EP2295356A2 - Procédé et dispositif destinés au remplacement de bobines d'enroulement - Google Patents

Procédé et dispositif destinés au remplacement de bobines d'enroulement Download PDF

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Publication number
EP2295356A2
EP2295356A2 EP10170730A EP10170730A EP2295356A2 EP 2295356 A2 EP2295356 A2 EP 2295356A2 EP 10170730 A EP10170730 A EP 10170730A EP 10170730 A EP10170730 A EP 10170730A EP 2295356 A2 EP2295356 A2 EP 2295356A2
Authority
EP
European Patent Office
Prior art keywords
adhesive
web
transfer element
material web
transfer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10170730A
Other languages
German (de)
English (en)
Other versions
EP2295356A3 (fr
EP2295356B1 (fr
Inventor
Hubert Brand
Christian Pringal
Uwe Webers
Michael Holtwick
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 EP2295356A2 publication Critical patent/EP2295356A2/fr
Publication of EP2295356A3 publication Critical patent/EP2295356A3/fr
Application granted granted Critical
Publication of EP2295356B1 publication Critical patent/EP2295356B1/fr
Not-in-force 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
    • B65H19/286—Attaching the leading end of the web to the replacement web-roll core or spindle by applying adhesive to the web
    • 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
    • B65H19/26—Cutting-off the web running to the wound web roll
    • B65H19/267—Cutting-off the web running to the wound web roll by tearing or bursting
    • 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
    • B65H19/29—Securing the trailing end of the wound web to the web roll
    • 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
    • B65H2301/41419—Starting winding process
    • B65H2301/41424—Starting winding process involving use of glue
    • 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
    • B65H2301/41419—Starting winding process
    • B65H2301/41428—Starting winding process involving additional element between core and web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/52—Surface of the elements in contact with the forwarded or guided material other geometrical properties
    • B65H2404/522—Surface of the elements in contact with the forwarded or guided material other geometrical properties details of surface roughness and/or surface treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/53—Surface of the elements in contact with the forwarded or guided material with particular mechanical, physical properties
    • B65H2404/539—Surface of the elements in contact with the forwarded or guided material with particular mechanical, physical properties other
    • B65H2404/5391—Surface of the elements in contact with the forwarded or guided material with particular mechanical, physical properties other adhesive properties

