EP1426126A1 - Steuerungssystem von einem Verschlussteil in einem Stranggiessanlage, und entsprechende Stranggiessanlage - Google Patents

Steuerungssystem von einem Verschlussteil in einem Stranggiessanlage, und entsprechende Stranggiessanlage Download PDF

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Publication number
EP1426126A1
EP1426126A1 EP03356191A EP03356191A EP1426126A1 EP 1426126 A1 EP1426126 A1 EP 1426126A1 EP 03356191 A EP03356191 A EP 03356191A EP 03356191 A EP03356191 A EP 03356191A EP 1426126 A1 EP1426126 A1 EP 1426126A1
Authority
EP
European Patent Office
Prior art keywords
control assembly
motor
assembly according
movement
continuous casting
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.)
Granted
Application number
EP03356191A
Other languages
English (en)
French (fr)
Other versions
EP1426126B1 (de
Inventor
Michel Dussud
Patrick Simonnin
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.)
D'etudes Et De Realisations Techniques Sert Ste
Original Assignee
D'etudes Et De Realisations Techniques Sert Ste
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by D'etudes Et De Realisations Techniques Sert Ste filed Critical D'etudes Et De Realisations Techniques Sert Ste
Publication of EP1426126A1 publication Critical patent/EP1426126A1/de
Application granted granted Critical
Publication of EP1426126B1 publication Critical patent/EP1426126B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B22D41/14—Closures
    • B22D41/16—Closures stopper-rod type, i.e. a stopper-rod being positioned downwardly through the vessel and the metal therein, for selective registry with the pouring opening
    • B22D41/20—Stopper-rod operating equipment

