DE102016214898A1 - Machine arrangement for the sequential processing of sheet-shaped substrates - Google Patents

Abstract

The invention relates to a machine arrangement for the sequential processing of sheet-shaped substrates, with a plurality of different processing stations, wherein one of the processing stations has a substrates printing non-impact printing device, as further each before the non-impact printing device arranged processing stations one primers each primers Primerauftrageinrichtung and a dryer for drying the primer applied to the respective substrates are provided, wherein the non-impact printing device having processing station comprises a printing cylinder, wherein the non-impact printing device is arranged on the circumference of the printing cylinder, wherein on the lateral surface of the printing cylinder four substrates are arranged one behind the other in the circumferential direction or at least can be arranged, wherein each of the substrates to be transported on the lateral surface of the printing cylinder in each case by means of at least one retaining element kraftschlü ssig and / or positively held, wherein in the transport direction of the substrates in question after the processing station with the non-impact printing device, a processing station with a dryer for drying the respective printed substrates is arranged, wherein in the transport direction of the respective substrates after the processing station with the dryer for drying the printed substrates a processing station with a painting and after the painting a processing station with a further dryer are provided.

Description

The invention relates to a machine arrangement for the sequential processing of sheet-shaped substrates according to claim 1.

By the WO 2004/013704 A1 is a digital printing machine for direct non-contact sheetfed printing with a circumferentially unformatted digital printing unit, with a digital printing unit downstream transport device, wherein the transport device on its circumference arc holding gripper, wherein the transport device preferably has a plurality of transport cylinders and / or conveyor belts and / or impression cylinders ,

By the EP 2 540 513 A1 a machine assembly for sequentially processing a plurality of arcuate each having a front side and a back having substrates, comprising a first impression cylinder and a second impression cylinder, wherein each at the periphery of the first printing cylinder at least one of the front of the respective substrate printing first non-impact printing device and in Direction of rotation of the first printing cylinder after the first non-impact printing device, a drying of the first non-impact printing device front side of the respective substrate drying dryer are arranged, wherein in each case on the circumference of the second printing cylinder at least one of the back of the substrate in question printing second non-printing Impact printing device and in the direction of rotation of the second printing cylinder after the second non-impact printing device a the non-impact printing device printed by the back of the respective substrate drying dryer are arranged wherein the first pressure cylinder and the second pressure cylinder are arranged forming a common nip, wherein the first pressure cylinder in this common nip transfers the respective front-side printed and dried substrate directly to the second pressure cylinder.

By the DE 103 12 870 A1 a digital printing machine for sheetfed printing is known, with a circumferentially unformatted digital printing unit, a digital printing unit downstream of the intermediate cylinder, which is at least partially coated with an elastic material, and an intermediate cylinder downstream impression cylinder, wherein the impression cylinder bow holding gripper and the intermediate cylinder at its Perimeter of the gripper receiving recesses.

By the DE 10 2014 010 904 B3 a device for printing on both sides of sheet-shaped substrates is known, wherein the printing material is guided on an impression cylinder by more than 360 °, wherein the printing material with the back side comes again in the effective range of a Farbauftragungseinheit, of which the substrate on an upstream impression cylinder already on the Perfecting printed side, wherein the inking unit between two downstream impression cylinders can be preferably pivoted, wherein the pivotable inking unit z. B. is an inkjet printhead.

By the DE 10 2009 000 518 A1 a sheet-fed printing machine is known, with a feeder for feeding sheet to be printed in the sheet-fed press, with at least one printing unit and / or coating unit for printing the sheet with a static, identical for all sheets printed image, with a boom for discharging printed sheet from the sheet-fed press, and with at least one integrally formed in the sheet-fed press formless printing device for printing the sheet with a particular dynamic, variable print image, the or each formless printing device is integrated controllable in the sheetfed press depending on process parameters or operating parameters or order parameters or quality parameters.

The invention has for its object to provide a machine arrangement for the sequential processing arcuate substrates.

The object is achieved by the features of claim 1. The respective dependent claims show advantageous embodiments and / or developments of the solution found.

The achievable with the invention advantages are apparent from the following explanations.

