EP3927554A1 - Machine à imprimer - Google Patents

Machine à imprimer

Info

Publication number
EP3927554A1
EP3927554A1 EP20703418.2A EP20703418A EP3927554A1 EP 3927554 A1 EP3927554 A1 EP 3927554A1 EP 20703418 A EP20703418 A EP 20703418A EP 3927554 A1 EP3927554 A1 EP 3927554A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
fluid
printing machine
machine according
positioning gap
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
EP20703418.2A
Other languages
German (de)
English (en)
Other versions
EP3927554B1 (fr
Inventor
Wolfgang Reder
Joachim Keupp
Christian Arnold
Karl Schäfer
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP3927554A1 publication Critical patent/EP3927554A1/fr
Application granted granted Critical
Publication of EP3927554B1 publication Critical patent/EP3927554B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
    • B41J2/16532—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head by applying vacuum only
    • 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
    • B41J2/16552—Cleaning of print head nozzles using cleaning fluids
    • 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
    • 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
    • B41J2/16511—Constructions for cap positioning
    • B41J2/16514—Constructions for cap positioning creating a distance between cap and printhead, e.g. for suction or pressurising
    • 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
    • B41J2/16585—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles for paper-width or non-reciprocating print heads
    • B41J2/16588—Print heads movable towards the cleaning unit
    • 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
    • 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
    • B41J2/16552—Cleaning of print head nozzles using cleaning fluids
    • B41J2002/16555—Air or gas for cleaning
    • 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
    • B41J2025/008—Actions or mechanisms not otherwise provided for comprising a plurality of print heads placed around a drum

