EP1142653A2 - Roll cooling and/or lubricating device for cold strip rolling mills, in particular fine strip and foil rolling mills - Google Patents

Roll cooling and/or lubricating device for cold strip rolling mills, in particular fine strip and foil rolling mills Download PDF

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Publication number
EP1142653A2
EP1142653A2 EP01107353A EP01107353A EP1142653A2 EP 1142653 A2 EP1142653 A2 EP 1142653A2 EP 01107353 A EP01107353 A EP 01107353A EP 01107353 A EP01107353 A EP 01107353A EP 1142653 A2 EP1142653 A2 EP 1142653A2
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EP
European Patent Office
Prior art keywords
nozzle bars
roll
strip
nozzle
longitudinal axis
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
EP01107353A
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German (de)
French (fr)
Other versions
EP1142653B1 (en
EP1142653A3 (en
Inventor
Axel Barten Dipl.-Ing. Eth
Martin Dr. Falk
Heinz Ing. Loecker
Kurt Scheffe
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Achenbach Buschhetten GmbH and Co KG
Original Assignee
Achenbach Buschhetten GmbH and Co KG
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Application filed by Achenbach Buschhetten GmbH and Co KG filed Critical Achenbach Buschhetten GmbH and Co KG
Publication of EP1142653A2 publication Critical patent/EP1142653A2/en
Publication of EP1142653A3 publication Critical patent/EP1142653A3/en
Application granted granted Critical
Publication of EP1142653B1 publication Critical patent/EP1142653B1/en
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • B21B37/32—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/40—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling foils which present special problems, e.g. because of thinness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0233—Spray nozzles, Nozzle headers; Spray systems

Definitions

  • the invention relates to a roller cooling and / or Lubrication device for cold strip rolling mills, especially fine strip and film rolling mills, assigned to the individual rolls the side plates of the roller stands of one or more Rolling stands attached to the nozzle bars into which the width of the Roller spray nozzles built in and relative to them assigned rollers independently of one another transversely to the direction of travel of the rolled strip can be adjusted in planes parallel to the strip plane are used to regulate the belt tension over the bandwidth a change in the effective roll bale diameter and / or influencing the roller lubrication with a pressure and / or quantity and / or temperature controlled supply of Rolling oil or emulsions.
  • the flatness control of the rolled strip at one Cold strip rolling mill which with a from DE 34 19 261 C3 known roller cooling and / or lubricating device generic type is based on a change of the spray pattern on the surface of the work rolls sprayed rolling oil or sprayed emulsions.
  • the spray pattern is changed by adjusting each Work roll of the rolling mill associated nozzle bar relative to Work roll independent of the other nozzle bar across Belt running direction in a plane parallel to the belt plane and a pressure and / or quantity and / or temperature controlled Supply of rolling oil or emulsions causes.
  • Fine and foil tape on a known one Flatness control equipped quarto or sexto roll stand rolled is characterized by high quality with regard to dimensional and shape accuracy as well as flatness.
  • a disadvantage of roller cooling and / or lubricating devices The generic type for cold strip rolling mills is the insufficient one Accessibility of the nozzle bars with the spray nozzles and the associated control valves, so that repair and Maintenance work on the nozzle bars cumbersome and are time consuming.
  • the invention has for its object the regulation of Strip flatness in cold strip rolling mills using the generic type Roll cooling and / or lubricating device to optimize unwanted strip tension deviations in zones leveled rolled strip, and the accessibility of the in the Nozzle bar of the roller cooling and / or lubricating device built-in spray nozzles and their associated control valves in the With a view to simplification and acceleration of to improve necessary repair and maintenance work.
  • the spray angle of the spray nozzles of the nozzle bars with reference on the rolls, which in the roll cooling and / or lubrication device by pivoting the nozzle bar the longitudinal axis of the bar is adjustable, represents another Command value in addition to the adjustability of the nozzle bar relative to the respective assigned roller across Direction of tape travel as well as the change in quantity, pressure and the temperature of the rolling oil sprayed onto the rolls or the sprayed emulsions to change the spray pattern on the Roll surface in the context of a strip flatness control
  • Spray angle of the spray nozzles as an additional manipulated variable enables optimization of the strip flatness control.
  • the four-high rolling mill stand 1 according to FIG. 1 is not by two roller stand shown formed in which in not shown chocks a lower and an upper Work roll 2, 3 and a lower and an upper backup roll 4, 5 are rotatably mounted.
  • Roll cooling and / or lubrication device for the work rolls 2, 3 and the support rollers 4, 5 each consist of a nozzle bar 7, 8 for the work rolls 2, 3 and a nozzle bar 9, 10 for each the support rollers 4, 5.
  • nozzle bars 7-10 are across the width of the rollers Spray nozzles 11 with upstream, as solenoid valves trained control valves 12 for applying cooling oil and / or emulsions installed on the rollers 2-5.
  • the the Backing rolls 3, 4 assigned to the nozzle bars 9, 10 are stationary, while the nozzle bars 7, 8 assigned to the work rolls 2, 3 in the direction of arrow b, c in the direction of its longitudinal axis 13-13 transversely to the tape running direction a over the bandwidth and around their longitudinal axis 13-13 are pivotable.
  • the respective supply of rolling oil and / or emulsions the adjustable nozzle bar 7, 8 and the stationary Nozzle bar 9, 10 becomes pressure and / or quantity and / or temperature controlled.
  • nozzle bars 7, 8 At the two ends 15, 16 of the work rolls 2, 3 assigned two nozzle bars 7, 8 are adapters 17 rotatable and displaceable mounting of the nozzle bars around and in Direction of the longitudinal axis 13-13 on two hollow journals 18, 19 attached, in side plates 20, 21 on the two Roller stands, not shown, of the four-high rolling mill stand 1 are installed, the supply of the coolant or Emulsions to the spray nozzles installed in the nozzle bars 7, 8 11 and the associated control valves 12 through a feed line 22 in a side plate 20, the cavity 23 of the in Side plate 20 built-in bearing pin 18, the interior 24 of the adapter 17 seated on the journal 18 and the Distribution channel 25 of the nozzle bars 7, 8 takes place.
  • the supply of the coolant to the nozzle bars 7, 8 can also by a feed line 22 in each of the two side plates 20, 21, in these built-in hollow journals 18, 19, the on this seated adapter 17 and the distribution channel 25 of the Nozzle bars are made.
  • the connecting cables for the control valves 12 of the spray nozzles 11 the nozzle bars 7, 8 are in several flexible protective tubes 30 merged, the length of the connecting cable Control valves is dimensioned such that a pivoting of the Nozzle bar 7, 8 around the bar longitudinal axis 13-13 is possible.
  • Temperature sensor 31 for detecting the size of the thermal Roll bales outside the maximum range and in Roll center by measuring the temperature of the roll surface integrated to adjust the roll gap model.
  • Deviating from the above-described embodiment of the new roller cooling and lubrication device Possibility of an additional movability and a Pivotal movement of the nozzle bars 9, 10 for the support rollers 4, 5 in the direction of or around the longitudinal axis of the beam to provide.
  • the nozzle bars 7, 8 can be moved for the work rolls 2, 3 and the nozzle bar 9, 10 for the Back-up rolls 4, 5 together or independently or only a movability of the nozzle bars 7, 8 for the Work rolls 2, 3 from a maintenance position remote from the roll in the working position and from the working position to the Maintenance position should be considered.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Control Of Metal Rolling (AREA)

