JP2895387B2 - Strip conveyor - Google Patents
Strip conveyorInfo
- Publication number
- JP2895387B2 JP2895387B2 JP6069257A JP6925794A JP2895387B2 JP 2895387 B2 JP2895387 B2 JP 2895387B2 JP 6069257 A JP6069257 A JP 6069257A JP 6925794 A JP6925794 A JP 6925794A JP 2895387 B2 JP2895387 B2 JP 2895387B2
- Authority
- JP
- Japan
- Prior art keywords
- strip
- pressurized gas
- band plate
- plate
- width direction
- 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.)
- Expired - Fee Related
Links
Landscapes
- Delivering By Means Of Belts And Rollers (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、帯板搬送装置に関する
ものであり、特に、帯板を搬送路から噴出する気体で浮
上させて、非接触で搬送する装置に応用されるものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for transporting a strip, and more particularly, to an apparatus for transporting a strip in a non-contact manner by levitating the strip with gas ejected from a transport path.
【０００２】[0002]
【従来の技術】圧延された帯板のパスラインの下方から
帯板に向けて加圧気体を噴射して、帯板を浮上させなが
ら搬送する帯板搬送装置は、高温に加熱した加圧気体を
帯板に噴射することにより、帯板を加熱保温しながら非
接触で搬送できるので、焼鈍などを行う場合に応用する
と好適なものである。2. Description of the Related Art A strip conveying apparatus for injecting pressurized gas from below a pass line of a rolled strip toward a strip and conveying the strip while floating the strip is a pressurized gas heated to a high temperature. By injecting into the strip, the strip can be conveyed in a non-contact manner while heating and keeping the temperature of the strip, which is suitable for application to the case of annealing or the like.
【０００３】この従来の帯板搬送装置の断面を図７に示
す。即ち、帯板１０１のパスラインの下方には、加圧気
体を帯板１０１に向けて噴射する噴射口５２を図中、上
部に複数形成した箱状の浮上装置５１が設けられ、この
浮上装置５１の図中、下部には、浮上装置５１に加圧気
体を送給するダクト５３が連結され、図示しない送給機
により噴射口５２から加圧気体を噴射するようになって
いる。この浮上装置５１の図中、上部には、噴射口５２
を帯板１０１の搬送方向に沿って幅方向へ複数列に仕切
る仕切板５４が複数設けられ、この浮上装置５１の図
中、上部両端側には、サイドプレート５５がそれぞれ設
けられており、これら仕切板５４及びサイドプレート５
５により噴射口５２からの加圧気体の流れを調整してい
る。FIG. 7 shows a cross section of this conventional strip transport apparatus. That is, below the pass line of the band plate 101, a box-shaped levitation device 51 in which a plurality of injection ports 52 for injecting pressurized gas toward the band plate 101 are formed in the upper part in the figure is provided. In the lower part of FIG. 51, a duct 53 for supplying a pressurized gas to the levitation device 51 is connected, and a pressurized gas is injected from an injection port 52 by a feeder (not shown). In the drawing of the levitation device 51, an injection port 52 is provided at the top.
Are provided in a plurality of rows in the width direction along the conveying direction of the band plate 101, and side plates 55 are provided at both upper end sides in the drawing of the floating device 51, respectively. Partition plate 54 and side plate 5
5, the flow of the pressurized gas from the injection port 52 is adjusted.
【０００４】この浮上装置５１の周囲には、搬送路壁で
ある保温壁５６が浮上装置５１を覆うように囲んでお
り、この保温壁５６で囲まれた空間内の浮上装置５１の
図中、上方を帯板１０１が通板するようになっている。[0004] Around the levitation device 51, a heat retaining wall 56, which is a transport path wall, surrounds the levitation device 51 so as to cover the levitation device 51. In the drawing of the levitation device 51 in a space surrounded by the heat retention wall 56, The band plate 101 passes through the upper side.
【０００５】従って、図示しない送給機によりダクト５
３を通して浮上装置５１に加圧気体を送給し、噴射口５
２から加圧気体を噴射して帯板１０１を浮上させ、パス
ライン方向の力を帯板１０１に加えることにより、帯板
１０１を搬送している。[0005] Therefore, the duct 5 is provided by a feeder (not shown).
And pressurized gas is supplied to the levitation device 51 through the injection port 5.
The band plate 101 is conveyed by injecting pressurized gas from 2 to lift the band plate 101 and apply a force in the pass line direction to the band plate 101.
【０００６】この時、噴射口５２から噴射した加圧気体
は、図中、左右両側のサイドプレート５５と帯板１０１
との間から、図中、上方へ向かって吹き上がることによ
り、浮上装置５１に対する帯板１０１の幅方向のセンタ
リングを行っている。At this time, the pressurized gas injected from the injection port 52 is supplied to the left and right side plates 55 and the band plate 101 in the figure.
The centering of the strip 101 in the width direction with respect to the levitation device 51 is performed by blowing upward in the figure from between the positions.
【０００７】そして、図中、左右両側から吹き上がった
加圧気体は、保温壁５６に設けられた図示しない排気口
から排気されている。[0007] In the drawing, pressurized gas blown up from both left and right sides is exhausted from an exhaust port (not shown) provided in the heat retaining wall 56.
