EP0087625A1 - Dispositif pour l'application des rouleaux toucheurs sur le cylindre porte-plaque des machines d'impression et pour l'enlèvement et le réglage de ces rouleaux - Google Patents

Dispositif pour l'application des rouleaux toucheurs sur le cylindre porte-plaque des machines d'impression et pour l'enlèvement et le réglage de ces rouleaux Download PDF

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Publication number
EP0087625A1
EP0087625A1 EP83101216A EP83101216A EP0087625A1 EP 0087625 A1 EP0087625 A1 EP 0087625A1 EP 83101216 A EP83101216 A EP 83101216A EP 83101216 A EP83101216 A EP 83101216A EP 0087625 A1 EP0087625 A1 EP 0087625A1
Authority
EP
European Patent Office
Prior art keywords
plate cylinder
rollers
application rollers
adjustment
cams
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.)
Granted
Application number
EP83101216A
Other languages
German (de)
English (en)
Other versions
EP0087625B1 (fr
Inventor
Joachim Herzel
Claus Simeth
Rudolf Mitze
Robert Ortner
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6157198&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0087625(A1) "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 AT83101216T priority Critical patent/ATE21065T1/de
Publication of EP0087625A1 publication Critical patent/EP0087625A1/fr
Application granted granted Critical
Publication of EP0087625B1 publication Critical patent/EP0087625B1/fr
Expired legal-status Critical Current

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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
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/301—Devices for tripping and adjusting form rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/32—Lifting or adjusting devices

