EP2310151A2 - Roller device with adjuster device - Google Patents

Roller device with adjuster device

Info

Publication number
EP2310151A2
EP2310151A2 EP09777080A EP09777080A EP2310151A2 EP 2310151 A2 EP2310151 A2 EP 2310151A2 EP 09777080 A EP09777080 A EP 09777080A EP 09777080 A EP09777080 A EP 09777080A EP 2310151 A2 EP2310151 A2 EP 2310151A2
Authority
EP
European Patent Office
Prior art keywords
piston
roller
adjusting device
adjustment
space
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.)
Granted
Application number
EP09777080A
Other languages
German (de)
French (fr)
Other versions
EP2310151B1 (en
Inventor
Edgar Filk
Sebastian BÖCKING
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 Siemag 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 Siemag AG filed Critical SMS Siemag AG
Publication of EP2310151A2 publication Critical patent/EP2310151A2/en
Application granted granted Critical
Publication of EP2310151B1 publication Critical patent/EP2310151B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • B21B2031/206—Horizontal offset of work 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
    • B21B31/16—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 rolling device with an adjusting device, in particular for adjusting a horizontal offset of a roller of the rolling device, in particular according to the preamble of claim 1.
  • Rolling or rolling mills are well known in the art.
  • rolling mills are known in which a horizontal offset of a work roll is made relative to the adjacent support rollers as horizontal stabilization. This is particularly necessary if you want to run different stitch programs with the rolling device.
  • adjusting transmission elements for adjustment hydraulic cylinder and wedge adjustments by means of a movable wedge. Adjustments with wedges have become known for example from DE 17 770 54 A.
  • EP 0 154 896 B1 discloses both hydraulic cylinders and mechanical adjusting gears.
  • the devices lose the set position on the one hand, ie that the set position is adjusted in the course of operation.
  • This is disadvantageous in the case of adjusting devices with built-in gears, because a self-locking of the gear or a brake is not present, and thus a shift of the position occurs under load.
  • the sensor or ber used for monitoring loses its absolute position.
  • gears with gears that relatively large space areas are provided in the roller stands for the transmission, so that the devices therefore very large and heavy.
  • the object is achieved by a rolling device, in particular with a stand with stand post, wherein at least one roller of the rolling stand is arranged in the space between the uprights and at least one adjusting device for the adjustment of the roller is provided, wherein the at least one adjustment between the Roller and the stator post is arranged and comprises a pressure medium actuator.
  • a pressure medium actuator comprises a hydraulic actuator with piston / cylinder unit.
  • the pressure medium actuator can also be operated pneumatically or with another pressure medium.
  • the piston / cylinder unit has a piston which is perpendicular to the roller axis with its direction of movement or is oriented in such a way that its adjustment is perpendicular to the roller axis.
  • the adjusting device has two pressure chambers for pressurizing the piston, wherein in each case a space on the respective opposite sides of the piston are arranged.
  • the position of the piston can be set or controlled safely.
  • a piston rod connected to the piston acts on the roller directly or indirectly in the adjustment direction of the piston.
  • the piston / cylinder unit has a piston which is parallel to the roller axis with its direction of movement or oriented in such a way that its adjustment takes place parallel to the roller axis.
  • the adjusting device has two pressure chambers for pressurizing the piston, wherein a space on the respective opposite sides of the piston are arranged.
  • a piston rod connected to the piston acts on the roller directly or indirectly in the adjustment direction of the roller via a lever arrangement, the piston being moved in the direction parallel to the roller. zenachse is adjusted and the at least one lever of the lever assembly causes the adjustment of the roller perpendicular to the roll axis.
  • the position of the piston can be detected by means of a sensor. It is expedient if the sensor is integrated in the housing of the adjusting device or is connected to this, as in particular is mounted on this from the outside. In this case, the position of the sensor can advantageously not be lost because the sensor can be directly connected to the displaceable element of the piston-cylinder unit or to the elements which can be displaced relative to one another.
  • FIG. 1 is a schematic representation of a rolling device with a working roll with adjusting devices
  • Fig. 2 is an adjusting device in a schematic representation
  • Fig. 3 shows an adjusting device in a schematic representation.
  • FIG. 1 schematically shows a view of a rolling device 1 with a framework 2, such as a rolling stand, with four upright posts 2a, 2b, 2c, 2d, and with a space arranged between the upright posts 2a, 2b, 2c, 2d Work roll 3, which is stored stored in roller bearings or work roll bending blocks 4. Adjusting devices 5 are provided between the uprights 2 a, 2 b, 2 c, 2 d of the framework 2 and the roller bearings or work roll bending blocks or displacement blocks 4 in order to displace the roller or the work roll 3 in the direction 6 perpendicular to the axial direction 7 of the roller.
  • the roller 3 is stored mounted on a chock 8.
  • the adjusting devices 5 thus serve for horizontal adjustment of the roller 3 in a direction perpendicular to the axis of the roller third
  • the adjusting devices 5 are arranged such that they control an adjustment movement in the direction of the arrow 6 perpendicular to the axis 7.
  • the adjusting device 10 is formed by a pressure medium actuator, such as a hydraulic actuator 11, as shown in FIG.
  • a pressure chamber 25 is formed between the component 23 and the component 18.
  • a pressure medium can be admitted or pressurized, so that the two components 23 and 18 are impelled away from each other and move accordingly away from each other or that they move towards each other.
  • a piston 14 is received in a cylinder chamber 15,16, so that two druckstoffbeetzleybare cylinder or chambers 15,16 are formed, wherein the spaces 15 and 16 are each arranged on one side of the piston 14, so that a pressurization of the space 15th the piston 14 is acted upon in the direction of roller and a pressurization of the space 16, the piston 14 is acted upon in the direction away from the roller.
