EP0011193A1 - Dispositif pour transférer au choix des fers moyens et marchands des trains de laminoirs continus vers des lits de refroidissement - Google Patents
Dispositif pour transférer au choix des fers moyens et marchands des trains de laminoirs continus vers des lits de refroidissement Download PDFInfo
- Publication number
- EP0011193A1 EP0011193A1 EP79104258A EP79104258A EP0011193A1 EP 0011193 A1 EP0011193 A1 EP 0011193A1 EP 79104258 A EP79104258 A EP 79104258A EP 79104258 A EP79104258 A EP 79104258A EP 0011193 A1 EP0011193 A1 EP 0011193A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller table
- rolling
- tilting
- line
- rolling line
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 129
- 238000001816 cooling Methods 0.000 title claims abstract description 63
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 7
- 241000272165 Charadriidae Species 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 9
- 230000036962 time dependent Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
- B21B39/18—Switches for directing work in metal-rolling mills or trains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
- B21B39/12—Arrangement or installation of roller tables in relation to a roll stand
Definitions
- the invention relates to a device for selectively transferring flexible and relatively rigid profile cross sections of different cross-sectional shape in continuous fine steel or medium steel rolling mills, in which a cooling bed is assigned to each rolling line in two roughly parallel rolling lines.
- Each cooling bed is preceded by a pivotable switch section designed as an overrun roller table, which makes it possible to feed either one cooling bed from both rolling lines at the same time or one or the other cooling bed assigned to the other rolling line from each rolling line.
- DE-PS 1249801 Starting from the prior art known from DE-PS 1249801 is a rolling mill for fine and medium steel with a wide rolling program with regard to profile shape and profile cross-sectional dimensions in the so-called multi-line arrangement (DE-PS 1057048) between the rolling mills in two approximately parallel rolling lines and the a very long roller table section designed as a run-out roller table is provided as a pivoting switch in both rolling lines for each of these assigned cooling beds.
- the two roller table sections can be controlled jointly or independently of one another with regard to the pivoting movement.
- the object of the invention is to improve the transfer conditions for the trouble-free transfer of the partial lengths to the swiveling caster roller conveyor with single-core operation and alternate occupancy of both cooling beds, and to ensure the alternate loading reliably even with successive partial lengths.
- the conveying plane of the feed roller table should be adapted to the inclination of the conveying plane of the swiveling roller table and a change in direction of the rolling stock between the incoming roller table and the swiveling roller table should be avoided.
- a short swivel path should be achieved when changing the feed roller table from one rolling line to the other in order to be able to change over briefly in the subsequent times of the successive partial lengths and not only in the pause times caused by the billet following times.
- the pivotable switch section forming the Auflaufrollgang.
- a rolling table section which can be deflected laterally to the conveying direction and which can be pivoted into the one or the other rolling line either flush with the head end of the Auflaufrollgang.
- the deflection movement can take place in a horizontal plane or along an arcuate path.
- the deflectable roller table section is designed as a tilting roller table, the cooling bed tig by means of a tilting movement laterally to the conveying direction along an arcuate path opposite its fixed end on the inlet side from its central position with twisting and deflecting from its longitudinal axis about a pivot axis inclined downward along the conveying direction, optionally with the head ends of the overrun roller tables in alignment with one or the other other rolling line can be swung in.
- An advantage of such a device is that the laterally deflectable roller table section or the tilting roller table can be moved very quickly into one or the other rolling line of the pivoting movable roller table associated with each cooling bed, so that the successive partial lengths can alternately be used by one or the other cooling bed are fed.
- impact points at the transition points between the feed roller table and the overrun roller table are avoided, so that the rolling stock is guided smoothly and reliably into the respective rolling line.
- the conveying plane of the tilting roller table is in alignment with its inclination with that of the associated pivoting roller-type roller table at the transition point of the respective partial length, thereby ensuring a smooth, reliable running of the partial lengths.
- the inclination of the conveying plane of the winding grooves of the winding roller tables and the inclination of the conveying plane are formed of the winding grooves of the prior g e-Kipproll sau arranged in the respective operating position at the respective crossovers alignment with each other.
- the angle of inclination of the overrun troughs of the swiveling overrun roller tables and the tilting roller tables in the respective operating position is approx. 10 ° to the respective cooling bed side in relation to the horizontal plane.
