EP2937158B1 - Laminoir à cylindres annulaires - Google Patents

Laminoir à cylindres annulaires Download PDF

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Publication number
EP2937158B1
EP2937158B1 EP15162853.4A EP15162853A EP2937158B1 EP 2937158 B1 EP2937158 B1 EP 2937158B1 EP 15162853 A EP15162853 A EP 15162853A EP 2937158 B1 EP2937158 B1 EP 2937158B1
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EP
European Patent Office
Prior art keywords
radial
ring rolling
rolling machine
axial
drive
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.)
Active
Application number
EP15162853.4A
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German (de)
English (en)
Other versions
EP2937158A1 (fr
Inventor
Ralf Bolik
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
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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.)
Filing date
Publication date
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP2937158A1 publication Critical patent/EP2937158A1/fr
Application granted granted Critical
Publication of EP2937158B1 publication Critical patent/EP2937158B1/fr
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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • 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
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
    • B21J9/14—Drives for forging presses operated by hydraulic or liquid pressure in conjunction with electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal
    • B21C23/211—Press driving devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning

Definitions

  • the invention relates to a ring rolling machine according to the preamble of independent claims 1 and 4, respectively.
  • Such ring rolling machines are sufficiently from the prior art, for example from DE 25 04 969 A1 , from the DE 38 24 856 A1 , from the EP 2 444 176 B1 or from the DE 39 21 094 A1 , known.
  • the ring rolling machines regularly include a radial drive which is operatively connected to a roller shaft of a radial roller acting in the radial direction, and at least one axial drive which is operatively connected to a roller shaft of an axial rolling roller acting in the axial direction.
  • the axial rollers usually to form a workpiece to be rolled axially, i.e. in a direction parallel to the axis of rotation or axis of symmetry of the annular workpiece, while at the same time or one after the other for this purpose via the radial roller, the ring radially to the axis of rotation or axis of symmetry of the workpiece or is transformed to the vertical axis of which.
  • a rolling mandrel also works together with the radial roller.
  • the rolling rollers with their associated roller shafts are usually set in motion or controlled in a rotary manner via appropriate radial drives or axial drives.
  • such forming machines also include linear axes that are usually hydraulic, such as in the DE 39 21094 A1 are disclosed, regulated and which are used, for example, to adjust these roles to one another.
  • other assemblies such as an inlet guide, the rolling mandrel or other, can also be controlled in a correspondingly hydraulically controlled manner via corresponding linear axes.
  • Hydrostatic drives disclosed the EP 2 444 176 B1 which, however, are very complex Supply lines required. On the other hand, they reveal DE 39 21 094 A1 and the DE 38 24 856 A1 electromechanical jobs.
  • the object of the present invention is to provide a ring rolling machine which nevertheless works precisely with a simple mechanical structure.
  • the invention is based on the basic knowledge that, in ring rolling machines, a simple mechanical structure that nevertheless works precisely can be guaranteed by the fact that the hydraulically controlled linear axes or the drives of the roller shafts for the rolling rollers can be driven or controlled by direct drives.
  • the direct drives simplify the mechanical structure in particular to the extent that hydraulic control lines, which in particular have to be routed to movable assemblies with considerable effort, can be dispensed with, control oil systems and corresponding servo valves. There is also no need for complex gears. Instead, a system of servo pumps or servomotors can be used as a drive thanks to the direct drives.
  • a ring rolling machine comprising at least one hydraulically controlled linear axis can be characterized in that the hydraulically controlled linear axis is driven via an electro-hydrostatic actuator.
  • a ring rolling machine is provided which has a simple mechanical structure and yet works precisely.
  • the electro-hydrostatic actuator also called electro-hydrostatic direct drive, is usually characterized in that electrical energy is converted into a corresponding mechanical linear movement within a housing.
  • electro-hydrostatic direct drive is usually characterized in that electrical energy is converted into a corresponding mechanical linear movement within a housing.
  • the ring rolling machine preferably has at least one further hydraulically controlled linear axis which is driven via an electro-hydrostatic actuator or via a drive other than an electro-hydrostatic actuator.
  • the above-mentioned advantages already result if only one of the hydraulically controlled linear axes is driven via an electro-hydrostatic actuator, while the remaining hydraulically controlled linear axes can still be driven conventionally. This applies in particular when the hydraulically controlled linear axis driven by the electro-hydrostatic actuator has to be driven at a very remote location or on a moving assembly of the ring rolling machine.
