CN1304130C - Rolling mill comprising support plates - Google Patents

Rolling mill comprising support plates Download PDF

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Publication number
CN1304130C
CN1304130C CNB038248484A CN03824848A CN1304130C CN 1304130 C CN1304130 C CN 1304130C CN B038248484 A CNB038248484 A CN B038248484A CN 03824848 A CN03824848 A CN 03824848A CN 1304130 C CN1304130 C CN 1304130C
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CN
China
Prior art keywords
support plate
mill
dolly
rolling mill
groove
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 - Fee Related
Application number
CNB038248484A
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Chinese (zh)
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CN1694771A (en
Inventor
H·拉克尔
K·拉扎罗
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 CN1694771A publication Critical patent/CN1694771A/en
Application granted granted Critical
Publication of CN1304130C publication Critical patent/CN1304130C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B31/00Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • B21B31/10Interchanging 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
    • B21B31/103Manipulators or carriages therefor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Intermediate Stations On Conveyors (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Rolling Contact Bearings (AREA)
  • Handcart (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Machine Tool Units (AREA)
  • Vibration Prevention Devices (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

The invention relates to a rolling mill comprising support plates (2) which are provided on the operating side (BS) of the stands (F1-Fi) and can be displaced transversally in relation to the axes of the rolls, said support plates being embodied in such a way that they can receive sets of working rolls (4) and are located adjacent to the mill floor level (7) for transporting and delivering the working rolls (4). Said rolling mill also comprises trenches (10) which are respectively arranged upstream from the stands (F1-Fi) on the operating side (BS), the base (11) of said trenches being used to deliver sets of back-up rolls (9). The aim of the invention is to reduce the delivery paths of the working rolls during replacement. To this end, a transport device (12) is associated with the support plates (2) and transports the respective support plates (2) back and forth between a position for replacing the working rolls, wherein the support plates (2a) are arranged directly next to the roll stands above the trenches (10), and a position for changing the working rolls, wherein the support plates (2c) are arranged below the mill floor level (7) next to the trench region.

