EP1944106B1 - A slide gate for a molten-steel vessel - Google Patents

A slide gate for a molten-steel vessel Download PDF

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Publication number
EP1944106B1
EP1944106B1 EP06805069.9A EP06805069A EP1944106B1 EP 1944106 B1 EP1944106 B1 EP 1944106B1 EP 06805069 A EP06805069 A EP 06805069A EP 1944106 B1 EP1944106 B1 EP 1944106B1
Authority
EP
European Patent Office
Prior art keywords
slider
carrier frame
ladle
arc notch
housing
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.)
Not-in-force
Application number
EP06805069.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1944106A4 (en
EP1944106A1 (en
Inventor
Yueqin Liu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1944106A1 publication Critical patent/EP1944106A1/en
Publication of EP1944106A4 publication Critical patent/EP1944106A4/en
Application granted granted Critical
Publication of EP1944106B1 publication Critical patent/EP1944106B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status 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
    • B22D41/24—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 characterised by a rectilinearly movable plate
    • 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
    • B22D41/28—Plates therefor
    • B22D41/34—Supporting, fixing or centering means therefor

Definitions

  • the present invention relates to a ladle flow control system installed on the outer side of base plate at the liquid steel outlet of ladle, which belongs to the technical field of machine manufacturing.
  • the rail wheel is generally set on the slider, and the rail is fixed on the carrier frame.
  • the relative motion between the slider and the carrier frame in this flow control system is achieved through the rolling of rail wheel on the rail. Since the pressure transmission in this structure is achieved by means of rail wheel, its force transmission point is constantly changing, which results in rather obvious fluctuation in pressure. In this way, potential safety hazards may exist, so that the safety factor of machine is greatly reduced and untimely maintenance may cause accident.
  • EP 1 029 618 A1 discloses a molten metal pouring amount control apparatus for adjusting an opening of a nozzle hole in a fixed plate and an opening of a nozzle hole in a sliding plate by sliding a slide frame by means of a driving means, the control apparatus further comprising guide units each including a plurality of steel balls arranged in line between the slide frame and springs, the guide units being provided on both sides of the sliding plate.
  • DE 2736817B1 discloses a slide gate consisting of a slide plate and a amounting frame. Rollers are set on the slide plate, and rails are fixed on the moulting frame. The relative motion between the slide plate and the mounting frame is achieved through the rolling of rollers on the rails.
  • WO 2006/027804 A1 discloses a dispensing device for steel casting and the like, showing a first refractory element having a through opening placed in correspondence of a runoff nozzle of the steel casting and a second refractory element associated with the first refractory element and showing a respective through opening.
  • the second element is movable between a first position, wherein the respective openings of the first and the second element are coincident and define a passage gap of said castling, and a second position, wherein the respective openings are moved apart one from the other in order not to allow the passage of the casting. It is also foreseen a pushing means acting on said second refractory element for keeping the second element itself abutted against the first element.
  • the technical object of the present invention is to provide a ladle flow control system aiming at overcoming the deficiency of prior art.
  • the fluctuation of system pressure is obviously reduced, so that the overall stability of the system is improved.
  • a ladle flow control system including a base plate fixed on the ladle, wherein a housing is fixed on this base plate; the top of the housing is connected with the driving mechanism of ladle sliding nozzle;
  • a carrier frame is provided on this housing, an elastic used for generating pressure is set on the carrier frame, and a slider is provided on the carrier frame. Notches are set on the corresponding surfaces of housing and slider. The bottom plate and the slide plate are respectively embedded in the notch.
  • a rolling mechanism is provided on said carrier frame, and a guide mechanism is set on the slider correspondingly. The guide mechanism correspondingly set on the slider makes reciprocating motion relative to the rolling mechanism set on the carrier frame, so as to control the open or close of ladle sliding nozzle.
  • the rolling mechanism may be composed of the rollers symmetrically set on the carrier frame, and the guide mechanism may be the guide rail set on the edge of slider.
  • the orientation pin-jointed part is correspondingly set on the inner side at one end of carrier frame and on the outer side at one end of slider, so that the slider may rotate around the carrier frame in a definite mode with the orientation pin-jointed part as its rotating shaft, without the risk of detachment by itself.
  • the orientation pin-jointed part is composed of an arc notch set on the inner side at one end of the carrier frame and a conex correspondingly set on the outer side at one end of slider, or be composed of a conex set on the inner side at one end of carrier frame and an arc notch correspondingly set on the outer side at one end of the slider, with this conex being embedded in the arc notch.
  • This arc notch is in the shape of sleeve with an opening being set on its side wall. The width of this opening is corresponding to the diameter of the conex set on the outer side at the bottom of slider.
  • the conex is embedded along the opening of arc notch.
  • the elastic is a spring box with built-in spring nest. The upper and lower ends of this spring box constitute a carrier frame through two mutually connected beams, and this carrier frame is hinged on the housing.
