EP3113955A1 - Druckmodul, verfahren zum bedrucken und druckeinrichtung - Google Patents
Druckmodul, verfahren zum bedrucken und druckeinrichtungInfo
- Publication number
- EP3113955A1 EP3113955A1 EP15707950.0A EP15707950A EP3113955A1 EP 3113955 A1 EP3113955 A1 EP 3113955A1 EP 15707950 A EP15707950 A EP 15707950A EP 3113955 A1 EP3113955 A1 EP 3113955A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- container
- printing
- printhead
- module
- 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
Links
- 238000007639 printing Methods 0.000 title claims abstract description 176
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000012530 fluid Substances 0.000 claims description 135
- 230000005499 meniscus Effects 0.000 claims description 4
- 239000000976 ink Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/18—Ink recirculation systems
Definitions
- Printing module method for printing and printing device
- the invention relates to a printing module for printing on a carrier body, a method for printing and a printing device.
- the invention relates to a printing module, a method for printing and a printing device for printing a carrier body of a value and / or security document.
- carrier bodies in particular card-shaped carrier bodies, in particular information and / or security features on or in the carrier body
- Plastic films wherein the printed film and other films are then laminated to a laminate.
- the printing device comprises a
- Pressure device coupled to a reservoir.
- the reservoir is disposed in a pressurized fluid ejection direction behind the printing device, the printing device forming a print head. If the pressure ejection direction is parallel to a gravitational direction, that is to say a direction of the gravitational force, it follows that the reservoir is arranged above the printhead. If, for example, a power supply fails in such an arrangement, or if an unforeseen shutdown occurs, it is possible for the pressurized fluid, in particular ink, due to the
- a carrier to be printed body can be damaged in an undesirable manner.
- other parts of the printing device e.g. Parts of a transport device, are polluted by such leaking pressurized fluid and impaired in their functionality.
- US 2012/0268507 A1 discloses an ink jet printer comprising a
- Ink circulation path a first tank, a second tank and a pump, a first and second detector for detecting a liquid surface in the first and second tanks, an ink supply, a supplementary supply valve, a
- Control unit a storage unit and a determination unit.
- Düsenauslassraum is arranged in front of the print head, in particular in front of a Druckkopfauslass. If the nozzle outlet direction corresponds to the direction of gravity, then the container is arranged below the print head, in particular the print head outlet. In the event of a sudden power failure or improper operation, pressurized fluid may flow into the reservoir, particularly from the printhead and from conduits, with the corresponding flow of pressurized fluid from the printhead and conduits due to hydrostatic pressure passing through the reservoir
- a printing module for printing on a carrier body, in particular a carrier body of a security and / or security document.
- the carrier body may in particular be a card-shaped carrier body, which in particular has a predetermined thickness.
- the card body may in particular be made of plastic, more particularly of PVC.
- the support body may denote the substrate to be printed.
- the value and / or security document may be any document that is a physical entity that is against unauthorized manufacture and / or
- Security features are features that distort and / or duplicate at least make it difficult to make a simple copy. Physical entities that include or form a security feature may be referred to as security features.
- a security document may include multiple security features and / or security elements. As defined herein, a security document is always a security element. Examples of
- Security documents which also include value documents representing a value, include, for example, passports, identity cards, driving licenses, identity cards, access control cards, health insurance cards, banknotes,
- Postage stamps bank cards, credit cards, smart cards, tickets and labels.
- the printing module comprises at least one print head and at least one first container.
- the first container is in this case a container for a pressurized fluid or a
- Printing fluid in particular for ink, wherein the printing module is used for printing the carrier body with the pressurized fluid.
- the printhead has a printhead inlet and at least one nozzle, preferably a plurality of nozzles.
- the pressure fluid can be ejected towards the carrier body and thus emerge from the print head.
- the ejection may in this case be actorgeSpec, wherein e.g. a predetermined amount of pressurized fluid may be expelled from the at least one nozzle by appropriate actuation of one or more actuators from the nozzle.
- Various methods can be used for ejecting a quantity of pressurized fluid from the at least one nozzle, for example the known bubble jet technique or, preferably, a piezo-assisted method, wherein pressurized fluid is at least caused by deformation of elements due to an electrical variable or its change a nozzle is pressed.
- the at least one nozzle in this case has a Düsenauslassraum. This may, for example, be oriented along a central longitudinal axis of the nozzle and be oriented away from the print head.
- the nozzle outlet direction denotes a direction in which the printing fluid is ejected from the print head toward the carrier body.
- Düsenauslassraum can also be referred to as the printing direction.
- the printhead has a printhead outlet.
- the print head may also be referred to as a flow print head.
- printing fluid may flow into the printhead through the printhead inlet with a portion of the printing fluid being expelled from the printhead through the at least one nozzle for printing the substrate in the nozzle outlet direction and the remaining portion of the printing fluid flowing out of the printhead through the printhead outlet ,
- the at least one nozzle and the printhead outlet may thus form different apertures of the printhead through which print fluid may exit the printhead.
