EP3697709A1 - Poste de dévidage - Google Patents

Poste de dévidage

Info

Publication number
EP3697709A1
EP3697709A1 EP18737883.1A EP18737883A EP3697709A1 EP 3697709 A1 EP3697709 A1 EP 3697709A1 EP 18737883 A EP18737883 A EP 18737883A EP 3697709 A1 EP3697709 A1 EP 3697709A1
Authority
EP
European Patent Office
Prior art keywords
unwinding
unwinding device
adhesive
web
primary
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
EP18737883.1A
Other languages
German (de)
English (en)
Other versions
EP3697709B1 (fr
Inventor
Ewald Wetschenbacher
Herbert Illenberger
Ralf-Harald Preising
Matthias Wohlfahrt
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 EP3697709A1 publication Critical patent/EP3697709A1/fr
Application granted granted Critical
Publication of EP3697709B1 publication Critical patent/EP3697709B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • 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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • 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
    • B65H2301/4136—Mounting arrangements not otherwise provided for
    • B65H2301/41361—Mounting arrangements not otherwise provided for sequentially used roll supports for the same 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
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4621—Overlapping article or web portions
    • 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
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4622—Abutting article or web portions, i.e. edge to edge

Definitions

  • the invention relates to a method for unwinding a material web, in particular paper or board web, for a subsequent machine unit for processing the material web, comprising a unwind station comprising a primary unwinding device, at least one secondary unwinding device and at least one gluing and separating device the winding roll is first further unwound in the primary unwinding device and after its transfer in a secondary unwinding device and a new winding reel is inserted into the primary unwinding device and the sticking and separating device in a reel change the web of the secondary unwinding device with the web of the new Winding roller connects and cuts through the current from the secondary unwinding device to the adhesive material web.
  • the invention also relates to a unwinding station for unwinding a material web, in particular paper or board web for a subsequent machine unit for processing the material web with a primary unwinding device, at least one secondary unwinding device and at least one adhesive and separating device, in particular for carrying out the method.
  • Abroll stations of the type discussed here are known. They serve for the continuous unwinding of a material web from a winding roll and are arranged upstream of a machine for processing the material web, for example a coater or a calender.
  • a known unwinding station comprises a primary and a secondary unwinding device, which serve to guide a winding roll.
  • a full winding roll is first guided by the primary unwinding device during the unwinding of the web. From a desired diameter of the winding roll, this is transferred from the primary to the secondary unwinding. Subsequently, the primary unwinding device is fed to a new, full winding roll and the material web wound thereon is connected to the material web running off the take-up reel guided by the secondary unwinding device before this is completely settled.
  • an adhesive and separating device is provided.
  • a device which has a device for severing and holding the running web.
  • the holding device for the running web is pivotally mounted to press this against a substitute full winding roll, at the beginning of the web, an adhesive strip is attached. It is made a connection in which the end of the outgoing web overlaps with the web start of the new winding roll at the splice point.
  • This splicing process is usually done with a rotating new winding roll and is called a flying splice.
  • DE 43 25 944 A1 and EP 1 163 178 A1 describe a splicing device with a holding device for holding the end of the outgoing web, which is fixedly arranged on a web side of the outgoing web and has two holding elements in the web running direction Are spaced apart from each other.
  • a web transport device serves to receive the web beginning of a full winding roll on the circumference and to transport the web start to behind the area of the holding device.
  • For severing the web is a separating knife in a groove of the holding device between the two
  • an up and down movable strip transmitter is arranged, with which an adhesive connecting strip can be moved against the webs.
  • Retaining element, the running track and the beginning of the new track are cut together. This is the new end of the track and the new
  • Buttsplice connection without overlap of the two webs has the advantage that the joint does not have twice the web thickness and also no stepped shoulder (shock) is formed at the Splicestelle.
  • a bump at the splice point may be present in subsequent processing machines
  • the object of the invention is to increase the possibilities of use with the least possible additional effort and high reliability.
  • the object with regard to the method has been solved in that the single secondary unwinding device is arranged between the primary unwinding device and the following machine unit and several, in particular two, gluing and separating devices optionally have different splicing methods for connecting the end of the outgoing material web of the secondary -Abroll fitted with the web start of the new winding roll of the primary unwinding allow.
  • the position of the unwound material web is determined by the choice of the direction of rotation of the winding roll in the primary unwinding device.
  • connection of the web end of the secondary unwinding device to the web end of the full winding reel of the primary unwinding device should advantageously be possible independently of the current or intended direction of rotation of the primary unwinding device.
  • various splice methods make it possible to adapt to the specific conditions of use.
  • a splice method should be feasible upon rotation of the new winding roll, in particular according to the flying-splice principle. This allows a quick change of bobbin and is particularly suitable for lightweight webs. Additionally or alternatively, by means of at least one adhesive and separating device, a splice method should be able to be realized when the new winding roll is at a standstill, in particular according to the butt splice principle.
  • the unwinding station it is essential that the single secondary unwinding device is arranged between the primary unwinding device and the following machine unit, and several, in particular two, holders for different gluing and separating devices are present. The presence of multiple brackets for different adhesive and separating devices, although a small overhead, but greatly expands the capabilities of the unwinding.
  • this allows the start-up of the unwinding station with only a preferred adhesive and separating device and optionally the retrofitting of one or more others.
  • At least one holder carries an adhesive and separating device for implementing the flying-splice principle and / or at least one holder an adhesive and separating device for implementing the butt-splice principle.
