EP1687104B1 - Cylindre de reglage dans des cages de laminoir, notamment dans des cages de refoulement verticales - Google Patents

Cylindre de reglage dans des cages de laminoir, notamment dans des cages de refoulement verticales Download PDF

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Publication number
EP1687104B1
EP1687104B1 EP04790637A EP04790637A EP1687104B1 EP 1687104 B1 EP1687104 B1 EP 1687104B1 EP 04790637 A EP04790637 A EP 04790637A EP 04790637 A EP04790637 A EP 04790637A EP 1687104 B1 EP1687104 B1 EP 1687104B1
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EP
European Patent Office
Prior art keywords
piston
adjusting cylinder
cylinder
pressure
adjusting
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.)
Active
Application number
EP04790637A
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German (de)
English (en)
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EP1687104A1 (fr
Inventor
Florian Lindner
Stefan Wendt
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 Demag AG
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Publication date
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Publication of EP1687104A1 publication Critical patent/EP1687104A1/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
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
    • 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
    • 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
    • B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
    • 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
    • B21B31/06—Fastening stands or frames to foundation, e.g. to the sole plate
    • 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

Definitions

  • the invention relates to adjusting cylinder for long, fast strokes in rolling stands, including those in vertical edger stands, comprising at least one piston which acts on both sides of a work roll for pitching on bearing chocks at least one work roll or an intermediate roller.
  • the adjusting device in vertical edger stands, as well as in horizontal stands, has the task of setting, maintaining and, if necessary, regulating the required roll gap.
  • a purely hydraulic adjusting device in vertical edger stands is known in the roughing-upseter of a hot strip mill. This is designed as a classic differential cylinder consisting of piston, cylinder cover and cylinder bottom.
  • this version has limits both in the required oil requirement and thus in the traversing speed as well as in the transverse force sensitivity when the piston rod is fully extended.
  • the document DE-A 36 24 958 describes a positioning control device for vertical upsets for width control of the rolling stock by means of electric screw adjustment, combined with hydraulic servovalve controlled Zylinderverstell noticeden for adjustments against rolling load.
  • the cylinders are arranged laterally on the St Squerphaseuptern the vertical stands and are connected by means of a coupling plate with the sliding nuts of the screw adjustment.
  • the document DE-OS 32 12 525 A1 describes an electro-hydraulic roll gap control and adjusting device for in particular the rolls of a vertical stand, consisting of an adjusting cylinder whose adjusting piston can move in a cylinder bore under the action of pressure changes in a pressure medium, and a plunger which dips into the pressure medium and its from a Hydraulic lifting device controlled movements cause the displacements of the adjusting, wherein the hydraulic lifting device is controlled by a servo valve, and with a scanning device for detecting the rolling forces by pressure measurement, a measuring direction for determining the actual position of the plunger and from a target-actual position of the Plunger for the purpose of obtaining a change signal processing comparator.
  • the Anstellspindel is designed as a hollow body with an axial through hole of different diameter sections, wherein the through hole of the Anstellspindel the hydraulic piston-cylinder units receives for width and / or thickness control.
  • the document EP 0 493 430 B1 describes an edge rolling mill with a vertically arranged, movable housing pair, and with means for displacing each movable housing in the horizontal direction to the other housing, and away from it and with a pair of rollers whose longitudinal axes are arranged in the vertical direction.
  • the rollers are rotatably held in respective cassettes.
  • the cassettes are held by suitably movable housings so that they are moved with them and are located inside the housing. Further, means are provided for displacing each cassette in a vertical direction relative to its associated movable housing.
  • the document EP 0 491 785 B1 describes a vertical rolling mill with two vertical movable housings, two vertically arranged with their longitudinal axes and rotatably mounted in associated cassettes rollers, the cassettes are supported by movable housings and disposed within the housing.
  • Each housing has a drive mechanism whose output side is in driving relation with the lower end of the roller in the associated cassette and whose input side is in drive relation with a horizontal drive shaft.
  • Each drive mechanism has a universal joint that allows a drive transmitting from the shaft to the roller, even if the cassette is offset by a certain amount horizontally relative to its housing.
  • the document DE-OS 2,047,240 discloses a method for rolling in a vertical stand, wherein the roll gap is controlled automatically during rolling. First, a Flachkantprofil is rolled over its side edges in a vertical frame and then in a horizontal frame in the width. The nip of the vertical stand is automatically changed during rolling of the end pieces of Flachkantprofiles so that their dimensions do not differ significantly in the subsequent flat rolling from those of the rest of Flachkantprofiles.