- a flow resistance of the at least one nozzle may be greater than a flow resistance of the at least one print head outlet.
- the printhead outlet is connected to the first container, in particular fluidically.
- the first container can also be referred to as a collecting container.
- an inlet of the further container fluidly with the
- Printhead outlet be connected.
- At least a part of the first container is arranged in the nozzle outlet direction in front of the at least one print head outlet, in particular with a predetermined spacing.
- at least a part of the first container may be arranged in front of the at least one nozzle.
- the first container may be arranged and / or configured such that, irrespective of a level of the first container, a surface of the pressurized fluid in the first container is arranged in the nozzle outlet direction in front of the at least one print head outlet, in particular in front of the at least one nozzle.
- Having at least a portion of the first container in the nozzle outlet direction disposed in front of the at least one printhead outlet means that the at least one portion of the first container is disposed below the at least one printhead outlet when the pressure module is positioned and / or aligned such that the nozzle outlet direction is one Gravitational direction, ie one direction of the
- the at least one part of the first container in particular the inlet of the first container, or a rear end side of the container in the nozzle outlet direction can be arranged at a predetermined distance along the nozzle outlet direction from the at least one print head outlet.
- the predetermined distance may also be referred to as the height difference between the first container and the print head.
- first containers may also be arranged and / or configured such that a minimum distance along the nozzle outlet direction between the surface of the pressurized fluid in the first container and the at least one independent of a level of the first container
- Printhead outlet or the at least one nozzle is given.
- the predetermined distance along the nozzle outlet direction is greater than 0 mm.
- the predetermined distance is greater than 10mm, more preferably greater than 20mm.
- the predetermined distance may also be 50mm.
- the pressure fluid can flow through the printhead and out of the printhead via at least one fluidic connection element, for example a line or a hose, into the first container.
- the predetermined distance is in this case to be chosen in particular such that at least a part of the between the
- Printhead outlet and the first container e.g. in a fluid technical
- This pressure fluid flowing into the first container can generate a negative pressure in the print head such that the pressure fluid in the print head is conveyed out of the print head, in particular toward the first container. Also located in the flow direction in front of the pressure module pressure fluid can be sucked in this way by the print head in the first container. This advantageously reduces this Risk that pressurized fluid escapes through the at least one nozzle and thus undesirably affects a printed image.
- the pressure module may further comprise at least one first device for generating a fluid flow, in particular a conveying device, for example a pump device.
- a fluid flow through the print head with desired properties for example a desired flow rate
- the fluid flow may be adjusted at a predetermined flow rate or volume rate, for example, in a range of 50 ml / min to 150 ml / min, preferably 80-100 ml / min.
- Printhead outlet and the first container to be part of a closed fluid circuit, wherein the fluid circuit connects the printhead and the at least first container.
- the printing module comprises at least one first pressure generating device.
- a predetermined pressure for example an overpressure or a negative pressure, in particular relative to an atmospheric pressure, can be generated.
- a pressure can be set at least in the first container.
- a vacuum in the first container can be generated by means of the first pressure generating device.
- a predetermined pressure level for example a predetermined overpressure or a predetermined negative pressure, in particular relative to an atmospheric pressure, can be set by means of the first pressure-generating device.
- Pressure generating means so the set in the first container at the time of failure pressure can be reduced over a predetermined period of time.
- a suction force on the in Print head located pressure fluid can be exercised. This advantageously supports the desired removal of the pressure fluid from the print head, in particular in the event of a failing energy supply.
- the first pressure generating device additionally a pressure in another container adjustable.
- the first pressure generating device additionally a pressure in another container adjustable.
- Pressure generating device can be coupled to both the first and the other container.
- suitable controls such as valves include, by means of which, preferably independently, the pressure in the first and in the other container can be adjusted by the pressure generator.
- the printing module comprises another
- the further pressure-generating device can also generate an overpressure or a negative pressure, in particular relative to an atmospheric pressure. Further, by means of the further pressure generating device, a pressure in another container is adjustable.
- the further container can be referred to here as a reservoir and will be explained in more detail below.
- the pressure in the first container may be adjustable independently of the pressure in the further container. In this way, a certain pressure difference can be set between the pressures in the first and in the other container. This can be set constant in time or variable in time. Preferably, a higher pressure in the further container than in the first container is adjustable.
- Pressure difference between the further and the first container can advantageously generate and / or support the above-explained fluid flow through the print head.
- the difference between the pressure in the further container and the pressure in the first container can be adjusted such that a predetermined
- Printhead outlet is provided. This will be explained in more detail below.
- the first and / or the further pressure-generating device can in this case provide the device explained above for generating a fluid flow or one or more further devices for generating a fluid flow.