  • the production of a connection between the material webs is also facilitated if the primary unwinding device is fixed and the secondary unwinding device is slidably mounted for the purpose of taking over a winding roll to the primary unwinding device.
  • This web tensioning device should preferably be designed as a blowing element, in particular as a blow box or blower tube and / or as a tensioning roller.
  • FIG. 1 shows a schematic partial cross section through a unwinding station
  • Figure 2 the unwinding station when changing roles after the butt-splice principle
  • Figure 3 the unwinding station when changing roles after the flying-splice principle.
  • the unwinding station described below can be used in particular in connection with a slitter-winder or the like as a subsequent machine unit 9.
  • reels 7 material webs 1 are connected to each other, so made endless, so that a continuous processing operation in one of the unwinding - seen in the direction of the web 1 - downstream slitter is possible.
  • the unwinding station has a primary unwinding device 2 with a winding reel drive, only a secondary unwinding device 3 with a winding reel drive and two different gluing and separating devices 5, 6.
  • the working position of the secondary unwinding device 3 is located between the primary unwinding device 2 and the machine unit 9 following in the web running direction 8, i. the slitter.
  • the settlement begins in the primary unwinding device 2, the full winding roller 7 is supplied. On the reel while a winding roll 7 is wound, which may have a diameter of, for example 3500 mm and above.
  • the primary unwinding device 2 and the secondary unwinding device 3 are connected to one another via a guide device, which comprises two rails running parallel to one another and running horizontally.
  • the secondary unwinding device 3 While the primary unwinding device 2 is fixed, the secondary unwinding device 3 together with its drive for the purpose of taking over the already predominantly unwound winding roller 7 along the guide means from its working position to the primary unwinding device 2 and back again slidably mounted.
  • the sprockets provided at their ends with trunnions are each mounted in a receiving fork of the secondary unwinding device 3.
  • the unwinding station after takeover of the winding roller 7 by the secondary unwinding station 3 and subsequent takeover of a new, full winding reel 7 by the primary unwinding station 2.
  • the full winding reel 7 can thereby overcome without a usually common second secondary unwinding device 3 to be transported to the primary unwinding device 3.
  • the rotation direction of the winding roll 7 in the primary 2 and thus also the secondary unwinding device 3 can be selected such that the top side of the material web 1 points towards the downstream machine unit 9 downwards or upwards.
  • the position of the material web 1 in the following machine unit 9 is particularly important if both sides have different material properties and the position of the side in the further processing plays a role. In contrast to known solutions, this is made possible here with only one secondary unwinding device 3, which considerably reduces the expense.
  • the diameter of the winding roll 7 and thus the scope of the unwinding are detected by a distance sensor.
  • this adhesive and separating device separates 5,6 coming from the secondary Abroll adopted 3 web 1 before the junction.
  • the adhesive and separating devices 5, 6, which are known per se and are responsible for connecting the web ends, are located below the primary unwinding device 2 and can be vertically adjustable for adaptation to changing diameters of full winding rolls 7.
  • FIG. 2 shows the adhesive and separating device 5 responsible for the butt-slice process, which is used in particular for heavy paper webs and, in the case of a reel change, the end of the outgoing web 1 with the web start of a new reel 7 bum-free, ie without overlapping two webs 1 connects.
  • this (butt-splice) adhesive and separating device 5 comprises as an integral part a fixed web holding device with two holding elements 13, 14, which are arranged in the web running direction 8 at a distance of approximately 50 mm from one another.
  • Each holding element 13, 14 has a holding surface extending parallel to the material web 1 across the maximum width of the web, with which the material web 1 can be held.
  • the two holding elements 13,14 can be acted upon with vacuum suction boxes whose material web 1 facing wall has suction openings as a holding surface to suck the web 1 and hold so.
  • a separating and adhesive element 4 is arranged on the other side of the material web 1 and is mounted pivotably against the web holding device.
  • the web 1 can be separated by means of circular knives and glued over an adhesive tape.
  • a second adhesive tape applicator is arranged in the space between the two holding elements 13,14, which at a transversely across the Working width movably mounted car is attached.
  • the tail can be glued to the web beginning of a new winding roll on both sides, ie on both sides of the web.
  • a further element which receives in particular in the form of a suction tube, the web start of the full winding roller 7 at its periphery and transported to behind the region of the web holding device.
  • the butt splicing process essentially takes place when the full winding roll 7 is at a standstill and is possible regardless of the intended unwinding direction of the winding roll 7.
  • FIGS. 1 and 3 the adhesive and separating device 6 responsible for the flying-splice method is shown.
  • This (flying-splice) adhesive and separating device 6 of the unwinding station comprises a gluing carriage which holds the gluing roller.
  • a cutting device On the adhesive carriage, a cutting device is mounted, which has a preferably serrated discount blade.
  • FIG. 3 shows the preferred unwinding with the upper side of the material web 1 pointing upwards. Since no additional web tension problems are to be expected here, the splice method can take place at a rotational speed of the full winding roller 7 of the primary unwinding device 2 between 0.1 and 4 m / s.
  • the Abrollstation As shown in Figure 1, a holder 10 for receiving the adhesive and separating device 5 to implement the Butt-Splice principle and a second holder 1 1 for receiving the adhesive and separator 6 for implementing the flying splice principle.
  • the unwind station according to the invention thus allows the selection of the most suitable for the machine and / or the material web 1 splice method.
  • the commissioning with only one adhesive and separating device 5,6 and retrofitting can be done later as well.
  • both adhesive and separating devices 5, 6 use a plurality of guide rollers 12 in common with the web guide.
  • the two bobbin drives are arranged on different sides of the machine. Specifically, there is the larger drive of the primary unwinding device 2 for the full winding roller 7 on the machine side and the smaller drive for the predominantly unwound winding roller 7 of the secondary unwinding 3 on the, accessible to the operator guide page of the machine.
  • the drive of the secondary unwinding device 3 remains coupled after the takeover until the end of the settlement with the winding roll 7, i. the unwind station gets by with two drives.
  • the larger drive of the primary unwinding device 2 is fixed and only the smaller drive displaceable, which simplifies the construction.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