Definitions

  • the invention relates to a printing machine according to the preamble of claim 1.
  • Non-impact printing processes for example thermographic processes or in particular the inkjet process, do not have a fixed, physically unchangeable printing form and can, for example, be different in each printing process
  • a non-impact printing machine usually has at least one image-generating device, in particular at least one printing unit with preferably at least one print head, for example preferably an inkjet print head.
  • at least one printing unit with preferably at least one print head, for example preferably an inkjet print head.
  • individual drops of a printing fluid are ejected from at least one volume of the print head and transferred to a printing material, so that a print image is produced on the printing material.
  • Cleaning device for cleaning at least one print head of a
  • DE 11 2014 003 630 T5 discloses a cleaning device with a spray nozzle for spraying a cleaning solution onto a gap between two head modules of an inkjet head and two removal elements designed as wipers for Removing the cleaning solution.
  • DE 10 2016 125 321 A1 shows a device for cleaning print heads with at least one spray nozzle which sprays a cleaning jet at an obtuse angle of incidence onto a nozzle surface of the print head to be cleaned, and a wiper lip which then wipes the nozzle surface.
  • a maintenance unit for cleaning nozzles of a print head of an inkjet printer is known, the maintenance unit being a
  • US Pat. No. 5,574,485 A discloses a maintenance station for cleaning nozzles of an inkjet print head with a cleaning nozzle which is excited by ultrasound
  • the cleaning fluid is delivered to the respective nozzle to be cleaned, and two vacuum nozzles, which discharge the cleaning fluid and the ink dissolved in it.
  • the invention is based on the object of creating a printing press.
  • the Cleaning device comprises at least one fluid supply opening and / or at least one fluid discharge and / or at least one fluid suction.
  • the cleaning device advantageously comprises the at least one fluid supply opening and / or the at least one fluid discharge and / or the at least one fluid suction, in each case the longitudinal direction of the fluid supply opening and / or the longitudinal direction of the Fluid discharge and / or the longitudinal direction of the fluid suction is positioned parallel to the respective positioning gap to be cleaned.
  • penetration of a cleaning agent into the positioning gap is ensured and / or cleaning of the respective positioning gap is possible.
  • intensive cleaning of the positioning gap is thus possible.
  • two delimitation points of a delimitation of the at least one fluid suction have the greatest possible distance from one another, which has a minimum length which is greater than at least one delimitation of a relevant exit surface of a relevant print head in a direction which is oriented parallel to the minimum length of the fluid suction.
  • This advantageously enables, for example, cleaning of the relevant exit surface and, additionally or alternatively, cleaning of at least one contact surface delimiting the respective exit surface.
  • the cleaning device comprises at least two cleaning elements.
  • the at least two cleaning elements of the cleaning device By connecting the at least two cleaning elements of the cleaning device, it is advantageously possible to clean several print heads of a nozzle bar, for example simultaneous cleaning of several print heads in different rows of print heads of a nozzle bar.
  • the cleaning element advantageously comprises at least one first ramp and at least one second ramp. This makes it easier to position the
  • a feed device which is directed at at least one positioning gap between at least two juxtaposed print heads makes it difficult and / or prevents, for example, the penetration of printing fluid and / or Dirt in the positioning gap and / or a deposit and / or deposition of pressure fluid and / or dirt in the relevant positioning gap.
  • This can for example support the cleaning of the relevant positioning gap by means of a cleaning device in a cleaning process and / or during a
  • Printing process make it difficult to deposit and / or settle pressure fluid and / or dirt.
  • the feed device preferably comprises at least one outlet opening which has a larger maximum diameter than the extent of a relevant exit surface of the relevant print head in the direction of a shortest delimitation of the particular exit surface.
  • the positioning gap is preferably covered in the area of the exit surface and additionally or alternatively in the area of at least one contact surface delimiting the respective exit surface by a fluid ejected from the feed device.
  • FIG. 1 shows a schematic perspective illustration of at least one
  • Printing unit with at least one nozzle bar and at least one opposed printing substrate guide element and one printing substrate;
  • FIG. 2a shows a schematic representation of at least one nozzle bar with two rows of obliquely overlapping print heads
  • FIG. 2b shows a schematic representation of an alternative embodiment of at least one nozzle bar with a plurality of print heads which are offset from one another in are arranged in a double row;
  • 3a shows a schematic perspective illustration of at least two print heads which are arranged at a distance from one another by a positioning gap, with at least one first feed device assigned to the positioning gap, and a second feed device, the second feed device being shown as a section;
  • 3b shows a schematic breakdown of an exemplary feed device
  • 4a shows a schematic representation of a printing unit with several
  • Nozzle bar at least one nozzle bar being arranged in the printing position and at least one nozzle bar being arranged in the rest position;
  • 4b shows a schematic representation of a printing unit with several
  • Nozzle bar according to FIG. 4a with at least one nozzle bar in
  • Fig. 5a is a view of at least four print heads within a row of one
  • Nozzle bar and a cleaning device at least one
  • Cleaning element is arranged opposite at least one print head and is in direct or indirect contact with it, and only four print heads are shown for the sake of clarity;
  • Fig. 5b is a sectional view of the print heads of the nozzle bar and the
  • 6a shows a representation of a cleaning element
  • 6b shows a representation of the cleaning element according to FIG. 6a in a perspective view
  • 6c shows an illustration of an alternative cleaning element in a perspective view
  • FIG. 7d shows an arrangement of a cleaning element with four cleaning areas on a nozzle bar with four rows of print heads.
  • a printing machine comprises at least one printing unit 01 and at least one printing material guide element 02 for guiding at least one printing material 03.
  • the at least one printing unit 01 which is designed in particular as a non-impact printing unit 01, preferably as an inkjet printing unit 01, comprises at least one nozzle bar 04 with at least a print head 08, preferably at least one inkjet print head 08.
  • the nozzle bar 04 in question is at least one
  • the at least one print head 08 has at least one exit surface 09.
  • the printing machine is a machine within this document, which at least one Applies printing fluid to at least one printing substrate 03 and / or is able to apply.
  • the at least one nozzle bar 04 preferably comprises at least two print heads 08 each, which are arranged next to one another, in particular adjoining one another, preferably adjacent, in a y-direction and / or which in particular extend over an entire working width of the printing assembly 01.
  • the respective print heads 08 of a nozzle bar 04 are preferably arranged in at least one row in the y direction.
  • the at least one nozzle bar 04 preferably extends over the entire working width of the printing unit 01.
  • at least two print heads 08 of the nozzle bar 04 are arranged next to one another in a y-direction and / or via a, for example, fixed axis in the y-direction to form one Group of print heads 08 connected.
  • the y direction and an x direction and a z direction form a Cartesian one
  • the x direction preferably corresponds to a direction along a shortest side of the respective nozzle bar 04.
  • the y direction preferably corresponds to a direction along a longest side of the respective nozzle bar 04.
  • the z direction is preferably parallel to a normal vector of a plane which passes through the x-direction and the y-direction is spanned.
  • a transverse direction A is preferably a direction which in each case runs parallel to a longest side of the at least one nozzle bar 04.
  • the cross direction A is
  • the x direction is preferably arranged orthogonally to the transverse direction A.
  • the working width is in particular parallel to the transverse direction A.
  • the transverse direction A is preferably orthogonal to a transport direction T.
  • the working width is the maximum width that a May have printing substrate 03 in order to still be able to be processed with the at least one printing unit 01 of the printing machine, this corresponds to the maximum width of the respective printing substrate 03 that can be processed with the at least one printing unit 01 of the printing machine.
  • the working width preferably corresponds to an extension of the at least one exit surface 09 at least one print head 08 along the y direction, which is preferably used for printing the printing substrate 03.
  • the printing material 03 is a substrate which can be printed with a medium, in particular a printing fluid, by the at least one printing assembly 01.
  • the printing material 03 is preferably in the form of paper and / or cardboard and / or film, for example a plastic film, and / or textile and / or metal.
  • the printing material 03 is designed in particular as a web or sheet.
  • the area of space provided for the transport of a printing material 03, which the printing material 03 at least temporarily occupies when it is present, is the transport route.
  • the transport route is determined by at least one transport means, in particular by the at least one printing substrate guide element 02.
  • the at least one printing substrate guide element 02 is preferably in each case as at least one roller and / or at least one cylinder and / or at least one support and / or at least one other device for guiding the printing substrate 03 in a printing area
  • the transport direction T is a direction provided for a printing operating state of at least one printing assembly 01 of the printing press, in which the
  • the transport direction T is preferably a direction which in each case runs parallel to a shortest side of the at least one nozzle bar 04.
  • the transverse direction A is the axial direction orthogonal to the transport direction T.
  • the transport direction T is preferably parallel to the x-direction and / or for example the transverse direction A parallel to the y-direction of the Cartesian
  • Print head 08 to the transport path.
  • a printing fluid denotes inks, printing inks and / or lacquers, as well as other materials that are transferred and / or can be transferred to a printing substrate 03 by a printing machine or at least one printing unit 01 of the printing machine.
  • a printing fluid located in a volume of the print head 08 in particular in the form of drops, can leave the volume of the relevant print head 08 through an opening in the exit surface 09.
  • a cleaning agent and / or cleaning fluid denotes above and below in particular a liquid that is used when cleaning individual
  • Components of a printing machine in particular for cleaning at least one exit surface 09 of at least one print head 08, are used.
  • the cleaning agent is preferably used when removing residues of the at least one printing fluid on components of the printing press, in particular the
  • the cleaning agent has water and / or at least one surfactant and / or at least one
  • a printing unit 01 comprises at least one nozzle bar 04.
  • a printing unit 01 comprises at least two nozzle bars 04, preferably at least four
  • Nozzle bars 04 for example exactly four nozzle bars 04.
  • the nozzle bar 04 is arranged, for example, in at least one printing position, shown for example in FIG. 1.
  • the printing position describes that position of the
  • Nozzle bar 04 in which the nozzle bar 04 is arranged in a printing operating state of the printing machine.
  • a respective one preferably stands out in his Printing position arranged print head 08 characterized in that the respective exit surface 09 of the intended transport path for at least one printing substrate 03 and / or of the at least one printing substrate 03 and / or of the respective
