EP1932667A1 - Unité d'impression pour une presse rotative à format variable - Google Patents

Unité d'impression pour une presse rotative à format variable Download PDF

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Publication number
EP1932667A1
EP1932667A1 EP06405520A EP06405520A EP1932667A1 EP 1932667 A1 EP1932667 A1 EP 1932667A1 EP 06405520 A EP06405520 A EP 06405520A EP 06405520 A EP06405520 A EP 06405520A EP 1932667 A1 EP1932667 A1 EP 1932667A1
Authority
EP
European Patent Office
Prior art keywords
printing unit
cylinder
frame
unit according
blanket cylinder
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.)
Withdrawn
Application number
EP06405520A
Other languages
German (de)
English (en)
Inventor
Peter Merkli
Roland Kollmar
Wolfgang Ruoff
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.)
Mueller Martini Holding AG
Original Assignee
Mueller Martini Holding 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 Mueller Martini Holding AG filed Critical Mueller Martini Holding AG
Priority to EP06405520A priority Critical patent/EP1932667A1/fr
Publication of EP1932667A1 publication Critical patent/EP1932667A1/fr
Withdrawn legal-status Critical Current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
    • B41F13/44—Arrangements to accommodate interchangeable cylinders of different sizes to enable machine to print on areas of different sizes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/10—Printing machines of special types or for particular purposes characterised by their constructional features
    • B41P2217/11—Machines with modular units, i.e. with units exchangeable as a whole

