EP3036108A1 - Druckeinrichtung und verfahren zum aufbringen eines druckmittels - Google Patents
Druckeinrichtung und verfahren zum aufbringen eines druckmittelsInfo
- Publication number
- EP3036108A1 EP3036108A1 EP14755070.1A EP14755070A EP3036108A1 EP 3036108 A1 EP3036108 A1 EP 3036108A1 EP 14755070 A EP14755070 A EP 14755070A EP 3036108 A1 EP3036108 A1 EP 3036108A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printing
- print carrier
- module
- carrier holder
- 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
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
- B41J19/00—Character- or line-spacing mechanisms
- B41J19/14—Character- or line-spacing mechanisms with means for effecting line or character spacing in either direction
-
- 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
- B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
- B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
- B41J13/12—Sheet holders, retainers, movable guides, or stationary guides specially adapted for small cards, envelopes, or the like, e.g. credit cards, cut visiting cards
-
- 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
- B41J25/001—Mechanisms for bodily moving print heads or carriages parallel to the paper surface
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- 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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/60—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/23—Identity cards
Definitions
- the invention relates to a printing device and a method for applying a printing medium to at least one print carrier.
- Print quality the method of so-called multiple printing can be applied in an ink-jet process.
- a printing process according to such a multiple printing is very time consuming because printheads the same place of a
- Print carrier must run over several times. Also, printing devices are for
- US 6,142,601 discloses a self-cleaning printer comprising a printhead. Further, a pickup is described, which is movable relative to the print head. US 2001/0043250 A1 also discloses such a printing device.
- EP 1 955 861 A1 discloses a method of delivering UV-curable ink from a printhead to a substantially rigid substrate of a material which is prone to at least temporary deformation when exposed to radiant energy, the method comprising: Moving a printhead approximately parallel to the substrate in a printing station;
- US 2002/0018097 A1 discloses a printer for ejecting ink droplets from a plurality of nozzles for the purpose of printing, comprising:
- a printhead capable of printing a full line on printing paper without the need to be shifted in the width direction of the printing paper
- a conveyer belt which is an endless belt, holding the printing paper, and the like
- Printing device can be reduced.
- Proposed is a printing device for applying a pressure medium on at least one print carrier.
- the printing agent may be, for example, a colorant or a color.
- the pressure medium may be a so-called functional material, for example a material having predetermined magnetic and / or fluorescent and / or reflective properties.
- the proposed printing device is used in particular for Application of a printing medium to a print carrier for producing a value and / or security document. By the pressure medium can also be
- a security document is any document that is a physical entity that is against unauthorized production and / or corruption
- Security features is protected. Security features are features that make it difficult to falsify and / or duplicate compared to a simple copy at least. Physical entities that include or form a security feature may or 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 or includes such. Examples of security documents, which also include value documents that represent a value, include, for example, passports, identity cards,
- the printing agent can also be a lacquer, for example a protective lacquer, in particular a so-called scratch-resistant lacquer.
- the print carrier here refers to an object to be printed.
- the print carrier may be formed as a card or card body, which serves for the production of a card-shaped value and / or security document.
- the card body may for example comprise a plurality of layers, wherein at least one of the layers is printed, in particular personalizing and / or individualizing
- a personalized and / or individualized layer or layer refers to a layer that is personalized and / or
- Serial number a document number or a hologram.
- Pressure medium can in this case a partial step in the production of the value and / or Form security document.
- the card body can comprise one or more lamination layers or layers, which are finally laminated to produce the security and / or security document.
- the lamination layer may be formed, for example, as a polymer film.
- the printing device comprises at least a first printing module, wherein the first printing module comprises at least one print head, preferably a plurality of print heads.
- a printhead may e.g. comprise a nozzle or nozzle row with a plurality of juxtaposed nozzles. Through the nozzles, the pressure medium is in particular dropwise ejected.
- the printing module and the at least one print head can be arranged or formed invariably in their relative position and orientation relative to one another.
