EP0980314B1 - Method and device for assembling flexible plates, for example printing plates - Google Patents

Method and device for assembling flexible plates, for example printing plates Download PDF

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Publication number
EP0980314B1
EP0980314B1 EP98933488A EP98933488A EP0980314B1 EP 0980314 B1 EP0980314 B1 EP 0980314B1 EP 98933488 A EP98933488 A EP 98933488A EP 98933488 A EP98933488 A EP 98933488A EP 0980314 B1 EP0980314 B1 EP 0980314B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
plate
arm
hook
fixing slot
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
EP98933488A
Other languages
German (de)
French (fr)
Other versions
EP0980314A2 (en
Inventor
Georg Schneider
Karl Robert SCHÄFER
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
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Koenig and Bauer AG
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Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0980314A2 publication Critical patent/EP0980314A2/en
Application granted granted Critical
Publication of EP0980314B1 publication Critical patent/EP0980314B1/en
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
    • 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
    • B41F27/1268—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means by self-locking or snap-on means
    • 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
    • B41F27/1206—Feeding to or removing from the forme cylinder
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/49547—Assembling preformed components
    • Y10T29/49549—Work contacting surface element assembled to core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49544—Roller making
    • Y10T29/49547—Assembling preformed components
    • Y10T29/49549—Work contacting surface element assembled to core
    • Y10T29/49551—Work contacting surface wound about core

Definitions

  • the invention relates to a device for assembly flexible panels according to the preamble of Claim 1 and an associated method.
  • JP 62-169646 A is a device for Introducing a rear end of a flexible Pressure plate in a clamping device on a Known plate cylinder.
  • 60 635 C is a cylinder Mounting slots for printing plate or Carrier plates known, the ends of which are at an acute angle or are edged at an obtuse angle.
  • the mounting slot runs along a secant through the cylindrical Cross-section of the cylinder, d. H. it runs obliquely to Diameter.
  • EP 07 10 556 A1 shows a device for assembly a flexible plate with a leading one acute-angled and a trailing obtuse-angled folded hook legs in one Fastening slot of a cylinder. To introduce the trailing hanging leg is a Insertion slide provided.
  • the invention has for its object a method and an associated device for mounting with Folding bends provided flexible plates a cylinder provided with a mounting slot to create a rotary printing press.
  • the advantages that can be achieved with the invention exist especially in the fact that a safe supply of a Folding in at the end of a pressure plate also in Manually difficult to access mounting slots Cylinder of a rotary printing press guaranteed is.
  • the device consists of a few mechanical Components and is used both for hanging a front - as well as for hanging a rear Hanging leg of a pressure plate in the Fastening slots of a cylinder used. It is also possible, several pressure plates on the circumference and several Pressure plates over the axial length of the cylinder to arrange.
  • a cylinder 1, e.g. B. a plate or Blanket cylinder of a rotary printing machine is for Inclusion of z.
  • flexible pressure plates 2 with axial extending, from a lateral surface 3 of the Cylinder 1 extending into an interior of the cylinder 1 Provide mounting slots.
  • the scope the cylinder 1 is a flexible plate 2, for. B. Pressure plate or carrier plate, with vulcanized Rubber blanket to be attached.
  • the plates 2 have z. B. a thickness of 0.3 mm.
  • the plate 2 is 7 at its beginning and 8 at its end each with one - but at least one - front and a rear hook-in bend 9; 11, too “leading” (9) or “trailing” (11) Called folding edge, provided.
  • Each Hook-in bend 9; 11 each has a front or rear hanging leg 12; 13.
  • the opening angle alpha of the "leading" bend 9 is pointed, e.g. B. up to 45 °.
  • the opening angle beta of the "Trailing" fold 11 is blunt. The sum both angles are 180 ° or approximately 180 °.
  • the trailing end of plate 2 does not have to be folded his. It is then in a different way on the jacket 3rd held.
  • the mounting slot 4; 6 is shown in the Example as an axially parallel direction extending over the length of the cylinder 1 in the Interior of the cylinder 1 protruding, with a center line 10 marked slot 4 executed, the width is at least a few tenths of a millimeter wider than that double thickness of the plate 2 or the carrier plate for the blanket, or the backing plate plus blanket. Both hanging legs 12; So 13 can be together be included.
  • the mounting slot 4 is at an acute angle Gamma (e.g. 35 °) towards the jacket 3 of cylinder 1 inclined against its direction of rotation H (Fig. 1).
  • the Angle gamma is the included angle between one through the intersection 15 one of the Mounting slot 4; 6 spanned level 10 (A) with a tangent T. With the intersection 15 at the same time the point is on half the length of the virtual Arch over the insertion opening of the mounting slot 8th; 9 lies on the circular line of cylinder 1 and from the tangent T is touched.
  • the opening angles Alpha and Beta of the Hook-in bends 9; 11 of the plate 2 are Inclination angle gamma of the mounting slot 4; 6 customized.
  • a device for mounting (and Disassembly) of the flexible plate 2 On the cylinder 1 is a device for mounting (and Disassembly) of the flexible plate 2, z. B. pressure plate arranged, which consists essentially of two to the Shell surface 3 of the cylinder 1 adjustable front (14) and rear (16) insertion slides.
  • the insertion slide 14; 16 are inclined along the Level 10 (A) (Fig. 1) in the direction of jacket 3 back and forth movable away. They fall in the plate insertion position Level 10 and level A together.
  • the insertion slide 14; 16 are back to back (guide surface 22 on Guide surface 23) slidably arranged. she extend the entire length of the Mounting slot 8; 9.
  • Each of the insertion slide 14; 16 points one to the other Insertion slide 16; 14 facing guide surface 22 (Move); 23 (back) for guiding the folded ends 7; 8 of the plate 2 when introduced into the Mounting slot 4 on.
  • the Baffles 22; 23 also on a not shown Be slider, which is between the insertion slides 14; 16 is located and can be operated separately.
  • each insertion slide 14 works; 16 synchronous with a number of pressure rollers 24; 26 together, one or more, e.g. B. two for each plate end.
  • the bracket 27; 28 can e.g. B. advantageously designed as a leaf spring or with a Leaf spring 25 may be connected.
  • each insertion slide 14; 16 along the plane A is each insertion slide 14; 16 at both ends with a linear drive 32; 33 provided (Fig. 6).
  • the linear drive 32; 33 is z. B. from two double-acting series Working cylinders 34, 36.
  • the end of the piston rod of the Working cylinder 36 is with the end plate of the second Working cylinder 34 positively connected.
  • the end 37 is the piston rod of the second working cylinder 34 with the front 29 of the insertion slide 14 or with the front 31 of the insertion slide 16 connected.
  • Each insertion slide 14 and 16 has on its left and right end 38 sliding bushes 42. she serve as a guide on a side frame fixed Lead screw 43.
  • the two on the outer sides 29 and 31 of the Insertion slide 14; 16 arranged linear drives 32 or 33 work synchronously for each insertion slide 14 or 16.
  • the length of a hanging leg 12; 13 of a plate 2 corresponds at most to the stroke length f of the cylinder 34.
  • the Linear drive 32; 33 also from a motor driven threaded spindle with rotary encoder consist.
  • the Insertion slide 14; 16 instead of linear guides 42; 43 too on both sides of each not shown, for example cylinder-long swivel arms are attached, which is fixed to the side frame and by means of Working cylinders are actuated. This will also achieved a reciprocating motion. The movement runs on a short stretch of a circular curve large diameter, i.e. roughly parallel to that of the mounting slot 4; 6 spanned level 10 (A).
  • On the front 29 of the front insertion slide 14 is at least one in Direction on the rear insertion slide 16 back and forth back movable plunger 44 attached. It is by means of a motor for rectilinear movement 46, e.g. B. one pneumatic working cylinder or an electr. Solenoid moves (Fig. 4 and 6).
  • the plunger 44 is through a through hole in the front Insertion slide 14 passed and is in extended condition so far that it is in some Distance touch the trailing suspension leg 13 can.
  • Motors for rotary movements e.g. B. a geared motor for driving a cam disk be used.
  • the insertion slide 14; 16 is convenient plate-shaped (Fig. 6); but he can also be designed like a railing.
  • a method of assembling a flexible plate 2 is underway as follows.
  • the cylinder 1 is in a Mounting position positioned, d. H. the center line 10 of the mounting slot 4 is aligned with the guide surface 23 along the plane A of the insertion slide 16 (FIG. 1).
  • the front insertion slide 14 is in its uppermost Position C, the rear insertion slide 16 is in its lowest position E brought.
  • An operator or a device slides along a z. B. horizontal, height-adjustable guide 47 a plate 2 to the bent leg 12 on the guide surface 23 of the insertion slide 16 is present.
  • Below is the front suspension leg 12 from the front insertion slide 14 over the underside 17 in the mounting slot 4 inserted.
  • the insertion slide 14; 16 are after completing the insertion of the preceding one Leg 12 in positions P; E (Fig. 2). Subsequently both insertion slide 14; 16 back in theirs top position C; C brought (Fig. 3).
  • the cylinder 1 then rotates in Production direction H.
  • the spring press stored pressure rollers 24; 26 the plate 2 against the Shell surface 3.
  • second cylinder 48 e.g. B. a rubber cylinder, employed.
  • second cylinder 48 can also be another Pressure element, e.g. B. a pivotable roller, for. B. Ink roller, find application.
  • the rear suspension leg 13 is in the meantime the guide surface 22 of the front insertion slide 14 (Fig. 4).
  • the rear insertion slide 16 is now from position C to position P, and presses on the Bend the leg 13 of the plate 2 and push it into the mounting slot 6 (Fig. 5).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Clamps And Clips (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zur Montage biegsamer Platten entsprechend dem Oberbegriff des Anspruches 1 sowie ein dazugehöriges Verfahren.The invention relates to a device for assembly flexible panels according to the preamble of Claim 1 and an associated method.