Description

Rolling mill with support plate
The present invention relates on a kind of active side with the rolling-mill housing of being arranged on and the support plate that can move transverse to the milling train axis or the rolling mill of platform.In order to change the working roll group and as holding the working roll group of rolling-mill housing, it is right that described support plate also sets track especially by laterally moving, and adjacent with the terrace of mill, so that can carry and the output services roller.In addition, also be provided with groove in the front of rolling-mill housing, roll away from order to make the backing roll group, the bottom land of this groove also is equipped with especially and rolls track away from.
DE 43 21 663 A1 disclose a kind of have transversely movable, just along rolling direction or with the rolling direction rolling mill of support plate movably on the contrary.At rolling-mill housing and horizontal groove and the rotating cover cap overlap joint that is provided with between the printed line that movably support.Be in level in order to change these cover caps of working roll, and in order to change backing roll, these cover caps expose this groove by a kind of flip-flop movement, so that the backing roll group is sailed into.Described working roll always is drawn to support plate from rolling-mill housing through cover cap by hauling machine, and it is right wherein to be that cover cap or support plate all are equipped with respective track.Laterally mobile and then each new parallel track that is placed on each support plate by support plate moves to the front of rolling-mill housing to last working roll group, and drives in the frame.Hauling machine can admit used working roll group-where necessary after repeatedly laterally the moving of support plate, and sails in the mill.
This disclosed, between frame and single support plate, have in the rolling mill by the closed groove of cover cap, working roll must sail on the support plate by cover cap respectively always.Exchange laterally mobile and working roll only occurs on the support plate, so stroke is long, and correspondingly time-consuming.
According to described background technology, task of the present invention provides a kind of rolling mill that can just can realize the working roll replacing in relatively shorter time sequencing.
This task is finished by a kind of rolling mill, this rolling mill have on the fore side of the rolling-mill housing of being arranged on and transverse to milling train axis support plate movably, described support plate is used to hold the working roll group, and this support plate next-door neighbour mill terrace, be used for carrying and the output services roller, and this rolling mill also has the groove that is separately positioned on the rolling-mill housing front on fore side, and the bottom of this groove is used to make the backing roll group to roll away from.According to the present invention, a conveying device is attached troops to a unit in support plate, this conveying device is used to change a position that is used to change working roll and one between the position of backing roll carries each support plate, in the described position that is used to change working roll, support plate near rolling-mill housing be arranged on the top of groove; On the position of described replacing backing roll, support plate sinks to the zone setting of the below of mill terrace near groove.
Its core idea is, by a conveying device with transversely movable support plate from a position that is used for changing working roll by being transported to a position that is used to change backing roll along the console direction through the adjacent areas that groove sinks to mill terrace below transverse to rolling direction, and carry backspace.Support plate abuts against on the rolling-mill housing in the working roll position, and itself constitutes the closing means of the top of groove.This horizontal mobile device is set directly at the front of roll train.Therefore the stroke of working roll can minimize, thereby being used to change the required time of working roll can drop to minimum.Support plate is passed down through the sinking of groove zone obliquely between a primary importance and a second place, wherein, these support plates keep their direction in carrying motion.Support plate is set directly at the rolling-mill housing next door above the groove in described primary importance, and support plate is arranged on the front (from the angle of console) of the groove below the mill terrace in the described second place.
Being used to carry the conveying device of support plate for example can be a hoistable platform that can roll away from, and this hoistable platform is finished support plate and sunk to motion under the mill terrace, and finishes the motion of travelling of coming out from for the groove zone of support plate roller group necessity.
According to a particularly preferred form of implementation, described conveying device comprises a dolly with roller.Support plate itself can be provided with movably to a platform of dolly, laterally moves along the supporting printed line so that allow.Place, bottom at each groove is provided with the inclined-plane, and this inclined-plane rises along the rolling-mill housing direction.Show that by this dolly/inclined-plane scheme this conveying device conversion is simple, and be not subject to disturb.
By particularly advantageous scheme of following measure suggestion, that is, this dolly moves by means of identical piston-cylinder-unit.This unit also is used for transporting the backing roll group at the bottom land place.So just it be not necessary for conveying device another drive unit is set.
In order the horizontal force motion of piston-cylinder-unit to be converted to the ascending motion on inclined-plane, described piston or the crossbeam that piston is prolonged rotatably are connected with a steady arm, and the other end of this steady arm can be rotated to support on the downside of trolley platform.
For support plate is moved laterally, just push these support plates especially in the position of changing working roll.For this reason, single support plate does not need to be connected to each other, but moves one by one.
The present invention is described in detail by accompanying drawing below.These accompanying drawings illustrate:
One of Fig. 1 has rolling-mill housing and the side view near the rolling mill of the supporting printed line that has the support plate that can sink and can move of its setting;
Fig. 2 is according to the vertical view of the rolling mill of Fig. 1;
The B-B sectional view of Fig. 3 Fig. 1, and on working roll replacing position, have a support plate;
The A-A sectional view of Fig. 4 Fig. 1, and on backing roll replacing position, have a support plate.
