EP1782955A1 - Méthode et dispositif de purge d'une tête d'impression à jet d'encre - Google Patents

Méthode et dispositif de purge d'une tête d'impression à jet d'encre Download PDF

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Publication number
EP1782955A1
EP1782955A1 EP06021927A EP06021927A EP1782955A1 EP 1782955 A1 EP1782955 A1 EP 1782955A1 EP 06021927 A EP06021927 A EP 06021927A EP 06021927 A EP06021927 A EP 06021927A EP 1782955 A1 EP1782955 A1 EP 1782955A1
Authority
EP
European Patent Office
Prior art keywords
ink
print head
free
baffle plate
baffle
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
EP06021927A
Other languages
German (de)
English (en)
Other versions
EP1782955B1 (fr
Inventor
Olaf Turner
Wolfgang Muhl
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 EP1782955A1 publication Critical patent/EP1782955A1/fr
Application granted granted Critical
Publication of EP1782955B1 publication Critical patent/EP1782955B1/fr
Not-in-force 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
    • B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
    • 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
    • B41J2/1721—Collecting waste ink; Collectors therefor
    • B41J2/1742—Open waste ink collectors, e.g. ink receiving from a print head above the collector during borderless printing
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00508—Printing or attaching on mailpieces
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00508—Printing or attaching on mailpieces
    • G07B2017/00516—Details of printing apparatus
    • G07B2017/00524—Printheads
    • G07B2017/00532—Inkjet
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B17/00—Franking apparatus
    • G07B17/00459—Details relating to mailpieces in a franking system
    • G07B17/00508—Printing or attaching on mailpieces
    • G07B2017/00516—Details of printing apparatus
    • G07B2017/00556—Ensuring quality of print

Definitions

  • the invention relates to a method and apparatus for the free spraying of an ink jet print head of an ink printing system, in particular in a franking and / or addressing machine or in a mail processing system.
  • franking machines with inkjet printheads are known, see EP 0 696 509 B1 and US 5,806,994 in which the letters are transported horizontally and the nozzle surfaces are arranged parallel thereto. With these machines, the nozzles that are little or unused during printing are sprayed free as long as there is no letter in front of the print head. The ink consumption is reduced in this way.
  • the mail transport device is provided with corresponding recesses and arranged below the same a collecting container for the sprayed ink.
  • this solution is only suitable for the transport of horizontally lying letters.
  • franking machines of the type Jetmail ® of the manufacturer Francotyp Postalia GmbH are known in which the print carrier or mail pieces upright, inclined for stability reasons beyond the vertical, are transported by means of a conveyor belt, see DE 196 05 014 C1 and DE 197 57 653 C2 .
  • a mail piece for example a filled envelope, lies behind a transparent plate on a guide plate, in which a printing window is provided and in which the ink print head is stationarily arranged.
  • the envelope is passed past the printing window or the ink jet print head and printed on the side facing away from the viewer while.
  • ink printhead cleaning and sealing is achieved by means of a device for cleaning an ink jet print head, see EP 0 799 135 B1 in which the ink jet print head is alternatively fastened from a printing position into a cleaning position and / or sealing position and pivoted back again, and the cleaning and sealing device is arranged to be linearly adjustable, toward and away from the ink jet print head.
  • a device for positioning an ink jet print head and a cleaning and sealing device is known, see DE 197 26 642 C1 in which for the adjustment of the ink jet print head and the cleaning and sealing device, a common transmission is provided, which is driven by a motor which runs only in one direction of rotation.
  • the inkjet print head, the cleaning and sealing device and the common gearbox together with the motor are mounted in a common frame and thus combined to form a compact module.
  • This assembly is in turn adjustably attached to the transport device.
  • the inkjet print head can be swiveled from the print position into the cleaning position and back again by more than 90 °.
  • the cleaning and sealing device is arranged vertically adjustable in height below the ink print head and docked during the cleaning process to the downwardly tilted ink jet print head. It is therefore also the procedure for free spraying.