  • the printing substrate guide element 02 assigned to the nozzle bar 04 has a distance which is at most 5 mm (millimeters), preferably at most 1.5 mm and / or which is at least 0.5 mm, preferably at least 1.0 mm.
  • At least one printing material 03 is moved along the transport direction T by means of the at least one
  • the at least one print head 08, each with at least one exit surface 09, is positioned in the relevant nozzle bar 04 facing the printing material guide element 02.
  • the at least one nozzle bar 04 comprises at least one print head 08,
  • the at least two print heads 08 are preferably arranged next to one another, in particular adjacent.
  • the at least two print heads 08 are preferably arranged next to one another, in particular adjoining one another, preferably adjacent, and / or preferably partially overlapping in the x direction, along the y direction.
  • the individual print heads 08 of the relevant nozzle bar 04 are preferably within at least one row, preferably within at least two, in particular parallel rows, of along the y-direction
  • the respective exit surfaces 09 of at least two juxtaposed, preferably adjacent, print heads 08, in particular within a row, are each positioned at a distance from one another, in particular in the y direction, by the at least one positioning gap 07.
  • the at least two print heads 08 arranged next to one another in the y direction are preferably arranged at a distance from one another by the at least one positioning gap 07. More preferably, the at least two arranged next to one another in the y-direction delimit in particular adjacent print heads 08, in particular the respective exit surfaces 09 of the print heads 08 arranged next to one another, in particular in the y-direction, the corresponding positioning gap 07 in the y-direction. This makes it easier to position the respective print heads 08, for example.
  • the print heads 08 of the nozzle bar 04 which are preferably arranged in a row in the y-direction, for example in the x-direction, preferably in the transport direction T, are each arranged at least partially obliquely overlapping and / or preferably are respective exit surfaces 09 of the corresponding print heads 08 are arranged spaced apart from one another in the y-direction by the respective positioning gap 07.
  • the nozzle bar 04 comprises, for example, at least two preferably parallel rows of print heads 08, one row in the y direction comprising at least two print heads 08, preferably a plurality of print heads 08.
  • the print heads 08 of the rows arranged in the y-direction are preferably each offset from one another in the x-direction, whereby the respective exit surfaces 09 of the respective offset print heads 08 preferably at least partially overlap.
  • a print head 08 comprises the at least one exit surface 09 and at least one, in particular at least two contact surfaces 11.
  • the at least one contact surface 11 is preferably designed as a spacer surface 11.
  • the contact surface 11 is preferably designed in such a way that the exit surface 09 is arranged to avoid unwanted contact with components or other bodies, for example when cleaning the exit surface 09.
  • the spacer surface 11 preferably extends over an entire extent of the respective print head 08 however, some of the extent of the respective print head 08 is also possible.
  • the exit surface 09 of a print head 08 is a surface of the respective print head 08 which faces the transport path, and lies in particular in a plane whose normal vector is arranged parallel to the z-direction.
  • the exit surface 09 is designed, for example, as a parallelogram, preferably as a non-right-angled parallelogram.
  • Another exemplary embodiment of the exit surface 09 is a trapezoid, in particular an isosceles trapezoid.
  • the exit surface 09 preferably comprises at least one opening, in particular a plurality of openings, through which the pressure fluid can leave at least one volume, in particular a plurality of volumes, of the relevant print head 08, preferably in the form of drops.
  • An exit direction of the at least one exit surface 09 is the direction in which the printing fluid, in particular in the form of drops, leaves and / or can leave the respective print head 08 through at least one opening in the corresponding exit surface 09.
  • the exit direction of the exit surface 09 is preferably at least in one component and more preferably completely parallel to a surface normal of the exit surface 09 of the respective print head 08.
  • the respective exit surfaces 09 of the relevant print heads 08 of a nozzle bar 04 which are arranged next to one another in the y direction, are at least partially adjacent to one another in the x direction, more preferably at least partially overlapping.
  • the sum of all extends
  • Nozzle bar 04 over the entire working width of the respective nozzle bar 04.
  • At least two print heads 08 are preferably arranged next to one another, in particular adjacent to one another, in the y direction within a nozzle bar 04.
  • two print heads 08 are arranged adjacent to one another within a row of print heads 08 in the y-direction. For example, for positioning the relevant at least two adjacent print heads 08 of the corresponding
  • the at least one positioning gap 07 preferably has an extension of at most 0.5 mm (millimeters), in particular of at most 0.2 mm, in the y direction.
  • the at least one positioning gap 07 has an extension of at least 0.05 mm, preferably of at least 0.1 mm, in the y direction.
  • a cleaning direction G and / or the y direction preferably points to one
  • Longitudinal direction of the positioning gap 07 in a positive mathematical sense of rotation this means rotated counterclockwise, a preferably flat angle, in particular a positioning angle 46, of at least 50 °, preferably of at least 60 °, and of at most 130 °, preferably of at most 120 °, on.
  • a positioning angle 46 of at least 50 °, preferably of at least 60 °, and of at most 130 °, preferably of at most 120 °, on.
  • the longitudinal direction of the positioning gap 07 preferably the positioning angle 46 of the longitudinal direction of the positioning gap 07, is arranged in the plane spanned by the x-direction and the y-direction.
  • the longitudinal direction of the positioning gap 07 is preferably that direction in which the greatest extent of the positioning gap 07 occurs.
  • the longitudinal direction of the positioning gap 07 is preferably spanned within the plane by the x-direction and the y-direction at least with one component orthogonal to the
  • the positioning angle 46 thus corresponds to the at least partial oblique overlap in the x direction of at least two printheads 08 arranged next to one another, in particular adjacent to one another.
  • At least one feed device is preferably in each case for the respective positioning gap 07 13 assigned to a fluid for ejection. At least one is preferred
  • Feed device 13 is designed as a nozzle 13, in particular as a cleaning nozzle 13.
  • the feed device 13 is further preferably designed as a nozzle 13 for ejecting fluid, preferably a gaseous fluid and / or pressurized gas.
  • the feed device 13 is preferably arranged such that a fluid, for example a compressed gas and / or a gas mixture, in particular air, and / or a liquid, can flow through the respective feed device 13 so that the fluid can flow through the
  • At least one component of the outlet direction L is preferably directed towards the respective positioning gap 07, preferably in the z direction.
  • the respective positioning gap 07 is preferably at least one
  • Feed device 13 for ejecting a fluid with an outlet direction L is assigned, at least one component of the outlet direction L being directed towards the respective positioning gap 07.
  • the outlet opening 17 of the feed device 13 is preferably from above and / or from above the
  • Printing substrate guide element 02 is directed in the direction of printing substrate guide element 02 onto positioning gap 07.
  • the feed device 13 preferably comprises at least one feed element 14 and / or at least one outlet element 16; 43, wherein the at least one outlet element 16; 43 is preferably designed as at least one delimiting element 16 and / or at least one opening element 43, and / or the at least one outlet opening 17.
  • the feed device 13 has at least one cavity which
  • the at least one outlet element 16 is preferably connected to the at least one outlet opening 17.
  • this is at least one outlet element 16; 43 each designed as at least one sheet metal or a tube.
  • the delimiting element 16 is preferably designed to be flat, for example as a flat sheet metal.
  • the at least one opening element 43 preferably comprises at least one recess 17, which is more preferred than the at least one
  • Outlet opening 17 is formed.
  • the at least one feed device is 13
  • the at least one nozzle bar 04 preferably comprises the at least one feed device 13, wherein the feed device 13 is preferably positioned in the z-direction on the side of the exit surface 09 which faces away from the at least one opening of the respective exit surface 09.
  • the at least one nozzle bar 04 preferably comprises the at least one feed device 13, wherein the feed device 13 is preferably arranged in the z-direction on the side facing away from the transport path of at least one exit surface 09 of at least one print head 08 of the corresponding nozzle bar 04 and / or wherein the respective outlet direction L of the at least one feed device 13 to at least one positioning gap 07 between two, preferably in the y direction, in particular
  • the at least one feed device 13 is preferably arranged in the z direction on the side of the respective exit surface 09 facing away from the transport path.
  • the at least one feed device 13 is also preferably positioned on that side of the print head 08, in particular the exit surface 09, on which the print head 08 is attached to the corresponding nozzle bar 04.
  • the at least one feed device 13 is furthermore preferably positioned such that the outlet direction L from one side of the print head 08, in particular one side of the exit surface 09, is directed towards the at least one positioning gap 07 to which the print head 08 is attached to the corresponding nozzle bar 04 .
  • the feed device 13 is preferably arranged at a distance from the positioning gap 07 in the z direction.
  • the feed device 13 is more preferably at the
  • Positioning gap 07 arranged adjacent in the z-direction.
  • the outlet opening 17 is arranged at a distance from the positioning gap 07 in the z-direction.
  • the outlet opening 17 is more preferably arranged adjacent to the positioning gap 07 in the z-direction. This means that the feed device 13, in particular the respective outlet opening 17, is preferably at a distance from the respective outlet openings in the z direction
  • the outlet direction L is preferably a direction in which a fluid, for example a gas and / or a gas mixture, in particular air, and / or a liquid, the relevant feed device 13, preferably through the at least one
  • the outlet direction L is preferably parallel in at least one component and / or points in an identical direction to the outlet direction of the at least one outlet surface 09 of a print head 08 of the nozzle bar 04. More preferably, at least one component of the outlet direction L is parallel and / or points in an identical one Direction to the surface normal of the exit surface 09 of the respective print head 08 and / or a direction in which the pressure fluid is the respective
  • Exit surface 09 can leave.
  • the outlet direction L is preferably parallel to a main direction, which is preferably defined by at least one side wall of the feed device 13, which is further preferably defined by the at least one delimiting element 16.
  • the outlet direction L preferably has at least one component in the z-direction, the component in the z-direction preferably facing the transport path.
  • the outlet direction L comprises at least one component in the z direction and at least one component in the x direction, the component in the z direction being greater than the component in the x direction.
  • the outlet direction L is preferably a direction within a plane which is shifted to the position of the positioning gap 07, for example along the y-direction, through the z-direction and at least one direction of a shortest delimitation which is in a plane of the x-direction and y-direction is spanned, the respective exit surface 09 of the relevant print head 08, which preferably delimits the positioning gap 07, is spanned.
  • the at least one feed device 13 has an extension in the y direction which is identical to the extension of the respective positioning gap 07 in the y direction. More preferably, the at least one
  • Feed device 13 in the y-direction an extension of a maximum of 0.5 mm (millimeters), in particular of a maximum of 0.2 mm.
