EP2125255B1 - Guiding device for the chocks of work rolls - Google Patents

Guiding device for the chocks of work rolls Download PDF

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Publication number
EP2125255B1
EP2125255B1 EP07856037A EP07856037A EP2125255B1 EP 2125255 B1 EP2125255 B1 EP 2125255B1 EP 07856037 A EP07856037 A EP 07856037A EP 07856037 A EP07856037 A EP 07856037A EP 2125255 B1 EP2125255 B1 EP 2125255B1
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EP
European Patent Office
Prior art keywords
guide
guides
bending block
guide device
bending
Prior art date
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Active
Application number
EP07856037A
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German (de)
French (fr)
Other versions
EP2125255A1 (en
Inventor
Edgar Filk
Heiko Zetzsche
Otmar Giesler
Andreas Berendes
Bernd Tiepelmann
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.)
SMS Siemag AG
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SMS Siemag AG
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39149344&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2125255(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by SMS Siemag AG filed Critical SMS Siemag AG
Publication of EP2125255A1 publication Critical patent/EP2125255A1/en
Application granted granted Critical
Publication of EP2125255B1 publication Critical patent/EP2125255B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends

Definitions

  • the invention relates to a guide device for the chocks of work rolls of a rolling mill with fixed to the inner sides of the windows of the rolling mill or horizontally arranged guides, wherein the upper and the lower bending block each page are each associated with two mutually parallel guides.
  • Examples of such guiding devices are in DE 39 06 618 C2 or the EP 768 125 B1 disclosed.
  • each bending block In the DE 39 06 618 C2 holding pieces are provided, each holding two pairs of guides, which are guided on these guides the bending blocks for the upper and lower chock.
  • bushes or similar elements are provided, which are provided at the respective ends of the bending blocks.
  • each bending block on a guide bore which is also provided with a provokeslement.
  • the invention has for its object to simplify the guide for the bending blocks and in particular to avoid or substantially reduce the friction occurring in the known systems.
  • a guide device for the chocks of work rolls of a rolling stand with fixed to the inner sides of the window of the rolling stand or horizontally movable guides, wherein the upper and the lower bending block each side are associated with two mutually parallel guides, which thereby is characterized in that each bending block is associated with one of the guides, while it has a recess encompassing this for the parallel guide, wherein the upper Bending block is guided on one of the parallel guides and the lower bending block on the other guide.
  • each bending block has only one tube, which receives two slide bushings, so that this guide performs the actual leadership task.
  • a recess is then provided in this bending block.
  • associated other bending block serves this guide, for which a recess is provided in the aforementioned bending block, as the actual guide, while there is provided for the other guide a recess.
  • Bushings can be provided as plain bearings in the bending block.
  • anti-rotation sliding plates are provided on the front of the back bracket.
  • the guides can be designed as circular guides.
  • the guides are fastened by means of a holder in turn on the rolling stand.
  • the guide device can be provided with a horizontal displacement system.
  • the bending system consists of 4 units 1 each with 2 bending blocks 2,3 or 4,5 and a holder 20.
  • two bending cylinders 12 which engage with their rod end 13 at the upper bending block, are seated in the lower bending block.
  • a version with a cylinder is also possible.
  • the rear bracket 20 also serves as a vertical stop for the cylinder movements.
  • the work roll chocks were designed in their contour so that the line of action of the bending cylinder is as close to the center of the bearing. This results in a different contour from the previously used design, but the advantages of fast roll change are retained.
  • the bending system can be used in conventional design, as well as in connection with means for horizontal displacement (HS) of the work rolls. In both cases, the system can be combined with axial displacement devices (CVC, EDC, or similar).
  • FIG. 3 is the holder 20 for the guide rods, in this case 6 and 7, shown enlarged.
  • FIG. 4 Yet another embodiment of the horizontal displacement of the example of the guide rods 6 and 7. This takes place here via wedge surfaces 14 and 15 and a displacement drive 16th

Abstract

A guiding device for the chocks of work rolls of a rolling stand comprising guides arranged fixedly or horizontally movably on the inner sides of the windows of the rolling stand, wherein the upper and lower bending blocks of each side are respectively assigned two guides arranged parallel to each other. Each bending block is assigned one of the guides, while it has a recess for the parallel running guide that extends around said guide, wherein the upper bending block is guided on one of the parallel guides and the lower bending block is guided on the other guide.

