EP3183120A1 - Procédé et appareil permettant le nettoyage de clichés en forme de plaque - Google Patents

Procédé et appareil permettant le nettoyage de clichés en forme de plaque

Info

Publication number
EP3183120A1
EP3183120A1 EP15834166.9A EP15834166A EP3183120A1 EP 3183120 A1 EP3183120 A1 EP 3183120A1 EP 15834166 A EP15834166 A EP 15834166A EP 3183120 A1 EP3183120 A1 EP 3183120A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
shaped
plate
cliches
cleaning chamber
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.)
Withdrawn
Application number
EP15834166.9A
Other languages
German (de)
English (en)
Other versions
EP3183120A4 (fr
Inventor
Anders Conradsen Kongstad
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.)
Flexo Wash ApS
Original Assignee
Flexo Wash ApS
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 Flexo Wash ApS filed Critical Flexo Wash ApS
Publication of EP3183120A1 publication Critical patent/EP3183120A1/fr
Publication of EP3183120A4 publication Critical patent/EP3183120A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N3/00—Preparing for use and conserving printing surfaces
    • B41N3/006—Cleaning, washing, rinsing or reclaiming of printing formes other than intaglio formes
    • 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
    • B41P2235/20—Wiping devices
    • B41P2235/23—Brushes
    • 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
    • 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
    • B41P2235/30—Recovering used solvents or residues

