EP0279394B1 - Retaining device for mounting a sleeve on a cylinder - Google Patents

Retaining device for mounting a sleeve on a cylinder Download PDF

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Publication number
EP0279394B1
EP0279394B1 EP88102168A EP88102168A EP0279394B1 EP 0279394 B1 EP0279394 B1 EP 0279394B1 EP 88102168 A EP88102168 A EP 88102168A EP 88102168 A EP88102168 A EP 88102168A EP 0279394 B1 EP0279394 B1 EP 0279394B1
Authority
EP
European Patent Office
Prior art keywords
side wall
cylinder
sleeve
holding device
printing unit
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
EP88102168A
Other languages
German (de)
French (fr)
Other versions
EP0279394A2 (en
EP0279394A3 (en
Inventor
Peter Knauer
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6321425&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0279394(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Priority to DE8817227U priority Critical patent/DE8817227U1/en
Publication of EP0279394A2 publication Critical patent/EP0279394A2/en
Publication of EP0279394A3 publication Critical patent/EP0279394A3/en
Application granted granted Critical
Publication of EP0279394B1 publication Critical patent/EP0279394B1/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
    • B41F27/10—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders
    • B41F27/105—Devices for attaching printing elements or formes to supports for attaching non-deformable curved printing formes to forme cylinders for attaching cylindrical printing formes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2227/00—Mounting or handling printing plates; Forming printing surfaces in situ
    • B41P2227/20—Means enabling or facilitating exchange of tubular printing or impression members, e.g. printing sleeves, blankets
    • B41P2227/21—Means facilitating exchange of sleeves mounted on cylinders without removing the cylinder from the press

Definitions

  • the invention relates to a holding device for applying a sleeve to a cylinder, in particular a printing plate or rubber-coated sleeve, which can be pushed onto the cylinder through an opening in a printing unit side wall, which releases the cylinder from the side wall bearing before releasing the journal stored in this printing unit side wall supports.
  • Such a device is known from DE-PS 470 937 for a rotogravure printing machine.
  • a carrier arranged in the one printing unit side wall and comprising the journal bearing is lowered in the plane of the printing unit side wall after the cylinders have previously been gripped by an auxiliary device which supplies the sleeve parallel to the printing unit cylinder, i.e. was supported.
  • This allows the sleeve to be pushed onto the gravure cylinder via the journal bearing.
  • the carrier is then raised again against the journal bearing and the auxiliary device is removed.
  • the support of the cylinder is problematic in this known device, since it must be done either by an auxiliary device that can be moved up to the cylinder or on the outer wall by an auxiliary device that can be moved up.
  • a cylinder 3 is mounted between a right and a left side wall 1, 2 of a printing press, preferably an offset web-fed rotary printing press, the pins of which are conventionally mounted in a printing unit side wall 1, 2.
  • a pin here the pin 5 protrudes through one side wall, here the side wall 2, and preferably into the gear box 9 arranged on the outside of this printing unit side wall 2, in which the printing unit drive including the drive gear 8 for the printing unit cylinder 3 are arranged in the usual way.
  • the other printing unit side wall, here the printing unit side wall 1 has openings 6, 7 which is larger than the diameter of the cylinder 3, so that after removal of a bearing from this printing unit side wall 1, the sleeve 12 to be applied can be pushed on.
  • the holding device according to the invention for the application process of the sleeve 12 through the openings 6, 7 in the printing unit side wall 1 essentially consists of an auxiliary shaft 10 which is arranged in the gearbox 9 and runs approximately transversely to the pin 5 and extends on both sides into the vertical walls of the gear box 9 is mounted.
  • the auxiliary shaft 10 preferably has a recess or recess 11 in the middle, which run all around and can have an approximately trapezoidal cross section. With this recess 11, the auxiliary shaft 10 is placed on the pin 5 before the bearing of the pin 4 in the other printing unit side wall 1 is removed so that the sleeve 12 can be pushed on.
  • the auxiliary shaft 10 can be rotated by means of a square 17 on an axle journal, so that it first sits on the journal 5 and this vertically adjusted so that the desired position of the cylinder 3 is reached.
  • the setting can e.g. can be specified by an adjustable stop 15.
  • the auxiliary shaft 10 On the other side of the gear box 9, i.e. On the left side as shown in FIG. 2, the auxiliary shaft 10 has a thread on which on both sides of the side wall of the gear box 9 for the horizontal adjustment of the auxiliary shaft 10 adjusting nuts 13, 14 are arranged, which have a corresponding left / right shift as shown 2, whereby the cylinder 3 can be adjusted or fixed in this direction.
  • the cylinder 3 between the side walls 1, 2 can thus be brought into a defined position or held there, so that the problem-free application of a sleeve 12 through the opening 6 in the printing unit side wall 1 can be made.
  • a corresponding bearing (not shown here) is again used on the journal 4 in the printing unit side wall 1, after which the auxiliary shaft 10 can be slightly lifted from the journal 5 by rotating the square 17, so that the cylinder 3 or the journal 5 is freely rotatable again.

