JPH08132107A - Equipment for rolling metal plate - Google Patents

Equipment for rolling metal plate

Info

Publication number
JPH08132107A
JPH08132107A JP6295994A JP29599494A JPH08132107A JP H08132107 A JPH08132107 A JP H08132107A JP 6295994 A JP6295994 A JP 6295994A JP 29599494 A JP29599494 A JP 29599494A JP H08132107 A JPH08132107 A JP H08132107A
Authority
JP
Japan
Prior art keywords
rolling
rolling mill
plate material
tip
metal plate
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.)
Withdrawn
Application number
JP6295994A
Other languages
Japanese (ja)
Inventor
Makoto Ichikawa
誠 市川
Kanji Hayashi
寛治 林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP6295994A priority Critical patent/JPH08132107A/en
Publication of JPH08132107A publication Critical patent/JPH08132107A/en
Withdrawn legal-status Critical Current

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  • Metal Rolling (AREA)

Abstract

PURPOSE: To miniaturize respective members and devices of a rolling mill in a rolling equipment by providing a devices on the rolling equipment for reducing a load of the rolling mill when a metal plate is bitten with the rolling mill. CONSTITUTION: When the tip part 30a of the metal plate 30 which is fed to the rolling mill 20 after heating reaches a prescribed position of a press cutting device 11, the tip part 30a of the metal plate is cut into a circular-arc shape with an upper knife 3 and lower knife 4 while lowering and elevating an upper die 1 and lower die 2 with an upper screw-down cylinder 5 and lower screw- down cylinder 6 while traveling a truck 8 at the same speed as the traveling speed of the metal plate and successively pressed into a tapered shape with an upper tapered part 1a and lower tapered part 2a. After that, the upper and lower dies 1, 2 are moved and the tip of the metal plate is bitten between upper and lower work rolls 21 after stopping the traveling of the truck.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、板材先端円弧状切断装
置、板材先端テーパ状プレス装置等の板材の圧延機噛込
み時に圧延機の負荷を軽減する装置を設けた圧延設備に
関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to rolling equipment provided with a device for reducing the load on a rolling mill when the rolling mill is engaged with a rolling mill such as a cutting machine for cutting a circular arc of a rolling plate and a taper pressing machine for a rolling plate.

【0002】[0002]

【従来の技術】図5は例えば熱間圧延機における板材の
噛込みを示す斜視図、図6は従来の板材噛込み時から通
常圧延までの経過時間における圧延荷重を示す線図であ
る。
2. Description of the Related Art FIG. 5 is a perspective view showing the biting of a plate material in a hot rolling mill, for example, and FIG. 6 is a diagram showing the rolling load in the elapsed time from the biting of the conventional plate material to normal rolling.

【0003】従来の例えば熱間圧延機による板材の圧延
は、図5に示すように圧延機20の上下のバックアップ
ロール22に支持された上下のワークロール21間に板
材30の板厚tに対応するロールギャップgを形成し、
例えば900〜1000℃に加熱した板材30を走行さ
せてその先端部30aをこのロールギャップgに噛込ま
せ、所要の板厚に圧延している。
Conventionally, for example, the rolling of a plate material by a hot rolling mill corresponds to the plate thickness t of the plate material 30 between the upper and lower work rolls 21 supported by the upper and lower backup rolls 22 of the rolling machine 20 as shown in FIG. To form a roll gap g
For example, the plate material 30 heated to 900 to 1000 [deg.] C. is run, the tip portion 30a thereof is caught in the roll gap g, and rolled to a required plate thickness.

【0004】[0004]

【発明が解決しようとする課題】ところで前述のよう
に、従来例えば熱間圧延による板材の圧延においては、
加熱された板材30の先端部30aの温度が低下してそ
の硬度が上昇しているので、その噛込み時には図5及び
図6に示すように、過大な圧延荷重Pmax が作用し、ロ
ールギャップgの変化量xが大きくなって図示しないハ
ウジングの上下方向の伸びが大きくなる。
By the way, as described above, conventionally, for example, in the rolling of a plate material by hot rolling,
Since the temperature of the tip end portion 30a of the heated plate material 30 is lowered and the hardness thereof is increased, an excessive rolling load P max acts at the time of the biting, as shown in FIG. 5 and FIG. The change amount x of g increases, and the vertical expansion of the housing (not shown) increases.

