EP3525956B1 - Protective device and method for holding a casting stream protective pipe - Google Patents

Protective device and method for holding a casting stream protective pipe Download PDF

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Publication number
EP3525956B1
EP3525956B1 EP17794675.3A EP17794675A EP3525956B1 EP 3525956 B1 EP3525956 B1 EP 3525956B1 EP 17794675 A EP17794675 A EP 17794675A EP 3525956 B1 EP3525956 B1 EP 3525956B1
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EP
European Patent Office
Prior art keywords
casting
bearing ring
pouring
attached
protective
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.)
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EP17794675.3A
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German (de)
French (fr)
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EP3525956A1 (en
Inventor
Heinz-Werner Biegner
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Reinguss SRO
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Reinguss SRO
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Publication date
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Priority to PL17794675T priority Critical patent/PL3525956T3/en
Priority to SI201730798T priority patent/SI3525956T1/en
Priority to RS20210733A priority patent/RS62265B1/en
Publication of EP3525956A1 publication Critical patent/EP3525956A1/en
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Publication of EP3525956B1 publication Critical patent/EP3525956B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/50—Pouring-nozzles
    • B22D41/56—Means for supporting, manipulating or changing a pouring-nozzle
    • 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
    • B22D11/10—Supplying or treating molten metal
    • 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
    • B22D11/10—Supplying or treating molten metal
    • B22D11/106—Shielding the molten jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/08—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like for bottom pouring

