EP0909648B1 - Dispositif de nettoyage des cylindres d'une presse à imprimer - Google Patents

Dispositif de nettoyage des cylindres d'une presse à imprimer Download PDF

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Publication number
EP0909648B1
EP0909648B1 EP97113102A EP97113102A EP0909648B1 EP 0909648 B1 EP0909648 B1 EP 0909648B1 EP 97113102 A EP97113102 A EP 97113102A EP 97113102 A EP97113102 A EP 97113102A EP 0909648 B1 EP0909648 B1 EP 0909648B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
cylinders
roll
wash
wash roll
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
EP97113102A
Other languages
German (de)
English (en)
Other versions
EP0909648A1 (fr
Inventor
Rune G. Dipl.-Ing. Vestman (Fh)
Kjell E. Dipl.-Ing. Lundin (Th)
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.)
Oxy Dry Maschinen GmbH
Original Assignee
Oxy Dry Maschinen GmbH
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=8227145&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0909648(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to DE59700542T priority Critical patent/DE59700542D1/de
Priority to EP97113102A priority patent/EP0909648B1/fr
Priority to AT97113102T priority patent/ATE185318T1/de
Priority to ES97113102T priority patent/ES2138421T3/es
Priority to DK97113102T priority patent/DK0909648T3/da
Application filed by Oxy Dry Maschinen GmbH filed Critical Oxy Dry Maschinen GmbH
Priority to CZ982371A priority patent/CZ237198A3/cs
Priority to JP10211009A priority patent/JPH11147309A/ja
Publication of EP0909648A1 publication Critical patent/EP0909648A1/fr
Publication of EP0909648B1 publication Critical patent/EP0909648B1/fr
Application granted granted Critical
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
    • B41F35/00—Cleaning arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/20—Wiping devices
    • B41P2235/22—Rollers

