EP1759847B1 - Dispositif de nettoyage d'une machine d'impression, système de distribution de liquide et sa soupape de distribution - Google Patents

Dispositif de nettoyage d'une machine d'impression, système de distribution de liquide et sa soupape de distribution Download PDF

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Publication number
EP1759847B1
EP1759847B1 EP20060118786 EP06118786A EP1759847B1 EP 1759847 B1 EP1759847 B1 EP 1759847B1 EP 20060118786 EP20060118786 EP 20060118786 EP 06118786 A EP06118786 A EP 06118786A EP 1759847 B1 EP1759847 B1 EP 1759847B1
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EP
European Patent Office
Prior art keywords
valve
closing element
liquid
distribution system
flow path
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.)
Active
Application number
EP20060118786
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German (de)
English (en)
Other versions
EP1759847A2 (fr
EP1759847A3 (fr
Inventor
Thorsten Schmutz
Arnold Gold
Jürgen Köhn
Siegbert Nadolny
Martin Maier
Jörgen Hellborg
Frank Mansson
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
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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 EP1759847A2 publication Critical patent/EP1759847A2/fr
Publication of EP1759847A3 publication Critical patent/EP1759847A3/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
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86879—Reciprocating valve unit

Definitions

  • the invention relates to a printing machine cleaning device for cleaning cylinders and rollers of printing machines, in particular offset printing machines.
  • the invention further relates to a fluid system for a printing machine cleaning device and a distributor valve for such a fluid system.
  • a basic idea of the present invention is to segment a liquid dispensing device 36, which is provided for dispensing liquid onto a washcloth of a printing press cleaning device 6 or onto a rotary body of a printing press, into at least two, preferably at least three or more, liquid dispensing segments 38.
  • Another basic idea of the invention is to uniformly supply the fluid delivery segments 38 thus formed with liquid.
  • the Fig. 1 shows an exemplary embodiment of a distribution valve according to the invention 2 of a fluid system 4 of a printing machine cleaning device 6.
  • a printing machine cleaning device 6 in the context of this invention is designed for cleaning of rotational bodies, such as cylinders or rollers of a printing press, in particular an offset printing press.
  • a liquid for a printing machine cleaning device 6 may be, for example, fresh water, washing liquid, UV washing liquid, solvent or a mixture or emulsion of two or more of the aforementioned substances. All materials of the distributor valve 2 coming into contact with the liquid are formed from materials resistant to the corresponding liquid.
  • the distribution valve 2 includes an inlet 8, at least two outlets 10, a closure member 12, and a closure member seat 14.
  • the distribution valve 2 includes at least three outlets 10, for example four outlets 10, as in FIG Fig. 1 shown.
  • the closure member 12 cooperates with the closure member seat 14 in a closed position to fluidly separate the at least two outlets 10 from the inlet 8. In an open position 16 of the closing element 12, the at least two outlets 10 are fluidly connected to the inlet 8.
  • the closure member 12 cooperates with the closure member seat 14, ie, the closure member 12 and the closure member seat 14 are configured and arranged to fluidly separate the at least two outlets 10 from the inlet 8, respectively.
  • the closure member 12 cooperates with the closure member seat 14, ie, the closure member 12 and the closure member seat 14 are configured and arranged to fluidly connect the at least two outlets 10, respectively, to the inlet 8.
  • the distributor valve according to the invention ensures that by opening the distributor valve, d. H. by bringing in the open position of the closing element, for a certain period, through each of the outlets 10, the same amount of liquid dispensed (dosed) is. This ensures process-reliable media and spray distribution.
  • each of the outlets 10 extends away from a valve bottom 18.
  • the closing element 12 is movable towards the valve bottom 18 in the closed position in the direction of the valve bottom 18 away in the open position 16 movable.
  • the valve bottom 18 may have a projection 20 in the direction of the closing element 12 in the region of the outlets 10, as in FIG Fig. 1 shown.
  • the valve bottom 18 may be planar (not shown).
  • the closure member seat 14 preferably extends completely around the at least two outlets 10.
  • the outlets 10 may be arranged in a line or in any other arrangement.
  • the closing element seat 14 is in Fig. 1 formed by a projection 22 which extends from the valve bottom 18 in the direction of the closing element 12.
  • the projection 22 forming the closure member seat 14 may have a wedge-shaped cross section, as in FIG Fig. 1 shown.
  • the closing element seat 14 may be formed by a flat valve bottom part, for example by the valve bottom part of the projection 20.
  • the closing element seat 14 may be rigid at least in a part lying opposite the closing element 12, for example made of a stiff material, while the closing element 12 is designed to be elastic at least in a part lying opposite the closing element seat 14, for example being formed from an elastically compressible material.