- the printing module additionally has the other one
- the printhead is connected via the printhead inlet with the other container, in particular fluid technology.
- at least part of the further container may be arranged in front of the at least one nozzle.
- the further container may be arranged and / or formed such that, independently of a level of the further container, a surface of the pressurized fluid in the further container in the Düsenauslassraum before the at least one Druckkopfauslass and / or the at least one printhead inlet, in particular in front of the at least one Nozzle, is arranged.
- the first and the further containers can be arranged at the same distance in the nozzle outlet direction in front of the at least one
- the further container can be referred to here as a reservoir.
- pressurized fluid from the further container e.g. by means of the previously explained at least one means for generating a fluid flow
- the first container and the further container are fluidly connectable.
- an inlet of the further container can be fluidly connected to an outlet of the first container.
- the first and the further container can in this case fluidly connected or via a
- Separating device such as a valve, be connectable, wherein the separating device can establish or separate the fluidic connection between the first and the further container.
- the pressure module can have a further device for generating a fluid flow, in particular a further conveying device, for example a pumping device, wherein pressurized fluid can be conveyed from the first container into the further container by means of the further device for generating a fluid flow.
- a further conveying device for example a pumping device
- the printing module comprises at least one
- additional pressurized fluid refers to an amount of pressurized fluid which, in addition to that in the
- Fluid system existing pressurized fluid can be introduced into the fluid system, wherein the fluid system may include the first container, the printhead and optionally the other container and the corresponding fluidic connection elements.
- the inlet device is connectable to the inlet of the first container and / or to the inlet of the further container.
- the inlet device is connectable to the inlet of the first container.
- the inlet device can also be connectable to other parts or elements of the fluid system.
- the pressure module may comprise a fluid switching element, wherein by means of
- Fluid switching element either the inlet device with the inlet of the first
- the pressure module may comprise a fluid switching element, wherein by means of
- Fluid switching element either the printhead outlet or the inlet device with the inlet of the first container or both the inlet device and the
- Printhead outlet is connectable to the inlet of the first container.
- a fluid switching element can be designed, for example, as a valve, in particular as a shuttle valve. This results in an advantageous manner that the pressurized fluid can be replenished in the fluid system.
- When connected to the first container results in a further advantageous manner that adjustable due to one in the first container
- Vacuum the pressurized fluid can be introduced through the inlet device without additional insertion pressure.
- the printing module comprises at least one
- Pressure sensor for detecting a fluid pressure in the fluid system.
- the at least one pressure sensor a fluid pressure at the printhead inlet or on
- the pressure module may comprise two pressure sensors, wherein a first pressure sensor, the fluid pressure at
- Printhead inlet and another pressure sensor detects the fluid pressure at the printhead outlet.
- a desired fluid pressure in particular a desired pressure difference between the printhead inlet and the printhead outlet.
- the desired fluid pressure or the desired fluid pressure difference can, for example, be selected such that a fluid flow with desired properties
- a desired flow rate is generated by the printhead.
- the pressure module may comprise a control device, wherein the control device, depending on the detected by the at least one pressure sensor fluid pressure, the at least one device for generating a fluid flow in
- Fluid system controls such that a fluid flow is generated with desired flow parameters.
- the control device can control the previously explained first pressure-generating device and / or the further pressure-generating device and / or the devices explained above for generating a fluid flow.
- the pressure module may also comprise a further control device which controls the previously explained discharge of pressurized fluid through the at least one nozzle.
- the printing module has a first section and a further section. The sections may in particular
- Designate housing sections which in particular have a housing interior.
- the further section is arranged at a predetermined angle obliquely to the first section.
- the angle is in particular greater than 0 ° and less than 180 °. This may mean that a central longitudinal axis, in particular a central axis of symmetry, of the first section with a central longitudinal axis, in particular a central axis of symmetry, of the further section encloses the predetermined angle.
- the first portion may be arranged perpendicular to the further portion.
- the first section may extend along the central longitudinal axis of the first section and the further section may extend along the central longitudinal axis of the further section.
- the central longitudinal axis of the further section may be oriented parallel to the nozzle outlet direction.
- the further portion may extend away from the first portion in the nozzle outlet direction.
- the at least one print head is arranged in or on the first section and the at least first container is arranged in or on the further section.
- the further container can also be arranged in or on the further section.
- the printing module in particular a housing of the printing module, L-shaped or substantially L-shaped.
- the at least one print head and in or on the further leg of the L-shaped printing module can be arranged at least the first container.
- the printing module has at least one
- a receiving device may for example be a fastening device, wherein the fastening device denotes a device for producing a mechanical connection of a printing module with the support element.
- the mechanical connection is in particular a releasable mechanical connection.
- the mechanical connection can form a and / or non-positive connection.
- latching connections, clamping connections, screw connections and other, in particular detachable, mechanical connections are conceivable.
