EP1243424A2 - Appareil d'impression - Google Patents

Appareil d'impression Download PDF

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Publication number
EP1243424A2
EP1243424A2 EP02090092A EP02090092A EP1243424A2 EP 1243424 A2 EP1243424 A2 EP 1243424A2 EP 02090092 A EP02090092 A EP 02090092A EP 02090092 A EP02090092 A EP 02090092A EP 1243424 A2 EP1243424 A2 EP 1243424A2
Authority
EP
European Patent Office
Prior art keywords
print head
station
cap
printhead
guide
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
EP02090092A
Other languages
German (de)
English (en)
Other versions
EP1243424A3 (fr
EP1243424B1 (fr
Inventor
Iain Ansell
Steven Roland Brace
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.)
Francotyp Postalia GmbH
Original Assignee
Francotyp Postalia 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 Francotyp Postalia GmbH filed Critical Francotyp Postalia GmbH
Publication of EP1243424A2 publication Critical patent/EP1243424A2/fr
Publication of EP1243424A3 publication Critical patent/EP1243424A3/fr
Application granted granted Critical
Publication of EP1243424B1 publication Critical patent/EP1243424B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/1752—Mounting within the printer
    • 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
    • B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
    • B41J2/16508—Caps, spittoons or covers for cleaning or preventing drying out connected with the printer frame
    • 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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
    • B41J25/316—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with tilting motion mechanisms relative to paper surface