【0005】また、上下ワークロール21の回転に必要
な圧延トルクT及び上下ワークロール21に発生する水
平力Fが大きくなる。そしてこの噛込みが完了して通常
の圧延に入ると、安定した圧延荷重Po になる。
Further, the rolling torque T required to rotate the upper and lower work rolls 21 and the horizontal force F generated on the upper and lower work rolls 21 become large. Then, when entering the normal rolling this biting is completed, become stable rolling load P o.

【0006】この噛込み時から通常圧延までの経過時間
τにおける、噛込み時圧延荷重Pmax と通常圧延荷重P
o との差は次の式によって算出することができる。
The biting rolling load P max and the normal rolling load P in the elapsed time τ from the biting to the normal rolling.
The difference from o can be calculated by the following formula.

【数1】 ここに、m:ロール群の等価質量 α:板材噛込み時のロールギャップgが開く加速度 v:板材噛込み時のロールギャップgが開く速度 x:板材噛込み時のロールギャップg変化量 KM :圧延機ミル定数[Equation 1] Here, m: equivalent mass of the rolls alpha: plate biting when the roll gap g is opened acceleration v: speed roll gap g at the time of lump plate engage opens x: sheet biting when the roll gap g variation K M : Mill mill constant

【0007】従って、図示しないハウジング、バックア
ップロール軸受、ロードセル、圧下装置等が噛込み時圧
延荷重Pmax によって設計され、上下ワークロール21
を駆動回転するスピンドル及びピニオンスタンドが噛込
み時圧延トルクによって設計されるので、これらは必然
的に大きくなる不具合がある。
Therefore, the unillustrated housing, backup roll bearing, load cell, reduction device, etc. are designed by the rolling load P max at the time of biting, and the upper and lower work rolls 21.
Since the spindle and the pinion stand for driving and rotating are designed by the rolling torque at the time of biting, there is a problem that these are inevitably large.

【0008】また、水平力が大きくなるのでハウジング
が大きくなり、ロールクロス圧延機の場合はロールクロ
ス装置を大きくする必要がある等の不具合を生ずる。
Further, since the horizontal force becomes large, the housing becomes large, and in the case of a roll cross rolling machine, there arises a problem that the roll cross device needs to be large.

【0009】本発明はこれらの不具合点を解消し、板材
の噛込み時に圧延機に作用する圧延荷重、圧延トルク、
水平力等の負荷が過大にならず圧延中と大差がないよう
にし、圧延機の各部材および装置の小型化を図った新た
な板材の圧延設備を提供することを目的としている。
The present invention solves these problems, and the rolling load and rolling torque acting on the rolling mill when the plate material is bitten,
It is an object of the present invention to provide a new rolling mill for plate materials in which the load such as horizontal force does not become excessively large and there is not much difference from that during rolling, and each member and device of the rolling mill are downsized.

【0010】[0010]

【課題を解決するための手段】前記目的を達成するため
の構成として本発明の板材の圧延設備は、板材先端円弧
状切断装置および/または板材先端テーパ状プレス装置
を圧延機の入側に配設したことを特徴としている。
As a constitution for achieving the above object, a rolling mill for plate material according to the present invention has a plate material tip circular arc cutting device and / or a plate material tip tapered press device arranged at the entrance side of the rolling mill. It is characterized by having been set up.

【0011】また、圧延機側に向かって上昇する勾配部
を上面に設けると共に圧延機側の側面を凸円弧状に成形
した下金型と、下金型圧下手段と、前記下金型の上方に
配置し圧延機側に向かって下降する勾配部を下面に設け
ると共に圧延機側の側面を凸円弧状に成形した上金型
と、上金型圧下手段と、切断部を凸円弧状に成形し前記
下金型の凸円弧部に装着した下ナイフと、切断部を下ナ
イフの切断部と係合するように凹円弧状に成形し前記上
金型の凸円弧部に装着した上ナイフとを具備した板材先
端プレス切断装置を圧延機の入側に配設することも好ま
しい。
Further, a lower die having a sloped portion that rises toward the rolling mill side formed on the upper surface and a side surface on the rolling mill side formed into a convex arc shape, a lower die pressing means, and an upper portion of the lower die. The upper die has a sloped portion that is arranged on the lower surface and descends toward the rolling mill, and the side surface of the rolling mill is formed into a convex arc shape, the upper die pressing means, and the cutting portion is formed into a convex arc shape. And a lower knife attached to the convex arc portion of the lower die, and an upper knife formed into a concave arc shape so that the cutting portion engages with the cutting portion of the lower knife, and the upper knife attached to the convex arc portion of the upper die. It is also preferable to dispose a plate material tip press cutting device equipped with the above at the entrance side of the rolling mill.

