EP0741018A2 - Dispositif pour le placement d'un rouleau d'application - Google Patents

Dispositif pour le placement d'un rouleau d'application Download PDF

Info

Publication number: EP0741018A2
Authority: EP; European Patent Office
Prior art keywords: roller; axis; plate cylinder; adjusting; applicator
Prior art date: 1995-05-03
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

EP96106592A

Other languages

German (de)

English (en)

Other versions

EP0741018B1 (fr

EP0741018A3 (fr

Inventor

Peter Hummel

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.)

1995-05-03

Filing date

1996-04-26

Publication date

1996-11-06

1996-04-26 Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG

1996-11-06 Publication of EP0741018A2 publication Critical patent/EP0741018A2/fr

1997-04-16 Publication of EP0741018A3 publication Critical patent/EP0741018A3/fr

2001-06-06 Application granted granted Critical

2001-06-06 Publication of EP0741018B1 publication Critical patent/EP0741018B1/fr

2016-04-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F7/00—Rotary lithographic machines
- B41F7/20—Details
- B41F7/24—Damping devices
- B41F7/40—Devices for tripping or lifting damping rollers; Supporting, adjusting, or removing arrangements therefor
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F7/00—Rotary lithographic machines
- B41F7/20—Details
- B41F7/24—Damping devices
- B41F7/26—Damping devices using transfer rollers