Definitions

  • the invention relates first of all to a protective device for a pouring jet emerging from a pouring device, with a pouring jet protection tube and with a bearing ring which surrounds the pouring jet protection tube at an upper inlet end, a collar of the pouring jet protection tube rests on the bearing ring, and with a fastening means for the bearing ring which is attached to the casting device, wherein a spring element presses the bearing ring against the pouring cone.
  • the invention also relates to a method for holding a pouring jet protection tube on a casting device, a bearing ring encompassing the pouring jet protection tube at an upper inlet end and a collar of the pouring jet protection tube resting on the bearing ring, and wherein the bearing ring with the pouring jet protection tube is fastened to a fastening means by means of a handling device , which is attached to the casting device that a spring element presses the bearing ring against the pouring cone.
  • the pouring stream emerging from the pouring ladle is encased in a ceramic pouring stream protection tube.
  • the pouring jet protection tube is attached to the pouring cone immediately before pouring, rinsed with oxygen after pouring and reused several times.
  • a protective device and a method of the type mentioned in the introduction are known from, for example AT 514848 A1 :
  • the bearing ring of the pouring jet protection tube is inserted into a holder via a bayonet lock, which in turn is pressed against the pouring device by means of helical springs.
  • WO 2015/055569 A1 and US 2010/0244335 A1 disclose further adapters for attaching a pouring jet protection tube to a pouring cone under spring force.
  • the closing and opening of the bayonet lock requires a high-precision rotation of the bearing ring with the pouring jet protection tube around a vertical axis.
  • the invention is based on the object of simplifying the handling of the protective device.
  • the spring element be attached to the bearing ring in an articulated manner and displaceable in a longitudinal direction and displaced in the longitudinal direction and attached to the fastening means in such a way that it presses the bearing ring against the pouring cone (28).
  • the displaceable spring element takes over the holding function of the handling device during casting. There is no need for complex control and monitoring of the handling device during casting. The handling of the protective device is thus significantly simplified.
  • the fastening means which are individually adapted to the casting device according to the invention, enable the same spring element to be used on different casting devices.
  • the fastening means is preferably attached to a ladle slide under the pouring cone.
  • the ladle slide has sufficient stability to support the pouring jet protection tube.
  • the fastening means can be attached to the casting device, for example with a separate support structure.
  • a protective device preferably has an adapter on the handling device which receives the bearing ring.
  • the use of an adapter that is individually adapted to the handling device enables the same fastening means to be used with different handling devices.
  • Such a protective device according to the invention preferably has a conical receiving element on the adapter, on which the bearing ring can pass Dead weight is centered.
  • a conical receiving element on the adapter, on which the bearing ring can pass Dead weight is centered.
  • Such conical, in particular pyramid-shaped receiving elements are known on agricultural vehicles, for example on tractors, and allow attachments to be changed quickly - here: the pouring jet protection tube.
  • a protective device preferably has a drive by means of which the spring element can be fastened to the casting device.
  • the drive can in particular have one or more hydraulic, pneumatic or mechanical cylinders. Such a drive eliminates the need to manually fasten the spring element directly to the casting device in the high-risk area.
  • a protective device preferably has a releasable bolt which prevents the bearing ring from becoming detached from the handling device.
  • Such bolts are also known on agricultural vehicles and prevent the unintentional detachment of an attachment - here: the pouring jet protection tube - from the receiving element.
  • the spring element be attached to the bearing ring (1) in an articulated manner and displaceable in a longitudinal direction and displaced in the longitudinal direction (7) and attached to the fastening means in such a way that it attaches the bearing ring (1 ) pressed against the pouring cone (28).
  • the method according to the invention likewise has the advantages of the protective device according to the invention.
  • a method for operating a pouring device is proposed, with a pouring jet protection tube being held by the pouring cone before the pouring process on the pouring device and, after the spring element has been fastened, the handling device is detached from the bearing ring, the bearing ring with the pouring jet protection pipe on the pouring device during pouring remains held and after the pouring the handling device releases the bearing ring with the pouring jet protection tube from the pouring device.
  • the handling device is like this during the pouring process not part of the protective device. The effort for control and monitoring is significantly reduced and the handling device can even be used elsewhere during casting - for example on a different casting device.
  • the in Figure 1a The bearing ring 1 shown has an upwardly open, circumferentially closed receiving funnel 2 for a (only in the Fig. 3ff . shown) pouring jet protection tube 3.
  • a downwardly open, pyramidal conical recess 4 is formed on the circumference of the receiving funnel 2.
  • the bearing ring 1 has a radial blind hole 5.
  • a rectangularly curved spring element 6 made of spring steel is attached in an articulated manner and displaceable in the longitudinal direction 7.
  • the adapter 8 shown has at the rear end 9 of a square tubular carrier 10 a flange plate 11 for attachment to a handling device (not shown) and at the front end 12 a pyramid-shaped conical receiving element 13, matching the recess 4 on the bearing ring 1.
  • the adapter 8 has two guide elements 14 attached to the carrier 10 on both sides.
  • the guide elements 14 each have an upwardly open groove 15, are connected to a bolt 16 and are attached to the carrier 10 by means of two electromechanical cylinders 17 about a pivot axis 18 pivotable.
  • In the hollow carrier 10 there is also a (only in the sectional view in Figure 3 visible) bolt 19 attached longitudinally displaceable.
  • the adapter 8 mounted on a handling device (pouring device and handling device are not shown) is first guided with the receiving element 13 into the recess 4 and the bolt 19 into the blind hole 5 of the bearing ring 1 moved.
  • the bearing ring 1 is firmly connected to the adapter 8 in this way.
  • the fastening means 20 shown has a rectangular carrier plate 21 with a central bore 22 and on the underside 23 a double hook 24 at the front and a single hook 25 at the rear, each of which is open to the rear.
  • the double hooks 24 and the single hook 25 each have an upwardly rising guide surface 26 and the single hook 25 has a latching groove 27 transverse to the guide surface 26.
  • the fastening means 20 is attached to the pouring device in such a way that a (only in the Fig. 3ff . illustrated) pouring cone 28 penetrates the central bore 22.
  • the fastening means 20 can be screwed onto a ladle slide (not shown) of the casting device.
  • the Figures 3 and 4 a to e show the pouring jet protection tube 3 attached to the pouring cone 28 and the adapter 8 in a position shortly after Latching of the rear 30 of the spring element 6 in the locking groove 27 on the fastening means 20:
  • the spring element 6 is supported on the double hook 24 and the single hook 25 of the fastening means 20 downwards and on the pouring cone 28 upwards and is thus supported between the fastening means 20 and the
  • the pouring cone 28 is braced so that it presses the bearing ring 1 and thus the pouring jet protection tube 3 upwards onto the pouring cone 28.
  • the spring element 6 compensates for wear on the pouring jet protection tube 3 by tracking over a vertical spring travel 31 of up to several centimeters.
  • the bolt 19 in the adapter 8 is first withdrawn from the blind hole 5 of the bearing ring 1 and the bearing ring 1 is thus released from the adapter 8.
  • the adapter 8 is now removed downward from the recess 4 on the bearing ring 1 by means of the handling device.
  • the adapter 8 with its receiving element 13 is reinserted into the recess 4 on the bearing ring 1 in the opposite direction by means of the handling device and firmly connected to the bearing ring 1 by means of the bolt 19. Then, by means of the guide elements 14, the spring element 6 is pulled from the double hooks 24 and the single hook 25 and thus the bearing ring 1 with the pouring jet protection tube 3 is detached from the fastening means 20 and the pouring device.
  • the bearing ring 1 with the pouring jet protection tube 3 is removed from the pouring cone 28 downwards and moved by means of the handling device to a further processing station, at which the pouring jet protection tube 3 is cleaned of slag with oxygen and, if necessary, replaced and finally sent back to the pouring device for another pouring guided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Support Of The Bearing (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Description

