EP0483599B1 - Cage de laminoir comprenant des dispositifs pour supporter à distance le cylindre de travail supérieur - Google Patents
Cage de laminoir comprenant des dispositifs pour supporter à distance le cylindre de travail supérieur Download PDFInfo
- Publication number
- EP0483599B1 EP0483599B1 EP91117631A EP91117631A EP0483599B1 EP 0483599 B1 EP0483599 B1 EP 0483599B1 EP 91117631 A EP91117631 A EP 91117631A EP 91117631 A EP91117631 A EP 91117631A EP 0483599 B1 EP0483599 B1 EP 0483599B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chocks
- levers
- roll
- support levers
- support
- 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
Links
- 238000005096 rolling process Methods 0.000 title description 8
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 210000005069 ears Anatomy 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000000034 method Methods 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
- 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
-
- 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
- B21B31/106—Vertical displacement of rolls or roll chocks during horizontal roll changing
-
- 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
- B21B31/16—Adjusting or positioning rolls
- B21B31/18—Adjusting or positioning rolls by moving rolls axially
Definitions
- the invention relates to a roll stand with work rolls mounted in chocks, the upper of which can be lifted off from the lower by means of balancing cylinders and mechanical means assigned to a roll change by the chocks to prevent damage to their bales from being touched above the lower work roll, the mechanical means being pivotable Include support levers that are supported in their operative position with their free ends on the opposite chocks.
- US-A-3 877 276 discloses support levers pivotally connected to one of the chocks of one of the rolls of a pair of rolls, the legs of which can be displaced in a groove of the opposite chocks during operation of the rolls and for changing rolls with one of the groove excavated support on the edge of the groove. Since the support levers are never completely lifted out of their groove, mutual axial displacements of the rollers are prevented in the case of roller sets prepared for removal. However, this has the disadvantage that such axial displacements are not possible even during rolling; Scaffolds common today, however, often have additional setting options in which work rolls must also be axially shifted against each other during rolling operation, e.g.
- the recesses or grooves would have to be extremely long or wide in order to allow relative axial displacements relative to one another during the rolling operation, and accordingly the rollers have to be shifted further against one another in order to change the rollers.
- the invention is based on the object of providing a simple device by means of which the upper work roll can be supported in a secured middle position with axial displacement so far above the lower one when the roll is changed in generic roll stands that contact with the bale and thus damage to its lateral surfaces are excluded are.
- the device should also be so light and easy to use that additional times for parking the upper work roll on the lower one are not, or only to a small extent, taken up.
- FIG. 1 shows a vertical section through a stator 1 shown broken off, which shows a fixed block 2 held by screws in the stator window, in which blocks 3 and 4 which are displaceable parallel to the axes of the rollers are held, each with hydraulic bending cylinders 5 are equipped to bend the work rolls.
- the piston rods of these bending cylinders 5 engage ears 6, 7 of the chocks 8, 9 of the work rolls 10, 11.
- the chocks 8 of the upper work roll 10 encompass side flanks 13 of the chocks 9 of the lower work roll with shoulders 12.
- the lugs 12 are each equipped with a slot 14, in which, supported by a pivot pin 15, support levers 16 are pivotally arranged.
- the support levers 16 are in turn equipped at the rear with a groove in which a spring 17 is held, which in the exemplary embodiment is single ended with the support lever 16 connected leaf spring it formed, the free end of which is supported against a wear plate 18 of the chock 8.
- the upper end of the chock 9 of the lower work roll 11 is provided with a groove 19 for receiving the support lever 16.
- the ears 7 of the chock 9 of the lower work roll 11 not only engage under the piston rods of the bending cylinders 5, they are also equipped with a pin supporting a roller 20, which allows the work rolls to be extended by means of a liftable extension rail 21.
- FIG. 2 shows a side view of a chock 8 of the upper work roll 10 which has been broken open in some areas.
- the pivot pin 15 is mounted with slight play.
- the support lever 16 Connected to it is the support lever 16 which can be pivoted within the slot 14 of the projection 12.
- a shaft 23 engages in a form-fitting manner in one of the ends of the pivot pin 15 and is held by a plate which overlaps a collar and is provided with an actuating lever 24 at the free end which bears against a bolt 26 which is arranged on the displaceable block 3 and can be actuated by a bolt cylinder 25.