- a receiving device may be an alignment device, wherein an alignment device may designate an element for producing a predetermined position and / or orientation.
- an alignment device as a guide hole or contact surface or notch
- the pressure module has the at least one support element.
- the at least one support element may be attached to the printing module, in particular a housing of the printing module.
- the support element may be movable, in particular pivotable, attached to the pressure module.
- the at least one support module can be arranged on the printing module in such a way that the printing module, in particular stably, can be deposited on a, in particular flat, settling surface.
- the pressure module can be deposited on the shoulder surface in such a way that the nozzle outlet direction has at least one portion which is oriented perpendicular to the settling surface.
- the nozzle outlet direction in the settled state is oriented completely perpendicular to the settling surface.
- the at least one support element can be arranged on the pressure module in such a way that at least a part of the first container, preferably the entire first container, in the stepped-out state in the nozzle outlet direction before the at least one
- Printhead outlet is arranged.
- the printing module may have a plurality of receiving devices for a plurality of supporting elements or have a plurality of supporting elements.
- the pressure module can advantageously be removed from a pressure device and stored securely by means of the at least one support element, whereby the described embodiment further advantageously results in pressurized fluid being able to flow out of the print head into the first container even in the stepped-down state and not undesirably exiting through the at least one nozzle.
- the printing module has at least receiving element for receiving the printing module on a carrier device, wherein the printing module by means of the at least one receiving element in a predetermined position and / or can be fastened and / or aligned with the carrier device with a predetermined orientation.
- the carrier device can also have or form (corresponding) receiving elements for fastening and / or alignment of the printing module. This will be explained in more detail below.
- the predetermined position and / or orientation may be relative to a
- Carrier-containing printing device to be determined.
- a receiving element may for example be a fastening element, wherein a fastening element designates an element for producing a mechanical connection of a printing module with the carrier device.
- the mechanical connection is in particular a releasable mechanical connection.
- the mechanical connection may be a positive and / or non-positive connection. It is conceivable, e.g. Snap-in connections, clamp connections, screw connections and others,
- a receiving element may be an alignment element, wherein an alignment element may designate an element for producing a predetermined position and / or orientation.
- an alignment element may be formed as a guide pin or contact surface or notch.
- the carrier device may in particular be a carrier device of a printing device.
- the printing module can be arranged in an advantageous manner with a predetermined position and / or orientation in the printing device.
- a calibration requirement in particular when replacing the printing module, can be reduced or completely avoided.
- the pressure module may have a threaded bore and the carrier device has a corresponding through-hole, whereby the pressure module can be screwed to the carrier device.
- both the printing module, in particular the housing of the printing module, and the support means may have abutment surfaces which abut one another during fastening and thus a desired
- first and / or the further container of the printing module can respectively insert another connection for fresh air supply into the containers.
- the first and / or further container can / can be permanently installed in the printing module or exchangeable.
- a position of the first container and / or of the further container can be adjustable in a direction parallel to the nozzle outlet direction.
- the containers can be movably mounted.
- the first container and / or the further container can only be movable to predetermined, discrete positions or else continuously parallel to the nozzle outlet direction, wherein the container can be fixed to the pressure module after the movement.
- the position of the first and / or the further container can also be adjusted in an actuator-supported manner.
- the printing module may comprise one or more control devices,
- a pressure module may include a display device and / or an operating device, for example for displaying a fill level of the first and / or the further container.
- further information such as status messages and / or error messages can be displayed by means of the display device.
- the printing module can have at least one communication interface
- a printing module can communicate with a superordinate control device.
- print data can be transmitted to the print module.
- a printing module can also have at least one memory device for printing data.
- a printing module for example, a base color of an RGB Color space be applied. Also, by means of a printing module, a base color from a CMYK color space can be applied. Also, by means of a printing module, a spot color or a functional color can be applied. Further, a paint can be applied by means of a printing module. Furthermore, a material for generating a volume hologram can also be applied by means of a printing module.
- a pressurized fluid in particular from a further container, flows through one
- the method can be carried out by means of a device, in particular a printing module, according to one of the previously explained embodiments.
- the device, in particular the printing module according to one of the previously explained embodiments, be designed such that a method according to the described embodiments by the device, in particular the printing module, executable.
- the nozzle outlet direction can in this case in particular perpendicular to a
- the printing module can be fastened and / or aligned on a carrier device with a predetermined position and / or orientation.
- that can Be attached and / or aligned printing module such that the
- Düsenauslasstechnisch is equal to the direction of gravity.
- a predetermined pressure difference is set between a pressure at the printhead inlet and a pressure at the printhead outlet.
- Pressure difference for example, a predetermined pressure in the first container and / or a predetermined pressure in the other container can be adjusted. These can, for example, be adjusted such that the desired pressure difference results at the print head.
- pressure is applied to the printhead inlet in FIG.
