EP2368647B1 - System made of a roll housing and a roll changing device - Google Patents

System made of a roll housing and a roll changing device Download PDF

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Publication number
EP2368647B1
EP2368647B1 EP11002295.1A EP11002295A EP2368647B1 EP 2368647 B1 EP2368647 B1 EP 2368647B1 EP 11002295 A EP11002295 A EP 11002295A EP 2368647 B1 EP2368647 B1 EP 2368647B1
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EP
European Patent Office
Prior art keywords
roll
carrier element
changing device
rolls
roll housing
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Active
Application number
EP11002295.1A
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German (de)
French (fr)
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EP2368647A1 (en
Inventor
Volker Wengenroth
Joachim Kreisl
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SMS Group GmbH
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SMS Meer GmbH
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Publication of EP2368647A1 publication Critical patent/EP2368647A1/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
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • 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
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B21B31/103—Manipulators or carriages therefor
    • 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
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B21B31/106—Vertical displacement of rolls or roll chocks during horizontal roll changing

Definitions

  • the invention relates to a system consisting of at least one roll stand and at least one roll changing device, wherein in the roll stand at least two rolls are arranged vertically one above the other, which define a nip between them, wherein each roll consists of a working part and two journals, wherein the bearing journals in bearing arrangements in Roller stands are mounted and wherein between the working part and the bearing pin clutches are arranged, with which the working part can be decoupled from the bearing pin.
  • Such a system is out of the EP 1 790 423 B1 known.
  • a roll stand is shown, which can be equipped with two rollers.
  • the rollers are constructed so that the working part of the rollers can be separated from the roll neck.
  • couplings between the working part of the roller and the journal are available. This has the advantage that the roll neck can remain in their bearings in the roll stand for roll change and only the working parts of the rolls must be changed.
  • the clutches are released and removed the workpieces from the roll stand.
  • the previously known solution provides that the roll located in the upper of the roll stand has a greater clear width between the couplings, while the clear width between the couplings for the lower roll is smaller. This facilitates the removal of the two working parts of the rollers by lifting upwards, for example by means of a roll changing device in the form of a crane.
  • the invention is therefore based on the object , a system of the type mentioned - consisting of roll stand and roll changing device - educate so that changing the working parts of the rollers faster and easier with yet great precision is possible.
  • the roll changing device comprises a support member which is formed for a horizontal insertion into the roll stand and one of the number of rollers corresponding number of receiving spaces for the working parts of the rollers, wherein on the one hand the support member and on the other hand, the roll stand Guide means is provided, wherein the guide means of the support element engage positively in the trained for a guided horizontal and vertical movement during roll change guide means of the roll stand.
  • a preferred embodiment of the invention provides sliding blocks as guide elements of the support element and guide slots with horizontal and vertical sections as guide elements of the roll stand.
  • the roll changing system according to the invention is therefore particularly suitable for a roll stand designed as a stretching roll stand or as a cross roll stand.
  • the carrier element is preferably connected to means for translational movement of the carrier element in the horizontal direction or can be brought into connection with such means. Accordingly, it is preferably provided that the carrier element is connected to means for translational movement of the carrier element in the vertical direction in connection or can be brought into connection; a means for translational movement of the carrier element in the vertical direction can be in particular a crane.
  • the support member may consist of at least two substantially identical plates which are mutually parallel and offset in the direction of the axis of the rollers connected to each other.
  • the plates are preferably made of a flat sheet.
  • the roll changing device may optionally be used, for example, a change carriage or a removable crane.
  • a roll stand 2 of a stretching roll stand is shown.
  • two rollers 4 and 5 are installed, in the vertical direction V one above the other.
  • the rollers extend in an axial direction a. They are not made in one piece, but are composed of a working part 6, 7 and two laterally thereto arranged bearing pin 8, 9.
  • the working parts 6, 7 of the rollers 4, 5 and the bearing pins 8, 9 can be coupled or decoupled by means of couplings 12.
  • This construction concept is known per se and has the advantage that the bearing pins 8, 9 of the rollers 4, 5 can remain in their bearing arrangements 10, 11, with which they are mounted in the roll stand 2, even if the working parts 6, 7 of the rollers. 4 , 5 need to be changed.
  • the roll changing device 3 consists in the present case of two flat plates 20, which in the FIGS. 2 to 6 sketched shape and at a distance - as seen in the direction of the axis a - are firmly connected.
  • the plates are formed so that they form two receiving places 14, 15 for the two working parts 6, 7 of the rollers 4, 15, which are designed like a fork, so that the working parts 6, 7 can rest safely in the receiving places 14, 15.
  • the receiving sites 14, 15 have for this purpose bearing surfaces 16, 17 which are adapted to the shape of the working parts 6, 7, ie the bearing surfaces 16, 17 have a circular arc-like shape - seen in the direction of the axis a.
  • the roll changing device 3 further comprises means 18 for horizontal displacement and means 19 for vertical displacement, which in Fig. 2 are indicated schematically.
  • the roll changing device 3 can thus be moved translationally in the horizontal direction H and in the vertical direction V.
  • the means 18, 19 can also be realized by a crane, which moves the roll changing device 3 as such.
  • the roll stand 2 together with roll changing device 3 forms a system 1 with which a simple roll change or change of the working parts of the rolls is possible.
  • guide means 21, 22, 23, 24 are provided (s. Fig. 2 ), which ensure the precise guidance of the roll changing device 3 in the roll stand 2.
  • the guide means consist of guide slots 21 and 22, which are incorporated in the roll stand 2, and of sliding blocks 23 and 24, which are arranged on the roll changing device 3 (in each case in two planes in the axial end regions of the tool changing device 3).
  • Fig. 5 is the roll changing device 3 arrived in the uppermost position, ie the sliding blocks 23, 24 are at the upper end of the vertical sections 27, 28 of the guide slot 21, 22 arrived. Now, the roll changing device 3 along the horizontal portions 29, 30 of the guide slot 21, 22 in the horizontal direction from the roll stand 2 are moved out again, now the workpieces 6, 7 of the rollers 4, 5 rest in the receiving stations 14, 15.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Looms (AREA)

