WO1997026099A1 - Schwingvorrichtung für stranggiesskokille - Google Patents
Schwingvorrichtung für stranggiesskokille Download PDFInfo
- Publication number
- WO1997026099A1 WO1997026099A1 PCT/EP1997/000049 EP9700049W WO9726099A1 WO 1997026099 A1 WO1997026099 A1 WO 1997026099A1 EP 9700049 W EP9700049 W EP 9700049W WO 9726099 A1 WO9726099 A1 WO 9726099A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- continuous casting
- mold
- support cage
- support
- cage
- Prior art date
Links
Classifications
-
- 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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/053—Means for oscillating the moulds
Definitions
- Vibrating device for continuous casting mold is a Vibrating device for continuous casting mold.
- the invention relates to a vibrating device for a continuous casting mold, in particular for the continuous casting of steel.
- the molds When continuously casting steel strands, the molds are oscillated in the casting direction in order to prevent the strand from sticking to the cooled inner walls of the pouring tube.
- These vibrations of the mold can, for example, have a frequency of a few Hertz and an amplitude of more than 10 mm, the vibrating mass making up several tons.
- the oscillation of the mold therefore requires a very high level of performance. From this it follows that it is desirable to keep the vibrating mass as small as possible.
- a classic vibrating device comprises a lifting table on which the continuous casting mold is arranged as a unit. These lift tables have a relatively large mass and also require a lot of space below the mold, where this space is not always available.
- the international patent application WO 95/03904 describes a mold which has a fixed housing to which a pouring tube is connected via two elastically deformable, annular sealing membranes in such a way that it can vibrate in the housing along the pouring axis.
- the annular sealing membranes seal an annular pressure chamber for a cooling liquid around the pouring tube.
- the pouring tube At its upper end, the pouring tube comprises lateral bearing journals with which it is suspended in a rocker arm. The latter is rotatably mounted in the housing about a horizontal axis.
- a lever arm is sealed out of the pressure chamber and connected to a lifting cylinder that generates the vibrations.
- a disadvantage of this mold is that the replacement of the pouring tube is relatively complex since the ring-shaped sealing membranes first have to be dismantled.
- the international patent application WO 95/05910 describes a compact vibrating device which has an annular lifting cylinder has, in which a mold, ' consisting of a pouring tube and a cooler, can be axially suspended.
- the cooling box of the mold is connected to a cooling water circuit via flexible pipe connections.
- the mold can be installed and removed relatively easily from this oscillating device, but the oscillating device is relatively complex in construction due to the annular lifting cylinder, in particular for molds with a large cross section.
- the object of the present application is to create a compact and simple oscillating device in which the continuous casting mold can be installed and removed relatively easily. This object is achieved by a vibrating device according to claim 1.
- An oscillation device comprises a support structure, an oscillation lever which has a fork-shaped first lever arm and a second opposite lever arm, this oscillation lever being mounted in the support structure such that it can be pivoted about an axis by means of first rotary joints, a stroke generator which is connected to a second lever arm of the oscillation lever, and a support cage for hanging a continuous casting coke, which support cage is connected to the fork-shaped first lever arm of the rocking lever via second swivel joints.
- the continuous casting mold therefore only needs to be hung in the support cage attached to the rocker arm and is therefore particularly easy to install and remove.
- the rocker arm with support cage is a simple construction that can be adapted to molds with a large cross-section with reasonable effort and takes up little or no space below the mold.
- the weight of the continuous casting mold can be largely compensated for by a counterweight on the second lever arm of the rocking lever, so that the stroke generator does not have to work against the total weight of the continuous casting mold and can therefore be designed to be relatively small.
- the oscillating device advantageously comprises at least one guide member which is connected to the support structure via a first swivel joint and to the support cage via a second swivel joint. If the support cage with the inserted continuous casting mold is to oscillate along a circular arc-shaped center line of a casting strand which is curved in the form of an arc, the axes of the Swivel joints are perpendicular to a plane in which the circular arc-shaped center line is contained, in which plane a first straight line intersects the axes of the swivel joints between the rocker arm and support cage and rocker arm and support structure, and a second straight line the axes of the swivel joints between the guide member and support cage and guide member and Carrier structure intersects, and these axes are in such a way that the first straight line and the second straight line intersect approximately in the center of curvature of the circular arc-shaped center line of the casting strand. If the support cage should always remain parallel to itself when swinging, the
- the rocker arm and / or the guide members each have at least one channel for a cooling liquid, which opens via a first swivel connection, in one of the first swivel joints, into a pipe socket that is fixed relative to the support structure, and the via a second swivel joint, in one of the second swivel joints, opens into a pipe socket that is fixed relative to the support cage.
