EP3887164A1 - Trocknungseinheit zum trocknen bedruckter substrate - Google Patents
Trocknungseinheit zum trocknen bedruckter substrateInfo
- Publication number
- EP3887164A1 EP3887164A1 EP19795139.5A EP19795139A EP3887164A1 EP 3887164 A1 EP3887164 A1 EP 3887164A1 EP 19795139 A EP19795139 A EP 19795139A EP 3887164 A1 EP3887164 A1 EP 3887164A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- cylinder
- printing
- substrates
- drying unit
- 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
- 239000000758 substrate Substances 0.000 title claims abstract description 149
- 238000001035 drying Methods 0.000 title claims abstract description 143
- 238000007639 printing Methods 0.000 claims abstract description 203
- 239000011261 inert gas Substances 0.000 claims abstract description 54
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000001301 oxygen Substances 0.000 claims abstract description 47
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000012080 ambient air Substances 0.000 claims abstract description 18
- 238000010894 electron beam technology Methods 0.000 claims description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 7
- 238000007646 gravure printing Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229910018503 SF6 Inorganic materials 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 2
- 239000001569 carbon dioxide Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229910052734 helium Inorganic materials 0.000 claims description 2
- 239000001307 helium Substances 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052743 krypton Inorganic materials 0.000 claims description 2
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052754 neon Inorganic materials 0.000 claims description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 2
- 229910052704 radon Inorganic materials 0.000 claims description 2
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 2
- 229910052724 xenon Inorganic materials 0.000 claims description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000976 ink Substances 0.000 description 39
- 239000000126 substance Substances 0.000 description 27
- 239000004922 lacquer Substances 0.000 description 17
- 239000003570 air Substances 0.000 description 13
- 238000001227 electron beam curing Methods 0.000 description 10
- 238000000576 coating method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000007645 offset printing Methods 0.000 description 7
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 6
- -1 acrylic acrylates Chemical class 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical class OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 5
- 238000009776 industrial production Methods 0.000 description 5
- 239000002966 varnish Substances 0.000 description 5
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 230000000284 resting effect Effects 0.000 description 4
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000004359 castor oil Substances 0.000 description 2
- 235000019438 castor oil Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- UFUASNAHBMBJIX-UHFFFAOYSA-N propan-1-one Chemical compound CC[C]=O UFUASNAHBMBJIX-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CYIGRWUIQAVBFG-UHFFFAOYSA-N 1,2-bis(2-ethenoxyethoxy)ethane Chemical compound C=COCCOCCOCCOC=C CYIGRWUIQAVBFG-UHFFFAOYSA-N 0.000 description 1
- JEAPEYGGHJNSII-UHFFFAOYSA-N 1-(4-morpholin-4-ylphenyl)butan-2-one Chemical compound C1=CC(CC(=O)CC)=CC=C1N1CCOCC1 JEAPEYGGHJNSII-UHFFFAOYSA-N 0.000 description 1
- YIKSHDNOAYSSPX-UHFFFAOYSA-N 1-propan-2-ylthioxanthen-9-one Chemical compound S1C2=CC=CC=C2C(=O)C2=C1C=CC=C2C(C)C YIKSHDNOAYSSPX-UHFFFAOYSA-N 0.000 description 1
- FWQJYIDNAYBUMM-UHFFFAOYSA-N 3-[3-(3-prop-2-enoyloxypropoxy)propoxy]propyl prop-2-enoate Chemical compound C=CC(=O)OCCCOCCCOCCCOC(=O)C=C FWQJYIDNAYBUMM-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 101001047746 Homo sapiens Lamina-associated polypeptide 2, isoform alpha Proteins 0.000 description 1
- 101001047731 Homo sapiens Lamina-associated polypeptide 2, isoforms beta/gamma Proteins 0.000 description 1
- 102100023981 Lamina-associated polypeptide 2, isoform alpha Human genes 0.000 description 1
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 description 1
- VEBCLRKUSAGCDF-UHFFFAOYSA-N ac1mi23b Chemical compound C1C2C3C(COC(=O)C=C)CCC3C1C(COC(=O)C=C)C2 VEBCLRKUSAGCDF-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- IDSLNGDJQFVDPQ-UHFFFAOYSA-N bis(7-oxabicyclo[4.1.0]heptan-4-yl) hexanedioate Chemical compound C1CC2OC2CC1OC(=O)CCCCC(=O)OC1CC2OC2CC1 IDSLNGDJQFVDPQ-UHFFFAOYSA-N 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000000412 dendrimer Substances 0.000 description 1
- 229920000736 dendritic polymer Polymers 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- ZDHCZVWCTKTBRY-UHFFFAOYSA-N omega-Hydroxydodecanoic acid Natural products OCCCCCCCCCCCC(O)=O ZDHCZVWCTKTBRY-UHFFFAOYSA-N 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- KRIOVPPHQSLHCZ-UHFFFAOYSA-N propiophenone Chemical compound CCC(=O)C1=CC=CC=C1 KRIOVPPHQSLHCZ-UHFFFAOYSA-N 0.000 description 1
- 238000003847 radiation curing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 125000005409 triarylsulfonium group Chemical group 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 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
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/045—Drying sheets, e.g. between two printing stations by radiation
- B41F23/0453—Drying sheets, e.g. between two printing stations by radiation by ultraviolet dryers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/045—Drying sheets, e.g. between two printing stations by radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0486—Particular types of dryers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F9/00—Rotary intaglio printing presses
- B41F9/02—Rotary intaglio printing presses for multicolour printing
- B41F9/021—Sheet printing presses
Definitions
- the invention relates to a drying unit for drying printed substrates according to the preamble of claim 1.
