EP1721847B1 - Dispositif pour enrouler une bande - Google Patents

Dispositif pour enrouler une bande Download PDF

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Publication number
EP1721847B1
EP1721847B1 EP20060111319 EP06111319A EP1721847B1 EP 1721847 B1 EP1721847 B1 EP 1721847B1 EP 20060111319 EP20060111319 EP 20060111319 EP 06111319 A EP06111319 A EP 06111319A EP 1721847 B1 EP1721847 B1 EP 1721847B1
Authority
EP
European Patent Office
Prior art keywords
material web
auxiliary device
roll winding
winding device
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.)
Expired - Fee Related
Application number
EP20060111319
Other languages
German (de)
English (en)
Other versions
EP1721847A3 (fr
EP1721847A2 (fr
Inventor
Hermann Albert Stitz
Josef Nelles
Alexander Klupp
Jürgen Wolf
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1721847A2 publication Critical patent/EP1721847A2/fr
Publication of EP1721847A3 publication Critical patent/EP1721847A3/fr
Application granted granted Critical
Publication of EP1721847B1 publication Critical patent/EP1721847B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
    • 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
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • 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
    • B65H2301/417—Handling or changing web rolls
    • B65H2301/4171—Handling web roll
    • B65H2301/4173—Handling web roll by central portion, e.g. gripping central portion
    • B65H2301/41734—Handling web roll by central portion, e.g. gripping central portion involving rail
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/84—Paper-making machines

