WO2009144106A1 - Guidage de feuille dans un dispositif de gaufrage - Google Patents

Guidage de feuille dans un dispositif de gaufrage Download PDF

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Publication number
WO2009144106A1
WO2009144106A1 PCT/EP2009/055052 EP2009055052W WO2009144106A1 WO 2009144106 A1 WO2009144106 A1 WO 2009144106A1 EP 2009055052 W EP2009055052 W EP 2009055052W WO 2009144106 A1 WO2009144106 A1 WO 2009144106A1
Authority
WO
WIPO (PCT)
Prior art keywords
film
transfer
sheet
web tension
drive
Prior art date
Application number
PCT/EP2009/055052
Other languages
German (de)
English (en)
Inventor
Uwe Püschel
Jürgen Schölzig
Wolfgang Treiss
Original Assignee
Manroland 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 Manroland Ag filed Critical Manroland Ag
Publication of WO2009144106A1 publication Critical patent/WO2009144106A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
    • B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
    • B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
    • B41F19/062—Presses of the rotary type
    • 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
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-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
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/14—Associating sheets with webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/20—Arrangements for moving, supporting or positioning the printing foil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • 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
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a method and a device for transferring imaging or covering layers from a carrier foil to printed sheets according to the preamble of patent claim 1 and of patent claim 7, respectively.
  • EP 0 569 520 B1 describes a printing material and a printing device using this material.
  • a sheet-fed machine with a feeder and a boom, printing units and a coating unit are arranged.
  • an adhesive pattern is applied as a printed matter in the planographic printing process.
  • a counter-pressure cylinder, a pressure roller and a film guide are provided in the coating unit after the printing unit.
  • a foil strip is guided through the transfer nip of the coating unit between impression cylinder and press roll from a film supply roll and wound up again on the exit side after leaving the coating unit.
  • the transfer film contains a carrier film on which functional layers of various types, such as metallic layers, for example of aluminum, or plastic layers can be applied. Between functional layer and carrier film, a separating layer is provided, by means of which the functional layer can be removed from the carrier layer.
  • a printing sheet After a printing sheet is provided with a two-dimensional adhesive application or an adhesive pattern, it is passed through the coating unit, wherein by means of the pressure roller, the pressure sheet lying on the impression cylinder is brought into contact with the film material.
  • the down-facing functional layer engages tightly with the adhesive-provided areas on the signature. Thereafter, the functional layer adheres only in the area of the adhesive-provided pattern or else entire adhesive layer. rich, wherein the carrier film, the functional layer is removed in the region of the adhesive pattern.
  • the print sheet is laid out in the coated state.
  • a disadvantage of the described procedures is that they can not be used flexibly, require extensive know-how about the complex processes and are difficult to handle. Above all, the previously known production methods are limited to the processing of substrates made of paper or cardboard. A coating of film substrates in the cold foil stamping process has not been previously known.
  • the object of the invention is therefore to provide a method by means of which a film coating of printed sheets can be simple, safe, economical and accurate
  • the method can also be used advantageously in order to achieve an improvement in film utilization by dividing the transfer film into one or more partial film webs of lesser width.
  • it is thus also possible to use different types of film side by side.
  • Occurring web tension fluctuations are guided by the signals of a in connection with the film roll drive (approximately in or on the rotation axis mounted-) sensor such as a rotary encoder or potentiometer to a Folienabroll- or -aufwickelantrieb.
  • the web tension fluctuation can be compensated by means of speed adaptation.
  • the advantages are: - low web tension fluctuations
  • the induced web tension change is corrected by a downstream dancer or take-up motor.
  • the up or unwinding role (s) have drives and brakes.
  • each sheet pass causes a web influence on the film web (web shortening in the channel has an effect on the web tension of the film).
  • the web tension is preset controlled on the operating panel of the module.
  • the module is further developed with respect to channel timing, whereby the web tension must be reduced from a relatively high value to maintain channel continuity.
  • dancer roller operation is also carried out with several individual rollers.
  • the dancer virtually controls (controls) the common passage of the individual roller conveyors.
  • all single lanes can be driven over their own dancer to create constant web tension.
  • the Folienier- and -abwicklung can be performed with individual drives or drive-brake combination.
  • the web tension of the film web can therefore be regulated (target / actual comparison). - increase the operational safety of the system
  • Figure 1 is a basic representation of a printing machine with a film transfer device.
  • FIG. 1 shows parts of a sheet-fed rotary printing press which contains two printing units and is used for the following purposes:
  • a sheet is first provided with a two-dimensional or imaging adhesive pattern (printing unit as commissioned work 1).
  • the printed sheet is fed together with a transfer film 5 under pressure through a transfer nip 6 (coating unit 2).
  • the applicator 1 may be a per se known offset printing unit with an inking unit 11, a plate cylinder 12 and a blanket cylinder 13.
  • the blanket cylinder 13 cooperates with a counter-pressure cylinder 4.
  • the coating unit 2 can also be formed by an offset printing unit.
  • the transfer nip 6 in the coating unit 2 is formed by a press roll 3 and an impression cylinder 4.
  • the press roll 3 may correspond to the blanket cylinder.
  • the press roll 3 may also correspond to the forme cylinder of a paint module.
  • a web guide 14 is shown for transfer films.
  • the transfer film 5 is thereby switched on and executed by protective devices 15 of the coating unit 2.
  • the press roll 3 (as blanket cylinder or forme cylinder or separate press roll) carries on its surface a compressible or damping, for example, also provided with a compressible intermediate layer element.
  • a film transfer device integrated into the applicator 1 can be provided, whereby an integrated film application module is created.
  • an additional press roll is assigned to a printing gap between a blanket or forme cylinder 13 and the impression cylinder 4 at an impression cylinder 4.
  • a film web of a transfer film can be fed to a transfer nip formed as mentioned above and also discharged directly again.
  • the cold foil stamping takes place in a single integrated foil application module.
  • an applicator can be arranged in a compact design within the coating module.
  • an adhesive application device is assigned to the impression cylinder 4 and arranged upstream of the transfer nip, which would be provided here between the blanket cylinder 13 and the impression cylinder 3.
  • the transfer film would be guided here around the blanket cylinder 13 or approximately tangentially past it through the designated printing nip.
  • the film supply roll 8 is assigned to the coating unit 2 on the side of the sheet feed and has a rotary drive 7.1 for the continuous controlled feeding of the transfer film 5 to the coating unit 2.
  • a film feed deflection or tension rollers for guiding the transfer film 5 may be provided in a substantially constant tension against the press roller 3.
  • a film collecting roller 9 is provided for the used sheet material.
  • a rotary drive 7.2 on the film collection roller 9 is always advantageous. It can even be provided that the transfer film 5 is conveyed on the outlet side by means of the rotary drive 7.2 and held taut on the supply side by means of a brake.
  • the film advance of the transfer film 5 from the film supply roll 8 to the transfer nip 6 and to the film collection roll 9 can be controlled step by step, wherein the Transfer film 5 is then stopped, if no transfer of imaging or covering layers should take place.
  • the associated device preferably includes a corresponding feed control for the transfer sheet 5, which ensures that at least the lying in the region of the press roller 3 and the impression cylinder 4 part of the film web is stationary as long as the cylinder channel passes.
  • a further improvement of the film utilization of the type described results when the transfer film 5 is divided into one or more Operafolienbahnen lesser width.
  • the utilization of the transfer film 5 can be improved even in zonally different lengths coating areas within an arc.
  • the film application module may be provided, by means of which the adhesive application or the entire film coating can be dried.
  • the film application module may include a monitoring device 17 for scanning the sheet surface with evaluation of image contents of the coating and determination of defects in the film coating.
  • the film guide 14 for a film web 5 or partial film webs 19 includes on the feed side to the transfer nip 6, starting from an inlet opening 16 on a printing unit protection 15 some guide rollers 22nd
  • the film guide can be further supported by the fact that the cylinder channel of the press roll 3 is provided with a cover for largely cylindrical complement of the surface of the press roll.
  • the film web 5 is indeed brought closer to the impression cylinder 4 in the area of the gripper G, but the film guide is overall more continuous and quiet.
  • the film guide is overall more continuous and quiet.
  • web tension fluctuations during the passage of the cylinder channels of counter pressure cylinder 4 and press roller 3 can be compensated. This is done by extending the path of the film web when facing the cylinder channels in the transfer nip 6 or by shortening the path of the film web after passing through the cylinder channels.
  • signals of a sensor mounted in conjunction with the rotary drive such as in the axis of rotation of the rotary drive 7, can be routed to the rotary drive of the take-up reel 9, for example as rotary encoders or potentiometers.
  • a speed adaptation for regulating the web tension fluctuations can then be made possible.
  • the adjustment of the dancer rollers 18 may be performed pneumatically, wherein a dancer roller 18 clamped on both sides can be controlled with an air cushion in the middle position via proportional valves. It is also a hydraulic, mechanical solution by means of springs and weights conceivable, etc.)
  • the effect of the known changes in the web path of the film web in the interaction of cylinder channel and cylinder circumference on the web tension can thus be compensated a relatively constant web tension (web tension) can be set.
  • the partial webs can be passed over in each case a separate dancer roller 18 to produce a constant web tension.
  • the Folienauf- and -abwicklung can be designed with individual drives or Anthebs-brake combination.
  • the web tension of the film web can be controlled according to a desired-actual-value comparison to an appropriate for the film web web tension.
  • the drive parameters for the drives 7.1, 7.2 to change depending on the operating state of the film transfer. In many drives the switching of control parameter sets is known.
  • control parameters are automatically retrieved by the machine control and fed to the drives 7.1, 7.2 for processing.
  • the drive parameters for the acceleration and braking areas are steeper or more aggressive and therefore more rapidly reacting than during continuous operation of the coating plant 2.
  • the film web 5 is held taut during acceleration by quasi-faster acceleration of the take-up roll.
  • the film web is held taut during braking by quasi slower braking.

