EP0290853B1 - Bearing for a printing unit cylinder - Google Patents

Bearing for a printing unit cylinder Download PDF

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Publication number
EP0290853B1
EP0290853B1 EP88106631A EP88106631A EP0290853B1 EP 0290853 B1 EP0290853 B1 EP 0290853B1 EP 88106631 A EP88106631 A EP 88106631A EP 88106631 A EP88106631 A EP 88106631A EP 0290853 B1 EP0290853 B1 EP 0290853B1
Authority
EP
European Patent Office
Prior art keywords
printing unit
jaw chuck
unit cylinder
side wall
bearing
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
EP88106631A
Other languages
German (de)
French (fr)
Other versions
EP0290853A2 (en
EP0290853A3 (en
Inventor
Ingo Köbler
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
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0290853A2 publication Critical patent/EP0290853A2/en
Publication of EP0290853A3 publication Critical patent/EP0290853A3/en
Application granted granted Critical
Publication of EP0290853B1 publication Critical patent/EP0290853B1/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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/26—Arrangement of cylinder bearings
    • 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
    • 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
    • Y10T279/00—Chucks or sockets
    • Y10T279/19—Radially reciprocating jaws

Definitions

  • the invention relates to a printing cylinder of a rotary printing press, the axle journal of which is supported by a bearing in or on a printing unit side wall.
  • the bearing according to the invention is present on a printing unit side wall 1, which is partially shown in the drawing.
  • the other printing unit side wall, not shown, can be equipped in the usual way with a conventional bearing.
  • the printing unit side wall 1 shown has an opening 2.
  • a jaw chuck 3 which can be moved in the plane of the printing unit side wall 1 and which can be moved apart and moved together in the direction of the arrows 4, 5 is preferably provided on the inside of the printing unit side wall 1.
  • the jaw chuck 3 detects an eccentric bush 6, which is arranged on a bearing 7, which is seated on a journal 8 of the printing unit cylinder 9.
  • the jaw chuck is adjustable or its movement is limited, so that the position of the printing unit cylinder 9 is also adjustable.
  • Stops 10 are used for this. Preferably serve as stops 10 rotatable eccentrics held directly or indirectly on the printing unit side wall 1. By rotating such eccentrics, the cylinder 9 can thus be brought into a certain position when the jaw chuck 3 is closed, for example in relation to an adjacent printing unit cylinder.
  • the jaw chuck 3 can be approximately L-shaped, the angled arm 15 resting against the stops or the eccentric 10 when the jaw chuck is closed.
  • a mobile auxiliary device 11 For the application of a sleeve 14 to the cylinder 9, a mobile auxiliary device 11 is moved up to the printing unit side wall 1, so that the bracket 13 arranged on the auxiliary device 11 on a cylindrical support 12 detects the journal 8 of the printing unit cylinder 9, i.e. can support.
  • the jaw chuck 3 can be moved apart so that the sleeve 14 arranged on the cylindrical support 12 can be pushed onto the printing unit cylinder 9 through the opening 2 in the printing unit side wall 1.
  • the jaw chuck 3 is then moved together again, again assuming the previously set position in accordance with the position of the stops or of the eccentric 10.
  • the position of the cylinder 9 does not change since the eccentrics 10 have not been changed by the application or removal of a sleeve 14.
  • the sleeve 14 can, for example, be rubber-coated if the printing unit cylinder 9 is a so-called offset cylinder or it can have a metallic surface bearing a printed image if it is a form cylinder.
  • Fig. 2 shows schematically another advantageous possibility of adjusting the cylinder with individual eccentrics
  • the pin 25 is held by means of a multi-part (preferably three-part) jaw chuck consisting of jaws 16, 17, 18.
  • the latter are provided with recesses 19, 20, 21, in each of which an eccentric 22, 23, 24 is rotatably positioned.
  • By specific action on the jaws 19, 20, 21 e.g. by means of pistons and the control of the movable stops can e.g. the pressure cut off directly via the jaw chuck 16, 17, 18.
  • Power pistons also held on the side walls can be used.
  • Jaw chuck or jaws as well as the stops or eccentrics can e.g. can be arranged on the side wall so as to be displaceable or rotatable via dovetail-shaped guides.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)

Description

Die Erfindung betrifft einen Druckzylinder einer Rotationsdruckmaschine, dessen Achszapfen sich über ein Lager in oder an einer Druckwerkseitenwand abstützt.The invention relates to a printing cylinder of a rotary printing press, the axle journal of which is supported by a bearing in or on a printing unit side wall.

