US3717196A - Continuous ingot casting system for the ingot mill - Google Patents
Continuous ingot casting system for the ingot mill Download PDFInfo
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- US3717196A US3717196A US00144739A US3717196DA US3717196A US 3717196 A US3717196 A US 3717196A US 00144739 A US00144739 A US 00144739A US 3717196D A US3717196D A US 3717196DA US 3717196 A US3717196 A US 3717196A
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- mold
- ingot
- track
- molds
- steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D5/00—Machines or plants for pig or like casting
Definitions
- the ingot casting operation has been effectuated in such the inconvenient system that the ingot casting mill where the liquid steel of the casting ladle is charged into the ingot molds is positioned independent of the mold treating zone where the drawing operation after coagulation of the ingot steel as well as the molds repairing take place and the individual working zones are communicated with one another through the overhead travelling crane and the wagon.
- the ingot molds are circulated throughout an endless track of curved or straight line layout providing all the necessary apparatus for the ingot casting operation.
- Another object of the present invention is to provide a continuous ingot casting system in which the ingot molds are circulated throughout an endless track providing along its pertinent portions all the necessary apparatus for the ingot casting including from a teeming device to an ingot carrier for the cogging mill.
- a further object of the present invention is to provide an apparatus for the continuous ingot casting process comprising an endless mold travelling track including arranged therein a teeming device of the liquid steel having a casting ladle and mounted on said track, means for correcting the stop position of the mold which is located under the teeming device, a mold tuming means mounted at a certain distance apart from said correcting means, a mold shifting means cooperative to the mold turning means, means for withdrawing the ingot steel positioned at an advancing terminal end of said mold shifting means, means for conveying the withdrawn ingot steel to the next treating zone, means for returning the reversed mold to its original state, means for cooling the molds and a working table for repairing the molds for use in the next circulation throughout the track.
- FIG. 1 is a pictorial plan view of the continuous ingot casting system comprising the rail track of the curved lines layout according to the invention
- FIG. 2 is a lateral view of FIG. 1;
- FIG. 3 is a pictorial plan view of the ingot casting system comprising the shift rollers track of the straight lines layout according to another embodiment of the present invention.
- FIG. 1 there is illustrated therein in plan view a continuous ingot casting system which is comprised of an endless mold travelling track 10 and is continuously driven by a conventional driving mechanism (not shown) to circulate a group of molds 12.
- the track 10 in case of the curved line layout is comprised of rails 14 and a number of shift rollers 16 aligned in series in case of the straight line layout as best shown in FIG. 3 in which the track 10 at its every corner portion is provided with a mold pushing means 18 for intermittent transfer of the mold by means of a pushing rod 20 of the pushing means 18 so that the mold 12 may travel in turn along the track 10.
- An ingot teeming device 22 is positioned above the track 10 and includes a casting ladle 24 which is movably arranged near the said track 10.
- a casting ladle 24 which is movably arranged near the said track 10.
- the liquid steel isteemed into the mold 12 when stopped at the predetermined position under the teeming device 22.
- a chute 26 for fluidizing the liquid steel leaked from the casting ladle 24 into a storage pot 28.
- a correcting device 30 for the mold stop position is mounted on the track 10 and under the casting ladle 24 to raise the travelling molds l2 perpendicularly so that an outlet connection of the casting ladle 24 is accorded with an inlet connection of the mold 12.
- a mold turning device 32 is also mounted on the track 10 at a certain distance apart from the said correcting means 30 to reverse the molds after formation of the solid film on the surface of the liquid steel by pouring the cold water or spraying the compressed cold air to the inlet connection of the mold.
- the turning device 32 is installed independent of the endless rail 14 or the shift rollers 16 so that the mold 12 when reached at the turning device 32 rests in the mold casting (not shown) which turns to reverse the mold 12.
- the reversed mold 12 is then transferred to a shifting device 34 which provides at its advancing terminal portion an ingot withdrawing device 36.
- the shifting device 34 carries the mold 12 containing the coagulated ingot steel with a proper oscillation so that the ingot steel when the mold reached at the ingot withdrawing device 36 is smoothly removed from the mold by falling down therefrom with its self-load.
- an ingot feeding device 38 for feeding the withdrawn ingot steel into an ingot conveyor 40 divided from the track 10.
- the ingot feeding device 38 is provided with the tilted conveyor 42 for carrying the ingot steel dropping .from the ingot withdrawing device 36 seriatim to the ingot conveyor 40 which is provided at its terminal portion with a turning device 44 adapted to turn the advancing direction of the ingot steel at 90 thereby supplying the ingot steel into an ingot aligning device 46 for aligning the ingots on an ingot accumulating table 48.
