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EP0876223B1 - Procede et dispositif pour maintenir propres des nez de buses d'un dispositif de mouillage par pulverisation d'une rotative - Google Patents

Procede et dispositif pour maintenir propres des nez de buses d'un dispositif de mouillage par pulverisation d'une rotative Download PDF

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Publication number
EP0876223B1
EP0876223B1 EP97914064A EP97914064A EP0876223B1 EP 0876223 B1 EP0876223 B1 EP 0876223B1 EP 97914064 A EP97914064 A EP 97914064A EP 97914064 A EP97914064 A EP 97914064A EP 0876223 B1 EP0876223 B1 EP 0876223B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
mouthpiece
spray
ultrasound
vibration
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
EP97914064A
Other languages
German (de)
English (en)
Other versions
EP0876223A2 (fr
Inventor
Martin Heinz Schoeps
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0876223A2 publication Critical patent/EP0876223A2/fr
Application granted granted Critical
Publication of EP0876223B1 publication Critical patent/EP0876223B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter

Definitions

  • the invention relates to a method according to the Preamble of claim 1 and a device for Execution of the procedure.
  • US-A-42 41 656 discloses a self-cleaning nozzle of a spray dampening system for a rotary printing press.
  • EP 01 26 536 A2 describes a print head for one Inkjet printer. Using ultrasound excitation Paint container, nozzle plate and arranged in it Nozzle holes cleaned. The ultrasound excitation is activated during the cleaning process.
  • DE 31 08 541 A1 shows a device for generating a dampening solution mist for a dampening unit Offset printing machine, using a Ultrasonic atomizer.
  • the invention has for its object a method for keeping nozzle mouthpieces clean Spray dampening system and an associated facility create with which it is possible to spray one Spray dampening preventive maintenance without them to have to expand.
  • a nozzle unit 1 of a spray dampening system for Moistening objects especially one rotatable dampening cylinder, consists of a Nozzle housing 2, which by means of screws on a first sheet 4 of a vibration-damping plate 6 is attached. This is by means of screws on one Traverse 9 of a nozzle bar arranged.
  • the nozzle housing 2 has an interior e.g. B. Chamber 11 extending in the horizontal direction which on one side by means of one of a union nut 12 held nozzle mouthpiece 13 and a nozzle 14 fixed therein is limited.
  • the Chamber 11 is located on the nozzle tip 13 opposite side of one on the nozzle housing 2 screwed-on coil carrier 16 for a magnetic coil 17th limited.
  • Inside the solenoid 17 is a Valve tappet 19 arranged, which at its the End facing the nozzle mouthpiece 13 is a closure piece 21 to close a located in the nozzle mouthpiece 13 Drain hole 22 carries.
  • the solenoid 17 is with a Provide connection cable 20.
  • valve lifter 19 is horizontal Direction A can be moved back and forth so that the Nozzle mouthpiece 13 located bore 22 by means of Closure piece 21 designed to be openable and closable is.
  • the valve lifter 19 is at the end of the solenoid 17 by means of a sealing ring 10 against the chamber 11 sealed.
  • the nozzle housing 2 has z. B. on its upper side a communicating with the chamber 11, e.g. B. in feed bore 24 running in the vertical direction, via a valve 26 with a water inlet 27 connected is.
  • the bore 24 for the water inlet 27 opposite is the nozzle housing 2 with a Attachment 28 provided, which also with the chamber 11 is connected.
  • the mounting bracket 28 takes one in the axial direction from vibration damping Material existing profiled, tubular Intermediate piece 29, at the end of which again known ultrasonic vibration generator 31 attached is.
  • the ultrasonic vibration generator 31 is included provided a connection cable 30.
  • the ultrasonic vibrator 31 can be as Piezomechanical ultrasonic vibration generator with a generated frequency of 20 to 30 kHz executed be which several z. B. four in a row a rod-shaped vibration transmitter 32 arranged ceramic rings 33. One towards Chamber 11 facing and from the Ultrasonic vibrator 31 outstanding end 34 of the vibration transmitter 32 extends into the Chamber 11 in (Fig. 1).
  • the procedure is as follows: the closure piece 21 located on the valve tappet 19 is locked at a distance from the discharge bore 22 of the nozzle mouthpiece 13 that the discharge bore 22 through the chamber 11 when the valve 26 is open and through the bore of the nozzle insert 14 liquid 39, for. B. water, with a spray pressure of z. B. 3.5 bar (3.5 ⁇ 10 5 Pa), can escape.
  • the ultrasonic vibration generator 31 By switching on the ultrasonic vibration generator 31, the water within the chamber 11 is activated with ultrasound. In this case, the water is alternately put into a pull phase and an overpressure phase by means of the vibration transmitter 32 which projects into the chamber 11 with its vibration transmitter end 34.
  • the shock waves that arise in the water destroy the dirt accumulations of paper and paint particles on the nozzle mouthpiece 13 or on the nozzle insert 14 when the water emerges from the nozzle insert 14.
  • this is Vibration transmitter end 34 of the vibration transmitter 32 with a start 36 of a coaxial to the valve lifter 19th arranged vibration transducer pot 37 connected.
  • One end 40 of the vibration transducer pot 37 extends itself up to the nozzle mouthpiece 13, and is with a provided central bore 38. This allows the through the valve 26 supplied and in the chamber 11th located liquid 39 when withdrawn Closure piece 21 during the cleaning process Pass the drain hole 22 and the nozzle insert 14.
  • Vibration transducer pot 37 Due to the additional arrangement of the Vibration transducer pot 37, it is possible Ultrasound directly up to the vicinity of the nozzle mouthpiece 13 and thus up to the vicinity of the nozzle insert 14 transfer.
  • the liquid 39 is thus within the Chamber 11 directly with a vibration transmitter 31, 32nd in connection.
  • a Ultrasonic vibration generator 41 by means of a vibration-damping bracket 42 crossbar-proof a nozzle mouthpiece receiving a nozzle insert 14 13 arranged (Fig. 2).
  • a rod-shaped Vibration transmitter 43 connects a number of Ceramic rings 33 and is on its outside of Ultrasonic vibration generator 41 lying Vibration transmitter end 44 fixed with one around Nozzle mouthpiece 13 fixed annular Bracket 46 or directly with the nozzle mouthpiece 13 connected.
  • the nozzle mouthpiece 13 can on his Scope as well as on its facing away from the nozzle insert 14 Side with an elastic, against Coating insensitive to ultrasonic vibrations 23 be provided (Fig. 2).
  • the liquid 39 emerging from the nozzle insert 14 is thus indirect - via the nozzle insert 14, the Nozzle mouthpiece 13, the vibration transmitter 43 - with the ultrasonic vibrator 41 in connection.