  • An ink service station consisting of a container with a sword and a resilient plate on which adherent ink can form stalagmites until the latter severed the latter.
  • the resilient plate can break off at the pivot point and therefore has only a short life.
  • Undefined shearing of a stalagmite does not ensure that the sheared sticky ink residue falls into the sump. They may also adhere unpleasantly near the free-spray position or at the stalagmite residue and then cause the above-mentioned problems.
  • shearing / cutting off the stalagmites with a shearing edge moving relative to the ink sump would soil the shearing edge.
  • the sump can be moved relative to the shear edge, but the sheared and initially loosely adhered to the shear edge stalagmite material is difficult to control in its later movement. Therefore, it is possible for this material to be stray in the machine and sooner or later fall to a location where it contacts and contaminates the printhead nozzles. The effect worsens when the drying behavior of the ink residue is only vaguely known or variable, such as changing environmental conditions or use of different inks, as well as the transport of the machine.
  • a collection system for waste ink is from the US 2003/0052940 A1 and includes a rotatable disc in the form of a saucer, which receives the ejected from the printhead during free spraying ink residues and then rotated further. On the disc forms a waste ink layer, which is distributed very unevenly.
  • the invention has for its object to provide a method and apparatus for the free spraying of an ink jet print head in a printing device, which has a long maintenance free life and despite a very common in general free spraying, the above-mentioned disadvantages of the known solutions "shearing" or In particular, the waste ink generated during the free-spraying process should be distributed more evenly.
  • a printing device in particular in a franking and / or addressing machine or in a mail processing system, in which the print carriers or mail pieces are transported past a fixed during printing ink jet print head and wherein the ink jet print head is arranged behind a guide plate stationary pivotally, and with the print carrier or mail piece transport should be as little as possible contaminated.
  • the object is achieved according to claim 1, with a method for relatively moving a baffle in a flat space or in a plane parallel to the nozzle surface of the at least one ink print head during the free spraying, wherein during the free spraying ejected from the ink print head ink droplets by a rapid rotational movement of a Disc or a baffle element are deflected in their movement.
  • the object is also achieved with a device according to claim 10. It is envisaged that the baffle element is driven by a first drive and performs a rapid movement about an axis for the distribution of ink droplets.
  • waste ink droplets are deflected so that the deposition takes place over a larger area than would be the case with direct spraying on an obstacle or in a drip pan.
  • the deposition can be done on an impact obstacle and an air-flow filter element or large-scale environment.
  • the at least one ink jet print head is moved to a marginally displaced position during the free spouting, before or after.
  • the ink jet print head and the impact element are freely movable relative to each other until a free spray position is reached near the printing position.
  • the impact element In connection with the free spraying, the impact element is moved relative to at least one ink print head in a plane parallel to the nozzle surface of the at least one ink print head.
  • the baffle is moved during the free-spraying to prevent stalagmite height growth. It is also possible to move both the impact element and the at least one ink print head during the free-spraying.
  • a baffle plate is provided with a baffle which is moved rapidly during the free-spraying, the movement being effected by a first drive and a second drive, the ink-jet module receiving and the Baffle slowly moved.
  • a movable baffle element is a plate or disc which is rotatably mounted on the baffle plate and driven by the first drive. At the same time, the marginal space near the printing position is optimally utilized.
  • a franking machine usually has a transport device for transporting print carriers on the front side.
  • the transport of edge-standing print carriers or mail items takes place from left to right while at least one ink print head is firmly positioned in a print position.
  • franking machines of the type Jetmail® from the manufacturer Francotyp Postatlia GmbH are out DE 196 05 014 C1 and DE 197 57 653 C2 known in which the print carrier or mailpieces are conveyed by means of a conveyor belt.
  • FIG. 1a shows a perspective view of an ink printing system 1 from the right rear top of a printing module receptacle 12 with two ink jet print heads in the printing position, according to a first embodiment.
