EP3911457B1 - Reversing reel and method for operating a reversing reel - Google Patents

Reversing reel and method for operating a reversing reel Download PDF

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Publication number
EP3911457B1
EP3911457B1 EP20700790.7A EP20700790A EP3911457B1 EP 3911457 B1 EP3911457 B1 EP 3911457B1 EP 20700790 A EP20700790 A EP 20700790A EP 3911457 B1 EP3911457 B1 EP 3911457B1
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EP
European Patent Office
Prior art keywords
mandrel
coiler
winding
mandrel support
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.)
Active
Application number
EP20700790.7A
Other languages
German (de)
French (fr)
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EP3911457A1 (en
Inventor
Dirk TÄUBER
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
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Filing date
Publication date
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Publication of EP3911457A1 publication Critical patent/EP3911457A1/en
Application granted granted Critical
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Classifications

    • 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
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • 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
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/02—Winding-up or coiling
    • 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
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/24—Transferring coils to or from winding apparatus or to or from operative position therein; Preventing uncoiling during transfer
    • B21C47/245—Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/02—Supporting web roll
    • B65H18/021—Multiple web roll supports
    • B65H18/0212—Turrets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/02—Supporting web roll
    • B65H18/028—Both ends type
    • 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
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/006—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only winding-up or winding-off several parallel metal bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4134—Both ends type arrangement
    • B65H2301/41342—Both ends type arrangement shaft transversing the roll
    • B65H2301/41344—Both ends type arrangement shaft transversing the roll the roll being fixed to the shaft (e.g. by clamping)