- FIG. 3 shows the shaft 27 of the locking cylinder 25, on which a ring shoulder 29 of the bolt 26 is fixed by means of a nut 28.
- one end 30 of the locking bar 26 engages behind a strip 31 of the chock 8 and thus connects the displaceable block 3 with the chock 8, so that when the upper work roll 10 is axially displaced, the chock 8 of the displaceable block 3 takes along.
- the upper chocks 8 are first raised into the position shown by means of the bending cylinders 5, which also serve for balancing, via their ears 6. Since the shifting devices of the work rolls, not shown, have previously shifted them into their axial middle or zero position, the springs 17 press the support levers 16, which can be pivoted about pivot bolts 15, into the groove 19 of the chocks 9 of the lower work rolls 11.
- the engagement-side flanks of the groove 19 are chamfered and wedge-like widened and / or the edge strips of the flanks of the support lever 16 lying at the front in the pivoting direction are tapered in a wedge shape.
- the actuation lever 24 In order to allow the support levers 16 to engage in the groove 19, their prestressing by the springs 17 is not sufficient, however. It is also necessary for the actuation lever 24 to be released. In the exemplary embodiment, this is achieved by actuating the locking cylinder 25. During the rolling, the piston of the locking cylinder 25 is retracted and the ends 30 of the locking bars 26 overlap the strips 31 of the mounting pieces 8 connected to the sliding blocks 3. If the work rolls 10 and 11 are moved into their symmetrical middle or zero position, the locking cylinder 25 can be actuated.
- the lugs 32 of the latch 26 penetrate into the recesses fixed to the stand and thus lock the displaceable blocks 3 in their zero position with the stand, so that their position does not change during the following process of extending and an unlocking can take place after retracting the exchange rate of the work rolls .
- the actuating levers 24 of the support levers 16 are also released, so that they can now enter the groove 19 under the action of their bias by the spring 17.
- the upper work roll 10 with chocks 8 is slightly raised by means of the upper bending cylinder 5, and by retracting the locking cylinder, on the one hand, the interlocks between the displaceable blocks 3 and the stand are released, the displaceable blocks 3 simultaneously with the chocks 8 get connected.
- the support levers 16 are then simultaneously lifted out of the grooves 19 and pivoted back against the force of the springs 17 into their extreme position shown in FIG. 1, so that now after the application of the bending cylinder 5 corresponding to the rolling, the tapping can be done.
- the invention is not limited to the illustrated embodiment; in particular, the actuation of the support lever 16 can be designed differently.
- actuating devices provided for it can be arranged, and in the case of double-acting drive devices it is also possible to dispense with pretensioning by means of a spring.
- the upper work roll is supported for the roll change on the lower one while maintaining a distance with little effort, without requiring a special axial displacement of the work rolls against one another, and at the same time the work rolls are not only held at a predetermined distance, they are also securely fixed one above the other in a symmetrical position.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Metal Rolling (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Automatic Assembly (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Claims (7)
- Cage de laminage comportant des cylindres de travail (1O, 11) logés dans des empoises, dont le cylindre supérieur (10) est relevable par rapport au cylindre inférieur (11) moyennant des vérins de compensation, et est maintenu au-dessus du cylindre de travail inférieur (11) par des moyens mécaniques (16) associés aux empoises (6), en vue d'éviter l'endommagement de leur corps de cylindre lors d'un remplacement de cylindre, les moyens mécaniques comportant des leviers de support pivotables (16) qui, dans leur position de travail, prennent appui par leur extrémité libre sur les empoises (6) opposées,
caractérisée en ce que les deux empoises (6) de l'un des cylindres de travail (10) comportent chacune deux leviers de support pivotants(16) qui, dans leur position de repos, comprennent entre eux les flancs des empoises opposées (9) et qui, après relevage du cylindre de travail supérieur, s'engagent par pivotement vers l'intérieur dans leur position de travail, dans une rainure (19) pratiquée dans les empoises opposées (9), transversalement par rapport à la direction des axes des cylindres. - Cage de laminage selon la revendication 1 caractérisée en ce que des ressorts (17) qui mettent les leviers de support (16) sous tension préalable dans le sens de l'une des positions extrêmes de ceux-ci y sont associés, et en ce que les axes de pivotement (15,23) desdits leviers de support sont munis de leviers de commande (24).
