EP0103203B1 - Device for the longitudinal division of slabs in a continuous-casting plant - Google Patents

Device for the longitudinal division of slabs in a continuous-casting plant Download PDF

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Publication number
EP0103203B1
EP0103203B1 EP83108116A EP83108116A EP0103203B1 EP 0103203 B1 EP0103203 B1 EP 0103203B1 EP 83108116 A EP83108116 A EP 83108116A EP 83108116 A EP83108116 A EP 83108116A EP 0103203 B1 EP0103203 B1 EP 0103203B1
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EP
European Patent Office
Prior art keywords
slab
torch
alignment
cars
track
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.)
Expired
Application number
EP83108116A
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German (de)
French (fr)
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EP0103203A1 (en
Inventor
Horst K. Lotz
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.)
Aute AG Gesellschaft fuer Autogene Technik
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Aute AG Gesellschaft fuer Autogene Technik
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Application filed by Aute AG Gesellschaft fuer Autogene Technik filed Critical Aute AG Gesellschaft fuer Autogene Technik
Priority to AT83108116T priority Critical patent/ATE21491T1/en
Publication of EP0103203A1 publication Critical patent/EP0103203A1/en
Application granted granted Critical
Publication of EP0103203B1 publication Critical patent/EP0103203B1/en
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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
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/126—Accessories for subsequent treating or working cast stock in situ for cutting

Definitions

  • the invention relates to a slitting device for slabs on a continuous casting installation with at least one flame cutting device arranged above a roller table or the like to accommodate the slab to be cut, which has a burner carriage with a burner that can be moved on rails in the transport direction of the slab, and with a device for relative alignment between the slab and a burner track, in which the burner is displaceably held by a burner carriage on a boom arranged perpendicular to the direction of transport of the slab and is guided relative to the slab by two movable alignment carriages which are connected to the burner carriage.
  • the burner is mounted in a stationary manner on a portal construction, and the slab must be hydraulically displaced in the transverse direction by so-called aligners and thereby be aligned with the fixed, predetermined burner track.
  • the invention is therefore based on the object of making available a slitting device of the type mentioned at the outset which is distinguished by a structurally simple design which is not very sensitive to wear and which ensures precise and safe alignment and guidance of the burner.
  • the invention is. that in the case of a slitting device of the type mentioned at the outset for setting the burner track, it is fastened to the two movable alignment carriages.
  • An expedient embodiment of the invention is that the alignment carriages have a scanning device which, depending on the position of the side edge of the slab, positions the alignment carriages on their rails.
  • FIG. 1 shows a slitting device for a slab 1 to be cut, which rests on a roller table 2 formed by disc-shaped rollers and can be moved thereon in FIG. 1 perpendicular to the plane of the drawing.
  • a burner carriage 10 of the device has wheels 12 which run parallel to the direction of conveyance of the slab on burner tracks 14 and rest on brackets 16 of an alignment carriage 35.
  • the free end of the burner carriage 10 carries a bracket 20 which bridges the slab 1 like a portal and which forms a path for setting a burner 24 transversely to the transport direction of the slab 1.
  • the burner 24 is fastened to a burner slide 21, which is guided displaceably on the arm 20 by means of guide rollers 23.
  • the burner 24 emits a burner jet 26 from a nozzle located below, through which a longitudinal separation joint 27 is burned into the slab 1.
  • the alignment carriage 35 is guided on rails 37 by means of wheels 48. which are laid below the slab 1 and perpendicular to the direction of transport.
  • a button 42 with a probe 42a is guided horizontally in rolls 43 in the direction of the slab 1.
  • a rack 44 on the button 42 is in engagement with a pinion 45 of a geared motor 46, which is coupled to an electrical displacement sensor.
  • the probe 42a can be an optically, acoustically or inductively acting probe with a downstream measured value transmitter.
  • the position of the slab can be determined contactlessly, ie avoiding harmful heat transfer, and transferred to a hydraulically or pneumatically actuated actuating cylinder 38 in order to bring the alignment carriage 35 into position. which corresponds to the intended longitudinal joint 27 in the slab 1.
  • the burner track in the slitting device according to the invention defined by the alignment carriage 35 and transferred in a simple and exact manner to the burner 24 via the scanning roller 42a and the slide 21.
  • a thermal insulation device which is formed by water plates 56 through which a coolant such as water flows.
  • the cutting area of the burner 24 is covered on both sides by a soundproof hood 50.
  • the walls of the noise protection hood are filled with and / or coated with a sound-absorbing material.
  • the soundproofing hood 50 is suspended on a lifting frame 52 which is supported with respect to the burner slide 21 by a hydraulically or pneumatically actuated lifting cylinder 53.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Metal Rolling (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

