EP3658379A1 - Device for coating panels, printing press, and method for coating panels - Google Patents
Device for coating panels, printing press, and method for coating panelsInfo
- Publication number
- EP3658379A1 EP3658379A1 EP18725181.4A EP18725181A EP3658379A1 EP 3658379 A1 EP3658379 A1 EP 3658379A1 EP 18725181 A EP18725181 A EP 18725181A EP 3658379 A1 EP3658379 A1 EP 3658379A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- printing
- roller
- printed
- applicator
- 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
- 239000011248 coating agent Substances 0.000 title claims abstract description 177
- 238000000576 coating method Methods 0.000 title claims abstract description 123
- 238000007639 printing Methods 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 56
- 230000008901 benefit Effects 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 46
- 238000011144 upstream manufacturing Methods 0.000 claims description 17
- 239000003973 paint Substances 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000004922 lacquer Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 238000007774 anilox coating Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 239000002966 varnish Substances 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 13
- 230000001070 adhesive effect Effects 0.000 description 13
- 239000010410 layer Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010422 painting Methods 0.000 description 5
- 238000007645 offset printing Methods 0.000 description 4
- 238000010073 coating (rubber) Methods 0.000 description 3
- 238000007641 inkjet printing Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 210000002105 tongue Anatomy 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- B41F23/08—Print finishing devices, e.g. for glossing prints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/027—Ink rail devices for inking ink rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/06—Troughs or like reservoirs with immersed or partly immersed, rollers or cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/18—Inking arrangements or devices for inking selected parts of printing formes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/20—Ink-removing or collecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2200/00—Printing processes
- B41P2200/10—Relief printing
- B41P2200/12—Flexographic printing
Definitions
- the invention relates to a device for coating of benefits, a printing machine and a method for coating benefits according to the preamble of claim 1, 15 and 19, respectively.
- a coating for. B. as a varnish layer or otherwise seal.
- a coating e.g. As a so-called. Spot varnish obtained.
- this can serve to upgrade the product by achieving special optical effects, or to meet the specific requirements of the subsequent further processing of the benefits.
- EP 1 207 044 B1 discloses a method for producing spot coatings on printing substrates, in which coating material is applied over the entire surface of the printing material in a coating unit which interacts differently with previously applied colors of different color systems and therefore causes different levels of gloss.
- a printing press is known from EP 1 389 523 A1, wherein an offset printing unit downstream of a varnishing or flexographic printing unit is arranged downstream.
- each double row of printheads is preferably associated with and / or assignable to an ink of a specific color, for example one of the colors black, cyan, yellow and magenta or a lacquer, for example a clear lacquer.
- Upstream of printing can be provided in the Bedruckstoffweg a substrate preparation, which may be in one embodiment, for example, a coating device for applying primer.
- WO 2010/127913 A1 relates to a web-fed rotary offset printing machine with a coating unit comprising an anilox roller with a chambered doctor blade.
- DE 10 2012 209 130 A1 relates to an inking unit for a digital offset printing machine.
- a stenciling should be avoided by the non-removed ink is removed by a suitably executed device of the roll shell surface of a inking roller after the ink application to an imaging cylinder.
- fountain solution is first applied to the image forming cylinder, patterning the fountain solution layer by digital evaporation, and dispensing the ink through the inking member to the dampening agent-free locations on the imaging cylinder. The residual color remaining on the inking component by non-removal is removed before repainting.
- DE 100 52 01 1 A1, DE 196 17 746 A1 and DE 10 2004 048 150 A1 all relate to a setting of color profiles in color works. From such inking the ink, possibly coarsely pre-profiled, is applied to form cylinder, is defined by the printing form to be transferred to the substrate print pattern.
- Documents DE 10 2016 214 899 A1, WO 2004/013 704 A1 and DE 10 2005 021 185 A1 disclose printing machines each having at least one digital printing device.
- the invention is based on the object, a device for coating benefits, a printing machine and a method for coating benefits.