- the printing device comprises at least one print carrier holder.
- the print carrier holder By means of the print carrier holder, the previously discussed print carrier, e.g. the card body, be held.
- Salary can e.g. mean that in, on or on the
- Print carrier holder of the print carrier can be arranged and optionally fastened.
- the print carrier holder can thus serve to receive and / or support the print carrier and, if necessary, as explained in more detail below, to transport the print carrier.
- the print carrier can for example be positively and / or non-positively connected to the print carrier holder.
- the print carrier can be printed by means of a vacuum, e.g. a negative pressure generated by a vacuum, which is from
- Print carrier holder acts on the print carrier or is exercised on one
- Attachment surface of the print carrier holder are arranged or attached.
- the first printing module is movable relative to the at least one print carrier holder of the printing device in a printing direction.
- the first printing module is also relative to a content-supported by means of the print carrier holder Drucklasis in the
- the printing device may in this case be e.g. a first drive means for moving the first pressure module, wherein by means of the first drive means the first pressure module e.g. is movable in the printing direction. Further, the printing device may comprise a further drive means for moving the print carrier holder, wherein the
- Print carrier holder by means of the further drive means e.g. is movable in the printing direction.
- the print carrier holder can in this case e.g. Part of the drive means or be attached to a part of the drive means.
- the pressure module can also be assigned a pressure range.
- the print area here refers to a region of the print module in which during a
- the printing medium is blasted or ejected from the printhead (s) of the printing module.
- Print carrier holder (and thus the print carrier) to be movable in the printing direction.
- the first printing module is additionally movable transversely to the printing direction relative to the print carrier holder of the printing device.
- transverse to the printing direction may mean that the first printing module is movable relative to the print carrier holder in or against a transverse direction which is oriented perpendicular to the printing direction.
- the printing direction and the transverse direction can hereby be oriented in a plane which is oriented parallel to a surface to be printed.
- the printing device serves to apply the pressure medium on a
- the printing medium can be applied with a first resolution in the printing direction and with a further resolution in the transverse direction.
- the first resolution can be equal to the other resolution.
- the first printing module may in this case comprise a plurality of print heads which are arranged spaced apart in the printing direction, for example in printing direction one behind the other. Each of these print heads may comprise a plurality of nozzles which are arranged at a predetermined distance from each other transversely to the printing direction. If the first printing module relative to the at least one print carrier holder with a content Erten thereon Pressure carrier moves in the printing direction, so the first resolution depending on a speed of movement in the printing direction and / or an ejection frequency of the pressure medium from the / the nozzle (s) dependent.
- the further resolution may be dependent on the distance of the nozzle transversely to the printing direction.
- the above-described pressure range of the printing module transversely to the printing direction, the entire width of the print carrier, which denotes a dimension of the print carrier transversely to the printing direction comprise.
- the printing device may in this case be a so-called drop-on-demand printing device.
- closed web here includes all web forms that form a continuous web, in particular a circular and an oval track.
- the print carrier holder can be moved along the closed path repeatedly in the printing direction past the first printing module.
- the print carrier holder can be guided past the first print module exactly once in the printing direction in a complete circulation.
- a further complete circulation can then be carried out again in the pressure direction. For each complete cycle, e.g. in each case one printing operation is carried out with a relative movement in the printing direction.
- the above-explained first drive means and / or the further drive means can in this case be designed and / or arranged such that the first pressure module is movable in a first printing operation relative to the at least one print carrier holder in the printing direction. Further, in a second printing operation, the first printing module relative to the at least one print carrier holder again in the
- Printing direction but also against the printing direction, be movable.
- the same relative movement is repeatedly executable.
- the first printing module can be moved relative to the print carrier holder in or opposite to the previously explained transverse direction.
- Print module or printheads of the first printing module must be arranged. This advantageously makes it possible to design the printing device with low installation space requirements and low production costs.
- the printing device comprises at least one further printing module, wherein the further printing module comprises at least one print head.