【０００８】[0008]
【発明が解決しようとする課題】ところが、浮上装置５
１に対する帯板１０１の幅方向のずれが比較的小さい場
合には、何ら問題なくセンタリングが行われるが、この
ずれが比較的大きい場合には、例えば、図中、右方向へ
ずれた時の状態を表す図８に示すように、図中、右側の
サイドプレート５５と帯板１０１との間から吹き上がる
加圧気体の量よりも、図中、左側のサイドプレート５５
と帯板１０１との間から吹き上がる加圧気体の量の方が
多くなってしまう。このため、吹き上がった加圧気体
は、保温壁５６の天井中央部分よりも図中、右側ではね
返り、帯板１０１の中央部分よりも図中、右側に吹き降
りて衝突し、帯板１０１を図中、右下がりに傾斜させて
しまう。However, the floating device 5
When the displacement of the strip 101 in the width direction with respect to 1 is relatively small, the centering is performed without any problem. However, when the displacement is relatively large, for example, the state when the displacement is to the right in the drawing. As shown in FIG. 8, the left side plate 55 in the figure is larger than the amount of pressurized gas blown from between the right side plate 55 and the band plate 101 in the figure.
The amount of the pressurized gas blown up from between the plate and the band plate 101 becomes larger. Therefore, the blown-up pressurized gas rebounds on the right side of the figure from the center of the ceiling of the heat retaining wall 56, and collides with the band 101 by blowing down to the right of the center of the band 101 in the figure. In the figure, it is inclined downward and to the right.
【０００９】この結果、図中、左寄りの噴射口５２から
の加圧気体の流れにより、帯板１０１は、さらに図中、
右側へ移動し、横ゆれが発生してしまう。そのため、帯
板１０１がサイドプレート５５や保温壁５６に衝突し
て、これらを傷つけたり、破損させたりすると共に、帯
板１０１自身も、傷ついたり、破損したりしてしまう。As a result, the flow of the pressurized gas from the injection port 52 on the left side in the figure causes the strip 101 to further
It moves to the right side, causing side-swing. For this reason, the band plate 101 collides with the side plate 55 and the heat retaining wall 56 to damage or damage them, and the band plate 101 itself is also damaged or broken.
【００１０】そこで、この横ゆれを抑える方法として、
帯板の幅方向の位置を位置検出器によって検出し、この
検出信号に基づいて、浮上装置を帯板に対応して傾斜さ
せ、帯板の横ゆれを減少させる装置が開発されている。Therefore, as a method of suppressing the lateral sway,
A device has been developed in which a position in the width direction of the strip is detected by a position detector, and based on this detection signal, the levitation device is tilted in correspondence with the strip to reduce the lateral displacement of the strip.
【００１１】しかしながら、前述した装置は、位置検出
器や、傾斜装置や、これらを制御する制御装置など、高
価な機器類が必要なため、帯板搬送装置に係るコストが
大幅に上昇してしまう。However, the above-described device requires expensive equipment such as a position detector, a tilting device, and a control device for controlling these devices, so that the cost relating to the strip transport device is greatly increased. .
【００１２】[0012]
【発明の目的】本発明は、簡易な方法により、帯板の横
ゆれを減少させる低コストな帯板搬送装置を提供するこ
とを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a low-cost strip conveying apparatus which can reduce lateral displacement of a strip by a simple method.
【００１３】[0013]
【課題を解決するための手段】第１番目の本発明による
帯板搬送装置は、帯板のパスラインの下方に設けられる
と共に加圧気体を上方に噴射する複数の噴射口が形成さ
れ且つ前記帯板の幅方向両端側にサイドプレートが立設
された浮上装置と、前記帯板と前記浮上装置とを覆い込
む搬送路壁とを備えた帯板搬送装置において、前記帯板
を挟んで前記浮上装置と対向する緩衝板を設けたことを
特徴とするものである。According to a first aspect of the present invention, there is provided a strip conveying apparatus provided with a plurality of injection ports which are provided below a pass line of the strip and inject pressurized gas upward. A levitation device in which side plates are erected on both end sides in the width direction of the band plate, and a band plate conveyance device including a conveyance path wall covering the band plate and the levitation device, wherein the band plate is sandwiched between the It is characterized in that a buffer plate facing the levitation device is provided.
【００１４】第２番目の本発明による帯板搬送装置は、
帯板のパスラインの下方に設けられると共に加圧気体を
上方に噴射する複数の噴射口が形成され且つ前記帯板の
幅方向両端側にサイドプレートが立設された浮上装置
と、前記帯板と前記浮上装置とを覆い込む搬送路壁とを
備えた帯板搬送装置において、前記帯板との間から吹き
上がる加圧気体を拡散させるように前記サイドプレート
を前記浮上装置の前記帯板の幅方向外側へ突出させたこ
とを特徴とするものである。[0014] A second embodiment of the strip conveying apparatus according to the present invention comprises:
A flotation device provided below a pass line of the band plate and formed with a plurality of injection ports for injecting pressurized gas upward and side plates standing upright on both ends in the width direction of the band plate; And a transport path wall covering the levitation device, wherein the blower blows from between the
The side plate protrudes outward in the width direction of the band plate of the levitation device so as to diffuse the rising pressurized gas .
【００１５】第３番目の本発明による帯板搬送装置は、
帯板のパスラインの下方に設けられると共に加圧気体を
上方に噴射する複数の噴射口が形成され且つ前記帯板の
幅方向両端側にサイドプレートが立設された浮上装置
と、前記帯板と前記浮上装置とを覆い込む搬送路壁とを
備えた帯板搬送装置において、前記サイドプレートに前
記噴射口からの前記加圧気体の一部を前記帯板の幅方向
外側へ逃がす逃がし孔を設けたことを特徴とするもので
ある。[0015] A third strip conveying apparatus according to the present invention comprises:
A flotation device provided below a pass line of the band plate and formed with a plurality of injection ports for injecting pressurized gas upward and side plates standing upright on both ends in the width direction of the band plate; And a conveying path wall covering the floating device, wherein the side plate has an escape hole for allowing a part of the pressurized gas from the injection port to escape outward in the width direction of the band plate. It is characterized by having been provided.