Definitions

  • the invention relates to a turning coiler with a rotor on which at least one coiler mandrel provided with a rotary drive for winding strip into a coil is arranged eccentrically to an axis of rotation of the rotor, with at least one driven mandrel support device, comprising a mandrel support, which has a bearing head to support the has the free end of at least one coiler mandrel.
  • the invention also relates to a method for winding strips, in particular metal strips, into a coil, in particular using the turning coiler according to the invention.
  • a rolled metal strip can be wound onto a coiler mandrel or onto a winding sleeve placed onto the coiler mandrel and later unwound again.
  • turning coilers are used which have at least two coiler mandrels and in which the positions of the coiler mandrels are changed during a coiling process.
  • Each coiler mandrel is driven and mounted on a rotor.
  • the rotor of the reel is turned in such a way that an empty reel mandrel is positioned in a winding position. In this position, the tape is then wound onto the coiler mandrel.
  • starting winding is usually understood to mean that initially one to three turns of the strip are wound onto the coiler mandrel. After the initial winding, a tensile stress (tape tension) is built up in the tape for further winding. During further winding, the coiler mandrel rotated from the wrapping position to a finished wrapping position. There the strip is finished being wound into a coil or bundle. After completion, the coil can be removed from the finished winding position and transported on.
  • the reel mandrels are one-sided, i. H. fixed at one end on the drive side.
  • a support device for a turning coiler for coiling a metal strip which has at least one support unit that can be brought into supporting contact with a free end portion of a coiler mandrel.
  • the support unit is guided on a rail which is arranged in front of the coiler and which follows the circular path of the coiler mandrel with its own drive.
  • the guide rail in front of the reel builds the operator-side area in front of the reel.
  • the complete design is relatively heavy and complex.
  • the winding machine for winding up a material web divided into strips by longitudinal cuts, in particular a paper web, plastic or metal foil.
  • the winding machine comprises two winding shafts which extend transversely across the width of the machine and which are mounted in a pivotable turning device on one side of the machine for moving from a winding position to an unloading position and back.
  • a support device On the side of the machine opposite to the turning device, a support device is arranged with a support element which can be moved vertically by means of a drive and the end of which supports a winding shaft on the way from the winding position to the unloading position.
  • the support element is as designed motor-driven extendable support, which is mounted as a rocker in a swivel joint.
  • the support element can thus be pivoted from a winding position into an unloading position, with the pivoting taking place by means of an actuator, so that the pivoting movement describes a circular path which corresponds to the circular path of the turning device.
  • an actuator for a winding process during the movement of the turning device under tape tension. Rather, it is provided to carry out the winding process in the winding position and then to rotate the winding roll in question into the unloading position.
  • the invention is therefore based on the object of further developing a known turning coiler such that the deflection of the free end of the coiler mandrel is reliably reduced during the entire winding process.
  • the invention is also based on the object of providing a corresponding method.
  • a turning coiler is provided with a rotor on which at least one coiler mandrel provided with a rotary drive for winding strip into a coil is arranged eccentrically to an axis of rotation of the rotor, with at least one driven mandrel support device, comprising a mandrel support, which has a bearing head for supporting a free end of the at least one coiler mandrel, wherein the bearing head can be moved with the coiler mandrel in accordance with a variable position of the coiler mandrel when the coiler mandrel is transferred from a pre-winding position to a finish-winding position, wherein the mandrel support is designed as a first piston-cylinder arrangement and the mandrel support is supported pivotably via a mandrel support bearing on a carriage that can be moved tangentially to a circular path of the coiler mandrel, and the inclination of the mandrel support and the position of the bearing head are adjustable so that the
  • the position of the bearing head can preferably be adjusted radially in relation to the axis of rotation of the rotor.
  • a mandrel support device is provided with an accompanying mandrel support bearing, which supports the free end of the coiler mandrel in a winding-on position and during the transfer of the coiler mandrel from the initial winding position to the finish-winding position, with the bearing head of the mandrel support device moving both during the Winding as well as at times during the finish winding with the free end of the coiler mandrel engaged can be located in such a way that in a relatively simple manner the mandrel support not only counteracts the increasing weight but also the tensile force of the belt.
  • the mandrel support bearing can be adjusted in such a way that a setting can be selected for each combination of strip tension and bundle weight, even during the winding process, which enables the coiler mandrel to be supported accordingly.
  • the mandrel support is adjusted during operation of the turning coiler in such a way that the deflection of the coiler mandrel can be optimally influenced.
  • the coiler mandrel is always supported, even during circulation, for example in the direction of the force resulting from the strip tension and the weight of the bundle or coil. This has the particular advantage that no tilting moments are transferred to the system that would have to be additionally absorbed.
  • “Following” in the context of the invention means that the mandrel support follows the circular movement of the coiler mandrel and the coil wound on it during the rotation of the rotor.
  • the turning coiler according to the invention additionally comprises a stationary external bearing, which is pivoted against the coiler mandrel in the finish winding position.
  • Both the bearing head of the mandrel support device and a correspondingly designed bearing head of a stationary external bearing are designed in such a way that they can each act on a different circumferential section of the coiler mandrel over the same length of the coiler mandrel. This makes it possible to bring the coiler mandrel into engagement with the stationary outer bearing in the finish winding position and then to move the mandrel support device back into the starting position.
  • the turning coiler according to the invention preferably comprises two coiler mandrels which are rotatably mounted on one side of the rotor and are arranged diametrically opposite one another.
  • the inclination of the mandrel support can preferably be adjusted by means of an adjusting device fastened to the carriage.
  • the slide In combination with the mandrel support, which can be adjusted in inclination and length, the slide can be used to adjust the inclination particularly easily by superimposing a rotational movement and a linear movement.
  • a second piston-cylinder arrangement is preferably provided as the adjusting device for the adjustability of the inclination of the mandrel support.
  • Both the first and the second piston-cylinder arrangement is preferably designed as a hydraulic cylinder, the force of which can be regulated relatively easily and finely.
  • Both piston-cylinder assemblies can be provided with sensors for measuring the force as well as sensors for recording the displacement.
  • the inclination of the mandrel support can be adjusted by means of a hydraulic or electric rotary drive.
  • the carriage can preferably be displaced tangentially to the axis of rotation of the rotor via a third piston-cylinder arrangement.
  • the carriage When the turning reel according to the invention is set up on a level surface, the carriage can be moved or shifted horizontally with respect to the set-up level.
  • the carriage can be adjustable, for example, on a rack by means of a rack and pinion.
  • a controller is expediently provided, with which the mandrel support device is controlled in such a way that the mandrel support follows a circular path of the mandrel at least over a partial circle section during the winding process.
  • the object on which the invention is based is also achieved by a method for winding up strips, in particular metal strips a coil or bundle, by means of a turning coiler with a rotor on which at least one coiler mandrel provided with a rotary drive for winding up strip is arranged eccentrically to an axis of rotation of the rotor, with at least one driven mandrel support device, comprising a mandrel support, which has a bearing head for supporting a free end of the at least one coiler mandrel, the method having the following steps: turning the rotor to transfer the initially empty coiler mandrel into a winding position, underpinning a free end of the coiler mandrel with the bearing head of the mandrel support, lifting the free end of the coiler mandrel with the mandrel support, winding the strip in the winding position, rotating the rotor to transfer the coiler mandrel the coil into a finish winding position, with the mandrel support being tracked during
  • the inclination of the mandrel support is expediently adjusted during the rotation of the rotor from the initial winding position to the final winding position.
  • the tracking movement of the mandrel support is preferably carried out at least partially by superimposing a linear movement of the mandrel support device with a pivoting movement of the mandrel support. If the first, second and third piston-cylinder arrangement of the turning reel according to the invention are each provided with displacement sensors, the cylinders can be controlled so that they follow the circular path of the reel mandrel.
  • the free end of the coiler mandrel is supported depending on the weight of the coil and/or the strip tension.
  • the load absorption of the mandrel support can be measured in engagement with the free end of the coiler mandrel, the supporting force of the mandrel support being regulated in such a way that its lowering caused by weight and strip tension is compensated.
  • the first piston-cylinder arrangement is preferably force-controlled, so that the free end of the coiler mandrel is always raised with the optimum supporting force.
  • the inclination of the first piston-cylinder arrangement can be detected by means of displacement measurement in the cylinder or direct angle measurement.
  • the inclination adjustment of the first piston-cylinder arrangement can be controlled as a function of a force acting at an angle to the supporting force of the mandrel support. If the mandrel support is only loaded in its longitudinal direction, no lateral force and therefore no moment acts on the mandrel support.
  • the regulation can provide that the inclination of the mandrel support is adjusted in such a way that the force acting on it at an angle to the direction of support is minimal.
  • the position and inclination of the mandrel support can be regulated predominantly as force regulation.
  • the target inclination and the target position of the mandrel support can be specified by a rotary encoder on the rotor.
  • the regulations can take place depending on the position of the coiler mandrel.
  • the supporting force acting on the mandrel support is used as an input variable of an actuator in a control loop.
  • the supporting force acting on the mandrel support can be used as an input variable for an actuator in a control loop which is used to control the flatness of the strip.
  • the figure 1 shows a turning reel 1 in a highly simplified and schematic representation.
  • the turning reel comprises a rotor 2 which can be designed, for example, as a rotating disc on which two reel mandrels 3 are fastened eccentrically to an axis of rotation D of the rotor 2.
  • the two coiler mandrels 3 extend perpendicular to the plane of the rotor 2 and are each driven to rotate.
  • the turning reel 1 comprises a mandrel support device 4 with a mandrel support 5, at the free end of which a fork-shaped bearing head 6 is located.
  • the mandrel support 5 is part of a first piston-cylinder assembly 7 which is longitudinally adjustable hydraulically.
  • the lower coiler mandrel 3 In the position of the rotor 2 shown, the lower coiler mandrel 3 is in the initial winding position A and the upper coiler mandrel 3 is shown in the finish winding position F.
  • the reel mandrel 3 located in the initial winding position A is empty.
  • the supported position of the coiler mandrel 3' in operation is shown in the drawing as an intermediate position Z from a start-up position A to the finish-winding position F.
  • the coil 8' shown in the intermediate position Z has already been wound.
  • the coiler mandrel 3 located in the finished winding position F is equipped with a finished coil 8, the coil 8 in the finished winding position F being indicated as a dashed line.
  • the intermediate position Z shows any position of the coiler mandrel 3 with an arbitrarily wound strip 9 during its transfer from the initial winding position A to the final winding position F.
  • the intermediate position Z is not a discrete position of the rotor 2.
  • the inclination of the mandrel support 5 can be adjusted by means of a second piston-cylinder arrangement 10 .
  • the mandrel support 5 is mounted via a mandrel support bearing 11 on a carriage 13 which can be moved horizontally and on a flat support 12 .
  • the carriage 13 is in turn driven or moved by means of a third piston-cylinder arrangement 14 .
  • the coiler mandrel 3 In the winding position A, the coiler mandrel 3 is first raised, then the strip 9 is wound onto the coiler mandrel 3. After about one to three windings, the rotary movement of the rotor 2 is started. The rotor 2 rotates the operating coiler mandrel 3 while it continues to wind the strip 9 into the finish winding position F. In the finish coiling position F, a stationary external bearing is pivoted against the coiler mandrel 3 so that it grips the coiler mandrel 3 below. The stationary external camp is not shown in the drawings.
  • the bearing head 6 of the mandrel support 5 is fork-shaped and reaches under the coiler mandrel only on a partial circle section of its circumference.
  • a bearing head of the stationary external bearing is designed accordingly and also reaches under the coiler mandrel 3 only on a pitch circle circumference, such that initially in the finish winding position F the coiler mandrel 3 reaches under it over the same length section both by the bearing head of the stationary external bearing and by the bearing head 6 of the mandrel support 5 will.
  • the bearing head 6 of the mandrel support 5 is disengaged from the coiler mandrel 3 so that the mandrel support device can be returned to its starting position.
  • the first, second and third piston-cylinder assemblies 7, 10 and 13 are each provided with force and/or displacement sensors.
  • the first piston-cylinder arrangement 7 can be provided with an angle gauge/inclinometer/inclination sensor.
  • the mandrel support 5, which is already brought into engagement with the free end of the coiler mandrel 3 in the initial winding position A, is driven or followed by a corresponding rotation of the rotor 2 with the support of the coiler mandrel 3 in operation.
  • the mandrel support 5 already raises the empty coiler mandrel 3 in the initial winding position A in such a way that an undesirable deflection or bending is compensated.
  • the inclination and the position of the mandrel support 5 are specified as desired values by a rotary encoder (not shown) on the rotor 2 .
  • a rotary encoder (not shown) on the rotor 2 .
  • the desired inclination and the desired position of the mandrel support 5 can be specified by measuring the flatness of the strip 9 .
  • the corresponding target position and target inclination of the mandrel support 5 is approached via a controller.
  • the angle of inclination of the mandrel support 5 can be detected, for example, by measuring the displacement in the cylinder of the first piston-cylinder assembly 7 or by an angle measuring device.
  • a pure position control for the first, second and third piston-cylinder arrangement 7, 10, 14 can be provided.
  • the forces of all cylinders can be recorded using force sensors and compared with the calculated or specified forces.
  • the inclination of the mandrel support 5 is adjusted during operation of the supported holding mandrel 3 in such a way that the angle between the mandrel support 3 in question and a vertical largely corresponds to the angle between a resulting force R from a strip tensile force BZ and the weight G of the coil 8, 8′ .
  • a graphical breakdown of forces The resulting force R from the strip tensile force BZ and the weight G of the coil 8.8' is in figure 2 shown.
  • the coiler mandrel 3 to be loaded is first brought into the initial winding position A.
  • this winding position A the free end of the coiler mandrel 3 is underpinned or gripped by the correspondingly moved mandrel support 5 with the fork-shaped bearing head 6 .
  • the mandrel support 6 raises the coiler mandrel 3 into a position in which bending or deflection of the coiler mandrel 3 is largely counteracted.
  • the initial winding position A two to three turns of the strip 9 are wound onto the coiler mandrel 3 .
  • the rotor 2 of the turning reel 1 is turned as shown in FIG Figures 1 and 2 rotated counterclockwise.
  • the relevant coiler mandrel 3 is transferred to the finished winding position F by rotating the rotor 2 while maintaining the strip tensile force BZ. Due to the winding process, the weight of the coil 8 increases constantly, the angle of the resulting R from the strip tensile force BZ and the weight G of the coil 8 changes constantly.
  • the supporting force S of the mandrel support 5 is always adjusted, for example by means of a regulation and control, so that a deflection of the mandrel support 3 is correspondingly counteracted at any time.
  • the control of the supporting force S of the mandrel support 5 is only one of several variants for controlling the position and inclination of the mandrel support 5.
  • the inclination of the mandrel support 5 and the horizontal position of the Carriage 13 is set or specified in such a way that the inclination of the mandrel support 5 and thus the direction of action of the supporting force S is essentially opposite to the resulting R from the strip tensile force BZ and the weight G of the coil 8.
  • the mandrel support 5 is therefore aligned parallel to the effective direction of the resulting R from the belt tensile force BZ and the weight G.
  • the angle ⁇ between R and a vertical corresponds to the angle ⁇ between S and a vertical.
  • the force of the mandrel support 5 can be regulated, for example, in such a way that the supporting force S is determined via the cylinder pressure of the first piston-cylinder arrangement. All cylinders or piston-cylinder assemblies 7, 10, and 13 are provided with displacement pickups with which the position and inclination of the mandrel support can be reliably detected.
  • figure 3 shows a control scheme in which the position of the coiler mandrel 3 and the deflection of the coiler mandrel 3 are used as an actuator 15 in a control circuit with a controller 16.
  • the positions of the respective cylinders or piston-cylinder assemblies 7, 10, 13 and the cylinder pressure of the first piston-cylinder assemblies 7 and the data from a position sensor 17 for detecting the position of the coiler mandrel 3 are in the controller 16 for control processed by inclination and position of the spine support 5.
  • figure 4 shows a control scheme in which the deflection of the coiler mandrel 3 is used as an actuator 15' of a control for the flatness of the strip during the winding process.
  • the reference number 18 designates a stand of a rolling mill, via which the flatness of the strip 9 can be influenced.
  • the control loop includes a flatness measurement 19 of the strip 9, the measured values of which are processed in a flatness controller 20 together with the values from the actuator 15'.
  • Reference List 1 turning reel A wrapping position 2 rotor f finish winding position 3, 3' reel mandrels Z intermediate position 4 mandrel support device BZ belt tension 5 spine support G weight of the coil 6 bearing head D Axis of rotation of the rotor 7 first piston-cylinder arrangement K Circular path reel mandrels 8, 8' coil S supporting force 9 tape a angle 10 second piston-cylinder arrangement ⁇ angle 11 mandrel support bearing 12 In stock 13 Sleds 14 third piston-cylinder arrangement 15 actuator 16 controller 17 position sensor 18 framework 19 flatness measurement 20 flatness controller

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Winding Of Webs (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)

Description

Die Erfindung betrifft einen Wendehaspel mit einem Rotor, an welchem wenigstens ein mit einem Drehantrieb versehener Haspeldorn zum Aufwickeln von Band zu einem Coil exzentrisch zu einer Drehachse des Rotors angeordnet ist, mit wenigstens einer angetriebenen Dornstützeinrichtung, umfassend eine Dornstütze, welche einen Lagerkopf zur Unterstützung des freien Endes des wenigstens einen Haspeldorns aufweist.The invention relates to a turning coiler with a rotor on which at least one coiler mandrel provided with a rotary drive for winding strip into a coil is arranged eccentrically to an axis of rotation of the rotor, with at least one driven mandrel support device, comprising a mandrel support, which has a bearing head to support the has the free end of at least one coiler mandrel.

