KR20090077871A - Ladle flow control system - Google Patents

Ladle flow control system Download PDF

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Publication number
KR20090077871A
KR20090077871A KR1020087000489A KR20087000489A KR20090077871A KR 20090077871 A KR20090077871 A KR 20090077871A KR 1020087000489 A KR1020087000489 A KR 1020087000489A KR 20087000489 A KR20087000489 A KR 20087000489A KR 20090077871 A KR20090077871 A KR 20090077871A
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KR
South Korea
Prior art keywords
carrier frame
slider
flow control
ladle
housing
Prior art date
Application number
KR1020087000489A
Other languages
Korean (ko)
Other versions
KR101242783B1 (en
Inventor
웨킨 리우
Original Assignee
웨킨 리우
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 웨킨 리우 filed Critical 웨킨 리우
Priority to PCT/CN2006/002864 priority Critical patent/WO2008049278A1/en
Publication of KR20090077871A publication Critical patent/KR20090077871A/en
Application granted granted Critical
Publication of KR101242783B1 publication Critical patent/KR101242783B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14Closures
    • B22D41/22Closures 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
    • B22D41/24Closures 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/14Closures
    • B22D41/22Closures 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
    • B22D41/28Plates therefor
    • B22D41/34Supporting, fixing or centering means therefor

Abstract

The present invention is a ladle flow control system, comprising: a base plate fixed on the ladle; A housing is fixed on the base plate, and an upper end of the housing is connected to a driving mechanism of the sliding nozzle; A carrier frame is installed on the housing, and an elastic body used for generating pressure is provided on the carrier frame; A slider is installed on the carrier frame; A notch is set on a corresponding surface of the housing and the slider, a bottom plate and a slide plate are respectively inserted in the notch, a rotating mechanism is installed on the carrier frame, and a guide mechanism is installed on the slider correspondingly. Become; A guide mechanism correspondingly installed on the slider is provided with a ladle flow control system which causes a reciprocating motion relative to the rotating mechanism installed on the carrier frame to control the opening and closing of the ladle sliding nozzle. In the present invention, the rotating mechanism is provided symmetrically on the carrier frame, and the guide mechanism is correspondingly provided on the slider. With relative movement between the slider and the carrier frame, the fluctuations in pressure are significantly reduced, improving the overall stability of the system. The elastic element separates in the high temperature region, which not only results in a relatively low working temperature, but also can withstand pressure and increase in life or performance.

Description

Ladle Flow Control System {LADLE FLOW CONTROL SYSTEM}

TECHNICAL FIELD The present invention relates to the technical field of machine building and relates to a ladle flow control system mounted on an outer surface of a base plate at a liquid steel outlet of a ladle.

Among the prior art ladle flow control systems, the rail wheels are generally mounted on the sliders and the rails are fixed on the carrier frame. The relative motion between the carrier frame and the slider of this flow control system is obtained through the rotation of the rail wheels on the rails. Since the pressure transmission in this structure is obtained by the rail wheels, the force transmission point is constantly changed, which causes an apparent fluctuation in pressure. In this way, there may be a potential safety hazard, which significantly reduces the safety factor of the machine, and improper maintenance may lead to accidents.

It is a technical object of the present invention to provide a ladle flow control system for overcoming the drawbacks of the prior art. In the relative motion between the slider and the carrier frame, the variability in system pressure is reliably reduced, thereby improving the overall stability of the system.

The technical object as described above of the present invention is achieved by the following technical solution.

A ladle flow control system includes a base plate fixed on the ladle, the housing being fixed on the base plate; An upper end of the housing is connected to a drive mechanism of the ladle sliding nozzle; A carrier frame is provided on the housing; An elastic body used for pressure generation is installed on the carrier frame, and a slider is provided on the carrier frame. The notch is set on the corresponding surface of the slider and the housing. The bottom plate and the slide plate are respectively inserted in the notches. A rotating mechanism is provided on the carrier frame, and correspondingly a guide mechanism is installed on the slider. Correspondingly, the guide mechanism provided on the slider makes a reciprocating motion relative to the rotation mechanism provided on the carrier frame to control the opening and closing of the ladle sliding nozzle.