- the end of the tipping roller table in the rolling line on the rolling mill side is arranged in fixed support bearings.
- the tipping path of the tipping roller table at its end on the cooling bed side for swiveling into the line of alignment of one or the other ramp roller table from the vertical central position to the swivel axis is symmetrical on both sides around the size of the deflection path to the head end of one or the other overrun roller table.
- the rolling stock guides per rolling line from the rolling train to the head end of the ramp roller table of each cooling bed are guided towards one another in such a way that their extension is directed in each case towards the inlet guide of the cooling bed of the other rolling line. This avoids any joints in the rolling stock guide at the transfer control points in single-core rolling.
- the control of the swiveling movement of the ramp roller tables and / or the deflection movement of the tilting roller tables takes place via electrical sensors arranged along the conveyor roller tables arranged upstream of the rolling mill, depending on the gaps between the partial lengths by means of deceleration means controlled by speed or time by means of hydraulic or similar power means.
- the control can also take place depending on the cutting command of the shear.
- the tipping roll gang is supported over its length in the horizontal conveying plane on stilts arranged in a vertical plane, connecting the swivel axes of the stilts to one another along a common downward inclined escape line and laterally deflectable transversely to the conveying line.
- the length of the stilts increases continuously over the length of the tilting roller table in the conveying direction in such a way that when the tilting roller table is swiveled out about the lateral stroke, a deflection movement takes place approximately on the circumference of a conical jacket, the longitudinal axis of which forms a downward inclined alignment line connecting the axle bearings of the stilts .
- the swivel axes of the stilts (support bearings) of the tilting roller table towards the overrun roller table are gradually offset by the amount of the steady increase in the length of the stilts to the horizontal plane parallel to the rolling line in the conveying direction downwards along a common, downwardly inclined escape line.
- 1 and 1a each denote a finishing mill stand arranged in two approximately parallel rolling lines I and II as part of an upstream rolling mill for fine steel and medium steel sections with parallel, but offset staggered mill stands.
- the roll stands are duo-roll stands with caliber roll sets, which are arranged one behind the other at 90 ° to each other depending on the rolling program.
- the structural design of the rolling mill is known, for example, as a so-called multi-line arrangement or as a rolling mill with two roughly parallel rolling lines and allows the rolling of a wide rolling program in both rolling lines simultaneously or only in one rolling line of different profile cross sections and cross-sectional dimensions of flexible and relatively rigid rolling stock.
- the profile cross-sections essentially include round profiles from 8 to 70 mm 0, square profiles from 8 to 70 mm edge length, hexagonal and octagonal profiles file from 8 to 70 mm width across flats, flat profiles from 12 to 150 mm width, isosceles angle profiles from 16 x 16 mm to 90 x 90 mm edge length as well as isosceles angle profiles from 30 x 20 to 100 x 70 mm edge length, U-profiles from 30 x 20 up to 100 x 40 mm, T-profiles from 20 to 80 mm high and double-T profiles up to 100 mm wide.
- both cooling beds can be loaded with partial lengths.
- the finishing stands 1, 1 a of the upstream rolling mill are each assigned a rotating cropping and section shear 2, 2 a in conveyor roller tables 3, 3 a.
- the dividing shears 2, 2 a scoop the strand of rolled material and divide it into partial lengths suitable for cooling beds.
- the conveyor roller tables 3, 3 a are followed in roller lines I and II by a relatively short tilting roller table 5, 5 a, the length of which depends on the length of the cooling bed and max .
- Rolling speed is about 10 to 20 m.
- the tilting roller table 5, 5 a is attached to a fixed bearing 7 on the inlet side of the partial lengths and is supported over its length on stilts 8 which are pivotable about axes of rotation 10 arranged in a horizontal plane.
- the stilts 8 have a continuously increasing length in the conveying direction R, as a result of which the Support bearings 11 of the axes of rotation 10 lying in the horizontal plane are offset in a step-like manner downwards along a common inclined escape line A as a pivot axis in the vertical plane.
- the tilting roller table 5, 5 a is by means of a hydraulic or pneumatic power means 12, 12 a arranged at its outlet end, the piston rods 13, 13 a of which are articulated to the tilting roller table 5, 5 a, on both sides from its vertical central position into the operating positions B. 1 or B 2 can be swiveled.