  • a holding device or adjusting device is provided. which is designed as a retaining cylinder and which also serves to retract the elements 20,21 and 23.
  • the space area 15, 16 is formed in a housing 17, which is connected to the stud post 12.
  • the housing 17 is formed in two parts and constructed from the two partial housings 18, 19.
  • the piston is received with its piston body in the housing 17 and protrudes with a piston rod through an opening in the housing part 18, where it is connected to the roller bearing 20.
  • an intermediate element 21 may be provided which allows a guide in the direction perpendicular to the direction of movement of the adjusting device and perpendicular to the roll axis.
  • the cylinder of the space portion 25 is formed by the elements 23, 18 and is received in a recess of the block 17.
  • the housing 17 further comprises a sensor 22 which detects the position of the actuated by the cylinder 25 element 23 directly or indirectly.
  • the sensor 22 has a pin 24 which is supported on the element 21 or with the element 23 connected thereto.
  • Particularly advantageous in this embodiment is the good controllability of the position by the pressurizable spaces or cylinders 25 and / or 15,16, so that the position of the element 23 and / or the piston 14 can be adjusted at any time clearly and thus the position of the roller 13. Furthermore, the embodiment according to Figure 2 is particularly compact, since the hydraulic unit with piston / cylinder unit 25 acts directly on the roller 3.
  • the adjusting device 30 is formed by a pressure medium actuator, such as a hydraulic actuator 31, which acts on the roller 3 via a lever arrangement 32, such as he is shown in Figure 3.
  • a pressure medium actuator such as a hydraulic actuator 31, which acts on the roller 3 via a lever arrangement 32, such as he is shown in Figure 3.
  • the hydraulic actuator 31 is arranged such that the piston 34 is accommodated in a cylinder space 35, 36 and forms two pressure-medium-loadable spaces 35, 36, the spaces 35 and 36 being arranged on one side of the piston 34, respectively so that pressurization of the space 35 moves the piston 34 to the right, and pressurization of the space 36 moves the piston 34 to the left.
  • the space area 35, 36 is formed in a housing 37, which is connected to a housing 38 which receives the lever arrangement 32, which in turn is fastened to the post post 33.
  • the housing 37 is formed in two parts and constructed of the two sub-housings 39,40, where in the part 39 is pot-shaped and the part 40 is formed in the manner of a flange.
  • the flange 40 in this case has an opening through which the piston rod 41 protrudes in order to displace the roller 3 via the lever arrangement 32. In the region of the opening of the flange 40, a seal 42 is further provided.
  • the piston rod 41 is connected to an axially displaceable rod 43, which is formed with a joint 44 to which a lever arm 45 is connected in a hinged manner.
  • the lever arm is articulated via a further joint 46 with the element 21.
  • This part 21 is in turn connected to the roller bearing 20, so that a displacement of the element 21 is transmitted directly to the roller 3.
  • the piston rod 41 Upon a displacement of the piston 34 due to a pressurization of the pressure chambers 35 and / or 36, the piston rod 41 is displaced and adjusted to a predeterminable position. Thereby, the rod, such as push rod, axially displaced and thus the joint 44. Since the roller bearing 20 is formed substantially immovable in the direction of the roll axis, the relative position of the lever arm 45 changes in its angular position by the displacement of the pivot point 44 Axis of the roller or considered to a perpendicular thereto, and thus the distance between the stator 33 and the roller is defined and adjusted. Thus, the roller bearings are substantially immovable in the direction parallel to the roll axis, they are locked with the guides 47, which allow only a movement in the direction perpendicular to the roll axis.
  • a sensor 48 is furthermore provided, which detects the position of the piston by means of a sensor 49.
  • an opening is provided at the head of the housing 39 through which the sensor 49 of the sensor 48 can pass and engage in an opening or bore of the piston.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Press Drives And Press Lines (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Metal Rolling (AREA)
  • Actuator (AREA)
  • Paper (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention relates to a roller device (1) comprising a stand with support posts (2, 12, 33), wherein at least one roller (3, 13) of the roller stand is arranged in the space between the support posts and at least one adjuster device (5, 10, 30) is provided for adjusting the rollers (3), wherein the at least one adjuster device (5, 10, 30) is arranged between the rollers (3, 13) and the support posts (2, 2a, 2b, 2c, 2d, 12, 33) and comprises a pressure medium adjuster body (14, 23, 34).

Description

Walzvorrichtung mit Verstellvorrichtung Rolling device with adjusting device
Beschreibungdescription
Technisches GebietTechnical area
Die Erfindung betrifft eine Walzvorrichtung mit einer Verstellvorrichtung, insbesondere zur Verstellung eines Horizontalversatzes einer Walze der Walzvorrich- tung, insbesondere nach dem Oberbegriff von Anspruch 1.The invention relates to a rolling device with an adjusting device, in particular for adjusting a horizontal offset of a roller of the rolling device, in particular according to the preamble of claim 1.