- the first printing module is arranged such that a first side of a holder supported by the print carrier holder and movable relative to the first print module can be printed. This means that the first printing module is arranged relative to the print carrier holder in such a way that printing means can be applied to a first side, for example an upper side, of the print carrier by means of the first printing module.
- the print carrier is movable along the closed path.
- the further printing module is arranged such that a further side of the holder supported by the print carrier holder and movable relative to the further printing module
- Print carrier is printable.
- the further printing module is arranged relative to the print carrier holder in such a way that printing means can be applied to a further side, for example a lower side, of the print carrier by means of the further printing module.
- the print carrier holder by a
- first and the further printing module are arranged one behind the other in the printing direction such that during the relative movement between the first printing module and the print carrier holder in the printing direction, the first side of the print carrier is guided past the nozzle / nozzles of the first print head module and during the relative movement in the printing direction between the other pressure module and the print carrier holder, the other side of the print carrier is guided past the nozzle / nozzles of the other printing module.
- Print direction be arranged behind the first printing module.
- Print carrier be printed by the proposed printing device.
- the further printing module can be movable in the printing direction and / or transversely to the printing direction.
- the printing module comprises at least one print head with at least two printing nozzles arranged along a straight line and spaced at a predetermined distance, wherein the straight line is oriented transversely to the printing direction.
- the straight line is therefore oriented parallel to the transverse direction.
- the nozzles in this case designate outlet devices or ejectors for the pressure medium.
- the nozzles enable the ejection of droplets of the printing medium in the direction of a Druckismes supported by a print carrier holder.
- Print carrier holder transversely to the printing direction is less than or equal to half the predetermined distance. If the first printing module can be moved transversely to the printing direction by half the predetermined distance relative to the print carrier holder, then the further resolution achieved in a first printing pass can be achieved in another
- Print run be doubled. If the minimum travel is less than half the predetermined distance, an even higher resolution can be achieved. For this purpose, however, more than two printing operations with the same relative movement in the printing direction may be required.
- the print carrier holder is movable in the printing direction.
- the further drive means may be configured such that the print carrier holder in the printing direction, for example, with a predetermined
- the further drive means may in particular allow the movement along the closed path.
- the further drive means may, for example, an actuator, such as an electric motor, and one with a
- Output shaft of the actuator mechanically coupled conveyor belt which may be preferably designed as an endless belt include.
- Drive means an actuator, such as an electric motor, and one with a
- Output shaft of the actuator mechanically coupled transport rail which may preferably be formed as a continuous rail.
- the conveyor belt or the transport rail can in this case form the print carrier holder.
- the print carrier holder may be attached to the conveyor belt or rail.
- the transport rail forms a guide means for the movement of the print carrier holder.
- the print carrier holder may e.g. be moved along the transport rail.
- the further drive means may also comprise a linear motor with a stator and one or more carriages, wherein the carriages are movable along the stator.
- the stator generates this when applying an electrical
- the carriage may in this case comprise magnetic, in particular permanent-magnetic elements, which interact with the magnetic field of the stator in order to drive the carriage.
- the stator may in this case comprise a plurality of track modules, in particular non-curved and curved track modules.
- the web modules can in this case be arranged such that a closed web is formed by the web modules.
- the further drive means may comprise guide means, for example guide rails, wherein by means of the guide means the at least one carriage along a
- desired (closed) path is movable. It is e.g. possible that the
- the carriage may, for example, comprise rollers, wherein the rollers are moved during the movement along the guide means.
- the at least one carriage can in this case form the print carrier holder.
- the print carrier holder may be attached to the at least one carriage.
- the first printing module is movable transversely to the printing direction.
- the first drive means may be configured such that the first pressure module is connected to e.g. predetermined increments across the printing direction is movable.
- the first pressure module is connected to e.g. predetermined increments across the printing direction is movable.
- Drive means also comprise an electric motor whose output shaft, e.g. with a rack, for example via a gear is coupled.
