EP3781403A1 - Vorrichtungen, maschine sowie verfahren zum auftragen und ausrichten von magnetischen oder magnetisierbaren partikeln auf einem bahn- oder bogenförmigen substrat - Google Patents
Vorrichtungen, maschine sowie verfahren zum auftragen und ausrichten von magnetischen oder magnetisierbaren partikeln auf einem bahn- oder bogenförmigen substratInfo
- Publication number
- EP3781403A1 EP3781403A1 EP19700895.6A EP19700895A EP3781403A1 EP 3781403 A1 EP3781403 A1 EP 3781403A1 EP 19700895 A EP19700895 A EP 19700895A EP 3781403 A1 EP3781403 A1 EP 3781403A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- substrate
- transport path
- magnetic
- transport
- 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
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- 239000002245 particle Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 14
- 238000001035 drying Methods 0.000 claims abstract description 60
- 239000011248 coating agent Substances 0.000 claims abstract description 49
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 238000007639 printing Methods 0.000 claims description 91
- 230000005855 radiation Effects 0.000 claims description 40
- 238000012546 transfer Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 26
- 238000007650 screen-printing Methods 0.000 claims description 20
- 230000008901 benefit Effects 0.000 description 9
- 238000011161 development Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000000543 intermediate Substances 0.000 description 6
- 230000000873 masking effect Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
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- 239000001913 cellulose Substances 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000001599 direct drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
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- 230000003993 interaction Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
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- 230000001629 suppression Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/002—Apparatus or machines for carrying out printing operations combined with other operations with means for applying specific material other than ink
- B41F19/005—Apparatus or machines for carrying out printing operations combined with other operations with means for applying specific material other than ink with means for applying metallic, conductive or chargeable material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/12—Machines with auxiliary equipment, e.g. for drying printed articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
- B05D3/207—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields post-treatment by magnetic fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
- B41F13/193—Transfer cylinders; Offset cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0804—Machines for printing sheets
- B41F15/0809—Machines for printing sheets with cylindrical or belt-like screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0831—Machines for printing webs
- B41F15/0836—Machines for printing webs by means of cylindrical screens or screens in the form of endless belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
- B41F21/08—Combinations of endless conveyors and grippers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F21/00—Devices for conveying sheets through printing apparatus or machines
- B41F21/10—Combinations of transfer drums and grippers
- B41F21/102—Combinations of transfer drums and grippers with pneumatic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0406—Drying webs by radiation
- B41F23/0409—Ultraviolet dryers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0406—Drying webs by radiation
- B41F23/0413—Infrared dryers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/045—Drying sheets, e.g. between two printing stations by radiation
- B41F23/0453—Drying sheets, e.g. between two printing stations by radiation by ultraviolet dryers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/045—Drying sheets, e.g. between two printing stations by radiation
- B41F23/0456—Drying sheets, e.g. between two printing stations by radiation by infrared dryers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/009—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using thermal means, e.g. infrared radiation, heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/065—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/19—Other features of rollers
- B65H2404/191—Other features of rollers magnetic
Definitions
- the invention relates to devices, a machine with such a device and a method for applying and aligning magnetic or magnetizable particles on a web or sheet-shaped substrate according to the preamble of claim 1, 10, 28 and 29, respectively.
- EP 2 845 732 B1 discloses a printing machine having a screen printing unit and a device for aligning magnetic or magnetizable particles contained in the printing ink or paint, wherein the device comprises a cylinder with a plurality of magnetic field effecting elements on the circumference and an imager Transport path to a location directed dryer on which the substrate has not yet left the cylinder.
- EP 3 178 569 A1 substrate is on a side with magnetic or
- CN 105034570 B discloses a device for producing a magnetic coating agent printed substrate, wherein the substrate on a first Side coated by a printing device, is subsequently performed on this first page successively on a first and a second, each having a magnetic field generating elements having cylinder before it is dried on the double-printed page by, for example, curing device.
- coating agent containing magnetic or magnetizable particles is applied to a substrate surface, then the particles are aligned by a magnet provided on the second side and at the same time by using a mask on only a part of the surface from the first side dried before the undried part is aligned from the first side by a magnet and at the same time dried from the second side by a dryer.
- EP 2 114 678 B1 discloses a cylinder which has in the region of its outer circumference a plurality of magnetic field effecting elements in or on a plurality of axially spaced apart and axially positionable on a shaft ring elements, in or on which in turn in each case a plurality of magnetic elements in the circumferential direction arranged one behind the other.
- US 2006/0219107 A1 discloses a printing press with a device for aligning magnetic flakes in the form of a magnet
- Counterpressure cylinder disclosed which acts together to form two pressure points with a first and a second screen cylinder.
- a first variant is as
- a second variant is as a magnetic cylinder instead of
- Counter-pressure cylinder equipped with a magnet, provided downstream of the discharge cylinder provided in the printing material intermediate cylinder.
- magnets on the impression cylinder and / or on the discharge cylinder and / or on Intermediate cylinder be provided.
- the two variants would offer the advantage that the impression cylinder is not modified and thus no bumps or
- WO 2016/067247 A1 discloses a printing machine comprising a device for magnetic orientation with a magnetic cylinder, via which the printing material provided upstream of the fluid containing magnetic particles is guided.
- a dryer On the circumference of the magnetic cylinder, a dryer is directed, which is preferably designed as a UV LED dryer.
- DE 1 1 2012 006 348 T5 discloses a printing machine with a screen printing unit and a downstream magnet alignment cylinder. The latter is followed by a transport cylinder and a transport and drying cylinder.
- the magnetic cylinder and the transport and drying cylinder comprise inside two air chambers, which lie between a respective spindle and a respective cylinder body and are separated by two extending between the spindle and the cylinder body Beerschillersangn.
- the relations between spindle, cylinder body and Heilschreibandersangn for both cylinders should be the same.
- WO 2016/030819 A1 discloses a combination printing press which, in addition to a screen printing unit downstream, comprises an intaglio printing unit.
