EP1418049A2 - Machine d'impression rotative - Google Patents

Machine d'impression rotative Download PDF

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Publication number
EP1418049A2
EP1418049A2 EP03016019A EP03016019A EP1418049A2 EP 1418049 A2 EP1418049 A2 EP 1418049A2 EP 03016019 A EP03016019 A EP 03016019A EP 03016019 A EP03016019 A EP 03016019A EP 1418049 A2 EP1418049 A2 EP 1418049A2
Authority
EP
European Patent Office
Prior art keywords
corona
treatment
machine according
printing
printing machine
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
EP03016019A
Other languages
German (de)
English (en)
Other versions
EP1418049A3 (fr
EP1418049B1 (fr
Inventor
Arndt Jentzsch
Christian Ziegenbalg
Uwe Becker
Tilo Steinborn
Michael Pscheidl
Matthias Lange
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 EP1418049A2 publication Critical patent/EP1418049A2/fr
Publication of EP1418049A3 publication Critical patent/EP1418049A3/fr
Application granted granted Critical
Publication of EP1418049B1 publication Critical patent/EP1418049B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing

Definitions

  • the invention relates to a rotary printing machine with a system, at least one printing module, comprising a printing cylinder and a transfer cylinder, a delivery and with a corona device for treating printing materials present as a sheet or as a plate by means of electrical corona discharge, with a treatment electrode and a Counter electrode, between which a treatment gap is formed.
  • the corona treatment is one for the pretreatment of sheet-shaped or plate-shaped Substrates used in the printing industry, proven and often used treatment method.
  • the aim of the treatment is to prepare the substrates in such a way that for the actual printing or varnishing the substrates sufficient adhesion to the substrates also achieved at non-polar substances or even made possible.
  • These substrates are passed through a treatment gap, in which between the Treatment electrode and the counter electrode a corona discharge occurs, the substrate surface affected.
  • a device was disclosed in DE 100 39 073 A1 proposed for corona treatment of sheet-shaped sheet material with which the sheet material including certain variable parameters directly in the processing line can be treated.
  • the sheet to be treated is formed by a counter electrode Transport electrode unit (transport roller) transported by the arc of at the Transport electrode unit trained grippers seized and handed over.
  • the the Transport electrode unit (counter electrode) opposite treatment electrode is included designed so that these for passing the gripper through the treatment gap of the counter electrode, so the transport roller pivots away, causing the treatment gap is increased, that is, the treatment gap is synchronous with the circulation of the sheet gripper adjusted between a working and a gripper passage position.
  • From DE 100 41 934 A1 is also a method and a device for corona treatment in which the ink layer applied to a printing material is printed in front of e.g. paint is dried by corona treatment. This is done by the corona treatment device after the last printing unit and before the device for coating the printing material provided and arranged over the impression cylinder of the last color printing unit is.
  • the object of the invention is a rotary printing machine according to the aforementioned type in such a way that the corona device for the targeted treatment of substrates be used at different processing levels within a processing line can.
  • the corona device is associated with a printing unit, so, that the pressure cylinder is designed as a counter electrode, and wherein with this pressure cylinder with the remaining corona device and with a transfer drum a separate corona printing module is trained.
  • the advantages of this arrangement are, in particular, that the corona printing module at any passage between / before / after printing units of a rotary printing machine can be arranged.
  • the disadvantages of the previous solutions according to the prior Technology according to which the corona device in an existing printing subsequently / additionally must be installed or adapted to this, in particular with regard to the device the technically required treatment gap, the necessary design measures due to the rotating gripper elements on the printing cylinder, the arrangement of additional Aggregates, such as e.g. Blowing or suction devices, and thereby resulting increased Structure, can be circumvented with the inventive solution.
  • the corona printing unit module is a first printing unit module upstream, that is, after the plant, the corona printing module follows.
  • the present as a sheet or plate substrate is already before providing or the feeding into / to the rotary printing press a corona treatment, in order to prepare the printing material such that it is suitable for the intended subsequent Treatment steps, such as Printing, is suitable.
  • Treatment steps such as Printing
  • the corona treatment be able to temporally change or reduce the printing stock properties is preceded according to this embodiment by means of a first printing module Corona printing module of the substrate to refresh or improve the existing Properties undergo a corona treatment again.
  • a corona printing module inserted after the attachment and another corona printing module for surface treatment of the other side (reverse side) of the substrate may be installed before or after the sheet turning device.
  • the grippers are designed as mechanically operating clamping gripper and consist of cooperating with gripper mounts movable gripper fingers or each of two gripper claw halves.
  • the clamping grippers protrude over the periphery of the printing cylinder to allow the acquisition of the sheet-shaped substrate from an upstream sheet-guiding cylinder or a transfer drum.
  • On the gripper acts a device which engages the gripper under the periphery of the printing cylinder in accordance with the angle of rotation of the printing cylinder with respect to the treatment electrode or the treatment gap.
  • a comparable effect can be achieved if the gripper formed as a suction pad are and have a suction surface, at least approximately along the lateral surface of the printing cylinder runs.
  • the corona printing unit module is at least a printing unit module nach- and at least one coating unit module upstream, thereby
  • the drying rate of the applied paint is positively influenced can be.
