EP1216113B1 - Device for the continuous casting of metal - Google Patents

Device for the continuous casting of metal Download PDF

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Publication number
EP1216113B1
EP1216113B1 EP00958434A EP00958434A EP1216113B1 EP 1216113 B1 EP1216113 B1 EP 1216113B1 EP 00958434 A EP00958434 A EP 00958434A EP 00958434 A EP00958434 A EP 00958434A EP 1216113 B1 EP1216113 B1 EP 1216113B1
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EP
European Patent Office
Prior art keywords
spring
stroke table
elements
continuous casting
equipment according
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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.)
Expired - Lifetime
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EP00958434A
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German (de)
French (fr)
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EP1216113A1 (en
Inventor
Horst Grothe
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
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SMS Demag AG
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    • 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
    • B22D11/053—Means for oscillating the moulds

Definitions

  • the invention relates to a device for the continuous casting of metal, in particular Steel, comprising a lifting table, which is by means of a drive unit can be driven to oscillate, one picked up by the lifting table Continuous casting mold as well as a fixed supporting structure that with Guide or storage elements for dn lifting table is provided.
  • Spring systems are known to replace rolling and plain bearings, for example from EP 0 150 357 B1.
  • a guide device described for a continuous casting mold with an integrally formed Chill lift table brackets are attached, each via a spring element with a removable frame that can be placed on the base frame are connected.
  • These brackets consist of a spring support together, which holds a straight leaf spring, on the one with the intermediate piece connected to the mold lifting table comes to rest.
  • the invention has for its object a device for continuous casting for metal, especially steel, with guide elements between the lifting table and a fixed support structure to provide the simple, low-wear and maintenance-free and which are independent of thermal expansions ensure precise guidance of the lifting table.
  • a first load balancing system is in the form of a elastic spring system.
  • This is made up of two angled arranged in relation to each other - preferably at an angle of 90 ° - spring legs together, each perpendicular to the direction of oscillation extend, the two spring legs designed tuning fork-shaped are and where the overlapping upper and lower Ends of the two spring legs the support surface for the lifting table or form the connection surface with the fixed support structure and the spring system in addition to the force in the direction of oscillation forces in the two receives directions perpendicular to the direction of oscillation vibration.
  • the spring system is particularly opposed to the known rolling and plain bearings, maintenance-free storage of guaranteed swinging lifting table on a supporting frame.
  • the leadership is free of play because, apart from the elastic deformation of the springs, none Change of barrel geometry takes place.
  • the two are tuning fork-shaped trained leg of a spring system in one piece and after a second embodiment formed in two pieces.
  • a first outer part is connected to the lifting table, a second outer part to the supporting frame.
  • the spring system can be moved by moving the lower two Leg parts are adjusted. Due to different dimensions of the Leaf springs that form the tuning fork in terms of their length, width and Thickness is also the suspension and running accuracy on different Adaptable for use.
  • the continuous casting device 1 is made up of two parts Support structure 2a, 2b with two-part lifting table 3a, 3b together, the lifting table receiving the casting mold (not shown), for example a mold for casting thin slabs.
  • the lifting table receiving the casting mold (not shown), for example a mold for casting thin slabs.
  • a lifting table element has an L-shaped basic shape (cf. Figure 3) and is made of two parts 31a, 32a symmetrical to the longitudinal axis built up.
  • the lifting table element 3a is arranged on a fixed Support frame element 2a stored. This receives a lifting cylinder 4a whose plunger 5a is anchored in the foot region 33a of the lifting table 3a.
  • the Lift table element 3a and thus the mold are in an oscillating Moves.
  • the lifting table element 3a On corresponding parts of the supporting structure 2a stored.
  • the spring systems 63a, 64a also in connection with the support frame 2.
  • the head region of the lifting table element has two projections 81a, 82a, which rest on the spring systems 64a, 63a.
  • the Spring systems 64a, 63a are supported by parts of the supporting structure 2a, the structure of which is not shown here.
  • the individual spring systems 61a to 64a each consist of two spring legs together, arranged at right angles to each other are.
  • the spring leg in the direction of view is therefore in the side view only shown as a point.
  • One spring leg is corresponding to the Basic shape of a tuning fork shaped. To describe the spring system reference is made to the detailed figures 5 to 10.
  • FIG. 2 shows a side view of the guide not shown in FIG. or supporting columns 91a, 92a, the top-end surfaces 101a, 102a by means of the spring systems 64a, 63a for the balanced support of the two Protrusions 81a, 82a of the lifting table element serve.
  • the overall height of the guide columns 91a, 92a is in each case from the height of the lifting cylinder 4a and that of the mold.
  • With 111a, 112a are inlets for the Designated cooling water of the mold.
  • Figure 3 shows a side view of the continuous caster, which is 90 ° to the side views of Figures 1 and 2 is rotated.
  • the two each Support frame elements 2a, 2b each hold a cylinder 4a, 4b.
  • On first and second L-shaped lifting table elements 3a, 3b are located opposite one another, spaced apart and take on corresponding Contact surfaces 122a, 122b on the mold 13 with the casting width Y. Below the first segments 142a, 142b of the mold outlet are shown, i.e. the first roles to guide the strand with solidified Shell after exiting the mold.