【００１６】第４番目の本発明による帯板搬送装置は、
帯板のパスラインの下方に設けられると共に加圧気体を
上方に噴射する複数の噴射口が形成され且つ前記帯板の
幅方向両端側にサイドプレートが立設された浮上装置
と、前記帯板と前記浮上装置とを覆い込む搬送路壁とを
備えた帯板搬送装置において、前記帯板の幅方向に配列
して前記噴射口を複数列に仕切る複数の仕切板を前記浮
上装置に設け、これら仕切板の高さを前記サイドプレー
ト側に設けたものほど中央部側に設けたものよりも高く
設定したことを特徴とするものである。According to a fourth aspect of the present invention, there is provided a strip conveying apparatus.
A flotation device provided below a pass line of the band plate and formed with a plurality of injection ports for injecting pressurized gas upward and side plates standing upright on both ends in the width direction of the band plate; And a transporting path wall that covers the levitation device, wherein the levitation device is provided with a plurality of partition plates arranged in a width direction of the strip to partition the ejection openings into a plurality of rows. The height of these partition plates is set higher on the side plate side than on the center portion side.
【００１７】[0017]
【作用】第１番目の本発明では、噴射口から噴射した加
圧気体は、帯板とサイドプレートとの間から吹き上がっ
て搬送路壁の天井部分ではね返り、緩衝板の上部部分に
吹き降りて衝突すると、緩衝板が吹き降りた加圧気体の
向きを帯板の幅方向に変えるので、帯板は吹き降りる加
圧気体の影響を受けにくくなる。According to the first aspect of the present invention, the pressurized gas injected from the injection port blows up from between the band plate and the side plate, rebounds at the ceiling portion of the transport path wall, and flows down to the upper portion of the buffer plate. When the collision occurs, the direction of the pressurized gas blown down by the buffer plate is changed to the width direction of the band plate, so that the band plate is hardly affected by the pressurized gas blown down.
【００１８】第２番目の本発明では、噴射口から噴射し
た加圧気体は、帯板とサイドプレートとの間から拡散し
ながら吹き上がると、吹き上がる加圧気体の力が弱めら
れるので、帯板に加圧気体が吹き降りて衝突しても、帯
板は傾斜しにくくなる。According to the second aspect of the present invention, when the pressurized gas injected from the injection port is blown up while diffusing from between the band plate and the side plate, the force of the blown up pressurized gas is weakened. Even if the pressurized gas blows down and hits the plate, the strip is less likely to tilt.
【００１９】第３番目の本発明では、噴射口から噴射し
た加圧気体は、逃がし孔から帯板の幅方向外側へ一部が
逃げながら、帯板とサイドプレートとの間から吹き上が
ると、吹き上がる加圧気体の力が弱められるので、帯板
に加圧気体が吹き降りて衝突しても、帯板は傾斜しにく
くなる。In the third aspect of the present invention, when the pressurized gas injected from the injection port blows up from between the band plate and the side plate while partially escaping from the escape hole to the width direction outside of the band plate, Since the force of the pressurized gas that blows up is weakened, even if the pressurized gas blows down and collides with the strip, the strip is less likely to tilt.
【００２０】第４番目の本発明では、噴射口から噴射し
た加圧気体は、帯板と仕切板との間を通過すると、サイ
ドプレート側ほど中央部側よりも帯板を浮上させる力が
強くなるので、帯板に加圧気体が吹き降りて衝突して
も、帯板は傾斜しにくくなる。According to the fourth aspect of the present invention, when the pressurized gas injected from the injection port passes between the band plate and the partition plate, the force for floating the band plate is stronger on the side plate side than on the center side. Therefore, even if the pressurized gas blows down and collides with the strip, the strip is less likely to tilt.
【００２１】[0021]
【実施例】第１番目の本発明による帯板搬送装置の一実
施例の断面構造を図１に示す。即ち、帯板１０１のパス
ラインの下方には、加圧気体を帯板１０１に向けて噴射
する噴射口２を図中、上部に複数形成した箱状の浮上装
置１が設けられ、この浮上装置１の図中、下部には、浮
上装置１に加圧気体を送給するダクト３が連結され、図
示しない送給機により噴射口２から加圧気体を噴射する
ようになっている。この浮上装置１の図中、上部には、
噴射口２を帯板１０１の搬送方向に沿って幅方向へ複数
列に仕切る仕切板４が複数設けられ、この浮上装置１の
図中、上部両端側には、サイドプレート５がそれぞれ設
けられており、これら仕切板４及びサイドプレート５に
より噴射口２からの加圧気体の流れを調整している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a cross-sectional structure of a first embodiment of a strip conveying apparatus according to the present invention. That is, below the pass line of the band plate 101, there is provided a box-shaped floating device 1 in which a plurality of injection ports 2 for injecting pressurized gas toward the band plate 101 are formed in the upper part in the figure. 1, a duct 3 for supplying a pressurized gas to the levitation device 1 is connected to a lower portion, and a pressurized gas is injected from an injection port 2 by a feeder (not shown). In the drawing of the levitation device 1,
A plurality of partition plates 4 are provided to partition the injection ports 2 in a plurality of rows in the width direction along the transport direction of the strip 101, and side plates 5 are provided at both upper end sides of the floating device 1 in the drawing. The flow of the pressurized gas from the injection port 2 is adjusted by the partition plate 4 and the side plate 5.