  • the closing element seat 14 may be formed entirely of the rigid material and the closing element 12 may be formed in the closing member seat 14 opposite part 24 of the elastically compressible material, here by an elastic insert.
  • the closing element seat 14 may be designed to be elastic at least in a part lying opposite the closing element 12, for example being formed from the elastically compressible material, while the closing element 12 is rigid at least in a part lying opposite the closing element seat 14, for example being formed from the rigid material (not shown).
  • a rigid material may be, for example, a metal or a hard plastic, in particular Plexiglas.
  • An elastically compressible material may be, for example, a soft plastic or rubber.
  • the closing element 12 has in the in Fig. 1 illustrated embodiment, a piston 26 which is arranged in a sleeve formed by a valve wall 28.
  • a piston 26 which is arranged in a sleeve formed by a valve wall 28.
  • the valve wall 28 is connected to the valve bottom 18, for example screwed or formed integrally with the valve bottom 18.
  • the sleeve formed by the valve wall 28 is cylindrical in the illustrated embodiment with a circular cross-section.
  • the closure member 12 may further comprise a flexible membrane or be formed of a flexible membrane. Further, the closure member 12 may be formed in any other suitable manner.
  • an arbitrary actuating device 30 for producing the open position 16 and the closed position can be provided.
  • the actuator 30 may be, for example, a commercially available solenoid valve.
  • the actuator may be pneumatically, hydraulically, mechanically actuated, for example.
  • the exemplary actuator 30 in FIG Fig. 1 includes an elastically compressible element (not shown), for example, a spring which biases the distribution valve 2 in the closed position. From a coil assembly 32 of the actuator 30, a magnetic field is generated, which acts on a magnetizable or permanent magnetic material of the actuator 30, which is arranged on or in the closing element 12 or formed by the closing element 12, and the closing element 12 against the biasing force of the elastically compressible Elements in the in Fig. 1 shown open position 16 urges.
  • the piston 26 may be formed of magnetizable material.
  • the inlet 8 of the distribution valve 2 may be formed in the valve wall 28.
  • the inlet 8 includes at least one inlet opening, for example a single inlet opening 34, as in FIG Fig. 1 shown. Notwithstanding the illustrated embodiment, the at least one inlet opening may be arranged differently.
  • the liquid system 4 comprises a liquid dispensing device 36, for example a spray tube or a membrane of a wash cloth setting element, each having at least two liquid dispensing segments 38 for dispensing liquid.
  • the liquid delivery segments 38 are preferably arranged so that when the printing machine cleaning device 6 is properly positioned in a printing press, the liquid delivery segments 38 are distributed across the width of a cylinder or a roll of the printing press.
  • the liquid delivery segments 8 may, for example, have a length between 5 cm and 50 cm, preferably between 10 cm and 30 cm, in particular of 20 cm.
  • the dispensing or spraying of the liquid through the liquid dispensing segments 38 takes place by the media pressure.
  • the fluid delivery segments 38 may be formed, for example, by appropriately arranged plugs in the spray tube or in the membrane.
  • the fluid system 4 further includes a distribution valve 2, wherein from the at least two outlets 10 of the distribution valve 2 each of the liquid delivery segments 38 is assigned a separate outlet 10 and each outlet 10 of the distribution valve 2 is fluidly connected to its associated liquid delivery segment 38 via a separate outlet flow path 40 , as in Fig. 2 shown.
  • each outlet 10 of the distributor valve 2 with its associated liquid dispensing segment 38 may be fluidly connectable via a separate outlet flow path 40.
  • the distribution valve 2 is fluidly connected or connectable to the liquid source 44 via an inlet flow path 42 which extends between the inlet 8 of the distribution valve 2 and a liquid source 44.
  • a fluid source 44 may be a pressurized fluid source, such as a pressure vessel 46, as in FIG Fig. 2 represented, for example, or a pressure fluid connection.
  • Pressure vessel 46 is the liquid to be metered by the distributor valve 2, the so-called medium pressure acted upon to promote the liquid through the distribution valve 2 to the liquid dispensing device 36 and dispensed liquid through liquid discharge openings with the distribution valve 2 open.
  • Each fluid delivery segment 38 includes at least one fluid delivery port, such as a single fluid delivery port. Further, each fluid delivery segment 38 may include a plurality of fluid delivery ports.
  • At least one further printing machine cleaning device 6 with a distributor valve 2 according to the invention can be connected to the pressure vessel 2, as in FIG Fig. 2 shown.
  • three or more printing machine cleaning devices 6 may be connected to the pressure vessel.
  • the printing machine cleaning device 6 and the at least one further printing machine cleaning device 6 can be arranged in different printing units.
  • each liquid system 4 can have at least one further, for example a single further distributor valve 2-1, which according to the invention is preferably designed in accordance with the one distributor valve 2, as in FIG Fig. 3 shown.
