EP3984662B1 - Table de transfert à rouleaux et cadre de cylindre d'écrasement - Google Patents

Table de transfert à rouleaux et cadre de cylindre d'écrasement Download PDF

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Publication number
EP3984662B1
EP3984662B1 EP21203403.7A EP21203403A EP3984662B1 EP 3984662 B1 EP3984662 B1 EP 3984662B1 EP 21203403 A EP21203403 A EP 21203403A EP 3984662 B1 EP3984662 B1 EP 3984662B1
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EP
European Patent Office
Prior art keywords
roller
centre
shaft
transfer roller
edging
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Active
Application number
EP21203403.7A
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German (de)
English (en)
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EP3984662A1 (fr
Inventor
Michael Saupe
Stefan Wendt
Christopher Sabisch
Karsten Gieseler
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 Group GmbH
Original Assignee
SMS Group GmbH
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.)
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Publication date
Priority claimed from DE102021211742.2A external-priority patent/DE102021211742A1/de
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP3984662A1 publication Critical patent/EP3984662A1/fr
Application granted granted Critical
Publication of EP3984662B1 publication Critical patent/EP3984662B1/fr
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    • 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
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/10—Arrangement or installation of feeding rollers in rolling stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements

Definitions

  • the present invention relates to a transfer roller table which enables or is provided for the transport of short metallic products, in particular rolled stock, through an edging roll stand; an edging mill for edging metal products comprising the transfer roller table according to the invention; and a rolling train comprising the edging roll stand according to the invention.
  • Edger roll stands are known in principle in the prior art. They typically have an infeed stand roller, an outfeed stand roller and a transfer roller table in between. The inlet stand roller and the outlet stand roller are usually driven in rotation and in this respect are also provided for transporting the rolled product through the edging roll stand.
  • the British patent application discloses GB 2 516 043 A a rotary drive for the center rollers of a transfer roller table.
  • the drive essentially consists of a chain, with the help of which the torque of the driven infeed stand roller and the rotationally driven outlet stand roller is picked up and transmitted to the middle rollers.
  • the British patent application teaches designing the middle rollers so that they can be pivoted upwards out of the middle of the edging roll stand.
  • Another edging roll stand with a transfer roller table according to the preamble of claim 1 is also known from the German patent application DE 10 2019 217 353 A1 known.
  • the drive concept disclosed herein for driving the center rollers of the transfer roller table provides a roller unit housed in a housing, which includes two center rollers, a separate drive arranged below the center rollers, and a gear.
  • the two middle rollers of the transfer roller table are driven by a separate drive.
  • the torque is transmitted to the two center rollers via several spur gears of the gearbox.
  • the object of the present invention is to provide a transfer roller table that is improved compared to the prior art and has an alternative drive concept.
  • the present invention is based on the object of providing an edging roll stand which is improved over the prior art.
  • the transfer roller table for an edging roll stand comprises a transfer table and at least one center roller that can be driven in rotation via a drive motor, the at least one center roller and the drive motor being designed in the form of a modular roller unit.
  • a modular roller unit is understood to mean a compact unit made up of a central roller and a drive motor assigned to the central roller. If the transfer roller table includes a plurality of center rollers, these can be combined and grouped along or transverse to a transport or rolling direction.
  • Such a drive concept offers the advantage that each of the center rollers is driven by a separate drive motor, so that the torque is transmitted directly, in contrast to the drive systems known from the prior art, and thus without shock-sensitive gearing elements of a gear.
  • a drive system in a transfer roller table with several center rollers prevents different torques from acting on the individual center rollers, as is the case, for example, with a drive system in which two or more center rollers are driven in rotation via a drive motor. In this way, different torques and the damaging stresses in the drive system resulting from different torques can be avoided.
