JP4816090B2 - Metal plate manufacturing method and manufacturing apparatus thereof - Google Patents

Metal plate manufacturing method and manufacturing apparatus thereof Download PDF

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JP4816090B2
JP4816090B2 JP2006004758A JP2006004758A JP4816090B2 JP 4816090 B2 JP4816090 B2 JP 4816090B2 JP 2006004758 A JP2006004758 A JP 2006004758A JP 2006004758 A JP2006004758 A JP 2006004758A JP 4816090 B2 JP4816090 B2 JP 4816090B2
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佳徳 弓削
秀和 須賀
義高 小見山
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JFE Steel Corp
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Description

本発明は切断機で各製品長さに切断して金属板を製造する方法および装置に関し、特に搬送装置で搬送する複数の金属板を切断機で同時に切断して異なる長さの製品を製造するのに好適な方法および装置に関する。   The present invention relates to a method and apparatus for manufacturing a metal plate by cutting each product length with a cutting machine, and in particular, a plurality of metal plates conveyed by a conveying device are simultaneously cut with a cutting machine to produce products of different lengths. The present invention relates to a method and apparatus suitable for the above.

厚板製品は仕上げ圧延された１枚の鋼板を、クロップシャ、サイドシャにより矩形にした後、スリッタ、エンドシャを順次通過させて所定の寸法に剪断される。   In a thick plate product, a finish-rolled sheet of steel is made rectangular by a cropper and a side shear, and then sequentially passed through a slitter and an end shear to be sheared to a predetermined size.

スリッタで所定製品幅に分割、通常２分割された鋼板（以下、分割鋼板）は、搬送ローラ上を並列搬送され、所定の製品長さにエンドシャーにより剪断されるが、製品長さが等しい場合は二つの分割鋼板を同時に剪断することができるが、製品長さが異なる場合は次のような方法で剪断される。   When steel plates divided into a predetermined product width by a slitter and usually divided into two (hereinafter referred to as divided steel plates) are transported in parallel on transport rollers and sheared to a predetermined product length by an end shear, but the product lengths are equal Can shear two divided steel plates at the same time, but if the product length is different, it is sheared by the following method.

１．エンドシャーの前まで並列に搬送されてきた分割鋼板のいずれかをクレーンなどで吊り上げ、一方の分割鋼板を所定長さに剪断後、クレーンで吊り上げていた他方の分割鋼板を搬送テーブルに降ろして、所定の長さとなるように搬送して剪断する方法（以下、方法１）、２．剪断機出側に設置したシャーゲージを所定の製品長さになるように移動させて処理する方法（以下、方法２）、３．搬送テーブルのローラを幅方向に２分割し、分割鋼板を個別に搬送する方法（以下、方法３、例えば、特許文献１）、４．剪断機入側で、分割鋼板の先端の位置を合わせて剪断し、材料試験のため、試験片を採取する場合は当該試験片の長さだけずらして剪断線を合わせる方法（以下、方法４、例えば、特許文献）、５．搬送テーブルの下方に幅方向に分割された複数のリフトブロックを設け、エンドシャの入り側テーブルで片方の鋼板をリフトブロックでリフティングして剪断線を合わせる方法（以下、方法５、例えば、特許文献３）などが提案されている。
特公昭６０−２０１３０号公報 特公昭６０−２０１２８号公報 特開平１１−９０７２８号公報 1. Lift one of the divided steel plates that have been transported in parallel until the end shear with a crane, etc., shear one split steel plate to a predetermined length, and then lower the other divided steel plate that has been lifted with the crane to the transport table, 1. A method of conveying and shearing to have a predetermined length (hereinafter, method 1); 2. A method of moving a shear gauge installed on the outlet side of a shearing machine to a predetermined product length (hereinafter, method 2). 3. A method of dividing the rollers of the conveyance table into two in the width direction and individually conveying the divided steel plates (hereinafter, method 3, for example, Patent Document 1). At the entrance of the shearing machine, the tip of the divided steel plate is aligned and sheared, and when a specimen is taken for a material test, a method of aligning the shear line by shifting the length of the specimen (hereinafter, method 4, For example, patent document), 5. A method in which a plurality of lift blocks divided in the width direction are provided below the transfer table, and one of the steel plates is lifted by the lift block on the entry side table of the endshaft to align the shear line (hereinafter, method 5, for example, Patent Document 3 ) Etc. have been proposed.
Japanese Patent Publication No. 60-20130 Japanese Patent Publication No. 60-20128 Japanese Patent Laid-Open No. 11-90728

上述した方法のうち、方法１は設備的負荷は生じないものの、処理時間が増加して生産性が低下する。方法２は、例えば、長さ１５ｍの鋼板を剪断後、長さ５ｍの鋼板を剪断する場合、シャーゲージを１０ｍ移動させることが必要となるなど、シャーゲージの設定に時間を要し、生産性が低下する。   Among the methods described above, Method 1 does not cause an equipment load, but the processing time increases and productivity decreases. Method 2, for example, when shearing a steel plate with a length of 15 m after shearing a steel plate with a length of 15 m, it takes time to set the shear gauge, such as moving the shear gauge by 10 m. Decreases.

方法３、５は、リフティング装置やリフトアップ装置を使用するのでいずれも生産性が低い。   The methods 3 and 5 use a lifting device or a lift-up device, so that the productivity is low.

また、方法３、４および５は搬送装置として、分割された搬送ロール（方法３）や、搬送ロールの間で下方から突出する複数のストッパー（方法４）や、リフトアップ装置（方法５）を、大掛かりな改造工事と高額な設備投資で設けることが必要で、これらを駆動する制御システムも構築しなければならない。   In addition, methods 3, 4 and 5 use a divided transport roll (method 3), a plurality of stoppers (method 4) protruding from below between the transport rolls, and a lift-up device (method 5) as a transport device. Therefore, it is necessary to install it with large-scale remodeling work and expensive capital investment, and a control system for driving these must also be constructed.