Definitions

  • the present invention relates to a control assembly a shutter belonging to a casting installation continuous, as well as a continuous casting installation provided with such a control assembly.
  • a continuous casting operation consists, first, of pouring molten metal in a tank, also known as a distributor, from a poached.
  • a tank also known as a distributor
  • This tank is furthermore provided with a shutter, also called distaff.
  • the distaff is operated by means of a control assembly, also called actuator, according to a stroke ensuring a satisfactory filling phase of the mold.
  • the shutter control assembly includes a training tree, free of slide in a translational movement relative to a guide assembly.
  • This drive shaft is integral with an arm of return, directly supporting the shutter. It is in addition provided a rotary servo-motor, as well as a device for transforming the rotary movement, imparted by this motor, in a translational movement of the tree.
  • this transformation device movement is realized in the form of a screw jack. he it should also be noted that the motor is offset laterally with respect to the drive shaft, in referring to the main direction of the latter.
  • the shutter control assembly has a relatively large size. Furthermore, it is necessary to provide as many motors as there are guidance, which is disadvantageous in economic terms.
  • the invention proposes to remedy the various disadvantages of the prior art mentioned above.
  • a set of controls a shutter for a continuous casting installation comprising a guide assembly, a drive shaft of the shutter, able to move in translation by relative to the guide assembly, a motor having a rotary axis, as well as means capable of transforming the rotary movement of the motor in a translational movement of the drive shaft, characterized in that it is provided means allowing the removable fixing of the motor on the means of transforming the movement, so that the motor is capable of having a grip position and a rest position and in that, in the gripping position, the rotary axis of the motor extends substantially along a main direction of the drive shaft.
  • the invention also relates to an installation for continuous casting, comprising a tank, which is suitable for receive molten metal and which has an orifice ensuring the flow of this molten metal, an ingot mold arranged downstream of this orifice, so that it can collect this molten metal, a shutter intended to seal selectively this orifice, as well as a set of control of this shutter, characterized in that this control assembly is as defined above.
  • the continuous casting installation illustrated on the Figure 1, includes a tank 2, which is filled with molten metal 4, for example steel. The latter was poured into the tank, from a pocket not shown.
  • This stopper rod can be operated according to its main axis, namely vertically in Figure 1, by through a control assembly 10, or actuator, which will be described more precisely in this following.
  • This control assembly 10 comprises in particular a drive shaft 12, which can be moved in translation along arrow F, in this case vertically. This movement of the shaft 12 then induces a displacement of the stopper 6, materialized by the arrow vertical F ', via an intermediate arm 14.
  • the walls of the nozzle 8 are moreover provided a tube 16, made of a refractory material, which opens into an ingot mold 18.
  • the latter receives a dummy not shown, intended to be progressively removed, in order to ensure in known manner the extraction of a solidified metal bar, also not shown.
  • FIGS 2 to 5 illustrate, more precisely, the control unit 10.
  • control set also includes a set of fixed guide, of conventional type, which is designated in its together by reference 20.
  • This assembly 20 has a cylindrical barrel 22, on which are attached flanges 24, allowing the fixing on a plate 26, integral with the tank 2.
  • This barrel 22 contains, as is known as such, two ball bushings 28, as well as a device 30, allowing conventionally to prevent the rotation of the shaft 12 around its vertical axis A.
  • the barrel 22 is screwed, at its lower end, on a base 32, which is itself extended, opposite of the barrel, by an annular skirt 34.
  • the latter defines thus, with the walls facing the base 32, a housing 36, connected to an opening central unit 38, axially hollowed out in the base 32.
  • the walls of the skirt 34 carry pins 40 extending radially inward.
  • the function of these pawns 40 which are provided here three in number, will be explained in the following.
  • the control assembly 10 further comprises a motor 42, of the conventional type, provided with a rotary axis 44, extending vertically. This engine is partially received in a box 46, fitted with handles 48, as well as a power supply 50.
  • This box 46 is closed, at its upper part facing the barrel 22, of a cover 52, in which is dug a central hole for the passage of axis 44.
  • This the latter is united, through a key 54, of a first coupling member 56, received in a flexible case 58, which will both be described in more detail below.
  • This case 58 is arranged in the interior volume a connecting piece 60, of cylindrical shape, which is fixed to the motor 42 by any suitable means.
  • the wall of this connecting piece 60 is hollowed out with different notches 62, which are provided in a number corresponding to that of pawns 40.
  • each notch 62 which has overall an L shape, opens axially at the level from the end of the connecting piece 60 opposite the cover.
  • This notch is extended by a radial notch 64, which defines an end cavity 66, bordered by a neck intermediate 68.
  • the control assembly 10 also includes means for transforming the rotary movement of the motor 42 in a translational movement of the shaft 12.
  • these means comprise a jack screw 70, known as such, which is housed mainly in the barrel 22 of the guide assembly 20.
  • the axis 72 of this jack 70 which passes through the base 32, is secured, by means of a key 74, to a second coupling member 76.
  • This axis 72 which can be driven by the axis 44 of the motor 42, is able to cooperate, classic way, with a nut 78 secured to the shaft 12.
  • the two coupling members 56 and 76 have grooves, defining two by two of the recesses. In service, in a conventional manner, the grooves of one of these two organs penetrate into the recesses of each other, so there is a possibility temporary coupling, with declutching, between these two organs 56 and 76.
  • member 56 is housed at remains in the flexible housing 58, while the member 76 is able to enter this case temporarily.
  • an elastic element 80 is provided, in the occurrence a spring washer, intended to bring back towards the bottom the coupling member 76.
  • the operator When the motor 42 is detached from the shaft 10, the operator has a part of the engine mentioned above, which is housed in its box 46 provided with handling handles 48, the coupling member 56 finding it accessible.
  • the coupling member 76 present at the lower end of the axis of the jack 70, is also accessible.
  • each pin 40 is received in a corresponding cavity 66, after having crossed an intermediate neck 68.
  • the spring washer 80 ensures an axial return effect of each pin 40 at the bottom of the cavity 66, according to arrow f 3 of this same figure 5. This thus prevents any untimely exit from this pin 40, outside of its cavity 66.
  • the motor 42 can be fixed, in a removable manner, on the axis 72 of the screw jack 70.
  • this motor has two positions, namely a grip position, in which the two couplings 56 and 76 cooperate mutually, as well as a rest position, in which the above couplings are distant from each other.
  • the means for fixing this motor 42 to this jack 70 are bayonet type. They do indeed involve a translational movement, combined with a movement of rotation of the motor relative to this cylinder.
  • the axis 44 of the motor 42 drives the shaft 12, by through the means of transformation of the movement, which include the two coupling members 56 and 76, as well as the screw jack 70. In this position, the rotary axis 44 of the motor 42 extends substantially along the main axis A of the drive shaft 12.
  • box 46 in which the motor 42, is located below the barrel 22, substantially in continuation of the latter. This is advantageous, in terms of compactness of the control assembly 10 of the distaff 6.
  • this control assembly 10 is provided with a lever, not shown, intended so classic to manual movement of the shaft 12. This is to be compared with teaching of EP-A-0 734 801, in which the device making it possible to manually operating the stopper rod consists of a handwheel coupled to a ball screw.
  • the invention achieves the objectives previously mentioned.
  • the set of control according to the invention is compact remarkable, in service. This is to compare with art front, in which the motor is offset laterally with respect to the guide assembly.
  • the closure emergency stopper is carried out by gravity, on simple deactivation of the engine.
  • the weight of the mobile system, including the tree, the arm and the stopper, is enough to bring down the distaff, so as to allow such an emergency closure.
  • EP-A-0 734 801 in which an electrical resource is used by accumulation, which implements the entire chain of motorization, namely the electronic device for control, cables, motor and ball screw.
  • a failure of one of these organs such as lifting of a cable or an engine failure, thus makes any emergency closing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Basic Packing Technique (AREA)
  • Paper (AREA)
  • Continuous Casting (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • Transmission Devices (AREA)
EP03356191A 2002-12-04 2003-12-03 Steuerungssystem von einem Verschlussteil in einem Stranggiessanlage, und entsprechende Stranggiessanlage Expired - Lifetime EP1426126B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0215290 2002-12-04
FR0215290A FR2848131B1 (fr) 2002-12-04 2002-12-04 Ensemble de commande d'un obturateur appartenant a une installation de coulee continue, et installation de coulee continue correspondante

