前苏联专利SU1156586A3 Method of hot rolling of metal strip and device for effecting same

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优先权

专利摘要:
1. A method of hot rolling a metal strip in a discontinuous manner, including rolling in a roughing group of stands, winding a strip into a roll to form an open axial cavity by rolling up at the winding position and unwinding a roll by feeding the outer end of the roll from the position of winding in the direction of the finishing mill group, characterized in that, in order to increase productivity and quality, the roll is moved: from the winding position to the unwinding position during its unwinding, and the pump to the unwound winding position is started in the next strip and drive it simultaneously with the movement and unwinding said roll. SG)
公开号:SU1156586A3
申请号:SU752142934
申请日:1975-05-06
公开日:1985-05-15
发明作者:Смит Вильям
申请人:Дзе Стил Компани Оф Канада Лимитед (Фирма)；
IPC主号:

专利说明:

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2. A device for hot rolling of a metal strip, containing groups of rough and finish rolling stands, located between them a bending roller assembly for rolling a strip into a ruler with an axial bore and a supporting roller assembly for the coil at the winding positions, about l and h In order to improve productivity and quality, it is equipped with an additional support assembly mounted on the position of the hub, coils adjacent to the winding position, and a mechanism for moving the roll from the winding position to the unwinding position.
made in the form of two levers with axes located on one line perpendicular to the distribution of the strip, the axes of their rotation, installed in the gap between the nodes of the support rollers on the side of the roll ends with the possibility of moving towards each other and joint rotation, and two mandrels fixed at the ends of the levers with the ability to enter the hole of the roll at each of the two positions.
3. Device According to claim 2, the aphid is suspected in that the length of the mandrel levers is less than half the width of the roll.
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The invention relates to the processing of metals by pressure, in particular to the hot rolling of sheet metal in an intermittent process.
The purpose of the invention is to increase productivity and quality.
Figure 1 shows a diagram of the rolling process proposed method; Fig. 2 shows the device in the position of the end of the coiling of the strip rolled into the roughing stand group in a roll and bending of its front end, on. Fig. 3 feeds the front end of the roll to the finishing stand group, gripping and transferring the roll to the unwinding position; 4 - the end of the process of unwinding and finishing rolling-, on - the beginning of the winding of the next roll and its continuation simultaneously with the unwinding of the previous roll in Fig. 6 - a view of the winder and the beater; Fig.7 - a section on fig.b on Fig.8 - section BB in Fig.7.
The strip 1, rolled in the roughing group, 2 stands, is fed to the node 3 of the bending rollers, in which the strip is bent into a spiral and rolled into a roll 4, having an axial cavity 5, on the winding position 6. The end of the .7 strip, coiled into a roll, is fed to the finishing group of 8 stands and start finishing rolling. With the start of rolling, the roll begins to unwind and, in the process of changing the material, it is moved from the winding position 6 to position 9 of the scraper. At the unwound winding position, winding of the next roll begins and after that winding is performed simultaneously with unwinding, i.e. roughing and finishing rolling are also carried out simultaneously.
The method is implemented using a device.
The device contains (see Fig. 1) the roughing and 11 finishing rolling stands 10, a bending roller assembly 3 arranged between them, support roller assemblies at the winding positions 6 and unwinding 9, and a roll movement mechanism 12 from position 6 to position 9. For of moving the strip from the rough rolling stands to the coiler 13 and from the position of spreading to the finishing rolling stands
20 serve respectively roller tables 14 and 15. The group of rollers 16 feeds the strip to the node 3 are flexible. The group of rolls 16 consists of lower 17 and upper 18 rollers. Upper swath
25 has the possibility of adjusting the displacement in the direction of the roller 17. The group of bending rollers consists of the lower 19 and two upper 20 and 21 rolls. The upper rolls are driven
rotation and adjustment movement to change the bend radius (not shown). Near the bending rolls is the sensor 22, which gives a signal at the end of the passage of the strip through the node flexible. The support roller assembly at the winding position 6 includes rollers 23-25 with reversible rotational drive and adjustable rotational speed (not shown). At the winding position, there is a deflector 26 at the front end of the coil strip consisting of two levers 27 and 28, a scraper 29 and a roller 30. The rotation of the levers is driven by the help of the power cylinders 31 and 32. The scraper 29 is attached to the swing arm 33, and another the shoulder 34 of which is equipped with a support roller 35. The lever 33 is connected to the axis 36 with the end of the lever 27, the roll movement mechanism 12 consists of two levers 37 mounted on keys 38 