  • the document EP 0 868 946 A2 discloses a Stauchg screen after a continuous casting and upstream of a finishing mill upset. This should be controlled so that the pre-strip can run safely into the first frame of the finishing train, to avoid cracks in the band edge area a structural transformation in the band edge area should be ensured.
  • the position control circuits for the edger are superimposed pressure control loops for compression degree monitoring and overload limit and differential load monitoring.
  • the document EP 0 450 294 B1 discloses an adjusting device for adjusting the roll spacing in rolling mills, especially in strip rolling mills for hot or cold rolling, with at least two hydraulic Anstellzylindern that work on chocks and possibly intermediate backup roll on both sides on a respective to be set work roll.
  • the adjusting cylinders each have a guided in a cylinder housing on a cylinder pin and in a cylinder collar hat piston whose central piston surface formed by the inner hat shelf and formed by the Hutrand annular piston surface independently or individually or jointly with pressure medium can be acted upon.
  • the invention has the object to enable an improvement of the known purely hydraulic adjusting devices, wherein the number of setting cylinder not set should be, so that the arrangement of only one cylinder per page should remain technically possible.
  • the inventive design of the Anstellzylinders sets to a same over the entire cylinder stroke support length, the cross-sectional area of the second piston rod significantly reduces the required oil consumption and thus with the same pump performance a higher travel speed is realized.
  • the application of the invention is not limited to a vertical edger stand in heavy plate plants, but can be used with advantage in other scaffolding of other plants.
  • a further advantage of this invention allows an optimization of oil demand and traversing speed:
  • the proposed encapsulation of the second piston rod is designed as an additional cylinder oil space.
  • a short circuit between the emptying and the additional oil space of the cylinder which is filling up can be produced during the rolling force-free movement in the direction of the rolling stock. This reduces the pump power.
  • a short circuit between both oil spaces on the additional rod side can be made. This makes it possible to apply the required rolling force with the complete piston surface.
  • the adjusting cylinder consists of the piston (KO) with the rod (ST1) and the rod (ST2).
  • the piston is embedded in the cylinder cover (ZD) and the cylinder bottom (ZB), both having coaxially arranged holes for the passage of the piston rods.
  • receptacles for piston guide elements which are designed here as metal bushings (BU1), (BU2).
  • BU1, BU2 Both metal bushings (BU1), (BU2) are held by corresponding covers (DE1), (DE2).
  • the seals belonging to the cylinder (DI1 - DI3) are located in the cover (DE1), in the piston (KO) and in the cylinder bottom (ZB).
  • Cylinder bottom (ZB) and cylinder cover (ZD) are bolted to the screws (SR2).
  • the complete setting cylinder is screwed to the stand of the rolling stand with the screws (SR1).
  • the rod (ST1) is a pressure piece (DS).
  • the rod (ST1) is protected by a bellows (FB).
  • the bellows (FB) is supported either on sliding discs on the rod (ST1) or is held by means of loops on guide rods, not shown here.
  • the cylinder piston has an anti-rotation, which is either designed as a frame connection between the pressure pieces (DS), not shown here of two superimposed Anstellzylindern or consists of extensions of the pressure piece (DS), which are guided in the already mentioned guide rods.
  • a capsule (KA) which protects the one hand, the rod (ST2) and on the other hand has the option of being used as an additional oil chamber (OL3).
  • a displacement measuring system here designed as a position sensor (PG), which receives the position of the cylinder piston.
  • oil spaces (OL1, OL2, OL3) form depending on the design, the force-relevant annular surfaces A1 and A2 or the circular area A3.
  • FIG. 3 is the installation situation of four different types of Anstellzylindern shown in a compression frame. All designs have the same design as two piston rods. When using the Anstellzylinders in a compression frame this is according to the FIG. 3 installed four times; Two adjusting cylinders per side, which are arranged above and below the stator center plane (9). Technically, however, is also the arrangement of only one Anstellzylinder per page.
  • the cylinders are inserted in corresponding bores of the edger stator (8) and act on the compression rollers (7).
  • the balance is pushed out of the overall system by the balancing cylinder (5).
  • the balancing cylinder (5) can also take over the function of a retraction cylinder.
  • Differential circuits of the pressure chambers A1 and / or A2 and / or A3 z. B. for applying the required quantities of oil are also conceivable. Pressurization of the individual pressure chambers via solenoid valves, servo valves, check valves, pumps, containers, pressure vessels, storage, etc. according to the prior art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Actuator (AREA)
  • Metal Rolling (AREA)
  • Forging (AREA)
  • Control Of Metal Rolling (AREA)
  • Press Drives And Press Lines (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Vehicle Body Suspensions (AREA)
  • Friction Gearing (AREA)
  • Transmission Devices (AREA)