- a printing material which is still to be printed with one or more benefits, it can be coated, for example, specifically only in the area of partial areas which are subsequently also to be printed.
- a corresponding device for coating a printing material printed or to be printed with one or more uses with one, in particular printing ink or ink different, coating agent, in particular a paint or a primer in this case comprises an applicator roll which can be brought into contact with the printing material to be coated in the region of a contact zone in order to contact him on the
- Coating supply supplying device which cooperates in the region of at least one contact zone on the circumference of the applicator roll with this around the lateral surface of the applicator roll on a width, here z. B. Beaufschlagungsbreite, continuously apply to lecturtragendem on the substrate coating agent.
- the application roller is assigned a removal device with acceptance elements, through which it is previously applied by the supply device over the application width continuously on the lateral surface
- Coating agent prior to downstream delivery to the substrate selectively, d. H. in one or in a plurality of sections width a width in relation to the loading width, z. B. axial sections a, clocked to the machine and / or printing material phase position for defined and / or definable phase lengths can be removed again from the lateral surface.
- the coating agent remains on the lateral surface and is - at least in part - subsequently delivered to the substrate.
- the coating agent in defined, compared to the peripheral length of the applicator roller shorter and compared to the loading width narrower portions, again from the conveying surface is removable.
- a plurality of partial areas in their axial position and extent as well as in their phase position and length are preferably independently definable on the unwinding length of the applicator roller and / or on a length of the benefit.
- the coating agent per se in its axial position or extent and / or in its phase position or length
- the acceptance device is here in particular with the application roller in Peripheral region - seen in operating direction - between the single or operating direction last contact zone with the feeder and the contact zone with the substrate arranged cooperatively.
- the removal device is in this case designed in particular as the coating agent on mechanical removal means.
- the coating agent on mechanical removal means.
- doctor blades, and blowing nozzles as decrease elements are conceivable, which remove the coating agent by targeted air surges from the lateral surface.
- Coating agent advantageously removed as such, so z. B. not only individual components of this, as it is for example for mixtures in a
- Partial evaporation or drying may occur.
- Printing substrate with a coating agent, in particular a paint or a primer is carried out according to the invention based on digital data for a - preferably indirect - non-impact coating method, d. H. without firm
- Coating form with one or more in number and / or size and / or shape and / or position variable areas without coating.
- these areas without coating are also referred to below as recesses.
- recesses In the case of not to be primed
- Areas this may be recesses or contiguous areas with enclosed by these coated faces.
- Such a printing press comprises a printing material feed, by means of which printing material to be printed can be supplied on the input side, a printing unit which operates according to a non-impact method and / or operable printing unit, and a product receptacle, by which the printed printing material can be further processed and / or combined in one container.
- a the printing unit in Bedruckstoffweg nach- and / or a printing unit upstream coating device is provided through which the upstream printed with a benefit or downstream yet to be printed substrate based on digital data for a - especially indirect - non-impact application method, ie can be coated without a solid coating form, with areas that can be varied in number and / or size and / or shape and / or position without coating.
- Coating device the printing machine according to the invention and the procedure according to the invention for coating are to be taken individually or in more detail from the following explanations.
- FIG. 1 shows a schematic representation of a printing material cutout with a benefit located thereon
- FIG. 2 shows an on-off sequence of an x-th located in an escape from FIG. 1
- Fig. 3 is an enlarged partial section of a) a benefit bearing
- Substrate with an adhesive area and a recess in the coating with z. B. a paint and b) one to be printed on a benefit
- Fig. 5 is a side view of an embodiment for the execution of
- FIG. 6 is a perspective view of an applicator roll in a transparent representation with a removal device associated therewith;
- Fig. 7 is a horizontal sectional view of a left portion of Fig. 6;
- FIG. 8 is a horizontal sectional view of the portion of FIG. 7 of FIG. 6; FIG.
- FIG. 9 is an enlarged sectional view of a doctor blade assembly of FIG. 8; FIG.