on the shafts 39, the shaft 39 has a turning drive (not shown), for example, in the form of a hydraulic motor, each of the shafts with a lever The truck is mounted on a trolley 40 with wheels 41, which moves along rails 42 with the help of a power cylinder 43. A lever 44 is fixed to the lever with holes 45, through which water is cooled, the sensor 4 also has a coil on the mandrel 44, driven from lever 47, rod 48; Support roller assembly at the unwinding position includes rollers 49 50; Sensor 51 is installed near the unwinding position, indicating that the unwinding has ended. Opposite the roller 52 of the roller table 15 is located when the press roller 53, the Device operates as follows. The strip that leaves the roughing stand group is fed between rolls 17 and 18 along roller table 14, roller 13 clamps the end of the strip and feeds it through wiring 54 to bending roller assembly. As the diameter of the coil increases as the winding increases, the distance between the bending rollers also increases. The roll is located on the rollers 23 c 24, but as its diameter increases, it rolls under its own weight on the rollers 24 and 25. As the rolling speed decreases, the rotation speed of the rollers decreases. At the end of the rolling, the end of the strip passes the sensor 22f which gives a signal Ro 86 4 faces 24 to 25 to stop reversing. With the beginning of rotation of the roll in the opposite direction, the bendor bends the front end 7, which, as the roll rotates, is directed under the sensor 51, between rollers 52 and 53, the strip presses the roller 52 and gave it is fed to the finishing group of 8 stands along the roller table 15. The flexor retracts to the upward position, to the levers 37 in the diluted position are rotated toward the roll until the axes of the mandrels 44 coincide with the hole of the roll. Trolleys 40 with levers move towards each other and the mandrels enter the roll hole, since the mandrel diameter is much smaller than the roll hole, their contact is small, and the internal (as well as outer turns) uneven cooling does not occur, Shafts 39 with levers rotate and transfer the roll to the vanilla position on rollers -49 and 50, Although the winding position has already been released and you could already start rolling in the roughing group and winding following the strip, do not until ulon not unclamping) taets about 75% of its volume, since when rolled strip: a finishing mill section is elongated and the time of its winding on the winding position (not shown) after finish rolling is greater than 9 unwinding position. At the end of the required lash time, the rough rolling of the next strip and winding it into a roll at the winding position begins. Starting from that moment, rolling in the rough and finishing groups of the stands, as well as winding and unwinding the transfer strip to the winding and unwinding positions are performed simultaneously until the end of the rolling strip. clean group. cages. At the end of the process, the camons of the next roll are at the position b ma. the coils process is repeated as described, the performance of the band is fair in connection with Hepas HOMeptom by cooling it and forming a cold strip, which leads to non-Q o U
FIG. 2
Figure 511565866 in the thickness of the strip in the process of the distance to the unwinding position and their simultaneous rolling, is achieved by successfully carrying out the movement of the coil from the winding portion of the cycle over p. 26/3 QUO ar f .15 52 50 9 U / / / / O / 25 2
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权利要求:
Claims (3)
[1]
1. The method of hot rolling of a metal strip by an intermittent method, including rolling in a roughing stand group, winding the strip into a “roll with the formation of an open axial cavity by winding to the winding position and unwinding the roll by feeding the outer end of the roll from the winding position in the direction of the finishing stand group, characterized in that, in order to increase productivity and quality, the roll is moved from the winding position to the unwinding position in the process of unwinding it, and the pump of the vacant winding position starts winding after blowing strip and lead it simultaneously with the movement and unwinding of the roll.
and m l 156586>
1156-586
[2]
2. A device for hot rolling a metal strip containing groups of stands of roughing and finishing rolling, located in the interval between them, the assembly of bending rollers for rolling the strip into a roulene with an axial hole and the assembly of support rollers for the roll at the winding position, Moreover, in order to increase productivity and quality, it is equipped with an additional assembly of support rollers mounted at the unwinding position next to the winding position, and with a mechanism for moving the roll from the winding position to the unwinding position. made in the form of two levers with axes of rotation located on one line perpendicular to the strip feed direction, mounted between the nodes of the support rollers on the side of the ends of the roll with the possibility of moving towards each other and joint rotation, and two mandrels fixed at the ends levers with the ability to enter the hole of the roll at each of two positions.
[3]
3. The device according to claim 2, with the fact that the length of the mandrel levers is less than half the width of the roll.