  • the at least one feed device 13 further preferably has an extension of at least 0.05 mm, preferably of at least 0.1 mm, in the y direction.
  • the outlet opening 17 is preferably in the plane which is defined by the z-direction and at least one direction of the shortest delimitation, which is spanned in a plane of the x-direction and y-direction, of the respective exit surface 09 of the
  • the outlet opening 17 preferably has in the plane which is shifted to the position of the positioning gap 07, for example along the y-direction, through the z-direction and at least one direction of the shortest delimitation, which is spanned in a plane of the x-direction and y-direction , the respective exit surface 09 of the relevant print head 08, which the
  • Positioning gap 07 is limited, spanned, a shape that corresponds, for example, to a two-dimensional longitudinal section of a cone. Additionally or alternatively takes preferably the diameter of the outlet opening 17 measured in the direction of the shortest delimitation, which is spanned in a plane in the x-direction and y-direction, towards the exit surface 09, which delimits the positioning gap 07, along the z-direction in the direction of the transport path.
  • the at least one outlet opening 17 preferably has a maximum diameter at the point of the feed device 13 which is the smallest distance from the respective positioning gap 07. More preferably, the maximum diameter of the corresponding outlet opening 17 is greater than the extent of the at least one exit surface 09 of the relevant print head 08, which is arranged on the corresponding positioning gap 07, in the direction of the shortest delimitation of the respective exit surface 09.
  • the delimiting element 16 preferably delimits the respective outlet opening 17 in the y direction, preferably on one side.
  • the respective delimiting element 16 is preferably in direct contact with the respective opening element 43. More preferably, the supply element 14 is in direct contact with the respective opening element 43, so that preferably a connection between at least one cavity of the
  • Feed element 14 and the respective outlet opening 17 consists.
  • the opening element 43 and in particular the respective outlet opening 17 of the corresponding feed device 13 are furthermore preferably arranged between the respective delimiting element 16 and the respective feed element 14.
  • the supply element 14 preferably comprises the at least one cavity, the cavity being connected to at least one source for supplying the at least one fluid, for example a gas and / or a gas mixture, in particular air, and / or a liquid, and to the outlet opening 17 .
  • the at least one fluid for example a gas and / or a gas mixture, in particular air, and / or a liquid
  • a fluid for example a gas and / or gas mixture and / or a liquid, can be made available by the at least one source.
  • the at least one fluid flows through the Cavity of the supply element 14 and meets preferably through the recess 17 of the opening element 43 on the delimiting element 16.
  • the fluid for example the gas and / or the gas mixture and / or the
  • Liquid for example deflected in such a way that the fluid preferably flows through the at least one outlet opening 17 from the respective feed device 13 in
  • the fluid for example the gas and / or the gas mixture and / or the liquid, when exiting from the
  • Feed device 13 has a pressure of at least 0.1 bar, in particular of at least 0.2 bar, and at most 0.7 bar, in particular of at most 0.5 bar.
  • an exit of the fluid in the exit direction L is indicated by dashed lines by way of example.
  • the nozzle bar 04 comprises at least one positioning guide 06, which is preferably arranged to be movable, in particular linearly movable.
  • the respective nozzle bar 04 in particular the respective print heads 08 of the nozzle bar 04, can preferably be arranged and / or arranged in the at least one printing position and / or at least one rest position and / or at least one maintenance position by the respective positioning guide 06.
  • the at least one maintenance position is preferably a position in which the at least one print head 08 of the relevant nozzle bar 04 can be serviced, for example cleaned and / or aligned, preferably without the corresponding print head 08 from the nozzle bar 04 and / or the printing unit 01 and / or from the printing press.
  • Printing positions and / or in their respective rest positions are preferably one which is arranged in a maintenance position
  • Print head 08 from the intended transport path for at least one printing material 03 and / or from the at least one printing material 03 and / or from the printing material guide element 02 assigned to the respective nozzle bar 04 larger than in FIG
  • the rest position is preferably a position in which the at least one print head 08 is removed from the printing machine and / or the at least one printing unit 01 and / or the at least one nozzle bar 04 and / or into the printing machine and / or the at least one printing unit 01 and / or the at least one nozzle bar 04 can be used.
  • more space is preferably available to an operator in the rest position in order to get to the at least one print head 08, while in the maintenance position there is preferably only sufficient space
  • 4a shows, for example, a schematic representation of at least one
  • FIG. 4b shows, for example, a schematic representation of a printing assembly 01 with a plurality of nozzle bars 04 according to FIG. 4a, with at least one nozzle bar 04 being arranged in a maintenance position.
  • the at least one printing unit 01 preferably comprises at least one
  • Each nozzle bar 04 is preferably one
  • Printing unit 01 each assigned at least one cleaning device 18.
  • the at least one print head 08 of a nozzle bar 04 arranged in the maintenance position is assigned a cleaning device 18 which is positioned in a cleaning position via a guide system 19.
  • a cleaning device 18 which is positioned in a cleaning position via a guide system 19.
  • the at least one cleaning device 18 is provided for at least one print head 08 of a corresponding nozzle bar 04.
  • the at least one cleaning device 18 preferably additionally or alternatively cleans the at least one positioning gap 07.
  • 5a shows an example of a corresponding cleaning device 18 in
  • Cleaning position which is preferably assigned to a nozzle bar 04 in the maintenance position.
  • nozzle bar 04 In the maintenance position, only four print heads 08 of the nozzle bar 04 concerned are shown.
  • the cleaning position of the at least one cleaning device 18 preferably corresponds to a position in which the cleaning device 18 is in direct or indirect contact with at least one, in particular one to be cleaned, print head 08 of the relevant nozzle bar 04, and / or preferably a position in which the cleaning device 18 is to be carried out the cleaning of the at least one print head 08 of the relevant nozzle bar 04 is arranged.
  • the at least one cleaning device 18 is preferably in particular as a whole at least orthogonal to the transverse direction A, preferably over at least one
  • a printing unit 01 preferably comprises at least one
  • at least two cleaning devices 18 are connected to a preferably common guide system 19 and / or designed to be movable and / or moving by the one preferably common guide system 19.
  • the cleaning device 18 assigned to the corresponding nozzle bar 04 is preferably designed as at least one locking element, for example in the form of at least one maintenance stop.
  • the nozzle bar 04 having the corresponding printhead 08 is preferably pulled and / or pressed against the cleaning device 18 in its maintenance position by the application of a force and / or, for example, by gravity.
  • the maintenance position of the at least one nozzle bar 04 is preferably clearly defined.
  • the at least one cleaning device 18 preferably comprises at least one cleaning guide 44 and / or at least one cleaning drive 21 and / or at least one collecting pan 22 and / or at least one support device 23; 24 and / or at least one cleaning unit 26, preferably at least one
  • the at least one cleaning device 18 is preferably arranged so as to be linearly movable via at least one guide system 19, preferably by means of the cleaning drive 21.
  • the at least one support device 23; 24 is preferably designed as at least one positioning aid 23 and / or as at least one cleaning aid 24.
  • the at least one cleaning device 18 preferably has an extent in the transverse direction A which is at least as large as the working width of the at least one nozzle bar 04 in the transverse direction A.
  • the at least one preferably has
  • Expansion that is at least as large as the working width of the at least one nozzle bar 04 in the transport direction T.
  • the At least one cleaning device 18 in the transport direction T is at least as large as all the working widths of all the nozzle bars 04 of the printing assembly 01 in the transport direction T combined. In this way, all of the exit surfaces 09 of all of the print heads 08 of the at least one printing unit 01 can then be cleaned in one operation.
  • the at least one cleaning unit 26 is preferably arranged to be movable along the cleaning guide 44, for example by means of the cleaning drive 21.
  • the at least one cleaning unit 26 is further preferred in and / or against one
  • the at least one collecting trough 22 is preferably arranged to at least partially surround the at least one cleaning unit 26. More preferably, the drip pan 22 is arranged in such a way that the drip pan 22, the cleaning unit 26 and the at least one print head 08 of the relevant, which is arranged in the maintenance position
  • Nozzle bar 04 at least partially encloses.
  • the cleaning direction G is preferably a horizontal direction G, in which a cleaning unit 26, in particular for performing a cleaning step, is arranged to be movable.
  • the cleaning direction G preferably has at least one component which is arranged parallel to the transverse direction A and / or parallel to the y-direction and is preferably oriented opposite to the y-direction. More preferably, the cleaning direction G is arranged parallel to the transverse direction A and / or parallel to the y-direction and is preferably oriented opposite to the y-direction.
  • the cleaning direction G is preferably oriented orthogonally to at least one transport direction T provided for a transport of at least one printing substrate 03 and / or orthogonally to the x-direction. At least one is preferred
  • Cleaning unit 26 and more preferably at least one cleaning element 31 arranged to be movable in and / or against the cleaning direction G.
  • the at least one cleaning unit 26 is preferred and the at least one is more preferred Cleaning element 31 is arranged to be movable at least in cleaning direction G for cleaning at least one exit surface 09 of at least one print head 08 during a cleaning process.
  • the at least one cleaning unit 26 preferably comprises at least one
  • Mounting element 28 preferably at least two mounting elements 28, and / or at least one force element 29 and / or at least one carrier 27 and / or the at least one cleaning element 31.
  • Mounting elements 28 are preferably in direct contact with the at least one force element 29.
  • the at least one force element 29 is designed, for example, as a bellows and / or hollow body and / or spring and is preferably adjustable with regard to its extension and / or dimensions in the z-direction, preferably in a direction whose
  • Main component corresponds to the z-direction.
  • the at least one carrier 27 is
  • the at least one assembly element 28 preferably at least two assembly elements 28, and / or the at least one force element 29 and / or the at least one cleaning element 31 of the corresponding cleaning unit 26.
  • the at least one is preferred
  • Cleaning element 31 is arranged in direct contact with at least one mounting element 28.
  • the expansion and / or dimension of the cleaning unit 26 in the z-direction can be adjusted by changing the expansion and / or dimension of the at least one force element 29 of the cleaning unit 26 in question / or changeable and / or movable.
  • This mobility can at least a cleaning element 31 can preferably be brought into contact with other components and / or brought out of contact, wherein as such components in particular the at least one print head 08 and / or the at least one support device 23; 24 are eligible.
  • the at least one cleaning unit 26 comprises the at least one cleaning element 31, which is operated via the at least one force element 29, preferably via at least four force elements 29, for example via exactly four
  • the at least one force element 29, in particular the at least four force elements 29, is preferably designed as a spring.