Landscapes

  • Rotary Presses (AREA)
  • Printing Plates And Materials Therefor (AREA)

Description

Die Erfindung betrifft eine Haltevorrichtung für das Aufbringen einer Hülse auf einen Zylinder, insbesondere einer als Druckform dienenden oder gummibeschichteten Hülse, welche durch eine Öffnung in einer Druckwerkseitenwand auf den Zylinder aufschiebbar ist, die vor Freigabe des in dieser Druckwerkseitenwand gelagerten Achszapfen aus dem Seitenwandlager den Zylinder abstützt.The invention relates to a holding device for applying a sleeve to a cylinder, in particular a printing plate or rubber-coated sleeve, which can be pushed onto the cylinder through an opening in a printing unit side wall, which releases the cylinder from the side wall bearing before releasing the journal stored in this printing unit side wall supports.

Eine derartige Vorrichtung ist aus der DE-PS 470 937 für eine Rotations-Tiefdruckmaschine bekannt. Dort wird ein in der einen Druckwerkseitenwand angeordneter, das Achszapfenlager umfassender Träger in der Ebene der Druckwerkseitenwand abgesenkt, nachdem zuvor von einer die Hülse achsparallel zum Druckwerkzylinder zuführenden Hilfseinrichtung der Zylinder erfaßt, d.h. abgestützt wurde. Dadurch kann die Hülse über das Achszapfenlager auf den Tiefdruckzylinder aufgeschoben werden. Anschließend wird der Träger wieder gegen das Achszapfenlager hochgefahren und die Hilfsvorrichtung entfernt. Die Abstützung des Zylinders ist bei dieser bekannten Vorrichtung problematisch, da sie entweder durch eine an den Zylinder heranfahrbare Hilfsvorrichtung oder an der Außenwand durch eine heranfahrbare Hilfsvorrichtung erfolgen muß. Hiervon ausgehend ist es Aufgabe der vorliegenden Erfindung, eine einfache Haltevorrichtung zur einseitigen Abstützung eines feinfühlig justierbaren Zylinders aufzuzeigen, die mit geringem Platzbedarf an einer Maschinenseitenwand angeordnet werden kann. Diese Aufgabe wird durch die Anwendung der Merkmale des kennzeichnenden Teils gelöst. Weiterbildungen ergeben sich aus den Unteransprüchen sowie aus der Beschreibung in Verbindung mit den Zeichnungen.Such a device is known from DE-PS 470 937 for a rotogravure printing machine. There, a carrier arranged in the one printing unit side wall and comprising the journal bearing is lowered in the plane of the printing unit side wall after the cylinders have previously been gripped by an auxiliary device which supplies the sleeve parallel to the printing unit cylinder, i.e. was supported. This allows the sleeve to be pushed onto the gravure cylinder via the journal bearing. The carrier is then raised again against the journal bearing and the auxiliary device is removed. The support of the cylinder is problematic in this known device, since it must be done either by an auxiliary device that can be moved up to the cylinder or on the outer wall by an auxiliary device that can be moved up. Based on this, it is an object of the present invention to provide a simple holding device for one-sided support of a sensitively adjustable cylinder, which can be arranged on a machine side wall with a small space requirement. This object is achieved by applying the features of the characterizing part. Further developments result from the subclaims and from the description in conjunction with the drawings.