Definitions

  • the invention relates to a roll winding device with a material web source and a winding station, which has at least one winding position, and an auxiliary device which detects a material web in the region of the material web source in full width.
  • Such a reel winding device is made EP 0 820 946 B1 known.
  • the material web source is formed by a supply roll, for example a spool.
  • the material web after it has been deducted from the supply roll, passed over a cutting device which cuts a tip of the material web.
  • the roll winding device has at least one knife which, when the material web is pulled through, extends transversely to the direction of movement of the material web is laterally displaceable. In this way it is possible to produce a cut with the knife, which runs at an angle to the direction of movement of the material web.
  • the tip has the advantage that the material web can be handled more easily. But it has several disadvantages.
  • a roller winder is known in which the auxiliary device is used to move the web from the unwinding station to the winding station.
  • the invention has for its object to improve the automation possibilities.
  • auxiliary device from the material web source to the winding station is movable, wherein the auxiliary device has two spaced apart and co-moving carrier devices, each of which has a drive motor and both drive motors with the same Tensile force acting on the auxiliary device.
  • both drive motors are operable at the same moment. This is a simple measure to generate equal tensile forces. If both drive motors operate at the same moment, then the material web stabilizes itself, so to speak. It is thus pulled in a straight line from the material web source to the winding station.
  • the driver devices have a distance from one another which corresponds at least to the width of the material web.
  • the auxiliary device is gripped at two remote points and moved from the material web source to Aufwickelstation. This results in increased stability.
  • both drive motors are each connected to a respective drive motor feeding frequency converter.
  • a frequency converter makes it easy to operate both drive motors at the same moment.
  • both drive motors are positionally adjustable. This is especially true when the drive motors are also used to move the auxiliary device back to its starting position at the material web source with the help of the entrainment devices.
  • the two entrainment facilities namely not the stabilizing element of the material web between them. Nevertheless, a clear positioning can be achieved if one controls the position of the drive motors and thus the position of the auxiliary device.
  • the auxiliary device is designed as a tube which is connected to a motor which acts on the tube at a predetermined moment.
  • a certain tension in the material web can be maintained while the material web is drawn from the material web source to the take-up station.
  • This tension causes two things: First, the material web is held on the tube. For this it is only necessary that one winds the web with a few turns on the tube. If the motor then rotates the tube further in the winding direction, then the material web remains wound up.
  • the motor can then compensate for minor fluctuations in the feed of the material web from the material web source, so that the auxiliary device can be pulled from the material web source to the take-up station with a substantially constant or at least vibration-free movement, even if the material web is fed at different speeds for some reason .
  • the predetermined moment of the engine must not exceed a certain limit. It may only be so small that the web does not tear. Accordingly, it may be necessary be to use different moments with different material webs.
  • the engine is arranged in the pipe. This ensures that the material web can be kept below the pipe during the entire movement under the desired tension, without the need for a movement or a transmission or other power transmission in order to load the pipe with the desired moment.
  • the engine requires no additional space, because it is housed in the pipe.
  • the auxiliary device carries with it an energy source.
  • the engine can continuously produce the desired torque without having to supply the energy required for this purpose from the outside. Accordingly, it is not necessary, for example, to loop along cables or lines or to slide a current collector along a rail.
  • the energy source is designed as an accumulator.
  • An accumulator is a rechargeable battery that can easily carry the required amount of energy. Since the engine basically only needs to generate a moment, but otherwise does not have to give up more power, the energy consumption is also relatively low.
  • the accumulator is connected to a non-contact charging device.
  • a charging device can be electrical energy, for example inductively transmitted, so that you have to make no line connection between the movable auxiliary device and an electrical power supply for charging the battery.
  • the motor is connected to a control device without a lead.
  • the control of the motor thus also takes place without contact, for example via proximity switches, via radio or the like.
  • the entrainment means are formed as chains. This makes it possible to design more or fewer arbitrary paths that the auxiliary device can cover.