Stand der TechnikState of the art
Walzvorrichtungen oder auch Walzgerüste sind im Stand der Technik hinlänglich bekannt. Dabei sind Walzgerüste bekannt, bei welchen ein Horizontalversatz einer Arbeitswalze relativ zu den benachbarten Stützwalzen als Horizontalstabilisierung vorgenommen wird. Dies ist insbesondere notwendig, wenn mit der Walzvorrichtung verschiedene Stichprogramme gefahren werden sollen. Dabei sind als Verstellvorrichtungen Getriebeelemente zur Verstellung, Hydraulikzylinder und Keilverstellungen mittels eines verschiebbaren Keils bekannt. Verstellvorrichtungen mit Keilen sind beispielsweise durch die DE 17 770 54 A bekannt geworden. Die EP 0 154 896 B1 offenbart sowohl Hydraulikzylinder als auch mechanische Verstellgetriebe.Rolling or rolling mills are well known in the art. Here, rolling mills are known in which a horizontal offset of a work roll is made relative to the adjacent support rollers as horizontal stabilization. This is particularly necessary if you want to run different stitch programs with the rolling device. Here are known as adjusting transmission elements for adjustment, hydraulic cylinder and wedge adjustments by means of a movable wedge. Adjustments with wedges have become known for example from DE 17 770 54 A. EP 0 154 896 B1 discloses both hydraulic cylinders and mechanical adjusting gears.
Bei den mechanischen Verstellvorrichtungen ist es nachteilig, dass die Vorrichtungen zum Einen die eingestellte Position verlieren, d.h. dass die eingestellte Position sich im Laufe des Betriebs verstellt. Dies erfolgt nachteilig bei Verstell- vorrichtungen mit eingebauten Getrieben, weil eine Selbsthemmung der Getrie- be oder eine Bremse nicht vorliegt und somit bei einer Belastung eine Verschiebung der Position eintritt. Dies bedeutet auch, dass der Sensor oder Ge- ber, der zur Überwachung verwendet wird, seine absolute Position verliert. Darüber hinaus ist es bei Walzvorrichtungen mit Getrieben der Fall, dass für die Getriebe relativ große Raumbereiche in den Walzenständern vorgesehen werden, so dass die Vorrichtungen daher sehr groß und auch schwer ausfallen.In the case of the mechanical adjusting devices, it is disadvantageous that the devices lose the set position on the one hand, ie that the set position is adjusted in the course of operation. This is disadvantageous in the case of adjusting devices with built-in gears, because a self-locking of the gear or a brake is not present, and thus a shift of the position occurs under load. This also means that the sensor or ber used for monitoring loses its absolute position. Moreover, it is the case with gears with gears that relatively large space areas are provided in the roller stands for the transmission, so that the devices therefore very large and heavy.
Weiterhin findet sich zum Anderen der Effekt der mangelnden Reproduzierbarkeit der einzustellenden Position. Auch ist der benötigte Bauraum relativ groß. Dies ist bei Verstellvorrichtungen mit Keilen der Fall. Dabei kann es auch vorkommen, dass die Verstellkeile bei der Inbetriebnahme zu weit herausgezogen werden und somit der Kontakt zu dem zu verschiebenden Bereich verlieren. Auch dadurch verliert der Geber seine Position und eine genaue Positionsregelung kann nicht mehr stattfinden. Typischer Weise sehen die Keile auch weit antriebsseitig und bedienungsseitig aus dem Walzgerüstbereich heraus, so dass dies auch wiederum ungünstig für die Walzenwechseleinrichtung ist und eine größere Verkleidung bedingt. Auch dies ist mit erhöhtem Aufwand verbun- den und daher nachteilig.On the other hand, there is the effect of the lack of reproducibility of the position to be set. Also, the required space is relatively large. This is the case with adjusting devices with wedges. It can also happen that the adjusting wedges are pulled out too far during commissioning and thus lose contact with the area to be moved. This also causes the encoder to lose its position and exact position control can no longer take place. Typically, the wedges also see far drive side and operator side out of the rolling stand area, so that this in turn is unfavorable for the roll changing device and requires a larger fairing. Again, this is associated with increased effort and therefore disadvantageous.
Darstellung der Erfindung, Aufgabe, Lösung, VorteilePresentation of the invention, object, solution, advantages
Es ist die Aufgabe der vorliegenden Erfindung, eine Walzvorrichtung zu schaffen, mittels welcher die Nachteile des Standes der Technik vermindert, wenn nicht gar verhindert werden können.It is the object of the present invention to provide a rolling device by means of which the disadvantages of the prior art can be reduced, if not prevented.
Erfindungsgemäß wird die Aufgabe erreicht, durch eine Walzvorrichtung insbe- sondere mit einem Gerüst mit Ständerpfosten, wobei zumindest eine Walze des Walzgerüsts im Raumbereich zwischen den Ständerpfosten angeordnet ist und zumindest eine Verstellvorrichtung für die Verstellung der Walze vorgesehen ist, wobei die zumindest eine Verstellvorrichtung zwischen der Walze und dem Ständerpfosten angeordnet ist und ein Druckmittelstellorgan umfasst. Vorteilhaft sind an jedem Ende der Walze zwei sich gegenüberliegende Verstellvorrichtungen vorhanden. Dabei ist es besonders vorteilhaft, wenn das Druckmittelstellorgan einen Hydraulikaktuator mit Kolben-/Zylindereinheit umfasst. Das Druckmittelstellorgan kann aber auch pneumatisch oder mit einem anderen Druckmittel betrieben werden.According to the invention, the object is achieved by a rolling device, in particular with a stand with stand post, wherein at least one roller of the rolling stand is arranged in the space between the uprights and at least one adjusting device for the adjustment of the roller is provided, wherein the at least one adjustment between the Roller and the stator post is arranged and comprises a pressure medium actuator. Advantageously, two opposing adjusting devices are provided at each end of the roller. It is particularly advantageous if the pressure medium actuator comprises a hydraulic actuator with piston / cylinder unit. The pressure medium actuator can also be operated pneumatically or with another pressure medium.
