EP0808673B1 - Cage de laminoir à cylindres d'appui et de travail - Google Patents

Cage de laminoir à cylindres d'appui et de travail Download PDF

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Publication number
EP0808673B1
EP0808673B1 EP97250147A EP97250147A EP0808673B1 EP 0808673 B1 EP0808673 B1 EP 0808673B1 EP 97250147 A EP97250147 A EP 97250147A EP 97250147 A EP97250147 A EP 97250147A EP 0808673 B1 EP0808673 B1 EP 0808673B1
Authority
EP
European Patent Office
Prior art keywords
housing
roll
displacement
work rolls
columns
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 - Lifetime
Application number
EP97250147A
Other languages
German (de)
English (en)
Other versions
EP0808673A1 (fr
Inventor
Dieter Dipl.-Ing. Figge
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
Original Assignee
SMS Demag 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
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP0808673A1 publication Critical patent/EP0808673A1/fr
Application granted granted Critical
Publication of EP0808673B1 publication Critical patent/EP0808673B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B13/023—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling
    • 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
    • B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
    • B21B31/28—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by toggle-lever mechanisms

Definitions

  • the invention relates to a roll stand with support and work rolls for rolling sheets and ribbons.
  • JP-A-5-317918 is a roll stand with support and work rolls for rolling Sheets and strips known in which at least those in chocks within the stand window formed between the stand columns of the roll stand upper and lower work rolls by horizontal displacement in opposite directions using the Installation pieces of effectively assigned displacement drives remove the rollers from the common vertical plane can be moved into positions in which through the roll axis of the upper work roll and the lower work roll cross vertical planes, and being used to shift the work rolls in in the horizontal direction the column columns of the roll stand are broken in the rolling direction are and guides for horizontally protruding into the stand window form displaceable bars, each of which two coaxially opposite bars are assigned to a chock by synchronized displacement of these bars is horizontally movable in the stand window, whereby for bending the work rolls in a vertical At least the direction of each bar at its end protruding into the stand window a vertically acting bending cylinder, each with a projection on Insert engages behind and furthermore the ends facing away from the stator window in the columns with beams that
  • Patent application 0 525 552 A1 suggests for the chocks of work and The back-up rollers have common sliding blocks between the chocks and the roller stand are arranged and on their facing away from the chocks Sides have wedge surfaces, which are even with vertically adjustable displacement drives correspond to such wedge surfaces. When adjusting these sliding drives the sliding wedge surfaces a horizontal displacement of the displacement blocks, whereby these adjust the chocks on the side.
  • actuators have become known from the same document, such as Hydraulic cylinders or spindles acting mechanically on the chocks with which each the chocks for changing the roller positions within the Stand window can be moved horizontally.
  • the known systems are very complex, especially when in addition to Movement of the rollers are provided for bending them usually require special work roll bearings.
  • the roller sets must go with Axial locks must be provided for the system-related inclination the axial forces occurring to be able to absorb.
  • An upgrade existing roll stands with systems for crossing and bending the work rolls is not possible or only possible with an unreasonably high effort.
  • the object of the present invention is to a Roll stand with support and work rolls for rolling sheets and strips Means for crossing and bending the work rolls to be provided below Avoidance of complex mechanics even on existing rolling mills can be retrofitted.
  • each column is parallel to the rolling direction a sliding and swivel bearing for one of two parallel to each other, coupled, essentially horizontal bars is arranged, the on both sides beyond the upright columns on the one hand into and into the upright window to the side facing away from the stand window from the roller stand protrude, each in the stand window on one stand side protruding ends of two pairs of beams the work roll chock in question the upper and lower work roll on both sides in the vertical and horizontal directions support synchronously adjustable and the other projecting ends of these Beam pairs correspond to the displacement and bending cylinders, which, arranged between the roller stand and the beams, the latter in opposite directions in the Move sliding bearings and / or around the swivel axes of the swivel bearings swing.
  • Each displacement and swivel bearing preferably consists of on the upright columns axially parallel and related to a column of columns arranged axially to your horizontal central axes swiveling guide bushes, each in Transverse direction centrally of a longitudinally leading the beam on both sides Recess are broken and with their cylindrical outer surface are slidably guided on both sides of the longitudinal beams in bearing shells, which in turn are provided in bearing blocks arranged on the pillars.