- Screen printing unit comprises downstream of the pressure point a magnetic cylinder, followed by a sheet transfer cylinder and a drying cylinder.
- the US 2017/0190197 A1 discloses a combination printing machine, in addition to a Screen printing downstream of a Zahlierdruckappel comprises.
- the screen printing unit comprises downstream of the pressure point a magnetic cylinder, followed by a sheet transfer cylinder and a counter-pressure cylinder of the
- the invention has for its object, devices, a machine with such a device and a method for orders and aligning
- Magnetic cylinders and preferably intermediate drying are complex optically variable picture elements, if desired with particularly sharp limits.
- a device for aligning magnetic or magnetisable particles which are contained in a coating agent applied to a first side of a web or sheet-shaped substrate comprises, arranged in the transport path of the printing material applicator, in particular a printing unit cylinder having printing unit by which the coating agent is applied to at least one application point on the first side of the substrate and / or can be applied, designed as a magnetic cylinder cylinder first in the transport path of the substrate to be conveyed downstream of the applicator, in particular downstream of all
- Printing cylinder which are involved in one or more pressure points of the printing unit, is arranged and in the region of its outer periphery a plurality of a
- Magnetic effecting elements hereinafter also referred to as magnetic elements comprises, another, designed as a magnetic cylinder cylinder which is arranged in the transport path of the substrate to be conveyed and in the region of its outer periphery comprises a plurality of magnetic field effecting elements, and a drying and / or curing device, which is arranged on the transport path between the point of accumulation of the substrate on the first cylinder and the point of casserole on the other cylinder.
- the first cylinder designed as a magnetic cylinder is arranged in the transport path of the substrate to be conveyed on its second side and the drying and / or curing device is directed in the transport path of the substrate to be conveyed on the first page.
- the further cylinder is provided downstream of a second cylinder downstream of the first cylinder and arranged in the transport path of the substrate to be conveyed on the same side of the transport path as the first cylinder.
- the second cylinder is designed as a transport cylinder, via which the substrate from the first cylinder can be supplied to the third cylinder and / or supplied.
- a particularly advantageous solution is made possible by a device for aligning magnetic or magnetisable particles contained in a coating agent applied to a first side of a web or sheet substrate, one of which
- Magnet cylinder comprises executed first cylinder, which is arranged in the transport path of the substrate to be conveyed at a first cylinder position and in the region of its outer periphery comprises a plurality of magnetic field effecting elements, and one in the transport path to the first cylinder at a second
- Transport path is arranged as the first cylinder.
- the first cylinder provided at the first cylinder position, the second cylinder and a third cylinder following in the transport path at a third cylinder position on the second cylinder are rotatably mounted or storable in frame walls of a frame, wherein the second cylinder as - in particular pure transport cylinder, d. H. without magnetic elements on the circumference, is executed.
- the pins of the second and / or third position to be arranged cylinder receiving bearing means are configured such that the second and / or third cylinder position optionally with a cylinder corresponding to the first cylinder with a plurality of magnetic field effecting elements or with a Transport cylinder and / or the pins of the first to be arranged cylinder receiving bearing means designed such that the first cylinder position instead of the magnetic cylinder optionally with a second cylinder corresponding transfer cylinder can be equipped and / or configurable.
- the third cylinder position equipped with a cylinder designed as a cylinder cylinder, which has in the region of its outer periphery of a plurality of magnetic field-causing elements, equipped and / or configured.
- the third cylinder position may be equipped and / or configured with a cylinder designed as a transfer cylinder.
- running bearing means are preferably with pins of one for the optionally to be configured magnetic and transfer cylinders of the same diameter receiving radial bearings and / or on the frame with at the respective cylinder positions
- the first cylinder is arranged in the transport path of the substrate to be conveyed in each case on its second side.
- a cylinder in particular a cylinder for
- Coating means are contained, and which in the region of its outer periphery a plurality of magnetic field effecting elements, d.
- Magnetic elements comprises, the magnetic elements are arranged in or on a plurality of axially spaced apart and axially positionable on a shaft ring elements, in or on which in turn a plurality of magnetic elements are arranged in the circumferential direction one behind the other.
- the cylinders comprise holding means for the transport of the substrate formed as a printing material sheet, wherein a Transfer of the formed as a substrate sheet substrate takes place directly between the adjacent cylinders.
- a chain gripper system with gripper strips carried by circulating endless chains in the transport path between the application device and the first cylinder, a chain gripper system with gripper strips carried by circulating endless chains.
- One in an o. G. Device z. B. provided first drying and / or
- Hardening device is preferably adapted to act in transverse to the transport direction spaced apart portions on the substrate to be treated and / or is directed to a lying on the circumference of the first cylinder point of the transport path.
- the sections are preferably adjustable in their position transversely to the transport direction and / or of which the drying and / or curing device comprises a plurality of radiation sources, preferably UV radiation sources such as in particular UV LEDs, in a plurality of dryer heads defining the sections or in an over the maximum to be treated substrate width continuous, but partially activatable array of radiation sources are provided.
- One in an o. G. Device z. B. provided second drying and / or
- Hardening device preferably comprises a plurality of radiation sources, preferably UV radiation sources such as in particular UV LEDs, which are provided in an over the maximum to be treated substrate width continuous array of radiation sources.
- UV radiation sources such as in particular UV LEDs
- At least two adjacent ring elements preferably all ring elements each have a cover element forming part of the cylindrical envelope surface of the cylinder and extending in the circumferential direction at least over the peripheral region equipped with the magnetic elements, the cover elements of two adjacent ones Ring elements on their sides facing each other in the axial direction each have a plurality of circumferentially alternating with recesses projections in the circumferential direction, so that at a relative
- Substrate print in particular embodied as a sheet feeder, at least one printing unit with at least one printing unit, in particular a screen printing unit, by which printed on a transport path through the machine substrate is printed at least on a first page and / or can be, a product recording, in particular designed as a stack display, and a device provided in the transport path of the substrate between the printing unit and product receiving device for aligning magnetic or magnetizable particles, as described by one of the above and / or described in the embodiments performance or
- Fig. 1 shows an embodiment of a machine for generating optically variable
- FIG. 2 is a schematic representation of a substrate printed in printing elements with an optically variable coating agent
- Fig. 3 is a schematic representation of one with optically variable picture elements
- Fig. 4 is an enlarged view of the printing unit of Fig. 1;
- Fig. 5 is an enlarged view of the device for aligning magnetic or magnetizable particles of Fig. 1;
- FIG. 6 is a side view of the open side of a device for aligning magnetic or magnetizable particles.
