EP1535737B1 - Machine d'impression offset avec dispositif de nettoyage pour celle-ci - Google Patents

Machine d'impression offset avec dispositif de nettoyage pour celle-ci Download PDF

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Publication number
EP1535737B1
EP1535737B1 EP20040020446 EP04020446A EP1535737B1 EP 1535737 B1 EP1535737 B1 EP 1535737B1 EP 20040020446 EP20040020446 EP 20040020446 EP 04020446 A EP04020446 A EP 04020446A EP 1535737 B1 EP1535737 B1 EP 1535737B1
Authority
EP
European Patent Office
Prior art keywords
washing
liquid
printing press
dampening
bar
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 - Fee Related
Application number
EP20040020446
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German (de)
English (en)
Other versions
EP1535737A1 (fr
Inventor
Jürgen Köhn
Bernhard Grinzinger
Georg Manger
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.)
Baldwin Germany GmbH
Original Assignee
Baldwin Germany GmbH
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Filing date
Publication date
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Application filed by Baldwin Germany GmbH filed Critical Baldwin Germany GmbH
Publication of EP1535737A1 publication Critical patent/EP1535737A1/fr
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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

Definitions

  • the invention relates to an offset printing machine with a printing machine cleaning device according to the preamble of the independent claims.
  • the EP 1 092 534 A1 a supply cabinet for supplying a dampening water offset printing machine with dampening water for a plate cylinder and with cleaning water for cleaning a rotating printing press cylinder or a rotating printing press roll, hereinafter generally called rotary body.
  • the cleaning water may be fresh water or a proportion of this fountain solution removed from the fountain solution.
  • the supply cabinet can be positioned directly on the press or at a distance from it.
  • the cleaning liquid can be sprayed onto the rotating body to be cleaned or preferably onto a cleaning element.
  • the cleaning element may be a washcloth or a washing brush or the like wiping element.
  • Washing bar with a washing cloth for wiping off dirt on printing press rotary bodies are from US 4,344,361 and the WO 01/51285 A1 known. From the EP 0 699 525 B1 It is known to removably position a supply cabinet containing a tempering device for printing press tempering in the printing press or under a surrounding catwalk.
  • the EP 0 602 312 A1 shows a chiller, which tempered both dampening and tempering.
  • wet offset printing machines also called fountain solution offset printing machines
  • dry offset printing machines so-called fountain solution is applied to the plate cylinder to form ink repellent areas.
  • the fountain solution is transferred from a fountain solution applicator on dampening rollers of a dampening unit and from this to the plate cylinder.
  • the fountain solution applicator may include a water box from which the dampening system takes over fountain solution, or a spray tube having a plurality of nozzles through which dampening water is sprayed onto a dampening roller.
  • the operation of the printing machine cleaning device and its supply of cleaning liquid is automatically controlled or controlled by an electronic control device.
  • the problem to be solved is to reduce the number and / or the length of the pipes, through which the cleaning device cleaning liquid can be fed.
  • Fig. 1 shows a printing machine 2 with one or more printing units 4, which each have a plate cylinder 6, a blanket cylinder 8, an impression cylinder 10, an inking unit 12 with inking rollers for applying ink to the plate cylinder 6 and a dampening unit 14 with dampening rollers for applying fountain solution from a Dampening fountain box 16 on the plate cylinder 6 contains.
  • the invention is not limited to this embodiment of a wet offset printing machine illustrated by way of example only.
  • a nozzle device for applying dampening water to the rollers of the dampening unit 14 may be provided instead of the fountain solution box 16, a nozzle device for applying dampening water to the rollers of the dampening unit 14 may be provided.
  • the fountain solution 18 is conditioned in a fountain solution tank 20 and fed via a feed line 22 to the fountain solution box 16. Excess, not required by the dampening unit 14 fountain solution is returned via a return line 24 back into the fountain solution tank 20.
  • the promotion of the fountain solution can be done by gravity or by one or more pumps, of which a pump 26 is shown as an example.
  • the fountain solution consists of fresh water and additives such as alcohol or alcohol substitute or other additives to positively influence the printing process.
  • the fountain solution is tempered by a tempering, which is shown schematically at the reference numeral 28 and For example, it may include a refrigerant circuit that generates refrigeration by compressing and expanding a refrigerant.
  • a Temperier folkkeitsweg with a flow 30 and a return 32 from and to be tempered to a printing machine component which may be, for example, a cooling fan 36 for blowing tempered air on the plate cylinder 6 or on a roller of the inking unit 12 or a roller of the inking unit 12th may be, through which the tempering liquid is passed, in order to temper it from the inside.
  • the tempering device 28 and the fountain solution tank 20 are preferably located in a cabinet 36.
  • a washing bar 40 is carried by a washing beam support 42 in the printing machine 2 and contains a washing element, for example a brush or preferably a washing cloth 44, which can be adjusted and set down for cleaning a printing press cylinder or a printing press roll on the cylinder surface thereof.
  • a washing element for example a brush or preferably a washing cloth 44
  • Fig. 1 This is, for example, the blanket cylinder 8, which in Fig. 1 is shown twice only for illustrative reasons, as indicated by an arrow 46.
  • the washing cloth can be transported step by step by a cleaning cloth spindle 48 onto a dirty cloth spindle 50 via a pressing element 52. As a result, the pressure element 52 successively press other portions of the wash cloth to the cylinder to be cleaned or the roller to be cleaned.
