EP1759846A1 - Buse de matière élastique souple - Google Patents

Buse de matière élastique souple Download PDF

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Publication number
EP1759846A1
EP1759846A1 EP05017362A EP05017362A EP1759846A1 EP 1759846 A1 EP1759846 A1 EP 1759846A1 EP 05017362 A EP05017362 A EP 05017362A EP 05017362 A EP05017362 A EP 05017362A EP 1759846 A1 EP1759846 A1 EP 1759846A1
Authority
EP
European Patent Office
Prior art keywords
spray nozzle
opening
nozzle
foot
nozzle opening
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
Application number
EP05017362A
Other languages
German (de)
English (en)
Other versions
EP1759846B1 (fr
Inventor
Kjell E. Dipl.-Ing. Lundin
Rune G. Dipl.-Ing. Vestman
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 Oxy Dry GmbH
Original Assignee
Oxy Dry Maschinen GmbH
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 Oxy Dry Maschinen GmbH filed Critical Oxy Dry Maschinen GmbH
Priority to EP05017362A priority Critical patent/EP1759846B1/fr
Priority to DE502005003481T priority patent/DE502005003481D1/de
Priority to US11/463,441 priority patent/US7644659B2/en
Priority to CNA2006101447198A priority patent/CN1931579A/zh
Publication of EP1759846A1 publication Critical patent/EP1759846A1/fr
Application granted granted Critical
Publication of EP1759846B1 publication Critical patent/EP1759846B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
    • B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
    • B05B1/267—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors the liquid or other fluent material being deflected in determined directions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F35/00—Cleaning arrangements or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/26—Spraying devices

