EP2152450A1 - Continuous casting mold - Google Patents

Continuous casting mold

Info

Publication number
EP2152450A1
EP2152450A1 EP08748712A EP08748712A EP2152450A1 EP 2152450 A1 EP2152450 A1 EP 2152450A1 EP 08748712 A EP08748712 A EP 08748712A EP 08748712 A EP08748712 A EP 08748712A EP 2152450 A1 EP2152450 A1 EP 2152450A1
Authority
EP
European Patent Office
Prior art keywords
hydraulic cylinder
continuous casting
piston
displacement
casting mold
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.)
Withdrawn
Application number
EP08748712A
Other languages
German (de)
French (fr)
Inventor
Jörn HOFFMEISTER
Alfons Krausa
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 EP2152450A1 publication Critical patent/EP2152450A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/05—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds into moulds having adjustable walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/168—Controlling or regulating processes or operations for adjusting the mould size or mould taper

Definitions

  • the invention relates to a continuous casting mold with two opposite Kokillenschmaltime and two opposing Kokillenlnature, wherein at least one of the Kokillenschmalhow by hydraulic cylinders on the opposite Kokillenschmalseite to or from this is movable, and wherein the hydraulic cylinders are independently operable and one cylinder and have a piston guided therein, the piston rod is connected to the Kokillenschmalseite to be adjusted, and wherein at least one of the hydraulic cylinder is associated with a device for detecting the position of the piston and thus the displacement of the Kokillenschmalseite.
  • Continuous casting molds with such devices for detecting the displacement of the Kokillenschmalseite to be adjusted are known for example from DE 199 60 792 C2 or EP 914 888 B1.
  • a device whose position is transmitted to a fixedly arranged scale transmitting device is provided on the piston rod, while in the second font parallel to a cylinder Linearweggeber is arranged.
  • a disadvantage of both devices is that so that only the relative position can be detected, d. H. It must first be made a calibration, from which the respective possible end positions of the Kokillenschmalfact are derived as a reference. Only then is it possible to conclude from the position of the displacement sensor on the actual position of the piston and thus then the Kokillenschmalseite.
  • the invention is therefore an object of the invention to provide a continuous casting mold, which allows a simpler, faster and with respect to the coming to use device for determining the position of the Kokillenschmalseite, also more flexible adjustment.
  • This object is achieved according to the invention in that the device consists of a path measuring system that is arranged parallel to the hydraulic cylinder and designed so that its measuring path directly corresponds to the displacement of the piston of the hydraulic cylinder.
  • the path measuring system consists of telescoping elements, e.g. in the manner of cylinder and piston rod.
  • this system follows the adjustment of the mold narrow side on the hydraulic cylinder in the same way.
  • This space-saving design of this displacement measuring system also makes it possible to arrange several such systems around the respective hydraulic cylinder, so that redundant measurements can be made.
  • the hydraulic cylinder and the displacement measuring system form a module, that is to say a coherent arrangement. This then allows this module to be replaced as a whole. This in turn has the advantage that no calibration in the system is required, but this unit is calibrated before installation and then - after installation in the system - is immediately operational.
  • Fig. 1 shows schematically a hydraulic cylinder for adjusting a Kokillenschmalseite with a displacement measuring system, in the extended and
  • a modified type of articulation of the displacement measuring system on the hydraulic cylinder is a modified type of articulation of the displacement measuring system on the hydraulic cylinder.
  • FIG. 1 shows only the hydraulic cylinder 1 with the piston rod 2 and the indicated narrow side 3 of the mold. On the presentation of the remaining parts of a continuous casting mold has been omitted, especially since these embodiments are known in the art from the aforementioned prior art.
  • the displacement measuring system 4 according to the invention is arranged, in an embodiment which corresponds to that of a piston / cylinder system, ie with telescoping elements.
  • this displacement measuring system is attached on the one hand to the hydraulic cylinder and on the other hand to the support of the piston rod 2.
  • the hydraulic cylinder itself is articulated on the narrow side of the mold 3.
  • FIG. 2 shows that the entire arrangement and design of the displacement measuring system and of the hydraulic cylinder is very space-saving, so that several displacement measuring systems can also be provided around the hydraulic cylinder.
  • This hydraulic cylinder arrangement can also be referred to as a linear displacement system, and then this would also be understood to mean another adjustment, such as a mechanical or electromechanical arrangement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)

