EP0946369B1 - Cylinder for a rotary press - Google Patents

Cylinder for a rotary press Download PDF

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Publication number
EP0946369B1
EP0946369B1 EP97952747A EP97952747A EP0946369B1 EP 0946369 B1 EP0946369 B1 EP 0946369B1 EP 97952747 A EP97952747 A EP 97952747A EP 97952747 A EP97952747 A EP 97952747A EP 0946369 B1 EP0946369 B1 EP 0946369B1
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EP
European Patent Office
Prior art keywords
roller
sections
another
section
operating mode
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
EP97952747A
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German (de)
French (fr)
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EP0946369A1 (en
Inventor
Hans Dierk Mohrmann
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Koenig and Bauer AG
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Koenig and Bauer AG
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Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Priority to EP00104748A priority Critical patent/EP1010529B1/en
Publication of EP0946369A1 publication Critical patent/EP0946369A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/15—Devices for moving vibrator-rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/18—Inking arrangements or devices for inking selected parts of printing formes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/26—Construction of inking rollers
    • 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
    • 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

Definitions

  • the invention relates to a roller for a Rotary printing machine according to the preamble of Claim 1.
  • DE-PS 875 205 describes a roller with a plurality of sleeve-like individual rollers which are spaced apart on a common shaft.
  • the disadvantage of this roller is that these individual rollers cannot form an uninterrupted lateral surface.
  • DE 27 45 086 A1 describes an inking unit roller Management of different colors in side by side Areas whose bales have circumferential separating grooves. These separation grooves can be done with a flexible band fill out.
  • DE-AS 11 93 066 discloses a roller, the bale of which consists of three movable sections.
  • the post-published DE 196 28 647 A1 shows one Ink transport roller, the puncture is closable.
  • the invention has for its object a roller create.
  • the roller is single, relative to each other Slidable sections divided, creating an accurate Delimitation of an end of the respective section is possible. There is also a gap between the Sections, for example, can be changed continuously.
  • the rollers are remotely switchable. H. for example, too adjustable while the machine is running.
  • roller according to the invention for a Rotary printing machine is shown in the drawing and is described in more detail below.
  • a roller 1 essentially has two pins 3, 4 and a bale 7.
  • the pins 3, 4 are fixed, for example with respect to side frames, not shown, and the bale 7 is rotatably mounted on the pins 3, 4.
  • a lateral surface 9 of the bale 7 is provided with a circumferential groove 11 in its center, so that the roller 1 is approximately axially symmetrical with respect to a center line 12 of this groove 11.
  • This roller 1 is preferably an inking or dampening application roller of a rotary printing machine which interacts with a plate cylinder or a distribution cylinder roller between undivided inking rollers.
  • the bale 7 of this roller 1 is equipped with a z. B. rubber-elastic cover 13, z. B.
  • the plate cylinder is - seen in the axial direction - provided with a plurality of plates lying side by side.
  • this plate cylinder can be optionally equipped with two "half-width” or with one "half-width” and two "quarter-width” or with four "quarter-width” plates.
  • the roller 1 is adjustable, d. H. the Shell surface 9 of the bale 7 is in individual sections 19, 21, 22, 23 can be subdivided.
  • the bale 7 of the roller 1 thus points in the axial direction a selectable number of cylindrical sections 19, 21, 22, 23, whose length l19, l21, l22, l23 to a Width of the associated pressure plate is adjusted.
  • Fig. 1 represents the roller 1 through the groove 11 in two Halves 27, 28 is divided in a starting position represents.
  • Fig. 2 shows the roller 1
  • the left half 28 of the Bale 7 has two sections 22, 23 in one second position.
  • the roller 1 is in a third position, the right half 27 of the bale 7 in two Sections 19, 21 is divided.
  • the divisible roller 1 (Fig. 5) is its bale 7 from individual, cylindrical sections 22, 23 composed. Ends of two facing sections 22, 23 are directly adjacent to each other and are for subdivision of the bale 7 displaceable in the axial direction, so that these sections 22, 23 are spaced from one another and between the ends of adjacent sections 22, 23 a circumferential groove 33 is formed.
  • a first exemplary embodiment of a roller 1 is shown in FIG. 5.
  • the cover 13 of the bale 7 is divided into sections 22, 23 and slidable to each other.
  • a support tube 97 of the coating 13 is divided into two sections 98, 99, for example.
  • the "stationary" section 98 of the support tube 97 is rotatably mounted, for example, by means of a roller bearing 101 on a shaft 102 and provided with an uncoated shoulder, which serves as a centering collar 103.
  • the displaceable section 99 of the support tube 97 is provided with a recess which is adapted to the centering collar 103 with little play.
  • the axially displaceable section 99 is rotatably mounted on a sleeve 104 by means of two roller bearings 106, 107.
  • This sleeve 104 is mounted on two sliding bearings 108, 109 and can be displaced in the axial direction on the shaft 102.
  • a compression spring 111 is arranged on the shaft 102, which generates a force on the displaceable section 99 pointing away from the fixed section 98.
  • a pot-like housing 112 is arranged on the shaft 102 at a second end of the sleeve 104 and sealed by means of a seal 113.
  • the housing 112 is provided with a shoulder 114 which presses against the sleeve 104 on the end face.
  • the housing 112, which is open in the direction of the pin 4, is provided with a bore 116, to which an outer diameter of a disk 117 is adapted.
  • This disc 117 has a seal 118 on its outer surface, which serves to seal the disc 117 against the housing 112.
  • This disc 117 is axially immovably fixed on a shoulder at the end of the shaft 102 by means of a threaded nut 119.
  • the disk 117 is provided with a connection 121 for supplying pressure medium into a chamber 122 formed by the disk 117 and the housing 112.
  • the pin 4 having a flange 123 is screwed onto the flat side of the disk 117 by means of threaded screws 124.
  • the compression spring 111 presses against the sleeve 104.
  • This sleeve 104 moves the displaceable section 99 axially in the direction of the pin 4 away from the fixed section 98.
  • the sleeve 104 also presses against the housing 112, which is thereby axially displaced.
  • the housing 112 therefore moves relative to the disk 117.
  • the axial movement of the section 99 creates a distance a33 in the form of a groove 33 between the coatings 13 of the first 98 and second section 99.
  • the two sections 98, 99 pushed together so that none Distance a33 more between the coatings is.
  • the chamber 122 is included Pressure medium applied.
  • the housing 112 relative to the disk 117 in the direction of the center of the roller 1 postponed.
  • the housing 112 Sleeve 104 and the portion 99 of the support tube 97 in moved in the axial direction.
  • a cover 22; 23 over one end of the associated as Stop in the non-spaced condition serving section 98; 99 of the support tube 97 to survive. So can for example, one located in the area of the groove 33 End face of cover 22 or 23 and section 98 or 99 with a light inner cone. Thereby are when pushing the sections 98; 99 the Covers pressed together deforming. A yourself Any resulting bulge is blended in the compressed state removed.
  • roller 1 In a second embodiment (Fig. 6) of the roller 1 becomes the space between disc 126 and housing 127 not directly pressurized, but it is an endless between disc 126 and housing 127, annular tube 128 arranged.
  • This hose 128 is with a connection 129 for the supply of Pressure medium connected. The shift of the two Parts 98, 99 are carried out relative to each other corresponding to the first one shown in FIG. 5 Embodiment.
  • a third exemplary embodiment (FIG. 7) of a roller 1 uses a threaded spindle 131 for axially displacing the displaceable section 99. Similar to the sleeve 104 of the first two examples, a sleeve-like threaded spindle 131 is provided here. This threaded spindle 131 is formed at its end facing the center of the roller 1 with axially extending slots 132. A pin 133, which projects radially through the shaft 102, engages in these slots 132, so that the threaded spindle 131 is axially movable but non-rotatable. At the opposite end, the threaded spindle 131 has an external thread 134.
  • An internal thread 136 of a worm wheel 137 is screwed onto this external thread 134.
  • This worm wheel 137 is rotatable between the flange 123 of the pin 4 and a bearing shell 138 attached to it, but is mounted in the axial direction in a stationary manner on the shaft 102 by means of a sliding bearing 139.
  • a worm 141 engages in this worm wheel 137.
  • This worm 141 is fixed tangentially with respect to the worm wheel 137 in the bearing shell 138 in the axial direction, but rotatably.
  • an internal hexagon is attached to the screw 141 at the end.
  • the worm 141 is rotated to move the two sections 98, 99 relative to one another. This rotary movement is transmitted to the worm wheel 137.
  • the threaded spindle 131 is screwed into or out of the worm wheel 137.
  • the distance a33 between the two sections 98, 99 is changed in accordance with the position of the threaded spindle 131.
  • ends of the sections 98, 99 of the support tube 97 are flush with the sections 22, 23 of the coating 13.
  • the ends of the sections 22, 23 are made at right angles to the lateral surface in the region of the groove 33.
  • a rubber-elastic coating 13 is not absolutely necessary in order to subdivide the roller 1.
  • This type of roll division can therefore also be used on, for example, chrome or Rilsan rolls (eg distribution cylinders with a "hard” coating).
  • each Roller 1 according to the invention have the same size Outside diameter and the lateral surface is 9 mounted concentrically to an axis of rotation of the roller 1.
  • the rollers according to the invention are divided into at least two cylindrical sections 19, 21, 22, 23 lying next to one another by at least one circumferential, annular recess (for example the groove 33).
  • this recess 33 is removed to form a functionally uninterrupted lateral surface 8, 9.
  • the displaceable section 99 is pushed towards the fixed section 98 of the support tube 97, so that the sections 19 and 21 or 22 and 23 abut one another without a gap.
  • the groove 33 can also be inclined to the axis of rotation, d. H. the associated end faces of the sections 19; 21; 22; 23 point to the center line 12 along its Circumference different distance.
  • the angled end faces can also be from a Straight line deviating, any course. At grab a zigzag course, for example the sections are tooth-like.