  • the two lifting table elements 3a, 3b are swinging on and on by means of the spring systems 62a, 63a, 62b, 63b the scaffolding elements 2a, 2b stored and guided, the upper Part of the supporting structure element is not shown.
  • Each lifting table element 3a, 3b is supported by a total of four spring systems stored and guided, the upper (63a, 64a, 63b, 64b) to the lower (61a, 62a, 61b, 62b) spring systems arranged offset to each other are. All in all, an optimally balanced positioning and Guidance system provided. Not only forces in the direction of vibration, but also taken in directions perpendicular to it become. A movement of a spring system is immediately the three other spring systems in the same horizontal plane or compensated by the spring systems, which are vertically offset. The entire system is therefore always subjected to external forces automatically swing back to the starting position.
  • the top view according to FIG. 4 illustrates the staggered arrangement of the individual spring systems 61a, 62a to 63a, 64a and 61b to 64b on the opposite side for storage of a lifting table element.
  • the respective lifting table element 3a, 3b is supported by the supporting structure 2a, 2b and the guide columns 91a, 92a and 91b, 92b of the supporting structure are supported or led.
  • the contact surfaces of the mold on the lifting table element are marked with A.
  • the respective runs in the middle of the lifting table element Lift cylinder 4a, 4b.
  • Inlets 11a run to the side of this 112a, 111b, 112b for the cooling medium for cooling the broad side of the mold.
  • the number of guide elements in the form of spring systems be increased for optimum load balancing.
  • the order of two further spring systems per lift table element is with an X designated.
  • Figures 5 and 6 show a side view and a plan view of a one-piece spring system in detail.
  • a spring system from two spring legs 201 and 202, which are at right angles to each other are arranged.
  • One spring leg 201, 202 each is in this embodiment with a one-piece U-shaped leaf spring, the thus an upper part 201 a, 202a and lower part 201 b, 202b formed. While the width B of the leaf spring has less influence on the properties of the overall system, influence the length L and the thickness D of the individual leaf spring or prong of the shaped tuning fork the properties of the overall spring system to a large extent.
  • width B 100 mm; Length L more than 200 mm; Thickness D about 12 or 14 mm.
  • the distance between the top and lower spring part 201a, 201b is 20 mm ⁇ in the unloaded state 5 mm.
  • a stainless spring steel is recommended as the spring material.
  • the end pieces 211a formed in one piece in this embodiment, 211b, 212a of the upper and lower part of the spring legs serve as Support surface for the respective lifting table element or connecting surface with the supporting structure.
  • a bore 213 is made in the end pieces of the spring legs Inclusion of a screw connection with a countersunk screw head, the one Detachable fastening of the spring system with the lifting table side guaranteed.
  • the lower parts of the spring legs (201b, 202b (not shown)) are their position changeable and adjustable. For this purpose, a bore 214 in the end pieces 211b, 212b (not shown) of these parts are inserted. The Adjustment takes place through mutual influence of the bolts. With the arrows shown in Figure 6 it is made clear that the for Direction of oscillation vertically occurring interference forces K by the proposed Spring system can be compensated.
  • FIGS. 7 and 8 a two-piece embodiment of the spring system shown.
  • the end pieces of the two spring legs are together veschraubt.
  • the first spring leg 301 (not fully shown here) is composed of an upper and lower part 301a, 301b.
  • the two parts 302a, 302b are perpendicular to this leg 301 of the second spring leg 302.
  • a screw connection 303 which extends to the bottom of part 301a, become the End pieces of the spring legs connected together. They become analog lower parts of the two spring legs 301b and 302b by a Screw connection 304 fastened together.
  • sled 305 is provided between parts 301b and 302b, one of which Side surface 305a with a further screw connection 306 against the End piece of the lower part 301b is screwable. Overall, that is the lower part of the spring system in the direction shown by the arrow adjustable.
  • FIG. 8 illustrates that at the bottom of the spring system an adjustment by means of two adjusting screws 306 and 307 of the spring system possible in two directions indicated by the arrows is.
  • the two parts of the intermediate slide 30a, 305b are above Fitting plates 306a, 306b on the corresponding end pieces. All in all is in this embodiment with the concrete specified above Component dimensions with a length of 200 to 220 mm and a thickness of A stroke of ⁇ 5 mm can be compensated by 12 or 14 mm.
  • the displacement route on the adjustment side is also ⁇ 5 mm.
  • FIG. 9 shows an embodiment of a spring leg of the spring system, the spring leg not from a curved spring, but consists of two spring elements.
  • the two spring elements 401 and 402 are spaced apart by spacers 403a, 403b and releasably connected to one another with a screw connection 404.
  • the spacers can be saved by already using the upper spring element 501 with a corresponding bridge element 503 is made in one piece.
  • a detachable Connection creates a screw connection again.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Vibration Prevention Devices (AREA)
  • Springs (AREA)

Abstract

A device for the continuous casting of metal includes a lifting platform which can be driven in an oscillating fashion by a drive device, a continuous casting mold received on the lifting platform, and a stationarily arranged support frame provided with guiding or bearing elements for the lifting platform. The guiding or bearing element is an elastic spring system including two spring legs arranged angularly relative to one another and extending perpendicularly to the oscillation direction. The two spring legs are formed like a tuning fork and respectively overlapping upper and lower ends of the two spring legs form the support surface for the lifting platform or the connecting surface with the stationarily arranged support frame. The spring system, in addition to the force in the oscillation direction, compensates by load balancing disturbing forces in directions perpendicular to the oscillation direction.

