EP2516077A2 - Compression rolling mill having a coupling sleeve guide unit - Google Patents
Compression rolling mill having a coupling sleeve guide unitInfo
- Publication number
- EP2516077A2 EP2516077A2 EP10801398A EP10801398A EP2516077A2 EP 2516077 A2 EP2516077 A2 EP 2516077A2 EP 10801398 A EP10801398 A EP 10801398A EP 10801398 A EP10801398 A EP 10801398A EP 2516077 A2 EP2516077 A2 EP 2516077A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- compression
- roll
- mill according
- roller
- rolling mill
- 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
- 230000006835 compression Effects 0.000 title claims abstract description 76
- 238000007906 compression Methods 0.000 title claims abstract description 76
- 238000005096 rolling process Methods 0.000 title claims abstract description 28
- 230000008878 coupling Effects 0.000 title claims abstract 4
- 238000010168 coupling process Methods 0.000 title claims abstract 4
- 238000005859 coupling reaction Methods 0.000 title claims abstract 4
- 239000002184 metal Substances 0.000 claims abstract description 8
- 210000003739 neck Anatomy 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 210000003746 feather Anatomy 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000356 contaminant Substances 0.000 claims 1
- 239000000314 lubricant Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 235000003332 Ilex aquifolium Nutrition 0.000 description 2
- 241000209027 Ilex aquifolium Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
- B21B35/141—Rigid spindle couplings, e.g. coupling boxes placed on roll necks
-
- 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
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills
- B21B35/04—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills each stand having its own motor or motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/06—Drives for metal-rolling mills, e.g. hydraulic drives for non-continuously-operating mills or for single stands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
Definitions
- the invention relates to a compression roll for lateral compression of a metal strand with a pair of their central axes arranged vertically, against each other engagable edging rolls, which are mounted within a roll stand and are each connected via roller hits and drive shafts to a rotary drive.
- Such compression rolling mills are carried out to a considerable extent as vertical or upsetting Stauch with one or more crossheads or trusses on which the rotary drives of the rollers are mounted.
- an upsetting mill for hot operation which comprises a pair with their central axes vertically arranged, mutually engageable rollers, which are connected by means of propeller shafts to at least one rotary drive.
- This compression roll mill is characterized by the fact that the rotary drive for the two rollers below the Wegtenflur- plane arranged stationary and is drivingly connected in each case with a stationary gear each with the propeller shaft.
- a rotary drive which consists of a heavy electric motor
- the driving force by means of a horizontally arranged, continuous and rotatably mounted drive shaft and beveled on both sides bevel gear stages len transferred to the two opposite the vertical at an acute angle Gelenkwellen- len, in turn their rotational movement in propeller shaft transducers via cardan shaft heads to the compression rollers.
- the known compression roll mill has the disadvantage that it is maintenance-intensive.
- roller hits are stored between horizontally extending spars within the roll stand on roadways.
- the required depth of the compression roll is optimized.
- the arrangement of a bevel gear stage as between between a drive motor and the compression roll provided gear allows a nested structure of the transmission and the propeller shaft, which is mounted between the bevel gear and the roller hit.
- the compression roll mill comprises a roll stand with two transverse heads, two upper, two middle and two lower bars, which are each held between the crossheads.
- the crossheads each receive at least one upsetting roll attachment, which comprises mechanical or hydraulic adjustment means; However, it may also include both mechanical and hydraulic adjusting means.
- the Walzenanstell Surprise acts on the compression roller set and exerts the rolling force.
- the crossheads at least each take a Balancierzylinder on which a balance, d. H. a virtually backlash distortion of the rolling device, allows and traversing movements, z. B. for the roll change performed.
- the crossheads are connected by the spars, which absorb the forces from the rolling process in all three spatial directions.
- raceways are arranged on the spars, which carry the balancing crossbeams, the upset roll set and the compression roll finishing guide unit.
- the raceways may be inclined for particular applications, in particular down to the center of the compression roll mill.
- the balance cylinders and the roll adjuster may be inclined for optimum power and motion transmission.