Moreover, the solution described can be used in a hybrid, arcuate substrate processing machine assembly, preferably in a hybrid printing machine, which achieves the high productivity of a conventional, e.g. B. in an offset printing process or in a flexographic printing process or in a screen printing process printing device or a coating device, in particular a coating unit variable in combination with at least one flexible each variable printing images printing, z. As used as an ink jet printer non-impact printing device uses, wherein both the conventional printing device or the coating device and the non-impact printing device in a current production inline at the optimum working speed. Such a hybrid machine arrangement is in particular for the production of packaging means, for. B. from sheet for the production of cartons very beneficial because each of the strengths of each of the printing devices are used, resulting in a flexible and economical production of packaging materials. A transport of arcuate substrates by means of rotational bodies, in particular cylinders and gripper bars or gripper carriages each with a transfer of the arcuate substrates each in the gripper close to a next processing station, as is known from sheet-fed offset printing machines, ensures the highest possible register accuracy.

Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

Show it:

1 a block diagram for the representation of different production lines;

2 a first machine arrangement with a plurality of different processing stations;

3 to 8th Further machine arrangements each with several different processing stations;

9 a machine assembly for two-sided sequential processing of a plurality of arcuate substrates;

10 another machine assembly without a turning device for two-sided sequential processing of a plurality of arcuate substrates;

11 yet another machine arrangement with a turning device for two-sided sequential processing of a plurality of arcuate substrates;

12 a machine assembly with different length substrate guide units;

13 to 15 Machine arrangements with a printing cylinder and a transfer drum of various formats.

1 Illustrates in a block diagram various production lines, each with a machine arrangement with several in particular different processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 for processing at least one sheet-shaped substrate, in particular a printing material, preferably a particular rectangular printed sheet, short of a bow can be realized, this at least one substrate depending on the material, material thickness and / or grammage is rigid or limp formed. In this case, preferably, each of these processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 each as a z. B. functionally independent module is formed, which is to be understood by a module usually an independently produced or at least one mounted in their own frame each machine unit or functional assembly. Each of the processing stations arranged in the respective machine arrangement 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 is therefore preferably made independently and is in a preferred embodiment, for. B. individually in its respective function testable. The relevant machine arrangement, each by a selection and compilation of at least three different each arc-processing, cooperating in a particular production processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 is formed, each embodies a specific production line. Each of the illustrated production lines, each by a specific machine arrangement with multiple processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 is embodied, in each case in particular for the production of a packaging material formed from the substrate, preferably formed from the printed sheet. The packaging materials to be produced are z. B. each a carton, each made of printed sheet. The various production lines are therefore designed in particular for the production of different packaging means. In this case, the processing of the printing material required during a specific production takes place in each case inline, ie the processing stations involved in the specific production 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 become during the passage of the printing material by the selected for the respective production, the respective processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 having brought succession machine assembly in an orderly sequence sequentially and matched to each other, without an intermediate storage for the substrate, ie the processed sheet is provided during the production carried out with the respective machine arrangement production.

Allen in the 1 represented production lines is common that they each with a processing station 06 interact with at least one non-impact printing device 06 , preferably several, z. B. four, five, six or seven in each case individually controlled non-impact printing devices 06 having these non-impact printing devices 06 are preferably arranged one behind the other in the transport direction T of the printing material and are designed in such a way that that they can print the substrate at least almost in its full, transversely directed to the transport direction T width. A non-impact printing device 06 uses a printing process without a fixed printing form and can in principle print to print the substrate, eg. B. each of these printing device 06 just fed sheet fed with a different from the previous print image. The respective non-impact printing device 06 is in each case realized in particular by at least one inkjet printer or by at least one laser printer. Ink jet printers are dot matrix printers which produce a printed image by the selective firing or deflection of small droplets of ink, the ink jet printer operating either as a continuous ink jet (CIJ) or as a single drop drop dispenser (Drop On Demand) DOD) is formed. Laser printers generate the respective print image in an electrophotography process. The non-impact printing device 06 is z. B. also referred to as a digital printing machine.

In the following, it is assumed by way of example that in the respective machine arrangement with several processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 as a substrate in each case a sequence of particular rigid sheet z. B. from a paper, from a single-ply or multi-ply cardboard or cardboard in particular to a packaging material is processed. The substrates paper, cardboard and paperboard differ in their respective basis weight, ie the weight in grams for one square meter of this printing substrate. In general, the abovementioned printing substrate with a weight per unit area of between 7 g / m ² and 150 g / m ² as paper, between 150 g / m ² and 600 g / m ² as cardboard and with more than 600 g / m ² as cardboard. For the production of cartons in particular cartons are used which have good printability and for subsequent finishing or processing such. B. are suitable for painting and punching. These cartons are of their pulp z. B. wood-free, slightly woody, woody or recycled paper content. In their construction, multi-layered cartons have a top layer, an inlay and a backing on the back. From their surface texture are cartons z. B. uncoated, pigmented, painted or cast-coated. A format of the bow is z. B. in the range between 340 mm × 480 mm and 740 mm × 1060 mm, wherein in the format information usually the first number indicates a length in the transport direction T of the sheet and the second number indicates an orthogonal to the transport direction T width of the sheet.