Description

Die Erfindung betrifft eine Einrichtung zum Stranggießen von Metall, insbesondere Stahl, umfassend einen Hubtisch, der mittels eines Antriebsaggregats oszillierend antreibbar ist, eine von dem Hubtisch aufgenommene Stranggießkokille sowie ein festangeordnetes Traggerüst, das mit Führungs- bzw. Lagerugselementen für dn Hubtisch versehen ist.The invention relates to a device for the continuous casting of metal, in particular Steel, comprising a lifting table, which is by means of a drive unit can be driven to oscillate, one picked up by the lifting table Continuous casting mold as well as a fixed supporting structure that with Guide or storage elements for dn lifting table is provided.

Es ist bekannt, eine Gießkokille in eine oszillierende Bewegung zu versetzen, um einen kontinuierlichen Gießvorgang beim Strangguß zu unterstützen. Üblicherweise werden Stranggießkokillen von Hubtischen aufgenommen, die diese oszillierende Bewegung auf die Kokille übertragen, während sie selbst mit Antriebsmitteln versehen sind. Dieser Hubtisch wird von einem Grundrahmen oder Traggerüst aufgenommen und ist in diesem mit Wälz- oder Gleitlagern gelagert.It is known to cause a casting mold to oscillate, to support a continuous casting process during continuous casting. Continuous casting molds are usually taken up by lifting tables, which transmit this oscillating movement to the mold, while they are provided with drive means themselves. This lift table will taken up by a base frame or support frame and is in this with roller or plain bearings.

Als Ersatz für Wälz- und Gleitlager sind Federsysteme bekannt, beispielsweise aus der EP 0 150 357 B1. In dieser wird eine Führungsvorrichtung für eine Stranggießkokille beschrieben, wobei an einem einstückig ausgebildeten Kokillenhubtisch Halterungen befestigt sind, die über je ein Federelement mit einem auf dem Grundrahmen aufsetzbaren Wechselrahmen verbunden sind. Diese Halterungen setzen sich aus einem Federträger zusammen, der eine gerade Blattfeder aufnimmt, auf der mittig ein mit dem Kokillenhubtisch verbundenes Zwischenstück zur Auflage kommt.Spring systems are known to replace rolling and plain bearings, for example from EP 0 150 357 B1. In this is a guide device described for a continuous casting mold, with an integrally formed Chill lift table brackets are attached, each via a spring element with a removable frame that can be placed on the base frame are connected. These brackets consist of a spring support together, which holds a straight leaf spring, on the one with the intermediate piece connected to the mold lifting table comes to rest.

Der Erfindung liegt die Aufgabe zugrunde, eine Einrichtung zum Stranggießen für Metall, insbesondere Stahl, mit Führungselementen zwischen dem Hubtisch und einem fest angeordneten Traggerüst zu versehen, die einfach, verschleißarm und wartungsfrei sind und die unabhängig von thermischen Dehnungen eine genaue Führung des Hubtisches gewährleisten. The invention has for its object a device for continuous casting for metal, especially steel, with guide elements between the lifting table and a fixed support structure to provide the simple, low-wear and maintenance-free and which are independent of thermal expansions ensure precise guidance of the lifting table.

Diese Aufgabe wird mit den Einrichtungen mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen sind in den Unteransprüchen offenbart.This task is accomplished with the facilities with the features of the claim 1 solved. Advantageous configurations are disclosed in the subclaims.

Der Kern der Erfindung liegt in der Ausbildung der Führungselemente als Lastausbalanciersystem, die neben der Aufnahme der Last in der Oszillationsrichtung ebenfalls die Belastungen in den Richtungen senkrecht dazu aufnehmen können. Ein erstes Lastausbalanciersystem ist in Form eines elastisches Federsystems ausgebildet. Dieses setzt sich aus zwei winklig zueinander angeordneten - vorzugsweise in einem Winkel von 90° - Federschenkeln zusammen, die sich jeweils senkrecht zur Oszillationsrichtung erstrecken, wobei die beiden Federschenkel stimmgabelförmig gestaltet sind und wobei die sich jeweils überlappenden oberen und unteren Enden der beiden Federschenkel die Auflagefläche für den Hubtisch bzw. die Verbindungsfläche mit dem festangeordneten Traggerüst bilden und das Federsystem neben der Kraft in Oszillationsrichtung Kräfte in den beiden zur Oszillationsschwingungsrichtung senkrechten Richtungen aufnimmt.The essence of the invention lies in the design of the guide elements as Load balancing system, which in addition to picking up the load in the direction of oscillation also the loads in the directions perpendicular to it be able to record. A first load balancing system is in the form of a elastic spring system. This is made up of two angled arranged in relation to each other - preferably at an angle of 90 ° - spring legs together, each perpendicular to the direction of oscillation extend, the two spring legs designed tuning fork-shaped are and where the overlapping upper and lower Ends of the two spring legs the support surface for the lifting table or form the connection surface with the fixed support structure and the spring system in addition to the force in the direction of oscillation forces in the two receives directions perpendicular to the direction of oscillation vibration.