类似技术:

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SU524578A1|1976-08-15|Method of making tubular products

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同族专利:

公开号 | 公开日

DE2519988B2|1977-07-14|

ES437480A1|1977-04-01|

DD119145A5|1976-04-12|

DE2519988C3|1982-12-09|

NL178755B|1985-12-16|

ZA752507B|1976-03-31|

SE414125B|1980-07-14|

BR7502717A|1976-03-16|

CA1029582A|1978-04-18|

US4005830A|1977-02-01|

IT1036893B|1979-10-30|

AT345228B|1978-09-11|

AR208695A1|1977-02-28|

AU8057075A|1976-11-04|

GB1507827A|1978-04-19|

CA1017173A|1977-09-13|

FR2270020B1|1981-05-22|

BE828779A|1975-09-01|

ATA342375A|1978-01-15|

JPS5245304B2|1977-11-15|

JPS50158553A|1975-12-22|

SE7505120L|1975-11-07|

NL178755C|1986-05-16|

DE2519988A1|1975-11-20|

FR2270020A1|1975-12-05|

CS199587B2|1980-07-31|

NL7505193A|1975-11-10|

引用文献:

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DE1074950B|1960-02-04|Sundwiger-Mcssingwerk vorm. Gebr. von der Becke K.G., Hemer-Sundwig |Plant for sintering metal strips cold-rolled from metal powder|

GB447018A|1934-11-23|1936-05-11|Schloemann Aktienesellschaft|Apparatus for unrolling bundles of metal strip and the like|

US2150934A|1935-05-02|1939-03-21|American Rolling Mill Co|Hot strip coiler|

US2221354A|1938-06-10|1940-11-12|Linn Howard|Strip coiling machine|

US2325121A|1940-04-23|1943-07-27|Aluminum Co Of America|Coil handling apparatus|

US2464464A|1944-12-20|1949-03-15|Carnegie Illinois Steel Corp|Method and apparatus for feeding strip|

US2653496A|1947-11-25|1953-09-29|American Brass Co|Rolling mill and coiling apparatus|

DE972603C|1950-08-03|1959-09-10|Kocks Gmbh Friedrich|Continuously working rolling mill for hot rolling of wide strip|

DE938380C|1954-05-22|1956-01-26|Eugen Urbahn|Coiler furnace|

US2802586A|1954-08-26|1957-08-13|Bliss E W Co|Coil transfer mechanism|

US3010672A|1959-09-01|1961-11-28|Jr Owen S Cecil|Coil opener and uncoiler|

GB948723A|1961-10-12|1964-02-05|Beteiligungs & Patentverw Gmbh|Unwinding device for reels of strip material|

GB988334A|1962-12-08|1965-04-07|Aux Y Rolling Machinery Ltd|Apparatus for uncoiling metal from a coil|

DE1527694A1|1966-07-01|1970-01-22|Siemag Siegener Maschb Gmbh|Rolling mill plant|

US3690583A|1971-03-23|1972-09-12|Canada Steel Co|Method and apparatus for scrap coil transfer in continuous strip processing lines|

US3746229A|1971-05-24|1973-07-17|United States Steel Corp|Strip uncoiling device|

GB1373375A|1971-11-15|1974-11-13|Canada Steel Co|Method for rolling hot metal workpieces|

DE2228398B2|1972-06-10|1974-09-26|Ungerer Geb. Dollinger, Irma, 7530 Pforzheim|Machine to bend tape laps by means of a processor roller during unwinding|ZA801524B|1979-03-30|1981-08-26|Canada Steel Co|Metal strip downcoilers-u|

ZA801525B|1979-03-30|1981-08-26|Canada Steel Co|Metal strip downcoilers-ii|

DE3031825C2|1980-08-23|1984-11-22|Mannesmann AG, 4000 Düsseldorf|Device for transferring metal strips wound into coils|

AT370776B|1981-08-24|1983-05-10|Voest Alpine Ag|REEL STOVE|

US4964587A|1986-12-25|1990-10-23|Mitsubishi Jukogyo Kabushiki Kaisha|Coiler|

US4761983A|1987-08-07|1988-08-09|International Rolling Mill Consultants, Inc.|Method and apparatus for winding material on a drum|

WO1991009694A1|1989-12-29|1991-07-11|Stelco Inc.|Thin material handling system for use in downcoilers and the like|

CH685945A5|1992-10-16|1995-11-15|Rieter Ag Maschf|Apparatus for reel change.|

US5361618A|1993-04-01|1994-11-08|Italimpianti Of America, Inc.|Method and apparatus for adjusting bending rolls|

US5580012A|1995-03-17|1996-12-03|Moore Business Forms, Inc.|Shingled linerless label rolls|

US5956990A|1998-08-14|1999-09-28|Danieli United|Apparatus and method for producing and handling superlarge coils of metal strip|

DE10138857A1|2001-08-08|2003-02-27|Sms Demag Ag|Device for winding and unwinding hot-rolled pre-strips made of hot metal|

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法律状态:

优先权:

申请号 | 申请日 | 专利标题

GB19917/74A|GB1507827A|1974-05-06|1974-05-06|Handling rolled transfer bars|

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