Abstract

The invention relates to a continuous casting mold comprising two narrow mold sides opposite each other and two longitudinal mold sides opposite each other, wherein at least one of the narrow mold sides can be moved towards or away from the opposite narrow mold side by hydraulic cylinders. The hydraulic cylinders can be actuated independently of each other and each comprises one cylinder and one piston rod moved therein. The piston rod is connected to the adjustable narrow mold side, wherein at least one hydraulic cylinder is provided with a device for detecting the position of the piston and thus is associated with the adjustment of the narrow mold side. In order to achieve a better determination of the position of the narrow mold side, the invention proposes that the device comprise a displacement sensor disposed parallel to the hydraulic cylinder that is designed such that the measuring path directly equals the displacement of the piston of the hydraulic cylinder.

Description

Stranggießkokille continuous casting
Die Erfindung betrifft eine Stranggießkokille mit zwei einander gegenüberliegenden Kokillenschmalseiten und zwei einander gegenüberliegenden Kokillenlängsseiten, wobei mindestens eine der Kokillenschmalseiten durch Hydraulikzylinder auf die gegenüber liegende Kokillenschmalseite zu bzw. von dieser weg bewegbar ist, und wobei die Hydraulikzylinder unabhängig voneinander betätigbar sind und je einen Zylinder und einen darin geführten Kolben aufweisen, dessen Kolbenstange mit der zu verstellenden Kokillenschmalseite verbunden ist, und wobei mindestens einem der Hydraulikzylinder eine Einrichtung zum Erfassen der Stellung des Kolbens und damit der Verschiebung der Kokillenschmalseite zugeordnet ist.The invention relates to a continuous casting mold with two opposite Kokillenschmalseiten and two opposing Kokillenlängsseiten, wherein at least one of the Kokillenschmalseiten by hydraulic cylinders on the opposite Kokillenschmalseite to or from this is movable, and wherein the hydraulic cylinders are independently operable and one cylinder and have a piston guided therein, the piston rod is connected to the Kokillenschmalseite to be adjusted, and wherein at least one of the hydraulic cylinder is associated with a device for detecting the position of the piston and thus the displacement of the Kokillenschmalseite.
Stranggießkokillen mit derartigen Einrichtungen zum Erfassen der Verschiebung der zu verstellenden Kokillenschmalseite sind beispielsweise bekannt aus der DE 199 60 792 C2 oder der EP 914 888 B1.Continuous casting molds with such devices for detecting the displacement of the Kokillenschmalseite to be adjusted are known for example from DE 199 60 792 C2 or EP 914 888 B1.
Bei der erst genannten Schrift ist an der Kolbenstange ein deren Position auf eine ortsfest angeordnete Skale übertragende Einrichtung vorgesehen, während bei der zweiten Schrift parallel zu Zylinder ein Linearweggeber angeordnet ist.In the first mentioned font, a device whose position is transmitted to a fixedly arranged scale transmitting device is provided on the piston rod, while in the second font parallel to a cylinder Linearweggeber is arranged.
Nachteilig bei beiden Einrichtungen ist, dass damit nur die relative Position erfassbar ist, d. h. es muss zunächst eine Eichung vorgenommen werden, aus der die jeweils möglichen Endstellungen der Kokillenschmalseiten als Bezugsgrößen ableitbar sind. Erst dann ist es möglich, aus der Stellung des Weggebers auf die tatsächliche Position des Kolbens und damit dann der Kokillenschmalseite zu schließen.A disadvantage of both devices is that so that only the relative position can be detected, d. H. It must first be made a calibration, from which the respective possible end positions of the Kokillenschmalseiten are derived as a reference. Only then is it possible to conclude from the position of the displacement sensor on the actual position of the piston and thus then the Kokillenschmalseite.