- the swiveling movement takes place on an arcuate path approximately along the circumference of a conical jacket which is inclined with its longitudinal axis in the alignment line A, which, as not shown further, can also continue below the fixed bearing 7, whereby the tilting roller table 5, 5 a with twisting is deflected laterally from its fixed bearing 7 into the respective rolling line.
- tilting roller table 5 or 5 a By pivoting the tilting roller table 5 or 5 a with its outlet-side end into the end position B 1 or B 2 , single-core rolling operation alternately leads the successive partial lengths either into the swiveling caster roller table 15 with downstream cooling bed 16 or into the swiveling caster roller table 15 a downstream cooling bed 16 a.
- the tilting roller tables 5, 5 a and the overrun roller tables 15, 15 a have like the other conveyor roller tables 3, 3 a roller table rollers with individual drive, but the drives of the tilting roller tables 5, 5 a and those of the overrun roller tables 15, 15 a are arranged offset to one another to be able to move the roller tables as close together as possible.
- the swiveling run-up roller tables 15, 15 a are supported on travel paths 18 via rollers 19 and are independent of one another or together via hydraulic or pneumatic power means 20, 20 a about a pivot point S to the side of the rolling line Rollers 19 movable along traversing paths 18.
- the piston rods 21, 21 a of the power means 20, 20 a are for this purpose via sliding linkage 22 and on the long sides of the overrun roller tables 15, 15 a, for example articulated angle levers 23 with decreasing length dimensions towards the cooling beds 16, 16 a, via pull rods 24 on the overrun roller tables 15, 15 a articulated.
- Cooling beds 16, 16 a are connected to the side of the rolling lines I and II at the ramp roller tables 15, 15 a.
- the run-up roller tables 15, 15 a are provided in the usual way with fixed channel sections and separating and braking means and can be pivoted on the cooling bed side about vertical pivot axes S.
- the inclination of the winding grooves of the winding roller tables, or the inclination of the conveying plane or the R ollgangsachsen is about 10 °, which in the operating positions B 1 and B 2 with the inclination of the winding grooves of the Kipproll Vietnamese 5, .5 a; 25, 25 a is aligned and thus enables a joint-free transfer of the partial lengths.
- FIG. 2 shows the arrangement according to FIG. 1 in a detail with a relatively long tilting roller table 25, 25 a, in which the tilting roller table has a length of approximately 40 to 60 m, depending on the length of the cooling bed and the rolling speed.
- the operating mode for two-wire rolling operation for transferring successive partial lengths of thin, flexible profile cross sections from the rolling lines I and II takes place from the rolling stands 1 via the conveyor roller table 3, the tilting roller table 5, the ramp roller table 15 onto the cooling bed 16 or from the rolling stand 1 a via the Conveyor roller table 3 a, the tilting roller table 5 a, the overrun roller table 15 a on the cooling bed 16 a, as in the Fiq. 1 and 6.
- Fig. 7 shows a top view schematically of the operation of the system for single-core rolling operation of thick, relatively rigid profile cross-sections, for example in the rolling line I with a relatively short tilting roller table 5.
- the tilting roller table 5 and the ramp roller tables 15, 15 a are in their different operating positions by solid lines or dashed lines I, II and I a, II a shown in simplified form.
- the cooling beds are designated 16, 16 a.
- the angles ⁇ 1 and ⁇ the angle of deflection of the point Kipprollgangs 5 or the overrun rollgän e g 15 and 15 in a.
- the partial lengths pass in the rolling line I along the conveying direction R the conveyor roller table 3 and the tilting roller table 5, which alternately after each successive partial length or the number of partial lengths consisting of a tapping stick by the angle ⁇ 1 either in the operating position B 1 or B 2 (dashed lines or shown in full) is pivoted sideways.
- the pivotable roller table 15 is compared to FIG.
- the drive motors are, as already described and shown in FIGS. 1 and 2, offset from one another. With each relative pivoting movement of the one overrun roller table 15, the other overrun roller table 15a is also shifted by the same angle ⁇ , ie by the same amount in the same pivoting direction.
