EP2598262B1 - Cage de laminoir avec supports de rouleaux - Google Patents

Cage de laminoir avec supports de rouleaux Download PDF

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Publication number
EP2598262B1
EP2598262B1 EP11748543.3A EP11748543A EP2598262B1 EP 2598262 B1 EP2598262 B1 EP 2598262B1 EP 11748543 A EP11748543 A EP 11748543A EP 2598262 B1 EP2598262 B1 EP 2598262B1
Authority
EP
European Patent Office
Prior art keywords
roll
work
rolls
axial
chock
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.)
Not-in-force
Application number
EP11748543.3A
Other languages
German (de)
English (en)
Other versions
EP2598262A1 (fr
Inventor
Peter Pentschev
Herbert Schaupmayr
Andreas Rab
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.)
Andritz AG
Original Assignee
Andritz AG
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
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Application filed by Andritz AG filed Critical Andritz AG
Publication of EP2598262A1 publication Critical patent/EP2598262A1/fr
Application granted granted Critical
Publication of EP2598262B1 publication Critical patent/EP2598262B1/fr
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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
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/18—Adjusting or positioning rolls by moving rolls axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B21B13/142—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls by axially shifting the rolls, e.g. rolls with tapered ends or with a curved contour for continuously-variable crown CVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/12—Axial shifting the rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/40—Control of flatness or profile during rolling of strip, sheets or plates using axial shifting of the rolls

Definitions

  • the subject of this invention is a rolling device with work rolls and optionally with intermediate rolls, which are mounted by means of roll chocks via radial bearings in a roll stand, wherein the deflection of the work rolls can be influenced via bending blocks.
  • the subject of this invention also provides a method for conversion, in particular for retrofitting, a rolling stand with work rolls and / or intermediate rolls without Axialverschiebungs adopted on a roll stand with Axialverschiebungs arthritis.
  • Roller shifters are generally used to widen the flatness range using individual roll cuts. This brings logistical, business and qualitative benefits.
  • the displacement device In conventional rolling stands with axial displacement, the displacement device is fixedly integrated into the rolling stand.
  • the work rolls have a one-piece construction and are mounted on roll chocks in the rolling stand.
  • the roll chocks are also constructed in one piece and at the same time include the radial bearings and the thrust bearings for the work rolls.
  • Roll stands with axial displacement devices for the work rolls and optionally for the intermediate rolls have a more complex structure than rolling stands without axial displacement and are therefore more expensive.
  • the US 2,669,493 discloses a roll stand with a device for axially positioning the rolls.
  • the invention is therefore an object of the invention to disclose a rolling device that can be retrofitted with a axial displacement for the work rolls without much time and cost.
  • a rolling device in which for a axial displacement of at least one work roll or an intermediate roll, a roll stub is attached to this work roll or intermediate roll.
  • this roller stub is screwed, but it can also be attached via an adhesive connection or via a press fit.
  • the roller stub is mounted on a thrust bearing in another roll chock, wherein the other roll chock is screwed to the roll chock of the axially displaceable rollers.
  • the roll chock is slidable via an axial guide relative to the bending block in the axial direction.
  • the rolling device according to the invention can thus be easily retrofitted with an axial displacement device.
  • an axial displacement device Through the work rolls or intermediate rolls with screw-on roll stubs and through the two-piece roll chocks a subsequent conversion designed particularly simple, since only a few components must be replaced.
  • rollers are secured with the attached thereto roller stubs via an axial lock in position.
  • the bearing cap via an intermediate piece with the associated roll chock, in which only the radial bearing is arranged, bolted.
  • the bearing caps, the spacers and the corresponding roller stubs are unscrewed.
  • the existing rollers are then screwed correspondingly longer roller stub for receiving the axial bearing.
  • These roller stubs are mounted via thrust bearings in a further roll chock, wherein the other roll chock is bolted to the existing roll chock for the radial bearing.
  • the entire bearing system for the axial bearing is thus easily screwed to the existing rolling device for a conversion. Retrofitting is possible with a minimum of time and expense.
  • a roll stub is screwed to both work rolls.
  • both work rolls can be easily retrofitted with an axial displacement device.
  • the subject of this invention also provides a method for converting a rolling stand with work rolls and optionally intermediate rolls without axial displacement on a roll stand with Axialverschiebe listening.
  • the method is characterized in that attached to at least one work roll or an intermediate roll a stub roll - preferably screwed - and that is screwed to a roll chock of this roll another roll chock.
  • the roller stub is mounted on a thrust bearing in another roll chock and the Roll chock is slidable via an axial guide in the axial direction, so that in an axial displacement of the other roll chock and the roll chock and the corresponding roller are moved in the axial direction.
  • the axial displacement of the roller or rollers is normally performed via a hydraulic cylinder. However, it is also conceivable that the axial displacement is performed via an electromechanical linear drive. This can save the complex hydraulic system and increase energy efficiency.
  • the process offers the advantage that the existing roll chocks for the radial bearings, the existing bearing caps and the existing work rolls can still be used without machining.
  • FIG. 1 a conventional rolling device 1 according to the prior art is shown with an axial displacement device.
  • the work rolls 2 are made in one piece. They are mounted on radial bearings 3 and thrust bearing 8, which are arranged on the roller stub 9, in a one-piece work roll chock 4.
  • the bearing cap 20 are screwed. The axial forces are transmitted via the thrust bearing 8 on the work rolls 2.
  • Fig. 2 shows the rolling device 1 'according to the invention, wherein neither a Axialverriegelung nor an axial displacement device are shown for better illustration.
  • the roll chocks 5 can be moved via the axial guide 14 relative to the bending block 11 in the axial direction.
  • threaded holes 13 are arranged so that there is a roll stub (not shown) can be screwed.
  • Fig. 3 is the rolling device 1 'from Fig. 2 shown with bearing cap 16 for the work rolls 2 '.
  • the work rolls 2 ' are fixed in their axial position by bolts (not shown).
  • the bearing caps 16 are bolted via the screw 17 'with the intermediate piece 7, which in turn is screwed on the screw 17 "with the respective roll chock 5.
  • Fig. 4 is the rolling device 1 'according to the invention Fig. 2 shown with an axial displacement device 18 for the work rolls 2 '.
  • roller stub 10' To the work rolls 2 'is screwed on the roll flange 12 via the screw 17 each have a roller stub 10'. Compared to the roller stub 10 off Fig. 3 is this roller stub 10 'a little longer, since the Thrust bearing 8 attacks.
  • a further roll chock 6 is screwed to the roll chocks 5 for the radial support via the screw connections 17 ".
  • the displacement device 18 is attached to the cylinders 19 via the screw 17 '.
  • the rolling device 1 'just described now offers the advantage that it can be offered and delivered on the one hand as a low-cost version without axial roller displacement.
  • Such a version has only bearing cap 16 and spacers 7, as in Fig. 3 are shown on.
  • both work rolls 2 ' are to be equipped with an axial displacement device, then longer work roll ends 10' are screwed to both work rolls.
  • the further roll chocks 6 are screwed to the roll chocks 5 via the screw connections 17 "with the axial bearings 8.
  • the bearing caps 16 are then fastened to these further roll chocks 6 via the screw connections 17 ', as shown in FIG Fig. 4 is shown.
  • the axial guides 14 (only in Fig. 2 shown) in the bending blocks 11 provide for the guidance of the roll chocks 5 in the axial direction.
  • the displacement device 18 consists of a fixed part, which is connected in the present example with the bending block 11 and a movable part, which via a bolt (not shown) with the bearing cap 16 is detachably connected. About the cylinder 19, the movable part of the Displacement device 18 are moved axially and thus also the roll chocks 5, 6 and thereby also the work rolls 2 '.
  • the modular construction of the work rolls 2 'and the roll chocks 5, 6 thus enables a delivery of the basic design of a rolling device with the possibility of later removal with lower additional costs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Rolling Contact Bearings (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Claims (9)