Durch die JP 62-169646 A ist eine Vorrichtung zum Einbringen eines hinteren Endes einer biegsamen Druckplatte in eine Klemmeinrichtung auf einem Plattenzylinder bekannt.JP 62-169646 A is a device for Introducing a rear end of a flexible Pressure plate in a clamping device on a Known plate cylinder.

Aus der DE 19 60 635 C ist ein Zylinder mit Befestigungsschlitzen für Druckplatten- oder Trägerplatten bekannt, deren Enden spitzwinklig bzw. stumpfwinklig abgekantet sind. Der Befestigungsschlitz verläuft entlang einer Sekante durch den zylindrischen Querschnitt des Zylinders, d. h. er verläuft schräg zum Durchmesser.From DE 19 60 635 C is a cylinder Mounting slots for printing plate or Carrier plates known, the ends of which are at an acute angle or are edged at an obtuse angle. The mounting slot runs along a secant through the cylindrical Cross-section of the cylinder, d. H. it runs obliquely to Diameter.

Die EP 07 10 556 A1 zeigt eine Vorrichtung zur Montage einer biegsamen Platte mit einem vorauslaufenden spitzwinklig und einem nachlaufenden stumpfwinklig abgekanteten Einhängeschenkel in einem Befestigungsschlitz eines Zylinders. Zum Einführen des nachlaufenden Einhängeschenkels ist ein Einführungsschieber vorgesehen. EP 07 10 556 A1 shows a device for assembly a flexible plate with a leading one acute-angled and a trailing obtuse-angled folded hook legs in one Fastening slot of a cylinder. To introduce the trailing hanging leg is a Insertion slide provided.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren sowie eine dazugehörige Vorrichtung zur Montage von mit Einhängeabkantungen versehenen biegsamen Platten auf einem mit einem Befestigungsschlitz versehenen Zylinder einer Rotationsdruckmaschine zu schaffen.The invention has for its object a method and an associated device for mounting with Folding bends provided flexible plates a cylinder provided with a mounting slot to create a rotary printing press.