Description

Die Erfindung betrifft eine Führungsvorrichtung für die Einbaustücke von Arbeitswalzen eines Walzgerüstes mit an den Innenseiten der Fenster des Walzgerüstes fest oder horizontal beweglich angeordneten Führungen, wobei dem oberen und dem unteren Biegeblock jeder Seite jeweils zwei parallel zueinander angeordnete Führungen zugeordnet sind.The invention relates to a guide device for the chocks of work rolls of a rolling mill with fixed to the inner sides of the windows of the rolling mill or horizontally arranged guides, wherein the upper and the lower bending block each page are each associated with two mutually parallel guides.

Beispiele für derartige Führungsvorrichtungen sind in der DE 39 06 618 C2 oder der EP 768 125 B1 offenbart.Examples of such guiding devices are in DE 39 06 618 C2 or the EP 768 125 B1 disclosed.

Bei der DE 39 06 618 C2 sind Haltestücke vorgesehen, die jeweils zwei Paar von Führungen halten, wobei auf diesen Führungen die Biegeblöcke für das obere bzw. das untere Einbaustück geführt sind. Für die Führung sind Führungsrohre,-buchsen oder vergleichbare Elemente vorgesehen, die an den jeweiligen Enden der Biegeblöcke vorgesehen sind. Zur Verdrehsicherung weist jeder Biegeblock eine Führungsbohrung auf, die ebenfalls mit einem Führungslement versehen ist.In the DE 39 06 618 C2 holding pieces are provided, each holding two pairs of guides, which are guided on these guides the bending blocks for the upper and lower chock. For the guide guide tubes, bushes or similar elements are provided, which are provided at the respective ends of the bending blocks. To prevent rotation, each bending block on a guide bore, which is also provided with a Führungslement.

Bei der aus der EP 768 125 B1 bekannten Lösung sind an Stelle von Rohren als Führung Stangen oder Zylinderstäbe vorgesehen.At the time of the EP 768 125 B1 known solution rods or cylinder rods are provided instead of tubes as a guide.

Der Erfindung liegt die Aufgabe zugrunde, die Führung für die Biegeblöcke zu vereinfachen und insbesondere die bei den bekannten Systemen auftretende Reibung zu vermeiden bzw. wesentlich zu verringern.The invention has for its object to simplify the guide for the bending blocks and in particular to avoid or substantially reduce the friction occurring in the known systems.

Gelöst wird diese Aufgabe erfindungsgemäß mit einer Führungsvorrichtung für die Einbaustücke von Arbeitswalzen eines Walzgerüstes mit an den Innenseiten der Fenster des Walzgerüstes fest oder horizontal beweglich angeordneten Führungen, wobei dem oberen und dem unteren Biegeblock jeder Seite jeweils zwei parallel zueinander angeordnete Führungen zugeordnet sind, die dadurch gekennzeichnet ist, dass jedem Biegeblock eine der Führungen zugeordnet ist, während es für die parallel verlaufende Führung eine diese umgreifende Ausnehmung aufweist, wobei der obere Biegeblock auf der einen der parallelen Führungen geführt ist und der untere Biegeblock auf der anderen Führung.This object is achieved according to the invention with a guide device for the chocks of work rolls of a rolling stand with fixed to the inner sides of the window of the rolling stand or horizontally movable guides, wherein the upper and the lower bending block each side are associated with two mutually parallel guides, which thereby is characterized in that each bending block is associated with one of the guides, while it has a recess encompassing this for the parallel guide, wherein the upper Bending block is guided on one of the parallel guides and the lower bending block on the other guide.

Hierbei handelt es sich um ein System, das wie das bisher bekannte System der Walzenbiegung mit Biegeblöcken (Führungsstücken) arbeitet. Grundsätzlich anders ist die Art und Weise in der die Biegeblöcke geführt werden. Dies dient dazu die Reibung im System signifikant zu verringern.This is a system that works like the previously known system of roll bending with bending blocks (guide pieces). Basically, the way in which the bending blocks are guided is different. This serves to significantly reduce the friction in the system.