- the balancing trusses are connected to the balancing cylinders. For example, the Balanciertraversen be performed on the upper spars and positively connected to the compression roller set.
- the balancing crossbeams remain in the compression roll mill, so that only the compression rolls have to be exchanged.
- the compression roller set is pressed by the roller adjustment to the rolling stock and exerts the rolling force.
- the upsetting roll is equipped with a downwardly directed roll neck which is positively connected to a roll hit in the upset die guide unit and thus transfers the torque from the gear to the roll via the hit.
- the positive connection is advantageously produced by a roller-side flat pin with a corresponding recess in the roller hit, which is preferably protected by wear plates.
- the compression roller set is guided over raceways on the upper spars.
- the corresponding guides on the compression rollers are preferably rotatable, thereby avoiding forcing on the bearings in which the compression rollers are mounted.
- the Stauchwalzen Economicser arrangementshim is guided on tracks on the lower spars and can thus be installed as a single module in the compression roll mill.
- the corresponding guides on the upset pinch and hold device are also rotatable to avoid constraint in the bearings and at the junction between the stuffing roll and the device.
- This device remains when changing the compression roller in the compression roller and follows the adjusting movement of the compression roller through the positive connection between it and the compression roller.
- the joint between the upsetting roll and the roller hit guiding unit is preferably provided with a centering ring which allows the roller hit guiding unit to exactly follow the movement of the upsetting roll.
- Each of the roller guide units is connected via a drive shaft with length compensation in each case with a transmission which is arranged stationarily below the compression roll mill.
- the propeller shafts themselves are with a tool holder in the manner of a ring for assembly purposes, eg. B. by a C-hook equipped. In addition, they preferably have a locking the length compensation locking device, which also serves maintenance and mounting purposes.
- the transmission is preferably designed in two stages with a bevel gear set and a spur gear. By the order and structural nesting of the gear stages, a substantial reduction in the required depth is achieved.
- Each gearbox is connected via a shaft with a laterally arranged drive motor.
- This shaft can be rigid or designed as a PTO shaft.
- the structural position of the drive motor can be variably adapted to the conditions on site.
- Each compression roller and its guide unit can be connected via a media chain to the required for the operation of media and electrical connections. Lubricating oils, hydraulic oil and electric power, which is required for the measuring devices connected to the compression roll mill, are preferably supplied via the media chain.
- the roller hits on guide units, in particular wings, which are mounted on or on the spars, transversely movable and oscillating stored.
- the wings are respectively slidable or rolling on the spars within guide boxes or locks encompassing the spars.
- the wings are slidable over skids on sliding strips, which are mounted on the spars and allow a shift of the roller impact in the direction of the compression roller position.
- the roller hits over chocks are stored with advantage between the bars.
- roller bearings and / or taper roller bearings ensures that the roller hits in the chocks can be rotated.
- roller hits are connected via a connecting means, in particular via a Hirth or feather key, with the propeller shafts.
- a connecting means in particular via a Hirth or feather key
- the roller hits receive the compression rollers in a form-fitting manner, in particular via roll necks formed as flat pins.
- the lower roll necks of the compression rolls are positioned over a centering ring in the roll hits.
- the roller hits pick up the lower roll necks via replaceable wear plates.
- An effective protection against the ingress of dirt into the Supporting the compression roll in the roll guide unit, ie in the region of the lower roll neck, provide protection devices, in particular a protective collar or a labyrinth arrangement.
- the compression roll mill comprises a roll stand with two crossheads and at least two pairs of bars arranged between them, between which the upsetting rolls can be reciprocated according to the width of the metal strand to be crushed.
- the crossheads each take Walzenanstell wornen, each acting on one of the two compression rollers.
- the crossheads each have at least one balancing cylinder for pretensioning the rolling device and for carrying out traversing movements when changing the rolls.
- the rotational movement of the compression rollers can be transmitted either directly from the connected via a synchronous shaft with a single drive motor transmission gears or driven via their own drive motor gearboxes on the propeller shafts.
- the two propeller shafts are connected to the drive motor via a common transmission gear and a synchronizing shaft adjoining this.