Die Erfindung betrifft weiterhin ein Verfahren zum Aufwickeln von Bändern, insbesondere von Metallbändern zu einem Coil, insbesondere unter Verwendung des erfindungsgemäßen Wendehaspels.The invention also relates to a method for winding strips, in particular metal strips, into a coil, in particular using the turning coiler according to the invention.

Gattungsgemäße Haspel sind im Stand der Technik grundsätzlich bekannt. Diese werden beispielsweise sowohl in Kalt- als auch in Warmbandwalzwerken zum Aufwickeln des Bandes verwendet.Generic reels are known in principle in the prior art. These are used, for example, in both cold and hot strip rolling mills to coil the strip.

Ein gewalztes Metallband kann beispielsweise nach dem Walzen auf einen Haspeldorn oder auf eine auf den Haspeldorn aufgesteckte Wickelhülse aufgewickelt und später wieder abgewickelt werden. Zur Realisierung kürzester Wickelbundfolgen, speziell im sogenannten Kontibetrieb werden Wendehaspel verwendet, die wenigstens zwei Haspeldorne aufweisen und bei denen die Positionen der Haspeldorne während eines Haspelvorgangs verändert wird. Die Haspeldorne sind jeweils angetrieben und auf einem Rotor gelagert. Zu Beginn eines Aufwickelvorgangs wird der Rotor des Haspels so gedreht, dass ein noch leerer Haspeldorn in einer Anwickelposition positioniert wird. In dieser Position wird dann das Band auf dem Haspeldorn angewickelt. Unter dem Begriff "Anwickeln" wird für gewöhnlich verstanden, dass zunächst ein bis drei Windungen des Bandes auf dem Haspeldorn aufgewickelt werden. Nach dem erfolgten Anwickeln wird für das weitere Aufwickeln eine Zugspannung (Bandzug) in dem Band aufgebaut. Während des weiteren Aufwickelns wird der Haspeldorn aus der Anwickelposition in eine fertige Wickelposition gedreht. Dort erfolgt das Fertigwickeln des Bandes zu einem Coil bzw. zu einem Bund. Das Coil kann nach der Fertigstellung aus der Fertigwickelposition herausgenommen und weitertransportiert werden.For example, after rolling, a rolled metal strip can be wound onto a coiler mandrel or onto a winding sleeve placed onto the coiler mandrel and later unwound again. In order to achieve the shortest winding coil sequences, especially in so-called continuous operation, turning coilers are used which have at least two coiler mandrels and in which the positions of the coiler mandrels are changed during a coiling process. Each coiler mandrel is driven and mounted on a rotor. At the beginning of a winding process, the rotor of the reel is turned in such a way that an empty reel mandrel is positioned in a winding position. In this position, the tape is then wound onto the coiler mandrel. The term "starting winding" is usually understood to mean that initially one to three turns of the strip are wound onto the coiler mandrel. After the initial winding, a tensile stress (tape tension) is built up in the tape for further winding. During further winding, the coiler mandrel rotated from the wrapping position to a finished wrapping position. There the strip is finished being wound into a coil or bundle. After completion, the coil can be removed from the finished winding position and transported on.

Bei einem Wendehaspel sind die Haspeldorne einseitig, d. h. an einem antriebsseitigen Ende fest gelagert. Beim Haspeln eines Metallbandes ist jedoch eine beiderseitige Abstützung des Haspeldorns und eine dadurch bedingte symmetrische Biegelinie des Haspeldorns wichtig, um einen stabilen Bandlauf beim Haspeln sicherzustellen und um die Wickelgenauigkeit des Bandes auf dem Haspeldorn zu verbessern.In the case of a turning reel, the reel mandrels are one-sided, i. H. fixed at one end on the drive side. When coiling a metal strip, however, it is important for the coiler mandrel to be supported on both sides and for the coiler mandrel to have a symmetrical bending line as a result, in order to ensure stable strip travel during coiling and to improve the winding accuracy of the strip on the coiler mandrel.

Aus der WO 2018/041673 A1 , welche die Basis für den Oberbegriff des Anspruchs 1 bildet, ist eine Abstützvorrichtung für einen Wendehaspe zum Haspeln eines Metallbandes bekannt, die wenigstens eine in einen Stützkontakt mit einem freien Endabschnitt eines Haspeldorns bringbare Abstützeinheit aufweist. Die Abstützeinheit ist auf einer Schiene geführt, die vor dem Haspel angeordnet ist und die mit einem eigenen Antrieb der Kreisbahn des Haspeldorns folgt. Die Führungsschiene vor dem Haspel verbaut den bedienungsseitigen Bereich vor dem Haspel. Darüber hinaus ist die komplette Ausführung verhältnismäßig schwer und aufwändig.From the WO 2018/041673 A1 , which forms the basis for the preamble of claim 1, a support device for a turning coiler for coiling a metal strip is known, which has at least one support unit that can be brought into supporting contact with a free end portion of a coiler mandrel. The support unit is guided on a rail which is arranged in front of the coiler and which follows the circular path of the coiler mandrel with its own drive. The guide rail in front of the reel builds the operator-side area in front of the reel. In addition, the complete design is relatively heavy and complex.

Aus der EP 1 886 951 A1 ist eine Wickelmaschine zum Aufwickeln einer durch Längsschnitte einer in Streifen unterteilten Materialbahn, insbesondere einer Papierbahn, Kunststoff- oder Metallfolie bekannt. Die Wickelmaschine umfasst zwei sich quer über die Maschinenbreite erstreckende Wickelwellen, die zum Bewegen von einer Wickelposition zu einer Entladeposition und zurück an einer Maschinenseite in einer schwenkbaren Wendeeinrichtung gelagert sind. An der zu der Wendeeinrichtung entgegengesetzten Maschinenseite ist eine Stützvorrichtung mit einem Stützelement angeordnet, das mittels eines Antriebs vertikal bewegbar ist und dessen Ende eine Wickelwelle auf dem Weg von der Wickelposition in die Entladeposition unterstützt. Das Stützelement ist als motorisch ausfahrbare Stütze ausgebildet, die als Schwinge in einem Drehgelenk gelagert ist. Das Stützelement ist so von einer Wickelposition in eine Entladeposition schwenkbar, wobei das Schwenken mittels eines Aktuators erfolgt, sodass die Schwenkbewegung eine Kreisbahn beschreibt, die der Kreisbahn der Wendeeinrichtung entspricht. Bei der in der EP 1 886 951 A1 beschriebenen Wickelmaschine ist ein Wickelvorgang während der Bewegung der Wendeeinrichtung unter Bandzug nicht vorgesehen. Vielmehr ist vorgesehen, den Wickelvorgang in der Wickelposition durchzuführen und danach die betreffende Wickelrolle in die Entladeposition zu drehen.From the EP 1 886 951 A1 discloses a winding machine for winding up a material web divided into strips by longitudinal cuts, in particular a paper web, plastic or metal foil. The winding machine comprises two winding shafts which extend transversely across the width of the machine and which are mounted in a pivotable turning device on one side of the machine for moving from a winding position to an unloading position and back. On the side of the machine opposite to the turning device, a support device is arranged with a support element which can be moved vertically by means of a drive and the end of which supports a winding shaft on the way from the winding position to the unloading position. The support element is as designed motor-driven extendable support, which is mounted as a rocker in a swivel joint. The support element can thus be pivoted from a winding position into an unloading position, with the pivoting taking place by means of an actuator, so that the pivoting movement describes a circular path which corresponds to the circular path of the turning device. At the in the EP 1 886 951 A1 described winding machine is not provided for a winding process during the movement of the turning device under tape tension. Rather, it is provided to carry out the winding process in the winding position and then to rotate the winding roll in question into the unloading position.

Insbesondere beim Wickeln von Metallbändern aus Walzwerken sind verhältnismäßig hohe Bundgewichte zu handhaben. Der Haspeldorn hat bereits ein sehr hohes Eigengewicht. Deshalb hängt sein freies Ende gegenüber seinem rotorseitigen Ende dann bereits durch, wenn er nicht mit einem Metallband gewickelt ist. Unter der Last des aufgewickelten Metallbandes verstärkt sich die einseitige Verformung. Hinzu kommt die Wirkung des Bandzuges des unter Zugkraft aufgewickelten Metallbandes. Das Durchhängen oder Herabhängen des freien Endes des Haspeldorns ist insbesondere deshalb nachteilig, weil die Wickelgenauigkeit des Bandes beeinträchtigt wird. Diese Wickelungenauigkeit hat darüber hinaus negative Auswirkungen auf die Planheit des Bandes.Particularly when winding metal strips from rolling mills, relatively high bundle weights have to be handled. The coiler mandrel already has a very high dead weight. Its free end therefore already sags in relation to its end on the rotor side if it is not wound with a metal band. Under the load of the coiled metal strip, the one-sided deformation increases. Added to this is the effect of the strip tension of the metal strip wound under tensile force. The sagging or drooping of the free end of the mandrel is particularly disadvantageous because the winding accuracy of the strip is impaired. This winding inaccuracy also has negative effects on the flatness of the strip.

