EP1535678B1 - Assembly of a copper plate cartridge - Google Patents

Assembly of a copper plate cartridge Download PDF

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Publication number
EP1535678B1
EP1535678B1 EP04025282A EP04025282A EP1535678B1 EP 1535678 B1 EP1535678 B1 EP 1535678B1 EP 04025282 A EP04025282 A EP 04025282A EP 04025282 A EP04025282 A EP 04025282A EP 1535678 B1 EP1535678 B1 EP 1535678B1
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EP
European Patent Office
Prior art keywords
copper plate
water tank
copper
projections
plate cartridge
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Active
Application number
EP04025282A
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German (de)
French (fr)
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EP1535678A1 (en
EP1535678B2 (en
Inventor
Thomas Fest
Astrid Blasius
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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
    • B22D11/055—Cooling the moulds

Definitions

  • the invention relates to a copper plate cassette for billet continuous casting, consisting of four interconnected to form a rectangular tube copper plates, which are each bolted to a water tank.
  • the document DE 198 42 674 A1 describes a mold wall of a continuous casting mold, which consists of a Kokilleninnenplatte and connected to this via screw connections water tank, the Kokilleninnenplatte on its side facing the water tank side webs extending therebetween Having grooves with a groove width in which patches are arranged.
  • the grooves undercuts having an undercut thickness
  • the filler pieces have connecting elements with a kauselementsdicke
  • the filler releasably engage in the undercuts
  • screw connections between the filler pieces and the water box are arranged.
  • the document DE 198 26 522 A1 describes a mold wall of a continuous casting mold, which consists of a Kokilleninnenplatte and connected to this via screw connections water tank, the Kokilleninnenplatte on its side facing the plenum side webs with grooves extending therebetween, are arranged in a filling.
  • the filler pieces have at least one expansion element for frictional connection with the inner mold plate.
  • the screw connections are arranged between the filling pieces and the water box.
  • the document EP 1 025 929 A1 discloses an arrangement for positive and non-positive connection of a cooling channels having mold plate with a water tank by means of expansion screws.
  • C-shaped mounting rails are fastened on the one hand with one of its webs on the mold plate and on the other hand C-shaped support rails connected to one of their webs via an adapter plate with the water box.
  • the other webs of the connecting rails or the support rails are in such a form-fitting manner to each other that transverse and longitudinal movements of the mold plate takes place as a result of thermal expansion predominantly to exclusively between the webs of the mounting rails.
  • the document WO 97 43063 discloses a liquid-cooled mold for continuously casting thin steel plates with two sidewalls opposite each other, a copper plate and a steel support plate.
  • the copper plates defining the mold cavity are detachably connected to the support plates by metal bolts, which are made of CuNiMnFe alloy.
  • the metal bolts are welded to the copper plates using a nickel ring as a filler filler.
  • Channels for coolant are arranged in the copper plates and cooling holes in the region of the cross-sectional plane above the metal bolts.
  • the document DE 100 39 625 A1 relates to a liquid-cooled plate mold for continuous casting of metals, in particular of steel materials comprising highly heat conductive Kokillenplatten of copper or copper alloys, which are connected by means of fastening bolts each with a water tank or with a support plate. Threaded moldings are arranged on the water side of each mold plate, which are connected by soldered joints or by electron beam welding with the mold plates frictionally as mounting pieces.
  • the present invention seeks to provide a new and much simplified design of the copper plate cassette, which accounts in particular the laborious processing steps in the production of T-slots in the copper plates.
  • the procurement of the plates is considerably cheaper.
  • each of the water box receiving copper plate is joined together to form a corner joint and each water box with lateral projections recesses of the toasting water box overlaps and slots are penetrated in the projections of clamping screws, which can be screwed into face-side threaded bores of the respective caustic box to form surface pressures.
  • the production is essentially limited to the production of threaded holes in the water boxes and as fasteners standardized expansion screws can be used. Manufacturing, assembly and storage are considerably cheaper and easier. Also, the production of T-nuts can be omitted, because thus the screwing takes place directly on the water tanks.
  • the threaded bores are provided on the water tank each between two projections in a central arrangement.
  • An expedient further embodiment of the invention provides that the width of the slots in the projections is greater than the shaft diameter of the clamping screws.
  • the copper plate cassette 12 for billet continuous casting according to FIG. 1 consists of four mutually braced copper plates 1, which are each bolted to a water tank 4.
  • Each copper plate 1 is connected via the water boxes 4 to a corner joint 5.
  • Each water box engages with lateral projections 8 in the lateral cutouts of the tapping water box. 4
  • the lateral projections 8 of the water boxes 4 contain slots 9, which are penetrated by clamping screws 10, which are screwed into the frontal threaded holes 11 of the respective ticking water box 4 to form surface pressure for sealing the copper plates 1.
  • FIG. 3 shows that bores 11 are each provided between two projections 8, 8 'in a central arrangement.
  • the stress on tension screws 10 are high-strength expansion screws.
  • the width of the slots 9 in the projections 8 is greater than the shank diameter of the clamping screws 10.
  • Each copper plate 1 is the back, ie provided on the water box 4 facing cold plate side with recessed in the plate cooling slots through which the coolant flows water.