Definitions

  • the invention relates to a spray nozzle for installation in a cleaning device for cylinder surfaces of a printing press according to the preamble of claim 1.
  • This spray nozzle comprises a nozzle opening in addition to a foot for insertion into a distribution line for washing liquids and a channel, on the one hand in a foot opening and on the other hand in the nozzle opening empties.
  • Known cleaning devices are usually provided with a spray pipe, which serves as a distribution line and having a plurality of uniformly distributed over its length nozzle openings. With this spray pipe, the washing liquids are then applied to the cleaning element of the cleaning device, for. B a brush ( EP 1 106 355 A1 ) applied.
  • a spray tube with nozzle openings is not optimal.
  • a more or less directed liquid jet usually emerges from the nozzle openings, with the result that the local distribution of the washing liquid varies in the axial direction over the spray openings. Therefore, brush rollers, for example, onto which the washing liquids are sprayed, must be provided with an axially oscillating movement and a corresponding adjusting drive for uniform axial washing liquid distribution.
  • An effective measure for achieving the spatially uniform distribution of the washing liquid is the use of spray nozzles which have a baffle surface arranged downstream of the nozzle opening for deflecting and fanning the liquid jet emerging from the nozzle opening.
  • This principle is known from other applications, for example pesticide application in agriculture.
  • it has been hardly used in the present field of cleaning devices for printing machines, since corresponding spray nozzles require installation space, which is usually not present in such cleaning devices.
  • the problem remains that the nozzle opening must not be too small so that it does not become clogged with residues.
  • too large a nozzle opening prevents, as already described, the desired uniform time distribution of the washing liquid order, since too much washing liquid per unit of time can flow through.
  • the present invention is therefore an object of the invention to optimize a spray nozzle of the type mentioned for installation in a cleaning device for cylinder surfaces of a printing machine in that a better spatial and temporal equal distribution of the washing liquid application is possible.
  • the spray nozzle with its nozzle opening with its arranged before the nozzle opening baffle for deflecting and fanning out of the nozzle opening fluid jet, with its foot for insertion into a distributor line for washing liquids and their channel, on the one hand in a foot opening and on the other opens in the nozzle opening, made of soft elastic material, in particular plastic or rubber.
  • the nozzle opening can be made very small in order to dose the washing liquid jet more accurate and to make the temporal distribution of the washing liquid order more uniform. Because the channel with the nozzle opening is surrounded by resilient material, which does not behave rigidly, especially in an operation with pressure pulses, but expands to a small extent and contracts again, so that the risk of clogging of the nozzle opening by residues from the washing liquids only very small is.
  • the soft elastic design of the spray nozzle allows easy interchangeability of the same by attaching it to the distribution line by utilizing its elasticity, for example by pushing it into a corresponding opening. If the spray nozzle is formed correspondingly small, even a retrofitting of conventional spray pipes is possible.
  • Such attachment to the manifold by utilizing the elastic properties of the spray nozzle can be greatly assisted by providing the base of the spray nozzle with a bead for engaging an opening in the manifold. Once this bead is pushed through the opening in the manifold, it also holds the spray nozzle against high pressures in the opening.
  • Another advantage of the spray nozzle according to the invention is its cost-effective manufacturability, which should be mentioned first of all as a plastic part by injection molding.
  • the invention thus provides a novel spray nozzle which may have a very small nozzle opening, without the risk of clogging with residues from the washing liquids to increase significantly. Even if the nozzle orifice becomes clogged, this is not a serious problem because the spray nozzle of the present invention can be replaced with a new one very easily, in seconds and without the use of a tool.
  • the attachment of the spray nozzle according to the invention to the distribution line is simplified when the spray nozzle has a surface adapted to the outer surface of the distribution line, resting on this foot surface. At the same time, this results in an automatic correct alignment of the nozzle opening and the baffle surface; a slanted installation of the spray nozzle is prevented by the foot surface. This inherent anti-skew safeguard is further enhanced when the spray nozzle is constructed so that the nozzle orifice is integrated into the footwell.
  • the unavoidable spray formation during spraying of washing liquids can be reduced if a jet guidance surface extends from the nozzle opening to the impact surface, so that the liquid jet can flow along a curved surface.
  • the liquid jet then does not strike the impact surface head-on, but is continuously deflected and fanned out.
  • the baffle is provided on its side facing away from the nozzle opening side with a tear-off edge to ensure a defined shaping and movement direction of the fanned-out liquid jet.
  • the length L of the baffle which is defined by the position of the trailing edge, of course, has an influence on the degree of fanning of the liquid jet and on its speed. Accordingly, the spray nozzle according to the invention can be optimized by optimal choice of the position of the spoiler edge for the particular application. If the length L is chosen small, the liquid jet is braked less, but at the same time less fanned. If L is chosen to be large, the liquid jet is broadened, but at the same time the distance during which the liquid jet along the baffle surface is decelerated increases, so that the speed of the liquid jet is significantly reduced.
  • the spray nozzle according to the invention can be provided with a protective surface which projects back behind the tear-off edge.
  • the spray nozzle shown in Figure 1 has a foot 1 with a bead 2 for engaging behind an opening of a (not shown) distribution line and with a foot opening 3, wherein a nozzle opening 4 not directly visible integrated in one of the surface of a cylindrical distribution line foot surface 5 is.
  • a baffle 6 is arranged for deflecting and fanning a liquid jet emerging from the nozzle opening 4. This baffle 6 is limited by a tear-off edge 7. Behind the tear-off edge 7 a recessed arranged protective surface 8 is provided to reduce, inter alia, the formation of spray.
  • the all-soft material, here injection-molded plastic, existing spray nozzle is designed so that the foot surface 5, the baffle 6 and the protective surface 8 together forming a spray nozzle body 9, by means of which the spray nozzle (whose dimensions are in the 10-millimeter range ) and, if necessary, can be pressed into the opening of a distribution line provided for this purpose, if necessary by hand.
  • the foot surface 5 is provided with two grooves 10 to increase their mobility and to ensure a better nestling against the cylindrical surface of the manifold.
  • Figure 2 which is a sectional view corresponding to Figure 1, the course of a channel 11 between the foot opening 3 and the nozzle opening 4 is visible.
  • the channel 11 is formed in the soft elastic material of the spray nozzle, so that the environment gives way elastically especially when pressure pulses occur and contracts again, so that the channel wall during operation of the spray nozzle, especially when working with pulsed liquid jets, is constantly in motion. As a result, clogging of the channel 11 and in particular the nozzle opening 4 is prevented by residues.
  • the nozzle opening 4 is arranged in the center of a curved beam guiding surface 12, so that the liquid jet which flows through the channel 11 and exits from the nozzle opening 4 flows along the beam guiding surface 12, being gradually deflected by the latter and is directed to the baffle 6.
  • the turbulence and atomization of the liquid is reduced and the beam guidance is defined, as if the liquid jet without deflection by the beam guide surface 12 would impinge on the baffle 6.
  • the length L of the baffle 6 to the trailing edge 7, as described above significantly responsible for the speed with which the liquid jet leaves the trailing edge 7, as it is braked more or less depending on the length L, as well as the degree of fanning of liquid jet.
  • the region of the tear-off edge 7 is shielded by the protective surface 8 against external interference.
  • FIG. 3 shows a fanned-out liquid jet 13 which leaves the tear-off edge 7 of the present spray nozzle in a defined manner.
  • the components of the spray nozzle are provided with the same reference numerals as in Figures 1 and 2, so that reference may be made to the description of these two figures, moreover.