Die Erfindung betrifft zunächst eine Schutzvorrichtung für einen aus einer Gießvorrichtung austretenden Gießstrahl, mit einem Gießstrahlschutzrohr und mit einem Lagerring, der das Gießstrahlschutzrohr an einem oberen Einlaufende umgreift, wobei ein Kragen des Gießstrahlschutzrohres auf dem Lagerring aufliegt, sowie mit einem Befestigungsmittel für den Lagerring, das an der Gießvorrichtung angebracht ist, wobei ein Federelement den Lagerring an den Gießkonus presst. Die Erfindung betrifft weiterhin ein Verfahren zum Haltern eines Gießstrahlschutzrohres an einer Gießvorrichtung, wobei ein Lagerring das Gießstrahlschutzrohr an einem oberen Einlaufende umgreift und ein Kragen des Gießstrahlschutzrohres auf dem Lagerring aufliegt, und wobei der Lagerring mit dem Gießstrahlschutzrohr mittels einer Handhabungseinrichtung derart an einem Befestigungsmittel befestigt wird, das an der Gießvorrichtung angebracht ist, dass ein Federelement den Lagerring an den Gießkonus presst.The invention relates first of all to a protective device for a pouring jet emerging from a pouring device, with a pouring jet protection tube and with a bearing ring which surrounds the pouring jet protection tube at an upper inlet end, a collar of the pouring jet protection tube rests on the bearing ring, and with a fastening means for the bearing ring which is attached to the casting device, wherein a spring element presses the bearing ring against the pouring cone. The invention also relates to a method for holding a pouring jet protection tube on a casting device, a bearing ring encompassing the pouring jet protection tube at an upper inlet end and a collar of the pouring jet protection tube resting on the bearing ring, and wherein the bearing ring with the pouring jet protection tube is fastened to a fastening means by means of a handling device , which is attached to the casting device that a spring element presses the bearing ring against the pouring cone.

Beim Stranggießen von Stahl wird der aus der Gießpfanne austretende Gießstrahl von einem keramischen Gießstrahlschutzrohr umhüllt. Das Gießstrahlschutzrohr wird unmittelbar vor dem Abguss an den Gießkonus angesetzt, nach dem Abguss mit Sauerstoff gespült und mehrere Male wiederverwendet.In the continuous casting of steel, the pouring stream emerging from the pouring ladle is encased in a ceramic pouring stream protection tube. The pouring jet protection tube is attached to the pouring cone immediately before pouring, rinsed with oxygen after pouring and reused several times.

Eine Schutzvorrichtung und ein Verfahren der einleitend genannten Art sind beispielsweise bekannt aus AT 514848 A1 : Der Lagerring des Gießstrahlschutzrohr wird hier über einen Bajonettverschluss in eine Halterung eingesetzt, die ihrerseits mittels Schraubenfedern an die Gießvorrichtung angepresst wird.A protective device and a method of the type mentioned in the introduction are known from, for example AT 514848 A1 : The bearing ring of the pouring jet protection tube is inserted into a holder via a bayonet lock, which in turn is pressed against the pouring device by means of helical springs.

WO 2015/055569 A1 und US 2010/0244335 A1 offenbaren weitere Adapter, um ein Giessstrahlschutzrohr unter Federkraft an einem Gießkonus anzubringen. WO 2015/055569 A1 and US 2010/0244335 A1 disclose further adapters for attaching a pouring jet protection tube to a pouring cone under spring force.

Das Schließen und Öffnen des Bajonettverschlusses erfordert eine hochpräzise Rotation des Lagerrings mit dem Gießstrahlschutzrohr um eine vertikale Achse.The closing and opening of the bayonet lock requires a high-precision rotation of the bearing ring with the pouring jet protection tube around a vertical axis.

Aufgabetask

Der Erfindung liegt die Aufgabe zugrunde, die Handhabung der Schutzvorrichtung zu vereinfachen.The invention is based on the object of simplifying the handling of the protective device.

Lösungsolution

Ausgehend von der bekannten Schutzvorrichtung wird nach der Erfindung vorgeschlagen, dass das Federelement an dem Lagerring gelenkig und in einer Längsrichtung verschiebbar angebracht ist und derart in der Längsrichtung verschoben und an dem Befestigungsmittel befestigt wird, dass es den Lagerring an den Gießkonus (28) presst. In der erfindungsgemäßen Schutzvorrichtung übernimmt gegenüber dem bekannten Stand der Technik das verschiebbare Federelement während des Abgusses die Halterungsfunktion der Handhabungseinrichtung. Die aufwändige Steuerung und Überwachung der Handhabungseinrichtung während des Abgusses entfällt. Die Handhabung der Schutzvorrichtung ist damit signifikant vereinfacht. Das erfindungsgemäß an die Gießvorrichtung individuell angepasste Befestigungsmittel ermöglicht die Nutzung desselben Federelements an unterschiedlichen Gießvorrichtungen.Based on the known protective device, it is proposed according to the invention that the spring element be attached to the bearing ring in an articulated manner and displaceable in a longitudinal direction and displaced in the longitudinal direction and attached to the fastening means in such a way that it presses the bearing ring against the pouring cone (28). In the protective device according to the invention, compared to the known prior art, the displaceable spring element takes over the holding function of the handling device during casting. There is no need for complex control and monitoring of the handling device during casting. The handling of the protective device is thus significantly simplified. The fastening means, which are individually adapted to the casting device according to the invention, enable the same spring element to be used on different casting devices.