  • each of the liquid delivery segments 38 of the liquid delivery device 36 is associated with its own outlet 10 and each outlet 10 of the further distribution valve 2-1 is fluidly connected to its associated liquid delivery segment 38 via a separate outlet flow path 40.
  • each liquid delivery segment 38 is connected via its own outlet flow path 40 to two distribution valves 2, 2-1.
  • Each of the two distribution valves 2, 2-1 is preferably fluidly connected to another fluid source 44 or fluidly connectable.
  • one distributor valve 2 can be fluidically connectable to a first fluid source 48, for example a UV wash fluid source, and the further distributor valve 2-1 can be connected to a second fluid source 50, for example one Water source, in particular a water pressure line to be fluidly connected. Consequently, depending on which of the distribution valves 2, 2-1 is opened, each liquid delivery segment 38 of the liquid delivery device 36 can emit either water or, for example, UV washing liquid.
  • the change between the liquid of the first liquid source 48 and the liquid of the second liquid source 50 is possible in a short time interval. This is especially important in washing programs with water and detergent.
  • a separate distribution valve and a separate liquid dispensing device 36 associated with the distribution valve in question may be provided for each liquid.
  • at least one further liquid dispensing device can be provided, wherein from the at least two outlets 10 of a further distributor valve, for example the one further distributor valve 2-1, each of the liquid dispensing segments of the further liquid dispenser is assigned its own outlet 10 and each outlet 10 of the further distributor valve 2- 1 is fluidly connected to its associated fluid delivery segment via a separate outlet flow path.
  • each of the outlet flow paths of a distribution valve 2, 2-1 for the liquid in question have a substantially identical flow resistance.
  • the illustrated fluid system 4 further includes a valve assembly 52 having a valve assembly outlet flowpath 54 and at least two valves, such as a first valve 56 and a second valve 58.
  • the valves 56, 58 of the valve assembly 52 are selectively fluidly connectable to the valve assembly outlet flow path 54.
  • the valve assembly outlet flow path 54 of the valve assembly 52 is fluidly connected or fluidly connectable to the inlet 8 of the distribution valve 2.
  • the inlet flow path 42 between the distribution valve 2 and the first liquid source 48 may, for example, include a first separate inlet flow path section 60, 62 between the valve arrangement outlet flow path 54 and the first liquid source 48 and a common inlet flow path section 64 between the valve assembly outlet flow path 54 and the inlet 8 the valve device 2 have.
  • the first separate inlet flowpath may include a stub 60 and a loop 62 fluidly connected thereto.
  • the inlet flow path 42 between the distribution valve 2-1 and the second liquid source 50, here for water, may have, for example, a stub 68 and a loop 70 connected thereto as inlet flow path sections.
  • the inlet flow path 42 between the distribution valve 2 and a third liquid source 66 may, for example, include a second separate inlet flow path section 72, 74 between the valve arrangement outlet flow path 54 and the third liquid source 66, and the common inlet flow path section 64.
  • the second separate inlet flowpath may include a stub 72 and a loop 74 fluidly connected thereto.
  • valve assembly 52 is a distribution valve 2 in Fig. 3 optionally, by switching the valve assembly 52, for metering conventional washing liquid or UV washing liquid operable.
  • valve assembly 52 there is a blower 76, for example, with a pressurized gas source 78 and a valve 80 for communicating the source of pressurized gas with the valve assembly outlet flow path 54 for purging of liquid from the valve assembly outlet flow path 54 and an adjoining flow path, here the common inlet flow path section 64, the distribution valve 2, the outlet flow paths 40 of the distribution valve 2 and the liquid discharge device 36.
  • a blower 76 for example, with a pressurized gas source 78 and a valve 80 for communicating the source of pressurized gas with the valve assembly outlet flow path 54 for purging of liquid from the valve assembly outlet flow path 54 and an adjoining flow path, here the common inlet flow path section 64, the distribution valve 2, the outlet flow paths 40 of the distribution valve 2 and the liquid discharge device 36.
  • valve devices 52 or further distribution valves 2 may be connected.
  • the arrangement of the constituents of the liquid system 4 according to the invention can be adapted as desired to the specific requirements.
  • certain parts of the fluid system 4 according to the invention for example the valve arrangement 52, can be arranged in a supply device 82 for a printing machine cleaning device 6, whereas other parts of the fluid system 4, in particular the distribution valve 2, 2-1 in the printing machine cleaning device 6 or on a printing unit, the the printing machine cleaning device 6 is assigned, can be arranged.
  • the valve assembly 52 may be arranged in the printing machine cleaning device 6.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Cleaning In General (AREA)
  • Multiple-Way Valves (AREA)
  • Magnetically Actuated Valves (AREA)