Landscapes

  • Nozzles (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP05017362A 2005-08-10 2005-08-10 Dispositif de nettoyage comprenant une buse de matière élastique souple Expired - Fee Related EP1759846B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP05017362A EP1759846B1 (fr) 2005-08-10 2005-08-10 Dispositif de nettoyage comprenant une buse de matière élastique souple
DE502005003481T DE502005003481D1 (de) 2005-08-10 2005-08-10 Reinigungsvorrichtung mit Sprühdüse aus weichelastischem Material
US11/463,441 US7644659B2 (en) 2005-08-10 2006-08-09 Cleaning apparatus for cylinder surfaces of a printing machine and spray nozzle for such a cleaning apparatus
CNA2006101447198A CN1931579A (zh) 2005-08-10 2006-08-10 印刷机滚筒表面的清洗装置和用于这种清洗装置的喷嘴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05017362A EP1759846B1 (fr) 2005-08-10 2005-08-10 Dispositif de nettoyage comprenant une buse de matière élastique souple

Publications (2)

Publication Number Publication Date
EP1759846A1 true EP1759846A1 (fr) 2007-03-07
EP1759846B1 EP1759846B1 (fr) 2008-03-26

Family

ID=35500675

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05017362A Expired - Fee Related EP1759846B1 (fr) 2005-08-10 2005-08-10 Dispositif de nettoyage comprenant une buse de matière élastique souple

Country Status (4)

Country Link
US (1) US7644659B2 (fr)
EP (1) EP1759846B1 (fr)
CN (1) CN1931579A (fr)
DE (1) DE502005003481D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008004073A1 (de) 2008-01-12 2009-07-23 Baldwin Oxy-Dry Gmbh Verfahren und Vorrichtung zum Reinigen von Zylindern einer Druckmaschine
DE102018104534B3 (de) 2018-02-28 2019-04-25 Baldwin Technology Gmbh Sprührohr und druckmaschinenwalzen-reinigungsvorrichtung mit einem sprührohr

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006015429U1 (de) * 2006-10-09 2008-02-21 Innowatec Dipl.-Ing. Grieger & Englert Gmbh & Co. Kg Vorrichtung zum Reinigen eines Druckzylinders
CN102310630B (zh) 2010-06-30 2015-04-22 海德堡印刷机械股份公司 用于在印刷机中喷射液体的喷射杆
CN102886981A (zh) * 2012-10-15 2013-01-23 北京印刷学院 一种用于橡皮滚筒清洗装置的喷洒机构及其喷嘴
CN103990625A (zh) * 2014-05-30 2014-08-20 苏州倍辰莱电子科技有限公司 钢网清洗设备
CN104149489A (zh) * 2014-08-27 2014-11-19 昆山元崧电子科技有限公司 适用于印刷机的自动擦拭装置
CN104438134A (zh) * 2014-12-18 2015-03-25 合肥安晶龙电子有限公司 色选机背景辊筒清灰装置
DE102016220819B4 (de) * 2016-10-24 2018-09-20 Voith Patent Gmbh Rotierende Trommel
US10718105B2 (en) 2017-03-02 2020-07-21 Kohler Co. Handwashing station
CN108215481A (zh) * 2018-02-26 2018-06-29 北京厚信印刷技术有限公司 喷射构件、喷射组件及清洗装置
CN108466481B (zh) * 2018-06-14 2023-06-16 江苏盛矽电子科技有限公司 一种流量调节式印刷网版的外框高压清洗装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4316747C1 (de) * 1993-05-19 1994-12-08 Kotterer Grafotec Vorrichtung zur Reinigung einer Arbeitsfläche einer Druckmaschine
WO1995007182A1 (fr) * 1993-09-08 1995-03-16 Jimek International Ab Tube de pulverisation pour dispositif de lavage de blanchet d'une presse d'impression
DE29612400U1 (de) * 1996-07-17 1996-09-12 Roland Man Druckmasch Reinigungsvorrichtung für einen Zylinder einer Druckmaschine
DE19516422A1 (de) * 1995-05-04 1996-11-07 Bernd Dr Brenner Druckmaschine mit einer für einen Zylinder vorgesehenen Reinigungseinrichtung
US5813087A (en) * 1995-09-08 1998-09-29 Bissell Inc. Spray nozzle for use with water extraction cleaning machine
EP0881330A2 (fr) * 1997-05-27 1998-12-02 Voith Sulzer Papiermaschinen Gesellschaft mbH Procédé et dispositif pour enduire un matériau fluide ou pâteux sur une bande en mouvement
EP1020230A2 (fr) * 1999-01-16 2000-07-19 Hansgrohe AG Pommeau de douche
EP1106355A1 (fr) 1999-12-06 2001-06-13 Oxy-Dry Maschinen GmbH Dispositif pour nettoyer des cylindres d'une machine d'impression