Definitions

  • the invention relates to a device for cleaning cylinders Printing machine according to the preamble of claim 1.
  • Printing machines such as newspaper web printing machines, commercial web printing machines and sheetfed presses contain a variety of cylinders, especially blanket cylinders, impression cylinders, plate and Forme cylinders, cooling rolls, guide rolls, inking rolls and dampening rolls.
  • cylinders especially blanket cylinders, impression cylinders, plate and Forme cylinders, cooling rolls, guide rolls, inking rolls and dampening rolls.
  • Processing and driving the printing material sheets or printing material webs is an intensive contact between the substrates and the cylinders necessary. This creates deposits of paper dust on the cylinders and printing ink.
  • Deposits result in particular with blanket cylinders in offset printing in a loss of sharpness; some print lots may print with existing impurities no longer properly.
  • the deposition rate is due to the high viscosity and Adhesion of the printing ink is particularly high.
  • a cleaning device which is connected to a to be cleaned cylinder of a printing unit is adjustable and a driven Washing roller includes, the axis of rotation of which is parallel to the axis of rotation cleaning cylinder and the circumferential surface of which has an angular range, which is intended for contact with the cylinder.
  • the washing roller is sprayed with detergents via a detergent supply device.
  • To wipe off the contaminants lifted off the cylinder is one Squeegee provided.
  • the known automated cleaning devices for cylinders of printing machines are usually permanently assigned to one cylinder, whereby they can be employed for the cleaning process.
  • the rotating one Wash roller is moistened with cleaning liquids, so that the most Cylinder impurities are softened and lifted off.
  • the dirt picked up by the washing roller is removed by the scraper continuously eliminated.
  • a device is known from EP 0 770 483 A2, which comprises a washing roller, the circumferential surface of which has two angular ranges separated from one another, each for contact with one of the two cylinders to be cleaned is provided.
  • Such a device is also known from FR 1 351 365.
  • the invention is therefore based on the object of a device for cleaning of cylinders of a printing press according to the preamble of claim 1 to improve so that the installation space required for this device considerably is reduced.
  • the device according to the invention is thus designed such that the washing roller essentially in the space between the two to be cleaned Cylinders, with the motor either coaxial with the washing roller or upstream, So in the direction of the connecting plane of the axes of rotation of the two cylinders next to the Axis of rotation of the washing roller in the nip is arranged between the two cylinders to be cleaned.
  • the example space required for a printing plate change and blanket change the cylinders remain completely free.
  • the two cylinders can be cleaned alternately by a very small swiveling movement of the washing roller; but preferably the washing roller can also be used for the cleaning process be turned on the cylinders so that they are simultaneously with both cylinders comes into contact and cleans both cylinders simultaneously. It is on the Hand that in particular the latter alternative a particularly quick cleaning the cylinder allows.
  • the mechanics required for the washing roller can be accommodated in the smallest space be, so that the device according to the invention is practically completely in the gap between two adjacent cylinders and the space in front of these cylinders remains free.
  • the device according to the invention be provided with a collecting trough is.
  • the drip pan has a special shape the finger guard that is normally present anyway for occupational safety reasons is formed.
  • a finger guard is preferably on attached the device according to the invention that it is the adjusting movement and / or the pendulum movement of the washing roller does not participate, but essentially remains stationary.
  • the use of the device according to the invention is particularly advantageous for Clean two rubber blanket cylinders one above the other H printing unit of an offset printing machine.
  • the Washer roller is designed as a brush roller.
  • the applicant achieved with brush rollers in state-of-the-art automated cleaning equipment very good cleaning results for some time.
  • you can but also a washing roller with a fixed or replaceable washing surface, such as a washcloth.
  • cleaning liquids are, for example Oils, organic solvents, but also water and cleaning emulsions to understand.
  • a housing is expediently provided, in which the washing roller is arranged and which each has a separate opening for the first and has the second angular range of the peripheral surface of the washing roller.
  • these two openings are on two opposite sides of the Housing be arranged. If the two cylinders to be cleaned are one above the other the lower cylinder is in contact with the bottom the wash roller, and the top cylinder by contacting the top the washing roller cleaned, which was previously not considered possible.
  • Figure 1 which shows a device according to the invention in a schematic Shows a sectional view
  • a first cylinder 1 and a second cylinder 2 are indicated, which are arranged close to each other.
  • a washing roller 4 which is driven by a motor 5 is driven by a gear or belt, not shown.
  • a gear or belt not shown.
  • only one frame can also be provided.
  • Spray tubes 6 and 7 are arranged inside the housing 3, through which Cleaning fluids 8 and 9 are applied to the washing roller 4. Finally, there is a stripping device 10 for the washing roller in the housing 3 4 provided.
  • the washing roller 4 is arranged so that its axis of rotation is parallel to the axes of rotation the cylinder 1 and 2 is. Points below its axis of rotation the peripheral surface 13 of the washing roller 4 has a first angular range ⁇ in which it protrudes through an opening in the housing 3. With a (not shown) Mechanics can the housing 3 with the washing roller 4 at the first Cylinder 1 are employed that the peripheral surface 13 of the washing roller 4 in the first Angular range ⁇ maintains contact with the first cylinder 1 and cleans it.
  • the peripheral surface 13 points above the axis of rotation of the Washer roller 4 on a second angular range, in which the peripheral surface 13 through a second opening of the housing 3, which is opposite the first opening, protrudes beyond the housing 3 and for cleaning the second cylinder 2 can come into contact with it.
  • the device can be adjusted by a small linear movement of the housing 3 left, which the finger guard 11 does not participate in, at the same time the first cylinder 1 and the second cylinder 2 are turned on, whereby a
  • the two cylinders 1 and 2 are cleaned simultaneously: the washing roller 4 preferably rotates clockwise during the cleaning process, so that initially in the first angular range ⁇ deposits and contamination be loosened and lifted off on the first cylinder 1. Then in the second Angular range ⁇ the second cylinder 2 cleaned.
  • the spray tubes wet 6 and 7, the washing roller 4 with cleaning liquids 8 and 9, for example with water and a hydrocarbon.
  • the dirt picked up by the washing roller 4 from the first cylinder 1 and the second cylinder 2 is then stripped on the stripping device 10 and splashes tangentially away from the peripheral surface 13 of the washing roller 4; he will collected in the drip pan 12 and derived from there.
  • the housing 3 is returned to that shown in FIG Rested position.
  • housing 3 perform a slight pendulum movement, so that the peripheral surface 13 of the washing roller 4 alternately in contact with the first Cylinder 1 or the second cylinder 2 comes.
  • the finger guard remains 11 with the sump 12 also stationary.
  • FIG. 2 shows the installation situation of two devices according to the invention Washing rollers 4, 4 'and finger guards 11, 11' in an H printing unit 14 an offset printing machine.
  • a printing material web is formed 15 passed and from two first blanket cylinders 16 and 16 'and printed by two second blanket cylinders 17 and 17'.
  • the Blanket cylinders 16, 16 ', 17, 17' are first printing plate cylinders 18 and 18 'and second printing plate cylinders 19 and 19' assigned.
  • Figure 2 illustrates the cramped space in an H-printing unit 14, especially if you keep in mind that the printing plate cylinders 18, 18 ', 19, 19' need to be fitted with new printing plates from time to time, what considerable space in the area of the adjacent blanket cylinder 16, 16 ', 17, 17' claimed.
  • the washing rollers 4 are in the space between the first blanket cylinder 16 and the second blanket cylinder 17 or the first blanket cylinder 16 'and the second blanket cylinder 17 'and only protrude with their finger guards 11 from the outside accessible space of the H printing unit 14.
  • FIG. 3 shows a second exemplary embodiment, corresponding to the representation in FIG. 1 of the invention:
  • the washing roller 4 is in turn in a housing 3 arranged, in which there are also two spray tubes 6 and 7 and one Scraper device 10 are.
  • the motor 5 for driving the washing roller 4 is However, this is not upstream, but arranged coaxially with it. How immediate from Figure 3, the installation space is necessary for this device is again reduced compared to the exemplary embodiment according to FIG. 1 been.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (11)