- the pressure at the printhead inlet can be adjusted in particular as a function of a distance, in particular a minimum, average or maximum distance, between the first container, in particular a surface of the pressurized fluid in the first container, and the printhead outlet or the at least one nozzle.
- a fill level that is to say a position of the surface of the pressure fluid, of the first and / or of the further container, can be detected here, in particular sensory.
- a pressure module can have at least one device for detecting a fill level.
- the pressure at the printhead inlet is adjusted in response to a desired pressure differential between printhead inlet pressure and printhead outlet pressure.
- a desired property of a fluid flow through the print head can be set.
- the pressure at the printhead inlet and at the printhead outlet are detected, wherein the pressure in the first and / or further container is set such that a desired pressure at the printhead inlet and / or printhead outlet and / or a desired pressure difference exists.
- the pressure at the printhead inlet can be adjusted in particular by a pressure in another container.
- the pressure in the further container may be adjusted to provide a desired pressure at the printhead inlet.
- the pressure at the printhead inlet should be provided such that in a normal printing operation the desired meniscus pressure can be provided, with the negative pressure due to the distance between the at least one printhead outlet and the first container being due to the pressure fluid present in the printhead acts, is compensated.
- the printhead inlet and the pressure at the printhead outlet may be adjusted to provide a desired flow rate, such as 80-100 ml / min, through the printhead.
- a desired flow rate such as 80-100 ml / min
- Flow rates are set, in particular flow rates depending on desired operating parameters of the print head.
- pressurized fluid can be introduced through an inlet device into the fluid system, in particular into the first container and / or into the further container. Furthermore, pressurized fluid can be conveyed from the first container into the further container, for example during printing pauses.
- a printing device for printing a carrier body, in particular a carrier body of a value and / or security document.
- the printing device comprises at least one carrier device and at least one printing module according to one of the previously described embodiments. Furthermore, the printing module is fastened to the carrier device with a predetermined position and / or orientation.
- the support device may in particular be arranged stationary relative to a foundation or a Absteil configuration the printing device.
- the support means may in particular denote a set of elements which, as explained in more detail below, for receiving, in particular for fastening and alignment, of Serve pressure modules.
- the carrier device has receiving elements for fastening and / or alignment of at least one printing module, preferably a plurality of printing modules, or forms such receiving elements.
- the printing device at least one positioning device for
- the positioning device can in particular be a movable positioning device.
- the positioning device can enable a movement in at least one spatial direction.
- the positioning device can furthermore be, in particular, an XY displacement table, which makes it possible to move the carrier body in two mutually perpendicular spatial directions. Again, these directions may be oriented perpendicular to the previously discussed nozzle outlet direction.
- the proposed printing device a plurality of printing modules, in particular with a predetermined order along one of
- Movement directions of the positioning device are arranged, for example, comprise a printing module per basic color of the RGB color space, a printing module per primary color of the CMYK color space and a print module per a desired
- the printing device may comprise further functional modules, which may also be attached to the support means and / or aligned.
- the carrier device can extend in a spatial direction.
- the support means may e.g. have a predetermined length.
- the carrier device can be designed as a carrier rail, C-profile, T-profile or L-profile extending in one spatial direction.
- the above-explained receiving positions in particular a predetermined number of receiving positions, can be provided by the receiving elements.
- the printing or functional modules along this spatial direction in particular with a predetermined order and / or with predetermined distances to the in the
- the spatial direction may be, for example, a first spatial direction, wherein the first spatial direction may be, for example, parallel to a direction of movement of the previously explained positioning device.
- the length may in this case be greater than a width of the carrier device, for example a width in a second spatial direction, wherein the second spatial direction, for example parallel to a further direction of movement of
- a functional module can be designed, for example, as a heating module.
- a heating module may in this case comprise a device for generating thermal energy. By means of a heating module thermal energy for (value to be manufactured) and / or
- the functional module can be designed as a radiation module, in particular as a UV (ultraviolet) radiation module.
- a radiation module By means of a radiation module, the value and / or security document (to be produced) can be irradiated, in particular with a radiation which has a predetermined value
- Wavelength range for example, a UV wavelength range having. This can e.g. be required to obtain a, e.g. hardened by a printing module applied paint.
- the functional module can be designed as a surface pretreatment module. Such a functional module can, for example, use plasma or corona to process a surface of the carrier body. This allows the
- the carrier body may designate a substrate to be processed, in particular also a substrate to be printed.
- the printing device can be designed in particular as a so-called desktop printer, which has a compact design.
- the printing device allows this in an advantageous manner, the printing of carrier bodies for the production of value and / or security documents, which advantageously due to the lack of
- Necessity of a laminating a space requirement is significantly reduced.
- the printing device may of course comprise a housing, wherein the at least one carrier device and the at least one printing module in the
- Housing can be arranged.
- the housing may have a lid,
- a hinged lid to remove a print module from the housing and to bring back into the housing can.
