上に置かれる
。このとき、全ての鋼材Ｗ＋〜Ｗｏ は移動ビーム２３
の動作前の間隔を保って前進移動する。In the example in Figure 3, the steel spacing of the steel near the extraction side is TP2.
, the steel spacing on the charging side is TPI, and TP 2
<TP 1. In this state, the steel members W1 to W, on the fixed beam 24 are lifted by the moving beam 23, moved forward, lowered, and placed on the fixed beam 24. At this time, all the steel materials W+~Wo are moving beams 23
Move forward while maintaining the distance before the operation.
ここで問題は、移動ビーム２３の前進移動量をどのよう
に制ｉ卸するかである。従来の方式では、炉内の全ての
鋼材の装入位置を基準とする位置ｚＩ。The problem here is how to control the amount of forward movement of the moving beam 23. In the conventional method, the position zI is based on the charging position of all steel materials in the furnace.
Ｘ２＋・・・Ｉ ｘｌｌ−１＋ ｘｈをトラッキング
している。X2+...I xll-1+ xh is tracked.
第３図の例では、搬送制御を円滑に行うためには、下記
の要件が要求される。In the example of FIG. 3, the following requirements are required in order to perform conveyance control smoothly.
（１）装入側の鋼材間隔をＴＰＩとするためには、移動
ビーム２３はＴＰＩ移動する必要がある。(1) In order to set the steel material spacing on the charging side to TPI, the moving beam 23 needs to move by TPI.
（２）先頭材Ｗゎを抽出位置に搬送するためには、移動
ビーム２３はＴＰ２移動する必要がある。(2) In order to convey the leading material W to the extraction position, the moving beam 23 needs to move by TP2.
ＴＰ １ ＞ＴＰ ２であるので、移動ビーム２３は２
回前進動作をする必要がある。Since TP 1 > TP 2, the moving beam 23 is 2
It is necessary to make forward movement.
そして、次のように搬送制御される。Then, the conveyance is controlled as follows.
（１）先頭材Ｗ。と抽出位置までの距離（Ｌ−ｘＪだけ
移動ビーム２３を移動。(1) Leading material W. Move the moving beam 23 by the distance (L-xJ) to the extraction position.
（２） エキストラクタ２６によって先頭材Ｗ１を抽
出。(2) The extractor 26 extracts the leading material W1.
（３）装入側の鋼材間隔ＴＰＩを確保するために、（Ｔ
ＰＩ−Ｌ＋ｘ、） だけ移動ビーム２３を移動。(3) To ensure the steel spacing TPI on the charging side, (T
Move the moving beam 23 by PI-L+x,).
以上の説明のように、従来方式では炉内の全ての鋼材に
ついて、装入位置を基準とした位置χ。As explained above, in the conventional method, the position χ of all steel materials in the furnace is determined based on the charging position.
ｘｌ・・・、χＲ−１＋Ｘイをトラッキングする必要が
あり、その制御が非常に複雑であった。また、移動ビー
ムで搬送中のショックや炉内の偏熱曲がり等によって鋼
材が転倒した場合、トラッキングしている鋼材の位置と
実際の鋼材の位置に誤差が生じ、制御不能となり、極端
な場合は機械の破損にもつながるという問題点を有して
いた。It is necessary to track xl..., χR-1+Xi, and its control is extremely complicated. In addition, if the steel material falls due to a shock while being transported by the moving beam or due to uneven heat bending in the furnace, an error will occur between the tracked steel material position and the actual steel material position, resulting in loss of control and, in extreme cases, This has the problem of causing damage to the machine.
本発明は、このような従来方式の問題点であった鋼材の
トラッキングを不要とし、確実な搬送制御を実現する方
法を提供することを目的とする。An object of the present invention is to provide a method that eliminates the need for tracking steel materials, which is a problem with the conventional method, and realizes reliable conveyance control.
この目的を達成するため、本発明は、ウオーキングビー
ム式加熱炉の鋼材搬送制御法において、移動ビームの前
進移動量を検出する検出器と、炉内抽出位置における鋼
材の有無を検出する鋼材検出器とを設け、前記移動ビー
ムの前進移動量検出器の信号により装入鋼材が所定の鋼
材間隔だけ移動したことを検出したとき、または前記抽
出位置での鋼材検出器によって鋼材が抽出位置に到達し
たことを検出したときに、前記移動ビームの前進動を停
止させることを特徴とする。In order to achieve this object, the present invention provides a steel material conveyance control method for a walking beam heating furnace. and when it is detected by the signal of the forward movement amount detector of the moving beam that the charged steel material has moved by a predetermined steel material interval, or when the steel material has reached the extraction position by the steel material detector at the extraction position. When this is detected, the forward movement of the moving beam is stopped.
本発明では、鋼材の抽出位置が固定されている点に着眼
し、一定の抽出位置に停止させるために抽出位置に鋼材
検出器を設けることによって従来の問題点を解決するも
のである。The present invention focuses on the fact that the steel material extraction position is fixed, and solves the conventional problems by providing a steel material detector at the extraction position in order to stop the steel material at a fixed extraction position.