- Cage de laminage selon la revendication 1 ou 2 caractérisée en ce que les axes de pivotement (15) des leviers de support (16) sont logés moyennant un jeu et en ce que les contours (34) de la tête des leviers de support (16) reprennent, en association avec les contours des fentes (14) pour le logement desdits leviers de support, la charge à supporter.
- Cage de laminage selon l'une des revendications 1 à 3 caractérisée en ce que les contours de la tête des leviers de support, en association avec le contour de la fente de logement (14) de ceux-ci, et/ou les zones de flanc du levier de support (16) en association avec les contours de la fente de logement de ceux-ci limitent comme des butées la zone de pivotement du levier de support.
- Cage de laminage selon l'une des revendications 1 à 4 caractérisée en ce que la largeur de la rainure (19) dans laquelle s'engage le levier de support pivotant (16) ne dépasse que légèrement l'épaisseur des leviers de support, et en ce que les flancs des leviers de support se rétrécissent en forme de coin du côté faisant face à la rainure et/ou la rainure (19) dans laquelle s'engage le levier pivotant (16) s'élargit en forme de coin dans la direction vers ledit levier pivotant (16).
- Cage de laminage selon l'une des revendications 1 à 5 caractérisée en ce que des dispositifs d'entraînement sont associés aux leviers de commande (24).
- Cage de laminage selon l'une des revendications 1 à 5 caractérisée en ce que des cames de commande qui s'étendent dans la zone de fonctionnement des verrous (26) qui verrouillent les empoises (8) et/ou divers blocs déplaçables (3) s'engagent dans les leviers de commande (24).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4034436 | 1990-10-29 | ||
DE4034436A DE4034436A1 (de) | 1990-10-29 | 1990-10-29 | Walzgeruest mit anordnung zur distanzierten abstuetzung der oberen arbeitswalze |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0483599A2 EP0483599A2 (fr) | 1992-05-06 |
EP0483599A3 EP0483599A3 (en) | 1992-08-26 |
EP0483599B1 true EP0483599B1 (fr) | 1996-07-10 |
Family
ID=6417285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91117631A Expired - Lifetime EP0483599B1 (fr) | 1990-10-29 | 1991-10-16 | Cage de laminoir comprenant des dispositifs pour supporter à distance le cylindre de travail supérieur |
Country Status (12)
Country | Link |
---|---|
US (1) | US5195346A (fr) |
EP (1) | EP0483599B1 (fr) |
KR (1) | KR920007706A (fr) |
CN (1) | CN1029595C (fr) |
AT (1) | ATE140167T1 (fr) |
DE (2) | DE4034436A1 (fr) |
ES (1) | ES2089083T3 (fr) |
LT (1) | LT3735B (fr) |
LV (1) | LV10935B (fr) |
RU (1) | RU2068743C1 (fr) |
TW (1) | TW210295B (fr) |
UA (1) | UA26210A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4228164B4 (de) * | 1992-08-25 | 2007-09-27 | Sms Demag Ag | Vorrichtung zur Abstandspositionierung von in Lagereinbaustücken lagernden Walzenpaaren |
DE69408103T2 (de) * | 1993-11-29 | 1998-09-03 | Danieli Off Mecc | Vorrichtung zum axialen Spannen/Lösen der Einbaustücke der Walzen in einem Walzgerüst |
DE19508972A1 (de) * | 1995-03-13 | 1996-09-19 | Schloemann Siemag Ag | Vorrichtung zur automatischen Positionierung von Walzgerüsten mit Kaliberwalzen und diesen vorgeordneten Walzbalken und Walzarmaturen auf die Walzmitte |
EP1772203A1 (fr) * | 2005-10-10 | 2007-04-11 | VAI Industries (UK) Limited | Dispositif pour le cintrage de cylindres |
