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EP0255687A2 - Imprimante à jet d'encre avec une tête d'impression interchangeable à transducteur électrothermique - Google Patents

Imprimante à jet d'encre avec une tête d'impression interchangeable à transducteur électrothermique Download PDF

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Publication number
EP0255687A2
EP0255687A2 EP87110941A EP87110941A EP0255687A2 EP 0255687 A2 EP0255687 A2 EP 0255687A2 EP 87110941 A EP87110941 A EP 87110941A EP 87110941 A EP87110941 A EP 87110941A EP 0255687 A2 EP0255687 A2 EP 0255687A2
Authority
EP
European Patent Office
Prior art keywords
ink
print head
printing device
holder
ink printing
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Withdrawn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
EP87110941A
Other languages
German (de)
English (en)
Other versions
EP0255687A3 (fr
Inventor
Ernst Dipl.-Ing. Goepel
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP0255687A2 publication Critical patent/EP0255687A2/fr
Publication of EP0255687A3 publication Critical patent/EP0255687A3/fr
Withdrawn legal-status Critical Current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
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/34—Bodily-changeable print heads or carriages
    • 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

Definitions

  • the invention relates to an ink printing device according to the preamble of claim 1.
  • DE-OS 3l 42 l2l describes a fluid jet recording device in which the ink head has electrothermal transducers.
  • the electrothermal transducers are integrated on a substrate together with a corresponding control arrangement.
  • ink print head If one also forms such an ink print head as a multi-color print head, then it becomes a consequence of the multi-color ink reservoir contained in the print head heavy, which causes a high drive effort. This is particularly the case when such ink printheads are used in line printing devices in which the ink printhead is moved line by line when writing to the recording medium with the aid of electromotive drive devices.
  • the object of the invention is to design an ink printing device of the type mentioned at the outset in such a way that the ink printing head can be replaced as a function of the service life of the thermal converters, regardless of the function-related consumption of writing fluid and the number of writing nozzles used.
  • the easy interchangeability of a high-resolution ink writing head containing a plurality of writing nozzles e.g. can also be designed as a multi-color ink writing head, achieved in that special demultiplexer driver chips are integrated on the substrate receiving the thermal transducers, which reduce the number of control lines and thus enable the electrical plug-in capability of the ink head via contact strips in a small space.
  • the ink head is in a parking position outside the writing area in a parking position, controlled by a corresponding control arrangement.
  • the ink exit surfaces can be sealed and rinsed with an elastomer suction cup.
  • the positioning and suction function of the suction bell is carried out using a swivel system.
  • the ink print head is rinsed with ink and thus cleaned at the nozzle exit surfaces. Possibly. This removes gas bubbles in the ink supply chamber and in the ink supply system that impair the function of the ink print head.
  • the flushed ink is collected in a disposal container that is assigned to the printer.
  • an ink printing head 11 which is interchangeably arranged on a printer carriage l0, is moved line by line along a platen roller 12 with the help of an electromotive device, not shown here.
  • the ink print head 11 consists of a channel block l4 receiving the ink channels l3, which can be cast from plastic.
  • four ink nozzle groups are arranged on nozzle plates 15 on the ink print head 11 as shown in FIG. 1, which in turn are supplied with colored ink separately in the channel block 14 via ink channels 13.
  • the nozzle plates each have 20 nozzles 16, the entire printer as 80 nozzles.
  • the nozzle openings l6 of the nozzle plates l5 are connected to thermal transducers l7, the nozzle plates l5 with the nozzle openings l6 being arranged above the thermal transducers l7.
  • the thermal transducers l7 and the nozzle plates l5 of the nozzle group covering the thermal transducers are each arranged on a common substrate surface l8, which also contains the control lines l9 for the thermal transducers l7 records.