【００２２】この浮上装置１の周囲には、搬送路壁であ
る保温壁６が覆うように囲んでおり、保温壁６で囲まれ
た空間内の浮上装置５１の図中、上方を帯板１０１が通
板するようになっている。この保温壁６の天井部分に
は、帯板１０１を挟んで浮上装置１と対向するように緩
衝板１７が釣り下げた状態で保持されている。The levitation device 1 is surrounded by a heat insulating wall 6 which is a transport path wall, and the upper part of the levitation device 51 in the space surrounded by the heat insulating wall 6 in the drawing is a band plate 101. Is designed to pass through. On the ceiling portion of the heat retaining wall 6, a buffer plate 17 is held in a state of being lowered so as to face the floating device 1 with the band plate 101 interposed therebetween.
【００２３】従って、図示しない送給機によりダクト３
を通して浮上装置１に加圧気体を送給し、噴射口２から
加圧気体を噴射して帯板１０１を浮上させ、パスライン
方向の力を帯板１０１に加えることにより、帯板１０１
を搬送している。Accordingly, the duct 3 is not provided by a feeder (not shown).
The pressurized gas is supplied to the levitation device 1 through the through hole, and the pressurized gas is ejected from the injection port 2 to float the band plate 101, and a force in the pass line direction is applied to the band plate 101, whereby the band plate 101
Is being transported.
【００２４】そして、サイドプレート５と帯板１０１と
の間から吹き上がる加圧気体は、保温壁６の天井部分で
はね返ると、緩衝板１７の上部部分に吹き降りて衝突し
て、保温壁６に設けられた図示しない排気口から排気さ
れるので、吹き降りてくる加圧気体は、帯板１０１に対
して何ら作用をしなくなる。When the pressurized gas which blows up from between the side plate 5 and the band plate 101 rebounds at the ceiling portion of the heat retaining wall 6, it blows down and collides with the upper portion of the buffer plate 17 to collide with the heat retaining wall 6. The exhausted gas is exhausted from an exhaust port (not shown) provided in the apparatus, so that the pressurized gas that blows down has no effect on the band plate 101.
【００２５】よって、浮上装置１に対する帯板１０１の
幅方向のずれが比較的大きい場合でも、帯板１０１は横
ゆれを起こすことが少なくなる。Therefore, even when the width of the strip 101 relative to the levitation device 1 in the width direction is relatively large, the strip 101 is less likely to sway.
【００２６】ここで、本発明の効果を確認するため、比
較実験を行った。即ち、帯板の厚さを0.３５mm、幅を１
２０３mm、張力を0.２Kgf/mm2 として、横ゆれによる最
大振幅を測定した。その結果、従来の帯板搬送装置で
は、噴射口から帯板までの距離が５０mmの場合には、２
７８mmであり、６０mmの場合には、３１０mmであるのに
対し、本発明による帯板搬送装置では、噴射口から帯板
までの距離が５０mmの場合には、４９mmであり、６０mm
の場合には１８mmであった。よって、本実施例は、横ゆ
れを大幅に低減することが確認された。Here, a comparative experiment was performed to confirm the effects of the present invention. That is, the thickness of the strip is 0.35 mm and the width is 1
Assuming that the tension was 203 mm and the tension was 0.2 kgf / mm 2 , the maximum amplitude due to the lateral displacement was measured. As a result, in the conventional strip transporting apparatus, when the distance from the injection port to the strip is 50 mm, the distance is 2 mm.
In the case of 78 mm and 60 mm, the length is 310 mm, whereas in the case of the strip conveying device according to the present invention, when the distance from the ejection port to the strip is 50 mm, the distance is 49 mm, and the distance is 60 mm.
Was 18 mm. Therefore, it was confirmed that the present embodiment significantly reduced the lateral sway.
【００２７】なお、本実施例では、平板状の緩衝板１７
を用いたが、これに限らず、例えば、保温壁の天井側よ
りも帯板側ほど間隔が広くなるように折り曲げた緩衝板
のように、吹き降りてくる加圧気体を受け止めて、帯板
に作用する力を緩衝する形状であれば、全て同様な効果
が得られる。In this embodiment, a flat buffer plate 17 is provided.
However, the present invention is not limited to this. For example, a buffer plate that is bent so that the interval is wider on the band plate side than on the ceiling side of the heat retaining wall, receives a pressurized gas that flows down and receives the band plate. The same effect can be obtained as long as the shape acts to buffer the force acting on the surface.
【００２８】前述した実施例では、帯板を挟んで浮上装
置と対向する緩衝板を設けて、帯板に吹き降りる加圧気
体の作用する力を緩衝したが、サイドプレートを帯板の
幅方向外側へ突設し、吹き降りる加圧気体の作用力を弱
めるようにしても良い。In the above-described embodiment, the buffer plate opposing the levitation device with the band plate interposed is provided to buffer the force of the pressurized gas flowing down on the band plate. It is also possible to project outward to weaken the acting force of the pressurized gas that flows down.
【００２９】このような第２番目の本発明による帯板搬
送装置の一実施例の断面構造を図２に示す。なお、前述
した実施例と同様の部分については、同一の符号を付し
て説明を省略する。即ち、浮上装置１の図中、上部両端
側には、帯板１０１の幅方向外側へ突出するようにサイ
ドプレート２５がそれぞれ設けられている。FIG. 2 shows a cross-sectional structure of an embodiment of such a second strip transport apparatus according to the present invention. The same parts as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted. That is, in the drawing of the levitation device 1, side plates 25 are provided at both upper end sides so as to protrude outward in the width direction of the band plate 101.
【００３０】従って、サイドプレート２５と帯板１０１
との間が広く開いているため、この間から吹き上がる加
圧気体は、拡散するように上方へ吹き上がるので、吹き
降りる加圧気体の作用力は弱くなり、帯板１０１の上部
部分に衝突してもほとんど作用しなくなる。Therefore, the side plate 25 and the strip 101
Is wide open, the pressurized gas blown up from this space is blown upward so as to diffuse, so that the acting force of the pressurized gas blown down is weakened and collides with the upper portion of the strip 101. It hardly works.
