EP4139236A1 - Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau - Google Patents

Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau

Info

Publication number
EP4139236A1
EP4139236A1 EP21712469.2A EP21712469A EP4139236A1 EP 4139236 A1 EP4139236 A1 EP 4139236A1 EP 21712469 A EP21712469 A EP 21712469A EP 4139236 A1 EP4139236 A1 EP 4139236A1
Authority
EP
European Patent Office
Prior art keywords
roll
web
unwinder
unwound
frame
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
EP21712469.2A
Other languages
German (de)
English (en)
Other versions
EP4139236B1 (fr
Inventor
Bastian Deppisch
Walter Ritter
Michael Schmitt
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP4139236A1 publication Critical patent/EP4139236A1/fr
Application granted granted Critical
Publication of EP4139236B1 publication Critical patent/EP4139236B1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/16—Means for tensioning or winding 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
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20—Cutting-off the expiring 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
    • 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
    • B65H2301/46154—Processing webs in splicing process after splicing guiding tail after (flying) splicing
    • 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
    • B65H2301/46172—Processing webs in splicing process after splicing cutting webs in splicing process cutting expiring web only
    • 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
    • B65H2404/55—Built-up surface, e.g. arrangement for attaching the surface to the forwarding or guiding element
    • B65H2404/551—Non permanent attachment, i.e. allowing interchange ability of the surface
    • 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
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/69—Other means designated for special purpose
    • B65H2404/693—Retractable guiding means, i.e. between guiding and non guiding position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness

Definitions

  • Roll unwinder roll printing machine and method for operating a roll unwinder
  • the invention relates to a roll unwinder, a roll printing machine with a roll unwinder and a method for operating a roll unwinder according to the preamble of claim 1, 11 or 12.
  • DE 102013219259 A1 discloses a web-fed printing machine with at least one printing unit, by means of which a material web can be printed on at least one side using a digital printing process, and with an unwinder arranged upstream of the printing unit in the material web path, from which the material web to be printed can be unwound from a material roll, wherein the unwinder is designed to receive at least two rolls of material and to carry out a flying roll change.
  • DE 102008000242 B3 relates to a method for stationary roll changes using a roll changer designed for flying roll changes, wherein in one of the steps a connecting element is pivoted onto the new material roll by an actuating element so that the web coming off touches the new roll.
  • DE 102006014964 A1 discloses a method for determining an optimal point in time for initiating a roll change in a roll changer for rotary printing presses.
  • Reel unwinders which are designed to carry out a reel change to be carried out during operation, e.g. B. so-called.
  • Role changer for the flying role change are used to unwind a web, short web, and to automatic sticking of a new web of material from a new roll of web of material to an outgoing web of a web of material that is currently to be unwound, roll for short.
  • the running web of material is fed to the new roll and glued to the new roll and then the old web of material is cut off. The cut is made by a knife that, for. B. from above, hits against the web and severed it.
  • the invention is based on the object of creating a roll unwinder, a roll printing machine with a roll unwinder and a method for operating a roll unwinder.
  • this is primarily achieved by providing a device for supporting the material web to be severed, in particular a device that can be converted from a rest state into a working state, or support device for short, which moves from a rest state into a material web to be unwound in the area of the web path between Material roll and a pressing element, z. B. a pressure roller, supporting working state can be converted.
  • a support element included in the device can be provided on the supporting frame to be pivoted and carried along by it.
  • the support element can be moved from a rest position to the active position, i. H. can be or can be brought into a position supporting the material web on the side of the web facing away from the cutting tool during the cutting. This can be done by removing a support element that is releasably held on the support frame by adjusting or holding means provided in the roll changer frame or on the pivoting frame.
  • a support element can also be attached to the supporting frame, e.g. B. be provided movable by adjusting means in such a way that the distance of the support element to the axis of rotation of the roll of material carrying the web to be knocked off can be varied.
  • a web press with such a roll unwinder now allows -. B. in packaging or decorative printing - a printing of a web of higher strength and / or strength, as in a particularly advantageous embodiment z. B. by one or more according to a non-impact printing process, in particular an inkjet printing process, working printing units. Exemplary embodiments of the invention are shown in the drawings and are described in more detail below.
  • FIG. 1 shows a schematic representation of a web-processing and/or processing machine designed as a roll-fed printing machine with a roll unwinder
  • FIG. 2 shows a roll unwinder with a device for supporting the web of material to be cut off, with the support element accommodated in the operative position on the adhesive frame;
  • FIG. 3 shows an enlarged section of the roll unwinder with the device for supporting the web of material to be cut with the support element still positioned in the rest position on the support frame;
  • FIG. 4 shows a schematic representation of the conditions when cutting off the old roll of material a) for the case of a new roll of material with a large diameter and b) for the case of a new roll of material with a small diameter.
  • a web-beating and/or processing machine 01 in particular a web-fed printing press 01, comprises a roll carrier 02 on the input side, e.g. B. roll unwinder 02, short unwinder 02, from which a material web B; B' from a roll of material 03; 03', for example printing material roll 03; 03', in particular paper roll 03; 03' short roll 03; 03', can be unwound and inserted into the machine 01.
  • the machine 01 can be designed as a wrapping and/or cutting machine and can only be used for wrapping and/or longitudinally cutting longitudinal strips. However, at least one is preferred in the web path Processing stage 04, e.g. g.
  • Machine 01 is preferably embodied as a web-fed printing press 01 and has at least one processing stage 04 embodied as a printing unit 04 for at least one-sided printing of material web B; B' up.
  • the material web B; B' for example printing material web B; B' or B for short; B', can e.g. B. basically also as a plastic film B; B', as metal foil B; B' or a composite material.
  • the material web B; B' but as a paper or cardboard web B; B 'embodied, in particular as a paper or cardboard web B;
  • B' with a basis weight of more than 100 g/m 2 , e.g. B. between 100 and 400 g / m 2 , and / or is composed of two or more interconnected, z. B. wet pressed ("couched") layers during production.
  • a paper is used, for example, as cover paper in the production of corrugated board.
  • it can also be made of cardboard and/or have an even higher basis weight.
  • the roll carrier 02 or unwinder 02 on the input side is equipped with a plurality of roll positions and is designed as a roll changer 02, in particular as a roll changer 02 that enables a flying roll change.
  • the at least one printing unit 04 can in principle be embodied as an offset printing unit, a gravure printing unit or a letterpress printing unit, it is preferred to be a printing unit 04 that operates using a non-impact printing process, i.e. without a fixed printing forme, in particular as a printing unit 04 that operates without a printing forme using a digital printing process , executed.
  • web-fed printing press 01 preferably comprises at least one printing unit 04 that operates without a printing forme and has one or more inkjet print heads 06, in particular, i.e. at least one inkjet printing unit 04, for example.
  • Inkjet printing unit 04 provides the printing material with a print motif without a fixed repeat length and/or with individual and/or changing print images. Content printable. This can develop particular advantages in packaging or decorative printing, in particular when printing cover webs used in the production of corrugated board or cover or decorative papers used in the production of laminates.
  • a continuation to a further processing stage for example to a machine part for inline processing of material web B; B' can be provided as a cover sheet of a corrugated board to be produced in machine 01.
  • a further roller carrier 07 can be provided, through which the material web B; B' to a winding or in particular product roll 08; 08' forming roll of material 08; 08', short roll 08; 08', can be wound up.
  • the output-side roller carrier 07, z. B. winder 07 is preferably also equipped with several roles and z. e.g.
  • turret winder 07 in particular as a turret winder 07 that enables a flying winding roll change.
  • the material web B; B' runs through the machine 01 between the unwinder 02 and the winder 07 projected horizontally along a production direction P.
  • the printed web of material B; B' is additionally connected inline or in a subsequent processing step in a corresponding further processing stage to a corrugated web--possibly already connected to an inner cover.
  • the printed web of material B; B' are produced.
  • the printed web of material B; B' as an intermediate product additionally inline or in a subsequent Processing applied in a corresponding further processing stage with a resin and applied to a carrier material.
  • one or more other printing units 04 and/or other units 09 e.g. B. at least one dryer 09, in particular radiation dryer 09, may be provided in the printing material path.
  • a material web B is currently being unwound from the material roll 03 and fed into the machine 01 (see, e.g., FIG. 2).
  • the material web B' of the new material roll 03' is combined with the material web B of the material roll 03 that is currently still being processed Brought into contact with one another, connected to one another at a splice by means of an adhesive previously provided on the material web B', and then the material web B that had been unwound up to that point was severed beyond the splice, ie, for example, cut off or knocked off.
  • a material web tab (not shown here) generally remains on the material web B' of the new material roll 03' now to be unwound, which is given by the web section between the splice and the end of the previously unwound material web B formed by the cutting.
  • the supporting frame 11 is pivoted into a transfer position U (see, for example, the dashed arrow in Fig.
  • the rolls 03; 03' are accommodated, for example, on the face side by cones rotatably mounted on the support frame 11.
  • Fig. 2 is dashed itself theoretically by pivoting the largest possible roll 03 to be loaded; 03' in the roll unwinder 02.
  • the web 03 to be severed is or will be guided over one or more deflection rollers 12, for example, before it reaches the effective range of and/or comes into contact with a pressing element 13, e.g. B. runs on the circumference of a pressure roller 13 designed as a pressure element 13 .
  • a pressing element 13 e.g. B. runs on the circumference of a pressure roller 13 designed as a pressure element 13 .
  • a z. B. as a knife 14, in particular cut-off knife 14 trained cut-off tool 14, can be brought into the web path between the pressure element 13 and the next or only upstream deflection roller 12 by drive means not specified here, whereby the web B is severed.
  • a device 16 - in particular transferable from a resting state to a working state - for supporting the material web B to be severed must be ensured;
  • the device 16 comprises a support element 17 which can be brought or is brought from a rest position R assumed in the idle state of the device 16 into an active position W assumed in the working state of the device 16 .
  • the support member 17 is also to the web path, z. B. more than 10 mm arranged.
  • the support element 17 is in the active position W for the case of one or more additional frame-mounted guide elements along the course of the web viewed closer to the point at which the detaching tool 14 meets the web B and/or further away from the axis of rotation of the first material roll 03 than the possibly carrying deflection roller 12 fixed to the frame or possibly one or more further guide elements fixed to the supporting frame, e.g. B. Guide rollers.
  • the support element 17 is preferably movable, ie movable relative to the axis of rotation of the roll of material 03 to be cut off, or preferably detachably arranged on the support frame 11 in the rest position R. In the former case, it can, for example, on the support frame 11 movably arranged and by an actuator between rest and active position R; W be adjustable. In the preferred embodiment shown here, however, a frame 18, e.g. B.
  • a receiving device 19 is provided, through which the support element 17, which is detachably arranged on the support frame 11, can be received for an upcoming roll change and together with the cutting blade 14 and its actuator pivoting frame 18 and/or relative to it another adjusting means can be brought into the working position W.
  • the support frame 11 z. B. if necessary first pivoted into a transfer position U, in which the support element 17 can be accommodated with the aid of the receiving device 19 .
  • the receiving device 19 is provided on the frame 18 by a carrying and / or gripping device 19, z. B.
  • the positioning in the active position W is then also carried out, for example, by positioning the frame 18 and/or additional adjusting means relative to the frame 18.
  • the support element 17 is therefore positioned in the rest position R on the support frame 11 during normal operation and over the course of the roll change the recording device 19 in the active position W, here z. B. from below against the web B spent.
  • the frame 19 can also carry the aforementioned pressure roller 13 and/or can be moved, in particular pivoted, in the frame of the unwinder 02 towards and away from the web path section to be separated.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

