EP3424618A1 - Fermeture coulissante pour un récipient contenant un métal en fusion - Google Patents

Fermeture coulissante pour un récipient contenant un métal en fusion Download PDF

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Publication number
EP3424618A1
EP3424618A1 EP17179692.3A EP17179692A EP3424618A1 EP 3424618 A1 EP3424618 A1 EP 3424618A1 EP 17179692 A EP17179692 A EP 17179692A EP 3424618 A1 EP3424618 A1 EP 3424618A1
Authority
EP
European Patent Office
Prior art keywords
linear drive
drive
holder
rod
hydraulic cylinder
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
EP17179692.3A
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German (de)
English (en)
Other versions
EP3424618B1 (fr
Inventor
Damian SCHACHER
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.)
Refractory Intellectual Property GmbH and Co KG
Original Assignee
Refractory Intellectual Property GmbH and Co KG
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Publication date
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Application filed by Refractory Intellectual Property GmbH and Co KG filed Critical Refractory Intellectual Property GmbH and Co KG
Priority to EP17179692.3A priority Critical patent/EP3424618B1/fr
Priority to JP2019568692A priority patent/JP7177795B2/ja
Priority to PCT/EP2018/064453 priority patent/WO2019007597A1/fr
Priority to RU2019143836A priority patent/RU2766944C2/ru
Priority to CN201880036150.4A priority patent/CN110662616B/zh
Priority to KR1020197035022A priority patent/KR102543316B1/ko
Priority to US16/616,799 priority patent/US11192180B2/en
Priority to BR112019025043-3A priority patent/BR112019025043B1/pt
Publication of EP3424618A1 publication Critical patent/EP3424618A1/fr
Priority to ZA2019/07930A priority patent/ZA201907930B/en
Publication of EP3424618B1 publication Critical patent/EP3424618B1/fr
Application granted granted Critical
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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
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • 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
    • B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
    • B22D41/38—Means for operating the sliding gate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor

Definitions

  • the invention relates to a sliding closure for a vessel containing molten metal according to the preamble of claim 1.
  • a generic sliding closure is in the document EP 0 875 320 B1 is disclosed, which serves to regulate the pouring out of the vessel during casting by being opened, closed or controlled throttled by moving the slide unit by means of a linear drive via the openings of the mutually braced refractory closure plates. Therefore, first the push rod of the Slider unit to be coupled to the drive rod of the linear drive. This is done automatically by means of the linear drive, by its drive rod is moved against the push rod of the slide unit. After casting, the linear drive is usually withdrawn from the holder receiving it and remains on the casting platform, while the empty vessel is brought to a pan or the like for maintenance. The linear drive is inserted laterally into a guide groove of the latter for easier assembly in the holder, in which it is held largely positive fit during the casting process.
  • the invention has for its object to improve a sliding closure of the type mentioned in such a way that with him an automated assembly and disassembly of his linear drive before and after the casting is possible.
  • the linear drive is formed by a hydraulic cylinder which is provided with a main piston driving the drive rod and an auxiliary piston movable independently of this for actuating the locking device.
  • the invention provides that the additional piston is provided with a locking head guided on the drive rod, which moves out of the interior of the hydraulic cylinder on the front side when the additional piston is acted upon in the locking direction and positively and / or non-positively into a correspondingly shaped recess in the Holder penetrates while it is removed upon actuation of the additional piston in the unlocking from the recess in the holder and moves back into the interior of the hydraulic cylinder.
  • a particularly suitable linear drive according to the invention is characterized in that it is designed to be multifunctional by the locking of the linear drive in the holder, the coupling of its drive rod to the push rod of the slide unit and the displacement of the slide unit during the casting process for controlling the outflow of the Molten metal from the vessel accomplished.
  • the hydraulic cylinder in such a way that its interior by the main piston and the additional piston in three independently Pressure chambers is subdivided, wherein the hydraulic cylinder is locked upon application of the middle chamber and the drive rod is coupled upon application of the rear chamber with the push rod of the slide unit or is displaced upon application of the middle chamber for regulating the casting process, during the hydraulic cylinder upon application the front chamber is unlocked.
  • the hydraulic cylinder so that it is provided between the two pistons with a serving as a stop for the additional piston partition with an opening for free passage of the drive rod.
  • Fig. 1 to Fig. 3 show a holder 5 of an indicated slide housing 1 and a recordable in this linear actuator 6 for a sliding closure, which has the slide housing 1 and a longitudinally guided in this via a push rod 2 slide unit.
  • the linear drive 6 is usually installed only in the holder of the sliding closure, after the particular intended as a pan vessel is placed on the casting platform of a continuous casting filled with molten metal. This is advantageously done with a robot manipulator not shown in detail, which can be coupled with a coupling piece 10 'of the linear drive 6 and thereby inserts the linear drive 6 with its flange 20 laterally into a recess of the holder 5.
  • the sliding closure according to the invention is equipped with an operable with the linear drive 6 and cooperating with the holder 5 locking device 7.
  • This locking device 7 After the insertion of the linear drive 6 in the holder 5 advantageously with the Roboteremanipulator a secure fixation of the same achieved or when removing the linear drive, this is solved again, bringing the linear drive after insertion into the holder in this fixable or before the removal of the same is unlocked again.
  • This locking device 7 has a preferably cylindrical locking head 8, which is positively inserted in the locked state in a likewise cylindrical recess 9 of the holder 5.
  • this locking head 8 is removable upon actuation of the additional piston 12 of the locking device 7 in the unlocking of the recess 9.
  • the linear drive 6 operating according to the invention comprises a hydraulic cylinder 10 with two independently movable pistons 11 and 12, the main piston 11 serving to actuate the drive rod 4, while the auxiliary piston 12 is used to actuate the locking device 7.
  • the locking head 8 is tightly guided on the drive rod 4 and relative to it by the auxiliary piston 12 slidably.
  • the hydraulic cylinder 10 which is provided with a central opening 14 through which the drive rod 4 protrudes.
  • This push rod 2 is connected via a coupling 3 with the drive rod 4 of the linear drive 6, wherein the coupling 3 automatically couples by moving the drive rod 4 of the linear drive against the push rod 2 of the slide unit. It is provided with a coupling part end to the push rod 2 and a coupling part at the front end of the drive rod 4 of the linear drive 6, which couple when moving the drive rod 4, while this clutch 3 when removing the linear drive 6 from the holder 5 transversely to the direction of displacement of the drive rod 4 automatically disengaged.
  • the automatically operating clutch 3 is designed as a dog clutch, the spring-loaded jaw members 16 are spread when advancing the drive rod 4 via the coupling head 17 of the push rod 2 to the outside, they snap by the spring force and the coupling head 17 of the push rod 2 engage around a form fit, as in Fig. 3 shown.
  • the also automatic disengagement is done by pulling out the linear drive 6 side by the two claw elements 16 slide in the snapped state transverse to the longitudinal extension of the push rod 2 on the coupling head 17 until they are laterally detached from it.
  • Fig. 4a to Fig. 4f the operation of the linear actuator 6 is illustrated.
  • the interior of the hydraulic cylinder 10 is divided by two pistons 11 and 12 in three independently acted upon chambers 15a, 15b, 15c, the inlets with corresponding arrows 15, 15 ', 15 "are indicated, in white at beaufschlagter and black at not
  • the central opening 14 in the partition wall 13 allows the free passage of a medium from the chamber 15b into this chamber 15b 'between this partition 13 and the piston 12.
  • Fig. 4b shows the hydraulic cylinder 10 when installed in the holder 5 of the housing with retracted piston 12 and locking head. 8
  • Fig. 4c When the middle chamber 15b is acted on, the hydraulic cylinder 10 is locked to the holder 5 and the drive rod 4 is coupled to the push rod 2 of the slide unit upon application of the rear chamber 15a facing away from this drive rod ( Fig.4d ).
  • the acted chamber 15b is indicated by the arrow 15 'in white or the other two arrows 15, 15 "in uninvited chambers 15a, 15c in black, as in Fig. 4c is apparent.
  • the slide unit When the chambers 15a or 15b are acted upon, the slide unit is activated during casting, and thus an opening or closing or throttling of the sliding closure is effected ( Fig. 4d or. Fig. 4e ). This is indicated in each case by the white arrow 15 or 15 '. In the chamber 15b, such a pressure is maintained that the locking head 8 is always pressed into the recess 9 of the holder 5.
  • the locking head 8 could be pressed into the recess 9 of the holder 5 such that a frictional connection between this and the holder 5 would be achieved.
  • Fig. 4f shows the unlocking of the locking head 8, in which the front chamber 15c in the hydraulic cylinder 10 is subjected to the media pressure, as shown by the white arrow 15 "Once this unlocking is done, the linear actuator 6 can be pulled out laterally, in which the clutch 3 is solved automatically.
  • the inventive locking device 7 is suitable both for so-called two-plate gate valve with a fixed and a movable slide plate and for so-called three-plate slide with two fixed slide plates and a sliding between these slide plate.
  • the coupling could be vice versa provided with the jaw members on the push rod of the slide unit, while the other coupling part with the flange-like design on the drive rod of the linear drive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Actuator (AREA)
EP17179692.3A 2017-07-05 2017-07-05 Fermeture coulissante pour un récipient contenant un métal en fusion Active EP3424618B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP17179692.3A EP3424618B1 (fr) 2017-07-05 2017-07-05 Fermeture coulissante pour un récipient contenant un métal en fusion
US16/616,799 US11192180B2 (en) 2017-07-05 2018-06-01 Sliding gate for a vessel containing molten metal
PCT/EP2018/064453 WO2019007597A1 (fr) 2017-07-05 2018-06-01 Obturateur à tiroir pour récipient contenant un métal en fusion
RU2019143836A RU2766944C2 (ru) 2017-07-05 2018-06-01 Шиберный затвор для контейнера с расплавленным металлом
CN201880036150.4A CN110662616B (zh) 2017-07-05 2018-06-01 用于包含金属熔体的容器的滑动闭锁器及其线性驱动器
KR1020197035022A KR102543316B1 (ko) 2017-07-05 2018-06-01 용융된 금속을 수용하는 용기용 슬라이딩 게이트
JP2019568692A JP7177795B2 (ja) 2017-07-05 2018-06-01 溶融金属を格納する容器のスライドクロージャ
BR112019025043-3A BR112019025043B1 (pt) 2017-07-05 2018-06-01 Fecho deslizante para um recipiente contendo um metal fundido
ZA2019/07930A ZA201907930B (en) 2017-07-05 2019-11-28 Slide closure for a vessel containing a molten metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17179692.3A EP3424618B1 (fr) 2017-07-05 2017-07-05 Fermeture coulissante pour un récipient contenant un métal en fusion