  • the washing cloth 44 (or a washing brush or directly the rotating body to be cleaned, eg the blanket cylinder 8) can be moistened with cleaning liquid.
  • a connection means 54 is provided, through which a liquid dispenser 56 of the washing bar 40 with the dampening water path 22, 16, 24 at or near the dampening water application device, in this case the fountain solution box 16, fluidly connected or connectable, so that in the printing machine dampening water can be branched off from the dampening water path as cleaning liquid for the liquid dispensing device 56 of the washing bar 4.
  • the branch 58 is located in the fountain solution supply line 22 immediately adjacent to the fountain solution box 16.
  • the connecting device 54 includes a metering device for metered delivery of the branched liquid.
  • the metering device contains z. B. a metering chamber 60 for receiving a certain volume of the branched liquid and an ejection device for ejecting the liquid volume from the metering chamber.
  • the ejection device can have a piston arrangement or, according to a preferred embodiment, a compressed air supply device for ejecting the liquid volume by means of compressed air.
  • the compressed air supply device includes a compressed air line 62 of a compressed air source 64 and in this compressed air line 62, a valve assembly, such as a controllable open-close valve 66 and a check valve 68.
  • the metering chamber 60 is mounted in the printing press on the printing press or on the washing beam support 42 and can according to another embodiment may be provided on the washing bar 40. According to other embodiments of the invention, not shown, the liquid may be branched off from the supply line 22 and conveyed by its liquid pressure or conveyed by its own gravity, rather than by the said piston arrangement or said compressed air supply line.
  • the metering chamber 60 is connected via a valve device, preferably a controllable open-close valve 70 and a check valve 72 with the flow line 22 at said junction 58 with the flow line 22 fluidly connectable.
  • a valve device preferably a controllable open-close valve 70 and a check valve 72 with the flow line 22 at said junction 58 with the flow line 22 fluidly connectable.
  • the dampening water metering chamber 60 has only a very short supply line 73 and a short discharge line 75 to the liquid dispenser 56 by their location close to the fountain solution box 16 and close to the washing bar 40.
  • a detergent supply device 76 is additionally provided, which contains a metering device for the metered dispensing of detergent liquid through a liquid dispensing device 78.
  • the detergent liquid can be applied to the cylindrical surface of the rotating body to be cleaned, for. B. 8, or preferably on the cleaning element, for. As the wash cloth 44, are delivered.
  • the detergent liquid metering device 76 preferably includes a metering chamber 80 and an ejector, e.g. B. a piston assembly or preferably a compressed air supply means for ejecting the metered detergent liquid volume from the metering chamber 80 and on the element in question, preferably on the washing element 44.
  • the compressed air supply includes, for example, a controllable open-close valve 82 and a check valve 84 in a compressed air line 86 of the compressed air source 64 in this metering chamber 80th
  • the dosing chamber 80 of the detergent liquid receives detergent liquid via a valve device, such as a controllable open-close valve 88 and a check valve 90 from a reservoir 92.
  • the reservoir 92 is preferably higher than the metering chamber 80 is arranged in the printing machine 2, so that the detergent liquid through Gravity can flow into the dosing chamber 80 when the valve device 88, 90 is open.
  • the dosing 80 of the Detergent liquid is attached in the printing press 2 to the printing press or to the washing bar support 42. It could also be arranged on the washing bar 40. The closer the metering chamber 80 is arranged to the washing bar 40, the shorter its connecting line 94 to the liquid dispensing device 78.
  • An electronic control device 95 for controlling the controllable valve 66, 70, 82, 88 is preferably located in or on the cabinet 36.
  • Fig. 1 are shown for serving as a cleaning liquid fountain solution and for the washing liquid also serving as a cleaning liquid separate liquid dispensers 56 and 78.
  • a common liquid dispenser may also be provided.
  • FIG. 2 shows Fig. 2 the possibility of connecting the discharge lines 75 and 94 of the two metering chambers 60 and 80 via a connection point 96 and to connect the connection point 96 via a single connecting line 98 with a single liquid dispensing device 100 in terms of flow.
  • This also makes it possible to mix dampening solution and detergent liquid together and to use the mixture as a cleaning liquid.
  • these are preferably provided upstream of the connection point 96 with a controllable open-close valve 102 or 104 and / or with a check valve.
  • the supply line 73 for cleaning liquid is not at the dampening waterway 22, 16, 24 of the printing press, but at the Temperier essencekeitsweg 30, 32, 36, 12 of the printing press close to or at a to be tempered printing machine component 36, 12 at a Branch 58-1 connected or connectable.
  • This embodiment is in Fig. 1 by a drawn drawn supply line 73-1 at the junction 58-1 shown as an alternative.
  • part of the bath liquid as a cleaning liquid for the cleaning element 44 can be branched off at a location close to the washing bar 40. Removed liquid must be replaced again.
  • the Temperier deviskeitsweg may be an open or closed system.
  • the cleaning devices according to the invention are suitable for cleaning any type of rotary printing press cylinders and printing press rolls, in particular for cleaning the blanket cylinder, a plate cylinder, an impression cylinder, inking rollers and printing unit rollers.
  • the invention is particularly advantageous in combination with the use of guard cloths 44 which are pre-wetted with detergent to thereby achieve better cleaning of the cylinder surface.