Vorteilhaft ist es, wenn die Kolben-/Zylindereinheit einen Kolben aufweist, welcher mit seiner Bewegungsrichtung senkrecht zur Walzenachse steht bzw. derart ausgerichtet ist, so dass seine Verstellung senkrecht zur Walzenachse erfolgt.It is advantageous if the piston / cylinder unit has a piston which is perpendicular to the roller axis with its direction of movement or is oriented in such a way that its adjustment is perpendicular to the roller axis.
Auch ist es vorteilhaft, wenn die Verstellvorrichtung zwei Druckräume aufweist zur Druckbeaufschlagung des Kolbens, wobei jeweils ein Raum auf den jeweils gegenüberliegenden Seiten des Kolbens angeordnet sind. So kann die Position des Kolbens sicher eingestellt oder gesteuert werden.It is also advantageous if the adjusting device has two pressure chambers for pressurizing the piston, wherein in each case a space on the respective opposite sides of the piston are arranged. Thus, the position of the piston can be set or controlled safely.
Weiterhin ist es zweckmäßig, wenn eine mit dem Kolben verbundene Kolbenstange die Walze direkt oder indirekt in Verstellrichtung des Kolbens beaufschlagt.Furthermore, it is expedient if a piston rod connected to the piston acts on the roller directly or indirectly in the adjustment direction of the piston.
Auch ist es bei einem weiteren Ausführungsbeispiel vorteilhaft, wenn die KoI- ben-/Zylindereinheit einen Kolben aufweist, welcher mit seiner Bewegungsrichtung parallel zur Walzenachse steht bzw. derart ausgerichtet ist, so dass seine Verstellung parallel zur Walzenachse erfolgt.In another exemplary embodiment, it is also advantageous if the piston / cylinder unit has a piston which is parallel to the roller axis with its direction of movement or oriented in such a way that its adjustment takes place parallel to the roller axis.
Dabei ist es vorteilhaft, wenn die Verstellvorrichtung zwei Druckräume aufweist zur Druckbeaufschlagung des Kolbens, wobei ein Raum auf den jeweils gegenüberliegenden Seiten des Kolbens angeordnet sind.It is advantageous if the adjusting device has two pressure chambers for pressurizing the piston, wherein a space on the respective opposite sides of the piston are arranged.
Weiterhin ist es zweckmäßig, wenn eine mit dem Kolben verbundene Kolben- Stange über eine Hebelanordnung die Walze direkt oder indirekt in Verstellrichtung der Walze beaufschlagt, wobei der Kolben in Richtung parallel zur Wal- zenachse verstellt wird und der zumindest eine Hebel der Hebelanordnung die Verstellung der Walze senkrecht zur Walzenachse bewirkt.Furthermore, it is expedient if a piston rod connected to the piston acts on the roller directly or indirectly in the adjustment direction of the roller via a lever arrangement, the piston being moved in the direction parallel to the roller. zenachse is adjusted and the at least one lever of the lever assembly causes the adjustment of the roller perpendicular to the roll axis.
Auch ist vorteilhaft, wenn die Position des Kolbens mittels eines Sensors detek- tierbar ist. Dabei ist es zweckmäßig, wenn der Sensor in das Gehäuse der Ver- Stellvorrichtung integriert ist oder mit diesem verbunden ist, wie insbesondere an dieses von außen montiert ist. Dabei kann vorteilhaft die Position des Sensors nicht verloren gehen, weil der Sensor mit dem verschiebbaren Element der Kolben-Zylindereinheit oder mit den relativ zueinander verschiebbaren Elementen direkt verbunden werden kann.It is also advantageous if the position of the piston can be detected by means of a sensor. It is expedient if the sensor is integrated in the housing of the adjusting device or is connected to this, as in particular is mounted on this from the outside. In this case, the position of the sensor can advantageously not be lost because the sensor can be directly connected to the displaceable element of the piston-cylinder unit or to the elements which can be displaced relative to one another.
Vorteilhafte Weiterbildungen sind in den Unteransprüchen beschrieben.Advantageous developments are described in the subclaims.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Nachstehend wird die Erfindung auf der Grundlage eines Ausführungsbeispiels anhand der Zeichnungen näher erläutert. Es zeigen:The invention will be explained in more detail on the basis of an embodiment with reference to the drawings. Show it:
Fig. 1 eine schematische Darstellung einer Walzvorrichtung mit einer Ar- beitswalze mit Verstellvorrichtungen,1 is a schematic representation of a rolling device with a working roll with adjusting devices,
Fig. 2 eine Verstellvorrichtung in schematischer Darstellung, undFig. 2 is an adjusting device in a schematic representation, and
Fig. 3 eine Verstellvorrichtung in schematischer Darstellung.Fig. 3 shows an adjusting device in a schematic representation.
Bevorzugte Ausführung der ErfindungPreferred embodiment of the invention
Die Figur 1 zeigt schematisch eine Ansicht einer Walzvorrichtung 1 mit einem Gerüst 2, wie Walzgerüst, mit vier Ständerpfosten 2a, 2b, 2c, 2d, und mit einer im Raumbereich zwischen den Ständerpfosten 2a, 2b, 2c, 2d angeordneten Arbeitswalze 3, die in Walzenlagern bzw. Arbeitswalzenbiegeblöcken 4 gelagert aufgenommen ist. Zwischen den Ständerposten 2a, 2b, 2c, 2d des Gerüsts 2 und den Walzenlagern bzw. Arbeitswalzenbiegeblöcken bzw. Verschiebeblöcken 4 sind Verstellvorrichtungen 5 vorgesehen, um die Walze oder die Arbeitswalze 3 in Richtung 6 senkrecht zur Achsrichtung 7 der Walze zu verla- gern. Dazu ist die Walze 3 an einem Einbaustück 8 gelagert aufgenommen.FIG. 1 schematically shows a view of a rolling device 1 with a framework 2, such as a rolling stand, with four upright posts 2a, 2b, 2c, 2d, and with a space arranged between the upright posts 2a, 2b, 2c, 2d Work roll 3, which is stored stored in roller bearings or work roll bending blocks 4. Adjusting devices 5 are provided between the uprights 2 a, 2 b, 2 c, 2 d of the framework 2 and the roller bearings or work roll bending blocks or displacement blocks 4 in order to displace the roller or the work roll 3 in the direction 6 perpendicular to the axial direction 7 of the roller. For this purpose, the roller 3 is stored mounted on a chock 8.