Abstract

The coupling system (1) has two rollers (4,5) are arranged over one another in a rolling stand (2) in a vertical direction (V). A rolling changeover device (3) has a support element (13) which is formed for a horizontal direction (H) inserted in the rolling stand. One of the rollers has multiple receiving plates (14,15) for the working parts of the rollers.

Description

Die Erfindung betrifft ein System bestehend aus mindestens einem Walzenständer und mindestens einer Walzenwechselvorrichtung, wobei im Walzenständer mindestens zwei Walzen vertikal übereinander angeordnet sind, die zwischen sich einen Walzspalt definieren, wobei jede Walze aus einem Arbeitsteil und zwei Lagerzapfen besteht, wobei die Lagerzapfen in Lageranordnungen im Walzenständer gelagert sind und wobei zwischen dem Arbeitsteil und den Lagerzapfen Kupplungen angeordnet sind, mit denen der Arbeitsteil von den Lagerzapfen entkoppelt werden kann.The invention relates to a system consisting of at least one roll stand and at least one roll changing device, wherein in the roll stand at least two rolls are arranged vertically one above the other, which define a nip between them, wherein each roll consists of a working part and two journals, wherein the bearing journals in bearing arrangements in Roller stands are mounted and wherein between the working part and the bearing pin clutches are arranged, with which the working part can be decoupled from the bearing pin.

Ein solches System ist aus der EP 1 790 423 B1 bekannt. Hier wird ein Walzenständer gezeigt, der mit zwei Walzen bestückt werden kann. Die Walzen sind dabei so aufgebaut, dass der Arbeitsteil der Walzen von den Walzenzapfen getrennt werden kann. Hierfür sind Kupplungen zwischen dem Arbeitsteil der Walze und dem Lagerzapfen vorhanden. Dies hat den Vorteil, dass zum Walzenwechsel die Walzenzapfen in ihren Lagerungen im Walzenständer verbleiben können und nur die Arbeitsteile der Walzen gewechselt werden müssen.Such a system is out of the EP 1 790 423 B1 known. Here a roll stand is shown, which can be equipped with two rollers. The rollers are constructed so that the working part of the rollers can be separated from the roll neck. For this purpose, couplings between the working part of the roller and the journal are available. This has the advantage that the roll neck can remain in their bearings in the roll stand for roll change and only the working parts of the rolls must be changed.

