EP3665112A1 - Poste de dévidage - Google Patents

Poste de dévidage

Info

Publication number
EP3665112A1
EP3665112A1 EP18750432.9A EP18750432A EP3665112A1 EP 3665112 A1 EP3665112 A1 EP 3665112A1 EP 18750432 A EP18750432 A EP 18750432A EP 3665112 A1 EP3665112 A1 EP 3665112A1
Authority
EP
European Patent Office
Prior art keywords
web
unwinding
unwinding device
primary
new winding
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
EP18750432.9A
Other languages
German (de)
English (en)
Other versions
EP3665112B1 (fr
Inventor
Ralf-Harald Preising
Matthias Wohlfahrt
Ewald Wetschenbacher
Herbert Illenberger
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 EP3665112A1 publication Critical patent/EP3665112A1/fr
Application granted granted Critical
Publication of EP3665112B1 publication Critical patent/EP3665112B1/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
    • B65H19/181—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll
    • B65H19/1815—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll the replacement web being stationary prior to 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
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/181—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll
    • B65H19/1821—Flying splicing, i.e. the expiring web moving during splicing contact taking place on the replacement roll the replacement web being accelerated or running prior to 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
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1863—Support arrangement of web rolls with translatory or arcuated movement of the roll supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
    • B65H23/08—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on web roll being unwound
    • B65H23/085—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle acting on web roll being unwound and controlling web tension
    • 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
    • B65H2301/412—Roll
    • B65H2301/4128—Multiple rolls
    • B65H2301/41284—Multiple rolls involving juxtaposed lanes wound around a common axis
    • B65H2301/412845—Multiple rolls involving juxtaposed lanes wound around a common axis and spliced to each other, e.g. for serial unwinding
    • 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
    • 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
    • B65H2301/4135—Movable supporting means
    • B65H2301/41352—Movable supporting means moving on linear path (including linear slot arrangement)
    • 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
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/446—Assisting moving, forwarding or guiding of material
    • B65H2301/4462—Assisting moving, forwarding or guiding of material by jogging
    • 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
    • B65H2301/461—Processing webs in splicing process
    • B65H2301/4615—Processing webs in splicing process after splicing
    • B65H2301/4617—Processing webs in splicing process after splicing cutting webs in splicing process
    • 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
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4633—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
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/90—Machine drive
    • B65H2403/94—Other features of machine drive
    • B65H2403/942—Bidirectional powered handling device
    • 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 method for unwinding a material web, in particular paper or board web, with optional position of the material web for a subsequent machine unit for processing the material web, with a unwinding station having a primary unwinding device with a winding reel drive, at least one secondary unwinding device and an adhesive and separating device, wherein the winding roll is further unwound first in the primary unwinding device and after its transfer in a secondary unwinding device and a new winding roller is inserted into the primary unwinding device and the gluing and separating device during a reel change the material web the secondary unwinding device connects to the material web of the new winding reel and cuts through the material web running from the secondary unwinding device to the adhesive point.
  • 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.
  • pivoting arms are used, for example, about an axis, which engage on both sides of the winding roll and transfer them by means of a pivoting movement to the secondary unwinding.
  • an additional, pivotable auxiliary drive which drives the winding roller during this transfer.
  • 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 device is provided, which often has a pivotable about an axis adhesive roller over which the run by the secondary unwinding reel material web running to the - viewed in the running direction of the web - subsequent material web processing machine is performed.
  • the adhesive roller is pivoted and pressed against the guided by the primary unwinding winding roller.
  • the web of material running from the secondary unwinding device is separated by means of a cutting device.
  • the upper side of the material web located on the winding roll can selectively point up or down when fed to the following machine unit.
  • the object of the invention is therefore to reduce the cost of the optional position of the web in the unwinding.
  • the object has been achieved in that the single secondary unwinding device is arranged between the primary unwinding device and the following machine unit and the connection between the material webs during an intended unwinding of the new winding roller with the top side facing downwards while the new reel of the primary reel stands still. Abroll uncomfortable or at a rotational speed of the new winding roller of the primary unwinding takes place, which is between 0 and 4 m / s.
  • the primary unwinding device is driven to change the position of the unwinding web in a position corresponding rotation direction.
  • the connection of the web end of the secondary unwinding device with the full winding reel of the primary unwinding device is independent of the current or intended direction of rotation of the primary unwinding device.
  • it is advantageous for a safe roll change if the connection between the webs at standstill of the new winding roll of the primary unwinding device or at a rotational speed of the new winding roll of the primary unwinding takes place between 0 and 4 m / s, preferably between 0 and 1 m / s.
  • the web running direction of the material web coming from the secondary unwinding device is opposite to the current web running direction of the full winding reel of the primary unwinding device, i. the unwinding of the new winding roll is intended with downward facing web top, this leads to a drop in web tension.