Definitions

the invention relates to a device for mounting an applicator roller according to the preamble of claim 1.
application rollers are provided, which are used to supply dampening solution to a plate cylinder carrying a printing form.
These applicator rollers must be able to be turned on and off by means of adjusting means in relation to rollers which interact with them and in relation to the plate cylinder. Due to the previously known manner of designing the adjusting means, it is necessary for irregularities to get into the sequence when the plate cylinder rotates. The reason for this is that the printing form has to be clamped onto the plate cylinder, which results in more or less large channel-shaped interruptions on its surface. When these interruptions overflow in the surface of the plate cylinder or the so-called cylinder channel, an application roller can therefore execute a movement following this flaw. This results in irregularities in the transport of the dampening solution due to the resulting relative movements between the rollers.
a roller is supported on both sides with a roller journal in a swivel arm, which can be moved by means of a cam or other shut-off gear to the adjacent rollers and the plate cylinder or can be removed from them.
the cam mechanism works against spring force.
the rolling of the application rollers on the plate cylinder is disadvantageous in particular due to the spring force. Every radial movement of the applicator roller when the cylinder channel overflows on the plate cylinder will show up in an irregular movement due to the adjusting springs, even if one tries to limit these movements by means of fixed stops.
the object of the invention is therefore to provide storage for an applicator roller avoids the disadvantages described and allows an exact adjustment of the application roller both to the plate cylinder and to the neighboring rollers.
the dampening unit consists of a water tank 1, an immersion roller 2, a metering roller 3 attached to it and an application roller 4 which is arranged between the immersion roller 2 and a plate cylinder 7.
the application roller 4 is connected to a first inking roller 6 by means of a bridge roller 5.
the inking roller 6 and the application roller 4 are employed on the plate cylinder 7.
the plate cylinder 7 has on its circumference in the contour interruptions that serve to set up a printing form. When the plate cylinder rotates, this interruption in the surface contour, the so-called cylinder channel, also overflows the position of the application roller 4 and the inking roller 6.
a special roller bearing is provided, as shown in section in FIG. 2.
the bearing shell 9 is designed according to a so-called roller lock, in which the roll neck 8 can be fixed in such a way that the application roller 4 follows all movements of the bearing shell 9.
the roll neck 8 is also provided on the end face with a recess 10.
the recess 10 engages over a disk-shaped drive element 11 which is coupled to a drive shaft 12 and is rotatably driven by a drive gear 13.
the application roller 4 is connected coaxially and immovably to the drive shaft 12 by means of the devices described when it is inserted into the bearing shell 9.
the drive shaft 12 is in turn adjustably mounted within a frame part 14 which is firmly connected to the printing press.
a first positioning eccentric 15 is mounted in the frame part 14 and a second positioning eccentric 16 is mounted within this first positioning eccentric 15.
the eccentric 16 in turn has a bearing for the drive shaft 12.
Adjusting levers 17, 18 are provided on the adjusting eccentrics 15, 16 and serve to rotate the adjusting eccentrics 15, 16.
Actuating rods 19, 20 engage the adjusting levers 17, 18, shown only schematically here.
the actuating eccentric 15 is thus held or moved by the actuating rod 19 via the actuating lever 17.
the adjusting eccentric 16 is held or moved on the adjusting lever 18 by the adjusting rod 20.
Fig. 3 the arrangement of the eccentric 15, 16 for their movement drive is shown in more detail.
the assignment of the eccentricities or the axial positions of the positioning eccentrics 15, 16 to the drive shaft 12 or to the axis of the application roller 4 is shown.
an axis A1 is provided for the applicator roller 4, an axis A2 for the adjusting eccentric 15 and an axis A3 for the adjusting eccentric 16.
the axes A1, A2 and A3 have a certain relationship to one another, the design and purpose of which are explained in more detail below.
the adjusting rods 19, 20 act on the adjusting eccentrics 15, 16 via an adjustable rotary connection 21.
the adjusting rods 19, 20 are acted upon by a drive lever 22.
a pneumatic cylinder 23 engages on the drive lever 22.
the axes A1, A2 and A3 are not coaxial, but apart.
the axes A1 and A2 form an eccentricity E1 of the application roller 4 with respect to the plate cylinder 7.
the axes A2 and A3 form an eccentricity E2 of the application roller 4 with respect to the immersion roller 2, the eccentricity E2 being the distance between the axes of rotation of the adjusting eccentrics 15, 16.
the distances and the orientation are chosen so that the adjustment possibilities result in ideal radial movements.
the axis A1 of the application roller 4 to the axis A2 of the eccentric 15 is arranged such that the eccentricity E1 corresponding to the distance is approximately perpendicular to the connection of the axis A1 of the application roller 4 and the axis of the plate cylinder 7.