そこで、本発明は、搬送設備上を並列搬送される複数の金属板を同時に切断して、長さの異なる製品を効率的に製造する方法および装置を提供することを目的とする。   Then, an object of this invention is to provide the method and apparatus which cut | disconnect the several metal plate conveyed in parallel on a conveyance installation simultaneously, and manufacture efficiently the product from which length differs.

本発明の課題は以下の手段により達成可能である。
１．金属板の搬送手段上に、搬送方向に並列して載荷した複数枚の金属板を、同時に切断して長さの異なる金属板を製造する方法であって、
切断機の前方において、前記複数枚の金属板の各先端部と切断機の切断位置とからの距離を全て同じとした後、
前記複数枚の金属板を切断機の前方から後方に向けて搬送し、前記複数枚の金属板のうち切断長さが最も長いもの以外の金属板の移動をストッパーで停止させ、切断長さが最も長い金属板の搬送を継続して、２番目に切断長さが長いものとの切断長さの差の距離だけ移動させ、両者の切断線が一致したら２番目に切断長さが長いもののストッパーを開放して金属板の搬送を継続して、１番目と２番目と３番目に切断長さが長いものの切断線が一致したら３番目に切断長さが長いもののストッパーを開放するといったように切断線が一致するたびにストッパーを開放することを、全ての金属板の切断線が一致するまで繰り返し、
全ての金属板の切断線が切断機の切断位置に一致するまで搬送させた後、全ての金属板を同時に切断することを特徴とする金属板の製造方法。
２．金属板の搬送手段上に、搬送方向に並列して載荷した複数枚の金属板を、同時に切断して長さの異なる金属板を製造する方法であって、
前記複数枚の金属板を切断機の前方から後方に向けて搬送し、前記複数枚の金属板のうち切断長さが最も長いもの以外の金属板の移動をストッパーで停止させ、切断長さが最も長い金属板の搬送を継続して、２番目に切断長さが長いものとの切断長さの差の距離だけ移動させ、両者の切断線が一致したら２番目に切断長さが長いもののストッパーを開放して金属板の搬送を継続して、１番目と２番目と３番目に切断長さが長いものの切断線が一致したら３番目に切断長さが長いもののストッパーを開放するといったように切断線が一致するたびにストッパーを開放することを、全ての金属板の切断線が一致するまで繰り返し、
全ての金属板の切断線が切断機の切断位置に一致するまで搬送させた後、全ての金属板を同時に切断することを特徴とする金属板の製造方法。
３．前記搬送手段が搬送ロールであることを特徴とする１または２に記載の金属板の製造方法。
４．前記ストッパーが、固定配置してなることを特徴とする1から３のいずれかに記載の金属板の製造方法。
５．１または２において複数枚の金属板が２枚の場合であって、前記ストッパーを切断機の後方に固定配置して、金属板の先端に接触させて金属板の移動を停止させること特徴とする金属板の製造方法。
６．切断機が剪断機で、切断が剪断であることを特徴とする１乃至５のいずれか一つに記載の金属板の製造方法。
７．切断機と、切断機の前方と後方に配置され、金属板を並列に搬送する搬送手段と、
前記搬送手段上の金属板の搬送距離を測定する手段と、
前記搬送手段によって移動する金属板のいずれかを停止させるストッパーを備え、
前記金属板の搬送距離から切断位置を認識して搬送手段およびストッパーの動作を制御する手段を有することを特徴とする金属板の製造装置。
８．前記搬送手段が搬送ロールであることを特徴とする７に記載の金属板の製造装置。
９．前記ストッパーが、切断機の後方に固定配置され金属板の先端に接触して金属板の移動を停止させる機構を有していることを特徴とする７または８に記載の金属板の製造装置。
１０．切断機が剪断機で、切断が剪断であることを特徴とする７乃至９のいずれか一つに記載の金属板の製造装置。 The object of the present invention can be achieved by the following means.
1. A method of manufacturing metal plates having different lengths by simultaneously cutting a plurality of metal plates loaded in parallel in the transport direction on the metal plate transport means,
In the front of the cutting machine, after making all the distances from the respective tip portions of the plurality of metal plates and the cutting position of the cutting machine the same,
The plurality of metal plates are conveyed from the front to the rear of the cutting machine, and the movement of the metal plates other than the one with the longest cutting length among the plurality of metal plates is stopped by a stopper, and the cutting length is Continuing to transport the longest metal plate, move it by the distance of the difference in cutting length from the one with the second longest cutting length, and if the two cutting lines match, the stopper with the second longest cutting length Open the metal plate and continue to transport the metal plate. When the cutting lines of the first, second, and third are long, the third longest cutting length is opened and the stopper is opened. Open the stopper each time the lines match, repeat until all the metal plate cutting lines match,
A method of manufacturing a metal plate, comprising: cutting all metal plates simultaneously after transporting until all metal plate cutting lines coincide with a cutting position of a cutting machine.
2. A method of manufacturing metal plates having different lengths by simultaneously cutting a plurality of metal plates loaded in parallel in the transport direction on the metal plate transport means,
The plurality of metal plates are conveyed from the front to the rear of the cutting machine, and the movement of the metal plates other than the one with the longest cutting length among the plurality of metal plates is stopped by a stopper, and the cutting length is Continuing to transport the longest metal plate, move it by the distance of the difference in cutting length from the one with the second longest cutting length, and if the two cutting lines match, the stopper with the second longest cutting length Open the metal plate and continue to transport the metal plate. When the cutting lines of the first, second, and third are long, the third longest cutting length is opened and the stopper is opened. Open the stopper each time the lines match, repeat until all the metal plate cutting lines match,
A method of manufacturing a metal plate, comprising: cutting all metal plates simultaneously after transporting until all metal plate cutting lines coincide with a cutting position of a cutting machine.
3. The method for producing a metal plate according to 1 or 2, wherein the transport means is a transport roll.
4). 4. The method for producing a metal plate according to any one of 1 to 3, wherein the stopper is fixedly arranged.
5.1 or 2 in which there are two metal plates, and the stopper is fixedly arranged at the rear of the cutting machine and brought into contact with the tip of the metal plate to stop the movement of the metal plate. A method for producing a metal plate.
6). 6. The method for producing a metal plate according to any one of 1 to 5, wherein the cutting machine is a shearing machine and the cutting is shearing.
7). A cutting means, and a conveying means arranged in front and rear of the cutting machine to convey the metal plates in parallel;
Means for measuring the transport distance of the metal plate on the transport means;
Comprising a stopper for stopping any of the metal plates moved by the conveying means;
An apparatus for manufacturing a metal plate, comprising: means for recognizing a cutting position from a transport distance of the metal plate and controlling operations of a transport unit and a stopper.
8). 8. The apparatus for producing a metal plate according to 7, wherein the transport means is a transport roll.
9. The metal plate manufacturing apparatus according to 7 or 8, wherein the stopper has a mechanism that is fixedly disposed at the rear of the cutting machine and stops the movement of the metal plate by contacting the tip of the metal plate.
10. The metal plate manufacturing apparatus according to any one of 7 to 9, wherein the cutting machine is a shearing machine and the cutting is shearing.