  • the illustration is partially schematized for simplicity and ease of understanding, ie, the transport device, chassis, frame and housing were not shown.
  • the nozzle area of the inkjet print heads lies parallel to the surface of a mail piece 9 to be printed.
  • Each of the two inkjet printing heads is installed, for example, in a postal printing module I or II.
  • Such postal printing modules include an ink tank and an additional memory chip. Details on the structure of such postal printing modules and their control are the DE 100 36 345 B4 removable. If, according to FIG.
  • an ink printing system 1 with a printing module receptacle 12 has been shown for two printing modules I, II, a modified printing module receptacle can also be used for only one printing module 11 or several of the printing modules.
  • the pressure module receptacle 12 is rotatably mounted about an axis of rotation 121 and can be pivoted from the printing position shown to other positions.
  • a movable baffle element 4 is arranged between the pressure module receiving 12 and the ink sump 43.
  • the movable baffle element according to the first embodiment, a disc 40 which is mounted centrally. The disk 40 is located on a secant, which rotates about the axis of rotation 121 on the one hand and on the other hand, the ink sump 133 intersects at an obtuse angle ⁇ .
  • FIG. 1b shows a perspective view of an ink printing system 1 from the rear right on top of a printing module receptacle 12 with two ink-jet printheads in free-spray position.
  • the free-spray position is located not far from the printing position, so that only a small rotation of the printing module receptacle 12 is required. As a result, the free-spray position near the printing position can be reached much faster than a free-spray position near or in the cleaning and sealing station. If the printing module receptacle 12 is pivoted into the spray-free position not far from the printing position, then the disk 40 is arranged approximately parallel to the nozzle surface of the inkjet printing heads 110, 120 (shown by dashed lines).
  • the relative to the printing position resulting complementary acute angle ⁇ corresponds to the angle of rotation about the rotation axis 121 upon rotation in the spray-free position.
  • the disc 40 is rotatably mounted about a shaft 41 and is driven by a motor 5.
  • the motor 5 acts with its drive pulley 6 indirectly via a belt 7 on the disc 4, which moves in the direction of rotation (arrow). From a certain rotational speed, the ink drops are thrown off by centrifugal forces. The ink drops closest to the shaft 41 splash onto the disk 40 and spiral into a direction continuing from the shaft 41 to the outer edge of the disk.
  • the free spraying is done every time to a different location of the disc.
  • the critical stalagmite formation is avoided despite very low height. There are no undefined stray stubborn stalagmites left in the machine. The remnants of ink are bound in a thin layer on the disk and at its edge so that they do not interfere with the operation of the inkjet print heads.
  • the motor 5 with its drive pulley 6 act directly on the disc 40 via a friction effect of a friction lining or an external toothing. At the outer edges of the disc 40 and the drive pulley 6 corresponding friction linings are applied thereto or the disc 40 and the drive pulley 6 are made with an external toothing. A belt can then be omitted.
  • a variant is used, wherein the motor 5 of the first drive is mechanically connected directly to the axle shaft 41 of the disc 40, which will be explained with reference to the figures 3a, 3b, 4a, 4b and 8b.
  • the print module holder 12 is again rotatably mounted about an axis of rotation 121 and can be pivoted from the print position shown to other positions. Between the pressure module receptacle 12 and the ink sump 43, a movable baffle element 4 is again arranged.
  • FIG. 2b shows a perspective view of an ink printing system 1 on a printing module receptacle 12 with two inkjet printing heads in the spray-free position, according to the second embodiment with horizontal transport lying mail pieces.
  • the disk 40 is again rotatable and arranged approximately parallel to the nozzle surface of the ink jet print heads and is driven by a motor 5.
  • the complementary acute angle ⁇ which results in relation to the printing position corresponds to the angle of rotation about the axis of rotation 121 when rotating into the spray-free position.
  • alternative drive mechanisms should not be ruled out in order to generate the rotational movement of the disc 40.