- FIG. 7 shows a vertical section of the device according to FIG. 6 running transversely to the transport direction;
- FIG 8 is an oblique view of the device for aligning magnetic or magnetizable particles with a first embodiment for the first T rocknungs- and / or curing device.
- FIG. 9 shows an oblique view of the device for aligning magnetic or magnetizable particles with a second embodiment variant for the first drying and / or curing device;
- Fig. 10 is an oblique view of an embodiment for a magnetic cylinder
- Fig. 1 1 is an oblique view of an embodiment for a T ransportzylinder
- Fig. 12 is a schematic representation of different versions or
- Fig. 13 is a schematic representation of an advantageous embodiment of a
- printing machine 01 for generating optically variable picture elements 03 on a substrate 02, z.
- optically variable ink 06 or 06 lacquer at least one job, z. B. pressure point, on at least a first side of the substrate 02, z. B. the printing material 02, over the entire surface or in partial areas in the form of pressure elements 08 can be applied, and a
- Device 07 for aligning the optically variable effect in the picture elements 03 by orientation of the coated in the optically variable and on the substrate 02 coating agent 06 and responsible for the optical variability particles (see, for example, Fig. 1).
- This device 07 will also be referred to as alignment device 07 for short.
- the alignment device 07 is provided in particular in the transport path downstream of the applicator. She is
- the pressure elements 08 of variable coating agent 06 applied by the application device 04 to the substrate 02 before the treatment by the alignment device 07 can correspond in size and position to the optically variable image elements 03 to be produced (see, for example, FIGS. 2 and 3). or, if necessary, be larger than this, possibly even extend over the area several benefits 09.
- an optically variable picture element 03 is not generated on the entire surface coated with optically variable coating agent 06 by aligning.
- magnetic or magnetizable, non-spherical particles eg. Example, pigment particles, hereinafter also referred to as magnetic flakes, contain.
- the machine 01 is preferably for the production of benefits 09, z. B. securities 09, in particular banknotes 09, or intermediates such securities 09, z. B. print images of several such securities 09 containing printing material sections executed.
- On a longitudinal section web-like substrate 02 or a sheet of an arcuate substrate 02 are preferably several benefits 09, z.
- the machine 01 embodied as a printing machine 01 can basically comprise one or more printing units 04 with one or more printing units of any printing method. However, in a preferred embodiment, it comprises a printing unit 04 with at least one after the flexographic printing process or preferably after
- first side of the substrate 02 or substrate 02 is chosen arbitrarily here and should denote that side of the printing material 02 on which the optically variable coating agent 06 is applied or has been or can be.
- the printing machine 01 comprises a substrate or substrate template 13, z. B. a Rollenabwickler 13 or preferably a sheet feeder 13, of which the web or preferably sheet-shaped substrate 02 - possibly via other printing or processing units - of the optically variable coating agent 06-applying printing unit 04, z. B. flexo or in particular screen printing unit 04, with at least one printing unit 1 1; 12, z. B. flexographic or in particular screen printing 11; 12, is or can be.
- two screen printing units 1 1; 12 are provided, which are preferably combined in a same pressure unit 04 and between each of a forme cylinder 14; 16, z. B. a screen-printing cylinder 14; 16, and one
- a drying and / or hardening device 18 directed onto the first side of a printing material 02 to be conveyed by the printing unit 04 can be used, eg. B. a UV dryer 18 may be provided. It can work with just one or both of the
- Printing cylinder 14; 16; 17 denotes.
- optically variable coating agent 06 applying printing unit 04 is the substrate 02 via funding a first conveyor 19 of the
- Aligning device 07 can be fed.
- this may be one or more positively driven or non-driven rollers, via which the printing material 02 on the input side can be guided or guided into the alignment device 07.
- sheet-shaped substrate 02 d. H. individual printing material sheets 02 passing through the machine 01 are provided as conveying means for conveying the bow.
- bow-conveying means may be formed in one embodiment, not shown, by one or more transfer cylinders or drums, the printing material 02 from the printing unit 04, z. B. from the impression cylinder 17, take over and possibly via a conveyor with one or more transfer cylinders or drums on the input side to the alignment device 07.
- the first conveyor 19 in another, advantageous embodiment shown here, the first conveyor 19, however, as
- Chain gripper system 19 executed, which on both sides of the frame rotating Endloszugstoff 21, z. B. endless chains 21, which carry transverse to the transport direction gripper strips 22.
- the gripper bars 22 leading sheet ends are tangible, the printing material 02 so along the conveying path transportable and deliverable at the destination to the appropriate conveying or receiving means.
- the printing material 02 so along the conveying path transportable and deliverable at the destination to the appropriate conveying or receiving means.
- Transfer area of the printing material 02 from the printing unit 04 and in the region of the delivery of the same to the alignment device 07 each have a sprocket 23; 24, also Kettengreiferrad 23; 24 called.
- the printing material 02 is conveyed via conveying means to a further, e.g. B. second conveyor 26 a product receptacle 27 for receiving the processed in the machine 01 and / or processed substrate 02, z. B. a rewinder 27 in the case of sheet-like substrate 02 or a stack delivery 27 in the preferred case sheet-shaped substrate 02, feasible.
- this may again be one or more positively driven or non-driven rollers, which continue the transport path of the first conveyor 19 and through the alignment device 07 and over which the printing material 02 on the input side in the winder 27 can be guided or guided.