  • the rolling mechanism is symmetrically set on the carrier frame, and the guide mechanism is correspondingly set on the slider.
  • the fluctuation of its pressure is obviously reduced, so that the overall stability of the system is improved.
  • Figure 1 is the No.1 overall structure scheme of the embodiment 1 of present invention.
  • the present invention provides a ladle flow control system, which includes the base plate 1 fixed on the ladle; A housing 2 is fixed on this base plate 1, and one end of the housing 2 is connected with the driving mechanism 3 of sliding nozzle.
  • a carrier frame 4 is provided on this housing 2, and an elastic used for generating pressure is provided on the carrier frame 4;
  • a slider 5 is also set through pivot on the carrier frame 4;
  • the notch 21 and notch 51(Not shown in the Figure) are set on the corresponding surfaces of the housing 2 and the slider 5;
  • the bottom plate 22 and the slide plate 52 are respectively embedded in the notch 21 and the notch 51;
  • a rolling mechanism is set on the carrier frame 4, and a guide mechanism is correspondingly set on the slider 5;
  • the guide mechanism correspondingly set on the slider makes reciprocating motion relative to the rolling mechanism set on the carrier frame, so as to control the open or close of the ladle sliding nozzle.
  • the rolling mechanism is the roller 41 set on the carrier frame.
  • Figure 2 is the partial structure scheme of the half-axle roller, the rolling mechanism of present invention.
  • said roller 41 may be set as half-axle rollers according to need, and the structure of the half-axle 42 is as shown in Figure 2 .
  • the roller 41 is set on the half-axle 42 and may rotate with the half-axle 42 as its shaft.
  • the half-axle 42 is fixed on the carrier frame 4.
  • Figure 3 is the No.1 structure scheme of the slider of present invention.
  • the guide mechanism is the rail 51 set at the edge of slider 5. This rail 51 is fixed on the slider 5. Since this rail 51 is an easily worn part, it is required to separately set from the rail 51 and the slider 5, so as to facilitate the replacement of rail 51.
  • Figure 4 is the No.2 overall structure scheme of the embodiment 1 of present invention.
  • the orientation pin-jointed part is correspondingly set on the inner side at the bottom of one end of carrier frame 4 and set on the outer side at the bottom of one end of slider 5, so that the slider 5 rotates around the carrier frame 4 with the orientation pin-jointed part as its rotating shaft, which may facilitate the orientation of slider 5 in the process when it is installed on the carrier frame 4.
  • Figure 5 is the No.2 structure scheme of the slider of present invention.
  • the orientation pin-jointed part is composed of the arc notch 44 set on the inner side at the bottom of one end of carrier frame and the conex 52 set on the outer side at the bottom of one end of slider 5, with this conex 52 being embedded in the arc notch 44.
  • the arc notch 44 is in the shape of sleeve with an opening being set on its sidewall.
  • the width of this opening 441 (As shown in Figure 1 ) corresponds to the diameter of the conex 52 set on the outer side at the bottom of slider 5.
  • the conex 52 will be embedded along the opening 441 of the arc notch 44.
  • said elastic is the spring nest 6;
  • a room 45 is provided on the carrier frame 4 to accommodate this spring nest 6.
  • the orientation pin-jointed part correspondingly set on the inner side at the bottom of carrier frame 4 and on the outer side at the bottom of slider 5 may also be composed of the bump (not shown in the figure) set on the inner side at the bottom of carrier frame 4 and the notch 53 set on the outer side at the bottom of slider 5. This conex 52 is embedded in the notch 53.
  • a cylinder bracket 31 for the driving mechanism of sliding nozzle is set on the top of the housing 2, and three sets of driving mechanisms for sliding nozzle are set in this cylinder bracket 31, which are designed to drive the motion of slider 5.
  • a heat shield panel 7 used for heat insulation is also provided on the external of carrier frame 4.
  • the assembly process of the ladle flow control system provided in this embodiment is described as follows: Firstly, fix the housing 2 on the base plate 1 of ladle, fix the cylinder bracket 31 of the driving mechanism for sliding nozzle on the top of housing 2, fix the carrier frame 4 with heat shield panel 7 on the housing 2, place the spring nest 6 into the room 45 inside the carrier frame 4 and seal this room. Then, embed the conex 52 on slider 5 into the arc notch 44 on carrier frame 4, turn the slider 5 downward, load the driving mechanism 3 into the cylinder bracket 31 and fix it.
  • Figure 6 is the overall structure scheme of the embodiment 2 of present invention. As may be known from Figure 6 , the difference between this embodiment and embodiment 1 consists in the structure of elastic.
  • the elastic in this embodiment is the spring box 100 with built-in spring nest, the upper and lower ends of this spring box 100 constitute a carrier frame 103 through two mutually connected beams 101 and 102, and this carrier frame 103 is hinged on the housing 2.
  • the installation procedures for the spring box 100 itself are as follows: The spring rod 104 passes through the spring box 100 through the hole at the bottom of spring box 100; After the long groove (not shown in the Figure) has been put in the spring nest 105, the spring holddown 106 is assembled with the spring rod 104 through the hold on itself and holds down the spring holddown 106 through the action between the nut and spring rod.
  • the rolling mechanism makes motion on the guide mechanism to control the stagger and alignment of the nozzle 9 and exchangeable collector nozzle 10 and achieve the open or close of ladle sliding nozzle, so as to control the flow and casting action in the casting process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
EP06805069.9A 2006-10-26 2006-10-26 A slide gate for a molten-steel vessel Not-in-force EP1944106B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/002864 WO2008049278A1 (fr) 2006-10-26 2006-10-26 Porte coulissante destinée à un contenant en acier fondu