- the pressure module may be mechanically connected to the rack, in particular rigidly connected, wherein upon rotation of the output shaft, the rack moves transversely to the printing direction. As a result, the first printing module also moves transversely to the printing direction.
- the first pressure module is arranged over a first portion of the transport path, wherein the further pressure module is arranged over a further portion of the transport path.
- Pressure module synchronously movable. This means that the first pressure module and the further pressure module are simultaneously movable by the same amount in the same direction. Be the first printing module and the other pressure module through each other moves different drive means, so the various drive means can be controlled so that a synchronous movement takes place.
- the first and the further pressure module are synchronously movable by means of a common drive means.
- the first and the further pressure module can be mechanically coupled to the common drive means.
- the first and the further pressure module can be mechanically rigidly connected to one another. This results in an advantageous manner a particularly simple realization of the synchronous movement.
- the printing device comprises at least one
- Heating means wherein means of the heating means thermal energy to the print carrier, in particular the content on the print carrier holder Ertenerten print carrier, is transferable.
- the thermal energy can serve for drying or curing of pressure medium already applied to the print carrier.
- the proposed printing device advantageously allows a renewed application of pressure means can be done faster in time after a previous application, since the already applied pressure medium can be dried or cured.
- the at least one heating means may in particular be arranged in such a way that thermal energy can be transferred to the print carrier between the first and further printing processes explained above.
- the printing device may comprise a device for generating radiation, in particular UV radiation (ultraviolet radiation).
- the device for generating radiation can be designed and / or arranged such that radiation can be radiated onto the print carrier, in particular the print carrier supported on the print carrier holder.
- the radiation may in particular be UVA, UVB or UVC radiation.
- the radiation pressure medium can be cured on the print carrier, in particular UV-curable inks.
- the device for generating radiation may be, for example, a UV LED emitter, which is advantageously small, inexpensive and easy to integrate.
- the heating means and / or the device for generating radiation along the closed path can be arranged downstream of the first pressure module. This embodiment allows the transmission of thermal energy and / or radiation energy to the print carrier holder before or after a printing process. In particular, both a preheating of the
- Print carrier holder so a transfer of thermal energy to the print carrier and / or print carrier holder prior to a (re) printing, thus also allows drying of the print carrier after a successful printing.
- the heating means is in or on the
- the print carrier holder may in particular be made of a material having a predetermined thermal conductivity, in particular of metal. In this case, the transfer of thermal energy takes place on the print carrier on the print carrier holder. Also achieved by a particularly space-saving and thus space-minimizing training of the printing device with the at least one heating medium.
- the heating means is designed as a radiant heater.
- the radiant heater can in this case be designed and / or arranged such that thermal radiation from the radiant heater is directed onto the print carrier.
- a printing device comprises at least a first printing module, wherein the first printing module comprises at least one print head.
- the printhead may in this case have at least one nozzle for ejecting pressure droplets.
- the printing device comprises at least one print carrier holder. The first printing module is moved in a first printing operation relative to the at least one print carrier holder of the printing device in a printing direction.
- the at least one print carrier holder is moved along a closed path, wherein the print carrier is arranged in or on or on the print carrier holder.
- the printing device comprises at least one further printing module, wherein the further printing module comprises at least one print head, wherein the first
- Pressure module is arranged such that a first side of a through the
- Print carrier holder held and movable relative to the first printing module
- Print carrier is printable.
- the print carrier is moved along the closed path, wherein the further print module is arranged such that another side of the holder supported by the print carrier holder and movable relative to the further print module
- Print carrier is printable.
- the first printing module and / or the further printing module again relative to the at least one print carrier holder of
- Printing device moves in or against the printing direction.
- the same relative movement as in the first printing operation can take place in the second printing process.
- the first printing module and / or the further printing module is moved transversely to the printing direction relative to the print carrier holder of the printing device.
- the first printing module and / or the further printing module is moved transversely to the printing direction relative to the print carrier holder of the printing device.