  • the guide bushes representing the swivel bearing are very powerful and at the same time take the storage for the reciprocation of the beams in the horizontal direction.
  • the to support the guide bushes on the Pillars provided bearing blocks can be retrofitted there become.
  • Bending cylinders provided on the one hand and on a bracket on the column on the other hand are slidably arranged on the beams, the bending forces over the Guide bushes and the bearing shells are guided into the stator columns.
  • This Bending cylinders act in the vertical direction from the area of the Columns projecting outward end of each beam, regardless of its Shift position.
  • the bar forms a two-armed lever. So that Displacement of the bars is guaranteed, the ends facing the bar the bending cylinder is slidably supported on the beam.
  • the coupling of a pair of bars to a column is carried out Crossbeams extending on both sides of the pillars perpendicular to the beams. To this In this way a stable closed system is created, which is also able to large Transfer forces.
  • a favorable embodiment of the invention is characterized in that the two-sided Guide bushes of each swivel and sliding bearing on a common one Stand column and an elongated hole running in the direction of movement of the beam in the beam penetrating axis are arranged, the pull rod actuated as a pressure medium trained, the bars of the pair of bars braced and clamped against each other.
  • the two guide bushes are drilled in each column of the stand connecting axis inserted, which also serves the beams in the guide bushes to pinch.
  • on the face of the axle designed as a pull rod Pressure cylinder attached, with which the clamping force against one at the other end of the Drawbar provided abutment can be applied in the axial direction.
  • the Clamping can be supported by spring packs.
  • the "beam solution” is a very inexpensive and simple mechanical solution created that can easily be used to retrofit old rolling stands.
  • the device works reliably and precisely and enables bending and moving of the work rolls in the necessary setting range.
  • the facilities are part of the Roll stand and are only required once for all work rolls. That sinks Invest capital especially compared to solutions where the facilities for bending and crossing the work rolls directly the work rolls or their chocks assigned.
  • FIG. 1 denotes the roll stand of a four-high mill stand, the upper support roller with 2a and its lower support roller with 2b and whose upper work roll is named 3a and the lower work roll is named 3b.
  • the Rolling stock is indicated at 4.
  • the roll stand 1 has four stand columns, one of which two stand columns recognizable in the drawing are designated 5 and 6.
  • the Stand columns on one side of the roll stand 1 limit that between them Stand window 11, in which the chocks 7 of the support rollers and 8 of the Work rolls are guided.
  • each column 5, 6 On the opposite inner and parallel to the rolling direction
  • the outer sides of each column 5, 6 are horizontal (perpendicular to the plane of the drawing extending) arranged bars, which are designated in Figure 1 with 9 and in the following be described with reference to Figure 2.
  • the drawing is a simplified representation of the construction, being insignificant Parts are omitted.
  • identical parts are initially identified identically.
  • the bars 9 of the invention can be seen, which are on the support columns 5, such as the arrow 10 indicates, are guided essentially horizontally and are pivotable.
  • the Beams 9 protrude with their ends 9a into that formed between the column columns 5 Stand window 11 and hold with their end faces the chock 8 of Work roller 3a or 3b on both sides.
  • the ends 9a of the bars reach behind at 9b projections of the chocks 8, which are designated 8a.
  • On this Projections 8a can each chock 8 of the support rollers 2a and 2b in a vertical Direction can be adjusted by pivoting the bars 9.
  • the bars 9 are pivotable about the horizontal pivot axis 12 Guide bushes 13 guided in recesses 14, the guide bushes 13 in Have openings in the longitudinal direction of the beams which form sliding guides.
  • the Guide bushes for their part, are 15 in on their cylindrical outer lateral surfaces corresponding bearing shells slidably in the on the pillars 5th attached bearing blocks 16 are arranged.
  • 9 elongated holes 17 in the beams provided, which is adapted in its longitudinal extent to the displacement of the bars 9 are.
  • Swivel axes 12 are attached to the support columns 5 brackets 18, on which pivotable bending cylinder 19, acting in the vertical direction, are articulated.
  • the bending cylinders 19 are supported by slide guides 20 against those on the stand window 11 opposite side of the stand columns 5 protruding ends of the beams 9 and thus enable pivoting about the pivot axes 12.
  • the displacement cylinders 21 are provided, which on the one hand at 22nd are supported on the upright columns 5 and on the other hand at 23 on cross members 24 which in turn at the free ends of the bars 9, two bars 9 each forming a pair of bars connecting, are provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Claims (5)