Abstract

A copper plate cassette (12) forms part of a cogged ingot extrusion casting line and is a tube of square cross-section assembled from four copper plates (1), each bolted to a water jacket (4). Each copper plate panel has a corner fitting (5), and each water jacket (4) has side-fittings (8) with slots (4) forming a fit with the adjacent jacket (4), locked together by bolts (10).

Description

Die Erfindung betrifft eine Kupferplattenkassette für Vorblock-Stranggießanlagen, bestehend aus vier unter Ausbildung eines rechteckigen Rohres miteinander verbundenen Kupferplatten, die jeweils an einem Wasserkasten angeschraubt sind.The invention relates to a copper plate cassette for billet continuous casting, consisting of four interconnected to form a rectangular tube copper plates, which are each bolted to a water tank.

Kupferplattenkassetten für Vorblock-Stranggießanlagen weisen üblicherweise je vier miteinander verschraubte Kupferplatten auf, die jeweils mit einem Wasserkasten verbunden sind. Dabei werden vier Einheiten aus Kupferplatte und Wasserkasten derart miteinander zusammengefügt, dass sich ein rechteckiges Rohr ergibt. Beim Stand der Technik sind hierfür einige Ausführungsformen bekannt:

  • Beispielsweise sind an die Kupferplatten seitlich T-Nuten angearbeitet, die T-Nutsteine mit Innengewinde aufnehmen, wobei Schrauben jeweils kreuzweise die Wasserkästen mit den senkrecht dazu stehenden Kupferplatten verbinden.
Copper plate cassettes for billet continuous casters usually each have four copper plates bolted together, each connected to a water box. In this case, four units of copper plate and water tank are joined together in such a way that results in a rectangular tube. In the prior art, some embodiments are known for this purpose:
  • For example, T-grooves are laterally worked on the copper plates, which receive T-nut blocks with internal thread, with screws each crosswise connect the water boxes with the copper plates perpendicular thereto.

Diese Bauart ergibt einen erheblichen Bearbeitungsaufwand an den Kupferplatten.This design results in a considerable amount of work on the copper plates.

Das Dokument DE 198 42 674 A1 beschreibt eine Kokillenwand einer Stranggießkokille, die aus einer Kokilleninnenplatte und einem mit dieser über Schraubverbindungen verbundenen Wasserkasten besteht, wobei die Kokilleninnenplatte auf ihrer dem Wasserkasten zugewandten Seite Stege mit dazwischen verlaufenden Nuten mit einer Nutbreite aufweist, in denen Füllstücke angeordnet sind. Um die Kokilleninnenplatte am Wasserkasten zu befestigen ist vorgesehen, dass die Nuten Hinterschneidungen mit einer Hinterschneidungsdicke aufweisen, dass die Füllstücke Verbindungselemente mit einer Verbindungselementdicke aufweisen, dass die Füllstücke lösbar in die Hinterschneidungen eingreifen, und dass die Schraubverbindungen zwischen den Füllstücken und dem Wasserkasten angeordnet sind.The document DE 198 42 674 A1 describes a mold wall of a continuous casting mold, which consists of a Kokilleninnenplatte and connected to this via screw connections water tank, the Kokilleninnenplatte on its side facing the water tank side webs extending therebetween Having grooves with a groove width in which patches are arranged. In order to fix the inner mold plate to the water box is provided that the grooves undercuts having an undercut thickness, that the filler pieces have connecting elements with a Verbindungselementsdicke, that the filler releasably engage in the undercuts, and that the screw connections between the filler pieces and the water box are arranged.