【００３１】ここで、本発明の効果を確認するため、比
較実験を前述の実施例と同様な方法及び条件で行った。
その結果、従来のものよりも帯板の幅方向外側へ７０mm
突設したサイドプレートを用いた本発明による帯板搬送
装置では、噴射口から帯板までの距離が５０mmの場合に
は、２５mmであり、６０mmの場合には、１8.３mmであっ
た。よって、本実施例は、横ゆれを大幅に低減すること
が確認された。Here, in order to confirm the effect of the present invention, a comparative experiment was performed in the same manner and under the same conditions as in the above-described embodiment.
As a result, the width of the strip is 70 mm more outward than the conventional one.
In the strip conveying apparatus according to the present invention using the protruding side plate, the distance from the ejection port to the strip was 25 mm when the distance was 50 mm, and 18.3 mm when the distance was 60 mm. Therefore, it was confirmed that the present embodiment significantly reduced the lateral sway.
【００３２】なお、本実施例では、曲折したサイドプレ
ート２５を用いたが、これに限らず、例えば、帯板側ほ
ど噴射口側よりも互いに対向する距離が大きくなるよう
に、サイドプレートを傾斜して設けるようにしても良
く、帯板とサイドプレートとの間から吹き上がる加圧気
体を拡散するようにサイドプレートを設けるようにすれ
ば良い。また、図１において、帯板の幅に対して左右の
サイドプレート５，５の間隔に余裕があるときは、最も
外側に位置する噴射口２を塞いでも同様の効果が得られ
る。そのために、最外側の噴射口を開閉自在に構成して
も良い。In this embodiment, the bent side plate 25 is used. However, the present invention is not limited to this. The side plate may be provided so as to diffuse the pressurized gas blown up from between the band plate and the side plate. Further, in FIG. 1, when there is a margin in the interval between the left and right side plates 5 and 5 with respect to the width of the band plate, the same effect can be obtained even if the outermost injection port 2 is closed. For this purpose, the outermost injection port may be configured to be openable and closable.
【００３３】前述した実施例では、サイドプレートを帯
板の幅方向外側へ突設して、吹き降りる加圧気体の作用
力を弱めたが、サイドプレートに噴射口からの加圧気体
の一部を帯板の幅方向外側へ逃がす逃がし孔を設けるよ
うにしても良い。In the above-described embodiment, the side plate protrudes outward in the width direction of the band plate to reduce the acting force of the pressurized gas that blows down. An escape hole may be provided to allow the hole to escape outward in the width direction of the strip.
【００３４】このような第３番目の本発明による帯板搬
送装置の一実施例の断面構造を図３に示し、このIV−IV
線矢視断面を図４に示す。なお、前述した実施例と同様
の部分については、同一の符号を付して説明を省略す
る。即ち、浮上装置１の図３中、上部両端側には、噴射
口２から噴射した加圧気体の一部を帯板の幅方向外側へ
逃がす逃がし孔３８を形成したサイドプレート３５がそ
れぞれ設けられている。FIG. 3 shows a sectional structure of one embodiment of such a third strip conveying apparatus according to the present invention.
FIG. 4 shows a cross-section taken along the line arrow. The same parts as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted. That is, in FIG. 3 of the levitation device 1, side plates 35 each having an escape hole 38 for allowing a part of the pressurized gas injected from the injection port 2 to escape to the outside in the width direction of the band plate are provided on both upper end sides. ing.
【００３５】従って、噴射口２からの加圧気体の一部が
逃がし孔３８から帯板の幅方向外側へ逃げるため、帯板
１０１とサイドプレート３５との間から吹き上がる加圧
気体の量が減少するので、帯板１０１の上部部分に衝突
してもほとんど作用しなくなる。Therefore, since a part of the pressurized gas from the injection port 2 escapes from the escape hole 38 to the outside in the width direction of the band plate, the amount of the pressurized gas blown up from between the band plate 101 and the side plate 35 is reduced. Since it decreases, even if it collides with the upper part of the strip 101, it hardly works.
【００３６】ここで、本発明の効果を確認するため、比
較実験を前述の実施例と同様な方法及び条件で行った。
その結果、本発明による帯板搬送装置では、噴射口から
帯板までの距離が５０mmの場合には、１０mmであり、６
０mmの場合には9.１mmであった。よって、本実施例は、
横ゆれを大幅に低減することが確認された。Here, in order to confirm the effect of the present invention, a comparative experiment was performed in the same manner and under the same conditions as those of the above-described embodiment.
As a result, in the strip conveying apparatus according to the present invention, when the distance from the injection port to the strip is 50 mm, the distance is 10 mm, and the distance is 6 mm.
In the case of 0 mm, it was 9.1 mm. Therefore, in this embodiment,
It was confirmed that the lateral sway was significantly reduced.
【００３７】なお、本実施例では、丸穴状の逃がし孔３
８を複数設けたが、これに限らず、例えば一直線状の逃
がし孔のように、帯板の幅方向外側へ加圧気体の一部を
逃がせる逃がし孔であれば、全て同様な効果が得られ
る。また、サイドプレートの加圧気体に対向する面積の
中に占める逃がし孔の開口面積の比率は、夫々の搬送装
置について実験的に決定すれば良い。前述の実験に使用
した鋼帯の搬送装置の例では、開口面積率１０〜３０％
が好適であった。In this embodiment, a round hole-shaped relief hole 3 is provided.
Although a plurality of holes 8 are provided, the present invention is not limited to this. For example, as long as the holes allow a part of the pressurized gas to escape to the outside in the width direction of the band plate, for example, a linear escape hole, the same effect can be obtained. Can be Further, the ratio of the opening area of the escape hole to the area of the side plate facing the pressurized gas may be experimentally determined for each transport device. In the example of the steel strip conveying device used in the above-described experiment, the opening area ratio is 10 to 30%.