- a flow or return line of an external cooling circuit can be rigidly connected to the pipe socket, which is fixed relative to the supporting structure.
- a supply or return line of an inner cooling circuit of a continuous casting mold can be rigidly connected to the pipe socket which is fixed relative to the support cage.
- the support cage advantageously comprises a lower and upper U-shaped frame which are advantageously rigidly connected to one another.
- the continuous casting mold can be inserted laterally, the lower and the upper U-shaped frame each being closable by a crossbar.
- the support cage advantageously comprises lateral pressure means for centering the continuous casting mold in the casting axis without play.
- the invention also relates to a continuous casting device with a vibrating device as described above.
- a continuous casting device has, for example, a continuous casting mold with at least one upper collector, which is designed as a support to match the upper U-shaped frame.
- the continuous casting mold can be designed as a tubular mold or can be composed of molded plates. If the continuous casting mold is composed of shaped plates, the support cage improves its mechanical stability.
- the aforementioned mold plates each advantageously have a box-shaped upper and lower collector, which are arranged such that when the continuous casting mold is mounted in the support cage, the upper collector of the mold plate rests on the upper U-shaped frame, and the lower collector the lower U-shaped frame reaches under.
- the lower and upper collectors advantageously each have at least one cooling liquid connection and are connected to one another by cooling channels in the molding plate. In order to ensure a uniform flow against these cooling channels, the lower and upper collectors each have a cross-sectional constriction between the cooling liquid connection and the mouths of the cooling channels.
- a continuous casting mold comprises a plurality of coolant supply or return connections, it advantageously surrounds at least one supply or return ring line.
- These ring lines are connected via at least one, essentially rigid pipe connection to at least one of the pipe sockets which are fixed relative to the support cage, and are connected via spur lines to the flow or return connections of the continuous casting mold.
- FIG. 1 a perspective view of a vibrating device according to the invention with an expanded continuous casting mold and an open support cage;
- Figure 2 is a schematic representation of the vibrating device as a gear
- 3 shows a longitudinal section through a continuous casting mold in the support cage of a vibrating device according to the invention, the continuous casting mold being connected to a cooling circuit via rocker arms and guide members;
- FIG. 4 a cross section through a continuous casting mold similar to that in FIG. 3, the rocker arm and its swivel joints also being partially cut;
- FIG. 5 shows a plan view of the continuous casting apparatus of FIG. 3.
- the oscillation device in FIG. 1 essentially consists of a support structure 10 (shown in dashed lines), an oscillation lever 12, a stroke generator 14, two guide members 16 'and 16 "and a support cage 18 for a continuous casting mold 20 (shown here in the removed state).
- the support structure 10 consists of a cylindrical housing 22 and a mounting plate 24.
- the rocking lever 12 is fastened in the housing by means of two swivel joints 26 ', 26 "in such a way that it can swing about a substantially horizontal axis 28. It comprises one first, fork-shaped lever arm 30, and a second, opposite, one-piece lever arm 32.
- the stroke generator 14, which is advantageously designed as a hydraulic lifting cylinder, is connected in an articulated manner to the second lever arm 32.
- This lifting cylinder 14 is also articulated with a housing flange 34 is connected and supported by the latter on the support structure 10.
- the two guide members 16 ', 16 are likewise fastened in the housing by means of two swivel joints 26', 26" in such a way that they are both about an essentially horizontal axis 38 can swing.
- the support cage 18 is connected to the rocker arm 12 via pivot joints 40 ', 40 "(only the pivot joint 40" is visible in FIG. 1) such that
- Rocker arm 12 and support cage 18 about an axis 42 relative to each other are rotatable.
- the support cage 18 is also connected via pivot joints 44 ', 44 "(only the pivot joint 44" is visible in FIG. 1) to the guide members 16', 16 "in such a way that the guide members 16 ', 16" and the support cage 18 are relative about an axis 46 are rotatable to each other.
- the vibrating device is shown in a highly simplified manner as a gear, the aforementioned axes of rotation 28, 38, 42 and 46 are all perpendicular to the plane of Figure 2 and are therefore shown as points.
- the supporting structure 10, which surrounds the supporting cage as the outer housing is indicated as fixed points 10 ', 10 "and 10'".