Definitions

  • the present invention relates to an apparatus for printing, in particular a franking machine, with a along a first direction in a first longitudinal position movable print head and one for cooperation with the print head in the first longitudinal position Station for cleaning and / or maintaining and / or storing the print head.
  • printers operating on the inkjet principle usually required to maintain the printhead regularly, i.e. under among other things, the nozzles according to a certain pattern without being printed "Firing" the medium and the row or rows of nozzles with a wiper wipe to remove contaminants.
  • the cap points usually has a relatively soft all-round edge, which is a for first direction, i.e. plane parallel to the direction of travel of the printhead defined and can seal around a paragraph on the printhead.
  • first direction i.e. plane parallel to the direction of travel of the printhead defined and can seal around a paragraph on the printhead.
  • the edge being deformed due to its elasticity and dodges the printhead. Does the print head have its end position with respect to reached the cap, the edge can return to its original shape return and wraps itself around the paragraph on the printhead.
  • this known device has the disadvantage that the cap on the one hand, due to the frequent deformation, relatively heavy wear is subject. In addition, it is relatively complex to manufacture, since some tolerances have to be observed in order to actually have a good sealing behavior to achieve through the cap.
  • the present invention is therefore based on the object of a device of the type mentioned at the beginning, in which the Disadvantages mentioned above do not occur or at least to a lesser extent and in particular a simple, inexpensive manufacture with little Space is guaranteed.
  • This task is based on a device according to the preamble of claim 1 by the in the characterizing part of claim 1 specified features solved.
  • the present invention is based on the technical teaching that a simple and inexpensive to manufacture, requiring little space Configuration achieved when the printhead works together with the station in a second direction transverse to the first direction Direction towards the station is designed and / or arranged.
  • the movement of the print head along the second direction can be achieved in any way.
  • the printhead to perform a simple linear movement along the second direction to be moved towards the station. This can be done after the Printhead has already reached its first longitudinal position.
  • the movement along the second direction can also start while the Printhead is still moved along the first direction, so that the Print head finally approaches the station on a flat cam track.
  • the printhead is substantially parallel pivot axis extending to the first direction is pivotable or is arranged.
  • the swivel bearing can be particularly simple and achieve small-scale ways.
  • the pivot bearing is preferably simply from the appropriately designed longitudinal guide of the print head along the first direction, which saves additional space results.
  • a separate one can be used to effect the movement along the second direction Drive may be provided.
  • the movement along the is preferred second direction, however, by moving the print head along the achieved in the first direction in order to save an additional drive.
  • one designed to cooperate with the print head is preferred Guide device for guiding the print head during movement in the second direction when moving the print head along the provided in the first direction.
  • Guide device for guiding the print head during movement in the second direction when moving the print head along the provided in the first direction. This allows a defined one to be created in a simple manner Movement of the print head in the direction of the station can be achieved. This can also affect those that act on the print head during movement Accelerations through appropriate design of the management facility can be set easily.
  • the guide device can consist of one or more separate components be educated. It is preferably part of one for guiding the Printhead formed along the longitudinal guide provided in the first direction, so that a further space saving is achieved.
  • Movement along the second direction is preferred, as mentioned above achieved by moving the print head along the first direction.
  • the guide device to cause the printhead to move along the second direction is formed.
  • the guide works with others Words on the printhead so that it is along the second direction is moved.
  • a first guide surface of the guide device acts here with a second guide surface on the printhead.
  • first and second guide surfaces face each other during the contact entire movement. This can happen because the Management is designed in the manner of a forced management.
  • suitable means for example by springs, but also by Gravity ensures that there is always a contact force between the acts on both guide surfaces.
  • the printhead to move to the station in the second Direction formed or arranged due to its weight.
  • it can preferably be guided by a guide device to ensure a defined movement towards the station.
  • the station can be designed in any known manner.
  • the station includes a cap to cover the pressure elements of the Printhead.
  • the cap is preferred for achieving one when interacting sufficient sealing force at least with the print head resiliently mounted in the station along the second direction.
  • the resilient Storage not only ensures the sealing force, it also enables it Compensation for positioning inaccuracies between the print head and the cap. A particularly good compensation of such inaccuracies results if the storage of the cap is also designed so that it is in certain limits is movable transversely to the second direction.
  • the station comprises a wiping device for wiping the outlet area of the print elements of the print head and in addition or as an alternative, other functional elements more conventional Stations for cleaning, maintaining or storing the printhead.