In the block diagram of 1 each runs with several of the processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 representable production line essentially from right to left, with each of the two processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 each connecting direction arrows each one of the substrate to be traversed transport path and the associated transport direction T suggests to order from a processing station 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 to the next processing station selected in the machine assembly dedicated to the particular production 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 to get. Every production begins with in the processing station 01 provided sheet, with the processing station 01 as an investor 01 , z. B. as a sheet feeder 01 or as a magazine feeder 01 is trained. A sheet feeder 01 usually takes a z. B. stacked on a pallet stack of sheets, whereas a magazine feeder 01 has several subjects, in each of which bow, in particular stack of z. B. different types of sheets or sheets of different formats are inserted or at least inserted. The investor 01 isolated z. B. by means of a suction head 41 the stacked sheets and these in a sequence of mutually separated sheets or in a scale flow of the next production station in the particular production 02 ; 03 ; 04 ; 06 to. The next workstation 02 ; 03 ; 04 is z. B. as a primer applicator 02 or as a cold foil applicator 03 or as an offset printing device 04 or as a flexo printing device 04 educated. The next workstation 06 can also directly z. B. the at least one non-impact printing device 06 be. The offset printing device 04 is preferably formed as a sheet-fed offset printing machine, in particular as a sheet-fed press with multiple printing units 86 in series construction. The offset printing device 04 provides the sheets with at least one static, ie during the printing process due to the bondage to the printing form used immutable print image, whereas the non-impact printing device 06 the sheet is provided with at least one changing or at least variable printed image.

If the investor 01 next processing station 03 the cold foil applicator 03 is, the sheet is then usually from there to as an offset printing device 04 trained workstation 04 transported. In the cold foil applicator 03 is a transferred from a carrier foil metallized coating layer transferred to the substrate. By overprinting this lacquer layer z. B. with an offset printing device 04 Different metallic effects can be achieved. The cold foil applicator 03 is advantageously z. B. in the offset printing device 04 integrally formed by two additional printing units 87 ; 88 in the offset printing device 04 are provided. In the transport direction T of the printing material first printing unit 87 By means of a standard printing form, a special adhesive is applied to the printing substrate, ie the respective sheet. An in the transport direction T of the printing second printing unit 88 is equipped with a film transfer device comprising the lacquer layer to be transferred. The film carrying the lacquer layer is guided by a unwinding station into a printing gap between a transfer cylinder and a pressure cylinder cooperating with this transfer cylinder and brought into contact with the printing material. In the lacquer layer coloring are an aluminum layer and a protective lacquer layer whose color affects the color impression. By adhesion of an adhesive layer with the printed adhesive layer, the transfer layers remain adhered to the substrate. The carrier film is then wound up again. After the cold foil transfer is inline, especially in the offset printing device 04 Overprinting with conventional inks as well as UV and hybrid inks possible to produce different metallic shades.

A z. B. particularly absorbent and / or for printing with a non-impact printing device 06 The substrate to be processed is supplied by the investor 01 a z. B. as a primer applicator 02 trained next processing station 02 fed to at least one surface of this substrate before printing or painting with a z. B. to coat water-based primer, in particular to seal. The primer is a primer or initial coating of the printing material, in particular to improve adhesion of a subsequently applied to the substrate ink or ink or only allow. The primer applicator 02 is z. B. in conjunction with a printing unit 86 a rotary printing machine is formed and has z. B. one with a plant pressure cylinder 119 cooperating printing cylinder 82 with one to this printing cylinder 82 employed or at least adjustable applicator roll 83 preferably in the form of an anilox roller 83 on and at least one in the axial direction of the applicator roll 83 extending squeegee 84 , in particular a chambered doctor blade system 84 ( 3 to 5 . 8th . 9 ).

The primer is applied by means of the primer applicator 02 either over the entire surface or only at certain, ie predetermined locations, ie partially applied to the substrate. The in the primer applicator 02 processed substrate, z. B. bow, is the next processing station z. B. an offset printing device 04 and / or z. B. a non-impact printing device 06 fed.

The one of z. B. as a flexographic printing device 04 trained workstation 04 executed flexographic printing is a direct high-pressure process in which the raised areas of the printing plate are image-bearing, which is often used for printing on packaging paper, cardboard or cardboard, metallized film or a plastic such. As PE, PET, PVC, PS, PP, PC is used. Flexographic printing uses low viscosity inks and flexible printing plates made of photopolymer or rubber. Generally includes a flexo printing device 04 a) an anilox roller over which the printing plate is inked, b) a printing cylinder, also called a plate cylinder, on which the printing plate is mounted, and c) an impression cylinder, which guides the printing material.