  • the advantages are multiplied accordingly if several or all of the hydraulically controlled linear axes of the drives are arranged on an assembly, in particular a moving assembly, and are driven via an electro-hydrostatic actuator. It goes without saying that all hydraulically controlled linear axes can accordingly also be driven via an electro-hydrostatic actuator, which accordingly maximizes the advantages.
  • a ring rolling machine comprising at least one radial drive, which is operatively connected to a roller shaft of a radial roller acting in the radial direction, and at least one axial drive, which is operatively connected to a roller shaft of an axial rolling roller acting in the axial direction
  • the radial drive and / or the axial drive comprises a torque motor as a motor with high torque, which is operatively connected to the associated roller shaft without a gearbox in order to nevertheless work precisely with a simple mechanical structure.
  • a motor with high torque is in particular a motor that is able to replace the usual motor-gearbox combinations, so that the use of a gearbox is superfluous.
  • a motor with high torque can be a slow-running motor with high torque, with the aim of eliminating gears.
  • the respective radial and / or axial drives can also be referred to as direct drives.
  • torque motors which are designed in particular as multi-pole direct drives from the group of low-speed runners and can deliver a very high torque at relatively low speeds, a sufficiently high torque can nevertheless be applied with simple mechanical engineering effort, in particular without a gearbox, to ensure precise work of the rollers driven by the torque motor.
  • all driven radial and axial rollers can be driven by means of appropriate torque motors.
  • the radial roller can comprise two coaxially arranged and optionally also integrally formed roller shafts, of which a first of the two roller shafts points upwards and a second of the two roller shafts downwards and on each of which a radial drive is provided.
  • This makes it possible in particular to apply a correspondingly higher torque. Cumulatively or alternatively, this also ensures a lower moment load on the roller shafts, both in the radial direction and in the circumferential direction of the roller shafts.
  • Radial rolling machines comprising at least one radial drive, which is operatively connected to a roller shaft of a radial roller acting in the radial direction, and at least one axial drive, which is operatively connected to a roller shaft of an axial rolling roller acting in the axial direction, are accordingly advantageous.
  • the ring rolling machine has several radial drives and / or several axial drives, and at least one of the radial and axial drives comprises a drive other than a torque motor, which is operatively connected to the associated roller shaft without a gearbox.
  • a torque motor which is operatively connected to the associated roller shaft without a gearbox.
  • all radial drives and / or all axial drives, in particular all radial and axial drives, of the ring rolling machine can include a torque motor that has no gear is operatively connected to the associated roller shaft in order to be able to implement a maximum of the advantages explained above.
  • the ring rolling machine 4 shown in the figure, designed as a forming machine 1, comprises a plurality of hydraulically controlled linear axes 2, which are each controlled via electro-hydrostatic actuators 3, as well as radial drives 5, 6 and axial drives 7, 8, each of which via roller shafts 9 of corresponding radial rollers 10 and Drive axial rollers 11, 12.
  • the ring rolling machine 4 comprises a radial rolling stand 15 on which a mandrel lifting device 16 is radially displaceable via an upper pulling frame 17, the mandrel lifting device 16 in turn being able to axially displace the mandrel, which is not shown for the sake of clarity.
  • a lower pulling frame 18 is also provided for further assemblies.
  • the ring rolling machine 4 shown in the figure also has an inlet-side centering 19 as well as a radially displaceable axial rolling stand 14 which carries the two axial rolling rollers 11 and 12 and carries an axially displaceable slide 20, by means of which the upper axial rolling roller 11 of the two axial rolling rollers 11, 12 can be employed axially.
  • all of these movement possibilities are controlled via hydraulically controlled linear axes 2 by means of electro-hydrostatic actuators 3.
  • the forming machine 1 therefore relies on direct drives and thereby ensures a simple mechanical construction without the precision suffering as a result.
  • Hydraulic oil tanks 22 for the associated electro-hydrostatic actuators 3 are only numbered by way of example. These oil tanks 22 are preferably arranged on stationary assemblies with respect to the electro-hydrostatic actuators 3 to which they each supply the oil, so that here too on movable hydraulic lines can be dispensed with. The oil tanks 22 are preferably integrated into the electro-hydrostatic actuators 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Rolling Contact Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Forging (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Claims (7)