Abstract

Roller cooling and/or lubricating device has nozzle crosspieces (7, 8) which pivot along its longitudinal axis by means of a drive (29) and move in the direction of the longitudinal axis using an adjusting cylinder (26). Preferred Features: Adapters (17) are arranged at both ends of the crosspieces on bearing pins (18) which are built into the side screens (20) on both roll stands of a rolling mill (1).

Description

Die Erfindung betrifft eine Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke, insbesondere Feinband- und Folienwalzwerke, mit den einzelnen Walzen zugeordneten, an den Seitenschildern der Walzenständern eines oder mehrerer Walzgerüste angebrachten Düsenbalken, in die über die Breite der Walzen Sprühdüsen eingebaut und die relativ zu den ihnen zugeordneten Walzen unabhängig voneinander quer zur Laufrichtung des Walzbandes in zur Bandebene parallelen Ebenen verstellbar sind, zur Regelung der Bandzugspannung über die Bandbreite durch eine Änderung des wirksamen Walzenballendurchmessers und/oder eine Beeinflussung der Walzenschmierung mit einer druck- und/oder mengen- und/oder temperaturgeregelten Zuführung von Walzöl oder Emulsionen.The invention relates to a roller cooling and / or Lubrication device for cold strip rolling mills, especially fine strip and film rolling mills, assigned to the individual rolls the side plates of the roller stands of one or more Rolling stands attached to the nozzle bars into which the width of the Roller spray nozzles built in and relative to them assigned rollers independently of one another transversely to the direction of travel of the rolled strip can be adjusted in planes parallel to the strip plane are used to regulate the belt tension over the bandwidth a change in the effective roll bale diameter and / or influencing the roller lubrication with a pressure and / or quantity and / or temperature controlled supply of Rolling oil or emulsions.

Die Planheitsregelung des Walzbandes bei einem Kaltbandwalzwerk, das mit einer aus der DE 34 19 261 C3 bekannten Walzenkühl- und/oder Schmiervorrichtung der gattungsgemäßen Art ausgerüstet ist, beruht auf einer Änderung des Sprühbildes des auf die Oberfläche der Arbeitswalzen aufgesprühten Walzöls oder von aufgesprühten Emulsionen. Die Änderung des Sprühbildes wird durch eine Verstellung des jeder Arbeitswalze des Walzwerks zugeordneten Düsenbalkens relativ zur Arbeitswalze unabhängig vom jeweils anderen Düsenbalken quer zur Bandlaufrichtung in einer zur Bandebene parallelen Ebene und eine druck- und/oder mengen- und/oder temperaturgeregelte Zuführung von Walzöl oder Emulsionen bewirkt. The flatness control of the rolled strip at one Cold strip rolling mill, which with a from DE 34 19 261 C3 known roller cooling and / or lubricating device generic type is based on a change of the spray pattern on the surface of the work rolls sprayed rolling oil or sprayed emulsions. The The spray pattern is changed by adjusting each Work roll of the rolling mill associated nozzle bar relative to Work roll independent of the other nozzle bar across Belt running direction in a plane parallel to the belt plane and a pressure and / or quantity and / or temperature controlled Supply of rolling oil or emulsions causes.