  • the material web source is formed as Abwikkelstation in which a spool is arranged, which is connected to a variable speed drive.
  • the speed-controlled drive drives the spool so that it can deliver the material web at a predetermined speed.
  • This speed corresponds to the speed with which the auxiliary device is guided from the unwinding station to the rewinding station.
  • Even with a variable-speed spool it can certainly come in the starting phase to certain torsional vibrations, because the mass of such a spool can be relatively large. These vibrations in the speed at which the material web is supplied, can be easily compensated by the motor in the tube.
  • Fig. 1 shows a schematic representation of a roll winding device 1 with an unwinding station 2 and a winding station 3. Between the unwinding station 2 and the winding station 3, a longitudinal cutting device 4 is arranged.
  • an unwinding station it is also possible to provide another material web source, for example a calender or an on-line paper machine, optionally with calender or other processing devices for the material web.
  • an unwinding position 5 is provided.
  • a pay-off bearing 6 in which a spool 7 is rotatably mounted.
  • a mother roll 8 To the drum 7 a mother roll 8 réellewikkelt, of which a rest still in Fig. 1 is recognizable.
  • a web 9 is withdrawn.
  • This material web 9 is in the longitudinal cutting device 4 cut into several sub-webs and wound in the winding station 3 to a plurality of winding rollers 10, of which in Fig. 1 only one is recognizable, because these bobbins 10 are in a direction perpendicular to the plane behind the other.
  • the unwinding 6 is suitable for higher speeds.
  • the material web 9 can be removed at a speed of 2000 to 3000 m / min.
  • the winding rollers 10 rest on two support rollers 11, 12, of which at least one is driven.
  • a loading roller 13 may be provided to influence the winding process.
  • a back-up roll winder in which the winding rollers 10 are held centrally and abut against a support or contact roller.
  • the unwinding station 2 also has a preparation position 14, in which a further reel 15 with a new master reel 16 is kept ready.
  • the preparation position has a preparation bearing 17, which also allows a rotation of the main cylinder 15, but is less expensive, because the necessary rotation speeds are much lower.
  • the preparation bearing 17 and the unwinding bearing 6 are interconnected by a raceway 18, on which the spool 15 in the preparation position 14 to the unwinding position 5 can roll when a reel change is required.
  • the mother roll 16 is prepared. As a rule, some layers of the material web are unwound and disposed of in preparation. This process is also referred to as "stalling".
  • a pulper opening 19 is provided which is arranged below the preparation position 14 in such a way that the material web 9 hanging down under the effect of gravity impinges on the pulper opening 19. Since the parent roll 16 does not always have the same radius, the position of the drooping web 9 will move slightly. However, the pulper opening 19 is so large that it can catch the falling web of material.
  • a hopper 20 may be additionally provided.
  • the roll winding device 1 For insertion, the roll winding device 1 an auxiliary device 21, which in Fig. 1 is shown in different positions. In different Positions, the auxiliary device 21 for discrimination with small letters (a, b, c) is provided.
  • the auxiliary device 21 is guided on a movement path 22, which is shown as a dashed line.
  • the trajectory is realized by rails or guides, which are arranged on both sides of the web 9 outside its width.
  • a chain 47, 48 ( Fig. 2 ), a belt or a rope whose drive will be explained below.
  • the auxiliary device 21 is now from the left (based on the representation of Fig. 1 ) moved up to the under the action of gravity vertically down hanging web 9 and attached to the web.
  • a transverse cutting device 23 can be actuated, which separates a superfluous portion 24 of the material web 9. This section 24 then also falls into the pulper opening 19.
  • the transverse cutting device 23 is displaceable in the direction of a double arrow 25 to differences in the radius of the parent roll 16th catch, which are reflected in different positions of the drooping web 9.
  • a change in the position of the material web 9 is not critical, because it can be moved along the path of movement 22 anyway.
  • the auxiliary device 21 is then displaced along the movement path 22 to the winding station 3 and thereby guides the material web 9 by a plurality of deflection rollers 26-29 to the winding station 3.
  • the movement path 22 keeps sufficient distance to the deflection rollers 26-29, so that the material web 9, which is pulled behind the auxiliary device 21, the deflection rollers 26 so wraps around, as is required later in operation.
  • the auxiliary device 21 does not come into collision with the deflection rollers 26-29. Simultaneously with the guiding of the beginning of the material web, the new master roll 16 can be displaced into the unwinding position 5.
  • the cutting device has an upper cross member 30 with upper blades 31 and an lower cross member 32 with lower blades 33.