the axis A3 of the positioning eccentric 16 is offset from the axis A2 of the positioning eccentric 15 by the eccentricity E2 approximately at right angles to the orientation of the axis connection between the applicator roller 4 and the dipping roller 2. This ensures that the respective eccentricity E1 or E2 during the approach or Removal or adjustment affects approximately radially at the assigned setting level.
FIG. 4 shows the connection between the drive lever 22 and the actuating levers 17, 18 again.
the adjusting rods 19, 20 are rotatably secured within the drive lever 22 by means of lock nuts. They are screwed into slide levers 24, 25 in the adjusting levers 17, 18.
lock nuts screwsed into slide levers 24, 25 in the adjusting levers 17, 18.
the applicator roller 4 can be positioned in two directions of adjustment A and B.
the adjustment directions A and B are each radially to the adjacent surface of the plate cylinder 7 or the plunger roller 2. An on or off movement of the applicator roller 4 should therefore take place at the same time as radially as possible to the plate cylinder 7 and also radially to the plunger roller 2.
the adjustment direction A corresponds to the connection between the axis A1 of the applicator roller 4 and the axis of the plunger roller 2.
the adjustment direction B corresponds to the connection between the axis A1 of the applicator roller 4 and the axis of the plate cylinder 7.
an adjustment possibility of the plate cylinder 7 in such a way that the movement is tangential to the application roller 4.
the arrangement of the axis connections between plate cylinder 7 and applicator roller 4, and between applicator roller 4 and plunger roller 2 should be carried out at right angles to one another.
a change in the distance to the adjacent printing unit cylinder is required in order to provide the so-called printing. to readjust the starting pressure.
the setting of the application roller should not be influenced, since it is carried out independently.
This problem is solved by arranging the positioning planes at right angles to one another.
the provision of the applicator roller 4 is only minimally influenced by the tangential displacement.
no tracking of the applicator roller 4 is required for larger travel ranges, which could otherwise be necessary due to the lack of springing of the applicator roller 4.
the two adjusting eccentrics 15, 16 are arranged in such a way that, as described above, one of the adjusting eccentrics 15, 16 corresponds exactly to the optimal stopping movement to the dipping roller 2 or to the plate cylinder 7.
the joint movement when the applicator roller 4 is turned on and off results in an optimized mean value for the actuating movement when adjusting the applicator roller 4.
the independent positioning of the applicator roller 4 relative to the plate cylinder 7 or the immersion roller 2 takes place in an optimal manner via the actuating rods 19, 20 by screwing them into or out of the sliders 24, 25.
the basic position of the application roller 4 is thus determined.
the setting can thus be carried out both approximately radially with respect to the plate cylinder 7 and with the immersion roller 2.
the switch-on and switch-off movement is an optimal combination of the switch-on movements relative to the two individual elements plate cylinder 7 and plunger roller 2.
Fig. 6 the parked position of the applicator roller 4 is shown and the parking movement or positioning movement is shown in the form of a double arrow.
the combined Setting direction from the movement of the two adjusting eccentrics 15, 16 points, so to speak, into the gap between plate cylinder 7 and plunger roller 2.
the applicator roller 4 shows a special positioning of the applicator roller 4. In certain cases it may be necessary to apply the application roller 4 only to the plate cylinder 7 and to the inking roller 6 via the bridge roller 5. This is possible through the separate positioning of the two adjusting eccentrics 15, 16. For this purpose, the adjusting eccentric 16, which causes the adjustment to the dipping roller 2, is rotated to such an extent that there is no longer any contact between the application roller 4 and the dipping roller 2 in the employed position as a result of the movement of the pneumatic cylinder 23. In this position, the applicator roller 4 can be used as an additional inking roller. This is useful, for example, when using so-called waterless printing forms in the offset printing press.
the application of the special mounting of the application roller 4 by means of the two adjusting eccentrics 15, 16 is not limited to the embodiment shown. What is essential is the rigid support with respect to the neighboring functional elements and the adjustability that is independent of the various functional elements. These features can also be implemented using other technical means.
the device can be used on all applicators in printing presses in which an applicator roller is to be used to form a forme cylinder and a roller supplying a liquid. Inking units and coating units are also considered here. Use in other coating devices with rollers is also conceivable.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Rolls And Other Rotary Bodies (AREA)
Coating Apparatus (AREA)
Rotary Presses (AREA)
Liquid Crystal (AREA)
Photographic Developing Apparatuses (AREA)
Inking, Control Or Cleaning Of Printing Machines (AREA)