- the displacement drives 12, 20 or 12 a , 20 a are controlled by a photocell F scanning the gap between the partial lengths via a time-dependent or running speed-dependent delay element V by simultaneous actuation of the displacement drives 12, 20, 20 a, 20 (for single-core rolling operation in the rolling line I I ) and alternate loading of both cooling beds 16, 16 a with partial lengths.
- the tilting roller table 5 a is actuated in the same way, together with the ramp roller tables 15, 15 a.
- FIG. 8 is a top view of the operating mode of the system for single-core rolling operation of thicker, relatively rigid profile cross sections shown for example in the rolling line II with a relatively long tilting roller table 25, 25 a according to FIG. 2.
- the partial lengths are, for example, in the rolling line II via the conveyor roller table 3 a and the tilting roller table 25 a, which can be reversed by the swivel angle ⁇ 2 alternately in one or the other operating position B 1 or B 2 in the time between the successive partial lengths Way reversed. Since the overrun roller tables 15, 15 a have already been moved into positions II and I a before the start of operation, the additional relative pivoting movement of the overrun roller tables 15, 15 a described in FIG. 7 is omitted here, since their distance is already the pivoting path of the tilting roller table 25 a corresponds.
- a partial length can alternately be supplied via the rolling line I a of the roller table 15 and the subsequent one via the rolling line II of the roller table 15 a to the cooling bed 16 or 16 a.
- the displacement drive 12 is in this case a K ipprollgangs 25 a operated.
- the gentle transfer of the partial lengths from the tilting roller table 25 a into the rolling line I a ensures quiet, trouble-free operation.
- the partial lengths can alternately be transferred to the cooling bed 16 or 16 a.
- the swivel path of the tilting roller tables 5, 5 a and 25, 25 a in the operating position B 1 or B 2 is such that the inclination of the run-up channels or the conveyor levels at the transition points to the swivel roller tables 15, 15 a with the inclination of the run-up channels or the funding level is approximately the same size at approximately 10 °, so that the conveying planes are also aligned with one another with regard to their angle of inclination. This ensures a safe guidance of the partial lengths with great smoothness at the transition points.
- any joints in the rolled material guide of the partial lengths for alternately transferring to one or the other cooling bed are avoided.
- the deflectable roller table section as a tilting roller table is shown and described as a preferred exemplary embodiment.
- the roller table section which can be deflected laterally to the conveying direction can also be designed as a roller table which can be pivoted in the horizontal plane and which is aligned with the respective head ends of the ramp roller tables 15, 15 a in a corresponding manner according to the description about a vertical axis of rotation in the operating positions B 1 and B 2 the same control can be swiveled.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2850174 | 1978-11-18 | ||
DE19782850174 DE2850174A1 (de) | 1978-11-18 | 1978-11-18 | Einrichtung zum wahlweisen ueberleiten von biegsamen und relativ biegesteifen profilquerschnitten bei kontinuierlichen feinstahl- bzw. mittelstahl-walzstrassen mit nachgeordneten kuehlbetten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0011193A1 true EP0011193A1 (fr) | 1980-05-28 |
EP0011193B1 EP0011193B1 (fr) | 1982-10-20 |
Family
ID=6055079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP79104258A Expired EP0011193B1 (fr) | 1978-11-18 | 1979-11-02 | Dispositif pour transférer au choix des fers moyens et marchands des trains de laminoirs continus vers des lits de refroidissement |
Country Status (4)
Country | Link |
---|---|
US (1) | US4363394A (fr) |