Vorzugsweise ist in einer erfindungsgemäßen Schutzvorrichtung das Befestigungsmittel an einem Pfannenschieber unter dem Gießkonus angebracht. Der Pfannenschieber weist eine ausreichende Stabilität auf, um das Gießstrahlschutzrohr zu tragen. Alternativ kann das Befestigungsmittel beispielsweise mit einer getrennten Tragkonstruktion an der Gießvorrichtung angebracht sein.In a protective device according to the invention, the fastening means is preferably attached to a ladle slide under the pouring cone. The ladle slide has sufficient stability to support the pouring jet protection tube. Alternatively, the fastening means can be attached to the casting device, for example with a separate support structure.

Vorzugsweise weist eine erfindungsgemäße Schutzvorrichtung an der Handhabungseinrichtung einen Adapter auf, der den Lagerring aufnimmt. Die Verwendung eines an die Handhabungseinrichtung individuell angepassten Adapters ermöglicht die Nutzung desselben Befestigungsmittels mit unterschiedlichen Handhabungseinrichtungen.A protective device according to the invention preferably has an adapter on the handling device which receives the bearing ring. The use of an adapter that is individually adapted to the handling device enables the same fastening means to be used with different handling devices.

Vorzugsweise weist eine solche erfindungsgemäße Schutzvorrichtung an dem Adapter ein konisches Aufnahmeelement auf, auf dem der Lagerring durch sein Eigengewicht zentriert wird. Solche konischen, insbesondere pyramidenförmigen Aufnahmeelemente sind an landwirtschaftlichen Fahrzeugen, beispielsweise an Traktoren bekannt und ermöglichen den schnellen Wechsel von Anbaugeräten - hier: des Gießstrahlschutzrohres.Such a protective device according to the invention preferably has a conical receiving element on the adapter, on which the bearing ring can pass Dead weight is centered. Such conical, in particular pyramid-shaped receiving elements are known on agricultural vehicles, for example on tractors, and allow attachments to be changed quickly - here: the pouring jet protection tube.

Vorzugsweise weist eine erfindungsgemäße Schutzvorrichtung einen Antrieb auf, mittels dessen das Federelement an der Gießvorrichtung befestigbar ist. Der Antrieb kann insbesondere eine oder mehrere hydraulische, pneumatische oder mechanische Zylinder aufweisen. Ein solcher Antrieb erübrigt die manuelle Befestigung des Federelements im Hochrisikobereich unmittelbar an der Gießvorrichtung.A protective device according to the invention preferably has a drive by means of which the spring element can be fastened to the casting device. The drive can in particular have one or more hydraulic, pneumatic or mechanical cylinders. Such a drive eliminates the need to manually fasten the spring element directly to the casting device in the high-risk area.

Vorzugsweise weist eine erfindungsgemäße Schutzvorrichtung einen lösbaren Riegel auf, der ein Lösen des Lagerrings von der Handhabungseinrichtung verhindert. Auch solche Riegel sind an landwirtschaftlichen Fahrzeugen bekannt und verhindern das unbeabsichtigte Lösen eines Anbaugerätes - hier: des Gießstrahlschutzrohres - von dem Aufnahmeelement.A protective device according to the invention preferably has a releasable bolt which prevents the bearing ring from becoming detached from the handling device. Such bolts are also known on agricultural vehicles and prevent the unintentional detachment of an attachment - here: the pouring jet protection tube - from the receiving element.

Ausgehend von dem bekannten Verfahren wird nach der Erfindung vorgeschlagen, dass das Federelement an dem Lagerring (1) gelenkig und in einer Längsrichtung verschiebbar angebracht ist und derart in der Längsrichtung (7) verschoben und an dem Befestigungsmittel befestigt wird, dass es den Lagerring (1) an den Gießkonus (28) presst. Das erfindungsgemäße Verfahren weist gleichermaßen die Vorteile der erfindungsgemäßen Schutzvorrichtung auf.Based on the known method, it is proposed according to the invention that the spring element be attached to the bearing ring (1) in an articulated manner and displaceable in a longitudinal direction and displaced in the longitudinal direction (7) and attached to the fastening means in such a way that it attaches the bearing ring (1 ) pressed against the pouring cone (28). The method according to the invention likewise has the advantages of the protective device according to the invention.