- DE 101 41 755 A1 discloses a drying system for radiation drying of paints and / or lacquers and / or coatings on substrates on printing and / or coating machines, consisting of a radiator module and an inerting chamber, the inerting chamber consisting of a base body, a nozzle system , side sealing elements and an inlet and a
- outlet element There is outlet element, the lateral sealing elements and the outlet element, the inerting chamber from the sheet-guiding cylinder and the inlet element, the inerting chamber from the cylinder gap between the sheet-guiding cylinder and the cylinder, viewed in the paper flow direction, upstream of the drying system and sealed on the base body of the inerting chamber
- Drying radiation permeable area is formed. UV lamps or so-called excimer UV lamps are used as emitters for the drying processes. Nitrogen is mostly used as the inert gas. With the desired inerting, the remaining oxygen content should be reduced to a value below one percent if possible.
- Sheet printing machines are known, the dryer being assigned along the sheet conveying path to the sheet conveyed to a sheet-guiding cylinder and at least one excimer emitter and at least one inert gas blower being surrounded by a bell, the bell being composed of side parts and there is an upper region extending over the width of the sheet conveying path with inlet and outlet part and the bell with the sheet-guiding cylinder and with at least one further cylinder encloses the interior.
- EP 2 982 510 A1 is a printing unit without a printing form in a hybrid
- Sheetfed offset printing machine for the printing sheet to be processed
- Delivery area of the hybrid sheetfed offset printing machine is integrated, whereby in the hybrid sheetfed offset printing machine printing sheets with a static single or multi-color print image in the offset printing process and with a variable,
- a modular printing unit which has at least one inkjet print head and the structure of which is variable, the functional structure of the modular printing unit being formed from further module units and the
- Module units depending on a given printing task and one or more selectable framework conditions can be selected and arranged in the hybrid sheetfed offset printing machine in a configurable and positionable manner in the hybrid sheetfed offset printing press based on at least one parameter set from a given print subject, quantity to be printed, quality requirements for the print, printing material, coating material, drying conditions.
- EP 0 830 217 B1 discloses a device for hardening a layer of printing ink, lacquer, adhesive or silicone, with which a substrate made of paper, plastic, glass, wood or metal is coated, with a housing facing in the direction is open to a transport body transporting the substrate and the substrate underneath
- At least one purge gas line is connected on the one hand to a purge gas source and on the other hand to the interior of the housing via a nozzle, in addition to the substrate inlet gap and the
- Substrate outlet gap are preferably provided with purging gas nozzles that can be cooled with water, the flow direction angles of which can be adjusted with respect to the substrate passing through and which are in flow connection with a gas flow direction and quantity regulator, wherein a temperature control device is provided for cooling the substrate passing through, the purging gas nozzles being provided on the housing side walls, and wherein cooling channels are arranged in the housing, the reflector and the transport body.
- JP H04-145400 A has arranged one in a sheet-fed printing press
- Electron beam device for drying ink applied to printed sheets is known, the drying chamber being filled with an inert gas (nitrogen).
- Excimer emitters and blow nozzles arranged within the inerting chamber, the blow nozzles being designed to be throttled and / or detachable in regions over the width of the printing material web, and a control device which detects the front and rear edge of the printing material and controls blowing nozzles and / or excimer lamps is arranged upstream of the blowing nozzles and / or excimer lamps .
- WO 2005/097927 A1 discloses a method for printing, in which an ink is printed using an Intaglio printing machine on a substrate, in which the ink is hardened after printing, in which the hardening, for. B. done by an electron beam. This method is e.g. B. used for the production of banknotes.
- DE 10 2006 032 679 A1 discloses a method for producing a security element for a security paper, security document or the like with a substrate, the substrate being at least partially equipped with a coating comprising at least two layers, with the steps
- the application of the layers e.g. B. is carried out by a printing process, in particular gravure, flexographic or offset printing, the hardening of the layers z. B. by ultraviolet radiation and / or by electron radiation.
- Sheet guiding cylinder has first holding means for holding the front edge of the substrate and second holding means are provided which hold the substrate in one of the
- Hold the substrate leading edge spaced area on the sheet guide cylinder and the substrate guided by the sheet guide cylinder can be acted upon with inert gas, a third holding means being arranged outside the periphery of the sheet guide cylinder.
- the invention has for its object to provide a drying unit for drying printed substrates, the drying unit in an industrial production process for the highest possible printing speed in one
- Printing machine is suitable.
- Drying unit of the printing press in an industrial production process is suitable for the highest possible printing speed of the printing press. Further advantages are evident from the exemplary embodiments described.
- 1 shows a printing press with at least one printing unit
- FIG. 3 shows a detail from the printing press shown in FIG. 1 with a first arrangement of a drying unit for electron beam curing in the printing unit;
- FIG. 4 shows a detail from the printing press shown in FIG. 1 with a second arrangement of a drying unit for electron beam curing in the printing unit;
- FIG. 5 shows a detail from the printing press shown in FIG. 1 with an arrangement of a drying unit for electron beam curing on an intermediate cylinder;
- Fig. 6 shows a section of a printing press with an arrangement of a
- FIG. 7 shows a drying unit attached to a suction cylinder
- FIG. 8 shows a drying unit for electron beam curing in connection with a plurality of suction rolls
- FIG. 9 shows a drying unit that can be used as an independent structural unit.
- the printing machine is e.g. B. as one
- Formed sheet-fed printing press preferably as a sheet-fed rotary printing press, in particular as a sheet-fed gravure printing press, very particularly as a sheet-fed rotary printing press printing in an intaglio printing process.
- the intaglio printing process is a gravure printing process which is preferably used for the industrial production of banknotes, security documents or security elements.
- a) a sheet feeder 01 by means of which a substrate 21 to be printed in the form of, in particular, stacked printed sheets 21 is provided or at least can be provided on the sheet-fed rotary printing press; the rectangular printed sheets 21 have z.