第１図に基づいて本発明の詳細な説明する。The present invention will be explained in detail based on FIG.
抽出位置手前αの所に抽出位置停止用の鋼材検出器３を
設置する。αは移動ビームｌの制動距離である。移動ビ
ーム１は、まず設定された鋼材間隔ＴＰＩだけ移動しよ
うとする。もし先頭鋼材Ｗ１を抽出位置まで移動させる
ために必要な移動ビームｌの移動量ＴＰ２がＴＰＩより
も小さいときは、第１図における鋼材検出器３によって
抽出鋼材Ｗ。A steel detector 3 for stopping the extraction position is installed at a position α in front of the extraction position. α is the braking distance of the moving beam l. The moving beam 1 first tries to move by the set steel spacing TPI. If the movement amount TP2 of the moving beam l required to move the leading steel material W1 to the extraction position is smaller than TPI, the steel material detector 3 in FIG. 1 detects the extracted steel material W.
が検出され、移動ビーム１の前進動は停止する。is detected, and the forward motion of the moving beam 1 is stopped.
その結果、移動ビーム１は、装入位置の鋼材Ｗ１の鋼材
間隔ＴＰＩに到達せず、停止することになる。この状態
で、エキストラクタ（第３図の２６参照）によって抽出
鋼材Ｗｌ、が払い出されると、移動ビームｌは設定され
た鋼材Ｍ隔ＴＰＩの残り分前進し、１サイクルを完了す
る。As a result, the moving beam 1 does not reach the steel material interval TPI between the steel materials W1 at the charging position and stops. In this state, when the extracted steel material Wl is discharged by the extractor (see 26 in FIG. 3), the moving beam I moves forward by the remainder of the set steel material interval TPI, completing one cycle.
以下、本発明を実施例に基づいて具体的に説明する。 Hereinafter, the present invention will be specifically explained based on Examples.
第２図は本発明の実施例を示すブロック図である。同図
において、移動ビーム１は駆動モータ４によって駆動さ
れ、リンク機構によって水平運動を行う。駆動モータ４
は駆動制御装置５より電力を供給される。装入側鋼材の
間隔ＴＰＩはディジタルスイッチ等の鋼材間隔設定器１
１で設定される。FIG. 2 is a block diagram showing an embodiment of the present invention. In the figure, a moving beam 1 is driven by a drive motor 4 and horizontally moves by a link mechanism. Drive motor 4
is supplied with power from the drive control device 5. The interval TPI of the steel materials on the charging side is determined by the steel material interval setting device 1 such as a digital switch.
Set to 1.
移動ビーム１の位ｒＥ！、（前後移動量）は、位置検出
器９によって検出される。本実施例では、位置検出器９
としてパルス発生器を使用し、パルス発生器のパルスは
カウンタ１０によってカウントされ、移動ビーム１の位
置を検出している。Moving beam 1 place rE! , (back-and-forth movement amount) are detected by the position detector 9. In this embodiment, the position detector 9
A pulse generator is used as a pulse generator, and the pulses of the pulse generator are counted by a counter 10 to detect the position of the moving beam 1.
鋼材間隔設定器１１で設定された鋼材間隔ＴＰＩ（設定
前進移動量）とカウンタ１０によって計数された移動ビ
ーム１の位置（実前進移動量）を比較器１２により比較
し、位置が一致すると、比較器１２の出力によって停止
指令リレー１３を作動させ、移動ビーム１の前進動を停
止させる。一方、抽出材Ｗ７が抽出位置手前αの位置に
あることを鋼材検出器３によって検知し、その出力によ
り停止指令リレー１４を作動させる。移動ビーム１の前
進指令６は、オペレータ又はエキストラクタの抽出完了
信号によって与えられる。前進信号は前進指令６によっ
て電気的にメモリされ、前記の停止指令リレー１３又は
１４の停止指令によってオフされる。The comparator 12 compares the steel interval TPI (set forward movement amount) set by the steel interval setting device 11 and the position (actual forward movement amount) of the moving beam 1 counted by the counter 10, and when the positions match, the comparison is made. The stop command relay 13 is actuated by the output of the device 12, and the forward motion of the moving beam 1 is stopped. On the other hand, the steel material detector 3 detects that the extraction material W7 is at a position α before the extraction position, and the stop command relay 14 is actuated by its output. The advance command 6 of the moving beam 1 is given by an extraction completion signal from the operator or extractor. The forward signal is electrically memorized by the forward command 6, and is turned off by the stop command from the stop command relay 13 or 14.
前進指令６は前記の駆動制御装置５に与えられ、駆動モ
ータ４を制御する。The forward movement command 6 is given to the drive control device 5, which controls the drive motor 4.
以上に述べたように、本発明では、加熱炉の抽出位置に
おける鋼材の有無を検出する鋼材検出器を設け、鋼材が
鋼材検出器に到達するまでの炉内の経路に関係なく抽出
位置に鋼材が到達したときに移動ビームの前進動を停止
させるようにしている。このため、炉内の鋼材のトラッ
キングを必要とせず、また炉内で鋼材が転倒した場合等
、鋼材間隔にずれが生じても無関係に炉内鋼材を安定し
て搬送することができる。As described above, in the present invention, a steel material detector is provided to detect the presence or absence of steel material at the extraction position of the heating furnace. The forward motion of the moving beam is stopped when the beam reaches the target. Therefore, there is no need to track the steel materials in the furnace, and the steel materials in the furnace can be stably transported regardless of a deviation in the interval between steel materials, such as when the steel materials fall in the furnace.