- Fig. 10 is a printing machine with a non-impact printing method
- FIG. 1 shows, by way of example, a utility 01 already printed once or several times on a printing material 02 which has already been printed once or several times, ie an item 01 of a printed product located on a printing material 02, as is known, for example.
- B. in the printing industry as a final or in particular intermediate before, for example, a Roth- or Final processing is present.
- one or more such benefits 01 may be provided on a sheet 02 present as a sheet or - as here in the example present - several benefits 01 in a row and possibly additionally next to each other on a web-shaped substrate 02, z.
- a printing material 02 may be provided.
- the benefits 01 of a series can basically all be the same or at least partly differ in form and / or print image.
- Coating agents come. This can be, for example, a primer application lying before the printing or also a painting taking place after the printing.
- the benefits 01 in particular in the production of packaging, it is particularly advantageous if the benefits 01 not over the entire surface, but only on a part of the useful surface a coating, for. As a so-called. Spot varnish obtained.
- Adhesive areas 03 are those areas on the use 01 to be understood, which are covered on the later product by overlapping and provided for bonding with another part of the same benefit 01 or another sub-product.
- the adhesive area 03 in the local sense can, but does not have to come in contact with adhesive on its entire surface or participate in the bonding.
- the the Adhesive region 03 associated recess 04 can basically correspond in size and shape of the area provided for the adhesive area 03 or even smaller than this, as long as it ensures adherence of the adhesive to the relevant "splice" on a sufficiently large area actual adhesion to a "splice” basically also be formed on several smaller recessed areas.
- regions 04 ' which are not to be provided with primers can be recesses 04' or also contiguous regions 04 'with coated partial surfaces enclosed by them (see, for example, FIG. 3 b).
- z. B. down to single copies of effectively coating in at least in the position of adhesive areas 03 and / or printing areas 05 benefits 01, in particular paint and / or with primer 06 'specifically to prepare, is - especially in an embodiment set out below a printing machine - a coating device 07; 43, briefly coating device 07; 43, through which the substrate 01 carrying the benefit 01 is based on digital data for a non-impact order, in particular indirect, d. H. without a solid coating or coating form, with regions 04 which can be varied in number and / or size and / or shape and / or position; 04 'without coating or coating agent 06; 06 ', in particular recesses 04; 04 'is coatable.
- these coating agent-free areas 04' may be larger in area than the area to be coated. It may also happen that in certain axial sections a over the length L01, z. B. utility length L01 continuously the coating agent 06 'is removed again.
- Embodiments of the device 07; 43 itself uses the same reference numerals. The following statements are therefore applicable to both applications, namely to the application as a painting device 07 as well as an application device 43 for primer 06 '.
- Paint device 07 or an application device 43 for primer 06 ' according to any, for the applied coating agent 06; 06 ', especially for the applied lacquer 06 or primer 06 ', physically and chemically suitable non-impact coating method work or be designed.
- Coating apparatus 07; However, 43 is based on a selective removal of previously - in particular full-area or in a continuous width - on the transport surface 08 of the Be Anlagenungsvornchtung 07; 43 coated in the coating agent applicator element 09 applied coating agent 06; 06 'at a location in the coating agent path of the coating apparatus 07; 43, which lies before or upstream of the point of the order on the substrate 02.
- the applicator element 09 as a circulating belt or otherwise coating agent 06; 06 'can be performed continuously promotional, the selective removal of the
- One after o. G. Principle working device 07; 43 is insensitive to physical or chemical differences in the spectrum of possible coating compositions 06; 06 '.
- the application element 09 which is preferably in the form of applicator roller 09, has a smooth and / or hard surface in the area of its surface area 08 which can be used or coated for coating.
- the hardness should have at least a hardness of 800 HRV, preferably at least 1000 HRV, and / or the smoothness should have a roughness degree of at most Rz10, in particular at most Rz2.
- the roller 09 or at least the usable for the coating or effective lateral surface 08 is formed of ceramic.