Landscapes

  • Rolls And Other Rotary Bodies (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Massaging Devices (AREA)
  • Friction Gearing (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control Of Presses (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The invention relates to a cylinder for a rotary press which is subdivided into a plurality of sections in a first operational mode. In a second operational mode, the cylinder has a functionally continuous outer surface.

Description

Die Erfindung betrifft eine Walze für eine Rotationsdruckmaschine gemäß dem Oberbegriff des Anspruches 1.The invention relates to a roller for a Rotary printing machine according to the preamble of Claim 1.

Die DE-PS 875 205 beschreibt eine Walze mit mehreren auf einer gemeinsamen Welle beabstandet angeordneten, hülsenartigen Einzelwalzen.
Nachteilig ist bei dieser Walze, daß diese Einzelwalzen keine ununterbrochene Mantelfläche bilden können.DE-PS 875 205 describes a roller with a plurality of sleeve-like individual rollers which are spaced apart on a common shaft.
The disadvantage of this roller is that these individual rollers cannot form an uninterrupted lateral surface.

Die DE 27 45 086 A1 beschreibt eine Farbwerkswalze zur Führung verschiedener Farben in nebeneinanderliegenden Bereichen, deren Ballen umlaufende Trennnuten aufweist. Diese Trennnuten können mit einem flexiblen Band ausgefüllt werden.DE 27 45 086 A1 describes an inking unit roller Management of different colors in side by side Areas whose bales have circumferential separating grooves. These separation grooves can be done with a flexible band fill out.