Aus der EP-A 0 184 180 und der FR-A 2 353 395 ist es zwar bereits bekannt an einem über die eine Seitenwand hinausgehenden Zapfen eine Hilfseinrichtung anzusetzen, z.B. in Form eines Kolbens, jedoch ist damit eine feinfühlige Justage des Zapfens und somit des zugehörigen Zylinders nicht möglich.From EP-A 0 184 180 and FR-A 2 353 395 it is already known to attach an auxiliary device, for example in the form of a piston, to a spigot extending beyond one side wall a sensitive adjustment of the pin and thus of the associated cylinder is therefore not possible.

Es zeigen:

Fig. 1
Einen Längsschnitt durch einen Druckwerkzylinder, auf den eine Hülse durch eine Öffnung in einer Druckwerkseitenwand aufgeschoben werden soll, mit der erfindungsgemäßen Halteeinrichtung,
Fig. 2
die erfindungsgemäße Halteeinrichtung an der Außenseite einer Druckwerkseitenwand und
Fig. 3
eine Draufsicht auf die Außenseite der anderen Druckseitenwand.
Show it:
Fig. 1
A longitudinal section through a printing unit cylinder, onto which a sleeve is to be pushed through an opening in a printing unit side wall, with the holding device according to the invention,
Fig. 2
the holding device according to the invention on the outside of a printing unit side wall and
Fig. 3
a plan view of the outside of the other pressure side wall.

Gemäß Fig. 1 ist zwischen einer rechten und einer linken Seitenwand 1, 2 einer Druckmaschine, vorzugsweise einer Offset-Rollenrotationsdruckmaschine, ein Zylinder 3 gelagert, dessen Zapfen in herkömmlicher Weise in einer Druckwerkseitenwand 1, 2 gelagert sind. Gemäß der Erfindung ragt ein Zapfen, hier der Zapfen 5 durch die eine Seitenwand, hier die Seitenwand 2 hindurch, und zwar vorzugsweise in den an dieser Druckwerkseitenwand 2 an der Außenseite angeordneten Getriebekasten 9 hinein, in dem der Druckwerksantrieb einschließlich des Antriebszahnrades 8 für den Druckwerkzylinder 3 in üblicher Weise angeordnet sind. Die andere Druckwerkseitenwand, hier die Druckwerkseitenwand 1 weist Öffnungen 6, 7 auf, die größer als der Durchmesser des Zylinders 3 ist, so daß nach Entfernung einer Lagerung aus dieser Druckwerkseitenwand 1 die aufzubringende Hülse 12 aufgeschoben werden kann.1, a cylinder 3 is mounted between a right and a left side wall 1, 2 of a printing press, preferably an offset web-fed rotary printing press, the pins of which are conventionally mounted in a printing unit side wall 1, 2. According to the invention, a pin, here the pin 5 protrudes through one side wall, here the side wall 2, and preferably into the gear box 9 arranged on the outside of this printing unit side wall 2, in which the printing unit drive including the drive gear 8 for the printing unit cylinder 3 are arranged in the usual way. The other printing unit side wall, here the printing unit side wall 1, has openings 6, 7 which is larger than the diameter of the cylinder 3, so that after removal of a bearing from this printing unit side wall 1, the sleeve 12 to be applied can be pushed on.