Die Verstellvorrichtungen 5 dienen somit zur Horizontalverstellung der Walze 3 in einer Richtung senkrecht zur Achse der Walze 3.The adjusting devices 5 thus serve for horizontal adjustment of the roller 3 in a direction perpendicular to the axis of the roller third
Wie in Figur 1 zu erkennen, sind die Verstellvorrichtungen 5 derart angeordnet, dass sie eine Verstellbewegung in Richtung des Pfeils 6 senkrecht zur Achse 7 ansteuern.As can be seen in Figure 1, the adjusting devices 5 are arranged such that they control an adjustment movement in the direction of the arrow 6 perpendicular to the axis 7.
Gemäß einem Ausführungsbeispiel der Erfindung wird bei einer Walzvorrich- tung die Verstellvorrichtung 10 gebildet durch einen Druckmittelaktuator, wie einen Hydraulikaktuator 11 , wie er in Figur 2 dargestellt ist.According to one embodiment of the invention, in a rolling device, the adjusting device 10 is formed by a pressure medium actuator, such as a hydraulic actuator 11, as shown in FIG.
Zwischen der Walze 13 und dem Ständerpfosten 12 ist der Hydraulikaktuator 11 derart angeordnet, dass ein Druckraum 25 gebildet ist zwischen dem Bauteil 23 und dem Bauteil 18. Dabei kann in den Druckraum 25 ein Druckmittel eingelassen oder unter Druck gesetzt werden, so dass die beiden Bauteile 23 und 18 voneinander weg beaufschlagt werden und sich entsprechend voneinander weg verlagern oder dass sie sich aufeinander zu bewegen.Between the roller 13 and the stator post 12 of the hydraulic actuator 11 is arranged such that a pressure chamber 25 is formed between the component 23 and the component 18. In the pressure chamber 25, a pressure medium can be admitted or pressurized, so that the two components 23 and 18 are impelled away from each other and move accordingly away from each other or that they move towards each other.
Darüber hinaus ist ein Kolben 14 in einem Zylinderraum 15,16 aufgenommen, so dass zwei druckmittelbeaufschlagbare Zylinder oder Räume 15,16 gebildet sind, wobei die Räume 15 und 16 jeweils auf einer Seite des Kolbens 14 angeordnet sind, so dass eine Druckbeaufschlagung des Raums 15 den Kolben 14 in Richtung Walze beaufschlagt und eine Druckbeaufschlagung des Raums 16 den Kolben 14 in Richtung von der Walze weg beaufschlagt. Durch die Kolben- Zylindereinheit 14,15,16 wird eine Haltevorrichtung bzw. Einstellvorrichtung ge- schaffen, welche als ein Rückhaltezylinder ausgebildet ist und der auch dazu dient die Elemente 20,21 und 23 zurückzuziehen.In addition, a piston 14 is received in a cylinder chamber 15,16, so that two druckmittelbeaufschlagbare cylinder or chambers 15,16 are formed, wherein the spaces 15 and 16 are each arranged on one side of the piston 14, so that a pressurization of the space 15th the piston 14 is acted upon in the direction of roller and a pressurization of the space 16, the piston 14 is acted upon in the direction away from the roller. By means of the piston-cylinder unit 14, 15, 16, a holding device or adjusting device is provided. which is designed as a retaining cylinder and which also serves to retract the elements 20,21 and 23.
Der Raumbereich 15,16 wird in einem Gehäuse 17 gebildet, welches mit dem Ständerpfosten 12 verbunden ist. Vorteilhaft ist das Gehäuse 17 zweiteilig aus- gebildet und aus den beiden Teilgehäusen 18,19 aufgebaut. Der Kolben ist mit seinem Kolbenkörper in dem Gehäuse 17 aufgenommen und ragt mit einer Kolbenstange durch eine Öffnung im Teilgehäuse 18, wo es mit dem Walzenlager 20 verbunden ist. Vorteilhaft kann noch ein Zwischenelement 21 vorgesehen sein, welches eine Führung in Richtung senkrecht zur Bewegungsrichtung der Verstellvorrichtung und senkrecht zur Walzenachse erlaubt.The space area 15, 16 is formed in a housing 17, which is connected to the stud post 12. Advantageously, the housing 17 is formed in two parts and constructed from the two partial housings 18, 19. The piston is received with its piston body in the housing 17 and protrudes with a piston rod through an opening in the housing part 18, where it is connected to the roller bearing 20. Advantageously, an intermediate element 21 may be provided which allows a guide in the direction perpendicular to the direction of movement of the adjusting device and perpendicular to the roll axis.
Auch der Zylinder des Raumbereichs 25 wird durch die Elemente 23,18 gebildet und ist in einer Ausnehmung des Blocks 17 aufgenommen.Also, the cylinder of the space portion 25 is formed by the elements 23, 18 and is received in a recess of the block 17.