Bei der erfindungsgemäßen Lösung sind ebenfalls zwei Führungen je Führungsvorrichtung vorgesehen, aber jeder Biegeblock weist nur ein Rohr auf, das zwei Gleitbuchsen aufnimmt, so dass diese Führung die eigentliche Führungsaufgabe wahrnimmt. Für die zweite Führung ist in diesem Biegeblock dann eine Ausnehmung vorgesehen. Beim zugeordneten anderen Biegeblock dient dann diese Führung, für die im vorher genannten Biegeblock eine Ausnehmung vorgesehen ist, als eigentliche Führung, während für die andere Führung dort eine Ausnehmung vorgesehen ist. Somit kommt für die Führung eines Biegeblockes jeweils nur eine Führung der Führungsvorrichtung zum Einsatz.In the solution according to the invention two guides per guide device are also provided, but each bending block has only one tube, which receives two slide bushings, so that this guide performs the actual leadership task. For the second guide, a recess is then provided in this bending block. When associated other bending block then serves this guide, for which a recess is provided in the aforementioned bending block, as the actual guide, while there is provided for the other guide a recess. Thus, only one guide of the guide device is used for the guidance of a bending block.

Im Biegeblock können Buchsen als Gleitlager vorgesehen sein.Bushings can be provided as plain bearings in the bending block.

Als Verdrehsicherung sind an der Vorderseite der rückseitigen Halterung Gleitplatten vorgesehen.As anti-rotation sliding plates are provided on the front of the back bracket.

Die Führungen können als Rundführungen ausgebildet sein.The guides can be designed as circular guides.

Vorzugsweise sind die Führungen mittels einer Halterung ihrerseits am Walzgerüst befestigt.Preferably, the guides are fastened by means of a holder in turn on the rolling stand.

Schließlich kann die Führungsvorrichtung mit einem Horizontalverschiebesystem versehen sein.Finally, the guide device can be provided with a horizontal displacement system.

Die erfindungsgemäße Lösung soll nachfolgend mit Bezug auf die Zeichnungen erläutert werden.The solution according to the invention will be explained below with reference to the drawings.

Dabei zeigt:

Fig. 1
eine perspektivische Darstellung der vier Biegeblöcke,
Fig. 2
eine Seitenansicht, teilweise geschnitten,
Fig. 3
die Halterung der Führungsstangen im Detail und
Fig. 4
ein Ausführungsbeispiel für die Horizontalverschiebung.
Showing:
Fig. 1
a perspective view of the four bending blocks,
Fig. 2
a side view, partially cut,
Fig. 3
the holder of the guide rods in detail and
Fig. 4
an embodiment of the horizontal displacement.

Bei der Darstellung der erfindungsgemäßen Lösung wurden zur Vereinfachung nur die Teile dargestellt, auf die es für das Verständnis ankommt.In the presentation of the solution according to the invention, only the parts that are important for the understanding are shown for the sake of simplicity.

Das Biegesystem besteht aus 4 Einheiten 1 mit je 2 Biegeblöcken 2,3 bzw. 4,5 und einer Halterung 20.The bending system consists of 4 units 1 each with 2 bending blocks 2,3 or 4,5 and a holder 20.

Pro Halterung gibt es 2 Führungsstangen 6 und 7 bzw. 8 und 9, welche beispielsweise am Walzenständer befestigt ist. Auf jeder Führungstange 6 bzw. 7 ist jeweils ein Biegeblock geführt, und zwar der obere Biegeblock 2 der einen Seite auf der Führung 7, der untere Biegeblock 3 dieser Seite auf der Führung 6 und entsprechend auf der anderen Seite, der obere Biegeblock 4 auf der Führung 8 und der untere Biegeblock 5 auf der Führung 9. Bezogen auf den einen Biegeblock 2 ist dann für die andere Führung 6 eine Ausnehmung 10 vorgesehen. Der untere Biegeblock 3 dieser Seite umgreift dann die Führung 7 mit einer entsprechenden Ausnehmung teilweise.
Entsprechendes gilt für die Biegeblöcke der andere Seite.There are 2 guide rods 6 and 7 or 8 and 9 per holder, which is fastened to the roll stand, for example. On each guide rod 6 and 7, respectively, a bending block is guided, namely the upper bending block 2 one side on the guide 7, the lower bending block 3 of this page on the guide 6 and accordingly on the other side, the upper bending block 4 on the Guide 8 and the lower bending block 5 on the guide 9. Relative to the one bending block 2, a recess 10 is then provided for the other guide 6. The lower bending block 3 of this page then surrounds the guide 7 with a corresponding recess partially.
The same applies to the bending block on the other side.