- the resolution of the compression roll mill in a plurality of individual modules resulting in improved maintenance and handling and a lower susceptibility to errors compared to the prior art. Constructive changes are easy to carry out.
- Essential to the invention is in particular the modular construction of the compression roll balancing, the compression rolls, the roller hit guiding unit and the main drive gear.
- the advantages of the invention are that the compression roll mill is easier to maintain and easier to handle than a conventional conventional compression roll mill.
- the gearboxes arranged between the propeller shafts and the compression rollers each have an output side bevel gear, which is arranged above the drive side spur gear on an intermediate shaft.
- a propeller shaft flange is attached to the side of the bevel gear at the end of the output shaft.
- the transmissions are driven either by two separate drive motors or by a single common drive motor, the transmissions being connected via a combination of gear and comb drives and synchronous shafts.
- a compression roll mill (FIG. 1) comprises a roll stand or frame 1 Transverse heads 2, 3 and pairs of upper, middle and lower bars 4, 5 and 6. Between the pair of upper bars 4, the upper bearing housings 7, 8 are arranged by compression rollers 9, 10 respectively. Balancing trusses 1 1, 12 ensure that the compression rollers 9, 10 can be moved back and forth between the bars 4, 5 and 6 in accordance with the thickness of the metal strand to be crushed.
- the lower bearing housing 1 3, 14 of the compression rollers 9, 10 are arranged in the region between the two middle bars 5.
- the compression rollers 9, 10 are respectively provided with roll necks 25, 26 and roll hits 27, 28, via which they cooperate with propeller shafts 29, 30, which are connected, for example via feather keys with the roller hits 27, 28 and their drive torque to the compression rollers 9, 10th transfer.
- the propeller shafts 29, 30 are each equipped with length compensation means, e- they are also angle-adjustable over the joints, so that they can follow the positions occupied by the compression rollers 9, 10 corresponding to the width of the metal strand to be crushed.
- devices may be present on the propeller shafts 29, 30, which lock the length compensation if necessary.
- a ring may be attached to the drive shafts 29, 30.
- the propeller shafts 29, 30 are driven by two-stage gear 31, 32. These are in turn driven by rigid or articulated shafts 33, 34.
- Drive motors 35, 36 drive on the shafts 33, 34, whereby transmission gears (not shown) can be interposed between the drive motors 35, 36 and the shafts 33, 34.
- the gear 31, 32 include, as shown in more detail by the transmission 32, each a drive side bevel gear 56, a driven side bevel gear 57, a drive side spur gear 58, a driven side spur gear 59, a Gelenk- shaft flange 60, an output shaft 61, an intermediate shaft 62nd and a drive shaft 63.
- the bevel gear 57 is disposed above the spur gear 58 on the intermediate shaft 62.
- Hits 64, 65 establish the drive connection between the ends of the output shafts 29, 30 with the drive shafts 29, 30.
- the hits 64, 65 are connected to the propeller shaft flanges 60 via a connecting means, in particular a serration or a feather key.
- a single drive motor can also be provided if its drive torque is transmitted to the two drive shafts 29, 30 via a corresponding combination of gear and / or comb roller drives and synchronous shafts.
- the hits 64, 65 can be shrunk onto the ends of the respective output shaft 61 to make the flange connection to the propeller shaft flanges 60.
- the drive of both propeller shafts 29, 30 can also be realized by a single drive motor, if corresponding transmission gears, in particular pinion gears, and a synchronous shaft are provided.
- the roll neck 25 (FIG. 2) of the compression roll 9 is mounted in the roll hit 27 via a wear plate 37.
- the wear plate 37 is screwed ben connected to the roller hit 27 and can be replaced when worn.
- the roll neck 25 is secured via a centering ring 38 in the roll hit 27.
- the roll hit 27 is rotatably mounted in a chock 41 via roller bearings 39 and tapered roller bearings 40.
- the roller hit 27 is sealed down over a raceway ring 42 relative to the chock 41.
