Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
  • B41F17/001—Pad printing apparatus or machines
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F16/00—Transfer printing apparatus
  • B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
  • B41F16/0073—Transfer printing apparatus for printing from an inked or preprinted foil or band with means for printing on specific materials or products
  • B41F16/008—Transfer printing apparatus for printing from an inked or preprinted foil or band with means for printing on specific materials or products for printing on three-dimensional articles
• • 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
  • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
  • B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
  • B41F19/064—Presses of the reciprocating type
  • B41F19/068—Presses of the reciprocating type motor-driven
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F16/00—Transfer printing apparatus
  • B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
  • B41F16/002—Presses of the rotary type
  • B41F16/0026—Presses of the rotary type with means for applying print under heat and pressure, e.g. using heat activable adhesive
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F16/00—Transfer printing apparatus
  • B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
  • B41F16/004—Presses of the reciprocating type
  • B41F16/0046—Presses of the reciprocating type with means for applying print under heat and pressure, e.g. using heat activable adhesive
• • 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
  • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
• • 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
  • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
  • B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
  • B41F19/062—Presses of the rotary type
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B44—DECORATIVE ARTS
  • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
  • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
  • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
• • 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
  • B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
  • B41J3/546—Combination of different types, e.g. using a thermal transfer head and an inkjet print head
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
  • B41P2219/00—Printing presses using a heated printing foil
  • B41P2219/40—Material or products to be decorated or printed
  • B41P2219/43—Three-dimensional articles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
  • B41P2219/00—Printing presses using a heated printing foil
  • B41P2219/50—Printing presses using a heated printing foil combined with existing presses
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
  • B41P2219/00—Printing presses using a heated printing foil
  • B41P2219/60—Using more than one printing foil

Definitions

• the invention relates to a coating device for coating a base body and to a method.
• emboss or coat a body for decoration with a transfer layer of a hot stamping foil It is known to emboss or coat a body for decoration with a transfer layer of a hot stamping foil.
• an embossing device has a holding device as the embossing receptacle, into which the workpiece to be embossed or coated is clamped.
• An embossing tool is also provided which presses a hot embossing foil against the surfaces of the workpiece to be decorated, the embossing pressure being built up here between the embossing receptacle and the embossing tool.
• the invention is based on the object of specifying a coating device for coating a base body and a method which improves the manufacture of such a base body and lowers production costs.
• the invention is achieved by a coating device for coating a base body, in which the coating device has at least one holding device for fixing a base body, at least one embossing station and at least one printing station for applying one or more printed layers to at least a portion of a first surface of the base body and / or on at least a partial area of one or more film elements embossed on the base body and / or on at least one Subarea has one or more further printed layers applied to the base body, and that the embossing station has one or more embossing units for embossing one or more film elements on at least a subarea of a first surface of the base body and / or on at least one subarea one or more embossed on the base body further film elements and / or one or more printed layers applied to the base body on at least one partial area.
• a method for coating a base body in particular with a coating device described above, the following steps being carried out in the method, in particular in the following sequence: a) fixing the base body in a folding device, b) embossing, in particular In an embossing station of the coating device, one or more film elements on at least a partial area of a first surface of the base body and / or on at least one partial area one or more further film elements embossed on the base body and / or on at least one partial area one or more printed layers applied to the base body , wherein the base body remains in the folding device, c) applying, in particular in a printing station of the coating device, one or more printing layers on at least a portion of a first surface of the base body and / or on at least one One or more film elements embossed onto the base body and / or one or more further printed layers applied to the base body on at least one sub-area, the base body remaining in the folding device, d) removal of the coated base body
• the invention now makes it possible to improve the possibilities for coating a base body and, in particular, to increase the variety of functions and / or the variety of designs.
• a variety of coatings can be carried out, which so far have only been carried out in completely, in particular temporally and spatially separate operations were.
• the base body is preferably a rigid body which in particular has at least one area-wise curved, flat and / or uneven surface.
• the base body and / or a surface of the base body, in particular the surface of the base body to be coated to be largely flat, in particular two-dimensionally flat, or 2.5-D deformed or three-dimensionally deformed.
• the base body preferably comprises a component, in particular a vehicle part, a housing part, a cockpit component and / or a body part, an injection molded part, a 3D printed part and / or a component produced by means of machining and / or non-cutting manufacturing processes.
• the method comprises the following step, in particular wherein the step is carried out before step a):
• the base body advantageously comprises a plastic material which comprises a thermoplastic, in particular an impact-resistant thermoplastic.
• the plastic material consists in particular of polyethylene (PE), polycarbonate (PC), polypropylene (PP), polystyrene (PS), polybutadiene, polynitrile, polyester, polyurethanes, polymethacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), preferably acrylonitrile-butadiene-styrene (ABS), acrylic ester-styrene-acrylonitrile (ASA), ABS-PC, PET-PC, PBT-PC, PC-PBT and / or ASA-PC and / or copolymers or mixtures thereof.
• the plastic material also has inorganic or organic fillers, preferably S1O2, Al2O3, T1O2, clay minerals, silicates, zeolites, glass fibers, carbon fibers, glass spheres, organic fibers or mixtures thereof.
• the fillers are especially mixed with the plastic material in order to further increase the stability of the base body. Furthermore, these fillers can reduce the proportion of polymeric materials and thus reduce the manufacturing costs and / or the weight of the component. It is also possible that the plastic material also has inorganic or organic auxiliaries, which in particular improve the processability of the plastic material.
• the material of the base body comprises steel, copper, brass and / or other metallic materials and / or alloys. It is also possible that the material of the base body comprises glass and / or wood.
• the base body depending on the geometry and material of the base body, different holding devices are used, which are in particular individually adapted to the respective base body, preferably adapted in such a way that the holding devices fix the respective base body in a form-fitting and / or force-fitting manner. It is provided that the clamping force of the holding device is selected in such a way that distortion and / or deformation of the base body due to the clamping force is excluded.
• the base body preferably remains in the holding device in a form-fitting and / or force-fitting manner in all process steps.
• Register or register or register accuracy or register accuracy or register accuracy or position accuracy is to be understood in particular as a positional accuracy of two or more elements and / or layers relative to one another.
• the register accuracy should preferably be within a predetermined tolerance and should preferably be as high as possible.
• the register accuracy of several elements and / or layers with respect to one another is particularly an important feature in order to increase process reliability.
• the positionally accurate positioning takes place in particular by means of sensory, preferably optically detectable, registration marks or the position markings. In particular, these registration marks or position markings represent either special separate elements or areas or layers or are themselves part of the elements or areas or layers to be positioned.
• the one or more film elements of the one or more film elements are embossed in exact register with the one or more further film elements, in particular with one or more register marks of the optical features of the one or more further film elements and / or the Holding device are detected and used to control the embossing.
• the holding device can be opened and / or closed mechanically and / or hydraulically and / or pneumatically and / or electrically and / or by hand. It is furthermore also possible that the method comprises the following step, in particular wherein the step is carried out before step a):
• Feeding and / or arranging the base body in the holding device Feeding and / or arranging the base body in the holding device.
• the main body is preferably fed and / or arranged by human hands, by a conveying device which opens into the holding device, and / or in a completely automated manner, for example by a robot.