  • the lower crosshead 32 is displaced in the direction of a double arrow 34, so that the lower blade 33 can be displaced on the cutting position shown in phantom in a continuous position shown by solid lines.
  • the longitudinal cutting device 4 thus has a cutting state in which the material web 9 can be cut into a plurality of partial webs, and a continuous state in which the upper blade 31 and lower blade 33 have a distance from each other which is so large that the auxiliary device 21 can be easily passed between the upper blade 31 and the lower blade 33.
  • the longitudinal cutting device 4 is closed again, so that the longitudinal sections begin at a relatively short distance from the auxiliary device 21. This distance can be 0.5 to 1 m.
  • the auxiliary device continues to move until, in a position 21c, it brings the material web into abutment with a support roller 12.
  • the entire process described so far runs under full width, i. the web 9 is taken in full width by the auxiliary device 21, conveyed in full width by the longitudinal cutting device 4 and applied to the support roller 12 in full width. There it can be held for example by suction.
  • the auxiliary device 21c is then further rotated until the longitudinal cuts generated by the longitudinal cutting device 4 arrive at the support roller 12. Thereafter, a cross cutter 35 comes into action, which cuts through the material web 9 between the auxiliary device 21 c and the support roller 12. Once the web 9 has arrived at the support roller 12, it is in a so-called "winding position". The cross cutter 35 can then be displaced in the direction of a double arrow 36 to the support roller 12 and the material web 9 between the auxiliary device 21c and the winding position, ie the support roller 12 cut.
  • the auxiliary device 21c can be moved back to its original position.
  • the cross cutter 35 is moved out of the path of movement of the auxiliary device 21c before the renewed process in the direction of the double arrow 36.
  • the auxiliary device 21c can thus be moved back during winding to its original position, so that the loss of time is extremely low.
  • the starting position is located above the pulper opening 19, so that the web rest wound onto the auxiliary device 21 can be disposed of by simply unwinding into the pulper opening 19.
  • Fig. 2 now shows the auxiliary device 21 with further details.
  • the auxiliary device 21 is formed as a tube.
  • a motor 43 is arranged in the tube.
  • the motor 43 is connected to an accumulator 44 as energy storage.
  • the accumulator 44 that is a rechargeable battery, can be charged via a charger 45.
  • the charger 45 is in a position in which the auxiliary device 21 "waits" for the material web coming down from the drum 8. It is thus possible to ensure in a simple manner that the accumulator 44 is always sufficiently charged to drive the motor 43 in such a way that it can be driven at a constant torque when the auxiliary device 21 moves from the unwinding station 2 to the winding station 3. At this moment, the web 9 is only held on the auxiliary device 21. The moment is not so great that the web 9 breaks.
  • the motor 43 is not used for propulsion of the auxiliary device. He only serves to turn the tube and to keep the web 9 under tension.
  • the drum 8 is driven by a drive 46.
  • the drive 46 is a variable-speed drive. He serves when performing the web 9 to drive the spool 8 at a relatively low speed. This speed must only be so great that the material web 9 is tracked in sufficient quantity so that it does not abwikkelt against the moment of the motor 43 of the tube of the auxiliary device 21. Since the drum 8 can usually have a relatively high moment of inertia, there is a risk under unfavorable conditions that it begins to vibrate when starting. This would lead to an uneven delivery of the material web. However, this is not a problem because the motor 43 ensures with its constant moment that the auxiliary device 21 in such differences in speed always sufficient web 9 winds or releases.
  • the drive 46 can of course also be used to drive the spool 8.
  • the auxiliary device 21 is attached at its two ends to chains 47, 48. Both chains can be along the in Fig. 1 shown movement path 22 are moved. The necessary pulleys or gears are in Fig. 2 not shown for reasons of clarity.
  • the chain 47 is engaged with a drive pinion 49 driven by a drive motor 50.
  • the chain 48 is engaged with a drive sprocket 41 driven by a drive motor 52.
  • Both drive motors 50, 52 are each fed by a frequency converter 53, 54, wherein the two frequency converters can also be arranged together in a housing or driven by a common control device.
  • the frequency converters 53, 54 drive the drive motors 50, 52 to deliver the same torque.
  • the two chains 47, 48 are pulled with the same force and the auxiliary device 21 is acted upon at its two ends with the same force.
  • the drive 46 rotates the spool 8
  • the same force on the chains 47, 48 ensures that the material web is always pulled in the desired direction. So it can not go left or right. Also, non-uniform stresses across the width of the web 9 are avoided, so that the risk that the web 9 breaks, is extremely small.
  • the motor 43 can be controlled by a control device, also not shown, for example, to wind the web 9 in the field of the spool 8 or wind in the field of winding station 3.