Diese Aufgabe wird hinsichtlich des Verfahrens erfindungsgemäß durch die Merkmale der Ansprüche 1 und 13 gelöst.This task is regarding the procedure according to the invention by the features of claims 1 and 13 solved.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß eine sichere Zufuhr einer Einhängeabkantung am Ende einer Druckplatte auch in manuell schwer zugängige Befestigungsschlitze eines Zylinders einer Rotationsdruckmaschine gewährleistet ist. Die Vorrichtung besteht aus wenigen mechanischen Bauteilen und wird sowohl für das Einhängen eines vorderen - als auch für das Einhängen eines hinteren Einhängeschenkels einer Druckplatte in die Befestigungsschlitze eines Zylinders eingesetzt. Es ist auch möglich, mehrere Druckplatten am Umfang und mehrere Druckplatten über die axiale Länge des Zylinders anzuordnen.The advantages that can be achieved with the invention exist especially in the fact that a safe supply of a Folding in at the end of a pressure plate also in Manually difficult to access mounting slots Cylinder of a rotary printing press guaranteed is. The device consists of a few mechanical Components and is used both for hanging a front - as well as for hanging a rear Hanging leg of a pressure plate in the Fastening slots of a cylinder used. It is also possible, several pressure plates on the circumference and several Pressure plates over the axial length of the cylinder to arrange.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. An embodiment of the invention is in the Drawing shown and will be described in more detail below described.

Es zeigen:

Fig. 1 bis Fig. 5
verschiedene Arbeitsstellungen der erfindungsgemäßen Vorrichtung in schematischer Darstellung beim Montieren einer Druckplatte und ohne Darstellung von Betätigungselementen;
Fig. 6
eine Ansicht K der rechten Seite der Vorrichtung nach Fig. 1, jedoch mit Betätigungselementen;
Fig. 7
eine Arbeitsstellung analog Fig. 1 bis 5 nach einer Variante des Verfahrens.
Show it:
1 to 5
different working positions of the device according to the invention in a schematic representation when mounting a pressure plate and without showing actuators;
Fig. 6
a view K of the right side of the device of Figure 1, but with actuators.
Fig. 7
a working position analogous to FIGS. 1 to 5 according to a variant of the method.

Ein Zylinder 1, z. B. ein Platten- oder Gummituchzylinder einer Rotationsdruckmaschine, ist zur Aufnahme von z. B. biegsamen Druckplatten 2 mit axial verlaufenden, sich von einer Mantelfläche 3 des Zylinders 1 in ein Inneres des Zylinders 1 erstreckenden Befestigungsschlitzen versehen. Mithin kann am Umfang des Zylinders 1 eine biegsame Platte 2, z. B. Druckplatte oder Trägerplatte, mit aufvulkanisiertem Gummituch befestigt werden. Die Platten 2 haben z. B. eine Dicke von 0,3 mm.A cylinder 1, e.g. B. a plate or Blanket cylinder of a rotary printing machine is for Inclusion of z. B. flexible pressure plates 2 with axial extending, from a lateral surface 3 of the Cylinder 1 extending into an interior of the cylinder 1 Provide mounting slots. Hence, the scope the cylinder 1 is a flexible plate 2, for. B. Pressure plate or carrier plate, with vulcanized Rubber blanket to be attached. The plates 2 have z. B. a thickness of 0.3 mm.

Die Platte 2 ist an ihrem Anfang 7 und an ihrem Ende 8 jeweils mit einer - aber mindestens einer - vorderen und einer hinteren Einhängeabkantung 9; 11, auch "vorauslaufende" (9) bzw. "nachlaufende" (11) Einhängeabkantung genannt, versehen. Jede Einhängeabkantung 9; 11 hat jeweils einen vorderen bzw. hinteren Einhängeschenkel 12; 13.The plate 2 is 7 at its beginning and 8 at its end each with one - but at least one - front and a rear hook-in bend 9; 11, too "leading" (9) or "trailing" (11) Called folding edge, provided. Each Hook-in bend 9; 11 each has a front or rear hanging leg 12; 13.

Der öffnungswinkel Alpha der "vorauslaufenden" Abkantung 9 ist spitz, z. B. bis 45°. Der öffnungswinkel Beta der "nachlaufenden" Abkantung 11 ist stumpf. Die Summe beider Winkel ist 180° bzw. annähernd 180°. Das nachlaufende Ende der Platte 2 muß aber nicht abgekantet sein. Es wird dann auf andere Weise am Mantel 3 gehalten.The opening angle alpha of the "leading" bend 9 is pointed, e.g. B. up to 45 °. The opening angle beta of the "Trailing" fold 11 is blunt. The sum both angles are 180 ° or approximately 180 °. The trailing end of plate 2 does not have to be folded his. It is then in a different way on the jacket 3rd held.

Der Befestigungsschlitz 4; 6 ist im dargestellten Beispiel als ein in achsparalleler Richtung verlaufender, über die Länge des Zylinders 1 in das Innere des Zylinders 1 ragender, mit einer Mittellinie 10 gekennzeichneter Schlitz 4 ausgeführt, dessen Breite mindestens wenige Zehntel Millimeter breiter ist als die doppelte Dicke der Platte 2 bzw. der Trägerplatte für das Gummituch, oder der Trägerplatte plus Gummituch. Beide Einhängeschenkel 12; 13 können also gemeinsam aufgenommen werden.The mounting slot 4; 6 is shown in the Example as an axially parallel direction extending over the length of the cylinder 1 in the Interior of the cylinder 1 protruding, with a center line 10 marked slot 4 executed, the width is at least a few tenths of a millimeter wider than that double thickness of the plate 2 or the carrier plate for the blanket, or the backing plate plus blanket. Both hanging legs 12; So 13 can be together be included.