• the coating device has at least one movably mounted tool carrier, in particular a vertically or horizontally arranged turntable or sliding table, in particular with a linear drive.
• at least one holding device is arranged on this.
• the at least one holding device, in particular together with the fixed base body, is preferred by means of the tool carrier at least between the at least one embossing station and / or the at least one printing station and / or the at least one pretreatment station and / or the at least one testing station and / or the at least one Movable cleaning station.
• the coating device has a number n stations, in particular the at least one embossing station, the at least one pretreatment station, the at least one cleaning station and / or the at least one printing station, and that at least n holding devices are arranged on the at least one tool carrier .
• the coating device has at least one adjusting device for moving the holding device and / or the at least one holding device arranged on the at least one common tool carrier between the stations of the coating device. It is preferably possible here for one or more holding devices to be mounted on the at least one tool carrier and for these to be moved together with the at least one tool carrier by means of the adjusting device.
• the at least one adjusting device comprises at least one servo drive and / or at least one hydraulic drive and / or at least one pneumatic drive and / or at least one electric drive.
• the actuating device further preferably comprises one or more linear drives, in particular one or more high-precision linear drives, which in particular allow the at least one tool carrier to move in one spatial direction, preferably in two spatial directions, more preferably in three spatial directions.
• one or more linear drives in particular one or more high-precision linear drives, which in particular allow the at least one tool carrier to move in one spatial direction, preferably in two spatial directions, more preferably in three spatial directions.
• the linear drive has a rotary drive which converts a rotary movement into a linear, translational movement via a gear, in particular a spindle. It is also possible for the linear drive to include a direct linear drive or linear motor, in which a linear, translational drive is possible directly, in particular via magnetic fields.
• a linear drive with a gear or spindle has a positioning accuracy of +/- 50 pm or less, preferably of +/- 30 pm or less.
• a direct linear drive or linear motor has a positioning accuracy of +/- 10 pm or less, preferably of +/- 5 pm or less, which is to be understood here as a high-precision linear drive.
• the high positioning accuracy of a high-precision linear drive can be achieved by an incremental or absolute direct measuring system on the linear drive, whereby the direct measuring system is coupled directly to the drive components of the linear drive and works on the basis of measuring scales (with or without prior calibration).
• the coating device has at least one process control device which controls the actuating device in particular in such a way that the one or more holding devices are cyclically fed to two or more stations of the coating device in a predefined sequence, in particular in a sequence: embossing station - printing station, printing station - embossing station, pretreatment station - embossing station - printing station, embossing station - pretreatment station - printing station, pretreatment station - embossing station - pretreatment station - printing station.
• UV electromagnetic radiation in the ultraviolet spectral range
• IR electromagnetic radiation in the infrared spectral range
• the one or more holding devices prefferably be fed to a station several times.
• steps b) and c) are carried out one or more times and / or are carried out in any order. It is further preferred that the cycle times of steps b) and c) are each between 1 s and 300 s, preferably between 5 s and 120 s, in particular between 20 s and 30 s.
• the at least one tool carrier on which the at least one holding device is arranged is in an embossing position before step b) Carrying out step b) and / or before step c) is moved into a printing position for carrying out step c).
• the embossing station prefferably has at least one turret head, which is preferably mounted rotatably about at least one axis and is translationally movable along at least one axis, in particular wherein the turret head comprises one or more die receptacles that receive one or more dies.
• the one or more dies are interchangeably mounted on the one or more die holders of the at least one turret head, preferably each die holder having a quick-change system for replacing the die without tools, preferably the quick-change system having a dovetail bracket and / or a clamping lever to exchange the die.
• the quick-change system comprises a punch holding plate which has thermal insulation and / or a quick-release fastener, in particular at least one tensioning lever and / or at least one dovetail holder, and / or a direct heater integrated in the punch holding plate.
• the thermal insulation preferably ensures that the heat generated during the embossing process is not transferred to other components of the coating device.
• the one or more embossing stamp receptacles and the one or more embossing stamps are coded, are preferably coded by means of RFID chips.
• the advantage preferably arises that this enables the coating device to recognize the embossing die used and, for example, process parameters specially adapted for this are provided from a database of the computing unit of the coating device.
• the one or more embossing punches not mounted on the turret head are temporarily stored in a holder of the coating device for preheating.
• the heating range is preferably between 0.degree. C. and 300.degree. C., in particular between 80.degree. C. and 250.degree.
• the one or more dies each have at least one direct heater for rapid heating of the die.
• the one or more embossing dies in particular have heating wires and the advantage of saving energy is preferably obtained. It is preferably provided that the heating range of the one or more embossing dies is between 0 ° C and 300 ° C, in particular between 80 ° C and 250 ° C.
• the one or more stamps comprise a material or a combination of materials selected from: steel, silicone, plastic, aluminum, copper, brass and / or magnesium.
• the embossing station prefferably has at least one foil feed unit, the foil feed unit comprising two or more foil shafts which wind up and unwind two or more foil webs, the two or more film webs are preferably arranged parallel to one another and are preferably pushed in or out between the die and the base body.
• the foil feed unit comprising two or more foil shafts which wind up and unwind two or more foil webs
• the two or more film webs are preferably arranged parallel to one another and are preferably pushed in or out between the die and the base body.
• two or more film webs of different structures, colors, surface properties, etc. can be used, so that a great variety of designs and functions of the coated base bodies result.
• the set-up times are reduced since the frequency of changing the film webs between the individual embossing steps can be reduced.
• the at least one film feed unit has at least one splicing aid and / or that the two or more film shafts can be removed, in particular to change the film.
• a splicing aid is understood to mean, in particular, a device for joining together film webs, in particular by means of adhesive tapes.
• the splicing aid comprises a vacuum unit which, in particular, generates a vacuum in the area of the adhesive point, so that the two or more film webs can be glued together without air inclusions.
• the particularly removable film corrugations enable film webs to be changed quickly and easily.
• the film feed unit has, in particular, at least one double and / or multiple winding and unwinding, with which two and / or more film webs are wound or unwound. It is preferably provided that the film feed unit further has at least one height-adjustable deflection roller, at least one brake drive and / or at least one electrical swivel roller for film relaxation. It is also possible for the film feed unit to include at least one servo drive which drives one or more film shafts. It is also possible that the film feed unit comprises at least one adjustable pressure roller.
• the coating device has at least one film control unit that checks the two or more film webs for film tears, film end and / or film supply, preferably by means of at least one sensor and / or by means of two or more servomotors which are connected to the two or more film shafts are arranged.
• the senor is an optical sensor, for example a camera.
• a check is preferably carried out using image processing methods and, for example, if a malfunction is detected, it can send a signal to the machine setter so that the latter can rectify it.
• the at least one printing station comprises a digital printing station and / or inkjet printing station and / or pad printing station and / or inkjet printing station. It is further preferred that the at least one printing station comprises at least one printing unit, which in particular has at least one print head.
• the at least one printing unit has at least one linear drive, in particular at least one high-precision linear drive, which allows the at least one printing unit to move in one spatial direction, preferably in two spatial directions, more preferably in three spatial directions.
• the at least one print head of the at least one print unit has at least one linear drive, in particular at least one high-precision linear drive, which allows the at least one print head to move in one spatial direction, preferably in two spatial directions, more preferably in three spatial directions.