Weiterhin wird nach der Erfindung ein Verfahren zum Betreiben einer Gießvorrichtung vorgeschlagen, wobei vor Abguss durch den Gießkonus ein Gießstrahlschutzrohr erfindungsgemäß an der Gießvorrichtung gehalten und nach Befestigen des Federelements die Handhabungseinrichtung von dem Lagerring gelöst wird, der Lagerring mit dem Gießstrahlschutzrohr während des Abgusses an der Gießvorrichtung gehalten bleibt und nach dem Abguss die Handhabungseinrichtung den Lagerring mit dem Gießstrahlschutzrohr von der Gießvorrichtung löst. Die Handhabungseinrichtung ist so während des Abgusses nicht Teil der Schutzvorrichtung. Der Aufwand für Steuerung und Überwachung sinkt signifikant und die Handhabungseinrichtung kann sogar während des Abgusses anderweitig - beispielsweise an einer anderen Gießvorrichtung - eingesetzt werden.Furthermore, according to the invention, a method for operating a pouring device is proposed, with a pouring jet protection tube being held by the pouring cone before the pouring process on the pouring device and, after the spring element has been fastened, the handling device is detached from the bearing ring, the bearing ring with the pouring jet protection pipe on the pouring device during pouring remains held and after the pouring the handling device releases the bearing ring with the pouring jet protection tube from the pouring device. The handling device is like this during the pouring process not part of the protective device. The effort for control and monitoring is significantly reduced and the handling device can even be used elsewhere during casting - for example on a different casting device.

AusführungsbeispielEmbodiment

Die Erfindung wird nachfolgend anhand eines Ausführungsbeispiels erläutert. Es zeigen

  • Fig. 1a/b einen Lagerring und einen Adapter einer erfindungsgemäßen Schutzvorrichtung,
  • Fig. 2a/b ein Befestigungselement und den am Adapter aufgenommenen Lagerring der erfindungsgemäßen Schutzvorrichtung und
  • Fig. 3 und 4a - e die montierte erfindungsgemäße Schutzvorrichtung.
The invention is explained below using an exemplary embodiment. Show it
  • Fig. 1a / b a bearing ring and an adapter of a protective device according to the invention,
  • Fig. 2a / b a fastening element and the bearing ring of the protective device according to the invention received on the adapter and
  • Fig. 3 and 4a-e the assembled protective device according to the invention.

Der in Figur 1a gezeigte Lagerring 1 weist einen nach oben offenen, im Umfang geschlossenen Aufnahmetrichter 2 für ein (erst in den Fig. 3ff. dargestelltes) Gießstrahlschutzrohr 3 auf. Am Umfang des Aufnahmetrichters 2 ist eine nach unten offene, pyramidenförmig konische Ausnehmung 4 ausgebildet. In der Ausnehmung 4 weist der Lagerring 1 eine radiale Sackbohrung 5 auf. An der Oberseite des Aufnahmetrichters 2 ist ein rechteckig gebogenes Federelement 6 aus Federstahl gelenkig und in Längsrichtung 7 verschiebbar angebracht.The in Figure 1a The bearing ring 1 shown has an upwardly open, circumferentially closed receiving funnel 2 for a (only in the Fig. 3ff . shown) pouring jet protection tube 3. A downwardly open, pyramidal conical recess 4 is formed on the circumference of the receiving funnel 2. In the recess 4, the bearing ring 1 has a radial blind hole 5. On the upper side of the receiving funnel 2, a rectangularly curved spring element 6 made of spring steel is attached in an articulated manner and displaceable in the longitudinal direction 7.

Der in Figur 1b gezeigte Adapter 8 weist am hinteren Ende 9 eines vierkantrohrförmigen Trägers 10 eine Flanschplatte 11 zum Anbringen an eine nicht dargestellte Handhabungseinrichtung und am vorderen Ende 12 ein pyramidenförmig konisches Aufnahmeelement 13, passend zu der Ausnehmung 4 am Lagerring 1 auf.The in Figure 1b The adapter 8 shown has at the rear end 9 of a square tubular carrier 10 a flange plate 11 for attachment to a handling device (not shown) and at the front end 12 a pyramid-shaped conical receiving element 13, matching the recess 4 on the bearing ring 1.

Der Adapter 8 weist zwei zu beiden Seiten an dem Träger 10 angebrachte Führungselemente 14 auf. Die Führungselemente 14 weisen jeweils eine nach oben offene Nut 15 auf, sind mit einem Bolzen 16 verbunden und mittels zweier elektromechanischer Zylinder 17 um eine Schwenkachse 18 an dem Träger 10 schwenkbar. In dem hohlen Träger 10 ist zudem ein (nur in der geschnittenen Ansicht in Figur 3 sichtbarer) Riegel 19 längs verschiebbar angebracht.The adapter 8 has two guide elements 14 attached to the carrier 10 on both sides. The guide elements 14 each have an upwardly open groove 15, are connected to a bolt 16 and are attached to the carrier 10 by means of two electromechanical cylinders 17 about a pivot axis 18 pivotable. In the hollow carrier 10 there is also a (only in the sectional view in Figure 3 visible) bolt 19 attached longitudinally displaceable.