Wie Fig. 1 und 2 erkennen lassen, besteht die erfindungsgemäße Halteeinrichtung für den Aufbringvorgang der Hülse 12 durch die Öffnungen 6, 7 in der Druckwerkseitenwand 1 im wesentlichen aus einer im Getriebekasten 9 angeordneten etwa quer zum Zapfen 5 verlaufenden Hilfswelle 10, die beidseitig in den senkrechten Wänden des Getriebekastens 9 gelagert ist. Vorzugsweise in der Mitte weist die Hilfswelle 10 eine Ausnehmung bzw. Eindrehung 11 auf, die ringsum verlaufen und etwa trapezförmigen Querschnitt aufweisen kann. Mit dieser Eindrehung 11 wird die Hilfswelle 10 auf den Zapfen 5 aufgesetzt, bevor die Lagerung des Zapfens 4 in der anderen Druckwerkseitenwand 1 entfernt wird, um die Hülse 12 aufschieben zu können.As can be seen in FIGS. 1 and 2, the holding device according to the invention for the application process of the sleeve 12 through the openings 6, 7 in the printing unit side wall 1 essentially consists of an auxiliary shaft 10 which is arranged in the gearbox 9 and runs approximately transversely to the pin 5 and extends on both sides into the vertical walls of the gear box 9 is mounted. The auxiliary shaft 10 preferably has a recess or recess 11 in the middle, which run all around and can have an approximately trapezoidal cross section. With this recess 11, the auxiliary shaft 10 is placed on the pin 5 before the bearing of the pin 4 in the other printing unit side wall 1 is removed so that the sleeve 12 can be pushed on.

Beispielsweise kann durch eine exzentrische Lagerung der Hilfswelle 10 in den Seitenwänden des Getriebekastens 9, wie bei 16 angedeutet wurde, mittels eines Vierkantes 17 an einen Achszapfen die Hilfswelle 10 gedreht werden, so daß sie sich zum einen zunächst auf den Zapfen 5 aufsetzt und diesen vertikal so justiert, daß die gewünschte Lage des Zylinders 3 erreicht wird. Die Einstellung kann z.B. durch einen verstellbaren Anschlag 15 vorgegeben werden. An der anderen Seite des Getriebekastens 9, d.h. an der linken Seite gemäß der Darstellung nach Fig. 2 weist die Hilfswelle 10 ein Gewinde auf, auf das beidseitig der Seitenwand des Getriebekastens 9 für die horizontale Einstellung der Hilfswelle 10 Stellmuttern 13, 14 angeordnet werden, die eine entsprechende Links/Rechtsverschiebung gemäß der Darstellung nach Fig. 2 ermöglichen, wodurch der Zylinder 3 in dieser Richtung justier- bzw. fixierbar ist.For example, by an eccentric mounting of the auxiliary shaft 10 in the side walls of the gearbox 9, as indicated at 16, the auxiliary shaft 10 can be rotated by means of a square 17 on an axle journal, so that it first sits on the journal 5 and this vertically adjusted so that the desired position of the cylinder 3 is reached. The setting can e.g. can be specified by an adjustable stop 15. On the other side of the gear box 9, i.e. On the left side as shown in FIG. 2, the auxiliary shaft 10 has a thread on which on both sides of the side wall of the gear box 9 for the horizontal adjustment of the auxiliary shaft 10 adjusting nuts 13, 14 are arranged, which have a corresponding left / right shift as shown 2, whereby the cylinder 3 can be adjusted or fixed in this direction.