Claims (7)

  1. Système de liquide (4) d'un dispositif de nettoyage d'une machine d'impression (6) comprenant un système de distribution de liquide (36) avec au moins deux segments de distribution de liquide (38) respectifs pour distribuer du liquide sur un chiffon de lavage du dispositif de nettoyage d'une machine d'impression (6) ou sur un corps rotatif d'une machine d'impression, sachant que le système de liquide (4) présente au moins une soupape de distribution (2, 2-1), laquelle comprend une admission (8), au moins deux échappements (10) s'éloignant d'un fond de soupape (18) commun, un élément de fermeture (12) et un siège d'élément de fermeture (14), sachant que chaque segment de distribution de liquide (38) des au moins deux échappements (10) de la soupape de distribution (2, 2-1) est associé à un échappement (10) propre, et chaque échappement (10) de la soupape de distribution (2, 2-1) est ou peut être relié de façon fluidique avec son segment de distribution de liquide (38) associé par un trajet d'écoulement d'échappement (40) séparé,
    sachant que l'élément de fermeture (12) coopère avec le siège d'élément de fermeture (14) pour à chaque fois séparer simultanément les au moins deux échappements (10) de façon fluidique de l'admission (8), respectivement pour les relier simultanément de façon fluidique à l'admission (8), sachant que l'élément de fermeture (12) peut être déplacé en direction du fond de soupape (18) dans une position de fermeture dans laquelle l'élément de fermeture (12) coopère avec le siège d'élément de fermeture (14) pour séparer les au moins deux échappements (10) de façon fluidique de l'admission (8) et sachant que l'élément de fermeture (12) peut être déplacé dans une direction à l'écart du fond de soupape (18) dans une position ouverte (16) dans laquelle les au moins deux échappements (10) sont reliés de façon fluidique à l'admission (8).
  2. Système de liquide (4) selon la revendication 1,
    dans lequel le siège d'élément de fermeture (14) s'étend complètement autour des au moins deux échappements (10).
  3. Système de liquide (4) selon la revendication 1 ou 2,
    dans lequel le siège d'élément de fermeture (14) est formé de manière rigide au moins dans une partie faisant face à l'élément de fermeture (12) et l'élément de fermeture (12) est formé de manière élastique au moins dans une partie faisant face au siège d'élément de fermeture (14), ou inversement.
  4. Système de liquide (4) selon l'une des revendications précédentes,
    dans lequel une première soupape de distribution (2) et au moins une autre soupape de distribution (2-1) sont prévues, sachant que chaque segment de distribution de liquide (38) des au moins deux échappements (10) de l'autre soupape de distribution (2-1) est associé à un échappement (10) propre ; sachant que chaque échappement (10) de l'autre soupape de distribution (2-1) est ou peut être relié de façon fluidique avec son segment de distribution de liquide (38) associé, par un trajet d'écoulement d'échappement (40) séparé.
  5. Système de liquide (4) selon l'une des revendications précédentes, dans lequel les trajets d'écoulement d'échappement de chaque soupape de distribution (2, 2-1) présentent respectivement une résistance à l'écoulement essentiellement identique pour le liquide concerné.
  6. Système de liquide (4) selon l'une des revendications précédentes, présentant en outré :
    un agencement de soupapes (52) avec un trajet d'écoulement d'échappement de l'agencement de soupapes (54) et au moins deux soupapes qui peuvent être reliées au choix de façon fluidique avec le trajet d'écoulement d'échappement de l'agencement de soupapes (54), sachant que le trajet d'écoulement d'échappement de l'agencement de soupapes (54) de l'agencement de soupapes (52) est ou peut être relié de façon fluidique à l'admission (8) de la soupape de distribution (2) ; et un dispositif de soufflage (76) pour souffler le liquide hors du trajet d'écoulement d'échappement de l'agencement de soupapes (54) et un trajet d'écoulement (42, 2, 40, 36) se raccordant dessus.
  7. Dispositif de nettoyage d'une machine d'impression (6) comprenant un système de liquide (4) selon l'une des revendications précédentes.
EP20060118786 2005-09-06 2006-08-11 Dispositif de nettoyage d'une machine d'impression, système de distribution de liquide et sa soupape de distribution Active EP1759847B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510042300 DE102005042300A1 (de) 2005-09-06 2005-09-06 Druckmaschinenreinigungsvorrichtung, Flüssigkeitssystem und Verteilerventil dafür