Definitions

  • the invention relates to a printing unit of a variable-format web press, with a machine frame, an inking unit, which is associated with a plate cylinder and cooperating with the latter during printing blanket cylinder, wherein for a format change at least the center distance between the plate cylinder and blanket cylinder is adjustable and lockable.
  • Print works that enable a format change have long been known.
  • the plate cylinder and the blanket cylinder are mounted in a printing insert.
  • the impression cylinder can also be stored. This usually has the same extent as the plate cylinder and the blanket cylinder.
  • the shows DE 478 254 a rotary printing machine for changing formats, in which the blanket cylinder and the plate cylinder are interchangeable.
  • the impression cylinder is fixedly mounted on a main frame, while the bearings of the plate cylinder and the blanket cylinder are slidably mounted in scenes.
  • the inking unit is mounted in a pivotable frame, so that the applicator rollers can be brought opposite the plate cylinder in a position which corresponds to the format of the plate cylinder.
  • the sleeves can be made as a composite material of various plastics or of steel and aluminum components.
  • the advantage of such printing units is that the different printing sleeves, which are each required for a new printing length, stored space-saving and can be changed easily.
  • They are cheaper to manufacture than complete cylinders.
  • the sleeves are usually widened inside when mounting, so that they can be pushed over an axis. For this purpose, an elastic layer is required, which, however, can lead to printing problems. Due to high line forces in offset printing, the pressure sleeve can escape from the concentric position to the recording axis.
  • the EP-A-1 101 611 a printing unit has become known in which the plate cylinder are mounted fixed to the machine frame and the blanket cylinder and the plate cylinder adjustable and replaceable.
  • the proposed storage can However, record only limited vibration, for example, due to channel strikes and lateral triturations. Due to the vibrations occurring minimal shifts of the cylinder to each other, which can then lead to deviations in the pressure.
  • the DE-A-199 37 796 A discloses a printing unit in which the printing cylinders are guided linearly. Even such a guide allows a limited damping, so that even here existing vibrations can cause minimal shifts of the cylinder to each other.
  • the invention has for its object to provide a printing unit of the type mentioned that even with occurring suggestions, in particular by lateral trituration, channel passages of rubber blanket and plate in the printing process enables more stable conditions.
  • the object is achieved in a generic printing unit in that the blanket cylinder is mounted substantially stationary in the machine frame.
  • the axis spacing is adjusted by adjusting the plate cylinder on the machine frame in a format change.
  • the stationary storage of the blanket cylinder in the machine frame allows a very stable structure. Vibrations can be absorbed much more effectively than on swing arms known printing units.
  • the sum of the adjustment of the axes for a particular format range is smaller for a fixed blanket cylinder than in embodiments in which the axis of the plate cylinder or the impression cylinder are fixed.
  • the at least approximately stationary storage the blanket cylinder allows for the same format variations the shortest adjustment, lower position changes of the paper web and thus a particularly stable construction.
  • the machine frame of the printing unit is formed by a Gestelloberteil and a frame base and the blanket cylinder to one of these frame parts substantially stationary and the plate cylinder is mounted on the other frame part.
  • the plate cylinder is mounted relative to the attached to the frame base blanket cylinder on the frame top.
  • This allows a relatively stationary and thus particularly stable storage of the plate cylinder on side plates of the frame top part.
  • By moving the Gestelloberteils the center distance between the blanket cylinder and the plate cylinder can be easily and accurately adjusted.
  • the subdivision of the machine frame in a frame base and an adjustable mounted on this frame top has the advantage that even with a format change a simple and quick adjustment of the axial distance is possible when the blanket cylinder and the plate cylinder are mounted on side plates of the machine frame.
  • the blanket cylinder may be substantially stationary on the frame upper part and the plate cylinder may be mounted on the frame lower part, whereby nothing changes fundamentally on the principle according to the invention.
  • one of the frame parts relative to the other frame part is adjustable, preferably in the vertical direction.
  • the frame top is arranged adjustable and lockable on the frame base.
  • the frame base is designed as a substructure of the machine frame.
  • the lower frame part can alternatively be adjustable and lockable on the frame upper part, to which end the upper part of the frame expediently has a base that promotes stability.
  • a special design can be achieved if, according to a development of the invention, the plate cylinder are mounted on side plates of the upper part and the blanket cylinder on side plates of the substructure.
  • a bearing of the plate cylinder and / or the blanket cylinder on a service side of the machine frame detachably fastened lid is or are.
  • the lids are stored here in particular in openings of side plates and can be locked. After loosening the cover, the corresponding bearing can be made accessible on the operating side and thus the corresponding cylinder or a removable sleeve can be removed.
  • the Gestelloberteil for adjusting respectively. Adjusting the axial distance between the plate cylinder and the blanket cylinder on the frame lower part designed to be displaceable and lockable.
