EP0445566B1 - Multistage rolling millstand - Google Patents

Multistage rolling millstand Download PDF

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Publication number
EP0445566B1
EP0445566B1 EP91102303A EP91102303A EP0445566B1 EP 0445566 B1 EP0445566 B1 EP 0445566B1 EP 91102303 A EP91102303 A EP 91102303A EP 91102303 A EP91102303 A EP 91102303A EP 0445566 B1 EP0445566 B1 EP 0445566B1
Authority
EP
European Patent Office
Prior art keywords
supporting
support
saddles
stand
roll stand
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
EP91102303A
Other languages
German (de)
French (fr)
Other versions
EP0445566A1 (en
Inventor
Peter Reinthal
Manfred Benfer
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.)
Sundwiger Eisenhuette Maschinenfabrik & Co GmbH
Original Assignee
Sundwiger Eisenhuette Maschinenfabrik & Co GmbH
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 Sundwiger Eisenhuette Maschinenfabrik & Co GmbH filed Critical Sundwiger Eisenhuette Maschinenfabrik & Co GmbH
Priority to AT91102303T priority Critical patent/ATE98531T1/en
Publication of EP0445566A1 publication Critical patent/EP0445566A1/en
Application granted granted Critical
Publication of EP0445566B1 publication Critical patent/EP0445566B1/en
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
    • 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
    • B21B13/147—Cluster mills, e.g. Sendzimir mills, Rohn mills, i.e. each work roll being supported by two rolls only arranged symmetrically with respect to the plane passing through the working rolls
    • 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
    • B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
    • B21B2203/36—Spacers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Transplanting Machines (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Machine Tool Units (AREA)

Abstract

The invention relates to cluster-type roll stand for a plurality of upper and lower back-up rollers which are each supported by supporting saddles on parallel supporting recesses (7-14) in the top part (1) and bottom part (2) of the stand. The arrangement here is such that the total supporting force of each set of supporting saddles is distributed over the surface of the supporting recesses (7, 14). In order to reduce the manufacturing outlay and to make possible subsequent correction of the position of the supporting saddles in a simple manner in the event of varying dimensional tolerances or after wear, each supporting recess (7-14) consists of just two flat supporting surfaces arranged at an angle to each other, each taking part of the supporting force. <IMAGE>

Description

Die Erfindung bezieht sich auf ein Vielwalzengerüst mit mehreren unteren und oberen Stützrollen, die jeweils mit Stützsätteln an parallelen, jeweils aus nur zwei winklig zueinander angeordneten ebenen Stützflächen bestehenden Stützschalen im Gerüstober- und Gerüstunterteil flächig abgestützt sind.The invention relates to a multi-roll stand with a plurality of lower and upper support rollers, each of which is supported flat with support saddles on parallel support shells in the upper and lower parts of the stand, each consisting of only two flat support surfaces arranged at an angle to one another.

In herkömmlichen Walzgerüsten mit mehreren unteren und oberen Stützrollen, die mittels Stützsätteln und Stützschalen des Ober- und Unterteils des Gerüstes abgestützt sind, sind die Stützschalen kreisbogenförmig ausgebildet (DE-OS 16 25 556).In conventional rolling stands with several lower and upper support rollers, which are supported by means of support saddles and support shells of the upper and lower part of the stand, the support shells are designed in the form of a circular arc (DE-OS 16 25 556).

Sie sind so angeordnet, daß die auf sie verteilte Stützkraft keine resultierende Komponente hat, die die Tendenz hat, die Stützsättel aus der Stützschale herauszubewegen. Um bei solchen Schalen die geforderten engen Maßtoleranzen bei der Fertigung einzuhalten, werden die Gerüste wie im Betriebszustand ausgerichtet und bearbeitet. Dies gilt sowohl für ein einteiliges als auch für ein zweiteiliges Gerüst, dessen beide Teile über vier Säulen miteinander verbunden sind. Nachteilig ist bei einem solchen Vielwalzengerüst, daß der Fertigungsaufwand hoch ist. Eine Korrektur von Fertigungsfehlern ist kaum oder nur mit großem Aufwand möglich.They are arranged in such a way that the supporting force distributed on them has no resulting component which tends to move the supporting saddles out of the supporting shell. To at such shells to meet the required narrow dimensional tolerances during production, the scaffolds are aligned and machined as in the operating state. This applies to both a one-piece and a two-piece scaffold, the two parts of which are connected to one another via four columns. The disadvantage of such a multi-roll stand is that the manufacturing outlay is high. A correction of manufacturing errors is hardly possible or only with great effort.