The rotating mechanism may consist of a roller symmetrically mounted on the carrier frame, and the guide mechanism may be a guide rail installed on the edge of the slider. The directional pin-connections are correspondingly installed on the inner side of one end of the carrier frame and the outer side of one end of the slider, so that the slider has a carrier in a constant mode with the directional pin-connection as the axis of rotation, without the risk of its own detachment. It can rotate around the frame. The directional pin-connection consists of an arcuate notch set on the inner side of one end of the carrier frame and a conex correspondingly installed on the outer side of one end of the slider, or on the inner side of one end of the carrier frame. And a concave notch set correspondingly on the outer surface of one end of the slider and the connexion installed in the conex. The arcuate notch is in the shape of a sleeve with an opening set on the side wall. The width of this opening corresponds to the diameter of the connexion provided on the outer surface of the bottom of the slider. In assembly, the connexion is inserted along the opening of the arcuate notch. The elastic body is a spring box with a built-in spring nest. The upper and lower ends of this spring box constitute a carrier frame through two interconnected beams, the carrier frame being hinged to the housing.

In summary, in the present invention, the rotating mechanism is installed symmetrically on the carrier frame, and the guide mechanism is correspondingly installed on the slider. In the relative motion between the slider and the carrier frame, the fluctuations in the pressure are clearly reduced, thereby improving the overall stability of the system.

The technical proposals of the present invention will be described in detail below in conjunction with the accompanying drawings and examples.

1 is a first overall configuration diagram of a first embodiment of the present invention;

2 is a block diagram of a half-axle roller of the present invention, that is, a rotating mechanism,

3 is a first configuration diagram of the slider of the present invention;

4 is a second overall configuration diagram of the first embodiment of the present invention;

5 is a second configuration diagram of the slider of the present invention;

6 is an overall configuration diagram of a second embodiment of the present invention.

Example  One

1 is a first overall configuration diagram of a first embodiment of the present invention. As shown in FIG. 1, the present invention is a ladle flow control system, comprising a base plate 1 fixed on a ladle; A housing 2 is fixed to the base plate 1, and one end of the housing 2 is connected to the drive mechanism 3 of the sliding nozzle. In addition, the carrier frame 4 is provided on this housing 2, and the elastic body used for generating pressure is provided on the carrier frame 4; The slider 5 is pivotally mounted on the carrier frame 4; Notches 21 and notches 51 (not shown) are set on corresponding surfaces of housing 2 and slider 5; Bottom plate 22 and slide plate 52 are inserted into notches 21 and notches 51, respectively; A rotating mechanism is installed on the carrier frame 4; A guide mechanism is correspondingly provided on the slider 5; The guide mechanism correspondingly installed on the slider executes a reciprocating motion relative to the rotary mechanism installed on the carrier frame, in order to control the opening and closing of the ladle sliding nozzle. The rotating mechanism is a roller 41 provided on the carrier frame. 2 shows a partial configuration of a half-axle roller, ie the rotary mechanism of the present invention. As can be seen from FIG. 2, the roller 41 can be installed as a half-axle roller as needed, and the configuration of the half-axle 42 is as shown in FIG. The roller 41 is installed on the half-axle 42 and can rotate with the half-axle 42 as its axis. Half-axle 42 is fixed on carrier frame 4. 3 is a first configuration diagram of the slider of the present invention. As can be seen from FIG. 3, the guide mechanism is a rail 51 provided at the edge of the slider 5. This rail 51 is fixed on the slider 5. Since the rail 51 is an easily worn part, it is necessary to be installed separately from the rail 51 and the slider 5 in order to facilitate the replacement of the rail 51.

4 is a second overall configuration diagram of the first embodiment of the present invention. As can be seen from FIG. 4, the directional pin-connecting portion is a rotational axis that can easily hold the directionality of the slider 5 when the slider 5 is installed on the carrier frame 4. And on the inner side in the bottom of one end of the carrier frame 4 and the outer side of the bottom of one end of the slider 5 so as to rotate around the carrier frame 4. 5 is a second configuration diagram of the slider of the present invention. As can be seen from FIG. 4 with reference to FIG. 5, the directional pin-connecting portion is provided at the bottom of one end of the slider 5 and notch 44 which is set on the inner side at the bottom of one end of the carrier frame. Conex 52 is installed on the outer side, the conex 52 is inserted into the arcuate notch 44. The arcuate notch 44 is in the shape of a sleeve with an opening set on its side wall. The width of the opening 441 (shown in FIG. 1) corresponds to the diameter of the connex 52 provided on the outer surface at the bottom of the slider 5. In assembly, the connexion 52 will be inserted along the opening 441 of the arcuate notch 44. As can be seen from FIG. 1, the elastic body is a spring nest 6, and a space 45 is provided on the carrier frame 4 to receive the spring nest 6. As can be seen in connection with FIG. 3, a directional connection correspondingly installed on the inner side at the bottom of the carrier frame 4 and the outer side at the bottom of the slider 5 is provided in the carrier frame 4. It may also consist of a bump (not shown in the figure) provided on the inner side surface at the bottom and a notch 53 set on the outer side surface at the bottom of the slider 5. The connexion 52 is inserted into the notch 53.