  1. Cage de laminoir comportant des cylindres d'appui et des cylindres de travail pour laminer des tôles et des feuillards, dans laquelle au moins les cylindres de travail (3a, 3b) supérieur et inférieur, montés dans des empoises (8) à l'intérieur des fenêtres des montants formées entre les colonnes des montants de cage (1), par déplacement horizontal opposé, au moyen d'entraínements de déplacement associés de façon active aux empoises, des cylindres, peuvent être déplacés hors du plan vertical commun, dans des positions dans lesquelles les plans verticaux passant par l'axe du cylindre de travail supérieur (3a) et du cylindre de travail inférieur (3b) se croisent, un palier pivotant et un palier de déplacement pour une de deux barres (9), généralement horizontales, couplées ensemble parallèlement l'une à l'autre étant à chaque fois agencés sur les faces internes et externes opposées, s'étendant parallèlement à la direction de laminage de chaque colonne (5,6), qui, des deux côtés, à travers les colonnes (5,6), pénètrent, d'une part, dans la fenêtre des montants (11) et, vers le côté opposé à la fenêtre des montants (11), font saillie du montant de cage (1), à chaque fois les extrémités, pénétrant dans la fenêtre des montants (11) d'un côté des montants, de deux paires de barres supportant de façon réglable et synchrone, des deux côtés, en direction verticale et en direction horizontale, l'empoise correspondante du cylindre de travail supérieur (3a) et du cylindre de travail inférieur (3b), et les autres extrémités à chaque fois en saillie de ces paires de barres correspondant avec des vérins de déplacement (21) et des vérins de cintrage (19), qui, agencés entre le montant de cage (1) et les barres (9), déplacent ces dernières en sens opposé dans les paliers de déplacement et/ou pivotent celles-ci autour des axes de pivotement (12) des paliers pivotants.
  2. Cage de laminoir comportant des cylindres d'appui et des cylindres de travail pour laminer des tôles et des feuillards selon la revendication 1,
    caractérisée en ce que chaque palier de déplacement ou chaque palier pivotant est constitué de douilles de guidage (13), pouvant pivoter autour de leurs axes centraux horizontaux, agencées sur les colonnes (5, 6) parallèlement à l'axe et en ayant le même axe relativement à une colonne (5, 6), qui, à chaque fois, sont percées, en direction transversale, de façon centrale, par un évidement (14) guidant les barres (9) des deux côtés en direction longitudinale et qui, par leurs surfaces d'enveloppe externes (15) cylindriques sont guidées de façon coulissante, des deux côtés des axes longitudinaux des barres, dans des coquilles de palier, qui, de leur côté, sont prévues dans des blocs de palier (16) agencés sur les colonnes (5, 6).
  3. Cage de laminoir comportant des cylindres d'appui et des cylindres de travail pour laminer des tôles et des feuillards selon la revendication 1 ou 2,
    caractérisée en ce que, pour cintrer les cylindres de travail (3a, 3b), sont prévus, à chaque fois, des vérins de cintrage (19), qui sont agencés sur une console (18) sur la colonne (5, 6), d'une part et, d'autre part, sur la barre (9) de façon coulissante, les forces de cintrage étant guidées par l'intermédiaire des douilles de guidage (13) et des coquilles de palier dans les colonnes (5, 6).
  4. Cage de laminoir comportant des cylindres d'appui et des cylindres de travail pour laminer des tôles et des feuillards selon une des revendications 1 à 3,
    caractérisée en ce que le couplage d'une paire de barres est effectué par l'intermédiaire de traverses. (24) s'étendant transversalement par rapport aux barres (9) des deux côtés des colonnes (5, 6).
  5. Cage de laminoir comportant des cylindres d'appui et des cylindres de travail pour laminer des tôles et des feuillards selon la revendication 2,
    caractérisée en ce que les douilles de guidage (13) bilatérales de chaque palier pivotant et chaque palier de déplacement sont agencées sur un axe commun traversant les colonnes (5, 6) et un trou oblong (17) s'étendant dans la barre (9) dans la direction de déplacement de la barre (9), qui est réalisé comme tirant (25) actionné par une force élastique, qui tend et serre l'une contre l'autre les barres (9) de la paire de barres, tandis que le desserrage est effectué de façon hydraulique.
EP97250147A 1996-05-20 1997-04-29 Cage de laminoir à cylindres d'appui et de travail Expired - Lifetime EP0808673B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19622305A DE19622305C1 (de) 1996-05-20 1996-05-20 Walzgerüst mit Stütz- und Arbeitswalzen
DE19622305 1996-05-20