L'invention concerne un procédé destiné au déroulement d'une bande de matériau (1), en particulier d'une bande de papier ou de carton, pour une unité de machine ultérieure (9) destinée au traitement de la bande de matériau (1), comportant un poste de dévidage, lequel comprend un dispositif de dévidage primaire (2), au moins un dispositif de dévidage secondaire (3) ainsi qu'au moins un appareil d'adhésion et de séparation (5, 6), la bobine d'enroulement (7) étant déroulée d'abord dans le dispositif de dévidage primaire (2) puis, après son transfert, étant déroulée en outre dans un dispositif de dévidage secondaire (3), et une nouvelle bobine d'enroulement (7) étant insérée dans le dispositif de dévidage primaire (2), et l'appareil d'adhésion et de séparation (5, 6), lors d'un changement de bobine, reliant la bande de matériau (1) du dispositif de dévidage secondaire (3) avec la bande de matériau (1) de la nouvelle bobine d'enroulement (7), et sectionnant la bande de matériau (1) allant du dispositif de dévidage secondaire (3) au point d'adhésion. À cet effet, l'invention permet d'augmenter les possibilité d'application et la sécurité de fonctionnement à un coût le plus faible possible, par le fait que le dispositif de dévidage secondaire (3) seul est agencé entre le dispositif de dévidage primaire (2) et l'unité de machine suivante (9), et que plusieurs appareils d'adhésion et de séparation (5, 6) autorisent sélectivement différents procédés de raccordement destinés à relier l'extrémité de la bande de matériau arrivant à sa fin (1) du dispositif de dévidage secondaire (3) avec le début de bande de la nouvelle bobine d'enroulement (7) du dispositif de dévidage primaire (2).
EP18737883.1A 2017-10-18 2018-07-05 Poste de dévidage Active EP3697709B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017124237.6A DE102017124237B4 (de) 2017-10-18 2017-10-18 Abrollstation
PCT/EP2018/068175 WO2019076497A1 (fr) 2017-10-18 2018-07-05 Poste de dévidage