- the applicator element 09 which is preferably in the form of applicator roller 09, is a removal device 1 1, in particular a doctor device 1 1, preferably mechanically effective. assigned by which previously applied by a supply means 18 over a Beaufschlagungsumble continuously on the lateral surface 18th
- z. B. at least ten, in particular at least 50, compared to the Beauftschungsumble and / or in particular over a usable roll width b09 narrower
- z. B. at least by a factor of 10 or even 50 compared to the Beaufschlagungsbreite and / or compared to the usable roll width b09 narrower
- correlation can range from a fixed and, if necessary, uniform sequence over a variety of uses 01 to irregular sequences newly defined for each use 01.
- the selective removal in the subregions 12 or in part-wide sections a thus takes place by means of temporarily defining an individual or a group of applicator elements 13 axially continuing in their squeegee action by a defined subsection 12 in the axial direction previously on the admission width applied coating agent 06; 06 'of coating agent 06; 06 'can be exempted. Meanwhile, decrease elements remain 13 other tracks simultaneously turned off, so that the coating agent 06; 06 'remains in these tracks on the lateral surface 08 and z. B. in the region of the contact zone 17 can be delivered to the substrate 02 or is.
- the metering elements 13 are in number and
- Acceptance width in increments of 10 mm, preferably of at most 6 mm is achieved or can be achieved.
- a turning on and off of the one or more partial width track related decrease elements 13 related to the length L01 of a benefit 01 done several times. That is, on one of the length L01 of a benefit 01 currently to be coated
- corresponding Abrollin of the applicator roller 09 can be provided or run through several Anstell-phases P A N and several shut-off phases P A B.
- An on-shut-sequence is by way of example in Fig. 2a in a plane passing through adhesive areas 03 escape F x (see, for. Example, Fig. 1) located x-th sampling element 13x for the state Z of the setting-on position AN and removed area AB as a function of the useful phase position ⁇ , ie the relative phase ⁇ of the already printed in the printing material upstream or downstream to be printed yet benefit 01 to the coating device 07, shown.
- Fig. 2b is an example of an on-off sequence in a through
- Pressure ranges 05 extending escape Fy (see, for example, Fig. 1) located y-th
- the useful phase position ⁇ in practice can be based on a direct position determination of the benefit 01 or the printing material 02 itself or from a machine phase position, ie from phase position and / or movement information of the use 01 or printing material 02 defined and / or by the coating device 07; 43 promotional means of transport or the machine itself, be derived or be.
- Preference is given to the benefit phase position ⁇ for controlling the clocked on / off via information on the substrate or Machine phase position obtained and further processed by control means of a control device 16 accordingly.
- the control device 16 is for this purpose with information on the printing material and / or machine phasing providing means in
- the removal device 11 is designed in such a way that, based on the circumferential or unwinding length of the applicator roller 09, several partial regions 12 can be defined independently of one another in their axial position and extent as well as in their phase position and length and / or of coating agent 06; 06 'are releasable and / or that in successive revolutions of the applicator roller 09 the
- Coating agent 06; 06 'per se in its axial position or extent and / or in their phase position or length different sections 12 is removable. That of coating agent 06; 06 'liberated portions 12 effect - taking into account the still to be covered in each case transport path of coating agent 06; 06 'and substrate 02 - to be provided on the substrate 02 coating agent-free areas 04; 04 'or recesses 04; 04 '.
- the applicator roller 09 and a substrate to be coated 02 are in the area of a mutual contact zone 17 with each other in contact with each other to on the
- the contact zone 17 may be quasi-line-shaped or flat.
- the application roller 09 preferably forms a nip point with a counter-roller 15, through which the printing material 02 to be coated can be guided and on which the application roller 09 facing side can be coated.
- the nip then forms the contact zone 17 or lies in the case of a partial looping within the contact zone 17.
- the counter-roller 15 is preferably at least in the area of their usable and / or effective for Be Mrsungsstoffftransport lateral surface with an elastic and / or
- compressible surface layer Preferably, it is provided as a roller 15 with a in at least the usable or effective lateral surface area Rubber layer or rubber coating executed.