  • the frame upper part is displaceable substantially vertically to the frame base or obliquely to the horizontal, guided.
  • the frame top is pivotally mounted on the base.
  • the substructure rolling bearings or sliding bearings can be used.
  • the frame top part is moved.
  • Substructures are moved.
  • the plate cylinder is substantially stationary in the frame upper part of the machine frame stored.
  • the adjustment of the axial distance between the plate cylinder and the blanket cylinder in the case of a format change is carried out by an adjustment of the Gestelloberteils the frame base respectively. Substructure.
  • the object may alternatively be achieved in that the blanket cylinder is mounted substantially fixed in a frame top of the machine frame, which is relative to a frame base, respectively.
  • Substructure of the machine frame is adjustable. Even after this solution, the blanket cylinder and the plate cylinder can be stored firmly on the machine frame, so that there is a very stable structure. With a format change, the center distance between the affected cylinders can be easily and quickly adjusted by adjusting the frame top.
  • a particularly stable construction results when, according to an embodiment of the invention, the plate cylinder is mounted substantially stationary in the frame base. Both essential for the print quality cylinder can be stored on side plates of the machine frame.
  • the inking unit is mounted in the frame base. This has the advantage that the frame top can be built relatively small and stable and stored on the frame base.
  • the blanket cylinder and / or the plate cylinder in each case at one Lid are mounted, which is removably attached to the machine frame on the operating side.
  • FIGS. 1a and 1b show a printing unit 1, which has for printing an indicated here by 40 paper web, an inking unit 10, a plate cylinder 16, a blanket cylinder 17 and a counter-pressure cylinder 18.
  • the paper web 40 is printed on the upper side between the blanket cylinder 17 and the impression cylinder 18 by the former.
  • the inking unit 10 may be formed as usual and has for inking the plate cylinder 16, a plurality of ink rollers 27, which transport the ink from an ink fountain 28 to the plate cylinder 16.
  • the ink rollers 27 are known to consist of adjustable application rollers and fixed distributor rollers.
  • the inking unit 10 is attached to a Gestelloberteil 9, which has two spaced-apart side plates 36. At these side plates 36 of the plate cylinder 16 is mounted, which is inked by the inking unit 10 and in a conventional manner not shown printing plates, in particular offset printing plates has.
  • a cover 29 which is releasably inserted into an opening 33 of the side shield 36 visible here. In this cover 29 is a bearing for the plate cylinder 16. Is the lid 29 detached from the side plate 36, this camp is accessible and allows replacement of the plate cylinder 16 or alternatively the replacement of a sleeve which is arranged on the plate cylinder 16 and which can be exchanged for a format change.
  • the lid 29 is firmly connected to the side plate 36 again.
  • the replaced plate cylinder is for example the in FIG. 1b shown plate cylinder 16 ', which has a much smaller circumference or diameter than that in FIG. 1a
  • the plate cylinder 16 and also the exchanged plate cylinder 16 ' are preferably fixedly connected to the side plates 36. Under a fixed connection also becomes a Compound understood in which the plate cylinder 16 and 16 'stored in eccentric bushings and thus in a relatively small range is adjustable.
  • the blanket cylinder 17 is fixed to side plates 37 of a frame base 6 respectively. Substructure stored.
  • the blanket cylinder 17 is also the operating side of the printing unit 1 mounted on a cover 30 which is releasably inserted into an opening 34 of the side plate 37.
  • the blanket cylinder 17 is replaced, since both cylinders have the same circumference.
  • the blanket cylinder 17 it is possible that only a sleeve or the like is replaced.
  • the in FIG. 1a shown blanket cylinder 17 is, for example, by the in FIG. 1b shown blanket cylinder 17 'replaced. Even the blanket cylinder 17 can under a stationary storage and storage in eccentric bushes or the like are understood. Under a blanket cylinder 17 is thus understood a cylinder in which the blanket is firmly attached or exchangeable as a sleeve or the like.
  • the frame top 9 is vertically displaceable on the frame base 6, respectively.
  • Substructure attached.
  • a sliding guide 19 is provided, for example, on the frame base 6 respectively.
  • Substructure has two or more guide profiles 26.
  • the Gestelloberteil 9 is arranged according to a comparatively large format in an upper position.
  • the frame top 9 is vertically and linearly down in the in FIG. 1b lowered position shown.
  • the inking unit 10, which is fixed in the frame top 9, is also offset down and adapted to the format of the plate cylinder 16 '.
  • the impression cylinder 18 is adjustable in the frame base 6 respectively. Substructure stored. It is mounted so that it is adjustable about a pivot axis 41 upwards or downwards. After installation of the plate cylinder 16 'and the blanket cylinder 17', the impression cylinder 18 of the in FIG. 1a shown position in the FIG. 1b shown position moves upwards.
  • FIGS. 2a and 2b show a printing unit 2, which also has an inking unit 10, a plate cylinder 22, a blanket cylinder 23 and an impression cylinder 24 has.
  • the plate cylinder 22 is fixed to a frame top 8 and the blanket cylinder 23 fixed to a frame base 5 respectively. Substructure stored. Also in the printing unit 2 of the above-mentioned exchange against a plate cylinder 22 'and a blanket cylinder 23' is possible.
  • the frame top 8 is adjustable in this case. However, the adjustment is a pivoting movement about a pivot axis 25 which is arranged at a distance from the plate cylinder 22 and the blanket cylinder 23. Again, a stepless adjustment of the axial distance is possible.