  1. Dispositif de nettoyage des cylindres d'une presse à imprimer,
    avec un rouleau laveur (4) entraíné, dont l'axe de rotation est parallèle à l'axe de rotation d'un premier cylindre (1) à nettoyer, et dont la surface périphérique (13) présente une première zone angulaire (ϕ), prévue pour le contact avec le premier cylindre (1), ainsi qu'une seconde zone angulaire (ψ), décalée par rapport à la première zone angulaire (ϕ) et prévue pour le contact avec un second cylindre (2) limitrophe au premier cylindre (1),
    avec un moteur (5) pour l'entraínement du rouleau laveur (4),
    avec des moyens (6, 7) pour l'aspersion du rouleau laveur (4) par des liquides de nettoyage, et
    avec un dispositif de raclage (10) pour le rouleau laveur (4),
    caractérisé en ce que
    l'axe de rotation du rouleau laveur (4) se situe entre le plan tangent commun des surfaces d'enveloppe des deux cylindres (1, 2) et le plan de jonction des axes de rotation des deux cylindres (1, 2), et en ce que
    le moteur (5) est disposé dans l'axe du rouleau laveur (4) ou, en direction du plan de jonction des axes de rotation des deux cylindres (1, 2), à côté de l'axe de rotation du rouleau laveur (4).
  2. Dispositif suivant la revendication 1, caractérisé en ce que le dispositif comporte une cuve réceptrice (12).
  3. Dispositif suivant la revendication 2, caractérisé en ce que la cuve réceptrice (12) est formée par une tôle protège-doigts (11) spécialement formée.
  4. Dispositif suivant l'une des revendications 1 à 3, caractérisé en ce que le rouleau laveur (4) est disposé de sorte qu'il est simultanément au contact du premier cylindre (1) et du second cylindre (2) pendant l'opération de nettoyage.
  5. Dispositif suivant l'une des revendications 1 à 3, caractérisé en ce que le rouleau laveur (4) est associé à un mécanisme de déplacement, qui fait que le rouleau laveur (4) est sélectivement au contact du premier cylindre (1) ou du second cylindre (2) pendant l'opération de nettoyage.
  6. Dispositif suivant l'une des revendications 1 à 5, caractérisé en ce que le premier cylindre (1) et le second cylindre (2) sont deux blanchets en caoutchouc (16, 16', 17, 17') dans une unité d'impression en H (14) d'une presse offset.
  7. Dispositif suivant l'une des revendications 1 à 6, caractérisé en ce que le rouleau laveur (4) est un rouleau à brosses.
  8. Dispositif suivant l'une des revendications 1 à 6, caractérisé en ce que le rouleau laveur (4) est muni d'une garniture de lavage fixe ou interchangeable.
  9. Dispositif suivant l'une des revendications 1 à 8, caractérisé en ce que le dispositif de raclage (10) est disposé au-dessus de l'axe de rotation du rouleau laveur (4).
  10. Dispositif suivant l'une des revendications 1 à 9, caractérisé en ce qu'un moyen séparé (6, 7) pour l'aspersion par des liquides de lavage (8, 9) est respectivement associé à la première zone angulaire (ϕ) et à la seconde zone angulaire (ψ).
  11. Dispositif suivant l'une des revendications 1 à 10, caractérisé en ce que le rouleau laveur (4) est disposé dans un carter (3), muni d'une ouverture séparée respective pour la première et pour la seconde zone angulaire (ϕ, ψ) de la surface périphérique (13) du rouleau laveur (4).
EP97113102A 1997-07-30 1997-07-30 Dispositif de nettoyage des cylindres d'une presse à imprimer Expired - Lifetime EP0909648B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP97113102A EP0909648B1 (fr) 1997-07-30 1997-07-30 Dispositif de nettoyage des cylindres d'une presse à imprimer
AT97113102T ATE185318T1 (de) 1997-07-30 1997-07-30 Vorrichtung zum reinigen von zylindern einer druckmaschine
ES97113102T ES2138421T3 (es) 1997-07-30 1997-07-30 Dispositivo para la limpieza de cilindros de una maquina impresora.
DK97113102T DK0909648T3 (da) 1997-07-30 1997-07-30 Indretning til rengøring af cylindre til en trykkerimaskine
DE59700542T DE59700542D1 (de) 1997-07-30 1997-07-30 Vorrichtung zum Reinigen von Zylindern einer Druckmaschine
CZ982371A CZ237198A3 (cs) 1997-07-30 1998-07-27 Zařízení k čištění válců tiskového stroje
JP10211009A JPH11147309A (ja) 1997-07-30 1998-07-27 印刷機の胴を洗浄する装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97113102A EP0909648B1 (fr) 1997-07-30 1997-07-30 Dispositif de nettoyage des cylindres d'une presse à imprimer