Die DE-AS 11 93 066 offenbart eine Walze, deren Ballen aus drei verschiebbaren Abschnitten besteht.DE-AS 11 93 066 discloses a roller, the bale of which consists of three movable sections.

Die nachveröffentlichte DE 196 28 647 A1 zeigt eine Farbtransportwalze, deren Einstich schließbar ist.The post-published DE 196 28 647 A1 shows one Ink transport roller, the puncture is closable.

Der Erfindung liegt die Aufgabe zugrunde, eine Walze zu schaffen.The invention has for its object a roller create.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des kennzeichnenden Teiles des Anspruches 1 gelöst.This object is achieved by the features of the characterizing part of claim 1 solved.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß ein Ballen einer Walze in Abschnitte wählbar unterteilbar ist. Somit ist es beispielsweise möglich, die Walze auf eine Mehrzahl von nebeneinander beabstandet liegender Platten anzupassen, ohne Walzen wechseln zu müssen. Anhäufungen von Farbe auf der Walze im Bereich des Zwischenraumes der Platten werden vermieden. Damit werden Druckstörungen reduziert und die Druckqualität erhöht.The advantages that can be achieved with the invention exist especially in that a bale of a roller in Sections can be subdivided. So it is for example possible to roll the roller on a plurality of to adapt panels that are spaced apart from one another, without having to change rollers. Accumulations of color on the roller in the area of the space between the plates are avoided. This reduces pressure disturbances and increases the print quality.

Die Walze ist in einzelne, relativ zueinander verschiebbare Abschnitte unterteilt, wodurch eine genaue Abgrenzung eines Endes des jeweiligen Abschnittes möglich ist. Auch ist ein Abstand zwischen den Abschnitten beispielsweise stufenlos veränderbar.The roller is single, relative to each other Slidable sections divided, creating an accurate Delimitation of an end of the respective section is possible. There is also a gap between the Sections, for example, can be changed continuously.

Die Walzen sind fernschaltbar, d. h. beispielsweise auch bei laufender Maschine verstellbar.The rollers are remotely switchable. H. for example, too adjustable while the machine is running.

Die erfindungsgemäße Walze für eine Rotationsdruckmaschine ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.The roller according to the invention for a Rotary printing machine is shown in the drawing and is described in more detail below.

Es zeigen

Fig. 1 bis 4
schematische Darstellungen einer ersten Art von Walze in verschiedenen Betriebsstellungen;
Fig. 5
einen schematischen Längsschnitt durch ein erstes Ausführungsbeispiel einer Walze;
Fig. 6
einen schematischen Längsschnitt durch ein zweites Ausführungsbeispiel einer Walze;
Fig. 7
einen schematischen Längsschnitt durch ein drittes Ausführungsbeispiel einer Walze.
Show it
1 to 4
schematic representations of a first type of roller in different operating positions;
Fig. 5
a schematic longitudinal section through a first embodiment of a roller;
Fig. 6
a schematic longitudinal section through a second embodiment of a roller;
Fig. 7
a schematic longitudinal section through a third embodiment of a roller.

Eine Walze 1 weist im wesentlichen zwei Zapfen 3, 4 und einen Ballen 7 auf. Die Zapfen 3, 4 sind beispielsweise bezüglich nicht dargestellter Seitengestelle ortsfest befestigt und der Ballen 7 ist auf den Zapfen 3, 4 drehbar gelagert. In den vorliegenden Ausführungsbeispielen ist eine Mantelfläche 9 des Ballens 7 in ihrer Mitte mit einer umlaufenden Nut 11 versehen, so daß die Walze 1 annähernd achsensymmetrisch zu einer Mittellinie 12 dieser Nut 11 ausgebildet ist. Vorzugsweise handelt es sich bei dieser Walze 1 um mit einem Plattenzylinder zusammenwirkende Farb- oder Feuchtauftragwalzen einer Rotationsdruckmaschine bzw. um eine Reibzylinderwalze zwischen ungeteilten Farbauftragwalzen.
Der Ballen 7 dieser Walze 1 ist mit einem z. B. gummielastischen Bezug 13, z. B. Kautschuk oder einem Elastomer beschichtet. Der Plattenzylinder ist - in axialer Richtung gesehen - mit einer Mehrzahl von nebeneinander liegenden Platten versehen. Beispielsweise ist dieser Plattenzylinder wahlweise mit zwei "halbbreiten" oder mit einer "halbbreiten" und zwei "viertelbreiten" oder mit vier "viertelbreiten" Platten belegbar. A roller 1 essentially has two pins 3, 4 and a bale 7. The pins 3, 4 are fixed, for example with respect to side frames, not shown, and the bale 7 is rotatably mounted on the pins 3, 4. In the present exemplary embodiments, a lateral surface 9 of the bale 7 is provided with a circumferential groove 11 in its center, so that the roller 1 is approximately axially symmetrical with respect to a center line 12 of this groove 11. This roller 1 is preferably an inking or dampening application roller of a rotary printing machine which interacts with a plate cylinder or a distribution cylinder roller between undivided inking rollers.
The bale 7 of this roller 1 is equipped with a z. B. rubber-elastic cover 13, z. B. rubber or an elastomer. The plate cylinder is - seen in the axial direction - provided with a plurality of plates lying side by side. For example, this plate cylinder can be optionally equipped with two "half-width" or with one "half-width" and two "quarter-width" or with four "quarter-width" plates.