Fig. 1 and 2 represents that has the rolling mill that seven finishing stand F1-F7 are arranged at this.Fore side BS (AS represents opposed driving side) at the frame line goes up near the supporting printed line of being made up of transversely movable support plate 21 is set abreast.Each support plate 2 is equipped with the track that is provided with along rolling axis to 3.Shown in the accompanying drawing stage, a working roll group 4 ' of having used is drawn on the support plate 2, and new working roll group 5 direct waits on each next-door neighbour's support plate 2 are come into operation, and by laterally moving or be transported to point-blank corresponding rolling-mill housing.
Can be clear that from Fig. 2 support plate 2 is adjacent with mill terrace 7 with its end 6 from rolling-mill housing is outwards pointed to.This terrace also equipped be used for carrying and the track of output services roller group 4,5 to (not shown), and have corresponding hauling machine 8 (seeing also Fig. 3 and 4).Conveying by hauling machine 8 for example can be carried out according to the disclosed method of DE 43 21 663 A1, is engaged in the tooth bar along track according to the gear of this kind method hauling machine.The function of hauling machine also alternately realizes by a hydraulic cylinder.
Describe by Fig. 3 and 4 pairs of details of the present invention below.
Each groove 10 tightly is adjacent to be arranged on the fore side BS or along the setting of operating desk direction with the rolling-mill housing Fi with a working roll group 4 and a backing roll group 9.The bottom 11 of this groove be equipped be used for backing roll group 9 roll the track (not shown) away from.As shown in Figure 3, covered by a support plate 2 at this groove 10 of position that is used for the working roll replacing.Support plate 2 entirely covers groove 10 between rolling-mill housing Fi and adjacent mill terrace 7.The hauling machine 8 that working roll group 4 is input into and exports can be crossed this mill terrace 7 and directly sail to support plate 2 places.Used working roll group 4 " can directly be drawn among the rolling plant WW by respective track, perhaps sail back again therefrom.Support plate 2 itself is transported in the horizontal level shown in Fig. 3 by a conveying device 12, and is maintained at the there.In this conveying device 12 of these dolly 13 forms mainly by a platform 14 and two rollers arranging thereon to 15a, 15b forms.14 upper surfaces 16 in it of platform have track 17 (referring to Fig. 2).This track extends transverse to milling train axis ground, and forms a line when touching platform.Support plate 2 has corresponding roller 18, and described roller can be used for laterally mobile rail running along these.In order to prevent lateral tilt, between the downside of each support plate 2 and platform upside 16, a guider 19 is set.In position shown in Figure 3, dolly 13 is positioned at gradient for example and is about two inclined-planes of 20 ° to 20a, 20b or wedge on terminal location on.
Fig. 4 represents to be used to change the position of the support plate 2 of backing roll.Because being supported the bottom of roller group 9 fully, groove is full of, so support plate 2 sinks in 10 adjacent areas 21 of one and groove zone obliquely.For this reason, to 20a, 20b sails the below of mill terrace 7 into with leaving rolling-mill housing Fi along the inclined-plane for dolly 13, and wherein, corresponding guide cam 22 is supported these motions of travelling.This guide cam 22 stops when sinking motion and being displaced sideways of platform 14 in the position that is sinking.
The moving movement of dolly 13 and support plate 2 is undertaken by piston-cylinder-unit 23, and this unit also causes the moving movement of backing roll group 9.A crossbeam or an adapter 24 that prolongs piston is connected with backing roll group 9, and by the horizontal movement that track is rolled on the edge away from this backing roll group is moved in the groove 10, and returns behind the replacing backing roll.When backing roll group 9 was rolled away from, dolly 13 moved to the position that sinks to mill terrace 7 belows from the position of improving.Therefore, a connecting rod 25 affacts on the dolly, and this dolly is drawn to the support plate of sinking from the inclined-plane.Wherein, described connecting rod 25 can be rotatably set in the middle place of platform 14 downsides.End with groove 10 next-door neighbours of mill terrace is provided with a cover cap 31.
In order to make the roller 15a of dolly 13,15b moves on the 20b up and down at inclined-plane 20a, and the inclined-plane of front is provided with 20b the inclined-plane of 20a and back with being misplaced.Particularly in the vertical view of Fig. 2, can see the line that rolls away from along wedge track 30.Attach troops to a unit at this to roll away from with sinking, just transverse to rolling direction in side, support plate 2 examples of second finish rolling support F2 ground; All other support plate 2 is then changed shown in the position at working roll.For clarity sake, on the support plate 2 of the first rolling-mill housing F1, show working roll group of rolling away from 4 and the new working roll group 5 that is provided with on its next door.
Preferably support plate is not connected to each other, but one is changed a ground and is arranged side by side.These support plates by respectively with the pressure unit 26a of an end effect of supporting printed line 1,26b moves back and forth.For this reason, support plate 2 rolls to 17 along the track in the platform 14 that is encased in dolly 13.The side direction guide roller that rolls along the pilot unit 19 that is arranged on the platform 14 prevents from.Set an adjustment unit 28 for each support plate 2, the position changeableization ground of this unit is regulated.Can adjust each support plate 2 that is arranged in the position that is used to change working roll corresponding to a rolling-mill housing F1 by this adjustment unit.Shown in form of implementation in pressure-cylinder-piston- unit 26a, 26b covers (referring to Fig. 1) with cover plate 29.
The scheme of passing through to be advised can realize making the supporting printed line to be located immediately at the next door of finishing stand, and it is shorter to be used for the delivery stroke of working roll.Be supported the groove that plate covers in order to open, support plate moves by sinking campaign and moving movement by a conveying device.By the replacing of laterally moving the roller of finishing the work of support plate, in order to change backing roll support plate is sunk, and move along the console direction.
Reference numerals list
1. supporting printed line
2. support plate
3. track pair
4. working roll group (4 ' and 4 " be used working roll)
5. new working roll group
6. support plate end
7. mill terrace
8. hauling machine
9. backing roll group
10. groove
11. trench bottom
12. conveying device
13. dolly
14. platform
15. (roller is to 15a, 15b) for roller
16. platform upside
17. the track in the platform upside
18. roller
19. guider
20. (inclined-plane is to 20a, 20b) on the inclined-plane
21. with groove zone adjacent areas
22. guide cam
23. piston-cylinder-unit
24. crossbeam
25. connecting rod
26. (unit is to 26a, 26b) for mobile unit, especially pressure unit
27. side guide roller
28. adjustment unit
29. cover plate
30. wedge track
31. cover cap
The smart trailer frame of F1-F7 (Fi)
The BS fore side
The AS driving side
The WW rolling plant