  • the at least one cleaning element 31 is preferably mounted and / or fastened in a floating manner in the at least one carrier 27, which is preferably designed as a base body, by the at least one force element 29. This preferably enables a precise and simple adjustment of the contact pressure, which the assigned nozzle bar 04 preferably when it is lowered into the maintenance position and / or during its arrangement in the
  • Maintenance position exercises on the at least one cleaning element 31, in particular on at least one sliding surface 32 of the cleaning element 31.
  • the cleaning device 18 preferably has at least one positioning aid 23 which is different from each print head 08 and which preferably has at least one contact surface which is oriented in the same direction as the at least one
  • the at least one contact surface of the positioning aid 23 is preferably adjacent to or spaced from the at least one contact surface 11 of a relevant print head 08 with respect to the cleaning direction G. More preferably, the contact surface of the positioning aid 23 has an identical component in the z direction as the exit surface 09 of a with the corresponding cleaning element 31 to
  • the contact surface is the
  • Positioning aid 23 oriented in the same direction as the at least one exit surface 09. Is, for example, direct contact between the at least one
  • Cleaning element 31 and the exit surface 09 of a print head 08 of the relevant nozzle bar 04 are provided, so the cleaning element 31 is preferably as
  • Contact element for example, designed as a wiper. In particular if there is only an indirect contact between the at least one cleaning element 31 and the
  • the contact surface of the positioning aid 23 is oriented in the same direction as the at least one contact surface 11, in particular the at least one spacer surface 11.
  • the at least one positioning aid 23 is arranged so that the at least a cleaning element 31 is arranged so that it can be clearly positioned in relation to at least one print head 08, in particular to be cleaned.
  • the cleaning device 18 preferably comprises at least one cleaning aid 24.
  • the cleaning aid 24 is preferably designed such that the at least one
  • the cleaning aid 24 preferably has at least one spray device and / or at least one wiping device.
  • the at least one cleaning element 31 is preferably designed as a cleaning head 31.
  • the cleaning element 31 is preferably fixed to the at least one mounting element 28 and / or the at least one carrier 27 of the relevant
  • the at least one cleaning element 31 is preferably arranged to be movable in and / or against the cleaning direction G.
  • the cleaning head 31 preferably has at least one fluid supply 38 and at least one fluid discharge opening 39; 41 on.
  • the at least one fluid supply 38 is further preferred designed as at least one fluid supply 38 for supplying cleaning liquid.
  • the at least one fluid discharge opening 39; 41 is more preferred than at least one
  • Fluid discharge opening 39; 41 designed for cleaning fluid and / or dirt. More preferably, the cleaning head 31 has at least two fluid discharge openings 39; 41, wherein in each case a first fluid discharge opening 39 is preferably designed as a fluid discharge 39 and / or wherein a second fluid discharge opening 41 is preferably designed as a fluid suction 41.
  • the at least one first fluid discharge opening 39 preferably at least partially, more preferably completely, surrounds the at least one fluid supply 38 in one plane.
  • At least one cleaning fluid in particular a cleaning agent
  • at least one fluid supply 38 in the immediate vicinity of the exit surface 09 of the at least one print head 08 and / or a positioning gap 07 and through the at least one fluid discharge opening 39; 41 can also be suctioned off again in the immediate vicinity of the exit surface 09 of the at least one print head 08 and / or a positioning gap 07.
  • the cleaning head 31 is preferably brought so close to the at least one print head 08 that a cleaning gap is formed between the cleaning head 31 on the one hand and the exit surface 09 of the print head 08 on the other hand, through which the fluid, in particular the cleaning liquid, flows and thus the exit surface 09 of the at least one print head 08 and / or a positioning gap 07 is cleaned and / or can be cleaned.
  • the at least one cleaning head 31 preferably has at least one sliding point 32 provided in particular for contact with the at least one print head 08, the sliding point 32 preferably being designed as a sliding surface 32.
  • the at least one sliding point 32 is preferred for at least partial contact with at least a part of at least one contact surface 11 of the at least one print head 08 formed, which is further preferably formed as at least one spacer surface 11.
  • the at least one cleaning head 31 preferably has at least one ramp 33; 34 on.
  • the cleaning head 31 further preferably has at least one first ramp 33 and at least one second ramp 34. Preferably that's at least one
  • Cleaning element 31 can be arranged in at least a first position and / or can be arranged in at least a second position, the first position of the
  • Cleaning element 31 is preferably arranged at a distance from the second position of the cleaning element 31 along the cleaning direction G.
  • the first ramp 33 is preferably designed as an input ramp 33.
  • the first ramp 33 is preferably arranged to reduce the distance between a reference point of the first ramp 33 and the print head 08 to be cleaned.
  • the reference point of the first ramp 33 is preferably a point of the first ramp 33 which is arranged perpendicular to the print head 08 to be cleaned.
  • the first ramp 33 In the first position of the cleaning element 31 at the reference point of the first ramp 33, the first ramp 33 preferably has a first distance from a print head 08 to be cleaned, preferably from at least one exit surface 09 and / or spacer surface 11 to be cleaned.
  • Reference point of the first ramp 33 a second distance to a print head 08 to be cleaned, preferably to at least one exit surface 09 to be cleaned and / or spacing surface 11, the second distance between the reference point of the first ramp 33 and the print head 08 to be cleaned being smaller as the first distance between the reference point of the first ramp 33 and the print head 08 to be cleaned.
  • the second ramp 34 is preferably designed as an exit ramp 34.
  • the second ramp 34 is preferably arranged to increase the distance between a reference point of the second ramp 34 and the print head 08 to be cleaned.
  • the reference point of the second ramp 34 is preferably a point of the second ramp 34 which is perpendicular to the print head 08 to be cleaned is arranged.
  • the second ramp 34 In the first position of the cleaning element 31 at the reference point of the second ramp 34, the second ramp 34 preferably has a first distance from a print head 08, in particular to be cleaned, preferably to at least one exit surface 09 and / or spacer surface 11 to be cleaned.
  • Cleaning element 31 at the reference point of the second ramp 34 a second distance to a, in particular to be cleaned, print head 08, preferably to at least one exit surface 09 and / or distance surface 11 to be cleaned, the second distance between the reference point of the second ramp 34 and the print head 08, in particular to be cleaned, is greater than the first distance between the reference point of the second ramp 34 and the print head 08, in particular to be cleaned.
  • the at least one print head 08 and / or the at least one cleaning head 31 has at least one guide device 36.
  • Guide device 36 is preferably designed as a guide surface 36, the surface normal of which has at least one component which is orthogonal to the z-direction and to the cleaning direction G.
  • the at least one guide surface 36 of a cleaning head 31 preferably directly adjoins at least one sliding surface 32 of the respective cleaning head 31.
  • the at least one guide device 36 is preferably arranged such that the cleaning head 31 can be positioned and / or in a tolerance range or an exact position with respect to a direction oriented parallel to the x-direction and / or orthogonally to the cleaning direction G and orthogonally to the z-direction is positioned.
  • the cleaning head 31 preferably has at least one cleaning area 37.
  • the at least one cleaning area 37 preferably has the at least one fluid supply 38 and the at least one fluid discharge opening 39; 41 on.
  • the cleaning region 37 further preferably has the at least one fluid supply 38 and / or the at least one fluid discharge 39 and / or the at least one fluid suction 41.
  • the at least one fluid discharge opening 39; 41 each connected to at least one sink for the removal of cleaning agents and / or dirt and / or particles, for example.
  • the at least one fluid supply 38 is preferably connected to a source of cleaning agent.
  • the fluid supply 38 is within the
  • the at least one cleaning area 37 designed as a fluid supply opening 38.
  • the at least one cleaning area 37 is preferably arranged between the at least one first ramp 33 and the at least one second ramp 34.
  • the at least one first ramp 33 is in the cleaning direction G in front of the at least one
  • the at least one second ramp 34 is preferably arranged in the cleaning direction G after the at least one cleaning area 37.
  • the first ramp 33 preferably rises from an outer edge of the cleaning element 31 to the at least one cleaning area 37.
  • the second ramp 33 preferably rises from an outer edge of the cleaning element 31 towards the at least one cleaning area 37.
  • the slopes of the first ramp 33 and the second ramp 34 are preferably directed opposite to one another.
  • the fluid supply opening 38 preferably has at least one limitation of the
  • Fluid supply opening 38 in a plane of the surface of the cleaning area 37, preferably orthogonal to the z-direction, with a centroid.
  • the delimitation of the fluid supply opening 38 further preferably has at least one first delimitation point, which is arranged with the centroid in alignment with respect to the cleaning direction G.
  • the limitation preferably has the
  • Fluid supply opening 38 has at least one second delimitation point, which is arranged with the centroid in alignment with respect to a direction orthogonal to the cleaning direction G.
  • the delimitation of the fluid supply opening 38 preferably has at least one third delimitation point which is on the delimitation of the
  • Fluid supply opening 38 is arranged in an extension of a distance from the first delimitation point to the centroid.
  • the delimitation of the fluid supply opening 38 preferably has at least one fourth delimitation point which is on the Delimitation of the fluid supply opening 38 is arranged in an extension of a distance from the second delimitation point to the centroid.
  • the respective first delimitation point and the second delimitation point and the third delimitation point and the fourth delimitation point are preferably positioned at a distance greater than zero from one another on the delimitation of the fluid supply opening 38.
  • the distance from the first delimitation point to the third delimitation point on the delimitation of the fluid supply opening 38 is preferably less than the distance from the second delimitation point to the fourth delimitation point on the delimitation of the fluid supply opening 38.
  • a longitudinal direction of the fluid supply opening 38 is preferably at least partially orthogonal to a straight line between the first delimitation point and the center of gravity of the delimitation of the fluid supply opening 38.
  • the at least one fluid supply opening 38 assigns in the plane spanned by the x-direction and the y-direction, and / or orthogonally the z-direction preferably has the longitudinal direction of the fluid supply opening 38 and a transverse direction of the fluid supply opening 38.
  • the extent of the fluid supply opening 38 in its longitudinal direction and in its transverse direction is preferably different from one another.
  • the fluid supply opening 38, in particular the delimitation of the fluid supply opening 38 preferably has a maximum extent in its longitudinal direction.
  • the extent of the fluid supply opening 38, in particular the delimitation of the fluid supply opening 38 is preferably smaller in the transverse direction of the fluid supply opening 38 than in its longitudinal direction.
  • a cleaning area 37 has at least two fluid supply openings 38, each with a delimitation of the respective fluid supply opening 38 in a plane of the surface of the cleaning area 37.
  • the at least two fluid supply openings 38 each have a centroid, the centroids of the fluid supply openings 38 preferably being arranged on a straight line.