Entsprechend einer gewählten Belegung des Plattenzylinders ist die Walze 1 anpaßbar, d. h. die Mantelfläche 9 des Ballens 7 ist in einzelne Abschnitte 19, 21, 22, 23 unterteilbar.According to a chosen occupancy of the Plate cylinder, the roller 1 is adjustable, d. H. the Shell surface 9 of the bale 7 is in individual sections 19, 21, 22, 23 can be subdivided.

Der Ballen 7 der Walze 1 weist also in axialer Richtung eine wählbare Anzahl von zylindrischen Abschnitten 19, 21, 22, 23 auf, deren Länge l19, l21, l22, l23 auf eine Breite der zugehörigen Druckplatte angepaßt ist.The bale 7 of the roller 1 thus points in the axial direction a selectable number of cylindrical sections 19, 21, 22, 23, whose length l19, l21, l22, l23 to a Width of the associated pressure plate is adjusted.

Fig. 1 stellt die Walze 1, die durch die Nut 11 in zwei Hälften 27, 28 unterteilt ist, in einer Ausgangsstellung dar.Fig. 1 represents the roller 1 through the groove 11 in two Halves 27, 28 is divided in a starting position represents.

Fig. 2 zeigt die Walze 1, deren linke Hälfte 28 des Ballens 7 zwei Abschnitte 22, 23 aufweist, in einer zweiten Stellung.Fig. 2 shows the roller 1, the left half 28 of the Bale 7 has two sections 22, 23 in one second position.

In Fig. 3 ist die Walze 1 in einer dritten Stellung, wobei die rechte Hälfte 27 des Ballens 7 in zwei Abschnitte 19, 21 unterteilt ist.3, the roller 1 is in a third position, the right half 27 of the bale 7 in two Sections 19, 21 is divided.

In der vierten Stellung der Walze 1 der Fig. 4 sind die rechte 27 und die linke Hälfte 28 des Ballens 7 jeweils in zwei Abschnitte 19, 21 und 22, 23 unterteilt.In the fourth position of the roller 1 of FIG. 4, the right 27 and left half 28 of bale 7 each divided into two sections 19, 21 and 22, 23.

Anstelle der dargestellten Unterteilung ist auch eine andere Anzahl und Anordnung (z. B. asymmetrisch) der Abschnitte 19, 21, 22, 23 möglich.Instead of the subdivision shown, there is also a different number and arrangement (e.g. asymmetrical) of Sections 19, 21, 22, 23 possible.

In den folgenden Beschreibungen wird zur Vereinfachung jeweils nur eine Hälfte 28 der Walze 1 beschrieben und dargestellt. Bezogen auf eine Drehachse der Walze 1 ist in jeweils einer Figur in deren oberen Teil die Walze 1 in unbetätigter Ausgangsstellung, d. h. mit ungeteiltem Ballen 7 und im unteren Teil die Walze 1 in betätigtem Zustand, d. h. mit unterteiltem Ballen 7 dargestellt.The following descriptions will simplify only one half 28 of the roller 1 described and shown. Relative to an axis of rotation of the roller 1 in each case a figure in the upper part of the roller 1 in unactuated starting position, d. H. with undivided Bale 7 and in the lower part the roller 1 in actuated Condition, d. H. shown with divided bale 7.

Bei der unterteilbaren Walze 1 (Fig. 5) ist deren Ballen 7 aus einzelnen, zylindrischen Abschnitten 22, 23 zusammengesetzt. Enden zweier zugewandter Abschnitte 22, 23 liegen direkt aneinander und sind zur Unterteilung des Ballens 7 in axialer Richtung verschiebbar, so daß diese Abschnitte 22, 23 zueinander beabstandet sind und zwischen den Enden benachbarter Abschnitte 22, 23 eine umlaufende Nut 33 entsteht.In the divisible roller 1 (Fig. 5) is its bale 7 from individual, cylindrical sections 22, 23 composed. Ends of two facing sections 22, 23 are directly adjacent to each other and are for subdivision of the bale 7 displaceable in the axial direction, so that these sections 22, 23 are spaced from one another and between the ends of adjacent sections 22, 23 a circumferential groove 33 is formed.