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
US2896865A (en) * 1953-04-28 1959-07-28 W L Hamilton & Company Spray head
US2721764A (en) * 1954-08-09 1955-10-25 Plastic Irrigation Products Co Sprinkler apparatus
US4015307A (en) * 1969-08-25 1977-04-05 Oxy-Dry Sprayer Corporation Apparatus for cleaning rotating cylindrical surfaces
NL80416C (fr) * 1973-06-22
EP0552857A1 (fr) * 1992-01-22 1993-07-28 Komori Corporation Appareil de nettoyage d'un cylindre/rouleau d'imprimerie pour presse à imprimer et procédé de nettoyage d'un cylindre/rouleau d'imprimerie
SE510460C2 (sv) * 1997-09-24 1999-05-25 Grafic Team International Swed Sätt och anordning för rengöring av en gummiklädd cylinder i en offsetpress
US20020157205A1 (en) * 2001-04-27 2002-10-31 Akira Hara Cylinder cleaning brush unit
US7363673B2 (en) * 2003-02-13 2008-04-29 Black & Decker Inc. Hand held scrubbing tool
JP2005001243A (ja) * 2003-06-12 2005-01-06 Baldwin Japan Ltd シリンダ洗浄用洗浄液供給装置およびシリンダ洗浄用ブラシユニットおよびシリンダ洗浄装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4316747C1 (de) * 1993-05-19 1994-12-08 Kotterer Grafotec Vorrichtung zur Reinigung einer Arbeitsfläche einer Druckmaschine
WO1995007182A1 (fr) * 1993-09-08 1995-03-16 Jimek International Ab Tube de pulverisation pour dispositif de lavage de blanchet d'une presse d'impression
DE19516422A1 (de) * 1995-05-04 1996-11-07 Bernd Dr Brenner Druckmaschine mit einer für einen Zylinder vorgesehenen Reinigungseinrichtung
US5813087A (en) * 1995-09-08 1998-09-29 Bissell Inc. Spray nozzle for use with water extraction cleaning machine
DE29612400U1 (de) * 1996-07-17 1996-09-12 Roland Man Druckmasch Reinigungsvorrichtung für einen Zylinder einer Druckmaschine
EP0881330A2 (fr) * 1997-05-27 1998-12-02 Voith Sulzer Papiermaschinen Gesellschaft mbH Procédé et dispositif pour enduire un matériau fluide ou pâteux sur une bande en mouvement
EP1020230A2 (fr) * 1999-01-16 2000-07-19 Hansgrohe AG Pommeau de douche
EP1106355A1 (fr) 1999-12-06 2001-06-13 Oxy-Dry Maschinen GmbH Dispositif pour nettoyer des cylindres d'une machine d'impression

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008004073A1 (de) 2008-01-12 2009-07-23 Baldwin Oxy-Dry Gmbh Verfahren und Vorrichtung zum Reinigen von Zylindern einer Druckmaschine
EP2087997A1 (fr) 2008-01-12 2009-08-12 Baldwin Oxy-Dry GmbH Dispositif destiné au nettoyage d'un cylindre d'une presse d' impression
DE102008004073B4 (de) * 2008-01-12 2010-06-17 Baldwin Oxy-Dry Gmbh Vorrichtung zum Reinigen von Zylindern einer Druckmaschine
DE102018104534B3 (de) 2018-02-28 2019-04-25 Baldwin Technology Gmbh Sprührohr und druckmaschinenwalzen-reinigungsvorrichtung mit einem sprührohr
WO2019166408A1 (fr) 2018-02-28 2019-09-06 Baldwin Technology Gmbh Tube de pulvérisation et dispositif de nettoyage de rouleaux de machine à imprimer pourvu d'un tube de pulvérisation

Also Published As

Publication number Publication date
CN1931579A (zh) 2007-03-21
DE502005003481D1 (de) 2008-05-08
US7644659B2 (en) 2010-01-12
EP1759846B1 (fr) 2008-03-26
US20070033764A1 (en) 2007-02-15

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