- a sheet feeder 02 by means of which sheet feeder 01 is provided Sheet 21 z.
- a printing unit 03 of the sheet-fed rotary printing press in a sequence, that is to say fed one after the other or at least can be fed;
- At least one printing unit 03 which also has a counter-pressure cylinder
- cooperating plate cylinder 06 applying a print image to the relevant printing sheet 21, the printing cylinder 04 and plate cylinder 06 being positioned against one another under high pressure or at least adjustable; a wiping cylinder 07 is set against the plate cylinder 06 or at least set up; the
- Printing cylinder 04 and plate cylinder 06 are preferably made of steel; the wiping cylinder 07 is on its outer surface z. B. coated with a plastic;
- the pressure cylinder 04 and the plate cylinder 06 are each divided on their circumference into several, in particular into three segments of the same size, wherein in each of the segments arranged one behind the other on the pressure cylinder 04, z. B. a blanket is arranged or at least can be arranged on a base;
- Orlofylinder 08 called collecting cylinder 08;
- the Orlof cylinder 08 preferably has three segments of the same size on its circumference, like the impression cylinder 04 and plate cylinder 06;
- an inking unit 09 having several, z. B. five or six stencil cylinders 11 which are respectively engaged or at least positionable on the Orlof cylinder 08, on the circumference of which a stencil plate is arranged or at least can be arranged; each of the stencil cylinders 11 ink the Orlof cylinder 08 preferably with a different printing ink, the Orlof cylinder 08 during a single revolution of the respective printing ink of all employees
- Stencil cylinders 11 collects; one or more inking rollers 12 are set or at least can be set on each stencil cylinder 11, the inking rollers 12 each being provided by a printing ink from a color reservoir 14, e.g. B. from a color box taking ink duct 13; the design of the printing press described here accordingly enables multi-color printing of the printed sheets 21 at a single printing point; alternatively or in addition to the inking unit 09, a coating unit can also be provided for applying a coating to the respective printed sheets 21;
- Chain system in particular chain gripper system designed transport device 16, to which printed sheets 21 printed in a printing gap 17 between the printing cylinder 04 and the plate cylinder 06 directly or via at least one intermediate cylinder 36; 37 are transferred, whereby to the transport device 16 transferred sheet 21 by means of this z.
- B. designed as a multi-stack delivery 18, here sheet delivery 18, transported or at least transportable and stored there or at least can be stored;
- the sheet delivery 18 in the transport direction T of the printed sheet 21 z. B. three consecutive stacks; in the field of
- Transport device 16 is usually a z. B. arranged optoelectronic, preferably camera-based inspection system 19, by means of which a quality of the printed printed sheets 21 is checked or at least can be checked; the printed sheets 21 are checked in particular for freedom from errors in comparison with a predetermined template; depending on this test result the
- Printed sheets 21 are then placed on a specific stack of the multi-stack delivery.
- the printing ink applied to the printing sheets 21 and / or the lacquer applied to the printing sheets 21 are preferably dried.
- Non-running, ie viscous printing inks and / or lacquers are preferably used.
- radiation-curing printing inks and / or lacquers are used.
- solvent-free printing inks and / or lacquers curable by an electron beam are used.
- Such printing inks and / or lacquers polymerize when irradiated with an electron beam within milliseconds and are thus dried in an extremely short time.
- a color film or lacquer film consisting of such printing inks and / or lacquers is completely polymerized and is therefore also fully hardened, so that after drying in the printing inks or lacquers no fragments or
- the oxygen content is at most 1%, preferably in a range between 300 ppm and 500 ppm, in particular in the range between 150 ppm and 250 ppm, possibly even lower to the range of less than 50 ppm, the permissible in the inert atmosphere
- Oxygen content depends on the material of the substrate 21 used and / or on the chemical composition of the printing ink (s) or lacquers used. Otherwise, ie with a higher oxygen content, free radicals contained in the still liquid printing inks or varnishes, i.e. H. Atoms or groups of atoms, each containing a free electron, react chemically faster with the oxygen molecules contained in this air than with each other and only form an incomplete, uneven crosslinking. This is particularly true under normal ambient air with an oxygen content of around 21%. In an atmosphere with an oxygen content of more than 1%, especially under ordinary ambient air, the setting reaction leads to the printing inks or varnish still being wet, sticky and without gloss and over bad
- An inert gas prevents oxidative processes due to the displacement or significant reduction of oxygen.
- the term "atmosphere" is used here and in the following - as far as the volume of the
- Drying unit 22 related - holistically that through the inert gas
- FIG. 2 illustrates the principle of action of radiation drying with an electron beam. Even if the examples described below primarily relate to the drying of printing inks, they also apply in a corresponding manner to the drying of lacquers.
- the entrance to the chamber 23 is generally designed as a narrow slot extending transversely to the transport direction T of the printed sheets 21 over their entire width.
- an inert gas is introduced into the chamber 23, in particular a remotely operable filling nozzle 26, this filling nozzle 26 being connected to an inert gas source, e.g. B. is connected to a tank.
- a sensor 27 for measuring the oxygen content in the chamber 23 containing the inert gas is preferably provided.
- the filling nozzle 26 is preferably controlled or at least controllable as a function of a measurement result from the sensor 27 for measuring the oxygen content in the chamber 23 containing the inert gas with regard to the inlet of inert gas into the chamber 23. Accordingly, if a filling nozzle 26 connected to the inert gas source, in particular a remotely operable filling nozzle 26 and a sensor 27 for measuring the oxygen content present in this chamber 23 are provided in the chamber 23 of the drying unit 22, then the oxygen content in the inert atmosphere prevailing in this chamber 23 is advantageously e.g. B. from a control unit in particular automatically, depending on a measurement result of the sensor 27 for measuring the oxygen content and / or depending on the material of the to be dried
- the drying unit 22 has an electron beam generator 28, which is arranged in a vacuum chamber 29.