Was preferred.
【００３８】前述した実施例では、噴射口からの加圧気
体の一部を帯板の幅方向外側へ逃がして、帯板に吹き降
りてくる加圧気体の作用力を弱めたが、帯板の幅方向に
配列して、噴射口を複数列に仕切るように浮上装置に設
けた複数の仕切板の高さを、サイドプレート側に設けた
ものほど中央部側に設けたものよりも高く設定すること
により、帯板を傾斜しにくくさせるようにすることが可
能である。In the above-described embodiment, a part of the pressurized gas from the injection port escapes to the outside in the width direction of the band plate to reduce the acting force of the pressurized gas flowing down to the band plate. Arranged in the width direction, the height of the plurality of partition plates provided on the levitation device so as to divide the injection ports into multiple rows is set higher on the side plate side than on the center portion side By doing so, it is possible to make the strip hard to tilt.
【００３９】このような第４番目の本発明による帯板搬
送装置の一実施例の断面構造を図５に示し、この主要部
を拡大した状態を図６に示す。なお、前述した実施例と
同様の部分については、同一の符号を付して説明を省略
する。即ち、浮上装置１の図中、上部には、噴射口２を
帯板１０１の幅方向に複数列に仕切板４４が複数設けら
れ、これら仕切板４４の高さは、サイドプレート５側に
設けたものほど浮上装置１の図中、中央部に設けたもの
よりも高く設定されている。FIG. 5 shows a cross-sectional structure of one embodiment of such a fourth strip conveying apparatus according to the present invention, and FIG. 6 shows an enlarged state of the main part. The same parts as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted. That is, in the drawing of the levitation device 1, a plurality of partition plates 44 are provided in a plurality of rows in the width direction of the strip 101 at the upper part in the drawing, and the height of the partition plates 44 is provided on the side plate 5 side. The higher the height is, the higher the height is set in the figure of the levitation device 1 in the figure.
【００４０】従って、図中、中央部分の仕切板４４と帯
板１０１との距離よりも、図中、両端側の仕切板４４と
帯板１０１との距離の方が小さいため、図中、両端側の
加圧気体の帯板１０１を浮上させる圧力の方が、図中、
中央部分の加圧気体の帯板１０１を浮上させる圧力より
も強くなるので、吹き降りる加圧気体の作用を受けにく
くなり、帯板１０１が傾斜しにくくなる。Accordingly, the distance between the partition plate 44 and the band plate 101 at both ends in the figure is smaller than the distance between the partition plate 44 and the band plate 101 at the center in the figure. The pressure at which the band plate 101 of the pressurized gas on the side floats is
Since the pressure becomes higher than the pressure at which the pressurized gas band 101 at the center floats, the pressurized gas that is blown down is less likely to be affected, and the band 101 is less likely to tilt.
【００４１】ここで、本発明の効果を確認するため、比
較実験を前述の実施例と同様な方法及び条件で行った。
但し、仕切板を浮上装置の中央部分からサイドプレート
側へ向けて７枚づつ計１４枚を均等に配置し、浮上装置
の中央部分から１番目及び２番目の計４枚の仕切板の高
さを２０mmとし、３番目の計２枚を２２mmとし、４番目
の計２枚を２５mmとし、５番目の計２枚を３０mmとし、
６番目の計２枚を３５mmとし、７番目の計２枚を４０mm
とし、サイドプレート５をそれぞれ５０mmとした。因み
に、従来の仕切板の高さは全て２０mmであり、他の条件
は全て同一である。その結果、本発明による帯板搬送装
置では、噴射口から帯板までの距離が５０mmの場合に
は、５８mmであり、６０mmの場合には３５mmであった。
よって、本実施例は、横ゆれを大幅に低減することが確
認された。Here, in order to confirm the effect of the present invention, a comparative experiment was performed in the same manner and under the same conditions as in the above-described embodiment.
However, a total of fourteen partition plates, each seven from the central part of the levitating device, are arranged uniformly from the central part of the levitating device toward the side plate side, and the height of the first and second partition plates from the central part of the levitating device is four. Is 20 mm, the third total of two sheets is 22 mm, the fourth total of two sheets is 25 mm, the fifth total of two sheets is 30 mm,
35mm for the 6th total 2 sheets, 40mm for the 7th total 2 sheets
And the side plates 5 were each set to 50 mm. Incidentally, the height of the conventional partition plate is all 20 mm, and all other conditions are the same. As a result, in the strip conveying apparatus according to the present invention, when the distance from the injection port to the strip was 50 mm, the distance was 58 mm, and when the distance was 60 mm, the distance was 35 mm.
Therefore, it was confirmed that the present embodiment significantly reduced the lateral sway.
【００４２】[0042]
【発明の効果】第１番目の本発明の帯板搬送装置による
と、吹き降りてくる加圧気体を緩衝板が受け止めて、帯
板に吹き降りてくる加圧気体の影響を大幅に減少させて
いるので、帯板の横ゆれを簡易に減少させると共に、低
コストで実用化が可能となる。According to the first embodiment of the present invention, the buffer plate receives the pressurized gas flowing down and greatly reduces the influence of the pressurized gas flowing down on the band plate. As a result, it is possible to easily reduce the lateral sway of the band plate, and at the same time, it can be put to practical use at low cost.