【0012】[0012]

【作用】上記のように構成した本発明の板材の圧延設備
によれば次に示す作用を奏する。
According to the plate material rolling equipment of the present invention constructed as described above, the following operation is achieved.

【0013】(1).前記請求項1記載の発明において
は、圧延機に送給された板材の先端部を、板材先端円弧
状切断装置および/または板材先端テーパ状プレス装置
によって圧延機に向かって凸円弧状に切断および/また
はテーパ状にプレスし、所定のロールギャップを形成し
た前記圧延機の上下ワークロール間に噛込ませる。
(1). In the invention according to claim 1, the tip end portion of the plate material fed to the rolling mill is cut into a convex arc shape toward the rolling mill by the plate material tip arcuate cutting device and / or the plate material tip taper pressing device, and And / or it is pressed into a taper shape to be caught between the upper and lower work rolls of the rolling mill having a predetermined roll gap.

【0014】この板材の円弧状先端部は噛込み負荷をロ
ール軸方向に分散させ、テーパ状先端部は圧延荷重を徐
々に大きくし、板材の噛込み時に圧延機に作用する圧延
荷重、圧延トルク、水平力等の負荷が急激に過大になら
ずに圧延中と大差がなくなる。
The arcuate front end of the plate material disperses the biting load in the roll axial direction, and the tapered front end gradually increases the rolling load. The rolling load and the rolling torque acting on the rolling mill when the plate material is bitten. , The load such as horizontal force does not suddenly become excessively large, and there is not much difference from that during rolling.

【0015】従って、ハウジング、バックアップロール
軸受、ロードセル、圧下装置、スピンドル、ピニオンス
タンド、ロールクロス装置等を通常圧延中の前記負荷に
対応させて小さくすることが可能である。
Therefore, it is possible to reduce the size of the housing, the backup roll bearing, the load cell, the reduction device, the spindle, the pinion stand, the roll cross device, etc., according to the load during normal rolling.

【0016】(2).前記請求項2記載の発明において
は、圧延機に送給された板材の先端部を上金型および下
金型によって圧下し、上ナイフおよび下ナイフによって
円弧状に切断すると共に上金型の勾配部および下金型の
勾配部によってテーパ状にプレスし、所定のロールギャ
ップを形成した前記圧延機の上下ワークロール間に噛込
ませる。
(2). In the invention according to claim 2, the tip of the plate material fed to the rolling mill is rolled down by the upper die and the lower die, cut into an arc shape by the upper knife and the lower knife, and the gradient of the upper die is cut. Section and the inclined portion of the lower die are pressed in a taper shape so as to be caught between the upper and lower work rolls of the rolling mill in which a predetermined roll gap is formed.

【0017】この板材の円弧状およびテーパ状先端部は
噛込み負荷をロール軸方向に分散させると共に、圧延荷
重を徐々に大きくし、板材の噛込み時に圧延機に作用す
る圧延荷重、圧延トルク、水平力等の負荷を圧延中と大
差がない値に軽減する。従って、前記(1)項と同様に
圧延機の各部材および装置を小さくすることが可能であ
る。
The arcuate and tapered tips of the plate material disperse the biting load in the roll axial direction and gradually increase the rolling load so that the rolling load and the rolling torque that act on the rolling mill when the plate material is bitten, Reduce the load such as horizontal force to a value that is not much different from that during rolling. Therefore, each member and device of the rolling mill can be downsized as in the above item (1).

【0018】[0018]

【実施例】以下図面により本発明の実施例について説明
する。図1は本発明の第1実施例である、板材先端プレ
ス切断装置および圧延機を示す側面図、図2は図1のII
−II部を下方から視た平面図、図3は板材噛込み時から
通常圧延までの経過時間における圧延荷重を示す線図で
ある。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a plate material tip press cutting device and a rolling mill according to a first embodiment of the present invention, and FIG.
FIG. 3 is a plan view of the -II part as viewed from below, and FIG. 3 is a diagram showing rolling load in the elapsed time from when the plate material is engaged to when the normal rolling is performed.