Publications (3)

Publication Number Publication Date
EP1759847A2 EP1759847A2 (fr) 2007-03-07
EP1759847A3 EP1759847A3 (fr) 2008-07-23
EP1759847B1 true EP1759847B1 (fr) 2011-05-04

Family

ID=37441578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060118786 Active EP1759847B1 (fr) 2005-09-06 2006-08-11 Dispositif de nettoyage d'une machine d'impression, système de distribution de liquide et sa soupape de distribution

Country Status (4)

Country Link
US (1) US20070051413A1 (fr)
EP (1) EP1759847B1 (fr)
JP (1) JP2007071393A (fr)
DE (2) DE102005042300A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110006070A1 (en) * 2009-07-09 2011-01-13 Helgesen Design Services, Llc Fluid Tank Having Integrated Shut-Off
JP6497499B2 (ja) * 2014-10-31 2019-04-10 Toto株式会社 湯水混合水栓装置
EP4300097A1 (fr) * 2022-06-27 2024-01-03 C. Gerhardt GmbH & Co. KG Dispositif soupape, dispositif d'adsorption et procédé permettant de faire fonctionner un dispositif d'adsorption

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US2877791A (en) * 1955-08-15 1959-03-17 Fisher Governor Co Flexible diaphragm flow control valve
US3219063A (en) * 1963-05-14 1965-11-23 Powers Regulator Co Valve with increased flow area
HU172585B (hu) * 1969-05-12 1978-10-28 Medicor Muevek Ehlektro-pnevmaticheskij perekljuchatel'nyj klapan dlja malomohhnykh pnevmaticheskukh sistem
DE7003943U (de) * 1970-02-05 1970-08-13 Brown Boveri Krupp Reacktorbau Einrichtung zum schnellen absperren einer drucksicheren rohrleitung mit grossem durchsatz.
US3729025A (en) * 1970-08-31 1973-04-24 Bendix Corp Solenoid valve with stroke insensitive port
US3792720A (en) * 1970-11-27 1974-02-19 Sybron Corp Diaphragm valve
US3853268A (en) * 1971-03-11 1974-12-10 Rau Fa G Temperature responsive valves
IT1000919B (it) * 1973-01-18 1976-04-10 Rau Swf Autozubehoer Valvola magnetica
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US5213044A (en) * 1990-11-30 1993-05-25 Como Technologies, Incorporated Method and apparatus for use in printing
JP2805678B2 (ja) * 1995-04-03 1998-09-30 株式会社東京機械製作所 印刷機のダンプニング装置
US6019346A (en) * 1998-03-06 2000-02-01 Miller; Kenneth L. Piezo-actuated high response valve
JP2002103571A (ja) * 2000-10-05 2002-04-09 Koike Seisakusho:Kk ブランケット胴洗浄装置におけるノズル構成
JP3734221B2 (ja) * 2002-06-28 2006-01-11 株式会社東京機械製作所 ベアラー清掃装置
DE202004001174U1 (de) * 2004-01-27 2004-04-08 Man Roland Druckmaschinen Ag Versorgungseinrichtung für eine Reinigungsvorrichtung in einer Verarbeitungsmaschine
DE502005007747D1 (de) * 2005-05-02 2009-09-03 Baldwin Oxy Dry Gmbh Reinigungssystem für Zylinderoberflächen einer Druckmaschine

Also Published As

Publication number Publication date
EP1759847A2 (fr) 2007-03-07
EP1759847A3 (fr) 2008-07-23
DE102005042300A1 (de) 2007-03-08
US20070051413A1 (en) 2007-03-08
DE502006009429D1 (de) 2011-06-16
JP2007071393A (ja) 2007-03-22

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