• the one or more printing layers it is particularly possible for the one or more printing layers to be applied by means of digital printing and / or inkjet printing and / or inkjet printing and / or pad printing.
• the at least one print head applies the one or more print layers.
• the one or more printing layers have one or more materials, in particular selected from: printing ink, in particular printing ink with colors from the CMYK and / or RGB color model and / or special colors and / or transparent printing ink, in particular clear varnish and / or protective lacquer (ClearCoat), and / or adhesive, in particular cold adhesive and / or UV adhesive, and / or lacquers.
• the result of the method is in particular that the application of the one or more printing layers in step c) is carried out by means of one or more print heads, which printing ink, in particular printing ink with colors from the CMYK and / or RGB color model and / or special colors and / or have transparent printing ink, in particular clear lacquer and / or protective lacquer (ClearCoat), and / or adhesive, in particular cold adhesive and / or UV adhesive, and / or lacquers, which are preferably applied as a printing layer on the at least part of the first surface of the base body and / or the at least one sub-area of the one or more film elements embossed on the base body and / or on the at least one sub-area of the one or more further printed layers applied to the base body are applied. It is also provided that the one or more printing layers applied to the base body are partially cured and / or fully cured.
• the coating device has at least one UV irradiation unit for UV pre-curing, in particular pinning, of one or more printing layers of the one or more printing layers and / or at least one UV irradiation unit for completely curing one or more printing layers of the one or a plurality of printed layers, the UV irradiation unit comprising a light source which emits UV radiation and which emits light preferably in the wavelength range from 385 nm to 405 nm.
• the one or more printing layers to be hardened comprise one or more materials selected from: UV glue, cold glue, glue, varnish and / or ink.
• the UV pre-curing works with a comparatively low power of the UV irradiation unit, the power consumption of a corresponding UV LED being between 1 watt and 5 watt, for example.
• the UV irradiation unit for complete curing works with a comparatively high output of the UV irradiation unit, the power consumption of a corresponding UV LED being, for example, between 10 watts and 50 watts.
• the at least one UV irradiation unit comprises at least one linear drive, in particular at least one high-precision linear drive, which allows the at least one UV irradiation unit to move in one spatial direction, preferably in two spatial directions, more preferably in three spatial directions.
• the method preferably comprises the following step, the step being carried out in step c): UV radiation, in particular pinning, by means of a UV light, preferably a UV LED, for pre-curing one or more printing layers of the one or more printing layers, in particular UV glue, cold glue, glue, varnish and / or ink, in particular where the Irradiation with light, in particular from the wavelength range from 385 nm to 405 nm, is carried out.
• a UV light preferably a UV LED
• the method particularly preferably further comprises the following step, the step in step c) being carried out:
• UV irradiation by means of a UV light preferably a UV LED
• a UV light preferably a UV LED
• UV adhesive preferably UV adhesive, cold adhesive
• Adhesive, lacquer and / or ink in particular where the irradiation is carried out with light, in particular from the wavelength range from 385 nm to 405 nm.
• At least one pretreatment station is also provided.
• the coating device has at least one pretreatment station for pretreating a partial area of the surface of the base body, the one or more film elements embossed on the base body and / or the one or more printed layers applied to the base body, in particular selected by one or more processing methods from: Fumigation, flame treatment, plasma treatment, fluorination, irradiation, cleaning, surface activation, coating, ionization.
• the method comprises the following step, in particular wherein the step is carried out one or more times before step b) and / or before step c): Pretreatment of the at least one sub-area of the first surface of the base body and / or the at least one sub-area of the one or more film elements embossed on the base body and / or the at least one sub-area of the one or more printed layers applied to the base body, in particular selected by one or more processing methods from: fumigation, flame treatment, plasma treatment, fluorination, irradiation, cleaning, surface activation, ionization, coating.
• the pretreated surface is particularly “accessible” for the processing processes carried out and degeneration - due to the temporal proximity - is largely avoided. This significantly increases the effectiveness of the pretreatment and, for example, improves the flake properties between the base body and the one or more film elements and / or the one or more printed layers.
• the ionization enables the electrostatic charge to be reduced, as a result of which the embossing of the one or more foil elements is made more efficient.
• the ions are transported by electrically operated fan elements, due to the comparatively large effective range of approx. 500 mm, a special height adjustment is unnecessary. Since the ionization function is invisible to the operator, an integrated monitoring function signals any malfunction of the unit in the control system.
• the coating device preferably has at least one test station for the optical inspection of at least a partial area of the surface of the base body, the one or more film elements embossed on the base body and / or the one or more on the base body applied print layers by means of an optical sensor, in particular a camera.
• step b) and / or step c) a visual inspection of the at least one sub-area of the surface of the base body and / or the at least one sub-area of the one or more film elements embossed on the base body and / or the at least a partial area of the one or more printed layers applied to the base body is carried out by means of an optical sensor, in particular a camera.
• Such an optical test is preferably carried out using image processing methods and can be used, for example, to optimize process parameters, for example by integrating them into a corresponding control loop, in order to further reduce the reject rates.
• This optical inspection can also be used for quality assurance.
• This optical check can take place several times at different times in the process, for example after the embossing process and / or after the pretreatment and / or after the printing process and / or after cleaning processes and / or after the coated base body has been removed from the holding device and / or after others Machining processes.
• the coating device has at least one cleaning station, in particular for cleaning at least one surface of the base body and / or one or more film elements embossed on the base body and / or one or more printed layers applied to the base body by means of brushes and / or compressed air and / or suction and / or CO2 snow jet and / or adhesive tape, in particular by means of a lifting tape cleaner and / or roller tape cleaner.
• the method comprises the following step, in particular wherein the step is carried out before and / or after step b), and / or before and / or after step c):
• This process for example, cleans the exposed surface of waste products from the embossing process.
• the cleaning process is preferably carried out here while the base body is still in the holding device. This preferably ensures that the base body is securely fixed during the cleaning process, so that cleaning methods can also be used which require stable fixing of the product to be cleaned.
• the coating device prefferably has at least one flow box, preferably at least one fan, for reducing and / or avoiding dust, in particular with this / this blowing filtered ambient air or room air with excess pressure into the work space.
• the method it is preferably possible that before and / or during and / or after step b) and / or step c) the penetration of dust into the working space is reduced, in particular avoided, by means of excess air pressure. This has the advantage that no dust particles or other particles from outside get into the work space, so that, for example, no dust inclusions arise during embossing or printing.
• the working space is preferably sealed off from the environment and particularly preferably lockable from the environment.
• the work space comprises that space in which the at least one embossing station, the at least one printing station, the at least one pre-treatment station, the at least one cleaning station and / or the at least one test station are arranged.
• the method comprises the following step, in particular wherein the step after step d) is carried out in one or more further systems:
• the coated base body with sensors that are sensitive to touch and / or approach, individual programming can be visualized through the appropriate decoration on the surface in accordance with the corporate identity.
• sensors can be resistive or capacitive touch sensors.
• the embossing of the one or more film elements in step b) is preferably carried out by means of roll-off embossing and / or partial roll-off embossing and / or stroke embossing. Furthermore, it is also possible to use corresponding embossing processes for this purpose, which are specially optimized for three-dimensionally shaped surfaces and as these are described in DE 102012109315 A, for example.