  • the frame top 8 is fixed to the frame base 5 respectively.
  • the impression cylinder 24 is adjustable in this embodiment and can thus be adapted to the format of the blanket cylinder 23. It is essential here, too, the stationary storage of the blanket cylinder 23 to the frame base 5, respectively. Substructure.
  • FIGS. 3a and 3b show a printing unit 3, which has an inking unit 10, a plate cylinder 11, a blanket cylinder 12 and a counter-pressure cylinder 13.
  • the inking unit 10 is attached to a Gestelloberteil 7, which has two bearing plates 43, of which only the service side is visible here.
  • This has an opening 35 into which a lid 15 is detachably inserted, which receives a bearing for the plate cylinder 11.
  • the plate cylinder 11 exchanged or a sleeve can be replaced.
  • the plate cylinder 11 is thus also stored firmly in the frame top 7 in this case.
  • the storage takes place at the two plates 43.
  • the axis A1 is also at the in FIG. 3b exchanged plate cylinder 11 'with respect to the Gestelloberteils 7 in the same place.
  • the blanket cylinder 12 is connected via two arms 42, of which only one is shown here, firmly connected to a substructure 4. Also this blanket cylinder 12 can be replaced after loosening the lid 15 against another blanket cylinder 12 '.
  • the frame top part 7 can be locked on the base 4 via a linear and inclined to the horizontal linear guide 14. In the case of a format change, the frame top part 7 can thus be displaced linearly, for example from the in FIG. 3a shown position in the FIG. 3b shown position. In the respective position of the frame upper part 7 with the frame base 6, respectively. Base firmly connected, for example, be locked with this.
  • Substructure Of course, a movement in the other direction is possible if converted to a larger format.
  • the impression cylinder 13 is mounted for adjusting the axial distance between the axis A2 of the blanket cylinder 12 and the axis A3 of the impression cylinder 13 to pivot arms 21 so that it is pivotable about an axis 20.
  • FIGS. 5a and 5b show a printing unit 50 according to another variant, which is also provided for a variable-size web press and which has an impression cylinder 54, a blanket cylinder 55 and a plate cylinder 56 and an inking unit 57.
  • the transported paper web 40 is also printed here between the blanket cylinder 55 and the impression cylinder 54.
  • the paper web 40 is printed on its underside and not on the upper side.
  • the ink is taken from a paint box 58, which is attached underneath the plate cylinder 56 -assigned in turn.
  • the inking unit 57 basically works like the above-mentioned inking unit 10.
  • the plate cylinder 56 is fixed in a frame base respectively.
  • Base 51 of the machine frame stored.
  • This also has according to FIG. 4 here unspecified side plates to which the plate cylinder 56 is mounted firmly.
  • the substructure 51 can be placed firmly on a building floor 61 be and is with the side plates preferably made of one part and thus very stable.
  • a removable cover 60 is arranged on the base 51, which can be removed during a format change to change the plate cylinder 56.
  • FIG. 4 directed.
  • the replacement of the blanket cylinder 55 is also carried out here by releasing a cover 59, which is preferably arranged on the operating side of the frame top 52.
  • the blanket cylinder 55 may be formed so that it is completely interchangeable or that alternatively only a patch sleeve is replaced.
  • FIG. 5b shows the printing unit 50 with a replaced blanket cylinder 55 'and a replaced plate cylinder 56 '.
  • the center distance between the blanket cylinder 55 'and the plate cylinder 56' is as shown smaller than the distance between the blanket cylinder 55 and the plate cylinder 56.
  • the center distance is adjusted by the Gestelloberteil 52 of the in FIG. 5a shown upper position in the in FIG. 5b shown lower position is moved vertically downwards.
  • the impression cylinder 54 has been pivoted to an unspecified pivot arm down, so that between this and the replaced blanket cylinder 55 ', the paper web 40 can be printed.
  • the adaptation of the inking unit 57 to the replaced plate cylinder 56 takes place in a conventional manner.
  • a format change to a larger format is just as possible, with the frame top 52 is moved upward. Since the inking unit 57 is arranged in the base 51, the frame top 52 can be stored particularly stable and secure on the substructure 51.
  • the essential for the print quality cylinder 55 and 56 or 55 'and 56' are fixedly mounted in the machine frame.
  • the Fig. 6a and 6b show a printing unit 1 with an arrangement that falls alternatively under the inventive principle.
  • the consisting of a Gestelloberteil 9 for the plate cylinder and the inking unit, and a frame base 6 for the blanket cylinder 17 and the impression cylinder 18 existing machine frame has a substructure with which the stand-like frame top 9 is connected. Between substructure and frame top 9 is an intermediate part to which the intended for blanket cylinder and impression cylinder frame base 6 is guided vertically.
  • 6b 6 shows in the machine frame of a printing unit 1 replaced plate cylinder 16 and blanket cylinder 17 'with a smaller diameter, the stored on side plates 37 of the frame base 6 blanket cylinder 17' and impression cylinder 18 have been offset due to the changed format size by means of frame base 6 upwards.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
EP06405520A 2006-12-15 2006-12-15 Unité d'impression pour une presse rotative à format variable Withdrawn EP1932667A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06405520A EP1932667A1 (fr) 2006-12-15 2006-12-15 Unité d'impression pour une presse rotative à format variable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06405520A EP1932667A1 (fr) 2006-12-15 2006-12-15 Unité d'impression pour une presse rotative à format variable