Der Befestigungsschlitz 4 ist in einem spitzen Winkel Gamma (z. B. 35°) zum Mantel 3 des Zylinders 1 hin entgegen dessen Drehrichtung H geneigt (Fig. 1). Der Winkel Gamma ergibt sich als eingeschlossener Winkel zwischen einer durch den Schnittpunkt 15 einer von dem Befestigungsschlitz 4; 6 aufgespannten Ebene 10 (A) mit einer Tangente T. Wobei der Schnittpunkt 15 gleichzeitig der Punkt ist, der auf der halben Länge des virtuellen Bogens über die Einführöffnung des Befestigungsschlitzes 8; 9 auf der Kreislinie des Zylinders 1 liegt und von der Tangente T berührt wird.The mounting slot 4 is at an acute angle Gamma (e.g. 35 °) towards the jacket 3 of cylinder 1 inclined against its direction of rotation H (Fig. 1). The Angle gamma is the included angle between one through the intersection 15 one of the Mounting slot 4; 6 spanned level 10 (A) with a tangent T. With the intersection 15 at the same time the point is on half the length of the virtual Arch over the insertion opening of the mounting slot 8th; 9 lies on the circular line of cylinder 1 and from the tangent T is touched.

Die öffnungswinkel Alpha und Beta der Einhängeabkantungen 9; 11 der Platte 2 sind dem Neigungswinkel Gamma des Befestigungsschlitzes 4; 6 angepaßt.The opening angles Alpha and Beta of the Hook-in bends 9; 11 of the plate 2 are Inclination angle gamma of the mounting slot 4; 6 customized.

Auf dem Zylinder 1 ist eine Vorrichtung zur Montage (und Demontage) der biegsamen Platte 2, z. B. Druckplatte angeordnet, welche im wesentlichen aus zwei an die Mantelfläche 3 des Zylinders 1 anstellbaren vorderen (14) und hinteren (16) Einführschiebern besteht.On the cylinder 1 is a device for mounting (and Disassembly) of the flexible plate 2, z. B. pressure plate arranged, which consists essentially of two to the Shell surface 3 of the cylinder 1 adjustable front (14) and rear (16) insertion slides.

Die Einführschieber 14; 16 sind entlang der geneigten Ebene 10 (A) (Fig. 1) in Richtung Mantel 3 hin- und wegbewegbar. In der Platteneinführstellung fallen die Ebene 10 und die Ebene A zusammen. Die Einführschieber 14; 16 sind Rücken an Rücken (Leitfläche 22 an Leitfläche 23) aneinander gleitbar angeordnet. Sie erstrecken sich über die gesamte Länge des Befestigungsschlitzes 8; 9.The insertion slide 14; 16 are inclined along the Level 10 (A) (Fig. 1) in the direction of jacket 3 back and forth movable away. They fall in the plate insertion position Level 10 and level A together. The insertion slide 14; 16 are back to back (guide surface 22 on Guide surface 23) slidably arranged. she extend the entire length of the Mounting slot 8; 9.

Eine jeweils der Mantelfläche 3 des Zylinders 1 zugewandte Unterseite 17; 18 jedes Einführschiebers 14; 16 weist - z. B. acht - Saugöffnungen 19; 21 zum Ansaugen eines Endes 7; 8 der Platte 2 auf. Die Unterseite 17; 18 ist konkav in einem Radius gewölbt, der dem Radius r des Zylinders 1 angepaßt ist. In den Saugöffnungen 19; 21 sind Sauger aus Gummi angebracht, die jeweils nur geringfügig über die Unterseite 17; 18 hinausstehen.One of the outer surface 3 of the cylinder 1 facing underside 17; 18 of each insertion slide 14; 16 points - e.g. B. eight - suction openings 19; 21 at Sucking an end 7; 8 of plate 2. The Bottom 17; 18 is concave in a radius, which is adapted to the radius r of the cylinder 1. In the Suction openings 19; 21 rubber suction cups are attached, each only slightly over the bottom 17; 18th stand out.

Jeder der Einführschieber 14; 16 weist eine dem anderen Einführschieber 16; 14 zugewandte Leitfläche 22 (Rücken); 23 (Rücken) zum Führen der abgekanteten Enden 7; 8 der Platte 2 beim Einbringen in den Befestigungsschlitz 4 auf.Each of the insertion slide 14; 16 points one to the other Insertion slide 16; 14 facing guide surface 22 (Move); 23 (back) for guiding the folded ends 7; 8 of the plate 2 when introduced into the Mounting slot 4 on.

Nach einer anderen Ausführungsvariante können die Leitflächen 22; 23 auch an einem nichtdargestellten Schieber sein, der sich zwischen den Einführschiebern 14; 16 befindet und separat betätigbar ist.According to another embodiment variant, the Baffles 22; 23 also on a not shown Be slider, which is between the insertion slides 14; 16 is located and can be operated separately.