- the individual movable members of the transmission are the rocker arm 12, with its two arms 30 and 32, the guide members 16 ', 16 ", and the support cage 18.
- the reference number 19 shows a counterweight. Such a counterweight can be on the second lever arm 32 are attached in order to compensate for the moment of weight of the support cage 18 with inserted mold 20 acting on the lever 30.
- the drive of the transmission is shown as a lifting cylinder 14.
- G1 denotes a straight line which is defined by points 28, 42
- G2 is a straight line which is defined by points 38, 42.
- the radius of such an arc-shaped casting strand is for example about 10 m.
- the support cage 18 swings, in the case of small Schwingu ngs amplitudes (in the order of magnitude of about 10 mm), in a first approximation tangential to the circular arc 50.
- the inclination of the support cage 18 relative to the vertical changes like the inclination of the tangent to the circular arc 50.
- the lines G1 and G2 parallel to each other, the vibrating support cage 18 would always remain parallel to itself, that is, remain vertical in the embodiment shown.
- the support cage essentially comprises an upper U-frame 50 and a lower U-frame 52. Both U-frames are rigidly connected to one another via vertical profiles 54.
- the continuous casting mold 20 serves as a support for a collar-shaped support 60 of the continuous casting mold le 20.
- the continuous casting mold 20 is inserted laterally into the support cage 18.
- the lower U-frame 52 is advantageously gripped by a collar-shaped lower border 62 of the continuous casting mold 20.
- the two U-frames 50 and 52 are closed by crossbeams 50 ', 52'.
- Pressing means, for example screws 56, are advantageously arranged on all four sides of the support cage 18 in such a way that they are supported on the one hand on the support cage and on the other hand on the continuous casting mold 20 in order to enable play-free centering of the continuous casting mold 20 in the supporting cage 18.
- the continuous casting mold 18 can be designed as a tubular or plate mold for casting a wide variety of products, such as billets, pre-profiles (beam blanks), slabs, thin slabs, etc.
- a particularly advantageous embodiment of a plate mold for the oscillating device is shown in the figures.
- This plate mold is composed of four shaped plates 64 which form a pouring channel with an essentially rectangular or square cross section.
- FIG. 3 shows a longitudinal section through two of these shaped plates 64.
- Such a molding plate 64 each includes an upper and lower box-shaped collector 66 and 68, which are designed such that they form the upper collar-shaped support 60 or the lower collar-shaped border 62 of the continuous casting mold 20 in the assembled mold.
- Each of the collectors 66 and 68 has a connection 66 'or 68' for a coolant line.
- the coolant flows, for example, through the connection 68 ′ into the lower collector 68.
- the latter pass through the body 72 of the molding plate 64, which can be made of pure copper or a copper alloy, for example, before they open into the upper collector 66 via a cross-sectional constriction 66" .
- the cooling channels 70 are arranged in the body 72 of the mold plate 64 in such a way that a perfect cooling of the surface 74 of the mold plate 64 in the pouring channel is ensured.
- the cooling channels 70 ' are, for example, as Bores or cast channels in the body 72 of the molding plate 64 are performed.
- the cooling channels 70 are advantageously milled into the body 72 and closed with a welded-on plate 71
- the milled cooling channels 70 lie at a constant distance behind the curved cooling surface.
- a gap-shaped cooling space can also be arranged behind the cooling surface, which is then advantageously divided into cooling channels by ribs.
- the mold plate like a sandwich, is advantageously composed of two halves.
- the continuous casting mold suspended in the support cage could of course, as is known, be supplied with a cooling liquid via flexible lines. 4 and 5, however, a far more advantageous solution for supplying the continuous casting mold with a cooling liquid in an oscillating device according to the invention is described.
- the continuous casting mold is supplied with a cooling liquid via the four swivel joints 26 ', 26 ", 40', 40" and the two arms 30 ', 30 "of the rocker arm 12.
- the swivel joint 26' comprises one cylindrical support pin 100, which is fixed in a rotationally fixed manner to the support structure 10 and has an axial blind bore 102.
- the support pin 100 is inserted into a bearing bore 104 of the rocker arm 12.
- the axial blind bore 102 forms a radial opening 106. Opposite the opening 106 forms a Channel 110 in arm 30 'of rocker arm 12 also has an orifice 112. Both orifices 106 and 112 are designed such that when the rocker arm 12 rotates around the support pin 100, they always overlap sufficiently to ensure that the cooling medium passes over smoothly -Rings 108 or other sealing means, the radial play of the trunnion 100 in the bearing bore 104 is axial
- the hinge 40 is constructed similarly.