AT504208B1 (de) * | 2006-04-21 | 2008-04-15 | Siemens Vai Metals Tech Gmbh | Biegevorrichtung für zwei arbeitswalzen eines walzgerüstes |
DE102009058876A1 (de) * | 2009-01-23 | 2010-07-29 | Sms Siemag Ag | Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Walzgerüstes |
CN102602208B (zh) * | 2012-02-28 | 2014-08-20 | 上海交通大学 | 一种全液压驱动辊型微细压印装置 |
CN111054760B (zh) * | 2019-12-09 | 2021-11-23 | 安徽工业大学 | 一种轧机抑振装置 |
EP4163027A1 (fr) * | 2021-10-05 | 2023-04-12 | Primetals Technologies Limited | Cage de laminoir et procédé de changement d'un ensemble rouleau de travail correspondant |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2090402A (en) * | 1936-03-16 | 1937-08-17 | Morgan Construction Co | Rolling mill |
JPS4517165Y1 (fr) * | 1966-11-30 | 1970-07-15 | ||
JPS5039619B2 (fr) * | 1972-07-17 | 1975-12-18 | ||
DE2326389C3 (de) * | 1973-05-24 | 1980-07-31 | Maschinen- Und Werkzeugbau Gmbh, 4600 Dortmund | Quartowalzgerüst |
US3877276A (en) * | 1973-12-28 | 1975-04-15 | Mesta Machine Co | Mill roll changing system including a cantilevered roll assembly |
SU544484A2 (ru) * | 1975-05-26 | 1977-01-30 | Предприятие П/Я Г-4586 | Рабоча клеть |
SU576128A1 (ru) * | 1976-04-26 | 1977-10-15 | Предприятие П/Я А-7697 | Многовалковый стан,преимущественно дл прокатки плющеной ленты |
SU738702A1 (ru) * | 1978-03-06 | 1980-06-06 | Магнитогорский горно-металлургический институт им.Г.И.Носова | Механизм осевой фиксации подушки рабочего валка |
JPS6056563B2 (ja) * | 1980-10-24 | 1985-12-11 | 新日本製鐵株式会社 | 圧延機のヨ−ク着脱装置 |
DE3211378A1 (de) * | 1982-03-27 | 1983-12-29 | Mannesmann AG, 4000 Düsseldorf | Walzenstuetzeinrichtung fuer den arbeitswalzenwechsel an walzgeruesten |
DE3815454A1 (de) * | 1988-05-06 | 1989-11-16 | Schloemann Siemag Ag | Biege- und ausbalanciervorrichtung fuer axial verschiebbare walzen eines walzgeruestes |
-
1990
- 1990-10-29 DE DE4034436A patent/DE4034436A1/de not_active Withdrawn
-
1991
- 1991-10-09 TW TW080107958A patent/TW210295B/zh active
- 1991-10-14 KR KR1019910018024A patent/KR920007706A/ko not_active Application Discontinuation
- 1991-10-16 DE DE59107990T patent/DE59107990D1/de not_active Expired - Lifetime
- 1991-10-16 EP EP91117631A patent/EP0483599B1/fr not_active Expired - Lifetime
- 1991-10-16 AT AT91117631T patent/ATE140167T1/de not_active IP Right Cessation
- 1991-10-16 ES ES91117631T patent/ES2089083T3/es not_active Expired - Lifetime
- 1991-10-28 RU SU915010025A patent/RU2068743C1/ru active
- 1991-10-28 UA UA5010025A patent/UA26210A/uk unknown
- 1991-10-28 US US07/783,564 patent/US5195346A/en not_active Expired - Lifetime
- 1991-10-29 CN CN91108371A patent/CN1029595C/zh not_active Expired - Lifetime
-
1993
- 1993-06-08 LV LVP-93-519A patent/LV10935B/lv unknown
- 1993-12-15 LT LTIP1603A patent/LT3735B/lt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0483599A2 (fr) | 1992-05-06 |
CN1060982A (zh) | 1992-05-13 |
ES2089083T3 (es) | 1996-10-01 |
ATE140167T1 (de) | 1996-07-15 |
LT3735B (en) | 1996-02-26 |
DE4034436A1 (de) | 1992-04-30 |
DE59107990D1 (de) | 1996-08-14 |
KR920007706A (ko) | 1992-05-27 |
RU2068743C1 (ru) | 1996-11-10 |
LTIP1603A (en) | 1995-07-25 |
LV10935A (lv) | 1995-12-20 |
EP0483599A3 (en) | 1992-08-26 |
LV10935B (en) | 1996-06-20 |
US5195346A (en) | 1993-03-23 |
CN1029595C (zh) | 1995-08-30 |
UA26210A (uk) | 1999-07-19 |
TW210295B (fr) | 1993-08-01 |
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