Publications (2)

Publication Number Publication Date
EP1426126A1 true EP1426126A1 (de) 2004-06-09
EP1426126B1 EP1426126B1 (de) 2011-03-23

Family

ID=32309995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03356191A Expired - Lifetime EP1426126B1 (de) 2002-12-04 2003-12-03 Steuerungssystem von einem Verschlussteil in einem Stranggiessanlage, und entsprechende Stranggiessanlage

Country Status (7)

Country Link
US (1) US6960317B2 (de)
EP (1) EP1426126B1 (de)
KR (1) KR101081950B1 (de)
CN (1) CN1286599C (de)
AT (1) ATE502708T1 (de)
DE (1) DE60336447D1 (de)
FR (1) FR2848131B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3782748A1 (de) 2019-08-20 2021-02-24 Refractory Intellectual Property GmbH & Co. KG Antriebsvorrichtung für einen stopfenverschluss an einem metallurgischen gefäss

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8210402B2 (en) * 2009-02-09 2012-07-03 Ajf, Inc. Slag control shape device with L-shape loading bracket
US8580186B2 (en) * 2010-04-19 2013-11-12 Novelis Inc. Flow control apparatus for molten metal
EP2574414A1 (de) 2011-09-30 2013-04-03 Siemens VAI Metals Technologies GmbH Elektromechanischer Stopfenantrieb
DE102013218345B4 (de) 2013-09-12 2021-02-04 Sms Group Gmbh Vorrichtung zum Verschließen einer Abflussöffnung in einem metallurgischen Gefäß

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1139241B (de) * 1960-08-23 1962-11-08 Juenkerather Maschbau Gmbh Betaetigungsvorrichtung fuer den Stopfen einer Giesspfanne
GB970513A (en) * 1962-03-31 1964-09-23 Junkerather Maschinenfabrik G Means for operating the stoppers of casting ladles
JPH04270049A (ja) * 1991-02-25 1992-09-25 Sumitomo Metal Ind Ltd 連続鋳造機のストッパ装置及び湯面レべル制御装置
US5674426A (en) * 1995-03-28 1997-10-07 Concast Standard Ag Device for controlling an inflow of metal by means of a stopper

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4953761A (en) * 1988-09-27 1990-09-04 Inductotherm Corp. Stopper rod spatial control mechanism
EP1169115B1 (de) * 1999-04-09 2006-03-29 Pyrotek, Inc. Kupplung für ein behandlungssystem für geschmolzenes metall

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1139241B (de) * 1960-08-23 1962-11-08 Juenkerather Maschbau Gmbh Betaetigungsvorrichtung fuer den Stopfen einer Giesspfanne
GB970513A (en) * 1962-03-31 1964-09-23 Junkerather Maschinenfabrik G Means for operating the stoppers of casting ladles
JPH04270049A (ja) * 1991-02-25 1992-09-25 Sumitomo Metal Ind Ltd 連続鋳造機のストッパ装置及び湯面レべル制御装置
US5674426A (en) * 1995-03-28 1997-10-07 Concast Standard Ag Device for controlling an inflow of metal by means of a stopper

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 017, no. 059 (M - 1363) 5 February 1993 (1993-02-05) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3782748A1 (de) 2019-08-20 2021-02-24 Refractory Intellectual Property GmbH & Co. KG Antriebsvorrichtung für einen stopfenverschluss an einem metallurgischen gefäss
WO2021032354A1 (de) 2019-08-20 2021-02-25 Refractory Intellectual Property Gmbh & Co. Kg Antriebsvorrichtung für einen stopfenverschluss an einem metallurgischen gefäss
CN114258330A (zh) * 2019-08-20 2022-03-29 里弗雷克特里知识产权两合公司 用于冶金器皿处的柱塞封闭的驱动装置

Also Published As

Publication number Publication date
FR2848131A1 (fr) 2004-06-11
US20040108636A1 (en) 2004-06-10
FR2848131B1 (fr) 2006-01-06
US6960317B2 (en) 2005-11-01
KR20040048843A (ko) 2004-06-10
ATE502708T1 (de) 2011-04-15
DE60336447D1 (de) 2011-05-05
KR101081950B1 (ko) 2011-11-09
CN1504286A (zh) 2004-06-16
EP1426126B1 (de) 2011-03-23
CN1286599C (zh) 2006-11-29

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