1. A device for the longitudinal division of slabs in a continuous casting plant, comprising at least one torch cutter device which is disposed above a roller table (2) receiving the slab (1) for division and which comprises a torch car (10) having a torch (24) and mobile on rails in the direction of transport of the slab (1), and comprising means for producing a relative alignment between the slab (1) and a torch track (14), in which the torch (24) is held slidably by a torch slide (21) on an arm (24) disposed perpendicularly to the direction of transport of the slab (1) and is guided relatively to the slab (1) by two mobile alignment cars (35) connected to the torch slide (21), characterized in that the torch track (14) is fixed on the two mobile alignment cars (35) for the purposes of adjustment of said track.

Description

Die Erfindung betrifft eine Längsteilvorrichtung für Brammen an einer Stranggußanlage mit mindestens einer über einem die zu zerteilende Bramme aufnehmenden Rollgang oder dergleichen angeordneten Brennschneideinrichtung, die einen in Transportrichtung der Bramme auf Schienen verfahrbaren Brennerwagen mit einem Brenner aufweist, und mit einer Einrichtung zur Relativausrichtung zwischen der Bramme und einer Brennerlaufbahn, bei der der Brenner auf einem senkrecht zur Transportrichtung der Bramme angeordneten Ausleger durch einen Brennerschlitten verschiebbar gehalten und relativ zur Bramme geführt ist durch zwei verfahrbare Ausrichtwagen, die mit dem Brennerschlitten verbunden sind.The invention relates to a slitting device for slabs on a continuous casting installation with at least one flame cutting device arranged above a roller table or the like to accommodate the slab to be cut, which has a burner carriage with a burner that can be moved on rails in the transport direction of the slab, and with a device for relative alignment between the slab and a burner track, in which the burner is displaceably held by a burner carriage on a boom arranged perpendicular to the direction of transport of the slab and is guided relative to the slab by two movable alignment carriages which are connected to the burner carriage.

Bei einer aus DE-B-27 10 564 bekannten Längsteilvorrichtung ist der Brenner ortsfest an einer Portalkonstruktion montiert, und die Bramme muß durch sogenannte Ausrichter hydraulisch in Querrichtung verschoben und dabei auf die ortsfeste, vorgegebene Brennerlaufbahn ausgerichtet werden.In a slitting device known from DE-B-27 10 564, the burner is mounted in a stationary manner on a portal construction, and the slab must be hydraulically displaced in the transverse direction by so-called aligners and thereby be aligned with the fixed, predetermined burner track.

Zur Vermeidung der aufwendigen Brammenverschiebung - ist bereits versucht worden, die Kanten der Bramme mittels Rollen abzutasten und danach einen beweglichen Brenner zu führen. Bei dieser bekannten Lösung führen jedoch die Wärme der Bramme und die Ungenauigkeiten der Brammenkante sowie Verschleißerscheinungen zu großen Schwierigkeiten.To avoid the time-consuming shifting of the slab, attempts have already been made to scan the edges of the slab using rollers and then to guide a movable burner. In this known solution, however, the heat of the slab and the inaccuracies of the slab edge as well as signs of wear lead to great difficulties.

Durch die, den Oberbegriff des Anspruchs 1 bildende DE-A-29 39 773 ist es bereits bekannt geworden, daß der Brenner auf einem senkrecht zur Transportrichtung der Bramme angeordneten Ausleger verschiebbar gehalten und unter Abtasten des Werkstücks durch eine die Brennerlaufbahn einstellende Einrichtung relativ zur Bramme geführt ist. Dabei sind zwei verfahrbare Ausrichtwagen vorgesehen, die mit einem Lineal verbunden sind, mit dem eine Abtastrolle zusammenwirkt. um einem am Ausleger sitzenden Ausrichtschlitten zu bewegen, der wiederum für eine Synchronbewegung mit dem Brennerschlitten verbunden ist.From DE-A-29 39 773, which forms the preamble of claim 1, it has already become known that the burner is held displaceably on a boom arranged perpendicular to the direction of transport of the slab and relative to the slab by scanning the workpiece by a device which adjusts the burner track is led. Two movable alignment carriages are provided, which are connected with a ruler with which a scanning roller interacts. in order to move an alignment slide seated on the arm, which in turn is connected to the burner slide for a synchronous movement.