Publications (2)

Publication Number Publication Date
EP3697709A1 true EP3697709A1 (fr) 2020-08-26
EP3697709B1 EP3697709B1 (fr) 2021-11-03

Family

ID=62842110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18737883.1A Active EP3697709B1 (fr) 2017-10-18 2018-07-05 Poste de dévidage

Country Status (4)

Country Link
EP (1) EP3697709B1 (fr)
CN (1) CN111247076A (fr)
DE (1) DE102017124237B4 (fr)
WO (1) WO2019076497A1 (fr)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3727339A1 (de) * 1987-08-17 1989-03-02 Hans Beck Vorrichtung zum wechseln von auf eine vorratsrolle aufgewickelten folienbahnen
DE3907136A1 (de) 1989-03-06 1990-09-13 Jagenberg Ag Vorrichtung zum verbinden von materialbahnen
DE4325944A1 (de) 1993-08-03 1995-02-09 Focke & Co Verfahren und Vorrichtung zum Verbinden von Materialbahnen, insbesondere aus Verpackungsmaterial
US5797561A (en) * 1995-07-05 1998-08-25 Voith Sulzer Papiermaschinen Gmbh Unwinding station for fiber webs including a device for performing a flying splice
EP1163178B1 (fr) 1999-03-24 2003-10-15 Voith Paper Patent GmbH Systeme permettant de relier deux bandes de matiere
CN2570223Y (zh) * 2002-09-19 2003-09-03 汕头市华鹰软包装设备总厂有限公司 用于卷筒材料放卷的零速接料装置
US6820837B2 (en) * 2002-12-20 2004-11-23 Kimberly-Clark Worldwide, Inc. Unwind system with flying-splice roll changing
FI118894B (fi) * 2006-03-20 2008-04-30 Metso Paper Inc Menetelmä pituusleikkurin yhteydessä
FI121956B (fi) * 2008-11-10 2011-06-30 Metso Paper Inc Menetelmä kuiturainan pituusleikkurin yhteydessä
CN201381130Y (zh) * 2009-04-27 2010-01-13 西安航天华阳印刷包装设备有限公司 卫星式柔版印刷机不停机自动对接料装置
DE102012103586A1 (de) * 2012-04-24 2013-10-24 Leonhard Kurz Stiftung & Co. Kg Verfahren und Vorrichtung zum Verbinden einer ersten Folienbahn und einer zweiten Folienbahn
CN204137980U (zh) * 2014-09-25 2015-02-04 中烟机械技术中心有限责任公司 对纸带进行动态剪切和拼接的机构
CN105460661B (zh) * 2015-11-30 2017-05-31 陕西北人印刷机械有限责任公司 一种印刷机新旧料对接装置及其对接方法
DE102016211582A1 (de) * 2016-06-28 2017-03-23 Voith Patent Gmbh Abrollstation

Also Published As

Publication number Publication date
EP3697709B1 (fr) 2021-11-03
WO2019076497A1 (fr) 2019-04-25
DE102017124237B4 (de) 2020-10-15
CN111247076A (zh) 2020-06-05
DE102017124237A1 (de) 2019-04-18

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