  • the invention includes a corona printing unit module for use in a rotary printing press, wherein the treatment gap between the treatment electrode and the Counter electrode during treatment has a constant width in the range between 4 mm and 8 mm has.
  • Counter electrode and treatment electrode are each connected to a high voltage source and controllable via control means as a function of other machine-specific data.
  • the treatment electrode arranged opposite the counter electrode may be formed, for example, as a one-piece rod-shaped electrode, which extends over the entire format width.
  • the treatment electrode as an arrangement be formed of a plurality of (e.g., arranged in series) electrode elements, wherein this arrangement, which also extends over the entire format width, in a facility received the counter electrode is arranged opposite.
  • the treatment electrode or the device in which it is included, is movably attached and can from its working position and thus, spatially pivoted away from the counter electrode become. This is particularly advantageous if the corona device is not used or needed.
  • the counter electrode (ground) is through the pressure cylinder or the electrically conductive support formed for the bow.
  • the treatment gap between the counter electrode and the treatment electrode preferably has a width of 4 mm to 8 mm.
  • the opposing electrodes are set up so that the surface of the substrate lying between them (Sheet / plate) is optimally processed.
  • the treatment gap so far / far chosen that on the pressure cylinder (that is on the counter electrode) trained gripper can pass unhindered the treatment gap. This is a compromise formed between the technically predetermined conditions with regard to the treatment gap width and ensuring a preferred stationary location of the treatment electrode during the corona treatment, so on the one hand the success of the corona treatment is secured and on the other hand not between a working position and a gripper passage position must be distinguished.
  • the treatment gap is the sixth mm.
  • the corona treatment of the printing material is optimal and The grippers can pass the treatment gap without hindrance.
  • the corona printing unit module at least one hold down to hold down the bow / plate, each in the area a gap which is formed between two arranged on the printing cylinder grippers, the Pressure cylinder is arranged opposite.
  • the hold-downs are on the corona device arranged such that these, while the gripper in the processing process the Area with the hold downs happen, each in a gap between two side by side intervene arranged grippers without the grippers or downers hinder each other.
  • the hold-downs may e.g. cylindrical, arranged on a paraxial to the impression cylinder Traverse be deferred roles during the processing or printing process rest on the sheet / plate and roll on this / this.
  • the axial length of the Rolls is less than the distance between two juxtaposed grippers, so that one roll can easily intervene in the gap between two grippers.
  • at the embodiment with two juxtaposed spaced downers is preferably in each case one of the hold-downs in each case at a lateral end region of an axis-parallel Traverse be arranged.
  • the hold downs press the sheet / plate to the Pressure cylinder on.
  • the corona device in sheet travel direction at least one hold-down in front of the treatment electrode and a hold-down arranged after the treatment electrode.
  • the distance between the treatment electrode and the hold-down 2 mm Preferably, in each case the distance between the treatment electrode and the hold-down 2 mm. This ensures that the substrate in the region of the treatment gap at the counter electrode, that is to say the impression cylinder is applied.
  • the corona device pivoted away from its working position of the counter electrode can also be the hold-down from their hold-down position from the Working position e.g. be swung upwards.
  • printing materials made of plastic, substrates with a certain material thickness or the like, which have a certain rigidity must by means of hold-down against pressed or pressed the printing cylinder, so that the substrates actually on Pressure cylinder adjacent to the treatment gap to achieve optimal corona treatment results to reach and to avoid touching the treatment electrode.
  • hold-downs can be used, but only up to a maximum as many as gaps between grippers are formed, arranged on a traverse (recording) be.
  • the hold-down for example, spring loaded against the impression cylinder be pressed and roll on the substrate.
  • the hold-downs or the trusses on which the hold-down are arranged, are formed wegschwenkbar from the printing cylinder.
  • the suction opening on the treatment gap is aligned.
  • the rotary printing machine has at least two printing unit modules 101, 201, each with a printing tower, each with a blanket cylinder 108, 208, a plate cylinder 109, 209 and an inking unit (not shown) equipped are.
  • the first printing unit module 101 in the sheet running direction is a corona printing unit module 1 upstream.
  • the corona printing module 1 is a separate, independent module and has a pressure cylinder 2 designed as a counter electrode and a transfer drum 4 on.
  • the printing cylinder 2 opposite, the corona device 3 arranged with the treatment electrode, wherein the treatment electrode (Not shown) and the counter electrode (impression cylinder 2) between them the treatment gap form.
  • the treatment gap between the pressure cylinder 5 and the corona device 3 is chosen so that provided on the printing cylinder 2 gripper 5 this easily can happen.
  • the corona printing unit module 1 and the other printing unit modules 101, 201 each have a substantially same pressure cylinder 2,102, 202, a substantially same transfer drum 4, 104 204 and differ in that the printing unit modules 101, 201 are each provided with a printing tower, while the corona printing module 1 with a corona device 3 is provided.
  • the corona printing module 1 can also be between two Compressor modules 101 and 201 may be inserted or attached to the last printing module 201 connect and be mounted in front of the display 7. Due to the modular design must be to the Printing units no conversions or similar be made, the corona printing module 1 can also be retrofitted at any point on the rotary press as required, be inserted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Printing Methods (AREA)
  • Rotary Presses (AREA)
EP20030016019 2002-07-17 2003-07-15 Machine d'impression rotative Expired - Lifetime EP1418049B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10232255 2002-07-17
DE2002132255 DE10232255A1 (de) 2002-07-17 2002-07-17 Rotationsdruckmaschine