Landscapes

  • Replacement Of Web Rolls (AREA)

Claims (13)

  1. Dispositif d'enroulement en rouleau, comprenant une source de bande de matériau et un poste d'enroulement qui présente au moins une position d'enroulement, et un dispositif auxiliaire qui saisit sur toute sa largeur une bande de matériau dans la région de la source de bande de matériau, le dispositif auxiliaire (21) pouvant être déplacé depuis la source de bande de matériau (2) jusqu'au poste d'enroulement, le dispositif auxiliaire (21) présentant deux dispositifs d'entraînement (47, 48) disposés à distance l'un de l'autre et déplaçables dans le même sens, caractérisé en ce que chacun des deux dispositifs d'entraînement présente un moteur d'entraînement (50, 52) et les deux moteurs d'entraînement (50, 52) agissent avec la même force de traction sur le dispositif auxiliaire (21).
  2. Dispositif d'enroulement en rouleau selon la revendication 1, caractérisé en ce que les deux moteurs d'entraînement (50, 52) peuvent être entraînés avec le même couple.
  3. Dispositif d'enroulement en rouleau selon la revendication 1 ou 2, caractérisé en ce que les dispositifs d'entraînement (47, 48) présentent une distance l'un par rapport à l'autre qui correspond au moins à la largeur de la bande de matériau (9).
  4. Dispositif d'enroulement en rouleau selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les deux moteurs d'entraînement (50, 52) sont à chaque fois connectés à un convertisseur de fréquence (53, 54) alimentant le moteur d'entraînement respectif (50, 52).
  5. Dispositif d'enroulement en rouleau selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la position des deux moteurs d'entraînement (50, 52) peut être réglée.
  6. Dispositif d'enroulement en rouleau selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le dispositif auxiliaire (21) est réalisé sous forme de tube, qui est raccordé à un moteur (43) qui agit sur le tube avec un couple prédéterminé.
  7. Dispositif d'enroulement en rouleau selon la revendication 6, caractérisé en ce que le moteur (43) est disposé dans le tube.
  8. Dispositif d'enroulement en rouleau selon la revendication 6 ou 7, caractérisé en ce que le dispositif auxiliaire (21) porte avec lui une source d'énergie (44).
  9. Dispositif d'enroulement en rouleau selon la revendication 8, caractérisé en ce que la source d'énergie (44) est réalisée sous forme d'accumulateur.
  10. Dispositif d'enroulement en rouleau selon la revendication 9, caractérisé en ce que l'accumulateur (44) est connecté à un dispositif de charge (45) fonctionnant sans contact.
  11. Dispositif d'enroulement en rouleau selon l'une quelconque des revendications 6 à 10, caractérisé en ce que le moteur (43) est connecté sans ligne à un dispositif de commande.
  12. Dispositif d'enroulement en rouleau selon l'une quelconque des revendications 1 à 11, caractérisé en ce que les dispositifs d'entraînement (47, 48) sont réalisés sous forme de chaînes.
  13. Dispositif d'enroulement en rouleau selon l'une quelconque des revendications 1 à 12, caractérisé en ce que la source de bande de matériau est réalisée sous forme de poste de déroulement (2) dans lequel est disposé un tambour (8) qui est connecté à un entraînement (46) dont la vitesse de rotation est régulée.
EP20060111319 2005-05-14 2006-03-17 Dispositif pour enrouler une bande Expired - Fee Related EP1721847B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510022467 DE102005022467A1 (de) 2005-05-14 2005-05-14 Rollenwickeleinrichtung

Publications (3)

Publication Number Publication Date
EP1721847A2 EP1721847A2 (fr) 2006-11-15
EP1721847A3 EP1721847A3 (fr) 2007-08-22
EP1721847B1 true EP1721847B1 (fr) 2012-08-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060111319 Expired - Fee Related EP1721847B1 (fr) 2005-05-14 2006-03-17 Dispositif pour enrouler une bande

Country Status (2)

Country Link
EP (1) EP1721847B1 (fr)
DE (1) DE102005022467A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4345964A1 (fr) * 2022-09-28 2024-04-03 Komatsu NTC Ltd. Dispositif de transport de bande

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202014100203U1 (de) * 2014-01-20 2015-04-21 Krones Ag Einführeinrichtung für Etikettenbänder
IT201600117182A1 (it) * 2016-11-21 2018-05-21 Futura Spa Ribobinatrice.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944345A (en) * 1958-01-30 1960-07-12 Time Inc Drive mechanism for web threading apparatus
US4179330A (en) * 1978-09-05 1979-12-18 Page Robert E Apparatus for handling web material, and method
DE2920329C3 (de) * 1979-05-19 1988-06-16 Vits Maschinenbau Gmbh Vorrichtung zum einziehen einer warenbahn in einen schwebetrockner
DE20110682U1 (de) * 2001-06-27 2001-08-30 Voith Paper Patent Gmbh Vorrichtung zum Führen eines Aufführstreifens
US20040256434A1 (en) * 2003-06-23 2004-12-23 Allan Broom Tail rail

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4345964A1 (fr) * 2022-09-28 2024-04-03 Komatsu NTC Ltd. Dispositif de transport de bande

Also Published As

Publication number Publication date
DE102005022467A1 (de) 2006-11-16
EP1721847A3 (fr) 2007-08-22
EP1721847A2 (fr) 2006-11-15

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