EP1558409B1 - Walzwerk mit supportplatten - Google Patents

Walzwerk mit supportplatten Download PDF

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Publication number
EP1558409B1
EP1558409B1 EP03748074A EP03748074A EP1558409B1 EP 1558409 B1 EP1558409 B1 EP 1558409B1 EP 03748074 A EP03748074 A EP 03748074A EP 03748074 A EP03748074 A EP 03748074A EP 1558409 B1 EP1558409 B1 EP 1558409B1
Authority
EP
European Patent Office
Prior art keywords
support plates
rolling mill
piston
mill according
roll change
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.)
Expired - Lifetime
Application number
EP03748074A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1558409A1 (de
Inventor
Harald Rackel
Klaus Lazzaro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
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 SMS Demag AG filed Critical SMS Demag AG
Publication of EP1558409A1 publication Critical patent/EP1558409A1/de
Application granted granted Critical
Publication of EP1558409B1 publication Critical patent/EP1558409B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
    • B21B31/103—Manipulators or carriages therefor

Definitions

  • the invention relates to a rolling mill with provided on the operating side of the scaffolds and slidable transversely to the roll axes support plates or platforms. These support plates are for changing the sets of work rolls by transverse displacement and thus equipped to accommodate sets of work rolls from the rolling stands in particular with pairs of rails and adjoin the hut floor, so that the work rolls can be transported on and off.
  • the scaffolds are preceded by pits, the reason for the extension for supporting roller sets, in particular with extension rails, is equipped.
  • Such a rolling mill with transversely displaceable, i. in the rolling direction or against the rolling direction displaceable support plates, is known from DE 43 21 663 A1.
  • the pits, which are located between the rolling stands and the transversely displaceable support plate line, are overlapped with hinged flaps. These flaps are for work roll change in a horizontal position, while they give the support roller change by a folding movement, the pit for retracting the support roller sets.
  • the work rolls are towed by tractors from the scaffold to the flaps to the support plates, with both the flaps and the support plates being equipped with corresponding pairs of rails.
  • the present invention seeks to provide a rolling mill, in which the work roll change can be achieved within a shorter time sequence.
  • the central idea is that the transversely displaceable support plates are transported by means of a conveyor from a position to the work roll change by lowering transversely to the rolling direction in the direction of the control platform through the pits in an adjacent area below the mill hallway in a position for supporting roller change and back.
  • the support plates are located directly on the rolling stands and themselves form the upper end of the pits.
  • the transverse displacement is arranged directly in front of the rolling train. Therefore, the travel distance of the work rolls can be minimized and thus the time required to change the work rolls can be reduced to a minimum.
  • the support plates are inclined downwardly through the pit area between a first position where they are located immediately adjacent to the rolling stands above the pits and a second position in which they are located in front of the pit (as viewed from the control stage) below the hut corridor sunk through, while maintaining their orientation during the transport movement.
  • the support means for the support plates may for example be an extendable lift, which accomplish the lowering movement of the plates below the hut floor and the movement from the necessary for the support roller sets pit area out.
  • the conveying device comprises an undercarriage with rollers.
  • the support plate itself is slidably disposed to a table of the undercarriage to allow the transverse displacement along the support plate line.
  • Ramps are arranged at the bottom of the respective pit, which rise in the direction of the roll stand.
  • the horizontal force movement of the piston-cylinder unit can be implemented in a ramp-up movement
  • the piston or a piston extending cross member is rotatably connected to a support rod whose other end is rotatably mounted on the underside of the undercarriage table.
  • the individual support plates In order to move the support plates transversely in the position of the work roll change, they are pressed in particular.
  • the individual support plates need not be connected to each other, but move abutting edge on abutting edge.
  • Fig. 1 and 2 show a rolling mill with - here - seven finish rolling stands F1-F7.
  • On the operating side BS (with the opposite drive side is marked AS) of the skeleton line is directly adjacent a line 1 of transversely displaceable support plates 2.
  • Each support plate 2 is provided with along the roll axes provided rail pairs 3.
  • a used work roll set 4 has been pulled out on a support plate 2a, while already waiting new sets of work 5 directly on the respective adjacent support plate 2b on their use and are brought by transverse displacement in line with the corresponding rolling mill.