Mit einer derartigen Vorrichtung ist zwar eine zuverlässige Führung erreicht worden, jedoch ist der konstruktive Aufwand sehr umfangreich und bietet die Möglichkeit zu einer großen Anzahl von Fehlerquellen und Abnutzung durch Verschleiß.Reliable guidance has been achieved with such a device, but the design effort is very extensive and offers the possibility of a large number of sources of error and wear due to wear.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Längsteilvorrichtung der eingangs genannten Art verfügbar zu machen, die sich durch eine konstruktiv einfache, wenig verschlei- ßempfindliche Ausbildung auszeichnet und eine genaue und sichere Ausrichtung und Führung des Brenners gewährleistet.The invention is therefore based on the object of making available a slitting device of the type mentioned at the outset which is distinguished by a structurally simple design which is not very sensitive to wear and which ensures precise and safe alignment and guidance of the burner.

Die Erfindung besteht darin. daß bei einer Längsteilvorrichtung der eingangs erwähnten Art zur Einstellung der Brennerlaufbahn diese auf den zwei verfahrbaren Ausrichtwagen befestigt ist.The invention is. that in the case of a slitting device of the type mentioned at the outset for setting the burner track, it is fastened to the two movable alignment carriages.

Eine zweckmäßige Ausbildung der Erfindung besteht darin, daß die Ausrichtwagen eine Abtasteinrichtung aufweisen, die in Abhängigkeit von der Lage der Seitenkannte der Bramme die Ausrichtwagen auf ihren Schienen positionieren.An expedient embodiment of the invention is that the alignment carriages have a scanning device which, depending on the position of the side edge of the slab, positions the alignment carriages on their rails.

Weitere vorteilhafte Merkmale und Weiterbildungen sind in den Unteransprüchen gekennzeichnet.Further advantageous features and developments are characterized in the subclaims.

Die Erfindung soll nachstehend anhand von Ausführungsbeispielen unter Bezugnahme auf die beigefügten Zeichnungen näher erläutert werden, in denen gleiche Bezugszeichen sich auf gleiche Teile der entsprechenden Zeichnungen beziehen. In den Zeichnungen zeigen :

  • Figur 1 eine schematische Frontansicht der nachstehend beschriebenen Längsteilvorrichtung für Brammen und
  • Figur 2 eine Teilseitenansicht der Vorrichtung nach Fig. 1.
The invention will be explained in more detail below on the basis of exemplary embodiments with reference to the accompanying drawings, in which like reference numerals refer to like parts of the corresponding drawings. The drawings show:
  • Figure 1 is a schematic front view of the slitting device for slabs and described below
  • FIG. 2 shows a partial side view of the device according to FIG. 1.

In Fig. 1 ist eine Längsteilvorrichtung dargestellt für eine zu zerteilende Bramme 1. die auf einem durch scheibenförmige Rollen gebildeten Rollgang 2 aufliegt und darauf in Fig. 1 senkrecht zur Zeichnungsebene bewegt werden kann. Ein Brennerwagen 10 der Vorrichtung besitzt Räder 12, die auf Brennerlaufbahnschienen 14 parallel zur Förderrichtung der Bramme laufen und auf Konsolen 16 eines Ausrichtwagens 35 ruhen.1 shows a slitting device for a slab 1 to be cut, which rests on a roller table 2 formed by disc-shaped rollers and can be moved thereon in FIG. 1 perpendicular to the plane of the drawing. A burner carriage 10 of the device has wheels 12 which run parallel to the direction of conveyance of the slab on burner tracks 14 and rest on brackets 16 of an alignment carriage 35.

Der Brennerwagen 10 trägt einen mit seinem freien Ende portalartig die Bramme 1 überbrückenden Ausleger 20, welcher eine Bahn zur Einstellung eines Brenners 24 quer zur Transportrichtung der Bramme 1 bildet. Der Brenner 24 ist an einem Brennerschlitten 21 befestigt, welcher mittels Führungsrollen 23 am Ausleger 20 verschiebbar geführt ist. Im Betrieb der Vorrichtung gibt der Brenner 24 aus einer unten liegenden Düse einen Brennerstrahl 26 ab, durch den eine Längstrennfuge 27 in die Bramme 1 eingebrannt wird.The free end of the burner carriage 10 carries a bracket 20 which bridges the slab 1 like a portal and which forms a path for setting a burner 24 transversely to the transport direction of the slab 1. The burner 24 is fastened to a burner slide 21, which is guided displaceably on the arm 20 by means of guide rollers 23. In operation of the device, the burner 24 emits a burner jet 26 from a nozzle located below, through which a longitudinal separation joint 27 is burned into the slab 1.