Definitions

  • the invention relates to a method for changing bobbins in machines for winding webs of material, in particular paper or board webs, on sleeves, in which adhesives are applied to the web for adhering the web start to a new sleeve and / or the web end to a full winding roll wherein the adhesive is first applied to a movable against the web transfer element with lower adhesion than the web, and then the transfer element is moved against the web and passes the adhesive to this.
  • the invention relates to a device having a movable against a material web transfer element to which an adhesive can be applied by an adhesive applicator, and which is movable for transfer of the adhesive against the web, wherein the transfer member has a surface whose Adhesionslitis is lower than that Adhesive capacity of the material web to be processed.
  • Paper and board webs are currently produced in widths of up to 11,000 mm in continuous operation and wound up on reels to form so-called parent reels.
  • the longitudinal direction X-direction, the transverse direction as Y-direction and the height direction perpendicular to a plane defined by these two directions are referred to as Z-direction.
  • the parent rolls can only accommodate a limited length of the endlessly produced web. Once the parent rolls have reached their predetermined diameter, which in practice can be up to 5,000 mm, the web must be separated. While her thus created end is determined on the mother role, the new web start must be connected to a new hub. For this purpose, various methods and devices are known. In the further sequence, manageable rolls are made from the parent rolls for the end user, which are usually called single rolls or finished rolls. To simplify the present document, all cut or uncut, in the x or y direction, to be connected, wound or unwound, web sections are referred to below as partial webs or partial web rolls. The devices required for the production of said single rolls are also familiar to the person skilled in the art.
  • roll cutters are generally called roll cutters and are distinguished in two basic types, namely the roll-mill roll cutters and the back-up roll cutters. Also in the context of the production of single roles, the web must each be separated, fixed their end on the finished roles and her new beginning created to be connected to a new hub.
  • the object of the invention is to provide a method and a device for fast, reliable and cost-effective joining of material web sections.
  • This object is achieved in a method of the type mentioned in that the transfer process is performed by the transfer element by a surface having a higher roughness than the material web.
  • the set change time ie the time in which the winding process is interrupted in order to transfer the material web from a full winding roll, in particular from a full finished roll or a finished roll set, to a new winding tube or a winding tube set
  • the unproductive time is kept particularly short, for example, limited to less than 18 seconds, especially less than 10 seconds, the effectiveness of the entire machine for winding material webs increases considerably.
  • an adhesive transfer can be carried out particularly secure.
  • the speed of the transfer means can be particularly good at the web speed be matched. It may be of particular advantage if the relative speed of the transmission element is synchronized on its, with the adhesive in operative connection, surface to the web speed. In other cases, however, it may be of particular advantage if a positive or negative gradient prevails between the two velocities during the transfer of the adhesive.
  • the material web is weakened or separated by a, with the transfer element at least one functional unit, preferably also a structural unit, forming weakening arrangement in the transverse direction.
  • the transfer element in particular for promoting the adhesive transfer and / or for promoting the weakening or separating process, penetrates into the plane of movement of the material web in such a way that a wrapping angle ( ⁇ ) of at least 4 °, preferably at least 6 °, most preferably at least 10 °, results.
  • the weakening element is moved during the separation process, preferably in at least two degrees of freedom.
  • a weakening element which penetrates the material web around an axis already carries out a movement by one degree of freedom.
  • a movement by a second degree of freedom can be realized for example by an additional stroke, which promotes a piercing of the weakening elements of the weakening arrangement in the material web.
  • the adhesive is applied in at least one track spatially before and / or after a weakening element of the weakening arrangement by the adhesive applicator on the transfer element, wherein preferably the transfer element and / or the adhesive applicator are moved to shape the at least one track.
  • both Endverklebache, as well as Combinsverklebitch be prepared independently of each other or combined and realized.
  • the transfer means and / or the adhesive means are moved, the most varied courses of adhesive traces can be applied to the transfer means. In this case, it is possible, for example, to achieve continuous or interrupted tracks running parallel to one another, crawler tracks or sinusoidal tracks, zigzag shapes or other progressions.
  • the transfer means is moved, for example moved radially and / or axially in an oscillating manner, then the different forms of the adhesive tracks are particularly easy to produce, since the adhesive application device has partly complex supply units of the consumables which otherwise have to be moved.