Zum Walzenwechsel werden die Kupplungen gelöst und die Arbeitsteile aus dem Walzenständer entnommen. Damit dies in einfacher Weise möglich ist, sieht die vorbekannte Lösung vor, dass die im Walzenständer oben liegende Walze eine größere lichte Weite zwischen den Kupplungen aufweist, während die lichte Weite zwischen den Kupplungen für die unten liegende Walze kleiner ist. Dies erleichtert das Entfernen der beiden Arbeitsteile der Walzen durch Abheben nach oben, beispielsweise mittels einer Walzenwechselvorrichtung in Form eines Krans.To change the rollers, the clutches are released and removed the workpieces from the roll stand. In order for this to be possible in a simple manner, the previously known solution provides that the roll located in the upper of the roll stand has a greater clear width between the couplings, while the clear width between the couplings for the lower roll is smaller. This facilitates the removal of the two working parts of the rollers by lifting upwards, for example by means of a roll changing device in the form of a crane.

Zwar kann hiermit der Wechsel der Arbeitsteile der Walzen einfacher erfolgen, erfordert jedoch immer noch eine erheblich Zeit, zumeist über zehn Minuten, denn die Walzen müssen einzeln und nacheinander entnommen werden.Although this can make the change of the working parts of the rollers easier, but still requires a considerable amount of time, usually over ten minutes, because the rollers must be removed one by one and in succession.

Der Erfindung liegt daher die Aufgabe zugrunde, ein System der eingangs genannten Art - bestehend aus Walzenständer und Walzenwechselvorrichtung - so fortzubilden, dass das Wechseln der Arbeitsteile der Walzen schneller und einfacher mit gleichzeitig dennoch großer Präzision möglich wird.The invention is therefore based on the object , a system of the type mentioned - consisting of roll stand and roll changing device - educate so that changing the working parts of the rollers faster and easier with yet great precision is possible.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Walzenwechselvorrichtung ein Trägerelement umfasst, das für einen horizontalen Einschub in den Walzenständer ausgebildet ist und eine der Anzahl der Walzen entsprechende Anzahl von Aufnahmeplätzen für die Arbeitsteile der Walzen aufweist, wobei einerseits das Trägerelement und andererseits der Walzenständer mit Führungsmitteln versehen ist, wobei die Führungsmittel des Trägerelementes formschlüssig in die für einen geführten horizontalen und vertikalen Bewegungsablauf beim Walzenwechsel ausgebildeten Führungsmittel des Walzenständers eingreifen.This object is achieved in that the roll changing device comprises a support member which is formed for a horizontal insertion into the roll stand and one of the number of rollers corresponding number of receiving spaces for the working parts of the rollers, wherein on the one hand the support member and on the other hand, the roll stand Guide means is provided, wherein the guide means of the support element engage positively in the trained for a guided horizontal and vertical movement during roll change guide means of the roll stand.

Abgesehen davon, dass bereits eine externe Vorzentrierung der zu wechselnden Teile der Walzen ermöglicht wird, nämlich außerhalb des Walzgerüstes mit exakter Lageanordnung in den Aufnahmeplätzen des Traggestells, wird diese durch den formschlüssigen Eingriff der Führungsmittel beim horizontalen und vertikalen Einbau-Bewegungsablauf bis zur endgültigen Positionierung im Walzenständer präzise eingehalten. Dort liegen sich die im Walzgerüst bzw. den - ständern verbleibenden Teile, wie insbesondere die Lagerzapfen, und die ausgetauschten bzw. neuen Arbeitsteile der Walzen exakt ausgerichtet gegenüber. Es lässt sich damit folglich auch ein sicheres Kuppeln erreichen, was den Wechselvorgang wesentlich einfacher macht.Apart from the fact that already an external pre-centering of the parts of the rollers to be changed is made possible, namely outside of the rolling stand with exact location arrangement in the receiving locations of the support frame, this is precisely maintained by the positive engagement of the guide means in the horizontal and vertical installation movement to the final positioning in the roll stand. There, the parts remaining in the rolling stand or the stands, in particular the bearing journals, and the exchanged or new working parts of the rolls lie exactly aligned. It can thus consequently achieve a secure coupling, which makes the change process much easier.