Ein erstes Ausführungsbeispiel einer Walze 1 ist in Fig. 5 dargestellt.
Hierbei ist der Bezug 13 des Ballens 7 in Teilstücke 22, 23 unterteilt und zueinander verschiebbar. Ein Tragrohr 97 der Beschichtung 13 ist beispielsweise in zwei Teilstücke 98, 99 unterteilt.
Das "ortsfeste" Teilstück 98 des Tragrohres 97 ist beispielsweise mittels eines Wälzlagers 101 auf einer Welle 102 drehbar gelagert und mit einem unbeschichteten Absatz versehen, der als Zentrierbund 103 dient. An seinem dem feststehenden Teilstück 98 zugewandten Ende ist das verschiebbare Teilstück 99 des Tragrohres 97 mit einer Eindrehung versehen, die auf den Zentrierbund 103 spielarm angepaßt ist.
Das axial verschiebbare Teilstück 99 ist auf einer Hülse 104 mittels zweier Wälzlager 106, 107 drehbar gelagert. Diese Hülse 104 ist auf zwei Gleitlagern 108, 109 gelagert und auf der Welle 102 in axialer Richtung verschiebbar. Zwischen einem ersten Ende dieser Hülse 104 und dem Wälzlager 101 des feststehenden Teilstückes 98 ist eine Druckfeder 111 auf der Welle 102 angeordnet, die eine Kraft auf das verschiebbare Teilstück 99 von dem feststehenden Teilstück 98 wegweisend erzeugt. An einem zweiten Ende der Hülse 104 ist ein topfartiges Gehäuse 112 auf der Welle 102 angeordnet und mittels einer Dichtung 113 abgedichtet. Das Gehäuse 112 ist mit einem Absatz 114 versehen, der stirnseitig gegen die Hülse 104 drückt. Das in Richtung des Zapfens 4 offene Gehäuse 112 ist mit einer Bohrung 116 versehen, auf die ein Außendurchmesser einer Scheibe 117 angepaßt ist. Diese Scheibe 117 weist an ihrer Mantelfläche eine Dichtung 118 auf, die zur Abdichtung der Scheibe 117 gegen das Gehäuse 112 dient. Diese Scheibe 117 ist an dem Ende der Welle 102 auf einem Absatz mittels einer Gewindemutter 119 axial unbeweglich befestigt. An ihrer außenliegenden Planseite ist die Scheibe 117 mit einem Anschluß 121 zur Zufuhr von Druckmittel in eine von Scheibe 117 und Gehäuse 112 gebildete Kammer 122 versehen. Der einen Flansch 123 aufweisende Zapfen 4 ist mittels Gewindeschrauben 124 an der Planseite der Scheibe 117 angeschraubt.A first exemplary embodiment of a roller 1 is shown in FIG. 5.
Here, the cover 13 of the bale 7 is divided into sections 22, 23 and slidable to each other. A support tube 97 of the coating 13 is divided into two sections 98, 99, for example.
The "stationary" section 98 of the support tube 97 is rotatably mounted, for example, by means of a roller bearing 101 on a shaft 102 and provided with an uncoated shoulder, which serves as a centering collar 103. At its end facing the fixed section 98, the displaceable section 99 of the support tube 97 is provided with a recess which is adapted to the centering collar 103 with little play.
The axially displaceable section 99 is rotatably mounted on a sleeve 104 by means of two roller bearings 106, 107. This sleeve 104 is mounted on two sliding bearings 108, 109 and can be displaced in the axial direction on the shaft 102. Between a first end of this sleeve 104 and the roller bearing 101 of the fixed section 98, a compression spring 111 is arranged on the shaft 102, which generates a force on the displaceable section 99 pointing away from the fixed section 98. A pot-like housing 112 is arranged on the shaft 102 at a second end of the sleeve 104 and sealed by means of a seal 113. The housing 112 is provided with a shoulder 114 which presses against the sleeve 104 on the end face. The housing 112, which is open in the direction of the pin 4, is provided with a bore 116, to which an outer diameter of a disk 117 is adapted. This disc 117 has a seal 118 on its outer surface, which serves to seal the disc 117 against the housing 112. This disc 117 is axially immovably fixed on a shoulder at the end of the shaft 102 by means of a threaded nut 119. On its outer plane side, the disk 117 is provided with a connection 121 for supplying pressure medium into a chamber 122 formed by the disk 117 and the housing 112. The pin 4 having a flange 123 is screwed onto the flat side of the disk 117 by means of threaded screws 124.

Im drucklosen Zustand der Kammer 122 drückt die Druckfeder 111 gegen die Hülse 104. Diese Hülse 104 bewegt das verschiebbare Teilstück 99 axial in Richtung Zapfen 4 von dem feststehenden Teilstück 98 weg. Gleichzeitig drückt auch die Hülse 104 gegen das Gehäuse 112, das dadurch axial verschoben wird. Das Gehäuse 112 bewegt sich also relativ zur Scheibe 117.
Durch die axiale Bewegung des Teilstückes 99 wird ein Abstand a33 in Form einer Nut 33 zwischen den Beschichtungen 13 des ersten 98 und zweiten Teilstückes 99 geschaffen.In the depressurized state of the chamber 122, the compression spring 111 presses against the sleeve 104. This sleeve 104 moves the displaceable section 99 axially in the direction of the pin 4 away from the fixed section 98. At the same time, the sleeve 104 also presses against the housing 112, which is thereby axially displaced. The housing 112 therefore moves relative to the disk 117.
The axial movement of the section 99 creates a distance a33 in the form of a groove 33 between the coatings 13 of the first 98 and second section 99.

Um einen quasi durchgehenden, d. h. funktional unterbrechungslosen Bezug 13 zu erhalten, werden die beiden Teilstücke 98, 99 zusammengeschoben, so daß kein Abstand a33 mehr zwischen den Beschichtungen vorhanden ist. Um dies zu erreichen, wird die Kammer 122 mit Druckmittel beaufschlagt. Dadurch wird das Gehäuse 112 relativ zur Scheibe 117 in Richtung Mitte der Walze 1 verschoben. Gleichzeitig werden von dem Gehäuse 112 die Hülse 104 und das Teilstück 99 des Tragrohres 97 in axialer Richtung bewegt.In order to create a quasi-continuous, i.e. H. functional To obtain uninterrupted reference 13, the two sections 98, 99 pushed together so that none Distance a33 more between the coatings is. To accomplish this, the chamber 122 is included Pressure medium applied. As a result, the housing 112 relative to the disk 117 in the direction of the center of the roller 1 postponed. At the same time, the housing 112 Sleeve 104 and the portion 99 of the support tube 97 in moved in the axial direction.

Es ist auch möglich, im Bereich der Nut 33 zumindest einen Bezug 22; 23 über ein Ende des zugehörigen, als Anschlag im abstandslosen Zustand dienenden Teilstückes 98; 99 des Tragrohres 97 überstehen zu lassen. So kann beispielsweise eine im Bereich der Nut 33 liegende Stirnfläche von Bezug 22 bzw. 23 und Teilstück 98 bzw. 99 mit einem leichten Innenkonus versehen sein. Dadurch werden beim Zusammenschieben der Teilstücke 98; 99 die Bezüge sich verformend aneinandergepreßt. Eine sich evtl. ergebende Aufwölbung wird durch überschleifen im zusammengepreßten Zustand entfernt.It is also possible, at least in the area of the groove 33 a cover 22; 23 over one end of the associated, as Stop in the non-spaced condition serving section 98; 99 of the support tube 97 to survive. So can for example, one located in the area of the groove 33 End face of cover 22 or 23 and section 98 or 99 with a light inner cone. Thereby are when pushing the sections 98; 99 the Covers pressed together deforming. A yourself Any resulting bulge is blended in the compressed state removed.