Bei einem anderen bekannten Vielwalzengerüst (DE-OS 2341768) sind an der Stelle der kreisbogenförmigen Schalen Aufnahmeräume mit einem flachen ebenen Boden und dazu senkrechten, zueinander parallelen Wänden vorgesehen. Bei einem solchen Vielwalzengerüst wird die gesamte Stützkraft von einem jeden Stützsattelsatz auf den ebenen Boden übertragen, während die Seitenwände lediglich der Führung der Stützsättel dienen. Auch in einem solchen Fall kommt es darauf an, daß zumindest die parallelen Seitenwände mit engen Maßtoleranzen gefertigt werden, weil anderenfalls die Stützkraft nicht bestimmungsgemäß auf den Boden der Ausnehmung übertragen wird. Eine nachträgliche Korrektur ist nur in einer Raumkoordinaten, und zwar am Boden der Ausnehmung möglich.In another known multi-roll stand (DE-OS 2341768), receiving spaces are provided at the location of the circular-arc-shaped shells with a flat, flat floor and walls perpendicular to one another and parallel to one another. In such a multi-roll stand, the entire support force is transferred from each set of support saddles to the flat floor, while the side walls only serve to guide the support saddles. Even in such a case, it is important that at least the parallel side walls are manufactured with narrow dimensional tolerances, because otherwise the supporting force is not transferred to the bottom of the recess as intended. Subsequent correction is only possible in one spatial coordinate, namely at the bottom of the recess.

Bei einem anderen bekannten Walzgerüst (US 3 709 019) der eingangs genannten Art sind jedem Stützsattel nur zwei zueinander winklige ebene Stützflächen zugeordnet. Bei mehreren abzustützenden Stützsätteln bilden die Stützflächen eine Treppe. Auch in diesem Fall ist es notwendig, die Stützflächen mit Längenmaßtoleranzen zu fertigen. Eine nachträgliche Korrektur der Stützflächen ist nicht vorgesehen.In another known roll stand (US Pat. No. 3,709,019) of the type mentioned at the outset, each support saddle is assigned only two flat support surfaces which are angled with respect to one another. If several support saddles are to be supported, the support surfaces form a staircase. In this case, too, it is necessary to manufacture the support surfaces with dimensional tolerances. A subsequent correction of the support surfaces is not planned.

Der Erfindung liegt die Aufgabe zugrunde, ein Vielwalzengerüst zu schaffen, das sich mit geringem Fertigungsaufwand herstellen läßt und bei dem Fertigungstoleranzen an den Stützflächen sich mit geringem Aufwand korrigieren lassen.The invention is based on the object To create multi-roll stand that can be manufactured with little manufacturing effort and can be corrected with little effort in the manufacturing tolerances on the support surfaces.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Stützsättel auf den Stützflächen mittels dünner Schleißplatten unterfüttert sind.This object is achieved in that the support saddles are relined on the support surfaces by means of thin wear plates.

Bei einem solchen Gerüst kommt es nicht auf eine hohe Fertigungsgenauigkeit der Stützflächen an, weil aufgrund der ebenen Stützflächen sich Fertigungstoleranzen mittels der unterfütternden dünnen Platten leicht ausgleichen lassen. Durch die beiden winklig zueinander angeordneten ebenen Stützflächen ist die Voraussetzung für die einzulegenden dünnen Platten als Unterfütterung gegeben, die einen Ausgleich von Bearbeitungsfehlern oder durch Verschleiß bedingte Ungenauigkeiten in zwei Raumkoordinaten zulassen, so daß sich jeder Raumpunkt einstellen läßt.With such a scaffold, it is not a question of high manufacturing accuracy of the supporting surfaces because, due to the flat supporting surfaces, manufacturing tolerances can be easily compensated for by means of the relining thin plates. Due to the two planar support surfaces arranged at an angle to each other, the prerequisite for the thin plates to be inserted as relining is given, which allow compensation for machining errors or inaccuracies due to wear in two spatial coordinates, so that each spatial point can be set.