  • liquid or spray-like adhesives are used, the application quantity and the areal distribution can be chosen particularly well and varied particularly easily. Furthermore, these adhesives are particularly inexpensive. Bonding with adhesives stored on carrier layers, on the other hand, is particularly convenient.
  • the adhesive in particular during the processing of partial web rolls, with recesses, preferably in coordination with the part web edges, on the transfer element, or transferred from the transfer element to the web.
  • a repair method can also be used where the material web is not yet divided longitudinally or in winding processes that provide no longitudinal division or only a trim edge, use.
  • the object of the invention is achieved in a device of the type mentioned above in that the surface of the transfer element has a higher roughness than the material web to be processed.
  • the surface of the transfer element has a higher coefficient of friction ( ⁇ H , ⁇ R ) than the material web to be processed.
  • ⁇ R sliding friction coefficient
  • the transfer element is formed by a roller.
  • the device is particularly easy to form, since the entire transfer process can be realized only as a result of rotations of the roller.
  • the device is also particularly simple tax relationship or adjustable and extremely resistant to interference and maintenance.
  • the device is then particularly compact can be formed, since the adhesive application to the transfer element, here on the roller, more specifically the roll surface, on the side opposite the web of the roller is feasible.
  • the provided with adhesive roll shell portion is then easily brought into operative contact with the web by twisting and thereby accelerated to a desired peripheral speed.
  • the roll surface only partially the functional layer of a, the independent device claim corresponding surface must have.
  • a weakening element is part of the weakening arrangement, which is movable in at least two degrees of freedom, and in particular adjustable.
  • the weakening element is movable in the height direction and preferably adjustable.
  • the penetration depth or the fürdringungsüberstand is variable and preferably adjustable by releasable fixing.
  • the penetration angle of the weakening element is variable and in particular adjustable.
  • the weakening element is movable and in particular releasably fixable in the transverse direction to the material web running direction.
  • the weakening element may also be movable to assist in weakening or severing during penetration into the web. If the weakening element is arranged on or in a roller, it is of particular advantage if the roller is ground behind or eccentric.
  • the weakening element is adaptable to a variety of requirements and can selectively, quickly and safely weaken or sever very different paper types and paper grammages at different web speeds.
  • the adhesive can be applied in at least one track spatially before and / or after the weakening element by the adhesive applicator to the transfer element, wherein preferably the transfer element and / or the adhesive application device for shaping the at least one track are movable.
  • the adhesive application device is preferably more liquid for application and / or spray-like and / or adhesively bonded to a carrier layer.
  • the adhesive application device is designed for the application of liquid or spray-like adhesives, adhesions can be produced particularly inexpensively and the application quantity and the areal distribution can be varied particularly well. If the adhesive applicator is suitable for the application of adhesives stored on carrier layers, bonding is particularly easy to implement. In particular, in the design of liquid or spray-like adhesives aggregates for controlling the temperature of the adhesive and / or cleaning devices are advantageous.
  • a control / regulation is provided, by means of which the device can be controlled / regulated, and which is connected in particular to a higher-level control system and, in particular, with at least one sensor for the detection of partial track wheels, cracks or defects and / or or at least one sensor for detecting path parameters, in particular the instantaneous path speed, is connected.
  • the device can be adapted to it, in particular synchronized.
  • the set change time ie the time required to transfer the winding process from a full winding roll to a new winding tube
  • the efficiency of the entire web winding machine considerably increases.
  • an adhesive transfer is particularly secure executable.
  • the device is then used for damage reduction in event of web breaks or the like.
  • a device according to the invention can also be retrofitted into existing machines for winding material webs.
  • FIG. 1 a machine 15 for winding webs 2 is shown, which has a settlement 19, a cutting section 20 and a winding 21.
  • a machine 15 is commonly referred to as Winder known.
  • a so-called double-carrier roller slitter is shown here, which has two eponymous carrier rollers 22 on which the partial webs previously cut in the cutting section 20 from the full width web are wound on sleeves 18 to partial web rolls / finished rolls 17.
  • a reel cutting device is a so-called backup roll reel cutting device or a so-called belt winding device.
  • the method according to the invention is to be applied to a rewinding device in which a master reel 16 is rewound by the web.
