JPH0620770Y2 - Floating type turning device for running steel strip - Google Patents
Floating type turning device for running steel stripInfo
- Publication number
- JPH0620770Y2 JPH0620770Y2 JP1990092923U JP9292390U JPH0620770Y2 JP H0620770 Y2 JPH0620770 Y2 JP H0620770Y2 JP 1990092923 U JP1990092923 U JP 1990092923U JP 9292390 U JP9292390 U JP 9292390U JP H0620770 Y2 JPH0620770 Y2 JP H0620770Y2
- Authority
- JP
- Japan
- Prior art keywords
- steel strip
- turning device
- type turning
- pressure chamber
- gas
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims description 23
- 239000010959 steel Substances 0.000 title claims description 23
- 239000007788 liquid Substances 0.000 claims description 15
- 238000005339 levitation Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 15
- 238000000137 annealing Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Landscapes
- Advancing Webs (AREA)
- Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は、走行鋼帯の浮揚式方向転換装置に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a floating type turning device for a traveling steel strip.
（従来の技術と考案が解決しようとする課題） 従来、竪型連続焼鈍炉等において、一般に、下部での鋼
帯の縦パスから横パスへの方向転換手段として、デフレ
クタロールを用いている。(Problems to be Solved by Conventional Techniques and Inventions) Conventionally, in a vertical continuous annealing furnace or the like, a deflector roll is generally used as a direction changing means from a vertical pass to a horizontal pass of a steel strip at a lower portion.
ところが、このデフレクタロールでは、鋼帯の走行スピ
ードとロールの回転スピードとの差により鋼帯の表面に
疵が付いたり、特に、鋼帯のスレッディング時に、炉内
からの酸化スケールがロールに噛み込み、噛み込み疵が
発生したりするという問題がある。However, in this deflector roll, the surface of the steel strip is flawed due to the difference between the running speed of the steel strip and the rotation speed of the roll, and especially when the steel strip is threaded, the oxide scale from the furnace gets caught in the roll. However, there is a problem that biting flaws may occur.
したがって、前記問題を解決するため、たとえば、特開
昭６０−９３０５６号公報等で、前記ロ−ルを中空ロー
ルとし、その周面に多数の噴出孔を設け、この噴出孔か
ら圧力流体を噴出させて、鋼帯を非接触状態で方向転換
させる浮揚式方向転換装置が提案されている。Therefore, in order to solve the above-mentioned problem, for example, in Japanese Patent Laid-Open No. 60-93056, the roll is a hollow roll, and a large number of ejection holes are provided on the peripheral surface, and a pressure fluid is ejected from the ejection holes. Therefore, a float-type turning device has been proposed which changes the direction of a steel strip in a non-contact state.
しかしながら、焼鈍炉で熱処理される鋼帯には、種々の
材質のものがあり、また、その厚みも異なり、次工程に
搬送する前に、液体により冷却する必要がある場合があ
るが、前記浮揚式方向転換装置では、噴出流体は、気体
か液体かのいずれか一方であり、鋼帯の変更あるいは次
工程の操業条件等にもとづき噴出流体を適宜変更するこ
とができないという問題を有する。However, there are various kinds of steel strips that are heat-treated in the annealing furnace, and the thicknesses thereof are different, and it may be necessary to cool them with liquid before transporting them to the next step. In the type redirection device, the jetted fluid is either a gas or a liquid, and there is a problem that the jetted fluid cannot be appropriately changed based on the change of the steel strip or the operating condition of the next process.
したがって、本考案は、鋼帯の変更あるいは次工程の操
業条件等により噴出流体を変更する場合においても、容
易に対応することのできる走行鋼帯の浮揚式方向転換装
置を提供することを目的とする。Therefore, an object of the present invention is to provide a levitation type turning device for a traveling steel strip which can easily cope with the case where the jet fluid is changed depending on the change of the steel strip or the operating condition of the next process. To do.
（課題を解決するための手段） 本考案は、前記目的を達成するために、走行鋼帯の浮揚
式方向転換装置を、回転可能に支承した中空ロール内
を、区画板により少なくとも気体用圧力室と液体用圧力
室との２室に区画するとともに、各圧力室の周壁に流体
噴出部を設け、操業条件により気体浮揚と液体浮揚とを
選択可能としたものである。(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention provides at least a gas pressure chamber with a partition plate in a hollow roll that rotatably supports a floating type turning device for a traveling steel strip. And a liquid pressure chamber, and a fluid jetting portion is provided on the peripheral wall of each pressure chamber so that gas levitation and liquid levitation can be selected depending on operating conditions.