Eine weitere Besonderheit im Gegensatz zu früheren Ausführungen ist hier die Länge der Führung.
Im Biegeblock sitzen Buchsen als Gleitlager, an der Halterung 20 sind Gleitleisten 11 als Verdrehsicherung vorgesehen.Another special feature in contrast to earlier versions here is the length of the guide.
In the bending block bushes sit as plain bearings, on the holder 20 slide strips 11 are provided as anti-rotation.

Im unteren Biegeblock sitzen bei dem dargestellten Ausführungsbeispiel 2 Biegezylinder 12, die mit ihrem Stangenkopf 13 am oberen Biegeblock angreifen. Eine Ausführung mit einem Zylinder ist ebenfalls möglich. Die rückseitige Halterung 20 dient auch als vertikaler Anschlag für die Zylinderbewegungen.In the illustrated embodiment, two bending cylinders 12, which engage with their rod end 13 at the upper bending block, are seated in the lower bending block. A version with a cylinder is also possible. The rear bracket 20 also serves as a vertical stop for the cylinder movements.

Die Arbeitswalzeneinbaustücke wurden in ihrer Kontur so gestaltet das die Wirkungslinie der Biegezylinder möglichst nahe der Lagermitte liegt. Daraus ergibt sich eine vom bisher verwendeten Design abweichende Kontur, jedoch bleiben die Vorteile des schnellen Walzenwechsels erhalten.The work roll chocks were designed in their contour so that the line of action of the bending cylinder is as close to the center of the bearing. This results in a different contour from the previously used design, but the advantages of fast roll change are retained.

Das Biegesystem ist einsetzbar in konventioneller Bauart, wie auch in Verbindung mit Einrichtungen zur horizontalen Verschiebung (HS) der Arbeitswalzen. In beiden Fällen ist das System kombinierbar mit Axialverschiebeeinrichtungen (CVC,EDC,o.ä.).The bending system can be used in conventional design, as well as in connection with means for horizontal displacement (HS) of the work rolls. In both cases, the system can be combined with axial displacement devices (CVC, EDC, or similar).

In der Figur 3 ist die Halterung 20 für die Führungsstangen, in diesem Fall 6 und 7, vergrößert dargestellt.In the FIG. 3 is the holder 20 for the guide rods, in this case 6 and 7, shown enlarged.

Schließlich zeigt die Figur 4 noch ein Ausführungsbeispiel für die Horizontalverschiebung am Beispiel der Führungsstangen 6 und 7. Diese erfolgt hier über Keilflächen 14 und 15 und einen Verschiebeantrieb 16.Finally, the shows FIG. 4 Yet another embodiment of the horizontal displacement of the example of the guide rods 6 and 7. This takes place here via wedge surfaces 14 and 15 and a displacement drive 16th

Claims (6)

  1. A guide device for the chocks of work rolls of a rolling stand with guides (6, 7, 8, 9) arranged to be fixed or horizontally movable at the inner sides of the apertures of the rolling stand, wherein two guides (6, 7; 8, 9) arranged parallel to one another are assigned to the upper and the lower bending blocks (2, 3, 4, 5) of each side, characterised in that one of the guides (6-9) is assigned to each bending block (2-5), whilst it has for the parallelly extending guide a recess (10) surrounding this guide, wherein the upper bending block (2; 4) is guided on one of the parallel guides (7; 8) and the lower bending block (3; 5) on the other guide (6; 9).
  2. A guide device according to claim 1, characterised in that bushes are provided as plain bearings in the bending block.
  3. A guide device according to one of the preceding claims, characterised in that slide plates (11) are provided as anti-twist means at the front side of the rear mount (20).
  4. A guide device according to any one of the preceding claims, characterised in that the guides are constructed as round guides.
  5. A guide device according to any one of the preceding claims, characterised in that the guides are in turn attached to the rolling stand by means of a mount (20).
  6. A guide device according to any one of the preceding claims, characterised in that it is provided with a horizontal shift system.
EP07856037A 2007-01-03 2007-11-27 Guiding device for the chocks of work rolls Active EP2125255B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007001322A DE102007001322A1 (en) 2007-01-03 2007-01-03 Guide device for the chocks of work rolls
PCT/DE2007/002144 WO2008080376A1 (en) 2007-01-03 2007-11-27 Guiding device for the chocks of work rolls

Publications (2)

Publication Number Publication Date
EP2125255A1 EP2125255A1 (en) 2009-12-02
EP2125255B1 true EP2125255B1 (en) 2011-10-19