Mittels der exzentrischen Lagerung der Hilfswelle 10 und den Stellmuttern 13, 14 kann somit der Zylinder 3 zwischen den Seitenwänden 1, 2 in eine definierte Lage gebracht bzw. dort gehalten werden, so daß die problemlose Aufbringung einer Hülse 12 durch die Öffnung 6 in der Druckwerkseitenwand 1 vorgenommen werden kann. Nach erfolgter Aufbringung der Hülse 12 auf den Druckwerkzylinder 3 wird wieder ein entsprechendes hier nicht dargestelltes Lager auf den Achszapfen 4 in die Druckwerkseitenwand 1 eingesetzt, wonach durch Drehung am Vierkant 17 die Hilfswelle 10 geringfügig vom Zapfen 5 abgehoben werden kann, so daß der Zylinder 3 bzw. der Achszapfen 5 wieder frei drehbar ist.By means of the eccentric mounting of the auxiliary shaft 10 and the adjusting nuts 13, 14, the cylinder 3 between the side walls 1, 2 can thus be brought into a defined position or held there, so that the problem-free application of a sleeve 12 through the opening 6 in the printing unit side wall 1 can be made. After the sleeve 12 has been applied to the printing unit cylinder 3, a corresponding bearing (not shown here) is again used on the journal 4 in the printing unit side wall 1, after which the auxiliary shaft 10 can be slightly lifted from the journal 5 by rotating the square 17, so that the cylinder 3 or the journal 5 is freely rotatable again.

Claims (3)

  1. Holding device for applying a sleeve (12) to a cylinder (3), in particular a sleeve (12) used as a printing forme, or a rubber-coated sleeve (12), which can be pushed onto the cylinder (3) through an aperture (6) in a printing unit side wall (1), which device supports the cylinder (3) before release of the axle journal (4), mounted in this printing unit side wall (1), from the side wall bearing, characterised in that an auxiliary holding device (10) can be applied to the axle journal (5), mounted in the other side wall (2) and projecting beyond it, at a distance from this side wall (2) so that the cylinder (3) is held freely via this side wall (2) and in that the auxiliary holding device (10) comprises an auxiliary shaft arranged above the extended axle journal (5) approximately transversely to it, the shaft being provided approximately in the middle with a recess (11) which comes to rest on the axle journal (5).
  2. Holding device according to claim 1, characterised in that the auxiliary shaft (10) is mounted eccentrically (16) and in that the cylinder (3) can be adjusted by rotation of the shaft.
  3. Holding device according to one of the preceding claims, characterised in that the auxiliary shaft (10) is mounted in a side wall of a gear box (9) and has a thread on one axle journal on which nuts (13, 14) are arranged on both sides of the gear box (9) for the axial adjustment of the auxiliary shaft (10) for the purpose of adjusting the cylinder (3).
EP88102168A 1987-02-20 1988-02-15 Retaining device for mounting a sleeve on a cylinder Expired - Lifetime EP0279394B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8817227U DE8817227U1 (en) 1987-02-20 1988-02-15 Holding device for applying a sleeve to a cylinder

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3705477A DE3705477C1 (en) 1987-02-20 1987-02-20 Holding device for applying a sleeve to a cylinder
DE3705477 1987-02-20

Publications (3)

Publication Number Publication Date
EP0279394A2 EP0279394A2 (en) 1988-08-24
EP0279394A3 EP0279394A3 (en) 1989-12-20
EP0279394B1 true EP0279394B1 (en) 1992-12-02

Family

ID=6321425

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88102168A Expired - Lifetime EP0279394B1 (en) 1987-02-20 1988-02-15 Retaining device for mounting a sleeve on a cylinder

Country Status (5)

Country Link
US (2) US4807527A (en)
EP (1) EP0279394B1 (en)
JP (1) JP2726051B2 (en)
CA (1) CA1279177C (en)
DE (2) DE3705477C1 (en)

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Also Published As

Publication number Publication date
CA1279177C (en) 1991-01-22
US4807527A (en) 1989-02-28
JP2726051B2 (en) 1998-03-11
DE3705477C1 (en) 1988-05-26
JPS63207648A (en) 1988-08-29
EP0279394A2 (en) 1988-08-24
USRE33944E (en) 1992-06-02
DE3876261D1 (en) 1993-01-14
EP0279394A3 (en) 1989-12-20

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