【0019】図1および図2において、1は上金型であ
り、その下面には圧延機側に向かって下降する上勾配部
1aが設けられ、圧延機側の側面は凸円弧状に成形され
ている。そして、この凸円弧部には、切断部が凹円弧状
の上ナイフ3が装着されている。
In FIGS. 1 and 2, reference numeral 1 denotes an upper die, an upper slope portion 1a descending toward the rolling mill side is provided on the lower surface thereof, and the side surface on the rolling mill side is formed into a convex arc shape. ing. Then, the upper knife 3 whose cutting portion has a concave arc shape is attached to the convex arc part.

【0020】2は下金型であり、その上面には圧延機側
に向かって上昇する下勾配部2aが設けられ、圧延機側
の側面は凸円弧状に成形されている。そして、この凸円
弧部には、切断部が上ナイフ3の切断部と係合するよう
に凸円弧状に成形された下ナイフ4が装着されている。
Reference numeral 2 denotes a lower die, which is provided with a lower slope portion 2a which rises toward the rolling mill side, and whose side surface on the rolling mill side is formed in a convex arc shape. A lower knife 4 shaped like a convex arc is attached to the convex arc portion so that the cutting portion engages with the cutting portion of the upper knife 3.

【0021】この上金型1および下金型2は、台車8上
およびフレーム7の上部に装設された上圧下シリンダ5
および下圧下シリンダ6のロッド部先端に装着されてい
る。
The upper mold 1 and the lower mold 2 are an upper pressing cylinder 5 mounted on the carriage 8 and on the upper part of the frame 7.
Also, it is attached to the tip of the rod portion of the lower pressure reduction cylinder 6.

【0022】以上の部材及び機器によってプレス切断装
置11が構成され、圧延機20の入側に圧延ラインに沿
ったレール9上を走行可能に配設されている。
A press cutting device 11 is constituted by the above-mentioned members and equipment, and is arranged so that it can travel on the rail 9 along the rolling line at the entrance side of the rolling mill 20.

【0023】圧延機20は、ハウジング23に内装され
たワークロール21及びバックアップロール22等の主
要部材を具備している。
The rolling mill 20 is provided with main members such as a work roll 21 and a backup roll 22 installed in a housing 23.

【0024】次に、本実施例装置の作用について説明す
る。予め、上圧下シリンダ5のストロークを板材30の
板厚に応じて上金型1が所定の高さ迄下降するように設
定すると共に、下金型がパスライン高さに上昇するよう
に下圧下シリンダ6のストロークを設定する。
Next, the operation of the apparatus of this embodiment will be described. The stroke of the upper pressing cylinder 5 is set in advance so that the upper mold 1 is lowered to a predetermined height according to the plate thickness of the plate material 30, and the lower pressing is performed so that the lower mold is raised to the pass line height. Set the stroke of the cylinder 6.

【0025】そして、例えば、900〜1000℃に加
熱されて圧延機20に送給された板材30の先端部30
aがプレス切断装置11の所定の位置に来ると、台車8
を板材30の走行速度と同じ速度で走行させながら、上
圧下シリンダ5および下圧下シリンダ6によって上金型
1および下金型2を前記ストロークで下降および上昇さ
せながら、上ナイフ3および下ナイフ4によってその先
端部30aを円弧状に切断し、続いて上勾配部1aおよ
び下勾配部2aによってテーパ状にプレスする。
Then, for example, the tip portion 30 of the plate material 30 heated to 900 to 1000 ° C. and fed to the rolling mill 20.
When a comes to a predetermined position of the press cutting device 11, the carriage 8
While moving the plate material 30 at the same speed as the plate material 30, the upper and lower dies 3 and 4 are lowered and raised by the upper and lower cylinders 5 and 6 with the strokes, respectively. The tip portion 30a is cut into an arc shape by, and subsequently, the upper slope portion 1a and the lower slope portion 2a are pressed in a taper shape.

【0026】次に、上金型1および下金型2を上昇およ
び下降して台車8の走行を停止し、板材30の板厚に対
応するロールギャップgを形成した上下のワークロール
21間に噛込ませる。
Next, the upper die 1 and the lower die 2 are raised and lowered to stop the traveling of the carriage 8 and between the upper and lower work rolls 21 having a roll gap g corresponding to the plate thickness of the plate material 30. Make it bite.