Family

ID=39149344

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07856037A Active EP2125255B1 (en) 2007-01-03 2007-11-27 Guiding device for the chocks of work rolls

Country Status (12)

Country Link
US (1) US8225637B2 (en)
EP (1) EP2125255B1 (en)
JP (1) JP5386368B2 (en)
KR (1) KR101127408B1 (en)
CN (1) CN101563173B (en)
AT (1) ATE529200T1 (en)
BR (1) BRPI0720753B1 (en)
CA (1) CA2674126C (en)
DE (1) DE102007001322A1 (en)
ES (1) ES2373127T3 (en)
RU (1) RU2429924C2 (en)
WO (1) WO2008080376A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10243677A1 (en) * 2002-09-20 2004-04-01 Sms Demag Ag Device for bending rollers in a multiple roller rolling mill comprises a vertical positioning unit assigned to bending blocks of one roll stand, to a plunger cylinder and to the bending blocks of the opposite-lying roll stand
DE102008032522A1 (en) * 2008-07-10 2010-01-14 Sms Siemag Aktiengesellschaft Rolling device with adjusting device
JP5311206B2 (en) * 2008-12-05 2013-10-09 大日本印刷株式会社 Nip roll mechanism
DE102022203570A1 (en) * 2022-04-08 2023-10-12 Sms Group Gmbh Guide device for chocks of work rolls in a roll stand

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1260283B (en) * 1965-01-20 1968-02-01 Franz Ropohl Device for cleaning dust-laden fiber fleece air filter packs by means of a purge air stream
GB1402696A (en) * 1972-10-18 1975-08-13 Schloemann Ag Roll stand
JPH0749124B2 (en) * 1986-03-20 1995-05-31 株式会社日立製作所 Roll shift rolling mill
DE3906618C2 (en) 1989-03-02 1997-03-27 Schloemann Siemag Ag Guide device for the chocks of work rolls of a roll stand
DE4314472A1 (en) * 1993-05-03 1994-11-10 Schloemann Siemag Ag Bending block for bending the rolls of multi-roll stands
FR2718311A1 (en) * 1994-03-30 1995-10-06 Trt Telecom Radio Electr Device for implementing a message signature system and chip card comprising such a device.
DE19536042A1 (en) 1995-09-28 1997-04-03 Schloemann Siemag Ag Guide device for four or multi-roll stands
DE19922373A1 (en) * 1999-05-14 2000-11-16 Sms Demag Ag Ingots used in hot rolling have a double acting hydraulic piston cylinder unit with both ends connected to guide pieces
US6748782B1 (en) 2000-03-01 2004-06-15 Hitachi, Ltd. Rolling mill, looseness eliminating device of roll bearing housing, rolling method, method of modifying rolling mill, and hot finishing tandem rolling equipment
EP1184094A3 (en) * 2000-08-29 2004-12-22 Hitachi, Ltd. Rolling mill and rolling method
JP4484376B2 (en) * 2001-01-22 2010-06-16 アイセル株式会社 Guide device
DE10150690A1 (en) * 2001-10-17 2003-04-30 Sms Demag Ag rolling device
DE50214899D1 (en) * 2001-12-12 2011-03-17 Sms Siemag Ag DEVICE FOR MEASURING THE ROLL OF THE ROLL BETWEEN WORKING ROLLERS OF A COLD OR WARM ROLLING SCAFFOLD

Also Published As

Publication number Publication date
CN101563173A (en) 2009-10-21
KR20090096608A (en) 2009-09-11
US8225637B2 (en) 2012-07-24
CA2674126A1 (en) 2008-07-10
US20100313622A1 (en) 2010-12-16
JP5386368B2 (en) 2014-01-15
BRPI0720753A2 (en) 2014-01-21
RU2429924C2 (en) 2011-09-27
JP2010514573A (en) 2010-05-06
ES2373127T3 (en) 2012-01-31
WO2008080376A1 (en) 2008-07-10
KR101127408B1 (en) 2012-03-22
RU2009129517A (en) 2011-02-10
EP2125255A1 (en) 2009-12-02
ATE529200T1 (en) 2011-11-15
CN101563173B (en) 2011-05-11
BRPI0720753B1 (en) 2019-08-13
CA2674126C (en) 2013-04-02
DE102007001322A1 (en) 2008-07-10

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