EP1504905B1 - Vorrichtung zur sofortigen Tintenstrahldüsenreinigung - Google Patents

Vorrichtung zur sofortigen Tintenstrahldüsenreinigung Download PDF

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Publication number
EP1504905B1
EP1504905B1 EP04291982A EP04291982A EP1504905B1 EP 1504905 B1 EP1504905 B1 EP 1504905B1 EP 04291982 A EP04291982 A EP 04291982A EP 04291982 A EP04291982 A EP 04291982A EP 1504905 B1 EP1504905 B1 EP 1504905B1
Authority
EP
European Patent Office
Prior art keywords
cleaning device
cleaning
scraping
mail
vaned wheel
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 - Fee Related
Application number
EP04291982A
Other languages
English (en)
French (fr)
Other versions
EP1504905A1 (de
Inventor
Stéphane Le Gallo
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.)
Quadient Technologies France SA
Original Assignee
Neopost Technologies SA
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 Neopost Technologies SA filed Critical Neopost Technologies SA
Publication of EP1504905A1 publication Critical patent/EP1504905A1/de
Application granted granted Critical
Publication of EP1504905B1 publication Critical patent/EP1504905B1/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/16535—Cleaning of print head nozzles using wiping constructions
    • B41J2/16538—Cleaning of print head nozzles using wiping constructions with brushes or wiper blades perpendicular to the nozzle plate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/16535—Cleaning of print head nozzles using wiping constructions
    • B41J2/16544—Constructions for the positioning of wipers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16585—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles for paper-width or non-reciprocating print heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/16535—Cleaning of print head nozzles using wiping constructions
    • B41J2/16541—Means to remove deposits from wipers or scrapers