Weiterhin arbeitet jeder Einführschieber 14; 16 synchron mit einer Anzahl Andrückrollen 24; 26 zusammen, einer oder mehreren, z. B. zwei für jedes Plattenende. Vorzugsweise ist jede Andrückrolle 24; 26 auf der leitflächenfernen Außenseite 29; 31 des Einführschiebers 14; 16 mittels einer Halterung 27; 28 federnd, z. B. mittels Blattfedern 25 mit dem Einführschieber 14; 16, 20 verbunden. Hierdurch erreichen sie gleichzeitig mit der Unterseite 17; 18 des Einführschiebers 14; 16 die Mantelfläche 3 des Zylinders 1. Bei einer Variante berührt die Andrückrolle 24; 26 die Mantelfläche 3 noch vor der Unterseite 17; 18. Hierdurch kann das freie Ende der Platte 2 das über eine Führung 47 frei hinausragt, und sich auf ihrem Ende einerseits und andererseits der Leitflächen 23; 22 abstützt, vorgespannt werden. Hierdurch wird erreicht, daß der Einhängeschenkel 12 leichter einfädelt. Die Halterung 27; 28 kann z. B. vorteilhaft als Blattfeder ausgebildet oder mit einer Blattfeder 25 verbunden sein.Furthermore, each insertion slide 14 works; 16 synchronous with a number of pressure rollers 24; 26 together, one or more, e.g. B. two for each plate end. Each pressure roller 24; 26 on the outer surface 29; 31 of the insertion slide 14; 16 by means of a holder 27; 28 resilient, e.g. B. by means of leaf springs 25 with the insertion slide 14; 16, 20 connected. In doing so, they also reach the bottom 17; 18 of the insertion slide 14; 16 the Shell surface 3 of the cylinder 1. In one variant touches the pressure roller 24; 26 the outer surface 3 still before the bottom 17; 18. This allows the free end the plate 2 which projects freely over a guide 47, and on their end on the one hand and on the other hand the Guide surfaces 23; 22 supports, are biased. This ensures that the hanging leg 12th threading easier. The bracket 27; 28 can e.g. B. advantageously designed as a leaf spring or with a Leaf spring 25 may be connected.

Zur Hin- und Wegbewegung jedes Einführschiebers 14; 16 entlang der Ebene A ist jeder Einführschieber 14; 16 beidendig mit einem Linearantrieb 32; 33 versehen (Fig. 6). Der Linearantrieb 32; 33 besteht z. B. aus zwei jeweils in Reihe geschalteten doppeltwirkenden Arbeitszylindern 34, 36. Das Ende der Kolbenstange des Arbeitszylinders 36 ist mit der Endplatte des zweiten Arbeitszylinders 34 formschlüssig verbunden. Das Ende 37 der Kolbenstange des zweiten Arbeitszylinders 34 ist mit der Vorderseite 29 des Einführschiebers 14 bzw. mit der Vorderseite 31 des Einführschiebers 16 verbunden.For the back and forth movement of each insertion slide 14; 16 along the plane A is each insertion slide 14; 16 at both ends with a linear drive 32; 33 provided (Fig. 6). The linear drive 32; 33 is z. B. from two double-acting series Working cylinders 34, 36. The end of the piston rod of the Working cylinder 36 is with the end plate of the second Working cylinder 34 positively connected. The end 37 is the piston rod of the second working cylinder 34 with the front 29 of the insertion slide 14 or with the front 31 of the insertion slide 16 connected.

Jeder Einführschieber 14 und 16 weist an seiner linken und rechten Stirnseite 38 Gleitbuchsen 42 auf. Sie dienen als Führung auf einer seitengestellfesten Führungsspindel 43.Each insertion slide 14 and 16 has on its left and right end 38 sliding bushes 42. she serve as a guide on a side frame fixed Lead screw 43.

Die jeweils zwei an den Außenseiten 29 bzw. 31 der Einführschieber 14; 16 angeordneten Linearantriebe 32 bzw. 33 arbeiten je Einführschieber 14 bzw. 16 synchron. The two on the outer sides 29 and 31 of the Insertion slide 14; 16 arranged linear drives 32 or 33 work synchronously for each insertion slide 14 or 16.

Die Einführschieber 14; 16 können je verschiedene Stellungen C; D; E; P einnehmen:

  • 1. eine oberste mantelflächenferne Stellung C
  • 2. eine mittlere Stellung D Sie ermöglicht eine berührungsfreie Drehung des Zylinders 1 mit eingehängter Platte 2. Sie ist durch den Hub f des Arbeitszylinders 34 begrenzt. Der Einführschieber 14; 16 wird durch das zusätzliche Ausfahren der Kolbenstange des Arbeitszylinders 36 bewegt.
  • 3. eine zylindernahe unterste Stellung E. Die Unterseiten 17 bzw. 18 berühren den Zylindermantel 3. Falls schon eine Platte 2 auf der Mantelfläche 3 aufliegt, wird der Hub g des Zylinders 36 begrenzt.
  • 4. in eine Stellung P. Sie liegt unterhalb der Stellung D und oberhalb der Stellung E. Die Stellung P ist so weit vom Mantel 3 entfernt, daß eine aufgespannte Platte 2 bzw. Trägerplatte mit Gummituch nicht berührt werden.
    • The insertion slide 14; 16 can each have different positions C; D; E; Take P:
  • 1. an uppermost surface distant surface C
  • 2. A middle position D It enables a contact-free rotation of the cylinder 1 with the plate 2 attached. It is limited by the stroke f of the working cylinder 34. The insertion slide 14; 16 is moved by the additional extension of the piston rod of the working cylinder 36.
  • 3. A lowermost position E near the cylinder. The undersides 17 and 18 touch the cylinder jacket 3. If a plate 2 already lies on the jacket surface 3, the stroke g of the cylinder 36 is limited.
  • 4. in a position P. It lies below the position D and above the position E. The position P is so far from the jacket 3 that a clamped plate 2 or carrier plate with a rubber blanket are not touched.

    • Die Länge eines Einhängeschenkels 12; 13 einer Platte 2 entspricht maximal der Hublänge f des Zylinders 34.The length of a hanging leg 12; 13 of a plate 2 corresponds at most to the stroke length f of the cylinder 34.

    Nach einer anderen Ausführungsvariante kann der Linearantrieb 32; 33 auch aus einer motorisch angetriebenen Gewindespindel mit Drehwinkelgeber bestehen.According to another embodiment variant, the Linear drive 32; 33 also from a motor driven threaded spindle with rotary encoder consist.