Aus der DE-A-33 18 316 ist eine Vorrichtung dieser Art bekannt, bei der das Lager eines Druckwerkzylinders in einem verschiebbar angeordneten Backenfutter gehalten ist, wobei die Halteposition des Backenfutters durch Schrauben einstellbar ist. Verstellbare Anschläge sind nicht vorhanden. Das Aufbringen einer Hülse auf den Druckwerkzylinder ist nicht möglich.From DE-A-33 18 316 a device of this type is known in which the bearing of a printing unit cylinder is held in a displaceably arranged jaw chuck, the holding position of the jaw chuck being adjustable by screws. There are no adjustable stops. It is not possible to apply a sleeve to the printing unit cylinder.

Aus der DE-PS 470 937 ist es bekannt, einen in einer Druckwerkseitenwand angeordneten, das Achszapfenlager stützenden Träger in der Ebene der Druckwerkseitenwand abzusenken, nachdem zuvor von einer die Hülse achsparallel zum Druckwerkzylinder zuführenden Hilfseinrichtung der Achszapfen erfaßt, d.h. abgestützt wurde. Dadurch kann die Hülse durch eine Öffnung in der Druckwerkseitenwand über das Achszapfenlager auf einen Tiefdruckzylinder aufgeschoben werden. Anschließend wird der Träger wieder gegen das Achszapfenlager hochgefahren und die Hilfsvorrichtung entfernt. Es ist allgemein bekannt und auch dieser Vorveröffentlichung zu entnehmen, daß derartige Tiefdruckzylinder nicht verschwenkt werden, d.h. daß sie ortsfest in den beiden Druckwerkseitenwänden gelagert werden können. Sollen beispielsweise Hülsen auf Druckwerkzylinder aufgebracht werden, die zur Anstellung an einen weiteren benachbarten Druckwerkzylinder verstellbar, d.h. üblicherweise exzentrisch gelagert werden müssen, so ist eine sichere Aufbringung mit dieser bekannten Vorrichtung nicht möglich.From DE-PS 470 937 it is known to lower a support arranged in a printing unit side wall and supporting the journal bearing in the plane of the printing unit side wall, after having previously grasped the axle journal by an auxiliary device which supplies the sleeve parallel to the printing unit cylinder, i.e. was supported. As a result, the sleeve can be pushed onto an intaglio cylinder through an opening in the printing unit side wall via the journal bearing. The carrier is then raised again against the journal bearing and the auxiliary device is removed. It is generally known and can also be gathered from this prior publication that gravure cylinders of this type are not pivoted, i.e. that they can be stored stationary in the two printing unit side walls. If, for example, sleeves are to be applied to printing unit cylinders, which are adjustable for engagement with another adjacent printing unit cylinder, i.e. Usually must be stored eccentrically, so a safe application with this known device is not possible.

Aufgabe der Erfindung ist es, die Lagerung eines Druckwerkzylinders so auszubilden, daß auch einstellbare bzw. in einer bestimmten Position zu haltende vorzugsweise exzentrisch gelagerte Zylinder, beispielsweise Form- und/oder Gummi(Offset)zylinder in Hochdruck-, Flexodruck-und Offsetdruckmaschinen mit einer durch eine Öffnung in der Druckwerkseitenwand zu schiebende Hülse ausgestattet werden können, wobei sichergestellt werden soll, daß durch den Aufbringungsvorgang der Abstand des Zylinders zu einem benachbarten Zylinder nicht verändert wird. Diese Aufgabe wird durch die Anwendung der Merkmale des kennzeichnenden Teils des Anspruchs 1 gelöst. Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und aus der Beschreibung in Verbindung mit den beiliegenden Zeichnungen. Diese zeigen:

Fig. 1
die erfindungsgemäße Lagerung eines Druckwerkzylinders und
Fig. 2
eine Einzelexzenterjustierung.
The object of the invention is to design the mounting of a printing unit cylinder so that it is also adjustable or in In a certain position, preferably eccentrically mounted cylinders, for example forme and / or rubber (offset) cylinders in high-pressure, flexographic and offset printing machines, can be equipped with a sleeve to be pushed through an opening in the side wall of the printing unit, it being ensured that the distance between the cylinder and an adjacent cylinder is not changed by the application process. This task is accomplished through the application of the characteristics of the characteristic part of the Claim 1 solved. Further developments of the invention result from the subclaims and from the description in conjunction with the accompanying drawings. These show:
Fig. 1
the storage of a printing unit cylinder according to the invention and
Fig. 2
a single eccentric adjustment.