  • roller unit Due to the modular design of the roller unit, it is particularly easy to install and remove it, which means that the transfer roller table is not only very easy to maintain, but can also be easily adapted to the respective rolling situation. In addition, no complex gear lubrication is required.
  • the drive motor can be in the form of an electric, hydraulic and/or pneumatic drive and is preferably a radial piston motor. Furthermore, the at least one center roller and/or the drive motor can be cooled.
  • the particularly compact structure of the roller unit results according to the invention from the fact that the at least one central roller is designed as a hollow roller and the drive motor is arranged at least partially inside the central roller designed as a hollow roller.
  • the at least one center roller is non-rotatably connected to a shaft which is rotatably arranged or mounted in a bearing housing of the modular roller unit, preferably via a roller bearing arranged in the bearing housing, for example a spherical roller bearing.
  • the center roller can be designed with the shaft in the form of a one-piece component.
  • the center roller and the shaft are formed from individual components which are connected to one another.
  • the shaft has at least one connecting element which extends radially from the shaft and via which it is non-rotatably connected to the center roller, for example in a non-positive manner.
  • the connecting element can be in the form of a plurality of radially extending arms or a single disc-shaped body.
  • the modular rolling unit includes a coupling, such as an elastomeric coupling, via which the shaft can be frictionally connected to a drive shaft.
  • the drive shaft can be designed as a separate component which is non-rotatably connected to the drive motor arranged in the modular reel unit.
  • the drive shaft can also be part of the drive motor.
  • the shaft is rotatably mounted at its end axially opposite to the clutch and/or to the drive motor via the roller bearing, in particular spherical roller bearing, arranged in the bearing housing.
  • the shaft as well as the drive shaft extend along a common axis through the central roller designed as a hollow roller.
  • the transfer roller table includes a bearing sleeve with at least one roller bearing arranged on the outside, such as a spherical roller bearing, via which the at least one center roller is rotatably mounted.
  • the bearing sleeve is arranged coaxially around at least a section of the drive shaft, around at least a section of the shaft and/or around at least a section of the clutch.
  • the modular roller unit preferably the drive motor, comprises a first sensor element and/or a second sensor element.
  • the transfer roller table comprises at least two modular roller units. Furthermore, the transfer roller table can also include three, four or five of the modular roller units. Each of the middle rollers can have the same diameter or a different diameter and/or a barrel length that is the same or different from one another.
  • the present invention also relates to an edging roll stand for edging metal products, in particular rolling stock, having two edging rolls which can be adjusted in relation to one another and which can be adjusted to a minimum distance (d) transversely to the transport direction; and the one transfer roller table according to the invention arranged between the two edging rollers.
  • the edging roll stand can have at least one first roller, preferably an infeed stand roller, arranged in the transport direction in front of the transfer roller table, and optionally at least one second roller, preferably an outlet stand roller, arranged in the transport direction behind the transfer roller table, for conveying the metal product through the edging roll stand. If the drive motor of the modular roller unit is operated in reverse mode, the at least one central roller is rotated alternately in clockwise and counterclockwise rotation, which is why the transport direction then changes in each case.
  • the at least one second roll, preferably the at least one outfeed stand roll then becomes the at least one first roll, preferably the at least one infeed stand roll, and vice versa.
  • the at least one center roller of the at least one modular roller unit of the transfer roller table is spaced apart in the transport direction from the first roller arranged directly in front of it and/or the second roller arranged directly behind it, or vice versa, such that for the (axial) distance AR2 between applies to these: AR2 ⁇ (LW - LA) / N, where N is the number of rollers actively involved in the transport and LW is the shortest length of the metal product, and LA is a length fraction of the metal product, where LA values between 0.1 to 400.0 mm, preferably 50.0 to 300.0 mm, more preferably between 100.0 to 200 mm, and N ⁇ 2.