Der Erfindung liegt daher die Aufgabe zugrunde, einen bekannten Wendehaspel dahingehend weiterzubilden, dass die Durchbiegung des freien Endes des Haspeldorns während des gesamten Wickelvorgangs zuverlässig verringert wird. Der Erfindung liegt weiterhin die Aufgabe zugrunde, ein entsprechendes Verfahren bereitzustellen.The invention is therefore based on the object of further developing a known turning coiler such that the deflection of the free end of the coiler mandrel is reliably reduced during the entire winding process. The invention is also based on the object of providing a corresponding method.

Die Aufgabe wird gelöst durch eine Vorrichtung mit den Merkmalen des Anspruchs 1. Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.The object is achieved by a device having the features of claim 1. Advantageous developments of the invention result from the dependent claims.

Die Aufgabe wird weiterhin gelöst durch ein Verfahren mit den Merkmalen des Anspruchs 7. Vorteilhafte Weiterbildungen des Verfahrens ergeben sich aus den auf Anspruch 7 zurückbezogenen Verfahrensansprüchen.The object is also achieved by a method having the features of claim 7. Advantageous developments of the method result from the method claims referring back to claim 7.

Erfindungsgemäß ist ein Wendehaspel mit einem Rotor vorgesehen, an welchem wenigstens ein mit einem Drehantrieb versehener Haspeldorn zum Aufwickeln von Band zu einem Coil exzentrisch zu einer Drehachse des Rotors angeordnet ist, mit wenigstens einer angetriebenen Dornstützeinrichtung, umfassend eine Dornstütze, welche einen Lagerkopf zur Unterstützung eines freien Endes des wenigstens einen Haspeldorns aufweist, wobei der Lagerkopf entsprechend einer veränderlichen Position des Haspeldorns mit dem Haspeldorn bei einer Überführung des Haspeldorns von einer Anwickelposition in eine Fertigwickelposition bewegbar ist, wobei die Dornstütze als eine erste Kolben-Zylinder-Anordnung ausgebildet ist und die Dornstütze schwenkbar über ein Dornstützenlager auf einem tangential zu einer Kreisbahn des Haspeldorns verfahrbaren Schlitten abgestützt ist, und wobei die Neigung der Dornstütze und die Position des Lagerkopfs so verstellbar sind, dass die Dornstütze entsprechend oder parallel zu einer resultierenden Kraft aus Gewichtskraft des Coils und Zugkraft auf das Band ausgerichtet ist.According to the invention, a turning coiler is provided with a rotor on which at least one coiler mandrel provided with a rotary drive for winding strip into a coil is arranged eccentrically to an axis of rotation of the rotor, with at least one driven mandrel support device, comprising a mandrel support, which has a bearing head for supporting a free end of the at least one coiler mandrel, wherein the bearing head can be moved with the coiler mandrel in accordance with a variable position of the coiler mandrel when the coiler mandrel is transferred from a pre-winding position to a finish-winding position, wherein the mandrel support is designed as a first piston-cylinder arrangement and the mandrel support is supported pivotably via a mandrel support bearing on a carriage that can be moved tangentially to a circular path of the coiler mandrel, and the inclination of the mandrel support and the position of the bearing head are adjustable so that the mandrel support corresponds to or parallel to a re resulting force from the weight of the coil and the tensile force on the strip.

Die Position des Lagerkopfs ist vorzugsweise bezogen auf die Drehachse des Rotors radial verstellbar.The position of the bearing head can preferably be adjusted radially in relation to the axis of rotation of the rotor.

Die Erfindung kann dahingehend zusammengefasst werden, dass erfindungsgemäß eine Dornstützeinrichtung mit einem mitfahrenden Dornstützenlager bereitgestellt wird, welches das freie Ende des Haspeldorns in einer Anwickelposition und während der Überführung des Haspeldorns von der Anwickelposition in die Fertigwickelposition unterstützt, wobei sich der Lagerkopf der Dornstützeinrichtung sowohl während des Anwickelns als auch zeitweise während des Fertigwickeins mit dem freien Ende des Haspeldorns in Eingriff befinden kann und zwar so, dass in verhältnismäßig einfacher Art und Weise die Dornstütze nicht nur der zunehmenden Gewichtskraft sondern auch der Bandzugkraft entgenwirkt. Erfindungsgemäß lässt sich das Dornstützenlager so verstellen, dass zu jeder Kombination aus Bandzug und Bundgewicht auch während des Wickelvorgangs eine Einstellung wählbar ist, die eine entsprechende Unterstützung des Haspeldorns ermöglicht. Die Dornstütze wird während des Betriebs des Wendehaspels so verstellt, dass optimal Einfluss auf die Verbiegung des Haspeldorns genommen werden kann. Die Unterstützung des Haspeldorns erfolgt idealerweise immer, auch während des Umlaufs, etwa in Richtung der resultierenden Kraft aus Bandzug und Gewichtskraft des Bundes bzw. des Coils. Das hat insbesondere den Vorteil, dass in das System keine Kippmomente übertragen werden, die zusätzlich aufgefangen werden müssten.The invention can be summarized as follows: according to the invention, a mandrel support device is provided with an accompanying mandrel support bearing, which supports the free end of the coiler mandrel in a winding-on position and during the transfer of the coiler mandrel from the initial winding position to the finish-winding position, with the bearing head of the mandrel support device moving both during the Winding as well as at times during the finish winding with the free end of the coiler mandrel engaged can be located in such a way that in a relatively simple manner the mandrel support not only counteracts the increasing weight but also the tensile force of the belt. According to the invention, the mandrel support bearing can be adjusted in such a way that a setting can be selected for each combination of strip tension and bundle weight, even during the winding process, which enables the coiler mandrel to be supported accordingly. The mandrel support is adjusted during operation of the turning coiler in such a way that the deflection of the coiler mandrel can be optimally influenced. Ideally, the coiler mandrel is always supported, even during circulation, for example in the direction of the force resulting from the strip tension and the weight of the bundle or coil. This has the particular advantage that no tilting moments are transferred to the system that would have to be additionally absorbed.

"Mitfahrend" im Sinne der Erfindung meint, dass die Dornstütze während der Drehung des Rotors der dabei vollzogenen Kreisbewegung des Haspeldorns und des darauf aufgewickelten Bundes folgt."Following" in the context of the invention means that the mandrel support follows the circular movement of the coiler mandrel and the coil wound on it during the rotation of the rotor.

Vorzugsweise umfasst der Wendehaspel gemäß der Erfindung zusätzlich ein stationäres Außenlager, welches in der Fertigwickelposition gegen den Haspeldorn geschwenkt wird. Sowohl der Lagerkopf der Dornstützeinrichtung als auch ein entsprechend ausgebildeter Lagerkopf eines stationären Außenlagers sind so ausgebildet, dass sie jeweils an einem anderen Umfangsabschnitt des Haspeldorns auf derselben Länge des Haspeldorns angreifen können. Dadurch ist es möglich, den Haspeldorn in der Fertigwickelposition mit dem stationären Außenlager in Eingriff zu bringen und sodann die Dornstützeinrichtung zurück in die Ausgangsposition zu verfahren.Preferably, the turning coiler according to the invention additionally comprises a stationary external bearing, which is pivoted against the coiler mandrel in the finish winding position. Both the bearing head of the mandrel support device and a correspondingly designed bearing head of a stationary external bearing are designed in such a way that they can each act on a different circumferential section of the coiler mandrel over the same length of the coiler mandrel. This makes it possible to bring the coiler mandrel into engagement with the stationary outer bearing in the finish winding position and then to move the mandrel support device back into the starting position.

Der Wendehaspel gemäß der Erfindung umfasst vorzugsweise zwei jeweils einseitig auf dem Rotor drehbeweglich gelagerte Haspeldorne, die einander diametral gegenüberliegend angeordnet sind.The turning coiler according to the invention preferably comprises two coiler mandrels which are rotatably mounted on one side of the rotor and are arranged diametrically opposite one another.

Vorzugsweise ist die Dornstütze über eine auf dem Schlitten befestigte Stelleinrichtung in der Neigung verstellbar. Über den Schlitten lässt sich in Kombination mit der in der Neigung und Länge verstellbaren Dornstütze besonders einfach eine Neigungsverstellung durch Überlagerung einer Rotationsbewegung und einer Linearbewegung bewerkstelligen.The inclination of the mandrel support can preferably be adjusted by means of an adjusting device fastened to the carriage. In combination with the mandrel support, which can be adjusted in inclination and length, the slide can be used to adjust the inclination particularly easily by superimposing a rotational movement and a linear movement.

Vorzugsweise ist als Stelleinrichtung für die Verstellbarkeit der Neigung der Dornstütze eine zweite Kolben-Zylinder-Anordnung vorgesehen. Sowohl die erste als auch die zweite Kolben-Zylinder-Anordnung ist vorzugsweise als Hydraulikzylinder ausgebildet, deren Kraft verhältnismäßig einfach und fein regelbar ist. Beide Kolben-Zylinder-Anordnungen können sowohl mit Sensoren für die Kraftmessung als auch mit Sensoren für die Wegaufnahme versehen sein.A second piston-cylinder arrangement is preferably provided as the adjusting device for the adjustability of the inclination of the mandrel support. Both the first and the second piston-cylinder arrangement is preferably designed as a hydraulic cylinder, the force of which can be regulated relatively easily and finely. Both piston-cylinder assemblies can be provided with sensors for measuring the force as well as sensors for recording the displacement.

Alternativ kann die Neigungsverstellung für die Dornstütze mittels eines hydraulischen oder elektrischen Drehantriebs bewerkstelligt werden.Alternatively, the inclination of the mandrel support can be adjusted by means of a hydraulic or electric rotary drive.