- sheet-shaped printing material 02 are provided as conveying means for conveying bow. These can be formed as above by one or more transfer cylinders or drums which take over the printing material sheet 02 from the alignment device 07 and deliver it downstream to the stack delivery 27.
- the second conveyor 26 as the first as
- a cooling device 33 is provided (see, for example, Fig. 1, variant b)). This can be performed, for example, as a cooling roller 33, which between the coming of the aligning device 07 second conveyor 26 and a third, z. B. also as gripper circulation conveyor 36, z. B. chain gripper system 36 running conveyor 36 is arranged.
- an inspection device not shown, for. As an area or line scan camera, provided and, for example, be directed to a lying in the transport path lateral surface segment of the cooling roller 33.
- the alignment device 07 described in detail below is in principle arbitrary, but is preferably provided or can be provided in a machine 01 or press 01 described above. In an advantageous embodiment, it is designed in the manner of a module and can be inserted into the transport path of the machine 01 to be equipped with input and output interfaces to the open section ends of a conveyor system which continues upstream and downstream.
- a kind of module here is for example a structural unit to understand which at least as a frame unit from the two connected via a bottom and / or trusses side panels 48; 49 is inserted and removed.
- Printing elements 08 - on the substrate 02, in particular substrate 02, applied optically variable coating means 06 comprises a defined transport path along which the substrate 02 to be conveyed by the alignment device 07 of a Entrance, in which the substrate to be treated and on its first side optically variable coating 06 having substrate 02 is supplied or can be fed, in a defined manner to the active components 37; 38; 39; 37 * ; 38 * ; 39 * ; 51; 52 is passed or conveyed past an exit area.
- the optically variable coating agent 06 having page to understand in particular that side on which, for example upstream in the transport path through the applicator 04, the optically variable coating agent 06 is applicable or is applied or was.
- first cylinder 37; 37 * arranged in the transport path of the substrate to be conveyed 02 on the second side, so that it with its first, with optically variable
- Coating agent 06 coated side during transport over the first cylinder 37; 37 * points outwards.
- downstream of a third cylinder 39; 39 * provided on the same side of the transport path as the first cylinder 37; 37 * is arranged.
- such a next to the above-mentioned frame unit also pre-assembled one, several or all of the group of cylinders 37; 38; 39; 37 * ; 38 * ; 39 * include.
- the first cylinder 37 has a plurality of magnetic elements 41 in the area of its outer circumference, in the following also referred to as magnetic elements 41, which orientate at least part of the magnetic or magnetizable particles of the passing on the Serving substrate applied coating agent 06 serve.
- magnetic elements 41 which orientate at least part of the magnetic or magnetizable particles of the passing on the Serving substrate applied coating agent 06 serve.
- a plurality of rows of magnetic elements 41 spaced transversely to the transport direction are provided in the circumference, which in unwinding on the substrate 02 with the pattern of the image elements 03 to be acted upon by magnetic fields on the substrate 02 correspond.
- the cylinder 37 comprising the magnetic elements 41 will also be referred to below as
- Magnetic cylinder 37 denotes. With the o. G. Guiding the substrate 02, so that its first side during transport over the first cylinder 37 points outward, an orientation or orientation of the particles takes place by means of the magnetic elements 41 in this case through the substrate 02 therethrough.
- the second cylinder 38 is merely designed as a transport cylinder 38, i. H. without magnetic elements in the area of its outer circumference.
- the first cylinder 37 is assigned to the alignment device 07, and in particular not attributable to the application device 04 or not also effective for forming a pressure point as a printing unit cylinder.
- a third cylinder covers 39 of the alignment device 07 downstream of the second cylinder 38 is in the basic version or - configuring, the third cylinder 39 * only designed as a transport cylinder 39 *, that is, (the area of its outer circumference without magnetic elements see eg Fig. 12b).
- the third cylinder 39 of the alignment device 07 is also known as
- Magnetic cylinder 39 running and has in the region of its outer periphery in the manner described above for the first magnetic cylinder 37 a plurality of magnetic field effecting elements 42, hereinafter also referred to magnetic elements 42, for orientation of at least a portion of the magnetic or magnetizable particles of the passing on the substrate 02 applied coating agent 06 on.
- the magnetic elements 42 may be arranged on the circumference of the second magnetic cylinder 39 in the same pattern as those of the first magnetic cylinder 37. there can they in their on the position in the settlement on a conveyed on the transport path through the aligning device 07 substrate 02 related position coincide with the positions of the first magnetic elements 41 or z. B. all be offset in the same way to the positions of the first magnetic elements 41 in the circumferential and / or axial direction.
- An offset in the respective position can, for example, be dimensioned such that the surfaces of the first and second magnetic elements 41; 42 when processing on the substrate 02 still overlap, continue straight on one side or slightly, ie at most by half their extent in the relevant direction, are spaced from each other. In the case of an offset they can then offset from one another act on the relevant pressure element 08.
- the first and second magnetic elements 41; 42 may also be differently configured and / or oriented, so that they effect a substrate line 02 to be treated in the respective plane in the direction and / or pattern of different field line course.
- a magnetic cylinder 37; 38 * ; 39 executed cylinder 37; 38 * ; 39 may be executed in the case of web-like substrate 02 without any holding means acting on the substrate 02. Possibly. suction air openings may be provided on the circumference, which are connected to a vacuum pump and ensure a secure contact of the substrate 02 on the lateral surface.
- arcuate substrate 02 are on the circumference of the cylinder 37; 38 * ; 39 preferably holding means 43, z. B. gripper 43 a so-called.
- Gripper bar provided by which a via the cylinder 37; 38 * ; 39 to be conveyed substrate sheet 02 taken with its leading end and during rotation of the cylinder 37; 38 * ; 39 can be held over an angular range away.
- suction air openings in line connection with a vacuum pump may be provided on the circumference.
- the magnetic elements 41; 42 may be in or on several, z. B. between four and seven, in particular between four and six, axially spaced and preferably positionable in the axial direction ring members 44 may be arranged or arranged, in turn, in or on these ring elements 44 in each case
- magnetic field effecting elements 41; 42 or magnetic elements 41; 42 here are to be understood to mean all magnetically active elements which permanently or switchably effect a magnetic field (in particular for aligning particles contained in the coating agent 06 on the substrate 02 guided over it as described herein) at least to the side of the transport path.