- the vacuum chamber 29 and the chamber 23 filled with the inert gas are spatially separated from one another by a window.
- the window has a closure 31 z. B. from a titanium foil in a material thickness in the range of z. B. 0.01 mm and 0.3 mm, preferably at about 0.2 mm.
- the electron beam generator 28 has a cathode 32 z. B. in the form of a filament and an anode 33 spaced from the cathode 32. Electrons emerging from the cathode 32 are accelerated to almost the speed of light by an electrical voltage applied between the cathode 32 and the anode 33 in the direction of the anode 33.
- the electrical voltage for accelerating the electrons is dependent on a nature, e.g. B. chemical composition of the printing inks used and / or the desired depth of penetration into these printing inks and / or from the material of the substrate 21 used in the region z. B. between 80 keV and 300 keV.
- B. chemical composition of the printing inks used and / or the desired depth of penetration into these printing inks and / or from the material of the substrate 21 used in the region z. B. between 80 keV and 300 keV.
- the so accelerated high-energy electrons penetrate the z. B. from the thin titanium foil closure 31 of the window and preferably meet in
- Electron beam generator 28 electrons shot onto the substrate 21 is large enough to generate the first radicals in the printing inks and polymerize directly in the monomers (thinners) or oligomers (binders) of these
- Oligomers used in inks suitable for an intaglio printing process include e.g. B. epoxy acrylates, acrylated oils, urethane acrylates, polyester acrylates,
- Silicone acrylates acrylated amines, acrylic-saturated resins and acrylic acrylates.
- diluents are required to reduce the overall viscosity of an electron beam curing ink and thereby aid in the handling and use of these inks, e.g. B. make these inks suitable for wiping on the plate cylinder 06 by the wiping cylinder 07.
- Suitable diluents can be water or include "reactive" monomers incorporated into the ink in question.
- Reactive monomers are typically acrylates or methacrylates and can be monofunctional or multifunctional. Examples of multifunctional monomers would be polyester acrylates or polyester methacrylates, polyol acrylates or polyomethacrylates and polyether acrylates or polyether methacrylates.
- Ebecryl TM 265 (Eb 265) Cytec Surface Urethane Acrylate Oligomer (aliphatic, 30th
- Ebecryl TM 220 (Eb 220) Cytec Surface Urethane Acrylate Oligomer (Aromatic, 40.0
- Irgacure TM 369 (IR 369) Ciba Specialty 2-benzyl-2-dimethylamino-1- 0.2
- the drying unit 22 has one
- Electron beam generator 28 by means of which high-energy electrons are shot onto the substrate 21.
- a first arrangement variant provides for the entire printing press to be arranged in a housing which is sealed with respect to the ambient air, an inert atmosphere with an oxygen content of at most 1% being provided in the interior of the housing.
- the chamber 23 of the drying unit 22 which contains the inert gas is in this case realized by housing the printing press.
- the printed sheets 21 to be printed are fed to the printing press through an inlet lock formed on the housing and discharged from the printing machine through an outlet lock formed on the housing.
- the drying unit 22 is at this first
- a second arrangement variant provides for the drying unit 22 to be arranged in the printing unit 03 of the printing press.
- Drying unit 22 is arranged in the printing unit 03 in such a way that at least one arc section of the printing cylinder 04 is arranged within this chamber 23.
- Fig. 3 shows a section of the printing press shown in Fig. 1, with an arc section of the printing cylinder 04 and an arc section of the same
- Pressure cylinder 04 cooperating plate cylinder 06 are arranged within the chamber 23 containing the inert gas.
- a preferably flexible seal 34 is arranged on the chamber 23 containing the inert gas, which seals this chamber 23 on the respective end faces of the pressure cylinder 04 and plate cylinder 06 and on the outer surface of the plate cylinder 06 and, if appropriate, on the pressure gap 17 formed by the pressure cylinder 04 and plate cylinder 06 and seals against the ambient air at an outlet from the chamber 23 on the dried substrate 21 resting on the outer surface of the rotating printing cylinder 04.
- the printing cylinder 04 and the plate cylinder 06 are set against one another under high pressure in the printing gap 17 formed by them in a printing process carried out by the printing press in question, and the cylinders 04; 06 in the pressure gap 17 formed by them already one axially to these cylinders 04; 06 form a running seal for the chamber 23 containing the inert gas.
- Substrates 21, in particular printing sheets 21, dried by means of the drying unit 22 are transferred from the printing cylinder 04 to the printing cylinder 04 in the transport direction T
- FIG. 4 likewise shows a section of the printing press shown in FIG. 1, only one arc section of the printing cylinder 04 being arranged inside the chamber 23 containing the inert gas.
- a preferably flexible seal 34 Arranged on the chamber 23 containing the inert gas is a preferably flexible seal 34, which seals this chamber 23 against the ambient air at the end faces of the pressure cylinder 04 and at an outlet from the chamber 23 on the dry substrate 21 resting on its outer surface.
- a narrow slot is formed which extends transversely to the transport direction T of the substrate 21 over its entire width, through which slot a substrate 21 resting on the outer surface of the printing cylinder 04 is introduced into the chamber 23 of the drying unit 22 or at least can be inserted , a knife nozzle 24, in particular in the form of a nozzle bar, being arranged alongside this slot in order to prevent the inert gas from escaping from the chamber 23 and / or oxygen from the ambient air entering this chamber 23 at this inlet. Also in this embodiment, the
- Drying unit 22 transfers dried substrates 21, in particular printing sheets 21, from the printing cylinder 04 to a transport device 16 following the printing cylinder 04 in the transport direction T of the printing sheets 21.