• the embossing of the one or more film elements in step b) is carried out by means of one or more embossing dies, which apply a film or one or more cutouts of a film as a film element to the at least one partial area of the first surface of the base body and / or the at least a partial area of the one or more further film elements embossed on the base body and / or on the at least a portion of the one or more printing layers applied to the base body are applied.
• the one or more embossing rollers are preferably correspondingly adapted to the shape of the base body and / or enable a corresponding contour sequence with respect to the surface contour of the first surface of the base body or are adapted to this in their guidance and in their rolling behavior.
• suitable foils are, in particular, transfer foils, for example industrial stamping foils or cold stamping foils, but also laminating foils.
• Transfer foils which comprise a carrier layer and a transfer layer that can be detached from this are particularly suitable for use here.
• the carrier layer here preferably consists of a plastic film, for example a PET film with a thickness between 5 ⁇ m and 250 ⁇ m.
• the transfer layer has one or more layers, which are preferably selected from: one or more decorative layers, one or more functional layers, one or more protective layers, one or more adhesion promoting layers, one or more barrier layers, one or more conductive layers.
• release layers which improve the releasability, are arranged between the carrier layer and the transfer layer.
• Such layers preferably contain waxes and / or silicones and / or polymers.
• such a transfer film is designed as a hot stamping film, it preferably has a thermally activatable adhesive layer on the side of the transfer film facing away from the carrier layer, which is in particular formed by the thermal energy of the die and / or the embossing roller can be activated.
• the carrier film is then pulled off again with the portions of the transfer layer that were not acted upon by the embossing die and / or the embossing roller.
• a UV-curable adhesive layer is applied to the base body and / or on the side of the transfer film facing away from the carrier layer, in particular printed, for example by means of gravure printing and / or offset printing and / or flexographic printing and / or inkjet printing and / or pad printing and activated and hardened by means of UV radiation after the cold stamping foil and base body have been brought together.
• the carrier film is then peeled off again with the portions of the transfer layer that were not in contact with the adhesive layer.
• the transfer layer of the transfer film may further have recesses made, for example, by means of punching or cutting or laser action, or for the transfer layer to be provided in the form of patches on the carrier layer.
• Such transfer layers also preferably have one or more carrier films for stabilizing the transfer layer. This also results in the advantage that “sensitive” functional and decorative layers receive additional protection from the thermal and mechanical loads of the embossing process or the subsequent process steps.
• a laminating film is used as the film in step b) and, during the embossing, at least one section of the laminating film determined by the shape of the embossing die with activation of an adhesive layer of the laminating film or an adhesive layer provided between the surface of the base body and the laminating film as a film element is applied.
• Laminating foils preferably do not have a “detachable” carrier layer, ie the carrier layer and the further layers form a bond that is firmly adhered to one another.
• Laminating foils preferably have one or more of the following layers: one or more decorative layers, one or more functional layers, one or more protective layers, one or more carrier layers, one or more adhesion promoting layers, one or more carrier foils, one or more barrier layers, one or more conductive layers.
• the laminating foils preferably have recesses made by punching and / or cutting and / or laser action or are fed to the embossing process during the embossing in the form of labels, labels or similar individual elements, which can in particular be arranged on an auxiliary carrier.
• the one or more film elements applied by means of the one or more embossing dies or embossing rollers preferably have a shape which is determined by the design of the one or more embossing dies or embossing rollers, the shaping of the film or the transfer layer of the film and / or by further measures , as described below, can be predetermined to a large extent.
• these film elements are determined by the corresponding layer structure of the film used for the embossing or the transfer layer of the film used for the embossing.
• the one or more film elements thus preferably have one or more layers, selected from: one or more decorative layers, one or more functional layers, one or more protective layers, one or more adhesive layers, one or more adhesive layers, one or more carrier layers, a or several carrier foils.
• the one or more film elements and / or the one or more further film elements each have at least one Decorative layer and / or at least one functional layer, in particular a layer with an electrical functionality, in particular comprising one or more elements selected from touch sensors, antennas, electromagnetic shielding, electrically non-conductive, metallic layers to avoid electrostatic charging, display, LED, electrical circuit, Solar cell, at least one, in particular, post-curable protective layer and / or at least one adhesion promoting layer.
• a decorative layer or the decorative layers preferably consist of one or a combination of the following decorative layers:
• Transparent or translucent or opaque lacquer layer containing dyes and / or pigments, in particular organic / inorganic pigments, luminescent and / or fluorescent pigments and / or dyes, optically variable pigments, thermochromic pigments and / or dyes, metallic pigments, magnetically alignable pigments
• Layer with an optically active surface relief in particular a diffractive and / or refractive surface relief, a holographic surface relief, a surface relief containing refractive structures, diffractive structures, in particular lens structures, microlens arrangements, microprisms, micromirrors, matt structures, in particular isotropic and / or anisotropic matt structures and / or a combination of any such structures;
• reflective layers in particular metallic or dielectric reflective layers
• high-index or low-index layers in particular with refractive indices that differ by more than +/- 0.2 from a refractive index of 1.5;
• liquid crystal layers in particular cholesteric and / or nematic liquid crystal layers
• Thin-film layers which show an optically variable color change effect, in particular a three-layer structure, comprising an absorber layer, a dielectric spacer layer and an optional reflective layer or, alternatively, comprising a multiple sequence of alternating high-index and low-index transparent layers.
• Each individual decorative layer can be designed over part of the surface in the form of a pattern, in particular to achieve a desired graphic decoration.
• the decorative layers are preferably arranged in register relative to one another.
• the functional layer or layers preferably consist of one or a combination of the following functional layers: Layers with an electrical functionality, in particular comprising one or more elements selected from: touch sensor, antenna, electromagnetic shielding, electrically non-conductive, metallic layers to avoid electrostatic charge, display, LED, electrical circuit, solar cell, layer with a magnetic functionality, for example a magnetic barcode, layers with mechanical functionality, for example reinforcing elements or stiffening elements made of metal and / or plastic and / or woven and / or non-woven fiber layers and / or fibrous aggregates and / or fibrous additional layers, layers with optical functionality, for example anti-reflective layers or reflective layers, Layers with tactile functionality, for example soft-touch surface coatings.
• Layers with an electrical functionality in particular comprising one or more elements selected from: touch sensor, antenna, electromagnetic shielding, electrically non-conductive, metallic layers to avoid electrostatic charge, display, LED, electrical circuit, solar cell, layer with a magnetic functionality, for example a magnetic barcode, layers with mechanical functionality, for example reinforcing elements
• the foil used in step b) is a busy stamping foil comprising a carrier layer and a transfer layer detachable therefrom and / or in step b) at least one section of the transfer layer determined by the shape of the stamping die with activation of an adhesive layer of the transfer layer or a between the base body and the transfer layer provided adhesive layer is applied as a film element.
• a transfer film in particular a cold stamping film, comprising a carrier layer and a transfer layer detachable therefrom, is used as the film in step b), which film, in particular, an adhesive layer on the transfer layer and / or on a portion of the surface of the base body selected from cold adhesive and / or UV adhesive, in particular by means of an inkjet print head, is applied in a first area, but is not applied in a second area, in particular by means of the embossing die the transfer film is guided against the surface of the base body, activating the adhesive layer and the transfer film is peeled off again, so that a section of the transfer layer determined by the shape of the first area is applied as a film element.