Eine bevorzugte Ausführung der Erfindung sieht Kulissensteine als Führungselemente des Trägerelementes und Führungskulissen mit horizontalen und vertikalen Abschnitten als Führungselemente des Walzenständers vor.A preferred embodiment of the invention provides sliding blocks as guide elements of the support element and guide slots with horizontal and vertical sections as guide elements of the roll stand.

Vorteilhaft sind genau zwei Aufnahmeplätze für zwei Walzen im Trägerelement angeordnet. Das erfindungsgemäße Walzenwechselsystem ist daher besonderes bei einem als Reckwalzgerüst oder als Querwalzgerüst ausgebildeten Walzenständer geeignet.Advantageously, exactly two receiving locations for two rollers are arranged in the carrier element. The roll changing system according to the invention is therefore particularly suitable for a roll stand designed as a stretching roll stand or as a cross roll stand.

Das Trägerelement steht bevorzugt mit Mitteln zum translatorischen Bewegen des Trägerelements in horizontale Richtung in Verbindung bzw. ist mit solchen Mitteln in Verbindung bringbar. Entsprechend ist bevorzugt vorgesehen, dass das Trägerelement mit Mitteln zum translatorischen Bewegen des Trägerelements in vertikale Richtung in Verbindung steht oder in Verbindung bringbar ist; ein Mittel zum translatorischen Bewegen des Trägerelements in vertikale Richtung kann insbesondere ein Kran sein.The carrier element is preferably connected to means for translational movement of the carrier element in the horizontal direction or can be brought into connection with such means. Accordingly, it is preferably provided that the carrier element is connected to means for translational movement of the carrier element in the vertical direction in connection or can be brought into connection; a means for translational movement of the carrier element in the vertical direction can be in particular a crane.

Das Trägerelement kann aus mindestens zwei im wesentlichen formgleichen Platten bestehen, die parallel zueinander und in Richtung der Achse der Walzen versetzt miteinander verbunden sind. Die Platten sind dabei bevorzugt aus einem ebenen Blech gefertigt.The support member may consist of at least two substantially identical plates which are mutually parallel and offset in the direction of the axis of the rollers connected to each other. The plates are preferably made of a flat sheet.

Mit der vorgeschlagenen Ausgestaltung des genannten Systems wird es möglich, den Wechsel der Arbeitsteile der Walzen in sehr kurzer Zeit zu bewerkstelligen und folglich eine ökonomischere Betriebsweise zu realisieren. Der Wechsel kann simultan für beide Arbeitsteile der Walzen erfolgen. Die Walzenzapfen der Walzen verbleiben beim Wechsel der Arbeitsteile im Walzenständer und in ihren Lageranordnungen.With the proposed embodiment of the said system, it is possible to accomplish the change of the working parts of the rollers in a very short time and consequently to realize a more economical operation. The change can be made simultaneously for both working parts of the rolls. The roll necks of the rollers remain when changing the working parts in the roll stand and in their bearing arrangements.

Zur Bewegung der Walzenwechselvorrichtung kann wahlweise zum Beispiel ein Wechselwagen oder ein Wechselkran eingesetzt werden.For the movement of the roll changing device may optionally be used, for example, a change carriage or a removable crane.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt. Es zeigen:

Fig. 1
schematisch einen Walzenständer in Form eines Reckwalzengerüsts in der Vorderansicht;
Fig. 2
den Walzenständer gemäß Fig. 1 in der Seitenansicht zusammen mit einer Walzenwechselvorrichtung;
Fig. 3
in der Darstellung gemäß Fig. 2 die in den Walzenständer eingefahrene Walzenwechselvorrichtung;
Fig. 4
in der Darstellung gemäß Fig. 2 den Walzenständer mit nunmehr etwas angehobener Walzenwechselvorrichtung;
Fig. 5
in der Darstellung gemäß Fig. 2 den Walzenständer mit jetzt maximal angehobener Walzenwechselvorrichtung; und
Fig. 6
in der Darstellung gemäß Fig. 2 die aus dem Walzenständer herausgehobene Walzenwechselvorrichtung mit aufgenommenen Arbeitsteilen der Walzen.
In the drawing, an embodiment of the invention is shown. Show it:
Fig. 1
schematically a roll stand in the form of a stretching roll stand in front view;
Fig. 2
according to the roll stand Fig. 1 in side view together with a roll changing device;
Fig. 3
in the illustration according to Fig. 2 the roll changing device retracted into the roll stand;
Fig. 4
in the illustration according to Fig. 2 the roll stand with now slightly raised roll changing device;
Fig. 5
in the illustration according to Fig. 2 the roll stand with now maximum raised roll changing device; and
Fig. 6
in the illustration according to Fig. 2 the lifted out of the roll stand roll changing device with recorded working parts of the rollers.