Der Ausrichtwagen 35 ist mittels Rädern 48 auf Schienen 37 geführt. welche unterhalb der Bramme 1 und senkrecht zu deren Transportrichtung verlegt sind. Am Ausrichtwagen 35 ist in Rollen 43 ein horizontal in Richtung auf die Bramme 1 verschiebbarer Taster 42 mit Tastkopf 42a geführt. Eine Zahnstange 44 am Taster 42 steht im Eingriff mit einem Ritzel 45 eines Getriebemotors 46, der mit einem elektrischen Weggeber gekoppelt ist. Der Tastkopf 42a kann eine optisch, akustisch oder induktiv wirkende Sonde mit nachgeschaltetem Meßwertübertrager sein. Auf diese Weise kann berührungsfrei, d. h. unter Vermeidung schädlicher Wärmeübertragung, die Position der Bramme ermittelt und auf einen hydraulisch oder pneumatisch betätigbaren Stellzylinder 38 übertragen werden, um den Ausrichtwagen 35 in die Position zu bringen. welche der vorgesehenen Längstennfuge 27 in der Bramme 1 entspricht. Somit wird bei der erfindungsgemäßen Längsteilvorrichtung die Brennerlaufbahn durch die Ausrichtwagen 35 definiert und auf einfache und exakte Weise über die Abtastrolle 42a und den Schlitten 21 auf den Brenner 24 übertragen.The alignment carriage 35 is guided on rails 37 by means of wheels 48. which are laid below the slab 1 and perpendicular to the direction of transport. On the alignment carriage 35, a button 42 with a probe 42a is guided horizontally in rolls 43 in the direction of the slab 1. A rack 44 on the button 42 is in engagement with a pinion 45 of a geared motor 46, which is coupled to an electrical displacement sensor. The probe 42a can be an optically, acoustically or inductively acting probe with a downstream measured value transmitter. In this way, the position of the slab can be determined contactlessly, ie avoiding harmful heat transfer, and transferred to a hydraulically or pneumatically actuated actuating cylinder 38 in order to bring the alignment carriage 35 into position. which corresponds to the intended longitudinal joint 27 in the slab 1. Thus, the burner track in the slitting device according to the invention defined by the alignment carriage 35 and transferred in a simple and exact manner to the burner 24 via the scanning roller 42a and the slide 21.

Bei dem in der Zeichnung dargestellten Ausführungsbeispiel sind sämtliche der Bramme 1 zugekehrten Flächen und Bereiche durch eine Wärmedämmeinrichtung abgedeckt, die durch von einem Kühlmittel, wie Wasser, durchströmte, Wasserplatten 56 gebildet wird.In the exemplary embodiment shown in the drawing, all of the surfaces and regions facing the slab 1 are covered by a thermal insulation device which is formed by water plates 56 through which a coolant such as water flows.

Der Schnittbereich des Brenners 24 ist durch eine Schallschutzhaube 50 beidseitig abgedeckt. Die Wände der Schallschutzhaube sind mit einem schalldämmenden Material ausgefüllt und/oder beschichtet. Um die Schallschutzhaube 50 mit dem Brenner 24 mitführen und an die jeweilige Dicke bzw. Höhe der Bramme 1 anpassen zu können, ist diese an einem Hubgestell 52 aufgehängt, welches gegenüber dem Brennerschlitten 21 durch einen hydraulisch oder pneumatisch betätigbaren Hubzylinder 53 abgestützt ist.The cutting area of the burner 24 is covered on both sides by a soundproof hood 50. The walls of the noise protection hood are filled with and / or coated with a sound-absorbing material. In order to carry the soundproofing hood 50 with the burner 24 and to be able to adapt it to the respective thickness or height of the slab 1, the latter is suspended on a lifting frame 52 which is supported with respect to the burner slide 21 by a hydraulically or pneumatically actuated lifting cylinder 53.