【0027】この板材30の先端部30aは円弧部全幅
が上下のワークロール21間に時間差をおいて噛込み、
さらにテーパ状先端部の厚さが薄い部分から噛込んで徐
々に厚くなるので、噛込み時に圧延機20に作用する圧
延荷重P、圧延トルクT、水平力F等の負荷が過大にな
らずに圧延中の通常のものと大差がなくなり、ハウジン
グ23の上下方向の伸びも小さくなるので、ハウジング
23、図示しないバックアップロール軸受、ロードセ
ル、圧下装置、スピンドル、ピニオンスタンド、ロール
クロス装置等を通常圧延中の前記負荷に対応させて小さ
くすることができる。
The tip end portion 30a of the plate member 30 is bitten between the work rolls 21 whose upper and lower circular arc portions have a time difference,
Further, since the tapered tip end bites from the thin portion and becomes gradually thicker, the load such as the rolling load P, the rolling torque T, and the horizontal force F acting on the rolling mill 20 at the time of biting does not become excessive. Since there is not much difference from the normal rolling process and the vertical expansion of the housing 23 is small, the housing 23, a backup roll bearing (not shown), a load cell, a reduction device, a spindle, a pinion stand, a roll cloth device, etc. are normally rolled. It is possible to reduce the load corresponding to the above load.

【0028】板材先端部30aの噛込みから通常圧延ま
での経過時間における、圧延荷重の変化を図3に示す。
Pは圧延荷重、τは経過時間を示す。
FIG. 3 shows changes in the rolling load during the elapsed time from the biting of the plate material tip portion 30a to the normal rolling.
P indicates rolling load, and τ indicates elapsed time.

【0029】図に示すように噛込み時の圧延荷重Pmax
は通常圧延荷重Po と大差がなくなり、(Pmax
o )≒0 となる。
As shown in the figure, the rolling load P max at the time of biting
Is almost the same as the rolling load P o, and (P max
P o ) ≈0.

【0030】つぎに本発明の第2実施例について説明す
ると、図4は本発明の第2実施例である板材先端プレス
切断装置および圧延機を示す側面図であり、例えば、熱
間粗圧延された任意の長さの板材30を圧延機20の入
側で停止させ、圧延機20の入側に固設されたプレス切
断装置12の、台盤9上のフレーム7内の上下金型1,
2の上下勾配部1a,2aで板材30の先端部30aを
圧延機20側に向かって凸円弧状に切断すると共にテー
パ状にプレス成形し、上下ワークロール21への噛込み
時における圧延機20の負荷を軽減するものである。そ
の他の構成の点は前述の第1実施例装置と同様であるの
で重複する説明を省略する。
Next, a second embodiment of the present invention will be described. FIG. 4 is a side view showing a plate material tip press cutting device and a rolling mill according to the second embodiment of the present invention. For example, hot rough rolling is performed. The plate material 30 having an arbitrary length is stopped at the entrance side of the rolling mill 20, and the upper and lower molds 1 in the frame 7 on the base 9 of the press cutting device 12 fixedly provided at the entrance side of the rolling mill 20 are provided.
The tip end portion 30a of the plate material 30 is cut into a convex arc shape toward the rolling mill 20 side by the two vertically inclined portions 1a and 2a and press-formed into a taper shape, and the rolling mill 20 when biting into the upper and lower work rolls 21 is formed. It reduces the load of. The other points of the configuration are the same as those of the above-described first embodiment device, and thus duplicated description will be omitted.

【0031】以上これら実施例につき熱間圧延の場合に
つき説明したが、本発明は前述した熱間圧延だけでな
く、冷間圧延にも適用できるものである。
The case of hot rolling has been described above with respect to these examples, but the present invention can be applied not only to the hot rolling described above, but also to cold rolling.

【0032】また、板材先端円弧状切断装置または板材
先端テーパ状プレス装置だけを圧延機の入側に配設して
板材先端部を円弧状またはテーパ状に成形し、板材噛込
み時における圧延機の負荷を軽減することが可能であ
る。
Further, only a plate material tip circular arc cutting device or a plate material tip taper pressing device is disposed on the entrance side of the rolling machine to form the plate material tip part into an arc shape or a taper shape, and the rolling machine at the time of biting the plate material. It is possible to reduce the load of.