Landscapes

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

Claims (11)

  1. Machine d'impression offset avec un dispositif de nettoyage de machine d'impression, la machine d'impression offset présentant une voie pour l'eau de mouillage (22, 16, 24) avec un dispositif d'application d'eau de mouillage pour appliquer de l'eau de mouillage (18) sur des rouleaux d'un dispositif de mouillage, l'eau de mouillage (18) étant traitée dans un récipient d'eau de mouillage (20) et étant acheminée par le biais d'une conduite d'amenée (22) à une caisse d'eau de mouillage (16) et l'eau de mouillage en excès étant ramenée par le biais d'une conduite de retour (24) dans le récipient d'eau de mouillage (20), et le dispositif de nettoyage présentant une poutre de lavage (40) qui est réalisée de manière à porter un élément de lavage (44) et qui présente un dispositif de distribution de liquide (56, 78 ; 100) pour distribuer du liquide de nettoyage, de sorte que la surface cylindrique d'un cylindre de machine d'impression rotatif (6, 8, 10) ou d'un rouleau de machine d'impression rotatif (12, 14) puisse être nettoyée par mouillage au moyen de l'élément de lavage (44),
    caractérisée en ce
    qu'il est prévu un dispositif de raccordement (54), par lequel le dispositif de distribution de liquide (56, 78 ; 100) dans la machine d'impression (2) est raccordé fluidiquement à la voie pour l'eau de mouillage (22, 16, 24) au niveau du dispositif de distribution de liquide ou à proximité de celui-ci, de sorte que de l'eau de mouillage (18) dans la machine d'impression (2) puisse être prélevée de la voie pour l'eau de mouillage (22, 16, 24) sous forme de liquide de nettoyage pour le dispositif de distribution de liquide (56, 78 ; 100) de la poutre de lavage (40).
  2. Machine d'impression offset avec un dispositif de nettoyage de machine d'impression, dans laquelle la machine d'impression offset présente une voie pour le liquide de mise en température (30, 32, 36, 6, 8, 10, 12, 14) pour du liquide de mise en température pour la mise en température d'un composant de la machine d'impression (6, 8, 10, 12, 14), le dispositif de nettoyage présentant une poutre de lavage (40) qui est réalisée pour porter un élément de lavage (44) et un dispositif de distribution de liquide (56, 78 ; 100) pour distribuer du liquide de nettoyage, de sorte que la surface cylindrique d'un cylindre de machine d'impression rotatif (6, 8, 10) ou d'un rouleau de machine d'impression rotatif (12, 14) puisse être nettoyée par mouillage au moyen de l'élément de lavage (44),
    caractérisée en ce que
    la voie pour le liquide de mise en température est pourvue d'une amenée (30) et d'un retour (32) allant au et partant du composant de la machine d'impression à mettre en température, et en ce qu'un dispositif de raccordement (54) est prévu, par le biais duquel le dispositif de distribution de liquide (56, 78 ; 100) est raccordé fluidiquement dans la machine d'impression (2) à la voie pour le liquide de mise en température (30, 32, 36, 6, 8, 10, 12, 14) au ou à proximité du composant de la machine d'impression (6, 8, 10, 12, 14), de sorte que de l'eau de mise en température servant de liquide de nettoyage pour le dispositif de distribution de liquide (56, 78 ; 100) de la poutre de lavage (40) puisse être prélevée dans la machine d'impression (2) de la voie pour le liquide de mise en température (30, 32, 36, 6, 8, 10, 12, 14).
  3. Machine d'impression offset selon au moins l'une quelconque des revendications précédentes,
    caractérisée en ce que