Um ein in dem Lagerring 1 aufgenommenes Gießstrahlschutzrohr 3 an einer Gießvorrichtung zu haltern, wird zunächst der an einer Handhabungseinrichtung montierte Adapter 8 (Gießvorrichtung und Handhabungseinrichtung sind nicht dargestellt.) mit dem Aufnahmeelement 13 in die Ausnehmung 4 geführt und der Riegel 19 in die Sackbohrung 5 des Lagerrings 1 verschoben. Der Lagerring 1 ist so mit dem Adapter 8 fest verbunden.In order to hold a pouring jet protection tube 3 accommodated in the bearing ring 1 on a pouring device, the adapter 8 mounted on a handling device (pouring device and handling device are not shown) is first guided with the receiving element 13 into the recess 4 and the bolt 19 into the blind hole 5 of the bearing ring 1 moved. The bearing ring 1 is firmly connected to the adapter 8 in this way.

Das in Figur 2a gezeigte Befestigungsmittel 20 weist eine rechteckige Trägerplatte 21 mit einer zentralen Bohrung 22 und an der Unterseite 23 vorn einem Doppelhaken 24 und hinten einem einzelnen Haken 25, die jeweils nach hinten geöffnet sind. Die Doppelhaken 24 und der einzelne Haken 25 weisen jeweils eine nach oben ansteigende Führungsfläche 26 und der einzelne Haken 25 eine Rastnut 27 quer zu der Führungsfläche 26 auf.This in Figure 2a The fastening means 20 shown has a rectangular carrier plate 21 with a central bore 22 and on the underside 23 a double hook 24 at the front and a single hook 25 at the rear, each of which is open to the rear. The double hooks 24 and the single hook 25 each have an upwardly rising guide surface 26 and the single hook 25 has a latching groove 27 transverse to the guide surface 26.

Um das Gießstrahlschutzrohr 3 an der Gießvorrichtung zu haltern, wird das Befestigungsmittel 20 derart an der Gießvorrichtung angebracht, dass ein (erst in den Fig. 3ff. dargestellter) Gießkonus 28 dessen zentrale Bohrung 22 durchdringt. Insbesondere kann das Befestigungsmittel 20 an einem (nicht dargestellten) Pfannenschieber der Gießvorrichtung angeschraubt werden.In order to hold the pouring jet protection tube 3 on the pouring device, the fastening means 20 is attached to the pouring device in such a way that a (only in the Fig. 3ff . illustrated) pouring cone 28 penetrates the central bore 22. In particular, the fastening means 20 can be screwed onto a ladle slide (not shown) of the casting device.

Der - wie in Figur 2b und 3 gezeigt - an dem Adapter 8 aufgenommene Lagerring 1 mit dem Gießstrahlschutzrohr 3 wird mittels der Handhabungseinrichtung an den Gießkonus 28 angesetzt. Das Federelement 6 ist hierbei zunächst in der Längsrichtung 7 vor den Doppelhaken 24 und den Haken 25 positioniert und liegt in den Nuten 15 der Führungselemente 14 ein. Es wird mittels der Führungselemente 14 über die Führungsflächen 26 mit seiner Vorderseite 29 auf die Doppelhaken 24 und mit seiner Hinterseite 30 auf den einzelnen Haken 25 geschoben, bis es in der Rastnut 27 einrastet.The - as in Figure 2b and 3 shown - the bearing ring 1 received on the adapter 8 with the pouring jet protection tube 3 is attached to the pouring cone 28 by means of the handling device. The spring element 6 is initially positioned in the longitudinal direction 7 in front of the double hook 24 and the hook 25 and lies in the grooves 15 of the guide elements 14. It is pushed by means of the guide elements 14 over the guide surfaces 26 with its front side 29 onto the double hooks 24 and with its rear side 30 onto the individual hooks 25 until it engages in the locking groove 27.

Die Figuren 3 und 4 a bis e zeigen das an den Gießkonus 28 angesetzte Gießstrahlschutzrohr 3 und den Adapter 8 in einer Stellung kurz nach dem Einrasten der Hinterseite 30 des Federelements 6 in der Rastnut 27 an dem Befestigungsmittel 20: Das Federelement 6 ist an den Doppelhaken 24 und dem einzelnen Haken 25 des Befestigungsmittels 20 nach unten und an dem Gießkonus 28 nach oben abgestützt und derart zwischen dem Befestigungsmittel 20 und dem Gießkonus 28 verspannt, dass es den Lagerring 1 und damit das Gießstrahlschutzrohr 3 nach oben an den Gießkonus 28 presst. Beim Abguss gleicht so das Federelement 6 einen Verschleiß des Gießstrahlschutzrohres 3 durch Nachführen über einen vertikalen Federweg 31 von bis zu mehreren Zentimetern aus.The Figures 3 and 4 a to e show the pouring jet protection tube 3 attached to the pouring cone 28 and the adapter 8 in a position shortly after Latching of the rear 30 of the spring element 6 in the locking groove 27 on the fastening means 20: The spring element 6 is supported on the double hook 24 and the single hook 25 of the fastening means 20 downwards and on the pouring cone 28 upwards and is thus supported between the fastening means 20 and the The pouring cone 28 is braced so that it presses the bearing ring 1 and thus the pouring jet protection tube 3 upwards onto the pouring cone 28. During casting, the spring element 6 compensates for wear on the pouring jet protection tube 3 by tracking over a vertical spring travel 31 of up to several centimeters.