Es genügt, wenn die erfindungsgemäße Lagerung an einer Druckwerkseitenwand 1, die in der Zeichnung teilweise dargestellt ist, vorhanden ist. Die andere nicht dargestellte Druckwerkseitenwand kann in üblicher Weise mit einem herkömmlichen Lager ausgestattet sein. Die dargestellte Druckwerkseitenwand 1 weist eine Öffnung 2 auf. Vorzugsweise an der Innenseite der Druckwerkseitenwand 1 ist ein in der Ebene der Druckwerkseitenwand 1 verschiebbares Backenfutter 3 vorgesehen, das in Richtung der Pfeile 4, 5 auseinander- und zusammenfahrbar ist. Das Backenfutter 3 erfaßt eine exzentrische Büchse 6, die auf einem Lager 7 angeordnet ist, welches auf einem Achszapfen 8 des Druckwerkzylinders 9 sitzt.It is sufficient if the bearing according to the invention is present on a printing unit side wall 1, which is partially shown in the drawing. The other printing unit side wall, not shown, can be equipped in the usual way with a conventional bearing. The printing unit side wall 1 shown has an opening 2. A jaw chuck 3 which can be moved in the plane of the printing unit side wall 1 and which can be moved apart and moved together in the direction of the arrows 4, 5 is preferably provided on the inside of the printing unit side wall 1. The jaw chuck 3 detects an eccentric bush 6, which is arranged on a bearing 7, which is seated on a journal 8 of the printing unit cylinder 9.

In erfindungsgemäßer Weise ist das Backenfutter einstellbar bzw. seine Bewegung begrenzt, so daß die Position des Druckwerkzylinders 9 ebenfalls einstellbar ist. Hierfür werden Anschläge 10 verwendet. Vorzugsweise dienen als Anschläge 10 verdrehbare an der Druckwerkseitenwand 1 direkt oder indirekt gehaltene Exzenter. Durch Verdrehen derartiger Exzenter kann somit bei zusammengefahrenem Backenfutter 3 der Zylinder 9 in eine bestimmte Position gebracht werden, beispielsweise in Bezug auf einen benachbarten Druckwerkzylinder.In the manner according to the invention, the jaw chuck is adjustable or its movement is limited, so that the position of the printing unit cylinder 9 is also adjustable. Stops 10 are used for this. Preferably serve as stops 10 rotatable eccentrics held directly or indirectly on the printing unit side wall 1. By rotating such eccentrics, the cylinder 9 can thus be brought into a certain position when the jaw chuck 3 is closed, for example in relation to an adjacent printing unit cylinder.

Das Backenfutter 3 kann etwa L-förmig ausgebildet sein, wobei sich der abgewinkelte Arm 15 bei zusammengefahrenem Backenfutter an die Anschläge bzw. den Exzenter 10 anlegt.The jaw chuck 3 can be approximately L-shaped, the angled arm 15 resting against the stops or the eccentric 10 when the jaw chuck is closed.

Für das Aufbringen einer Hülse 14 auf den Zylinder 9 wird eine fahrbare Hilfsvorrichtung 11 an die Druckwerkseitenwand 1 herangefahren, so daß die an der Hilfsvorrichtung 11 an einem zylinderischen Träger 12 angeordnete Halterung 13 den Achszapfen 8 des Druckwerkzylinders 9 zu erfassen, d.h. abzustützen vermag.For the application of a sleeve 14 to the cylinder 9, a mobile auxiliary device 11 is moved up to the printing unit side wall 1, so that the bracket 13 arranged on the auxiliary device 11 on a cylindrical support 12 detects the journal 8 of the printing unit cylinder 9, i.e. can support.