- the application roller 09 receives the coating agent 07; 43 by contact with a supply device 18 in the region of a formed on the circumference of the applicator roller 09 contact zone 19.
- the - in particular continuous - width on which the applicator roll 09 by the supply means 18 with coating agent 06; 06 'is acted upon or can be acted upon, is also referred to below as short Beauftschungsbreite.
- the feeder 18 can in principle directly through
- Coating agent reservoir, z. Example be given by a salaried to the applicator roller 09 or engageable chamber doctor blade and the contact zone 19 by the direct contact with the color therein, or by a tub-like container with coating agent 06; 06 ', in which the applicator roller 09 dips to a contact zone 19 auslagendem part.
- the supply means 18 may be given by a kind of spray bar, through which the application roller 09 in a contact zone 19 forming peripheral portion with coating agent 06; 06 'is acted upon.
- the applicator roller 09 receives the coating agent 06; 06 'but not directly from a coating agent reservoir, but from another, with respect to the coating agent flow upstream roller 21. Die
- Coating agent supply to the applicator roller 09 relevant contact zone 19 is in this case by the Nippstelle between the two rollers 09; 21 formed.
- the roller 21 may in principle be designed as a dipping or raster or cup roller and with a - optionally variable in the effective width - coating agent reservoir, for.
- a chambered doctor blade or an already above container be designed to cooperate.
- it is designed as a transfer roller 21, which the coating agent 06; 06 'via a nip with a further, upstream roll 23 receives.
- the transfer roller 21 is preferably at least in the region of its formed for the Be Anlagenungsungsmittelftransport usable and / or effective lateral surface with an elastic and / or compressible surface layer 26.
- it is designed as a roller 21 with a rubber layer 26 or rubber coating 26 provided in at least the usable or effective lateral surface area.
- Application roller 09 seen last passed contact zone 19 to understand before passing through the contact zone 17 with the substrate 02.
- the transfer roller 21 with coating agent 06; 06 'supplying roll 23 may in principle be a further roller 23 of a further upstream roller train, at the end of an already o. G., If necessary, is in the effective width variable coating agent reservoir. In a preferred embodiment, however, it is designed as the last upstream roll 23 and is in the range of
- the roller 23 can also be embodied as a dipping roller immersed in a coating agent reservoir, it is preferably designed as an anilox roller 23.
- the anilox roller 23 acts to pressurize it with the coating agent reservoir of an applicator 24 comprising a squeegee, in particular with a Chamber doctor 24 together.
- the loading width may be fixed or adaptable to a variable width of substrate.
- the removal device 1 1 can basically be carried out in any desired manner to previously applied coating agent 06; 06 'selectively in - z. B. basically of use 01 to use 01 new - definable or defined portions 12 of the first applied to a continuous Beaufschlagungsumble on the lateral surface 08 of the applicator roller 09 coating agent layer again, for example, to evaporate, dab or suck off.
- the "decrease” or the "removal” does not mean removal of a partial layer, that is to say no metered adjustment of a remaining layer thickness, but a removal which is as residue-free as possible taking into account the limits of the means used. Accordingly, the meaning of an actual contact, in particular of a force-loaded contact of the pickup element 13 with the outer surface 08, comes to a "turning on".
- a doctor device 1 1 is provided as a take-off device 1 1, which viewed in the axial direction of the applicator roller 09 more, z. B.
- doctor blades 13 has the doctor blades 13 as single sheets or alternatively in the form of Tongue be performed from a side of multiple cut doctor blade. It can also be a mixed form, wherein several such incised doctor plates are arranged side by side.
- the individual doctor blades 13 are particularly controlled by separately
- Actuators 14 on or off Under the formulation of an on and off, so the movement of the doctor blade 13 in a Anstelllage AN or Abstelllage AB, by the respective actuator 13 should also fall solutions in which by the actuator 14 only one direction of adjustment is accomplished actively, z. B. a hiring, so the
- a control device 16 which activates and deactivates the take-off elements 13 for the printing material and / or machine phase position is activated and deactivated, in particular on and off .