Definitions

  • the present invention relates to the field of mail processing and more particularly relates to a device for cleaning the ink ejection nozzles of an ink jet print head of a franking machine for mail items. .
  • the present invention proposes a device for cleaning the ink ejection nozzles which does not require the passage of these nozzles to a maintenance station and which can therefore be used during their operation.
  • An object of the present invention is also to provide a simple and inexpensive device, so as to allow its installation on cheap franking machines.
  • an ink ejection nozzle cleaning device of a postage meter ink jet printhead having scraping means characterized in that said means comprises a finned wheel. (88a, 38b) disposed in a transport path (28) of the mail items (30) to the right of the ejection nozzles (12a, 12b) and whose rotation is actuated by an article of mail during its advance under the print head (10).
  • the scraping means which comprises an optionally motorized finned wheel, is articulated between a scraping position in which the scraping means is disposed in the transport path of the mail items and a rest position in which the scraping means is arranged behind this transport path.
  • a cleaning means of said scraping means comprises a scraper which rubs each fin of the impeller.
  • the displacement of said support arm can be controlled according to the number of mail items counted by a position sensor disposed on the way of transportation of mail items.
  • This position sensor is advantageously arranged upstream of said scraping means.
  • FIG 10 is a partial view at the printing means of a mail processing machine.
  • the print head 10 which conventionally comprises two printing modules 12, 14 offset in a direction perpendicular to the advancing direction D of the mail items is mounted between two sets of drive rollers, a first set of two rollers Upstream 16, 18 superimposed, one of which, preferably the upper roller 16, is motorized and a second series of two downstream rollers 20, 22 superimposed also one of which, preferably the upper roller 20, is motorized.
  • an upper fixed plate 24 and a lower mobile plate 26 (also called mobile ski) define a path 28 for transporting the mail articles 30.
  • These plates are of course perforated to the right of the ejection nozzles of ink 12A, 14A of each print module.
  • the reference 32 illustrates one of the corresponding openings (the second 34 is behind the cutting plane due to the shift of the two modules).
  • the print head 10 is movable and can take two positions, a printing position in which the printing of a postal imprint is possible and a rest position or maintenance in which the print head is set back from the transport path 28 at a maintenance station to allow cleaning of the ink ejection nozzles, thus prohibiting any impression of a postal impression.
  • the print head 10 is now fixed in the printing position and the cleaning of the ink ejection nozzles is carried out directly in this position, ie in the very course of the printing process.
  • scraper means disposed in the path 28 for transporting mail items to the right of the ink ejection nozzles 12A, 14A and actuated by a mail item 30 when it is advanced under these nozzles .
  • this scraping means comprises two finned wheels 38A, 38B each provided with at least one fin or blade and arranged in line with a row of nozzles 12A, 12B of a given printing module, in the opening made in the fixed plates 24 and mobile 26, and whose rotation is controlled by the advance of a mail piece.
  • the impeller 38A, 38B being fixed, ie integral with the mail processing machine body, there is provided a light 26A, 26B in the fixed plate 26 so as to allow the displacement of this plate according to the thickness of the mail to print.
  • each fin combines elasticity and rigidity for effective cleaning without nozzle spoilage.
  • the scraping means In order to guarantee that the efficiency of the scraping means is maintained, it co-operates with an automatic blade cleaning means. polluted by the debris from the ink ejection nozzles, formed of a scraper 40A, 40B fixed, ie integral with the mail processing machine body, and on which will rub one after the other the blades of the finned wheels 38A, 38B.
  • FIG. 2 illustrates an alternative embodiment of FIG. 1 in which the vane wheel 38A, 38B is motorized by a motor 40A, 40B so that scraping of the ejection nozzles can be carried out also between the mail items, or even even in the absence of mail items.
  • each wheel provided with at least one fin or blade is mounted on a support arm 44A, 44B pivoting about an axis of articulation 46A, 46B secured to the movable plate 26, against an elastic means, for example a spring 48A, 48B, integral with the support arm at one end and the movable plate at its other end.
  • This spring mounting allows cleaning the nozzles with optimal application stress.
  • the support arm can move between a scraping position (corresponding to the position of the first embodiment) and a rest position set back from the transport path (preferably retracted under this path and which can be optionally also disengaged from the sputtering zone of the nozzles) under the action of a control means, for example a motor or an electromagnet 50A, 50B whose motor axis or the corresponding control rod 52A, 52b is connected to the associated support arm.
  • a control means for example a motor or an electromagnet 50A, 50B whose motor axis or the corresponding control rod 52A, 52b is connected to the associated support arm.
  • a kinematics with levers and pulleys can be provided between this control means and the finned wheels.
  • the control means is actuated from a processing means 54 according to various parameters including the number of mail items counted by a position sensor, of the tilt lever type 56, disposed on the article transport path. of mail upstream of the scraping means and actuated by the front of each mail item.
  • This number of mail items can be set according to the type of paper used or any other consideration, for example the country of installation of the machine.
  • the scraping of the nozzles is not performed when printing each mail item but after the passage of a given number of these items.
  • this latter cooperates in its rest position with an automatic cleaning means for the polluted fins formed of the fixed scraper 40A, 40B integral with the body of the machine and on which are going to rub one after the other the blades of the finned wheels 38A, 38B under the effect of the motorization of the wheel 42A, 42B.
  • the cleaning can be synchronized or not with the return of the support arm in its rest position.
  • the scraping of the nozzles can be done every 10 impressions but the cleaning of the fins (thus the launch of the motor 42A, 42B) only every 100 impressions.
  • FIG. 7 illustrates a third embodiment of the invention in which the hinge axis 46A, 46B of the support arm 44A, 44B and the control means 50A, 50B are no longer fixed on the mobile platform but are fixed directly on the body of the mail processing machine.
  • the motor control is simplified because it is no longer necessary to compensate for the displacement of the movable plate 26, the distance between the impeller and the nozzles is now fixed.
  • Figure 8 An alternative embodiment of Figure 7 is illustrated in Figure 8.
  • the control means 50A, 50B is disposed directly on the hinge axis 46A, 46B which further supports the resilient means 48A, 48B. This results in a more compact design which can then be easily integrated into existing machines without major structural changes.
  • the present invention can not be limited to the figures illustrated only and the skilled person will be able to complete without demonstrating inventive step.
  • the impeller can have a shape of forest (or worm), each helical cutting edge corresponding to a scraping edge of a pale.
  • the invention has been illustrated with a two-module print head, the use of a single module is equally conceivable.

Landscapes

  • Ink Jet (AREA)

Claims (8)

  1. Vorrichtung zur Reinigung von Tintenstrahldüsen eines Tintenstrahldruckkopfes einer Frankiermaschine umfassend ein Mittel zum Schaben, dadurch gekennzeichnet, daß das Mittel ein Flügelrad (38A, 38B) umfaßt, das dazu bestimmt ist, in einem Transportweg (28) von Poststücken (30) an den Tintenstrahldüsen (12A, 12B) angeordnet zu werden und dessen Drehbewegung jeweils durch ein Poststück bei dessen Vorbeigehen unter dem Druckkopf (10) ausgelöst wird.
  2. Reinigungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß dadurch, daß das Flügelrad zwischen einer Schabeposition, in welcher es in einem Transportweg von Poststücken der Frankiermaschine angeordnet ist, und einer Ruheposition, in welcher es aus dem Transportweg zurückgezogen ist, verschwenkbar ist.
  3. Reinigungsvorrichtung nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß sie unter anderem ein Mittel zur Reinigung des Flügelrades umfaßt.
  4. Reinigungsvorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß das Mittel zur Reinigung einen Schaber (40A, 40B) aufweist, der jeden Flügel des Flügelrades säubert.
  5. Reinigungsvorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das Flügelrad auf einem Schwenktragarm (44A, 44B) montiert ist, welcher sich zwischen einer Schabeposition und einer Ruheposition bewegen kann.
  6. Reinigungsvorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Bewegung des Schwenktragarm in Abhängigkeit von der Anzahl der von einem in dem Transportweg der Poststücke montierten Positionsnehmer (56) gezählten Poststücke gesteuert wird.
  7. Reinigungsvorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß der Positionsnehmer vor den Flügelrädern angeordnet ist.
  8. Reinigungsvorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß das Flügelrad motorisiert (42A, 42B) ist.
EP04291982A 2003-08-06 2004-08-03 Vorrichtung zur sofortigen Tintenstrahldüsenreinigung Expired - Fee Related EP1504905B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0309687A FR2858581B1 (fr) 2003-08-06 2003-08-06 Dispositif de nettoyage au vol de buses d'ejection d'encre
FR0309687 2003-08-06