- FIG. 5 also shows a section of the printing press shown in FIG. 1, in contrast to the embodiment shown in FIG. 1 in the
- Printing gap 17 between printing cylinder 04 and plate cylinder 06 printed printing sheets 21 via two intermediate cylinders 36 arranged one after the other in transport direction T of printing sheets 21; 37 are transferred to the transport device 16.
- the drying unit 22 is connected to one of the intermediate cylinders 36; 37 is arranged.
- a preferably flexible seal 34 is in turn arranged on the chamber 23 containing the inert gas, which seals this chamber 23 on the end faces of the relevant intermediate cylinder 36; 37 and at an outlet from chamber 23 on the outer surface of the relevant Intermediate cylinder 36; 37 overlying dry substrate 21 against each
- Drying unit 22 is introduced or at least insertable, a doctor nozzle 24, in particular in the form of a nozzle bar, being arranged along this slot, in order to prevent the inert gas from escaping from the chamber 23 and / or oxygen from the ambient air into this chamber at this inlet 23 occurs.
- the drying unit 22 on or at least in connection with the z. B. is arranged as a conveyor belt formed transport device 16.
- a preferably flexible seal 34 is in turn arranged on the chamber 23 containing the inert gas, which seals this chamber 23 at the exit from the chamber 23 on the dry substrate 21 transported by the transport device 16 against the ambient air.
- a narrow slot is formed which extends across the entire width of the substrate T and extends through its slot, through which slot a substrate 21 transported by the transport device 16 is introduced into the chamber 23 of the drying unit 22 or at least can be inserted, whereby along this slot a doctor nozzle 24 in particular in the form of a
- Nozzle bar is arranged to prevent the inert gas from escaping from the chamber 23 and / or oxygen from the ambient air entering this chamber 23 at this inlet.
- the drying unit 22 having a chamber 23 containing the inert gas can, for. B. in the printing unit 03 of the printing press or on an intermediate cylinder 36 arranged in the transport direction T of the substrates 21 after the printing unit 03; 37 or on which the substrates 21 a display device 18 transporting transport device 16 may be arranged.
- Drying unit 22 for electron beam curing. 7 shows one to one
- Suction cylinder 38 employed drying unit 22 for electron beam hardening, the suction cylinder 38 having a special configuration, for. B. the pressure cylinder 04 or an intermediate cylinder 36; 37 and can have at least one arc section located within the chamber 23 of the drying unit 22. A first one immediately upstream of the suction cylinder 38 in the transport direction T of the substrates 21
- Transport device z. B. in the form of a conveyor belt, in particular a preferably a suction box 41 having suction belt 39, or a cylinder or a roller leads printed substrates 21 to the suction cylinder 38 sequentially, the suction cylinder 38 in succession on its lateral surface several, z. B. can accommodate three substrates 21, in particular designed as printed sheets 21. Substrates 21 supplied to the suction cylinder 38 are held on its outer surface by suction air. When the suction cylinder 38 continues to rotate, the printed substrates 21 are guided into the chamber 23 of the drying unit 22 through a narrow slot extending transversely to the transport direction T of the substrates 21 over their entire width. In the drying unit 22 is the
- Electron beam generator 28 which dries the printed substrates 21 by bombardment with high-energy electrons in the manner described above.
- the dry substrates 21 resting on the outer surface of the rotating suction cylinder 38 leave the drying unit 22 at the outlet of the chamber 23, the outlet of the chamber 23 being designed as a narrow slot extending transversely to the transport direction T of the substrates 21 and preferably through one in particular flexible seal 34 is sealed.
- Conveyor belt in particular one that preferably has a suction box 43 Suction belt 42, or a cylinder or a roller arranged, the dried substrates 21 z. B. transported to a display 18.
- the first pneumatic system uses a pump 44 and usually via appropriate lines z. B. on the suction cylinder 38 and / or on the suction box 41 of the suction belt 39 of the first transport device and / or on the suction box 43 of the suction belt 42 of the second transport device, the suction air required in each case for holding the substrates 21 to be transported is available.
- the second pneumatic system has an inert gas source z. B. in the form of a tank 46 to provide the required by the drying unit 22
- Inert gas wherein preferably the filling nozzle 26 arranged on the chamber 23 of the drying unit 22 and introducing inert gas into the chamber 23 is connected to this tank 46.
- the second pneumatic system has a z. B. with the suction cylinder 38 and on the output side connected to the tank 46 pump 47 to a substrate 21 which on the inside of the chamber 23 of the
- Drying unit 22 located arc section of the suction cylinder 38 is arranged to hold on the outer surface of this suction cylinder 38 by suction.
- the second pneumatic system also generates suction air, the suction air used in the second pneumatic system being inert, which is significantly reduced in oxygen compared to the ambient air usually used by the first pneumatic system
- first pneumatic system and the second pneumatic system are formed separately from one another, the first
- Pneumatic system on the suction cylinder 38 provides the suction air required to hold the substrates 21 to be transported if a substrate 21 held on the outer surface of the suction cylinder 38 is outside the chamber 23 of the
- Drying unit 22 is located, and that the second pneumatic system
- Printing unit 03 at least two interacting cylinders 04; 06, at least one of these cylinders 04; 06 is designed as a suction cylinder transporting the substrates 21 on its outer surface, a pneumatic system for providing the necessary suction air for holding the on the outer surface of the relevant cylinder 04; 06 substrates 21 to be transported is provided.
- a drying unit 22 is provided in or after the relevant printing unit 03 in the transport path of the substrates 21, substrates 21 printed by the printing unit 03 in question being guided or at least feasible through a chamber 23 of this drying unit 22, with a drying unit 22 in the chamber 23 oxygen-reduced gaseous medium is provided by an inert gas.
- the suction air provided in the pneumatic system for holding the substrates 21 to be transported on the outer surface of the relevant suction cylinder is the same gaseous medium as in the chamber 23 of the drying unit 22.