- the pattern of activation or employment corresponds to the coating agent-free regions 04 to be taken into account on the use 01; 04 'resp.
- Recesses 04; 04 ' In this case, when passing through the jacket area in the pattern of the present on the benefits 01 recesses 04; 04 'one or more doctor blades 13 individually or grouped together for one of the length of the recess 04; 04 'corresponding peripheral portion hired on the lateral surface 08 and then turned off again.
- the width of the individual or the group of doctor blades 13 corresponds to the width of the recess 04; 04 '.
- arbitrary drive means can be provided as actuators 14.
- the electromagnets 14 are
- doctor device 1 1 acceptance device 1 1 is preferably offset at the periphery of the applicator roller 09, d. H. arranged at a distance from the contact zone 19 with the supply means 18. Regardless of their concrete embodiment of the doctor device 1 1 as decrease elements 13 at least ten, in axially offset tracks to the lateral surface 08 independently engageable doctor blades 13 includes.
- the doctor blades 13 of the doctor device 1 1 can in principle all be arranged in an axially extending row in alignment next to each other. In this case, a gapless arrangement is advantageous, so that between adjacent squeegee blades 13 as possible no coating agent 06; 06 'remains on the lateral surface 08.
- two axially extending rows are arranged offset relative to each other in the circumferential direction with respect to each other by at most one doctor blade width blade 13, so that by the doctor blades 13 in Anstelllage AN on the lateral surface 08 in the circumferential direction
- doctor blades 13 with a width of their effective edge of 5 to 7 mm, in particular 6 mm are arranged axially spaced from one another by 3 to 5 mm, in particular 4 mm, in the respective row.
- the rows are arranged one behind the other in such a way that the squeegee blades 13 of the one row or squeegee arrangement 1 1.1; 1 1 .2 centered to interrupt the other row or squeegee assembly 1 1 .2; 1 1 .1 come to rest.
- At least 250 such doctor blades 13 and / or a total of at least 500 doctor blades 13 are provided for forming 500 axially staggered, advantageously overlapping tracks.
- control of the on or off is or is in an advantageous embodiment of the control of the inkjet heads 36; 37; 38; 39 or printhead groups 36; 37; 38; 39 coupled.
- an edge-side termination of the row of doctor blades 13 is such that it is spaced inwardly with its edge-side end towards the front side of the
- Application roller 09 is located, but laterally beyond the escape of a maximum to be coated substrate width.
- Coating device 07; 43 be stored so that they are on with their edge in the intended tracks against the lateral surface 08 on and off again. This can be realized, for example, by means of an articulated mounting of the doctor blades 13 on a traverse 28.
- the doctor blades 13 are fixed directly or via elastically deformable holding means 29 on a traverse 28 and by the respective associated actuators 14 under reversible deformation of the doctor blade 13 and / or the holding means 29 with its effective edge between a Anstell- and a parking position AN; AB relocatable.
- different holding means 29 are provided by the doctor blade 13, they can be made by individual resilient plate or spring plate stiffeners 29 or else by tongues 29 of a single-sided multi-cut spring plate 31 (see, for example, FIG.
- the respective doctor blade 13 is fastened here via a fastening means 46 on the respective holding means 29.
- the actuators 14 are stored such that they are middle or immediate in
- Active contact with the squeegee blades 13 and their holding means 29 can occur. They are also arranged, for example, on the traverse 28 and cooperate with a magnetically attractable surface, which is provided on the doctor blade 13 or on the optionally provided holding means 29. This can, for example, a the inactive
- Electromagnet 14 via a gap opposite surface on a leg 48 of an L-shaped tension element 47, which is arranged with its other leg 48 on the holding means 29 or the doctor blade 13.
- a defined bending of the doctor blade holding means arrangement takes place when tilting the
- the L-shaped tension member 47 may be designed so that it at the same time, for example, a clamping connection forming fastener 46 includes.