  • FIG. 3a shows a side view with a cross section through a baffle element 4 * according to a third embodiment.
  • a front edge 13201 * and a rear edge 13202 * of a baffle plate are bent into the illustrated orthogonal position to baffle bottom 1320 *. Further existing right and left side wings of the baffle plate are not shown due to the cross section.
  • a rotor 134 * is arranged centrally, which is designed to accommodate ink drops as a hub 1340 *, from which at least two mutually opposite blades 1341 * and 1345 * orthogonal rise.
  • a motor 13294 * is on the side facing away from the ink jet print heads of the baffle plate bottom 1320 * attached and has a shaft 13295 *, which protrudes through an opening, not shown in the baffle plate bottom 1320 * and is mechanically non-positively and positively connected to the rotor 134 *.
  • Fig. 3b the plan view of the baffle element 4 * is shown according to the third embodiment.
  • the left side rocker 13207 * of the baffle plate and the right side rocker 13206 * of the baffle plate are shown cut and fixed on the baffle plate bottom 1320 * together connected.
  • the baffle bottom 1320 * is also bounded by the front and rear edges 13201 * and 13202 * of the baffle.
  • the turntable 1340 * has the blades 1341 * to 1348 *.
  • FIG. 4a shows a side view with a cross section through a baffle element 4 'according to a fourth embodiment.
  • a rotor 134' is centrally arranged, which is designed for swirling of ink splashes as impeller.
  • an opening 13200' is incorporated, which serves for the discharge of air with swirling ink or ink. The ink is caught by an ink sump 43 '.
  • FIG. 4b shows a plan view of a baffle element 4 'according to the fourth embodiment, wherein the baffle element 4' has an impeller-shaped rotor 134 'with a plurality of vanes.
  • the embodiment of the baffle 4, 4 *, 4 'and in particular of the rotor 134 may be different from the embodiments shown when commercial fans are used with a flat design and a speed of 800 to 8000 revolutions per minute.
  • the effect of centrifugal force on an ink droplet depends on its physical parameters (mass, viscosity, drying time) and can be increased by increasing the number of revolutions. Since different inks are used in franking machines for ink-jet printing, a suitable number of revolutions must be empirically determined and set.
  • the meter manufacturer recommends the use of certain inks for the user's convenience.
  • Each fan generates an airflow. As a result, quantities of ink in the air are swirled and deposited elsewhere, for example on an edge of the impact element.
  • FIG. 5a shows a perspective view of the frame of an ink printing system with cleaning and sealing device from the rear left top, according to the third, fourth and a preferred fifth embodiment.
  • a cleaning and sealing device 13 for ink jet print heads 110, 120 not shown
  • An ink print head and an ink tank are each a part of an ink printing module (11 not shown).
  • the upper part of the frame 10 is shown without the internally mountable means for receiving two ink pressure modules I and II.
  • a first wall plate 101 on the left in the frame 10 and a second wall plate 102 in the middle of the frame 10 are screwed together by spacers 104, 105.
  • the second wall plate 102 in the middle of the frame 10 is screwed via spacers 106, 107 at a smaller distance with a third wall plate 103 on the right in the frame 10.
  • the first wall plate 101 carries centrally in the upper part a pin 1013 protruding to the left for fastening a tension spring 1322.
  • the first wall plate 101 has a borehole 1011 for a pivot 1321 and a circular arc-shaped elongated hole 1010 for a rubber sleeve 1324.
  • a fixing pin 13221 of the baffle plate 132 (not visible), which is rotatably mounted in the borehole 1011 with its pivot 1321.
  • the tension spring 1322 is mounted with both ends on the pin 1013 and on the fixing pin.
  • the frame 10 is fixed to a - not shown - chassis via fastening means 14, consisting of a detachable Switzerland Glance 140 and two pull bars 141 and 142.