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • Devices for switching on, off and setting are necessary in order to be able to switch the application rollers on and off at the start of printing and printing off in accordance with the plate cylinder.
  • Adherence to the geometry, in particular the center distances between the application rollers and the plate cylinder, is necessary for constant operating conditions, so that the inking or the dampening of the printing plate can be checked.
  • the setting of the rolling conditions of the application rollers must also be observed if the operating conditions are changed or a malfunction necessitates an interruption in printing.
  • a device is described in French patent specification 1 207 883 which allows the applicator rollers to be placed together on or off the plate cylinder.
  • it contains an annular cam disc, which is centered on the axis of the plate cylinder on an extension of the eccentric plate cylinder bearing.
  • the cam disk can be rotated over a limited angle by means of a linkage, with spacers between the cam disk and the application rollers following the cam shape.
  • the position of the application rollers in relation to the plate cylinder can be adjusted. This is possible with the help of wedge elements and set screws, which are stored in the housing of the printing press.
  • CH-PS 231 504 describes a device on rotary printing presses for lifting application rollers.
  • the application rollers can be turned on and off here via a cam plate mounted centrally on the plate cylinder axis on part of the plate cylinder bearing.
  • the application rollers are mounted in forks, which in turn are attached to swivel plates mounted in the machine housing. The forks allow radial and tangential adjustments of the application rollers on the plate cylinder.
  • DE-PS 2 627 963 describes a device on printing presses for adjusting the application rollers on the plate cylinder. It has a bearing plate fixed centrally on the bearing of the plate cylinder to its adjusting eccentric.
  • the support disc is provided with cam segments that compensate for the eccentric movement of the plate cylinders in relation to the application rollers by the pivoting movement of the support disc.
  • CH-PS 484 748 describes an inking or moistening device which makes it possible to set application rollers in printing machines with respect to the plate cylinder.
  • a spiral-shaped regulating disc is attached to each applicator roller, which, due to its position in relation to curved segments on a fixed support on the plate cylinder axis, determines the setting relative to the plate cylinder.
  • the adjustment of the regulating wheel only needs to be carried out once on an application roller; it is retained when changing the application roller.
  • the devices shown all have the disadvantage that routine occurrences such as roller wear, roller changes, elevator thickness changes on the plate cylinder or a change in the rolling conditions of the application rollers make manual adjustment of the roller position necessary.
  • the actuating devices are either of a complicated structure or do not allow the application rollers to be set exactly.
  • the effort for the adjustment of the application rollers in FR-PS 1 207 883 is very high, since for each application roller two wedge elements with an associated set screw and a spacer are required.
  • the CH-PS 231 504 describes a device with great effort for setting the applicator rollers. The adjustment must also be carried out separately. In addition, this type of storage is not suitable for precisely defining the rolling conditions of the application rollers.
  • DE-PS 2 627 963 which describes the device, offers no possibility of applying the application rollers independently of the plate cylinder adjustment to be turned off from the plate cylinder, since the support plate for adjusting the application rollers is firmly connected to the eccentric bearing of the plate cylinder.
  • the object of the invention is therefore to provide a structurally simple device by means of which changes in the center distance between the plate cylinder and the application rollers assigned to it can be carried out simultaneously for all application rollers by the application rollers being adjustable and remotely adjustable in relation to the plate cylinder in their setting position but also on - and can be switched off, and it allows the plate cylinder to move relative to its mounting without causing any significant changes in the rolling conditions. between application rollers and plate cylinder.
  • the object is achieved in that the cams have curve areas for the simultaneous adjustment of the center distance of all applicator rollers to the plate cylinder in the range of a position and up to a parking position and that the cams can be pivoted against end stops and adjustment stops.
  • the ring-shaped cams are arranged on the bearing journal so that they can rotate about the plate cylinder axis. Your storage is independent of the storage of the plate cylinder, which should also allow movement of the bearing pin within the eccentric bearing.
  • the dampening and inking rollers are each assigned their own cams on both sides of the plate cylinder.
  • the application rollers themselves are mounted in swivel arms that are equipped with compression springs and adjusting devices for adjusting the application roller adjustment.
  • the actuators work together with the associated cams.
  • the swivel arms can be swiveled around the axes of the friction rollers lying directly in front of the application rollers in the single drum roller.
  • the device is also particularly advantageous when it is necessary to incline plate cylinders by movements within their eccentric bearing relative to the associated rubber cylinder. With such an inclination, there should be only slight changes in compressive stress between the plate cylinder and the rubber cylinder working with it.
  • the device according to the invention allows this inclination with very small changes in the rolling conditions between the plate cylinder and applicator rollers which do not influence the operating conditions.
  • the basic setting of the application rollers can be automatically restored after taking into account all changes in diameter or changed operating conditions even after a machine has stopped.
  • the interior is simple and very flexible the adaptation to changing operating conditions.
  • the plate cylinder of an offset printing machine is shown here as an example.
  • the representations in FIGS. 1 and 2 show sections through the mounting of the plate cylinder 1.
  • the cam disk 3 is mounted centrally on the journal 2 to control the inking rollers 5. It cooperates with the centering means 7 of the inking rollers 5 indicated here.
  • the drive for pivoting consists of a hydraulic or pneumatic cylinder 9, the piston rod of which engages an extension of the cam plate 3.
  • the extension of the cam disc 3 is assigned an adjustment stop 11 and an end stop 13.
  • the adjustment stop 11 serves to determine the position of the inking rollers 5 on the plate cylinder 1.
  • the end stop 13 serves to determine the storage position of the inking rollers 5 Parking the inking rollers 5 only between these two stops 11, 13.
  • FIG. 2 shows the corresponding assignment of the dampening application rollers 6 and their adjusting means 8 via the cam plate 4 on the bearing journal 2 to the plate cylinder 1.
  • the associated drive consists of a pneumatic or hydraulic cylinder 10, an adjustment stop 12 for determining the starting position and an end stop 14 for fixing the parking position of the dampening rollers 6.