Das Dokument DE 198 26 522 A1 beschreibt eine Kokillenwand einer Stranggießkokille, die aus einer Kokilleninnenplatte und einem mit dieser über Schraubverbindungen verbundenen Wasserkasten besteht, wobei die Kokilleninnenplatte auf ihrer dem Wasserkasten zugewandten Seite Stege mit dazwischen verlaufenden Nuten aufweist, in einen Füllstücke angeordnet sind. Die Füllstücke weisen mindestens ein Spreizelement zur reibschlüssigen Verbindung mit der Kokilleninnenplatte auf. Die Schraubverbindungen sind zwischen den Füllstücken und dem Wasserkasten angeordnet.The document DE 198 26 522 A1 describes a mold wall of a continuous casting mold, which consists of a Kokilleninnenplatte and connected to this via screw connections water tank, the Kokilleninnenplatte on its side facing the plenum side webs with grooves extending therebetween, are arranged in a filling. The filler pieces have at least one expansion element for frictional connection with the inner mold plate. The screw connections are arranged between the filling pieces and the water box.

Das Dokument EP 1 025 929 A1 offenbart eine Anordnung zum form- und kraftschlüssigen Verbinden einer Kühlkanäle aufweisenden Kokillenplatte mit einem Wasserkasten mittels Dehnschrauben.
Bei dieser Anordnung sind C-förmige Befestigungsschienen einerseits mit einem ihrer Stege an der Kokillenplatte befestigt und andererseits C-förmige Halteschienen mit einem ihrer Stege über eine Adapterplatte mit dem Wasserkasten verbindbar. Die anderen Stege der Verbindungsschienen bzw. der Halteschienen liegen derart formschlüssig aneinander, dass Quer- und Längsbewegungen der Kokillenplatte in Folge thermischer Dehnung überwiegend bis ausschließlich zwischen den Stegen der Befestigungsschienen erfolgt.The document EP 1 025 929 A1 discloses an arrangement for positive and non-positive connection of a cooling channels having mold plate with a water tank by means of expansion screws.
In this arrangement, C-shaped mounting rails are fastened on the one hand with one of its webs on the mold plate and on the other hand C-shaped support rails connected to one of their webs via an adapter plate with the water box. The other webs of the connecting rails or the support rails are in such a form-fitting manner to each other that transverse and longitudinal movements of the mold plate takes place as a result of thermal expansion predominantly to exclusively between the webs of the mounting rails.

Das Dokument WO 97 43063 offenbart eine flüssigkeitsgekühlte Kokille zum Stranggießen von dünnen Stahlplatten mit zwei Seitenwänden einander gegenüberliegend, einer Kupferplatte und einer Stahl-Stützplatte. Die Kupferplatten, welche den Kokillenhohlraum begrenzen, sind abnehmbar mit den Stützplatten durch Metallbolzen verbunden, wobei diese aus CuNiMnFe-Legierung bestehen.
Die Metallbolzen sind an die Kupferplatten angeschweißt unter Verwendung eines Nickelringes als Schweißmaterialfüller. Kanäle für Kühlmittel sind in den Kupferplatten und Kühlbohrungen im Bereich der Querschnittsebene oberhalb der Metallbolzen angeordnet.The document WO 97 43063 discloses a liquid-cooled mold for continuously casting thin steel plates with two sidewalls opposite each other, a copper plate and a steel support plate. The copper plates defining the mold cavity are detachably connected to the support plates by metal bolts, which are made of CuNiMnFe alloy.
The metal bolts are welded to the copper plates using a nickel ring as a filler filler. Channels for coolant are arranged in the copper plates and cooling holes in the region of the cross-sectional plane above the metal bolts.

Das Dokument DE 100 39 625 A1 betrifft eine flüssigkeitsgekühlte Plattenkokille zum Stranggießen von Metallen, insbesondere von Stahlwerkstoffen, umfassend hochwärmeleitfähige Kokillenplatten aus Kupfer oder Kupferlegierungen, die mittels Befestigungsbolzen jeweils mit einem Wasserkasten bzw. mit einer Stützplatte verbunden sind.
Auf der Wasserseite jeder Kokillenplatte sind mit Gewinde ausgebildete Formteile angeordnet, die durch Lötverbindungen oder durch Elektronenstrahlschweißung mit den Kokillenplatten kraftschlüssig als Befestigungsstücke verbunden sind.The document DE 100 39 625 A1 relates to a liquid-cooled plate mold for continuous casting of metals, in particular of steel materials comprising highly heat conductive Kokillenplatten of copper or copper alloys, which are connected by means of fastening bolts each with a water tank or with a support plate.
Threaded moldings are arranged on the water side of each mold plate, which are connected by soldered joints or by electron beam welding with the mold plates frictionally as mounting pieces.