本発明によれば、製品長さの異なる金属板を、１台の切断機で同時に切断して、異なる長さの金属板製品を効率よく製造することができるので産業上極めて有用である。   According to the present invention, metal plates with different product lengths can be simultaneously cut with a single cutting machine, and metal plate products with different lengths can be efficiently manufactured, which is extremely useful industrially.

以下、本発明を、切断を剪断機による剪断とし、二枚の鋼板を剪断する場合、次に三枚の鋼板を剪断する場合について図面を用いて詳細に説明する。   Hereinafter, the present invention will be described in detail with reference to the drawings, in which cutting is performed by a shearing machine and two steel plates are sheared, and then three steel plates are sheared.

図１は、本発明の二枚の鋼板を剪断する場合の一実施例に係る剪断設備を説明する模式図で、図において、１は鋼板の剪断設備、２はストッパー、３は剪断機、４は搬送装置、５は測長計、６は測長計演算器、７は制御装置、８、９は圧延後の板から所定の幅に剪断された分割鋼板で、２１ａ〜ｆはストッパーブロック、３１は剪断機上刃、３２は剪断機下刃を示す。   FIG. 1 is a schematic diagram for explaining a shearing equipment according to an embodiment when shearing two steel sheets according to the present invention. In the figure, 1 is a steel sheet shearing equipment, 2 is a stopper, 3 is a shearing machine, 4 Is a transport device, 5 is a length meter, 6 is a length meter calculator, 7 is a control device, 8 and 9 are divided steel plates sheared to a predetermined width from the rolled plate, 21a to f are stopper blocks, and 31 is A shearing machine upper blade, 32 indicates a shearing machine lower blade.

剪断機３は、スリッタで２分割された分割鋼板８、９を剪断線（所定の剪断位置のことを指す）で剪断するエンドシャーで、８１は分割鋼板８の製品１、８２は分割鋼板８の製品２、９１は分割鋼板９の製品１、９２は分割鋼板９の製品２、ａは製品１（８１）の剪断線、ｂは製品２（８２）の剪断線、ｃは製品１（９１）の剪断線、ｄは製品２（９２）の剪断線を示す。   The shearing machine 3 is an end shear that shears the divided steel plates 8 and 9 divided into two by a slitter with a shear line (refers to a predetermined shearing position), 81 is a product 1 of the divided steel plate 8, and 82 is a divided steel plate 8 Products 2 and 91 are products 1 of the divided steel plate 9, 92 are products 2 of the divided steel plate 9, a is a shear line of the product 1 (81), b is a shear line of the product 2 (82), and c is a product 1 (91 ) Shear line, d indicates the shear line of product 2 (92).

図示した鋼板の剪断設備１は、剪断機上刃３１と剪断機下刃３２を有する剪断機３と、搬送ロールで鋼板を搬送する搬送装置４を備え、搬送装置４は剪断機３の前方（搬送方向の上流側）と後方（搬送方向の下流側）に配置される。   The steel plate shearing equipment 1 shown in the figure includes a shearing machine 3 having a shearing machine upper blade 31 and a shearing machine lower blade 32, and a transporting device 4 for transporting the steel plate by a transporting roll. They are arranged on the upstream side in the transport direction) and rearward (downstream side in the transport direction).

剪断機３の後方側の搬送装置４は、搬送ロールの回転を止めることなく、鋼板を静止させることが可能なストッパー２を有する。ストッパー２は、搬送ロールの上方に配置され、軸方向に沿う、複数のストッパーブロック２１ａ〜ｆを有し、各ストッパーブロック２１ａ〜ｆは、静止させる鋼板の幅に応じて、図示しない機構により独立的に上下方向の位置が調整可能とする。   The conveying device 4 on the rear side of the shearing machine 3 has a stopper 2 that can stop the steel plate without stopping the rotation of the conveying roll. The stopper 2 is arranged above the transport roll and has a plurality of stopper blocks 21a to 21f along the axial direction. Each stopper block 21a to 21f is independent by a mechanism (not shown) according to the width of the steel plate to be stopped. Therefore, the vertical position can be adjusted.