  • the curve shape of the cams 3 and 4 determines the setting of the application rollers 5 and 6.
  • three positions are shown schematically.
  • An attitude for a normal plate cylinder lift or worn application rollers or possibly application rollers with a smaller diameter is shown in FIG. 3A.
  • the adjustment stop 11 for setting the position of the position should be drivable. He has retracted and enables the cam disc 3 to pivot so far with the aid of the drive 9 that the adjusting means 7 of the inking roller 5 abuts against a curve area of the cam disc 3 which is at a correspondingly small distance from the plate cylinder axis, around the inking rollers 5 in the desired manner turn on the plate cylinder 1.
  • the center distance between the inking roller 5 and the plate cylinder 1 must be increased.
  • the adjustment stop 11 is extended in the direction of the cam disk 3.
  • the cam 3 can no longer be pivoted so far and the adjusting means 7 of the inking rollers 5 are at a point on the curve with a greater distance from the plate cylinder axis.
  • the desired setting between inking roller 5 and plate cylinder 1 can also be maintained here only by pivoting the cam plate 3.
  • the cam plate 3 is pivoted against the end stop 13 as shown in FIG. 3C.
  • the end stop 13 the Position of the Abstellnocken on the cam 3, relative to the adjusting means 7 of the inking rollers 5, sets, is usually set only once. Therefore, it makes sense to make it manually operable, since it is only required for installation.
  • FIGS. 3 B and 3 C represent the basic position from FIG. 3 A.
  • the setting of the application roller 5 with the cam plate 3 applies mutatis mutandis to all other application rollers 5, 6 and the associated cam plates 3, 4.
  • two identical adjusting devices 3, 4, 9-14 are necessary both on the dampening unit and on the inking unit.
  • FIG. 4 shows a superposition of the sections 0-0 from FIG. 2 in the upper half and U-U from FIG. 1 in the lower half.
  • the cams 3, 4 are arranged on the journal 2 independently of the eccentric bearing 20 of the plate cylinder 1 within the machine housing 15 and rotatably mounted.
  • the bearing of the cams 3, 4 is not shown in detail. They work together with schematically indicated adjustment means 7, 8 on the axes of the application rollers 5, 6.
  • the function of the cams 3, 4 as a spacer for determining the center distance between the application rollers 5, 6 and the plate cylinder 1 is clear here.
  • the structure of the adjusting means 7, 8 is shown in more detail in FIG. 5.
  • the application rollers 5 these are mounted in swivel arms 17 with respect to the axis of the friction roller 16.
  • the axis of the friction roller 16 is fixed in the plane parallel to the machine housing, while the axes of the application rollers 5 can be moved by means of the swivel arms 17.
  • the application rollers 5 can be moved around the grater 16 at a constant center distance, which should be adjustable with devices, not shown, for example eccentrics between the friction roller 16 and the application rollers 5, without changing the rolling conditions between the rollers.
  • the curve areas of the cam disks 3 must have gradients designed for corresponding contact points of adjusting screws 18 on the application rollers 5, 6, so that when the cam disk 3, 4 is rotated, an identical change in the center distance on both application rollers 5, 6 with respect to the plate cylinder 1 is produced.
  • the basic setting of the application rollers 5, 6 to the plate cylinder 1 is carried out by screwing or unscrewing the set screws 18 into the swivel arms 17.
  • the set screws 18 are secured against twisting by the contact force of the compression springs. This means that the same level can be set for all application rollers 5, 6 starting from the parking position. Adjustment is also possible if, for any reason, the roller diameters should change differently or individual application rollers would have to be replaced, for example.
  • FIG. 6 shows an example for a movement of the bearing journal 2 within the eccentric bearing 13.
  • Storage of the plates Cylinder is installed in the eccentric bearing 20 and consists of a part 21 arranged centrally to the plate cylinder axis, which has a straight guide inside and the actual plate cylinder bearing 22.
  • the plate cylinder bearing 22 is flattened on two sides of its circumference and can be adjusted by the adjusting bolt 23 against the spring unit 24 within the straight line of the part 21 can be moved slightly.
  • the second plate cylinder bearing is also designed.
  • the applicator rollers 5, 6 lying in front of the plate cylinder 1 pivot in the direction of displacement, while the applicator rollers 5, 6 lying behind the plate cylinder 1 move towards one another and the parallel applicator rollers 5, 6 remain stationary.
  • the change in the assignment is shown in FIG. 7 for the case of pressure provision using the eccentric bearing 20.
  • the size of the adjustment path has been greatly exaggerated.
  • the cylinder center in point B is around the bearing center in point A to B ' pivoted.
  • a straight line movement from B to B ' would also be conceivable, which would then result in the same initial and final state with regard to the geometry.
  • the grater axis at point C is fixed.
  • the adjustment path of the bearing journal 2 within the eccentric bearing 20 is 0.5 mm on both bearings in the opposite direction in each case.
  • the conversion of such a displacement of the plate cylinder 1 in the direction of the maximum effect on the applicator roller 5 results in a tangential displacement of 0.8 at its radius of 30 mm, a grater with a 40 mm radius and a plate cylinder 1 with a 140 mm radius on the applicator roller 5 mm.
  • the end stops 13, 14 for the parking position and the set screws 18, which are then designed as spring bolts, can also be made drivable and remotely controlled.
  • the entire setting process according to characteristic curves, which are adapted to the cams 3, 4 and the operating conditions, are taken over in data memory and kept ready for electronic control. It is then possible, for example, to automatically compensate for the effects of the tangential and, via the cam disks 3, 4, the radial adjustment of the application rollers 5, 6 when the plate cylinder is adjusted to the adjustment path.
  • the swivel path of the cams 3, 4 can be optimized with respect to the position of the parking cam, ie the curve adjustment can also be kept as short as possible in terms of time.
  • the position of the starting position can then be chosen as close as possible to the parking cam.
  • the state of wear of the application rollers 5, 6 can also be controlled by an automated control of the contact force of the individual application rollers via the compression spring 19, and effects on the printing process, that is to say the application of ink or dampening solution, can be compensated for by specific adjustment of individual rollers.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP83101216A 1982-03-03 1983-02-09 Dispositif pour l'application des rouleaux toucheurs sur le cylindre porte-plaque des machines d'impression et pour l'enlèvement et le réglage de ces rouleaux Expired EP0087625B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83101216T ATE21065T1 (de) 1982-03-03 1983-02-09 Vorrichtung zum an-, ab- und einstellen von auftragwalzen am plattenzylinder von druckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3207622 1982-03-03
DE3207622A DE3207622C2 (de) 1982-03-03 1982-03-03 Vorrichtung zum An-, Ab- und Einstellen von Auftragwalzen am Plattenzylinder von Druckmaschinen