  • the thermal converters l7 are controlled via a demultiplexer driver chip, which is also integrated on the substrate surface l8.
  • the driver chip 20 is connected at its input to contact areas 2l, which interact with a contact connector strip 22, which is arranged on the printer carriage 10.
  • the contact surfaces 2l and the associated driver chips on the ink print head ll are covered by a cover plate 23.
  • Each ink channel l3 of the ink printhead 11 is sealed by an elastomer closure 24.
  • the entire ink printhead is interchangeably arranged on the printer carriage l0.
  • the printer carriage l0 has a holder with an ink coupling mechanism with a closure and contact mechanism, which is designed in such a way that when the ink printhead 11 is inserted into the holder, the ink supply is opened and the control arrangement 20 contacts and when the ink printhead is removed from the holder, the Ink supply is reliably interrupted.
  • the holder has an ink supply needle 25 in the form of a hollow needle which is surrounded by a residual ink receiver 26 of the printing carriage 10 containing a non-woven material.
  • the ink supply needle 25 (hollow needle) is connected via a non-return filter 27 in the form of a capillary filter to an elastic ink supply line 28 which supplies the ink print head 11 with ink from a stationary storage container 29 - which is interchangeably arranged in a holder 30.
  • An ink reservoir is arranged for each color, with a corresponding ink supply system. For the sake of clarity, only one system is shown.
  • a locking mechanism made of a hose clamp lever 3l which can be deflected against a spring 32 and which has an actuating piece 33 which cooperates with an actuating projection 24 on the ink print head ll.
  • the spring 32 presses the hose clamp lever 3l with its roller-shaped clamping projection 35 against the ink supply line 28 and clamps it off. This will prevent ink from flowing out of the ink supply needle 25 e.g. prevented during transport of the ink pressure device by hydrostatic overpressure or a backflow of the ink from the ink supply line into the lower-lying supply container 2l by hydrostatic negative pressure.
  • the holder For contacting the ink print head 11, the holder has a contact plug strip 22 with resilient contacts 36 arranged thereon, which cooperate with the contact surfaces 2l of the substrate surfaces 18 (FIG. 3).
  • a flexible line 37 connects the contact connector strip 22 to the central printer control, not shown here.
  • the ink supply needle 25 (hollow needle) perforates the elastomer closure 24 of the ink channels 13.
  • the actuation projection 34 opens the hose clamping mechanism via the actuation piece 33 and thus establishes the connection between the ink supply containers 29 and the print head 11.
  • the electrical contact takes place via the contact plug connector 22 or the contacts 36 of the substrate surface 18.
  • the ink print head 11 with its printer carriage 10 is in a parking position outside the writing area rich.
  • the ink print head 11 is closed there by means of an elastomer suction bell 39.
  • the one elastomer suction bell 39 is pivoted out of the ink outlet area 15 of the ink print head 11 via an electromotive drive device 38.
  • the elastomer suction bell 39 has lugs 40 which are guided in slots in a crank disk 4l.
  • the elastomer suction bell 39 is connected via an elastic hose 42 to a disposal container 43, to which a vacuum-generating device in the form of a pump can be assigned.
  • This disposal container 43 which receives the washing ink, is exchangeably fastened in a holder 45.
  • the vacuum-generating device 44 (pump) is actuated and ink is thus sucked into the ink channel l3.
  • the nozzles l6 of the nozzle plate l5 are flushed out and the air in the ink print head 11 is thus removed.
  • the ink writing head can also be rinsed at intervals during cleaning breaks and thus the writing nozzles 16 can be cleaned.

Landscapes

  • Ink Jet (AREA)
EP87110941A 1986-07-31 1987-07-28 Imprimante à jet d'encre avec une tête d'impression interchangeable à transducteur électrothermique Withdrawn EP0255687A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3625997 1986-07-31
DE3625997 1986-07-31

Publications (2)

Publication Number Publication Date
EP0255687A2 true EP0255687A2 (fr) 1988-02-10
EP0255687A3 EP0255687A3 (fr) 1989-04-26

Family

ID=6306441

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87110941A Withdrawn EP0255687A3 (fr) 1986-07-31 1987-07-28 Imprimante à jet d'encre avec une tête d'impression interchangeable à transducteur électrothermique

Country Status (1)