• film in particular, an adhesive layer on the transfer layer and / or on a portion of the surface of the base body selected from cold adhesive and / or UV adhesive, in particular by means of an inkjet print head, is applied in a first area, but is not applied in a second area, in particular by means of the embos
• the adhesive layer is preferably cured by means of high-energy electromagnetic radiation, for example by means of UV radiation and / or IR radiation and / or electron beams.
• the hardening can take place in particular before and / or during and / or after the application of the transfer layer to the adhesive layer. If the curing takes place before the transfer layer is applied to the adhesive layer, the adhesive layer can thereby be pre-cured in order, for example, to increase (IR irradiation) or reduce (UV irradiation) the viscosity of the adhesive layer in a targeted manner. If the hardening takes place during the application of the transfer layer to the adhesive layer, the hardening can take place with the carrier layer still connected to the transfer layer. The hardening takes place after When the transfer layer is applied to the adhesive layer, curing can take place from the top of the base body with the carrier layer already peeled off from the transfer layer and the transfer layer exposed.
• the one or more printing layers and / or the one or more further printing layers can be cured separately.
• the thickness of the base body is preferably chosen so that the one or more film elements on the one hand and the one or more further film elements on the other hand are spaced apart from one another in such a way that an optical depth effect is generated by the interaction of the one or more film elements and one or more further film elements.
• the decoration on both sides by the one or more film elements and the one or more further film elements can provide a different visual appearance of the base body from different sides.
• a combination of decorative films and functional foils By using one or more film elements and one or more further film elements, a combination of decorative films and functional foils.
• a decoration can take place on one side of the base body and an application of a functional element, for example a touch sensor or an antenna or a display, can take place on the other side of the base body.
• the coating device has a turning device for the base body.
• the adjusting device has a further tool carrier for the turned base body, since it is in particular possible that the rear side of the base body is shaped differently than the front side of the base body.
• the turning device it is preferably possible for the turning device to have, for example, a robot arm which removes the base body from one tool carrier, rotates the base body accordingly and places or arranges it in the rotated position in the further tool carrier.
• step c When printing in step c), it is possible that an at least further sub-area within the at least one sub-area of the first surface of the base body and / or the at least one sub-area of the one or more film elements embossed on the base body and / or the at least one sub-area of the or several further printed layers applied to the base body.
• the printing takes place in particular on the free surfaces of the base body and / or the one or more film elements embossed on the base body and / or on the one or more further printing layers applied to the base body.
• the at least one further sub-area lies only in the exposed first sub-area of the surface of the base body.
• the printing takes place in particular next to or adjacent to the one or more film elements embossed on the base body and / or the one or more further printed layers applied to the base body.
• the at least one further sub-area lies both within the at least one sub-area in which the one or more film elements embossed on the base body and / or the one or more further printed layers applied to the base body are applied, as well as in the exposed first partial area of the surface of the base body.
• the printing overlaps both the one or more film elements embossed on the base body and / or the one or more further printed layers applied to the base body and the exposed first partial area of the surface of the base body, at least in some areas.
• the one or more print layers are applied in precise register with the one or more film elements embossed on the base body and / or the one or more additional print layers applied to the base body, including in particular one or more register marks or optical features of the one or more film elements embossed on the base body and / or the one or more further printing layers applied to the base body and / or the folding device can be detected, for example with a camera, and used to control the application of the one or more printing layers.
• the application of the one or more printed layers in the at least one further sub-area preferably represents at least one decoration or a visually recognizable design element which, for example, includes a graphically designed outline, a figurative representation, an image, a motif, a symbol, a logo Portrait, a pattern, a grid, an alphanumeric character, a text and the like can be.
• a visually recognizable design element which, for example, includes a graphically designed outline, a figurative representation, an image, a motif, a symbol, a logo Portrait, a pattern, a grid, an alphanumeric character, a text and the like can be.
• FIGS. 1a-1f clarify with the aid of several schematic
• FIG. 2a, 2b each illustrate a schematic representation of a coating device for setting a coated base body.
• Fig. 3 shows a schematic representation of a
• Coating device for coating a base body Coating device for coating a base body.
• Fig. 6 illustrates an exemplary representation of a
• Fig. 8 shows an exemplary representation of a UV
• 9a shows an exemplary representation of a base body 9b shows an exemplary illustration of a holding device
• FIGS. 1a to 1f A method for producing a coated base body is described below with reference to FIGS. 1a to 1f:
• FIG. 1a shows a holding device 20 in which a base body 10 is fixed, preferably fixed in a form-fitting and / or force-fitting manner. It is provided in particular that the holding device 20 can be opened and / or closed mechanically and / or hydraulically and / or pneumatically and / or electrically and / or by hand.
• the base body 10 is preferably inserted by human hands, by a conveying device which opens into the holding device 20, or in a completely automated manner, for example by a robot.
• the base body 10 is preferably a rigid body, which in particular has at least one area-wise curved, flat and / or uneven surface.
• the base body 10 and / or a surface of the base body 10, in particular the surface of the base body 10 to be coated is largely flat, in particular two-dimensionally flat, or 2.5-D-deformed or three-dimensionally deformed.
• the base body 10 further preferably comprises a component, in particular a vehicle part, a housing part, a cockpit component and / or a body part, an injection molded part, a 3D printed part and / or a component produced by means of machining and / or non-cutting manufacturing processes.
• a component in particular a vehicle part, a housing part, a cockpit component and / or a body part, an injection molded part, a 3D printed part and / or a component produced by means of machining and / or non-cutting manufacturing processes.
• one or more film elements 11 are then placed on at least a partial area of a first, in particular in an embossing station 30 of the coating device 50 Surface of the base body 10 is applied.
• one or more film elements 11 are applied to at least one sub-area of one or more further film elements 11 embossed on the base body 10 and / or one or more printing layers 12 applied to the base body 10 on at least one sub-area.
• the base body 10 remains in the folding device 20 during the embossing.
• the base body 10 fixed in the folding device 20 is shown, which is located at the embossing station 30.
• the embossing station 30 has an embossing unit 31 which, in this embodiment, has an embossing die 32 and a film feed unit 36.
• the film feed unit 36 comprises two film shafts 34 which unwind and unwind the film webs 33.
• the stamping die 32 is moved in a translatory manner in the direction of the base body 10, as indicated by the arrow.
• the film element 11 is then applied to the base body 10.
• the base body 10 coated with a film element 11 is shown in FIG. 1c.
• the base body 10 is preferably arranged in a fixed manner in the folding device 20. However, it is also possible for one or more film elements 11 to be embossed onto the base body 10.
• the embossing station 30 preferably has at least one embossing unit 31 which comprises one or more embossing dies 32. It is also possible for the coating device 50 to have at least one film feed unit 36, the film unit comprising two or more film shafts 34 which wind up and unwind two or more film webs 33, the two or more film webs 33 preferably being arranged parallel to one another and preferably be pushed in or out between the die 32 and the base body 10.
• the at least one film feed unit 36 has at least one splicing aid and / or that the two or more film shafts 34 can be removed, in particular to change the film.