  1. Laminoir à cylindres annulaires (4) comprenant au moins un axe linéaire à réglage hydraulique (2), caractérisé en ce que l'axe linéaire à réglage hydraulique (2) est entraîné par un actionneur électro-hydrostatique (3).
  2. Laminoir à cylindres annulaires (4) selon la revendication 1, caractérisé en ce que le laminoir à cylindres annulaires (4) comporte au moins un autre axe linéaire à réglage hydraulique (2), qui est entraîné par un actionneur électro-hydrostatique (3) ou par un autre entraînement qu'un actionneur électro-hydrostatique.
  3. Laminoir à cylindres annulaires (4) selon la revendication 2, caractérisé en ce que tous les axes linéaires à réglage hydraulique (2) du laminoir à cylindres annulaires (4) sont respectivement entraînés par un actionneur électro-hydrostatique (3).
  4. Laminoir à cylindres annulaires (4) comprenant au moins un entraînement radial (5, 6), qui est en liaison fonctionnelle avec un arbre de laminage(9) d'un rouleau de laminage radial (10) agissant en direction radiale et au moins un entraînement axial (7, 8), qui est en liaison fonctionnelle avec un arbre de laminage (9) d'un rouleau de laminage axial (11, 12) agissant en direction axiale, caractérisé en ce que l'entraînement radial (5, 6) et/ou l'entraînement axial (7, 8) comprennent un moteur couple en tant que moteur avec un couple élevé, qui est relié de façon fonctionnelle sans transmission à l'arbre de laminage correspondant (9).
  5. Laminoir à cylindres annulaires (4) selon la revendication 4, caractérisé en ce que le rouleau de laminage radial (10) comprend deux arbres de cylindre (9) disposés coaxialement et constitués également le cas échéant en une pièce, dont un premier des deux arbres de cylindre (9) est dirigé vers le haut et un deuxième des deux arbres de cylindre (9) vers le bas et sur lesquels est respectivement prévu un entraînement radial (5, 6).
  6. Laminoir à cylindres annulaires (4) selon la revendication 4 ou 5, caractérisé en ce que le laminoir à cylindres annulaires (4) comporte plusieurs entraînements radiaux (5, 6) et/ou plusieurs entraînements axiaux (7, 8) et au moins un des entraînements radiaux et axiaux (5, 6, 7, 8) comprend un autre entraînement qu'un moteur couple, qui est relié de façon fonctionnelle sans transmission à l'arbre de laminage correspondant (9).
  7. Laminoir à cylindres annulaires (4) selon la revendication 4 à 5, caractérisé en ce que tous les entraînements radiaux (5, 6) et/ou tous les entraînements axiaux (7, 8) comprennent un moteur couple, qui est en liaison fonctionnelle avec l'arbre de laminage correspondant (9).
EP15162853.4A 2014-04-11 2015-04-08 Laminoir à cylindres annulaires Active EP2937158B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014005332.6A DE102014005332A1 (de) 2014-04-11 2014-04-11 Umformmaschine, insbesondere Ringwalzmaschine

Publications (2)

Publication Number Publication Date
EP2937158A1 EP2937158A1 (fr) 2015-10-28
EP2937158B1 true EP2937158B1 (fr) 2021-06-09

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EP15162853.4A Active EP2937158B1 (fr) 2014-04-11 2015-04-08 Laminoir à cylindres annulaires

Country Status (7)

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US (1) US10507502B2 (fr)
EP (1) EP2937158B1 (fr)
JP (1) JP6206779B2 (fr)
KR (2) KR20150118050A (fr)
CN (1) CN104972026B (fr)
DE (1) DE102014005332A1 (fr)
ES (1) ES2881546T3 (fr)

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CN110434260B (zh) * 2019-07-10 2020-10-20 苏州市东盛锻造有限公司 一种碾环机系统及阀盖碾环成型方法
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Publication number Publication date
US10507502B2 (en) 2019-12-17
KR101830027B1 (ko) 2018-02-19
KR20150118050A (ko) 2015-10-21
ES2881546T3 (es) 2021-11-29
CN104972026A (zh) 2015-10-14
KR20170018375A (ko) 2017-02-17
US20150290689A1 (en) 2015-10-15
JP2015202521A (ja) 2015-11-16
DE102014005332A1 (de) 2015-10-15
CN104972026B (zh) 2020-11-06
EP2937158A1 (fr) 2015-10-28
JP6206779B2 (ja) 2017-10-04

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