  • the detachable Switzerland choir 140 for two pull bars 141 and 142 extends on the rack rear side with the pins 1401th or 1402 over the first wall plate 101 and third wall plate 103 addition to the tie bars 141 and 142, which rest on the outside of the wall plates 101 and 103 loosely and are rotatably mounted at one end on one of the pins.
  • the cleaning and sealing device 13 in the lower part of the frame 10 includes means which are mounted on a carriage 137.
  • the carriage 137 is arranged in a second slot 1012 of the first wall plate on the left of the frame and - not visible - in a third slot of the second wall plate in the middle of the frame and linearly displaceable. Both slots extend on the respective wall panels from the back of the rack down to at least the center of the frame. It is explained below with reference to FIG. 10 that the carriage 137 is displaced obliquely upward from the starting position shown in FIGS. 5, 8 and 9 to the center of the frame 10 so that the two inkjet printing heads are in a spray-free position at a sealing station of the cleaning and sealing device 13 abut.
  • For cleaning and sealing device 13 includes the above-mentioned but not visible baffle plate 132nd
  • Fig. 5b is a perspective view of an ink printing system from the left rear top, shown with the rear wall of the housing.
  • the above-mentioned frame 10 is positively secured to a chassis (not visible). Parallelism between the transport direction and the print lines is achieved.
  • the chassis carries a transport device 2 comparable to the Jetmail® franking machine, which is not visibly driven by a motor located at the bottom of the right-hand side of the ink printing system.
  • at least one ink printhead is stationarily but pivotally mounted behind a guide plate having a print window (not visible). In the print position, the at least one ink print head is positioned in the print window.
  • a spray-free position is arranged as close to the printing position, so that the time duration for the process of the at least one ink jet print head in the free spray position or back to the printing position is the shortest compared to the other positions.
  • a microprocessor control is arranged on the left side of the ink printing system.
  • the ink printing system is, for example, a postage meter equipped with a plexiglass plate 25 for touch protection and with a guide plate 22 for mailpieces which are inclined beyond the vertical, so that the mail pieces abut against the guide plate 22.
  • FIG. 6 shows a perspective view of a baffle plate 132 and its arrangement on the first wall plate 101 of the frame according to the preferred embodiment, from the rear right above.
  • a hole 1014 is arranged, which is intended for receiving a pin.
  • a hole in the first wall plate 101 is arranged, which is intended for rotatably receiving a left pivot 1321 of a left side rocker 13207 of the baffle plate.
  • a right side rocker 13206 of the baffle plate and the left side rocker 13207 of the baffle plate are firmly connected to one another via a baffle plate bottom 1320.
  • a turntable 1329 is centrally arranged, which is designed for receiving and ejection of ink splashes by centrifugal forces.
  • Fig. 7 is an exploded perspective view of the baffle plate, a tension spring and its attachment to the baffle plate, according to the preferred embodiment shown from the rear right above, wherein the frame has been omitted.
  • all parts are formed from a piece of sheet metal, thereby bending the aforesaid side wings 13206 and 13207 and a front edge 13201 and the rear edge 13202 of the orthogonal position to the baffle bottom 1320.
  • the right side rocker 13206 of the baffle and the left side rocker 13207 of the baffle have pivots 1327 or 1221 at the pivot point of the wings on.
  • the wings are bummerangartige moldings with an inwardly curved contour that can serve as a backdrop.
  • An upwardly facing edge of the left side rocker 13207 of the baffle serves as a leading edge 1323.
  • a hole 13208 is provided in the left side rocker for the attachment pin 13221.
  • the hole 13208 is near the middle of one half of the rocker, which is closest to the axis of rotation.
  • the fastening pin 13221 is used to attach one end of the tension spring 1322.
  • the perspective view of the tension spring 1322 and its attachment to the baffle plate is shown blasted.
  • To attach the mounting pin 13221 on the leg of the left rocker 13207 is a thread in the hole 13208.
  • the mounting pin 13221 is enveloped by a plugged rubber sleeve 1324, which acts to dampen noise when the baffle plate 132 reaches an end position.
