EP2006096A2 - Assemblage entraîné d'une presse - Google Patents

Assemblage entraîné d'une presse Download PDF

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Publication number
EP2006096A2
EP2006096A2 EP08009611A EP08009611A EP2006096A2 EP 2006096 A2 EP2006096 A2 EP 2006096A2 EP 08009611 A EP08009611 A EP 08009611A EP 08009611 A EP08009611 A EP 08009611A EP 2006096 A2 EP2006096 A2 EP 2006096A2
Authority
EP
European Patent Office
Prior art keywords
drive gear
gear
cylinder
drive
adjusting disc
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Withdrawn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
EP08009611A
Other languages
German (de)
English (en)
Other versions
EP2006096A3 (fr
Inventor
Peter Knauer
Josef Singler
Arthur Meitinger
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 Web Systems GmbH
Original Assignee
Manroland 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 Manroland AG filed Critical Manroland AG
Publication of EP2006096A2 publication Critical patent/EP2006096A2/fr
Publication of EP2006096A3 publication Critical patent/EP2006096A3/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Withdrawn legal-status Critical Current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
    • B41F13/008—Mechanical features of drives, e.g. gears, clutches
    • B41F13/012—Taking-up backlash
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/1987—Rotary bodies

Definitions

  • the invention relates to a driven assembly, in particular a printing unit or a folding apparatus, a printing press according to the preamble of claim 1.
  • each printing unit having a transfer cylinder, a plate cylinder, an inking unit and optionally a dampening unit.
  • the form cylinder are also referred to as a plate cylinder and the transfer cylinder as a rubber cylinder.
  • a counter-pressure cylinder With the transfer cylinder or blanket cylinder of a printing unit acts to form a printing nip for the printing substrate together a counter-pressure cylinder, wherein it may be in the impression cylinder to a satellite cylinder or a transfer cylinder or blanket cylinder of an adjacent printing unit.
  • a satellite cylinder usually interacts with several transfer cylinders of different printing units.
  • the impression cylinder which interacts with the transfer cylinder of a printing unit, is referred to as a printing cylinder.
  • the cylinders are meshing with each other assigned drive gears.
  • the form cylinder, the transfer cylinder and the impression cylinder of a printing unit each assigned at least one drive gear, wherein at least the drive gears of form cylinder and transfer cylinder of a printing unit mesh with each other.
  • the toothing of the meshing drive gears is in principle subject to play.
  • the present invention is based on the problem to provide a novel driven assembly of a printing press.
  • the drive gear of a first rotating element meshing with the drive gear of a second rotating element is associated with an idler gear which meshes with the drive gear of the first rotating element via at least one spring member extending in the axial direction of the first rotating element. is connected, wherein the incident gear is rotatable relative to the drive gear in the circumferential direction such that a fundamentally backlash teeth between the two meshing drive gears can be kept free of play.
  • the solution according to the invention works in the radial direction with minimal installation space. Furthermore, no axial support of the idler gear is required because the axial attachment of the idler gear is inherited by the or each flexure.
  • the construction of the invention is simple and inexpensive to implement. Another advantage is that the solution according to the invention is relatively stiff, so that the accompanying gear must be rotated only relatively slightly relative to the respective drive gear in order to realize the desired play release,
  • the idler gear has an identical gear geometry as the respective drive gear and meshes with the respective other drive gear.
  • Fig. 1 shows a section of a printing unit of a web-fed printing press in the range of two printing units 10 and 11, wherein each printing unit 10, 11 has a forme cylinder or plate cylinder 12 and a transfer cylinder or blanket cylinder 13.
  • each printing unit 10, 11 further comprises a non-illustrated inking unit and preferably a non-illustrated dampening unit.
  • the form cylinder 12 and the transfer cylinder 13 of in Fig. 1 illustrated printing unit are rotatably mounted on their illustrated cylinder pin 14 and 15 via bearings 16 and 17 on a side wall 18 of a frame of the printing unit.
  • Fig. 1 shows exemplarily for the drive gears 19 of the transfer cylinder 13 that they are attached to the respective cylinder pin 15 of the transfer cylinder 13 by means of clamping elements 21 which provide a torque connection between the respective drive gear and the respective cylinder pin.
  • each driving gear 19 of a transfer cylinder 13 is assigned a bypassing gear 22 and preferably an adjusting disk 23.