Fein- und Folienband, das auf einem mit der bekannten Planheitsregelung ausgerüsteten Quarto- oder Sextowalzgerüst gewalzt wird, zeichnet sich durch eine hohe Qualität hinsichtlich Maß- und Formgenauigkeit sowie Planheit aus.Fine and foil tape on a known one Flatness control equipped quarto or sexto roll stand rolled is characterized by high quality with regard to dimensional and shape accuracy as well as flatness.

Nachteilig bei Walzenkühl- und/oder Schmiervorrichtungen der gattungsgemäßen Art für Kaltbandwalzwerke ist die unzureichende Zugängigkeit der Düsenbalken mit den Sprühdüsen und den zugehörigen Steuerventilen, so daß Reparatur- und Wartungsarbeiten an den Düsenbalken umständlich und zeitaufwendig sind.A disadvantage of roller cooling and / or lubricating devices The generic type for cold strip rolling mills is the insufficient one Accessibility of the nozzle bars with the spray nozzles and the associated control valves, so that repair and Maintenance work on the nozzle bars cumbersome and are time consuming.

Die in der DE 94 18 359.7 U1 beschriebene Konstruktion einer Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke mit bandeinlaufseitig an den beiden Walzenständern eines Walzgerüstes angeordneten, in vertikaler Richtung verfahrbaren Hubbalken sowie auf diesen in horizontaler Richtung verfahrbaren Schlitten mit Tragarmen für die Düsenbalken zum Verfahren derselben aus einer walzenfernen Wartungsposition in die Arbeitsposition an die Walzen und aus der Arbeitsposition in die Wartungsposition ist technisch aufwendig.The construction described in DE 94 18 359.7 U1 Roll cooling and / or lubrication device for cold strip rolling mills with one on the roll infeed side on the two roll stands Roll stand arranged, movable in the vertical direction Walking beam and movable on it in the horizontal direction Carriage with support arms for the nozzle bars for moving the same from a maintenance position remote from the roller into the Working position on the rollers and from the working position in the Maintenance position is technically complex.

Der Erfindung liegt die Aufgabe zugrunde, die Regelung der Bandplanheit bei Kaltbandwalzwerken mittels der gattungsgemäßen Walzenkühl- und/oder Schmiervorrichtung zu optimieren, um unerwünschte Bandzugspannungsabweichungen zonenweise im gewalzten Band auszuregeln, und die Zugängigkeit der in die Düsenbalken der Walzenkühl- und/oder Schmiervorrichtung eingebauten Sprühdüsen und deren zugehörigen Steuerventile im Hinblick auf eine Vereinfachung und eine Beschleunigung von notwendigen Reparatur- und Wartungsarbeiten zu verbessern. The invention has for its object the regulation of Strip flatness in cold strip rolling mills using the generic type Roll cooling and / or lubricating device to optimize unwanted strip tension deviations in zones leveled rolled strip, and the accessibility of the in the Nozzle bar of the roller cooling and / or lubricating device built-in spray nozzles and their associated control valves in the With a view to simplification and acceleration of to improve necessary repair and maintenance work.

Diese Aufgabe ist erfindungsgemäß gelöst durch eine Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke mit den Merkmalen des Patentanspruchs 1.This object is achieved by a Roll cooling and / or lubrication device for cold strip rolling mills with the features of claim 1.

Die Unteransprüche beinhalten vorteilhafte und zweckmäßige Weiterbildungen der Erfindung.The sub-claims contain advantageous and expedient Developments of the invention.

Der Ansprühwinkel der Sprühdüsen der Düsenbalken mit Bezug auf die Walzen, der bei der erfindungsgemäßen Walzenkühl- und/oder Schmiervorrichtung durch Schwenken der Düsenbalken um die Balkenlängsachse einstellbar ist, stellt eine weitere Stellgröße zusätzlich zu der Verstellbarkeit der Düsenbalken relativ zu der jeweils zugeordneten Walze quer zur Bandlaufrichtung sowie der Veränderung der Menge, des Drucks und der Temperatur des auf die Walzen aufgesprühten Walzöls oder der aufgesprühten Emulsionen zur Änderung des Sprühbildes auf der Walzenoberfläche im Rahmen einer Bandplanheitsregelung dar. Der Ansprühwinkel der Spühdüsen als zusätzliche Stellgröße ermöglicht eine Optimierung der Bandplanheitsregelung. Durch ein Schwenken der Düsenbalken um 180° können die Sprühdüsen auf einfache Weise aus der walzennahen Betriebsposition in eine walzenabgewandte Wartungsposition zur einfachen und schnellen Durchführung von erforderlichen Wartungs- und Reparaturarbeiten gebracht werden.The spray angle of the spray nozzles of the nozzle bars with reference on the rolls, which in the roll cooling and / or lubrication device by pivoting the nozzle bar the longitudinal axis of the bar is adjustable, represents another Command value in addition to the adjustability of the nozzle bar relative to the respective assigned roller across Direction of tape travel as well as the change in quantity, pressure and the temperature of the rolling oil sprayed onto the rolls or the sprayed emulsions to change the spray pattern on the Roll surface in the context of a strip flatness control Spray angle of the spray nozzles as an additional manipulated variable enables optimization of the strip flatness control. Through a The spray nozzles can swivel the nozzle bar by 180 ° simple way from the operating position close to the roller into one Maintenance position facing away from the roller for simple and quick Carrying out necessary maintenance and repair work to be brought.