Bevorzugt ist der Schlitten über eine dritte Kolben-Zylinder-Anordnung tangential zu Drehachse des Rotors verschiebbar.The carriage can preferably be displaced tangentially to the axis of rotation of the rotor via a third piston-cylinder arrangement.

Bei einer ebenen Aufstellung des Wendehaspels gemäß der Erfindung kann der Schlitten bezogen auf die Aufstellungsebene horizontal verfahrbar bzw. verschiebbar sein. Alternativ kann der Schlitten beispielsweise auf einem Zahnstock mittels eines Zahntriebs verstellbar sein.When the turning reel according to the invention is set up on a level surface, the carriage can be moved or shifted horizontally with respect to the set-up level. Alternatively, the carriage can be adjustable, for example, on a rack by means of a rack and pinion.

Zweckmäßigerweise ist eine Steuerung vorgesehen, mit welcher die Dornstützeinrichtung so angesteuert wird, dass die Dornstütze während des Aufwickelvorgangs einer Kreisbahn des Dorns wenigstens über einen Teilkreisabschnitt folgt.A controller is expediently provided, with which the mandrel support device is controlled in such a way that the mandrel support follows a circular path of the mandrel at least over a partial circle section during the winding process.

Die der Erfindung zugrunde liegende Aufgabe wird weiterhin gelöst durch ein Verfahren zum Aufwickeln von Bändern, insbesondere von Metallbändern zu einem Coil oder Bund, mittels eines Wendehaspels mit einem Rotor, an welchem wenigstens ein mit einem Drehantrieb versehener Haspeldorn zum Aufwickeln von Band exzentrisch zu einer Drehachse des Rotors angeordnet ist, mit wenigstens einer angetriebenen Dornstützeinrichtung, umfassend eine Dornstütze, welche einen Lagerkopf zur Unterstützung eines freien Endes des wenigstens einen Haspeldorns aufweist, wobei das Verfahren folgende Schritte aufweist:
drehen des Rotors zum Überführen des zunächst leeren Haspeldorns in eine Anwickelposition, unterfangen eines freien Endes des Haspeldorns mit dem Lagerkopf der Dornstütze, anheben des freien Endes des Haspeldorns mit der Dornstütze, anwickeln des Bandes in der Anwickelposition, drehen des Rotors zum Überführen des Haspeldorns mit dem angewickelten Coil in eine Fertigwickelposition, wobei die Dornstütze während einer Drehung des Rotors von der Anwickelposition in die Fertigwickelposition so nachgeführt wird, dass der Lagerkopf mit dem freien Ende der Dornstütze lastaufnehmend in Eingriff bleibt, unterfangen des Haspeldorns mittels eines stationären Außenlagers und fertigwickeln des Bandes, wobei ein Verstellen der Neigung der Dornstütze vor und/oder während des Anwickelns und/oder während der Überführung des Haspeldorns in die Fertigwickelposition so erfolgt, dass der Winkel zwischen der Dornstütze und einer Lotrechten dem Winkel zwischen einer resultierenden Kraft aus einer Bandzugkraft und Gewichtskraft des Coils entspricht.The object on which the invention is based is also achieved by a method for winding up strips, in particular metal strips a coil or bundle, by means of a turning coiler with a rotor on which at least one coiler mandrel provided with a rotary drive for winding up strip is arranged eccentrically to an axis of rotation of the rotor, with at least one driven mandrel support device, comprising a mandrel support, which has a bearing head for supporting a free end of the at least one coiler mandrel, the method having the following steps:
turning the rotor to transfer the initially empty coiler mandrel into a winding position, underpinning a free end of the coiler mandrel with the bearing head of the mandrel support, lifting the free end of the coiler mandrel with the mandrel support, winding the strip in the winding position, rotating the rotor to transfer the coiler mandrel the coil into a finish winding position, with the mandrel support being tracked during rotation of the rotor from the pre-winding position to the finish winding position in such a way that the bearing head remains in load-bearing engagement with the free end of the mandrel support, underpinning the coiler mandrel by means of a stationary external bearing and finish-winding the strip , wherein the inclination of the mandrel support is adjusted before and/or during the initial winding and/or during the transfer of the coiler mandrel into the finished winding position in such a way that the angle between the mandrel support and a perpendicular corresponds to the angle between a resulting force from a strip tension force t and weight of the coil.

Zweckmäßigerweise erfolgt die Verstellung der Neigung der Dornstütze während der Drehung des Rotors von der Anwickelposition in die Fertigwickelposition.The inclination of the mandrel support is expediently adjusted during the rotation of the rotor from the initial winding position to the final winding position.

Bevorzugt wird die Nachführbewegung der Dornstütze wenigstens teilweise durch eine Überlagerung einer Linearbewegung der Dornstützeinrichtung mit einer Schwenkbewegung der Dornstütze vollzogen. Wenn die erste, zweite und dritte Kolben-Zylinder - Anordnung des Wendehaspels gemäß der Erfindung jeweils mit Weggebern versehen sind, können die Zylinder so gesteuert werden, dass sie der Kreisbahn des Haspeldorns folgen.The tracking movement of the mandrel support is preferably carried out at least partially by superimposing a linear movement of the mandrel support device with a pivoting movement of the mandrel support. If the first, second and third piston-cylinder arrangement of the turning reel according to the invention are each provided with displacement sensors, the cylinders can be controlled so that they follow the circular path of the reel mandrel.

Bei einer vorteilhaften Variante des Verfahrens gemäß der Erfindung ist vorgesehen, dass das freie Ende des Haspeldorns in Abhängigkeit der Gewichtskraft des Coils und/oder des Bandzuges abgestützt wird. Dabei kann die Lastaufnahme der Dornstütze in Eingriff mit dem freien Ende des Haspeldorns gemessen werden, wobei die Stützkraft der Dornstütze so geregelt wird, dass dessen durch Gewichtskraft und Bandzug verursachte Absenkung kompensiert wird. Hierzu ist die erste Kolben-Zylinder-Anordnung bevorzugt kraftgeregelt, sodass das freie Ende des Haspeldorns immer mit der optimalen Stützkraft angehoben wird.In an advantageous variant of the method according to the invention, it is provided that the free end of the coiler mandrel is supported depending on the weight of the coil and/or the strip tension. The load absorption of the mandrel support can be measured in engagement with the free end of the coiler mandrel, the supporting force of the mandrel support being regulated in such a way that its lowering caused by weight and strip tension is compensated. For this purpose, the first piston-cylinder arrangement is preferably force-controlled, so that the free end of the coiler mandrel is always raised with the optimum supporting force.

Die Erfassung der Neigung der ersten Kolben-Zylinder-Anordnung kann mittels Wegmessung in Zylinder oder direkter Winkelmessung erfolgen.The inclination of the first piston-cylinder arrangement can be detected by means of displacement measurement in the cylinder or direct angle measurement.

Eine Regelung der Neigungsverstellung der ersten Kolben-Zylinder-Anordnung kann in Abhängigkeit einer in einen Winkel zur Stützkraft der Dornstütze einwirkenden Kraft erfolgen. Wird die Dornstütze nur in ihrer Längsrichtung belastet, wirkt keine Querkraft und mithin kein Moment auf die Dornstütze. Die Regelung kann vorsehen, dass die Neigung der Dornstütze so verstellt wird, dass die auf diese in einem Winkel zur Stützrichtung einwirkende Kraft minimal ist.The inclination adjustment of the first piston-cylinder arrangement can be controlled as a function of a force acting at an angle to the supporting force of the mandrel support. If the mandrel support is only loaded in its longitudinal direction, no lateral force and therefore no moment acts on the mandrel support. The regulation can provide that the inclination of the mandrel support is adjusted in such a way that the force acting on it at an angle to the direction of support is minimal.

Nach einer Variante der Regelung von Position und Neigung der Dornstütze kann vorgesehen sein, eine reine Positionsregelung vorzusehen.According to a variant of the regulation of the position and inclination of the mandrel support, provision can be made for purely position regulation.

Alternativ hierzu kann die Regelung von Position und Neigung der Dornstütze überwiegend als Kraftregelung erfolgen.As an alternative to this, the position and inclination of the mandrel support can be regulated predominantly as force regulation.

Unabhängig davon, ob die Regelung als Kraftregelung oder Positionsregelung erfolgt, kann die Soll-Neigung und die Soll-Lage der Dornstütze von einem Drehgeber am Rotor vorgegeben werden. Die Regelungen kann alternativ in Abhängigkeit der Lage des Haspeldorns erfolgen.Regardless of whether the control is force control or position control, the target inclination and the target position of the mandrel support can be specified by a rotary encoder on the rotor. Alternatively, the regulations can take place depending on the position of the coiler mandrel.

Bei einer Variante des Verfahrens gemäß der Erfindung ist vorgesehen, dass die auf die Dornstütze wirkende Stützkraft als Eingangsgröße eines Stellglieds in einem Regelkreis verwendet wird.In a variant of the method according to the invention, it is provided that the supporting force acting on the mandrel support is used as an input variable of an actuator in a control loop.

Zusätzlich kann die auf die Dornstütze einwirkende Stützkraft als Eingangsgröße eines Stellglieds in einem Regelkreis verwendet werden, der zur Regelung der Planheit des Bandes dient.In addition, the supporting force acting on the mandrel support can be used as an input variable for an actuator in a control loop which is used to control the flatness of the strip.

