US20060150702A1 - Rolling mill with support plates - Google Patents

Rolling mill with support plates Download PDF

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Publication number
US20060150702A1
US20060150702A1 US10/530,385 US53038505A US2006150702A1 US 20060150702 A1 US20060150702 A1 US 20060150702A1 US 53038505 A US53038505 A US 53038505A US 2006150702 A1 US2006150702 A1 US 2006150702A1
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US
United States
Prior art keywords
support plates
roll
rolls
replacing
undercarriage
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.)
Abandoned
Application number
US10/530,385
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English (en)
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
Individual
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 Individual filed Critical Individual
Assigned to SMS DEMAG AKTIENGESELLSCHAFT reassignment SMS DEMAG AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LAZZARO, KLAUS, RACKEL, HARALD
Publication of US20060150702A1 publication Critical patent/US20060150702A1/en
Assigned to SMS SIEMAG AKTIENGESELLSCHAFT reassignment SMS SIEMAG AKTIENGESELLSCHAFT CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SMS DEMAG AKTIENGESELLSCHAFT
Abandoned 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 having support plates or platforms which are provided on the operating side of the roll stands and which are displaced transversely to the axes of the rolls.
  • these support plates are outfitted, in particular, with rail pairs and are located adjacent to a mill floor level to be able to transport the working rolls back and forth.
  • the rolling mill further has trenches which are arranged upstream of respective roll stands on the operating side and have a base which is outfitted with run-out rails, in particular, for removal of back-up rolls.
  • Such a rolling mill with support plates which are displaced transversely, i.e., in a rolling direction or in a direction opposite the rolling direction, are disclosed in DE 43 21 663 A1.
  • the trenches which are arranged between the roll stands and the transversely displaceable support plate line, are overlapped by pivotal flaps.
  • the flaps For replacement of the working rolls, the flaps occupy a horizontal position while for replacing the back-up rolls, they pivot out to free a trench for introducing back-up rolls sets.
  • the working rolls are dragged by a traction machine from the roll stand over the flaps up to the support plates, with both the flaps and the support plates being outfitted with corresponding rail pairs.
  • the object of the invention is to provide a rolling mill with which the replacement of working rolls takes place within a shorter time period.
  • the basic idea consists in that the transversely displaceable support plates are displaced with a transport device from a position for replacing the working rolls into a position for replacing the back-up rolls and back, by being sunk transverse to the rolling direction in a direction of a control pulpit beneath the mill floor level and adjacent to a trench region.
  • the support plates are arranged immediately adjacent to the roll stands and form themselves an upper closure of the trenches.
  • the transverse displacement takes place directly in front of the rolling mill train. Thereby, the displacement path of the working rolls can be reduced, whereby the necessary time for the working roll replacement can be reduced to a minimum.
  • the support plates are sunk at an angle through the trench region from a first position in which the support plates are located immediately adjacent to the roll stands above the trenches, to a second position in which they are located before the trench (viewing from the control pulpit) beneath the mill floor level, while retaining their alignment during the transportation movement.
  • a transport device for the support plates e.g., a displaceable lifting platform can be used, which can provide for sinking of the plates beneath the mill floor level and for displacement out of the trench region necessary for the back-up roll sets.
  • the transport device has an undercarriage with rolls.
  • the support plates themselves are displaceably arranged with respect to an undercarriage table in order to enable the transverse displacement along the support plate line.
  • On the base of a respective trench there are provided ramps which rise in a direction of the roll stand.
  • a particularly advantageous solution consists in that the undercarriage is displaced by a piston-cylinder unit that is also used for transporting the back-up roll sets on the trench base. In this way, no further drive for the transport device is necessary.
  • the piston or a piston-extending traverse is rotatably connected with a support rod the other end of which is rotatably supported on the bottom of the undercarriage table.
  • the separate support plates need not to be connected with each other. They are rather movable with a side edge to a side edge.
  • FIG. 1 a side view of a rolling mill with roll stands and an immediately adjoining the stands, line of support plates with separate sinking and displaceable support plates;
  • FIG. 2 a plan view of the rolling mill shown in FIG. 1 ;
  • FIG. 3 a cross-sectional view along line B-B in FIG. 1 with a support plate in a position in which it is used for changing the working rolls;
  • FIG. 4 a cross-sectional view along line A-A in FIG. 1 with a support plate in a position in which it is used for changing the back-up rolls.
  • FIGS. 1 and 2 show a rolling mill with, here, seven finishing roll stands F 1 -F 7 .
  • BS operating side
  • a line 1 of transversely displaceable support plates 2 is provided on the operating side BS (AS designates the opposite drive side) of the stand line, immediately laterally adjacent thereto.
  • Each support plate 2 is equipped with rail pairs 3 extending along roll axes.
  • a used working roll set 4 ′ has been pulled out on a support plate 2 a, while new working roll sets 5 are awaiting to be inserted on respective adjoining support plate 2 b and are brought in corresponding roll stands by transverse displacement in the line.