  • set change time is understood to mean the time required to transfer the winding process from a full winding roll, here in particular a full part-web roll 17, to a new winding core 18.
  • set change times occur particularly frequently in the production and processing of material webs on roll cutting devices.
  • a set of full web rolls 17 is produced approximately every 4 to 8 minutes. With average every 6 minutes pending set changes, resulting in 24 hours operation already the considerable number of 240 set changes.
  • an adhesive 5 is applied by an adhesive application device 6 to a transfer element 3.
  • the transfer element 3 is designed as a roller, which has a surface 4 in sections, which has a lower adhesion, but a higher roughness than the material web 2.
  • the roller has a diameter of about 150 mm, although other diameters are conceivable.
  • the roller accommodates a weakening element 7 and an adjusting device 8 provided for this purpose.
  • the adjusting device is suitable for setting and releasably fixing the angle at which the weakening element 7 enters the material web. Due to the illustrated roller-shaped design of the adjusting device 8, said angle is infinitely adjustable in a defined range.
  • the distance of the active surfaces of the weakening element 7 to the surface 4 of the transfer element 3 by the adjusting device 8 is freely selectable.
  • the weakening element 7, in particular by the adjusting device 8, during the weakening or separation process to carry out an additional movement is driven.
  • the anvil is here formed by a plurality of rows of brushes, which is arranged over the entire material web width, more precisely over the entire width of the added partial web widths.
  • the anvil 8 could be formed by a groove in a rotatable roller or a roller with a soft surface.
  • an embodiment by one or more spring plates or other conceivable. It would also be conceivable that the transfer element 3, the counter bearing 8 for a, outside the
  • Transfer element 3 located weakening element 7, represents.
  • An abutment 8 is not required if, as in FIG. 4 shown, the transfer element 3 penetrates so far in the plane of movement E of the material web 2 that forms a wrap angle ⁇ of the web 2 on the transfer element 3, through which a sufficiently large contact voltage between web 2 and transfer element 3 can be entered, so that a cleaner Weakening or separation process without significant dodging of the web 2 is guaranteed.
  • the weakening process can be provided detached from the transfer of the adhesive 5 by means of a separate device. In the FIG. 2 It can be seen that the adhesive 5 is located on the surface 4 in the form of a sinusoidal track 10.
  • the shape of the track 10 was achieved by oscillating the transfer element 3, while the adhesive 5 was applied by an adhesive applicator 6, not shown in this figure, which was moved along the Y direction. It is likewise conceivable that a plurality of adhesive application devices 6 or a single adhesive application device 6 with several adhesive application units, for example glue nozzles, are provided over the required width Y. Also, a pivoting device for the at least one adhesive applicator 6 is conceivable. An adhesive applicator 6 is shown schematically in FIG FIG. 3 displayed. It may preferably be positioned particularly close to the transfer element 3 or even form an assembly for the compact design of the entire device 1, preferably with the transfer element 3 and the weakening arrangement 7-9. An exemplary positioning of the device 1 in the machine for winding webs 15 is made FIG. 1 removable.
  • a transmission element according to the invention is shown schematically in three temporally successive positions.
  • a liquid or spray-like adhesive 5 is applied from an adhesive device 6 on the surface 4 of the transmission element 3.
  • the roller forming the transfer element 3 preferably clocked, is rotatable in its counterclockwise direction and in a definable angular range around its axis.
  • the roller is then, preferably by a larger angle, to achieve a, shown in the central image position position, rotatable. In this position, there is no contact between the transfer element 3 and the material web 2.
  • the material web and a back-ground area of the roller are directly opposite one another.
  • the measures necessary for pre-positioning that is to say in particular the application of the adhesive or adhesives 5 to the surface 4 of the transfer element 3 and its positioning, can be carried out simultaneously with the winding process of the material web 2 without adversely affecting the winding process.
  • these time-consuming preparatory work can be subtracted from the time required for the set change.
  • the adhesive may remain on the surface 4 of the transfer element 3 until a bobbin change is desired.
  • the transfer element is accelerated in the illustrated embodiment in a clockwise direction and can do the necessary for the set change bonding and weakening tasks in seconds.
  • the first adhesive trace 10 which forms a subsequent final bonding, first comes into contact with the material web 2 and is transferred cleanly from the surface 4 of the transfer element 3 to the material web during the rotational movement, or is removed therefrom.
  • the weakening element 7 comes into contact with and penetrates the material web 2 In the present case, at least in sections, over the width Y.
  • the second adhesive agent trace 10 forming a subsequent initial bonding is also reliably transferred. Thereafter, the rotational movement of the transfer element is decelerated to a standstill.