Die Erfindung ist nachstehend anhand schematischer Zeichnungen einer bei einem Quartowalzgerüst eingesetzten Walzenkühl- und Schmiervorrichtung erläutert, wobei die Zeichnungsfiguren folgendes darstellen:

Fig. 1
eine perspektivische Darstellung eines Quartowalzgerüstes mit Düsenbalken zum Kühlen und Schmieren der Arbeitswalzen und der Stützwalzen,
Fig. 2
eine Vorderansicht der Düsenbalken nach Fig. 1,
Fig. 3
eine Schnittdarstellung einer Dreh- und Schiebelagerung eines Endes eines in der Betriebsposition befindlichen Düsenbalkens und
Fig. 4
eine Schnittdarstellung einer Dreh- und Schiebelagerung eines Düsenbalkens in der gegenüber der Darstellung in Fig. 3 um 180° gedrehten Wartungsposition.
The invention is explained below with the aid of schematic drawings of a roll cooling and lubrication device used in a four-high rolling stand, the drawing figures representing the following:
Fig. 1
a perspective view of a four-high rolling mill with nozzle bars for cooling and lubricating the work rolls and the backup rolls,
Fig. 2
2 shows a front view of the nozzle bar according to FIG. 1,
Fig. 3
a sectional view of a rotary and sliding bearing of one end of a nozzle bar in the operating position and
Fig. 4
a sectional view of a rotary and sliding bearing of a nozzle bar in the maintenance position rotated by 180 ° compared to the illustration in FIG. 3.

Das Quartowalzgerüst 1 nach Fig. 1 wird durch zwei nicht dargestellte Walzenständer gebildet, in denen in nicht dargestellten Einbaustücken eine untere und eine obere Arbeitswalze 2, 3 sowie eine untere und eine obere Stützwalze 4, 5 drehbar gelagert sind.The four-high rolling mill stand 1 according to FIG. 1 is not by two roller stand shown formed in which in not shown chocks a lower and an upper Work roll 2, 3 and a lower and an upper backup roll 4, 5 are rotatably mounted.

Die für die Planheitsregelung des Walzbandes 6 einsetzbare Walzenkühl- und/oder Schmiervorrichtung für die Arbeitswalzen 2, 3 und die Stützwalzen 4, 5 besteht aus je einem Düsenbalken 7, 8 für die Arbeitswalzen 2, 3 und je einem Düsenbalken 9, 10 für die Stützwalzen 4, 5.Which can be used for the flatness control of the rolled strip 6 Roll cooling and / or lubrication device for the work rolls 2, 3 and the support rollers 4, 5 each consist of a nozzle bar 7, 8 for the work rolls 2, 3 and a nozzle bar 9, 10 for each the support rollers 4, 5.

In die Düsenbalken 7-10 sind über die Breite der Walzen Sprühdüsen 11 mit vorgeschalteten, als Elektromagnetventile ausgebildeten Steuerventilen 12 zum Aufbringen von Kühlöl und/oder Emulsionen auf die Walzen 2-5 eingebaut. Die den Stützwalzen 3, 4 zugeordneten Düsenbalken 9, 10 sind stationär, während die den Arbeitswalzen 2, 3 zugeordneten Düsenbalken 7, 8 in Pfeilrichtung b, c in Richtung ihrer Längsachse 13-13 quer zur Bandlaufrichtung a über die Bandbreite verfahrbar und um ihre Längsachse 13-13 schwenkbar sind. In the nozzle bars 7-10 are across the width of the rollers Spray nozzles 11 with upstream, as solenoid valves trained control valves 12 for applying cooling oil and / or emulsions installed on the rollers 2-5. The the Backing rolls 3, 4 assigned to the nozzle bars 9, 10 are stationary, while the nozzle bars 7, 8 assigned to the work rolls 2, 3 in the direction of arrow b, c in the direction of its longitudinal axis 13-13 transversely to the tape running direction a over the bandwidth and around their longitudinal axis 13-13 are pivotable.

Die jeweilige Zuführung von Walzöl und/oder Emulsionen zu den verstellbaren Düsenbalken 7, 8 und den stationären Düsenbalken 9, 10 wird druck- und/oder mengen- und/oder temperaturgeregelt.The respective supply of rolling oil and / or emulsions the adjustable nozzle bar 7, 8 and the stationary Nozzle bar 9, 10 becomes pressure and / or quantity and / or temperature controlled.