Insgesamt wird durch insbesondere das Federsystem im Gegensatz zu den bekannten Wälz- und Gleitlagern eine wartungsfreie Lagerung des schwingenden Hubtisches auf einem Traggerüst gewährleistet. Die Führung ist spielfrei, weil außer der elastischen Verformung der Federn keine Änderung der Laufgeometrie stattfindet.Overall, the spring system is particularly opposed to the known rolling and plain bearings, maintenance-free storage of guaranteed swinging lifting table on a supporting frame. The leadership is free of play because, apart from the elastic deformation of the springs, none Change of barrel geometry takes place.

Nach einer ersten Ausführungsform sind die beiden stimmgabelförmig ausgebildeten Schenkel eines Federsystems einstückig und nach einer zweiten Ausführungsform zweistückig ausgebildet. Ein erster Außenteil wird mit dem Hubtisch, ein zweiter Außenteil mit dem Traggerüst verbunden. Das Federsystem kann durch Verschiebung der beiden unteren Schenkelteile justiert werden. Durch unterschiedliche Abmessungen der Blattfedern, die die Stimmgabel bilden, hinsichtlich ihrer Läng, Breite und Dicke ist zudem die Federung und die Laufgenauigkeit auf verschiedene Einsatzfäll anpaßbar.According to a first embodiment, the two are tuning fork-shaped trained leg of a spring system in one piece and after a second embodiment formed in two pieces. A first outer part is connected to the lifting table, a second outer part to the supporting frame. The spring system can be moved by moving the lower two Leg parts are adjusted. Due to different dimensions of the Leaf springs that form the tuning fork in terms of their length, width and Thickness is also the suspension and running accuracy on different Adaptable for use.

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der nachfolgenden Beschreibung: Hierbei zeigen:

Figur 1 mit
eine schematische Seitenansicht der Stranggießeinrichtung Hubtisch und Traggerüst;
Figur 2
eine schematische Seitenansicht der Stranggießeinrichtung mit Hubtisch und Traggerüst mit Führungssäulen;
Figur 3
die Vorderansicht der Stranggießeinrichtung mit Kokille, Hubtisch und Traggerüst;
Figur 4
die Draufsicht der Stranggießeinrichtung;
Figur 5
eine Seitenansicht eines einstückig geformten Federsystems;
Figur 6
die Draufsicht auf das Federsystem von Figur 5;
Figur 7
eine Seitenansicht eines zweistückig geformten Federsystems;
Figur 8
die Draufsicht des Federsystems nach Figur 7;
Figur 9
eine erste Ausführungsform eines zweistückig ausgebildeten Federschenkels eines Federsystems;
Figur 10
eine zweite Ausführungsform eines zweistückig ausgebildeten Federschenkels eines Federsystems.
Further details and advantages of the invention result from the claims and the following description:
Figure 1 with
a schematic side view of the continuous caster lifting table and support frame;
Figure 2
a schematic side view of the continuous caster with lifting table and support frame with guide columns;
Figure 3
the front view of the continuous caster with mold, lifting table and support frame;
Figure 4
the top view of the continuous caster;
Figure 5
a side view of an integral spring system;
Figure 6
the top view of the spring system of Figure 5;
Figure 7
a side view of a two-piece shaped spring system;
Figure 8
the top view of the spring system of Figure 7;
Figure 9
a first embodiment of a two-piece spring leg of a spring system;
Figure 10
a second embodiment of a two-piece spring leg of a spring system.

Die Stranggießeinrichtung 1 nach Figur 1 setzt sich aus einem zweigeteilten Traggerüst 2a, 2b mit zweigeteiltem Hubtisch 3a,3b zusammen, wobei der Hubtisch die Gießkokille (nicht gezeigt) aufnimmt, beispielsweise eine Kokille zum Gießen von Dünnbrammen. Aufgund der Seitenansicht ist jeweils nur das Traggerüstelement 2a und das Hubtischelement 3a gezeigt. Ein Hubtischelement weist eine L-förmige Grundform auf (vgl. Figur 3) und ist aus zwei zur Längsachse symmetrischen Teilen 31a, 32a aufgebaut. Das Hubtischelement 3a ist auf einem fest angeordneten Traggerüstelement 2a gelagert. Dieses nimmt einen Hubzylinder 4a auf, dessen Stößel 5a im Fußbereich 33a des Hubtisches 3a verankert ist. Das Hubtischelement 3a und somit die Kokille werden in eine oszillierende Bewegung versetzt.The continuous casting device 1 according to FIG. 1 is made up of two parts Support structure 2a, 2b with two-part lifting table 3a, 3b together, the lifting table receiving the casting mold (not shown), for example a mold for casting thin slabs. Based on the side view is only the scaffolding element 2a and the lifting table element 3a. A lifting table element has an L-shaped basic shape (cf. Figure 3) and is made of two parts 31a, 32a symmetrical to the longitudinal axis built up. The lifting table element 3a is arranged on a fixed Support frame element 2a stored. This receives a lifting cylinder 4a whose plunger 5a is anchored in the foot region 33a of the lifting table 3a. The Lift table element 3a and thus the mold are in an oscillating Moves.