  • a web tensioning method should be initiated. Since the secondary unwinding device is always located between the primary unwinding device and the subsequent machine for processing the web, unwinding from the new winding reel in the form that the upper side of the winding reel subsequently points downwards leads to the opposite direction already mentioned when connecting to the tail of the secondary unwinding device.
  • the web tensioning method is intended to prevent the web tension from dropping or at least to limit its duration and / or intensity.
  • a web tensioning device in the form of a tensioning roller can be pressed into the path of the material web and / or a web tensioning device in the form of a blowing element can direct blowing air into the path of the material web.
  • the winding roller of the primary unwinding device is briefly driven in the opposite direction.
  • a drive of the secondary unwinding device should drive the winding reel to wind up the web end remaining there against the unwinding direction.
  • the single secondary unwinding device is arranged between the primary unwinding device and the machine unit following in the web running direction, and the primary unwinding device can be driven to change the position of the unwinding material web in a rotational direction corresponding to the layer.
  • the secondary unwinding station should have a drive.
  • 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.
  • 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.
  • the subsequent machine unit is a smoothing device or a coating machine or in particular a rotary cutting machine.
  • Figures 1 to 6 show a schematic side view of the unwinding station and the course of Abwickeins.
  • the unwinding station described below can be used in particular in connection with a slitter-winder or the like as a subsequent machine unit 2.
  • webs of material 1 wound onto reels 7 are connected to one another, ie made endless, so that a continuous processing operation is possible in one of the unwinding stations - in the direction of travel 9 of web 1 - downstream reel cutting machine.
  • the unwinding station has a primary unwinding device 3 with a winding reel drive, only a secondary unwinding device 4 with a winding reel drive and an adhesive and separating device 5.
  • the working position of the secondary unwinding device 4 is located between the primary unwinding device 3 and in the web running direction 9 subsequent machine unit 2, ie the slitter.
  • the settlement begins in the primary unwinding device 3, the full winding roller 7 is supplied.
  • a winding roll 7 is wound, which may have a diameter of, for example 3500 mm and above.
  • the primary unwinding device 3 and the secondary unwinding device 5 are connected to one another via a guide device which comprises two rails 8 running parallel to one another and running horizontally.
  • the secondary unwinding device 4 together with its drive for the purpose of taking over the already predominantly unwound winding roller 7 along the guide means from their working position to the primary unwinding device 3 now and again slidably mounted.
  • the sprockets provided at their ends with journals are each stored in a receiving fork of the secondary unwinding device 4.
  • FIG. 2 shows the unwinding station after takeover of the winding reel 7 by the secondary unwinding station 4 and FIG. 3 after subsequent takeover of a new, full winding reel 7 by the primary unwinding station 3.
  • the full winding reel 7 can thus operate without an otherwise usual second secondary unwinding device 4 to be overcome have to be transported to the primary unwinding device 3.
  • the direction of rotation of the winding roll 7 in the primary 3 and thus also the secondary unwinding device 4 can be selected so that the top of the material web 1 points towards the downstream machine unit 2 downwards or upwards.
  • the position of the material web 1 in the following machine unit 2 is particularly important if both sides of the web have different material properties and the position of the side during further processing, in particular in the subsequent machine unit 2 is important.
  • a clockwise unwinding causes the upper side of the material web 1 to point downwards when the following machine unit 2 is reached.
  • the top of the material web 1 upwards.
  • the diameter of the winding roll 7 and thus the scope of the unwinding are detected by a distance sensor.
  • the web of material 1 coming from the secondary unwinding device 4 is transferred via the bonding and separating device 5 to the web 1 of the new web , full winding roller 7 of the primary unwinding device 3 brought into connection and glued.
  • the adhesive and separating device 5 separates the coming of the secondary Abroll prepared 4 material web 1 in front of the connection point.
  • the known and responsible for connecting the web ends adhesive and separating device 5 is located below the primary unwinding device 3 and is in order to adapt to changing diameter full bobbins 8 vertically adjustable.
  • the sticking and separating device 5 of the unwinding station comprises a gluing carriage which holds the gluing roller.
  • FIG. 5 shows the case that the current or intended unwinding direction of the new, full winding reel 7 at the connection point coincides with the direction of travel of the material web 1 running away from the secondary reeling device 4.
  • connection between the material webs can take place at a rotational speed of the new winding reel 7 of the primary unwinding device 3, which lies between 0 and 4 m / s.
  • a drop in the web tension is to be expected. Therefore, as indicated in Figure 6, a web tensioning process should be initiated.
  • a web tensioning device 6 can also be activated.
  • the web tensioning device 6 is located between the new winding roller 7 of the primary unwinding device 3 and a following in the web running direction 9 guide roller 10th
  • a tensioning roller can be pressed into the path of the material web 1 and / or a blowing element can direct blowing air into the path of the material web 1.
  • a blowing element can direct blowing air into the path of the material web 1.
  • the two winding roller drives are arranged on different sides of the machine. Specifically, there is the larger drive of the primary unwinding device 3 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 4 on the, accessible to the operator guide page of the machine.
  • the drive of the secondary unwinding 4 remains coupled after the takeover until the end of settlement with the winding roller 7, ie the unwinding station with two drives.
  • the larger drive of the primary unwinding device 3 is fixed and only the smaller drive displaceable, which simplifies the construction. Throughout the process, the train is regulated, which counteracts winding errors.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Vehicle Body Suspensions (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Packaging Of Special Articles (AREA)