• the one or more stamping dies 32 are preferably moved in a translatory manner in the direction of the base body 10 until the film element 11 comes into contact with the base body 10. Once the contact has been established, an in particular predefined embossing pressure is then applied and the film element 11 is embossed onto the base body 10 by means of heat input. It is possible that the one or more embossing dies 32 each have at least one direct heater for rapid heating of the embossing die 32. Furthermore, it is provided in particular that the flesh area of the one or more embossing dies 32 is between 0 ° C and 300 ° C, in particular between 80 ° C and 250 ° C.
• embossing of the one or more film elements 11 in step b) is carried out by means of roll embossing and / or partial roll embossing and / or flub embossing.
• a hot stamping foil comprising a carrier layer and a transfer layer detachable therefrom is used as the foil 33 in step b) and / or in step b) at least one section of the transfer layer determined by the shape of the stamping die 32 with activation of a Adhesive layer of the transfer layer or an adhesive layer provided between the base body 10 and the transfer layer is applied as a film element 11.
• a transfer film in particular a cold stamping film, comprising a carrier layer and a transfer layer detachable therefrom, is used as the film 33 in step b).
• the cold stamping film which is applied to the transfer layer and / or to a partial area of the surface of the base body 10 is preferably an adhesive layer, in particular selected from Cold adhesive and / or UV adhesive, in particular by means of an inkjet print head 42, applied in a first area and, however, not applied in a second area.
• the transfer film is guided against the surface of the base body 10 by means of the die 32, the adhesive layer is activated and the transfer film is removed again, so that a section of the transfer layer determined by the shape of the first area is applied as the film element 11.
• a laminating film is used as the film 33 in step b) and, during the embossing, at least one section of the laminating film determined by the shape of the embossing die 32 with activation of an adhesive layer of the laminating film or one provided between the surface of the base body 10 and the laminating film Adhesive layer is applied as a film element 11.
• the base body 10 coated with a film element 11 is shown, which is located at the printing station 40, the base body 10 still remaining in the holding device 20.
• the printing station 40 has a printing unit 41 which comprises two print heads 42. It is furthermore also possible for the printing station 40 to have at least one printing unit 41, which in turn comprises one or more print heads 42 and by means of which the one or more print layers 12 are applied.
• one or more printed layers 12 are then applied, in particular in a printing station 40 of the coating device 50, to at least a partial area of the one or more film elements 11 embossed on the base body 10.
• one or more printing layers 12 are applied to at least a partial area of a first surface of the base body 10 and / or one or more further printing layers 12 applied to the base body 10 on at least one partial area. It is provided in particular that the base body 10 remains in the holding device 20.
• the one or more printing layers 12 are applied by means of digital printing and / or inkjet printing and / or inkjet printing and / or pad printing.
• the one or more printing layers 12 are applied in step c) by means of one or more print heads 42, which printing ink, in particular printing ink with colors from the CMYK and / or RGB color model and / or special colors and / or have transparent printing ink, in particular clear lacquer and / or protective lacquer (ClearCoat), and / or adhesive, in particular cold adhesive and / or UV adhesive, and / or lacquers, which are preferably used as a printing layer 12 on the at least part of the first surface of the base body 10 and / or the at least one sub-area of the one or more film elements 11 embossed on the base body 10 and / or on the at least one sub-area of the one or more further printing layers 12 applied to the base body 10.
• print heads 42 which printing ink, in particular printing ink with colors from the CMYK and / or RGB color model and / or special colors and / or have transparent printing ink, in particular clear lacquer and / or protective lacquer (Clear
• the base body 10 coated with a film element 11 and a printing layer 12 is shown, this being furthermore fixed in the holding device 20 in a form-fitting and / or force-fitting manner.
• Fig. 1f the removal of the coated base body 10 from the holding device 20 is shown in a further step. This is indicated by the arrow. After the coated base body 10 has been removed, it is then possible to carry out further processing steps, which are preferably carried out in separate systems.
• the method includes the further step, in particular wherein the step after the coated base body 10 has been removed from the holding device 20 is carried out in one or more further systems: Flooding, overmolding and / or spray painting of the coated base body 10, and / or preferably lamination of sensors, in particular sensors that are sensitive to contact and / or approach, onto the coated base body 10, in particular onto the back of the coated base body 10.
• FIG. 2a shows a schematic representation of the coating device 50, comprising a tool carrier 21, which is preferably designed as a turntable, and the holding device 20, not shown in this figure, moves together with the base body 10 between the embossing station 30 and the printing station 40.
• FIG. 2b also shows a schematic representation of the coating device 50, the coating device 50 in this embodiment variant having a tool carrier 21 which comprises a sliding table and / or a linear unit 23 and the holding device 20 with the base body fixed therein in a form-fitting and / or force-fitting manner 10 moves between the embossing station 30 and the printing station 40.
• a tool carrier 21 which comprises a sliding table and / or a linear unit 23
• the holding device 20 with the base body fixed therein in a form-fitting and / or force-fitting manner 10 moves between the embossing station 30 and the printing station 40.
• FIG. 3 illustrates an embodiment of the coating device 50 according to FIG. 2b, in which the tool carrier 21 comprises a sliding table and / or a linear unit.
• the coating device 50 has an adjusting device 22 which translates the tool carrier 21 between the embossing station 30 and the printing station 40, as indicated by the double arrow.
• a holding device 20 is also arranged on the tool carrier 21, in which the base body 10 is arranged in a fixed manner, in particular in a form-fitting and / or force-fitting manner.
• the coating device 50 further comprises a process control device 60.
• the process control device 60 comprises one or more microprocessors, peripheral components for controlling the embossing station 30, the printing station 40 and the actuating device 22, as well as corresponding software components.
• the coating device 50 has at least one holding device 20 for fixing a base body 10, at least one embossing station 30 and at least one printing station 40, for applying one or more printing layers 12 to at least a portion of a first surface of the base body 10 and / or has at least a partial area of one or more foil elements 11 embossed on the base body 10 and / or at least a partial area of one or more further printed layers 12 applied to the base body 10, and that the embossing station 30 has one or more embossing units 31 for embossing one or more foil elements 11 on at least a partial area of a first surface of the base body 10 and / or at least a partial area one or more further film elements 11 embossed on the base body 10 and / or at least a partial area one or more printed layers 12 applied to the base body 10 is.
• the embossing station 30 has at least one embossing unit 31 for embossing one or more film elements 11.
• the embossing unit 31 preferably has at least one turret head 35 on which at least one embossing die 32 is mounted. In the variant embodiment shown in FIG. 3, four embossing dies 32 are arranged on the turret head 35.
• the embossing station 30 may have at least one turret head 35, which is preferably mounted so as to be rotatable about at least one axis and can be moved translationally along at least one axis.
• the turret head 35 comprises one or more stamping punch receptacles which receive one or more stamping stamps 32.
• the embossing dies 32 preferably have different geometries, so that different motifs can be embossed.
• the rotatable mounting of the turret head 35 and the possibility of translational movement of the turret head 35 are indicated by the arrows shown.
• the embossing station 30 has at least one foil feed unit 36, the foil feed unit 36 comprising two or more foil shafts 34 which wind up and unwind two or more foil webs 33. It is particularly possible here for the two or more film webs 33 to be arranged parallel to one another and the two or more film webs 33 to be pushed in or out between the embossing die 32 and the base body 10.