Durch ein Verschieben der Düsenbalken 7, 8 in Richtung der Balkenlängsachse 13-13 quer zur Laufrichtung a des Walzbandes 6 und durch ein Schwenken der Düsenbalken 7, 8 um die Balkenlängsachse 13-13 zum Einstellen des Ansprühwinkels der Sprühdüsen 11 zu den Arbeitswalzen 2, 3 werden die Sprühzonenbreite der Düsen 11 auf den Arbeitswalzen 2, 3 und das Sprühbild der Sprühdüsen 11 eingestellt. Die Regelung von Druck, Temperatur und Menge des den Düsenbalken 7, 8 zugeführten Walzöls beziehungsweise der zugeführten Emulsionen beeinflußt die Kühlung der Arbeitswalzen 2, 3 und damit die Größe und die Schnelligkeit der Änderung des wirksamen Walzenballendurchmessers und des von diesem abhängigen Walzspaltes 14 zwischen den Arbeitswalzen 2, 3 beziehungsweise der Schmierung der Arbeitswalzen.By moving the nozzle bar 7, 8 in the direction of Longitudinal axis 13-13 transverse to the running direction a of the rolled strip 6 and by pivoting the nozzle bars 7, 8 around the Longitudinal axis 13-13 for setting the spraying angle of the Spray nozzles 11 to the work rolls 2, 3 are the Spray zone width of the nozzles 11 on the work rolls 2, 3 and that Spray pattern of the spray nozzles 11 set. The regulation of pressure, Temperature and amount of the nozzle bar 7, 8 supplied Rolled oil or the emulsions supplied the cooling of the work rolls 2, 3 and thus the size and Rapidity of changing the effective Roll bale diameter and the dependent on this Roll gap 14 between the work rolls 2, 3 and the lubrication of the work rolls.

Die durch eine nicht dargestellte Planheitsmeßrolle im Bandauslauf hinter dem Walzensatz gemessenen Werte der Bandzugspannungsverteilung über die Breite des Walzbandes 6 werden in einem Rechner aufgearbeitet und zur Regelung der Kühlung und/oder der Schmierung der Arbeitswalzen 2, 3 mittels der verfahrbaren und schwenkbaren Düsenbalken 7, 8 verwendet.The by a flatness measuring roller, not shown in Belt outlet behind the roller set measured values of Strip tension distribution over the width of the rolled strip 6 are processed in a computer and used to regulate the Cooling and / or lubrication of the work rolls 2, 3 by means of the movable and pivotable nozzle bar 7, 8 used.

Durch eine genaue Positionierung der in Richtung der Balkenlängsachse 13-13 quer zur Bandlaufrichtung a verfahrbaren und um die Balkenlängsachse schwenkbaren Düsenbalken 7, 8 mit den Sprühdüsen 11 können unerwünschte Bandzugspannungsabweichungen zonenweise im gewalzten Band 6 ausgeregelt und dadurch ein planes Bandes erzeugt werden.By accurately positioning the towards the Beam longitudinal axis 13-13 can be moved transversely to the strip running direction a and with the nozzle bar 7, 8 pivotable about the longitudinal axis of the bar the spray nozzles 11 can be undesirable Strip tension deviations in zones in the rolled strip 6 adjusted and thereby a flat band can be generated.

An den beiden Enden 15, 16 der den Arbeitswalzen 2, 3 zugeordneten beiden Düsenbalken 7, 8 sind Adapter 17 zur drehbaren und verschiebbaren Lagerung der Düsenbalken um und in Richtung der Balkenlängsachse 13-13 auf zwei hohlen Lagerzapfen 18, 19 angebracht, die in Seitenschilder 20, 21 an den beiden nicht dargestellten Walzenständern des Quartowalzgerüstes 1 eingebaut sind, wobei die Zuführung des Kühlmittels bzw. der Emulsionen zu den in den Düsenbalken 7, 8 eingebauten Sprühdüsen 11 und den zugehörigen Steuerventilen 12 durch eine Zuleitung 22 in einem Seitenschild 20, den Hohlraum 23 des in das Seitenschild 20 eingebauten Lagerzapfens 18, den Innenraum 24 des auf dem Lagerzapfen 18 sitzenden Adapters 17 und den Verteilerkanal 25 der Düsenbalken 7, 8 erfolgt.At the two ends 15, 16 of the work rolls 2, 3 assigned two nozzle bars 7, 8 are adapters 17 rotatable and displaceable mounting of the nozzle bars around and in Direction of the longitudinal axis 13-13 on two hollow journals 18, 19 attached, in side plates 20, 21 on the two Roller stands, not shown, of the four-high rolling mill stand 1 are installed, the supply of the coolant or Emulsions to the spray nozzles installed in the nozzle bars 7, 8 11 and the associated control valves 12 through a feed line 22 in a side plate 20, the cavity 23 of the in Side plate 20 built-in bearing pin 18, the interior 24 of the adapter 17 seated on the journal 18 and the Distribution channel 25 of the nozzle bars 7, 8 takes place.