剪断機３の前方側の搬送装置４により、分割鋼板８、９を同時に搬送しても、剪断機３の後方側において、分割鋼板８，９のそれぞれの幅に応じたストッパーブロック２１ａ〜ｆを下降させることにより、分割鋼板８，９を独立的に静止させることが可能である。   Even if the divided steel plates 8 and 9 are simultaneously conveyed by the conveying device 4 on the front side of the shearing machine 3, the stopper blocks 21a to 21f corresponding to the respective widths of the divided steel plates 8 and 9 are provided on the rear side of the shearing machine 3. By lowering, it is possible to make the divided steel plates 8 and 9 stand still independently.

この場合、搬送ローラは先に静止した分割鋼板に対しては空転し、ストッパーブロック２１ａ〜ｆが上方にある側の分割鋼板は更に搬送されるので、剪断機の剪断位置に、並列して搬送される分割鋼板の剪断線を揃えることが可能となる。   In this case, the conveying roller is idled with respect to the previously separated divided steel plate, and the divided steel plate on the side where the stopper blocks 21a to f are above is further conveyed, so that it is conveyed in parallel to the shearing position of the shearing machine. It is possible to align the shear lines of the divided steel plates.

制御装置７には、分割鋼板８，９の製品８１，８２、９１，９２の製品長さｌ1〜ｌ4と分割鋼板８，９の幅を予め、入力しておき、剪断機３の剪断位置に分割鋼板８，９の剪断線ａ〜ｄがくるように、測長計５からの信号に基づいて測長計演算器６で搬送距離を求めながら搬送ロールを制御するとともに、分割鋼板の幅に対応するようにストッパーブロック２１ａ〜ｆの昇降を制御する。 In the control device 7, the product lengths l 1 to l 4 of the products 81, 82, 91, 92 of the divided steel plates 8, 9 and the widths of the divided steel plates 8, 9 are input in advance, and the shear of the shearing machine 3 is input. While controlling the conveyance roll while obtaining the conveyance distance by the length measuring unit 6 based on the signal from the length measuring device 5 so that the shear lines a to d of the divided steel plates 8 and 9 come to the position, the width of the divided steel plate is adjusted. The elevation of the stopper blocks 21a to 21f is controlled so as to correspond.

以上のように本発明に係る、金属板の剪断装置は、剪断機と、剪断機の前方と後方に配置され、搬送ロールにより鋼板を搬送する搬送装置と、前記搬送装置上の鋼板の搬送距離を測定する測定器と、制御装置を備える。   As described above, the metal plate shearing device according to the present invention is a shearing machine, a transporting device that is disposed in front and rear of the shearing machine and transports a steel plate by a transporting roll, and a transporting distance of the steel plate on the transporting device. And a control device.

そして、剪断装置において剪断機の後方側には、搬送ロールが回転しても鋼板を静止させるストッパーを備え、前記ストッパーは二枚の鋼板のうち、所望のものを停止させられるように搬送ロール軸方向に分割されたストッパーブロックを有し、前記制御装置は、前記測定器による鋼板の移動量が所望する値となるように前記搬送ロールと前記ストッパーを制御する構成を有する。   In the shearing device, on the rear side of the shearing machine, a stopper is provided that stops the steel plate even when the transport roll rotates, and the stopper is configured to stop the desired one of the two steel plates. It has a stopper block divided in a direction, and the control device has a configuration for controlling the transport roll and the stopper so that the moving amount of the steel plate by the measuring device becomes a desired value.

ここで、ストッパーは、上記のように、剪断機の後方に固定配置して金属板の先端に接触させて金属板の移動を停止する機構にするのが、設備的および制御的に簡易で好ましい。また、鋼板であれば下方にマグネットを配置して鋼板の移動を停止する機構であってもよい。   Here, as described above, it is preferable in terms of equipment and control that the stopper is fixed and arranged at the rear of the shearing machine to stop the movement of the metal plate by contacting the tip of the metal plate. . Moreover, if it is a steel plate, the mechanism which arrange | positions a magnet below and stops the movement of a steel plate may be sufficient.

以下、本発明により、並列して搬送する分割鋼板８，９を剪断機３で同時に剪断して、長さの異なる製品とする手順について図２（ａ）〜（ｃ）を用いて具体的に説明する。   Hereinafter, according to the present invention, the divided steel plates 8 and 9 transported in parallel are simultaneously sheared by the shearing machine 3 to obtain products having different lengths, using FIG. 2 (a) to (c). explain.

分割鋼板８から剪断線ａで剪断し、長さｌ1の製品８１と、剪断線ｂで剪断し、長さｌ2の製品８２を採取し、分割鋼板９から剪断線ｃで剪断し、長さｌ3の製品９１と剪断線ｄで剪断し、長さｌ4の製品９２を採取する際、剪断線ａ（ｂ）と剪断線ｃ（ｄ）を同時に剪断機３で剪断する。尚、図２において図１と同じ符号は同じものを指すものとし、製品長さｌ1＜製品長さｌ3とする。 A product 81 having a length l 1 and a product 82 having a length l 2 are taken from a divided steel plate 8 by a shear line a, and a product 82 having a length l 2 is taken from the divided steel plate 9 and sheared by a shear line c. is sheared by the product 91 and shear line d of l 3, when collecting the product 92 of length l 4, shearing the shear line a (b) shear line c (d) is simultaneously shearing machine 3. In FIG. 2, the same reference numerals as those in FIG. 1 denote the same parts, and product length l 1 <product length l 3 .