Publications (2)

Publication Number Publication Date
EP1504905A1 EP1504905A1 (de) 2005-02-09
EP1504905B1 true EP1504905B1 (de) 2007-01-03

Family

ID=33548309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04291982A Expired - Fee Related EP1504905B1 (de) 2003-08-06 2004-08-03 Vorrichtung zur sofortigen Tintenstrahldüsenreinigung

Country Status (4)

Country Link
US (1) US7182428B2 (de)
EP (1) EP1504905B1 (de)
DE (1) DE602004004011T2 (de)
FR (1) FR2858581B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2065200A1 (de) 2007-11-30 2009-06-03 Francotyp-Postalia GmbH Vorrichtung zum Reinhalten eines Tintendruckkopfes

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7163348B2 (en) * 2004-01-05 2007-01-16 Pitney Bowes Inc. Postage meter for printing near the top edge of an envelope
JP4197004B2 (ja) * 2006-05-11 2008-12-17 ブラザー工業株式会社 インクジェット記録装置
KR20080020906A (ko) * 2006-09-01 2008-03-06 삼성전자주식회사 화상형성장치 및 화상형성장치의 구동 제어방법
FR2911813B1 (fr) 2007-01-31 2009-04-24 Neopost Technologies Sa Dispositif pour eviter l'encrassement des buses d'ejection d'encre d'une machine a affranchir
US8162468B2 (en) * 2008-12-15 2012-04-24 Pitney Bowes Inc. System and method for registering color ink jet printing in a mailing machine
US9469112B2 (en) 2009-03-09 2016-10-18 Hewlett-Packard Development Company, L.P. Rotary wiper assembly for fluid-ejection printhead
EP2620287B1 (de) 2012-01-25 2019-01-09 Neopost Technologies Wischvorrichtung für eine Tintenstrahlfrankiermaschine

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4160285A (en) * 1977-08-12 1979-07-03 Shibla James N Point locating apparatus
GB8919917D0 (en) * 1989-09-04 1989-10-18 Alcatel Business Systems Franking machine
US5757387A (en) * 1994-12-12 1998-05-26 Pitney Bowes Inc. Print head cleaning and ink drying apparatus for mailing machine
US5813326A (en) 1994-12-22 1998-09-29 Pitney Bowes Inc. Mailing machine utilizing ink jet printer
DE19522594C2 (de) * 1995-06-19 1999-02-04 Francotyp Postalia Gmbh Vorrichtung zur Reinhaltung der Düsen eines Tintendruckkopfes
FR2744060B1 (fr) * 1996-01-26 1998-04-30 Neopost Ind Dispositif de nettoyage de machine a affranchir a jet d'encre
DE19726643C1 (de) * 1997-06-18 1998-07-23 Francotyp Postalia Gmbh Vorrichtung zur Reinigung eines Tintendruckkopfes
US5806994A (en) * 1997-10-15 1998-09-15 Pitney Bowes Inc. Mailing machine having ink jet printing and maintenance system
US6585347B1 (en) * 2000-01-31 2003-07-01 Hewlett-Packard Company Printhead servicing based on relocating stationary print cartridges away from print zone
US6481686B1 (en) * 2000-09-25 2002-11-19 Quarton Inc. Multifunctional turntable for a leveling device
FR2814840B1 (fr) 2000-09-29 2002-12-27 Neopost Ind Machine d'affranchissement a haut debit
JP4790107B2 (ja) * 2000-10-13 2011-10-12 オリンパス株式会社 プリンタ
US6851787B2 (en) * 2003-03-06 2005-02-08 Hewlett-Packard Development Company, L.P. Printer servicing system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2065200A1 (de) 2007-11-30 2009-06-03 Francotyp-Postalia GmbH Vorrichtung zum Reinhalten eines Tintendruckkopfes
DE102007057819A1 (de) 2007-11-30 2009-06-04 Francotyp-Postalia Gmbh Vorrichtung zum Reinhalten eines Tintendruckkopfes

Also Published As

Publication number Publication date
DE602004004011T2 (de) 2007-07-12
DE602004004011D1 (de) 2007-02-15
EP1504905A1 (de) 2005-02-09
US7182428B2 (en) 2007-02-27
US20060017768A1 (en) 2006-01-26
FR2858581B1 (fr) 2005-11-04
FR2858581A1 (fr) 2005-02-11

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