EP0679513B1 - Procédé et dispositif de guidage d'un support d'impression - Google Patents

Procédé et dispositif de guidage d'un support d'impression Download PDF

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Publication number
EP0679513B1
EP0679513B1 EP95104640A EP95104640A EP0679513B1 EP 0679513 B1 EP0679513 B1 EP 0679513B1 EP 95104640 A EP95104640 A EP 95104640A EP 95104640 A EP95104640 A EP 95104640A EP 0679513 B1 EP0679513 B1 EP 0679513B1
Authority
EP
European Patent Office
Prior art keywords
plate
printing
plate cylinder
guide
crossmember
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.)
Expired - Lifetime
Application number
EP95104640A
Other languages
German (de)
English (en)
Other versions
EP0679513A3 (fr
EP0679513A2 (fr
Inventor
Hans-Jürgen Kusch
Rudi Stellberger
Bernd Ruf
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0679513A2 publication Critical patent/EP0679513A2/fr
Publication of EP0679513A3 publication Critical patent/EP0679513A3/fr
Application granted granted Critical
Publication of EP0679513B1 publication Critical patent/EP0679513B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F27/00Devices for attaching printing elements or formes to supports
    • B41F27/12Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1206Feeding to or removing from the forme cylinder

Definitions

  • the invention relates to a method and an apparatus for guiding a pressure medium when feeding and Removal of the print carrier to or from a plate cylinder of a printing press.
  • Document WO-A 94 06630 shows a device for feeding a print medium to the plate cylinder of a printing press by means of a first guide element in the form of a Pressure roller, which can be pressed onto the plate cylinder and for removing the Printing plate from the plate cylinder by means of inking rollers usually provided, which are mounted on and off the plate cylinder.
  • the object of the invention is a method and to create a device that reliable feeding and discharging a print carrier to or from a plate cylinder allowed.
  • the device according to the invention makes it easy to guide the print carrier achieved a plate change.
  • the two guiding elements provide one hold down for this, that the surface of the print carrier is not covered with machine parts comes into contact; this will damage the sensitive printing area effectively prevented.
  • the Device is also designed so that always one of the two guiding elements only with the surface of the still unprinted, color-free printing medium (printing plate, Printing film) comes into contact, while the other only with the Surface of the already printed, color-bearing Comes in contact with the pressure carrier, soiling a not yet printed print carrier, especially at Clamp on the plate cylinder from the start locked out.
  • the two Guiding elements is a pair of roles.
  • Inexpensive - or at certain embodiments required - is also the Design, instead of continuous roles roll-shaped To use segments or runners.
  • Such Embodiment is cheaper once, but can also prove to be expedient or turn out to be a must to a Collision with the grippers of the terminal strips of the clamping and Avoid jigs.
  • the device is whatever it is constructed Guide elements - arranged off-center on a crossbar. ever after swiveled position comes through this offset always only the desired guide element with the surface of the Print carrier in contact.
  • the crosshead looks an inexpensive Variant of the device according to the invention the following Target mechanism.
  • This friction wheels is each assigned a freewheel, with a freewheel the opposite direction of entrainment of the other.
  • the Traverse itself is resilient in the pivoted lever stored. The friction wheels are controlled by a curve while feeding or removing a print medium to the Bearings of the impression cylinder pressed. According to the on the direction of rotation of the plate cylinder when closing and Removal of the pressure carrier coordinated directions of the The traverse becomes freewheels with the two guide elements automatically brought into the desired positions.
  • the guide element is another between the pivoting levers Traverse provided on the at least one guide element is fixed.
  • the guide element is provided rigidly attached to the feed table.
  • the guide element provides for safe removal of the plate to the feed table.
  • the guide elements are advantageously on a gap arranged between the grippers of the adhesive strips.
  • the design also proves to be advantageous, the device for supplying and removing the print carrier a pivoted protection of a printing unit Fasten. At the same time with the protection Remove the device, which is inevitable if Work on the rollers and cylinders of the printing unit are to be carried out.
  • Figures 1 to 5 show an advantageous embodiment the inventive device for feeding and discharging Print media in the two working positions (position A, Position B).
  • Fig. 1 shows the position of the pair of rollers 8 to one Time when the led over the feed table 2
  • Print carrier 1 printing plate or printing film
  • a sticking the front edge of the pressure plate 1 takes place in that a of the two clamping surfaces 4a, 5a perpendicular to the other Clamping surface 4a, 5a is moved.
  • the two idlers 9, 10 are eccentric on a swiveling crossbar 11 assembled.
  • Figures 2 and 3 indicate the position of the pair of rollers 8 during the mounting of the pressure plate 1 on the Plate cylinder 7 again (position B).
  • Position B By a Swiveling movement of the crossmember 11 swivels the pair of rollers in Position B at a defined distance from the plate cylinder.
  • the idler 9 holds the plate down while the Plate cylinder 7 in the direction of the arrow about its central axis rotates.
  • the pair of rollers 8 remains in this Position until the rear edge of the pressure plate 1 after a Rotation of the plate cylinder between the clamping surfaces 15a, 16a of the terminal strips 15, 16 of the rear edge clamping and Clamping device 14 is fixed.
  • Clamping devices and clamping of printing plates 1 are already sufficient known. To possible embodiments for such To name devices, be it on DE 41 28 994 A1 or DE 41 29 831 A1 referenced.
  • a guide element 18 is provided, which is part of the Feed table 2 is.
  • FIGS. 4 and 5 This is illustrated in FIGS. 4 and 5 shown.
  • Fig. 6 shows a side view of the pair of rollers with a first embodiment of an on and off mechanism '; in Fig. 7 is the corresponding device in plan view played.
  • the guide rollers 9, 10 are rigid on one rotatably mounted traverse 11 - in the case shown it is a square bearing.
  • the two Guide rollers 9, 10 are made up of eccentrically mounted bearings together roll-shaped segments 49 which are arranged so that the two positions (position A, position B) of the Guide rollers 9, 10 by rotating the crossbar 11 by one let certain angle be realized.
  • the distance between the roller-shaped segments 49 are dimensioned such that a Collision with the terminal strips 4.15 of the terminal and Clamps 3.14 excluded on the plate cylinder 7 is.
  • the end regions 52 of the crossmember 11 are via bushings 53 rotatably supported in bearing levers 54 arranged on both sides.
  • the end regions 52 of the crossmember 11 carry friction wheels 42.
  • Each Friction wheel 42 is a freewheel 43, 44 with opposite Carriage direction assigned on drive and operator side is.
  • the shaft 55 is rotatable in the bearing levers 54 and rigidly connected to the printing unit protection 29 Fastening parts 54 stored.
  • On the fastening part 53 on the drive side a bolt 51 is attached, the with a curve 28 cooperates. Controlled via curve 28 the bearing lever 54 carrying the pair of rollers 8 around the Center axis of shaft 55 rotated. This is work against the force of the tension spring 50 is achieved.
  • the Guide rollers 9, 10 which in turn are made in the case shown individual roller-shaped segments 49 are rigid on a rotatably mounted crossbar 11, in the illustrated Case on a square, attached. Because the roll-shaped Segments 49 of each of the two guide rollers 9, 10 eccentric are arranged, can be turned by turning the crossmember 11 set both desired positions.
  • the crossmember 11 carries bearings 20 on both sides, each in an elongated hole 21 of the fastening parts 27 on springs 22 are stored.
  • On the spring-loaded crossbar 11, with the Guide rollers 9, 10 is controlled by a curve 28 to Setting the two positions of the pair of rollers 8 a Exercised strength.
  • 11 are friction wheels 42 on the cross member rotatably mounted.
  • the friction wheels 42 carry on their circumference one protruding rubber ring 48 each.
  • Another Traverse 25 couples the two levers 24 rigidly together. Is on the two levers 24 and thus on the crossbar 11th and the guide rollers 9, 10 by means of the cam control Exerted force, the friction wheels 42 on the Bearings 33 of the plate cylinder 7 pressed.
  • the friction wheels 42 each have a freewheel 43, 44, the freewheel 44 on the operator side being different Driving direction has as the freewheel 43 on the Drive side.
  • the direction of travel of the freewheels 43, 44 is chosen such that the crossmember 11 with the guide rollers 9, 10 in the case of plate feed in position B and in the case the plate ejection is swiveled to position A.
  • pins 45 provided with an appropriately adapted form of Fastening parts 27 cooperate.
  • FIG. 8 in side view and 9, 10 can be seen in plan view, another Traverse 26 (square) rigidly arranged on both sides Lever 24 stored.
  • this traverse 26 On this traverse 26 are the Guide elements 18 by means of arranged on both sides Circlips fixed.
  • the traverse 26 with the Guide elements 18 makes due to the rigid coupling Pivotal movement of the lever 24 with.
  • the guide elements 18 are arranged on the cross member 26 so that they are not with the terminal strips 4, 5, 15, 16 of the terminal and Clamps 3, 14 for the plate front and collide trailing edge.
  • roller-shaped segments 49 shown in FIGS. 9 and 10 consist of symmetrically shaped, disc-shaped Share 34 by means of a pin 36 and over Circlips 37 held together and over the latter are additionally fixed off-center on the traverse 11.
  • a ring 35 is rotatably mounted in a recess in the circumferential direction.
  • the device for feeding and Ejecting a printing plate 1 via two-sided, angled fastening parts 27 with the printing unit protection 29 screwed As shown in Fig. 8, the device for feeding and Ejecting a printing plate 1 via two-sided, angled fastening parts 27 with the printing unit protection 29 screwed. For the sake of clarity, these are Fastening parts 29 in the top view according to FIGS. 9 and 10 omitted.
  • the printing unit protection 29 is with a pivotable about the axis 31 lever 30 screwed.
  • the printer In order to be able to carry out work on the printing unit, the printer must fold up the protection 29. advantageously, is chosen by the chosen construction Plate feeder moved away at the same time, with what unimpeded access to the printing unit, for example to Cleaning purposes.
  • Fig. 11 is another on and off mechanism for the pair of roles 8 shown. With the exception of this Mechanism 'match the other elements with those from the Fig. 9 and Fig. 10 match.
  • a lever 46 To pivot the Traverse 11 is a lever 46 with the roller pin 41 coupled.
  • An actuating element 47 is assigned to the lever 46, by applying a force F to the lever required operations depending on the Angular position of the printing machine.
  • the control element is, for example, a Lift cylinder with two working positions or around one Magnet. Of course, an electric motor can also be used Application come.

Claims (10)

  1. Procédé destiné à amener un support d'impression au cylindre porte-plaque d'une machine à imprimer, au moyen d'un premier élément de guidage, et à évacuer la plaque d'impression du cylindre porte-plaque au moyen d'un second élément de guidage, les éléments de guidage étant disposés avec leurs axes parallèles à celui du cylindre porte-plaque,
    caractérisé en ce que le premier élément de guidage (9), lors de l'amenée de la plaque d'impression est appliqué contre le cylindre porte-plaque (7), tandis que le second élément de guidage (10) est dégagé, en ce que le sens de rotation du cylindre porte-plaque (7), lors de l'évacuation de la plaque d'impression, est opposé à celui utilisé pour l'amenée de la plaque d'impression, et en ce que pour l'évacuation de la plaque d'impression, le second élément de guidage (10) est appliqué contre le cylindre porte-plaque (7), tandis que le premier élément de guidage (9) est dégagé, les éléments de guidage (9, 10) étant disposés sur une traverse commune (11).
  2. Dispositif destiné à amener un support d'impression au cylindre porte-plaque d'une machine à imprimer, au moyen d'un premier élément de guidage, et à évacuer la plaque d'impression du cylindre porte-plaque au moyen d'un second élément de guidage, les éléments de guidage étant disposés avec leurs axes parallèles à celui du cylindre porte-plaque,
    caractérisé en ce qu'aux éléments de guidage (9, 10) est associée une traverse commune (11), qui est montée de manière à pouvoir être actionnée de façon telle que les éléments de guidage (9, 10) puissent être alternativement appliqués contre le cylindre porte-plaque ou en être dégagés, pour l'amenée et respectivement l'évacuation de la plaque d'impression.
  3. Dispositif selon la revendication 2,
    caractérisé en ce qu'il s'agit, en ce qui concerne les éléments de guidage (8), d'une paire de rouleaux (9, 10).
  4. Dispositif selon la revendication 2,
    caractérisé en ce que les éléments de guidage (8) sont réalisés sous la forme de segments de rouleau (49) ou de patins.
  5. Dispositif selon la revendication 3 ou 4,
    caractérisé en ce que les éléments de guidage (9, 10) sont disposés de manière excentrée sur la traverse (11).
  6. Dispositif selon la revendication 2 ou 5,
    caractérisé en ce que le mécanisme d'actionnement (12) est constitué des élément suivants :
    deux roues de friction (42) qui sont montées en rotation sur la traverse (11),
    des roues libres (43, 44) à sens d'entraínement opposés, associées aux roues de friction,
    au moins un levier pivotant (54) dans lequel est montée la traverse (11), et
    une commande à cames, qui presse les roues de friction (42) contre les bagues de marche (33) du cylindre porte-plaque (7), durant le changement du support d'impression (1).
  7. Dispositif selon la revendication 5,
    caractérisé en ce que sur la traverse (11) est disposé un levier (46) qui peut être actionné par l'intermédiaire d'un élément d'actionnement (47).
  8. Dispositif selon la revendication 7,
    caractérisé en ce qu'en ce qui concerne l'élément d'actionnement (47), il s'agit d'un vérin d'actionnement à deux positions de travail, d'un aimant, ou d'un moteur électrique.
  9. Dispositif selon la revendication 6,
    caractérisé en ce que sur les leviers (24) montés pivotants, est fixée de manière rigide, une autre traverse (26) sur laquelle est fixé au moins un élément de guidage (18).
  10. Dispositif selon la revendication 2,
    caractérisé en ce que le dispositif d'amenée et d'évacuation (2, 8) pour le support d'impression (1), est fixé sur une protection de groupe d'impression (29) montée pivotante.
EP95104640A 1994-04-26 1995-03-29 Procédé et dispositif de guidage d'un support d'impression Expired - Lifetime EP0679513B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4414443 1994-04-26
DE4414443A DE4414443C1 (de) 1994-04-26 1994-04-26 Vorrichtung zum Führen eines Druckträgers

Publications (3)

Publication Number Publication Date
EP0679513A2 EP0679513A2 (fr) 1995-11-02
EP0679513A3 EP0679513A3 (fr) 1996-11-13
EP0679513B1 true EP0679513B1 (fr) 2002-06-12

Family

ID=6516413

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95104640A Expired - Lifetime EP0679513B1 (fr) 1994-04-26 1995-03-29 Procédé et dispositif de guidage d'un support d'impression

Country Status (5)

Country Link
US (1) US5738015A (fr)
EP (1) EP0679513B1 (fr)
JP (1) JP3790563B2 (fr)
CA (1) CA2144194C (fr)
DE (2) DE4414443C1 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10238177B3 (de) * 2002-08-21 2004-02-05 Koenig & Bauer Ag Vorrichtung zum Andrücken eines Aufzugs an einen Zylinder einer Druckmaschine mit Hilfe von in Umfangsrichtung des Zylinders voneinander beabstandeten ersten und zweiten Wälzelementen
DE4440239C5 (de) * 1994-11-10 2007-11-22 Man Roland Druckmaschinen Ag Wälzelement zum Andrücken einer flexiblen Druckplatte an den Formzylinder
GB9509479D0 (en) * 1995-05-10 1995-07-05 Btr Plc Manipulation of printing blankets
US6113346A (en) 1996-07-31 2000-09-05 Agfa Corporation Method for loading and unloading a supply of plates in an automated plate handler
JPH1120131A (ja) * 1997-07-03 1999-01-26 Ryobi Ltd 印刷機の刷版咥え装置
US6125757A (en) * 1998-10-19 2000-10-03 Heidelberger Druckmaschinen Ag Method and apparatus for performing a flying printing plate change
JP2001260320A (ja) * 2000-03-14 2001-09-25 Fuji Photo Film Co Ltd 可撓性刷版の装着方法および装着装置
US6295929B1 (en) * 2000-02-25 2001-10-02 Agfa Corporation External drum imaging system
DE10120952A1 (de) * 2000-05-17 2001-11-22 Heidelberger Druckmasch Ag An- und abstellbare Leitelemente für das Auswechseln eines Druckträgers
DE10024329A1 (de) * 2000-05-17 2001-11-22 Koenig & Bauer Ag Verfahren und Vorrichtungen zum Andrücken eines Aufzuges auf einen Zylinder
DE10247587A1 (de) * 2002-10-11 2004-04-22 Man Roland Druckmaschinen Ag Verfahren zur Montage und Demontage flexibler Druckplatten
DE102004022866A1 (de) * 2003-07-11 2005-01-27 Koenig & Bauer Ag Vorrichtung und Verfahren zum Aufziehen und/oder Abnehmen einer Druckform
JP4498028B2 (ja) 2004-06-25 2010-07-07 リョービ株式会社 印刷機
JP4383973B2 (ja) * 2004-06-25 2009-12-16 リョービ株式会社 印刷機
JP4426387B2 (ja) 2004-06-25 2010-03-03 リョービ株式会社 印刷機
DE102008019937A1 (de) 2007-05-14 2008-11-20 Heidelberger Druckmaschinen Ag Vorrichtung zum Zuführen von Druckplatten zu einem Druckplattenzylinder

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JPS62169647A (ja) * 1986-01-22 1987-07-25 Mitsubishi Heavy Ind Ltd 印刷機の版胴における版の尻側端部取外し装置
JPS62169646A (ja) * 1986-01-22 1987-07-25 Mitsubishi Heavy Ind Ltd 印刷機の版胴における版の尻側端部插入装置
JPH07115462B2 (ja) * 1988-01-06 1995-12-13 三菱重工業株式会社 刷版の版胴への着脱ロボット用ハンド
US5259314A (en) * 1989-12-06 1993-11-09 Komori Corporation Plate mounting apparatus for printing press
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DE8915693U1 (fr) * 1989-12-09 1991-03-07 Koenig & Bauer Ag, 8700 Wuerzburg, De
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JP2844539B2 (ja) * 1989-12-15 1999-01-06 株式会社小森コーポレーション 印刷機の刷版保持装置
DE4129831C3 (de) * 1990-12-21 1998-08-13 Heidelberger Druckmasch Ag Schnellklemmvorrichtung
DE4128994A1 (de) * 1990-12-31 1992-07-02 Heidelberger Druckmasch Ag Klemm- und spanneinrichtung
JP2570485Y2 (ja) * 1991-06-24 1998-05-06 株式会社小森コーポレーション 印刷機の刷版交換装置
DE4218602C2 (de) * 1991-08-28 1993-11-11 Heidelberger Druckmasch Ag Vorrichtung zum Einführen der Druckplattenhinterkante an einem Plattenzylinder
EP0530577B1 (fr) * 1991-08-31 1996-06-19 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif pour positionner un chargeur servant au remplacement automatique des plaques d'impression
DE4130359C2 (de) * 1991-09-12 1997-04-17 Heidelberger Druckmasch Ag Vorrichtung zum Ab- und/oder Zuführen von Druckplatten einer Druckmaschine
US5272977A (en) * 1992-02-05 1993-12-28 Toshiba Kikai Kabushiki Kaisha Printing plate mounting apparatus, printing plate replacement apparatus and printing plate replacement method
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DE4309658C1 (de) * 1993-03-25 1994-10-27 Roland Man Druckmasch Vorrichtung zum automatischen Wechseln von Druckplatten bei Bogenoffsetdruckmaschinen mit mehreren Druckwerken

Also Published As

Publication number Publication date
JP3790563B2 (ja) 2006-06-28
US5738015A (en) 1998-04-14
DE4414443C1 (de) 1995-11-30
CA2144194A1 (fr) 1995-10-27
CA2144194C (fr) 1999-06-01
EP0679513A3 (fr) 1996-11-13
EP0679513A2 (fr) 1995-11-02
JPH07290690A (ja) 1995-11-07
DE59510234D1 (de) 2002-07-18

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