尚、説明を容易とするため、剪断の際の配置における構成要素間の距離名称は図３で金属板８を代表して示すものとする。図１，２と同じ符号のものは同じものを指すものとする。ｅは剪断機３の剪断位置、ｄ１は剪断機３の剪断位置ｅと金属板８の剪断線ａとの距離で剪断長さと呼び、ｄ２は金属板８の先端から剪断機３の剪断位置ｅとの距離とする。手順１．剪断機３の前方において、分割鋼板８，９の先端部と剪断機３の剪断位置ｅとからの距離ｄ２を二枚で同じとする。例えば、分割鋼板８，９を並列して剪断機３の前方の搬送装置４に載荷したのち、分割鋼板８，９の両方の先端部を剪断位置ｅの少し下流まで搬送し、剪断機上刃３１と剪断機下刃３２で、分割鋼板８，９の両方の先端部を同時に剪断する。   For ease of explanation, the distance names between the components in the arrangement at the time of shearing are shown as a representative of the metal plate 8 in FIG. The same reference numerals as those in FIGS. 1 and 2 indicate the same elements. e is the shearing position of the shearing machine 3, d1 is the distance between the shearing position e of the shearing machine 3 and the shearing line a of the metal plate 8, and is called the shear length, and d2 is the shearing position e of the shearing machine 3 from the tip of the metal plate 8. And the distance. Procedure 1. In the front of the shearing machine 3, the distance d2 from the front ends of the divided steel plates 8 and 9 and the shearing position e of the shearing machine 3 is the same for the two sheets. For example, after the divided steel plates 8 and 9 are loaded in parallel on the conveying device 4 in front of the shearing machine 3, both ends of the divided steel plates 8 and 9 are conveyed to a slightly downstream side of the shearing position e, and the upper blade of the shearing machine is used. 31 and the shearing machine lower blade 32 simultaneously shear both ends of the divided steel plates 8 and 9.

手順２．分割鋼板８，９を同時に搬送開始して測長計５で搬送距離を測定する。   Procedure 2. The divided steel plates 8 and 9 are simultaneously conveyed, and the conveyance distance is measured by the length measuring device 5.

手順３．剪断機３の後方のストッパー２における分割鋼板８の幅に該当するストッパーブロック２１ｆ、２１ｅを分割鋼板８に接触する位置まで下降させる。   Procedure 3. Stopper blocks 21f and 21e corresponding to the width of the divided steel plate 8 in the stopper 2 at the rear of the shearing machine 3 are lowered to a position where they come into contact with the divided steel plate 8.

手順４．搬送装置４の搬送ロールを回転させ、分割鋼板８をストッパーブロック２１ｆ、２１ｅに接触させて静止させる（図２（ａ））。搬送ロールの回転は止めずに、製品長さｌ3と製品長さｌ1との差の距離だけ分割鋼板９を搬送して停止させる（図２（ｂ））。 Procedure 4. The conveyance roll of the conveyance device 4 is rotated, and the divided steel plate 8 is brought into contact with the stopper blocks 21f and 21e to be stationary (FIG. 2 (a)). Without stopping the rotation of the transport roll, the divided steel sheet 9 is transported and stopped by the distance of the difference between the product length l 3 and the product length l 1 (FIG. 2B).

手順５．ここで、分割鋼板８の剪断線ａと分割鋼板９の剪断線ｃは、剪断機３の剪断位置ｅに対して揃っているので、ストッパーブロック２１ｆ、２１ｅを上方に退避させた後、低速で搬送ロールを回転させ、分割鋼板８、９を一緒に距離ｄ１だけ搬送し、剪断線ａ，ｃを剪断機３の剪断位置ｅと一致させる（図２（ｃ））。   Procedure 5. Here, since the shear line a of the split steel plate 8 and the shear line c of the split steel plate 9 are aligned with respect to the shear position e of the shearing machine 3, the stopper blocks 21f and 21e are retracted upward, and then at low speed. The conveying roll is rotated to convey the divided steel plates 8 and 9 together by a distance d1, and the shear lines a and c are made to coincide with the shearing position e of the shearing machine 3 (FIG. 2 (c)).

手順６．剪断機３の剪断機上刃３１と剪断機下刃３２で、剪断線ａ，ｃを同時に剪断し、製品８１と製品９１の鋼板を得る。   Procedure 6. The shear lines a and c are simultaneously sheared by the shearing machine upper blade 31 and the shearing machine lower blade 32 of the shearing machine 3 to obtain the steel plates of the product 81 and the product 91.

手順７．手順２以降を準用し、分割鋼板９をストッパーブロックで静止させ、分割鋼板８の搬送を継続することで剪断線ｂ，ｄを揃えて同時に剪断する。   Step 7. The procedure 2 and the subsequent steps are applied mutatis mutandis, the divided steel plate 9 is stopped by the stopper block, and the conveyance of the divided steel plate 8 is continued so that the shear lines b and d are aligned and sheared simultaneously.

上述した手順において、分割鋼板８，９の搬送制御に必要な移動距離は、測長計５により測定するものとし、更に、当該測定値を用いて、分割鋼板８または９の先端をストッパーブロックに接触させる時は搬送速度を減速させてから接触させることが望ましい。   In the above-described procedure, the moving distance necessary for the conveyance control of the divided steel plates 8 and 9 is measured by the length meter 5, and further, the tip of the divided steel plates 8 or 9 is brought into contact with the stopper block using the measured value. It is desirable to reduce the conveying speed before making contact.