Claims (14)

  1. Vérin de réglage pour des mouvements de course longs et rapides dans des cages de laminage,
    entre autres dans les cages refouleuses verticales, comprenant
    au moins un piston qui agit via une empoise de palier d'au moins un cylindre de travail ou d'un cylindre intermédiaire sur le cylindre de travail pour le réglage et qui est équipé avec deux tiges de piston (ST1, ST2) pointant dans deux directions opposées ; et
    le piston (KO) étant placé dans à chaque fois un évidement dans le fond du vérin (ZB) ou le couvercle de vérin (ZD) du vérin de réglage,
    le fond du vérin (ZB) et le couvercle du vérin (ZD) présentant des trous disposés coaxialement pour le passage des tiges de piston (ST1, ST2)
    caractérisé en ce que la surface (A1) formée par le piston (KO) et la tige de piston (ST1) est plus petite que la surface (A2) formée par le piston (KO) et la tige de piston (ST2).
  2. Vérin de réglage selon la revendication 1, caractérisé en ce que dans les trous susmentionnés sont prévus des évidements pour des éléments de guidage de la tige de piston, qui sont de préférence réalisés sous forme de manchons métalliques (BU1, BU2), ou de bandes de guidage et qui sont de préférence fixés par des couvercles (DE1, DE2).
  3. Vérin de réglage selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que des joints d'étanchéité (DI1, DI2, DI3) associés au vérin se trouvent dans le couvercle (DE1) et (DE2) ainsi que dans le piston (KO) (Figure 1) ou que des bandes de guidage avec les joints sont repris dans les couvercles (DE1) et (DE2).
  4. Vérin de réglage selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le fond du vérin (ZB) est relié au couvercle du vérin (ZD) au moyen de vis (SR2).
  5. Vérin de réglage selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le vérin de réglage complet est relié au moyen de vis (SR1) au montant de la cage.
  6. Vérin de réglage selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'une capsule (KA) qui protège la tige de vérin (ST2) ou qui peut être utilisée comme chambre à huile (OL3) supplémentaire se trouve dans le prolongement du fond du vérin (ZB).
  7. Vérin de réglage selon l'une quelconque des revendications 1 à 6, caractérisé en ce que dans le prolongement de la capsule (KA) se trouve un système de mesure du parcours ou analogue, réalisé sous forme d'un indicateur de position (PG), qui enregistre la position du piston (KO).
  8. Vérin de réglage selon l'une quelconque des revendications 1 à 7, caractérisé en ce que dans le prolongement de la tige de piston (ST1) est disposé une pièce de compression (DS) destinée à agir sur les empoises du cylindre.
  9. Vérin de réglage selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le piston (KO) présente une sécurité contre la rotation.
  10. Vérin de réglage selon l'une quelconque des revendications 1 à 9, caractérisé en ce que la tige de piston (ST1) reliée à la pièce de compression (DS) est entourée d'un soufflet.
  11. Procédé pour le fonctionnement du vérin de réglage selon la revendication 1, le vérin de réglage comprenant un piston (KO) pouvant être déplacé par liaison de force dans un bâti (G1, G2) au moins en deux pièces entre des surfaces de compression (A1, A2, A3), agissant sur une empoise (ES) d'une cage de laminage et le procédé est caractérisé en ce que pour l'avancement rapide du piston (KO) avec une force réduite, on applique de la pression sur la surface de compression A2, alors que les surfaces de compression A1 et A3 ne sont pas sollicitées.
  12. Procédé pour le fonctionnement du cylindre de réglage selon la revendication 1, le vérin de réglage comprenant un piston (KO) pouvant être déplacé par liaison de force dans un bâti (G1, G2) au moins en deux pièces entre des surfaces de compression (A1, A2, A3), agissant sur une empoise (ES) d'une cage de laminage et le procédé est caractérisé en ce que pour le refoulement avec une force élevée, on applique de la pression sur les surfaces de compression A2 et/ou A3.
  13. Procédé pour le fonctionnement du cylindre de réglage selon la revendication 1, le vérin de réglage comprenant un piston (KO) pouvant être déplacé par liaison de force dans un bâti (G1, G2) au moins en deux pièces entre des surfaces de compression (A1, A2, A3), agissant sur une empoise (ES) d'une cage de laminage et le procédé est caractérisé en ce que pour retour rapide du piston (KO), on applique de la pression sur la surface de compression A1 et les surfaces de compression A2 ou A3 et A3 ou A2 ne sont pas sollicitées.
  14. Procédé pour le fonctionnement du cylindre de réglage selon la revendication 13, le vérin de réglage comprenant un piston (KO) pouvant être déplacé par liaison de force dans un bâti (G1, G2) au moins en deux pièces entre des surfaces de compression (A1, A2, A3), agissant sur une empoise (ES) d'une cage de laminage et le procédé est caractérisé en ce que pour le retour rapide du piston (KO) on utilise un vérin de retour séparé, avec des surfaces de compression A2 et A3 avec le moins de pression possible, la taille de la surface de retour A1 pouvant également être égale à zéro (vérin plongeur).
EP04790637A 2003-11-19 2004-10-19 Cylindre de reglage dans des cages de laminoir, notamment dans des cages de refoulement verticales Active EP1687104B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10354235 2003-11-19
DE102004039494A DE102004039494A1 (de) 2003-11-19 2004-08-14 Anstellzylinder in Walzgerüsten, unter anderem in Vertikal-Stauchgerüsten
PCT/EP2004/011815 WO2005049242A1 (fr) 2003-11-19 2004-10-19 Cylindre de reglage dans des cages de laminoir, notamment dans des cages de refoulement verticales