- Printing module with a travel which is smaller than a predetermined distance between adjacent and arranged in a row transverse to the printing direction nozzles of a print head of the first printing module, transversely to the printing direction moves.
- a print carrier can be arranged or fastened in or on or on the print carrier holder.
- the print carrier performs the same relative movement as the print carrier holder relative to the first print module.
- the first printing module can be moved relative to the print carrier holder by the previously explained half predetermined distance from nozzles of a print head transversely to the printing direction, ie in the transverse direction. This results in a doubling of the further resolution.
- the first printing module can be displaced by a quarter of the predetermined distance in the transverse direction to be moved. In this case, the result is a tripling of the further resolution.
- the first printing module can again be moved by half the distance counter to the transverse direction. This results in a quadrupling of the further resolution.
- the at least one print carrier holder in particular between two
- Printing operations moving along a closed path.
- the print carrier holder can be moved between two temporally successive printing processes along the closed path in such a way that, after the later printing process, it has completed a complete cycle along the closed path.
- the proposed method thus advantageously allows a simple increase in the further resolution, the time required for this is low.
- thermal energy is transferred to the print carrier after the first printing operation and / or after the second printing operation.
- Printing applied printing medium is dried, whereby advantageously a period of time between two printing operations can be reduced.
- Print carrier holder can be printed while thermal energy and / or radiation, in particular UV radiation is transmitted to an unprinted or already printed print carrier of another print carrier holder. This is possible in particular when the at least two print carrier holders are movable along the closed path. This also results in an advantageous manner
- the print carrier is moved in a plurality of circulations along the closed path, wherein in each case one printing operation per revolution by at least one printing module, for example by the first and / or the further
- Print module is performed.
- temporally successive printing processes can each be a pressure medium, such as a colorant or a complete Image in the native and thus low resolution of the printhead to be applied to the print carrier.
- This method can be referred to as multipass printing.
- a paint in particular a scratch-resistant paint, can be applied to the print carrier.
- FIG. 1 is a schematic representation of a printing device according to the invention in a first embodiment
- Fig. 2 is a schematic representation of a printing device according to the invention in a second embodiment
- Fig. 3 is a schematic representation of a printing device according to the invention in a third embodiment.
- a printing device 1 according to the invention is shown schematically in a first embodiment.
- the printing device 1 comprises a first printing module 2, which comprises five printing heads 3a, 3b, 3c, 3d, 3e.
- a first print head 3a comprises a plurality of nozzles, not shown, which are arranged along a straight line with a certain distance, wherein the straight line is oriented transversely to a printing direction 4, ie in the transverse direction, or extends in the transverse direction. In the illustrated embodiment, therefore, the straight line is oriented perpendicular to the plane and oriented in the plane of the drawing. Through nozzles of the first print head 3a can
- a cyan colorant can be ejected drop by drop.
- a second print head 3b includes nozzles through which a magenta colorant can be ejected drop by drop.
- a third printhead 3c includes nozzles through which a yellow colorant can be ejected dropwise.
- a fourth printhead 3d includes nozzles through which a key colorant, that is, a black colorant, can be ejected drop by drop.
- a fifth printhead 3e comprises nozzles through which, for example, a functional security ink, for example an ink which can be excited by UV radiation or IR radiation (infrared radiation), can be ejected dropwise.
- a functional security ink for example an ink which can be excited by UV radiation or IR radiation (infrared radiation
- Such an ink can contain, for example, pigments that can be excited by UV radiation or IR radiation.
- the printing device 1 comprises a sixth print head (not shown), which sixth print head may comprise nozzles through which a
- Scratch-resistant paint can be ejected drop by drop.
- the previously described colorants, inks and / or lacquers can be curable in particular by UV radiation or can be dried by thermal energy.
- a print carrier e.g. a card-shaped print carrier to personalize and paint without transferring the print carrier in another machine.
- a multi-pass personalization and possibly a multi-pass coating is possible.