- the magnetic elements 41; 42 may be formed by permanent magnets with or without engraving, by electromagnets or by combinations of several permanent magnets and / or electromagnets. You can operationally stationary or moved or movable on the ready cylinder 37; 38 * ; 39 be arranged.
- a as - in particular pure - transport cylinder 37 * ; 38; 39 * executed cylinder 37 * ; 38; 39 * has in the case of web-like substrate 02 z.
- Substrate 02 is or at least teilumschlugen.
- Substrate 02 is or at least teilumschlugen.
- arcuate substrate 02 are on the circumference of the transport cylinder 37 * ; 38; 39 * preferably holding means 46, z.
- Transport cylinder 37 * ; 38; 39 * designated cylinder 37 * ; 38; 39 * does not have to have a predominantly closed cylinder outer surface but can in extreme cases only At least one on a cylindrical envelope surface spaced around the cylinder axis encircling gripper bar comprise.
- Substrate sheet 02 to avoid, however, further axially extending webs and / or axially spaced support disks or rings 47 may be provided (see, for example, Fig. 11).
- the magnetic cylinder 37; 38 * ; 39 is in the transport path lying cylindrical envelope surface in their effective Winkelseqment predominantly, that is more than 50% inwardly open, while this on the magnetic cylinder 37; 38 * ; 39, ie more than 50% closed.
- the angle segment below the substrate 02 or substrate section during its transport is to come to the respective cylinder 37; 38; 39; 37 * ; 38 * ; 39 * .
- the two or preferably three cylinders 37; 38; 39; 37 * ; 38 * ; 39 * are each frontally rotatable in frame walls 48; 49, z. B. side panels 48; 49 one of the components of
- Transport direction T views second cylinder 38 to be arranged; 38 * designed such that the respective cylinder position optionally with a magnetic cylinder 38 * ; 39 or with a transfer cylinder 38; 39 * can be equipped.
- the pins of the first to be arranged cylinder 37; 37 * receiving bearing means designed such that also considered in the transport direction T first cylinder position of the group of cylinders 37; 38; 39; 37 * ; 38 * ; 39 * optionally with a magnetic cylinder 37 or with a transfer cylinder 37 * can be equipped (see, for example, Fig. 12).
- pin and bearing structure for the two different types of cylinders 37; 38; 39; 37 * ; 38 * ; 39 * executed identically in the at least two, preferably three cylinder positions of the cylinder group encompassed by the alignment device 07.
- the three cylinders 37; 38; 39; 37 * ; 38 * ; 39 * or their bearings are preferably provided in the frame, so that the three cylinder axes are substantially in a common plane, for example, a horizontal plane. In this case, no or at most a maximum distance of the axis of the middle cylinder 38; 38 * from the joint plane through the axes of the two outer cylinders 37; 39; 37 * ; 39 * at most 30 mm, preferably at most 10 mm.
- the optically variable coating agent 06 side having at least one first drying and / or curing device 51 is arranged or can be arranged.
- This is considered in the transport direction T to a lying in the transport path lateral surface segment of the z. B. as a magnetic cylinder 37 executed first cylinder 37 directed or to a point in the transport path at which the substrate to be funded 02 in operation - especially with its second side - on the, z. B. as Magnet cylinder 37 executed first cylinder 37; 37 * is guided.
- the point in the transport direction T, on which the first drying and / or curing device 51 is directed is preferably located at least 90 ° behind the point at which the substrate 02 to be conveyed on its transport path onto the first cylinder 37; 37 * accumulates and before the point at which on its transport path via the first cylinder 37; 37 * substrate to be promoted 02 the first cylinder 37; 37 * leaves.
- the drying and / or curing device 51 is as
- Radiation dryer designed and operates on the basis of electromagnetic radiation, eg. B. with IR or preferably UV radiation. For this purpose, it has one or more
- Radiation sources z. B. IR or preferably UV light sources.
- the o. first drying and / or curing device 51 it is - in at least one mode - designed to act on the substrate to be treated 02 not continuously on the entire width, but in spaced sections. These are preferably adjustable in their position transversely to the transport direction of the substrate 02 and optionally definable in their respective effective width.
- the drying and / or curing device 51 can be arranged side by side transversely to the transport direction T, for example, one after the other. B.
- the dryer heads 53 are preferably designed as radiation dryer heads 53 and can each one or more radiation sources, for. B. IR or preferably UV radiation sources include.
- the Dryer heads 53 each have a plurality (eg, more than 10) of than LEDs, for. As IR LEDs or preferably UV LEDs, trained radiation sources, the 53 at the top of each dryer head, for example in the manner of a preferred or preferred
- the dryer heads 53 are arranged, for example, on a traverse and preferably transversely movable on this and thus adjustable in their position.
- the Traverse and dryer heads 53 comprehensive drying and / or
- Curing device 51 is in an advantageous development as a unit, z. B. module, executed and as such in or on the side parts 48; 49 of the frame used and removable from these.
- the side parts 48; 49 of the frame have z. B. for this purpose prepared connection elements or points.
- the first drying and / or curing device 51 may be omitted or in
- each drying and / or curing element 53 at least one masking element not shown here and a fastening mechanism is provided through which the masking in the radiation path between dryer - And / or curing element 53 and transport path to be positioned so that a defined limitation of the irradiated area in the plane of the transport path relative to the irradiated area in operation without masking is effected.
- Different sized masking elements may be provided for the purpose of varying degrees of shadowing and / or the masking element may be movable relative to the dryer and / or curing element 53 with at least one component transverse to the beam direction.
