EP3370890A1 - Dispositif de réglage d'un cylindre de refoulement d'une cage refouleuse - Google Patents

Dispositif de réglage d'un cylindre de refoulement d'une cage refouleuse

Info

Publication number
EP3370890A1
EP3370890A1 EP16787405.6A EP16787405A EP3370890A1 EP 3370890 A1 EP3370890 A1 EP 3370890A1 EP 16787405 A EP16787405 A EP 16787405A EP 3370890 A1 EP3370890 A1 EP 3370890A1
Authority
EP
European Patent Office
Prior art keywords
adjusting cylinder
cylinder
balancierzylinder
additional element
balancing
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
EP16787405.6A
Other languages
German (de)
English (en)
Other versions
EP3370890B1 (fr
Inventor
Stefan Wendt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Group GmbH
Original Assignee
SMS Group 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 SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP3370890A1 publication Critical patent/EP3370890A1/fr
Application granted granted Critical
Publication of EP3370890B1 publication Critical patent/EP3370890B1/fr
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
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/203—Balancing rolls
    • 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
    • B21B2203/18—Rolls or rollers
    • 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

Definitions

  • the invention relates to a device for adjusting a compression roll of a
  • the upsetting roll can be set from the side or pressed laterally against the rolling stock.
  • edger stands are known for example from EP 2 265 395 B1, EP 2 41 1 165 B1 or JP 01075101 A, which have one or two jobs per side.
  • edger stands comprise for storage of the compression roll a massive cassette, which takes up a large space and allows in rolling operation still play against roller and employment.
  • a edger for the production of a compression roller is known according to EP 166 981 B1 a edger, in which a reduction of a game between the components of the edger is achieved in that a piston-cylinder unit a cassette in which the compression roller is stored stored, in the direction of Walzgutes expresses, with so-called Balancierzylinder pull the cassette in the opposite direction.
  • joints between the components of this edger are set virtually free of play, resulting in a higher precision for the employment of the compression roll results in the rolling stock.
  • the edger frame according to EP 166 981 B1 is subject to the disadvantage that a piston of the piston-cylinder unit, which presses the cassette and the compression roller mounted therein in the direction of the rolling stock, of the hinged thereto
  • Balancierzylindern is spaced. In the event that the forces of both the piston-cylinder aggregate and the Balancierzylindern not accurate
  • the invention has for its object to provide a device for hiring a compression roller of a compression frame, in which by simple means a precise translational guidance of the compression roller is guaranteed without the risk of tilting or the like.
  • a device according to the present invention is used for hiring a
  • Stuffer roll of a Stauchgerüsts includes a Staucherconcentrr on which at least one Balancierzylinder is attached, and a Balanciertraverse with a Staucherconcentrr the opposite drive side and the drive side opposite working side, wherein on the balancing traverse on the working side a bearing means for the compression roller can be attached to and the drive side is provided at least one linkage through which the
  • Balancierzylinder is in operative connection with the balance beam.
  • the device further comprises at least one adjusting cylinder, which is mounted on the Staucherschreibr and with the bearing device in the direction of a rolling stock in
  • Operative connection can be brought to make the compression roll against the rolling stock, wherein the pressure force generated by the adjusting cylinder acts on the bearing means along an axis of action, which either the at least one linkage, by which the Balancierzylinder is operatively connected to the Balanciertraverse, cuts or immediately adjacent to this articulation runs.
  • the invention is based on the essential finding that an upsetting roller can be pressed against a rolling stock when the at least one adjusting cylinder is actuated, wherein the bearing device in which the compression roller is received in a supported manner, by means of the at least one balancing cylinder in the
  • two Balancierzylinder may be attached to the Staucher conspiracyr, in which case the adjusting cylinder is arranged between the Balancierzylindern.
  • Actuators of the respective Balancierzylinder are hinged to the drive side of the balance beam, wherein between the Staucher conspiracyr and Balanciertraverse an additional element is arranged, with which an actuator of the adjusting cylinder can be brought into operative connection.
  • the additional element has opposite to the drive side of the balancing crosshead two elongated pressure pins which define with their longitudinal axis the effective axis along which the pressure force is exerted on the bearing device.