Definitions

  • the present invention relates to a method for cleaning of newly produced plate-shaped cliches made from a rubber web or substrate and of the type as defined in the pream- ble to claim 1.
  • the invention also relates to a cleaning apparatus for carrying out the method for cleaning of plate-shaped cliches.
  • Known cleaning methods and processes comprise a cleaning chamber where cleaning fluid is applied to a plate-shaped cliche while simultaneously the plate-shaped cliche is brushed with a soft brush.
  • the cleaning chamber is part of a closed circuit where the cleaning fluid is recirculated from and to a receptacle. After the cleaning chamber the plate-shaped cliche passes another cleaning chamber where the plate-shaped cliche is flushed with fresh cleaning fluid and dried. The latter is carried out by means of a special sponge roller acting at the same time as a wet cloth and a sponge.
  • US 2009/0013888 Al discloses a method for feeding a photopolymerised elastomeric printing plate, subsequent to exposure and washing out thereof, along a path through a rinsing station, comprising: optionally providing a plate assembly comprising the plate and, supporting the plate, a carrier having a pair of opposed peripheral regions each extending laterally beyond respective opposed lateral edge regions of the plate, providing, transversely of the path, at least one pair of driven rollers defining a nip there between through which the plate can pass so as to be forwarded along the path by frictional engagement of the plate or palter assembly with each of the driven rollers within the nip, at least one of which rollers is profiled so as to allow contact of the profiled roller with the opposed lateral edge regions of the plate or, when provided, corresponding opposed peripheral regions of the plate assembly, thereby to allow the said frictional engagement, but to allow freedom from contact of the plate with the or each profiled roller at an interior region of the plate between the said regions in con- tact with the
  • a high-pressure cleaning fluid at a range of 30-120 bar to at least said print side of the plate-shaped cliches.
  • Such semi-hard rollers has a double function namely to act both as transportation roller for the continuously moving of the plate-shaped cliches through the respective cleaning chambers and at the same time to prevent the cleaning fluid to escape from the cleaning chambers along the plate-shaped cliches.
  • the semi-hard surface of the rubber rollers is able to act as a continuous barrier following the surface pattern of the printing surface of the plate-shaped cliches.
  • said cleaning brushes of said primary cleaning chamber are reciprocating perpendicular to the direction of movement of the plate- shaped cliches.
  • the present invention also relates to a cleaning apparatus for cleaning plate-shaped cliches comprising a first cleaning chamber where said plate-shaped cliches are fed through an entrance opening onto a carrier surface supporting the rear side of the plate-shaped cliches, when the print side of the plate-shaped cliches is brushed by means of cleaning brushes and at the same time the plate-shaped cliches are flushed by cleaning fluid applied from nozzles before leaving the first cleaning chamber through an outlet opening, and are then fed through an entrance opening to another cleaning chamber comprising a subsequent flushing and drying zone with a drying sponge roller and a hot air blower, which cleaning apparatus is characterised in com- prising a high-pressure cleaning chamber for applying high-pressure cleaning fluid to said plate-shaped cliches, said high-pressure cleaning chamber is placed between said first cleaning chamber and said other cleaning chamber.
  • the cleaning apparatus may be such provided that said entrance opening and said outlet opening being provided with combined transport and separation rollers made from semi-hard rubber or a similar elastic material.
  • such semi-hard rollers has a double function namely to act both as transportation roller for the continuously moving of the plate-shaped cliches through the respective cleaning chambers and at the same time to prevent the cleaning fluid to escape from the cleaning chambers along the plate-shaped cliches.
  • each cleaning chambers are provided with lower funnel-shaped drainage openings through which cleaning fluid from the respective chamber is collected and led to receptacles or tanks, since the cleaning fluid preferably is recirculated and reused in the respective chambers.
  • the cleaning apparatus according to the invention may be such provided that said other cleaning chamber also comprises an entrance opening provided with combined separation and transport rollers made from semi-hard rubber or a similar elastic material.
  • the cleaning apparatus may be such provided that said high-pressure cleaning chamber is adapted to use cleaning fluid preferable in the form of fresh water applied to the front or print side of the plate-shaped cliches through one or more nozzles for high-pressure cleaning fluid.
  • Fig. 1 shows a plane view illustrating schematically a prior art cleaning method for cleaning of plate-shaped cliches
  • Fig. 2 shows a plane view illustrating schematically an embodiment of an improved cleaning method for cleaning plate-shaped cliches according to the invention
  • Fig. 3 shows a perspective view of an embodiment for a cleaning apparatus for cleaning plate-shaped cliches according to the invention - shown with a high- pressure cleaning chamber exposed (without top cover),
  • Fig. 4 shows a perspective view of the cleaning apparatus for cleaning plate-shaped cliches cf. Fig. 3 with the high-pressure cleaning chamber closed by a hood- shaped top cover,
  • Fig. 5 shows a perspective view of another embodiment for a cleaning apparatus according to the invention.
  • Fig. 6 shows a perspective view showing the respective chamber parts of the cleaning apparatus cf. Fig. 5 according to the invention.
  • Fig. 1 is shown a prior art cleaning method where a plate-shaped cliche 2 is cleaned by means of a cleaning apparatus as the plate-shaped cliche 2 is feed into a first cleaning chamber 4 through an entrance opening 34 provided with combined transport and separation rollers 14 made from semi-hard rubber or a similar elastic material such that the combined transport and separation rollers 14 at the same time take care of the continuously transport of the plate-shaped cliche 2 and the holding back the cleaning fluid from streaming out along the upper surface of the plate-shaped cliche 2, since the latter also leaves the first cleaning chamber 4 through an outlet opening 36 provided with combined transport and separation rollers 14 made from semi-hard rubber or a similar elastic material.
  • the upper printing side of cliche 2 is brushed by mean of reciprocating cleaning brushes 16 and at the same time cleaning fluid is applied to the upper surface of the cliche 2 from nozzles 10.
  • the cleaning brushes 16 are reciprocating perpendicular to the direction of movement of the cleaning brushes 16 indicated with arrows 18.
  • the cliche 2 leaves the chamber through an outlet opening 36 and into another cleaning chamber 6 through an entrance opening 34 similar to that of said first cleaning chamber 4.
  • the cliche 2 is again flushed with cleaning fluid before leaving the other cleaning chamber 6 when passing a drying zone with a drying sponge roller 24 and a hot air blower 26.
  • Both the first and the other cleaning chambers 4, 6 are in the bottom provided with lower funnel-shaped drainage openings 28, 30 through which the cleaning fluid is collected and lead to receptacles or tanks as preferably the cleaning fluid is recirculat- ed and reused in the respective cleaning chambers 4, 6.
  • Fig. 2 shows a schematically plane view of an embodiment for a cleaning apparatus 3 for carrying out the method according to the invention and consequently the cleaning apparatus 3 comprising a first cleaning chamber 4 and another cleaning chamber 6 - however between the first and other cleaning chambers 4, 6 is built-in a high-pressure cleaning chamber 8 so that a plate-shaped cliche 2 can be continuously feed through three successively arranged cleaning chambers 4, 6, 8.
  • the size the plate-shaped cliches 2 in question may differ rather dramatically from a small size of 100 x 100 mm to a medium size of 2000 x 3000 mm - or maybe even a special size of 2000 mm x endless.
  • such plate-shaped cliches 2 may have any configuration including rectangular or squared.
  • the front or print side of the cliches 2 are always facing upwards towards the reciprocating brushes 16 of the first cleaning chamber 4 and the high-pressure nozzles 20 of the high-pressure cleaning chamber 8.
  • the high-pressure cleaning chamber 8 has an entrance opening 34 with combined transport and separation rollers 14 and an outlet opening 36 also with combined transport and separation rollers 14 - the special double function of these combined transport and separation rollers 14 is previously explained.
  • Figs 3-6 show further embodiments for a cleaning apparatus 3 according to the invention, where the specific apparatus parts are designated with the same reference numbers as appear from the glossary. Glossary - reference numbers used in the drawings