In Fig. 1 ist ein Walzenständer 2 eines Reckwalzgerüsts dargestellt. Im Walzenständer 2 sind zwei Walzen 4 und 5 eingebaut, und zwar in vertikale Richtung V übereinander.In Fig. 1 a roll stand 2 of a stretching roll stand is shown. In the roll stand 2, two rollers 4 and 5 are installed, in the vertical direction V one above the other.

Die Walzen erstrecken sich in eine Achsrichtung a. Sie sind nicht einstückig ausgeführt, sondern sind aus einem Arbeitsteil 6, 7 und zwei seitlich hieran angeordneten Lagerzapfen 8, 9 aufgebaut. Die Arbeitsteile 6, 7 der Walzen 4, 5 und die Lagerzapfen 8, 9 können mittels Kupplungen 12 gekoppelt oder entkoppelt werden. Dieses Baukonzept ist an sich bekannt und hat den Vorteil, dass die Lagerzapfen 8, 9 der Walzen 4, 5 in ihren Lageranordnungen 10, 11 verbleiben können, mit denen sie im Walzenständer 2 gelagert sind, auch wenn die Arbeitsteile 6, 7 der Walzen 4, 5 gewechselt werden müssen.The rollers extend in an axial direction a. They are not made in one piece, but are composed of a working part 6, 7 and two laterally thereto arranged bearing pin 8, 9. The working parts 6, 7 of the rollers 4, 5 and the bearing pins 8, 9 can be coupled or decoupled by means of couplings 12. This construction concept is known per se and has the advantage that the bearing pins 8, 9 of the rollers 4, 5 can remain in their bearing arrangements 10, 11, with which they are mounted in the roll stand 2, even if the working parts 6, 7 of the rollers. 4 , 5 need to be changed.

Das Wechseln der Walzen oder genauer gesagt der Arbeitsteile 6, 7 der Walzen 4, 5 erfolgt mit einer Walzenwechselvorrichtung 3, wie sie in den Figuren 2 bis 6 zu sehen ist.The change of the rollers or more precisely of the working parts 6, 7 of the rollers 4, 5 is carried out with a roll changing device 3, as in the FIGS. 2 to 6 you can see.

Die Walzenwechselvorrichtung 3 besteht vorliegend aus zwei ebenen Platten 20, die die in den Figuren 2 bis 6 skizzierte Form aufweisen und in einem Abstand - in Richtung der Achse a gesehen - miteinander fest verbunden sind. Die Platten sind dabei so ausgeformt, dass sie für die beiden Arbeitsteile 6, 7 der Walzen 4, 5 zwei Aufnahmeplätze 14, 15 ausbilden, die gabelartig ausgeführt sind, so dass die Arbeitsteile 6, 7 in den Aufnahmeplätzen 14, 15 sicher aufliegen können. Die Aufnahmeplätze 14, 15 weisen hierzu Auflageflächen 16, 17 auf, die der Form der Arbeitsteile 6, 7 angepasst sind, d. h. die Auflageflächen 16, 17 weisen eine kreisbogenähnliche Form auf - gesehen in Richtung der Achse a.The roll changing device 3 consists in the present case of two flat plates 20, which in the FIGS. 2 to 6 sketched shape and at a distance - as seen in the direction of the axis a - are firmly connected. The plates are formed so that they form two receiving places 14, 15 for the two working parts 6, 7 of the rollers 4, 15, which are designed like a fork, so that the working parts 6, 7 can rest safely in the receiving places 14, 15. The receiving sites 14, 15 have for this purpose bearing surfaces 16, 17 which are adapted to the shape of the working parts 6, 7, ie the bearing surfaces 16, 17 have a circular arc-like shape - seen in the direction of the axis a.