- An above-mentioned coating device 07; 43 by means of which the 01 supporting substrate 02 based on digital data for a - preferably indirect - non-impact coating method, ie without solid coating form, with variable in number and / or size and / or shape and / or position coating agent-free areas 04; 04 'or recesses 04; 04 'is provided in a preferred application in a printing press, which comprises a printing material feed 32, a printing work 33 which works according to a non-impact method and / or is operable for short, inkjet printing.
- Compressor 33, as well as a product receptacle 34 includes.
- Such a printing unit 33 can thereby several successive to be traversed
- Print spots and / or inkjet printheads or printhead groups 36; 37; 38; 39 include, through which the substrate 02 successively multi-color printable.
- the printing material supply 32 z.
- a sheet feeder or in particular a Rollenabwickler 32 is to be printed arcuate or preferably web-shaped substrate 02nd
- the printed and coated printing substrate 02 can be further processed by the product receptacle 34 and / or in a container, eg a container.
- a container eg a container.
- the running example, as a paint device 07 coating device 07 is the printing unit 33 and in particular a downstream of the printing unit 33
- the printing unit 33 may be arranged upstream in the Bedruckstoffweg an applicator 43 for the order of the so-called.
- Primer 06 ' possibly with downstream dryer 44, may be provided, which in the above manner as
- Coating device 43 may be executed.
- the coating is thus based on digital data for a - preferably indirect - non-impact coating method, d. H. without solid coating form, variable in number and / or size and / or shape and / or position
- coating agent-free areas 04; 04 'or recesses 04; 04 ' are coated with coating agent-free areas 04; 04 'or recesses 04; 04 '.
- this is done by one with the substrate 02 to the coating cooperating application roller 09 on a continuous roll width b09 with coating agent 06; 06 'is acted upon, the applied coating agent 06; 06 'is selectively removed again from the lateral surface 08 of the applicator roller 09 before reaching the contact zone 02 formed with the printing material 02, and then the remaining on the lateral surface 08 or left
- Substrate 02 is delivered to this.
- the removal is preferably carried out by pulsed to Nutzphasenlage setting of subsets of the number of axially offset from each other, mechanically independent of the outer surface 08 of the applicator roll on and off adjustable Abzugs instituten 13, in particular doctor blades 13.
- the substrate 02 before or after coating d. H. in which the coating device 07; 43 upstream or downstream, in-line in a non-impact process, in particular in the inkjet process, one or more times printed.
- the described coating device 07; 43 is also optional for one
- full-surface coating operable or usable, in this mode all or at least aligned with the substrate width and / or width utility
- the affected production period it is possible for the affected production period to be activated or employed laterally for the printing stock flow or in-use withdrawal.
- Holding means sheet metal strips, spring strip, tongue spring plate
- Printing unit inkjet printing unit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Printing Methods (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Ink Jet (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017212828.3A DE102017212828A1 (en) | 2017-07-26 | 2017-07-26 | Device for coating benefits, a printing machine and method for coating benefits |
PCT/EP2018/062522 WO2019020236A1 (en) | 2017-07-26 | 2018-05-15 | Device for coating panels, printing press, and method for coating panels |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3658379A1 true EP3658379A1 (en) | 2020-06-03 |
EP3658379B1 EP3658379B1 (en) | 2021-04-07 |
Family