  • printhead is not intended in the sense of the present invention only that part of a printing device can be understood that the Contains printing elements, for example the nozzles. Rather, the term also structural units from the pressure elements and the associated storage containers for the print medium and any brackets, in which such structural units are used. It is understood here others that the invention is based on any printing principles Lets you apply printheads.
  • moving the printhead onto the station should not only do so be interpreted that the entire printhead as a closed Unit is moved towards the station. Rather, it may be enough if the part of the printhead that carries the print elements, ultimately yes should cooperate with the maintenance station towards the station is moved.
  • Figures 1 and 2 show schematic partial sections of a preferred Execution of the device according to the invention in the form of a franking machine 1 with a print head 2 and a maintenance station 3.
  • the print head 2 can be used for printing along a first direction 4 by - not shown - Drive means are moved.
  • the print head 2 is through Guided elements that have a cylindrical longitudinal guide rod 5 and comprise a longitudinal guide trough 6, both on the housing 7 of the franking machine 1 are attached.
  • the print head 2 works on an ink jet principle. It includes an in Conventionally designed cartridge 2.1, which in addition to the ink supply on a paragraph 2.2 carries the pressure nozzles. It also includes a holder 2.3 in which the cartridge 2.1 is held interchangeably.
  • the print head 2 is in Figures 1 and 2 in different longitudinal positions shown with respect to the first direction 4. So he is in Figure 2 in his First longitudinal position shown, in which he with the maintenance station 3 so far cooperates as its paragraph 2.2 in a cap 8 of the maintenance station 3rd sitting.
  • the cap 8 sealingly covers the pressure nozzles of the cartridge 2.1 and thus prevents drying out if the printhead is not used for a long time the ink in the print nozzles and thus clogging them.
  • this connection is the result of the cylindrical design of the longitudinal guide rod 5 about the longitudinal axis 5.1 of the longitudinal guide rod parallel to the first direction 4 5 swiveling print head 2 in a first swivel position.
  • the printhead 2 is in a distance from the first longitudinal position shown second longitudinal position in which he is in a second Swivel position. This results from the engagement of his hook-shaped Approach 2.4 in the longitudinal guide trough 6, making it over the Most of its travel along the first direction 4 in its in figure 1 shown second pivot position is held.
  • the longitudinal positions of the print head 2 shown in FIGS. 1 and 2 are indicated in the other figure by a corresponding contour.
  • the contour 9 in FIG. 1 thus interprets the first shown in FIG Longitudinal position and first pivot position of the print head 2 while the contour 10 in Figure 2, the second longitudinal position shown in Figure 1 and represents second pivot position of the print head 2.
  • the print head 2 in the first direction 4 from its - through the contour 10 indicated in FIG. 2 - the second longitudinal position is released hook-shaped approach 2.4 at the end 6.1 of the longitudinal guide channel 6 from the Engagement with the longitudinal guide channel 6, the print head 2 as a result of it Weight force strives for it, in the direction of arrow 11 around the longitudinal guide rod 5 to pivot and accordingly in a second direction 12 to move to the maintenance station 3.
  • a guide device in the form of a Guide path 13 provided with a contact surface 2.5 of the print head 2 interacts.
  • the print head 2 is due to its weight with its contact surface 2.5 pressed against the guideway 13.
  • the Guide track 13 has a curved, over long distances to the first Direction inclined so that the paragraph 2.4 of the print head 2 when moving in the first direction 4 slowly in the second direction 12 is lowered onto the cap 8 until it is in the first longitudinal position of the Print head 2 sits in the cap 8.
  • the print head 2 When moving the print head 2 from its first longitudinal position In the first direction 4, the print head 2 is guided by the guideway 13 again pivoted accordingly until its hook-shaped approach 2.4 again comes into engagement with the longitudinal guide channel 6 and then through this in his second pivot position is held.
  • the pivoting movement of the print head 2 and thus the acceleration acting on it wide limits can be set. In particular, they can be set this way be that the wear of the guideway 13 and the contact surface 2.5 be kept as low as possible.
  • the cap 8 is in the maintenance station 3 movably supported by a spring 14 in a recess 15.
  • the arrangement of the cap 8 and the guideway 13 are matched to one another, that the spring 14 in the first pivot position of the print head 2, in which the cap 8 closes paragraph 2.2, due to the weight of the print head 2 slightly deflected. This creates a locking force between the cap 8 and paragraph 2.2 ensured.
  • the cap 8 has a relatively large game to the adjacent walls of the recess 15. This ensures that by appropriate Deformation of the spring 14 angular inaccuracies between the cap 8 and paragraph 2.2.
  • the maintenance station 3 is in the direction of arrow 16 by - not shown - Movable drive means. This makes it possible to the pressure nozzles Paragraph 2.2 in the second pivoting position of the print head 2 with a Wiper device 17 in the form of two wiper lips 17.1 and 17.2 for cleaning purposes to bring in contact.
  • the maintenance station with other variants May include functional units.
  • a reservoir be provided, in which the pressure nozzles also for cleaning purposes "fired" according to a predetermined pattern.
  • the cap is connected to a suction device which, when covered, sucks ink from the print nozzles.
  • FIGs 3 and 4 show details of another preferred embodiment the franking machine 1 'according to the invention, which in its basic structure and their basic function of those 1 and 2 is the same, so that only the differences are discussed shall be.
  • Figures 1 and 2 unchanged components with the same reference numerals as in Figure 1 and 2 provided.