  • Fluid supply opening 38 is preferably at least partially orthogonal to that Cleaning direction G and arranged orthogonally to the z-direction.
  • a tangential line through the first delimitation point of the delimitation of the fluid supply opening 38 is preferably at least partially orthogonal to the
  • the tangential through the first delimitation point of the delimitation of the fluid supply opening 38 to the cleaning direction G in a positive mathematical sense of rotation, this means rotated counterclockwise, has a flat angle of at least 50 °, preferably of at least 60 °, and of at most 130 °, preferably of at most 120 °.
  • the tangential through the first delimitation point of the delimitation of the fluid supply opening 38 is preferably parallel to a plane which is shifted to the position of the positioning gap 07, for example along the y-direction through the z-direction and at least one direction of the shortest delimitation of a respective exit surface 09, which is spanned in a plane of the x-direction and y-direction, of the print head 08 to be cleaned of the relevant nozzle bar 04, which delimits the positioning gap 07, is spanned.
  • the tangential through the first delimitation point of the delimitation of the fluid supply opening 38 is preferably parallel to a longitudinal direction of the fluid supply opening 38, in particular in the case of a fluid supply opening 38 which is elongated and / or oval and / or slot-shaped and / or as a groove and / or in another shape is designed as circular. Further preferably, the longitudinal direction of the fluid supply opening 38 is aligned parallel to at least one positioning gap 07 of the associated nozzle bar 04. The longitudinal direction of the fluid supply opening 38 is preferably located in a plane spanned by the x-direction and the y-direction. Preferably the
  • Fluid supply opening 38 preferably in the plane orthogonal to the z-direction, designed as a groove and / or elongated and / or oval and / or slot-shaped.
  • a groove preferably has at least two longitudinal sides parallel to one another.
  • the longitudinal direction of the fluid supply opening 38 preferably points to the cleaning direction G in a positive manner mathematical sense of rotation, this means counterclockwise rotated, a preferably flat angle, in particular an opening angle 47, of at least 50 °, preferably of at least 60 °, and of at most 130 °, preferably of at most 120 °.
  • Opening angle 47 with respect to the cleaning direction G has.
  • the opening angle 47 therefore preferably corresponds to the at least partial oblique overlap in the x direction of the at least two juxtaposed, in particular adjacent, print heads 08.
  • This acute-angled or obtuse formation of the opening angle 47 preferably forms the at least partially inclined overlap in the x direction of the at least two juxtaposed print heads 08 and / or the alignment of the
  • the fluid supply opening 38 is aligned parallel to at least one positioning gap 07 of the associated nozzle bar 04. More preferably, the fluid supply opening 38 is preferably parallel to the at least one positioning gap 07 between at least two print heads 08, in particular to be cleaned, preferably within a row in the y direction of a nozzle bar 04
  • the tangential through the first delimitation point of the delimitation of the fluid supply opening 38 is aligned parallel to at least one positioning gap 07 of the associated nozzle bar 04. This enables, for example, an optimal penetration of cleaning agent into the positioning gap 07.
  • the fluid discharge 39 is preferably arranged at least partially around the fluid supply opening 38 in at least one plane. More preferably, the fluid discharge 39 is arranged completely around the fluid supply opening 38 in at least one plane. The said plane is preferably spanned by the x-direction and the y- Direction.
  • the fluid discharge 39 is, for example, cleaning agent and / or dirt and / or particles, which are, for example, on the respective
  • Adhere to the print head 08 and / or are left behind, are designed to be discharged and / or discharged.
  • the fluid discharge 39 preferably has at least one delimitation of the fluid discharge 39 in a plane of the surface of the cleaning area 37, preferably orthogonal to the z-direction, with a centroid. More preferably, the
  • the delimitation of the fluid discharge 39 preferably has at least one sixth delimitation point which is arranged with the centroid in alignment with respect to a direction orthogonal to the cleaning direction G.
  • the delimitation of the fluid discharge 39 preferably has at least one seventh delimitation point, which is arranged on the delimitation of the fluid discharge 39 in an extension of a distance from the fifth delimitation point to the center of the area.
  • the limitation preferably has the
  • Fluid discharge 39 has at least one eighth delimitation point, which is arranged on the delimitation of the fluid discharge 39 as an extension of a distance from the sixth delimitation point to the center of area.
  • the respective fifth delimitation point and the sixth delimitation point and the seventh delimitation point and the eighth delimitation point are preferably positioned at a distance greater than zero from one another on the delimitation of the fluid discharge 39.
  • the distance from the fifth delimitation point to the seventh delimitation point on the delimitation of the fluid discharge 39 is preferably less than the distance from the sixth delimitation point to the eighth delimitation point on the delimitation of the
  • Fluid discharge 39 A longitudinal direction of the fluid discharge 39 is preferably at least partially orthogonal to a straight line between the fifth delimitation point and the The focus of the limitation of the fluid discharge 39.
  • the at least one fluid discharge 39 in particular the limitation of the
  • Fluid discharge 39 in the plane, spanned by the x-direction and the y-direction, and / or orthogonal to the z-direction, preferably the longitudinal direction of the fluid discharge 39 and a transverse direction of the fluid discharge 39.
  • the expansion of the fluid discharge 39 in its longitudinal direction and in its transverse direction from one another is preferred
  • the fluid discharge 39 in particular the delimitation of the fluid discharge 39, preferably has a maximum extent in its longitudinal direction.
  • the extent of the fluid discharge 39, in particular the delimitation of the fluid discharge 39, is preferably smaller in the transverse direction of the fluid discharge 39 than in its longitudinal direction.
  • the fluid discharge 39 is preferably at least partially orthogonal to the cleaning direction G and orthogonal to the z- Direction and / or aligned parallel to at least one positioning gap 07 of the associated nozzle bar 04.
  • the tangential through the fifth delimitation point of the delimitation of the fluid discharge 39 is preferably parallel to the at least one positioning gap 07 of the associated nozzle bar 04
  • the tangential through the fifth delimitation point of the delimitation of the fluid discharge 39 which is at least partially orthogonal to the cleaning direction G and orthogonal to the z-direction, preferably points to the cleaning direction G in one positive mathematical sense of rotation, this means rotated counterclockwise, a flat angle of at least 50 °, preferably of at least 60 °, and of at most 130 °, preferably of at most 120 °.
  • the tangential through the fifth delimitation point of the delimitation of the fluid discharge 39 is preferably parallel to a longitudinal direction of the fluid discharge 39, in particular in the case of a fluid discharge 39 which is elongated and / or oval and / or slot-shaped and / or as a groove and / or trapezoidal and / or is designed in a shape other than circular.
  • the fluid discharge 39 is preferably trapezoidal and / or groove-shaped and / or in the plane orthogonal to the z-direction
  • the longitudinal direction of the fluid discharge 39 is further preferably aligned parallel to at least one positioning gap 07 of the associated nozzle bar 04.
  • the longitudinal direction of the fluid discharge 39 preferably points towards the
  • Cleaning direction G in a positive mathematical direction of rotation this means rotated counterclockwise, a preferably flat angle, in particular a discharge angle 48, of at least 50 °, preferably of at least 60 °, and of at most 130 °, preferably of at most 120 °.
  • the discharge angle 48 thus corresponds to the at least partial oblique overlap in the x direction of the at least two juxtaposed, in particular adjacent, print heads 08.
  • the discharge angle 48 is preferably acute or obtuse. This acute-angled or obtuse formation of the discharge angle 48 preferably forms the at least partially oblique overlap in the x direction of the at least two juxtaposed print heads 08 and / or the alignment of the
  • the at least one fluid suction 41 can, for example, have a strong negative pressure applied to it.
  • the fluid suction 41 is preferably designed to remove at least such cleaning fluid and / or such dirt, which or which at least suction by means of the at least one fluid discharge 39 is still left.
  • the at least one fluid suction 41 is preferably designed as a relatively narrow slot.
  • the fluid suction 41 preferably has at least one delimitation of the fluid suction 41 in a plane of the surface of the cleaning area 37, preferably orthogonal to the z-direction, with a centroid. More preferably, the delimitation of the fluid suction 41 has at least one ninth delimitation point, which is arranged with the centroid of the delimitation of the fluid suction 41 in alignment with the cleaning direction G.
  • the delimitation of the fluid suction 41 preferably has at least a tenth delimitation point which is arranged with the centroid in alignment with respect to a direction orthogonal to the cleaning direction G.
  • the delimitation of the fluid suction device 41 preferably has at least one eleventh delimitation point, which is arranged on the delimitation of the fluid suction device 41 in an extension of a distance from the ninth delimitation point to the centroid.
  • the limitation of the fluid suction 41 preferably has at least one twelfth
  • Limitation points are preferably positioned at a distance greater than zero from one another on the boundary of the fluid suction 41.
  • the distance from the ninth delimitation point to the eleventh delimitation point on the delimitation of the fluid suction 41 is preferably less than the distance from the tenth
  • a longitudinal direction of the fluid suction 41 is preferably at least partially orthogonal to a straight line between the ninth delimitation point and the center of gravity of the delimitation of the fluid suction 41.
  • the at least one fluid suction 41 especially the limitation of the fluid suction 41, in the plane spanned by the x-direction and the y-direction, and / or orthogonal to the z-direction, preferably the longitudinal direction of the fluid suction 41 and a transverse direction of the fluid suction 41.
  • the expansion of the fluid suction 41 in its longitudinal direction and in its transverse direction is preferably different from one another.
  • the fluid suction 41, in particular the delimitation of the fluid suction 41 preferably has a maximum extent in its longitudinal direction. The extent of the fluid suction 41, in particular the
  • Fluid suction 41 is at least five times as large in its longitudinal direction, more preferably at least ten times as large, more preferably at least fifteen times as large, more preferably at least twenty times as large as in its transverse direction.
  • the minimum distance of the ninth delimitation point to the eleventh delimitation point of the fluid suction 41 is preferably less than the minimum distance of the fifth delimitation point to the seventh delimitation point of the fluid discharge 39, preferably the distance is at most half as large, more preferably at most a fifth as large.
  • the extent of the at least one fluid suction 41 in its transverse direction is preferably less than the extent of the at least one fluid discharge 39 in its transverse direction, preferably the extent of the at least one fluid suction 41 is at most half as large, more preferably at most a fifth as large as the expansion of the at least one fluid discharge 39 in its transverse direction.
  • the limitation of the fluid suction 41 preferably has at least two
  • the greatest possible distance between two delimitation points of the delimitation of the fluid suction 41 to one another preferably has a minimum length of preferably at least 35 mm (millimeters), in particular of at least 40 mm, more preferably of at least 45 mm, and / or a maximum length of preferably at most 60 mm, in particular of at most 55 mm, more preferably of at most 50 mm. More preferably, the greatest possible distance between two delimitation points of the delimitation of the fluid suction 41 to one another has a minimum length which is greater than at least one delimitation of a relevant, in particular to be cleaned, exit surface 09 of a relevant print head 08 in a direction which is parallel to the minimum length of the