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

L'invention concerne un procédé permettant de nettoyer des clichés en forme de plaque (2) comprenant les actions de procédé suivantes consistant à : introduire des clichés en forme de plaque (2) dans une première chambre de nettoyage (4) et les faire passer à travers cette dernière ; pulvériser un fluide de nettoyage sur au moins le côté d'impression du cliché en forme de plaque (2) lorsque celui-ci est travaillé par des brosses de nettoyage (16) ; introduire les clichés en forme de plaque dans une autre chambre de nettoyage (6) et les faire passer à travers cette dernière pour ensuite rincer et sécher les clichés en forme de plaque (2) ; appliquer de l'air chaud provenant d'une soufflante d'air chaud (26) sur au moins ledit côté d'impression des clichés en forme de plaque (2) ; le procédé comprenant les autres actions consistant à : introduire les clichés en forme de plaque (2) dans une chambre de nettoyage à haute pression (8) et les passer à travers cette chambre qui est agencée entre ladite première chambre de nettoyage (2) et ladite autre chambre de nettoyage (6) ; pulvériser dans ladite chambre de nettoyage à haute pression (8) un fluide de nettoyage haute pression à une plage comprise entre 30 et 120 bars sur au moins ledit côté d'impression des clichés en forme de plaque (2). Grâce à un procédé et des moyens assez simples, il devient de ce fait possible d'obtenir un nettoyage suffisant des clichés en forme de plaque dont le côté d'impression a été à l'avance coupé au laser avec le motif d'impression souhaité, de telle sorte qu'une quantité éliminée suffisante de la poussière de métal résultante puisse être rincée efficacement et retirée du côté avant des clichés en forme de plaque par un processus de nettoyage en continu efficace et sûr.
EP15834166.9A 2014-08-22 2015-08-19 Procédé et appareil permettant le nettoyage de clichés en forme de plaque Withdrawn EP3183120A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201470505 2014-08-22
PCT/DK2015/050244 WO2016026499A1 (fr) 2014-08-22 2015-08-19 Procédé et appareil permettant le nettoyage de clichés en forme de plaque

Publications (2)

Publication Number Publication Date
EP3183120A1 true EP3183120A1 (fr) 2017-06-28
EP3183120A4 EP3183120A4 (fr) 2018-03-28

Family

ID=55350221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15834166.9A Withdrawn EP3183120A4 (fr) 2014-08-22 2015-08-19 Procédé et appareil permettant le nettoyage de clichés en forme de plaque

Country Status (2)

Country Link
EP (1) EP3183120A4 (fr)
WO (1) WO2016026499A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106903992B (zh) * 2017-03-06 2019-02-26 江苏悦达印刷有限公司 印刷保留版机
NL2022926B1 (en) * 2019-04-11 2020-10-20 Xeikon Prepress Nv Apparatus and method for treating a relief precursor with liquid

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8105972L (sv) * 1981-10-08 1983-04-09 Svecia Silkscreen Maskiner Ab For stencilram med inspend duk och applicerad schablon avsedd behandlingsanleggning
US4894095A (en) * 1985-05-28 1990-01-16 Law Offices Of Dick And Harris Method for washing and rinsing of used lithographic plate members
DE4345077C2 (de) * 1993-12-31 1999-09-23 Zibulla & Sohn Gmbh Vorrichtung zum Reinigen und Entfetten der Oberflächen von Blechen
US20120137908A1 (en) * 2005-11-04 2012-06-07 Gary Ganghui Teng Device and method for removing overcoat of on-press developable lithographic plate
GB0602967D0 (en) * 2006-02-14 2006-03-29 Dantex Graphics Ltd Method And Means Relating To Photopolymer Printing Plates
DE202007003195U1 (de) * 2007-03-05 2007-06-28 Daunquart, Alfred Anlage zum Waschen und Trocknen von Gegenständen, insbesondere von Drucksieben, Matrizen u.dgl.
DE102010029018B4 (de) * 2010-05-17 2014-10-23 Flint Group Germany Gmbh Vorrichtung und Verfahren zum Herstellen von Flexodrucksleeves

Also Published As

Publication number Publication date
WO2016026499A1 (fr) 2016-02-25
EP3183120A4 (fr) 2018-03-28

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