• the turret 35 together with the die 32 is moved in a translatory manner against the base body 10 in the manner of an air press.
• the embossing of the one or more film elements 11 is carried out by means of roll-off embossing and / or partial roll-off embossing.
• the one or more dies 32 are interchangeably mounted on the one or more die mounts of the at least one turret 35, preferably each die mount having a quick-change system for replacing the dies 32 without tools, preferably the quick-change system being a dovetail mount and / or has a clamping lever for exchanging the die 32.
• embossing dies 32 can be exchanged, in particular, without tools, which considerably reduces the set-up times of the machine, in particular during maintenance or when changing to a different base body 10.
• the one or more embossing punches 32 not mounted on the turret head 35 are temporarily stored in a holder of the coating device 50 for preheating. It is also possible for the one or more embossing dies 32 to comprise a material or a combination of materials selected from: steel, silicone, plastic, aluminum, copper, brass and / or magnesium.
• the one or more embossing stamp receptacles and the one or more embossing stamps 32 are coded, preferably coded by means of RFID chips.
• the at least one printing station 40 comprises a digital printing station and / or inkjet printing station and / or pad printing station and / or inkjet printing station.
• the at least one printing station 40 comprises at least one printing unit 41, which in particular has at least one print head 42.
• the one or more print layers 12 are applied by means of the at least one print head 42.
• each print head 41 of the one or more print heads 42 it is possible for each print head 41 of the one or more print heads 42 to be arranged separately movable in translation, preferably arranged to be movable in the z direction, so that a constant process distance to the surface of the base body 10 can be maintained. It is possible that the surface of the base body 10 can have unevenness and / or roughness, which is why the at least one print head 41 is preferably controlled by means of the process control device 60 in order to maintain the process distance.
• the one or more printing layers 12 have one or more materials, in particular selected from:
• the coating device 50 has at least one pretreatment station 70 for pretreating a partial area of the surface of the base body 10, the one or more film elements 11 embossed on the base body 10 and / or the one or more printed layers applied to the base body 10 12, in particular through one or more processing methods selected from: fumigation, flame treatment, plasma treatment, fluorination, irradiation,
• the coating device 50 may have at least one test station for optical testing of at least a partial area of the surface of the base body 10, the one or more film elements 11 embossed on the base body 10 and / or the one or more printed layers 12 applied to the base body 10 by means of an optical sensor, in particular a camera.
• the coating device 50 prefferably has at least one cleaning station, in particular for cleaning at least one surface of the base body 10 by means of brushes and / or compressed air and / or suction.
• the coating device 50 prefferably has at least one flow box, preferably at least one fan, for reducing and / or avoiding dust, in particular with this / this blowing filtered ambient air or room air with excess pressure into the work space.
• the working space is preferably sealed off from the environment and particularly preferably lockable from the environment.
• the work space comprises that space in which the at least one embossing station 30, the at least one printing station 40, the at least one pretreatment station 70, the at least one cleaning station, the at least one UV irradiation unit 80 and / or the at least one test station are arranged.
• the coating device 50 has at least one UV irradiation unit 80 for UV pre-curing, in particular pinning, of one or more printing layers 12 of the one or more printing layers 12, and / or a UV irradiation unit 80 for complete curing one or more printing layers 12 comprising one or more printing layers 12.
• the one or more printing layers 12 comprise UV glue and / or cold glue and / or glue and / or varnish and / or ink.
• the UV irradiation unit 80 preferably comprises a light source which emits UV radiation and which preferably emits light in the wavelength range from 385 nm to 405 nm.
• the coating device (50) has at least one film control unit that checks the two or more film webs (33) for film tears, film end and / or film supply, preferably by means of at least one sensor and / or by means of two or more servomotors, which are arranged on the two or more film shafts.
• the sensor is an optical sensor, for example a camera.
• the coating device 50 has at least one movably mounted tool carrier 21, in particular a vertically or horizontally arranged turntable or sliding table, in particular on which the at least one holding device 20 is arranged and by means of which the at least one holding device 20, in particular can be moved together with the fixed base body 10, at least between the at least one embossing station 30 and / or the at least one printing station 40 and / or the at least one pretreatment station 70 and / or the at least one testing station and / or the at least one cleaning station.
• the coating device 50 has a number n stations, in particular the at least one embossing station 30, the at least one pretreatment station 70, the at least one cleaning station and / or the at least one printing station 40, and that on the at least one Tool carrier 21 at least n holding devices 20 are arranged.
• the coating device 50 has at least one adjusting device 22 for moving the holding device 20 and / or the at least one holding device 20 arranged on the at least one common tool carrier 21 between the stations of the coating device 50.
• the coating device 50 has at least one process control device 60, which controls the actuating device 22 in particular such that the one or more holding devices 20 are fed cyclically in a predefined sequence to two or more stations of the coating device 50, in particular in one Sequence: embossing station 30 - printing station 40, printing station 40 - embossing station 30, pretreatment station 70 - embossing station 30 - printing station 40, embossing station 30 - pretreatment station 70 - printing station 40, pretreatment station 70 - embossing station 30 - pretreatment station 70 - printing station 40.
• FIG. 4a shows a method for coating a base body 10, in particular with a coating device 50, the following steps being carried out in the method, in particular in the following sequence: a) fixing the base body 10 in a holding device 20, b) Embossing one or more foil elements 11 on at least a partial area of a first surface of the base body 10 and / or on at least one partial area one or more further foil elements 11 embossed on the base body 10 and / or on at least one partial area one or more on the base body 10 applied printing layers 12, with the base body 10 remaining in the folding device 20, c) applying one or more printing layers 12 to at least a portion of a first surface of the base body 10 and / or on at least a portion of one or more film elements 11 and embossed on the base body 10 / or one or more further printing layers 12 applied to the base body 10 on at least one partial area, the base body 10 remaining in the folding device 20, d) removing the coated base body 10 from the folding device 20.
• steps b) and c) are carried out one or more times and / or are carried out in any order. This is also illustrated in FIGS. 4b and 4c.
• the cycle times of steps b) and c) are each between 1 s and 300 s, preferably between 5 s and 120 s, in particular between 20 s and 30 s.
• the method comprises the following step, in particular wherein the step is carried out before step a):
• Fiering points of the base body 10 by means of injection molding and / or 3D printing and / or machining and / or non-cutting fiering methods. It is also possible that the method comprises the following step, in particular wherein the step is carried out before step a):
• Feeding and / or arranging the base body 10 in the holding device 20 Feeding and / or arranging the base body 10 in the holding device 20.
• the method comprises the following step, in particular wherein the step in step c) is carried out:
• UV irradiation in particular pinning, by means of a UV light, preferably a UV LED, for pre-curing one or more printing layers 12 of the one or more printing layers 12, in particular UV glue, cold glue, glue, varnish and / or ink, in particular wherein the irradiation with light, in particular from the wavelength range from 385 nm to 405 nm, is carried out.
• a UV light preferably a UV LED
• the method comprises the following step, in particular wherein the step in step c) is carried out:
• UV irradiation by means of a UV light preferably a UV LED
• a UV light for the complete curing of one or more printing layers 12 of the one or more printing layers 12, preferably UV glue, cold glue, glue, varnish and / or ink, in particular wherein the irradiation is carried out with light, in particular from the wavelength range from 385 nm to 405 nm.