Nach dem Haltern des Gießstrahlschutzrohres 3 an der Gießvorrichtung wird zunächst der Riegel 19 in dem Adapter 8 aus der Sackbohrung 5 des Lagerrings 1 zurückgezogen und so der Lagerring 1 von dem Adapter 8 gelöst. Der Adapter 8 wird nun mittels der Handhabungseinrichtung nach unten aus der Ausnehmung 4 am Lagerring 1 entnommen.After the pouring jet protection tube 3 has been held on the pouring device, the bolt 19 in the adapter 8 is first withdrawn from the blind hole 5 of the bearing ring 1 and the bearing ring 1 is thus released from the adapter 8. The adapter 8 is now removed downward from the recess 4 on the bearing ring 1 by means of the handling device.

Nach dem Abguss wird in umgekehrter Richtung mittels der Handhabungseinrichtung der Adapter 8 mit seinem Aufnahmeelement 13 wieder in die Ausnehmung 4 am Lagerring 1 eingeführt und mittels des Riegels 19 mit dem Lagerring 1 fest verbunden. Anschließend wird mittels der Führungselemente 14 das Federelement 6 von den Doppelhaken 24 und dem einzelnen Haken 25 gezogen und so der Lagerring 1 mit dem Gießstrahlschutzrohr 3 von dem Befestigungsmittel 20 und der Gießvorrichtung gelöst.After the casting, the adapter 8 with its receiving element 13 is reinserted into the recess 4 on the bearing ring 1 in the opposite direction by means of the handling device and firmly connected to the bearing ring 1 by means of the bolt 19. Then, by means of the guide elements 14, the spring element 6 is pulled from the double hooks 24 and the single hook 25 and thus the bearing ring 1 with the pouring jet protection tube 3 is detached from the fastening means 20 and the pouring device.

Anschließend wird der Lagerring 1 mit dem Gießstrahlschutzrohr 3 von dem Gießkonus 28 nach unten abgenommen und mittels der Handhabungseinrichtung zu einer weiteren Bearbeitungsstation verlagert, an der das Gießstrahlschutzrohr 3 mit Sauerstoff von Schlacke gereinigt und falls erforderlich ersetzt und schließlich zu einem weiteren Abguss wieder an die Gießvorrichtung geführt.Then the bearing ring 1 with the pouring jet protection tube 3 is removed from the pouring cone 28 downwards and moved by means of the handling device to a further processing station, at which the pouring jet protection tube 3 is cleaned of slag with oxygen and, if necessary, replaced and finally sent back to the pouring device for another pouring guided.

In den Figuren sind

1
Lagerring
2
Aufnahmetrichter
3
Gießstrahlschutzrohr
4
Ausnehmung
5
Sackbohrung
6
Federelement
7
Längsrichtung
8
Adapter
9
hinteres Ende
10
Träger
11
Flanschplatte
12
vorderes Ende
13
Aufnahmeelement
14
Führungselement
15
Nut
16
Bolzen
17
Zylinder
18
Schwenkachse
19
Riegel
20
Befestigungsmittel
21
Trägerplatte
22
Bohrung
23
Unterseite
24
Doppelhaken
25
Haken
26
Führungsfläche
27
Rastnut
28
Gießkonus
29
Vorderseite
30
Hinterseite
31
Federweg
In the figures are
1
Bearing ring
2
Receiving funnel
3
Pouring stream protection tube
4th
Recess
5
Blind hole
6th
Spring element
7th
Longitudinal direction
8th
adapter
9
rear end
10
carrier
11
Flange plate
12th
front end
13th
Receiving element
14th
Guide element
15th
Groove
16
bolt
17th
cylinder
18th
Swivel axis
19th
bars
20th
Fasteners
21
Carrier plate
22nd
drilling
23
bottom
24
Double hook
25th
hook
26th
Guide surface
27
Locking groove
28
Pouring cone
29
front
30th
Rear
31
Suspension travel

Claims (8)