Die Zuführung des Kühlmittels zu den Düsenbalken 7, 8 kann auch durch jeweils eine Zuleitung 22 in beiden Seitenschildern 20, 21, die in diese eingebauten hohlen Lagerzapfen 18, 19, die auf diesen sitzenden Adapter 17 und den Verteilerkanal 25 der Düsenbalken erfolgen.The supply of the coolant to the nozzle bars 7, 8 can also by a feed line 22 in each of the two side plates 20, 21, in these built-in hollow journals 18, 19, the on this seated adapter 17 and the distribution channel 25 of the Nozzle bars are made.

Auf den beiden Lagerzapfen 18, 19 der Düsenbalken 7, 8 sind hydraulische Stellzylinder 26, 27 mit an den Adaptern 17 angreifenden Stellkolben 28 zum Verschieben der Düsenbalken 7, 8 in Pfeilrichtung b, c quer zur Laufrichtung a des Walzbandes 6 angeordnet.On the two journals 18, 19 of the nozzle bars 7, 8 are hydraulic actuating cylinders 26, 27 with the adapters 17 Acting piston 28 to move the nozzle bars 7, 8th in the direction of the arrow b, c transverse to the direction of travel a of the rolled strip 6 arranged.

An die beiden Seitenschilde 20, 21 ist je ein an einem Adapter 17 angreifender Drehantrieb 29 zum Schwenken der Düsenbalken 7, 8 um ihre Längsachse 13-13 angebaut. On the two side plates 20, 21 there is one on each Adapter 17 attacking rotary drive 29 for pivoting the Nozzle bar 7, 8 grown around its longitudinal axis 13-13.

Die Anschlußkabel für die Steuerventile 12 der Sprühdüsen 11 der Düsenbalken 7, 8 sind in mehreren flexiblen Schutzschläuchen 30 zusammengeführt, wobei die Länge der Anschlußkabel der Steuerventile derart bemessen ist, daß ein Schwenken der Düsenbalken 7, 8 um die Balkenlängsachse 13-13 möglich ist.The connecting cables for the control valves 12 of the spray nozzles 11 the nozzle bars 7, 8 are in several flexible protective tubes 30 merged, the length of the connecting cable Control valves is dimensioned such that a pivoting of the Nozzle bar 7, 8 around the bar longitudinal axis 13-13 is possible.

Bei Reparatur- und Wartungsarbeiten an den Sprühdüsen 11 werden die Düsenbalken 7, 8 aus der Betriebsposition gemäß Fig. 3 um 180° in die Wartungsposition gemäß Fig. 4 geschwenkt, in der die den Arbeitswalzen 2, 3 abgewandten Sprühdüsen 11 frei zugängig sind. Wartungs- und Reparaturarbeiten an den Steuerventilen 12 der Düsenbalken 7, 8 werden zweckmäßig in der Betriebsposition der Düsenbalken gemäß Fig. 3 durchgeführt.During repair and maintenance work on the spray nozzles 11 are the nozzle bars 7, 8 from the operating position shown in FIG. 3 pivoted through 180 ° into the maintenance position according to FIG. 4, in of the spray nozzles 11 facing away from the work rolls 2, 3 are accessible. Maintenance and repair work on the Control valves 12 of the nozzle bars 7, 8 are useful in the Operating position of the nozzle bar according to FIG. 3 carried out.

In die Düsenbalken 7, 8 für die Arbeitswalzen 2, 3 sind Temperaturfühler 31 zur Erfassung der Größe des thermischen Walzenballens außerhalb der maximalen Bandbreite und in Walzenmitte durch eine Temperaturmessung der Walzenoberfläche zum Abgleich des Walzspaltmodells integriert.In the nozzle bars 7, 8 for the work rolls 2, 3 are Temperature sensor 31 for detecting the size of the thermal Roll bales outside the maximum range and in Roll center by measuring the temperature of the roll surface integrated to adjust the roll gap model.

Abweichend von der vorbeschriebenen Ausführungsform der neuen Walzenkühl- und Schmiervorrichtung besteht die Möglichkeit, zusätzlich eine Verschiebbarkeit und eine Verschwenkbarkeit der Düsenbalken 9, 10 für die Stützwalzen 4, 5 in Richtung der beziehungsweise um die Balkenlängsachse vorzusehen. Ferner kann eine Verfahrbarkeit der Düsenbalken 7, 8 für die Arbeitswalzen 2, 3 und der Düsenbalken 9, 10 für die Stützwalzen 4, 5 zusammen oder unabhängig voneinander oder lediglich eine Verfahrbarkeit der Düsenbalken 7, 8 für die Arbeitswalzen 2, 3 aus einer walzenfernen Wartungsposition in die Arbeitsposition und aus der Arbeitsposition in die Wartungsposition in Betracht gezogen werden. Deviating from the above-described embodiment of the the new roller cooling and lubrication device Possibility of an additional movability and a Pivotal movement of the nozzle bars 9, 10 for the support rollers 4, 5 in the direction of or around the longitudinal axis of the beam to provide. In addition, the nozzle bars 7, 8 can be moved for the work rolls 2, 3 and the nozzle bar 9, 10 for the Back-up rolls 4, 5 together or independently or only a movability of the nozzle bars 7, 8 for the Work rolls 2, 3 from a maintenance position remote from the roll in the working position and from the working position to the Maintenance position should be considered.