- one of the cylinders 04 interacting in the relevant printing unit 03 are as one printing cylinder 04 and the other cylinder 06 cooperating with the printing cylinder 04 are designed as a plate cylinder 06 applying a print image to the substrates 21 in question.
- the printing unit 03 in question is designed as a printing unit 03 printing in a gravure printing process, in particular in an intaglio printing process. Fig.
- FIG. 8 shows an embodiment of the drying unit 22 for electron beam curing, in which for the transport of the substrates 21 through the chamber 23 of the drying unit 22 in a vacuum chamber 29 having the electron beam generator 28 partially, for. B. semicircular enclosing housing 49 along the transport path of the substrates 21, a plurality of suction rollers 48 are provided, these suction rollers 48 conveying substrates 21 introduced by their respective rotation into the chamber 23 of the drying unit 22 from an inlet of the chamber 23 to the outlet thereof.
- the electron beam generator 28 is e.g. B. arranged in or near the center of the drying unit 22 and has a radially outwardly directed electron beam, the substrates to be dried 21 each with their printed side
- Electron beam generator 28 facing at least partially along its transport path, e.g. B. in a semicircle in an arc around the electron beam generator 28 having vacuum chamber 29 are or will be.
- the suction rollers 48 arranged along the transport path of the substrates 21 are each arranged on the side of the substrates 21 not to be dried, which are to be conveyed through the chamber 23 of the drying unit 22.
- the entrance of the chamber 23 and its exit are preferably each formed as a narrow slot extending transversely to the transport direction T of the substrates 21 over their entire width.
- a first transport device arranged in the transport direction T of the substrates 21 immediately before the entrance to the chamber 23 is e.g. B.
- a second transport device z. B. again in the form of a conveyor belt, in particular a suction belt 43 preferably having a suction box 43, or a cylinder or a roller, which the dried substrates 21 z. B. transported to a display 18.
- the first pneumatic system provides a pump 44 and corresponding lines z. B.
- the second pneumatic system has an inert gas source z. B. in the form of a tank 46 for providing the inert gas required by the drying unit 22, wherein the arranged on the chamber 23 of the drying unit 22, inert gas in the chamber 23 inlet filling nozzle 26 is connected to this tank 46. Furthermore, the second pneumatic system z. B.
- a pump 47 connected on the inlet side to the suction rollers 48 and on the outlet side to the tank 46, a substrate 21, which is conveyed through the suction rollers 48 on the transport path located within the chamber 23 of the drying unit 22, caused by a pump 47 Suction is kept on the intended transport route.
- a further measure for minimizing the escape of the oxygen-reduced gaseous medium, in particular inert gas from the chamber 23 and / or an undesired entry of oxygen from the ambient air into this chamber 23, consists of channels 51 or grooves 51 which connect the chamber 23 to the one
- Drying unit 22 at least partially, e.g. B. passed in an arc section Cylinders, e.g. B. on a pressure cylinder 04 or on a plate cylinder 06 or on an intermediate cylinder 36; 37 or are formed on a suction cylinder 38, each with a cover. If at least one gripper for holding a substrate 21 is arranged on the respective lateral surface of the relevant cylinder in such a way that at least one gripper for holding a substrate 21 is arranged transversely to the transport direction T of the substrates 21, the cover covering this duct 51 has the position of the gripper in question a recess.
- the cylinders 04; 06; 36; 37; 38 each without a gripper, ie without a mechanical gripper or in the case of interacting cylinders 04; 06 like that
- Printing cylinder 04 and the plate cylinder 06 at least one of these cylinders 04; 06 training without a gripper.
- substrates 21 to be arranged on their respective lateral surfaces are preferably held only by suction air.
- a transport device 16 designed as a transport belt for transporting substrates 21 without a gripper.
- a rotary printing press with at least one printing unit 03 for printing on substrates 21, a drying unit 22 being provided in or after the at least one printing unit 03 in the transport path of the substrates 21, substrates 21 printed by the at least one printing unit 03 through a chamber 23 of the latter Drying unit 22 are guided or at least feasible, wherein an atmosphere reduced in oxygen by an inert gas is provided in the chamber 23 of the drying unit 22, wherein the chamber 23 of the drying unit 22 has at least one arc section from a cylinder 04; 06; 36; 37; 38 encloses, this cylinder 04; 06; 36; 37; 38 in a channel 51, which extends transversely to the transport direction T of the substrates 21, at least one gripper for holding one of the substrates 21 on the lateral surface of the relevant cylinder 04; 06; 36; 37; 38, the channel 51 in question with a cover is covered, the cover having a recess at the location of the gripper in question, the cylinder 04; 06; 36; 37; 38 on its
- z. B. a rotary printing press with at least one printing unit 03 for printing on substrates 21, a drying unit 22 being provided in or after the at least one printing unit 03 in the transport path of the substrates 21, substrates 21 printed by the at least one printing unit 03 through a chamber 23 thereof Drying unit 22 are guided or at least feasible, wherein in the chamber 23 of the drying unit 22 an atmosphere reduced by an inert gas is provided, the chamber 23 of the drying unit 22 at least one arc section from a cylinder 04 transporting the substrates 21 to be dried; 06; 36; 37; 38 encloses, this cylinder 04; 06; 36; 37; 38 is designed without a gripper.
- a special design variant is e.g. B. in a rotary printing press with at least one printing unit 03 for printing on substrates 21, wherein in
- a drying unit 22 Transport path of the substrates 21 in or after the at least one printing unit 03, a drying unit 22 is provided, substrates 21 printed by the at least one printing unit 03 being guided or at least feasible through a chamber 23 of this drying unit 22, one in the chamber 23 of the drying unit 22 an oxygen-reduced atmosphere is provided by an inert gas, a plurality of suction rollers 48 being arranged in the chamber 23 of the drying unit 22 along the transport path of the substrates 21, the suction rollers 48 conveying the substrates 21 through this chamber 23 through their respective rotation.