Somit muss diese Eichung bei jeder neuen Kokillengrundeinstellung neu vorgenommen werden.Thus, this calibration must be made with each new mold base adjustment.
Dies ist zeitaufwendig und umständlich.This is time consuming and cumbersome.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Stranggießkokille zu schaffen, die eine einfachere, schnellere und hinsichtlich der zum Einsatz kommenden Einrichtung zur Positionsbestimmung der Kokillenschmalseite, auch flexiblere Anpassung ermöglicht. Gelöst wird diese Aufgabe erfindungsgemäß dadurch, dass die Einrichtung aus einem Wegmesssystem besteht, dass parallel zum Hydraulikzylinder angeordnet und so ausgebildet ist, dass dessen Messweg direkt der Verschiebung des Kolbens des Hydraulikzylinders entspricht.The invention is therefore an object of the invention to provide a continuous casting mold, which allows a simpler, faster and with respect to the coming to use device for determining the position of the Kokillenschmalseite, also more flexible adjustment. This object is achieved according to the invention in that the device consists of a path measuring system that is arranged parallel to the hydraulic cylinder and designed so that its measuring path directly corresponds to the displacement of the piston of the hydraulic cylinder.
Vorzugsweise besteht das Wegmessystem aus teleskopierenden Elementen, z.B. in der Art von Zylinder und Kolbenstange. Damit folgt dieses System der Verstellung der Kokillenschmalseite über die Hydraulikzylinder in gleicher weise.Preferably, the path measuring system consists of telescoping elements, e.g. in the manner of cylinder and piston rod. Thus, this system follows the adjustment of the mold narrow side on the hydraulic cylinder in the same way.
Die raumsparende Ausbildung dieses Wegmesssystems ermöglicht es auch, mehrere derartige Systeme um den jeweiligen Hydraulikzylinder herum anzuordnen, so dass redundant gemessen werden kann.The space-saving design of this displacement measuring system also makes it possible to arrange several such systems around the respective hydraulic cylinder, so that redundant measurements can be made.
Besonders vorteilhaft ist es, wenn Hydraulikzylinder und Wegmesssystem ein Modul bilden, also eine zusammenhängende Anordnung. Damit kann dann dieses Modul als Ganzes ausgetauscht werden. Dies hat wiederum den Vorteil, dass keine Kalibrierung in der Anlage erforderlich ist, sondern diese Einheit vor dem Einbau kalibriert wird und dann - nach dem Einbau in die Anlage - sofort einsatzfähig ist.It is particularly advantageous if the hydraulic cylinder and the displacement measuring system form a module, that is to say a coherent arrangement. This then allows this module to be replaced as a whole. This in turn has the advantage that no calibration in the system is required, but this unit is calibrated before installation and then - after installation in the system - is immediately operational.
Die Erfindung soll nachfolgend an einem Ausführungsbeispiel erläutert werden.The invention will be explained below using an exemplary embodiment.
Dabei zeigt:Showing:
Fig. 1 schematisch einen Hydraulikzylinder zum Verstellen einer Kokillenschmalseite mit einem Wegmesssystem, und zwar in ausgefahrener undFig. 1 shows schematically a hydraulic cylinder for adjusting a Kokillenschmalseite with a displacement measuring system, in the extended and
Fig.2 in eingefahrener Betriebsstellung,2 in retracted operating position,
Fig.3 eine abgewandelte Art der Anlenkung des Wegmesssystems am Hydraulikzylinder.A modified type of articulation of the displacement measuring system on the hydraulic cylinder.