Mittels Führungselementen in Form von Federsystemen 61a, 62a, 63a und 64a ist das Hubtischelement 3a an entsprechenden Teilen des Traggerüstes 2a gelagert. Am Fußbereich des Hubtischelementes 33a sind zwei Würfel 71a, 72a befestigt, die die Verbindung zwischen Hubtischelement und den Federsystemen 61 a, 62a bilden. Auf der anderen Seite sind die Federsysteme 63a, 64a ebenfalls mit dem Traggerüst 2 in Verbindung. Hierzu ist der Kopfbereich des Hubtischelementes mit zwei Vorsprüngen 81a, 82a versehen, die auf den Federsystemen 64a, 63a aufliegen. Die Federsysteme 64a, 63a werden von Teilen des Traggerüstes 2a gestützt, deren Aufbau hier nicht wieter dargestellt ist. By means of guide elements in the form of spring systems 61a, 62a, 63a and 64a is the lifting table element 3a on corresponding parts of the supporting structure 2a stored. At the foot area of the lifting table element 33a two cubes 71a, 72a attached to the connection between the lifting table element and form the spring systems 61 a, 62a. On the other hand the spring systems 63a, 64a also in connection with the support frame 2. For this purpose, the head region of the lifting table element has two projections 81a, 82a, which rest on the spring systems 64a, 63a. The Spring systems 64a, 63a are supported by parts of the supporting structure 2a, the structure of which is not shown here.

Die einzelnen Federsysteme 61a bis 64a setzen sich jeweils aus zwei Federschenkeln zusammen, die im rechten Winkel zueinander angeordnet sind. Der Federschenkel in Blickrichtung ist deshalb in der Seitenansicht nur als Punkt dargestellt. Jeweils ein Federschenkel ist entsprechend der Grundform einer Stimmgabel geformt. Zur Beschreibung des Federsystems wird auf die Detailfiguren 5 bis 10 verwiesen.The individual spring systems 61a to 64a each consist of two spring legs together, arranged at right angles to each other are. The spring leg in the direction of view is therefore in the side view only shown as a point. One spring leg is corresponding to the Basic shape of a tuning fork shaped. To describe the spring system reference is made to the detailed figures 5 to 10.

Figut 2 zeigt in der Seitenansicht die in Figur 1 nicht dargestellten Führungs- bzw. Traggsäulen 91a, 92a, deren kopfendige Flächen 101a, 102a mittels der Federsysteme 64a, 63a zur ausbalancierten Auflage der beiden Vorsprünge 81a, 82a des Hubtischelementes dienen. Die Bauhöhe der Führungssäulen 91a, 92a ist jeweils von der Höhe des Hubzylinders 4a und der der Kokille vorgegeben. Mit 111a, 112a sind Zuläufe für das Kühlwasser der Kokille bezeichnet.2 shows a side view of the guide not shown in FIG. or supporting columns 91a, 92a, the top-end surfaces 101a, 102a by means of the spring systems 64a, 63a for the balanced support of the two Protrusions 81a, 82a of the lifting table element serve. The overall height of the guide columns 91a, 92a is in each case from the height of the lifting cylinder 4a and that of the mold. With 111a, 112a are inlets for the Designated cooling water of the mold.

Figur 3 stellt eine Seitenansicht der Stranggießeinrichtung dar, die um 90° zu den Seitenansichten der Figuren 1 und 2 gedreht ist. Die jeweils zwei Traggerüstelemente 2a, 2b nehmen jeweils einen Zylinder 4a, 4b auf. Ein erstes und zweites L-förmiges Hubtischelement 3a, 3b sind, sich gegenüberliegend, beabstandet angeordnet und nehmen auf entsprechenden Auflageflächen 122a, 122b die Kokille 13 mit der Gießbreite Y auf. Unterhalb des Kokillenausgangs sind die ersten Segmente 142a, 142b dargestellt, d.h. die ersten Rollen zur Führung des Stranges mit erstarrter Schale nach Austritt aus der Kokille. Die beiden Hubtischelemente 3a, 3b sind schwingend mittels der Federsysteme 62a, 63a, 62b, 63b auf bzw. an den Traggerüstelementen 2a, 2b gelagert und geführt, wobei der obere Teil des Traggerüstelementes nicht dargestellt ist.Figure 3 shows a side view of the continuous caster, which is 90 ° to the side views of Figures 1 and 2 is rotated. The two each Support frame elements 2a, 2b each hold a cylinder 4a, 4b. On first and second L-shaped lifting table elements 3a, 3b are located opposite one another, spaced apart and take on corresponding Contact surfaces 122a, 122b on the mold 13 with the casting width Y. Below the first segments 142a, 142b of the mold outlet are shown, i.e. the first roles to guide the strand with solidified Shell after exiting the mold. The two lifting table elements 3a, 3b are swinging on and on by means of the spring systems 62a, 63a, 62b, 63b the scaffolding elements 2a, 2b stored and guided, the upper Part of the supporting structure element is not shown.