- a cylindrical support pin 120 which has an axial blind bore 122, is connected in a rotationally fixed manner to the support cage 18.
- This support pin 120 is in a bearing bore 124 of the arm 30 ' of the rocker arm 12 introduced.
- blind bores 122 are connected to the channel 110 in the arm 30 'of the rocker arm 12 via openings which overlap in the bearing bore 124.
- the coolant can now be introduced into the axial bore 102 via a pipe socket (schematically indicated by arrow 103) which is fixedly connected to the fixed bearing journal 102. From here it can pass into the channel 110, pass through this channel 110 into the swivel joint 40 ', pass into the blind bore 122 of the pivot 120 here and flow through the blind hole 122 into a pipe connection 130' which is firmly connected to the pivot 102 .
- This pipe connection 130 ' which can be oscillated with the support cage 18 opens into a ring line 132 which is connected by stub lines 134 (see FIG. 5) to the individual connections 68' of the lower collector 68 of the continuous casting mold.
- the second arm 30 "of the rocker arm 12, with the swivel joints 26" and 40 " can then, as shown in FIG. 4, be designed as a connection of the upper collector 66 of the continuous casting mold to a fixed return line for the cooling liquid (indicated schematically by arrow 105)
- a second ring line 136 is connected via branch lines 134 (see FIG. 5) to the individual connections 66 'of the upper collector 66 of the continuous casting mold 20.
- a rigid pipe connection 130 "rigidly connects this second ring line 136" to the pivot pin of the swivel joint 40 "on (the second ring line 136 can thus also be oscillated with the mold 20.
- the coolant passes from the swivel joint 40" into the second lever arm 30 "and passes via this into the swivel joint 26", where it enters the fixed return line 105.
- both arms 30 'and 30 "of the rocker arm 12 can also be used for the supply of the cooling liquid.
- the rocker arm 12 is advantageously connected to the lower end of the support cage 18, and the guide members 16 ', 16 "are advantageously connected to the upper end of the support cage 18
- the guide members 16 ', 16 " can then advantageously be folded up out of the support structure 10, so that the toroidal coil of the electromagnetic stirrer can simply be inserted from above, without the rocker arm 12, the guide members 16', 16" or the support cage 18 to dismantle.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Confectionery (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Die Bonding (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU15917/97A AU1591797A (en) | 1996-01-18 | 1997-01-09 | Oscillator for continuous casting die |
DK97902164T DK0876230T3 (da) | 1996-01-18 | 1997-01-09 | Svingindretning til strengstøbekokille |
DE59700687T DE59700687D1 (de) | 1996-01-18 | 1997-01-09 | Schwingvorrichtung für stranggiesskokille |
EP97902164A EP0876230B1 (de) | 1996-01-18 | 1997-01-09 | Schwingvorrichtung für stranggiesskokille |
US09/091,721 US6167940B1 (en) | 1996-01-18 | 1997-01-09 | Continuous casting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU88702 | 1996-01-18 | ||
LU88702A LU88702A1 (de) | 1996-01-18 | 1996-01-18 | Schwingvorrichtung fuer Stranggiesskokille |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997026099A1 true WO1997026099A1 (de) | 1997-07-24 |
Family
ID=19731574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/000049 WO1997026099A1 (de) | 1996-01-18 | 1997-01-09 | Schwingvorrichtung für stranggiesskokille |
Country Status (9)
Country | Link |
---|---|
US (1) | US6167940B1 (de) |
EP (1) | EP0876230B1 (de) |
AT (1) | ATE186485T1 (de) |
AU (1) | AU1591797A (de) |
DE (1) | DE59700687D1 (de) |
DK (1) | DK0876230T3 (de) |
ES (1) | ES2138856T3 (de) |
LU (1) | LU88702A1 (de) |