Abstract

L'invention concerne un procédé de déroulement d'une bande de matériau (1), en particulier de papier ou de carton, à position sélective de la bande de matériau (1), pour une unité de machine (2) ultérieure destinée au traitement de la bande de matériau (1), comportant un poste de dévidage, lequel comporte : un dispositif de dévidage primaire (3), doté d'un entraînement de bobines d'enroulement ; au moins un dispositif de dévidage secondaire (4) ; ainsi qu'un dispositif d'adhésion et de séparation (5), la bobine d'enroulement (7) étant déroulée, d'abord dans le dispositif de dévidage primaire (3) et ensuite, après son placement, dans le dispositif de dévidage secondaire (4) et une nouvelle bobine d'enroulement (7) étant insérée dans le dispositif de dévidage primaire (3) et le dispositif d'adhésion et de séparation (5), lors d'un changement de bobine, liant la bande de matériau (1) du dispositif de dévidage secondaire (4) avec la bande de matériau (1) de la nouvelle bobine d'enroulement (7) et ledit dispositif d'adhésion et de séparation (5) sectionnant la bande de matériau (1) partant du dispositif de dévidage secondaire (4) vers le point d'adhésion. L'invention permet de réduire l'effort de telle sorte que seul le dispositif de dévidage secondaire (4) est agencé entre le dispositif de dévidage primaire (3) et l'unité de machine (2) ultérieure et que la liaison entre les bandes de matériau (1), lors d'un dévidage de la nouvelle bobine d'enroulement (7), avec la face supérieure de bande orientée vers le bas lors de l'arrêt de la nouvelle bobine d'enroulement (7) du dispositif de dévidage primaire (3) ou lors d'une vitesse de rotation de la nouvelle bobine d'enroulement (7) du dispositif de dévidage primaire (3), qui est comprise entre 0 et 4 m/s, est effectuée.
EP18750432.9A 2017-08-11 2018-08-06 Poste de dévidage Active EP3665112B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017118312.4A DE102017118312A1 (de) 2017-08-11 2017-08-11 Abrollstation
PCT/EP2018/071244 WO2019030161A1 (fr) 2017-08-11 2018-08-06 Poste de dévidage

Publications (2)

Publication Number Publication Date
EP3665112A1 true EP3665112A1 (fr) 2020-06-17
EP3665112B1 EP3665112B1 (fr) 2022-11-02

Family

ID=63113554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18750432.9A Active EP3665112B1 (fr) 2017-08-11 2018-08-06 Poste de dévidage

Country Status (5)

Country Link
EP (1) EP3665112B1 (fr)
CN (1) CN110997533B (fr)
DE (1) DE102017118312A1 (fr)
FI (1) FI3665112T3 (fr)
WO (1) WO2019030161A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019111470B4 (de) * 2019-05-03 2022-06-02 Voith Patent Gmbh Abwickelstation
DE102019111592A1 (de) * 2019-05-06 2020-11-12 Voith Patent Gmbh Materialbahnabwicklung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB685363A (en) * 1948-06-04 1953-01-07 Hoe & Co R Improvements in web printing machines
DE1250709B (fr) * 1961-07-08 1967-09-21
US3971524A (en) * 1971-06-16 1976-07-27 Bayerische Berg-, Hutten- Und Salzwerke Ag Device for connecting an expiring first web of a web-shaped material with the beginning of a second web of a web shaped material
JPH03288759A (ja) * 1990-04-04 1991-12-18 Sumitomo Metal Ind Ltd コイル状極低張力シートの巻戻し制御方法
JP2002274714A (ja) * 2001-03-16 2002-09-25 Ishikawajima Harima Heavy Ind Co Ltd アンワインダの枠替用テープ位置検出装置
FI121007B (fi) * 2007-10-12 2010-06-15 Metso Paper Inc Menetelmä ja järjestely kuiturainan aukirullaimen yhteydessä
DE102008022697A1 (de) * 2008-05-07 2009-12-10 Windmöller & Hölscher Kg Vorrichtung und Verfahren zum Abwickeln bahnförmigen Materials sowie bahnverarbeitende Maschine
DE102012013459A1 (de) * 2012-07-04 2014-01-09 Windmöller & Hölscher Kg Vorrichtung zum Abwickeln von bahnförmigem Material
CN103738535B (zh) * 2013-12-31 2016-04-06 北京航天东方科技发展有限公司 自动充填结扎机中的自动换膜装置
CN204078994U (zh) * 2014-09-23 2015-01-07 广东梅雁吉祥实业投资股份有限公司 一种新型自动送膜机构
DE102016211582A1 (de) * 2016-06-28 2017-03-23 Voith Patent Gmbh Abrollstation

Also Published As

Publication number Publication date
WO2019030161A1 (fr) 2019-02-14
EP3665112B1 (fr) 2022-11-02
CN110997533A (zh) 2020-04-10
DE102017118312A1 (de) 2019-02-14
FI3665112T3 (fi) 2023-02-28
CN110997533B (zh) 2022-02-25

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