Ausgehend vom vorgenannten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine neue und wesentlich vereinfachte Bauart der Kupferplattenkassette anzugeben, bei der insbesondere die arbeitsaufwendigen Bearbeitungsschritte bei der Herstellung der T-Nuten in den Kupferplatten entfallen. Damit wird die Beschaffung der Platten erheblich günstiger.Based on the aforementioned prior art, the present invention seeks to provide a new and much simplified design of the copper plate cassette, which accounts in particular the laborious processing steps in the production of T-slots in the copper plates. Thus, the procurement of the plates is considerably cheaper.

Zur Lösung der Aufgabe wird bei einer Kupferplattenkassette der im Oberbegriff von Anspruch 1 genannten Art vorgeschlagen, dass jede den Wasserkasten aufnehmende Kupferplatte zu einer Eckverbindung zusammenfügbar ist und jeder Wasserkasten mit seitlichen Vorsprüngen Ausnehmungen des aneckenden Wasserkastens übergreift und Schlitze in den Vorsprüngen von Spannschrauben durchdrungen sind, die in stirnseitige Gewindebohrungen des jeweils aneckenden Wasserkastens unter Ausbildung von Flächenpressungen einschraubbar sind.To solve the problem is proposed in a copper plate cassette mentioned in the preamble of claim 1, each of the water box receiving copper plate is joined together to form a corner joint and each water box with lateral projections recesses of the toasting water box overlaps and slots are penetrated in the projections of clamping screws, which can be screwed into face-side threaded bores of the respective caustic box to form surface pressures.

Mit großem Vorteil beschränkt sich die Fertigung im Wesentlichen auf die Herstellung von Gewindebohrungen in den Wasserkästen und als Verbindungselemente können genormte Dehnschrauben verwendet werden. Fertigung, Montage sowie Lagerhaltung werden erheblich günstiger und einfacher. Auch kann die Fertigung der T-Nutensteine entfallen, weil damit die Verschraubung direkt an den Wasserkästen erfolgt.With great advantage, the production is essentially limited to the production of threaded holes in the water boxes and as fasteners standardized expansion screws can be used. Manufacturing, assembly and storage are considerably cheaper and easier. Also, the production of T-nuts can be omitted, because thus the screwing takes place directly on the water tanks.

In Ausgestaltung der Erfindung wird vorgeschlagen, dass die Gewindebohrungen am Wasserkasten jeweils zwischen zwei Vorsprüngen in mittiger Anordnung vorgesehen sind.In an embodiment of the invention it is proposed that the threaded bores are provided on the water tank each between two projections in a central arrangement.

Eine zweckmäßige weitere Ausgestaltung der Erfindung sieht vor, dass die Breite der Schlitze in den Vorsprüngen größer als der Schaftdurchmesser der Spannschrauben ausgebildet ist.An expedient further embodiment of the invention provides that the width of the slots in the projections is greater than the shaft diameter of the clamping screws.

Weitere Vorteile und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels in Verbindung mit den Zeichnungen. Dabei zeigen in Prinzipdarstellung:

Figur 1
eine Kokille mit Kupferplattenkassetten in perspektivischer Ansicht in Form eines rechteckigen Rohres,
Figur 2
in perspektivischer Ansicht,gemäß der Ausschnittvergrößerung A in Figur 1, Eckverbindungen zwischen Stirnseiten einer Kokillenplatte und eines Wasserkastens,
Figur 3
Die Verbindung von Wasserkästen mit seitlichen Vorsprüngen durch Spannschrauben in Gewindebohrungen.
Further advantages and details of the invention will become apparent from the following description of an embodiment in conjunction with the drawings. Here are a schematic diagram:
FIG. 1
a mold with copper plate cassettes in perspective view in the form of a rectangular tube,
FIG. 2
in perspective view, according to the detail enlargement A in FIG. 1 , Corner joints between end faces of a chill plate and a channel box,
FIG. 3
The connection of water tanks with lateral projections by clamping screws in threaded holes.

Die Kupferplattenkassette 12 für Vorblock-Stranggießanlagen gemäß Figur 1 besteht aus vier miteinander verspannten Kupferplatten 1, wobei diese jeweils auf einen Wasserkasten 4 geschraubt sind.The copper plate cassette 12 for billet continuous casting according to FIG. 1 consists of four mutually braced copper plates 1, which are each bolted to a water tank 4.

Gemäß Figur 2 ist jede Kupferplatte 1 über die Wasserkästen 4 zu einer Eckverbindung 5 zusammenfügbar.According to FIG. 2 Each copper plate 1 is connected via the water boxes 4 to a corner joint 5.