    Nach einer weiteren Ausführungsvariante können die Einführschieber 14; 16 statt Linearführungen 42; 43 auch beidseitig an jeweils nicht dargestellten, etwa zylinderdurchmesserlangen Schwenkarmen befestigt sein, welche seitengestellfest gelagert und mittels Arbeitszylindern betätigbar sind. Dadurch wird ebenfalls eine Hin- und Herbewegung erzielt. Die Bewegung verläuft auf einer kurzen Strecke einer kreisförmigen Kurvenbahn großen Durchmessers, also in etwa parallel zu der von dem Befestigungsschlitz 4; 6 aufgespannten Ebene 10 (A).According to a further embodiment variant, the Insertion slide 14; 16 instead of linear guides 42; 43 too on both sides of each not shown, for example cylinder-long swivel arms are attached, which is fixed to the side frame and by means of Working cylinders are actuated. This will also achieved a reciprocating motion. The movement runs on a short stretch of a circular curve large diameter, i.e. roughly parallel to that of the mounting slot 4; 6 spanned level 10 (A).

    An der Vorderseite 29 des vorderen Einführschiebers 14 ist nach einer Ausführungsvariante mindestens ein in Richtung auf den hinteren Einführschieber 16 hin- und zurück bewegbarer Stößel 44 befestigt. Er wird mittels eines Motors für geradlinige Bewegung 46, z. B. eines pneumatischen Arbeitszylinders oder eines elektr. Hubmagneten bewegt (Fig. 4 und 6). Der Stößel 44 ist durch eine Durchgangsbohrung des vorderen Einführschiebers 14 hindurchgeführt und steht im ausgefahrenen Zustand so weit heraus, daß er in einigem Abstand den nachlaufenden Einhängeschenkel 13 berühren kann. Es können auch Motoren für Drehbewegungen, z. B. ein Getriebemotor zum Antrieb einer Nockenscheibe verwendet werden.On the front 29 of the front insertion slide 14 is at least one in Direction on the rear insertion slide 16 back and forth back movable plunger 44 attached. It is by means of a motor for rectilinear movement 46, e.g. B. one pneumatic working cylinder or an electr. Solenoid moves (Fig. 4 and 6). The plunger 44 is through a through hole in the front Insertion slide 14 passed and is in extended condition so far that it is in some Distance touch the trailing suspension leg 13 can. Motors for rotary movements, e.g. B. a geared motor for driving a cam disk be used.

    Der Einführschieber 14; 16 ist zweckmäßigerweise plattenförmig ausgebildet (Fig. 6); er kann aber auch geländerartig ausgeführt sein.The insertion slide 14; 16 is convenient plate-shaped (Fig. 6); but he can also be designed like a railing.

    Ein Verfahren zur Montage einer biegsamen Platte 2 läuft wie folgt ab. Der Zylinder 1 wird in einer Montagestellung positioniert, d. h. die Mittellinie 10 des Befestigungsschlitzes 4 fluchtet mit der Leitfläche 23 entlang der Ebene A des Einführschiebers 16 (Fig. 1). Der vordere Einführschieber 14 wird in seine oberste Stellung C, der hintere Einführschieber 16 wird in seine unterste Stellung E gebracht. Eine Bedienperson oder eine Vorrichtung schiebt entlang einer z. B. horizontalen, höhenverstellbaren Führung 47 eine Platte 2 bis der abgekantete Schenkel 12 an der Leitfläche 23 des Einführschiebers 16 anliegt. Nachfolgend wird der vordere Einhängeschenkel 12 vom vorderen Einführschieber 14 über dessen Unterseite 17 in den Befestigungsschlitz 4 eingeschoben. Die Einführschieber 14; 16 befinden sich nach Beendigung des Einschiebens des vorauslaufenden Schenkels 12 in Stellungen P; E (Fig. 2). Anschließend werden beide Einführschieber 14; 16 zurück in ihre oberste Stellung C; C gebracht (Fig. 3).A method of assembling a flexible plate 2 is underway as follows. The cylinder 1 is in a Mounting position positioned, d. H. the center line 10 of the mounting slot 4 is aligned with the guide surface 23 along the plane A of the insertion slide 16 (FIG. 1). The front insertion slide 14 is in its uppermost Position C, the rear insertion slide 16 is in its lowest position E brought. An operator or a device slides along a z. B. horizontal, height-adjustable guide 47 a plate 2 to the bent leg 12 on the guide surface 23 of the insertion slide 16 is present. Below is the front suspension leg 12 from the front insertion slide 14 over the underside 17 in the mounting slot 4 inserted. The insertion slide 14; 16 are after completing the insertion of the preceding one Leg 12 in positions P; E (Fig. 2). Subsequently both insertion slide 14; 16 back in theirs top position C; C brought (Fig. 3).

    Da die Andrückrollen 24; 26 jeweils synchron der Bewegung der Einführschieber 14; 16 folgen, liegen sie schließlich auf der Platte 2 federnd auf.Since the pressure rollers 24; 26 each synchronously Movement of the insertion slide 14; 16 follow, they lie finally resilient on the plate 2.

    Der Zylinder 1 rotiert anschließend in Produktionsrichtung H. Dabei drücken die gefedert gelagerten Andrückrollen 24; 26 die Platte 2 gegen die Mantelfläche 3. An dem Zylinder 1 ist ein benachbarter zweiter Zylinder 48, z. B. ein Gummizylinder, angestellt. Bei Rotation beider Zylinder wird die Platte 2 auf den Zylinder 1 aufwalzt (Fig. 3). Anstatt des zweiten Zylinders 48 kann auch ein anderes Andrückelement, z. B. eine anschwenkbare Walze, z. B. Farbauftragwalze, Anwendung finden.The cylinder 1 then rotates in Production direction H. The spring press stored pressure rollers 24; 26 the plate 2 against the Shell surface 3. There is an adjacent one on cylinder 1 second cylinder 48, e.g. B. a rubber cylinder, employed. When both cylinders rotate, the plate 2 rolled onto the cylinder 1 (Fig. 3). Instead of second cylinder 48 can also be another Pressure element, e.g. B. a pivotable roller, for. B. Ink roller, find application.