Un dérouleur de rouleau (02) permettant un changement de rouleau automatisé comprend au moins un poste à rouleau destiné à contenir un premier rouleau de matériau (03), qui est alors à dérouler, et un poste à rouleau destiné à contenir un second rouleau de matériau (03'), qui est à dérouler une fois un changement de rouleau effectué, comprend également un outil de coupe (14) qui peut être destiné à couper une première bande (B) déroulée du premier rouleau de matériau (03), et comprend en outre un élément exerçant une pression (13), qui peut être destiné à presser la première bande (B), qui est alors à dérouler, sur la surface latérale du second rouleau de matériau (03'), un dispositif support (16) étant présent et ce dispositif support peut être transféré d'un état de repos à un état de fonctionnement, dans lequel la bande (B), qui est alors à dérouler, est supportée par le dispositif support, du moins lors de l'action de coupe, dans la zone du trajet de bande en un emplacement qui est situé dans le trajet de bande entre le premier rouleau de matériau (03), qui est à dérouler, et l'emplacement où l'élément exerçant une pression (13) interagit avec la bande (B).
EP21712469.2A 2020-07-08 2021-03-12 Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau Active EP4139236B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020118023.3A DE102020118023A1 (de) 2020-07-08 2020-07-08 Rollenabwickler, Rollendruckmaschine sowie Verfahren zum Betreiben eines Rollenabwicklers
PCT/EP2021/056333 WO2022008106A1 (fr) 2020-07-08 2021-03-12 Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau

Publications (2)

Publication Number Publication Date
EP4139236A1 true EP4139236A1 (fr) 2023-03-01
EP4139236B1 EP4139236B1 (fr) 2024-03-06

Family

ID=74884954

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21712469.2A Active EP4139236B1 (fr) 2020-07-08 2021-03-12 Dérouleur de rouleau, presse d'impression à bobines et procédé de fonctionnement d'un dérouleur de rouleau

Country Status (5)

Country Link
US (1) US11840414B2 (fr)
EP (1) EP4139236B1 (fr)
CN (1) CN115803274B (fr)
DE (1) DE102020118023A1 (fr)
WO (1) WO2022008106A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022109965A1 (de) 2022-04-26 2023-10-26 Koenig & Bauer Ag Verfahren und Rollenwechsler für einen fliegenden Rollenwechsel sowie substratbe- und/oder verarbeitende Maschine mit einem Rollenwechsler

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2199324A5 (fr) * 1972-09-13 1974-04-05 Etudes De Machines Speciales
US3944151A (en) * 1975-02-03 1976-03-16 Worldwide Converting Machinery, Inc. Alternate side web splicing apparatus
US4238261A (en) * 1978-10-02 1980-12-09 The Black Clawson Company Method for forming a zero tail length splice in a moving web
DE2911268C2 (de) * 1979-03-22 1983-09-15 Vits-Maschinenbau Gmbh, 4018 Langenfeld Vorrichtung zum ununterbrochenen Abwickeln von Warenbahnen
DE10062952B4 (de) * 2000-12-16 2005-10-06 Kiefel Extrusion Gmbh Vorrichtung zum selbsttätigen Verbinden des Warenbahnendes einer auslaufenden Wickelrolle mit dem Warenbahnanfang einer folgenden Wickelrolle
DE102006014964A1 (de) 2006-03-31 2007-10-04 Koenig & Bauer Aktiengesellschaft Verfahren zur Ermittlung eines optimalen Zeitpunktes zur Einleitung eines Rollenwechsels in einem Rollenwechsler für Rotationsdruckmaschinen und Vorrichtung zur Erfassung einer Papierschichtdicke an einer Restrolle
EP2062841B1 (fr) * 2007-11-23 2013-02-13 Goss Contiweb B.V. Dispositif pour appliquer une feuille de papier continue sur une enrouleuse de papier et changeur de bobine correspondant
DE102008000242B3 (de) 2008-02-06 2009-01-22 Koenig & Bauer Aktiengesellschaft Verfahren zum Stillstandsrollenwechsel in einem für einen fliegenden Rollenwechsel ausgelegten Rollenwechsler
CN201183687Y (zh) * 2008-04-10 2009-01-21 李玉龙 卷筒纸不停机自动对位接头装置
CN201501689U (zh) * 2009-10-22 2010-06-09 瑞安市国伟印刷机械有限公司 凹版印刷机收放卷装置
CN202022603U (zh) * 2011-04-14 2011-11-02 苏州市益维高科技发展有限公司 浸渍生产中的自动换卷装置
DE102013219259A1 (de) 2013-09-25 2015-03-26 Koenig & Bauer Aktiengesellschaft Druckmaschine, Druckfarbe und Verfahren zum Bedrucken eines Bedruckstoffes
DE102015221663A1 (de) * 2015-11-04 2017-05-04 Koenig & Bauer Ag Laminierungsmaschine und ein Verfahren zum Laminieren eines Materials
DE102016225980B4 (de) * 2016-12-22 2019-09-12 Koenig & Bauer Ag Vorrichtung zum Abschneiden einer an einer durch die Vorrichtung zu führenden Materialbahn hängenden Materialbahnfahne sowie Rollendruckmaschine

Also Published As

Publication number Publication date
US11840414B2 (en) 2023-12-12
US20230192431A1 (en) 2023-06-22
EP4139236B1 (fr) 2024-03-06
CN115803274A (zh) 2023-03-14
WO2022008106A1 (fr) 2022-01-13
DE102020118023A1 (de) 2022-01-13
CN115803274B (zh) 2023-08-25

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