Jedes Hubtischelement 3a, 3b wird durch insgesamt vier Federsysteme gelagert und geführt, wobei die oberen (63a, 64a, 63b, 64b) zu den unteren (61a, 62a, 61b, 62b) Federsystemen versetzt zueinander angeordnet sind. Insgesamt wird somit ein optimal ausbalancierendes Lagerungs- und Führungssystem bereitgestellt. Es können nicht nur Kräfte in der Schwingungsrichtung, sondern auch in en Richtungen senkrecht hierzu aufgenommen werden. Eine Bewegung eines Federsystems wird sofort durch die drei anderen Federsysteme in der gleichen horizontalen Ebene oder durch die Federsysteme, die hierzu vertikal versetzt angeordet sind, kompensiert. Das Gesamtsystem wird somit stets nach einer äußeren Krafteinwirkung selbttätig in die Ausgangsstellung zurückschwingen.Each lifting table element 3a, 3b is supported by a total of four spring systems stored and guided, the upper (63a, 64a, 63b, 64b) to the lower (61a, 62a, 61b, 62b) spring systems arranged offset to each other are. All in all, an optimally balanced positioning and Guidance system provided. Not only forces in the direction of vibration, but also taken in directions perpendicular to it become. A movement of a spring system is immediately the three other spring systems in the same horizontal plane or compensated by the spring systems, which are vertically offset. The entire system is therefore always subjected to external forces automatically swing back to the starting position.

Die Draufsicht nach der Figur 4 verdeutlicht die versetzte Anordnung der einzelnen Federsysteme 61a, 62a zu 63a, 64a sowie 61b bis 64b auf der gegenüberliegenden Seite zur Lagerung eines Hubtischelementes . Das jeweilige Hubtischelement 3a, 3b wird durch das Traggerüst 2a, 2b sowie die Führungssäulen 91a, 92a bzw. 91b, 92b des Traggerüstes gestützt bzw. geführt. Die Auflageflächen der Kokille auf dem Hubtischelement sind mit A gekennzeichnet. Zum Hubtischelement mittig verläuft der jeweilige Hubzylinder 4a, 4b. Seitlich zu diesem verlaufen die Zuläufe 11a, 112a, 111b, 112b für das Kühlmedium zur Kühlung der Breitseite der Kokille.The top view according to FIG. 4 illustrates the staggered arrangement of the individual spring systems 61a, 62a to 63a, 64a and 61b to 64b on the opposite side for storage of a lifting table element. The respective lifting table element 3a, 3b is supported by the supporting structure 2a, 2b and the guide columns 91a, 92a and 91b, 92b of the supporting structure are supported or led. The contact surfaces of the mold on the lifting table element are marked with A. The respective runs in the middle of the lifting table element Lift cylinder 4a, 4b. Inlets 11a run to the side of this 112a, 111b, 112b for the cooling medium for cooling the broad side of the mold.

Bei Bedarf kann die Anzahl der Führungselemente in Form von Federsystemen zur optimalen Lastausbalancierung erhöht werden. Die Anordnung von zwei weiteren Federsystemen pro Hubtischelement ist mit einem X bezeichnet.If necessary, the number of guide elements in the form of spring systems be increased for optimum load balancing. The order of two further spring systems per lift table element is with an X designated.

Die Figuren 5 und 6 zeigen eine Seitenansicht sowie eine Draufsicht eines einstückig geformten Federsystems im Detail. Ein Federsystem besteht aus zwei Federschenkeln 201 und 202, die im rechten Winkel zueinander angeordnet sind. Jeweils ein Federschenkel 201, 202 ist bei dieser Ausführungsform mit einer einstückig U-förmig ausgebildeten Blattfeder, die somit einen oberen Teil 201 a, 202a und unteren Teil 201 b, 202b gebildet. Während die Breite B der Blattfeder einen geringeren Einfluß auf die Eigenschaften des Gesamtsystems aufweist, beeinflussen die Länge L und die Dicke D der einzelnen Blattfeder bzw. Zinke der geformten Stimmgabel die Eigenschaften des Gesamtfedersystems in einem größen Umfang. Bei Einsatz eier Gießkokille für Dünnbrammen empfehlen sich folgende Maße für das Federsystem: Breite B= 100 mm; Länge L mehr als 200 mm; Dicke D etwa 12 oder 14 mm. Der Abstand zwischen dem oberen und unteren Federteil 201a, 201b beträgt im nicht belasteten Zustand 20 mm ± 5 mm. Als Federwerkstoff empfiehlt sich ein rostfreier Federstahl.Figures 5 and 6 show a side view and a plan view of a one-piece spring system in detail. There is a spring system from two spring legs 201 and 202, which are at right angles to each other are arranged. One spring leg 201, 202 each is in this embodiment with a one-piece U-shaped leaf spring, the thus an upper part 201 a, 202a and lower part 201 b, 202b formed. While the width B of the leaf spring has less influence on the properties of the overall system, influence the length L and the thickness D of the individual leaf spring or prong of the shaped tuning fork the properties of the overall spring system to a large extent. The following are recommended when using a casting mold for thin slabs Dimensions for the spring system: width B = 100 mm; Length L more than 200 mm; Thickness D about 12 or 14 mm. The distance between the top and lower spring part 201a, 201b is 20 mm ± in the unloaded state 5 mm. A stainless spring steel is recommended as the spring material.