  • FIG. 8 a shows a vertical cross section through the ink pressure system with a side view from the left onto an ink-jet module receptacle with two ink-jet printheads in a spray-free position on the baffle plate.
  • the first wall panel has been omitted in FIG. 8a for the sake of better illustration of the details.
  • the ink pressure module receptacle 12 is designed to receive at least one ink pressure module 11.
  • An ink printing module 11 has at least an ink tank and an ink jet print head.
  • ink printing modules 11 for example, 1 ⁇ 2 inch ink cartridges from Hewlett Packart are suitable, which are equipped by Francotyp-Postalia GmbH with an additional memory chip.
  • the ink pressure module receptacle 12 is arranged pivotably above the cleaning and sealing device 13 in the frame 10 about a rotation axis 121.
  • a first stop 126 on the second wall panel 102 is reached by the ink pressure module receptacle 12 in the printing position.
  • the ink-jet module receptacle 12 with two ink-printing modules 11 can be pivoted from the printing position into the spray-free position shown or into another position. Another position is, for example, a - not shown - Change position in which the ink pressure module receptacle 12 by more than 90 ° backwards and is pivoted. Only in the change position, the ink pressure modules 11 are interchangeable.
  • the ink-jet module receptacle 12 To move the ink-jet module receptacle 12 into the change position, a longest time is needed relative to the other positions until the ink-pressure module receptacle 12 reaches a stop 127.
  • the further stop 127 on the second wall sheet 102 of the frame 10 is arranged adjustable and lockable and is taken as the outermost position after the cleaning area.
  • the movement space of the ink pressure module receptacle 12 lies within the interior of the frame 10 which is bounded laterally by the spacers 104, 105 for wall panels and downwards through the ink sump 133.
  • the inkjet printing heads 110, 120 are concealed by the baffle plate 132 and are therefore shown in sections in FIG. 8b ,
  • FIG. 8b shows a detail of the side view of the baffle plate according to the preferred embodiment.
  • the baffle plate 132 is shown cut open.
  • the movable impact element is a plate-shaped disk 1329 which is mounted centrally on the baffle plate bottom 1320. It is arranged so that the free spraying of the inkjet printing heads 110, 120 takes place near the edge of the disk.
  • the axis of rotation 13295 of the motor 13294 of the first drive serves as a shaft for the plate-shaped disc 1329. It is envisaged that the disc also - not shown - interruptions (holes, slots) has to produce an air flow.
  • the plate-shaped disc 1329 is rapidly rotated at least 800 revolutions per minute while free-spraying occurs.
  • the method of ink ink module recording 12 from the printing position in the spray-free position on the baffle plate is a shortest Time required compared to the time required to reach one of the other positions.
  • FIG. 9 shows a vertical cross section through the ink printing system with a side view from the left onto an ink print module receptacle 12 with two ink print heads in print position.
  • the first wall panel has also been omitted in FIG. 9a for the sake of better illustration of the details.
  • the ink printing system 1 has an ink print module receptacle 12 which can be pivoted in the frame 10.
  • a rotary encoder 125 is connected to a microprocessor control (not shown).
  • the transmission of the ink pressure module receptacle 12 is driven by a servomotor 124.
  • the baffle plate 132 is rotatably mounted by means of pivot pins 1321 and 1327.
  • a wheel 122 is rotatably mounted and on a side rocker of the baffle plate 132 is a leading edge 1323 is formed.
  • the baffle plate 132 is connected to the frame 10 via a tension spring 1322, which biases the baffle plate 132, whereby the wheel 122 frictionally rests against the leading edge 1323.
  • a fixing pin 13221 is mounted, which is connected to one end of the tension spring 1322.
  • the wheel 122, the leading edge 1323 and the tension spring 1322 form a slotted guide for the baffle plate 132.
  • the leading edge 1323 is formed on the left side rocker of the baffle plate 132.