Die Walzenwechselvorrichtung 3 weist weiterhin Mittel 18 zum horizontalen Verschieben sowie Mittel 19 zum vertikalen Verschieben auf, die in Fig. 2 schematisch angedeutet sind. Die Walzenwechselvorrichtung 3 kann also in horizontale Richtung H und in vertikale Richtung V translatorisch bewegt werden. Die Mittel 18, 19 können dabei auch durch einen Kran realisiert sein, der die Walzenwechselvorrichtung 3 als solche bewegt.The roll changing device 3 further comprises means 18 for horizontal displacement and means 19 for vertical displacement, which in Fig. 2 are indicated schematically. The roll changing device 3 can thus be moved translationally in the horizontal direction H and in the vertical direction V. The means 18, 19 can also be realized by a crane, which moves the roll changing device 3 as such.

Der Walzenständer 2 samt Walzenwechselvorrichtung 3 bildet ein System 1, mit dem ein einfacher Walzenwechsel bzw. Wechsel der Arbeitsteile der Walzen möglich ist.The roll stand 2 together with roll changing device 3 forms a system 1 with which a simple roll change or change of the working parts of the rolls is possible.

Die in Fig. 2 sich noch neben dem Walzenständer befindliche Walzenwechselvorrichtung 3 wird zum Walzenwechsel in die in Fig. 3 skizzierte Position in den Walzenständer 2 eingefahren, so dass sich die gabelförmigen Auflageflächen 16, 17 genau unter den Arbeitsteilen 6, 7 der Walzen 4, 5 befinden. Bevor dies geschieht, wurde die Walzenwechselvorrichtung 3 in der Einfahrebene positioniert und die beiden Walzen 4, 5 in Werkzeugwechselposition verfahren. Hierzu befindet sich ein Antriebsexzenter unten und die Walzenachsen befinden sich auf maximalem Abstand.In the Fig. 2 Still located next to the roll stand roll changing device 3 is the roll change in the in Fig. 3 sketched position in the roll stand 2 retracted, so that the fork-shaped bearing surfaces 16, 17 are exactly below the working parts 6, 7 of the rollers 4, 5. Before this happens, the roll changing device 3 has been positioned in the entrance level and the two rollers 4, 5 moved in the tool change position. For this purpose, there is a drive eccentric below and the roller axes are at maximum distance.

Zur präzisen Führung der Walzenwechselvorrichtung 3 im Walzenständer 2 sind Führungsmittel 21, 22, 23, 24 vorgesehen (s. Fig. 2), die die präzise Führung der Walzenwechselvorrichtung 3 im Walzenständer 2 sicherstellen. Die Führungsmittel bestehen aus Führungskulissen 21 und 22, die in den Walzenständer 2 eingearbeitet sind, sowie aus Kulissensteinen 23 und 24, die an der Walzenwechselvorrichtung 3 angeordnet sind (jeweils in zwei Ebenen in den axialen Endbereichen der Werkzeugwechselvorrichtung 3).For precise guidance of the roll changing device 3 in the roll stand 2 guide means 21, 22, 23, 24 are provided (s. Fig. 2 ), which ensure the precise guidance of the roll changing device 3 in the roll stand 2. The guide means consist of guide slots 21 and 22, which are incorporated in the roll stand 2, and of sliding blocks 23 and 24, which are arranged on the roll changing device 3 (in each case in two planes in the axial end regions of the tool changing device 3).

Demgemäß sind - wie in Fig. 3 gesehen werden kann - die Kulissensteine 23, 24 in horizontale Abschnitt 25, 26 der Führungskulissen 23, 24 eingetreten, wodurch die Walzenwechselvorrichtung 3 in horizontale Richtung H in den Walzenständer 2 und unter die Arbeitsteile 6, 7 der Walzen 4, 5 eingeführt wird. Dies erfolgt solange, bis die Kulissensteine 23, 24 an das Ende der horizontalen Abschnitte 25, 26 der Führungskulissen 21, 22 anstoßen.Accordingly, as in Fig. 3 can be seen - the sliding blocks 23, 24 in horizontal section 25, 26 of the guide slots 23, 24 occurred, whereby the roll changing device 3 in the horizontal direction H in the roll stand 2 and below the working parts 6, 7 of the rollers 4, 5 is introduced. this happens until the sliding blocks 23, 24 to the end of the horizontal portions 25, 26 of the guide slots 21, 22 abut.