Publications (2)

Publication Number Publication Date
EP3424618A1 true EP3424618A1 (fr) 2019-01-09
EP3424618B1 EP3424618B1 (fr) 2021-03-10

Family

ID=59294973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17179692.3A Active EP3424618B1 (fr) 2017-07-05 2017-07-05 Fermeture coulissante pour un récipient contenant un métal en fusion

Country Status (8)

Country Link
US (1) US11192180B2 (fr)
EP (1) EP3424618B1 (fr)
JP (1) JP7177795B2 (fr)
KR (1) KR102543316B1 (fr)
CN (1) CN110662616B (fr)
RU (1) RU2766944C2 (fr)
WO (1) WO2019007597A1 (fr)
ZA (1) ZA201907930B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4088837A1 (fr) 2021-05-14 2022-11-16 Refractory Intellectual Property GmbH & Co. KG Procédé, en particulier de mise en état d'une fermeture coulissante sur un cuve contenant du métal fondu, ainsi que fermeture coulissante
EP4275813A1 (fr) 2022-05-13 2023-11-15 Refractory Intellectual Property GmbH & Co. KG Fermeture coulissante pour un récipient contenant du métal en fusion

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3424618B1 (fr) * 2017-07-05 2021-03-10 Refractory Intellectual Property GmbH & Co. KG Fermeture coulissante pour un récipient contenant un métal en fusion
FR3111682B1 (fr) * 2020-06-19 2022-10-07 Staubli Sa Ets Dispositif de connexion et ensemble de connexion

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875320B1 (fr) 1997-04-30 2004-01-21 Stopinc Aktiengesellschaft Fermeture à tiroir pour récipients contenant un métal en fusion
US20120037831A1 (en) * 2009-02-18 2012-02-16 Vesuvius Crucible Company Drive device of a regulation valve for casting liquid metal