Nach einer Ausgestaltung der Erfindung sollten die ebenen Flächen treppenförmig angeordnet sein. Insbesondere sollten jeweils einem Stützsattelsatz zugeordneten Stützflächen rechtwinklig zueinander angeordnet sein.According to one embodiment of the invention, the flat surfaces should be arranged in a step-like manner. In particular, support surfaces assigned to a set of support saddles should be arranged at right angles to one another.

Im folgenden wird die Erfindung anhand einer Zeichnung näher erläutert. Im einzelnen zeigen:

Figur 1
ein Gerüstober- und Gerüstunterteil eines Vielwalzengerüstes in dimetrischer Darstellung
Figur 2
das Gerüstunterteil gemäß Figur 1 mit einem Stützsattel in dimetrischer Darstellung,
Figur 3
den Stützsattel gemäß Figur 2 in Seitenansicht,
Figur 4
den Stützsattel gemäß Figur 3 im Schnitt nach Linie A-B der Figur 3 und
The invention is explained in more detail below with reference to a drawing. In detail show:
Figure 1
a top and bottom part of a multi-roll stand in dimetric representation
Figure 2
1 with a supporting saddle in a dimetric representation,
Figure 3
the support saddle according to Figure 2 in side view,
Figure 4
the support saddle according to Figure 3 in section along line AB of Figure 3 and

Das in Figur 1 dargestellte Gerüst eines Vielwalzengerüstes besteht aus einem Gerüstoberteil 1 und einem Gerüstunterteil 2. Die beiden Gerüstteile 1,2 sind über 4 Säulen 3-6 miteinander verbunden. Sowohl im Gerüstoberteil 1 als auch im Gerüstunterteil 2 sind für jeweils 4 Stützrollen parallel zueinander laufende Stützschalen 7-14 eingearbeitet.The stand of a multi-roll stand shown in FIG. 1 consists of an upper stand part 1 and a lower stand part 2. The two stand parts 1, 2 are connected to one another via 4 columns 3-6. Support shells 7-14 running parallel to each other are worked into both the upper part 1 of the frame and the lower part 2 of the frame.

Wie in Figur 2 für das Gerüstunterteil 2 dargestellt ist, ist für jede Schale von zwei unter einem rechten Winkel zueinander angeordneten, ebenen Stützflächen 16a, 16b,17a, 17b, 17c,18a,18b gebildet, wobei die beiden unteren Schalen 12,13 eine gemeinsame ebene Stützfläche 17b haben. Die Ausbildung des Gerüstoberteils 1 ist entsprechend. Insgesamt ergibt sich somit für die Stützschalen 7-14 eine treppenförmige Anordnung.As shown in FIG. 2 for the lower frame part 2, two flat support surfaces 16a, 16b, 17a, 17b, 17c, 18a, 18b, which are arranged at right angles to one another, are formed for each shell, the two lower shells 12, 13 being one have common flat support surface 17b. The design of the upper part of the scaffold 1 is corresponding. Overall, this results in a stair-shaped arrangement for the support shells 7-14.