- the printing device 1 comprises a plurality of print carrier holder 5, which in a first process group PG1 and another process group PG2 of four
- Print carrier holders are grouped together.
- the print carrier holder 5 are arranged on a transport path 6, which is designed as a so-called continuous web or closed web.
- the transport path 6 can be formed for example by a conveyor belt or a transport rail or by the previously explained linear motor.
- print carrier holder 5 of a process group PG1 along the transport path 6 are spaced apart from each other at a first distance, wherein a in
- Printing direction 4 foremost print carrier holder 5 of the further process group PG2 is arranged from a pressure carrier 4 in the rearmost print carrier holder 5 of the first process group PG1 along the transport path 6 with a further distance which is greater than the first distance.
- the print heads 3a, ..., 3e are each arranged at a predetermined distance from each other.
- the first printing module 2 is movable in and counter to the transverse direction explained above.
- the print carrier can in particular as
- the print carrier holder 5 are formed as a card holder.
- the printing module 2 is movable relative to the print carrier holders 5 in a plane which is oriented parallel to a surface of a print carrier to be printed, wherein the print carrier is supported by one of the print carrier holder 5.
- the print carrier move on a trained as a circular path closed path.
- the printing device comprises means for insertion and means for carrying out the print carrier.
- the insertion here denotes e.g. a mounting or placing a print carrier to be printed on a print carrier holder.
- Print carrier from a print carrier holder Print carrier from a print carrier holder.
- the printing device 1 can be integrated into a longer process section.
- these are arranged on the same side of the printing device 1, in particular the transport path 6 or rail.
- a simple manual operation is possible. Therefore, this concept is particularly useful for a compact desktop solution.
- the first pressure module 2 is arranged above a first, straight section A1 of the transport path 6.
- the transport path 6 comprises or forms a further straight section A2, which is connected to the first section A1 via curved connection sections VA.
- the first process group PG1 is located in the first section A1 of the transport path 6, while the further process group PG2 is located in the further section A2 of the transport path 6.
- the printing device 1 comprises a radiant heater 7, which is arranged along the further section A2 of the transport path 6, wherein by means of the radiant heater 7 thermal energy 12 from the radiant heater 7 in the direction of the transport path 6 and thus also in the direction of arranged on the transport path 6 print carrier holders. 5 is blasted.
- the thermal energy 12 By means of the thermal energy 12, the means of the first
- Print module 2 are dried on the print media 5 applied pressure medium.
- the print carrier holders 5 of the first process group PG1 can be guided past the first printing module 2 by a corresponding movement of the transport path 6 in the printing direction 4 under the print heads 3a, 3e of the first printing module 2.
- the print carrier holders 5 of the first process group PG1 can be guided past the first printing module 2 by a corresponding movement of the transport path 6 in the printing direction 4 under the print heads 3a, 3e of the first printing module 2.
- the print carrier holder 5 of the first process group PG1 can then be guided past the radiant heater 7 in the further section A2 of the conveyor belt 6, whereby the pressure medium can be dried.
- the first printing module 2 Before the print carrier holder 5 of the first process group PG1 again in the first section A1 on the first printing module 2, in particular nozzles of the print heads 3a, 3e of the first printing module 2, are passed, the first printing module 2 in
- Transverse direction by a predetermined travel in particular by half the distance between two arranged in a row in the transverse direction nozzles of the print heads 3a, 3e, moves.
- a movement of the print carrier holder 5 and thus the print carrier supported by the print carrier holder 5 on the first printing module 2 in the printing direction 4 again occurs.
- a resolution in the transverse direction is doubled. If a resolution of a print head 3a, 3e in the transverse direction at eg 360 dpi, so in the second printing process, the resolution can be increased by a further 360 dpi. Accordingly, by a further movement of the first printing module 2 in or against the transverse direction, the resolution in the transverse direction in further
- FIG. 1 shows by way of example five print heads 3a, 3e and two process groups PG1, PG2, each with four print carrier holders 5.