- the empty molds 12 after withdrawing the ingot steel are further carried along an extension of the track into a turnable mold feed back device 50 provided on the said track 10 at a certain distance apart from the ingot withdrawing device 36 and the reversed molds 12 are returned to their original state by the turning device 32 so that the inlet connection of the mold is directed to again upwardly.
- a cooling fixture 52 for chilling the molds and a mold working table 54 for cleaning and painting the molds where the molds are sufficiently repaired for use in the next ingot casting operation.
- all of the devices and appliances necessary for effectuating the ingot casting are installed at the proper'portions along the endless track throughout which the molds travel automatically to ensure the continuous ingot casting operation without necessitating any head travelling crane, wagon or lift as used in the conventional ingot casting system.
- the mold turning device included in the ingot casting system according to the invention provides an improved quality of the ingot steel.
- An apparatus for the continuous ingot casting process comprising an endless mold travelling track including arranged therein a teeming device of the liquid steel having a casting ladle and mounted on said track, means for correcting the stop position of the mold which is located under the teeming device, a mold turning means mounted at a certain distance apart from said correcting means, a mold shifting means cooperative to the mold turning means, means for withdrawing the ingot steel positioned at an advancing terminal end of said mold shifting means, means for conveying the withdrawn ingot steel to the next treating zone, means for returning the reversed mold to its original state, means for cooling the molds and working table for repairing the molds for use in the next circulation throughout the track.
- An apparatus as claimed in claim 1, wherein an endless track comprises shift rollers aligned in series.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
A continuous ingot casting system for the ingot mill wherein the ingot molds are circulated throughout an endless mold travelling track providing along its pertinent portions all the necessary apparatus for the ingot casting including from a teeming device of the liquid steel to an ingot carrier for the cogging mill.
Description
Unite States Patent 1 1 [111 3,717,196 Kishi et al. 1 Feb. 20, 1973 54] CONTINUOUS INGOT CASTING 1,666,910 4/1928 Poske ..l64/322 x SYSTEM FOR T INGOT MILL 3,627,028 12/1971 Carignan ..l64/323 [76] Inventors: Ichiro Kishi; Kazuyukl Matsui; Yu- FOREIGN PATENTS OR APPLICATIONS taka Fujlsawa, all of 0/0 ltoh Iron & Steel w k Co, Ltd, No. 5 97,810 4/1897 Germany ..l64/329 chome Matsue Edogawa ku 506,838 12/1954 Italy ..l64/324 Tokyo, Japan Primary Examiner-Robert D. Baldwin [22] May 1971 Assistant Examiner-John E. Roethel [21] Appl. No.: 144,739 Attorney-Ernest A. Greenside 521 U.S. c1 ..164/270, 164/324 ABSTRACT Int- Cl- ..B22d A continuous ingot casting ystem for the ingot [58] Field of Search ,.l64/ 130, 322, 323, 324, 329, wherein the ingot molds are circulated throughout an 164/330, 331, 270, 266, 76 endless mold travelling track providing along its pertinent portions all the necessary apparatus for the 5 References Cited v ingot casting including from a teeming device of the liquid steel to an ingot carrier for the cogging mill.
UNITED STATES PATENTS 3,612,159 10/1971 Galinsky ..164/331 X 3 Claims, 3 Drawing Figures PATENTED FEB20|975 SHEET 10F 2 POE INVENTOR ICHIRO KISHI KAZUYUKI MATSUI YUTAKA FUJISAWA PATENTEB FEB 2 O 973 SHEET 2 OF 2 INVENTOR ICHIRO KISHI KAZUYUKI MATSUI YUTAKA FUJISAWA CONTINUOUS INGOT CASTING SYSTEM FOR THE INGOT MILL BACK GROUND OF THE INVENTION The present invention is concerned with a continuous ingot casting system and, more particularly, to a continuous ingot casting installation for the ingot mill.
l-leretofore, the ingot casting operation has been effectuated in such the inconvenient system that the ingot casting mill where the liquid steel of the casting ladle is charged into the ingot molds is positioned independent of the mold treating zone where the drawing operation after coagulation of the ingot steel as well as the molds repairing take place and the individual working zones are communicated with one another through the overhead travelling crane and the wagon.
Such the system, however, often encounters some difficulty in transportation management even while necessitating considerable construction investment for the incidental equipments with less efficiency of operation.