In der Figur 1 ist nur der Hydraulikzylinder 1 mit der Kolbenstange 2 und der angedeuteten Kokillenschmalseite 3 dargestellt. Auf die Darstellung der übrigen Teile einer Stranggießkokille wurde verzichtet, zumal diese Ausbildungen den Fachmann auch aus dem eingangs genannten Stand der Technik bekannt sind. Parallel zum Hydraulikzylinder 1 ist das erfindungsgemäße Wegmesssystem 4 angeordnet, und zwar in einer Ausbildung, die der eines Kolben/Zylindersystems entspricht, d. h. mit teleskopierenden Elementen.FIG. 1 shows only the hydraulic cylinder 1 with the piston rod 2 and the indicated narrow side 3 of the mold. On the presentation of the remaining parts of a continuous casting mold has been omitted, especially since these embodiments are known in the art from the aforementioned prior art. Parallel to the hydraulic cylinder 1, the displacement measuring system 4 according to the invention is arranged, in an embodiment which corresponds to that of a piston / cylinder system, ie with telescoping elements.
In dieser Figur 1 ist dieses Wegmesssystem einerseits am Hydraulikzylinder und andererseits an der Abstützung der Kolbenstange 2 befestigt. Der Hydraulikzylinder selbst ist an der Kokillenschmalseite 3 angelenkt.In this figure 1, this displacement measuring system is attached on the one hand to the hydraulic cylinder and on the other hand to the support of the piston rod 2. The hydraulic cylinder itself is articulated on the narrow side of the mold 3.
Wesentlich ist, dass durch diese Anordnung und Ausbildung des Wegmesssystems 4, die Verschiebung, die relativ zwischen Hydraulikzylinder 1 und Kolbenstange 2 auftritt, direkt übertragen wird auf das teleskopierende Wegmesssystem 4.It is essential that, due to this arrangement and design of the displacement measuring system 4, the displacement which occurs relatively between the hydraulic cylinder 1 and the piston rod 2 is transmitted directly to the telescoping displacement measuring system 4.
Die gilt auch für die zweite Variante der Befestigung nach Figur 3, wo das teleskopierende Element des Wegemesssystems 4 mit der Kolbenstange 2 und der zugehörige Zylinder mit dem Hydraulikzylinder 1 verbunden ist. Die Verschiebung des teleskopierenden Elementes des Wegmesssystems entspricht damit genau der Verschiebung der Kolbenstange 2 über die die Kokillenschmalseite verstellt wird.This also applies to the second variant of the attachment according to FIG. 3, where the telescoping element of the path measuring system 4 is connected to the piston rod 2 and the associated cylinder to the hydraulic cylinder 1. The displacement of the telescoping element of the displacement measuring system thus corresponds exactly to the displacement of the piston rod 2 via which the narrow side of the mold is adjusted.
Die Figur 2 zeigt, dass die gesamte Anordnung und Ausbildung des Wegmesssystems und des Hydraulikzylinders sehr raumsparend ist, so dass auch mehrere Wegmesssysteme um den Hydraulikzylinder herum vorgesehen sein können.FIG. 2 shows that the entire arrangement and design of the displacement measuring system and of the hydraulic cylinder is very space-saving, so that several displacement measuring systems can also be provided around the hydraulic cylinder.
Es sei erwähnt, dass die Erfindung hier mit einer Hydraulikzylinderanordnung zum Verstellen der Kokillenschmalseite beansprucht und erläutert worden ist.It should be noted that the invention has been claimed and explained here with a hydraulic cylinder arrangement for adjusting the narrow side of the mold.
Man kann diese Hydraulikzylinderanordung auch als lineares Verschiebesystem bezeichnen und dann würde hierunter auch eine andere Verstellmöglichkeit, wie eine mechanische oder elektromechanische Anordnung zu verstehen sein.This hydraulic cylinder arrangement can also be referred to as a linear displacement system, and then this would also be understood to mean another adjustment, such as a mechanical or electromechanical arrangement.
Wesentlich is, dass die lineare Verstellbewegung für die Kokillenschmalseite parallel und direkt von dem Wegmesssystem nachvollzogen wird. It is essential that the linear adjustment movement for the narrow side of the mold is reproduced in parallel and directly by the displacement measuring system.