As shown in Fig. 1, the cylinder bracket 31 for the drive mechanism of the sliding nozzle is installed on the upper end of the housing 2, and the three sets of the drive mechanism for the sliding nozzle are installed on the cylinder bracket 31, and the slider It is designed to drive the movement of 5. A heat shield panel 7 used for thermal insulation is further provided on the outside of the carrier frame 4.

In the assembly process of the ladle flow control system provided in this embodiment, first, the housing (2) fixing step on the base plate (1) of the ladle, the cylinder bracket 31 of the drive mechanism for the nozzle sliding, the housing (2) Securing the carrier frame 4 with the heat shield panel 7 on the housing 2, positioning the spring nest 6 in the space 45 inside the carrier frame 4. Sealing the space, and then inserting the conex 52 on the slider 5 into the arcuate notch 44 on the carrier frame 4, rotating the slider 5 downwards, Mounting and securing the drive mechanism (3) to the cylinder bracket (31), and installing well blocks (8) and nozzles (9) and placing them into the bottom plate (22) and the slide plate (52), respectively. The drive mechanism (3) to the slider (5). Connecting grooves (not shown in the drawing) to the grooves, connecting the protruding device with the interior of the slider plate 52 and the bottom plate 22, and rotating the slider 5 upwards to give the slider 5 Is engaged with the housing 2 in the carrier frame 4, installing a replaceable collector nozzle 10 in place before the drive mechanism is retracted, and the slider 5 when the drive mechanism 3 is retracted. Extraction from the carrier frame 4 is described as the step of closing and locking the heat shield panel 7 and the extraction step, in which the elastic body increases the pressure. In this way, the installation of the entire system is completed.

Example  2

6 is an overall configuration diagram of a second embodiment of the present invention. As can be seen from FIG. 6, the difference between the present embodiment and the first embodiment lies in the configuration of the elastic body. The elastic body in this embodiment is a spring box 100 having a built-in spring nest, the upper and lower end portions of which constitute a carrier frame 103 through two interconnected beams 101 and 102, the carrier The frame 103 is hinged on the housing 2.

In this embodiment, the installation process for the spring box 100 itself is such that the spring rod 104 penetrates the spring box 100 through the hole in the bottom of the spring box 100, and an elongated groove (not shown in the drawing). Spring clamp 106 is assembled with the spring rod 104 via its own gripping, and the spring clamp 106 is gripped through the action between the nut and the spring rod. do.

Since the other technical features of this embodiment are the same as those of the first embodiment, unnecessary detailed description is omitted. For more detailed description, reference may be made to the foregoing.

Although the two embodiments described above have differences in their internal construction, they have the same casting process. Under the action of the drive mechanism 3, the rotary mechanism allows movement on the guide mechanism to control the staggering and alignment of the nozzle 9 and the replaceable collector nozzle 10, and allows flow and casting operations in the casting process. Opening and closing of the ladle sliding nozzle can be achieved for control.

Finally, the following points should be mentioned. The above examples are only used to describe the present invention rather than intended to limit the present invention, and although the detailed description of the present invention has been provided with reference to the preferred embodiments, those skilled in the art will appreciate It is to be understood that modifications or equivalent equivalents to the present invention without departing from the spirit and scope of the invention should be covered by the claims herein.