Die für das Gerüstober- und Gerüstunterteil 1,2 geeigneten Stützsättel gemäß den Figuren 3 und 4 bestehen jeweils aus einer Lagerscheibe 19, die zwischen den einzelnen Abschnitten einer Stützrolle angeordnet ist und in der die Stützrollenachse gelagert ist, und aus einem Fuß 20 mit zwei unter einem rechten Winkel zueinander angeordneten Stützflächen 20a,20b. Der Fuß stützt sich mit seinen Stützflächen 20a,20b an den ebenen Stützflächen 16a,16b,17a,17b,17c,18a,18b des entsprechenden Gerüstteils 2 bzw. 1 ab.The suitable for the scaffold upper and lower scaffold part 1.2 support saddles according to Figures 3 and 4 each consist of a bearing disc 19 which is arranged between the individual sections of a support roller and in which the support roller axis is mounted, and a foot 20 with two under support surfaces 20a, 20b arranged at right angles to one another. The foot is supported with its support surfaces 20a, 20b on the flat support surfaces 16a, 16b, 17a, 17b, 17c, 18a, 18b of the corresponding scaffolding part 2 and 1 respectively.

Wegen der zueinander unter einem Winkel angeordneten Stützflächen 18a,18b ergeben sich geometrisch eindeutige Zuordnungen zwischen den Stützsätteln 19,20 und den Stützschalen 7-14. Zum Ausgleich von Fertigungstoleranzen und Verschleiß sind zwischen den Stützflächen 18a, 18b dünne Platten eingelegt.Because of the support surfaces 18a, 18b arranged at an angle to one another, there are geometrically unambiguous assignments between the support saddles 19, 20 and the support shells 7-14. To compensate for manufacturing tolerances and wear, thin plates are inserted between the support surfaces 18a, 18b.

Claims (3)

  1. A multi-roll stand having a number of top and bottom support rolls, each of which bears via support saddles (19,20) against parallel support shells (7-14) consisting of only two flat supporting surfaces (16a,16b,17a,17b,17c,18a,18b) which are disposed at an angle to one another in the top portion (1) and bottom portion (2) of the stand, characterized in that the support shells (7-14) are disposed on the supporting surfaces (16a,16b,17a,17b,17c,18a,18b) via intermediate wearing plates.
  2. A multi-roll stand according to claim 1, characterized in that the flat supporting surfaces (16a,16b,17a,17b,17c,18a,18b) are disposed in steps.
  3. A multi-roll stand according to claims 1 or 2, characterized in that the supporting surfaces (16a,16b,17a,17b,17c,18a,18b) associated with each set of support saddles (19,20) are disposed at right angles to one another.
EP91102303A 1990-03-07 1991-02-19 Multistage rolling millstand Expired - Lifetime EP0445566B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91102303T ATE98531T1 (en) 1990-03-07 1991-02-19 MANY ROLLER ROLLER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4007096 1990-03-07
DE4007096A DE4007096A1 (en) 1990-03-07 1990-03-07 HOUSING OF A MULTI-ROLLER SCAFFOLDING

Publications (2)

Publication Number Publication Date
EP0445566A1 EP0445566A1 (en) 1991-09-11
EP0445566B1 true EP0445566B1 (en) 1993-12-15

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ID=6401573

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Application Number Title Priority Date Filing Date
EP91102303A Expired - Lifetime EP0445566B1 (en) 1990-03-07 1991-02-19 Multistage rolling millstand

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EP (1) EP0445566B1 (en)
JP (1) JP2992103B2 (en)
AT (1) ATE98531T1 (en)
DE (3) DE9007560U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7765844B2 (en) * 2007-12-20 2010-08-03 Intergrated Industrial Systems, Inc. Prestressed rolling mill housing assembly with improved operational features

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1614422A (en) * 1925-07-08 1927-01-11 American Brass Co Rolling mill
US3709019A (en) * 1970-02-03 1973-01-09 Sendzimir Inc T Beam backed cluster mill
JPS55123B2 (en) * 1972-08-19 1980-01-05

Also Published As

Publication number Publication date
DE9007560U1 (en) 1992-08-20
EP0445566A1 (en) 1991-09-11
DE4007096A1 (en) 1991-09-12
ATE98531T1 (en) 1994-01-15
JPH04262809A (en) 1992-09-18
DE4007096C2 (en) 1992-04-09
DE59100703D1 (en) 1994-01-27
JP2992103B2 (en) 1999-12-20

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