Die Erfindung wird nachstehend unter Bezugnahme auf die beigefügten Zeichnungen erläutert. In den Zeichnungen zeigen:

Figur 1
eine schematische Darstellung eines Wendehaspels gemäß der Erfindung,
Figur 2
eine vergrößerte Detailansicht II aus Figur 1, in welche die auf den Haspeldorn einwirkenden Kräfte dargestellt sind,
Figur 3
ein Regelschema, in dem die Durchbiegung des Haspeldorns als Stellglied in einer eigenen Regelung dargestellt ist und
Figur 4
ein Regelschema in dem die Durchbiegung des Haspeldorns als Stellglied einer Planheitsegelung für das Band dargestellt ist.
The invention will be explained below with reference to the accompanying drawings. In the drawings show:
figure 1
a schematic representation of a turning reel according to the invention,
figure 2
an enlarged detail view II figure 1 , in which the forces acting on the coiler mandrel are shown,
figure 3
a control scheme in which the deflection of the coiler mandrel is shown as an actuator in a separate control and
figure 4
a control scheme in which the deflection of the coiler mandrel is shown as the actuator of a flatness control for the strip.

Die Figur 1 zeigt in stark vereinfachter und schematisierter Darstellung einen Wendehaspel 1. Der Wendehaspel umfasst einen Rotor 2, der beispielsweise als rotierende Scheibe ausgebildet sein kann, an welcher zwei Haspeldorne 3 exzentrisch zu einer Drehachse D des Rotors 2 befestigt sind. Die beiden Haspeldorne 3 erstrecken sich senkrecht zur Ebene des Rotors 2 und sind jeweils drehbar angetrieben.the figure 1 shows a turning reel 1 in a highly simplified and schematic representation. The turning reel comprises a rotor 2 which can be designed, for example, as a rotating disc on which two reel mandrels 3 are fastened eccentrically to an axis of rotation D of the rotor 2. The two coiler mandrels 3 extend perpendicular to the plane of the rotor 2 and are each driven to rotate.

Der Wendehaspel 1 umfasst eine Dornstützeinrichtung 4 mit einer Dornstütze 5, an deren freien Ende sich ein gabelförmig ausgebildeter Lagerkopf 6 befindet. Die Dornstütze 5 ist Teil einer ersten Kolben-Zylinder-Anordnung 7 die hydraulisch längs verstellbar ist. In der dargestellten Stellung des Rotors 2 befindet sich der untere Haspeldorn 3 in der Anwickelposition A und der obere Haspeldorn 3 ist in der Fertigwickelposition F dargestellt. Der in der Anwickelposition A befindliche Haspeldorn 3 ist leer. Weiterhin ist in der Zeichnung die unterstützte Stellung des in Betrieb befindlichen Haspeldorns 3' als Zwischenposition Z von einer Anwickelposition A in die Fertigwickelposition F dargestellt. Der in der Zwischenposition Z dargestellte Coil 8' ist bereits angewickelt. Der in der Fertigwickelposition F befindliche Haspeldorn 3 ist mit einem fertig gewickelten Coil 8 bestückt, wobei der Coil 8 in der Fertigwickelposition F als gestrichelte Linie angedeutet ist. Die Zwischenposition Z zeigt eine beliebige Position des Haspeldorns 3 mit einem beliebig stark aufgewickelten Band 9 bei seiner Überführung von der Anwickelposition A in die Fertigwickelposition F. Die Zwischenposition Z ist keine diskrete Stellung des Rotors 2.The turning reel 1 comprises a mandrel support device 4 with a mandrel support 5, at the free end of which a fork-shaped bearing head 6 is located. The mandrel support 5 is part of a first piston-cylinder assembly 7 which is longitudinally adjustable hydraulically. In the position of the rotor 2 shown, the lower coiler mandrel 3 is in the initial winding position A and the upper coiler mandrel 3 is shown in the finish winding position F. The reel mandrel 3 located in the initial winding position A is empty. Furthermore, the supported position of the coiler mandrel 3' in operation is shown in the drawing as an intermediate position Z from a start-up position A to the finish-winding position F. The coil 8' shown in the intermediate position Z has already been wound. The coiler mandrel 3 located in the finished winding position F is equipped with a finished coil 8, the coil 8 in the finished winding position F being indicated as a dashed line. The intermediate position Z shows any position of the coiler mandrel 3 with an arbitrarily wound strip 9 during its transfer from the initial winding position A to the final winding position F. The intermediate position Z is not a discrete position of the rotor 2.

Die Dornstütze 5 ist mittels einer zweiten Kolben-Zylinder-Anordnung 10 in ihrer Neigung verstellbar. Die Dornstütze 5 ist über ein Dornstützenlager 11 auf einem horizontal und auf einem ebenen Auflager 12 verfahrbaren Schlitten 13 gelagert. Der Schlitten 13 ist wiederum mittels einer dritten Kolben-Zylinder Anordnung 14 angetrieben bzw. verfahrbar. Durch eine Überlagerungsbewegung des tangential zu der Drehachse D des Rotors 2 verfahrbaren Schlittens 13 und der über die zweite Kolben-Zylinder Anordnung 10 bewirkten Winkelverstellung der Dornstütze 5, die wiederum als in der Länge verstellbare erste Kolben-Zylinder Anordnung 7 ausgebildet ist, kann der Lagerkopf 6 der Dornstütze 5 in Eingriff mit dem in Betrieb befindlichen Haspeldorn 3 der Kreisbahn des exzentrisch auf dem Rotor 2 gelagerten Haspeldorns von der Anwickelposition A über die Zwischenposition Z in die Fertigwickelposition F folgen, wobei, wie bereits vorstehend angemerkt, die Zwischenposition Z nur aus Gründen der Anschaulichkeit eingezeichnet ist. Diese Zwischenposition Z ist keine diskrete Stellung des Rotors 2.The inclination of the mandrel support 5 can be adjusted by means of a second piston-cylinder arrangement 10 . The mandrel support 5 is mounted via a mandrel support bearing 11 on a carriage 13 which can be moved horizontally and on a flat support 12 . The carriage 13 is in turn driven or moved by means of a third piston-cylinder arrangement 14 . By superimposing the movement of the carriage 13, which can be moved tangentially to the axis of rotation D of the rotor 2, and the angular adjustment of the mandrel support 5 caused by the second piston-cylinder arrangement 10, which in turn is designed as a length-adjustable first piston-cylinder arrangement 7, the bearing head 6 of the mandrel support 5 in engagement with the operating coiler mandrel 3 follow the circular path of the coiler mandrel, which is eccentrically mounted on the rotor 2, from the initial winding position A via the intermediate position Z to the final winding position F, with the intermediate position Z only being used for reasons, as already noted marked for clarity. This intermediate position Z is not a discrete position of the rotor 2.

In der Anwickelposition A wird zunächst der Haspeldorn 3 angehoben, sodann wird das Band 9 auf den Haspeldorn 3 aufgewickelt. Nach etwa ein bis drei Wicklungen wird die Drehbewegung des Rotors 2 in Gang gesetzt. Der Rotor 2 dreht den in Betrieb befindlichen Haspeldorn 3 während dieser das Band 9 weiter aufwickelt in die Fertigwickelposition F. In der Fertigwickelposition F wird ein stationäres Außenlager gegen den Haspeldorn 3 geschwenkt, sodass dieses den Haspeldorn 3 untergreift. Das stationäre Außenlager ist in den Zeichnungen nicht dargestellt. Der Lagerkopf 6 der Dornstütze 5 ist gabelförmig ausgebildet und untergreift den Haspeldorn nur auf einen Teilkreisabschnitt seines Umfangs. Ein Lagerkopf des stationären Außenlagers ist entsprechend ausgebildet und untergreift den Haspeldorn 3 ebenfalls nur auf einem Teilkreisumfang, derart, dass zunächst in der Fertigwickelposition F der Haspeldorn 3 auf demselben Längenabschnitt sowohl von dem Lagerkopf des stationären Außenlagers als auch von dem Lagerkopf 6 der Dornstütze 5 Untergriffen werden. Sobald der Haspeldorn auf dem stationären Außenlager abgestützt ist, wird der Lagerkopf 6 der Dornstütze 5 mit dem Haspeldorn 3 außer Eingriff gebracht, sodass die Dornstützeinrichtung in ihre Ausgangsposition zurückgefahren werden kann.In the winding position A, the coiler mandrel 3 is first raised, then the strip 9 is wound onto the coiler mandrel 3. After about one to three windings, the rotary movement of the rotor 2 is started. The rotor 2 rotates the operating coiler mandrel 3 while it continues to wind the strip 9 into the finish winding position F. In the finish coiling position F, a stationary external bearing is pivoted against the coiler mandrel 3 so that it grips the coiler mandrel 3 below. The stationary external camp is not shown in the drawings. The bearing head 6 of the mandrel support 5 is fork-shaped and reaches under the coiler mandrel only on a partial circle section of its circumference. A bearing head of the stationary external bearing is designed accordingly and also reaches under the coiler mandrel 3 only on a pitch circle circumference, such that initially in the finish winding position F the coiler mandrel 3 reaches under it over the same length section both by the bearing head of the stationary external bearing and by the bearing head 6 of the mandrel support 5 will. As soon as the coiler mandrel is supported on the stationary outer bearing, the bearing head 6 of the mandrel support 5 is disengaged from the coiler mandrel 3 so that the mandrel support device can be returned to its starting position.