Publications (2)

Publication Number Publication Date
EP0087625A1 true EP0087625A1 (fr) 1983-09-07
EP0087625B1 EP0087625B1 (fr) 1986-07-30

Family

ID=6157198

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83101216A Expired EP0087625B1 (fr) 1982-03-03 1983-02-09 Dispositif pour l'application des rouleaux toucheurs sur le cylindre porte-plaque des machines d'impression et pour l'enlèvement et le réglage de ces rouleaux

Country Status (4)

Country Link
US (1) US4503771A (fr)
EP (1) EP0087625B1 (fr)
JP (1) JPS58201654A (fr)
DE (1) DE3207622C2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105476A2 (fr) * 1982-09-30 1984-04-18 Harris Graphics Corporation Presse d'impression rotative
EP0437230A2 (fr) * 1990-01-10 1991-07-17 Komori Corporation Dispositif d'encrage pour machine à imprimer
EP0453788A1 (fr) * 1990-04-24 1991-10-30 MAN Roland Druckmaschinen AG Dispositif d'enclenchement, de déclenchement et de réglage des rouleaux d'encrage
EP0899095A1 (fr) * 1995-06-30 1999-03-03 Koenig & Bauer Aktiengesellschaft Machine rotative à feuilles
EP0950940A1 (fr) * 1998-04-15 1999-10-20 Heidelberger Druckmaschinen Aktiengesellschaft Commande de position d'un dispositif de réglage rotatif
US7618064B2 (en) 2005-08-05 2009-11-17 Suzuki Motor Corporation Attachment construction for seat belt system provided with pretensioner mechanism

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434670A1 (de) * 1984-09-21 1986-04-03 Basf Ag, 6700 Ludwigshafen Vorrichtung zum belegen eines formzylinders mit einer wickelplatte
DE3926087C1 (fr) * 1989-08-07 1990-10-04 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE9110806U1 (fr) * 1991-08-31 1991-10-17 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
US5461978A (en) * 1994-09-27 1995-10-31 Chou; Ching-Ho Printing press
JPH08216376A (ja) * 1995-02-09 1996-08-27 Nagano Japan Radio Co 印刷機の処理ローラ用リリース装置
US6347585B1 (en) * 1998-08-04 2002-02-19 Goss Graphic Systems, Inc. Variable gap stabilizer
JP3556130B2 (ja) * 1999-08-03 2004-08-18 リョービ株式会社 オフセット印刷機
DE10023605A1 (de) * 2000-05-15 2002-06-27 Roland Man Druckmasch Vorrichtung zum Einstellen einer Auftragwalze am Plattenzylinder einer Druckmaschine
ATE342801T1 (de) * 2001-12-06 2006-11-15 Koenig & Bauer Ag Verfahren zum betrieb eines farbwerkes oder feuchtwerkes in einer druckmaschine
DE102004021628B4 (de) * 2004-05-03 2007-09-06 Koenig & Bauer Aktiengesellschaft Lageranordnung in einer Druckmaschine für eine Walze
EP2998116B1 (fr) * 2014-09-16 2018-11-28 Bieffebi Srl Dispositif et procédé de montage d'une plaque flexographique sans tension
DE102021210416A1 (de) 2021-09-20 2022-10-27 Zf Friedrichshafen Ag Hebergetriebe für eine Druckmaschine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH231504A (de) * 1943-04-06 1944-03-31 T Maschinenbau Aktiengesellsch Einrichtung an Rotationsdruckmaschinen zum Abheben der Auftragswalzen.
FR1207883A (fr) * 1958-07-22 1960-02-19 Color Metal A G Perfectionnements apportés aux presses à imprimer
CH423827A (de) * 1963-09-07 1966-11-15 Planeta Veb Druckmasch Werke Vorrichtung zum Einstellen der Auftragwalzen an Druckmaschinen
FR2345297A1 (fr) * 1976-03-22 1977-10-21 Polygraph Leipzig Dispositif de reglage des rouleaux toucheurs des mecanismes encreurs et mouilleurs de rotatives