    Durch Drehen des Zylinders 1 gelangt das nachlaufende Ende 8 der Platte 2 in die Nähe der Einführschiebers 14; 16 bzw. in die Nähe des Befestigungsschlitzes 4. Hierbei steht der nachlaufende Einhängeschenkel 13 von der Mantelfläche 3 des Zylinders 1 ab. Der Zylinder 1 dreht so lange, bis die Mittellinie 10 des Befestigungsschlitzes 4 mit der Leitfläche 22 des vorderen Einführschiebers 14 fluchtet, d. h. auf der Ebene A liegt. Jetzt wird nach der ersten Ausführungsvariante der Stößel 44 aktiviert, so daß der Stößel 44 gegen den nachlaufenden Einhängeschenkel 13 in Richtung des in Stellung C befindlichen zweiten Einführschiebers 16 drückt. Gleichzeitig wird der Einführschieber 14 in seine unterste Stellung E bewegt. Während dieser Bewegung zieht sich der Stößel 44 allmählich in seine Ausgangsstellung (Fig. 4) zurück. Der hintere Einhängeschenkel 13 liegt währenddessen an der Leitfläche 22 des vorderen Einführschiebers 14 an (Fig. 4). Der hintere Einführschieber 16 wird nunmehr von Stellung C in Stellung P bewegt, und drückt auf die Abkantung des Schenkels 13 der Platte 2 und schiebt ihn in den Befestigungsschlitz 6 hinein (Fig. 5).By turning the cylinder 1 the trailing one arrives End 8 of the plate 2 in the vicinity of the insertion slide 14; 16 or near the mounting slot 4. Here is the trailing suspension leg 13 of the Shell surface 3 of the cylinder 1. The cylinder 1 rotates until the center line 10 of the Fastening slot 4 with the guide surface 22 of the front insertion slide 14 is aligned, d. H. on the Level A lies. Now after the first Design variant of the plunger 44 activated so that the Tappet 44 against the trailing suspension leg 13 in Direction of the second one in position C. Insertion slide 16 presses. At the same time the Insertion slide 14 moves to its lowest position E. The plunger 44 pulls during this movement gradually return to its starting position (Fig. 4). The rear suspension leg 13 is in the meantime the guide surface 22 of the front insertion slide 14 (Fig. 4). The rear insertion slide 16 is now from position C to position P, and presses on the Bend the leg 13 of the plate 2 and push it into the mounting slot 6 (Fig. 5).

    Eine Demontage von Platten erfolgt in umgekehrter Reihenfolge. Zum Herausziehen der Schenkel 12; 13 der Platte 2 werden die Saugöffnungen 19; 21 des jeweiligen Einführschiebers 14; 16 mit Saugluft beaufschlagt.Disassembly of panels is done in reverse Sequence. To pull out the legs 12; 13 of the Plate 2, the suction openings 19; 21 of each Insertion slide 14; 16 acted upon by suction air.

    Zur Unterstützung bei der Demontage der Platte 2 kann auch am Grunde des Befestigungsschlitzes 4 jeweils eine Vorrichtung zum Lösen von Platten mit abgekanteten Enden angeordnet sein. Eine derartige Vorrichtung in ist in der DE 195 09 562 C1 beschrieben und weist einen vom Inneren des Zylinders 1 heraus in den Befestigungsschlitz 4; 6 einführbaren blattförmigen Ausheber auf.To support the disassembly of the plate 2 can also at the bottom of the mounting slot 4th each with a device for releasing plates be bent ends arranged. Such Device in is described in DE 195 09 562 C1 and has one from inside the cylinder 1 in the mounting slot 4; 6 insertable leaf-shaped Lifter on.

    Nach einer zweiten Ausführungsvariante des Verfahrens wird bei der Montage einer Platte 2 der Zylinder 1 soweit in Produktionsrichtung H verdreht, bis das Ende 8 der Platte 2 mit seiner hinteren Einhängeabkantung 11 an der Unterseite 18 des hinteren Einführschiebers 16 anliegt. Dabei stehen beide Einführschieber 14; 16 in Stellung C (Fig. 7). According to a second variant of the The procedure is the assembly of a plate 2 of Cylinder 1 rotated in production direction H until the end 8 of the plate 2 with its rear Hook-in bend 11 on the underside 18 of the rear Insertion slide 16 is present. Both stand there Insertion slide 14; 16 in position C (Fig. 7).

    Nachfolgend wird der erste Einführschieber 14 in Richtung Mantelfläche 3 in Position E verfahren und der Zylinder 1 nachfolgend entgegen seiner Produktionsrichtung soweit zurückgedreht, bis die Mittellinie 10 des Befestigungsschlitzes 6 mit der Leitfläche 22 fluchtet (nicht gezeigt). Schließlich wird der hintere Einhängeschenkel 13 an der Leitfläche 22 des ersten Einführschiebers 14 entlang mittels des zweiten Einführschiebers 16 in den Befestigungsschlitz 6 eingeschoben (analog Darstellung in Fig. 5).Subsequently, the first insertion slide 14 in Move towards the outer surface 3 in position E and the Cylinder 1 below against it Production direction turned back until the Center line 10 of the mounting slot 6 with the Guide surface 22 is aligned (not shown). Eventually the rear suspension leg 13 on the guide surface 22 of the first insertion slide 14 along by means of the second Insertion slide 16 in the fastening slot 6 inserted (analog representation in Fig. 5).