  1. Protective device for a casting stream issuing from a casting device, having a casting stream protective pipe (3) and having a bearing ring (1), which engages around the casting stream protective pipe (3) at an upper inlet end, wherein a collar of the casting stream protective pipe (3) rests on the bearing ring (1), as well as having a fastener (20) for the bearing ring (1), which fastener (20) is attached to the casting device, wherein a spring element (6) presses the bearing ring (1) against the casting cone (28), characterized in that the spring element (6) is attached to the bearing ring (1) in an articulated manner and so as to be displaceable in a longitudinal direction (7) such that it is attached to the fastener (20) and presses the bearing ring (1) against the casting cone (28).
  2. Protective device according to the preceding claim, characterized in that the fastener (20) is attached to a ladle gate beneath the casting cone (28).
  3. Protective device according to the preceding claim, characterized by an adapter (8) on a handling device, which adapter receives the bearing ring (1).
  4. Protective device according to the preceding claim, characterized by a conical receiving element (13) on the adapter (8), on which the bearing ring (1) is centred by its own weight.
  5. Protective device according to one of the preceding claims, characterized by a drive, by means of which the spring element (6) can be attached to the casting device.
  6. Protective device according to one of the preceding claims, characterized by a releasable lock (19) which prevents the bearing ring (1) from coming loose from the handling device.
  7. Method for holding a casting stream protective pipe (3) on a casting device having a protective device according to one of Claims 1 to 6, wherein the bearing ring (1) with the casting stream protective pipe (3) is attached to the fastener (20) by means of a handling device in such a manner that the spring element (6) presses the bearing ring (1) against the casting cone (28), characterized in that the spring element (6) is moved in the longitudinal direction (7) and attached to the fastener in such a manner that it presses the bearing ring (1) against the casting cone (28) .
  8. Method for operating a casting device, wherein prior to casting through the casting cone (28), a casting stream protective pipe (3) according to the preceding claim is held on the casting device, characterized in that after attaching the spring element (6), the handling device is released from the bearing ring (1), the bearing ring (1) with the casting stream protective pipe (3) remains held on the casting device during casting, and after casting, the handling device removes the bearing ring (1) with the casting stream protective pipe (3) from the casting device.
EP17794675.3A 2016-10-17 2017-10-17 Protective device and method for holding a casting stream protective pipe Active EP3525956B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL17794675T PL3525956T3 (en) 2016-10-17 2017-10-17 Protective device and method for holding a casting stream protective pipe
SI201730798T SI3525956T1 (en) 2016-10-17 2017-10-17 Protective device and method for holding a casting stream protective pipe
RS20210733A RS62265B1 (en) 2016-10-17 2017-10-17 Protective device and method for holding a casting stream protective pipe

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016119706.8A DE102016119706A1 (en) 2016-10-17 2016-10-17 Protective device and method for holding a Gießstrahlschutzrohres
PCT/EP2017/076406 WO2018073205A1 (en) 2016-10-17 2017-10-17 Protective device and method for holding a casting stream protective pipe

Publications (2)

Publication Number Publication Date
EP3525956A1 EP3525956A1 (en) 2019-08-21
EP3525956B1 true EP3525956B1 (en) 2021-03-10

Family

ID=60268339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17794675.3A Active EP3525956B1 (en) 2016-10-17 2017-10-17 Protective device and method for holding a casting stream protective pipe

Country Status (8)

Country Link
EP (1) EP3525956B1 (en)
DE (1) DE102016119706A1 (en)
ES (1) ES2877815T3 (en)
PL (1) PL3525956T3 (en)
PT (1) PT3525956T (en)
RS (1) RS62265B1 (en)
SI (1) SI3525956T1 (en)
WO (1) WO2018073205A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114985717B (en) * 2022-08-01 2022-09-30 河北泰禾高温流体科技股份有限公司 Safe anticollision slide gate mechanism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT364103B (en) 1980-01-25 1981-09-25 Voest Alpine Ag PROTECTIVE DEVICE FOR A CASTING BEAM EXITING FROM A METALLURGICAL VESSEL
JP2010221279A (en) * 2009-03-24 2010-10-07 Kurosaki Harima Corp Apparatus and method for supporting nozzle for continuous casting, sliding nozzle equipment, and nozzle for continuous casting
AT514848B1 (en) * 2013-08-27 2016-06-15 Primetals Technologies Austria GmbH Automatically mountable pan slide cylinder
AU2014336310B2 (en) * 2013-10-14 2018-05-17 Vesuvius Group (Sa) Coupling device for reversibly coupling a ladle shroud to a collector nozzle, self-supported ladle shroud, kit thereof and method for coupling a ladle shroud to a collector nozzle
AT516885B1 (en) * 2015-02-23 2017-12-15 Primetals Technologies Austria GmbH Casting device with holder of a shadow tube on the pan closure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
PT3525956T (en) 2021-06-28
EP3525956A1 (en) 2019-08-21
DE102016119706A1 (en) 2018-04-19
WO2018073205A1 (en) 2018-04-26
PL3525956T3 (en) 2021-11-02
ES2877815T3 (en) 2021-11-17
SI3525956T1 (en) 2021-09-30
RS62265B1 (en) 2021-09-30

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