Claims (6)

Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke, insbesondere Feinband- und Folienwalzwerke, mit den einzelnen Walzen zugeordneten, an den Seitenschildern der Walzenständern eines oder mehrerer Walzgerüste angebrachten Düsenbalken, in die über die Breite der Walzen Sprühdüsen eingebaut und die relativ zu den ihnen zugeordneten Walzen unabhängig voneinander quer zur Laufrichtung des Walzbandes in zur Bandebene parallelen Ebenen verstellbar sind, zur Regelung der Bandzugspannung über die Bandbreite durch eine Änderung des wirksamen Walzenballendurchmessers und/oder eine Beeinflussung der Walzenschmierung mit einer druck- und/oder mengen- und/oder temperaturgeregelten Zuführung von Walzöl oder Emulsionen, gekennzeichnet durch um ihre Längsachse (13-13) mittels eines Drehantriebs (29) schwenkbare und in Richtung der Längsachse (13-13) mittels eines Linearantriebs (Stellzylinder 26, 27) verschiebbare Düsenbalken (7, 8).Roller cooling and / or lubricating device for cold strip rolling mills, in particular fine strip and foil rolling mills, with the individual rollers assigned to the side plates of the roller stands of one or more roll stands, into which spray nozzles are installed across the width of the rollers and which are relative to the rollers assigned to them can be adjusted independently of one another transversely to the direction of travel of the rolled strip in planes parallel to the strip plane, for regulating the strip tension over the strip width by changing the effective roll bale diameter and / or influencing the roll lubrication with a pressure and / or quantity and / or temperature-controlled supply of Rolling oil or emulsions, characterized by nozzle bars (7, 8) which can be pivoted about their longitudinal axis (13-13) by means of a rotary drive (29) and displaceable in the direction of the longitudinal axis (13-13) by means of a linear drive (actuating cylinder 26, 27). Vorrichtung nach Anspruch 1, gekennzeichnet durch an den beiden Enden (15, 16) der einzelnen Düsenbalken (7, 8) angebrachte Adapter (17) zur drehbaren und verschiebbaren Lagerung der Düsenbalken (7, 8) um und in Richtung der Balkenlängsachse (13-13) auf zwei hohlen Lagerzapfen (18, 19), die in Seitenschilde (20, 21) an den beiden Walzenständern eines Walzgerüstes (1) eingebaut sind, wobei die Zuführung des Kühlmittels beziehungsweise der Emulsionen zu den in den Düsenbalken (7, 8) eingebauten Sprühdüsen (11) und den zugehörigen Steuerventilen (12) durch eine Zuleitung (22) in einem Seitenschild (20) oder beiden Seitenschildern (20, 21), den Hohlraum (23) des in das Seitenschild (20) eingebauten Lagerzapfens (18), den Innenraum (24) des auf dem Lagerzapfen (18) sitzenden Adapters (17) und den Verteilerkanal (25) der Düsenbalken (7, 8) erfolgt, auf den beiden Lagerzapfen (18, 19) der einzelnen Düsenbalken (7, 8) angeordnete Stellzylinder (26, 27) mit an den Adaptern (17) angreifenden Stellkolben (28) zum Verschieben der Düsenbalken (7, 8) quer zur Laufrichtung (a) des Walzbandes (6) sowie einen an einem Adapter (17) der einzelnen Düsenbalken (7, 8) angreifenden Drehantrieb (29) zum Schwenken der Düsenbalken (7, 8) um ihre Längsachse (13-13).Device according to Claim 1, characterized by adapters (17) attached to the two ends (15, 16) of the individual nozzle bars (7, 8) for rotatably and displaceably mounting the nozzle bars (7, 8) around and in the direction of the bar longitudinal axis (13- 13) on two hollow bearing journals (18, 19), which are installed in side shields (20, 21) on the two roll stands of a roll stand (1), the supply of the coolant or of the emulsions to the in the nozzle bars (7, 8) built-in spray nozzles (11) and the associated control valves (12) through a feed line (22) in a side plate (20) or both side plates (20, 21), the cavity (23) of the bearing pin (18) installed in the side plate (20) , the interior (24) of the adapter (17) seated on the bearing journal (18) and the distribution channel (25) of the nozzle bars (7, 8) take place on the two bearing journals (18, 19) of the individual nozzle bars (7, 8) arranged adjusting cylinders (26, 27) with on the adapters (17) ang Ripening adjusting piston (28) for displacing the nozzle bars (7, 8) transversely to the running direction (a) of the rolled strip (6) and a rotary drive (29) engaging an adapter (17) of the individual nozzle bars (7, 8) for pivoting the nozzle bars (7, 8) about its longitudinal axis (13-13). Vorrichtung nach Anspruch 1 und 2, gekennzeichnet durch eine Zusammenführung der beiden Anschlußkabel der elektromagnetischen Steuerventile (12) mehrerer Sprühdüsen (11) der Düsenbalken (7, 8) in flexiblen Schutzschläuchen (30).Apparatus according to claim 1 and 2, characterized by a merging of the two connecting cables of the electromagnetic control valves (12) of several spray nozzles (11) of the nozzle bars (7, 8) in flexible protective tubes (30). Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Düsenbalken (7, 8) für die Arbeitswalzen (2, 3) in Laufrichtung (a) des Walzbandes (6) aus einer walzenfernen Wartungsposition in die Arbeitsposition und aus der Arbeitsposition in die Wartungsposition verfahrbar sind.Device according to one of claims 1 to 3, characterized in that the nozzle bars (7, 8) for the work rolls (2, 3) in the running direction (a) of the rolled strip (6) from a maintenance position remote from the roll into the working position and from the working position in the maintenance position can be moved. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Düsenbalken (7, 8) für die Arbeitswalzen (2, 3) und die Düsenbalken (9, 10) für die Stützwalzen (4, 5) zusammen oder unabhängig voneinander aus einer walzenfernen Wartungsposition in die Arbeitsposition und aus der Arbeitsposition in die Wartungsposition verfahrbar sind.Device according to one of claims 1 to 3, characterized in that the nozzle bars (7, 8) for the work rolls (2, 3) and the nozzle bars (9, 10) for the backup rolls (4, 5) together or independently of one another Maintenance position remote from the roller can be moved into the working position and from the working position into the maintenance position. Vorrichtung nach einem der Ansprüche 1 bis 5, gekennzeichnet durch in die Düsenbalken (7, 8) für die Arbeitswalzen (2, 3) integrierte Temperaturfühler (31) zur Erfassung der Größe des thermischen Walzenballens außerhalb der maximalen Bandbreite und in Walzenmitte durch eine Temperaturmessung der Walzenoberfläche zum Abgleich des Walzenspaltmodells.Device according to one of claims 1 to 5, characterized by temperature sensors (31) integrated in the nozzle bars (7, 8) for the work rolls (2, 3) for detecting the size of the thermal roll bale outside the maximum bandwidth and in the middle of the roll by measuring the temperature Roll surface for the adjustment of the roll gap model.
EP01107353A 2000-04-08 2001-03-24 Roll cooling and/or lubricating device for cold strip rolling mills, in particular fine strip and foil rolling mills Expired - Lifetime EP1142653B1 (en)