  • a pit 10 Adjacent to a rolling mill frame Fi with a work roll set 4 and a support roll set 9, a pit 10 is arranged on the operating side BS or in the direction of control platform, the base 11 is equipped with Ausfahrschienen (not shown) for the support roller sets 9.
  • this pit 10 is covered by a support plate 2.
  • the support plate 2 covers the pit 10 flush between the mill stand Fi and the adjoining hut floor 7.
  • the tractor sets 8, which transport and remove the work roll sets 4, can move up to the support plates 2 via this hut floor 7.
  • Spent roller sets 4 '' can be directly pulled into the roller workshop WW or driven back therefrom by means of suitable rail tracks
  • the support plates 2 themselves are transported and held by means of a conveying device 12 into the horizontal position shown in Fig. 3.
  • This conveying device 12 here in the form of an undercarriage 13 consists essentially of a table 14 and two pairs of rollers 15a, b arranged thereon, the table 14 itself has on its upper side 16 rails 17 (see Fig. 2) which extend transversely to the roller axes and the
  • the support plates 2 have corresponding rollers 18 which are movable along these railways for transverse displacement, to prevent side coving, a guide 19 is provided between the underside of the respective support plate 2 and the table top 16.
  • a guide 19 is provided between the underside of the respective support plate 2 and the table top 16.
  • the undercarriage 13 in the end position on two ramp pairs 20a, b or wedge pairs, for example, with an inclination of about 20 °.
  • FIG. 4 The position of the support plates 2 for supporting roller change is illustrated with Fig. 4. Since the pit is completely filled by the lower part of the support roller set 9, the support plate 2 has been sunk obliquely down into a region 21 adjacent to the pit area 10. For this purpose, the undercarriage 13 along the ramp pairs 20a, b moved away from the mill stand Fi below the mill hallway 7, with corresponding guide cam 22 support the movement. These guide cams 22 prevent lateral displacement of the tables 14 during the lowering and in the lowered position.
  • the movement of the carriage 13 and thus the support plates 2 is carried out by means of the piston-cylinder unit 23, which also causes the movement of the support roller set 9.
  • a traverse or adapter 24 extending the piston is connected to the support roller set 9 and moves it back by horizontal movement along Ausfahrschienen in the pit 10 and after changing the support rollers.
  • Simultaneously with the extension of the support roller set 9 of the undercarriage 13 is moved from the elevated position in the lowered below the hut corridor 7 position.
  • a push rod 25, which is rotatably centered on the underside of the table 14, engages the undercarriage and pulls it from the ramps in the recessed support plates.
  • the immediately adjacent to the pit 10 end of the hut corridor is provided with a flap 31.
  • the front ramp pair 20a is offset from the rear ramp pair 20b.
  • the extension lines along wedge rails 30 can be seen in particular in the plan view of FIG.
  • the support plate 2c associated with the second finishing stand F2 is extended sunk laterally, i. transverse to the rolling direction, while all other support plates 2 are shown in Häwalzen LCD too.
  • the driven-out work roll set 4 with the new work roll set 5 arranged next to it is shown on the support plate 2c of the first stand F1.
  • the support plates are preferably not connected to each other, but juxtaposed abutting each other. They are reciprocated by means of two pressure units 26a, b, each of which acts on one end of the support plate line 1.
  • the plates 2 roll along the pairs of rails 17 introduced into the table 14 of the undercarriage 13.
  • Each support plate 2 is an adjusting unit 28, the position of which is variably adjustable, assigned, with the help of the respective support plate 2 in the position to the work roll change corresponding to a scaffold Fi can be adjusted.
  • the pressure-cylinder-piston units 26a, b are concealed in the embodiment shown with cover plates 29 (see Fig. 1).
  • the proposed solution ensures that the support plate line is located directly next to the finishing stands and the transport paths for the work rolls are short.
  • the support plates are moved by means of a transport device by a lowering and traversing movement.
  • the work roll is changed by a transverse displacement of support plates, for supporting roller change the support plates are lowered and moved in the direction of control platform.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Metal Rolling (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Vibration Prevention Devices (AREA)
  • Handcart (AREA)
  • Rolling Contact Bearings (AREA)
  • Machine Tool Units (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
EP03748074A 2002-10-30 2003-09-23 Walzwerk mit supportplatten Expired - Lifetime EP1558409B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10250431 2002-10-30
DE10250431A DE10250431A1 (de) 2002-10-30 2002-10-30 Walzwerk mit Supportplatten
PCT/EP2003/010549 WO2004039512A1 (de) 2002-10-30 2003-09-23 Walzwerk mit supportplatten