  • the pressure bolts pass through the balancing crosshead, so that the
  • Compressive force of the adjusting cylinder is branched onto the two pressure bolts and can be transmitted to the working side of the balancing truss on the storage device for the compression roller.
  • the free end faces on the working side of the balancing truss can come into contact with the bearing device.
  • a pressure pin by which a compressive force is applied to the bearing device or the compression roller mounted thereon, it is to be understood that such a pressure pin may have a suitable cross-section, e.g. circular, square, rectangular, triangular or polygonal. For example, one is
  • Pressure pin formed in a circular cross section in the form of a cylinder.
  • the cross section of the pressure bolt is chosen such that on the one hand sufficient stability against kinking is ensured, and on the other hand - if necessary - a guide of the pressure bolt by a plain bearing is possible.
  • Balancing crosshead i. in a direction away from the rolling stock, is ensured by an actuation of the at least one Balancierzylinders whose
  • Actuator is articulated on the drive side of the balance beam.
  • the contact point between the actuator of the adjusting cylinder and the additional element may be formed curved.
  • this contact point may be formed such that in this case forms a point contact or a surface contact.
  • Adjustment cylinder be connected by a cylinder head with the additional element, so that lateral forces that can act on the pressure pin and / or the additional element, in particular during the piercing thrust transverse to the axis of action, reduced or not transferred to the pitch cylinder.
  • Such a configuration of the adjusting cylinder with a cylinder head can advantageously prevent damage to the costly adjusting cylinder, in particular during the puncture impact.
  • Cylinder head is not necessarily cylindrical perform, but essentially has the property of any transverse forces acting transversely to the axis of action of the adjusting cylinder to keep away from the pitch cylinder.
  • Adjustment cylinder to be hingedly connected to the additional element. This articulated connection ensures that the pressure force generated by the adjusting cylinder always only extends along the pressure bolts attached to the additional element the action axis acts, even if the actuator of the adjusting cylinder should not be aligned exactly parallel to the axis of action.
  • two An einszylinder may be attached to the Staucher conspiracyr, between the Anstellzylindern a Balancierzylinder is mounted.
  • the adjusting cylinders are connected to elongated pressure pins which define with their longitudinal axis the axis of action along which the pressure force is exerted on the bearing device for the compression roller.
  • the pressure bolts pass through the balancing crosshead, so that the pressure force of the respective adjusting cylinder on the working side of the
  • Balancing truss can be transferred to the storage facility for the compression roller. Between the Staucherconcentrr and the balance crossbar is a
  • Additional element arranged, with which an actuator of the Balancierzylinders is connected, wherein the additional element is connected to the drive side of the balancer by two linkages.
  • Acting storage device at best no tilting moment is generated and thereby tilting or the like is avoided.
  • the balancing cylinder and the adjusting cylinder need not necessarily be formed in a cylindrical shape, but rather as a respective actuator with which a suitable compressive force or tensile force can be generated.
  • the balancing cylinder or the adjusting cylinder can be driven hydraulically or electrically.
  • an actuation in one direction can be provided, namely in the direction of a rolling stock, in order to press the compression roller against the rolling stock.
  • An actuation of the adjusting cylinder in the opposite direction is not required because when exerting a tensile force by the Balancierzylinder and a corresponding movement of the Balanciertraverse the
  • Adjustment cylinder is automatically reset by a contact of the bearing device with the free end face of the pressure bolt.
  • a contact surface may be formed on the bearing device for the compression roller, with the end face of a
  • This contact surface may preferably be suitably hardened, so that premature wear of this contact surface as a result of frequent contact with the end face of the pressure bolt is avoided.
  • the contact point between the end face of a pressure bolt and the contact surface of the bearing means may be curved, for example, such that at this contact point
  • the curved formation of the said contact point can be achieved in that the end face of a pressure pin and / or the associated contact surface on the bearing device are each formed convex.