EP (1) | EP0011193B1 (fr) |
JP (1) | JPS5570411A (fr) |
DE (2) | DE2850174A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5949045U (ja) * | 1982-09-27 | 1984-03-31 | 日野自動車株式会社 | フライホイ−ル刻線位置検査治具 |
DE4108941A1 (de) * | 1991-03-19 | 1992-09-24 | Schloemann Siemag Ag | Verfahren und anlage zur herstellung von gewalzten draht- oder rundstahlabmessungen in coils aus c-staehlen und/oder edelstaehlen |
US5257716A (en) * | 1992-09-10 | 1993-11-02 | Armco Inc. | Pipe manufacturing method and apparatus |
US6824870B2 (en) | 2000-09-28 | 2004-11-30 | Pirelli S.P.A. | Cable with recyclable covering |
US7069759B2 (en) * | 2003-11-05 | 2006-07-04 | Morgan Construction Company | Bar delivery system and method |
US9126263B2 (en) * | 2004-12-03 | 2015-09-08 | Sms Group Gmbh | CSP-continuous casting plant with an additional rolling line |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1249801B (fr) * | 1962-10-20 | |||
DE1057048B (de) * | 1955-09-27 | 1959-05-14 | Schloemann Ag | Walzenstrasse zum Auswalzen eines gemischten Walzprogramms |
FR1328186A (fr) * | 1961-07-08 | 1963-05-24 | Verwaltungs Ges Moeller & Neum | Train de laminoirs continu pour forte production, avec trains continus installés en deux lignes de laminage parallèles |
US3223345A (en) * | 1963-04-05 | 1965-12-14 | Morgan Construction Co | Rod mill switch |
DE1279591B (de) * | 1962-05-28 | 1968-10-10 | Moeller & Neumann Verwalt Ges | Walzenstrasse fuer hohe Produktion zum gleichzeitigen Auswalzen verschiedener Walzgutabmessungen |
BE721896A (fr) * | 1968-10-04 | 1969-03-14 | ||
DE1303626B (fr) * | 1963-01-21 | 1972-06-29 | Morgan Construction Co |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1741616A (en) * | 1927-05-04 | 1929-12-31 | Logan Co Inc | Conveyer |
US2711809A (en) * | 1954-08-05 | 1955-06-28 | Jones & Laughlin Steel Corp | Rolling mill switching apparatus |
US3103271A (en) * | 1960-08-22 | 1963-09-10 | Rapids Standard Co Inc | Flexible curve |
US3115961A (en) * | 1961-05-19 | 1963-12-31 | Jr James L Layton | Sorting and distrubting device |
GB1247841A (en) * | 1967-08-25 | 1971-09-29 | Crisplant As | Improvements in or relating to feeder devices for conveyor systems |
DE2830806A1 (de) * | 1978-07-13 | 1980-01-24 | Schloemann Siemag Ag | Einrichtung zum wahlweisen ueberleiten von biegsamen sowie relativ biegesteifen profilquerschnitten verschiedener querschnittsform zwischen kontinuierlichen feinstahl- bzw. mittelstahlwalzstrassen und nachgeordneten kuehlbetten |
-
1978
- 1978-11-18 DE DE19782850174 patent/DE2850174A1/de not_active Withdrawn
-
1979
- 1979-11-02 DE DE7979104258T patent/DE2963900D1/de not_active Expired
- 1979-11-02 EP EP79104258A patent/EP0011193B1/fr not_active Expired
- 1979-11-16 US US06/094,773 patent/US4363394A/en not_active Expired - Lifetime
- 1979-11-19 JP JP14902179A patent/JPS5570411A/ja active Granted
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1057048B (de) * | 1955-09-27 | 1959-05-14 | Schloemann Ag | Walzenstrasse zum Auswalzen eines gemischten Walzprogramms |
FR1328186A (fr) * | 1961-07-08 | 1963-05-24 | Verwaltungs Ges Moeller & Neum | Train de laminoirs continu pour forte production, avec trains continus installés en deux lignes de laminage parallèles |
DE1279591B (de) * | 1962-05-28 | 1968-10-10 | Moeller & Neumann Verwalt Ges | Walzenstrasse fuer hohe Produktion zum gleichzeitigen Auswalzen verschiedener Walzgutabmessungen |
DE1249801B (fr) * | 1962-10-20 | |||
DE1303626B (fr) * | 1963-01-21 | 1972-06-29 | Morgan Construction Co | |
US3223345A (en) * | 1963-04-05 | 1965-12-14 | Morgan Construction Co | Rod mill switch |
BE721896A (fr) * | 1968-10-04 | 1969-03-14 |
Also Published As
Publication number | Publication date |
---|---|
DE2850174A1 (de) | 1980-05-29 |
JPS5570411A (en) | 1980-05-27 |
EP0011193B1 (fr) | 1982-10-20 |
US4363394A (en) | 1982-12-14 |
DE2963900D1 (en) | 1982-11-25 |
JPS5743329B2 (fr) | 1982-09-14 |
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