Wie weiter in den Figuren 4 und 5 gesehen werden kann, wird nunmehr die Walzenwechselvorrichtung 3 vertikal nach oben bewegt, und zwar bei gelöster Walzenklemmung, wobei die Kulissensteine 23, 24 entlang der vertikalen Abschnitte 27 und 28 der Führungskulisse 21, 22 geführt werden (in den Figuren 3 und 4 ist dies für zwei unterschiedliche Höhenpositionen der Walzenwechselvorrichtung 3 dargestellt). Bei dieser Bewegung werden die Arbeitsteile 6, 7 der beiden Walzen 4, 5 von den Aufnahmeflächen 16, 17 untergriffen und angehoben.As further in the FIGS. 4 and 5 can be seen, now the roll changing device 3 is moved vertically upwards, with dissolved roll clamping, wherein the sliding blocks 23, 24 along the vertical sections 27 and 28 of the guide slot 21, 22 are guided (in the FIGS. 3 and 4 this is shown for two different height positions of the roll changing device 3). During this movement, the working parts 6, 7 of the two rollers 4, 5 are engaged and lifted by the receiving surfaces 16, 17.

Gemäß Fig. 5 ist die Walzenwechselvorrichtung 3 in der obersten Position angekommen, d. h. die Kulissensteine 23, 24 sind am oberen Ende der vertikalen Abschnitte 27, 28 der Führungskulisse 21, 22 angekommen. Nunmehr kann die Walzenwechselvorrichtung 3 entlang der horizontalen Abschnitte 29, 30 der Führungskulisse 21, 22 in horizontale Richtung aus dem Walzenständer 2 wieder herausgefahren werden, wobei jetzt die Arbeitsteile 6, 7 der Walzen 4, 5 in den Aufnahmeplätzen 14, 15 aufliegen.According to Fig. 5 is the roll changing device 3 arrived in the uppermost position, ie the sliding blocks 23, 24 are at the upper end of the vertical sections 27, 28 of the guide slot 21, 22 arrived. Now, the roll changing device 3 along the horizontal portions 29, 30 of the guide slot 21, 22 in the horizontal direction from the roll stand 2 are moved out again, now the workpieces 6, 7 of the rollers 4, 5 rest in the receiving stations 14, 15.

Die komplett herausgefahrene Werkzeugwechselvorrichtung 3 samt Arbeitsteilen 6, 7 ist in Fig. 6 dargestellt.The completely moved out tool changing device 3 together with working parts 6, 7 is in Fig. 6 shown.

Zum Einsetzen neuer Arbeitsteile 6, 7 in den Walzenständer 2 wird entsprechend in umgekehrter Reihenfolge vorgegangen.To insert new working parts 6, 7 in the roll stand 2 is proceeded accordingly in reverse order.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

11
Systemsystem
22
Walzenständerroll housing
33
WalzenwechselvorrichtungRoll changing device
44
Walzeroller
55
Walzeroller
66
Arbeitsteilworking part
77
Arbeitsteilworking part
88th
Lagerzapfenpivot
99
Lagerzapfenpivot
1010
Lageranordnungbearing arrangement
1111
Lageranordnungbearing arrangement
1212
Kupplungclutch
1313
Trägerelementsupport element
1414
Aufnahmeplatzrecording space
1515
Aufnahmeplatzrecording space
1616
Auflageflächebearing surface
1717
Auflageflächebearing surface
1818
Mittel zum horizontalen VerschiebenMeans for horizontal movement
1919
Mittel zum vertikalen VerschiebenMeans for vertical movement
2020
Platteplate
2121
Führungskulisseguide link
2222
Führungskulisseguide link
2323
Kulissensteinsliding block
2424
Kulissensteinsliding block
2525
horizontaler Abschnitt der Führungskulissehorizontal section of the guide slot
2626
horizontaler Abschnitt der Führungskulissehorizontal section of the guide slot
2727
vertikaler Abschnitt der Führungskulissevertical section of the guide slot
2828
vertikaler Abschnitt der Führungskulissevertical section of the guide slot
2929
horizontaler Abschnitt der Führungskulissehorizontal section of the guide slot
3030
horizontaler Abschnitt der Führungskulissehorizontal section of the guide slot
VV
vertikale Richtungvertical direction
HH
horizontale Richtunghorizontal direction
aa
Achseaxis

Claims (9)