Neben der Anordnung des Zylinders 14 in dem Gehäuse 17 mit den Zylinderräumen 15,16 befindet sich in dem Gehäuse 17 weiterhin ein Sensor 22, welcher die Position des von dem Zylinder 25 betätigten Elements 23 mittelbar oder unmittelbar detektiert. Dabei weist der Sensor 22 einen Stift 24 auf, welcher sich an dem Element 21 oder mit dem damit verbundenen Element 23 ab- stützt.In addition to the arrangement of the cylinder 14 in the housing 17 with the cylinder chambers 15,16 is in the housing 17 further comprises a sensor 22 which detects the position of the actuated by the cylinder 25 element 23 directly or indirectly. In this case, the sensor 22 has a pin 24 which is supported on the element 21 or with the element 23 connected thereto.
Besonders vorteilhaft an dieser Ausführungsform ist die gute Steuerbarkeit der Position durch die druckbeaufschlagbaren Räume oder Zylinder 25 und/oder 15,16, so dass die Position des Elements 23 und/oder des Kolbens 14 jederzeit eindeutig eingestellt werden kann und somit auch die Position der Walze 13. Weiterhin ist die Ausführung gemäß Figur 2 besonders kompakt aufgebaut, da die Hydraulikeinheit mit Kolben-/Zylindereinheit 25 direkt auf die Walze 3 wirkt.Particularly advantageous in this embodiment is the good controllability of the position by the pressurizable spaces or cylinders 25 and / or 15,16, so that the position of the element 23 and / or the piston 14 can be adjusted at any time clearly and thus the position of the roller 13. Furthermore, the embodiment according to Figure 2 is particularly compact, since the hydraulic unit with piston / cylinder unit 25 acts directly on the roller 3.
Gemäß einem weiteren erfindungsgemäßen Ausführungsbeispiel wird die Ver- Stellvorrichtung 30 gebildet durch einen Druckmittelaktuator, wie einen Hydrau- likaktuator 31 , welcher über eine Hebelanordnung 32 auf die Walze 3 wirkt, wie er in Figur 3 dargestellt ist. Zwischen der Walze 3 und dem Ständerpfosten 33 ist der Hydraulikaktuator 31 derart angeordnet, dass der Kolben 34 in einem Zylinderraum 35,36 aufgenommen ist und zwei druckmittelbeaufschlagbare Räume 35,36 bildet, wobei die Räume 35 und 36 jeweils auf einer Seite des Kolbens 34 angeordnet sind, so dass eine Druckbeaufschlagung des Raums 35 den Kolben 34 nach rechts bewegt bzw. beaufschlagt und eine Druckbeaufschlagung des Raums 36 den Kolben 34 nach links bewegt bzw. beaufschlagt.According to a further exemplary embodiment of the invention, the adjusting device 30 is formed by a pressure medium actuator, such as a hydraulic actuator 31, which acts on the roller 3 via a lever arrangement 32, such as he is shown in Figure 3. Between the roller 3 and the stator post 33, the hydraulic actuator 31 is arranged such that the piston 34 is accommodated in a cylinder space 35, 36 and forms two pressure-medium-loadable spaces 35, 36, the spaces 35 and 36 being arranged on one side of the piston 34, respectively so that pressurization of the space 35 moves the piston 34 to the right, and pressurization of the space 36 moves the piston 34 to the left.
Der Raumbereich 35,36 wird in einem Gehäuse 37 gebildet, welches mit einem Gehäuse 38 verbunden ist, welches die Hebelanordnung 32 aufnimmt, was wie- derum am Ständerpfosten 33 befestigt ist. Vorteilhaft ist das Gehäuse 37 zweiteilig ausgebildet und aus den beiden Teilgehäusen 39,40 aufgebaut, wo bei das Teil 39 topfartig ausgebildet ist und das Teil 40 nach Art eines Flansches ausgebildet ist. Der Flansch 40 weist dabei eine Öffnung auf durch welche die Kolbenstange 41 ragt, um über die Hebelanordnung 32 die Walze 3 zu verlagern. Im Bereich der Öffnung des Flansches 40 ist weiterhin eine Abdichtung 42 vorgesehen.The space area 35, 36 is formed in a housing 37, which is connected to a housing 38 which receives the lever arrangement 32, which in turn is fastened to the post post 33. Advantageously, the housing 37 is formed in two parts and constructed of the two sub-housings 39,40, where in the part 39 is pot-shaped and the part 40 is formed in the manner of a flange. The flange 40 in this case has an opening through which the piston rod 41 protrudes in order to displace the roller 3 via the lever arrangement 32. In the region of the opening of the flange 40, a seal 42 is further provided.
Die Kolbenstange 41 ist mit einer axial verschiebbaren Stange 43 verbunden, welche mit einem Gelenk 44 ausgebildet ist, an welchem ein Hebelarm 45 ge- lenkig angebunden ist. Der Hebelarm ist über ein weiteres Gelenk 46 mit dem Element 21 gelenkig verbunden. Dieses Teil 21 ist wiederum mit dem Walzenlager 20 verbunden, so dass eine Verlagerung des Elements 21 unmittelbar auf die Walze 3 übertragen wird.The piston rod 41 is connected to an axially displaceable rod 43, which is formed with a joint 44 to which a lever arm 45 is connected in a hinged manner. The lever arm is articulated via a further joint 46 with the element 21. This part 21 is in turn connected to the roller bearing 20, so that a displacement of the element 21 is transmitted directly to the roller 3.