Publications (2)

Publication Number Publication Date
EP1687104A1 EP1687104A1 (fr) 2006-08-09
EP1687104B1 true EP1687104B1 (fr) 2008-12-17

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Application Number Title Priority Date Filing Date
EP04790637A Active EP1687104B1 (fr) 2003-11-19 2004-10-19 Cylindre de reglage dans des cages de laminoir, notamment dans des cages de refoulement verticales

Country Status (14)

Country Link
US (3) US7631531B2 (fr)
EP (1) EP1687104B1 (fr)
JP (1) JP4762906B2 (fr)
KR (1) KR101121502B1 (fr)
CN (1) CN100478091C (fr)
AT (1) ATE417676T1 (fr)
AU (1) AU2004291240B2 (fr)
BR (1) BRPI0416696A (fr)
CA (1) CA2542103C (fr)
DE (2) DE102004039494A1 (fr)
ES (1) ES2317062T3 (fr)
RU (1) RU2355491C2 (fr)
TW (1) TW200517197A (fr)
WO (1) WO2005049242A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016122521A1 (de) 2016-11-22 2018-05-24 Sms Group Gmbh Anstellzylinderschnellverstellung in Stauchgerüsten

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
JP5425185B2 (ja) * 2008-04-23 2014-02-26 エスエムエス・インセ・エス．ピー．エー． エッジャを調節するための装置および方法
CN100574911C (zh) * 2008-06-03 2009-12-30 中冶京诚工程技术有限公司 一种组合式压下平衡装置及其控制方法
CN102310087B (zh) * 2011-08-26 2013-09-11 宁波中超机器有限公司 立辊轧机
CN102310084B (zh) * 2011-08-26 2014-08-06 宁波中超机器有限公司 一种立辊轧机
KR101461477B1 (ko) 2013-06-14 2014-11-13 주식회사 포스코 실린더유닛 및 강판압연장치
DE102015221762A1 (de) * 2015-11-05 2017-05-11 Sms Group Gmbh Vorrichtung zum Anstellen einer Stauchwalze eines Stauchgerüsts
DE102018214583A1 (de) * 2018-08-29 2020-03-05 Sms Group Gmbh Vorrichtung zum Anstellen eines Gegenstandes

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US3566638A (en) * 1968-05-29 1971-03-02 Textron Inc Screwdown system for a rolling mill
DE2701011A1 (de) * 1977-01-12 1978-07-13 Benteler Werke Ag Doppelwirkender teleskopzylinder mit verdrehsicherung
JPS586566B2 (ja) * 1977-03-24 1983-02-05 株式会社日立製作所 圧延機油圧圧下装置
JPS57181715A (en) * 1981-04-30 1982-11-09 Ishikawajima Harima Heavy Ind Co Ltd Edge screw down device of rolling mill