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CH579485A5 (fr) 1975-01-28 1976-09-15 Metacon Ag
SU925550A1 (ru) * 1980-06-09 1982-05-07 Орско-Халиловский Ордена Трудового Красного Знамени Металлургический Комбинат Шиберный затвор
CH653933A5 (de) * 1981-05-19 1986-01-31 Stopinc Ag Schiebeverschluss fuer schmelzegefaesse.
DE3239948C1 (de) 1982-10-28 1983-08-25 Martin & Pagenstecher GmbH, 5000 Köln Vorrichtung zum Betaetigen eines Schieberverschlusses
JPH0252165A (ja) * 1988-08-12 1990-02-21 Nippon Rootarii Nozuru Kk ロータリーノズル
DE102004054296B4 (de) * 2004-11-09 2021-11-11 Sms Group Gmbh Steuer- und / oder Regeleinrichtung für ein Stützrollengerüst einer Stranggießvorrichtung für Metalle, insbesondere für Stahlwerkstoffe
JP4832860B2 (ja) * 2005-11-17 2011-12-07 東芝機械株式会社 成形機及びバリ検出方法
KR101518523B1 (ko) * 2007-07-16 2015-05-07 스토핑크 아크티엔게젤샤프트 용융 금속을 함유하는 베슬용 슬라이딩 클로져
EP2268433B1 (fr) * 2008-04-17 2013-10-16 Stopinc Aktiengesellschaft Obturateur à tiroir pour récipient contenant un bain métallique
CN201361708Y (zh) * 2008-11-17 2009-12-16 张付会 一种钢包滑动水口机构
WO2010057640A1 (fr) 2008-11-20 2010-05-27 Vesuvius Group S.A. Tube de coulee, dispositif de manipulation de ce tube et dispositif d'entrainement d'une valve
CH710773B1 (de) 2015-02-20 2019-04-30 Refractory Intellectual Property Gmbh & Co Kg Verfahren und Vorrichtung zur Reparatur einer feuerfesten Hülse eines metallurgischen Gefässes.
EP3424618B1 (fr) * 2017-07-05 2021-03-10 Refractory Intellectual Property GmbH & Co. KG Fermeture coulissante pour un récipient contenant un métal en fusion

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0875320B1 (fr) 1997-04-30 2004-01-21 Stopinc Aktiengesellschaft Fermeture à tiroir pour récipients contenant un métal en fusion
US20120037831A1 (en) * 2009-02-18 2012-02-16 Vesuvius Crucible Company Drive device of a regulation valve for casting liquid metal

Non-Patent Citations (1)

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Title
STEINER B ET AL: "Automationsloesungen fuer Pfannenschieberanwendungen", STAHL UND EISEN, VERLAG STAHLEISEN, DUSSELDORF, DE, vol. 128, no. 11, 12 November 2008 (2008-11-12), pages 99 - 112, XP001519747, ISSN: 0340-4803 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4088837A1 (fr) 2021-05-14 2022-11-16 Refractory Intellectual Property GmbH & Co. KG Procédé, en particulier de mise en état d'une fermeture coulissante sur un cuve contenant du métal fondu, ainsi que fermeture coulissante
WO2022238564A1 (fr) 2021-05-14 2022-11-17 Refractory Intellectual Property Gmbh & Co. Kg Procédé de maintenance d'un élément de fermeture coulissant sur un récipient contenant un métal fondu et élément de fermeture coulissant
EP4275813A1 (fr) 2022-05-13 2023-11-15 Refractory Intellectual Property GmbH & Co. KG Fermeture coulissante pour un récipient contenant du métal en fusion
WO2023217884A1 (fr) 2022-05-13 2023-11-16 Refractory Intellectual Property Gmbh & Co. Kg Fermeture coulissante pour récipient contenant du métal en fusion

Also Published As

Publication number Publication date
CN110662616B (zh) 2023-06-27
EP3424618B1 (fr) 2021-03-10
JP2020525287A (ja) 2020-08-27
WO2019007597A1 (fr) 2019-01-10
RU2019143836A (ru) 2021-08-05
KR102543316B1 (ko) 2023-06-13
KR20200026802A (ko) 2020-03-11
US11192180B2 (en) 2021-12-07
JP7177795B2 (ja) 2022-11-24
RU2766944C2 (ru) 2022-03-16
US20200282456A1 (en) 2020-09-10
BR112019025043A2 (pt) 2020-06-16
CN110662616A (zh) 2020-01-07
ZA201907930B (en) 2021-04-28
RU2019143836A3 (fr) 2021-09-02

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