- a concrete variant is also z. B. with a sheet printing machine given at least one printing unit 03 for printing on printing sheets 21, a drying unit 22 being provided in or after the at least one printing unit 03 in the transport path, printing sheets 21 printed by the at least one printing unit 03 being guided through a chamber 23 of this drying unit 22 or are at least feasible, wherein in the chamber 23 of the drying unit 22 an atmosphere reduced by an inert gas is provided, the
- Drying unit 22 has an electron beam generator 28 for drying the printed printed sheets 21 by means of an electron beam directed into the chamber 23, the atmosphere in the chamber 23 of the drying unit 22 having an oxygen content of at most 1%.
- a gravure printing machine with at least one printing unit 03 for printing printed sheets 21, wherein in the printing unit 03 in question a printing cylinder 04 and a plate cylinder 06 cooperating with this printing cylinder 04 are arranged, with a wiping cylinder 07 positioned or at least adjustable against the plate cylinder 06 being provided , in the transport path of the printed sheet 21 in or after the at least one printing unit 03 a
- Drying unit 22 is provided, wherein printed sheets 21 printed by the at least one printing unit 03 are guided or at least can be guided through a chamber 23 of this drying unit 22, the drying unit 22 being an electron beam generator 28 for drying the printed printed sheets 21 by means of one directed into the chamber 23 Has electron beam.
- Fig. 9 now shows a variant which is particularly suitable for retrofitting in a printing press.
- This embodiment variant affects one Drying unit 22 for drying printed substrates 21, preferably each formed as printed sheets 21, with a chamber 23 containing a gaseous medium, the gaseous medium contained in the chamber 23 being oxygen-reduced by an inert gas.
- This drying unit 22 forms in the preferred
- Embodiment an independent unit, which can also be added later
- the substrates 21 to be dried are guided through the chamber 23 of this drying unit 22 or at least can be guided.
- the chamber 23 has, in the transport direction T of the substrates 21, a preferably slot-shaped entrance, which extends transversely to the transport direction T of the substrates 21, for the substrates 21 to be guided into this chamber 23, the entrance for substrates 21 to be guided into the chamber 23 through a Roller gap 17 between two cylinders 04; 06 is formed.
- the respective direction of rotation of these two cylinders 04; 06 is indicated in FIG. 9 by an arrow indicating the direction of rotation.
- Electron beam provided. Especially in the latter embodiment i. V. m. an electron beam generator 28, the atmosphere, ie the gaseous medium in the chamber 23 - as already described above - has an oxygen content of at most 1%.
- the chamber 23 of this drying unit 22 in the transport direction T of the substrates 21 also has, in turn, a preferably slot-shaped outlet, which extends transversely to the transport direction T of the substrates 21, for the substrates 21 guided through this chamber 23, at this outlet as a seal against each other Escape of the oxygen-reduced gaseous medium, in particular from Inert gas from this chamber 23 and / or a preferably flexible seal 34 and / or a doctor nozzle 24 is or are arranged to prevent oxygen from the ambient air from entering this chamber 23.
- the two cylinders 04; 06 at the entrance to the chamber 23, a printing unit 03 is formed, one of the cylinders 04 being designed as a printing cylinder 04 and the other cylinder 06 being designed as a plate cylinder 06 which cooperates with the printing cylinder 04 and applies a print image to the substrates 21 in question.
- the printing unit 03 formed at the entrance to the chamber 23 of the drying unit 22 is, for. B. as one in one
- a transport device 16 is advantageously provided, the
- Transport device 16 is arranged to lead the substrates 21 through the chamber 23, the transport device 16 being designed as a preferably rotating conveyor belt or as a preferably rotating chain system, in particular as a chain gripper system. It can also be provided that at least one of the two cylinders 04; 06 is designed as a suction cylinder. Alternatively or additionally, e.g. B. at least one of the two cylinders 04; 06 in a channel 51 extending transversely to the transport direction T of the substrates 21, at least one gripper for holding one of the substrates 21 on the lateral surface of the relevant cylinder 04; 06 on.