US4471639A (en) * 1982-11-01 1984-09-18 E. W. Bliss Company, Inc. Roll orientation control system for straightening machines
JPS59220205A (ja) * 1983-05-27 1984-12-11 Nippon Steel Corp 幅圧下式圧延機の圧下装置
DE4010662C3 (de) * 1990-04-03 2001-07-05 Bwg Bergwerk Walzwerk Anstellvorrichtung zum Einstellen des Walzenabstandes in Walzgerüsten, insbesondere in Bandwalzgerüsten für Warm- oder Kaltwalzung
DE19713604A1 (de) * 1997-04-02 1998-10-08 Schloemann Siemag Ag Einer Fertigstraße für stranggegossenes Bandmaterial vorgeordnetes positionsgeregeltes Stauchgerüst
AT407614B (de) * 1999-03-01 2001-05-25 Voest Alpine Ind Anlagen Verfahren zur steuerung eines langhubigen, hydraulischen stellzylinders
JP3854064B2 (ja) * 2000-12-20 2006-12-06 日信工業株式会社 負圧ブースタ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016122521A1 (de) 2016-11-22 2018-05-24 Sms Group Gmbh Anstellzylinderschnellverstellung in Stauchgerüsten
WO2018095465A1 (fr) 2016-11-22 2018-05-31 Sms Group Gmbh Dispositif de réglage rapide de cylindres de réglage dans des cages refouleuses
US11117173B2 (en) 2016-11-22 2021-09-14 Sms Group Gmbh Quick-action adjustment for adjusting cylinder in edging stands

Also Published As

Publication number Publication date
AU2004291240A1 (en) 2005-06-02
CN1882399A (zh) 2006-12-20
TW200517197A (en) 2005-06-01
US20090183545A1 (en) 2009-07-23
ES2317062T3 (es) 2009-04-16
US20090193867A1 (en) 2009-08-06
RU2355491C2 (ru) 2009-05-20
JP2007533463A (ja) 2007-11-22
WO2005049242A1 (fr) 2005-06-02
US7743638B2 (en) 2010-06-29
CN100478091C (zh) 2009-04-15
US7726168B2 (en) 2010-06-01
US20070062240A1 (en) 2007-03-22
BRPI0416696A (pt) 2007-01-30
DE102004039494A1 (de) 2005-06-23
DE502004008707D1 (de) 2009-01-29
AU2004291240B2 (en) 2010-02-18
RU2006121427A (ru) 2007-12-27
JP4762906B2 (ja) 2011-08-31
TWI342805B (fr) 2011-06-01
CA2542103A1 (fr) 2005-06-02
US7631531B2 (en) 2009-12-15
ATE417676T1 (de) 2009-01-15
KR101121502B1 (ko) 2012-03-15
CA2542103C (fr) 2011-08-09
EP1687104A1 (fr) 2006-08-09
KR20060118445A (ko) 2006-11-23

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