    Claims (13)

    1. Device for mounting a flexible plate (2) having a leading hook-in arm (12) bent over at an acute angle at the edge and having a trailing hook-in arm (13) bent over at an obtuse angle at the edge in a fixing slot (4) in a cylinder (1), set obliquely with respect to the diameter of the cylinder (1), by means of insertion sliders (16) which are matched to the oblique position of the fixing slot (4), can be displaced in the direction of the fixing slot (4) and are intended for the trailing hook-in arm (13), characterized in that an additional obliquely positioned insertion slider (14) is provided for the leading hook-in arm (12) bent over at an acute angle at the edge, and in that this insertion slider (14) can be displaced in the direction of the fixing slot (4).
    2. Device according to Claim 1, characterized in that both insertion sliders (14; 16) can be stopped in more than two positions (C; D; E; P).
    3. Device according to Claims 1 and 2, characterized in that each insertion slider (14; 16) has a linear drive (32; 33).
    4. Device according to Claims 1 to 3, characterized in that the insertion sliders (14; 16) have a number of sprung pressure rollers (24; 26).
    5. Device according to Claims 1 to 4, characterized in that, on the front insertion slider (14) there is provided at least one plunger (44) which passes through it and can be moved to and fro in the direction of the rear insertion slider (16).
    6. Device according to Claims 1 to 5, characterized in that the insertion sliders (14; 16) are of plate-like design.
    7. Device according to Claims 1 to 6, characterized in that the underside (17; 18) of the insertion slider (14; 16), facing the peripheral surface (3) of the cylinder (1), has suction openings (19; 21) to attract one end of the plate (2) by suction.
    8. Device according to Claims 1 to 7, characterized in that the underside (17; 18) of the insertion slider (14; 16) is matched in concave fashion to the radius (r) of the cylinder (1).
    9. Device according to Claims 1 to 8, characterized in that a sheet-like ejector which can be moved in the direction of the periphery (3) is arranged in the fixing slot (4).
    10. Device according to Claims 1 to 9, characterized in that the back of the two insertion sliders (14; 16) in each case forms a guide surface and sliding surface (22; 23) for the other insertion slider (16; 14).
    11. Device according to Claims 1 to 10, characterized in that the insertion sliders (14; 16) are arranged to be parallel to and behind one another and to extend over the entire width of a plate (2).
    12. Device according to Claims 1 to 11, characterized in that the insertion slider (14; 16) can be moved to and fro on a circular cam path on either side of pivoting arms mounted fixed to the frame, the said cam path, in the plate insertion position of the cylinder (1), running virtually parallel to a plane (A; 10) covered by the fixing slot (4; 6).
    13. Method of mounting a flexible plate (2) having a leading hook-in arm (12) bent over at an acute angle at the edge and a trailing hook-in arm (13) bent over at an obtuse angle at the edge in a cylinder (1) provided with at least one fixing slot (4), characterized in that the plate (2) with the leading hook-in arm (12) is guided against a guide surface (23) of a rear insertion slider (16) and the hook-in arm (12) is then inserted into the positioned fixing slot (4) by means of a first insertion slider (14), in that the cylinder (1) with the plate (2) is then moved in such a way that, in the vicinity of the second fixing slot (6), the trailing hook-in arm (13) initially has a relatively large distance (f) from the peripheral surface (3) of the cylinder (1), which distance corresponds at least to the length of the bent-over hook-in arm (13), in that the cylinder (1) is then rotated onwards in the production direction (H) to such an extent that the end (8) of the plate (2) rests with its trailing hook-in bent-over edge (11) on an underside (18) of the rear insertion slider (16), in that the front insertion slider (14) is then moved in the direction of the peripheral surface (3) into a predetermined position (D; E or P), in that the cylinder (1) is then rotated back, counter to its production direction (H), until a centre line (10) of the fixing slot (6) is aligned with a guide surface (22; 23) of the insertion sliders (14; 16), and in that, finally, the rear hook-in arm (13) is pushed along a guide surface (22) and into the fixing slot (6) by means of the second insertion slider (16).
    EP98933488A 1997-05-09 1998-05-09 Method and device for assembling flexible plates, for example printing plates Expired - Lifetime EP0980314B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE19719559 1997-05-09
    DE19719559A DE19719559A1 (en) 1997-05-09 1997-05-09 Method and device for assembling flexible pressure plates
    PCT/DE1998/001294 WO1998051499A2 (en) 1997-05-09 1998-05-09 Method and device for assembling flexible plates, for example printing plates

    Publications (2)

    Publication Number Publication Date
    EP0980314A2 EP0980314A2 (en) 2000-02-23
    EP0980314B1 true EP0980314B1 (en) 2001-11-28

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98933488A Expired - Lifetime EP0980314B1 (en) 1997-05-09 1998-05-09 Method and device for assembling flexible plates, for example printing plates

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    US (1) US6199280B1 (en)
    EP (1) EP0980314B1 (en)
    JP (1) JP3204991B2 (en)
    CN (1) CN1084254C (en)
    DE (2) DE19719559A1 (en)
    ES (1) ES2166171T3 (en)
    WO (1) WO1998051499A2 (en)

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    DE102009052093A1 (en) * 2008-12-02 2010-06-17 Heidelberger Druckmaschinen Ag Method and device for automatically feeding printing plates
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    WO2016046764A1 (en) * 2014-09-24 2016-03-31 Bobst Firenze S.R.L. An apparatus and method for changing a blade of a rotary die cutter, particularly for flexographic printing machines
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    Also Published As

    Publication number Publication date
    ES2166171T3 (en) 2002-04-01
    DE19719559A1 (en) 1998-11-12
    DE59802241D1 (en) 2002-01-10
    CN1084254C (en) 2002-05-08
    JP2000512932A (en) 2000-10-03
    JP3204991B2 (en) 2001-09-04
    WO1998051499A2 (en) 1998-11-19
    EP0980314A2 (en) 2000-02-23
    CN1255089A (en) 2000-05-31
    US6199280B1 (en) 2001-03-13
    WO1998051499A3 (en) 1999-05-27

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