ID=62186445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18725181.4A Active EP3658379B1 (en) | 2017-07-26 | 2018-05-15 | Device and method for coating printed blanks and printing machine |
Country Status (5)
Country | Link |
---|---|
US (1) | US20200122454A1 (en) |
EP (1) | EP3658379B1 (en) |
CN (1) | CN111065519B (en) |
DE (1) | DE102017212828A1 (en) |
WO (1) | WO2019020236A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021108143A1 (en) | 2021-03-31 | 2022-10-06 | Koenig & Bauer Ag | Method of operating an inkjet printing machine with a primer |
FR3136686A1 (en) * | 2022-06-15 | 2023-12-22 | A.2.C | Reserve gluing system |
CN117183578B (en) * | 2023-11-03 | 2024-01-26 | 博感科技(江苏)有限公司 | Positioning detection method and printing method for telescopic printing substrate |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19617746B4 (en) * | 1996-05-03 | 2005-05-25 | Heidelberger Druckmaschinen Ag | Inking unit for a printing press |
DE10052011A1 (en) * | 2000-10-20 | 2002-04-25 | Heidelberger Druckmasch Ag | Inking unit in a printing press |
DE10057641A1 (en) | 2000-11-16 | 2002-05-23 | Koenig & Bauer Ag | Process and device for producing spot coatings on substrates in large format printing machines |
DE10235872A1 (en) * | 2002-07-30 | 2004-02-19 | Ebe Hesterman | Satellite printing machine for printing on arched substrates |
DE10236781B4 (en) | 2002-08-14 | 2009-11-19 | Manroland Ag | Coating device for a printing or coating machine |
DE102005021185A1 (en) * | 2004-05-03 | 2005-11-24 | Man Roland Druckmaschinen Ag | Opaque white application method e.g. for effect coatings on print substrate, providing over print after covering is dried and hardened so that the coating application can be printed by several ink jet print heads directly by printing |
DE102004048150B4 (en) * | 2004-10-02 | 2015-10-29 | Koenig & Bauer Ag | Inking unit for a printing press |
DE102009002228B4 (en) | 2009-04-06 | 2015-01-08 | Koenig & Bauer Aktiengesellschaft | Coating unit of a roll-rotary offset printing machine |
US8573121B2 (en) * | 2011-06-09 | 2013-11-05 | Xerox Corporation | Methods, apparatus, and systems for erasing ink history from ink transfer roll in digital offset systems |
US9114604B2 (en) * | 2012-06-13 | 2015-08-25 | Xerox Corporation | Method and apparatus for applying a release agent to a substrate having a print image |
DE102013219259A1 (en) | 2013-09-25 | 2015-03-26 | Koenig & Bauer Aktiengesellschaft | Printing machine, printing ink and method for printing a printing substrate |
CN203945802U (en) * | 2014-05-16 | 2014-11-19 | 湛江卷烟包装材料印刷有限公司 | A kind of UV gloss oil group glazing device |
US10744755B2 (en) * | 2014-12-29 | 2020-08-18 | Hp Indigo B.V. | Application of coating fluid using movable rollers |
WO2016116168A1 (en) * | 2015-01-23 | 2016-07-28 | Hewlett-Packard Indigo B.V. | A roller arrangement, forming a pattern, and printing a pattern |
DE102016207398B3 (en) * | 2015-09-09 | 2016-08-18 | Koenig & Bauer Ag | Machine arrangement for the sequential processing of a plurality of arcuate substrates each having a front side and a rear side |
CN205112652U (en) * | 2015-11-09 | 2016-03-30 | 中山市金海包装科技有限公司 | Radium -shine paper lithography apparatus of cryodrying formula |
CN205915803U (en) * | 2016-06-16 | 2017-02-01 | 广州市奈本印刷机械有限公司 | Reticulation burnishing -in oil device |
-
2017
- 2017-07-26 DE DE102017212828.3A patent/DE102017212828A1/en not_active Withdrawn
-
2018
- 2018-05-15 WO PCT/EP2018/062522 patent/WO2019020236A1/en unknown
- 2018-05-15 US US16/610,927 patent/US20200122454A1/en not_active Abandoned
- 2018-05-15 CN CN201880030157.5A patent/CN111065519B/en not_active Expired - Fee Related
- 2018-05-15 EP EP18725181.4A patent/EP3658379B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3658379B1 (en) | 2021-04-07 |
CN111065519A (en) | 2020-04-24 |
US20200122454A1 (en) | 2020-04-23 |
CN111065519B (en) | 2020-12-25 |
DE102017212828A1 (en) | 2019-01-31 |
WO2019020236A1 (en) | 2019-01-31 |
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