Die erste, zweite und dritte Kolben-Zylinder-Anordnung 7, 10 und 13 ist jeweils mit Kraft- und/oder Wegsensoren versehen. Alternativ oder zusätzlich kann die erste Kolben - Zylinder - Anordnung 7 mit einem Winkelmesser/Neigungsmesser/Neigungssensor versehen sein. Erfindungsgemäß ist vorgesehen, die Dornstütze 5, die bereits in der Anwickelposition A mit dem freien Ende des Haspeldorns 3 in Eingriff gebracht wird, in Unterstützung des in Betrieb befindlichen Haspeldorns 3 mit einer entsprechenden Drehung des Rotors 2 mitzufahren bzw. nachzufahren. Zunächst hebt die Dornstütze 5 den leeren Haspeldorn 3 in der Anwickelposition A bereits so an, dass eine nicht wünschenswerte Durchbiegung bzw. Verbiegung kompensiert wird.The first, second and third piston-cylinder assemblies 7, 10 and 13 are each provided with force and/or displacement sensors. Alternatively or additionally, the first piston-cylinder arrangement 7 can be provided with an angle gauge/inclinometer/inclination sensor. According to the invention, the mandrel support 5, which is already brought into engagement with the free end of the coiler mandrel 3 in the initial winding position A, is driven or followed by a corresponding rotation of the rotor 2 with the support of the coiler mandrel 3 in operation. First, the mandrel support 5 already raises the empty coiler mandrel 3 in the initial winding position A in such a way that an undesirable deflection or bending is compensated.

Zur Regelung von Position und Neigung der Dornstütze 5 sind verschiedene Varianten möglich.Various variants are possible for controlling the position and inclination of the mandrel support 5 .

Dabei werden beispielsweise die Neigung und die Position der Dornstütze 5 von einem nicht dargestellten Drehgeber am Rotor 2 als Sollwerte vorgegeben. Alternativ hierzu ist es möglich, die Soll - Neigung und die Soll -Position der Dornstütze 5 in Abhängigkeit der Lage des in Betrieb befindlichen Haspeldorns 3 vorzugeben. Alternativ oder zusätzlich kann die Soll-Neigung und die Soll-Position der Dornstütze 5 von einer Planheitsmessung des Bandes 9 vorgegeben werden.In this case, for example, the inclination and the position of the mandrel support 5 are specified as desired values by a rotary encoder (not shown) on the rotor 2 . As an alternative to this, it is possible to specify the target inclination and the target position of the mandrel support 5 as a function of the position of the coiler mandrel 3 in operation. Alternatively or additionally, the desired inclination and the desired position of the mandrel support 5 can be specified by measuring the flatness of the strip 9 .

Über eine Steuerung wird die entsprechende Soll - Position und Soll - Neigung der Dornstütze 5 angefahren. Der Neigungswinkel der Dornstütze 5 kann beispielsweise über eine Wegmessung im Zylinder der ersten Kolben-Zylinder-Anordnung 7 oder über eine Winkelmesseinrichtung erfasst werden.The corresponding target position and target inclination of the mandrel support 5 is approached via a controller. The angle of inclination of the mandrel support 5 can be detected, for example, by measuring the displacement in the cylinder of the first piston-cylinder assembly 7 or by an angle measuring device.

Es kann eine reine Positionsregelung für die erste, zweite und dritte Kolben-Zylinder-Anordnung 7, 10, 14 vorgesehen sein. Die Kräfte aller Zylinder können mittels Kraftsensoren erfasst werden und mit den errechneten bzw. vorgegebenen Kräften verglichen werden. Alternativ ist es möglich, die erste und die zweite Kolben-Zylinder-Anordnung 7, 10 kraftgeregelt einzustellen, wohingegen die dritte Kolben--Zylinder Anordnung 14 über eine wegabhängige Regelung verfahren wird.A pure position control for the first, second and third piston-cylinder arrangement 7, 10, 14 can be provided. The forces of all cylinders can be recorded using force sensors and compared with the calculated or specified forces. Alternatively, it is possible to adjust the first and the second piston-cylinder arrangement 7, 10 in a force-controlled manner, whereas the third piston-cylinder arrangement 14 is moved via a path-dependent regulation.

Die Kreisbahn der Haspeldorne 3, die diese mit dem Rotor 2 vollziehen, auf dem sie exzentrisch zur Drehachse D gelagert sind, ist mit dem Buchstaben K gekennzeichnet. Die Neigung der Dornstütze 5 wird während des Betriebs des unterstützten Haltedorns 3 so eingestellt, dass der Winkel zwischen der betreffenden Dornstütze 3 und einer Lotrechten weitestgehend dem Winkel zwischen einer resultierenden Kraft R aus einer Bandzugkraft BZ und der Gewichtskraft G des Coils 8, 8'entspricht. Eine grafische Kräftezerlegung der resultierenden Kraft R aus der Bandzugkraft BZ und der Gewichtskraft G des Coils 8,8' ist in Figur 2 dargestellt.The circular path of the coiler mandrels 3, which they complete with the rotor 2, on which they are mounted eccentrically to the axis of rotation D, is marked with the letter K. The inclination of the mandrel support 5 is adjusted during operation of the supported holding mandrel 3 in such a way that the angle between the mandrel support 3 in question and a vertical largely corresponds to the angle between a resulting force R from a strip tensile force BZ and the weight G of the coil 8, 8′ . A graphical breakdown of forces The resulting force R from the strip tensile force BZ and the weight G of the coil 8.8' is in figure 2 shown.

Bei dem Verfahren gemäß der Erfindung wird, wie eingangs bereits erwähnt, der zu bestückende Haspeldorn 3 zunächst in die Anwickelposition A verbracht. In dieser Anwickelposition A wird das freie Ende des Haspeldorns 3 von der entsprechend verfahrenen Dornstütze 5 mit dem gabelförmig ausgebildeten Lagerkopf 6 unterfangen bzw. untergriffen. Sodann hebt die Dornstütze 6 den Haspeldorn 3 in eine Lage an, in der einer durch Biegung bzw. Verbiegung des Haspeldorns 3 weitestgehend entgegengewirkt wird. In der Anwickelposition A werden zunächst zwei bis drei Windungen des Bandes 9 auf den Haspeldorn 3 aufgewickelt. Sodann wird der Rotor 2 des Wendehaspels 1 gemäß der Darstellung in Figuren 1 und 2 gegen den Uhrzeigersinn gedreht. Nach dem Anwickeln des Coils 8 wird über eine Drehung des Rotors 2 unter Beibehaltung der Bandzugkraft BZ der betreffende Haspeldorn 3 in die Fertigwickelposition F überführt. Bedingt durch den Wickelvorgang nimmt das Gewicht des Coils 8 stetig zu, der Winkel der resultierenden R aus Bandzugkraft BZ und Gewichtskraft G des Coils 8 ändert sich stetig. Die Stützkraft S der Dornstütze 5 wird beispielsweise mittels einer Regelung und Steuerung stets so angepasst, dass einer Durchbiegung der Dornstütze 3 jederzeit entsprechend entgegengewirkt wird. Wie vorstehend erwähnt ist die Regelung der Stützkraft S der Dornstütze 5 nur eine von mehreren Varianten zur Regelung der Position und Neigung der Dornstütze 5. Während der Drehbewegung des Rotors 2 werden die Neigung der Dornstütze 5 und die im Ausführungsbeispiel bezogen auf die Aufstellungsebene horizontale Lage des Schlittens 13 so eingestellt bzw. vorgegeben, dass die Neigung der Dornstütze 5 und mithin die Wirkungsrichtung der Stützkraft S im Wesentlichen entgegengesetzt der resultierenden R aus Bandzugkraft BZ und Gewichtskraft G des Coils 8 ausgerichtet ist. Die Dornstütze 5 ist also parallel zur Wirkrichtung der resultierenden R aus Bandzugkraft BZ und Gewichtskraft G ausgerichtet. Wie dies aus Figur 2 zu entnehmen ist, entspricht der Winkel α zwischen R und einer Lotrechten dem Winkel β zwischen S und einer Lotrechten.In the method according to the invention, as already mentioned, the coiler mandrel 3 to be loaded is first brought into the initial winding position A. In this winding position A, the free end of the coiler mandrel 3 is underpinned or gripped by the correspondingly moved mandrel support 5 with the fork-shaped bearing head 6 . Then the mandrel support 6 raises the coiler mandrel 3 into a position in which bending or deflection of the coiler mandrel 3 is largely counteracted. In the initial winding position A, two to three turns of the strip 9 are wound onto the coiler mandrel 3 . Then the rotor 2 of the turning reel 1 is turned as shown in FIG Figures 1 and 2 rotated counterclockwise. After the coil 8 has been initially wound, the relevant coiler mandrel 3 is transferred to the finished winding position F by rotating the rotor 2 while maintaining the strip tensile force BZ. Due to the winding process, the weight of the coil 8 increases constantly, the angle of the resulting R from the strip tensile force BZ and the weight G of the coil 8 changes constantly. The supporting force S of the mandrel support 5 is always adjusted, for example by means of a regulation and control, so that a deflection of the mandrel support 3 is correspondingly counteracted at any time. As mentioned above, the control of the supporting force S of the mandrel support 5 is only one of several variants for controlling the position and inclination of the mandrel support 5. During the rotary movement of the rotor 2, the inclination of the mandrel support 5 and the horizontal position of the Carriage 13 is set or specified in such a way that the inclination of the mandrel support 5 and thus the direction of action of the supporting force S is essentially opposite to the resulting R from the strip tensile force BZ and the weight G of the coil 8. The mandrel support 5 is therefore aligned parallel to the effective direction of the resulting R from the belt tensile force BZ and the weight G. Like this out figure 2 can be seen, the angle α between R and a vertical corresponds to the angle β between S and a vertical.