    le dispositif de raccordement (54) présente un dispositif de dosage (60, 62, 66, 68, 70, 72) pour la distribution dosée du liquide prélevé et en ce que ce dispositif de dosage peut être fixé ou est fixé à au moins l'une des parties "machine d'impression (2), poutre de lavage (40) ou support de poutre de lavage (42)".
  4. Machine d'impression offset selon la revendication 3,
    caractérisée en ce que
    le dispositif de dosage (54) présente une chambre de dosage (60) pour recevoir un volume déterminé du liquide prélevé et un dispositif d'éjection (62, 66, 68) pour éjecter ce volume de liquide hors de la chambre de dosage, la chambre de dosage (60) pouvant être fixée ou étant fixée à l'une des parties "machine d'impression (2), poutre de lavage (40) ou à un support de poutre de lavage (42)".
  5. Machine d'impression offset selon la revendication 4,
    caractérisée en ce que
    le dispositif d'éjection présente un dispositif d'alimentation en air comprimé (62, 66, 68) pour éjecter le volume de liquide dosé au moyen d'air comprimé.
  6. Machine d'impression offset selon au moins l'une quelconque des revendications précédentes,
    caractérisée en ce
    qu'il est prévu un dispositif d'alimentation en agent de lavage liquide (76), qui peut être fixé ou qui est fixé à au moins l'une des parties "machine d'impression (2), poutre de lavage (40) ou à un support de poutre de lavage ( 42 )", et qui est réalisé pour prélever de l'agent de lavage liquide d'un récipient de stockage (92) positionné sur ou dans la machine d'impression.
  7. Machine d'impression offset selon la revendication 6,
    caractérisée en ce que
    le dispositif d'alimentation en agent de lavage liquide (76) présente un dispositif de dosage (80, 82, 84, 88, 90) pour la distribution dosée de l'agent de lavage liquide, et en ce que ce dispositif de dosage en agent de lavage liquide (76) peut être fixé ou est fixé à l'une des parties "machine d'impression (2), poutre de lavage (40) ou à un support de poutre de lavage (42)".
  8. Machine d'impression offset selon la revendication 7,
    caractérisée en ce que
    le dispositif de dosage en agent de lavage liquide (76) présente une chambre de dosage (80) pour recevoir un volume déterminé de l'agent de lavage liquide et un dispositif d'éjection (82, 84) pour éjecter ce volume hors de la chambre de dosage, cette chambre de dosage (80) pouvant être fixée ou étant fixée à l'une des parties "machine d'impression (2), poutre de lavage (40) ou à un support de poutre de lavage (42)".
  9. Machine d'impression offset selon la revendication 8,
    caractérisée en ce que
    le dispositif d'éjection de l'agent de lavage liquide présente un dispositif d'alimentation en air comprimé (82, 84) pour éjecter le volume de liquide de lavage dosé hors de la chambre de dosage (80).
  10. Machine d'impression offset selon au moins l'une quelconque des revendications 7 à 9,
    caractérisée en ce que
    le récipient de stockage (92) peut être positionné ou est positionné plus haut que le dispositif de dosage d'agent de lavage liquide (76), de sorte que l'agent de lavage liquide puisse s'écouler sous l'effet de la pesanteur depuis le récipient de stockage dans le dispositif de dosage d'agent de lavage liquide.
  11. Machine d'impression offset selon au moins l'une quelconque des revendications précédentes,
    caractérisée en ce que
    l'élément de lavage (44) est une lavette, de préférence une lavette prémouillée avec un agent de lavage.
EP20040020446 2003-11-29 2004-08-27 Machine d'impression offset avec dispositif de nettoyage pour celle-ci Expired - Fee Related EP1535737B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10355909 2003-11-29
DE2003155909 DE10355909A1 (de) 2003-11-29 2003-11-29 Druckmaschinen-Reinigungseinrichtung