- more or less printheads 3a, 3e and more or fewer process groups PG1, PG2 may be used with more or less print carrier holders 5.
- a sixth print head may be provided for the application of paint. It is also possible to provide seven printheads, with four printheads each for applying one CMYK colorant and the remaining three for applying one RGB colorant each (red / green / blue colorant).
- a throughput of print media can in this case depending on a size of a
- Process group PG1, PG2 and thus also depending on a length of the transport path 6 are set.
- Printheads 3a, 3e of the first printing module 2 can be movable transversely to the printing direction 4, for example by means of an electromechanical drive means. It is also possible to control in a printing operation only those printheads 3a, 3e whose printing means is to be applied during the printing process. Thus, for example, only one or only selected print heads 3a, 3e of all print heads 3a, 3e of the first print module 2 can be used for ejecting pressure medium.
- the print carrier holder 5 for example, by a corresponding movement of the transport path 6 in the first section A1, for example in a second printing operation, against the printing direction 4 relative to the first printing module 2 move. Even during such a movement, application of pressure medium can take place through one, several or all print heads 3 a, 3 e. Of course, it is also possible to set a speed of movement in or against the printing direction 4.
- Fig. 1 it is shown that by the use of process groups PG1, PG2 a common processing of several print media is possible, in particular synchronously the print carrier, which are arranged on print carrier holders 5 a process group PG1, PG2, printed or dried.
- Fig. 2 is schematically a second embodiment of an inventive
- Printing device 1 shown In contrast to that shown in Fig. 1
- Printing device 1 the printing device 1 comprises a further section A2 of the transport path 6 arranged multifunctional module 8, which several
- the module 8 can be operated as a heating module, wherein a print carrier holder 5 can be heated by the heating module.
- the module 8 can transmit thermal energy to the print carrier by means of heating radiation, wherein printing means can be dried between two printing operations or after a last printing operation.
- the module 8 can also form the radiant heater 7 shown in Fig. 1.
- the print carrier holder 5 may comprise a resistance heating element, by means of which the print carrier holder 5 can be heated. Since print media can be thermally coupled to the print carrier holders 5, thermal energy generated by the resistive heater can be transferred from the print carrier holder 5 to a print carrier.
- a printing device 1 is shown schematically in a third embodiment.
- the printing device 1 shown in FIG. 3 comprises a further printing module 9 with print heads 10a, 10b, 10c, 10d, 10e.
- the print heads 10a, 10e can be designed corresponding to the print heads 3a, 3b, 3c, 3d, 3e of the first print module 2.
- the further printing module 9 is arranged above a further section A2 of the transport path 6. In this case, the further printing module 9 is arranged such that a bottom of held by print carrier holder 5 held print carriers on printheads 10a, 10e demonstrated becomes.
- the first printing module 2 is arranged such that an upper side of print carriers, which are supported by print carrier holders 5, on the print heads 3a, 3e of the first
- Print module 2 is passed. In this case, tops of the print carriers face the nozzles (not shown) of the print heads 3a, 3e.
- the first pressure module 2 and the further pressure module 9 are rigidly connected to each other via a mechanical connection 1 1.
- the further printing module 9 is movable transversely to the printing direction 4. Due to the rigid mechanical connection 1 1, the printing modules 2, 9 are movable synchronously with each other.
- the printing device 1 comprises two radiant heaters 7, each radiating thermal energy 12 in the direction of the transport path 6 in the first section A1 and in the further section A2 of the transport path 6.
- the radiant heaters 7 are in this case arranged relative to the print carrier holders 5 and to the transport path 6 that thermal energy can be radiated onto an underside of print media by one of the radiant heater 7 thermal energy on an upper side of print media and by the further radiant heater 7.