  • Fluid suction 41 is oriented. More preferably, the greatest possible distance between two delimitation points of the delimitation of the fluid suction 41 has a minimum length which is greater than at least one delimitation of a relevant, in particular to be cleaned, exit surface 09 of a relevant print head 08 in the x direction.
  • a tangential through the ninth delimitation point of the delimitation of the fluid suction 41 is preferred, at least partially orthogonal to the cleaning direction G and orthogonal to the z-direction and alternatively or additionally parallel to the
  • the fluid suction 41 is preferably positioned at least partially orthogonally to the cleaning direction G and orthogonally to the z-direction and parallel to the positioning gap 07.
  • the tangential through the ninth delimitation point of the fluid suction 41 is aligned parallel to the at least one positioning gap 07 of the associated nozzle bar 04, in particular in a plane of the surface of the cleaning area 37. The tangential through the ninth delimitation point of the
  • Cleaning direction G in a positive mathematical sense of rotation, this means rotated counterclockwise, a flat angle of at least 50 °, preferably of at least 60 °, and of at most 130 °, preferably of at most 120 °.
  • the tangential through the ninth delimitation point of the delimitation of the fluid suction 41 is preferably parallel to a longitudinal direction of the fluid suction 41.
  • the longitudinal direction of the fluid suction 41 is more preferably aligned parallel to the at least one positioning gap 07 of the associated nozzle bar 04.
  • the longitudinal direction of the fluid suction 41 preferably points to the cleaning direction G in a positive mathematical direction of rotation, this means rotated counterclockwise, a preferably flat angle, in particular a suction angle 49, of at least 50 °, preferably of at least 60 °, and of at most 130 ° , preferably of at most 120 °.
  • the suction angle 49 is preferably acute-angled or obtuse.
  • This acute-angled or obtuse formation of the suction angle 49 preferably forms the at least partially inclined overlap in the x direction of the at least two adjacent to one another
  • the tangentials through the first delimitation point of the delimitation of the fluid supply opening 38 and / or the tangentials through the fifth delimitation point of the delimitation of the fluid discharge 39 and / or the tangentials through the ninth delimitation point of the delimitation of the fluid suction 41 to the cleaning direction G in a positive mathematical sense of rotation, a plane angle of at least 50 °, preferably of at least 60 °, and of at most 130 °, preferably of at most 120 °.
  • each has In the longitudinal direction of the fluid supply opening 38 and / or the longitudinal direction of the fluid discharge 39 and / or the longitudinal direction of the fluid suction 41 to the cleaning direction G in a positive mathematical sense of rotation, a flat angle of at least 50 °, preferably of at least 60 °, and of at most 130 °, preferably of at most 120 °.
  • the relevant cleaning element 31 comprises at least one cleaning area 37, whereby preferably at least one print head 08 of at least one nozzle bar 04 can be cleaned and / or cleaned. In an alternative embodiment, this includes
  • Cleaning element 31 preferably at least two cleaning areas 37.
  • the at least two cleaning areas 37 in question are preferably connectable and / or connected by at least one connecting element 42.
  • the one relevant cleaning head 31 which comprises at least two connectable and / or connected cleaning areas 37
  • at least two print heads 08 can be cleaned and / or cleaned, with the at least two print heads 08 preferably in at least two different rows of print heads 08 are arranged in the y-direction.
  • a cleaning head 31 additionally or as an alternative to the at least one cleaning area 37 comprises at least one washer 52, which is arranged, for example, in direct contact with at least one exit surface 09 of a print head 08 to be cleaned.
  • the at least one printing unit 01 of the printing machine comprises at least one nozzle bar 04 with at least two juxtaposed print heads 08, which delimit the at least one positioning gap 07, with at least one feed device 13 assigned to the respective positioning gap 07 and / or at least one of the relevant Cleaning device 18 assigned to the print head 08 of the nozzle bar 04.
  • the at least one feed device 13 is used in an operating state of the printing machine, with at least one printing material 03 being printable and / or being printed with at least one printing fluid.
  • at least one fluid for example a gas and / or a gas mixture, in particular air, and / or a liquid
  • pressure fluid in the respective positioning gap 07 is made difficult and / or prevented.
  • At least the at least one cleaning element 31 and / or the at least one cleaning unit 26 is preferably moved in the cleaning direction G.
  • the relevant cleaning element 31 and / or the relevant cleaning unit 26 has a constant speed along the cleaning direction G.
  • the fluid supply port 38 preferably abuts
  • Positioning gap 07 of the relevant nozzle bar 04 occurs.
  • the cleaning agent preferably cleans the at least one exit surface 09 and / or the at least one contact surface 11 and / or the at least one positioning gap 07.
  • the fluid discharge 39 for example, sucks the cleaning agent and / or dirt in, for example
  • the fluid suction 41 preferably sucks in a second removal step, for example, the cleaning agent and / or dirt which, for example, has remained and / or stuck on the exit surface 09 and / or on the contact surface 11 and / or in the positioning gap 07 after the first removal step.
  • the cleaning element 31 and / or the cleaning unit 26 are preferably slowed down and / or stopped in their speed in cleaning direction G at at least one position, which is assigned, for example, to a positioning gap 07, whereby, for example, cleaning of the relevant positioning gap 07 can be carried out.
  • the at least one feed device 13 preferably ejects a fluid, for example a gas and / or a gas mixture, in particular air, and / or a liquid, through the at least one outlet opening 17 during the at least one cleaning process.
  • a fluid for example a gas and / or a gas mixture, in particular air, and / or a liquid
  • Positioning gap 07 is preferably carried out, the cleaning element 31 and / or the cleaning unit 26 preferably being slowed down and / or stopped in cleaning direction G and / or the at least one position, which is preferably assigned to the respective positioning gap 07
  • Feed device 13 at least one fluid, for example a gas and / or a
  • Gas mixture in particular air, and / or a liquid, ejects.
  • the at least one cleaning element 31 has at least two sliding surfaces 32, which in
  • Cleaning direction G one behind the other, preferably in alignment with one another, are arranged.
  • the at least two sliding surfaces 32 are spaced apart from one another by a distance greater than zero.
  • the at least one cleaning region 37 is preferably raised in the z direction compared to a surface of the cleaning element 31 after the at least one edge 51, in particular in the z direction compared to the at least one second ramp 34.
  • the distance of the cleaning element 31 is preferably directly after Cleaning area 37, in particular after the at least one fluid suction 41, enlarged towards the at least one exit surface 09 of the at least one print head 08.
  • the at least one edge 51 prevents a smearing of pressure fluid, which at this point in time, preferably when the at least one
  • Cleaning element 31 passes the relevant exit surface 09 on which at least one exit surface 09 is located. At least one of the at least two in
  • Cleaning direction G one behind the other arranged sliding surfaces 32 in cleaning direction G after the at least one cleaning area 37, in particular on the at least one second ramp 34. This ensures optimal guidance of the cleaning element 31 in the area after the at least one cleaning area 37, so that a distance greater than zero from the at least one surface of the cleaning element 31 and / or the at least one second ramp 34, in particular in the z direction, to the at least one exit surface 09 is guaranteed.
  • the at least one sliding surface 32 is preferably all
  • Sliding surfaces 32 preferably arranged orthogonally to the cleaning direction G in front of or behind the at least one exit surface 09, for example spaced apart from the at least one exit surface 09 orthogonally to the cleaning direction G, i.e. preferably laterally arranged.
  • the at least one sliding surface 32 preferably has in
  • Cleaning direction G has a greater extent than orthogonal to the
  • the cleaning element 31 has at least two cleaning areas 37, preferably four
  • the at least one cleaning element 31 preferably has as many cleaning areas 37 as there are, in particular, rows of print heads arranged next to one another in the x-direction, the nozzle bar 04 assigned to this cleaning element 31 comprises.
  • the nozzle bar 04 assigned to this cleaning element 31 comprises.
  • at least two rows of print heads 08 preferably four rows of print heads 08, more preferably all rows of print heads 08 of a nozzle bar 04, are cleaned and / or can be cleaned simultaneously and / or with the at least one cleaning element 31.
  • the at least one cleaning element 31 preferably if it comprises at least two cleaning areas 37, points in the x direction in front of a first one
  • Cleaning area 37 and / or in the x-direction after a last cleaning area 37 each have at least one sliding surface 32. It preferably has at least one
  • Cleaning element 31 has no additional sliding surface 32 between its first and last cleaning area 37.
  • Cleaning areas 37 comprises, in the x-direction before a first cleaning area 37 and / or in the x-direction after a last cleaning area 37 in each case at least one guide surface 36.
  • the at least one cleaning element 31 preferably has no additional cleaning element between its first and last cleaning area 37
  • the at least one nozzle bar 04 comprises at least two rows of print heads 08.
  • the at least two rows of print heads 08 are each at an angle of at least 1 ° (one degree), preferably of at least 3 °, more preferably of 4 °, arranged to each other. This is particularly the case when the at least one nozzle bar 04 is opposed by a curved and / or cylindrical printing substrate guide element 02.
  • the at least two rows of print heads 08 are preferably each arranged at an angle of at least 1 ° (one degree), preferably of at least 3 °, more preferably of 4 °, with respect to a normal vector of the respective exit surfaces 09 to one another.
  • a surface of the cleaning element 31 which comprises the at least one fluid supply 38 and the at least one fluid discharge 39 and the at least one fluid suction 41 is preferred, preferably the plane of the surface of the respective
  • Cleaning area 37 is assigned, arranged. This area and / or this cleaning area 37 is further preferably directed towards this at least one exit area 09.
  • the normal vectors of at least two surfaces of the cleaning element 31, which each comprise at least one fluid supply 38 and at least one fluid discharge 39 and at least one fluid suction 41, preferably the surfaces of the at least two cleaning areas 37 of the cleaning element 31, have an angle of at least 1 ° to one another ( one degree), preferably of at least 3 °, more preferably of 4 °.
  • At least one throttle is preferably arranged in the fluid supply 38, in particular a channel of the fluid supply 38.
  • the at least one throttle is preferably designed to regulate the supply of cleaning agent to the at least one fluid supply opening 38, in particular as a function of the angular position and / or inclined position of the respective cleaning area 37.
  • the at least two cleaning areas 37 of a cleaning element 31 are arranged offset to one another in the cleaning direction G. As a result, they preferably depict an offset between the rows of print heads 08 present.
  • the at least one cleaning element 31 preferably additionally has the at least one wiper 52 after the at least one cleaning area 37 in the cleaning direction G.
  • the at least one wiper 52 is preferably designed as a wiper lip, for example made of rubber.
  • the at least one wiper 52 preferably extends in x Direction over the entire length of the exit surface 09 of the at least one associated print head 08 in this direction.