（作用） したがって、操業条件により、中空ロールを所定角度回
転させて、気体あるいは液体を噴出させることができ
る。(Operation) Therefore, depending on the operating conditions, the hollow roll can be rotated by a predetermined angle to eject gas or liquid.
（実施例） つぎに、本考案の一実施例を図面にしたがって説明す
る。(Embodiment) Next, an embodiment of the present invention will be described with reference to the drawings.
第１図は本考案にかかる浮揚式方向転換装置を備えた竪
型連続焼鈍炉Ａを示し、１は予熱帯、２は加熱帯、３は
均熱帯、４は徐冷帯、５は冷却帯、６は最終冷却帯で、
鋼帯Ｗは、ロールチャンバー７内のデフレクタロール８
および本考案にかかる浮揚式方向転換装置９を介して前
記予熱帯１から最終冷却帯６へ通板されるようになって
いる。FIG. 1 shows a vertical continuous annealing furnace A equipped with a levitation type turning device according to the present invention, where 1 is a pre-tropical zone, 2 is a heating zone, 3 is a soaking zone, 4 is a slow cooling zone, and 5 is a cooling zone. , 6 is the final cooling zone,
The steel strip W is a deflector roll 8 in the roll chamber 7.
The pre-tropical zone 1 is passed to the final cooling zone 6 through the levitation type turning device 9 according to the present invention.
前記方向転換装置９は、第２図に示すように、図示しな
いモータ等の回動装置で所定角度回動するように支承さ
れた中空ロール１０内を、区画板１１により内部を２空
間に区画し、一方を液体用圧力室１３に、他方を気体用
圧力室１５としたものである。As shown in FIG. 2, the direction changing device 9 divides the inside of the hollow roll 10 supported by a rotation device such as a motor (not shown) so as to rotate at a predetermined angle into two spaces by a partition plate 11. One of them is the pressure chamber for liquid 13 and the other is the pressure chamber for gas 15.
そして、前記液体用圧力室１３および気体用圧力室１５
の周壁には、多数の孔１２ａと軸方向に開口した複数の
スリット１２ｂとからなる流体噴出部１２が設けてある
（第３図参照）。Then, the liquid pressure chamber 13 and the gas pressure chamber 15
The peripheral wall is provided with a fluid ejection portion 12 including a large number of holes 12a and a plurality of slits 12b opened in the axial direction (see FIG. 3).
したがって、いま、鋼帯Ｗを気体により浮揚させて方向
を転換するには、図示しないモータ等の駆動装置を駆動
して気体圧力室１５を鋼帯Ｗに面するように回動し、図
示しない手段で供給した圧力気体を気体用圧力室１５の
孔１２ａ，スリット１２ｂから噴出させればよい。な
お、気体としては、冷却気体、高温気体でもよい。Therefore, in order to levitate the steel strip W with gas and change the direction, the driving device such as a motor (not shown) is driven to rotate the gas pressure chamber 15 so as to face the steel strip W, and not shown. The pressure gas supplied by the means may be ejected from the holes 12a and the slits 12b of the gas pressure chamber 15. The gas may be a cooling gas or a high temperature gas.
一方、鋼帯Ｗを水等により冷却させつつ方向転換させる
には、図示しないモータ等の駆動装置によって回動さ
せ、液体用圧力室１３を鋼帯Ｗに面するようにし、液体
用圧力室１３の孔１２ａ，スリット１２ｂから圧力液体
を噴出させて行うものである。なお、液体としては、冷
水、温水あるいは蒸気でもよい。On the other hand, in order to change the direction while cooling the steel strip W with water or the like, the steel strip W is rotated by a driving device such as a motor (not shown) so that the liquid pressure chamber 13 faces the steel strip W. The pressure liquid is ejected from the holes 12a and the slits 12b. The liquid may be cold water, hot water or steam.
前記、実施例では、流体噴出部１２を多数の孔１２ａと
複数のスリット１２ｂで構成したが、この液体噴出部１
２は、たとえば、第４図に示すように、互いに内方に向
かって軸方向に開口するスリットからなる公知の静圧パ
ッド１５ａ形式でもよく、また、多数の孔１２ａのみで
もよい。さらに、この浮揚式方向転換装置９に鋼帯Ｗの
蛇行防止機能を付加してもよい。In the above-described embodiment, the fluid ejection portion 12 is composed of a large number of holes 12a and a plurality of slits 12b.