- the proposed printing device 1 is thus advantageously a duplex printing and drying or curing of pressure medium on the top and bottom of the print carrier possible. Bottom and top or front and back of print media can thus be printed in one pass and dried or
- the proposed printing device 1 and the proposed method advantageously enables a resolution, in particular a resolution in a direction perpendicular to the printing direction, to be increased stepwise. Also results in an increased throughput through the circular transport path 6. Die
- printing device 1 allows a minimization of a number of printheads 3a, 3e, 10a, 10e, whereby construction costs are reduced. Also is an application of so-called functional materials by one or more
- Print heads 3a, 3e, 10a, 10e possible.
- the printing device 1 allows a modular structure, in particular an arbitrary arrangement of printing modules 2, 9 and multifunctional modules 8. Especially when using a multifunctional module 8 can save space several functions in the
- Printing device 1 can be realized.
- the printing device 1 shown in Fig. 3 results in an advantageous manner, a simultaneous printing of a bottom and top and, since no transfer is required in the print media for printing various pages, an increased registration accuracy. Also, there is an increased
Landscapes
- Ink Jet (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013216770.9A DE102013216770B4 (de) | 2013-08-23 | 2013-08-23 | Druckeinrichtung und Verfahren zum Aufbringen eines Druckmittels |
| PCT/EP2014/067860 WO2015025020A1 (de) | 2013-08-23 | 2014-08-21 | Druckeinrichtung und verfahren zum aufbringen eines druckmittels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3036108A1 true EP3036108A1 (de) | 2016-06-29 |
| EP3036108B1 EP3036108B1 (de) | 2017-10-11 |
Family
ID=51392255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14755070.1A Active EP3036108B1 (de) | 2013-08-23 | 2014-08-21 | Druckeinrichtung und verfahren zum aufbringen eines druckmittels |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3036108B1 (de) |
| DE (1) | DE102013216770B4 (de) |
| WO (1) | WO2015025020A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2879598B2 (es) | 2020-05-20 | 2022-04-22 | Tecglass Sl | Maquina de impresion de vidrio con transporte continuo del vidrio |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5670995A (en) * | 1995-12-18 | 1997-09-23 | Kupcho; Kevin M. | Apparatus for simultaneous double sided printing |
| US6347858B1 (en) | 1998-11-18 | 2002-02-19 | Eastman Kodak Company | Ink jet printer with cleaning mechanism and method of assembling same |
| JP2000153646A (ja) | 1998-11-18 | 2000-06-06 | Sankyo Seiki Mfg Co Ltd | プリント装置及び紙状媒体発行装置 |
| US6142601A (en) | 1998-12-04 | 2000-11-07 | Eastman Kodak Company | Self-cleaning ink jet printer with reverse fluid flow and method of assembling the printer |
| US6296403B1 (en) * | 1999-07-28 | 2001-10-02 | Scitex Vision Ltd. | Dual-mode printer for flexible and rigid substrates |
| US6477950B1 (en) * | 2000-04-12 | 2002-11-12 | Michael Alan Feilen | Apparatus and method for duplex printing of a sheet-like substrate |
| JP2002103598A (ja) * | 2000-07-26 | 2002-04-09 | Olympus Optical Co Ltd | プリンタ |
| US6523921B2 (en) * | 2000-08-30 | 2003-02-25 | L&P Property Management | Method and apparatus for printing on rigid panels and other contoured or textured surfaces |
| US8371216B2 (en) * | 2009-12-03 | 2013-02-12 | Mars, Incorporated | Conveying and marking apparatus and method |
-
2013
- 2013-08-23 DE DE102013216770.9A patent/DE102013216770B4/de active Active
-
2014
- 2014-08-21 EP EP14755070.1A patent/EP3036108B1/de active Active
- 2014-08-21 WO PCT/EP2014/067860 patent/WO2015025020A1/de not_active Ceased
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2015025020A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3036108B1 (de) | 2017-10-11 |
| WO2015025020A1 (de) | 2015-02-26 |
| DE102013216770A1 (de) | 2015-02-26 |
| DE102013216770B4 (de) | 2022-06-09 |
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