- the drying and / or curing device 51 may have a transverse width to the transport direction T over at least the width of the maximum substrate width to be treated in the device 07, in particular a bar-like-extending dryer and / or curing element 54, z. B. in the manner of a light bar 54, in particular LED light bar, which or which transverse to the transport direction T a plurality, in particular a plurality of z. B. more than 100 immediately adjacent to each other, ie at least less than 5 mm, in particular at least less than 2 mm in the transverse direction spaced from each other, arranged radiation sources, eg. B. IR or preferably UV radiation sources includes.
- LEDs z. B.
- IR-LEDs or preferably UV LEDs are formed and arranged, for example, in a single or preferably two-dimensional array.
- the light sources can be arranged in or on a single or multi-part frame part, for which z. B. - contrary to
- Dryer and / or curing elements 53 from the first embodiment - no Axialbewegige is provided for adjusting the intended beam position.
- the o. G. Sections, on which the action on the substrate 02 is to take place, are or are formed by groups of active or to be activated radiation sources, between which are groups of inactive or not to be activated light sources.
- the sections can be varied in their position and preferably width by definition of the active or to be activated radiation sources.
- Radiation sources are already firmly defined and can only be selected as belonging to the active or inactive groups.
- the sections can be defined by forming groups of radiation sources to be activated or subgroups of radiation groups in position and width.
- Embodiment already a good resolution between the surface to be irradiated and not to be irradiated surface can be provided in addition to be positioned comparable to the first embodiment in the radiation path between dryer and / or curing element 54 and transport path such that the irradiated area in the Level of the transport path relative to the irradiated area in operation without masking can be even more limited by, for example remaining diffuse beam portions are retained.
- mask elements of different sizes and / or a relatively movable arrangement may be provided.
- the drying and / or curing device 51 in the second embodiment is embodied in an advantageous development as a structural unit or module and as such in total or in the frame walls or side panels 48; 49 of the frame used and removable from these, wherein the side parts 48; 49 of the frame z. B. have accordingly prepared connection elements or points.
- a structural unit or module and as such in total or in the frame walls or side panels 48; 49 of the frame used and removable from these, wherein the side parts 48; 49 of the frame z. B. have accordingly prepared connection elements or points.
- a second drying and / or curing device 52 is provided on the transport path of the substrate 02 to be conveyed by the alignment device 07, in particular printing material 02.
- a second drying and / or curing device 52 is provided.
- it may in principle also be provided downstream thereof, it is preferably viewed in the transport direction T on a lying in the transport path lateral surface segment of the z.
- B. 39 as a magnetic cylinder 39 executed third cylinder or to a point in the transport path at which the substrate to be funded 02 in operation on this other magnetic cylinder 38 * ; 39 is guided.
- the point in the transport direction T considered, on which the second
- Drying and / or curing device 52 is preferably located again at least 90 ° behind the point at which the substrate 02 to be conveyed on its transport path onto this further magnetic cylinder 38 * ; 39 runs up and in front of the point at which on its transport path via this cylinder 38 * ; 39 to be conveyed substrate 02 the cylinder 38 * ; 39 leaves again. It may be an advantage if the circumferential length between emergence of the substrate 02 on the other
- the second drying and / or curing device 52 is designed as a radiation dryer and operates on the basis of electromagnetic radiation, for. B. with IR or preferably UV radiation.
- the second drying and / or curing device 52 has one or more radiation sources, eg. B. IR or preferably UV light sources.
- the second drying and / or curing device 52 can basically
- a radiation source eg. B. IR or preferably UV radiation sources comprises.
- the radiation sources can be preferred as LEDs, z. B. IR LEDs or preferably UV LEDs are formed and arranged, for example, in a single or preferably two-dimensional array.
- the dryer and / or curing element 56 embodied in this way can indeed, but does not have to, with regard to a section-wise action in accordance with the above-mentioned second embodiment variant for the first dryer section. and / or hardening element 54 switchable executed.
- the dryer and / or curing element 56 comprehensive second drying and / or curing device 52 is executed in an advantageous development as a unit or module and as such total in or on the side panels 48; 49 of the frame used and removable from these, wherein the side parts 48; 49 of the frame z. B. have accordingly prepared connection elements or connection points.
- the third cylinder 39 * * is configured as a transport cylinder 39, the second drying and / or
- Curing device 52 omitted or removed during conversion.
- the second cylinder 39 * 38 * is designed as a cylindrical magnet 38 * or configured, the second drying and / or curing device 52 can be used on suitably prepared termination locations on the second cylinder 38 *.
- Substrate sheet 02, formed, the alignment device 07 comprises in addition to the at least two, in particular three cylinders 37 mentioned above; 38; 39; 37 * ; 38 * ; 39 * on the input side a transfer point, at which a substrate sheet 02 to be treated from the upstream conveyor 19 to the first cylinder 37; 37 * the
- Aligning device 07 is passed or can be, and on the output side, a transfer point at which a treated substrate sheet 02 from the last cylinder 38;
- the cylinder group encompassed by the alignment device 07 is or can be transferred to a downstream conveyor 26.
- the respective transfer point can in principle for the case upstream or downstream transport cylinder by interaction of a last or first transport cylinder with the first and last cylinder 37; 38; 39; 37 * ; 38 * ; 39 * of the alignment device 07 may be formed.
- gripper circulation conveyor 19; 26 trained conveyors 19; 26 the input-side transfer, however, takes place between a gripper bar 22 of the upstream gripper circulating conveyor 19 and the first cylinder 37; 37 * and the output-side transfer between the last cylinder 38; 39; 38 * ; 39 * the
- Gripper circulation conveyor 26 The transfer or takeover by the gripper strips 22; 29 are preferably carried out in the area of the respective Kettengreiferrad 24; 31 caused turn, especially at the height of the intersection of the transport path with the axis of the Kettengreiferrades 24; 31 with the axis of the respective cylinder 37; 38, 39; 37 * ; 38 * ; 39 * connecting level.
- the three-cylinder embodiment of the alignment device 07 in the embodiment for handling sheet-shaped substrate 02 preferably comprises three cylinders 37; 38;
- the cylinders 37; 38; 39; 37 * ; 38; 39 * of the cylinder group can in principle by one or more, only these cylinders 37; 38; 39; 37 * ; 38; 39 * assigned
- Drive motors, z. B. jointly by one or individually by a plurality of position-controlled servomotors, be driven.