上記手順１において、剪断機３の前方で、分割鋼板８，９の先端部と剪断機３の剪断位置とからの距離を等しくしない場合は、分割鋼板８，９の剪断線と剪断機の剪断位置ｅとの距離（分割鋼板８，９の先端部と剪断機３の剪断位置ｅとのそれぞれの距離に製品長さｌ3またはｌ1を加算した距離）を指す剪断長さが短い方を最初にストッパーで停止させ、その距離の差を上記手順４での分割鋼板９の移動距離に反映させることで本発明の目的を達成できる。 In the above procedure 1, in the case where the distances between the front ends of the divided steel plates 8 and 9 and the shear position of the shear machine 3 are not equal in front of the shearing machine 3, the shear line of the divided steel sheets 8 and 9 and the shearing force of the shearing machine are used. The one with the shorter shear length indicating the distance to the position e (the distance obtained by adding the product length l 3 or l 1 to the distance between the tip of the divided steel plates 8 and 9 and the shear position e of the shearing machine 3) The object of the present invention can be achieved by first stopping with a stopper and reflecting the difference in the distance to the moving distance of the divided steel sheet 9 in the procedure 4.

次に、本発明により、並列して搬送する分割鋼板１０，１１、１２を剪断機３で同時に剪断して、長さの異なる製品とする手順について図４（ａ）〜（ｈ）を用いて具体的に説明する。   Next, according to the present invention, the divided steel plates 10, 11 and 12 conveyed in parallel are simultaneously sheared by the shearing machine 3 to obtain products having different lengths using FIGS. 4 (a) to (h). This will be specifically described.

図４において、１０、１１、１２は分割鋼板、１０ｃ、１１ｃ、１２ｃは剪断線、ｌ1は分割鋼板１０の製品長さ、ｌ2は分割鋼板１１の製品長さ、ｌ3は分割鋼板１２の製品長さで、点線ｅは剪断機３（図では省略）の剪断位置、点線ｆはストッパーの停止位置、２１ａ，２１ｂはストッパーブロックを示す。尚、製品長さはｌ1＜ｌ3＜ｌ2とする剪断線１１ｃで剪断し、長さｌ2の製品を採取し、分割鋼板１２から剪断線１２ｃで剪断し、長さｌ3の製品を採取する際、剪断線１０ｃ、剪断線１１ｃ及び剪断線１２ｃを同時に剪断機３（図では省略）の剪断位置ｅで剪断する場合について説明する。 4, 10, 11, and 12 are divided steel plates, 10 c, 11 c, and 12 c are shear lines, l 1 is the product length of the divided steel plate 10, l 2 is the product length of the divided steel plate 11, and l 3 is the divided steel plate 12. The dotted line e indicates the shearing position of the shearing machine 3 (not shown), the dotted line f indicates the stop position of the stopper, and 21a and 21b indicate the stopper block. Incidentally, the product length is sheared at a shear line 11c to l1 <l3 <l2, collected product length l 2, sheared at a shear line 12c from the split steel plate 12, and collecting the product of the length l 3 At this time, a case will be described in which the shear line 10c, the shear line 11c, and the shear line 12c are simultaneously sheared at the shear position e of the shearing machine 3 (not shown).

手順１．分割鋼板１０，１１，１２の先端部を剪断位置ｅに揃える（図４（ａ））。   Procedure 1. The front ends of the divided steel plates 10, 11, and 12 are aligned with the shearing position e (FIG. 4A).

手順２．剪断機の剪断機上刃と剪断機下刃の間を開放して、分割鋼板１０，１１，１２の先端部が揃った状態で、ストッパー停止位置ｆまで搬送する。この際、ストッパーで停止させても、測長計５で搬送距離を測定しても良い（図４（ｂ））。   Procedure 2. The space between the upper blade of the shearing machine and the lower blade of the shearing machine is opened, and the divided steel plates 10, 11, 12 are conveyed to the stopper stop position f in a state where the tips are aligned. At this time, even if it is stopped by a stopper, the conveyance distance may be measured by the length meter 5 (FIG. 4B).

手順３．製品長さｌ2が最も長い分割鋼板１１を除いた、分割鋼板１０、１２の先端にストッパーブロック２１ａ，２１ｂを置き、分割鋼板１１が搬送された際、先端位置が動かないようにする（図４（ｃ））。 Procedure 3. Products without the length l 2 longest split steel 11, the tip stopper blocks 21a of split steel 10, 12, puts 21b, split steel sheet 11 when delivered, so as not to move the tip positions (FIG. 4 (c)).

手順４．製品長さｌ2が最も長い分割鋼板１１の剪断線１１ｃと、製品長さｌ3が次に長い分割鋼板１２の剪断線１２ｃが一致するように、分割鋼板１１を搬送する（図４（ｄ））。 Procedure 4. And shear line 11c product length l 2 longest split steel 11, as the shear line 12c product length l 3 is then a long split steel 12 coincide, carrying a divided steel plate 11 (FIG. 4 (d )).

手順５．次に、分割鋼板１２の先端に置かれたストッパーブロック２１ｂを開放する。分割鋼板１０の先端に置かれたストッパーブロック２１ａは、開放しない（図４（ｅ））。   Procedure 5. Next, the stopper block 21b placed at the tip of the divided steel plate 12 is opened. The stopper block 21a placed at the tip of the divided steel plate 10 is not opened (FIG. 4 (e)).

手順６．この状態で、搬送装置の搬送ロール（図示しない）を回転させて、分割鋼板１０、１１、１２の剪断線１０ｃ，１１ｃ，１２ｃが一致するまで、分割鋼板１１、１２を搬送する。   Procedure 6. In this state, the transporting roll (not shown) of the transporting device is rotated to transport the divided steel plates 11 and 12 until the shear lines 10c, 11c, and 12c of the divided steel plates 10, 11, and 12 match.

