EP0876223B1 - Verfahren und einrichtung zum sauberhalten von düsenmundstücken an düsen eines sprühfeuchtwerkes einer rotationsdruckmaschine - Google Patents
Verfahren und einrichtung zum sauberhalten von düsenmundstücken an düsen eines sprühfeuchtwerkes einer rotationsdruckmaschine Download PDFInfo
- 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
Links
- 239000007921 spray Substances 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 11
- 238000013016 damping Methods 0.000 title claims description 10
- 238000007639 printing Methods 0.000 title claims description 4
- 238000002604 ultrasonography Methods 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims 5
- 238000004891 communication Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000003973 paint Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
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)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Description
- Fig. 1
- einen Querschnitt durch die schematische Darstellung einer Sprühdüseneinheit mit einer Einrichtung;
- Fig. 2
- eine Detaildarstellung einer Sprühdüse mit einer Einrichtung in einem zweiten Ausführungsbeispiel.
- 1
- Düseneinheit
- 2
- Düsengehäuse
- 3
- 4 Blech (6)
- 5
- -
- 6
- Platte, schwingungsdämpfend
- 7
- Blech (6)
- 8
- Dämpfungsschicht (6)
- 9
- Traverse
- 10
- Dichtring
- 11
- Kammer (2)
- 12
- Überwurfmutter
- 13
- Düsenmundstück (2)
- 14
- Düseneinsatz (13)
- 15
- -
- 16
- Spulenträger
- 17
- Magnetspule
- 18
- -
- 19
- Ventilstößel (17; 22)
- 20
- Anschlußkabel, erstes
- 21
- Verschlußstück
- 22
- Abführbohrung (13)
- 23
- Beschichtung (13)
- 24
- Zuführbohrung
- 25
- Dichtring
- 26
- Ventil
- 27
- Wasserzulauf
- 28
- Befestigungsstutzen
- 29
- Zwischenstück
- 30
- Anschlußkabel, zweites
- 31
- Ultraschall-Schwingungserzeuger
- 32
- Schwingungsübertrager, stabförmig (31)
- 33
- Keramikringe (31; 41)
- 34
- Schwingungsübertragerende (32)
- 35
- -
- 36
- Schwingungsübertrageranfang (37)
- 37
- Schwingungsübertragertopf
- 38
- Bohrung (37)
- 39
- Flüssigkeit
- 40
- Schwingungsübertragerende (37)
- 41
- Ultraschall-Schwingungserzeuger
- 42
- Halterung (41)
- 43
- Schwingungsübertrager (41)
- 44
- Schwingungsübertragerende (43)
- 45
- -
- 46
- Halterung (13)
- A
- Bewegungsrichtung (19)
Claims (2)
- Verfahren zum Sauberhalten von einem Düsenmundstück (13) einer Düse einer Sprüheinrichtung (1) für ein Sprühfeuchtwerk einer Rotationsdruckmaschine, wobei im Betriebszustand dem Düsenmundstück (13) nur nichtultraschallaktivierte, druckbeaufschlagte Feuchtflüssigkeit (39) zugeführt wird, dadurch gekennzeichnet, daß dem Düsenmundstück (13) Feuchtflüssigkeit (39) zugeführt wird, die zusätzlich vor oder im Düsenmundstück (13) zeitweise von einem innerhalb einer Flüssigkeitskammer (11) oder am Düsenmundstück (13) angeordneten Ulltraschall-Schwingungsübertrager (32; 43) eines Ultraschall-Schwingungserzeugers (31; 41) ultraschallaktiviert wird.
- Einrichtung zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, daß das Düsenmundstück (13) der Düse mit der Flüssigkeitskammer (11) des Düsengehäuses (2) in Verbindung steht, daß ein Ultraschall-Schwingungsübertrager (43; 32) eines zeitweise zuschaltbaren Ultraschall-Schwingungserzeugers (31; 41) am Düsenmundstück (13) oder dieser selbst oder ein Teil (34; 44) von ihm innerhalb der Flüssigkeitskammer (11) vorgesehen ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19602228 | 1996-01-23 | ||
DE19602228 | 1996-01-23 | ||
PCT/DE1997/000076 WO1997026996A2 (de) | 1996-01-23 | 1997-01-17 | Verfahren und einrichtung zum sauberhalten von düsenmundstücken eines sprühfeuchtwerkes einer rotationsdruckmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0876223A2 EP0876223A2 (de) | 1998-11-11 |
EP0876223B1 true EP0876223B1 (de) | 2000-04-26 |
Family
ID=7783406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97914064A Expired - Lifetime EP0876223B1 (de) | 1996-01-23 | 1997-01-17 | Verfahren und einrichtung zum sauberhalten von düsenmundstücken an düsen eines sprühfeuchtwerkes einer rotationsdruckmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US6067908A (de) |
EP (1) | EP0876223B1 (de) |
DE (1) | DE59701511D1 (de) |
ES (1) | ES2146463T3 (de) |
WO (1) | WO1997026996A2 (de) |
Families Citing this family (5)
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 |
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 (de) * | 2017-07-12 | 2019-01-16 | Jotun A/S | Düsenvorrichtung zur ausgabe von färbemittel |
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)
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 |
-
1997
- 1997-01-17 EP EP97914064A patent/EP0876223B1/de not_active Expired - Lifetime
- 1997-01-17 ES ES97914064T patent/ES2146463T3/es not_active Expired - Lifetime
- 1997-01-17 US US09/101,447 patent/US6067908A/en not_active Expired - Fee Related
- 1997-01-17 DE DE59701511T patent/DE59701511D1/de not_active Expired - Fee Related
- 1997-01-17 WO PCT/DE1997/000076 patent/WO1997026996A2/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
WO1997026996A3 (de) | 1997-10-23 |
WO1997026996A2 (de) | 1997-07-31 |
US6067908A (en) | 2000-05-30 |
EP0876223A2 (de) | 1998-11-11 |
ES2146463T3 (es) | 2000-08-01 |
DE59701511D1 (de) | 2000-05-31 |
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