  • the edging roll stand can be designed in such a way that the at least two center rolls are nested in one another, such that their barrels have different lengths and the barrel of at least one of the at least one Center roller is designed such that the rolling circles of the balls engage with each other, the (axial) distance between the at least two center rollers then being smaller than the smallest roller diameter.
  • the present invention also relates to a rolling train comprising the edging roll stand according to the invention.
  • the at least one middle roller or the transfer roller table can be arranged symmetrically or asymmetrically in relation to a middle axial line of the rolling train.
  • FIG 1 an embodiment variant of the transfer roller table 1 according to the invention is shown in a perspective representation, which is usually used in an edging roll stand 2 (please refer 4 ) is arranged between two upsetting rollers 3, 4 and is provided for transporting a metal product to be upset, such as a rolled product 5.
  • the transfer roller table 1 enables the transport of both short and long metallic products 5 and an acceleration of these through the edging roll stand 2.
  • the entire transfer roller table 1 has a modular structure and is essentially formed by a housing frame 6, which has a transfer table 7 and, in this case, two modular Includes roller units 8, 9, whose central rollers 10, 11 each extend through a recess 12, 13 of the transfer table 7 therethrough.
  • each of the center rollers 10, 11 has the same diameter and the same barrel length.
  • FIG figure 3 A perspective view of the modular roller unit 8 is shown in FIG figure 3 shown. This includes, on the one hand, the center roller 10, a drive motor 14 with a speed sensor 15, the drive motor 14 being a radial piston motor, and a bearing housing 16.
  • the transfer roller table 1 is shown in a sectional view according to the section AA, from which the internal structure of the modular roller unit 8, 9 results in particular.
  • stationary components are shown with solid lines and rotating components with dashed lines.
  • the central roller 10 is designed as a hollow roller and is arranged coaxially around a bearing sleeve 17 which is connected to the housing frame 6 in a stationary manner.
  • a roller bearing 18 in particular a self-aligning roller bearing, is arranged between the bearing sleeve 17 and the central roller 10 embodied as a hollow roller, via which the central roller 10 is rotatably mounted on the bearing sleeve 17 .
  • the center roller 10 is non-rotatably connected to a shaft 19 via a radially extending connecting element 20 , which in the present case is designed in the form of a flange-like disk-shaped body and forms part of the shaft 19 .
  • the shaft 19 is rotatably mounted at its end facing away from the drive motor 14 in the bearing housing 16 of the modular roller unit 8 via a roller bearing 21 also designed as a self-aligning roller bearing.
  • the shaft 19 can be positively and/or non-positively connected to a drive shaft 23 via a coupling 22 in order to be able to transmit torque from the drive motor 14 to the shaft 19 or the center roller 10.
  • the drive shaft 23 is designed as a separate component and is connected to the drive motor 14 in a torque-proof manner.
  • the shaft 19 and the drive shaft 23 extend along a common (rotational) axis (A) through the bearing sleeve 17 and the central roller 10, which is designed as a hollow roller.
  • the shaft 19 and the drive shaft 23 are at least partially arranged inside the central roller 10 designed as a hollow roller.
  • figure 4 shows the edging roll stand 2 according to the invention in a plan view.
  • the transfer table 1 In the middle is the transfer table 1 with the center rollers 10, 11 for transporting a metal product 5 to be upset in a transport direction T minimum distance d can be moved together.
  • the center rollers 10, 11 arranged between the edging rollers 3, 4 then serve to support and convey the metallic product (see figure 5 ) during its transport through the edging roll stand 2.
  • the transfer roller table 1 arranged between the two edging rolls 3, 4 is at most as wide as the minimum distance d at which the two edging rolls 3, 4 can be moved together.
  • the present edging roll stand 2 comprises an inlet stand roller 24 arranged in the transport direction T in front of the transfer roller table 1 and an outlet stand roller 25 arranged in the transport direction T behind the transfer roller table 1.
  • FIG 5 an embodiment of a rolling train 26 according to the invention is also shown in a side view, which has the edging roll stand 2 with the transfer roller table 1 arranged between the two edging rolls 3, 4 and a rolling stand 27 arranged in the transport direction T in front of the edging roll stand 2.
  • a media feed 28 and a control device 29 for the transfer roller table 1 are also shown purely as an example.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Claims (15)