分割鋼板１０はその先端がストッパーブロック２１ａで抑えられているので、分割鋼板１０に対しては搬送ロールは空転し、分割鋼板の剪断線１０ｃの位置は変わらず、剪断線１１ｃ，１２ｃが揃った状態で、剪断線１０ｃの位置まで移動する（図４（ｆ））。   Since the leading edge of the divided steel sheet 10 is held by the stopper block 21a, the conveyance roll is idle with respect to the divided steel sheet 10, the position of the shear line 10c of the divided steel sheet is not changed, and the shear lines 11c and 12c are aligned. In the state, it moves to the position of the shear line 10c (FIG. 4 (f)).

手順７．製品長さｌ1が最も短い分割鋼板１０の先端に置かれたストッパーブロック２１ａを開放する（図４（ｇ））。 Step 7. The stopper block 21a placed at the tip of the divided steel plate 10 having the shortest product length l 1 is opened (FIG. 4 (g)).

手順８．手順１〜７により、分割鋼板１０、１１、１２の剪断線１０ｃ、１１ｃ、１２ｃと剪断位置ｅと間隔が全て同じ距離となったので、搬送装置の搬送ロールを回転させて、剪断線１０ｃ、１１ｃ、１２ｃが剪断位置ｅと一致するまで全ての分割鋼板を搬送する（図４（ｈ））。   Procedure 8. According to procedures 1 to 7, the shear lines 10c, 11c, 12c of the divided steel plates 10, 11, 12 and the shear position e and the intervals are all the same distance, so the transport roll of the transport device is rotated, and the shear line 10c, All the divided steel plates are conveyed until 11c and 12c coincide with the shearing position e (FIG. 4 (h)).

上述した手順において、分割鋼板の搬送制御に必要な移動距離は、測長計５により測定するものとし、更に、当該測定値を用いて、分割鋼板の先端をストッパーブロックに接触させる時は搬送速度を減速させてから接触させることが望ましい。   In the above-described procedure, the moving distance required for the conveyance control of the divided steel plate is measured by the length meter 5. Further, when the measured value is used to bring the tip of the divided steel plate into contact with the stopper block, the conveyance speed is set. It is desirable to contact after slowing down.

上述した二つの実施例は鋼板を剪断機で剪断する場合に係わるものであるが、鋼板に限らず他の金属板であっても、また、剪断機以外のレーザー切断機など他の切断機を用いる場合であっても、切断機の前方において、切断する複数枚の金属板の各先端部と切断機の切断位置とからの距離を全て同じとする設備的工夫をすれば、本発明を適用できることは言うまでもない。   The two embodiments described above relate to the case where a steel plate is sheared by a shearing machine. However, the present invention is not limited to a steel sheet, and other metal plates may be used, and other cutting machines such as a laser cutting machine other than a shearing machine may be used. Even in the case of using the present invention, the present invention is applied to the front of the cutting machine if the equipment is devised so that the distances from the respective tip portions of the plurality of metal plates to be cut and the cutting position of the cutting machine are all the same. Needless to say, you can.

本発明例。Example of the present invention. 本発明例で（ａ）〜（ｃ）は二枚の分割鋼板を剪断する手順の一部を説明する図。(A)-(c) is a figure explaining a part of procedure which shears two division | segmentation steel plates by the example of this invention. 剪断設備における剪断機と鋼板の位置関係を説明する図。The figure explaining the positional relationship of the shear machine and steel plate in a shearing equipment. 本発明例で（ａ）〜（ｈ）は三枚の分割鋼板を剪断する手順の一部を説明する図。(A)-(h) is a figure explaining a part of procedure which shears three division | segmentation steel plates in the example of this invention.

符号の説明Explanation of symbols

１ 剪断装置
２ ストッパー
３ 剪断機
４ 搬送装置
５ 測長器
６ 測長計演算器
７ 制御装置
８、９，１０，１１ 分割鋼板
２１ａ、２１ｂ、２１ｃ、２１ｄ、２１ｅ，２１ｆ，２１ｇ，２１ｈ ストッパーブロック
３１ 剪断機上刃
３２ 剪断機下刃
８１、８２，９１、９２ 分割鋼板の製品
ａ、ｂ、ｃ、ｄ 剪断線
１０ｃ、１１ｃ、１２ｃ 剪断線
ｌ1、ｌ2、ｌ3、ｌ4 製品長さ
ｅ 剪断機の剪断位置
ｆ ストッパー位置
DESCRIPTION OF SYMBOLS 1 Shearing device 2 Stopper 3 Shearing machine 4 Conveying device 5 Length measuring device 6 Length measuring device calculator 7 Control device 8, 9, 10, 11 Split steel plate 21a, 21b, 21c, 21d, 21e, 21f, 21g, 21h Stopper block 31 product a shear machine blade 32 shears lower blade 81,82,91,92 split steel, b, c, d shear line 10c, 11c, 12c shear line l 1, l 2, l 3 , l 4 product length e Shearing position of shearing machine f Stopper position

Claims (10)