- trained alignment device 07 or machine 01 are or will the cylinder 37; 38; 39; 37 * ; 38 * ; 39 * the Cylinder group, however, from the upstream or downstream gripper circulation conveyor 19; 26, in particular via at least one of the two running on the machine sides Endloszugstoff 21; 28; 21 '; 28 ', in particular endless chains 21; 28, 21 '; 28 'of the respective gripper circulation conveyor 19; 26, in particular chain gripper system 19; 26 driven. It is z. B. via a circulation conveyor 19; 26 on an outer of the cylinder 37; 38; 39; 37 * ; 38 * ; 39 * , z. B.
- the first cylinder 37; 37 * and from there successively to the remaining cylinders 38; 39; 38 * ; 39 * driven.
- This gear 57 meshes directly or via an even number of intermediate wheels with a gear 59, which is connected to the axis of the cylinder 37 to be driven; 38; 39; 37 * ; 38 * ; 39 * , z. B. the first cylinder 37; 37 * , rotatably connected.
- This gear 59 or a likewise rotatably mounted on the axis further gear meshes with a gear 61 which is connected to the axis of the adjacent cylinder 37; 38; 39; 37 * ; 38 * ; 39 * , z. B. the second cylinder 38; 38 * the cylinder group is rotatably connected.
- the latter gear 61 or on the same axis rotatably disposed further gear with a gear 62 which rotatably with the axis of the remaining, cylinder 37; 38; 39; 37 * ; 38 * ; 39 * , z. B. the third cylinder 39, 39 * , is connected.
- downstream conveying system 26 are further driven so combs the latter gear 62 or a rotatably mounted on the same axis further gear directly or via an even number of intermediate wheels with a gear 63 which is rotatably connected to a shaft 64 which rotatably at least one of the
- Chain gripper wheels 31; 31 ' carries.
- the transfer of the substrate 02 is preferably carried out directly between pairs of adjacent cylinders 37; 38; 39; 37 * ; 38 * ; 39 * the Cylinder group.
- the transfer path can in the transport path to one or more of the cylinder 37; 38; 39; 37 * ; 38 * ; 39 * one
- a guide device 73, z As an air box with the transport path facing Blas Kunststoffö réelleen, be provided that support the substrate sheet 02 during the turn.
- the second cylinder 38 * can be embodied as a magnetic cylinder 38 * with a pattern of peripheral magnetic elements 41, 42 described above
- Conversion of the basic configuration can be configured or be.
- both cylinders 37 * ; 38 with transport cylinders 37 * ; 38 be configured.
- the alignment device 07 in the basic version, at only one of the cylinder positions for the cylinders 37; 38; 39; 37 * ; 38 * ; 39 * , z. B. the first cylinder 37, a magnetic cylinder 37 and at the other cylinder positions only as a transport cylinder 38; 39 * trained cylinder 38; 39 * be provided (see, for example, Fig. 12 b)),
- a machine 01 containing the alignment device 07 in the transport path is not operated with the alignable particles containing the aligning device 07 but with a different ink 06, then a configuration may be advantageous, for example
- Cylinder positions only as a transport cylinder 37 * , 38; 39 * formed cylinder 37 * , 38; 39 * is provided (see eg Fig. 12 a)).
- Hardening device is providable or provided. For example, you can
- connection elements or points may be prepared appropriate connection elements or points.
- Cylinder positions with as magnetic cylinder 37; 38 * ; 39 formed cylinder 37; 38 * ; 39 be equipped (see, for example, Fig. 12 e)). This makes it possible, for example, after the first alignment of particles of a coated printing element 08 and a partial drying or curing in only a portion of the pressure element 08 the in the non-hardened or undried subregion present particles on the second magnetic cylinder 38 * in their order at least partially dissolve and / or even prepare an orientation to be performed on the third magnetic cylinder 39.
- Magnet cylinder 38 * running, so it is advantageous if the magnetic elements encompassed by this on the circumference with their surfaces facing the transport path are arranged offset radially inwardly relative to the substrate 02 on a cylindrical envelope surface supporting surfaces, ie not flush with the support surface , As a result, lubrication is possibly still undried
- Coating agent 06 prevented by touching contact with the magnetic elements.
- cylinder 37; 38 * ; 39 formed cylinder 37; 38 * ; 39 may be a smoothing device, for. B. a plurality of axially spaced rollers or one or more rollers may be provided in the transport path of the substrate 02 between the point of casserole and the point of drying or hardening via the substrate 02 to the cylinder 37; 38 * ; 39 is employed or employable.
- this one, in particular non-contact transformer, z. B. coupler, for transmitting electrical energy and / or control signals from the outside into the rotating cylinder 37; 38 * ; 39 include.
- the alignment device 07 is each as magnetic cylinder 37; 38 * ; 39 formed cylinder 37; 38 * ; 39 own vacuum pump for
- Ring elements 44 have, or a cover, z. B. have a cover plate, in which areas for the magnetic elements 41; 42 are left out and which z. B. has holes as Saug Kunststoffö Maschinenmaschinetechnisch.
- the magnetic cylinder 41 advantageous in terms of format variability and / or variability in the position of the variable picture elements 03 on the substrate 03 or benefit 09; 42 (see eg Fig. 13) are at least two adjacent, but preferably all the magnetic elements 41; 42 containing or equippable with these axially movable annular elements 44 at least in a cylindrical envelope surface of the cylinder 39; 38 * ; 39 contributing cover member 71 in the axial direction of the cylinder 37; 38 * ; 39 each other in the axial direction facing sides such tooth-like or fan-like with projections 66, z. B. in the form of tabs 66 and lugs 66, and corresponding recesses 67, z. B.
- cutouts 67 and troughs 67 shaped and offset in the circumferential direction, so that at an axial to each other to move two adjacent ring members 44, the tooth-like widenings 66 of a ring member 44 in the corresponding recesses 67 of the other
- Can dip ring element 44 This makes it possible to achieve the most uniform possible support of the printing substrate 02 with possible spacing variation.