  • each may be curved.
  • a body has a convex surface, wherein the respective other body has a concave surface.
  • the present invention features a “slim” and modular
  • the device according to the present invention can be known in all known
  • Bechtgerüsttypen be used, regardless of the drive system (above or below hut floor).
  • Upsetting frames e.g. be enlarged even in confined spaces.
  • maintenance and / or replacement of components thereof are substantially simplified.
  • Another advantage for the invention is when at least one displacement sensor is provided in order to be able to obtain a conclusion about the current position of the compression roller.
  • the position transducer is in signal communication with an evaluation device, by means of which then the current position of the compression roller can be determined.
  • a control device may be provided which is in signal communication with the evaluation device. Accordingly, a measurement signal of the displacement transducer can be processed in the control device.
  • Starting cylinder can be controlled in response to a measurement signal of the transducer.
  • control of Balancierzylinders and / or adjusting cylinder can also be controlled, with the
  • Control device for the Balancierzylinder and the adjusting cylinder is equipped with a control circuit.
  • the respective current positions of the actuators of Balancierzylinders and the adjusting cylinder can be monitored by displacement transducer.
  • displacement sensors are arranged adjacent to the balancing cylinder and the adjusting cylinder.
  • Balancing cylinder or the adjusting cylinder are determined by the evaluation. In this context, it is of further advantage if the actuation of the balancing cylinder and / or the adjusting cylinder in
  • the control of the Balancierzylinders and / or the adjusting cylinder can also be controlled, namely by the control device, which includes a control circuit for this purpose.
  • Fig. 1 is a simplified side cross-sectional view of an inventive
  • Fig. 2 is a simplified side cross-sectional view of an inventive
  • Fig. 3 is a simplified side cross-sectional view of an inventive
  • Fig. 4 is a simplified side cross-sectional view of an inventive
  • Fig. 1 shows a simplified side cross-sectional view of the device 1, comprising a compression roller 10 and a Staucherformatr 12, in which two
  • Balancierzylinder 14 are mounted. Between the compression roller 10 and the compression roller 10 and the compression roller 10 and the compression roller 10 are mounted.
  • Stuffer stand 12 is a balancing crossbar 16 is arranged, which has a drive side 18 and a working side 19.
  • a bearing device 20 is preferably secured in a form-fitting manner, wherein the
  • Bearing means 20 an upper compression roll chock 21 and a lower
  • Compression roll chock 22 includes.
  • the compression roll 10 is received between these compression roll chocks 21, 22 stored.
  • a translational and preferably horizontal displacement of the compression roller 10 is characterized
  • the Balancierzylinder 14 each comprise actuators 15, which are connected by a linkage 24 with the drive side 18 of the balance crosshead 16.
  • the actuator 27 cooperates with an additional element 30.
  • the additional element 30 has opposite to the drive side 18 of the balance beam 16, two pressure bolts 32 which extend through through holes 34 formed in the balance beam 16 in the direction of the bearing means 20 and the compression roll chocks 21, 22, respectively.
  • a front free end of the actuator 27 of the adjusting cylinder 26 may be connected via a cylinder head 36 with the additional element 30.
  • Half section of a device according to the invention represents, as evidenced by the vertical line of symmetry on the right edge of the picture.
  • the invention now works as follows:
  • the pressure pins 32 define with their longitudinal axis in each case an active axis 28, along which the pressure force generated by the adjusting cylinder 26 is transmitted to the bearing device 20 and thus to the compression roller 10 received therein. While the adjusting cylinder 26 as just explained exerts a compressive force in the direction of the bearing device 20, a tensile force is exerted on the balance crosshead 16 by the balancing cylinder 14.
  • Adjusting cylinder 26 generated compressive force and the tensile force generated by the Balancierzylindern 14 are provided without clearance clearance of the device 1, resulting in a high-precision translational displacement of the compression roller 10 in the direction of a (not shown) rolling results.
  • Balancing cylinder 14 generated tensile force.
  • Balancierzylinder 14 on the one hand and the adjusting cylinder 26 on the other hand should not cancel or are in equilibrium, on the balancing cross member 16 and the attached bearing means 20 no tilting moment, whereby a precise hiring the compression roller 10 is guaranteed. It may be pointed out again that a hiring of the compression roller 10 to a (not shown) to be rolled exclusively by an actuation of the