  • ends 6 of the support plates 2 are located adjacent to the mill floor level 7 , which is likewise provided with roll pairs (not shown) for insertion and removal of working roll sets 4 , 5 with corresponding traction machines 8 (see FIGS. 3 and 4 ).
  • the transportation with traction machines 8 can be effected, e.g., according to the method disclosed in DE 43 21 663 A1 in accordance with which tooth gears of a traction machine engage tooth racks arranged along the rails.
  • the function of a traction machine can be performed by a hydraulic cylinder.
  • FIGS. 3 and 4 On the operating side BS or in the direction of a control pulpit, adjacent to a roll stand Fi with a working roll set 4 and a back-up roll set 9 , there is provided a trench 10 the base 11 of which is equipped with run-out rails (not shown) for the back-up roll set 9 .
  • the trench 10 In the position for changing the working roll set, which is shown in FIG. 3 , the trench 10 is covered by a support plate 2 .
  • the support plate 2 flush covers the trench 10 between the roll stand Fi and the adjoining mill floor level 7 .
  • the traction machines 8 which transport the working roll sets 4 in and out, can travel over the mill floor level 7 immediately up to the support plate 2 .
  • the used roll sets 4 ′′ can be immediately pulled over corresponding rail tracks into the mill shop WW and then be displaced back from there.
  • the support plates 2 themselves can be transported with a transport device 12 in the horizontal position shown in FIG. 3 , and be held there.
  • the transport device 12 which is formed as undercarriage 13 , consists essentially of a table 14 with a roller pair 15 a, 15 b arranged thereon.
  • the table 14 itself has rails 17 on its upper surface 16 (see FIG. 2 ) and which extend transverse to the roll axes and form a line, with the tables being pushed against each other.
  • the support plates 2 have corresponding rollers 18 displaceable along the rail tracks for transverse displacement.
  • a guide 19 is provided between a respective support plate 2 and the table upper surface 16 .
  • the under-carriage 13 is located in an end position on two ramp pairs 20 a, 20 b or tapered rails, e.g., with inclination of about 20°.
  • the position of the support plate 2 for changing the back-up rolls will be explained with reference to FIG. 4 . Because the trench is filled with the lower portion of the back-up roll set 9 , the support plate 2 is sunk with inclination downwardly in the region 21 that adjoins a region of the trench 10 .
  • the undercarriage 13 is displaced along the ramp pair 20 a, 20 b away from the roll stand Fi below the floor level 7 , with the guide cams 22 facilitating the displacement.
  • the guide cams 22 prevent a sidewise displacement of the table 14 during the sinking movement and in the sunk position.
  • the displacement of the carriage 13 and, thereby, of the support plate 2 is effected with a piston-cylinder unit 23 that also displaces the back-up roll set 9 .
  • a piston-extending traverse or adapter 24 is connected with the back-up roll set 9 and displaces the set 9 during a horizontal movement along run-out rails in the trench 10 and displaces back-up roll set back after an exchange of back-up rolls.
  • the undercarriage 13 Simultaneously with the displacement of the back-up roll set 9 out, the undercarriage 13 is displaced from an elevated position into a sunk position below the floor level 7 .
  • a push rod 25 which is rotatably secured in the center of the bottom of the table 14 , engages the undercarriage and pulls it from the ramps onto the sunk support plates.
  • An end of the floor level that immediately adjoins the trench 10 is provided with a flap 31 .
  • the front ramp pair 20 a is offset relative to the rear ramp pair 20 b.
  • the run-out lines along the taped rails 30 can be seen particularly clear in FIG. 2 .
  • the support plate 2 c which is associated with the second finishing roll stand F 2 , is shown as being sunk in its run-out position, e.g., transverse to the roll direction while all of the other support plates 2 are shown in the working roll exchange position.
  • a working roll set 4 that was moved out and, next to it, a new working roll set 5 .
  • the support plates preferably, are not connected with each other but are arranged side-by-side next to each other. They are moved back and forth with two pressure units 26 a, 26 b which engage, respectively, opposite ends of a line 1 of support plates.
  • the plates 2 roll along rail pairs 17 provided in the table 14 of the undercarriage 13 .
  • Side guide rollers 27 which roll along a guide unit 19 provided on the table 14 , prevent tilting.
  • Each support plate 2 is associated with an adjustment unit 28 the position of which is variably adjustable and with which a respective support plate 2 can be adjusted with respect to a stand Fi in the position for changing the working rolls.
  • the pressure, piston-cylinder units 26 a, 26 b are covered, in the embodiment shown in the drawings, with cover sheets 29 (see FIG. 1 ).
  • the proposed solution insures that the line of support plates is located immediately adjacent to the finishing roll stands, and that the transportation path for the working rolls is a short one.
  • the support plates are sunk and linearly displaced with a transportation device.
  • the working roll exchange is effected by a transverse displacement of the support plates, and for back-up roll exchange the support plates are sunk and a displaced in a direction of the control pulpit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Handcart (AREA)
  • Machine Tool Units (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Rolling Contact Bearings (AREA)
  • Rolls And Other Rotary Bodies (AREA)
US10/530,385 2002-10-30 2003-09-23 Rolling mill with support plates Abandoned US20060150702A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102504318 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 (1)