  • FIG. 10 is a vertical cross section through the ink printing system with side view from the left on an ink print module recording with two ink jet print heads in sealing position at the sealing station is Darge.
  • the first wall panel was also omitted in FIG. 10 for the sake of better illustration of the details.
  • the ink pressure module receptacle 12 is arranged between the first and second wall plate 102 of the frame and pivotable about the rotation axis 121. The latter lies above the rear spacers 104, 106 and near and above the (concealed) front spacers.
  • the cleaning and sealing device 13 and a correspondingly adapted impact element are arranged below the ink pressure module receptacle 12.
  • the cleaning and sealing device 13 is arranged vertically adjustable in the frame. Serve in particular between the rear end of the ink sump 133 and the aforementioned front spacers oblique longitudinal holes in the first and second wall panel 102 and an obliquely upward from the frame back bottom up to the middle of the wall panels of the frame movable carriage 137.
  • the baffle plate 132 is due to over the Switzerlandstifft 13221 acting tension spring 1322 is rotated about the pivot 1321, 1327 and again assumes a same position, as in the free-spray position.
  • the ink sump 133 below the cleaning and sealing device 13 is designed as a drawer.
  • the ink pressure module receptacle with two ink pressure modules I, II motor driven and microprocessor-controlled either in a printing position, a spray-free position on the baffle or in different cleaning areas and in a sealing position is pivotable, with a predetermined height of the entire ink pressure system could be met.
  • the baffle element can be used advantageously both in embodiments of the ink printing system with vertical and horizontal transport of print carriers or mail pieces and in different variants. Partial features of the variants can be suitably combined in variants used, which should not be executed individually.
  • both the at least one inkjet print head and the impact element are moved into a minimally offset position during the free spraying, before or afterward.
  • the servo motor 124 is controlled by the microprocessor control so that the baffle plate 132 is moved by adjusting the ink pressure module receptacle 12 by means of the second drive, that by means of the first drive, the plate-shaped disc 1329 is rapidly rotated during the free spraying and that also Wave of the servomotor 124 is moved further during the free spraying, so that the ink jet print heads are moved in the spray-free position relative to the baffle plate on. If, therefore, the inkjet printing heads are moved further by approximately 0.5 to 2 cm relative to the baffle plate, the useful life can be increased, for example, in comparison with the aforementioned first, second, third, fourth and fifth variants.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Ink Jet (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP06021927A 2005-11-02 2006-10-19 Méthode et dispositif de purge d'une tête d'impression à jet d'encre Not-in-force EP1782955B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005052151A DE102005052151B3 (de) 2005-11-02 2005-11-02 Vorrichtung zum Freispritzen eines Tintendruckkopfes

Publications (2)

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EP1782955A1 true EP1782955A1 (fr) 2007-05-09
EP1782955B1 EP1782955B1 (fr) 2012-01-25

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EP06021927A Not-in-force EP1782955B1 (fr) 2005-11-02 2006-10-19 Méthode et dispositif de purge d'une tête d'impression à jet d'encre

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US (1) US7645021B2 (fr)
EP (1) EP1782955B1 (fr)
AT (1) ATE542674T1 (fr)
DE (1) DE102005052151B3 (fr)

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GB2457694B (en) * 2008-02-21 2012-09-26 Snell Ltd Method of Deriving an Audio-Visual Signature