【0033】さらに、上述した実施例の板材先端部形状
を、圧延機側に向けて中央部を膨出した円弧形状とは逆
に、圧延機側に対して中央部を凹状の円弧形状に形成
し、板材の両幅端の突出部が最初にワークロールに噛込
まれるように構成してもよい。
Further, the tip end shape of the plate material of the above-mentioned embodiment is formed into a concave arc shape with respect to the rolling mill side, contrary to the arc shape in which the central portion is bulged toward the rolling mill side. However, the projecting portions at both width ends of the plate material may be first engaged with the work roll.

【0034】以上本発明の実施例につき縷々説明した
が、本発明は上記実施例に限定されるものでなく本発明
技術思想の範囲内で種々設計変更が可能でありそれらは
何れも本発明の技術的範囲に属する。
Although the embodiments of the present invention have been briefly described above, the present invention is not limited to the above-described embodiments, and various design changes can be made within the scope of the technical idea of the present invention. Belong to the technical scope.

【0035】[0035]

【発明の効果】以上述べたように本発明の圧延設備によ
れば次に示す効果を奏する。 (1).請求項1記載の発明においては、板材先端円弧
状切断装置および/または板材先端テーパ状プレス装置
を圧延設備の圧延機入側に配設し、この圧延機に送給さ
れた板材の先端部を円弧状に切断および/またはテーパ
状にプレスして圧延機のワークロール間に噛込ませるこ
とにより、板材の噛込み時に前記圧延機に作用する圧延
荷重、圧延トルク、水平力等の負荷が過大にならずに通
常圧延中と大差がなくなり、ハウジング、バックアップ
ロール軸受、ロードセル、圧下装置、スピンドル、ピニ
オンスタンド、ロールクロス装置等を圧延中の通常の前
記負荷に対応させて小さくすること可能になる。従っ
て、圧延機の製作費及び稼働電力を低減することができ
る。
As described above, the rolling equipment of the present invention has the following effects. (1). In the invention according to claim 1, the plate material tip circular arc cutting device and / or the plate material tip taper pressing device is arranged on the rolling mill entrance side of the rolling equipment, and the tip end portion of the plate material fed to the rolling machine is arranged. By cutting in an arc shape and / or pressing in a taper shape so that it is caught between the work rolls of the rolling mill, the rolling load, rolling torque, horizontal force, etc. acting on the rolling mill at the time of biting the plate material is excessive. It is possible to reduce the size of the housing, backup roll bearing, load cell, reduction device, spindle, pinion stand, roll cloth device, etc., in order to cope with the normal load during rolling. . Therefore, the manufacturing cost and operating power of the rolling mill can be reduced.

【0036】(2).請求項2記載の発明においては、
前記(1)項の効果に加え、板材先端プレス切断装置を
圧延設備の圧延機入側に配設したことにより、1台の装
置で板材先端部を円弧状およびテーパ状に成形すること
ができるので、装置数および設置スペースを減少させ、
その成形作業を容易にすることができる。従って、圧延
設備の製作コストおよびランニングコストを低減するこ
とができる。
(2). In the invention of claim 2,
In addition to the effect of the above item (1), by disposing the plate material tip press cutting device on the rolling mill entrance side of the rolling equipment, it is possible to form the plate material tip part into an arc shape and a taper shape with one device. Therefore, the number of devices and the installation space are reduced,
The molding operation can be facilitated. Therefore, the manufacturing cost and running cost of the rolling equipment can be reduced.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の第1実施例に係る板材先端プレス切断
装置および圧延機を示す側面図である。
FIG. 1 is a side view showing a plate leading edge press cutting device and a rolling mill according to a first embodiment of the present invention.

【図2】図1のII−II部を下方から視た平面図である。FIG. 2 is a plan view of a II-II portion of FIG. 1 viewed from below.

【図3】板材噛込み時から通常圧延までの経過時間にお
ける圧延荷重を示す線図である。
FIG. 3 is a diagram showing a rolling load in an elapsed time from when the plate material is bitten to when the normal rolling is performed.

【図4】本発明の第2実施例に係る板材先端プレス切断
装置および圧延機を示す側面図である。
FIG. 4 is a side view showing a plate leading edge press cutting device and a rolling mill according to a second embodiment of the present invention.

【図5】例えば熱間圧延機における従来の板材の噛込み
を示す斜視図である。
FIG. 5 is a perspective view showing a biting of a conventional plate material in, for example, a hot rolling mill.

【図6】従来の板材噛込み時から通常圧延までの経過時
間における圧延荷重を示す線図である。
FIG. 6 is a diagram showing a rolling load in an elapsed time from the time when a conventional plate material is bitten to the time of normal rolling.