- Fig. 1 shows a schematic cross section through a printing device with a
- FIG. 2 is a perspective view of a printing module
- Fig. 3 is a side view of a printing module in the supported state
- Fig. 4 is a schematic representation of a fluid system in a pressure module.
- Fig. 1 is a schematic cross section through a printing device 1 is shown.
- the printing device 1 comprises a carrier device 2, in particular a stationarily arranged carrier device 2.
- the carrier device 2 has, in particular, a first receiving section 4 extending in the vertical direction z and a further receiving section 5 extending in a lateral direction y, the first and the further Receiving portion 4, 5 at a free end of the first
- Receiving portion 4 are connected via a connecting portion 6 which extends obliquely to the first and further receiving portion 4, 5 and with each of these a predetermined angle, for example 45 °, includes.
- the carrier device 2 has a further support arm 7, which is fastened to the first receiving portion 4 and extends substantially in the lateral direction y away from the first receiving portion 4.
- a sliding carriage 8 is movably mounted, wherein the sliding carriage 8 in and against the lateral direction y and in and against a longitudinal direction (not shown) is movable.
- the longitudinal direction can here be oriented perpendicular to the lateral direction y and to a vertical direction z.
- the vertical direction z is oriented in this case in the direction of gravity, wherein the
- Gravitational direction corresponds to a direction of gravitational force g.
- the vertical direction z is oriented from top to bottom.
- a carrier body 9 is arranged, in particular a card-shaped carrier body 9, which is printed by the printing device 1.
- the printing module 1 1 is attached to the carrier device 2 with a predetermined orientation and position.
- Supporting device 2 in particular the first and the further receiving portion 4, 5, corresponding receiving elements (not shown in Fig. 1), wherein by means of the receiving elements, the printing module 1 1 with the desired orientation and position on the support means 2 can be fastened and / or aligned ,
- the printing module 1 1 has a substantially L-shaped housing 12 with a first portion 13 and a further portion 14, wherein a central longitudinal axis of the first portion 13 is oriented perpendicular to a central longitudinal axis of the further portion 14.
- the central longitudinal axis of the first section 13 is oriented parallel to the lateral direction y and the central longitudinal axis of the further section 14 parallel to the vertical direction z.
- a side surface of the further portion 14 of the housing 12 is located on a side surface of the first receiving portion 4 of
- Support device 2 on. Also, another portion of an underside of the first portion 13 of the housing 12 rests on a surface of the further receiving portion 5. Also, a side surface of a connecting portion between the first portion 13 and the other portion 14 of the housing 12 abuts on a side surface of the connecting portion 6 of the carrier 2.
- the pressure module 1 1 comprises a first container 15 for pressurized fluid DF (see FIG. 4). Further, the print module 1 1 comprises the print head 10. Not shown in Fig. 1 is another container 16 of the print module 1 1 (see, e.g., Fig. 2).
- the printhead 10 has a printhead inlet 17 and a printhead outlet 18.
- the printhead outlet 18 is fluidly connected via a hose 19 to an inlet 20 of the first container 15. Further, the printhead inlet 17 is above a Hose 19 with an outlet 21 of the other container 16 fluidly connected. Also shown is an inlet 22 of the first container 15 for fresh air.
- the print head 10 further includes nozzles 23 through which the printing fluid DF in a
- the first container 15, in particular the inlet 20 of the first container 15, is arranged in the nozzle outlet direction z in front of the at least one print head outlet 18, in particular also in front of the nozzles 23.
- a distance between the inlet 20 and the printhead outlet 18 may be determined as a distance A between top end surfaces of the inlet 20 and the printhead outlet 18.
- the first container 15 and in particular the pressure fluid DF located in the first container 15 is arranged at a lower height level than the pressure fluid DF located in the print head 10.
- Printhead inlet 17, printhead outlet 18, inlet 20 of the first container and / or the outlet 21 of the further container 16 can be dimensioned such that a
- the pressure module 1 1 comprises a first pressure generating device 24, which is coupled to the first container 15 and can generate a first pressure pO (see FIG. 4) in the first container 15.
- the printing module 1 1 comprises another
- Pressure generating device 25 which is coupled to the further container 16 and by means of which a further pressure p1 (see FIG. 4) in the further container 16 is adjustable.
- the pressure module comprises a first pressure sensor 26 and another
- Pressure sensor 27 wherein by means of the first pressure sensor 26, a pressure on
- Printhead outlet 18 can be detected.
- the printing module 1 1 comprises a control device 28 which is connected in terms of data and / or signaling with the pressure generating devices 24, 25, the pressure sensors 26, 27 and with the print head 10.
- the controller 28 may control the pressure generating means 24, 25 to provide a desired pressure differential between pressure at the printhead inlet 17 and pressure at the printhead outlet 18 is adjusted and, in particular at the printhead inlet 17, a desired absolute pressure is set.