  • the longitudinal guide trough 6 widens in the first direction 4 in one Section 6.2 'towards its end 6.1', so that the as a result of the weight of the print head 2 pressed against the section 6.2 ' hook-shaped approach 2.4 always when moving in the first direction 4 moved further in the direction of arrow 19, whereby the print head 2 in Direction of arrow 11 is pivoted into its second pivot position.
  • the longitudinal guide trough 6 'in the area of section 6.2' a curved course inclined over long distances to the first direction so that the section of the printhead 2 when moving in the first direction 4 slowly in the second direction 12 is lowered on the - not shown - cap until it is shown in the the first longitudinal position of the print head 2 sits in the cap.
  • Figures 5 and 6 show partial views of a further preferred variant the device according to the invention in the form of a franking machine 1 " with a print head 2 "and a maintenance station 3".
  • the printhead 2 " can be printed along a first direction 4 "by - not shown - Drive means are moved.
  • the printhead is 2 "through Guided elements that have a cylindrical longitudinal guide rod 5 " and a longitudinal guide trough 6 ", both on the housing 7" of the Franking machine 1 "are attached.
  • the print head 2 also works in this variant according to an inkjet principle. It comprises a cartridge designed in a conventional manner 2.1 ", which in addition to the ink supply on a paragraph 2.2" the printing nozzles wearing. Furthermore, it comprises a first holder 2.3 "in which the cartridge 2.1 "is held interchangeably. This first holder 2.3” sits along the second direction 12 "movable in a second holder 2.6", which is guided by the guide elements 5 "and 6".
  • the print head 2 " is in a second longitudinal position in FIGS. 5 and 6 with respect to the first direction 4 ". Its first longitudinal position, in which he cooperates with the maintenance station 3 "in so far as his paragraph 2.2 "in a cap 8" of the maintenance station 3 "is in the two figures indicated by the contour 20.
  • the cartridge is 2.1 " in a first transverse position with respect to the second direction 12 ", in which the Cap 8 "sealingly covers the pressure nozzles of the cartridge 2.1" and so at prolonged non-use of the printhead to dry the ink in the Pressure nozzles and thus their clogging prevented.
  • the first holder 2.3 is pressed against a stop 22 by a spring 21 biased, which with respect to a second transverse position of the cartridge 2.1 " the second direction 12 "and the upper end position of the first bracket 2.3 ".
  • a guide track 23 is requested on the housing 7 which cooperates with a contact surface 2.7 "of the first holder 2.3".
  • the guide track 23 has a curved, over long distances first direction 4 "inclined course.
  • FIGS. 7 and 8 show a further preferred variant of the invention Franking machine 1 '' ', which in its basic structure and their basic function of those from FIGS. 5 and 6 equals, so that only the differences should be dealt with. In this case, unchanged from the variant from FIGS. 5 and 6 Components with the same reference numerals as in Figures 5 and 6.
  • first bracket 2.3 is free to the second bracket 2.6 "movable and sits due to the weight on a guideway 24, which with a contact surface 2.8 "of the first Bracket 2.3 "interacts.
  • the guide track 24 represents the guide device which the Guiding the first holder 2.3 "and thus the cartridge 2.1" during the process from the illustrated second transverse position to that in FIGS. 5 and 6 assumed by the contour 25 first transverse position.
  • the guideway 13 has a curved, over long distances to the first direction 4 "inclined course, so that the Paragraph 2.2 “of the cartridge 2.1” when moving in the first direction 4 " slowly lowered in the second direction 12 "onto the cap 8" until he sits in the first longitudinal position of the print head 2 "in the cap 8".
  • the guideway 24 extends over the entire travel of the print head 2 ", so that it is in any longitudinal position of the print head 2 "determines the transverse position of the cartridge 2.1".
  • the selected course of inclination of the guide track 24 can cause the transverse movement the cartridge 2.1 "and thus the acceleration acting on it in a wide range Limits can be set. In particular, they can be set that the wear of the guide track 24 and the contact surface 2.8 "as possible be kept low.
  • FIGS 9 to 11 show schematic partial sections through another preferred embodiment of the device according to the invention, which in their basic structure and their basic function of those from Figure 1 is the same, so that only the differences are discussed should. In particular, the same components have the same reference numbers Mistake.
  • a guide device in the form of a Guide track 26 is provided on the bracket 2.2 "" with a guide pin 27 cooperates on a support member 28 of the maintenance station 3 "" is attached.
  • the print head 2 "" is from its first pivot position shown in Figure 9 unlike the variant from FIG. 1, not by a further method in the first direction 4 in its second shown in Figure 10 Swiveled position swiveled. Instead, this will be in its first Printhead 2 "" in the longitudinal position by moving the maintenance station 3 "" reached against direction 16.
  • the guide pin 27 has a conical contact surface on.
  • the side wall 26.1 of the guideway 26 runs against this contact surface 27.1 - as indicated by the contour 29.
  • This will cause the printhead 2 "" slightly raised in further direction in the first direction 4, which makes it more hook-shaped - not shown in FIGS. 9 to 11 Approach 2.4 slightly from the longitudinal guide trough - not shown in Figures 9 to 11 6 takes off. Only after this has been done does the hook-shaped one reach Approach 2.4 in the further process of the print head 2 "" in the first direction 4, the end 6.1 of the longitudinal guide trough 6, the printhead 2 then already through the guide pin 27 in its second pivot position is held. This configuration ensures that the Print head 2 "" without snagging from one guide device to the other management facility is handed over.
  • the one chosen with regard to the direction 16 Inclination course of the guide track 26 can be the pivoting movement of the Printhead 2 and thus the acceleration acting on it in wide Limits can be set. In particular, they can be set that the wear of the guideway 26 and the guide pin 27 as possible be kept low.