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DE199350C (fr) *
US2568761A (en) * 1946-03-22 1951-09-25 Miehle Printing Press & Mfg Pressure adjustment and trip for printing cylinders
US2751843A (en) * 1952-08-29 1956-06-26 Time Inc Self-adjusting form roll
US2853943A (en) * 1953-12-15 1958-09-30 Harris Intertype Corp Plate cylinder and inking roller throwoffs
BE569617A (fr) * 1957-07-23
US2986086A (en) * 1959-02-27 1961-05-30 Miller Printing Machinery Co Antifriction eccentric journaling mounting for rotatable member
US3448686A (en) * 1966-12-05 1969-06-10 Miehle Goss Dexter Inc Form roller setting and control means
US3691956A (en) * 1970-11-20 1972-09-19 North American Rockwell Flat adjusting and throw-off arrangement for form roller in printing press
DE2627963C2 (de) * 1976-06-23 1978-06-29 Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Vorrichtung an Druckmaschinen zum Verstellen der mit dem Plattenzylinder in Kontakt verbringbaren Farbauftragwalzen
JPS5952143B2 (ja) * 1978-07-18 1984-12-18 三菱電機株式会社 エレベ−タの乗場表示装置
WO1981001266A1 (fr) * 1979-11-05 1981-05-14 Dahlgren Mfg Co Bac a encre portatif
US4369705A (en) * 1980-09-24 1983-01-25 Harris Corporation Printing press
US4407198A (en) * 1982-04-15 1983-10-04 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Arrangement for securing pure skew adjustment of a plate cylinder in a sheet-fed rotary printing press

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH231504A (de) * 1943-04-06 1944-03-31 T Maschinenbau Aktiengesellsch Einrichtung an Rotationsdruckmaschinen zum Abheben der Auftragswalzen.
FR1207883A (fr) * 1958-07-22 1960-02-19 Color Metal A G Perfectionnements apportés aux presses à imprimer
CH423827A (de) * 1963-09-07 1966-11-15 Planeta Veb Druckmasch Werke Vorrichtung zum Einstellen der Auftragwalzen an Druckmaschinen
FR2345297A1 (fr) * 1976-03-22 1977-10-21 Polygraph Leipzig Dispositif de reglage des rouleaux toucheurs des mecanismes encreurs et mouilleurs de rotatives

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105476A2 (fr) * 1982-09-30 1984-04-18 Harris Graphics Corporation Presse d'impression rotative
EP0105476A3 (en) * 1982-09-30 1985-12-04 Harris Graphics Corporation Rotary printing press
EP0437230A2 (fr) * 1990-01-10 1991-07-17 Komori Corporation Dispositif d'encrage pour machine à imprimer
EP0437230A3 (en) * 1990-01-10 1991-11-27 Komori Corporation Inking apparatus for printing press
EP0453788A1 (fr) * 1990-04-24 1991-10-30 MAN Roland Druckmaschinen AG Dispositif d'enclenchement, de déclenchement et de réglage des rouleaux d'encrage
EP0899095A1 (fr) * 1995-06-30 1999-03-03 Koenig & Bauer Aktiengesellschaft Machine rotative à feuilles
EP0899096A1 (fr) * 1995-06-30 1999-03-03 Koenig & Bauer Aktiengesellschaft Machine rotative à feuilles
EP0950940A1 (fr) * 1998-04-15 1999-10-20 Heidelberger Druckmaschinen Aktiengesellschaft Commande de position d'un dispositif de réglage rotatif
US7618064B2 (en) 2005-08-05 2009-11-17 Suzuki Motor Corporation Attachment construction for seat belt system provided with pretensioner mechanism

Also Published As

Publication number Publication date
DE3207622A1 (de) 1983-09-15
EP0087625B1 (fr) 1986-07-30
US4503771A (en) 1985-03-12
JPH0323343B2 (fr) 1991-03-28
DE3207622C2 (de) 1985-02-21
JPS58201654A (ja) 1983-11-24

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