The 2 may be, for example, as shown in FIG. 4, a known static pressure pad 15a type including slits that open inward in the axial direction, or may be a large number of holes 12a. Furthermore, a function of preventing the steel strip W from meandering may be added to the levitation type turning device 9.
（考案の効果） 以上の説明で明らかなように、本考案によれば、方向転
換装置を構成する中空ロール内に、気体用圧力室と液体
用圧力室とを設け、中空ロールを所定角度回動すること
により、熱処理する鋼帯の操業条件に対処することがで
きる。(Effect of the Invention) As is clear from the above description, according to the present invention, the gas pressure chamber and the liquid pressure chamber are provided in the hollow roll forming the direction changing device, and the hollow roll is rotated at a predetermined angle. By moving, the operating conditions of the steel strip to be heat treated can be dealt with.
しかも、本考案にかかる方向転換装置の中空ロールは、
鋼帯と非接触であるため、デフレクタロールの欠点は全
くない。Moreover, the hollow roll of the direction changing device according to the present invention is
Since it is not in contact with the steel strip, there are no drawbacks of the deflector roll.
第１図は本考案の浮揚式方向転換装置を備えた竪型連続
焼鈍炉の概略図、第２図は中空ロールの断面図、第３図
は第２図の液体用圧力室の平面図で、第４図は第２図の
気体用圧力室の部分断面図である。 Ｗ……鋼帯、９……浮揚式方向転換装置、１０……中空
ロール、１１……区画板、１２……流体噴出部、１３…
…液体用圧力室、１５……気体用圧力室、１５ａ……静
圧パッド。FIG. 1 is a schematic view of a vertical continuous annealing furnace equipped with the levitation type turning device of the present invention, FIG. 2 is a sectional view of a hollow roll, and FIG. 3 is a plan view of a liquid pressure chamber of FIG. FIG. 4 is a partial sectional view of the gas pressure chamber of FIG. W ... Steel strip, 9 ... Levitation type turning device, 10 ... Hollow roll, 11 ... Partition plate, 12 ... Fluid ejection part, 13 ...
... liquid pressure chamber, 15 ... gas pressure chamber, 15a ... static pressure pad.
Claims (1)
板により少なくとも気体用圧力室と液体用圧力室との２
室に区画するとともに、各圧力室の周壁に流体噴出部を
設け、操業条件により気体浮揚と液体浮揚とを選択可能
としたことを特徴とする走行鋼帯の浮揚式方向転換装
置。1. A rotatably supported hollow roll having at least two gas pressure chambers and liquid pressure chambers formed by partition plates.
A levitation-type turning device for a traveling steel strip, characterized in that it is divided into chambers, and a fluid jetting portion is provided on the peripheral wall of each pressure chamber, so that gas levitation or liquid levitation can be selected depending on operating conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990092923U JPH0620770Y2 (en) | 1990-09-03 | 1990-09-03 | Floating type turning device for running steel strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990092923U JPH0620770Y2 (en) | 1990-09-03 | 1990-09-03 | Floating type turning device for running steel strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0451456U JPH0451456U (en) | 1992-04-30 |
| JPH0620770Y2 true JPH0620770Y2 (en) | 1994-06-01 |
Family
ID=31829747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990092923U Expired - Fee Related JPH0620770Y2 (en) | 1990-09-03 | 1990-09-03 | Floating type turning device for running steel strip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0620770Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7491529B2 (en) * | 2021-09-09 | 2024-05-28 | 株式会社都ローラー工業 | Perforated conveying roll, sheet material manufacturing device, and sheet material processing device |
| TWI872406B (en) * | 2022-12-07 | 2025-02-11 | 日商都滾筒工業股份有限公司 | Perforated conveyor roller, sheet material manufacturing device and sheet material processing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6093056A (en) * | 1983-10-27 | 1985-05-24 | Konishiroku Photo Ind Co Ltd | Direction converting device for web feed |
| DE3607371C1 (en) * | 1986-03-06 | 1987-08-20 | Hilmar Vits | Device for the floating guiding of material webs using a gaseous or liquid medium |
-
1990
- 1990-09-03 JP JP1990092923U patent/JPH0620770Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0451456U (en) | 1992-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |