EP1278634A2 - Method and devices for fastening a flexible plate - Google Patents

Method and devices for fastening a flexible plate

Info

Publication number
EP1278634A2
EP1278634A2 EP00949057A EP00949057A EP1278634A2 EP 1278634 A2 EP1278634 A2 EP 1278634A2 EP 00949057 A EP00949057 A EP 00949057A EP 00949057 A EP00949057 A EP 00949057A EP 1278634 A2 EP1278634 A2 EP 1278634A2
Authority
EP
European Patent Office
Prior art keywords
cylinder
pit
fastening
plate
leg
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
EP00949057A
Other languages
German (de)
French (fr)
Other versions
EP1278634B1 (en
Inventor
Georg Schneider
Karl Robert SCHÄFER
Roland Bernd Hofmann
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
Priority to EP03101549A priority Critical patent/EP1350623B1/en
Priority to EP03101551A priority patent/EP1350624B1/en
Publication of EP1278634A2 publication Critical patent/EP1278634A2/en
Application granted granted Critical
Publication of EP1278634B1 publication Critical patent/EP1278634B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F27/00—Devices for attaching printing elements or formes to supports
    • B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41F27/1262—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means

Definitions

  • the invention relates to a method and devices for fastening a flexible plate on a cylinder of a rotary printing press according to the preamble of claim 1, 6 or 8.
  • DE 43 35 140 C1 discloses a device for fastening a flexible printing plate on the form cylinder of a rotary printing press with at least one cylinder pit running in the axial direction.
  • a leading and acute-angled hanging leg is hooked onto an edge of the first pit wall of the cylinder pit of the forme cylinder.
  • a trailing suspension leg can be placed against the second pit wall of the cylinder pit, which runs approximately in the radial direction of the forme cylinder.
  • the cylinder pit receives a spindle that can be swiveled around its axis. Two leaf springs, each distributed across the width of the pressure plate, are fastened to the spindle and can be brought into or out of engagement with the hanging legs when the spindle is pivoted.
  • EP 06 06 604 B1 discloses a device for the positive fastening of a pressure plate.
  • clamping strips are actuated by means of an air hose.
  • the invention has for its object to provide a method and devices for fastening a flexible plate on a cylinder of a rotary printing press.
  • the advantages which can be achieved with the invention consist in particular in the fact that a robust, simply constructed and inexpensive to produce device has been created.
  • the device can be adjusted in three positions without turning the spindle. This device is particularly suitable for clamping and releasing several plates arranged on the circumference of a cylinder.
  • Another advantage of the device is that its axial extension can consist of several short base bodies. This makes it possible to z. B. for maintenance purposes from the side of the cylinder pit without having to disassemble the cylinder from the side frame. Automatic plate feeding and removal using known devices is possible.
  • Fig. 1 shows a cylinder in cross section with two on the circumference by means of two
  • FIG. 2 shows an illustration of a device according to FIG. 1 on an enlarged scale
  • 3 shows a representation analogous to FIG. 2, but in a first release position
  • FIG. 4 representation analogous to FIG. 2, but in a second release position
  • 5 shows a section V - V according to FIG. 2.
  • a cylinder 01 e.g. B. a plate or blanket cylinder of a rotary printing press is for receiving two flexible plates 02; 58 with two cylinder pits 03; 59 provided.
  • Each cylinder pit 03; 59 carries a front or "leading" hanging leg 06 on each front edge 04 pointing in the production direction A of the cylinder 01; 61 of plate 02; 58.
  • Each plate 02; 58 also has a rear or "trailing" hanging leg 07; 62, which on a second rear edge 08 of the same cylinder pit 03; 59 is mounted.
  • the second pit wall 13, which runs approximately in the radial direction of the cylinder 01, has an obtuse opening angle Beta of approximately 95 ° to the lateral surface 11. Both edges 04; 08 or vertices of the opening angle alpha; Beta are separated by a fastening slot 09.
  • the mounting slot 09 is formed in its inside width b in such a way that at least two hanging legs 06, 62 and 07, 61 find space next to one another, which fit into the cylinder pit 03; 59 protrude.
  • the plates 02; 58 can e.g. B. as flexible printing plates - also several lying side by side - or as flexible carrier plates with rubber blankets arranged on them.
  • the cylinder pit 03; 59 can be approximately circular in cross section and is connected to the lateral surface 11 by the fastening slot 09.
  • Each cylinder pit 03; 59 takes in each case an identically designed clamping device 14; 16, which is arranged in a base body 19.
  • the base body 19 has the shape of a longitudinally separated tube (channel-shaped), which themselves in the cylinder pit 03; 59 extends in the axis-parallel direction and points with its opening in the direction of the first pit wall 12 or in the direction of the fastening slot 09.
  • the channel-shaped base body 19 can have a C-shaped or U-shaped cross-section, round, oval or polygonal.
  • the cross section of the cylinder body 03 is adapted to the cross section of the base body 19.
  • the base body 19 is in the axis-parallel direction in a plurality of shorter base bodies 32; 33; 34 divided.
  • Each base body 32; 33; 34 is opposite the adjacent base body 32; 33; 34 releasable, e.g. B. connected by means of a clutch.
  • This clutch can e.g. B. act positively and by means of a double-sided toothing 36; 37 the base body 32; 33; 34 can be realized.
  • a free end of the in the cylinder pit 03; 59 located first and last base body is rotatably connected to an end coupling piece 38.
  • the end coupling piece 38 is the cylinder pit 03; 59 overlapping parts attached to the flanks of the cylinder 01, for. B. screwed.
  • the device can, for. B. for maintenance purposes from the cylinder pit 03; 59 can be removed without the cylinder 01 having to be removed from the side frame.
  • Movable tensioning and / or clamping elements are arranged in each base body 19 or 32 to 34 and consist of two strips 39; 41 exist.
  • First or lower ends 42; 43 are at a clear distance g, z.
  • B. a sixth or eighth of the diameter d of the cylinder pit 03; 59, pivoted from each other in abutments 44.
  • the abutments 44 can be made in the base body 19 or in each case in the base body 32 to 34 arranged slots 45 exist, in which parts of the lower end 42; 43 of the bar 39; 41 intervene.
  • Second or upper hook-in legs near ends 46; 47 (force application ends) of the strips 39; 41 protrude from the interior 29 of the base body 19 or 32 to 34 and are directly or indirectly in operative connection with the opposite hanging legs 06, 62 or 07, 61 and press them by the force of at least one spring 48; 49, e.g. B. compression spring against the first or second pit wall 12; 13 on.
  • the compression springs 48; 49 are each between the inner wall 28 of the base body 19 and the outer side 51; 52 of the bar 39; 41 arranged.
  • a rolling element e.g. B. a pinch roller 53 is arranged.
  • each base body 32 to 34 is located in a recess 54 located at the upper end 46 of the bar 39 near the hanging leg ; Press 62 (Fig. 1 and 2).
  • the air hose 27 is z. B. provided with a valve and is pressurized via a connected line, not shown, to the cylinder journal and by means of a known rotary introduction if necessary with compressed air.
  • a pressure force F1 exerted by the spring 48 is greater than a pressure force F2 exerted by the spring 49.
  • the parts 39; located in the interior 29 of the base body 19; 41; 48; 49; 53 are referred to as clamping and / or tensioning elements. This also applies to the shorter base bodies 32 to 34.
  • a method for releasing a plate 02 from two flexible plates 02; fixed on the circumference of the cylinder 01; 58 proceeds as follows:
  • the air hose 27 of the first clamping device 14 is pressurized with compressed air of approximately four bar.
  • the strips 39; 41 against the force F1; F2 of springs 48; 49 pivoted into a first release position X (FIG. 3). All clamps are removed.
  • the rear suspension leg 07 of the plate 02 snaps out of the fastening slot 09 due to its inherent tension.
  • the front suspension leg 61 of the second plate 58 is held on the front edge 04 of the cylinder pit 03.
  • the air pressure for the hose 27 of the clamping device 14 is reduced.
  • the air hose 27 of the second clamping device 16 is now pressurized with compressed air of approximately two bar.
  • the strip 41 is pivoted against the force 72 of the weaker spring 49, so that the front suspension leg 06 of the plate 02 is released in a second release position Y.
  • the rear suspension leg 62 of the second plate 58 remains pinched, since the spring 48 with the greater pressure force F1 does not give in to the pressure "of the air hose 27.
  • Plates 02 or 58 are clamped in the reverse order.
  • Beta opening angle (13; 11)

Abstract

According to an inventive method for fastening a flexible plate with bent hanging limbs on a printing machine cylinder, a plurality of plates are arranged on the periphery. By actuating a first clamping device (14), only the rear hanging limb (07) of a plate (02) is firstly released. By actuating a second clamping device (16), the front hanging limb (06) of the plate is released. The invention also relates to a corresponding device.

Description

Beschreibungdescription
Verfahren und Vorrichtungen zum Befestigen einer biegsamen PlatteMethod and devices for attaching a flexible plate
Die Erfindung betrifft ein Verfahren und Vorrichtungen zum Befestigen einer biegsamen Platte auf einem Zylinder einer Rotationsdruckmaschine entsprechend dem Oberbegriff des Anspruches 1, 6 oder 8.The invention relates to a method and devices for fastening a flexible plate on a cylinder of a rotary printing press according to the preamble of claim 1, 6 or 8.
Durch die DE 43 35 140 C1 ist eine Vorrichtung zum Befestigen einer biegsamen Druckplatte auf dem Formzylinder einer Rotationsdruckmaschine mit zumindest einer in Achsrichtung verlaufenden Zylindergrube bekannt.DE 43 35 140 C1 discloses a device for fastening a flexible printing plate on the form cylinder of a rotary printing press with at least one cylinder pit running in the axial direction.
Ein vorlaufender und spitzwinklig abgekanteter Einhängeschenkel ist an einer Kante der ersten Grubenwand der Zylindergrube des Formzylinders eingehängt. Ein nachlaufender Einhängeschenkel ist an die in etwa in radialer Richtung des Formzylinders verlaufende zweite Grubenwand der Zylindergrube anlegbar. Die Zylindergrube nimmt eine um ihre Achse schwenkbare Spindel auf. An der Spindel sind zwei jeweils über die Breite der Druckplatte verteilte Blattfedern befestigt, welche beim Verschwenken der Spindel mit den Einhängeschenkeln in bzw. außer Eingriff bringbar sind.A leading and acute-angled hanging leg is hooked onto an edge of the first pit wall of the cylinder pit of the forme cylinder. A trailing suspension leg can be placed against the second pit wall of the cylinder pit, which runs approximately in the radial direction of the forme cylinder. The cylinder pit receives a spindle that can be swiveled around its axis. Two leaf springs, each distributed across the width of the pressure plate, are fastened to the spindle and can be brought into or out of engagement with the hanging legs when the spindle is pivoted.
Die DE 38 12 137 A1 beschreibt eine Vorrichtung zum Befestigen einer Druckplatte, bei der in einer Hohlwelle zwei schwenkbare Befestigungselemente gelagert sind.DE 38 12 137 A1 describes a device for fastening a pressure plate, in which two pivotable fastening elements are mounted in a hollow shaft.
Die EP 06 06 604 B1 offenbart eine Vorrichtung zum formschlüssigen Befestigen einer Druckplatte. Dabei werden Spannleisten mittels eines Luftschlauches betätigt. Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und Vorrichtungen zum Befestigen einer biegsamen Platte auf einem Zylinder einer Rotationsdruckmaschine zu schaffen.EP 06 06 604 B1 discloses a device for the positive fastening of a pressure plate. Here, clamping strips are actuated by means of an air hose. The invention has for its object to provide a method and devices for fastening a flexible plate on a cylinder of a rotary printing press.
Die Aufgabe wird durch die Merkmale der Ansprüche 1, 6 oder 8 gelöst.The object is achieved by the features of claims 1, 6 or 8.
Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß eine robuste, einfach aufgebaute und kostengünstig herstellbare Vorrichtung geschaffen wurde. Die Vorrichtung ist ohne Spindelverdrehung in drei Positionen verstellbar. Diese Vorrichtung ist besonders geeignet zum Klemmen und Lösen von mehreren am Umfang eines Zylinders angeordneter Platten. Ein weiterer Vorteil der Vorrichtung besteht darin, daß diese in ihrer axialen Ausdehnung aus mehreren kurzen Basiskörpern bestehen kann. Dadurch wird es möglich, die Vorrichtung z. B. für Wartungszwecke stückweise seitlich aus der Zylindergrube zu entnehmen, ohne den Zylinder dabei aus dem Seitengestell demontieren zu müssen. Eine automatische Plattenzu- und -abführung mittels bekannter Vorrichtungen ist möglich.The advantages which can be achieved with the invention consist in particular in the fact that a robust, simply constructed and inexpensive to produce device has been created. The device can be adjusted in three positions without turning the spindle. This device is particularly suitable for clamping and releasing several plates arranged on the circumference of a cylinder. Another advantage of the device is that its axial extension can consist of several short base bodies. This makes it possible to z. B. for maintenance purposes from the side of the cylinder pit without having to disassemble the cylinder from the side frame. Automatic plate feeding and removal using known devices is possible.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is shown in the drawing and will be described in more detail below.
Es zeigen:Show it:
Fig. 1 einen Zylinder im Querschnitt mit zwei am Umfang mittels zweierFig. 1 shows a cylinder in cross section with two on the circumference by means of two
Vorrichtungen festgeklemmter Platten in Plattenhaltestellung; Fig. 2 eine Darstellung einer Vorrichtung nach Fig. 1 in vergrößertem Maßstab; Fig. 3 eine Darstellung analog Fig. 2, jedoch in einer ersten Freigabestellung; Fig. 4 Darstellung analog Fig. 2, jedoch in einer zweiten Freigabestellung; Fig. 5 einen Schnitt V - V nach Fig. 2. Ein Zylinder 01 , z. B. ein Platten- oder Gummituchzylinder einer Rotationsdruckmaschine ist zur Aufnahme von zwei an seinem Umfang befindlichen biegsamen Platten 02; 58 mit zwei in Achsrichtung verlaufenden Zylindergruben 03; 59 versehen. Jede Zylindergrube 03; 59 trägt an einer jeden in Produktionsrichtung A des Zylinders 01 weisenden vorderen Kante 04 einen vorderen oder "vorauslaufenden" Einhängeschenkel 06; 61 der Platte 02; 58. Jede Platte 02; 58 weist noch einen hinteren oder "nachlaufenden" Einhängeschenkel 07; 62 auf, welcher an einer zweiten hinteren Kante 08 der gleichen Zylindergrube 03; 59 eingehangen ist.Devices of clamped plates in plate holding position; FIG. 2 shows an illustration of a device according to FIG. 1 on an enlarged scale; 3 shows a representation analogous to FIG. 2, but in a first release position; FIG. 4 representation analogous to FIG. 2, but in a second release position; 5 shows a section V - V according to FIG. 2. A cylinder 01, e.g. B. a plate or blanket cylinder of a rotary printing press is for receiving two flexible plates 02; 58 with two cylinder pits 03; 59 provided. Each cylinder pit 03; 59 carries a front or "leading" hanging leg 06 on each front edge 04 pointing in the production direction A of the cylinder 01; 61 of plate 02; 58. Each plate 02; 58 also has a rear or "trailing" hanging leg 07; 62, which on a second rear edge 08 of the same cylinder pit 03; 59 is mounted.
Ein zwischen der Mantelfläche 11 des Zylinders 01 und der ersten Grubenwand 12 der Zylindergrube 03; 59 ist ein spitzer Öffnungswinkel Alpha gebildet, z. B. bis 45°. Die zweite, etwa in radialer Richtung des Zylinders 01 verlaufende Grubenwand 13 weist einen stumpfen Öffnungswinkel Beta von etwa 95° zur Mantelfläche 11 auf. Beide Kanten 04; 08 oder auch Scheitelpunkte der Öffnungswinkel Alpha; Beta sind durch einen Befestigungsschlitz 09 getrennt.A between the lateral surface 11 of the cylinder 01 and the first pit wall 12 of the cylinder pit 03; 59 an acute opening angle alpha is formed, e.g. B. up to 45 °. The second pit wall 13, which runs approximately in the radial direction of the cylinder 01, has an obtuse opening angle Beta of approximately 95 ° to the lateral surface 11. Both edges 04; 08 or vertices of the opening angle alpha; Beta are separated by a fastening slot 09.
Der Befestigungsschlitz 09 ist in seiner lichten Weite b so ausgebildet, daß nebeneinander zumindest zwei Einhängeschenkel 06, 62 bzw. 07, 61 darin Platz finden, welche in die Zylindergrube 03; 59 ragen.The mounting slot 09 is formed in its inside width b in such a way that at least two hanging legs 06, 62 and 07, 61 find space next to one another, which fit into the cylinder pit 03; 59 protrude.
Die Platten 02; 58 können z. B. als biegsame Druckplatten - auch mehrere nebeneinander liegend - oder als biegsame Trägerplatten mit darauf angeordneten Gummitüchern ausgebildet sein.The plates 02; 58 can e.g. B. as flexible printing plates - also several lying side by side - or as flexible carrier plates with rubber blankets arranged on them.
Die Zylindergrube 03; 59 kann im Querschnitt etwa kreisförmig sein und ist durch den Befestigungsschlitz 09 mit der Mantelfläche 11 verbunden.The cylinder pit 03; 59 can be approximately circular in cross section and is connected to the lateral surface 11 by the fastening slot 09.
Jede Zylindergrube 03; 59 nimmt jeweils eine gleich ausgebildete Klemmvorrichtung 14; 16 auf, welche in einem Basiskörper 19 angeordnet ist. Der Basiskörper 19 hat die Form eines längsgetrennten Rohres (rinnenförmig), welcher sich in der Zylindergrube 03; 59 in achsparalleler Richtung erstreckt und mit seiner Öffnung in Richtung erster Grubenwand 12 bzw. in Richtung Befestigungsschlitz 09 weist.Each cylinder pit 03; 59 takes in each case an identically designed clamping device 14; 16, which is arranged in a base body 19. The base body 19 has the shape of a longitudinally separated tube (channel-shaped), which themselves in the cylinder pit 03; 59 extends in the axis-parallel direction and points with its opening in the direction of the first pit wall 12 or in the direction of the fastening slot 09.
Der rinnenförmige Basiskörper 19 kann im Querschnitt C-förmig oder U-förmig, rund, oval oder mehreckig ausgebildet sein. Dem Querschnitt des Basiskörpers 19 ist der Querschnitt der Zylindergrube 03 angepaßt.The channel-shaped base body 19 can have a C-shaped or U-shaped cross-section, round, oval or polygonal. The cross section of the cylinder body 03 is adapted to the cross section of the base body 19.
Nach einer in Fig. 5 gezeigten Ausführungsvariante ist der Basiskörper 19 in achsparalleler Richtung in mehrere kürzere Basiskörper 32; 33; 34 unterteilt. Jeder Basiskörper 32; 33; 34 ist gegenüber dem benachbarten Basiskörper 32; 33; 34 lösbar, z. B. mittels einer Kupplung verbunden. Diese Kupplung kann z. B. formschlüssig wirken und mittels einer beidendigen Verzahnung 36; 37 der Basiskörper 32; 33; 34 realisiert werden.According to an embodiment variant shown in FIG. 5, the base body 19 is in the axis-parallel direction in a plurality of shorter base bodies 32; 33; 34 divided. Each base body 32; 33; 34 is opposite the adjacent base body 32; 33; 34 releasable, e.g. B. connected by means of a clutch. This clutch can e.g. B. act positively and by means of a double-sided toothing 36; 37 the base body 32; 33; 34 can be realized.
Ein freies Ende des sich in der Zylindergrube 03; 59 befindlichen ersten und letzten Basiskörpers ist drehfest mit einem Endkuppelstück 38 verbunden. Das Endkuppelstück 38 ist mit seinen die Zylindergrube 03; 59 überdeckenden Teilen an den Flanken des Zylinders 01 befestigt, z. B. verschraubt.A free end of the in the cylinder pit 03; 59 located first and last base body is rotatably connected to an end coupling piece 38. The end coupling piece 38 is the cylinder pit 03; 59 overlapping parts attached to the flanks of the cylinder 01, for. B. screwed.
Durch die Verwendung von mehreren kurzen Basiskörpern 32 bis 34 kann die Vorrichtung z. B. zu Wartungszwecken aus der Zylindergrube 03; 59 entnommen werden, ohne daß dabei der Zylinder 01 aus dem Seitengestell demontiert werden muß.By using several short base bodies 32 to 34, the device can, for. B. for maintenance purposes from the cylinder pit 03; 59 can be removed without the cylinder 01 having to be removed from the side frame.
In jedem Basiskörper 19 oder 32 bis 34 sind bewegbare Spann- und/oder Klemmelemente angeordnet, die aus zwei parallel zueinander verlaufenden Leisten 39; 41 bestehen. Erste oder untere Enden 42; 43 sind in einem lichten Abstand g, z. B. einem Sechstel oder Achtel des Durchmessers d der Zylindergrube 03; 59, voneinander in Widerlagern 44 schwenkbar gelagert. Die Widerlager 44 können aus in dem Basiskörper 19 bzw. jeweils in den Basiskörpern 32 bis 34 angeordneten Schlitzen 45 bestehen, in welche Teile des unteren Endes 42; 43 der Leiste 39; 41 eingreifen.Movable tensioning and / or clamping elements are arranged in each base body 19 or 32 to 34 and consist of two strips 39; 41 exist. First or lower ends 42; 43 are at a clear distance g, z. B. a sixth or eighth of the diameter d of the cylinder pit 03; 59, pivoted from each other in abutments 44. The abutments 44 can be made in the base body 19 or in each case in the base body 32 to 34 arranged slots 45 exist, in which parts of the lower end 42; 43 of the bar 39; 41 intervene.
Zweite oder obere einhängeschenkelnahe, etwa rechtwinklig abgekantete Enden 46; 47 (Kraftangriffsenden) der Leisten 39; 41 ragen aus dem Innenraum 29 des Basiskörpers 19 oder 32 bis 34 heraus und sind direkt oder indirekt mit den jeweils gegenüberliegenden Einhängeschenkeln 06, 62 bzw. 07, 61 in Wirkverbindung und drücken diese durch die Kraft von jeweils zumindest einer Feder 48; 49, z. B. Druckfeder gegen die erste bzw. zweite Grubenwand 12; 13 an. Die Druckfedern 48; 49 sind jeweils zwischen der Innenwand 28 des Basiskörpers 19 und der Außenseite 51 ; 52 der Leiste 39; 41 angeordnet.Second or upper hook-in legs near ends 46; 47 (force application ends) of the strips 39; 41 protrude from the interior 29 of the base body 19 or 32 to 34 and are directly or indirectly in operative connection with the opposite hanging legs 06, 62 or 07, 61 and press them by the force of at least one spring 48; 49, e.g. B. compression spring against the first or second pit wall 12; 13 on. The compression springs 48; 49 are each between the inner wall 28 of the base body 19 and the outer side 51; 52 of the bar 39; 41 arranged.
Indirekt in Wirkverbindung heißt, daß zwischen dem oberen in Richtung erster Grubenwand 12 abgekanteten Ende 47 der Leiste 41 und der bzw. dem an der ersten Grubenwand 12 anliegenden Einhängeschenkel 06 bzw. 61 zumindest je Basiskörper 32 bis 34 ein Wälzkörper, z. B. eine Klemmrolle 53 angeordnet ist.Indirectly in operative connection means that between the upper end 47 of the ledge 41 bent in the direction of the first pit wall 12 and the hanging leg 06 or 61 resting on the first pit wall 12, at least for each base body 32 to 34, a rolling element, e.g. B. a pinch roller 53 is arranged.
Die Klemmrolle 53 eines jeden Basiskörpers 32 bis 34 liegt in einer am oberen einhängeschenkelnahen Ende 46 der Leiste 39 befindlichen Aussparung 54. Beidseits der Aussparung 54 verbleiben jeweils abgekantete Arme 46 des oberen Endes 46, welche gegen die zweite Grubenwand 13 bzw. gegen den Einhängeschenkel 07; 62 drücken (Fig. 1 und 2).The pinch roller 53 of each base body 32 to 34 is located in a recess 54 located at the upper end 46 of the bar 39 near the hanging leg ; Press 62 (Fig. 1 and 2).
Zwischen den Innenseiten 55 der Leisten 39; 41 befindet sich ein Luftschlauch 27, der sich einstückig über die gesamte Länge der Zylindergrube 03 erstreckt. Somit durchläuft der Luftschlauch 27 den Basiskörper 19 bzw. die Basiskörper 32 bis 34. Der Luftschlauch 27 ist an einem seiner Enden z. B. mit einem Ventil versehen und wird über eine damit verbundene, nicht dargestellte Leitung zum Zylinderzapfen und mittels einer bekannten Dreheinführung im Bedarfsfalle mit Druckluft beaufschlagt. Eine von der Feder 48 ausgeübte Druckkraft F1 ist größer als eine von der Feder 49 ausgeübte Druckkraft F2.Between the inside 55 of the strips 39; 41 there is an air hose 27 which extends in one piece over the entire length of the cylinder pit 03. Thus, the air hose 27 passes through the base body 19 or the base body 32 to 34. The air hose 27 is z. B. provided with a valve and is pressurized via a connected line, not shown, to the cylinder journal and by means of a known rotary introduction if necessary with compressed air. A pressure force F1 exerted by the spring 48 is greater than a pressure force F2 exerted by the spring 49.
Die im Innenraum 29 des Basiskörpers 19 befindlichen nachgenannten Teile 39; 41 ; 48; 49; 53 werden als Klemm- und/oder Spannelemente bezeichnet. Dies trifft auch für die kürzeren Basiskörper 32 bis 34 zu.The parts 39; located in the interior 29 of the base body 19; 41; 48; 49; 53 are referred to as clamping and / or tensioning elements. This also applies to the shorter base bodies 32 to 34.
Ein Verfahren zum Lösen einer Platte 02 von zwei auf dem Umfang des Zylinders 01 befestigten biegsamen Platten 02; 58 läuft wie folgt ab: Der Luftschlauch 27 der ersten Klemmvorrichtung 14 wird mit Druckluft von ca. vier bar beaufschlagt. Dadurch werden die Leisten 39; 41 gegen die Kraft F1; F2 der Federn 48; 49 in eine erste Freigabestellung X verschwenkt (Fig. 3). Alle Klemmungen werden aufgehoben. Der hintere Einhängeschenkel 07 der Platte 02 schnellt infolge seiner Eigenspannung aus dem Befestigungsschlitz 09 heraus. Der vordere Einhängeschenkel 61 der zweiten Platte 58 ist an der vorderen Kante 04 der Zylindergrube 03 festgehalten. Der Luftdruck für den Schlauch 27 der Klemmvorrichtung 14 wird zurückgenommen.A method for releasing a plate 02 from two flexible plates 02; fixed on the circumference of the cylinder 01; 58 proceeds as follows: The air hose 27 of the first clamping device 14 is pressurized with compressed air of approximately four bar. As a result, the strips 39; 41 against the force F1; F2 of springs 48; 49 pivoted into a first release position X (FIG. 3). All clamps are removed. The rear suspension leg 07 of the plate 02 snaps out of the fastening slot 09 due to its inherent tension. The front suspension leg 61 of the second plate 58 is held on the front edge 04 of the cylinder pit 03. The air pressure for the hose 27 of the clamping device 14 is reduced.
Nunmehr wird der Luftschlauch 27 der zweiten Klemmvorrichtung 16 mit Druckluft von ca. zwei bar beaufschlagt. Dadurch wird die Leiste 41 gegen die Kraft 72 der schwächeren Feder 49 verschwenkt, so daß der vordere Einhängeschenkel 06 der Platte 02 in einer zweiten Freigabestellung Y freigegeben wird. Der hintere Einhängeschenkel 62 der zweiten Platte 58 bleibt dabei eingeklemmt, da die Feder 48 mit der größeren Druckkraft F1 dem Druck" des Luftschlauches 27 nicht nachgibt.The air hose 27 of the second clamping device 16 is now pressurized with compressed air of approximately two bar. As a result, the strip 41 is pivoted against the force 72 of the weaker spring 49, so that the front suspension leg 06 of the plate 02 is released in a second release position Y. The rear suspension leg 62 of the second plate 58 remains pinched, since the spring 48 with the greater pressure force F1 does not give in to the pressure "of the air hose 27.
Ein Klemmen von Platten 02 oder 58 erfolgt in umgekehrter Reihenfolge.Plates 02 or 58 are clamped in the reverse order.
Es können auch drei und mehr Platten mit der entsprechenden Anzahl von Klemmvorrichtungen auf dem Zylinder 01 befestigt werden. BezugszeichenlisteThree or more plates with the corresponding number of clamping devices can also be attached to the cylinder 01. Reference list
01 Zylinder01 cylinder
02 Platte (01 )02 plate (01)
03 Zylindergrube (01 )03 cylinder pit (01)
04 Kante, vordere (03; 59)04 edge, front (03; 59)
05 -05 -
06 Einhängeschenkel, vorderer (02)06 hanging leg, front (02)
07 Einhängeschenkel, hinterer (02)07 hanging leg, rear (02)
08 Kante, hintere (03; 59)08 rear edge (03; 59)
09 Befestigungsschlitz (06; 07)09 mounting slot (06; 07)
10 -10 -
11 Mantelfläche (01)11 outer surface (01)
12 Grubenwand (03; 59), erste12 pit wall (03; 59), first
13 Grubenwand (03; 59), zweite13 pit wall (03; 59), second
14 Klemmvorrichtung, erste (01)14 clamping device, first (01)
15 -15 -
16 Klemmvorrichtung, zweite (01 )16 clamping device, second (01)
17 -17 -
18 -18 -
19 Basiskörper (14; 16)19 base body (14; 16)
20 bis 26 frei20 to 26 free
27 Luftschlauch27 air hose
28 Innenwand (19)28 inner wall (19)
29 Innenraum (19)29 interior (19)
30 -30 -
31 Basiskörperöffnung (19)31 base body opening (19)
32 Basiskörper (19)32 base body (19)
33 Basiskörper (19) Basiskörper (19) - Verzahnung Verzahnung Endkuppelstück Leiste - Leiste Ende, unteres (39) Ende, unteres (41 ) Widerlager (42; 43) Schlitz (19; 32; 33; 34) Ende, oberes, Arme (39) Ende, oberes (41) Feder (19; 39) Feder (19; 41 ) - Außenseite (39) Außenseite (41) Klemmrolle Aussparung (19; 32; 33; 34) Innenseite (39; 41) Widerlagerfläche (27) Kraftangriffsfläche (27) Platte (01 ) Zylindergrube (01) - Einhängeschenkel, vorderer (58) Einhängeschenkel, hinterer (58) A Produktionsrichtung33 base body (19) Base body (19) - serration serration end coupling piece strip - strip end, lower (39) end, lower (41) abutment (42; 43) slot (19; 32; 33; 34) end, upper, arms (39) end, upper (41) spring (19; 39) spring (19; 41) - outside (39) outside (41) clamping roller recess (19; 32; 33; 34) inside (39; 41) abutment surface (27) force application surface (27) plate (01) Cylinder pit (01) - hanging leg, front (58) hanging leg, rear (58) A production direction
F Druckkraft (27)F pressure force (27)
b Weite (09) c Abstand (14; 16) d Durchmesser (03) g Abstand (42; 43)b width (09) c distance (14; 16) d diameter (03) g distance (42; 43)
F1 Druckkraft (48)F1 pressure force (48)
F2 Druckkraft (49)F2 pressure force (49)
Alpha Öffnungswinkel (11 ; 12) Beta Öffnungswinkel (13; 11)Alpha opening angle (11; 12) Beta opening angle (13; 11)
X erste Freigabestellung (14; 16)X first release position (14; 16)
Y zweite Freigabestellung (14; 16)Y second release position (14; 16)
Z Klemmstellung (14; 16) Z clamping position (14; 16)

Claims

Ansprüche Expectations
1. Verfahren zum Klemmen und Lösen von mit vorlaufenden spitzwinkligen und nachlaufenden etwa rechtwinkligen Einhängeschenkeln (06, 07; 61 , 62) versehenen biegsamen Platten (02; 58) mit Einhängeschlitz (09) und Zylindergrube (03) auf einem Zylinder (01) einer Rotationsdruckmaschine, dadurch gekennzeichnet, daß mehrere Platten (02; 58) am Umfang des Zylinders (01) festgeklemmt sind, daß durch Betätigen einer ersten Klemmvorrichtung (14) zunächst der hintere Einhängeschenkel (07) einer ersten Platte (02) in einer ersten Freigabestellung (X) freigegeben und dabei der vordere Einhängeschenkel (61) einer zweiten Platte (58) an der vorderen Kante (04) der Zylindergrube (03) festgehalten ist, daß nachfolgend durch Betätigen einer zweiten Klemmvorrichtung (16) nur der eingeklemmte vordere Einhängeschenkel (06) der ersten Platte (02) in einer zweiten Freigabestellung (Y) freigegeben und ein hinterer Einhängeschenkel (62) der zweiten Platte (58) von der Klemmvorrichtung (16) festgehalten wird.1. A method for clamping and releasing flexible plates (02; 58) provided with leading acute-angled and trailing approximately right-angled suspension legs (06, 07; 61, 62) with suspension slot (09) and cylinder pit (03) on a cylinder (01) one Rotary printing machine, characterized in that a plurality of plates (02; 58) are clamped to the circumference of the cylinder (01), that by actuating a first clamping device (14) the rear suspension leg (07) of a first plate (02) is first in a first release position ( X) is released and the front suspension leg (61) of a second plate (58) is held on the front edge (04) of the cylinder pit (03) so that only the clamped front suspension leg (06) is subsequently actuated by actuating a second clamping device (16). released the first plate (02) in a second release position (Y) and a rear suspension leg (62) of the second plate (58) from the clamping device (16) will hold.
2. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, daß das Klemmen der ersten Platte (02) mittels der Klemmvorrichtungen (14; 16) in umgekehrter Reihenfolge erfolgt.2. The method according to claim 1, characterized in that the clamping of the first plate (02) by means of the clamping devices (14; 16) takes place in the reverse order.
3. Verfahren nach Anspruch 1 , dadurch gekennzeichnet, daß die Klemmvorrichtung (14; 16) mittels eines Stellmittels (27) betätigt wird.3. The method according to claim 1, characterized in that the clamping device (14; 16) is actuated by means of an adjusting means (27).
4. Verfahren nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, daß das Stellmittel (27) als druckluftbeaufschlagbarer Luftschlauch (27) ausgebildet ist.4. The method according to claims 1 to 3, characterized in that the adjusting means (27) is designed as an air hose (27) which can be subjected to compressed air.
5. Verfahren nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, daß der Luftschlauch (27) mit zwei unterschiedlichen Drücken beaufschlagbar ist. 5. The method according to claims 1 to 4, characterized in that the air hose (27) can be acted upon with two different pressures.
6. Vorrichtung zum Befestigen einer biegsamen Platte (02; 58) mit Einhängeschenkeln (06; 07; 61 ; 62) auf einem Zylinder (02) einer Rotationsdruckmaschine, wobei in einer Zylindergrube (03) ein erstes, dem vorlaufenden Einhängeschenkel (06; 61) zugeordnetes Befestigungselement (39) und ein zweites, dem nachlaufenden Einhängeschenkel (07; 62) zugeordnetes Befestigungselement (41) angeordnet ist und wobei die beiden Befestigungselemente (39; 41 ) mittels eines Luftschlauches (27) bewegbar sind, dadurch gekennzeichnet, daß der Luftschlauch (27) zusätzlich zum drucklosen Zustand wahlweise mindestens zwei unterschiedliche Drücke aufweist.6. Device for fastening a flexible plate (02; 58) with hanging legs (06; 07; 61; 62) on a cylinder (02) of a rotary printing machine, wherein in a cylinder pit (03) a first, the leading hanging leg (06; 61 ) assigned fastening element (39) and a second fastening element (41) assigned to the trailing suspension leg (07; 62) and the two fastening elements (39; 41) can be moved by means of an air hose (27), characterized in that the air hose (27) optionally has at least two different pressures in addition to the depressurized state.
7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß eine auf das erste Befestigungselement (39) wirkende Federkraft größer als eine auf das zweite Befestigungselement (41) wirkende Federkraft ist.7. The device according to claim 6, characterized in that a spring force acting on the first fastening element (39) is greater than a spring force acting on the second fastening element (41).
8. Vorrichtung zum Befestigen einer biegsamen Platte (02; 58) mit Einhängeschenkeln (06; 07; 61 ; 62) auf einem Zylinder (02) einer Rotationsdruckmaschine, mit einem Befestigungsschlitz (09), wobei der Befestigungsschlitz (09) in radialer Richtung in einer Zylindergrube (03) mündet und in der Zylindergrube (03) Befestigungselemente (39; 41; 48; 49; 53) angeordnet sind, wobei der vorlaufende, spitzwinklig abgekantete Einhängeschenkel (06; 61) zwischen einem grubenfesten Widerlager (12) und dem ersten Befestigungselement (39) reibschlüssig geklemmt ist und der nachlaufende, annähernd rechtwinklig abgekantete Einhängeschenkel (07; 62) zwischen einem grubenfesten Widerlager (13; 19) und dem zweiten Befestigungselement (41) reibschlüssig geklemmt ist, dadurch gekennzeichnet, daß die Befestigungselemente (39; 41) zwei Leisten (39; 41) aufweisen, deren erste Enden (42; 43) an einem Basiskörper (19; 32 bis 334) schwenkbar gelagert sind und deren zweite Enden (46; 47) direkt oder indirekt mit den Einhängeschenkeln (06; 07; 61 ; 62) reibschlüssig zusammenwirkend angeordnet sind, daß die Leisten (39; 41) mittels zusätzlicher Federn (48; 49) an die Einhängeschenkel (06; 07; 61 ; 62) anstellbar sind, daß die Leisten (39; 41) mittels eines Luftschlauches (27) von den Einhängeschenkeln (06; 07; 61 ; 62) abstellbar sind.8. Device for fastening a flexible plate (02; 58) with hanging legs (06; 07; 61; 62) on a cylinder (02) of a rotary printing press, with a fastening slot (09), the fastening slot (09) in the radial direction in a cylinder pit (03) opens and in the cylinder pit (03) fastening elements (39; 41; 48; 49; 53) are arranged, the leading, acute-angled hanging leg (06; 61) between a pit-fixed abutment (12) and the first Fastening element (39) is frictionally clamped and the trailing, approximately right-angled hanging leg (07; 62) is frictionally clamped between a pit-fixed abutment (13; 19) and the second fastening element (41), characterized in that the fastening elements (39; 41 ) have two strips (39; 41), the first ends (42; 43) of which are pivotably mounted on a base body (19; 32 to 334) and the second ends (46; 47) of which are direct or indirect ect with the hanging legs (06; 07; 61; 62) are arranged in a frictionally cooperating manner that the strips (39; 41) by means of additional springs (48; 49) can be adjusted to the hanging legs (06; 07; 61; 62) that the strips (39; 41) can be removed from the hanging legs (06; 07; 61; 62) by means of an air hose (27).
9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Enden (46; 47) der Leisten (39; 41) direkt auf die Einhängeschenkel (06; 07; 61 ; 62) drückend angeordnet sind.9. The device according to claim 8, characterized in that the ends (46; 47) of the strips (39; 41) directly on the hanging legs (06; 07; 61; 62) are arranged pressing.
10. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß zumindest zwischen dem spitzwinklig abgekanteten Einhängeschenkel (06; 61) und dem Ende (46) der Leiste (39) ein Wälzkörper, insbesondere eine Klemmrolle (53), angeordnet ist.10. The device according to claim 8, characterized in that a rolling element, in particular a pinch roller (53), is arranged at least between the hanging leg (06; 61) and the end (46) of the strip (39).
11. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß das grubenfeste Widerlager (13; 19) des annähernd rechtwinklig abgekanteten Endes (47) der Leiste (41) als Grubenwand (13) ausgebildet ist.11. The device according to claim 8, characterized in that the pit-fixed abutment (13; 19) of the approximately right-angled end (47) of the bar (41) is designed as a pit wall (13).
12. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß das grubenfeste Widerlager (13; 19) des annähernd rechtwinklig abgekanteten Endes (47) der Leiste (41) als Teil des Basiskörpers ausgebildet ist.12. The apparatus according to claim 8, characterized in that the pit-fixed abutment (13; 19) of the approximately right-angled end (47) of the strip (41) is formed as part of the base body.
13. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß der Basiskörper (19) aus mehreren kürzeren miteinander kuppelbaren Basiskörpern (32; 33; 34) besteht.13. The apparatus according to claim 8, characterized in that the base body (19) consists of a plurality of shorter base bodies (32; 33; 34) which can be coupled together.
14. Vorrichtung nach den Ansprüchen 6 oder 8, dadurch gekennzeichnet, daß die auf den vorlaufenden Einhängeschenkel (06) wirkende Druckkraft (F2) kleiner ist als die auf den nachlaufenden Einhängeschenkel (07) wirkende Druckkraft (F1). 14. Device according to claims 6 or 8, characterized in that the compressive force (F2) acting on the leading suspension leg (06) is smaller than the compressive force (F1) acting on the trailing suspension leg (07).
5. Vorrichtung nach den Ansprüchen 6 oder 8, dadurch gekennzeichnet, daß in einem Befestigungsschlitz (09) ein vorlaufender Einhängeschenkel (06) einer ersten Platte (58) und ein nachlaufender Einhängeschenkel (07) einer zweiten Platte (02) angeordnet ist. 5. Device according to claims 6 or 8, characterized in that a leading suspension leg (06) of a first plate (58) and a trailing suspension leg (07) of a second plate (02) is arranged in a fastening slot (09).
EP00949057A 1999-05-29 2000-05-25 Method for fastening a flexible plate Expired - Lifetime EP1278634B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03101549A EP1350623B1 (en) 1999-05-29 2000-05-25 Device for fastening two flexible printing plates
EP03101551A EP1350624B1 (en) 1999-05-29 2000-05-25 Device for fastening a flexible printing plate

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19924787A DE19924787B4 (en) 1999-05-29 1999-05-29 Device for attaching flexible plates
DE19924787 1999-05-29
PCT/DE2000/001702 WO2000073067A2 (en) 1999-05-29 2000-05-25 Method and devices for fastening a flexible plate

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP03101551A Division EP1350624B1 (en) 1999-05-29 2000-05-25 Device for fastening a flexible printing plate
EP03101549A Division EP1350623B1 (en) 1999-05-29 2000-05-25 Device for fastening two flexible printing plates

Publications (2)

Publication Number Publication Date
EP1278634A2 true EP1278634A2 (en) 2003-01-29
EP1278634B1 EP1278634B1 (en) 2004-04-14

Family

ID=7909686

Family Applications (3)

Application Number Title Priority Date Filing Date
EP03101549A Expired - Lifetime EP1350623B1 (en) 1999-05-29 2000-05-25 Device for fastening two flexible printing plates
EP03101551A Expired - Lifetime EP1350624B1 (en) 1999-05-29 2000-05-25 Device for fastening a flexible printing plate
EP00949057A Expired - Lifetime EP1278634B1 (en) 1999-05-29 2000-05-25 Method for fastening a flexible plate

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP03101549A Expired - Lifetime EP1350623B1 (en) 1999-05-29 2000-05-25 Device for fastening two flexible printing plates
EP03101551A Expired - Lifetime EP1350624B1 (en) 1999-05-29 2000-05-25 Device for fastening a flexible printing plate

Country Status (6)

Country Link
US (1) US6598530B1 (en)
EP (3) EP1350623B1 (en)
JP (1) JP3732093B2 (en)
AT (3) ATE277765T1 (en)
DE (4) DE19924787B4 (en)
WO (1) WO2000073067A2 (en)

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Also Published As

Publication number Publication date
EP1350623B1 (en) 2005-09-14
EP1350623A2 (en) 2003-10-08
ATE277765T1 (en) 2004-10-15
DE50008040D1 (en) 2004-11-04
EP1350624A3 (en) 2004-02-04
EP1350623A3 (en) 2004-02-04
DE19924787A1 (en) 2000-12-07
WO2000073067A3 (en) 2002-10-17
EP1350624B1 (en) 2004-09-29
JP2003514685A (en) 2003-04-22
DE19924787B4 (en) 2004-11-04
DE50011190D1 (en) 2005-10-20
EP1278634B1 (en) 2004-04-14
WO2000073067A2 (en) 2000-12-07
JP3732093B2 (en) 2006-01-05
US6598530B1 (en) 2003-07-29
ATE304448T1 (en) 2005-09-15
ATE264193T1 (en) 2004-04-15
DE50006104D1 (en) 2004-05-19
EP1350624A2 (en) 2003-10-08

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