Claims (8)

1. have on the fore side (BS) of the rolling-mill housing of being arranged on (F1-Fi), and transverse to the milling train axis rolling mill of support plate (2) movably, described support plate is used to hold working roll group (4), and this support plate next-door neighbour mill terrace (7), be used for carrying and output services roller (4), and this rolling mill also has the groove (10) that is separately positioned on rolling-mill housing (F1-Fi) front on fore side (BS), the bottom of this groove (11) is used to make backing roll group (9) to roll away from, it is characterized in that, a conveying device (12) is attached troops to a unit in support plate (2), this conveying device is used to change a position that is used to change working roll and one between the position of backing roll carries each support plate (2), in the described position that is used to change working roll, support plate (2) near rolling-mill housing be arranged on the top of groove (10); On the position of described replacing backing roll, support plate (2) sinks to the zone setting of the below of mill terrace (7) near groove.
2. according to the described rolling mill of claim 1, it is characterized in that, conveying device (12) comprises a dolly (13) that has roller (15), a support plate (2) laterally is set on this dolly movably, and roller (15) concurs with the inclined-plane (20) that is arranged on the bottom (11) of each groove (10), wherein dolly (13) can drive to inclined-plane (20) from the position of the below of mill terrace (7), therefore and can drive in the position of a raising in the groove (10), and support plate (2) is concordant with mill terrace (7) in the final position that is used for changing working roll.
3. according to the described rolling mill of claim 2, it is characterized in that, the place ahead and the roller rear of dolly (13) to (15a, 15b) and corresponding inclined-plane to (20a, 20b) setting with being misplaced.
4. according to the described rolling mill of claim 2, it is characterized in that dolly (13) and a piston-cylinder-unit acting in conjunction are so that move between described two positions.
5. according to the described rolling mill of claim 4, it is characterized in that described piston-cylinder-unit is backing roll replacing-piston-cylinder-unit (23).
6. according to the described rolling mill of claim 5, it is characterized in that, run to the inclined-plane to (20a in order to support dolly (13) to rise, 20b), the described piston of backing roll replacing-piston-cylinder-unit (23) or a crossbeam (24) that prolongs this piston are connected with an end of a connecting rod (25), and this connecting rod is arranged on the dolly (13) with its other end.
7. according to the described rolling mill of claim 1, it is characterized in that, adjacent support plate (2) unclamps ground and is arranged on working roll by ground each other and changes in the position, and generally is separately positioned on mobile unit (26) on support plate (2) end along supporting printed line (1) or can in one direction or can passing by two on other direction with it.
8. according to the described rolling mill of claim 6, it is characterized in that connecting rod is arranged in the middle of the dolly with its other end.
CNB038248484A 2002-10-30 2003-09-23 Rolling mill comprising support plates Expired - Fee Related CN1304130C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10250431A DE10250431A1 (en) 2002-10-30 2002-10-30 Rolling mill with support plates
DE10250431.8 2002-10-30

Publications (2)

Publication Number Publication Date
CN1694771A CN1694771A (en) 2005-11-09
CN1304130C true CN1304130C (en) 2007-03-14