Publications (2)

Publication Number Publication Date
EP1535737A1 EP1535737A1 (fr) 2005-06-01
EP1535737B1 true EP1535737B1 (fr) 2011-07-20

Family

ID=34442364

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040020446 Expired - Fee Related EP1535737B1 (fr) 2003-11-29 2004-08-27 Machine d'impression offset avec dispositif de nettoyage pour celle-ci

Country Status (2)

Country Link
EP (1) EP1535737B1 (fr)
DE (1) DE10355909A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006047537B4 (de) 2006-10-07 2024-05-16 Sanofi-Aventis Deutschland Gmbh Verfahren und Vorrichtung zur Bestimmung der Position eines Stopfens einer Ampulle für ein Arzneimittel in einem medizinischen Gerät sowie deren Verwendung, ein entsprechendes medizinisches Gerät sowie Herstellung eines medizinischen Geräts
DE102009006268B4 (de) 2008-02-26 2017-12-14 Heidelberger Druckmaschinen Ag Verfahren zum Reinigen einer Mantelfläche eines Gummituchzylinders einer Nassoffsetdruckmaschine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4344361A (en) * 1979-04-19 1982-08-17 Baldwin-Gegenheimer Corporation Automatic blanket cylinder cleaner
DE3826222A1 (de) * 1988-08-02 1990-02-15 Roland Man Druckmasch Feuchtwerk
DE4202544A1 (de) * 1992-01-30 1993-08-05 Baldwin Gegenheimer Gmbh Druckplatten-temperierungssystem fuer eine druckmaschine
DE4216389A1 (de) * 1992-05-18 1993-11-25 Baldwin Gegenheimer Gmbh Druckwerks-Waschvorrichtung für Druckmaschinen
DE9413438U1 (de) * 1994-08-19 1995-06-22 Baldwin Gegenheimer Gmbh Druckmaschinen-Temperierungssystem
DE19949906A1 (de) * 1999-10-16 2001-04-19 Baldwin Grafotec Gmbh Druckmaschinen-Reinigungsvorrichtung
DE10000549A1 (de) * 2000-01-08 2001-07-12 Baldwin Grafotec Gmbh Waschbalken für Druckmaschinenzylinder
DE20113397U1 (de) * 2000-07-12 2001-11-29 Baldwin Grafotec Gmbh Druckmaschinen-Flüssigkeitsversorgungsgerät

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Publication number Publication date
EP1535737A1 (fr) 2005-06-01
DE10355909A1 (de) 2005-06-30

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