  1. Table de transmission (1) du type à rouleaux pour une cage de laminoir (2) du type à cylindres verticaux, qui présente une table de transmission (7), au moins un rouleau médian (10, 11) ainsi qu'un moteur d'entraînement (14) par l'intermédiaire duquel ledit au moins un rouleau médian (10, 11) peut être entraîné en rotation ; dans laquelle ledit au moins un rouleau médian (10, 11) de même que le moteur d'entraînement (14) sont réalisés sous la forme d'une unité modulaire de rouleaux (8, 9), caractérisée en ce que ledit au moins un rouleau médian (10) est réalisé sous la forme d'un rouleau creux et le moteur d'entraînement (14) est disposé, au moins en partie, à l'intérieur du rouleau médian (10, 11) qui est réalisé sous la forme d'un rouleau creux.
  2. Table de transmission (1) du type à rouleaux selon la revendication 1, dans laquelle ledit au moins un rouleau médian (10, 11) est relié en antirotation à un arbre (19) qui est monté en rotation dans un logement de palier (16) de l'unité modulaire de rouleaux (8, 9).
  3. Table de transmission (1) du type à rouleaux selon la revendication 1, dans laquelle l'arbre (19) présente un élément de liaison (20) qui s'étend dans la direction radiale à partir de l'arbre (19), par l'intermédiaire duquel l'arbre (19) est relié en antirotation au rouleau médian (10, 11).
  4. Table de transmission (1) du type à rouleaux selon la revendication 2 ou 3, dans laquelle l'arbre (19) est monté en rotation par l'intermédiaire d'un palier à rouleaux (21) qui est disposé dans le logement de palier (16).
  5. Table de transmission (1) du type à rouleaux selon l'une quelconque des revendications précédentes 2 à 4, dans laquelle l'arbre (19) peut être relié, à l'intervention d'un accouplement (22), à un arbre d'entraînement (23) par adhérence et/ou par complémentarité de forme ; dans laquelle l'arbre d'entraînement (23) est de préférence relié en antirotation au moteur d'entraînement (14) qui est monté dans l'unité modulaire de rouleaux (8, 9).
  6. Table de transmission (1) du type à rouleaux selon la revendication 5, dans laquelle l'arbre (19), à son extrémité opposée dans la direction axiale à l'accouplement (22) et/ou au moteur d'entraînement (14), est monté en rotation par l'intermédiaire du palier à rouleaux (21) qui est monté dans le logement de palier (16).
  7. Table de transmission (1) du type à rouleaux selon la revendication 6 ou 7, dans laquelle l'arbre (19) et l'arbre d'entraînement (23) s'étendent, le long d'un axe commun (A), à travers le rouleau médian (10, 11) qui est réalisé sous la forme d'un rouleau creux.
  8. Table de transmission (1) du type à rouleaux selon l'une quelconque des revendications précédentes, qui comprend en outre un manchon de palier (17) comprenant au moins un palier à rouleaux (18) monté du côté externe, par l'intermédiaire duquel ledit au moins un rouleau médian (10, 11) qui est réalisé sous la forme d'un rouleau creux est monté en rotation.
  9. Table de transmission (1) du type à rouleaux selon l'une quelconque des revendications précédentes, dans laquelle l'unité modulaire de rouleaux (8, 9), de préférence le moteur d'entraînement (14), comprend un premier élément (15) faisant office de capteur, par l'intermédiaire duquel on peut surveiller la vitesse de rotation du rouleau médian (10, 11), et comprend, le cas échéant, un deuxième élément faisant office de capteur, par l'intermédiaire duquel on peut surveiller l'usure du rouleau médian (10, 11).
  10. Table de transmission (1) du type à rouleaux selon l'une quelconque des revendications précédentes, dans laquelle celle-ci présente au moins deux unités modulaires de rouleaux (8, 9) et dans laquelle lesdites au moins deux unités modulaires de rouleaux (8, 9) sont mises à distance l'une de l'autre dans la direction de transport (T) d'une manière telle que l'on obtient, pour la distance (axiale) AR1 entre lesdits au moins deux rouleau médians (10, 11), l'équation suivante à savoir : AR 1 ≤ LW − LA / NM ,
    Figure imgb0005
     dans laquelle