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EP1775039A1 (en) * 2005-10-14 2007-04-18 ACHENBACH BUSCHHÜTTEN GmbH Spray nozzle valve for mounting in a nozzle bar
CN101683660B (en) * 2008-09-28 2011-07-20 宝山钢铁股份有限公司 Control method of tandem cold rolling mill emulsion section cooling
WO2011134216A1 (en) * 2010-04-27 2011-11-03 中冶南方工程技术有限公司 Blocking method for emulsion side channeling
WO2011134219A1 (en) * 2010-04-27 2011-11-03 中冶南方工程技术有限公司 Emulsion side channeling blocking device
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CN101683660B (en) * 2008-09-28 2011-07-20 宝山钢铁股份有限公司 Control method of tandem cold rolling mill emulsion section cooling
WO2011134216A1 (en) * 2010-04-27 2011-11-03 中冶南方工程技术有限公司 Blocking method for emulsion side channeling
WO2011134219A1 (en) * 2010-04-27 2011-11-03 中冶南方工程技术有限公司 Emulsion side channeling blocking device
CN104105554A (en) * 2012-02-15 2014-10-15 西门子Vai金属科技有限责任公司 Low maintenance nozzle mixer unit for roll nip lubrication
US9566623B2 (en) 2012-02-15 2017-02-14 Primetals Technologies Austria GmbH Low maintenance nozzle mixer unit for roll nip lubrication
CN102974617A (en) * 2012-12-05 2013-03-20 江苏永钢集团有限公司 Roller cooler transverse positioning device
EP3251762A1 (en) 2016-06-02 2017-12-06 Primetals Technologies Austria GmbH Lubricating device for applying a lubricant when rolling a product to be rolled
WO2017207622A1 (en) 2016-06-02 2017-12-07 Primetals Technologies Austria GmbH Lubrication device for applying a lubricant when rolling a rolling material
US11440067B2 (en) 2016-06-02 2022-09-13 Primetals Technologies Austria GmbH Lubricating device for applying a lubricant when rolling a rolling material
CN114535300A (en) * 2016-10-17 2022-05-27 首要金属科技奥地利有限责任公司 Cooling of rolls of a rolling stand
CN111589863A (en) * 2020-05-28 2020-08-28 天津市宇润德金属制品有限公司 Be used for steel sheet to press thin processing system

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EP1142653B1 (en) 2005-02-09
DE10043281B4 (en) 2004-04-15
EP1142653A3 (en) 2004-01-02
DE10043281A1 (en) 2001-10-18
JP2001347305A (en) 2001-12-18
DE50105274D1 (en) 2005-03-17

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