Landscapes

  • Rotary Presses (AREA)
  • Special Spraying Apparatus (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Claims (2)

  1. Procédé pour maintenir propre un nez de buse (13) d'une buse d'un dispositif de pulvérisation (1) pour un dispostif de mouillage par pulvérisation d'une machine à imprimer rotative, où à l'état de fonctionnement on amène au nez de buse (13) seulement un liquide d'humidification (39) sollicité par une pression, non activé par des ultrasons, caractérisé en ce que l'on amène au nez de buse (13) un liquide d'humidification (39) qui en plus, en amont ou dans le nez de buse (13), est activé par des ultrasons, par intervalles de temps, depuis un transmetteur d'oscillation ultrasonores (32 ; 43) disposé à l'intérieur d'une chambre liquide (11) ou sur le nez de buse (13), transmetteur appartenant à un générateur d'oscillations ultrasonores (31 ; 41).
  2. Dispositif pour mettre en oeuvre le procédé selon la revendication 1, caractérisé en ce que le nez de buse (13) de la buse est relié à la chambre à liquide (11) du carter de buse (2), en ce qu'un transmetteur de vibrations ultrasonores (43 ; 32) d'un générateur de vibrations ultrasonores (31 ; 41), pouvant être mis en service par moments, est prévu sur le nez de buse (13), ou bien celui-ci lui-même ou une partie (33 ; 44) de celui-ci étant prévu à l'intérieur de la chambre à liquide (11).
EP97914064A 1996-01-23 1997-01-17 Procede et dispositif pour maintenir propres des nez de buses d'un dispositif de mouillage par pulverisation d'une rotative Expired - Lifetime EP0876223B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19602228 1996-01-23
DE19602228 1996-01-23
PCT/DE1997/000076 WO1997026996A2 (fr) 1996-01-23 1997-01-17 Procede et dispositif pour maintenir propres des nez de buses d'un dispositif de mouillage par pulverisation d'une rotative