  1. A system (1) consisting of at least one roll housing (2) and at least one roll changing device (3), wherein at least two rolls (4, 5) are arranged vertically (V) on top of one another in the roll housing (2) and define a roll gap between one another, wherein each roll (4, 5) consists of a working part (6, 7) and two journals (8, 9), wherein the journals (8, 9) are supported in bearings arrangements (10, 11) in the roll housing (2), and wherein clutches (12) are arranged between the working part (6, 7) and the journals (8, 9) such that the working part (6, 7) can be decoupled from the journals (8, 9),
    characterized in that
    the roll changing device (3) comprises a carrier element (13) that is designed for a horizontal (H) insertion into the roll housing (2) and features a number of receptacle spaces (14, 15) for the working parts (6, 7) of the rolls (4, 5) that corresponds to the number of rolls (4, 5), wherein the carrier element (13) on the one hand and the roll housing (2) on the other hand are provided with guiding means (23, 24, as well as 21, 25, 27, 29 and 22, 26, 28, 30), and wherein the guiding means (23, 24) of the carrier element (13) positively engage into the guiding means (21, 25, 27, 29 and 22, 25, 28, 30) of the roll housing (2) that are designed for a guided horizontal and vertical motion sequence during the roll change.
  2. The system according to Claim 1,
    characterized by
    sliding blocks (23, 24) as guide elements of the carrier element (13) and guide links (21, 22) with horizontal and vertical sections (25, 26, 29, 30 and 27, 28) as guide elements of the roll housing (2).
  3. The system according to Claim 1 or 2, characterized in that two receptacle spaces (14, 15) for two rolls (4, 5) are provided in the carrier element (13).
  4. The system according to one of Claims 1 to 3, characterized in that the receptacle spaces (14, 15) of the carrier element (13) feature a supporting surface (16, 17) that is adapted to the shape of the working parts (6, 7) of the rolls (4, 5).
  5. The system according to one of Claims 1 to 4, characterized in that the carrier element (13) is connected or can be connected to means (18) for moving the carrier element (13) in the horizontal direction (H) in a translatory fashion.
  6. The system according to one of Claims 1 to 5, characterized in that the carrier element (13) is connected or can be connected to means (19) for moving the carrier element (13) in the vertical direction (V) in a translatory fashion.
  7. The system according to one of Claims 1 to 6, characterized in that the carrier element (13) consists of at least two plates (20) that essentially have the same shape and are connected parallel and offset to one another in the direction of the axis (a) of the rolls (5, 6).
  8. The system according to one of Claims 1 to 7, characterized in that the roll housing (2) is realized in the form of a stretch rolling stand.
  9. The system according to one of Claims 1 to 7, characterized in that the roll housing (2) is realized in the form of a transverse rolling stand.
EP11002295.1A 2010-03-23 2011-03-21 System made of a roll housing and a roll changing device Active EP2368647B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010012292 2010-03-23

Publications (2)

Publication Number Publication Date
EP2368647A1 EP2368647A1 (en) 2011-09-28
EP2368647B1 true EP2368647B1 (en) 2013-12-18

Family

ID=44310106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11002295.1A Active EP2368647B1 (en) 2010-03-23 2011-03-21 System made of a roll housing and a roll changing device

Country Status (2)

Country Link
EP (1) EP2368647B1 (en)
ES (1) ES2444502T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014005331B3 (en) * 2014-02-11 2015-05-21 Sms Meer Gmbh Tool change system and method as well as stretching roller
CN107511399A (en) * 2016-06-16 2017-12-26 中冶宝钢技术服务有限公司 A kind of roll mill replacing auxiliary mould and replacing options

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026136A (en) * 1974-01-07 1977-05-31 National Steel Corporation Method and apparatus for changing rolls for a rolling mill
DE19633668C5 (en) * 1996-08-21 2004-04-01 Voith Paper Patent Gmbh Process for changing a roller and roller changing tool
DE102004063547B3 (en) * 2004-12-30 2006-07-06 Eduard Küsters Maschinenfabrik GmbH & Co. KG Roll-changing tool
DE102005056649B3 (en) 2005-11-25 2007-05-31 Langenstein & Schemann Gmbh Device for holding at least two rolls of a rolling machine and rolling machine

Also Published As

Publication number Publication date
EP2368647A1 (en) 2011-09-28
ES2444502T3 (en) 2014-02-25

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