Country Link
EP (1) EP0255687A3 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008028A1 (fr) * 1988-03-03 1989-09-08 Eastman Kodak Company Cartouche d'encre et construction de logement pour appareil d'impression a jet d'encre multicolore
EP0412643A1 (fr) * 1989-07-18 1991-02-13 Hewlett-Packard Company Système de rÀ©gulation d'écoulement pour cartouches à encre
WO1991008111A1 (fr) * 1989-11-30 1991-06-13 Siemens Aktiengesellschaft Agencement de pistes conductrices dans des tetes d'impression a jet d'encre avec orifice circulaire d'amenee d'encre
EP0556011A3 (en) * 1992-02-10 1994-09-14 Canon Kk Ink jet recording apparatus
EP0382423B1 (fr) * 1989-02-03 1995-01-04 Canon Kabushiki Kaisha Tête d'enregistrement par jet d'encre, cartouche et appareil
EP0622233A3 (fr) * 1993-04-30 1995-06-07 Hewlett Packard Co Système d'interconnexion électrique pour une imprimante.
EP0622232A3 (fr) * 1993-04-30 1996-05-01 Hewlett Packard Co Dispositif d'essuyage pour le nettoyage des contacts électriques dans une imprimante et cartouche d'encre.
EP0890442A1 (fr) * 1997-06-18 1999-01-13 Hewlett-Packard Company Imprimante à jet d'encre avec système d'alignement et méthode
DE10136052A1 (de) * 2001-07-25 2003-02-13 Pelikan Hardcopy Production Ag Tintenpatrone sowie Druckkopf für einen Tintenstrahldrucker
CN103963476A (zh) * 2014-05-21 2014-08-06 深圳市巨鼎医疗设备有限公司 供墨针

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709730C2 (de) * 1977-03-05 1981-12-03 Olympia Werke Ag, 2940 Wilhelmshaven Tintenbehälter mit einem flexiblen Beutel
US4593294A (en) * 1985-04-22 1986-06-03 Exxon Printing Systems, Inc. Ink jet method and apparatus

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989008028A1 (fr) * 1988-03-03 1989-09-08 Eastman Kodak Company Cartouche d'encre et construction de logement pour appareil d'impression a jet d'encre multicolore
EP0382423B1 (fr) * 1989-02-03 1995-01-04 Canon Kabushiki Kaisha Tête d'enregistrement par jet d'encre, cartouche et appareil
EP0412643A1 (fr) * 1989-07-18 1991-02-13 Hewlett-Packard Company Système de rÀ©gulation d'écoulement pour cartouches à encre
WO1991008111A1 (fr) * 1989-11-30 1991-06-13 Siemens Aktiengesellschaft Agencement de pistes conductrices dans des tetes d'impression a jet d'encre avec orifice circulaire d'amenee d'encre
US6106097A (en) * 1992-02-10 2000-08-22 Canon Kabushiki Kaisha Ink jet recording apparatus having an exchangeable ink jet head cartridge mountable thereon and recovery method of said cartridge
EP0556011A3 (en) * 1992-02-10 1994-09-14 Canon Kk Ink jet recording apparatus
US6257701B1 (en) 1992-02-10 2001-07-10 Canon Kabushiki Kaisha Ink jet recording apparatus having an exchangeable ink jet head cartridge mountable thereon and recovery method of said cartridge
EP0622233A3 (fr) * 1993-04-30 1995-06-07 Hewlett Packard Co Système d'interconnexion électrique pour une imprimante.
EP0622232A3 (fr) * 1993-04-30 1996-05-01 Hewlett Packard Co Dispositif d'essuyage pour le nettoyage des contacts électriques dans une imprimante et cartouche d'encre.
US5598194A (en) * 1993-04-30 1997-01-28 Hewlett-Packard Company Wiping structure for cleaning electrical contacts for a printer and ink cartridge
EP0890442A1 (fr) * 1997-06-18 1999-01-13 Hewlett-Packard Company Imprimante à jet d'encre avec système d'alignement et méthode
DE10136052A1 (de) * 2001-07-25 2003-02-13 Pelikan Hardcopy Production Ag Tintenpatrone sowie Druckkopf für einen Tintenstrahldrucker
CN103963476A (zh) * 2014-05-21 2014-08-06 深圳市巨鼎医疗设备有限公司 供墨针
CN103963476B (zh) * 2014-05-21 2016-01-20 深圳市巨鼎医疗设备有限公司 供墨针

Also Published As

Publication number Publication date
EP0255687A3 (fr) 1989-04-26

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Inventor name: GOEPEL, ERNST, DIPL.-ING.