Publications (2)

Publication Number Publication Date
EP0876223A2 EP0876223A2 (fr) 1998-11-11
EP0876223B1 true EP0876223B1 (fr) 2000-04-26

Family

ID=7783406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97914064A Expired - Lifetime EP0876223B1 (fr) 1996-01-23 1997-01-17 Procede et dispositif pour maintenir propres des nez de buses d'un dispositif de mouillage par pulverisation d'une rotative

Country Status (5)

Country Link
US (1) US6067908A (fr)
EP (1) EP0876223B1 (fr)
DE (1) DE59701511D1 (fr)
ES (1) ES2146463T3 (fr)
WO (1) WO1997026996A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2858773A1 (fr) * 2003-08-13 2005-02-18 Euro Digital Systemes Dispositif de diffusion d'un liquide dans l'atmosphere incorporant des moyens vibratoires de debouchage d'une buse de pulverisation
RU2317837C1 (ru) * 2006-06-27 2008-02-27 Общество с ограниченной ответственностью "НПП "Лантан-1" Устройство для распыления жидкости в газовой среде с образованием газокапельной струи с высокой кинетической энергией
FR2978364B1 (fr) * 2011-07-25 2013-08-23 Valois Sas Tete de distribution de produit fluide
CN107854066B (zh) * 2016-09-21 2020-10-13 Toto株式会社 浴室洗浴间地板用清洗装置以及浴室
EP3427842A1 (fr) * 2017-07-12 2019-01-16 Jotun A/S Appareil à buse de distribution de colorant
JP6780683B2 (ja) * 2018-09-20 2020-11-04 栗田工業株式会社 凝集状態モニタリングセンサー

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813675A (en) * 1973-03-28 1974-05-28 Mead Corp Catching apparatus for a jet drop recorder
US4044674A (en) * 1974-07-24 1977-08-30 Smith R.P.M. Corporation Spray dampening system for high quality offset printing
US4007465A (en) * 1975-11-17 1977-02-08 International Business Machines Corporation System for self-cleaning ink jet head
US4241656A (en) * 1978-11-17 1980-12-30 Smith R. P. M. Corporation Self-cleaning nozzle for lithographic printing dampeners
US4268836A (en) * 1979-10-25 1981-05-19 The Mead Corporation Ink jet printer having improved catcher
DE3108541A1 (de) * 1981-03-06 1982-11-25 Rotaprint Gmbh, 1000 Berlin "anordnung zur feuchtmittelauftragung bei einer offset-druckmaschine"
DE3209139A1 (de) * 1982-03-12 1983-09-15 Siemens AG, 1000 Berlin und 8000 München Muendungsventil fuer einen ultraschall-fluessigkeitszerstaeuber
US4563688A (en) * 1983-05-16 1986-01-07 Eastman Kodak Company Fluid jet printer and method of ultrasonic cleaning
US4600928A (en) * 1985-04-12 1986-07-15 Eastman Kodak Company Ink jet printing apparatus having ultrasonic print head cleaning system
US4849769A (en) * 1987-06-02 1989-07-18 Burlington Industries, Inc. System for ultrasonic cleaning of ink jet orifices
US5040457A (en) * 1989-10-10 1991-08-20 Rockwell International Corporation Printing press dampener
DE4038662A1 (de) * 1990-12-04 1992-06-11 Allguth Mineraloel Gmbh Verfahren und vorrichtung zum reinigen von gegenstaenden, insbesondere kraftfahrzeugen
SE507913C2 (sv) * 1993-04-23 1998-07-27 Jimek Int Ab Sätt och anordning för att förbättra funktionen hos en spraybalk i en tryckpress

Also Published As

Publication number Publication date
WO1997026996A3 (fr) 1997-10-23
ES2146463T3 (es) 2000-08-01
US6067908A (en) 2000-05-30
DE59701511D1 (de) 2000-05-31
EP0876223A2 (fr) 1998-11-11
WO1997026996A2 (fr) 1997-07-31

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