Nunmehr kann das Backenfutter 3 auseinandergefahren werden, so daß die auf dem zylindrischen Träger 12 angeordnete Hülse 14 durch die Öffnung 2 in der Druckwerkseitenwand 1 auf den Druckwerkzylinder 9 aufgeschoben werden kann. Anschließend wird das Backenfutter 3 wieder zusammengefahren, wobei es die zuvor eingestellte Position entsprechend der Lage der Anschläge bzw. des Exzenters 10 wieder einnimmt. Dadurch ändert sich die Position des Zylinders 9 nicht, da die Exzenter 10 durch das Aufbringen oder Abziehen einer Hülse 14 nicht verändert wurden.Now the jaw chuck 3 can be moved apart so that the sleeve 14 arranged on the cylindrical support 12 can be pushed onto the printing unit cylinder 9 through the opening 2 in the printing unit side wall 1. The jaw chuck 3 is then moved together again, again assuming the previously set position in accordance with the position of the stops or of the eccentric 10. As a result, the position of the cylinder 9 does not change since the eccentrics 10 have not been changed by the application or removal of a sleeve 14.

Die Hülse 14 kann beispielsweise gummibeschichtet sein, wenn es sich bei dem Druckwerkzylinder 9 um einen sogenannten Offsetzylinder handelt oder sie kann eine metallische ein Druckbild tragende Oberfläche aufweisen, wenn es sich um einen Formzylinder handelt.The sleeve 14 can, for example, be rubber-coated if the printing unit cylinder 9 is a so-called offset cylinder or it can have a metallic surface bearing a printed image if it is a form cylinder.

Fig. 2 zeigt schematisch eine weitere vorteilhafte Möglichkeit der Justage des Zylinders mit Einzelexzentern, dessen Zapfen 25 mittels eines mehrteiligen (vorzugsweise dreiteilig) Backenfutter bestehend aus Backen 16, 17, 18, gehalten wird. Letztere sind mit Ausnehmungen 19, 20, 21 versehen, in denen jeweils ein Exzenter 22, 23, 24 drehbar positioniert ist. Durch spezifische Beaufschlagung der Backen 19, 20, 21 z.B. mittels Kolben, und der Steuerung der beweglichen Anschläge kann z.B. die Druckabstellung direkt über die Backenfutter 16, 17, 18 erfolgen. Für das Auseinander- und Zusammenfahren der Backenfutter können z.B. ebenfalls an den Seitenwänden gehaltene Kraftkolben verwendet weden. Backenfutter bzw. Backen sowie die Anschläge bzw. Exzenter können z.B. über schwalbenschwanzförmige Führungen verschieb- bzw. verdrehbar an der Seitenwand angeordnet werden.Fig. 2 shows schematically another advantageous possibility of adjusting the cylinder with individual eccentrics, the pin 25 is held by means of a multi-part (preferably three-part) jaw chuck consisting of jaws 16, 17, 18. The latter are provided with recesses 19, 20, 21, in each of which an eccentric 22, 23, 24 is rotatably positioned. By specific action on the jaws 19, 20, 21 e.g. by means of pistons and the control of the movable stops can e.g. the pressure cut off directly via the jaw chuck 16, 17, 18. For moving the jaw chucks apart and together, e.g. Power pistons also held on the side walls can be used. Jaw chuck or jaws as well as the stops or eccentrics can e.g. can be arranged on the side wall so as to be displaceable or rotatable via dovetail-shaped guides.

Claims (6)

  1. Printing unit cylinder (9) in a rotary printing machine, the axle journal (8) of which is supported by means of a bearing (7) in or on a side wall (1) of the printing unit, the bearing (7) being held in a jaw chuck (3) movably disposed on the side wall (1) of the printing unit, characterised in that the holding position of the jaw chuck (3) can be adjusted by means of adjustable stops (10), in that in the side wall (1) of the printing unit there is provided an opening (2) through which a sleeve (14) can be slid onto the printing unit cylinder (9) by means of an auxiliary device (11) when the jaw chuck (3) is opened, the axle journal (8) being supported on a holding means (13) of the auxiliary device.
  2. Printing unit cylinder according to claim 1, characterised in that a rotatable cam is used as a stop (10).
  3. Printing unit cylinder according to claim 1 or 2, characterised in that the jaw chuck (3) is approximately L-shaped, its projecting arm (15) abutting the cam (10) held rotatably on the side wall (1) of the printing unit when the jaw chuck (3) is closed.
  4. Printing unit cylinder according to claim 1, characterised in that the sleeve (14) can be slid from a cylindrical carrier (12) of the auxiliary device (11) onto the printing unit cylinder (9).
  5. Printing unit cylinder according to claim 1 or 4, characterised in that the auxiliary device (11) is mobile.
  6. Printing unit cylinder according to claim 1, characterised in that a multi-part jaw chuck (16, 17, 18) is used to support the cylinder journal (15) and in that a cam (22, 23, 24) is associated with each jaw (16, 17, 18).
EP88106631A 1987-05-09 1988-04-26 Bearing for a printing unit cylinder Expired - Lifetime EP0290853B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3715536 1987-05-09
DE19873715536 DE3715536A1 (en) 1987-05-09 1987-05-09 STORAGE FOR A PRINTING CYLINDER