SUMMARY OF THE INVENTION It is, therefore, a general object of the present invention to obviate the above disadvantages and to provide a continuous ingot casting system which ensures an economical and efficient ingot casting operation.
In accordance with the present invention, the ingot molds are circulated throughout an endless track of curved or straight line layout providing all the necessary apparatus for the ingot casting operation.
Another object of the present invention is to provide a continuous ingot casting system in which the ingot molds are circulated throughout an endless track providing along its pertinent portions all the necessary apparatus for the ingot casting including from a teeming device to an ingot carrier for the cogging mill.
A further object of the present invention is to provide an apparatus for the continuous ingot casting process comprising an endless mold travelling track including arranged therein a teeming device of the liquid steel having a casting ladle and mounted on said track, means for correcting the stop position of the mold which is located under the teeming device, a mold tuming means mounted at a certain distance apart from said correcting means, a mold shifting means cooperative to the mold turning means, means for withdrawing the ingot steel positioned at an advancing terminal end of said mold shifting means, means for conveying the withdrawn ingot steel to the next treating zone, means for returning the reversed mold to its original state, means for cooling the molds and a working table for repairing the molds for use in the next circulation throughout the track.
Other objects and advantages of the ingot casting system according to the invention will become apparent from a consideration of the following detailed description taken in connection with the accompanying drawings wherein a satisfactory embodiment of the invention is shown.
BRIEF DESCRIPTION OF THE DRAWINGS In the drawings:
FIG. 1 is a pictorial plan view of the continuous ingot casting system comprising the rail track of the curved lines layout according to the invention;
FIG. 2 is a lateral view of FIG. 1; and
FIG. 3 is a pictorial plan view of the ingot casting system comprising the shift rollers track of the straight lines layout according to another embodiment of the present invention.
DETAILED DESCRIPTION OF THE INVENTION Referring now in more detail to the drawings, wherein like parts are indicated by like reference numerals, and initially to FIG. 1, there is illustrated therein in plan view a continuous ingot casting system which is comprised of an endless mold travelling track 10 and is continuously driven by a conventional driving mechanism (not shown) to circulate a group of molds 12. The track 10 in case of the curved line layout is comprised of rails 14 and a number of shift rollers 16 aligned in series in case of the straight line layout as best shown in FIG. 3 in which the track 10 at its every corner portion is provided with a mold pushing means 18 for intermittent transfer of the mold by means of a pushing rod 20 of the pushing means 18 so that the mold 12 may travel in turn along the track 10.
An ingot teeming device 22 is positioned above the track 10 and includes a casting ladle 24 which is movably arranged near the said track 10. Thus, the liquid steel isteemed into the mold 12 when stopped at the predetermined position under the teeming device 22. To the casting ladle 24 is connected a chute 26 for fluidizing the liquid steel leaked from the casting ladle 24 into a storage pot 28. A correcting device 30 for the mold stop position is mounted on the track 10 and under the casting ladle 24 to raise the travelling molds l2 perpendicularly so that an outlet connection of the casting ladle 24 is accorded with an inlet connection of the mold 12.
Further, a mold turning device 32 is also mounted on the track 10 at a certain distance apart from the said correcting means 30 to reverse the molds after formation of the solid film on the surface of the liquid steel by pouring the cold water or spraying the compressed cold air to the inlet connection of the mold. By this reversing operation the blowholes formed by the coagulation shrinkage of the liquid steel and the impurities are coagulation characteristic of the liquid steel thereby improving the quality of the ingot steel while promoting the rolling yieldso that any disadvantageous breaking to be developed around the center of the liquid steel when subjected to the coagulation shrinkage within the mold 12 may be prevented. The turning device 32 is installed independent of the endless rail 14 or the shift rollers 16 so that the mold 12 when reached at the turning device 32 rests in the mold casting (not shown) which turns to reverse the mold 12.
The reversed mold 12 is then transferred to a shifting device 34 which provides at its advancing terminal portion an ingot withdrawing device 36. The shifting device 34 carries the mold 12 containing the coagulated ingot steel with a proper oscillation so that the ingot steel when the mold reached at the ingot withdrawing device 36 is smoothly removed from the mold by falling down therefrom with its self-load.
Behind the ingot withdrawing device 36 is provided an ingot feeding device 38 for feeding the withdrawn ingot steel into an ingot conveyor 40 divided from the track 10. The ingot feeding device 38 is provided with the tilted conveyor 42 for carrying the ingot steel dropping .from the ingot withdrawing device 36 seriatim to the ingot conveyor 40 which is provided at its terminal portion with a turning device 44 adapted to turn the advancing direction of the ingot steel at 90 thereby supplying the ingot steel into an ingot aligning device 46 for aligning the ingots on an ingot accumulating table 48.