- the channel 51 in question is preferably covered with a cover, the cover having a recess at the location of the gripper in question.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Printing Methods (AREA)
- Rotary Presses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018130280.0A DE102018130280A1 (de) | 2018-11-29 | 2018-11-29 | Trocknungseinheit zum Trocknen bedruckter Substrate |
PCT/EP2019/078622 WO2020108864A1 (de) | 2018-11-29 | 2019-10-22 | Trocknungseinheit zum trocknen bedruckter substrate |
Publications (2)
Publication Number | Publication Date |
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EP3887164A1 true EP3887164A1 (de) | 2021-10-06 |
EP3887164B1 EP3887164B1 (de) | 2022-10-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP19795139.5A Active EP3887164B1 (de) | 2018-11-29 | 2019-10-22 | Trocknungseinheit zum trocknen bedruckter substrate |
Country Status (6)
Country | Link |
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US (1) | US11220101B2 (de) |
EP (1) | EP3887164B1 (de) |
JP (1) | JP7029023B2 (de) |
CN (1) | CN112703113B (de) |
DE (1) | DE102018130280A1 (de) |
WO (1) | WO2020108864A1 (de) |
Families Citing this family (2)
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CN111976265A (zh) * | 2020-09-17 | 2020-11-24 | 浙江方邦机械有限公司 | 纯水墨高速凹版印刷机 |
DE102021105926A1 (de) | 2021-03-11 | 2022-09-15 | Koenig & Bauer Ag | Transportzylinder, Trocknungseinheit mit diesem Transportzylinder und Bogendruckmaschine mit dieser Trocknungseinheit |
Family Cites Families (23)
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DE1258876B (de) * | 1965-07-21 | 1968-01-18 | Kalle Ag | Vorrichtung zur Entnahme des jeweils obersten Bogens eines Stapels |
JPH04145400A (ja) * | 1990-10-06 | 1992-05-19 | Iwasaki Electric Co Ltd | 電子線照射装置 |
JPH11504850A (ja) * | 1995-05-04 | 1999-05-11 | ネッレ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 下地の上の層を硬化させる方法及び装置 |
DE19704284A1 (de) * | 1997-02-05 | 1998-10-01 | Saechsisches Inst Fuer Die Dru | Inertisierungseinrichtung für Strahlereinrichtungen zur Trocknung und/oder Härtung von Farben und/oder Lacken |
DE19857984B4 (de) * | 1998-12-16 | 2007-12-27 | Koenig & Bauer Aktiengesellschaft | Mit Excimer-Strahlern arbeitender Trockner in Bogendruckmaschinen |
DE10083500T1 (de) * | 1999-10-12 | 2002-01-31 | Toyo Ink Mfg Co | Verfahren und Vorrichtung zur Bestrahlung mit einem aktiven Energiestrahl |
DE10141755B4 (de) * | 2000-08-29 | 2011-04-28 | Sächsisches Institut für die Druckindustrie GmbH - Institut des Vereins Polygraph Leipzig e.V. | Trocknungsvorrichtung zur Strahlungstrocknung |
WO2003020522A1 (de) * | 2001-08-29 | 2003-03-13 | Eltosch Thorsten Schmidt Gmbh | Trocknungssystem zur strahlungstrocknung |
DE10302367A1 (de) * | 2003-01-22 | 2004-08-05 | Eltex-Elektrostatik Gmbh | Vorrichtung zum Ersetzen des Luftsauerstoffs durch ein Inertgas aus einer laminaren Luftgrenzschicht sowie Verwendung derselben |
US20070179211A1 (en) | 2004-04-01 | 2007-08-02 | Sun Chemical Corporatin | Energy-curable intaglio printing |
DE102006032679A1 (de) | 2006-07-13 | 2008-01-17 | Giesecke & Devrient Gmbh | Verfahren zur Herstellung eines Sicherheitselements |
EP1995062A1 (de) | 2007-05-25 | 2008-11-26 | Kba-Giori S.A. | Tiefdruckpressensysteme zum beidseitigem Bedrucken von Bogen, insbesondere zur Herstellung von Banknoten und ähnlichen Wertdokumenten |
US8534826B2 (en) * | 2010-02-22 | 2013-09-17 | Fujifilm Corporation | Inkjet recording apparatus and method |
DE102014003711A1 (de) * | 2013-04-05 | 2014-10-09 | Heidelberger Druckmaschinen Ag | Zylinder zum Transport von Druckbogen entlang eines UV- oder Elektronenstrahltrockners |
EP2987634A4 (de) * | 2013-04-15 | 2016-11-23 | Yamato Grand Co Ltd | Druckmaschine und uv-bestrahlungsverfahren dafür |
US9731498B2 (en) * | 2013-10-28 | 2017-08-15 | Hewlett-Packard Indigo B.V. | To apply a fluid to a substrate |
DE102014002907B3 (de) * | 2014-02-28 | 2015-03-05 | Heidelberger Druckmaschinen Ag | Vakuumtrommelsystem einer Bedruckstoffbogen verarbeitenden Maschine |
DE102015111525A1 (de) * | 2014-08-08 | 2016-02-11 | manroland sheetfed GmbH | Modulare Inkjet-Druckeinrichtung |
DE102015116491A1 (de) * | 2014-09-30 | 2016-03-31 | manroland sheetfed GmbH | Bogenrotationsoffsetdruckmaschine mit Einrichtungen für das gleichmäßige Trocknen von beidseitig bedruckten Druckbögen |
DE102016205769A1 (de) * | 2015-05-06 | 2016-11-10 | Heidelberger Druckmaschinen Ag | Bogentransporttrommel und Druckmaschine mit einer solchen Bogentransporttrommel |
DE102016200544B4 (de) | 2015-06-05 | 2023-06-07 | Koenig & Bauer Ag | Vorrichtung zur Behandlung von bogenförmigem Substrat |
EP3357693A4 (de) * | 2015-09-28 | 2019-03-06 | Think Laboratory Co., Ltd. | Tiefdruckvorrichtung mit zentraler trommel und tiefdruckverfahren sowie verfahren zur herstellung eines bedruckten artikels mit dieser vorrichtung |
DE102017202665A1 (de) * | 2016-03-23 | 2017-09-28 | Heidelberger Druckmaschinen Ag | Verfahren zum Tintenstrahldruck |
-
2018
- 2018-11-29 DE DE102018130280.0A patent/DE102018130280A1/de not_active Withdrawn
-
2019
- 2019-10-22 CN CN201980060594.6A patent/CN112703113B/zh active Active
- 2019-10-22 WO PCT/EP2019/078622 patent/WO2020108864A1/de unknown
- 2019-10-22 JP JP2021514361A patent/JP7029023B2/ja active Active
- 2019-10-22 US US17/276,552 patent/US11220101B2/en active Active
- 2019-10-22 EP EP19795139.5A patent/EP3887164B1/de active Active
Also Published As
Publication number | Publication date |
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JP7029023B2 (ja) | 2022-03-02 |
WO2020108864A1 (de) | 2020-06-04 |
CN112703113B (zh) | 2022-03-22 |
DE102018130280A1 (de) | 2020-06-04 |
CN112703113A (zh) | 2021-04-23 |
US11220101B2 (en) | 2022-01-11 |
EP3887164B1 (de) | 2022-10-12 |
JP2021526991A (ja) | 2021-10-11 |
US20210323300A1 (en) | 2021-10-21 |
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