    NM représente le nombre de rouleaux médians (10, 11) impliqués de manière active dans le transport ;
    LW représente la longueur la plus courte d'un produit métallique (5) ;
    LA représente une partie sur la longueur du produit métallique (5) et LA prend des valeurs qui sont situées entre 0,1 et 400,0 mm, de préférence entre 50,0 et 300,0 mm, de manière plus préférée entre 100,0 et 200,0 mm ; et NM représente des valeurs de 2 à 5.
  11. Table de transmission (1) du type à rouleaux selon l'une quelconque des revendications précédentes, dans laquelle le moteur d'entraînement (14) est réalisé sous la forme d'un entraînement électrique, hydraulique et/ou pneumatique, et représente de préférence un moteur du type à pistons radiaux.
  12. Cage de laminoir (2) du type à cylindres verticaux destinée à un laminage de produits métalliques (5) par refoulement, en particulier d'un produit de laminage, qui présente deux cylindres verticaux (3, 4) aptes à se déplacer l'un vers l'autre, qui peuvent se déplacer dans une direction transversale par rapport à la direction de transport (T) sur une distance minimale (d), ainsi qu'une table de transmission (1) du type à rouleaux selon l'une quelconque des revendications précédentes, qui est montée entre les deux cylindres verticaux (3, 4).
  13. Cage de laminoir (2) du type à cylindres verticaux selon la revendication 12, qui comprend en outre au moins un premier rouleau (24), en particulier un rouleau d'entrée dans la cage (24) qui est monté dans la direction de transport (T) à l'avant de la table de transmission (1) du type à rouleaux et, le cas échéant, au moins un deuxième rouleau (24), en particulier un rouleau de sortie dans la cage (25), qui est monté, dans la direction de transport (T) à l'arrière de la table de transmission (1) du type à rouleaux, pour le transport d'un produit métallique (5) à travers la cage de laminoir (2) du type à cylindres verticaux.
  14. Cage de laminoir (2) du type à cylindres verticaux selon la revendication 12 ou 13, dans laquelle ledit au moins un rouleau médian (10, 11) de ladite au moins une unité modulaire de rouleaux (8, 9) est mise à une distance, dans la direction de transport (T), dudit au moins un premier rouleau (24) monté directement devant et/ou dudit au moins un deuxième rouleau (25) monté directement derrière, telle que l'on obtient, pour la distance (axiale) AR2 entre ces derniers, l'équation suivante, à savoir : AR 2 ≤ LW − LA / N ,
    Figure imgb0006
     dans laquelle
    N représente le nombre de rouleaux médians (24, 25) impliqués de manière active dans le transport ;
    LW représente la longueur la plus courte d'un produit métallique (5) ;
    LA représente une partie sur la longueur du produit métallique (5) et LA prend des valeurs qui sont situées entre 0,1 et 400,0 mm, de préférence entre 50,0 et 300,0 mm, de manière plus préférée entre 100,0 et 200,0 mm ; et N > 2.
  15. Train de laminoir (26) qui comprend une cage de laminoir (2) du type à cylindres verticaux selon l'une quelconque des revendications précédentes 12 à 14.
EP21203403.7A 2020-10-19 2021-10-19 Table de transfert à rouleaux et cadre de cylindre d'écrasement Active EP3984662B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020213173 2020-10-19
DE102021211742.2A DE102021211742A1 (de) 2020-10-19 2021-10-18 Überleitrollentisch und Stauchwalzgerüst

Publications (2)

Publication Number Publication Date
EP3984662A1 EP3984662A1 (fr) 2022-04-20
EP3984662B1 true EP3984662B1 (fr) 2023-03-08

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6138706A (ja) * 1984-07-31 1986-02-24 Mitsubishi Heavy Ind Ltd 圧延板材のエツジヤミル
JP3302532B2 (ja) * 1995-06-23 2002-07-15 株式会社日立製作所 ホットストリップ圧延設備の粗圧延機および圧延方法
GB2516043A (en) 2013-07-09 2015-01-14 Siemens Vai Metals Tech Gmbh A rolling mill edger
DE102020203748A1 (de) * 2019-04-03 2020-10-08 Sms Group Gmbh Stauchvorrichtung für ein Metallband und Verfahren zu deren Betrieb
DE102019217353A1 (de) 2019-11-11 2021-05-12 Sms Group Gmbh Stauchwalzgerüst

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