Publications (2)

Publication Number Publication Date
EP0808673A1 EP0808673A1 (fr) 1997-11-26
EP0808673B1 true EP0808673B1 (fr) 2001-05-30

Family

ID=7796055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97250147A Expired - Lifetime EP0808673B1 (fr) 1996-05-20 1997-04-29 Cage de laminoir à cylindres d'appui et de travail

Country Status (3)

Country Link
US (1) US5809821A (fr)
EP (1) EP0808673B1 (fr)
DE (2) DE19622305C1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10141180A1 (de) * 2001-08-22 2003-03-06 Sms Demag Ag Walzgerüst zum Walzen von unterschiedlichem Walzgut, das unterschiedliche Walzkräfte erfordert
DE102008009902A1 (de) * 2008-02-19 2009-08-27 Sms Demag Ag Walzvorrichtung, insbesondere Schubwalzengerüst
JP7176154B1 (ja) * 2022-08-10 2022-11-21 株式会社日立パワーソリューションズ ロールプレス装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE586241C (de) * 1932-07-03 1933-10-19 Fried Krupp Grusonwerk Akt Ges Tragvorrichtung fuer die in der Hoehe verstellbaren Walzen von Walzwerken
DE977108C (de) * 1953-11-01 1965-02-11 Demag Ag Walzgeruest, insbesondere fuer breite Bleche
JPH0773731B2 (ja) * 1985-08-09 1995-08-09 三菱重工業株式会社 ロールクロスミル
DE3605614A1 (de) * 1986-02-21 1987-08-27 Schloemann Siemag Ag Walzgeruest mit vertikal in staenderfenstern verschieblichen einbaustuecken
JPH0749124B2 (ja) * 1986-03-20 1995-05-31 株式会社日立製作所 ロールシフト式圧延機
JPS6483312A (en) * 1987-09-25 1989-03-29 Hitachi Ltd Roll mover
JP2862439B2 (ja) * 1991-07-30 1999-03-03 三菱重工業株式会社 クロスロール圧延機のロールクロス装置
DE69209043T2 (de) * 1991-12-27 1996-11-14 Hitachi Ltd Walzwerk, Walzverfahren und Walzwerksystem
JPH05237522A (ja) * 1992-02-27 1993-09-17 Mitsubishi Heavy Ind Ltd クロスロール圧延機
JP2930469B2 (ja) * 1992-03-25 1999-08-03 三菱重工業株式会社 クロスロール圧延機のワークロールチョック位置安定装置
JP2961010B2 (ja) * 1992-05-13 1999-10-12 三菱重工業株式会社 クロスロール圧延機
IT1280175B1 (it) * 1995-05-25 1998-01-05 Danieli Off Mecc Dispositivo per la movimentazione incrociata dei cilindri di laminazione

Also Published As

Publication number Publication date
EP0808673A1 (fr) 1997-11-26
DE19622305C1 (de) 1997-08-21
US5809821A (en) 1998-09-22
DE59703643D1 (de) 2001-07-05

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