EP96106592A 1995-05-03 1996-04-26 Dispositif pour le placement d'un rouleau d'application Expired - Lifetime EP0741018B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19516131		1995-05-03
DE19516131A DE19516131A1 (de)	1995-05-03	1995-05-03	Vorrichtung zur Lagerung einer Auftragwalze

Publications (3)

Publication Number	Publication Date
EP0741018A2 true EP0741018A2 (fr)	1996-11-06
EP0741018A3 EP0741018A3 (fr)	1997-04-16
EP0741018B1 EP0741018B1 (fr)	2001-06-06

Family

ID=7760916

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP96106592A Expired - Lifetime EP0741018B1 (fr)	1995-05-03	1996-04-26	Dispositif pour le placement d'un rouleau d'application

Country Status (5)

Country	Link
US (1)	US5676057A (fr)
EP (1)	EP0741018B1 (fr)
JP (1)	JPH08300605A (fr)
AT (1)	ATE201848T1 (fr)
DE (2)	DE19516131A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2001083214A1 (fr) *	2000-05-03	2001-11-08	Koenig & Bauer Aktiengesellschaft	Mecanisme permettant d'ajuster l'ecart entre les axes de rotation de cylindres

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6336403B1 (en) *	2000-04-05	2002-01-08	Townsend Industries, Inc.	Dampening system for printing machines
DE60141261D1 (de) *	2000-05-17	2010-03-25	Komori Printing Mach	Verfahren zum Entfernen von Druckfarbe für eine Druckpresse
DE10219941A1 (de) *	2002-05-03	2003-11-20	Roland Man Druckmasch	Farb- oder Feuchtwerk einer Druckmaschine
NL1022049C2 (nl) *	2002-12-02	2004-06-11	Mps Holding B V	Drukmodule alsmede een drukmachine voorzien van een dergelijke drukmodule.
US6796228B2 (en) *	2002-12-27	2004-09-28	Day International, Inc.	Dampener metering device
DE10352614A1 (de) *	2003-07-11	2005-02-10	Koenig & Bauer Ag	Walze eines Farb- oder Feuchtwerkes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE504398C (de)	1927-07-09	1930-08-02	Albert Schnellpressen	Farbwalzenlager fuer Druckmaschinen
US4290360A (en)	1979-01-20	1981-09-22	M.A.N.-Roland Druckmaschinen Aktiengesellschaft Offenbach	Selective ink and wetting liquid, or wetting liquid only, application system for offset printing presses
US4922818A (en)	1987-12-22	1990-05-08	Heidelberger Druckmaschinen Aktiengesellschaft	Wetting/inking mechanism for offset printing presses

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB734803A (en) *	1952-04-09	1955-08-10	Maschf Augsburg Nuernberg Ag	Device for setting and controlling the inking and damping rollers of printing machines
US2986086A (en) *	1959-02-27	1961-05-30	Miller Printing Machinery Co	Antifriction eccentric journaling mounting for rotatable member
DE1227916B (de) *	1962-04-28	1966-11-03	Maschf Augsburg Nuernberg Ag	Lageranordnung fuer einen Zylinder von Druckmaschinen, insbesondere fuer den Gummi-zylinder einer Bogenoffsetdruckmaschine
US3691956A (en) *	1970-11-20	1972-09-19	North American Rockwell	Flat adjusting and throw-off arrangement for form roller in printing press
US4130057A (en) *	1977-10-25	1978-12-19	Roland Offsetmaschinenfabrik Faber & Schleicher Ag.	Dampening system for printing presses, particularly offset printing presses
IT1160413B (it) *	1978-12-28	1987-03-11	Cigardi Omc Sa	Dispositivo di bagnotura perfezionato, ad acqua ed a miscela acqua-alcool, applicabile su macchine da stampa offset
DE3123990C2 (de) *	1981-06-19	1986-04-10	M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach	Einstellvorrichtung für Farb- u. Feuchtwalzen an Druckmaschinen
DD210535A3 (de) *	1982-06-02	1984-06-13	Polygraph Leipzig	Vorrichtung zum verstellen von farb- oder feuchtmittelauftragwalzen
US4458591A (en) *	1982-09-30	1984-07-10	Harris Graphics Corporation	Rotary printing press
DE3412812C1 (de) *	1984-04-05	1985-06-27	M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach	Schaltvorrichtung fuer die Gummituchzylinder eines Druckwerkes fuer eine Rollenrotations-Offsetdruckmaschine
DE9110345U1 (de) *	1991-08-22	1991-10-10	Heidelberger Druckmaschinen Ag, 6900 Heidelberg	Feuchtwerk für Offsetdruckmaschinen
US5265529A (en) *	1992-06-09	1993-11-30	A. B. Dick Company	Single piston impression cylinder throw-off
US5301609A (en) *	1993-03-04	1994-04-12	Heidelberg Harris Inc.	Printing unit with skew and throw-off mechanisms
DE4322791B4 (de) *	1993-07-08	2005-06-30	Heidelberger Druckmaschinen Ag	Rotationsdruckmaschine

1995
- 1995-05-03 DE DE19516131A patent/DE19516131A1/de not_active Withdrawn
1996
- 1996-04-26 DE DE59607029T patent/DE59607029D1/de not_active Expired - Lifetime
- 1996-04-26 AT AT96106592T patent/ATE201848T1/de not_active IP Right Cessation
- 1996-04-26 EP EP96106592A patent/EP0741018B1/fr not_active Expired - Lifetime
- 1996-05-02 US US08/643,039 patent/US5676057A/en not_active Expired - Fee Related
- 1996-05-02 JP JP8111764A patent/JPH08300605A/ja active Pending

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE504398C (de)	1927-07-09	1930-08-02	Albert Schnellpressen	Farbwalzenlager fuer Druckmaschinen
US4290360A (en)	1979-01-20	1981-09-22	M.A.N.-Roland Druckmaschinen Aktiengesellschaft Offenbach	Selective ink and wetting liquid, or wetting liquid only, application system for offset printing presses
US4922818A (en)	1987-12-22	1990-05-08	Heidelberger Druckmaschinen Aktiengesellschaft	Wetting/inking mechanism for offset printing presses