Landscapes

  • Rotary Presses (AREA)

Abstract

L'objectif de l'invention est de permettre d'utiliser, de manière souple, un dispositif d'enduction servant à transférer des couches formant une image ou des couches de recouvrement entre un film de transfert et une matière à imprimer, pour produire des matières à imprimer complexes tout en assurant un traitement doux du film. A cet effet, un module d'application de film dans une presse rotative à feuilles est équipé de moyens servant à réguler la tension de la bande de film.
PCT/EP2009/055052 2008-05-28 2009-04-27 Guidage de feuille dans un dispositif de gaufrage WO2009144106A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008002043.5 2008-05-28
DE102008002043 2008-05-28
DE102009002254A DE102009002254A1 (de) 2008-05-28 2009-04-07 Folienführung in einer Prägeeinrichtung
DE102009002254.6 2009-04-07

Publications (1)

Publication Number Publication Date
WO2009144106A1 true WO2009144106A1 (fr) 2009-12-03

Family

ID=41254124

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/055052 WO2009144106A1 (fr) 2008-05-28 2009-04-27 Guidage de feuille dans un dispositif de gaufrage

Country Status (2)

Country Link
DE (1) DE102009002254A1 (fr)
WO (1) WO2009144106A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103286815A (zh) * 2013-05-10 2013-09-11 天津长荣印刷设备股份有限公司 一种模切平台伺服退压系统及其工作方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014108718A1 (de) 2013-06-28 2014-12-31 manroland sheetfed GmbH Formatbezogenes Kaltfolienprägen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005005491A1 (de) * 2005-02-04 2006-08-10 Man Roland Druckmaschinen Ag Folienzuführung für Kaltfolienprägung
EP1815982A2 (fr) * 2005-12-27 2007-08-08 MAN Roland Druckmaschinen AG Guidage de feuilles dans un dispositif d'estampage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2672008B1 (fr) 1991-01-29 1994-09-02 Cros Jean Pierre Materiau pour impression et procede et installation d'impression au moyen de ce materiau.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005005491A1 (de) * 2005-02-04 2006-08-10 Man Roland Druckmaschinen Ag Folienzuführung für Kaltfolienprägung
EP1815982A2 (fr) * 2005-12-27 2007-08-08 MAN Roland Druckmaschinen AG Guidage de feuilles dans un dispositif d'estampage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103286815A (zh) * 2013-05-10 2013-09-11 天津长荣印刷设备股份有限公司 一种模切平台伺服退压系统及其工作方法

Also Published As

Publication number Publication date
DE102009002254A1 (de) 2009-12-03

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