In einem zweiten Ausführungsbeispiel (Fig. 6) der Walze 1 wird der Raum zwischen Scheibe 126 und Gehäuse 127 nicht direkt mit Druckmittel beaufschlagt, sondern es ist zwischen Scheibe 126 und Gehäuse 127 ein endloser, ringförmiger Schlauch 128 angeordnet. Dieser Schlauch 128 ist mit einem Anschluß 129 zur Zufuhr von Druckmittel verbunden. Die Verschiebung der beiden Teilstücke 98, 99 relativ zueinander erfolgt entsprechend dem ersten, in Fig. 5 dargestellten Ausführungsbeispiel.In a second embodiment (Fig. 6) of the roller 1 becomes the space between disc 126 and housing 127 not directly pressurized, but it is an endless between disc 126 and housing 127, annular tube 128 arranged. This hose 128 is with a connection 129 for the supply of Pressure medium connected. The shift of the two Parts 98, 99 are carried out relative to each other corresponding to the first one shown in FIG. 5 Embodiment.

Ein drittes Ausführungsbeispiel (Fig. 7) einer Walze 1 verwendet zum axialen Verschieben des verschiebbaren Teilstückes 99 eine Gewindespindel 131. Ähnlich der Hülse 104 der ersten beiden Beispiele ist hier eine hülsenartige Gewindespindel 131 vorgesehen. Diese Gewindespindel 131 ist an ihrem zur Mitte der Walze 1 zeigenden Ende mit axial verlaufenden Schlitzen 132 ausgebildet. In diese Schlitze 132 greift ein durch die Welle 102 radial ragender Stift 133 ein, so daß die Gewindespindel 131 axial bewegbar, aber unverdrehbar ist. Am gegenüberliegenden Ende weist die Gewindespindel 131 ein Außengewinde 134 auf. Auf dieses Außengewinde 134 ist ein Innengewinde 136 eines Schneckenrades 137 aufgeschraubt. Dieses Schneckenrad 137 ist zwischen dem Flansch 123 des Zapfens 4 und einer daran befestigten Lagerschale 138 drehbar, aber in axialer Richtung ortsfest mittels eines Gleitlagers 139 auf der Welle 102 gelagert.
In dieses Schneckenrad 137 greift eine Schnecke 141 ein. Diese Schnecke 141 ist tangential bezüglich des Schneckenrades 137 in der Lagerschale 138 in axialer Richtung fest, jedoch drehbar gelagert. Zum Drehen der Schnecke 141 ist stirnseitig ein Innensechskant an der Schnecke 141 angebracht.A third exemplary embodiment (FIG. 7) of a roller 1 uses a threaded spindle 131 for axially displacing the displaceable section 99. Similar to the sleeve 104 of the first two examples, a sleeve-like threaded spindle 131 is provided here. This threaded spindle 131 is formed at its end facing the center of the roller 1 with axially extending slots 132. A pin 133, which projects radially through the shaft 102, engages in these slots 132, so that the threaded spindle 131 is axially movable but non-rotatable. At the opposite end, the threaded spindle 131 has an external thread 134. An internal thread 136 of a worm wheel 137 is screwed onto this external thread 134. This worm wheel 137 is rotatable between the flange 123 of the pin 4 and a bearing shell 138 attached to it, but is mounted in the axial direction in a stationary manner on the shaft 102 by means of a sliding bearing 139.
A worm 141 engages in this worm wheel 137. This worm 141 is fixed tangentially with respect to the worm wheel 137 in the bearing shell 138 in the axial direction, but rotatably. To turn the screw 141, an internal hexagon is attached to the screw 141 at the end.

Zum Verschieben der beiden Teilstücke 98, 99 relativ zueinander wird die Schnecke 141 gedreht. Diese Drehbewegung wird auf das Schneckenrad 137 übertragen. Dadurch wird bei ortsfestem Schneckenrad 137 die Gewindespindel 131 in das Schneckenrad 137 hinein- oder herausgeschraubt. Der Abstand a33 zwischen den beiden Teilstücke 98, 99 wird entsprechend der Stellung der Gewindespindel 131 verändert.
In den vorliegenden Ausführungsbeispielen (Fig. 5, 6, 7) schließen Enden der Teilstücke 98, 99 des Tragrohres 97 bündig mit den Abschnitten 22, 23 der Beschichtung 13 ab. Die Enden der Abschnitte 22, 23 sind im Bereich der Nut 33 rechtwinklig zur Mantelfläche ausgeführt. Es ist aber auch möglich die Abschnitte 22, 23 über die Teilstücke 98, 99 hinausragen zu lassen.
Bei der zweiten Art von Walzen 1 ist eine gummielastische Beschichtung 13 nicht zwingend notwendig, um die Walze 1 zu unterteilen. Diese Art Walzen zu unterteilen, ist somit auch auf beispielsweise Chrom- oder Rilsanwalzen (z. B. Reibzylinder mit "harter" Beschichtung) anwendbar.The worm 141 is rotated to move the two sections 98, 99 relative to one another. This rotary movement is transmitted to the worm wheel 137. As a result, when the worm wheel 137 is stationary, the threaded spindle 131 is screwed into or out of the worm wheel 137. The distance a33 between the two sections 98, 99 is changed in accordance with the position of the threaded spindle 131.
In the present exemplary embodiments (FIGS. 5, 6, 7), ends of the sections 98, 99 of the support tube 97 are flush with the sections 22, 23 of the coating 13. The ends of the sections 22, 23 are made at right angles to the lateral surface in the region of the groove 33. However, it is also possible to have the sections 22, 23 protrude beyond the sections 98, 99.
In the second type of rollers 1, a rubber-elastic coating 13 is not absolutely necessary in order to subdivide the roller 1. This type of roll division can therefore also be used on, for example, chrome or Rilsan rolls (eg distribution cylinders with a "hard" coating).