  • Through holes 34 in the balance beam 16 extend in the direction of the bearing device 20, press against the compression roller chocks 21, 22. At the same time a tensile force is exerted by the Balancierzylindern 14, over the
  • Linkages 24 acts on the balancing cross member 16 in order to bring about a freedom of play between the components of the device 1 as a result.
  • the adjusting cylinder 26 may be formed so that its actuator 27 only exerts a force in one direction, namely in the plane of Fig. 1 from left to right. Re-dividing the pitching cylinder 26 in the opposite direction, i. in the
  • Drawing plane of Fig. 1 from right to left can then be done automatically when the pitching cylinder 26 is made powerless and continues to be exercised by the Balancierzylindern 14, a tensile force on the balancing cross 16.
  • FIG. 2 shows a further embodiment of the device 1 according to the invention.
  • slide bearings 38 are received in the through holes 34 in order to guide the pressure pins 32 translationally in their horizontal displacement.
  • the remaining parts of the embodiment of FIG. 2 correspond to those of FIG. 1, so that to avoid
  • Fig. 3 shows a simplified side cross-sectional view of another
  • the guide pins 40 and the pressure pins 32 are integrally formed.
  • Fig. 4 shows a simplified side cross-sectional view of another
  • Embodiment of the device 1 according to the invention a combination of the Embodiments of Fig. 2 and 3 corresponds. This means that at the
  • both the pressure pin 32 and the guide pin 40 are each guided in slide bearings 34 and 42 longitudinally displaceable, said slide bearing in the balance crosshead 16 and the Staucherschreibr 12th
  • the plain bearings 34 and 42 may be formed as guide bushes. Alternatively, it is also possible to form such bearings as flat guides or in the form of a crowned design. In any case, the plain bearings are adapted to a respective cross-sectional shape of a pressure or guide pin 32, 40.
  • the guide pins 40 may be suitably formed in their cross-section, e.g. circular, square, rectangular, triangular or polygonal. In particular, in the case that the guide pins 40 and the pressure pins 32 are integrally formed, it is expedient that their cross-sectional shape is identical.
  • Upset roller 10 is optimized against a rolling stock.
  • the balancing cylinders 14 may be designed so that they can have a much larger travel path in the direction of the center of a rolling train compared to the adjusting cylinder 26.
  • the storage device 20 and thus the compression roller 10 proceed to the middle of a rolling mill, for example, for the purpose of maintenance or replacement of the compression roller 10.
  • Bearing device 20 in the direction of the center of a rolling train is the
  • Balancierzylinder 14 and the adjusting cylinder 26 can each be identical.
  • Displacement sensor 44 may be provided, with which a respective current position of the actuator 15 of the corresponding Balancierzylinder 14 and the actuator 27 of the adjusting cylinder can be determined, and in the same way then a conclusion to the current position of the bearing device 20 and the compression roller 10 mounted thereon is possible.
  • the displacement sensors 44 are signal-technically connected to an evaluation device (not shown).
  • displacement sensor 46 adjacent to the bearing device 20 for the compression roller, wherein this displacement sensor 46 is also connected to a signaling device (not shown).
  • the displacement sensors 44, 46 are symbolically greatly simplified only for the embodiment of FIG. 1, and can also be provided in the same way for the embodiments of FIGS. 2-4.
  • Adjustment cylinder 26 and a displacement sensor 46 are provided for the bearing device 20, these displacement sensor 44, 46 can be connected by signal technology with a common evaluation device.
  • An actuation of the balancing cylinder 14 and the adjusting cylinder 26 can be effected by a control device (not shown).
  • the control device can be technically connected to the evaluation device so that the actuation of the balancing cylinder 14 and / or the adjusting cylinder 26 takes place as a function of a measuring signal of at least one displacement transducer.
  • the Balancierzylinder 14 and / or the adjusting cylinder 26 are driven depending on the current position of their actuators 15, 27 and of the current position of the compression roller 10 in the rolling mill, possibly also taking into account assigned target positions.
  • the actuation of the Balancierzylinder 14 and the adjusting cylinder 26 by the control device can suitably be carried out in a controlled manner, for which purpose the control device is equipped with a corresponding control circuit.
  • Control device can also be integrated into a common control unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Rolling Contact Bearings (AREA)
  • Metal Rolling (AREA)