Die bei dieser Ausführungsform einstückig ausgebildeten Endstücke 211a, 211b, 212a des oberen bzw. unteren Teils der Federschenkel dienen als Auflagefläche für das jeweilige Hubtischelement bzw. Verbindungsfläche mit dem Traggerüst. In die Endstücke der Federschenkel ist eine Bohrung 213 eingebracht zur Aufnahme einer Schraubverbindung mit versenktem Schraubkopf, die eine lösbare Befestigung des Federsystems mit der Hubtischseite gewährleistet. Die unteren Teile der Federschenkel (201b, 202b (nicht gezeigt)) sind in ihrer Lage veränderlich und justierbar. Hierzu ist eine Bohrung 214 in die Endstücke 211b, 212b (nicht gezeigt) dieser Teile eingebracht. Die Justierung erfolgt durch gegenseitige Beeinflussung der Schraubbolzen. Mit den in Figur 6 aufgenommenen Pfeilen wird verdeutlicht, daß die zur Oszillationsrichtung senkrecht auftretenden Störkräfte K durch das vorgeschlagene Federsystem ausgeglichen werden können.The end pieces 211a formed in one piece in this embodiment, 211b, 212a of the upper and lower part of the spring legs serve as Support surface for the respective lifting table element or connecting surface with the supporting structure. A bore 213 is made in the end pieces of the spring legs Inclusion of a screw connection with a countersunk screw head, the one Detachable fastening of the spring system with the lifting table side guaranteed. The lower parts of the spring legs (201b, 202b (not shown)) are their position changeable and adjustable. For this purpose, a bore 214 in the end pieces 211b, 212b (not shown) of these parts are inserted. The Adjustment takes place through mutual influence of the bolts. With the arrows shown in Figure 6 it is made clear that the for Direction of oscillation vertically occurring interference forces K by the proposed Spring system can be compensated.

Im Vergleich hierzu ist in den Figuren 7 und 8 die Seiten- und Draufsicht einer zweistückig ausgebildeten Ausführungsform des Federsystems dargestellt. Die Endstücke der beiden Federschenkel werden miteinander veschraubt. Der erste Federschenkel 301 (hier nicht vollständig gezeigt) seztt sich aus einem oberen und unteren Teil 301a, 301b zusammen. Rechtwinklig zu diesem Schenkel 301 sind die beiden Teile 302a, 302b des zweiten Federschenkels 302 angeordnet. Mittels einer Schraubverbindung 303, die sich bis zum Boden des Teils 301a erstreckt, werden die Endstücke der Federschenkel miteinander verbunden. Analog werden die unteren Teile der beiden Federschenkel 301b und 302b durch eine Schraubverbindung 304 miteinander befestigt. Es ist zusätzlich ein Schlitten 305 zwischen den Teilen 301b und 302b vorgesehen, dessen eine Seitenfläche 305a mit einer weiteren Schraubverbindung 306 gegen das Endstück des unteren Teils 301b verschraubbar ist. Insgesamt ist damit der untere Teil des Federsystems in der mit dem Pfeil dargestellten Richtung verstellbar.In comparison to this, the side and top view is in FIGS. 7 and 8 a two-piece embodiment of the spring system shown. The end pieces of the two spring legs are together veschraubt. The first spring leg 301 (not fully shown here) is composed of an upper and lower part 301a, 301b. The two parts 302a, 302b are perpendicular to this leg 301 of the second spring leg 302. By means of a screw connection 303, which extends to the bottom of part 301a, become the End pieces of the spring legs connected together. They become analog lower parts of the two spring legs 301b and 302b by a Screw connection 304 fastened together. It is also a sled 305 is provided between parts 301b and 302b, one of which Side surface 305a with a further screw connection 306 against the End piece of the lower part 301b is screwable. Overall, that is the lower part of the spring system in the direction shown by the arrow adjustable.

Die Draufsicht der Figur 8 verdeutlicht, daß am unteren Bereich des Federsystems durch zwei Verstellschrauben 306 und 307 eine Justierung des Federsystems in zwei mit den Pfeilen angedeuteten Richtungen möglich ist. Die beiden Teile des Zwischenschlittens 30a, 305b liegen über Paßbleche 306a, 306b an den entsprechenden Endstücken an. Insgesamt ist bei dieser Ausführungsform mit den oben angegebenen konkreten Bauteilmaßen mit einer Länge von 200 bis 220 mm und einer Dicke von von 12 bzw. 14 mm ein Hub von ± 5 mm ausgleichbar. Der Verschiebeweg auf der Justierseite liegt ebenfalls bei ± 5 mm.The top view of Figure 8 illustrates that at the bottom of the spring system an adjustment by means of two adjusting screws 306 and 307 of the spring system possible in two directions indicated by the arrows is. The two parts of the intermediate slide 30a, 305b are above Fitting plates 306a, 306b on the corresponding end pieces. All in all is in this embodiment with the concrete specified above Component dimensions with a length of 200 to 220 mm and a thickness of A stroke of ± 5 mm can be compensated by 12 or 14 mm. The displacement route on the adjustment side is also ± 5 mm.