Jeder Wasserkasten greift mit seitlichen Vorsprüngen 8 in die seitlichen Ausfräsungen des aneckenden Wasserkastens 4.Each water box engages with lateral projections 8 in the lateral cutouts of the tapping water box. 4

Die seitlichen Vorsprünge 8 der Wasserkästen 4 enthalten Schlitze 9, die von Spannschrauben 10 durchdrungen sind, die in die stirnseitigen Gewindebohrungen 11 des jeweils aneckenden Wasserkastens 4 unter Ausbildung von Flächenpressung zur Abdichtung der Kupferplatten 1 einschraubbar sind.The lateral projections 8 of the water boxes 4 contain slots 9, which are penetrated by clamping screws 10, which are screwed into the frontal threaded holes 11 of the respective ticking water box 4 to form surface pressure for sealing the copper plates 1.

Figur 3 zeigt, dass Bohrungen 11 jeweils zwischen zwei Vorsprüngen 8, 8' in mittiger Anordnung vorgesehen sind. Die auf Zug beanspruchten Spannschrauben 10 sind hochfeste Dehnschrauben. Die Breite der Schlitze 9 in den Vorsprüngen 8 ist größer als der Schaftdurchmesser der Spannschrauben 10. Jede Kupferplatte 1 ist rückseitig, d. h. auf der dem Wasserkasten 4 zugewandten kalten Plattenseite mit in der Platte eingelassenen Kühlschlitzen versehen, durch die das Kühlmittel Wasser strömt. FIG. 3 shows that bores 11 are each provided between two projections 8, 8 'in a central arrangement. The stress on tension screws 10 are high-strength expansion screws. The width of the slots 9 in the projections 8 is greater than the shank diameter of the clamping screws 10. Each copper plate 1 is the back, ie provided on the water box 4 facing cold plate side with recessed in the plate cooling slots through which the coolant flows water.

Claims (4)

  1. Copper plate cartridge (12) for continuous casting plants for blooms, consisting of four copper plates (1) which are joined together to form a rectangular tube, which are each screwed on to a water tank (4), characterised in that each copper plate (1) holding the water tank (4) can be joined together to form a corner connection (5) and each water tank (4) grips with lateral projections (8) over recesses (7) of the abutting water tank and slits (9) in the projections (8) have clamping bolts (10) passing therethrough, which can be screwed into front tapped holes (11) of the respective water tank (4) to form surface pressures.
  2. The copper plate cartridge according to claim 1, characterised in that the tapped holes (11) on the water tank (4) are each provided between two projections (8, 8') in a central arrangement.
  3. The copper plate cartridge according to claim 1 or 2, characterised in that the clamping bolts (10) which can be subject to tensile stress are high-tensile-strength bolts.
  4. The copper plate cartridge according to claim 1 or 2, characterised in that the width of the slits (9) in the projections (8) is greater than the shank diameter of the clamping bolts (10).
EP04025282A 2003-11-28 2004-10-25 Assembly of a copper plate cartridge Active EP1535678B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10356318A DE10356318A1 (en) 2003-11-28 2003-11-28 Assembly of copper plate cassettes
DE10356318 2003-11-28

Publications (3)

Publication Number Publication Date
EP1535678A1 EP1535678A1 (en) 2005-06-01
EP1535678B1 true EP1535678B1 (en) 2008-03-19
EP1535678B2 EP1535678B2 (en) 2011-06-22

Family

ID=34442402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04025282A Active EP1535678B2 (en) 2003-11-28 2004-10-25 Assembly of a copper plate cartridge

Country Status (3)

Country Link
EP (1) EP1535678B2 (en)
AT (1) ATE389482T1 (en)
DE (2) DE10356318A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150644A (en) * 1983-02-16 1984-08-28 Mitsubishi Heavy Ind Ltd Mold for continuous casting
FR2584322B1 (en) † 1985-07-04 1987-12-31 Fives Cail Babcock DEVICE FOR ASSEMBLING THE DIMENSIONS OF A CONTINUOUS CASTING LINGOTIERE
DE19904149A1 (en) * 1999-02-03 2000-08-10 Sms Demag Ag Arrangement for connecting a mold plate to a water tank
DE10051489A1 (en) * 2000-10-17 2002-04-18 Sms Demag Ag Plate mold used in the continuous casting of steel has mold plate pairs joined together at the corner joints and held together by water tanks which are connected by tensioning elements

Also Published As

Publication number Publication date
DE502004006561D1 (en) 2008-04-30
DE10356318A1 (en) 2005-06-23
EP1535678A1 (en) 2005-06-01
ATE389482T1 (en) 2008-04-15
EP1535678B2 (en) 2011-06-22

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