  1. Dispositif de laminage (1') comportant des cylindres de travail (2') et éventuellement des cylindres intermédiaires logés dans une cage de laminage moyennant des empoises (5) à travers de paliers lisses (3), où dans ce dispositif de laminage la flèche des cylindres de travail (2') peut être influencée par des pièces de pliage (11), où, pour un déplacement axial d'au moins un cylindre de travail (2') ou cylindre intermédiaire un tourillon de cylindre (10') peut être attaché à ce cylindre de travail (2') ou ce cylindre intermédiaire, et où le tourillon de cylindre (10') est logé dans une autre empoise (6) à travers d'un palier de butée (8), caractérisé en ce que l'autre empoise (6) peut être vissée à l'empoise (5) des cylindres déplaçables axialement et que l'empoise (5) peut être déplacée au sens axial relativement à la pièce de pliage (11) par un guidage axial (14).
  2. Dispositif de laminage selon la revendication 1, caractérisé en ce que le tourillon de cylindre (10') peut être attaché, de préférence vissé, au cylindre de travail (2') ou un arbre intermédiaire moyennant une jonction détachable.
  3. Dispositif de laminage selon l'une des revendications 1 ou 2, caractérisé en ce qu'un tourillon de cylindre (10') peut être vissé à deux cylindres de travail (2').
  4. Méthode de modification d'une cage de laminage avec cylindres de travail (2') et éventuellement des cylindres intermédiaires sans dispositif de déplacement axial, pour obtenir une cage de laminage avec déplacement axial des cylindres de travail (2') ou cylindres intermédiaires, caractérisée en ce qu'un tourillon de cylindre (10') est attaché à au moins un cylindre de travail (2') ou un cylindre intermédiaire et qu'une autre empoise (6) est vissée à l'empoise (5) de ce cylindre de travail (2') ou cylindre intermédiaire, le tourillon de cylindre (10') étant logé dans l'empoise (6) par un palier de butée (8) et l'empoise (5) étant déplaçable au sens axial par un guidage axial (14) de manière que, à chaque déplacement axial de l'autre empoise (6), l'empoise (5) et le cylindre de travail (2') respectivement le cylindre intermédiaire sont déplacés au sens axial eux-aussi.
  5. Procédé selon la revendication 4, caractérisé en ce que deux cylindres de travail (2') sont modifiés en vue d'un déplacement axial.
  6. Procédé selon l'une des revendications 4 ou 5, caractérisé en ce que le déplacement axial est effectué par une commande linéaire électromécanique.
  7. Procédé selon l'une des revendications 4 à 6, caractérisé en ce que, au cours de la modification, les empoises (5) existantes sont réutilisées pour les paliers lisses (3) et cela sans usinage.
  8. Procédé selon l'une des revendications 4 à 7, caractérisé en ce que, au cours de la modification, les capots de paliers (16) existants sont réutilisés sans usinage.
  9. Procédé selon l'une des revendications 4 à 8, caractérisé en ce que, au cours de la modification, les cylindres de travail (2') existants sont réutilisés sans usinage.
EP11748543.3A 2010-07-27 2011-07-21 Cage de laminoir avec supports de rouleaux Not-in-force EP2598262B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT12572010A AT509455B1 (de) 2010-07-27 2010-07-27 Walzgerüst mit walzenlagerung
PCT/AT2011/000309 WO2012012815A1 (fr) 2010-07-27 2011-07-21 Cage de laminoir avec supports de rouleaux