- the printing module 1 1 comprises a display device 29, which may also be connected to the control device 28 in terms of data and / or signaling.
- a display device 29 On the display device 29, for example, status messages of the printing module 1 1, e.g. a level of one of the containers 15, 16, information about a color or type of the printing fluid DF or an error message are displayed.
- the printing module 1 1 comprises a communication interface 30, which may also be connected to the control device 28 in terms of data and / or signaling.
- a perspective view of a printing module 1 1 is shown. It is shown that the printing module 1 1 comprises a printhead 10 with a printhead inlet 17 and a printhead outlet 18. It is also shown that the printing module 1 1 comprises a first container 15 and a further container 16. Also shown is an inlet 20 of the first container 15 and an outlet 21 of the further container 16. The further container 16 also includes an inlet 31 for fresh air. It is further shown that the first container 15 has an outlet 32, which can be fluidly connected to an inlet 33 of the further container 16. As a result, pressurized fluid DF (see FIG. 4) can be conveyed from the first container 15 into the further container 16. FIG. 2 does not show fluidic connections, for example via hoses 19 (see FIG. 1).
- Fig. 2 is further shown that a side surface of the first portion 14 of the printing module 1 1 receiving openings 34 for Abstützfentee 35 (see FIG. 3). At least a portion of a support foot 35 can be inserted into the receiving openings 34, wherein the pressure module 1 1 can be deposited and stably supported by means of the support feet 35 on a depositing surface 36 (see FIG. 3).
- a guide pin 37 is provided, which can be inserted into a corresponding recess of the support means 2, in particular in the first receiving portion 4, whereby the printing module is attached to the support means 2 and aligned.
- Fig. 3 shows a schematic side view of a printing module 1 1 in the supported state.
- Abstütz Stahl col ße 35 are inserted into receiving openings 34.
- the receiving openings 34 may in this case also be formed as threaded bores, wherein the support feet 35 may be screwed into the receiving openings 34.
- the Abstön Stahl measures 35 spherical sections 39 on.
- the support feet 35 on the printing module 1 1 permanently, in particular movably mounted.
- the Abstön Stahl wh ße 35th For example, have a telescopic mechanism for undressing and / or be pivotally attached to the printing module 1 1. To settle these trained as Abstön Stahl Stahl feet support elements can then be pulled out and / or unfolded.
- the support feet 35 allow storage of the pressure module 1 1 such that even in the remote state, the first container 15 in the direction of gravity in front of a
- Printhead outlet 18 of the print head 10 may be arranged.
- the pressure module 1 1 can also be set down on the settling surface 36 with an end face of the further section 14.
- FIG. 4 shows a schematic fluid circuit diagram of a pressure module 11 according to the invention. Shown is a housing 12 of the printing module 1 1, which, as previously explained, a first portion 13 and a further portion 14 has.
- a print head 10 is arranged, the nozzle 23, wherein printing fluid DF through the nozzles 23 in a Düsenauslassraum z, in particular droplets, can be ejected from the print head 10.
- a first container 15, a further container 16 for pressurized fluid DF and an air tank 40 are arranged.
- a printhead outlet 18 is fluidly connected to an inlet 20 of the first container 15.
- a two-way valve is arranged, via which the inlet 20 of the first container 15 either with the printhead outlet 18 or a
- Refill (not shown) for refilling of pressurized fluid DF is connectable.
- Printhead outlet 18 is arranged, wherein the further distance A2 is independent of the level greater than the distance A shown in Fig. 1 between the inlet 20 and the Druckkopfauslass 18. Also, the inlet 20 of the first container 15 is arranged in the nozzle outlet z in front of the nozzles 23. In particular, the inlet 20 of the first container 15 and the
- An outlet 32 of the first container 15 is fluidly connected to an inlet 33 of the further container 16. Shown is a conveyor 41 via the pressurized fluid DF via this fluidic connection from the first container 15 in the other container 16 is conveyed.
- FIG. 1 Schematically illustrated is a surface of the pressurized fluid DF in another container 16, whereby a level of the other container 16 is fixed. It is shown that the surface of the pressurized fluid DF in the further container 16 in the nozzle outlet direction z is likewise at the further predetermined distance A2 in front of the nozzles 12 of FIG.
- Printhead 10 is arranged.
- the containers 15, 16 may also have different levels.
- the inlet 33 of the further container 16 is arranged in the nozzle outlet direction z in front of the nozzles 23.
- both the inlet 33 of the further container 16 and the surface of the pressurized fluid DF are arranged in the nozzle outlet direction z in front of the printhead outlet 18.
- An outlet 21 of the further container 16 is fluidly connected to the printhead inlet 17 via a filter element 42.
- a first pressure pO is set, wherein in another container 16, a further pressure p1 is set.