Publications (1)

Publication Number Publication Date
EP1932667A1 true EP1932667A1 (fr) 2008-06-18

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ID=37909654

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Application Number Title Priority Date Filing Date
EP06405520A Withdrawn EP1932667A1 (fr) 2006-12-15 2006-12-15 Unité d'impression pour une presse rotative à format variable

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EP (1) EP1932667A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010034855A1 (fr) 2008-09-29 2010-04-01 Neopack, S.L. Machine d'impression et groupe d'impression pour offset à format variable
EP3272535A1 (fr) * 2016-07-22 2018-01-24 Gallus Druckmaschinen GmbH Machine d'impression des bandes comprenant des modules de traitement et des modules de support
CN116080254A (zh) * 2022-12-21 2023-05-09 浙江炜冈科技股份有限公司 一种印刷机

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE478254C (de) 1926-06-15 1929-06-21 Windmoeller & Hoelscher G M B Rotationsgummidruckmaschine fuer wechselnde Formate
EP0027321A1 (fr) 1979-10-04 1981-04-22 Drg (Uk) Limited Machines à imprimer pour formats variables
US5540149A (en) * 1993-10-26 1996-07-30 Magnum Manufacturing Limited Rotary printing machines
EP0956973A2 (fr) * 1998-05-15 1999-11-17 Heidelberger Druckmaschinen Aktiengesellschaft Blanchet pour l'impression avec transfert complet de l'encre
DE19937796A1 (de) 1999-08-10 2001-02-15 Roland Man Druckmasch Druckwerk
WO2005097505A2 (fr) * 2004-04-05 2005-10-20 Koenig & Bauer Aktiengesellschaft Unite d'impression d'une rotative a bobines

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE478254C (de) 1926-06-15 1929-06-21 Windmoeller & Hoelscher G M B Rotationsgummidruckmaschine fuer wechselnde Formate
EP0027321A1 (fr) 1979-10-04 1981-04-22 Drg (Uk) Limited Machines à imprimer pour formats variables
US5540149A (en) * 1993-10-26 1996-07-30 Magnum Manufacturing Limited Rotary printing machines
EP0956973A2 (fr) * 1998-05-15 1999-11-17 Heidelberger Druckmaschinen Aktiengesellschaft Blanchet pour l'impression avec transfert complet de l'encre
DE19937796A1 (de) 1999-08-10 2001-02-15 Roland Man Druckmasch Druckwerk
WO2005097505A2 (fr) * 2004-04-05 2005-10-20 Koenig & Bauer Aktiengesellschaft Unite d'impression d'une rotative a bobines

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010034855A1 (fr) 2008-09-29 2010-04-01 Neopack, S.L. Machine d'impression et groupe d'impression pour offset à format variable
DE112009002489T5 (de) 2008-09-29 2012-09-13 Neopack, S.L. Druckmaschine und Druckgruppe für formatvariablen Offset
US8746141B2 (en) 2008-09-29 2014-06-10 Neopak, Sl Printing machine and printing group for variable format offset
EP3272535A1 (fr) * 2016-07-22 2018-01-24 Gallus Druckmaschinen GmbH Machine d'impression des bandes comprenant des modules de traitement et des modules de support
CN107639925A (zh) * 2016-07-22 2018-01-30 捷拉斯印刷机械有限公司 具有加工模块和载体模块的幅带印刷机
US10688776B2 (en) 2016-07-22 2020-06-23 Gallus Druckmaschinen Gmbh Web-fed printing machine including processing modules and carrier modules
CN107639925B (zh) * 2016-07-22 2020-12-22 捷拉斯印刷机械有限公司 具有加工模块和载体模块的幅带印刷机
CN116080254A (zh) * 2022-12-21 2023-05-09 浙江炜冈科技股份有限公司 一种印刷机

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