Publications (2)

Publication Number Publication Date
EP2598262A1 EP2598262A1 (fr) 2013-06-05
EP2598262B1 true EP2598262B1 (fr) 2014-12-03

Family

ID=44510594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11748543.3A Not-in-force EP2598262B1 (fr) 2010-07-27 2011-07-21 Cage de laminoir avec supports de rouleaux

Country Status (5)

Country Link
EP (1) EP2598262B1 (fr)
CN (1) CN103037993B (fr)
AT (1) AT509455B1 (fr)
RU (1) RU2542170C2 (fr)
WO (1) WO2012012815A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20154811A1 (it) * 2015-10-16 2017-04-16 Danieli Off Mecc Gabbia di laminazione per prodotti metallici
DE102017220560A1 (de) * 2017-05-03 2018-11-08 Sms Group Gmbh Walzgerüst zum Walzen eines metallischen Guts
CN108856292B (zh) * 2018-07-20 2023-12-19 中冶华天南京工程技术有限公司 一种带钢轧机辊系结构及其装配方法
DE102019200005A1 (de) * 2019-01-02 2020-07-02 Sms Group Gmbh Walzvorrichtung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2178628A (en) * 1934-03-08 1939-11-07 Mackintosh Hemphill Company Thrust bearing for rolling mills
US2669493A (en) * 1950-01-12 1954-02-16 United States Steel Corp Thrust bearing for rolling mill rolls and the like
DE1151236B (de) * 1958-01-21 1963-07-11 Beteiligungs & Patentverw Gmbh Axiallagerung fuer Walzen
DE2323768C2 (de) * 1973-05-11 1975-05-22 Th. Kieserling & Albrecht, 5650 Solingen Walzgerüst mit auswechselbar angeordneten Walzen
DE3628733A1 (de) * 1986-08-23 1988-02-25 Schloemann Siemag Ag Vorrichtung zum axialen anstellen der walzen von walzgeruesten zur herstellung von profilstahl
DE3638330A1 (de) * 1986-11-10 1988-05-19 Schloemann Siemag Ag Walzgeruest mit einer vorrichtung zum axialen verschieben von anstellbaren walzen
DE3718646A1 (de) * 1987-06-04 1988-12-22 Schloemann Siemag Ag Vorrichtung zum axialen verschieben von sich drehenden walzwerkswalzen
SU1653880A1 (ru) * 1989-06-08 1991-06-07 Предприятие П/Я В-2869 Устройство дл осевой установки валка
FR2710567B1 (fr) * 1993-09-28 1995-12-22 Clecim Sa Laminoir à déplacement axial.
DE19816602C1 (de) * 1998-04-15 1999-05-27 Schloemann Siemag Ag Walzgerüst mit axial verschiebbaren Walzen
DE10150690A1 (de) * 2001-10-17 2003-04-30 Sms Demag Ag Walzvorrichtung
ITUD20040055A1 (it) * 2004-03-29 2004-06-29 Pittini Impianti Srl Laminatoio a freddo per fili e barre
CN200988050Y (zh) * 2006-12-21 2007-12-12 中国第一重型机械集团公司 一种新型六辊轧机工作辊、中间辊轴承座
CN101185942B (zh) * 2007-12-25 2010-06-02 二重集团（德阳）重型装备股份有限公司 轧机弯辊窜辊装置

Also Published As

Publication number Publication date
CN103037993A (zh) 2013-04-10
AT509455B1 (de) 2011-09-15
AT509455A4 (de) 2011-09-15
CN103037993B (zh) 2015-07-15
WO2012012815A1 (fr) 2012-02-02
RU2013104042A (ru) 2014-09-10
EP2598262A1 (fr) 2013-06-05
RU2542170C2 (ru) 2015-02-20

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