【００４３】第２番目の本発明の帯板搬送装置による
と、加圧気体は帯板とサイドプレートとの間から拡散し
ながら吹き上がり、帯板に吹き降りて衝突しても、帯板
は傾斜しにくくなるので、帯板の横ゆれを簡易に減少さ
せると共に、低コストで実用化が可能となる。According to the second strip conveying apparatus of the present invention, the pressurized gas is blown up while diffusing from between the strip and the side plate. Since it is difficult to incline, it is possible to easily reduce the lateral sway of the band plate, and it is possible to commercialize it at low cost.
【００４４】第３番目の本発明の帯板搬送装置による
と、逃がし孔から帯板の幅方向外側へ加圧気体の一部が
逃げ、吹き上がる加圧気体の力が弱められて、帯板に加
圧気体が吹き降りて衝突しても、帯板は傾斜しにくくな
るので、帯板の横ゆれを簡易に減少させると共に、低コ
ストで実用化が可能となる。According to the third embodiment of the strip conveying apparatus of the present invention, a part of the pressurized gas escapes to the outside in the width direction of the strip from the escape hole, and the force of the pressurized gas that blows up is weakened. Even if the pressurized gas blows down and collides with the strip, the strip is less likely to incline, so that the lateral swing of the strip can be easily reduced and the strip can be put to practical use at low cost.
【００４５】第４番目の本発明の帯板搬送装置による
と、サイドプレート側ほど中央部側よりも帯板を浮上さ
せる力が強くなり、帯板に加圧気体が吹き降りて衝突し
ても、帯板は傾斜しにくくなるので、帯板の横ゆれを簡
易に減少させると共に、低コストで実用化が可能とな
る。According to the fourth embodiment of the strip transporting apparatus of the present invention, the force for floating the strip is stronger on the side plate side than on the center part side, so that even if the pressurized gas blows down and collides with the strip plate, In addition, since the strip is less likely to be inclined, it is possible to easily reduce the lateral sway of the strip and to realize practical use at low cost.
【図１】第１番目の本発明の帯板搬送装置である一実施
例の一部破断断面構造図である。FIG. 1 is a partially broken cross-sectional structural view of an embodiment which is a first embodiment of a strip transport apparatus of the present invention.
【図２】第２番目の本発明の帯板搬送装置である一実施
例の一部破断断面構造図である。FIG. 2 is a partially cutaway sectional structural view of a second embodiment of the strip conveying apparatus of the present invention.
【図３】第３番目の本発明の帯板搬送装置である一実施
例の一部破断断面構造図である。FIG. 3 is a partially cut-away cross-sectional structural view of a third embodiment of a strip conveying apparatus according to the present invention.
【図４】そのIV−IV線矢視断面構造図である。FIG. 4 is a sectional view taken along line IV-IV of FIG.
【図５】第４番目の本発明の帯板搬送装置である一実施
例の一部破断断面構造図である。FIG. 5 is a partially cut-away sectional structural view of a fourth embodiment of the strip transport apparatus of the present invention.
【図６】その主要部拡大図である。FIG. 6 is an enlarged view of a main part thereof.
【図７】従来の帯板搬送装置の一部破断断面構造図であ
る。FIG. 7 is a partially cutaway cross-sectional structural view of a conventional strip transport device.
【図８】その帯板がずれた時の状態図である。FIG. 8 is a state diagram when the band plate is displaced.
１ 浮上装置 ２ 噴射口 ３ ダクト ４ 仕切板 ５ サイドプレート ６ 保温壁 １７ 緩衝板 ２５ サイドプレート ３５ サイドプレート ３８ 逃がし孔 ４４ 仕切板 １０１ 帯板 DESCRIPTION OF SYMBOLS 1 Floating device 2 Injection port 3 Duct 4 Partition plate 5 Side plate 6 Heat insulation wall 17 Buffer plate 25 Side plate 35 Side plate 38 Escape hole 44 Partition plate 101 Strip plate
───────────────────────────────────────────────────── フロントページの続き (72)発明者 谷崎 桂二 広島県広島市西区観音新町四丁目６番22 号 三菱重工業株式会社 広島研究所内 (72)発明者 村家 猛 広島県広島市西区観音新町四丁目６番22 号 三菱重工業株式会社 広島製作所内 (72)発明者 岡村 進 岡山県倉敷市水島川崎通一丁目（番地な し） 川崎製鉄株式会社 水島製鉄所内 (72)発明者 岩谷 明之 岡山県倉敷市水島川崎通一丁目（番地な し） 川崎製鉄株式会社 水島製鉄所内 (72)発明者 安達 一成 岡山県倉敷市水島川崎通一丁目（番地な し） 川崎製鉄株式会社 水島製鉄所内 (72)発明者 市 智之 岡山県倉敷市水島川崎通一丁目（番地な し） 川崎製鉄株式会社 水島製鉄所内 (72)発明者 萩原 光彦 岡山県倉敷市水島川崎通一丁目（番地な し） 川崎製鉄株式会社 水島製鉄所内 (72)発明者 足立 重好 岡山県倉敷市水島川崎通一丁目（番地な し） 川崎製鉄株式会社 水島製鉄所内 (72)発明者 近藤 高功 岡山県倉敷市水島川崎通一丁目（番地な し） 川崎製鉄株式会社 水島製鉄所内 (56)参考文献 特開 平２−282116（ＪＰ，Ａ) 実開 昭63−73227（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) B65G 51/03 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Keiji Tanizaki, Inventor Hiroshima Research Institute, Hiroshima City, Hiroshima Prefecture 4-62-22 Kannon Shinmachi Inside the Hiroshima Research Laboratory Mitsubishi Heavy Industries, Ltd. (72) Inventor Takeshi Muraya Kannon Shinmachi, Nishi-ku, Hiroshima City, Hiroshima Prefecture No. 6-22, Mitsubishi Heavy Industries, Ltd. within Hiroshima Works (72) Inventor Susumu Okamura 1-chome, Mizushima Kawasaki-dori, Kurashiki-shi, Okayama Pref. Mizushima Works, Kawasaki Steel Corporation (72) Inventor Akiyuki Iwaya Okayama 1-chome, Mizushima-Kawasaki-dori, Kurashiki City (without address) Inside Mizushima Works, Kawasaki Steel Co., Ltd. (72) Inventor Kazunari Adachi, 1-chome, Mizushima-Kawasaki-dori, Kurashiki City, Okayama Prefecture (without address) Inside Mizushima Works, 72 ) Inventor Tomoyuki Ichi 1-chome, Mizushima-Kawasaki-dori, Kurashiki-shi, Okayama Pref. Mitsuhiko Hara 1-chome, Mizushima-Kawasaki-dori, Kurashiki-shi, Okayama Pref.Kawasaki Steel Corporation Mizushima Steel Works (72) Inventor Shigeyoshi 1-chome, Mizushima-Kawasaki-dori, Kurashiki-shi, Okayama Pref. Inside the steelworks (72) Inventor Takako Kondo 1-chome, Mizushima-Kawasaki-dori, Kurashiki-shi, Okayama Pref. Kawasaki Steel Corporation Mizushima Works (56) References JP-A-2-282116 (JP, A) 63-73227 (JP, U) (58) Field surveyed (Int. Cl. 6 , DB name) B65G 51/03