- the ring elements 44 can be made in one or more parts. You can total, ie in the range of their side walls 68; 69 as well as in the region of the outwardly facing cover elements 71 may be formed in this tooth-like manner or in an advantageous embodiment circular disk-shaped side walls 68; 69 and one the
- the cover element 71 may be the one-piece, the outwardly facing wall executed ring element 44 or on the ring member 44 specially arranged component, for. B. cover plate or strip.
- edges of the recesses 67 and projections 66 continue wave-shaped and thereby formed without sharp corners.
- the cover element 71 has recesses for the magnetic elements 41 in both cases; 42 on.
- a plurality of Saugluftö réelleen 72 is provided in the respective cover member 71 and in an underlying space between the side walls 68; 69 and the cover elements 71 by line connection to a vacuum pump, a suppression generated.
- Endless draw means endless chain
- Cooling device Cooling roller
- Support disc support ring Frame wall, side panel
- T rockner and / or curing element T rockner head, Radiation dryer head Dryer and / or curing element, light strip
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- General Health & Medical Sciences (AREA)
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- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102018205883.0A DE102018205883A1 (de) | 2018-04-18 | 2018-04-18 | Vorrichtung und Maschine zum Ausrichten von magnetischen oder magnetisierbaren Partikeln auf einem bahn- oder bogenförmigen Substrat |
DE102018205882.2A DE102018205882B4 (de) | 2018-04-18 | 2018-04-18 | Vorrichtung und Maschine zum Ausrichten von magnetischen oder magnetisierbaren Partikeln auf einem bahn- oder bogenförmigen Substrat |
PCT/EP2019/050889 WO2019201481A1 (de) | 2018-04-18 | 2019-01-15 | Vorrichtungen, maschine sowie verfahren zum auftragen und ausrichten von magnetischen oder magnetisierbaren partikeln auf einem bahn- oder bogenförmigen substrat |
Publications (2)
Publication Number | Publication Date |
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EP3781403A1 true EP3781403A1 (de) | 2021-02-24 |
EP3781403B1 EP3781403B1 (de) | 2021-11-24 |
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Application Number | Title | Priority Date | Filing Date |
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EP19700895.6A Active EP3781403B1 (de) | 2018-04-18 | 2019-01-15 | Vorrichtungen, maschine sowie verfahren zum auftragen und ausrichten von magnetischen oder magnetisierbaren partikeln auf einem bahn- oder bogenförmigen substrat |
Country Status (4)
Country | Link |
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US (1) | US11155075B2 (de) |
EP (1) | EP3781403B1 (de) |
JP (1) | JP6991349B2 (de) |
WO (1) | WO2019201481A1 (de) |
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ZA200600078B (en) | 2003-06-30 | 2007-04-25 | Kba Giori Sa | Printing machine |
EP1961559A1 (de) | 2007-02-20 | 2008-08-27 | Kba-Giori S.A. | Zylinderkörper zur Ausrichtung von Magnetspänen eines auf einem blatt- oder bahnförmigen Substrat aufgetragenen Tinten- oder Lackbindemittels |
TWI487626B (zh) * | 2008-12-10 | 2015-06-11 | Sicpa Holding Sa | 用於磁性取向及印刷的裝置及製程 |
CN103119521B (zh) * | 2010-09-24 | 2015-09-23 | 锡克拜控股有限公司 | 用于产生磁感应视觉效果的设备、系统和方法 |
ES2540864T3 (es) | 2010-09-24 | 2015-07-14 | Kba-Notasys Sa | Sistema y método para orientar escamas o laminillas magnéticas contenidas en un vehículo de tinta o barniz aplicado sobre un sustrato en forma de lámina o en forma de banda |
DK2468423T3 (da) * | 2010-12-27 | 2016-08-22 | Viavi Solutions Inc | System og metode til dannelse af et billede på et substrat |
AT516936B1 (de) | 2012-05-09 | 2016-12-15 | Security Printing Inst Of People's Bank Of China | Kombinationsdruckvorrichtung |
TW201605655A (zh) | 2014-07-29 | 2016-02-16 | 西克帕控股有限公司 | 用於由磁場產生裝置產生凹形磁力線所製成之光學效果層之場內硬化之方法 |
KR102047985B1 (ko) | 2014-08-26 | 2019-11-22 | 케이비에이-노타시스 에스에이 | 결합된 인쇄기 |
CN106794693B (zh) * | 2014-09-12 | 2019-12-03 | 卡巴-诺塔赛斯有限公司 | 组合式印刷机 |
EP3015266A1 (de) * | 2014-10-30 | 2016-05-04 | KBA-NotaSys SA | Druckmaschine mit einer Einheit zum magnetischen Ausrichten und einer bewegbaren Trockner- bzw. Aushärtungseinheit |
CN105034570B (zh) | 2015-09-10 | 2017-10-17 | 惠州市华阳光学技术有限公司 | 一种磁性印刷品的制造设备 |
EP3178569A1 (de) | 2016-06-29 | 2017-06-14 | Sicpa Holding Sa | Verfahren und vorrichtungen zur erzeugung optischer effektschichten mit einer photomaske |
-
2019
- 2019-01-15 US US17/040,753 patent/US11155075B2/en active Active
- 2019-01-15 JP JP2020544916A patent/JP6991349B2/ja active Active
- 2019-01-15 EP EP19700895.6A patent/EP3781403B1/de active Active
- 2019-01-15 WO PCT/EP2019/050889 patent/WO2019201481A1/de unknown
Also Published As
Publication number | Publication date |
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JP2021509643A (ja) | 2021-04-01 |
EP3781403B1 (de) | 2021-11-24 |
WO2019201481A1 (de) | 2019-10-24 |
JP6991349B2 (ja) | 2022-01-12 |
US11155075B2 (en) | 2021-10-26 |
US20210016560A1 (en) | 2021-01-21 |
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