金属板の搬送手段上に、搬送方向に並列して載荷した複数枚の金属板を、同時に切断して長さの異なる金属板を製造する方法であって、
切断機の前方において、前記複数枚の金属板の各先端部と切断機の切断位置とからの距離を全て同じとした後、
前記複数枚の金属板を切断機の前方から後方に向けて搬送し、前記複数枚の金属板のうち切断長さが最も長いもの以外の金属板の移動をストッパーで停止させ、切断長さが最も長い金属板の搬送を継続して、２番目に切断長さが長いものとの切断長さの差の距離だけ移動させ、両者の切断線が一致したら２番目に切断長さが長いもののストッパーを開放して金属板の搬送を継続して、１番目と２番目と３番目に切断長さが長いものの切断線が一致したら３番目に切断長さが長いもののストッパーを開放するといったように切断線が一致するたびにストッパーを開放することを、全ての金属板の切断線が一致するまで繰り返し、
全ての金属板の切断線が切断機の切断位置に一致するまで搬送させた後、全ての金属板を同時に切断することを特徴とする金属板の製造方法。 A method of manufacturing metal plates having different lengths by simultaneously cutting a plurality of metal plates loaded in parallel in the transport direction on the metal plate transport means,
In the front of the cutting machine, after making all the distances from the respective tip portions of the plurality of metal plates and the cutting position of the cutting machine the same,
The plurality of metal plates are conveyed from the front to the rear of the cutting machine, and the movement of the metal plates other than the one with the longest cutting length among the plurality of metal plates is stopped by a stopper, and the cutting length is Continuing to transport the longest metal plate, move it by the distance of the difference in cutting length from the one with the second longest cutting length, and if the two cutting lines match, the stopper with the second longest cutting length Open the metal plate and continue to transport the metal plate. When the cutting lines of the first, second, and third are long, the third longest cutting length is opened and the stopper is opened. Open the stopper each time the lines match, repeat until all the metal plate cutting lines match,
A method of manufacturing a metal plate, comprising: cutting all metal plates simultaneously after transporting until all metal plate cutting lines coincide with a cutting position of a cutting machine. 金属板の搬送手段上に、搬送方向に並列して載荷した複数枚の金属板を、同時に切断して長さの異なる金属板を製造する方法であって、
前記複数枚の金属板を切断機の前方から後方に向けて搬送し、前記複数枚の金属板のうち切断長さが最も長いもの以外の金属板の移動をストッパーで停止させ、切断長さが最も長い金属板の搬送を継続して、２番目に切断長さが長いものとの切断長さの差の距離だけ移動させ、両者の切断線が一致したら２番目に切断長さが長いもののストッパーを開放して金属板の搬送を継続して、１番目と２番目と３番目に切断長さが長いものの切断線が一致したら３番目に切断長さが長いもののストッパーを開放するといったように切断線が一致するたびにストッパーを開放することを、全ての金属板の切断線が一致するまで繰り返し、
全ての金属板の切断線が切断機の切断位置に一致するまで搬送させた後、全ての金属板を同時に切断することを特徴とする金属板の製造方法。 A method of manufacturing metal plates having different lengths by simultaneously cutting a plurality of metal plates loaded in parallel in the transport direction on the metal plate transport means,
The plurality of metal plates are conveyed from the front to the rear of the cutting machine, and the movement of the metal plates other than the one with the longest cutting length among the plurality of metal plates is stopped by a stopper, and the cutting length is Continuing to transport the longest metal plate, move it by the distance of the difference in cutting length from the one with the second longest cutting length, and if the two cutting lines match, the stopper with the second longest cutting length Open the metal plate and continue to transport the metal plate. When the cutting lines of the first, second, and third are long, the third longest cutting length is opened and the stopper is opened. Open the stopper each time the lines match, repeat until all the metal plate cutting lines match,
A method of manufacturing a metal plate, comprising: cutting all metal plates simultaneously after transporting until all metal plate cutting lines coincide with a cutting position of a cutting machine. 前記搬送手段が搬送ロールであることを特徴とする請求項１または２に記載の金属板の製造方法。 The method for manufacturing a metal plate according to claim 1, wherein the transport unit is a transport roll. 前記ストッパーが、固定配置してなることを特徴とする請求項1から３のいずれかに記載の金属板の製造方法。   The method for manufacturing a metal plate according to any one of claims 1 to 3, wherein the stopper is fixedly arranged. 請求項１または２において複数枚の金属板が２枚の場合であって、前記ストッパーを切断機の後方に固定配置して、金属板の先端に接触させて金属板の移動を停止させること特徴とする金属板の製造方法。   3. The case of two or more metal plates according to claim 1 or 2, wherein the stopper is fixedly arranged at the rear of the cutting machine and brought into contact with the tip of the metal plate to stop the movement of the metal plate. A method for producing a metal plate. 切断機が剪断機で、切断が剪断であることを特徴とする請求項１乃至５のいずれか一つに記載の金属板の製造方法。 The metal plate manufacturing method according to any one of claims 1 to 5, wherein the cutting machine is a shearing machine and the cutting is shearing. 切断機と、切断機の前方と後方に配置され、金属板を並列に搬送する搬送手段と、
前記搬送手段上の金属板の搬送距離を測定する手段と、
前記搬送手段によって移動する金属板のいずれかを停止させるストッパーを備え、
前記金属板の搬送距離から切断位置を認識して搬送手段およびストッパーの動作を制御する手段を有することを特徴とする金属板の製造装置。 A cutting means, and a conveying means arranged in front and rear of the cutting machine to convey the metal plates in parallel;
Means for measuring the transport distance of the metal plate on the transport means;
Comprising a stopper for stopping any of the metal plates moved by the conveying means;
An apparatus for manufacturing a metal plate, comprising: means for recognizing a cutting position from a transport distance of the metal plate and controlling operations of a transport unit and a stopper. 前記搬送手段が搬送ロールであることを特徴とする請求項７に記載の金属板の製造装置。   The apparatus for producing a metal plate according to claim 7, wherein the transport unit is a transport roll. 前記ストッパーが、切断機の後方に固定配置され金属板の先端に接触して金属板の移動を停止させる機構を有していることを特徴とする請求項７または８に記載の金属板の製造装置。   The metal plate manufacturing method according to claim 7 or 8, wherein the stopper has a mechanism that is fixedly disposed at the rear of the cutting machine and stops the movement of the metal plate by contacting the tip of the metal plate. apparatus. 切断機が剪断機で、切断が剪断であることを特徴とする請求項７乃至９のいずれか一つに記載の金属板の製造装置。 The metal plate manufacturing apparatus according to any one of claims 7 to 9, wherein the cutting machine is a shearing machine and the cutting is shearing.
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