The empty molds 12 after withdrawing the ingot steel are further carried along an extension of the track into a turnable mold feed back device 50 provided on the said track 10 at a certain distance apart from the ingot withdrawing device 36 and the reversed molds 12 are returned to their original state by the turning device 32 so that the inlet connection of the mold is directed to again upwardly.
On the track 10 extended from the mold feed back device 50 are further arranged a cooling fixture 52 for chilling the molds and a mold working table 54 for cleaning and painting the molds where the molds are sufficiently repaired for use in the next ingot casting operation.
In accordance with the invention, all of the devices and appliances necessary for effectuating the ingot casting are installed at the proper'portions along the endless track throughout which the molds travel automatically to ensure the continuous ingot casting operation without necessitating any head travelling crane, wagon or lift as used in the conventional ingot casting system.
Further, the mold turning device included in the ingot casting system according to the invention provides an improved quality of the ingot steel.
While a typical embodiment of the invention has been illustrated by way of example in the drawings and particularly described, it will be understood that modifications may be made in the construction and that the invention is no way limited to the embodiment shown.
What we claim is:
1. An apparatus for the continuous ingot casting process comprising an endless mold travelling track including arranged therein a teeming device of the liquid steel having a casting ladle and mounted on said track, means for correcting the stop position of the mold which is located under the teeming device, a mold turning means mounted at a certain distance apart from said correcting means, a mold shifting means cooperative to the mold turning means, means for withdrawing the ingot steel positioned at an advancing terminal end of said mold shifting means, means for conveying the withdrawn ingot steel to the next treating zone, means for returning the reversed mold to its original state, means for cooling the molds and working table for repairing the molds for use in the next circulation throughout the track.
2. An apparatus as claimed in claim 1, wherein an endless track comprises endless rails.
3. An apparatus as claimed in claim 1, wherein an endless track comprises shift rollers aligned in series.
Claims (3)
1. An apparatus for the continuous ingot casting process comprising an endless mold travelling track including arranged therein a teeming device of the liquid steel having a casting ladle and mounted on said track, means for correcting the stop position of the mold which is located under the teeming device, a mold turning means mounted at a certain distance apart from said correcting means, a mold shifting means cooperative to the mold turning means, means for withdrawing the ingot steel positioned at an advancing terminal end of said mold shifting means, means for conveying the withdrawn ingot steel to the next treating zone, means for returning the reversed mold to its original state, means for cooling the molds and working table for repairing the molds for use in the next circulation throughout the track.
1. An apparatus for the continuous ingot casting process comprising an endless mold travelling track including arranged therein a teeming device of the liquid steel having a casting ladle and mounted on said track, means for correcting the stop position of the mold which is located under the teeming device, a mold turning means mounted at a certain distance apart from said correcting means, a mold shifting means cooperative to the mold turning means, means for withdrawing the ingot steel positioned at an advancing terminal end of said mold shifting means, means for conveying the withdrawn ingot steel to the next treating zone, means for returning the reversed mold to its original state, means for cooling the molds and working table for repairing the molds for use in the next circulation throughout the track.
2. An apparatus as claimed in claim 1, wherein an endless track comprises endless rails.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14473971A | 1971-05-19 | 1971-05-19 |
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US3717196A true US3717196A (en) | 1973-02-20 |
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US00144739A Expired - Lifetime US3717196A (en) | 1971-05-19 | 1971-05-19 | Continuous ingot casting system for the ingot mill |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1666910A (en) * | 1925-10-29 | 1928-04-24 | American Smelting Refining | Metal-casting machine |
US3612159A (en) * | 1970-02-11 | 1971-10-12 | Milton L Galinsky | Automatic mold-handling system |
US3627028A (en) * | 1968-11-29 | 1971-12-14 | New England Malleable Iron Co | Mold-handling apparatus |
DD97810A1 (en) * | 1972-06-29 | 1973-05-14 |
-
1971
- 1971-05-19 US US00144739A patent/US3717196A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1666910A (en) * | 1925-10-29 | 1928-04-24 | American Smelting Refining | Metal-casting machine |
US3627028A (en) * | 1968-11-29 | 1971-12-14 | New England Malleable Iron Co | Mold-handling apparatus |
US3612159A (en) * | 1970-02-11 | 1971-10-12 | Milton L Galinsky | Automatic mold-handling system |
DD97810A1 (en) * | 1972-06-29 | 1973-05-14 |
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