第１図は本発明の概要を示す説明図、第２図は本発明の
実施例を示すブロック図、第３図は従来の制御法を示す
ブロック図である。
１：移動ビーム ２：固定ビーム３：鋼材検出器
４：駆動モータ５：駆動制御装置 ６：前
進指令
７：後退指令
９：位置検出器
１１：鋼材間隔設定器
１３．１４：停止指令リレー
Ｗ、；装入鋼材
８；前進指令リレー
１０；カウンタ
１２：比較器
Ｗｏ：抽出鋼材FIG. 1 is an explanatory diagram showing an overview of the present invention, FIG. 2 is a block diagram showing an embodiment of the invention, and FIG. 3 is a block diagram showing a conventional control method. 1: Moving beam 2: Fixed beam 3: Steel material detector 4: Drive motor 5: Drive control device 6: Forward command 7: Backward command 9: Position detector 11: Steel material interval setting device 13.14: Stop command relay W, ;Charging steel material 8;Advance command relay 10;Counter 12:Comparator Wo:Extracting steel material
Claims (1)
いて、移動ビームの前進移動量を検出する検出器と、炉
内抽出位置における鋼材の有無を検出する鋼材検出器と
を設け、前記移動ビームの前進移動量検出器の信号によ
り装入鋼材が所定の鋼材間隔だけ移動したことを検出し
たとき、または前記抽出位置での鋼材検出器によって鋼
材が抽出位置に到達したことを検出したときに、前記移
動ビームの前進動を停止させることを特徴とする加熱炉
の鋼材搬送制御法。1. In a steel material transfer control method for a walking beam heating furnace, a detector for detecting the amount of forward movement of a moving beam and a steel material detector for detecting the presence or absence of steel material at an extraction position in the furnace are provided, and the forward movement of the moving beam is provided. When it is detected that the charged steel material has moved by a predetermined distance between steel materials based on the signal of the movement amount detector, or when it is detected that the steel material has reached the extraction position by the steel material detector at the extraction position, the movement of the steel material is performed. A method for controlling the conveyance of steel in a heating furnace, which is characterized by stopping the forward motion of a beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34392989A JPH03200619A (en) | 1989-12-27 | 1989-12-27 | Steel conveyance control method for heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34392989A JPH03200619A (en) | 1989-12-27 | 1989-12-27 | Steel conveyance control method for heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03200619A true JPH03200619A (en) | 1991-09-02 |
Family
ID=18365338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34392989A Pending JPH03200619A (en) | 1989-12-27 | 1989-12-27 | Steel conveyance control method for heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03200619A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012028347A1 (en) * | 2010-09-02 | 2012-03-08 | SSI Schäfer Noell GmbH Lager- und Systemtechnik | Positioning conveyor, storage system and method for picking up piece goods from a conveyor |
| CN103695627A (en) * | 2014-01-15 | 2014-04-02 | 中冶华天南京自动化工程有限公司 | System for tracking and positioning positions of steel blanks in heating furnace |
| CN104178622A (en) * | 2014-08-22 | 2014-12-03 | 重庆钢铁集团电子有限责任公司 | Walking beam control method of regenerative stepping reheating furnace |
| WO2024055375A1 (en) * | 2022-09-14 | 2024-03-21 | 鞍钢集团北京研究院有限公司 | Steel feeding rhythm optimization control method and system for heating-free direct-rolled high-temperature square billet |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5019611A (en) * | 1973-06-22 | 1975-03-01 | ||
| JPS61178316A (en) * | 1985-01-31 | 1986-08-11 | Mitsubishi Electric Corp | Method of stopping steel piece at fixed position |
-
1989
- 1989-12-27 JP JP34392989A patent/JPH03200619A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5019611A (en) * | 1973-06-22 | 1975-03-01 | ||
| JPS61178316A (en) * | 1985-01-31 | 1986-08-11 | Mitsubishi Electric Corp | Method of stopping steel piece at fixed position |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012028347A1 (en) * | 2010-09-02 | 2012-03-08 | SSI Schäfer Noell GmbH Lager- und Systemtechnik | Positioning conveyor, storage system and method for picking up piece goods from a conveyor |
| CN103695627A (en) * | 2014-01-15 | 2014-04-02 | 中冶华天南京自动化工程有限公司 | System for tracking and positioning positions of steel blanks in heating furnace |
| CN104178622A (en) * | 2014-08-22 | 2014-12-03 | 重庆钢铁集团电子有限责任公司 | Walking beam control method of regenerative stepping reheating furnace |
| WO2024055375A1 (en) * | 2022-09-14 | 2024-03-21 | 鞍钢集团北京研究院有限公司 | Steel feeding rhythm optimization control method and system for heating-free direct-rolled high-temperature square billet |
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