Claims (7)

  1. A ladle flow control system, comprising: a base plate fixed on the ladle; A housing is fixed on the base plate, and an upper portion of the housing is connected to a drive mechanism of the sliding nozzle; A carrier frame is installed on the housing, and an elastic body used for generating pressure on the carrier frame is provided; A slider is installed on the carrier frame; In a ladle flow control system, a notch is set on a corresponding surface of the housing and slider, and a bottom plate and a slide plate are respectively embedded in the notch.
    A rotation mechanism is installed on the carrier frame, and a guide mechanism is installed on the slider correspondingly; The guide mechanism correspondingly installed on the slider generates a reciprocating motion relative to the rotation mechanism provided on the carrier frame in order to control the opening and closing of the ladle sliding nozzle.
    Ladle flow control system.
  2. The method of claim 1,
    The rotating mechanism is characterized by consisting of a roller symmetrically installed on the carrier frame
    Ladle flow control system.
  3. The method according to claim 1 or 2,
    The guide mechanism is characterized in that the rail is installed on the edge of the slider
    Ladle flow control system.
  4. The method according to claim 1, 2 or 3,
    The directional pin-connecting portion is provided in correspondence with the inner side of one end of the carrier frame and the outer side of one end of the slider, so that the carrier frame is of a constant type having the directional pin-connected portion as a rotation axis without the risk of detaching the slider by itself. Characterized by being rotated around
    Ladle flow control system.
  5. The method of claim 4, wherein
    The directional pin-connecting portion is composed of an arcuate notch set on the inner side of one end of the carrier frame and a conex correspondingly installed on the outer side of one end of the slider, or one end of the carrier frame. And an arched notch set correspondingly on the outer side of one end of the slider and the arced notch embedded in the arced notch.
    Ladle flow control system.
  6. The method of claim 5, wherein
    The arcuate notch has the shape of a sleeve having an opening formed on its sidewall; The width of the opening corresponds to the diameter of a connex installed on an outer surface at the bottom of the slider; The assembly is characterized in that when the assembly is buried along the opening of the arched notch
    Ladle flow control system.
  7. The method according to claim 1, 2 or 3,
    The elastic body is a spring box having a built-in spring nest; Upper and lower end portions of the spring box constitute a carrier frame through two interconnected beams, the carrier frame being hinged on the housing.
    Ladle flow control system.
KR1020087000489A 2006-10-26 2006-10-26 Ladle flow control system KR101242783B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/002864 WO2008049278A1 (en) 2006-10-26 2006-10-26 A slide gate for a molten-steel vessel

Publications (2)

Publication Number Publication Date
KR20090077871A true KR20090077871A (en) 2009-07-16
KR101242783B1 KR101242783B1 (en) 2013-03-12

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Application Number Title Priority Date Filing Date
KR1020087000489A KR101242783B1 (en) 2006-10-26 2006-10-26 Ladle flow control system

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EP (1) EP1944106B1 (en)
JP (1) JP4995921B2 (en)
KR (1) KR101242783B1 (en)
CN (1) CN100522419C (en)
WO (1) WO2008049278A1 (en)

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KR100959071B1 (en) * 2008-06-12 2010-05-20 조선내화 주식회사 Slide gate
CN101569928B (en) * 2009-06-11 2011-05-11 河南省伯马股份有限公司 Sliding mechanism controlling ladle molten steel casting flow rate
CN101972846A (en) * 2010-11-02 2011-02-16 维苏威高级陶瓷(苏州)有限公司 Novel steel ladle sliding mechanism
CN102861909A (en) * 2012-09-13 2013-01-09 河南省伯马股份有限公司 Hydraulically compressed molten steel flow control valve with side opening door
CH707075A2 (en) * 2012-10-11 2014-04-15 Refractory Intellectual Prop Sliding closure on the spout of a container containing molten metal and method for adjusting of shutter plates in sliding closure.
WO2017033953A1 (en) * 2015-08-27 2017-03-02 黒崎播磨株式会社 Positioning mechanism for sliding metal frame
CN105215344A (en) * 2015-11-16 2016-01-06 张钧峰 The sliding nozzle device that a kind of refractory consumption is low
CN105537908B (en) * 2015-12-31 2017-12-22 广东法拉达汽车散热器有限公司 Plastic-aluminum automobile radiators press-loading device

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JPH09206922A (en) * 1996-02-05 1997-08-12 Toshiba Ceramics Co Ltd Device for attaching/detaching plate for slide gate and slide disk of plate for slide gate
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JP3247941B2 (en) * 1997-10-31 2002-01-21 メンテック機工株式会社 Plate for sliding nozzle
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Also Published As

Publication number Publication date
WO2008049278A1 (en) 2008-05-02
EP1944106A1 (en) 2008-07-16
EP1944106B1 (en) 2016-09-07
JP4995921B2 (en) 2012-08-08
CN101189087A (en) 2008-05-28
JP2010507483A (en) 2010-03-11
CN100522419C (en) 2009-08-05
EP1944106A4 (en) 2012-07-11
KR101242783B1 (en) 2013-03-12

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