Die einzelnen Abschnitte 19, 21, 22, 23 jeder erfindungsgemäßen Walze 1 weisen gleich große Außendurchmesser auf und deren Mantelfläche 9 ist konzentrisch zu einer Drehachse der Walze 1 gelagert.The individual sections 19, 21, 22, 23 each Roller 1 according to the invention have the same size Outside diameter and the lateral surface is 9 mounted concentrically to an axis of rotation of the roller 1.

Die erfindungsgemäßen Walzen sind in einer ersten Betriebsart durch mindestens eine umlaufende, ringförmige Vertiefung (z. B. die Nut 33) in mindestens zwei nebeneinander liegende, zylinderförmige Abschnitte 19, 21, 22, 23 unterteilt. In einer zweiten Betriebsart wird diese Vertiefung 33 zur Bildung einer funktional unterbrechungslosen Mantelfläche 8, 9 aufgehoben.
Bei den Walzen 1 wird dazu das verschiebbare Teilstück 99 an das feste Teilstück 98 des Tragrohres 97 herangeschoben, so daß die Abschnitte 19 und 21 bzw. 22 und 23 ohne Abstand aneinanderliegen.In a first operating mode, the rollers according to the invention are divided into at least two cylindrical sections 19, 21, 22, 23 lying next to one another by at least one circumferential, annular recess (for example the groove 33). In a second operating mode, this recess 33 is removed to form a functionally uninterrupted lateral surface 8, 9.
For the rollers 1, the displaceable section 99 is pushed towards the fixed section 98 of the support tube 97, so that the sections 19 and 21 or 22 and 23 abut one another without a gap.

Die Nut 33 kann auch geneigt zur Drehachse verlaufen, d. h. die zugehörigen Stirnflächen der Abschnitte 19; 21; 22; 23 weisen zur Mittellinie 12 entlang ihres Umfanges unterschiedlichen Abstand auf.The groove 33 can also be inclined to the axis of rotation, d. H. the associated end faces of the sections 19; 21; 22; 23 point to the center line 12 along its Circumference different distance.

Die abgewinkelten Stirnflächen können auch von einer Geraden abweichenden, beliebigen Verlauf aufweisen. Bei einem beispielsweise zick-zackartigen Verlauf greifen die Abschnitte zahnartig ineinander. The angled end faces can also be from a Straight line deviating, any course. At grab a zigzag course, for example the sections are tooth-like.

BezugszeichenlisteReference list

11
Walzeroller
22nd
--
33rd
ZapfenCones
44th
ZapfenCones
55
--
66
--
77
Ballen (2)Bale (2)
88th
--
99
Mantelfläche (6)Lateral surface (6)
1010th
--
1111
NutGroove
1212th
MittellinieCenter line
1313
Bezugreference
1414
--
1515
--
1616
--
1717th
--
1818th
--
1919th
Abschnitt (7)Section (7)
2020th
--
2121
Abschnitt (7)Section (7)
2222
Abschnitt (7)Section (7)
2323
Abschnitt (7)Section (7)
2424th
--
2525th
--
2626
--
2727
Hälfte (1) Half (1)
2828
Hälfte (1)Half (1)
2929
MantelflächeLateral surface
3030th
--
3131
--
3232
--
3333
NutGroove
3434
--
3535
--
3636
--
3737
--
3838
--
3939
--
4040
--
4141
--
4242
--
4343
--
4444
--
4545
--
4646
--
4747
--
4848
--
4949
--
5050
--
5151
--
5252
--
5353
--
5454
--
5555
--
5656
- -
5757
--
5858
--
5959
--
6060
--
6161
--
6262
--
6363
--
6464
--
6565
--
6666
--
6767
--
6868
--
6969
--
7070
--
7171
--
7272
--
7373
--
7474
--
7575
--
7676
--
7777
--
7878
--
7979
--
8080
--
8181
--
8282
--
8383
--
8484
--
8585
- -
8686
--
8787
--
8888
--
8989
--
9090
--
9191
--
9292
--
9393
--
9494
--
9595
--
9696
--
9797
TragrohrSupport tube
9898
Teilstück (97)Section (97)
9999
Teilstück (97)Section (97)
100100
--
101101
Wälzlagerroller bearing
102102
Wellewave
103103
ZentrierbundCentering collar
104104
HülseSleeve
105105
--
106106
Wälzlagerroller bearing
107107
Wälzlagerroller bearing
108108
Gleitlagerbearings
109109
Gleitlagerbearings
110110
--
111111
DruckfederCompression spring
112112
Gehäusecasing
113113
Dichtungpoetry
114114
Absatz (112) Heel (112)
115115
--
116116
Bohrung (112)Bore (112)
117117
Scheibedisc
118118
Dichtungpoetry
119119
GewindemutterThreaded nut
120120
--
121121
AnschlußConnection
122122
Kammerchamber
123123
Flansch (4)Flange (4)
124124
GewindeschraubeThreaded screw
125125
--
126126
Scheibedisc
127127
Gehäusecasing
128128
Schlauchtube
129129
AnschlußConnection
130130
--
131131
GewindespindelThreaded spindle
132132
Schlitz (131)Slot (131)
133133
Stiftpen
134134
Außengewinde (131)Male thread (131)
135135
--
136136
Innengewinde (137)Internal thread (137)
137137
SchneckenradWorm wheel
138138
LagerschaleBearing shell
139139
Gleitlagerbearings
140140
--
141141
Schnecke slug
a33a33
Abstanddistance
d44d44
Außendurchmesserouter diameter
d63d63
Durchmesserdiameter
l19l19
Längelength
l21l21
Längelength
l22l22
Längelength
l23l23
Längelength
h61h61
Höheheight
t54t54
Tiefedepth
d64min.d64min.
Durchmesserdiameter
d64max.d64max.
Durchmesserdiameter