Bei einer Verlagerung des Kolbens 34 aufgrund einer Druckbeaufschlagung der Druckräume 35 und/oder 36 wird die Kolbenstange 41 verlagert und auf eine vorgebbare Position eingestellt. Dadurch wird die Stange, wie beispielsweise Schubstange, axial verlagert und damit auch das Gelenk 44. Da das Walzenlager 20 in Richtung der Walzenachse im Wesentlichen unverschieblich ausgebildet ist, verändert sich durch die Verlagerung des Gelenkpunkts 44 die relative Lage des Hebelarms 45 in seiner Winkellage zur Achse der Walze oder zu einer Senkrechten dazu betrachtet und somit wird der Abstand zwischen dem Ständer 33 und der Walze definiert und eingestellt. Damit die Walzenlager in Richtung parallel zur Walzenachse im Wesentlichen unverschieblich sind, werden diese mit den Führungen 47 verriegelt, welche nur eine Bewegung in Richtung senkrecht zur Walzenachse erlauben.Upon a displacement of the piston 34 due to a pressurization of the pressure chambers 35 and / or 36, the piston rod 41 is displaced and adjusted to a predeterminable position. Thereby, the rod, such as push rod, axially displaced and thus the joint 44. Since the roller bearing 20 is formed substantially immovable in the direction of the roll axis, the relative position of the lever arm 45 changes in its angular position by the displacement of the pivot point 44 Axis of the roller or considered to a perpendicular thereto, and thus the distance between the stator 33 and the roller is defined and adjusted. Thus, the roller bearings are substantially immovable in the direction parallel to the roll axis, they are locked with the guides 47, which allow only a movement in the direction perpendicular to the roll axis.
Durch die Anordnung des Kolbens und der Schubstange parallel zur Walzenachse ergibt sich eine sehr kompakte Bauform der Verstellvorrichtung.The arrangement of the piston and the push rod parallel to the roll axis results in a very compact design of the adjustment.
Zur Erkennung der Position des Kolbens zur Regelung oder Steuerung der Po- sition der Walze ist weiterhin ein Sensor 48 vorgesehen, welcher mittels eines Fühlers 49 die Lage des Kolbens detektiert. Dazu wird am Kopf des Gehäuses 39 eine Öffnung geschaffen, durch welche der Fühler 49 des Sensors 48 durchgreifen kann und in eine Öffnung oder Bohrung des Kolbens eingreifen kann. To detect the position of the piston for controlling or controlling the position of the roller, a sensor 48 is furthermore provided, which detects the position of the piston by means of a sensor 49. For this purpose, an opening is provided at the head of the housing 39 through which the sensor 49 of the sensor 48 can pass and engage in an opening or bore of the piston.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Walzvorrichtung1 rolling device
2 Gerüst2 scaffolding
2a Ständerpfosten2a stand post
2b Ständerpfosten2b stud post
2c Ständerpfosten2c post
2d Ständerpfosten2d stand post
3 Walze3 roller
4 Walzenlager, Walzenbiegeblock4 roller bearings, roll bending block
5 Verstellvorrichtung5 adjusting device
6 Richtung der Verstellung6 direction of adjustment
7 Achsrichtung, Achse7 axis direction, axis
10 Verstellvorrichtung10 adjusting device
11 Druckmittelaktuator11 pressure medium actuator
12 Ständerpfosten12 post
13 Walze13 roller
14 Kolben14 pistons
15 Zylinderraum, Druckraum15 cylinder space, pressure chamber
16 Zylinderraum, Druckraum16 cylinder space, pressure chamber
17 Gehäuse17 housing
18 Teilgehäuse18 partial housing
19 Teilgehäuse19 partial housing
20 Walzenlager, Walzenbiegeblock20 roller bearings, roll bending block
21 Zwischenelement21 intermediate element
22 Sensor22 sensor
23 Verbundenes Element23 Connected element
24 Stift24 pen
25 Zylinder, Druckraum25 cylinders, pressure chamber
30 Verstellvorrichtung30 adjusting device
31 Hydraulikaktuator 32 Hebelanordnung31 Hydraulic actuator 32 lever arrangement
33 Ständerpfosten33 post
34 Kolben34 pistons
35 Zylinderraum, Druckraum35 cylinder chamber, pressure chamber
36 Zylinderraum, Druckraum 37 Gehäuse36 cylinder chamber, pressure chamber 37 housing
38 Gehäuse38 housing
39 Teilgehäuse39 partial housing
40 Teilgehäuse, Flansch40 partial housing, flange
41 Kolbenstange 42 Abdichtung41 piston rod 42 sealing
43 Stange43 pole
44 Gelenk44 joint
45 Hebelarm45 lever arm
46 Gelenk 47 Führung46 joint 47 guide
48 Sensor48 sensor
49 Fühler 49 sensors

Claims

Patentansprüche claims
1 Walzvorrichtung (1 ) mit einem Gerüst mit Ständerpfosten (2,12,33), wobei zumindest eine Walze (3,13) des Walzgerüsts im Raumbereich zwischen den Ständerpfosten (2a,2b,2c,2d) angeordnet ist und zumindest eine Verstellvorrichtung (5,10,30) für die Verstellung der Walze (3) vorgesehen ist, dadurch gekennzeichnet, dass die zumindest eine Verstellvorrichtung (5,10,30) zwischen der Walze (3,13) und dem Ständerpfosten (2, 2a,2b,2c,2d, 12,33) angeordnet ist und ein Druckmittelstellorgan (25) umfasst.1 rolling device (1) with a framework with upright posts (2, 12, 33), wherein at least one roller (3, 13) of the rolling stand is arranged in the spatial area between the upright posts (2a, 2b, 2c, 2d) and at least one adjusting device ( 5,10,30) is provided for the adjustment of the roller (3), characterized in that the at least one adjusting device (5,10,30) between the roller (3,13) and the stator post (2, 2a, 2b, 2c, 2d, 12, 33) and comprises a pressure medium actuator (25).
2. Walzvorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass Druckmittelstellorgan (25) einen Hydraulikaktuator mit Kolben- /Zylindereinheit (25,23) umfasst.2. rolling device according to claim 1, characterized in that pressure medium actuator (25) comprises a hydraulic actuator with piston / cylinder unit (25,23).
3. Walzenvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Kolben-/Zylindereinheit einen Kolben (23) aufweist, welcher mit seiner Bewegungsrichtung senkrecht zur Walzenachse steht.3. Rolling device according to claim 2, characterized in that the piston / cylinder unit comprises a piston (23) which is perpendicular to the roll axis with its direction of movement.
4. Walzenanordnung nach Anspruch 3, dadurch gekennzeichnet, dass die Verstellvorrichtung einen oder zwei Druckräume (25,15,16) auf- weist zur Druckbeaufschlagung des Kolbens (23,14,34), wobei entweder ein Raum (25) auf einer Seite des Kolbens (23) und/oder jeweils ein Raum (15,16) auf den jeweils gegenüberliegenden Seiten des Kolbens (14) angeordnet sind.4. Roller arrangement according to claim 3, characterized in that the adjusting device has one or two pressure chambers (25,15,16) up to the pressurization of the piston (23,14,34), wherein either a space (25) on one side of the Piston (23) and / or in each case a space (15,16) on the respective opposite sides of the piston (14) are arranged.
5. Walzenanordnung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass eine mit dem Kolben (34) verbundene Kolbenstange (45) die Walze5. Roller arrangement according to claim 3 or 4, characterized a piston rod (45) connected to the piston (34) is the roller
(3) direkt oder indirekt in Verstellrichtung beaufschlagt.(3) applied directly or indirectly in the direction of adjustment.
6. Walzenvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Kolben-/Zylindereinheit einen Kolben (34) aufweist, welcher mit seiner Bewegungsrichtung parallel zur Walzenachse steht.6. Roller device according to claim 2, characterized in that the piston / cylinder unit has a piston (34) which is parallel to the roller axis with its direction of movement.
7. Walzenanordnung nach Anspruch 6, dadurch gekennzeichnet, dass die Verstellvorrichtung zwei Druckräume (35,36) aufweist zur Druckbeaufschlagung des Kolbens (34), wobei jeweils ein Raum auf den jeweils gegenüberliegenden Seiten des Kolbens angeordnet sind.7. Roller assembly according to claim 6, characterized in that the adjusting device has two pressure chambers (35,36) for pressurizing the piston (34), wherein in each case a space on the respective opposite sides of the piston are arranged.
8. Walzenanordnung nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass eine mit dem Kolben (34) verbundene Kolbenstange (41 ) über einen Hebelanordnung die Walze (3) direkt oder indirekt in Verstellrichtung beaufschlagt, wobei der Kolben (34) in Richtung parallel zur Walzenachse verstellt wird und der Hebel die Verstellung der Walze senkrecht zur WaI- zenachse bewirkt.8. A roller assembly according to claim 6 or 7, characterized in that a with the piston (34) connected to the piston rod (41) via a lever arrangement, the roller (3) acted upon directly or indirectly in the adjustment, wherein the piston (34) in the direction parallel to Roller axis is adjusted and the lever causes the adjustment of the roller perpendicular to Waiz- zenachse.
9. Walzenvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Position des Kolbens (14,23,34) mittels eines Sensors detektier- bar ist.9. Rolling device according to one of the preceding claims, characterized in that the position of the piston (14,23,34) can be detected by means of a sensor bar.
10. Walzenvorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass der Sensor in das Gehäuse der Verstellvorrichtung integriert ist oder mit diesem verbunden ist. 10. Roller device according to claim 9, characterized in that the sensor is integrated in the housing of the adjusting device or is connected thereto.
EP09777080.4A 2008-07-10 2009-07-09 Roller device with adjuster device Active EP2310151B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008032522A DE102008032522A1 (en) 2008-07-10 2008-07-10 Rolling device with adjusting device
PCT/EP2009/004995 WO2010003676A2 (en) 2008-07-10 2009-07-09 Roller device with adjuster device

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EP2310151A2 true EP2310151A2 (en) 2011-04-20
EP2310151B1 EP2310151B1 (en) 2013-06-05

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EP (1) EP2310151B1 (en)
JP (1) JP5345212B2 (en)
KR (1) KR101203397B1 (en)
CN (1) CN102089090A (en)
BR (1) BRPI0915544A2 (en)
CA (1) CA2729842A1 (en)
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KR102493383B1 (en) * 2022-08-09 2023-01-30 한국철강 주식회사 Regulator for rolling stand choc gap

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WO2010003676A2 (en) 2010-01-14
DE102008032522A1 (en) 2010-01-14
EP2310151B1 (en) 2013-06-05
WO2010003676A3 (en) 2010-03-04
BRPI0915544A2 (en) 2016-07-26
KR101203397B1 (en) 2012-11-21
JP5345212B2 (en) 2013-11-20
US20110219835A1 (en) 2011-09-15
JP2011527240A (en) 2011-10-27
CN102089090A (en) 2011-06-08
RU2457053C1 (en) 2012-07-27
CA2729842A1 (en) 2010-01-14
KR20110015678A (en) 2011-02-16

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