Figur 9 zeigt eine Ausführungsform eines Federschenkels es Federsystems, wobei der Federschenkel nicht aus einer gebogenen Feder, sondern aus zwei Federelementen besteht. Die beiden Federelemente 401 und 402 sind mittels Distanzstücken 403a, 403b voneinander beabstandet und mit einer Schraubverbindung 404 lösbar miteinander verbunden. Nach einer zweiten Ausführungsform (Figur 10) können die Distanzstücke eingspart werden, indem bereits das obere Federelement 501 mit einem entsprechenden Brückenelement 503 einstückig hergestellt wird. Eine lösbare Verbindung schafft wieder eine Schraubverbindung.FIG. 9 shows an embodiment of a spring leg of the spring system, the spring leg not from a curved spring, but consists of two spring elements. The two spring elements 401 and 402 are spaced apart by spacers 403a, 403b and releasably connected to one another with a screw connection 404. According to a second embodiment (Figure 10), the spacers can be saved by already using the upper spring element 501 with a corresponding bridge element 503 is made in one piece. A detachable Connection creates a screw connection again.

Claims (6)

  1. Equipment for continuous casting of metal, particularly steel, comprising a stroke table which can be driven to oscillate by means of a drive unit, a continuous casting mould received by the stroke table as well as a fixedly arranged support structure which is provided with guide elements or mounting elements for the stroke table, characterised in that a guide or mounting element of that kind is a resilient spring system (61a to 64a, 61b to 64b) which is composed of two spring limbs (201, 202; 301, 302) which are arranged at an angle relative to one another and which each extend perpendicularly relative to the direction of oscillation, wherein the two spring limbs are formed to be of tuning fork shape and wherein the respective overlapping upper and lower ends (211a, 211b, 212a, 212b; 311a, 311b, 312a, 312b) of the two spring limbs form the support surface for the stroke table (3a, 3b) or the connecting surface with the fixedly arranged support structure (2a, 2b) and the spring system provides compensation, by load balancing, not only for the force in direction of oscillation, but also for disturbing forces in directions perpendicular to the oscillation swing direction.
  2. Equipment according to claim 1, characterised in that the spring system consisting of the two spring limbs is formed to be of one part or of two parts.
  3. Equipment according to claim 1 or 2, characterised in that the respective spring limb consists of a leaf spring (201, 202, 301, 302) bent to be U-shaped or of two leaf spring elements (401, 402; 501, 502) detachably connected together at the free ends thereof.
  4. Equipment according to claim 1, characterised in that the spring system can be fixedly locked at the stroke table and is arranged at the support frame to be adjustable.
  5. Equipment according to claim 1, characterised in that the stroke table is composed of two stroke table elements (3a, 3b) which are each drivable to oscillate by means of a respective drive unit (4a, 4b) and wherein the two stroke table elements, which are arranged at a spacing from one another, receive the continuous casting mould (13) in such a manner that it extends between these and the strip is withdrawn between the two stroke table elements (3a, 3b), and the support frame is similarly composed of two support structure elements (2a, 2b) each for receiving a respective stroke table element.
  6. Equipment according to claim 5, characterised in that each stroke table element (3a, 3b) is provided with four spring systems (61a to 64a; 61b to 64b) for load balancing, wherein the foot region of the stroke table element (33a, 33b) rests by way of two connecting elements (71a, 72a; 71b, 72b) on two spring systems and the stroke table element has at the head end two projections (81a, 82a) which come to rest on the two other spring systems, wherein the spring systems are arranged to be offset relative to one another.
EP00958434A 1999-08-28 2000-08-11 Device for the continuous casting of metal Expired - Lifetime EP1216113B1 (en)

Applications Claiming Priority (3)

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DE19940997A DE19940997A1 (en) 1999-08-28 1999-08-28 Device for the continuous casting of metal
DE19940997 1999-08-28
PCT/EP2000/007857 WO2001015834A1 (en) 1999-08-28 2000-08-11 Device for the continuous casting of metal

Publications (2)

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EP1216113A1 EP1216113A1 (en) 2002-06-26
EP1216113B1 true EP1216113B1 (en) 2003-07-02

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US (1) US6715537B1 (en)
EP (1) EP1216113B1 (en)
JP (1) JP2003508226A (en)
KR (1) KR100668275B1 (en)
CN (1) CN1187145C (en)
AT (1) ATE244082T1 (en)
BR (1) BR0013679A (en)
CA (1) CA2383508A1 (en)
DE (2) DE19940997A1 (en)
MX (1) MXPA02002160A (en)
TW (1) TW452513B (en)
WO (1) WO2001015834A1 (en)

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EP1998912B2 (en) † 2006-02-24 2014-02-19 DANIELI & C. OFFICINE MECCANICHE S.p.A. Oscillating table

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JP6522362B2 (en) * 2015-02-19 2019-05-29 スチールプランテック株式会社 Mold vibrator
CN105041960B (en) * 2015-06-15 2021-03-12 株洲时代新材料科技股份有限公司 Shock absorber comprising an adjustment platform

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EP1216113A1 (en) 2002-06-26
DE50002761D1 (en) 2003-08-07
KR100668275B1 (en) 2007-01-12
MXPA02002160A (en) 2002-10-31
US6715537B1 (en) 2004-04-06
JP2003508226A (en) 2003-03-04
TW452513B (en) 2001-09-01
CN1187145C (en) 2005-02-02
CA2383508A1 (en) 2001-03-08
ATE244082T1 (en) 2003-07-15
KR20020063848A (en) 2002-08-05
BR0013679A (en) 2002-05-07
WO2001015834A1 (en) 2001-03-08
DE19940997A1 (en) 2001-03-01
CN1371312A (en) 2002-09-25

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