Publications (2)

Publication Number Publication Date
EP1558409A1 EP1558409A1 (de) 2005-08-03
EP1558409B1 true EP1558409B1 (de) 2006-05-24

Family

ID=32103163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03748074A Expired - Lifetime EP1558409B1 (de) 2002-10-30 2003-09-23 Walzwerk mit supportplatten

Country Status (10)

Country Link
US (1) US20060150702A1 (ja)
EP (1) EP1558409B1 (ja)
JP (1) JP4403077B2 (ja)
CN (1) CN1304130C (ja)
AT (1) ATE327056T1 (ja)
AU (1) AU2003267397A1 (ja)
DE (2) DE10250431A1 (ja)
RU (1) RU2319563C2 (ja)
UA (1) UA80980C2 (ja)
WO (1) WO2004039512A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10256749A1 (de) * 2002-12-05 2004-06-17 Sms Demag Ag Walzwerk mit Mitteln zum Wechseln von Walzen
RU2378064C1 (ru) * 2006-01-09 2010-01-10 Смс Зимаг Акциенгезелльшафт Перевалочная яма и способ смены валков
IT1392497B1 (it) * 2008-12-30 2012-03-09 Danieli Off Mecc Laminatoio multigabbia, di tipo allungatore longitudinale, per corpi astiformi, comprendente gabbie a quattro rulli motorizzati, e procedimento per cambio gabbie
CN103406393A (zh) * 2013-08-16 2013-11-27 济南二机床集团有限公司 一种校平机

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1602028A1 (de) * 1951-01-28 1970-06-04 Blaw Knox Co Walzenauswechselvorrichtung
BE755842A (fr) * 1968-07-19 1971-02-15 Masch & Werkzeugbau Gmbh Cage de laminoir et dispositif changeur des cylindres de travail d'une cage
DE1965882A1 (de) * 1969-03-19 1970-09-24 Masch U Werkzeugbau Gmbh Vorrichtung zum Auswechseln der Arbeitswalzen von Walzgeruesten
GB1241639A (en) * 1969-06-03 1971-08-04 Davy & United Eng Co Ltd A pit cover
US3842639A (en) * 1973-06-20 1974-10-22 Mesta Machine Co Side-shifting mill roll
US4222258A (en) * 1978-11-17 1980-09-16 Co-Steel International Limited Mill stand
JPS6056564B2 (ja) * 1980-06-18 1985-12-11 株式会社日立製作所 圧延機のロ−ル組替装置
DE3544781A1 (de) * 1985-12-18 1987-06-19 Schloemann Siemag Ag Verfahren und vorrichtung zur hoehenverlagerung von walzen in walzgeruesten
DE3805476A1 (de) * 1988-02-22 1989-08-31 Schloemann Siemag Ag Walzstrasse, insbesondere walzstrasse in einem formstahl-walzwerk
DE4321663A1 (de) * 1993-06-30 1995-01-12 Schloemann Siemag Ag Walzwerk mit Mitteln zum Walzenwechsel
DE19747013A1 (de) * 1997-10-24 1999-04-29 Schloemann Siemag Ag Vorrichtung und Verfahren für schnellen Walzenwechsel an einem Sechswalzen-Walzgerüst
US6408667B1 (en) * 2000-10-26 2002-06-25 Bethlehem Steel Corporation Four-high mill stand roll change device, a method of retrofit, and a roll change device therefrom
CN2488617Y (zh) * 2001-04-24 2002-05-01 广东省韶关钢铁集团有限公司 轧机换辊装置
CN2487459Y (zh) * 2001-06-05 2002-04-24 重庆钢铁(集团)有限责任公司 轧机换辊装置

Also Published As

Publication number Publication date
CN1304130C (zh) 2007-03-14
DE10250431A1 (de) 2004-05-13
ATE327056T1 (de) 2006-06-15
EP1558409A1 (de) 2005-08-03
JP4403077B2 (ja) 2010-01-20
RU2319563C2 (ru) 2008-03-20
DE50303508D1 (de) 2006-06-29
UA80980C2 (en) 2007-11-26
WO2004039512A1 (de) 2004-05-13
RU2005102112A (ru) 2005-07-20
JP2006504534A (ja) 2006-02-09
AU2003267397A1 (en) 2004-05-25
CN1694771A (zh) 2005-11-09
US20060150702A1 (en) 2006-07-13

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