Family

ID=32103163

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB038248484A Expired - Fee Related CN1304130C (en) 2002-10-30 2003-09-23 Rolling mill comprising support plates

Country Status (10)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10256749A1 (en) * 2002-12-05 2004-06-17 Sms Demag Ag Rolling mill with means for changing rolls
US8522591B2 (en) * 2006-01-09 2013-09-03 Sms Siemag Aktiengesellschaft Device for changing/transporting rolls
IT1392497B1 (en) * 2008-12-30 2012-03-09 Danieli Off Mecc MULTI-CHAMBER MILL, OF THE LONGITUDINAL EXTENSION TYPE, FOR ASTIFORM BODIES, INCLUDING FOUR ROLLER CAGES, AND PROCEDURE FOR CAGE CHANGE
CN103406393A (en) * 2013-08-16 2013-11-27 济南二机床集团有限公司 Leveling machine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1144410A (en) * 1951-01-28 1969-03-05 Blaw Knox Co Roll changing apparatus
DE1965882A1 (en) * 1969-03-19 1970-09-24 Masch U Werkzeugbau Gmbh Replacement of rollers on quante rolling-stands
CN86108514A (en) * 1985-12-18 1987-07-29 Sms舒路曼-斯玛公司 The method and apparatus of vertical mobile roll in mill stand
CN1037099A (en) * 1988-02-22 1989-11-15 Sms舒路曼-斯玛公司 Roll train, the particularly roll train of rolling of sectional iron station-service
DE4321663A1 (en) * 1993-06-30 1995-01-12 Schloemann Siemag Ag Rolling mill with means for roll changing
US6053020A (en) * 1997-10-24 2000-04-25 Sms Schloemann-Siemag Aktiengesellschaft Device and method for rapid roll changes in a six-high roll stand
CN2487459Y (en) * 2001-06-05 2002-04-24 重庆钢铁(集团)有限责任公司 Roll interchanging device for rolling mill
CN2488617Y (en) * 2001-04-24 2002-05-01 广东省韶关钢铁集团有限公司 Roll changer 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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE755842A (en) * 1968-07-19 1971-02-15 Masch & Werkzeugbau Gmbh ROLLER CAGE AND CHANGING DEVICE FOR WORKING CYLINDERS OF A CAGE
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 (en) * 1980-06-18 1985-12-11 株式会社日立製作所 Roll changing device for rolling mill

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1144410A (en) * 1951-01-28 1969-03-05 Blaw Knox Co Roll changing apparatus
DE1965882A1 (en) * 1969-03-19 1970-09-24 Masch U Werkzeugbau Gmbh Replacement of rollers on quante rolling-stands
CN86108514A (en) * 1985-12-18 1987-07-29 Sms舒路曼-斯玛公司 The method and apparatus of vertical mobile roll in mill stand
CN1037099A (en) * 1988-02-22 1989-11-15 Sms舒路曼-斯玛公司 Roll train, the particularly roll train of rolling of sectional iron station-service
DE4321663A1 (en) * 1993-06-30 1995-01-12 Schloemann Siemag Ag Rolling mill with means for roll changing
US6053020A (en) * 1997-10-24 2000-04-25 Sms Schloemann-Siemag Aktiengesellschaft Device and method for rapid roll changes in a six-high roll stand
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 (en) * 2001-04-24 2002-05-01 广东省韶关钢铁集团有限公司 Roll changer for rolling mill
CN2487459Y (en) * 2001-06-05 2002-04-24 重庆钢铁(集团)有限责任公司 Roll interchanging device for rolling mill

Also Published As

Publication number Publication date
RU2005102112A (en) 2005-07-20
DE10250431A1 (en) 2004-05-13
JP4403077B2 (en) 2010-01-20
EP1558409A1 (en) 2005-08-03
EP1558409B1 (en) 2006-05-24
ATE327056T1 (en) 2006-06-15
RU2319563C2 (en) 2008-03-20
DE50303508D1 (en) 2006-06-29
CN1694771A (en) 2005-11-09
AU2003267397A1 (en) 2004-05-25
UA80980C2 (en) 2007-11-26
WO2004039512A1 (en) 2004-05-13
US20060150702A1 (en) 2006-07-13
JP2006504534A (en) 2006-02-09

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Granted publication date: 20070314

Termination date: 20100923