Claims (4)
共に加圧気体を上方に噴射する複数の噴射口が形成され
且つ前記帯板の幅方向両端側にサイドプレートが立設さ
れた浮上装置と、前記帯板と前記浮上装置とを覆い込む
搬送路壁とを備えた帯板搬送装置において、前記帯板を
挟んで前記浮上装置と対向する緩衝板を設けたことを特
徴とする帯板搬送装置。1. A floating device provided below a pass line of a band plate, formed with a plurality of injection ports for injecting pressurized gas upward, and having side plates erected at both ends in the width direction of the band plate. And a transport path wall covering the strip and the levitation device, wherein a buffer plate facing the levitation device across the strip is provided. Transport device.
共に加圧気体を上方に噴射する複数の噴射口が形成され
且つ前記帯板の幅方向両端側にサイドプレートが立設さ
れた浮上装置と、前記帯板と前記浮上装置とを覆い込む
搬送路壁とを備えた帯板搬送装置において、前記帯板と
の間から吹き上がる加圧気体を拡散させるように前記サ
イドプレートを前記浮上装置の前記帯板の幅方向外側へ
突出させたことを特徴とする帯板搬送装置。2. A floating device provided below a pass line of a band plate and formed with a plurality of injection ports for jetting a pressurized gas upward, and side plates standing on both ends in the width direction of the band plate. And a belt transporting device having a transport path wall that covers the belt and the floating device ,
The side plate so as to diffuse the pressurized gas that blows up from between the widthwise outside of the band plate of the floating device.
A strip conveying device characterized by being protruded .
共に加圧気体を上方に噴射する複数の噴射口が形成され
且つ前記帯板の幅方向両端側にサイドプレートが立設さ
れた浮上装置と、前記帯板と前記浮上装置とを覆い込む
搬送路壁とを備えた帯板搬送装置において、前記サイド
プレートに前記噴射口からの前記加圧気体の一部を前記
帯板の幅方向外側へ逃がす逃がし孔を設けたことを特徴
とする帯板搬送装置。3. A levitation device which is provided below a pass line of the band plate, has a plurality of injection ports for injecting pressurized gas upward, and has side plates erected at both ends in the width direction of the band plate. And a transporting path wall that covers the strip and the levitation device, wherein a part of the pressurized gas from the injection port is formed on the side plate outside a width direction of the strip. A strip conveying device provided with an escape hole for escaping.
共に加圧気体を上方に噴射する複数の噴射口が形成され
且つ前記帯板の幅方向両端側にサイドプレートが立設さ
れた浮上装置と、前記帯板と前記浮上装置とを覆い込む
搬送路壁とを備えた帯板搬送装置において、前記帯板の
幅方向に配列して前記噴射口を複数列に仕切る複数の仕
切板を前記浮上装置に設け、これら仕切板の高さを前記
サイドプレート側に設けたものほど中央部側に設けたも
のよりも高く設定したことを特徴とする帯板搬送装置。4. A floating device provided below a pass line of a band plate and formed with a plurality of injection ports for jetting pressurized gas upward, and side plates standing on both ends in the width direction of the band plate. And, in a strip transporting apparatus having a transport path wall covering the strip and the floating device, the plurality of partition plates arranged in a width direction of the strip to partition the injection ports into a plurality of rows. A strip transporting device provided in a levitation device, wherein the height of these partition plates is set higher on the side plate side than on the center portion side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6069257A JP2895387B2 (en) | 1994-04-07 | 1994-04-07 | Strip conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6069257A JP2895387B2 (en) | 1994-04-07 | 1994-04-07 | Strip conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07277501A JPH07277501A (en) | 1995-10-24 |
| JP2895387B2 true JP2895387B2 (en) | 1999-05-24 |
Family
ID=13397491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6069257A Expired - Fee Related JP2895387B2 (en) | 1994-04-07 | 1994-04-07 | Strip conveyor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2895387B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101463909B1 (en) * | 2007-05-31 | 2014-11-26 | 주식회사 케이씨텍 | Substrate levitation pad and large area substrate levitation device using the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6373227U (en) * | 1986-10-31 | 1988-05-16 | ||
| JPH02282116A (en) * | 1989-04-21 | 1990-11-19 | Taikisha Ltd | Floating transport device |
-
1994
- 1994-04-07 JP JP6069257A patent/JP2895387B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07277501A (en) | 1995-10-24 |
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