Die Kraftregelung der Dornstütze 5 kann beispielsweise derart erfolgen, dass die Stützkraft S über den Zylinderdruck der ersten Kolben-Zylinder-Anordnung ermittelt wird. Alle Zylinder bzw. Kolben-Zylinder Anordnungen 7, 10, und 13 sind mit Wegaufnehmen versehen, mit denen die Position und Neigung der Dornstütze zuverlässig erfasst werden können.The force of the mandrel support 5 can be regulated, for example, in such a way that the supporting force S is determined via the cylinder pressure of the first piston-cylinder arrangement. All cylinders or piston-cylinder assemblies 7, 10, and 13 are provided with displacement pickups with which the position and inclination of the mandrel support can be reliably detected.

Figur 3 zeigt ein Regelschema, in dem die Position des Haspeldorns 3 und die Durchbiegung des Haspeldorns 3 als Stellglied 15 in einem Regelkreis mit einem Regler 16 verwendet werden. Die Positionen der jeweiligen Zylinder bzw. Kolben-Zylinder-Anordnung 7, 10, 13 sowie die über den Zylinderdruck der ersten Kolben-Zylinder-Anordnungen 7 sowie die Daten eines Positionssensors 17 zur Erfassung der Position des Haspeldorns 3 werden in dem Regler 16 zur Steuerung von Neigung und Position der Dornstütze 5 verarbeitet. figure 3 shows a control scheme in which the position of the coiler mandrel 3 and the deflection of the coiler mandrel 3 are used as an actuator 15 in a control circuit with a controller 16. The positions of the respective cylinders or piston-cylinder assemblies 7, 10, 13 and the cylinder pressure of the first piston-cylinder assemblies 7 and the data from a position sensor 17 for detecting the position of the coiler mandrel 3 are in the controller 16 for control processed by inclination and position of the spine support 5.

Figur 4 zeigt ein Regelschema, in welchem die Durchbiegung des Haspeldorns 3 als Stellglied 15' einer Regelung für die Planheit des Bandes während des Wickelvorgangs verwendet wird. Mit dem Bezugszeichen 18 ist ein Gerüst eines Walzwerks mit bezeichnet, über das die Planheit des Bandes 9 beeinflussbar ist. Der Regelkreis umfasst eine Planheitsmessung 19 des Bandes 9, deren Messwerte zusammen mit den Werten aus dem Stellglied 15' in einem Planheitsregler 20 verarbeitet werden. Bezugszeichenliste 1 Wendehaspel A Anwickelposition 2 Rotor F Fertigwickelposition 3, 3' Haspeldorne Z Zwischenposition 4 Dornstützeinrichtung BZ Bandzugkraft 5 Dornstütze G Gewichtskraft des Coils 6 Lagerkopf D Drehachse des Rotors 7 erste Kolben-Zylinder-Anordnung K Kreisbahn Haspeldorne 8, 8' Coil S Stützkraft 9 Band α Winkel 10 zweite Kolben-Zylinder-Anordnung β Winkel 11 Dornstützenlager 12 Auflager 13 Schlitten 14 dritte Kolben-Zylinder-Anordnung 15 Stellglied 16 Regler 17 Positionssensor 18 Gerüst 19 Planheitsmessung 20 Planheitsregler figure 4 shows a control scheme in which the deflection of the coiler mandrel 3 is used as an actuator 15' of a control for the flatness of the strip during the winding process. The reference number 18 designates a stand of a rolling mill, via which the flatness of the strip 9 can be influenced. The control loop includes a flatness measurement 19 of the strip 9, the measured values of which are processed in a flatness controller 20 together with the values from the actuator 15'. Reference List 1 turning reel A wrapping position 2 rotor f finish winding position 3, 3' reel mandrels Z intermediate position 4 mandrel support device BZ belt tension 5 spine support G weight of the coil 6 bearing head D Axis of rotation of the rotor 7 first piston-cylinder arrangement K Circular path reel mandrels 8, 8' coil S supporting force 9 tape a angle 10 second piston-cylinder arrangement β angle 11 mandrel support bearing 12 In stock 13 Sleds 14 third piston-cylinder arrangement 15 actuator 16 controller 17 position sensor 18 framework 19 flatness measurement 20 flatness controller

Claims (14)

  1. Reversing coiler (1) with a rotor (2), at which at least one coiler mandrel (3), which is provided with a rotary drive, for winding up strip (9) to form a coil (8) is arranged eccentrically with respect to an axis (D) of rotation of the rotor (2), with at least one driven mandrel support device (4), comprising a mandrel support (5) which has a bearing head for supporting a free end of the at least one coiler mandrel (3), wherein the bearing head (6) is movable together with the coiler mandrel (3) in correspondence with a variable position of the coiler mandrel (3) when the coiler mandrel (3) is transferred from a winding-up position (A) into a finished winding position (F), characterised in that the mandrel support (5) is constructed as a first piston-cylinder arrangement (7) and the mandrel support (5) is pivotably supported by way of a mandrel support bearing (11) on a carriage (13) movable tangentially with respect to a circular path of the coiler mandrel, and the inclination of the mandrel support (5) and the position of the bearing head (6) are so adjustable that the mandrel support (5) is oriented in correspondence with a force R resulting from the weight force of the coil (8) and tension force on the strip (9).
  2. Reversing coiler according to claim 1, characterised in that the mandrel support (5) is adjustable in inclination by way of a setting device fastened to the carriage (13).
  3. Reversing coiler according to one of claims 1 and 2, characterised in that a second piston-cylinder arrangement (10) is provided as setting device for the adjustability of the inclination of the mandrel support (5).
  4. Reversing coiler according to one of claims 1 and 2, characterised in that a hydraulic or electric rotary drive is provided as setting device for the adjustability of the inclination of the mandrel support (5).
  5. Reversing coiler according to any one of claims 1 to 4, characterised in that the carriage (13) is displaceable tangentially with respect to the axis (D) of rotation of the rotor (2) by way of a third piston-cylinder arrangement (14).
  6. Reversing coiler according to any one of claims 1 to 5, characterised by regulating means by which the mandrel support device (4) is so controlled that the mandrel support (5) during the winding-up process follows a circular path of the coiler mandrel (3) at least over a circle segment.
  7. Method of winding up strips, particularly metal strips to form a coil (8), by means of a reversing coiler with a rotor (2), at which at least one coiler mandrel (3), which is provided with a rotary drive, for winding up strip (9) is arranged eccentrically with respect to an axis (D) of rotation of the rotor (2), with at least one driven mandrel support device (4), comprising a mandrel support (5) which has a bearing head (6) for supporting a free end of the at least one coiler mandrel (3), wherein the method comprises the following steps:
    rotating the rotor (2) for transferring the initially empty coiler mandrel (3) to a winding-up position (A),
    engaging under a free end of the coiler mandrel (3) by the bearing head (6) of the mandrel support (5),
    lifting the free end of the coiler mandrel (3) by the mandrel support (5),
    winding-up the strip (9) in the winding-up position (A),
    rotating the rotor (2) for transferring the coiler mandrel (3) together with the wound-up coil (8) to a finished winding position (F), wherein the mandrel support (5) during rotation of the rotor (2) is so adjusted from the winding-up position (A) to the finished winding position (F) that the bearing head (6) remains in load-absorbing engagement with the free end of the mandrel support (5),
    engaging under the coiler mandrel by means of a stationary outer bearing and winding the strip (9) to finished state, wherein
    adjustment of the inclination of the mandrel support (5) before and/or during the winding-up and/or during the transfer of the coiler mandrel (3) to the finished winding position (F) is carried out in such a way that the angle between the mandrel support (5) and a vertical substantially corresponds with the angle between a force (R) resulting from a strip tension force (BZ) and a weight force (G) of the coil (8).
  8. Method according to claim 7, characterised in that the adjustment of the inclination of the mandrel support (5) takes place during rotation of the rotor (2) from the winding-up position (A) to the finished winding position (F).
  9. Method according to one of claims 7 and 8, characterised in that the adjusting movement of the mandrel support (5) is executed at least in part by superimposition of a pivot movement of the mandrel support (5) on a linear movement of the mandrel support device (4).
  10. Method according to any one of claims 7 to 9, characterised in that the free end of the coiler mandrel (3) is supported in dependence on the weight force (G) of the coil (8) and/or the strip tension.
  11. Method according to claim 10, characterised in that the load absorption of the mandrel support (5) in engagement with the free end of the coiler mandrel (3) is measured and the supporting force (S) of the mandrel support (5) is regulated so as to provide compensation for lowering thereof caused by weight force (G) and strip tension (BZ).
  12. Method according to one of claims 10 and 11, characterised in that the supporting force (S) acting on the mandrel support (3) is used as an input variable of a setting element in a regulating circuit.
  13. Method according to any one of claims 10 to 12, characterised in that the supporting force (S) acting on the mandrel support (3) is used as an input variable of a setting element in a regulating circuit provided for regulation of the planarity of the strip (9).
  14. Method according to any one of claims 7 to 13 with use of a reversing coiler with the features of any one of claims 1 to 6.
EP20700790.7A 2019-01-17 2020-01-13 Reversing reel and method for operating a reversing reel Active EP3911457B1 (en)

Applications Claiming Priority (3)

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DE102019200594 2019-01-17
DE102019206951.7A DE102019206951A1 (en) 2019-01-17 2019-05-14 Reversible reel and method for operating a reversible reel
PCT/EP2020/050672 WO2020148225A1 (en) 2019-01-17 2020-01-13 Reversing reel and method for operating a reversing reel

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US20220080485A1 (en) 2022-03-17
CN113348042A (en) 2021-09-03
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WO2020148225A1 (en) 2020-07-23
CN113348042B (en) 2023-06-20
EP3911457A1 (en) 2021-11-24
JP2022516334A (en) 2022-02-25
US11801543B2 (en) 2023-10-31

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