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  • Replacement Of Web Rolls (AREA)
  • Coating Apparatus (AREA)
EP20100170730 2009-09-10 2010-07-26 Procédé et dispositif destinés au remplacement de bobines d'enroulement Not-in-force EP2295356B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200910029338 DE102009029338A1 (de) 2009-09-10 2009-09-10 Verfahren und Vorrichtung zum Wechseln von Wickelrollen

Publications (3)

Publication Number Publication Date
EP2295356A2 true EP2295356A2 (fr) 2011-03-16
EP2295356A3 EP2295356A3 (fr) 2011-11-23
EP2295356B1 EP2295356B1 (fr) 2013-07-24

Family

ID=43304762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100170730 Not-in-force EP2295356B1 (fr) 2009-09-10 2010-07-26 Procédé et dispositif destinés au remplacement de bobines d'enroulement

Country Status (3)

Country Link
EP (1) EP2295356B1 (fr)
CN (1) CN102020127A (fr)
DE (1) DE102009029338A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013204661A1 (de) 2013-03-18 2014-09-18 Voith Patent Gmbh Verfahren und Vorrichtung zum Wechseln von Wickelrollen
WO2015028165A1 (fr) * 2013-08-29 2015-03-05 Voith Patent Gmbh Dispositif de dévidage de rouleaux de bandes continues de matière fibreuse et procédé de bobinage
DE102013218877A1 (de) 2013-09-19 2015-03-19 Voith Patent Gmbh Vorrichtung zum Wechseln von Wickelrollen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012223321A1 (de) 2012-12-17 2013-12-12 Voith Patent Gmbh Schwächungsvorrichtung
US11214461B2 (en) * 2015-03-25 2022-01-04 Gpcp Ip Holdings Llc Slip resistant core for holding a paper web
DE102019117180A1 (de) * 2019-06-26 2020-12-31 Hauni Maschinenbau Gmbh Vorrichtung und Verfahren zum Verbinden von zwei jeweils von einer Bobine ablaufenden Materialbahnen

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IT1267563B1 (it) * 1993-12-10 1997-02-05 Perini Fabio Spa Erogatore di collante e dispositivo impiegante detto erogatore
IT1286563B1 (it) * 1996-03-05 1998-07-15 Perini Fabio Spa Macchina ribobinatrice incorporante un incollatore per i rotoli completati e relativo metodo di avvolgimento
AT406255B (de) * 1998-01-13 2000-03-27 Andritz Patentverwaltung Verfahren und vorrichtung zum wechseln von rollen bei papiermaschinen
AU2001293582A1 (en) * 2000-09-29 2002-04-08 Kt Holdings Inc. Winding of strip material
US20050194489A1 (en) * 2004-03-05 2005-09-08 Rodriguez Peter A. Transfer tape and method for cutting and spooling a paper web
ITMI20042546A1 (it) * 2004-12-29 2005-03-29 Giovanni Gambini Dispositivo per distribuire colla su un lembo di estremita' di un log su un log o su un'anima per log e relativo metodo
TW200904735A (en) * 2007-07-27 2009-02-01 Chan Li Machinery Co Ltd Glue applying mechanism for thin paper winding device and glue applying method
CN201095554Y (zh) * 2007-10-30 2008-08-06 郭超毅 一种连续运转的卷筒纸封尾机

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013204661A1 (de) 2013-03-18 2014-09-18 Voith Patent Gmbh Verfahren und Vorrichtung zum Wechseln von Wickelrollen
WO2015028165A1 (fr) * 2013-08-29 2015-03-05 Voith Patent Gmbh Dispositif de dévidage de rouleaux de bandes continues de matière fibreuse et procédé de bobinage
DE102013218877A1 (de) 2013-09-19 2015-03-19 Voith Patent Gmbh Vorrichtung zum Wechseln von Wickelrollen
WO2015039794A1 (fr) * 2013-09-19 2015-03-26 Voith Patent Gmbh Dispositif de remplacement de rouleaux d'enroulement

Also Published As

Publication number Publication date
EP2295356A3 (fr) 2011-11-23
CN102020127A (zh) 2011-04-20
EP2295356B1 (fr) 2013-07-24
DE102009029338A1 (de) 2011-03-24

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