Claims (4)

  1. Roller (1) for a rotary printing machine, the barrel (6) of the said roller (1) having at least two cylindrical sections (19; 21; 22; 23) which are located beside one another and have a cover and which, in a first operating mode, are arranged at a distance (a33) from one another and can be displaced relative to one another and, in a second operating mode, the covers of the sections (19; 21; 22; 23) being arranged without any spacing, forming a functionally uninterrupted circumferential surface (8), characterized in that, in the second operating mode, the covers of the sections (19; 21; 22; 23) are arranged so as to be pressed against one another and deform one another.
  2. Roller (1) according to Claim 1, characterized in that, in the area of a groove (33) located between the sections (22; 23), a cover (22; 23) projects beyond one end of an associated portion of a supporting pipe (98; 99).
  3. Roller (1) according to Claim 2, characterized in that one end face of the cover (22; 23) is provided with an internal cone.
  4. Method of producing a roller (1) for a rotary printing machine, the barrel (6) of the said roller (1) having at least two cylindrical sections (19; 21; 22; 23) which are located beside one another and have a cover and which, in a first operating mode, are arranged at a distance (a33) from one another and can be displaced relative to one another and, in a second operating mode, the covers of the sections (19; 21; 22; 23) being arranged without any spacing, forming a functionally uninterrupted circumferential surface (8), characterized in that the covers of the sections (22; 23) are pressed against one another and deform one another, forming a bulge, and in that the roller (1) is ground with covers of the sections (22; 23) resting against one another.
EP97952747A 1996-12-20 1997-12-19 Cylinder for a rotary press Expired - Lifetime EP0946369B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00104748A EP1010529B1 (en) 1996-12-20 1997-12-19 Cylinder for a rotary press

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19653404A DE19653404A1 (en) 1996-12-20 1996-12-20 roller
DE19653404 1996-12-20
PCT/DE1997/002982 WO1998028141A1 (en) 1996-12-20 1997-12-19 Cylinder for a rotary press

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP00104748A Division EP1010529B1 (en) 1996-12-20 1997-12-19 Cylinder for a rotary press

Publications (2)

Publication Number Publication Date
EP0946369A1 EP0946369A1 (en) 1999-10-06
EP0946369B1 true EP0946369B1 (en) 2001-05-30

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EP00104748A Expired - Lifetime EP1010529B1 (en) 1996-12-20 1997-12-19 Cylinder for a rotary press
EP97952747A Expired - Lifetime EP0946369B1 (en) 1996-12-20 1997-12-19 Cylinder for a rotary press
EP97953654A Expired - Lifetime EP0946370B1 (en) 1996-12-20 1997-12-19 Cylinder for rotary press

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Country Status (10)

Country Link
US (2) US6129017A (en)
EP (3) EP1010529B1 (en)
JP (2) JP3187062B2 (en)
CN (2) CN1093470C (en)
BR (2) BR9714158A (en)
DE (6) DE19653404A1 (en)
ES (2) ES2147464T3 (en)
HK (1) HK1026399A1 (en)
RU (1) RU2198793C2 (en)
WO (2) WO1998028142A1 (en)

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DE102009041229A1 (en) 2008-10-07 2010-04-08 Heidelberger Druckmaschinen Ag Anilox inking unit for printing press, has intermediate rollers with rolling axes and rolling segments mounted in cleaning position on rolling axes, where rolling segments are moved towards each other in printing position

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Publication number Publication date
JP2000516169A (en) 2000-12-05
EP0946369A1 (en) 1999-10-06
DE19653404A1 (en) 1998-07-02
EP1010529A3 (en) 2000-07-19
RU2198793C2 (en) 2003-02-20
JP2000506801A (en) 2000-06-06
EP1010529A2 (en) 2000-06-21
EP0946370A1 (en) 1999-10-06
US6129017A (en) 2000-10-10
CN1093470C (en) 2002-10-30
ES2158612T3 (en) 2001-09-01
WO1998028141A1 (en) 1998-07-02
DE29623425U1 (en) 1998-05-20
EP1010529B1 (en) 2002-01-09
EP0946370B1 (en) 2000-05-17
DE59701739D1 (en) 2000-06-21
DE59703698D1 (en) 2001-07-05
CN1084256C (en) 2002-05-08
BR9714158A (en) 2000-04-25
CN1245458A (en) 2000-02-23
DE29623426U1 (en) 1998-05-28
HK1026399A1 (en) 2000-12-15
BR9713609A (en) 2000-04-11
JP3157170B2 (en) 2001-04-16
WO1998028142A1 (en) 1998-07-02
CN1254311A (en) 2000-05-24
ES2147464T3 (en) 2000-09-01
US6398701B1 (en) 2002-06-04
JP3187062B2 (en) 2001-07-11
DE59706145D1 (en) 2002-02-28

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