Landscapes

  • Ink Jet (AREA)

Abstract

L'invention concerne une machine à imprimer comprenant au moins une unité d'impression (01) pourvue d'au moins une rampe de buses (04) présentant au moins deux têtes (08) d'impression et au moins un dispositif de nettoyage (18), respectivement au moins un dispositif de nettoyage (18) étant associé à la rampe de buses (04), le dispositif de nettoyage (18) comprenant au moins un élément (31) de nettoyage, l'élément ou les éléments (31) de nettoyage étant disposés de manière à pouvoir se déplacer dans une direction (G) de nettoyage et/ou à l'encontre de celle-ci, l'élément ou les éléments (31) de nettoyage présentant au moins une ouverture d'amenée (38) de fluide et au moins une évacuation (39) de fluide et au moins une aspiration (41) de fluide.
EP20703418.2A 2019-02-22 2020-01-31 Machine d'impression Active EP3927554B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019104579.7A DE102019104579A1 (de) 2019-02-22 2019-02-22 Druckmaschine
PCT/EP2020/052415 WO2020169321A1 (fr) 2019-02-22 2020-01-31 Machine à imprimer

Publications (2)

Publication Number Publication Date
EP3927554A1 true EP3927554A1 (fr) 2021-12-29
EP3927554B1 EP3927554B1 (fr) 2023-09-06

Family

ID=69467524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20703418.2A Active EP3927554B1 (fr) 2019-02-22 2020-01-31 Machine d'impression

Country Status (6)

Country Link
US (1) US11214069B2 (fr)
EP (1) EP3927554B1 (fr)
JP (1) JP7014933B2 (fr)
CN (1) CN114206621B (fr)
DE (1) DE102019104579A1 (fr)
WO (1) WO2020169321A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020105962A1 (de) * 2020-03-05 2021-09-09 Koenig & Bauer Ag Druckmaschine und Verfahren zur Reinigung zumindest eines Düsenbalkens zumindest eines Druckaggregats
JP2022085777A (ja) 2020-11-27 2022-06-08 キヤノン株式会社 保守装置、記録装置および制御方法
US11919310B2 (en) 2020-12-08 2024-03-05 Canon Solutions America, Inc. Devices, systems, and methods for printhead cleaning and diagnostics
JP7567426B2 (ja) 2020-12-11 2024-10-16 セイコーエプソン株式会社 液体噴射ヘッド、及び液体噴射装置
JPWO2023008167A1 (fr) * 2021-07-29 2023-02-02
DE102021127501A1 (de) 2021-10-22 2023-04-27 Koenig & Bauer Ag Reinigungsvorrichtung, Druckmaschine und Verfahren zum Reinigen einer Druckmaschine

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5574485A (en) * 1994-10-13 1996-11-12 Xerox Corporation Ultrasonic liquid wiper for ink jet printhead maintenance
DE10255827A1 (de) 2002-01-25 2003-07-31 Heidelberger Druckmasch Ag Druckmodul für ein Tintenstrahl-Drucksystem
JP4389499B2 (ja) 2003-07-14 2009-12-24 富士ゼロックス株式会社 インクジェット記録ヘッド洗浄装置およびインクジェット記録装置
JP2008062389A (ja) 2006-09-04 2008-03-21 Fuji Xerox Co Ltd 液滴吐出装置
KR20090132665A (ko) * 2008-06-23 2009-12-31 삼성전자주식회사 잉크젯 화상형성장치 및 그 제어방법
JP5303335B2 (ja) 2009-03-30 2013-10-02 セーレン株式会社 搬送ベルトのクリーニング機構及びそれを備えたインクジェット記録装置
DE102011002727A1 (de) * 2011-01-14 2012-07-19 Bundesdruckerei Gmbh Wartungseinheit für einen Tintenstrahldrucker sowie Verwendung eines Tintenstrahldruckers
JP5498996B2 (ja) 2011-02-18 2014-05-21 東芝テック株式会社 インクジェットヘッドの洗浄装置およびインクジェット記録装置
JP5421318B2 (ja) 2011-03-28 2014-02-19 富士フイルム株式会社 インクジェットヘッド洗浄システムおよびインクジェットヘッドのメンテナンス方法
JP6243097B2 (ja) 2012-01-13 2017-12-06 ブラザー工業株式会社 液体吐出装置
JP5477981B2 (ja) 2012-03-22 2014-04-23 富士フイルム株式会社 液体吐出装置及びメンテナンス方法
JP6283911B2 (ja) 2013-06-25 2018-02-28 パナソニックＩｐマネジメント株式会社 ワイプ装置、インクジェット装置、および、ワイプ方法
JP5997112B2 (ja) * 2013-08-06 2016-09-28 富士フイルム株式会社 洗浄装置
DE102014206994B4 (de) * 2014-04-11 2022-06-09 Koenig & Bauer Ag Druckwerk mit zumindest einem Druckkopf und zumindest einer Reinigungsvorrichtung und ein Verfahren zur Reinigung zumindest einer Düsenfläche zumindest eines Druckkopfs
JP6500581B2 (ja) 2015-04-30 2019-04-17 富士ゼロックス株式会社 洗浄装置及び液滴吐出装置
JP6656929B2 (ja) 2016-01-04 2020-03-04 東レエンジニアリング株式会社 インクジェットヘッドのメンテナンス装置およびインクジェットヘッドのメンテナンス方法
DE102016214356A1 (de) 2016-08-03 2018-02-08 Koenig & Bauer Ag Druckaggregat mit zumindest einem Druckkopf und zumindest einer Reinigungsvorrichtung und Verfahren zum Reinigen zumindest eines Druckkopfs
DE102016125321A1 (de) * 2016-12-22 2018-06-28 Océ Holding B.V. Verfahren und Vorrichtung zum Reinigen von Druckköpfen in mindestens einem Druckkopfriegel

Also Published As

Publication number Publication date
JP2021535014A (ja) 2021-12-16
WO2020169321A1 (fr) 2020-08-27
EP3927554B1 (fr) 2023-09-06
CN114206621A (zh) 2022-03-18
DE102019104579A1 (de) 2020-08-27
JP7014933B2 (ja) 2022-02-01
CN114206621B (zh) 2023-03-31
US11214069B2 (en) 2022-01-04
US20210309012A1 (en) 2021-10-07

Similar Documents

Publication Publication Date Title
EP3927554B1 (fr) Machine d'impression
DE69903122T2 (de) Tintenstrahldrucker mit einem Abstreifer und einer Reinigungsvorrichtung mit Unterdruck-Abzugshaube und Verfahren zur Montage des Tintenstrahldruckers
DE60113443T2 (de) Selbstreinigender druckkopf für tintenstrahldrucker
DE69910858T2 (de) Verfahren und Vorrichtung zum Reinigen eines Tintenstrahldruckkopfes
EP4065376B1 (fr) Machines d'impression et procédé de nettoyage d'au moins une barre de buses d'au moins un ensemble d'impression
EP3463903A1 (fr) Tête de nettoyage et dispositif et procédé de nettoyage de têtes d'impression
EP4065375B1 (fr) Machine d'impression et procédé de nettoyage d'au moins une barre de buses d'au moins un ensemble d'impression
DE102013217686A1 (de) Vorrichtung zum Bedrucken von dreidimensionalen Objekten
DE102019104580B4 (de) Druckmaschine mit einer reinigenden Zuführeinrichtung
DE102014206994B4 (de) Druckwerk mit zumindest einem Druckkopf und zumindest einer Reinigungsvorrichtung und ein Verfahren zur Reinigung zumindest einer Düsenfläche zumindest eines Druckkopfs
DE102020105974A1 (de) Druckmaschine mit zumindest einer Reinigungseinrichtung
DE60014488T2 (de) Siebdruckvorrichtung mit einer Reinigungseinheit, die innerhalb eines Stencils ersetzbar ist
DE102019009149B4 (de) Druckmaschine
EP3044000A1 (fr) Adaptateur de nettoyage et procédé de nettoyage de têtes d'impression
DE102006052154A1 (de) Vorrichtung zur Reinigung von Tintenstrahldruckköpfen
DE102021127501A1 (de) Reinigungsvorrichtung, Druckmaschine und Verfahren zum Reinigen einer Druckmaschine
DE102019104578A1 (de) Druckmaschine
DE102020105963A1 (de) Verfahren zur Reinigung zumindest eines Druckkopfes und Druckmaschine mit zumindest einer Reinigungsvorrichtung
DE102020105970A1 (de) Druckaggregat mit zumindest einem Düsenbalken
EP2888111B1 (fr) Appareil d'imprimer et procédé d'impression
DE102015100228A1 (de) Vorrichtung zum Reinigen einer Druckeinheit
EP2939834B1 (fr) Procédé destiné au nettoyage d'une tête d'impression
EP4316856A1 (fr) Procédé de nettoyage permettant de nettoyer des faces de buse d'un ensemble têtes d'impression à jet d'encre
DE102022103460A1 (de) Verfahren und Vorrichtung zum Befeuchten eines Sprühkopfs oder eines Druckkopfs
DE102014206993B4 (de) Druckwerk mit zumindest einem Druckkopf und zumindest einer Reinigungsvorrichtung

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210330

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: B41J 25/304 20060101ALI20221010BHEP

Ipc: B41J 25/00 20060101ALI20221010BHEP

Ipc: B41J 2/165 20060101AFI20221010BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20230102

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

INTC Intention to grant announced (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20230502

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502020005124

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20230906

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231207

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231206

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20231207

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240106

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240106

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20240108

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240301

Year of fee payment: 5

Ref country code: GB

Payment date: 20240124

Year of fee payment: 5

Ref country code: CH

Payment date: 20240201

Year of fee payment: 5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20240126

Year of fee payment: 5

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502020005124

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

26N No opposition filed

Effective date: 20240607

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230906

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20240131