Publications (2)

Publication Number Publication Date
EP0909648A1 EP0909648A1 (fr) 1999-04-21
EP0909648B1 true EP0909648B1 (fr) 1999-10-06

Family

ID=8227145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97113102A Expired - Lifetime EP0909648B1 (fr) 1997-07-30 1997-07-30 Dispositif de nettoyage des cylindres d'une presse à imprimer

Country Status (7)

Country Link
EP (1) EP0909648B1 (fr)
JP (1) JPH11147309A (fr)
AT (1) ATE185318T1 (fr)
CZ (1) CZ237198A3 (fr)
DE (1) DE59700542D1 (fr)
DK (1) DK0909648T3 (fr)
ES (1) ES2138421T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004062114B4 (de) * 2004-12-23 2015-04-16 Koenig & Bauer Aktiengesellschaft Verfahren zum Reinigen mehrerer Zylinder eines Druckwerkes einer Druckmaschine
DE102008001542B4 (de) * 2008-05-05 2010-12-30 Koenig & Bauer Aktiengesellschaft Walzenreinigungsvorrichtung einer Offsetdruckmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1150098B (de) * 1960-03-04 1963-06-12 Elmer C Grembecki Vorrichtung an einer Druckmaschine zum Reinigen der Mantelflaeche eines Druckzylinders
FR1351365A (fr) * 1961-05-06 1964-02-07 Roto Service Dispositif de nettoyage et de lavage automatique pour machines offset
US3309993A (en) * 1965-01-26 1967-03-21 Oxy Dry Internat Ltd Printing cylinder cleaner
DE4326833B8 (de) * 1993-08-10 2005-05-25 Baldwin Germany Gmbh Druckmaschinenzylinder-Waschvorrichtung
DE19526574C1 (de) * 1995-07-20 1996-10-17 Roland Man Druckmasch Verfahren und Vorrichtung zum Waschen eines Formzylinders und einer zugeordneten Auftragwalze in einer Druckmaschine
DE29516976U1 (de) * 1995-10-26 1995-12-21 MAN Roland Druckmaschinen AG, 63075 Offenbach Waschvorrichtung zur Reinigung von Zylindern eines Offsetdruckwerkes

Also Published As

Publication number Publication date
DK0909648T3 (da) 2000-01-31
JPH11147309A (ja) 1999-06-02
EP0909648A1 (fr) 1999-04-21
DE59700542D1 (de) 1999-11-11
CZ237198A3 (cs) 1999-03-17
ES2138421T3 (es) 2000-01-01
ATE185318T1 (de) 1999-10-15

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