Publications (3)

Publication Number Publication Date
EP1418049A2 true EP1418049A2 (fr) 2004-05-12
EP1418049A3 EP1418049A3 (fr) 2006-03-15
EP1418049B1 EP1418049B1 (fr) 2010-05-12

Family

ID=30010072

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030016019 Expired - Lifetime EP1418049B1 (fr) 2002-07-17 2003-07-15 Machine d'impression rotative

Country Status (2)

Country Link
EP (1) EP1418049B1 (fr)
DE (2) DE10232255A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008132723A (ja) * 2006-11-29 2008-06-12 Komori Corp 液体転移装置

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005007437A1 (de) * 2005-02-18 2006-08-31 Man Roland Druckmaschinen Ag Bogendruckmaschine
PL1700692T3 (pl) 2005-03-10 2016-05-31 manroland sheetfed GmbH Urządzenie do transferu warstw nadających obraz z folii nośnej na arkusze drukarskie
JP2008540075A (ja) * 2005-05-04 2008-11-20 イスト メッツ ゲーエムベーハー 平面材料をコロナ処理する為の方法及び装置
DE102005038834A1 (de) * 2005-08-17 2007-02-22 Man Roland Druckmaschinen Ag Bogendruckmaschine
DE102006048523A1 (de) * 2005-12-27 2007-08-02 Man Roland Druckmaschinen Ag Überdruckbare Prägebeschichtung
DE102006056901A1 (de) 2005-12-27 2007-07-05 Man Roland Druckmaschinen Ag Prägebeschichtung für Folienbedruckstoffe
WO2009018951A2 (fr) * 2007-08-09 2009-02-12 Manroland Ag Traitement par plasma par compression
DE102007061398A1 (de) 2007-12-19 2009-06-25 Koenig & Bauer Aktiengesellschaft Verfahren und Vorrichtung zum Erfassen einer Kante von durchsichtigen oder durchscheinenden Bogen
DE102009016360A1 (de) 2009-04-07 2010-10-14 Steinemann Technology Ag Hochleistungsoberflächenbehandlungsvorrichtung
DE102016109044B3 (de) 2016-05-17 2017-07-06 Leonhard Kurz Stiftung & Co. Kg Vorrichtung zur Oberflächenbehandlung eines Substrats
US11123845B2 (en) 2017-06-21 2021-09-21 Hp Indigo B.V. Vacuum tables

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039073A1 (de) 2000-08-10 2002-02-28 Ist Metz Gmbh Vorrichtung und Verfahren zur Koronabehandlung von Flachmaterial
DE10041934A1 (de) 2000-08-25 2002-03-07 Roland Man Druckmasch Verfahren und Vorrichtung zum Beschichten von Druckprodukten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3115958C2 (de) * 1981-04-22 1983-12-29 Hahne, Ernst August, 4123 Allschwill "Verfahren zum Anfeuchten eines flexiblen bahnförmigen und mit einer durch Trocknung verfestigten Beschichtung versehenen Trägermaterials
DE19912054A1 (de) * 1999-03-18 2000-09-21 Inst Oberflaechenmodifizierung Verfahren zum Bedrucken und Kaschieren von flexiblen Materialien
DE19957929A1 (de) * 1999-12-01 2001-06-07 Koenig & Bauer Ag Verfahren und Vorrichtung zum Behandeln der Oberflächen von Bedruckstoffen in Druckmaschinen
DE10020648A1 (de) * 2000-04-27 2001-10-31 Heidelberger Druckmasch Ag Bogendruckmaschine
DE10106385A1 (de) * 2000-10-10 2002-04-11 Andreas Altmeyer Foliendruckverfahren und Vorrichtung hierzu

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039073A1 (de) 2000-08-10 2002-02-28 Ist Metz Gmbh Vorrichtung und Verfahren zur Koronabehandlung von Flachmaterial
DE10041934A1 (de) 2000-08-25 2002-03-07 Roland Man Druckmasch Verfahren und Vorrichtung zum Beschichten von Druckprodukten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008132723A (ja) * 2006-11-29 2008-06-12 Komori Corp 液体転移装置

Also Published As

Publication number Publication date
DE10232255A1 (de) 2004-02-05
EP1418049A3 (fr) 2006-03-15
EP1418049B1 (fr) 2010-05-12
DE50312704D1 (de) 2010-06-24

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