DE202010015354U1 (de) 2010-11-11 2011-02-10 Francotyp-Postalia Gmbh Modular aufgebautes Druckergerät mit einer entnehmbaren kastenförmigen Baueinheit
US8876252B2 (en) 2011-05-02 2014-11-04 Illinois Tool Works, Inc. Solvent flushing for fluid jet device
EP3363639B1 (fr) * 2017-02-17 2020-04-08 Canon Kabushiki Kaisha Imprimante à jet d'encre

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EP0696509B1 (fr) 1994-08-08 1998-09-02 Neopost Industrie Machine d'affranchissement comportant une tête d'impression à jet d'encre
DE19726642C1 (de) 1997-06-18 1998-09-03 Francotyp Postalia Gmbh Vorrichtung zur Positionierung eines Tintendruckkopfes und einer Reinigungs- und Dichtvorrichtung
US5806994A (en) 1997-10-15 1998-09-15 Pitney Bowes Inc. Mailing machine having ink jet printing and maintenance system
EP0799135B1 (fr) 1994-11-21 1999-03-17 Techniku B.V. Poste de nettoyage et d'obturation pour tete d'impression
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US6644778B2 (en) 2000-02-23 2003-11-11 Hewlett-Packard Development Company, L.P. Stalagmite dissolving spittoon system for inkjet printheads
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EP0041706A2 (fr) * 1980-06-11 1981-12-16 Siemens Aktiengesellschaft Plaque pivotante pour retenir l'encre pour la tête imprimante dans un appareil à écrire à encre
EP0696509B1 (fr) 1994-08-08 1998-09-02 Neopost Industrie Machine d'affranchissement comportant une tête d'impression à jet d'encre
EP0799135B1 (fr) 1994-11-21 1999-03-17 Techniku B.V. Poste de nettoyage et d'obturation pour tete d'impression
DE19605014C1 (de) 1996-01-31 1997-03-13 Francotyp Postalia Gmbh Vorrichtung zum Bedrucken eines auf einer Kante stehenden Druckträgers
DE19726642C1 (de) 1997-06-18 1998-09-03 Francotyp Postalia Gmbh Vorrichtung zur Positionierung eines Tintendruckkopfes und einer Reinigungs- und Dichtvorrichtung
US5806994A (en) 1997-10-15 1998-09-15 Pitney Bowes Inc. Mailing machine having ink jet printing and maintenance system
DE19757653C2 (de) 1997-12-15 2003-07-17 Francotyp Postalia Ag Verfahren und postalisches Gerät mit einer Chipkarten-Schreib/Leseeinheit zum Nachladen von Änderungsdaten per Chipkarte
US6644778B2 (en) 2000-02-23 2003-11-11 Hewlett-Packard Development Company, L.P. Stalagmite dissolving spittoon system for inkjet printheads
DE10062012A1 (de) 2000-07-26 2002-02-14 Rena Informationstech Gmbh Tintenstrahldrucker, insbesondere zur Beschriftung von Versandstücken
DE20012946U1 (de) * 2000-07-26 2000-09-21 Rena Informationstech Gmbh Tintenstrahldrucker, insbesondere zur Beschriftung von Versandstücken
US6481827B2 (en) 2001-01-31 2002-11-19 Hewlett-Packard Company Modular ink absorbent system for inkjet spittoons
US20040109050A1 (en) * 2002-08-17 2004-06-10 Samsung Electronics Co., Ltd Ink-jet image forming apparatus
EP1537998A1 (fr) * 2003-12-05 2005-06-08 Océ-Technologies B.V. Dispositif et procede pour manipuler des gouttes d'encre

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Publication number Priority date Publication date Assignee Title
DE102007035875B3 (de) * 2007-07-31 2008-11-20 Francotyp-Postalia Gmbh Messanordnung und Messverfahren zur Ermittlung des Spiels einer Kartuschenschwenkeinheit
EP2020299A2 (fr) 2007-07-31 2009-02-04 Francotyp-Postalia GmbH Dispositif de mesure et procédé de mesure destinés à déterminer le jeu d'une unité de pivotement de cartouche
EP2020299A3 (fr) * 2007-07-31 2009-10-21 Francotyp-Postalia GmbH Dispositif de mesure et procédé de mesure destinés à déterminer le jeu d'une unité de pivotement de cartouche

Also Published As

Publication number Publication date
EP1782955B1 (fr) 2012-01-25
ATE542674T1 (de) 2012-02-15
US20070120886A1 (en) 2007-05-31
DE102005052151B3 (de) 2007-05-31
US7645021B2 (en) 2010-01-12

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