• step b) shows that one or more printed layers 12 are initially applied to the base body 10 in accordance with step c) and then step b) is carried out, so that one or more film elements 11 are embossed. It is possible that the base body 10 between the two steps b) and c) or in reverse order is pretreated in a pretreatment station 70.
• the method comprises the following step, in particular wherein the step is carried out one or more times before step b) and / or before step c):
• step b) and / or step c) a visual inspection of the at least one sub-area of the first surface of the base body 10 and / or of the at least one sub-area of the one or more film elements 11 embossed on the base body 10 and / or of the at least one partial area of the one or more printing layers 12 applied to the base body 10 by means of an optical sensor, in particular a camera.
• the method comprises the following step, in particular wherein the step is carried out before and / or after step b), and / or before and / or after step c):
• the at least one tool carrier 21, on which the at least one holding device 20, in particular together with the fixed base body 10, is arranged, before step b) into an embossing position for performing step b) and / or before Step c) is moved into a printing position for performing step c).
• embossing of the one or more foil elements 11 in step b) is carried out by means of one or more embossing dies 32, which a foil 33 or one or more cutouts of a foil 33 as foil elements 11 on the at least one partial area of the first surface of the main body
• step b) the one or more film elements
• the one or more foil elements 11 are embossed in register with the one or more further foil elements 11, in particular with one or more register marks of the optical features of the one or more further foil elements 11 and / or the holding device 20 being detected and used to control the embossing .
• the one or more film elements 11 and / or the one or more further film elements 11 each have at least one decorative layer and / or at least one functional layer, in particular a layer with an electrical functionality, in particular comprising one or more elements selected from Touch sensor, antenna, electromagnetic shielding, electrically non-conductive, metallic layers to avoid electrostatic charge, display, LED, electrical circuit, solar cell, at least one, in particular, post-curable protective layer and / or at least one adhesion promoting layer.
• the coating device 50 essentially has an embossing station 30 and a printing station 40.
• the coating device further comprises a process control device 60, a UV irradiation unit 80, an adjusting device 22 and a tool carrier 21.
• the embossing station 30 further comprises a turret head 35, which carries one or more embossing dies 32, and a foil feed unit 36.
• the turret 35 is displaceable in the z-direction, as indicated by the double arrow, and the foil feed unit 36 can be displaced in the y-direction by means of linear drives 23 arranged.
• the printing unit 41 and the UV irradiation unit 80 are arranged displaceably by means of linear drives 23, in particular arranged displaceably in the z-direction, as also indicated by the double arrow.
• the printing unit 41 and the UV irradiation unit 80 will be described in more detail below.
• the tool carrier 21 and the adjusting device 22 are also arranged to be displaceable by means of linear drives 23. These are also described in detail below.
• the tool carrier 21 can be moved between the embossing station 30, the printing station 40 and the UV irradiation unit in the y-direction; for this purpose, the actuating device 22 is controlled by the process control device 60 so that the tool carrier 21 can be moved between an embossing position and a printing position. Furthermore, it is provided that the tool carrier 21 is brought into the embossing position for embossing one or more film elements 11 and, analogously, is brought into the printing position for applying one or more printing layers 12. The process control device 60 then controls the embossing process and / or the printing process. Using the over Linear drives 23 adjustable film feed unit 36, the turret 35 and the printing unit 41 can be customized.
• FIG. 6 shows an exemplary illustration of the adjusting device 22 and the tool carrier 21.
• the tool carrier 21 can be moved along the y-direction by means of a linear drive 23 which is arranged on the adjusting device 22.
• the tool carrier 21 itself has a further linear drive 23 which allows the tool carrier 21 to move in the x direction.
• the directions of movement are particularly illustrated by the two double arrows.
• the printing unit 41 comprises four print heads 42. These can, for example, cover the color space of the CMYK color model. However, it is also possible for colors of the RGB color model, transparent printing ink, in particular clear lacquer and / or protective lacquer (ClearCoat), and / or adhesive, in particular cold adhesive and / or UV adhesive, and / or lacquer to be applied by means of the print heads 42 .
• each of the four print heads 42 has a UV irradiation unit 80, in particular for pre-curing one or more printing layers 12 of the one or more printing layers 12. However, it is also possible for the UV irradiation unit 80 to fully cure one or a plurality of printing layers 12 of the one or more printing layers 12 is implemented.
• the printing unit 41 can be moved in the x direction by means of a linear drive 23 together with the four printing heads 42, as indicated by the double arrow.
• each of the print heads 42 it is possible for each of the print heads 42 to have its own linear drive 23 for individually moving the print heads 42 along the z-axis, as indicated by the double arrow.
• the arrangement of the linear drives 23 should not have a restrictive effect in this case.
• the printing unit 41 and / or the printing heads 42 to have further linear drives 23 which allow the printing unit 41 and / or the printing heads 42 to move in further spatial directions.
• An exemplary UV irradiation unit 80 is shown in FIG. 8.
• This is preferably a UV irradiation unit 80 for completely curing one or more printing layers of the one or more printing layers 12.
• the UV irradiation unit 80 is a UV irradiation unit 80 for pre-curing one or more printing layers 12 of the one or more printing layers 12 are involved.
• the UV irradiation unit 80 has a linear drive 23, as a result of which the UV irradiation unit 80 can be moved in the z-direction.
• the UV irradiation unit 80 comprises further linear drives 23 so that the UV irradiation unit 80 can be moved in further and / or other spatial directions.
• a base body 10 is shown by way of example in FIG. 9a.
• the basic body 10 shown is a vehicle part, in particular a cockpit component. It is possible for the geometry of the base body 10 to have individual shapes, so that it has, in particular, uneven and / or curved surfaces.
• the holding device 20 preferably fixes the base body 10 in a form-fitting and / or force-fitting manner, so that it is held in a precisely positioned position during further processing.
• This has the particular advantage that the further method steps can also be carried out with exact positioning and / or register.
• the holding device 20 it is preferably also possible for the holding device 20 to have position markings and / or register markings, which are detected by a recognition unit and then a position-accurate stamping or several film elements 11 and / or application of one or more printed layers 12 takes place.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Application Of Or Painting With Fluid Materials (AREA)
• Coating Apparatus (AREA)
• Ink Jet Recording Methods And Recording Media Thereof (AREA)
• Laminated Bodies (AREA)
• Printing Methods (AREA)

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• 2019
  • 2019-10-10 DE DE102019127325.0A patent/DE102019127325A1/de active Pending
• 2020
  • 2020-10-05 CN CN202080082629.9A patent/CN114761243A/zh active Pending
  • 2020-10-05 KR KR1020227015515A patent/KR20220071280A/ko unknown
  • 2020-10-05 EP EP20792552.0A patent/EP4041553A1/de active Pending
  • 2020-10-05 US US17/767,677 patent/US20240116290A1/en active Pending
  • 2020-10-05 WO PCT/EP2020/077826 patent/WO2021069365A1/de active Application Filing
  • 2020-10-05 MX MX2022004310A patent/MX2022004310A/es unknown
  • 2020-10-05 IL IL291977A patent/IL291977A/en unknown
  • 2020-10-05 JP JP2022521216A patent/JP2022551862A/ja active Pending

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