Claims

Ansprüche claims
1. Stranggießkokille mit zwei einander gegenüberliegenden Kokillenschmalseiten und zwei einander gegenüberliegenden Kokillenlängsseiten, wobei mindestens eine der Kokillenschmalseiten durch Hydraulikzylinder auf die gegenüber liegende Kokillenschmalseite zu bzw. von dieser weg bewegbar ist, und wobei die Hydraulikzylinder unabhängig voneinander betätigbar sind und je einen Zylinder und einen darin geführten Kolben aufweisen, dessen Kolbenstange mit der zu verstellenden Kokillenschmalseite verbunden ist, und wobei mindestens einem der Hydraulikzylinder eine Einrichtung zum Erfassen der Stellung des Kolbens und damit der Verschiebung der Kokillenschmalseite zugeordnet ist, dadurch gekennzeichnet, dass die Einrichtung aus einem Wegmesssystem besteht, dass parallel zum Hydraulikzylinder angeordnet und so ausgebildet ist, dass dessen Messweg direkt der Verschiebung des Kolbens des Hydraulikzylinders entspricht.1. continuous casting mold with two opposite Kokillenschmalseiten and two opposite Kokillenlängsseiten, wherein at least one of the Kokillenschmalseiten by hydraulic cylinders on the opposite Kokillenschmalseite to or from this is movable, and wherein the hydraulic cylinders are independently operable and one cylinder and one therein guided piston having its piston rod is connected to the Kokillenschmalseite to be adjusted, and wherein at least one of the hydraulic cylinder is associated with a device for detecting the position of the piston and thus the shift of the Kokillenschmalseite, characterized in that the device consists of a Wegmesssystem that parallel arranged to the hydraulic cylinder and is formed so that its measuring path corresponds directly to the displacement of the piston of the hydraulic cylinder.
2. Stranggießkokille nach Anspruch 1 , dadurch gekennzeichnet, dass das Wegmesssystem aus teleskopierenden Elementen besteht.2. Continuous casting mold according to claim 1, characterized in that the displacement measuring system consists of telescoping elements.
3. Stranggießkokille nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass jedem Hydraulikzylinder mehrere Wegmesssysteme zugeordnet sind.3. Continuous casting mold according to one of the preceding claims, characterized in that each hydraulic cylinder is assigned a plurality of displacement measuring systems.
4. Stranggießkokille nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Wegmesssystem und der Hydraulikzylinder als Modul ausgebildet ist, das als Ganzes austauschbar ist. 4. Continuous casting mold according to one of the preceding claims, characterized in that the displacement measuring system and the hydraulic cylinder is designed as a module which is interchangeable as a whole.
EP08748712A 2007-04-26 2008-03-26 Continuous casting mold Withdrawn EP2152450A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102007020543 2007-04-26
DE102007039882A DE102007039882A1 (en) 2007-04-26 2007-08-20 continuous casting
PCT/DE2008/000537 WO2008131712A1 (en) 2007-04-26 2008-03-26 Continuous casting mold

Publications (1)

Publication Number Publication Date
EP2152450A1 true EP2152450A1 (en) 2010-02-17

Family

ID=39809758

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08748712A Withdrawn EP2152450A1 (en) 2007-04-26 2008-03-26 Continuous casting mold

Country Status (9)

Country Link
US (1) US20100084108A1 (en)
EP (1) EP2152450A1 (en)
JP (1) JP2010524694A (en)
KR (1) KR20100015901A (en)
CN (1) CN102015153A (en)
CA (1) CA2685104A1 (en)
DE (1) DE102007039882A1 (en)
RU (1) RU2424080C1 (en)
WO (1) WO2008131712A1 (en)

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US8354212B2 (en) 2008-09-26 2013-01-15 Konica Minolta Business Technologies, Inc. Electrophotographic photoreceptor, image forming apparatus, and method for image formation
CN102266919B (en) * 2011-08-03 2013-09-18 田志恒 System and method for on-line width thermal adjustment of crystallizer

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Also Published As

Publication number Publication date
WO2008131712A1 (en) 2008-11-06
RU2009143681A (en) 2011-06-10
JP2010524694A (en) 2010-07-22
US20100084108A1 (en) 2010-04-08
CA2685104A1 (en) 2008-11-06
KR20100015901A (en) 2010-02-12
RU2424080C1 (en) 2011-07-20
DE102007039882A1 (en) 2008-11-06
CN102015153A (en) 2011-04-13

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