【符号の説明】[Explanation of symbols]

1 上金型 1a 上勾配部 2 下金型 2a 下勾配部 3 上ナイフ 4 下ナイフ 5 上圧下シリンダ 6 下圧下シリンダ 7 フレーム 8 台車 9 レール 10 台盤 11,12 プレス切断装置 20 圧延機 21 ワークロール 22 バックアップロール 23 ハウジング 30 板材 30a 板材先端部 F 水平力 P 圧延荷重 T 圧延トルク g ロールギャップ 1 Upper mold 1a Upper slope part 2 Lower mold 2a Lower slope part 3 Upper knife 4 Lower knife 5 Upper pressure reduction cylinder 6 Lower pressure reduction cylinder 7 Frame 8 Cart 9 Rail 10 Platform 11, 12 Press cutting device 20 Rolling machine 21 Work Roll 22 Backup roll 23 Housing 30 Plate material 30a Plate material tip part F Horizontal force P Rolling load T Rolling torque g Roll gap

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 板材先端円弧状切断装置および/または
板材先端テーパ状プレス装置を圧延機の入側に配設した
ことを特徴とする板材の圧延設備。
1. A rolling mill for sheet material, characterized in that an arc cutting device at the tip of the sheet material and / or a pressing device at the tip of the sheet material is arranged on the inlet side of the rolling mill.
【請求項2】 圧延機側に向かって上昇する勾配部を上
面に設けると共に圧延機側の側面を凸円弧状に成形した
下金型と、下金型圧下手段と、前記下金型の上方に配置
し圧延機側に向かって下降する勾配部を下面に設けると
共に圧延機側の側面を凸円弧状に成形した上金型と、上
金型圧下手段と、切断部を凸円弧状に成形し前記下金型
の凸円弧部に装着した下ナイフと、切断部を下ナイフの
切断部と係合するように凹円弧状に成形し前記上金型の
凸円弧部に装着した上ナイフとを具備した板材先端プレ
ス切断装置を圧延機の入側に配設したことを特徴とする
板材の圧延設備。
2. A lower die having a slope portion that rises toward the rolling mill side provided on the upper surface and a side surface on the rolling mill side formed into a convex arc shape, a lower die pressing means, and an upper portion of the lower die. The upper die has a sloped portion that is arranged on the lower surface and descends toward the rolling mill, and the side surface of the rolling mill is formed into a convex arc shape, the upper die pressing means, and the cutting portion is formed into a convex arc shape. And a lower knife attached to the convex arc portion of the lower die, and an upper knife formed into a concave arc shape so that the cutting portion engages with the cutting portion of the lower knife, and the upper knife attached to the convex arc portion of the upper die. A plate material rolling facility, characterized in that a plate material tip press cutting device having the above is disposed on the entrance side of a rolling mill.
JP6295994A 1994-11-07 1994-11-07 Equipment for rolling metal plate Withdrawn JPH08132107A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6295994A JPH08132107A (en) 1994-11-07 1994-11-07 Equipment for rolling metal plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6295994A JPH08132107A (en) 1994-11-07 1994-11-07 Equipment for rolling metal plate

Publications (1)

Publication Number Publication Date
JPH08132107A true JPH08132107A (en) 1996-05-28

Family

ID=17827765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6295994A Withdrawn JPH08132107A (en) 1994-11-07 1994-11-07 Equipment for rolling metal plate

Country Status (1)

Country Link
JP (1) JPH08132107A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100395042C (en) * 2006-05-24 2008-06-18 付平 Section rolling mill
DE102017219289A1 (en) 2017-10-27 2019-05-02 Sms Group Gmbh Method for separating a cast strand or intermediate strip by means of a pair of scissors

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100395042C (en) * 2006-05-24 2008-06-18 付平 Section rolling mill
DE102017219289A1 (en) 2017-10-27 2019-05-02 Sms Group Gmbh Method for separating a cast strand or intermediate strip by means of a pair of scissors
WO2019081142A1 (en) 2017-10-27 2019-05-02 Sms Group Gmbh Method for cutting a cast strand or intermediate strip using shears
US20200261965A1 (en) * 2017-10-27 2020-08-20 Sms Group Gmbh Method for cutting a cast strand or intermediate strip using shears
US11529670B2 (en) 2017-10-27 2022-12-20 Sms Group Gmbh Method for cutting a cast strand or intermediate strip using shears

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