Abstract

L'invention concerne un dispositif (1) de réglage d'un cylindre de refoulement (10) d'une cage refouleuse, comportant un support de refouleur (12) sur lequel est monté au moins un balancier (14), une traverse de balancier (16) comprenant un côté d'entraînement (18) en regard du support de refouleur (12) et un côté de travail (19) opposé au côté d'entraînement (18), un dispositif palier (20) pour le cylindre de refoulement (10) pouvant être fixé en particulier par complémentarité de formes à la traverse de balancier (16) sur son côté de travail (19) et au moins un accouplement (24) étant prévu sur son côté d'entraînement (18), accouplement au moyen duquel le balancier (14) est en liaison fonctionnelle avec la traverse de balancier (16), et au moins un cylindre de réglage (26) qui est monté sur le support de refouleur (12) et peut être amené en liaison fonctionnelle avec le dispositif palier (20) en direction d'un produit à laminer, afin de serrer le cylindre de refoulement (10) contre le produit à laminer, la force de compression générée par le cylindre de réglage (26) agissant sur le dispositif palier (20) le long d'un axe d'action (28) qui soit croise ledit au moins un accouplement (24) au moyen duquel le balancier (14) est relié fonctionnellement à la traverse de balancier (16) soit s'étend de manière directement adjacente à cet accouplement (24).
EP16787405.6A 2015-11-05 2016-10-24 Dispositif de réglage d'un cylindre de refoulement d'une cage refouleuse Active EP3370890B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015221762.0A DE102015221762A1 (de) 2015-11-05 2015-11-05 Vorrichtung zum Anstellen einer Stauchwalze eines Stauchgerüsts
PCT/EP2016/075482 WO2017076670A1 (fr) 2015-11-05 2016-10-24 Dispositif de réglage d'un cylindre de refoulement d'une cage refouleuse

Publications (2)

Publication Number Publication Date
EP3370890A1 true EP3370890A1 (fr) 2018-09-12
EP3370890B1 EP3370890B1 (fr) 2020-03-11

Family

ID=57206253

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16787405.6A Active EP3370890B1 (fr) 2015-11-05 2016-10-24 Dispositif de réglage d'un cylindre de refoulement d'une cage refouleuse

Country Status (8)

Country Link
US (1) US10835941B2 (fr)
EP (1) EP3370890B1 (fr)
JP (1) JP6644142B2 (fr)
KR (1) KR102183483B1 (fr)
CN (1) CN108348968B (fr)
DE (1) DE102015221762A1 (fr)
RU (1) RU2690620C1 (fr)
WO (1) WO2017076670A1 (fr)

Families Citing this family (3)

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KR102572957B1 (ko) 2018-05-29 2023-09-01 에이치엘만도 주식회사 스티어 바이 와이어 시스템의 조향 제어 장치 및 방법
DE102020206297A1 (de) * 2019-09-19 2021-03-25 Sms Group Gmbh Zwischengerüstführung an einem Vertikalwalzgerüst einer Walzstraße sowie Verfahren zur Führung des Walzgutes unter Verwendung der Zwischengerüstführung
DE102020213243A1 (de) * 2020-02-06 2021-08-12 Sms Group Gmbh Verfahren und Kalibrierung von Vertikalrollen eines Vertikalwalzgerüsts sowie Kalibrieranordnung zur Durchführung des Verfahrens

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Also Published As

Publication number Publication date
CN108348968B (zh) 2020-01-14
KR102183483B1 (ko) 2020-11-26
CN108348968A (zh) 2018-07-31
JP6644142B2 (ja) 2020-02-12
RU2690620C1 (ru) 2019-06-04
WO2017076670A1 (fr) 2017-05-11
US20180326466A1 (en) 2018-11-15
DE102015221762A1 (de) 2017-05-11
EP3370890B1 (fr) 2020-03-11
KR20180061343A (ko) 2018-06-07
US10835941B2 (en) 2020-11-17
JP2018531800A (ja) 2018-11-01

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