  • the idler gear 22 has an identical gear geometry as the drive gear 19 of the transfer cylinder 13 to which the idler gear 22 is associated. Furthermore, the idler gear 22 as well as the drive gear 19 of the transfer cylinder 13 meshes with the drive gear 20 of the forme cylinder 12.
  • incident gear 22 is connected via bending bars 24 formed as spring elements or bending elements and the respective drive gear 19 associated adjustment disc 23 to the drive gear 19.
  • the bending bars 24 are preferably equally distributed over the circumference of the drive gear 19, alongaufendem gear 22 and the adjusting plate 23, wherein the bending rods 24 extend in the axial direction and the adjusting plate 23, the incident gear 22 and the drive gear 19 of the transfer cylinder 13 preferably penetrate.
  • the flexures / flexures can be made longer, whereby the elasticity / suspension of the connection between the idler gear 22 and the drive gear 19 can be influenced.
  • the idler gear 22 is screwed by means of bending rods 24 with the adjusting disc 23 on a first side thereof and the adjusting disc 23 is screwed to the driving gear 19 on the side facing away from the idler gear 22.
  • the accompanying gear 22 and the adjusting disc 23 are therefore arranged on opposite sides of the respective drive gear 19.
  • the accompanying gear 22 is rotatable relative to the drive gear 19 of the respective transfer cylinder 13.
  • the rotation of the adjusting disc 23 relative to the respective drive gear 19 and thus the rotation of the cogging gear 22 relative to the same takes place such that when, on the one hand, the drive gears 19, 20 and on the other hand, the drive gear 19 associated with the cogging gear 22 mesh with the drive gear 20, driving tooth flanks of the two drive gears 19, 20 of transfer cylinder 13 and form cylinder 12 abut each other and continue non-driving tooth flanks of the incident gear 22 abut non-driving tooth flanks of the drive gear 20 of the respective plate cylinder 12 of the printing unit 10 and 11 respectively.
  • the interlocking teeth between the two meshing drive gears 19, 20 of transfer cylinder 13 and forme cylinder 12 can be kept free of play in the area of each printing unit.
  • the adjusting disk 23 is assigned an eccentric 25.
  • a slide bearing is formed between the idler gear 22 and the drive gear 19, particularly a plastic slide bearing to prevent solidification of these components moving only slightly relative to each other.
  • the number of bending rods 24 and / or the material of the bending rods 24 and / or the geometric shape of the bending rods 24 and the degree of rotation of the adjusting disc 23 relative to the respective drive gear 19 determines when the drive gear 19 of the transfer cylinder 13 associated, incident gear 22 meshes with the drive gear 20 of the forme cylinder 12, the tension between the idler gear 22 and the drive gear 19 of the transfer cylinder 13 and the tension between the idler gear 22 and the drive gear 20 of the forme cylinder 12 and thus a bending of the bending rods 24.
  • This can simple and inexpensive way a game clearance between the drive gears 19, 20 of form cylinder 12 and transfer cylinder 13 can be realized.
  • the inventive construction is relatively stiff, so that a Relatiwerpitung of a few tenths of a millimeter is sufficient to the necessary tension to release the game.
  • the gears can be rotated against each other and thus preset and then installed in a so-called pressure-off position. In this pressure-off position, the backlash is greater than the rotation to each other. Subsequently, the cylinders and thus the gears are transferred to the pressure-on position, that is, set to a theoretical center distance, the rotation of the gears is constructed to each other and provided the tension between them.
  • Each drive cylinder 13 is assigned a drive.
  • the drive gears 19 of the transfer cylinder 13 are therefore driven directly by a respective transfer cylinder 13 associated drive.
  • the drive gears 20 of the forme cylinder 12, however, are indirectly driven via the drive gear 19 of the transfer cylinder 13 of the respective printing unit 10 and 11 respectively.
  • the incident gear 22 and the adjusting disc 23 are associated with a directly driven drive gear, namely a directly driven drive gear 19 of the transfer cylinder 13 of the respective printing unit.
  • Fig. 1 With reference to Fig. 1 the invention has been described for printing units of a printing unit of a web-fed printing press, roll in the transfer cylinder of two adjacent printing units to each other.
  • the invention is used in printing units of a satellite printing unit, which comprises at least one satellite cylinder, which rolls on transfer cylinders of multiple printing units.
  • the invention can be used in a printing unit of a sheet-fed press.
  • the intermeshing drive gears may be associated with not only cylinders but also rollers or other rotating elements of a driven assembly of a printing press.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
EP08009611A 2007-06-01 2008-05-27 Assemblage entraîné d'une presse Withdrawn EP2006096A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007025752A DE102007025752A1 (de) 2007-06-01 2007-06-01 Angetriebene Baugruppe einer Druckmaschine