Publication Number Publication Date
US20060150702A1 true US20060150702A1 (en) 2006-07-13

Family

ID=32103163

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/530,385 Abandoned US20060150702A1 (en) 2002-10-30 2003-09-23 Rolling mill with support plates

Country Status (10)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060144114A1 (en) * 2002-12-05 2006-07-06 Frank-Gunter Benner Rolling mill comprising means for exchanging the rolls
US20090044588A1 (en) * 2006-01-09 2009-02-19 Gerhard Blecher Method and Device for Changing Rolls

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618355A (en) * 1968-07-19 1971-11-09 Masch & Werkzeugbau Gmbh Rolling mill and systems for facilitating the interchange of rolling-mill rolls
US3667271A (en) * 1969-06-03 1972-06-06 Davy & United Eng Co Ltd Rolling mills
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
US4435970A (en) * 1980-06-18 1984-03-13 Hitachi, Ltd. Roll changing device for rolling mill
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

Family Cites Families (8)

* 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
DE1965882A1 (de) * 1969-03-19 1970-09-24 Masch U Werkzeugbau Gmbh Vorrichtung zum Auswechseln der Arbeitswalzen von Walzgeruesten
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618355A (en) * 1968-07-19 1971-11-09 Masch & Werkzeugbau Gmbh Rolling mill and systems for facilitating the interchange of rolling-mill rolls
US3667271A (en) * 1969-06-03 1972-06-06 Davy & United Eng Co Ltd Rolling mills
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
US4435970A (en) * 1980-06-18 1984-03-13 Hitachi, Ltd. Roll changing device for rolling mill
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060144114A1 (en) * 2002-12-05 2006-07-06 Frank-Gunter Benner Rolling mill comprising means for exchanging the rolls
US7363793B2 (en) * 2002-12-05 2008-04-29 Sms Demag Ag Rolling mill comprising means for exchanging the rolls
US20090044588A1 (en) * 2006-01-09 2009-02-19 Gerhard Blecher Method and Device for Changing Rolls
US8511127B2 (en) 2006-01-09 2013-08-20 Sms Siemag Aktiengesellschaft Method and device for changing rolls
US8522590B2 (en) 2006-01-09 2013-09-03 Sms Siemag Aktiengesellschaft Method and device for changing rolls
US8555688B2 (en) 2006-01-09 2013-10-15 Sms Siemag Aktiengesellschaft Method and device for changing rolls

Also Published As

Publication number Publication date
EP1558409B1 (de) 2006-05-24
CN1304130C (zh) 2007-03-14
ATE327056T1 (de) 2006-06-15
WO2004039512A1 (de) 2004-05-13
DE50303508D1 (de) 2006-06-29
RU2005102112A (ru) 2005-07-20
AU2003267397A1 (en) 2004-05-25
EP1558409A1 (de) 2005-08-03
CN1694771A (zh) 2005-11-09
UA80980C2 (en) 2007-11-26
DE10250431A1 (de) 2004-05-13
JP2006504534A (ja) 2006-02-09
JP4403077B2 (ja) 2010-01-20
RU2319563C2 (ru) 2008-03-20

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SMS DEMAG AKTIENGESELLSCHAFT, GERMANY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RACKEL, HARALD;LAZZARO, KLAUS;REEL/FRAME:016934/0324;SIGNING DATES FROM 20050225 TO 20050308

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION

AS Assignment

Owner name: SMS SIEMAG AKTIENGESELLSCHAFT, GERMANY

Free format text: CHANGE OF NAME;ASSIGNOR:SMS DEMAG AKTIENGESELLSCHAFT;REEL/FRAME:022816/0807

Effective date: 20090325

Owner name: SMS SIEMAG AKTIENGESELLSCHAFT,GERMANY

Free format text: CHANGE OF NAME;ASSIGNOR:SMS DEMAG AKTIENGESELLSCHAFT;REEL/FRAME:022816/0807

Effective date: 20090325