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2001083214A1 (fr) *	2000-05-03	2001-11-08	Koenig & Bauer Aktiengesellschaft	Mecanisme permettant d'ajuster l'ecart entre les axes de rotation de cylindres
US6712001B2 (en)	2000-05-03	2004-03-30	Koenig & Bauer Aktiengesellschaft	Arrangement for adjusting the interval between the rotational axes of cylinders

Also Published As

Publication number	Publication date
US5676057A (en)	1997-10-14
JPH08300605A (ja)	1996-11-19
DE59607029D1 (de)	2001-07-12
DE19516131A1 (de)	1996-11-07
EP0741018B1 (fr)	2001-06-06
ATE201848T1 (de)	2001-06-15
EP0741018A3 (fr)	1997-04-16

Publication	Publication Date	Title
DE3604209C2 (fr)	1992-01-16
DE2155496C2 (de)	1983-03-10	Vorrichtung zum Einstellen der Anpressung von Farbauftragswalzen an einen Formzylinder
EP3043997B1 (fr)	2018-03-28	Procédé et dispositif pour régler des corps rotatifs de transport d'encre d'une machine à imprimer
WO2015032515A1 (fr)	2015-03-12	Machine à imprimer pour l'impression d'un papier fiduciaire, procédé permettant de remplacer un cliché, et démarrage de la machine à imprimer
EP1029672A1 (fr)	2000-08-23	Procédé et dispositif pour ajuster la force de pressage entre des rouleaux d'une machine à imprimer
EP1291175B1 (fr)	2008-02-13	Cylindre porte-plaque pour plusieurs images
DD210535A3 (de)	1984-06-13	Vorrichtung zum verstellen von farb- oder feuchtmittelauftragwalzen
EP0741018B1 (fr)	2001-06-06	Dispositif pour le placement d'un rouleau d'application
EP0512267B1 (fr)	1995-07-12	Laminoir
EP0125670B1 (fr)	1989-03-01	Dispositif pour imprimer
DE10132156C5 (de)	2011-12-01	Bahnstabilisierung zur berührungslosen Bahnführung bei fliegend wechselbaren Druckeinheiten
EP0741024B1 (fr)	2000-02-09	Dispositif pour serrer et séparer des rouleaux
EP0195378B1 (fr)	1991-01-23	Dispositif d'impression
DE10001212A1 (de)	2000-08-03	Farbwerk in einer Druckmaschine
EP0175237A2 (fr)	1986-03-26	Dispositif d'enlèvement des rouleaux d'encrage dans les machines d'impression
DE2631697C3 (de)	1981-12-24	An- und Abstellvorrichtung für den Plattenzylinder und die Farbübertragungsvorrichtung einer Flexodruckmaschine
DE4340867C2 (de)	1996-08-14	Vorrichtung zum An- und Abstellen einer Rakeleinrichtung an eine Auftragwalze in Rotationsdruckmaschinen
DE4401289C2 (de)	1997-05-07	Zylinderanstellvorrichtung
DE3415287A1 (de)	1984-12-13	Zylinder- bzw. walzeneinstellvorrichtung fuer eine offsetmaschine
DE19711692C2 (de)	1999-05-27	Einrichtung zum Ausrichten von Plattenzylindern
DE1949092C3 (de)	1975-09-25	Vorrichtung zum An- und Abstellen der Auftragswalzen eines Farbwerks
DD264654A1 (de)	1989-02-08	Vorrichtung zum an- und abstellen der farbauftragwalzen
DE69300437T2 (de)	1996-05-09	Offsetdruckmaschine.
DE3306257A1 (de)	1983-10-27	Dosiervorrichtung fuer verarbeitungsmaschinen, insbesondere druckmaschinen
DE1611251C2 (de)	1977-05-12	Kombinierte Nachfolge- und Abhebevorrichtung für die Auftragewalzen gegenüber einem schrägstellbaren Formzylinder von Rotationsoffsetdruckmaschinen

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