Publications (2)

Publication Number Publication Date
EP2006096A2 true EP2006096A2 (fr) 2008-12-24
EP2006096A3 EP2006096A3 (fr) 2012-03-21

Family

ID=39917427

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08009611A Withdrawn EP2006096A3 (fr) 2007-06-01 2008-05-27 Assemblage entraîné d'une presse

Country Status (3)

Country Link
US (1) US20080295631A1 (fr)
EP (1) EP2006096A3 (fr)
DE (1) DE102007025752A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19751117A1 (de) 1996-12-18 1998-06-25 Heidelberger Druckmasch Ag Vorrichtung zur Vermeidung von Spiel zwischen den kämmenden Zähnen eines ersten und eines zweiten Zahnrads in einem Druckwerk einer Offset-Rotationsdruckmaschine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036074A (en) * 1975-10-01 1977-07-19 Bodnar Ernest R Anti-backlash gear system
DE8109324U1 (de) * 1981-03-30 1983-03-10 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Spielfreier Zahnradtrieb für Druckmaschinen
US4532788A (en) * 1982-06-28 1985-08-06 The Venables Machine And Tool Company Apparatus for making spine fin stock
DE3527765A1 (de) * 1985-08-02 1987-02-12 Jahnel Kestermann Getriebewerk Walzenradpaarung fuer walzenmaschinen
US5357858A (en) * 1993-03-04 1994-10-25 Heidelberg Druckmaschinen Ag Apparatus for preventing circumferential separation between a blanket cylinder gear and a plate cylinder gear
DE19540573C1 (de) * 1995-10-31 1996-11-07 Roland Man Druckmasch Vorrichtung zum Spielausgleich in Rotationsdruckmaschinen
DE19856906A1 (de) * 1998-12-10 2000-06-15 Roland Man Druckmasch Doppeldruckwerk einer Rotationsdruckmaschine
US6148684A (en) * 1999-03-10 2000-11-21 Heidelberger Druckmaschinen Aktiengesellschaft Anti-backlash gear
ATE348278T1 (de) * 2003-11-25 2007-01-15 Bobst Sa Spielfreie getriebeanordnung
US7121973B2 (en) * 2004-05-05 2006-10-17 Hr Textron, Inc. Methods and apparatus for minimizing backlash in a planetary gear mechanism
WO2006104830A2 (fr) * 2005-03-30 2006-10-05 Goss International Americas, Inc. Presse a imprimer offset sur papier sans fin pourvue d'une lame plieuse articulee
DE102006028181B4 (de) * 2006-06-16 2014-09-11 Sterki Ag Zahnradsatz für ein Getriebe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19751117A1 (de) 1996-12-18 1998-06-25 Heidelberger Druckmasch Ag Vorrichtung zur Vermeidung von Spiel zwischen den kämmenden Zähnen eines ersten und eines zweiten Zahnrads in einem Druckwerk einer Offset-Rotationsdruckmaschine

Also Published As

Publication number Publication date
US20080295631A1 (en) 2008-12-04
EP2006096A3 (fr) 2012-03-21
DE102007025752A1 (de) 2008-12-04

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