Claims (6)

1. A device for the longitudinal division of slabs in a continuous casting plant, comprising at least one torch cutter device which is disposed above a roller table (2) receiving the slab (1) for division and which comprises a torch car (10) having a torch (24) and mobile on rails in the direction of transport of the slab (1), and comprising means for producing a relative alignment between the slab (1) and a torch track (14), in which the torch (24) is held slidably by a torch slide (21) on an arm (24) disposed perpendicularly to the direction of transport of the slab (1) and is guided relatively to the slab (1) by two mobile alignment cars (35) connected to the torch slide (21), characterised in that the torch track (14) is fixed on the two mobile alignment cars (35) for the purposes of adjustment of said track.
2. A device according to claim 1, characterised in that the alignment cars (35) have a scanning means (40) which position the alignment cars (35) on their rails (37) in dependence on the position of the side edge of the slab (1
3. A device according to claim 2, characterised in that the scanning means (40) comprises a scanning arm (42) which is adapted to be engaged against and withdrawn from the edge of the slab (1) by a motor drive having an electric travel pickup.
4. A device according to claim 3, characterised in that the scanning means (40) comprises a probe which scans the slab edge optically, acoustically or inductively and which is followed by a transmitter for the measured value.
5. A device according to any one of claims 1 to 4, characterised in that the torch (24) is provided with a protective hood (50) which is fixed on the torch slide (21), is at least vertically adjustable, and encloses the cutting beam zone.
6. A device according to any one of claims 1 to 5, characterised in that the device walls or surfaces facing the slab (1) are covered by a thermally insulating means (56) preferably consisting of spaced panels (56) through which a coolant flows.
EP83108116A 1982-08-21 1983-08-17 Device for the longitudinal division of slabs in a continuous-casting plant Expired EP0103203B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83108116T ATE21491T1 (en) 1982-08-21 1983-08-17 SLITTING DEVICE FOR SLABS IN A CONTINUOUS CASTING PLANT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3231187 1982-08-21
DE19823231187 DE3231187A1 (en) 1982-08-21 1982-08-21 LENGTH PART DEVICE FOR SLABS ON A CONTINUOUS CASTING PLANT

Publications (2)

Publication Number Publication Date
EP0103203A1 EP0103203A1 (en) 1984-03-21
EP0103203B1 true EP0103203B1 (en) 1986-08-20

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Application Number Title Priority Date Filing Date
EP83108116A Expired EP0103203B1 (en) 1982-08-21 1983-08-17 Device for the longitudinal division of slabs in a continuous-casting plant

Country Status (4)

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EP (1) EP0103203B1 (en)
AT (1) ATE21491T1 (en)
DE (2) DE3231187A1 (en)
ES (1) ES525036A0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8412636U1 (en) * 1984-04-24 1984-08-02 GeGa Gesellschaft für Gasetechnik Lotz GmbH & Co KG, 6238 Hofheim Strand cutting machine for thermal cutting
US5121873A (en) * 1990-06-06 1992-06-16 Hitachi Ltd. Method of and apparatus for joining hot materials to be rolled to each other as well as continuous hot rolling method and system
DE4333303A1 (en) * 1993-09-30 1995-04-06 Schloemann Siemag Ag Method and device for producing pre-profiles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553207A (en) * 1968-12-16 1971-01-05 Parke Davis & Co Phenylpyrazolodiazepinone compounds
US3553210A (en) * 1968-12-16 1971-01-05 Parke Davis & Co 3-methyl-8-phenylpyrazolo(4,3-e)(1,4)diazepin-5(1h)-one, 7-oxide compounds

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2710564B1 (en) * 1977-03-11 1978-04-20 Thyssen Huette Ag Longitudinal device for slabs, especially continuously cast slabs
DE2924365B1 (en) * 1979-06-16 1980-12-18 Demag Ag Mannesmann Method and device for the thermal longitudinal cutting of rectangular metal plates, in particular of cut continuous slabs
DE2939773A1 (en) * 1979-10-01 1981-04-16 I.P.U. Ltd., Nassau Longitudinal cutting machine for slabs in continuous casting plant - where position of slab edge is continuously monitored to keep flame cutting burner on desired path

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553207A (en) * 1968-12-16 1971-01-05 Parke Davis & Co Phenylpyrazolodiazepinone compounds
US3553210A (en) * 1968-12-16 1971-01-05 Parke Davis & Co 3-methyl-8-phenylpyrazolo(4,3-e)(1,4)diazepin-5(1h)-one, 7-oxide compounds

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
A Burger, Medicinal Chemistry, Fourth edition, Part III, John Wiley, New York, pages 987-994 *

Also Published As

Publication number Publication date
DE3231187A1 (en) 1984-02-23
ATE21491T1 (en) 1986-09-15
ES8404626A1 (en) 1984-05-16
DE3365449D1 (en) 1986-09-25
EP0103203A1 (en) 1984-03-21
ES525036A0 (en) 1984-05-16

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