Publications (3)

Publication Number Publication Date
EP1944106A1 EP1944106A1 (en) 2008-07-16
EP1944106A4 EP1944106A4 (en) 2012-07-11
EP1944106B1 true EP1944106B1 (en) 2016-09-07

Family

ID=39324101

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06805069.9A Not-in-force EP1944106B1 (en) 2006-10-26 2006-10-26 A slide gate for a molten-steel vessel

Country Status (5)

Country Link
EP (1) EP1944106B1 (zh)
JP (1) JP4995921B2 (zh)
KR (1) KR101242783B1 (zh)
CN (1) CN100522419C (zh)
WO (1) WO2008049278A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100959071B1 (ko) * 2008-06-12 2010-05-20 조선내화 주식회사 슬라이드 게이트
CN101569928B (zh) * 2009-06-11 2011-05-11 河南省伯马股份有限公司 一种钢包钢水浇铸流量控制滑动机构
CN101972846A (zh) * 2010-11-02 2011-02-16 维苏威高级陶瓷(苏州)有限公司 一种新型钢包滑动机构
CN102861909A (zh) * 2012-09-13 2013-01-09 河南省伯马股份有限公司 一种液压压紧侧开门钢水流量控制阀
CH707075B1 (de) * 2012-10-11 2021-01-15 Refractory Intellectual Property Gmbh & Co Kg Schiebeverschluss für ein Metallschmelze enthaltendes Gefäss.
WO2017033953A1 (ja) * 2015-08-27 2017-03-02 黒崎播磨株式会社 スライド金枠の位置決め機構
CN105215344A (zh) * 2015-11-16 2016-01-06 张钧峰 一种耐材消耗低的滑动水口装置
CN105537908B (zh) * 2015-12-31 2017-12-22 广东法拉达汽车散热器有限公司 铝塑汽车散热器压装设备

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Publication number Priority date Publication date Assignee Title
JPS49105729A (zh) * 1973-02-13 1974-10-07
DE2736817C2 (de) * 1977-08-16 1980-09-18 Martin & Pagenstecher Gmbh, 5000 Koeln Schieberverschluß für ein Gießgefäß
JPH09206922A (ja) * 1996-02-05 1997-08-12 Toshiba Ceramics Co Ltd スライドゲート用プレートの着脱装置及びスライドゲート用プレートのスライド盤
RU2104123C1 (ru) * 1996-09-26 1998-02-10 Акционерное общество открытого типа "Вулкан-Т" Шиберный затвор литейного ковша
JP3247941B2 (ja) * 1997-10-31 2002-01-21 日本鋼管株式会社 スライディングノズル用プレート
CN2323893Y (zh) * 1998-01-22 1999-06-16 邯郸市正泰冶金技术开发有限公司 钢包滑动水口控制装置
ATE277707T1 (de) * 1998-07-26 2004-10-15 Stopinc Ag Schiebeverschluss für einen metallschmelze enthaltenden behälter
RU2147971C1 (ru) * 1999-01-25 2000-04-27 Алпатов Анатолий Александрович Шиберный затвор литейного ковша
WO2000050188A1 (en) * 1999-02-25 2000-08-31 Sumitomo Heavy Industries Foundry & Forging Co., Ltd. Slide gate
JP3614817B2 (ja) * 2001-12-28 2005-01-26 品川白煉瓦株式会社 スライドバルブの面圧負荷装置
CN2560456Y (zh) * 2002-08-14 2003-07-16 刘悦钦 带快速更换浸入式下水口的中间包滑动水口机构
DE10324801A1 (de) 2003-06-02 2005-01-05 Knöllinger FLO-TEC GmbH Gießpfannenschieber
JP4602709B2 (ja) * 2004-08-02 2010-12-22 品川リフラクトリーズ株式会社 スライドバルブ装置及びその耐火物交換方法
EP1786581B1 (en) * 2004-09-07 2008-04-02 CO.ME.CA Costruzioni Meccaniche Carpenteria S.P.A. Dispensing device for steel casting and the like
JP4216244B2 (ja) * 2004-11-11 2009-01-28 品川白煉瓦株式会社 鋳造設備におけるスライドバルブ装置

Also Published As

Publication number Publication date
EP1944106A4 (en) 2012-07-11
JP2010507483A (ja) 2010-03-11
WO2008049278A1 (fr) 2008-05-02
KR101242783B1 (ko) 2013-03-12
CN101189087A (zh) 2008-05-28
KR20090077871A (ko) 2009-07-16
EP1944106A1 (en) 2008-07-16
JP4995921B2 (ja) 2012-08-08
CN100522419C (zh) 2009-08-05

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