EP0876223A2 - 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 rotationsdruckmaschineInfo
- Publication number
- EP0876223A2 EP0876223A2 EP97914064A EP97914064A EP0876223A2 EP 0876223 A2 EP0876223 A2 EP 0876223A2 EP 97914064 A EP97914064 A EP 97914064A EP 97914064 A EP97914064 A EP 97914064A EP 0876223 A2 EP0876223 A2 EP 0876223A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- mouthpiece
- vibration
- spray
- ultrasonic 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 title claims description 15
- 238000007639 printing Methods 0.000 title claims description 4
- 238000013016 damping Methods 0.000 title description 8
- 238000002604 ultrasonography Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract 4
- 239000007788 liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004140 cleaning Methods 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
- 241001207300 Schnella Species 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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 performing the method.
- the invention has for its object to provide a method for keeping the nozzle mouthpieces of a spray dampening unit and an associated device with which it is possible to maintain spray nozzles of a spray dampening unit preventively without having to remove them.
- the advantages that can be achieved with the invention are, in particular, that the additional arrangement of an ultrasound-activated, pressurized dampening solution that is not ultrasound-activated during the spraying process in operation or that can be switched on during a separate cleaning process Ultrasound vibration transmitter, the liquid passed through the nozzles must also be activated with ultrasound. When the ultrasound-activated liquid emerges through the nozzles, the paper and ink particles located at the nozzle outlet opening or at the nozzle mouthpiece are detached.
- Preventive cleaning of the spray nozzles can be carried out easily without having to remove the nozzles. This enables long, trouble-free operation of the dampening.
- Fig. 1 shows a cross section through the schematic
- FIG. 2 shows a detailed illustration of a spray nozzle with a device in a second embodiment.
- a nozzle unit 1 of a spray dampening unit for moistening objects in particular a rotatable dampening nozzle, consists of a nozzle housing 2 which is fastened by means of fastening elements, for. B. screws, is attached to a first sheet 4 of a vibration-damping plate 6.
- the traverse 9 takes several spaced apart nozzle units 1.
- the nozzle housing 2 has one in its interior, for. B. in the horizontal direction extending chamber 11, which is limited on one side by means of a nozzle mouthpiece 13 held by a union nut 12 and a nozzle 14 fastened therein.
- the chamber 11 is delimited on the side opposite from the nozzle mouthpiece 13 by a coil carrier 16 screwed onto the nozzle housing 2 for a magnet coil 17.
- a valve tappet 19 is arranged in the interior of the magnetic coil 17 and carries a closure piece 21 at its end facing the nozzle mouthpiece 13 for closing a discharge bore 22 located in the nozzle mouthpiece 13.
- the solenoid 17 is provided with a connecting cable 20.
- valve tappet 19 can be moved back and forth in the horizontal direction A, so that the bore 22 located in the nozzle mouthpiece 13 can be opened and closed by means of the closure piece 21.
- the valve tappet 19 is at the end of the solenoid 17 by means of a sealing ring 10 against the chamber 11.
- the nozzle housing 2 has z. B. on its upper side with the chamber 11 in connection, for. B. in the vertical direction of the supply bore 24, which via a Venti l 26 with a water inlet 27th connected is.
- Oe r bore 24 for the water inlet 27 opposite the nozzle housing 2 is provided with a mounting piece 28, which is also connected to the chamber 11.
- the attachment piece 28 receives in the axial direction a profiled, tubular intermediate piece 29 made of vibration-damping material, at the end of which a known ultrasonic vibration generator 31 is attached.
- the ultrasonic vibration generator 31 is provided with a connection cable 30.
- a sealing ring 25 is arranged between the intermediate piece 29 and the nozzle housing 2.
- the ultrasonic vibration generator 31 can be designed as a pi ezomechani see ultrasonic vibration generator with a generated frequency of 20 to 30 kHz, which several z. B. has four ceramic rings 33 arranged one behind the other on a rod-shaped vibration transducer 32.
- REPLACEMENT BUTT (RULE 26) open valve l 26 through the chamber 11, the discharge bore 22 and through the bore of the nozzle insert 14 liquid 39, z. B. water, with a spray pressure of z. B. 3.5 bar 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.
- the vibration-damping components 29; 6 arranged.
- Vibration transmitter end 34 of the vibration transmitter 32 is connected to a start 36 of a vibration transducer pot 37 arranged coaxially with the valve tappet 19.
- One end 40 of the vibration transducer pot 37 extends to the nozzle mouthpiece 13 and is provided with a central bore 38. This allows the through the valve l 26 supplied and located in the chamber 11 liquid 39 with the closure piece 21 retracted during the cleaning process, the discharge bore 22 and the nozzle insert 14.
- the additional arrangement of the vibration transducer pot 37 makes it possible to transmit the ultrasound directly up to the vicinity of the nozzle mouthpiece 13 and thus up to the vicinity of the nozzle insert 14.
- the liquid 39 is thus in the chamber 11 directly connected to a vibration transmitter 31, 32.
- an ultrasound vibration generator 41 is arranged, by means of a vibration-damping holder 42, in a crossbar-fixed manner above a nozzle mouthpiece 13 receiving a nozzle insert 14 (FIG. 2).
- a rod-shaped vibration transmitter 43 connects a number of ceramic rings 33 and is fixedly connected at its vibration transmitter end 44 lying outside the ultrasonic vibration generator 41 to an annular holder 46 fixedly arranged around the nozzle mouthpiece 13 or directly to the nozzle mouthpiece 13.
- the nozzle mouthpiece 13 can with an elastic, against its circumference and on its side facing away from the nozzle insert 14
- Coating 23 insensitive to ultrasonic vibrations may be provided (FIG. 2).
- the liquid 39 emerging from the nozzle insert 14 is thus indirectly connected to the ultrasonic vibration generator 41 via the nozzle insert 14, the nozzle mouthpiece 13 and the vibration transmitter 43.
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)
Abstract
Description
Claims
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 true EP0876223A2 (de) | 1998-11-11 |
EP0876223B1 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
Non-Patent Citations (1)
Title |
---|
See references of WO9726996A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP0876223B1 (de) | 2000-04-26 |
WO1997026996A3 (de) | 1997-10-23 |
WO1997026996A2 (de) | 1997-07-31 |
US6067908A (en) | 2000-05-30 |
ES2146463T3 (es) | 2000-08-01 |
DE59701511D1 (de) | 2000-05-31 |
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