- the pressures p1, pO in the containers 15, 16 are chosen in particular such that a predetermined pressure difference is set between the printhead inlet 17 and the printhead outlet 18.
- the first pressure pO may be, in particular, a vacuum.
- atmospheric pressure can prevail in the air reservoir 40.
- pressure sensors 26, 27 which detect a pressure at the printhead inlet 17 and a pressure at the printhead outlet 18. Depending on the detected pressures, in particular a pressure difference between the detected pressures, the pressures pO, p1 in the containers 15, 16 can be regulated.
- both a further inlet 22 of the first container 15 and a further inlet 31 of the further container 16 are connected to the air tank 40.
- conveying devices 45 are provided, via which air from the air tank 40 into the respective container 15, 16 can be conveyed.
Landscapes
- Ink Jet (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014204190.2A DE102014204190A1 (de) | 2014-03-07 | 2014-03-07 | Druckmodul, Verfahren zum Bedrucken und Druckeinrichtung |
PCT/EP2015/054569 WO2015132322A1 (de) | 2014-03-07 | 2015-03-05 | Druckmodul, verfahren zum bedrucken und druckeinrichtung |
Publications (2)
Publication Number | Publication Date |
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EP3113955A1 true EP3113955A1 (de) | 2017-01-11 |
EP3113955B1 EP3113955B1 (de) | 2019-05-22 |
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ID=52627215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP15707950.0A Active EP3113955B1 (de) | 2014-03-07 | 2015-03-05 | Druckmodul, verfahren zum bedrucken und druckeinrichtung |
Country Status (3)
Country | Link |
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EP (1) | EP3113955B1 (de) |
DE (1) | DE102014204190A1 (de) |
WO (1) | WO2015132322A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102022122252A1 (de) | 2022-09-02 | 2024-03-07 | Dekron Gmbh | Tintenversorgungssystem und Tintenversorgungsverfahren für den Digitaldruck |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69529884T2 (de) * | 1994-11-30 | 2003-11-13 | Canon K.K., Tokio/Tokyo | Tintenstrahldruckgerät |
JP4384067B2 (ja) * | 2004-03-23 | 2009-12-16 | キヤノン株式会社 | 液体吐出装置および液体処理方法 |
US7594717B2 (en) * | 2005-01-11 | 2009-09-29 | Jemtex Ink Jet Printing Ltd. | Inkjet printer and method of controlling same |
JP2006231607A (ja) * | 2005-02-23 | 2006-09-07 | Konica Minolta Medical & Graphic Inc | インクジェットプリンタ |
JP4830659B2 (ja) * | 2006-06-16 | 2011-12-07 | 富士ゼロックス株式会社 | 液滴吐出装置 |
GB2447919B (en) * | 2007-03-27 | 2012-04-04 | Linx Printing Tech | Ink jet printing |
US8141993B2 (en) * | 2007-07-05 | 2012-03-27 | Seiko Epson Corporation | Fluid ejecting apparatus and method for transporting fluid |
JP5154258B2 (ja) * | 2008-02-21 | 2013-02-27 | 理想科学工業株式会社 | インクジェットプリンタ |
DE102008012425A1 (de) | 2008-02-29 | 2009-09-03 | Bundesdruckerei Gmbh | Verfahren und Vorrichtung zum Herstellen von Sicherheits- und/oder Wertdruckstücken |
JP5489629B2 (ja) * | 2008-12-05 | 2014-05-14 | キヤノン株式会社 | 記録装置 |
US20110199407A1 (en) * | 2010-02-18 | 2011-08-18 | Kabushiki Kaisha Toshiba | Image forming apparatus |
JP5569223B2 (ja) * | 2010-07-30 | 2014-08-13 | ブラザー工業株式会社 | 液体吐出装置 |
JP2012223971A (ja) * | 2011-04-19 | 2012-11-15 | Riso Kagaku Corp | インクジェットプリンタ |
JP5487256B2 (ja) * | 2011-10-19 | 2014-05-07 | 東芝テック株式会社 | インク供給装置及び画像形成装置 |
JP5460757B2 (ja) * | 2012-01-31 | 2014-04-02 | 京セラドキュメントソリューションズ株式会社 | インクジェット記録装置 |
TW201420366A (zh) * | 2012-07-10 | 2014-06-01 | Zamtec Ltd | 組構爲用於有效率氣泡移出之印表機 |
-
2014
- 2014-03-07 DE DE102014204190.2A patent/DE102014204190A1/de active Pending
-
2015
- 2015-03-05 WO PCT/EP2015/054569 patent/WO2015132322A1/de active Application Filing
- 2015-03-05 EP EP15707950.0A patent/EP3113955B1/de active Active
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Publication number | Publication date |
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EP3113955B1 (de) | 2019-05-22 |
WO2015132322A1 (de) | 2015-09-11 |
DE102014204190A1 (de) | 2015-09-10 |
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