WO (1) | WO1997026099A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998053935A1 (de) * | 1997-05-30 | 1998-12-03 | Paul Wurth S.A. | Stranggiessvorrichtung |
WO2012098253A1 (de) * | 2011-01-21 | 2012-07-26 | Sms Siemag Ag | OSZILLATOR ZUR ERZEUGUNG VON VERTIKAL OSZILLIERENDEN SCHWINGUNGEN EINER STRANGGIEßKOKILLE |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6338380B1 (en) * | 2001-04-27 | 2002-01-15 | O'dwyer James P. | Multiport mold cooling apparatus for continuous casting |
NO320216B1 (no) * | 2004-03-16 | 2005-11-14 | Heggset Engineering As | Anordning ved maskin for vertikal stoping av metall |
US8108982B2 (en) * | 2005-01-18 | 2012-02-07 | Floodcooling Technologies, L.L.C. | Compound mold tooling for controlled heat transfer |
CN1310721C (zh) * | 2005-04-11 | 2007-04-18 | 姜虹 | 连铸机轻型结晶器 |
IT201800005890A1 (it) * | 2018-05-31 | 2019-12-01 | Dispositivo di oscillazione per una lingottiera di un impianto per la produzione di acciaio in colata continua | |
CN109047689A (zh) * | 2018-09-30 | 2018-12-21 | 燕山大学 | 单伺服电机双侧同步驱动结晶器非正弦振动装置 |
CN109332611A (zh) * | 2018-11-21 | 2019-02-15 | 南阳汉冶特钢有限公司 | 一种水冷钢锭模 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2932548A1 (de) * | 1978-08-23 | 1980-03-06 | Continua Int | Oszillations-vorrichtung fuer stranggiesskokillen in metall-, insbesondere stahl-stranggiessanlagen |
EP0031133A1 (de) * | 1979-12-19 | 1981-07-01 | Concast Holding Ag | Vorrichtung zum Oszillieren einer Stranggiesskokille |
US4593743A (en) * | 1985-05-09 | 1986-06-10 | Continuous Casting Systems Inc. | Continuous casting apparatus having oscillator for mold tube |
WO1996002338A1 (en) * | 1994-07-20 | 1996-02-01 | Sms Concast Inc. | Mold oscillator for continuous casting apparatus |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT373800B (de) * | 1982-06-18 | 1984-02-27 | Voest Alpine Ag | Stranggiessanlage |
-
1996
- 1996-01-18 LU LU88702A patent/LU88702A1/de unknown
-
1997
- 1997-01-09 DK DK97902164T patent/DK0876230T3/da active
- 1997-01-09 DE DE59700687T patent/DE59700687D1/de not_active Expired - Fee Related
- 1997-01-09 WO PCT/EP1997/000049 patent/WO1997026099A1/de active IP Right Grant
- 1997-01-09 ES ES97902164T patent/ES2138856T3/es not_active Expired - Lifetime
- 1997-01-09 AU AU15917/97A patent/AU1591797A/en not_active Abandoned
- 1997-01-09 AT AT97902164T patent/ATE186485T1/de not_active IP Right Cessation
- 1997-01-09 US US09/091,721 patent/US6167940B1/en not_active Expired - Fee Related
- 1997-01-09 EP EP97902164A patent/EP0876230B1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2932548A1 (de) * | 1978-08-23 | 1980-03-06 | Continua Int | Oszillations-vorrichtung fuer stranggiesskokillen in metall-, insbesondere stahl-stranggiessanlagen |
EP0031133A1 (de) * | 1979-12-19 | 1981-07-01 | Concast Holding Ag | Vorrichtung zum Oszillieren einer Stranggiesskokille |
US4593743A (en) * | 1985-05-09 | 1986-06-10 | Continuous Casting Systems Inc. | Continuous casting apparatus having oscillator for mold tube |
WO1996002338A1 (en) * | 1994-07-20 | 1996-02-01 | Sms Concast Inc. | Mold oscillator for continuous casting apparatus |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998053935A1 (de) * | 1997-05-30 | 1998-12-03 | Paul Wurth S.A. | Stranggiessvorrichtung |
US6298905B1 (en) | 1997-05-30 | 2001-10-09 | Paul Wurth S.A. | Continuous casting equipment |
WO2012098253A1 (de) * | 2011-01-21 | 2012-07-26 | Sms Siemag Ag | OSZILLATOR ZUR ERZEUGUNG VON VERTIKAL OSZILLIERENDEN SCHWINGUNGEN EINER STRANGGIEßKOKILLE |
Also Published As
Publication number | Publication date |
---|---|
US6167940B1 (en) | 2001-01-02 |
AU1591797A (en) | 1997-08-11 |
ATE186485T1 (de) | 1999-11-15 |
EP0876230B1 (de) | 1999-11-10 |
DK0876230T3 (da) | 2000-08-28 |
ES2138856T3 (es) | 2000-01-16 |
EP0876230A1 (de) | 1998-11-11 |
LU88702A1 (de) | 1997-07-18 |
DE59700687D1 (de) | 1999-12-16 |
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