Landscapes

  • Ink Jet (AREA)
  • Printers Characterized By Their Purpose (AREA)
EP02090092A 2001-03-21 2002-03-01 Appareil d'impression Expired - Lifetime EP1243424B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114541A DE10114541A1 (de) 2001-03-21 2001-03-21 Vorrichtung zum Drucken
DE10114541 2001-03-21

Publications (3)

Publication Number Publication Date
EP1243424A2 true EP1243424A2 (fr) 2002-09-25
EP1243424A3 EP1243424A3 (fr) 2003-08-13
EP1243424B1 EP1243424B1 (fr) 2005-09-07

Family

ID=7678894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02090092A Expired - Lifetime EP1243424B1 (fr) 2001-03-21 2002-03-01 Appareil d'impression

Country Status (3)

Country Link
US (1) US6709087B2 (fr)
EP (1) EP1243424B1 (fr)
DE (2) DE10114541A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1279509B1 (fr) * 2001-07-24 2009-06-10 Pelikan Hardcopy Production AG Dispositif de nettoyage d'une tête d'impression d'une imprimante à jet d'encre

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPP702498A0 (en) * 1998-11-09 1998-12-03 Silverbrook Research Pty Ltd Image creation method and apparatus (ART77)
JP4541871B2 (ja) * 2004-12-21 2010-09-08 株式会社セイコーアイ・インフォテック メンテナンスユニット及びインクジェットプリンター
WO2012057741A1 (fr) * 2010-10-27 2012-05-03 Hewlett-Packard Development Company Dispositif de couverture de tête d'impression et imprimante
US9919532B2 (en) 2014-03-28 2018-03-20 Qualicaps Co., Ltd. Inkjet-head cleaning device and method
DE202014102699U1 (de) 2014-06-11 2014-06-24 Francotyp-Postalia Gmbh Druckergerät
DE202014102697U1 (de) 2014-06-11 2014-06-24 Francotyp-Postalia Gmbh Druckergerät
JP7401367B2 (ja) * 2020-03-23 2023-12-19 株式会社Ｓｃｒｅｅｎホールディングス 印刷装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0720912A2 (fr) 1995-01-04 1996-07-10 Brother International Corporation Dispositif d'entretien dans un appareil d'impression à jet d'encre

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Publication number Priority date Publication date Assignee Title
US4177471A (en) * 1977-11-04 1979-12-04 Silonics, Inc. Carriage and raceway mechanism for an ink jet printer
FR2519583A1 (fr) 1982-01-12 1983-07-18 Smh Alcatel Mecanisme d'entrainement et d'impression pour machine a affranchir
US4763575A (en) 1987-04-06 1988-08-16 Pitney Bowes Inc. Envelope pressure plate for mailing machine
FR2649231B1 (fr) 1989-06-30 1991-09-13 Alcatel Satmam Machine de bureau d'expedition d'articles postaux
US5471230A (en) * 1990-02-13 1995-11-28 Canon Kabushiki Kaisha Capping means and ink jet recording apparatus using the same
JPH04131249A (ja) * 1990-09-22 1992-05-01 Canon Inc インクジェット記録装置用吸引回復装置
JP3157623B2 (ja) * 1992-10-02 2001-04-16 キヤノン株式会社 インクジェット記録装置
JP2791350B2 (ja) 1994-01-28 1998-08-27 セイコープレシジョン株式会社 印字装置
JP3350361B2 (ja) * 1996-07-29 2002-11-25 ブラザー工業株式会社 インクジェット記録装置
DE69708570T2 (de) * 1996-09-23 2002-07-25 Pitney Bowes Inc Tintenstrahldrucker mit Vorrichtung zur Justierung eines Druckkopfes mit einem Erwartungssystem
DE20012946U1 (de) * 2000-07-26 2000-09-21 Rena Informationstech Gmbh Tintenstrahldrucker, insbesondere zur Beschriftung von Versandstücken

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0720912A2 (fr) 1995-01-04 1996-07-10 Brother International Corporation Dispositif d'entretien dans un appareil d'impression à jet d'encre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1279509B1 (fr) * 2001-07-24 2009-06-10 Pelikan Hardcopy Production AG Dispositif de nettoyage d'une tête d'impression d'une imprimante à jet d'encre

Also Published As

Publication number Publication date
EP1243424A3 (fr) 2003-08-13
DE50204140D1 (de) 2005-10-13
US20020135633A1 (en) 2002-09-26
DE10114541A1 (de) 2002-10-02
US6709087B2 (en) 2004-03-23
EP1243424B1 (fr) 2005-09-07

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