- Guide rails 43, 44 allow the displacement of the chock 41 within the adjacent spars 6, 6a;
- the guide rails 43 are attached to the uprights 6, 6a, while the guide rail 44 is mounted circumferentially on the chock 41 on the outside.
- the roadway 16 includes on its upper side a guide box 45, in which between strips 46, 47 a rocker 48 on skids 49, 49a can be moved.
- the rocker 48 comprises a main body 50 and an axle 51, via which the rocker 48 is fixedly connected to the chock 41.
- a sealing ring 52 and a further raceway ring 53 and a protective collar 54 are present on the upper side of the roller impact 27 at the transition to the chock 41.
- Another protective collar 55 is provided on the roll neck 25.
- a sealing ring 52a is provided on the underside of the roller impact 27 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Crushing And Grinding (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910060238 DE102009060238A1 (en) | 2009-12-23 | 2009-12-23 | Rolling mill with a roller hit guiding unit |
PCT/EP2010/069435 WO2011076595A2 (en) | 2009-12-23 | 2010-12-13 | Compression rolling mill having a coupling sleeve guide unit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2516077A2 true EP2516077A2 (en) | 2012-10-31 |
EP2516077B1 EP2516077B1 (en) | 2014-10-08 |
Family
ID=44140833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10801398.8A Active EP2516077B1 (en) | 2009-12-23 | 2010-12-13 | Compression rolling mill having a coupling sleeve guide unit |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2516077B1 (en) |
JP (1) | JP5490921B2 (en) |
CN (1) | CN102655957B (en) |
DE (1) | DE102009060238A1 (en) |
WO (1) | WO2011076595A2 (en) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2575231A (en) * | 1946-03-27 | 1951-11-13 | Morgan Construction Co | Vertical rolling mill |
US3160037A (en) * | 1956-08-22 | 1964-12-08 | Russell Robert Gordon | Rolling mills |
JPS52141462A (en) * | 1976-05-21 | 1977-11-25 | Hitachi Ltd | Device for centering spindle coupling in vertical rolling machine |
JPH06102204B2 (en) * | 1987-07-14 | 1994-12-14 | 株式会社日立製作所 | Strip width rolling mill |
CN2285700Y (en) * | 1997-01-17 | 1998-07-08 | 武进市永安轧钢厂 | Vertical roll apparatus of continuous rolling mill for variable cross-section rolling |
CN2308452Y (en) * | 1997-07-08 | 1999-02-24 | 邯郸市第一轧钢厂 | Vertical roller mill |
DE10312940A1 (en) | 2003-03-22 | 2004-09-30 | Sms Demag Ag | Rolling mill, in particular upsetting rolling mill for hot operation |
CN201186295Y (en) * | 2007-06-15 | 2009-01-28 | 中国第一重型机械集团公司 | Roll gap adjusting apparatus of hot continuous rolling vertical roller mill at roughing section |
CN100469471C (en) * | 2007-08-22 | 2009-03-18 | 天津市天发重型水电设备制造有限公司 | Rough rolling vertical roller mill |
WO2009130726A1 (en) * | 2008-04-23 | 2009-10-29 | Sms-Demag Innse S.P.A. | Device and method for adjusting an edger |
-
2009
- 2009-12-23 DE DE200910060238 patent/DE102009060238A1/en not_active Withdrawn
-
2010
- 2010-12-13 CN CN201080058804.7A patent/CN102655957B/en active Active
- 2010-12-13 JP JP2012545213A patent/JP5490921B2/en active Active
- 2010-12-13 WO PCT/EP2010/069435 patent/WO2011076595A2/en active Application Filing
- 2010-12-13 EP EP10801398.8A patent/EP2516077B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011076595A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP2516077B1 (en) | 2014-10-08 |
DE102009060238A1 (en) | 2011-06-30 |
JP2013515610A (en) | 2013-05-09 |
WO2011076595A2 (en) | 2011-06-30 |
CN102655957B (en) | 2014-09-10 |
WO2011076595A3 (en) | 2011-08-18 |
JP5490921B2 (en) | 2014-05-14 |
CN102655957A (en) | 2012-09-05 |
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