Publications (3)

Publication Number Publication Date
EP0290853A2 EP0290853A2 (en) 1988-11-17
EP0290853A3 EP0290853A3 (en) 1990-04-04
EP0290853B1 true EP0290853B1 (en) 1992-08-05

Family

ID=6327191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106631A Expired - Lifetime EP0290853B1 (en) 1987-05-09 1988-04-26 Bearing for a printing unit cylinder

Country Status (5)

Country Link
US (1) US4856425A (en)
EP (1) EP0290853B1 (en)
JP (1) JP2719564B2 (en)
CA (1) CA1289814C (en)
DE (2) DE3715536A1 (en)

Families Citing this family (19)

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Publication number Priority date Publication date Assignee Title
DE4010192A1 (en) * 1990-03-30 1991-10-02 Roland Man Druckmasch DEVICE FOR BENDING A ROLLER
DE4036391A1 (en) * 1990-11-15 1992-05-21 Roland Man Druckmasch STORAGE FOR A PRINTING CYLINDER
US5241905A (en) * 1992-10-27 1993-09-07 Heidelberg Harris Inc. Printing unit with releasable bearing clamp
DE4241565A1 (en) * 1992-12-10 1994-06-16 Roland Man Druckmasch Storage for a pressure cylinder equipped with a slide-on sleeve
DE4241566A1 (en) * 1992-12-10 1994-06-16 Roland Man Druckmasch Bearing for rotary press cylinder with sleeve and adjustable supports - allows restricted pivoting of levers to retract rollers from periphery of cylinder for fitting or removal of sleeve
EP0652104B1 (en) * 1993-11-05 2002-04-10 MAN Roland Druckmaschinen AG Printing unit for waterless offset printing
DE9316932U1 (en) * 1993-11-05 1993-12-16 Man Roland Druckmaschinen Ag, 63069 Offenbach Printing unit for waterless offset printing
DE4415340C2 (en) * 1994-05-02 1996-03-14 Roland Man Druckmasch Printing unit cylinder of a web-fed rotary printing press
US6644184B1 (en) 1995-02-09 2003-11-11 Man Roland Druckmaschinen Ag Offset printing machine
DE4430693B4 (en) 1994-08-30 2005-12-22 Man Roland Druckmaschinen Ag Drives for a web-fed rotary offset printing machine
DE4432817A1 (en) * 1994-09-15 1996-03-21 Roland Man Druckmasch Shaping cylinder for rotation printing machine
DE19521827A1 (en) * 1995-06-16 1996-12-19 Roland Man Druckmasch Printing press direct drive
DE19534651A1 (en) * 1995-09-19 1997-03-20 Roland Man Druckmasch Printing unit for indirect printing
DE19537278C2 (en) * 1995-10-06 2001-04-12 Roland Man Druckmasch Bearing bracket for a printing cylinder
DK0769373T3 (en) * 1995-10-18 1999-09-13 Fischer & Krecke Gmbh & Co Device for replacing pressure cylinder caps in printing machines
US5687647A (en) * 1996-04-26 1997-11-18 Heidelberger Druckmaschinen Ag Plate cylinder with fixed tensioning plate mounting device
US5816154A (en) * 1997-05-09 1998-10-06 Bryce International, L.L.C. Print cylinder support for axial removal of a cylindrical sleeve
US6386103B1 (en) * 1999-10-22 2002-05-14 Heidelberger Druckmaschinen Ag Blanket tube removal device
US6526885B2 (en) * 2001-06-28 2003-03-04 Heidelberger Druckmaschinen Ag Support device for a printing sleeve

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Also Published As

Publication number Publication date
EP0290853A2 (en) 1988-11-17
EP0290853A3 (en) 1990-04-04
DE3715536A1 (en) 1988-12-01
CA1289814C (en) 1991-10-01
US4856425A (en) 1989-08-15
DE3715536C2 (en) 1989-02-23
JPS63283951A (en) 1988-11-21
JP2719564B2 (en) 1998-02-25
DE3873404D1 (en) 1992-09-10

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