The as flexo printing device 04 or as an offset printing device 04 trained, the sheet each with at least one static printed image printing processing station 04 preferably has several, z. B. at least four printing units 86 on, with each printing unit 86 preferably prints another ink, so that the substrate when passing through the flexographic printing device 04 or the offset printing device 04 each multicolored, z. B. is printed in a four-color print. The inks yellow, magenta, cyan and black are used in particular as printing inks. In an alternative to the flexographic printing or offset printing method of the printing device 04 is the sheet each printing with at least one static print image processing station 04 as a screen-printing printing device 04 educated.

After processing of the printing material in the at least one non-impact printing device 06 This substrate is z. B. as an intermediate dryer 07 trained workstation 07 fed, this intermediate dryer 07 as a respective substrate z. B. is formed by an irradiation with infrared or ultraviolet radiation drying, the type of radiation is particularly dependent on whether the ink applied to the substrate or ink is water-based or UV-curing. After intermediate drying, the substrate is z. B. as a painting 08 trained workstation 08 fed. The painting facility 08 carries on the substrate z. B. a dispersion varnish, wherein dispersion varnishes essentially consist of water and binders (resins), wherein surfactants stabilize these dispersions. A coating varnish applying a dispersion varnish to the printing substrate 08 consists of either an anilox roll, a chamber doctor blade and an applicator roll (similar to a flexographic printing unit) or a dipping and application roller. By means of a printing plate preferably on Fotopolymerisationsbasis z. B. planar and / or partial Paint applied. Also suitable are special rubber varnish plates for full-surface varnishing. In the transport path of the printing material is after the painting 08 z. B. as a dryer 09 trained processing station 09 arranged, this dryer 09 as a printing substrate in question by irradiation with infrared radiation or hot air is formed by drying. If the relevant machine arrangement along the transport path of the printing material several dryers 07 ; 09 has, is the dryer by the reference numeral 09 preferably in the transport direction T of the printing last these multiple dryer 07 ; 09 where the intermediate dryer (s) 07 and the (final) dryer 09 structurally the same or may be designed differently. If the dryer 09 a substrate which is drying by means of ultraviolet radiation, ie a printing material on which a UV-curable printing ink or ink or a UV-curing lacquer, e.g. B. a gloss varnish is applied, this dryer 09 equipped with an ultraviolet radiation generating radiation source. With dispersion varnishes, more intense gloss and matt effects can be achieved compared to the classic oil-based varnish. Special optical effects can be achieved by effect pigments in the paint. The primer applicator 02 , the cold foil applicator 03 and the paint shop 08 can be termed coating device 02 ; 03 ; 08 be summarized.

After drying, the substrate is z. B. a processing station 11 supplied, which performs on the substrate mechanical processing, z. B. by punching, grooving and / or separating parts, in particular breaking benefit from their respective composite in preferably printed sheet. Each of the aforementioned further processing is in each case in or from a processing plant 46 executed. The mechanical further processing is preferably carried out in cooperation with a cylinder transporting the respective sheet. Afterwards or directly from the dryer 09 the substrate reaches a delivery 12 which in each of the in the 1 represented, each by a specific arrangement of processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 embodied production lines each the last processing station 12 forms. In the delivery 12 are the previously processed sheet z. B. preferably stacked on a pallet.

As in the 2 to 8th is shown, the previously mentioned order of arranged in the respective machine arrangement processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 modifiable only by way of example and depending on the particular printed product to be produced.

• 1. Bogenanleger 01; Primerauftrageinrichtung 02; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit IR-Strahlungsquelle für Dispersionslack; Lackiereinrichtung 08; Trockner 09 mit IR-Strahlungsquelle oder Heißluft; Auslage 12
• 2. Bogenanleger 01; Primerauftrageinrichtung 02; Non-Impact-Druckeinrichtung 06; Trockner 09 mit IR-Strahlungsquelle oder Heißluft; Auslage 12
• 3. Bogenanleger 01; Primerauftrageinrichtung 02; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit IR-Strahlungsquelle; Lackiereinrichtung 08 für Dispersionslack und UV-härtendem Lack; Trockner 09 mit IR-Strahlungsquelle oder Heißluft und mit UV-Strahlungsquelle; Auslage 12
• 4. Bogenanleger 01; Kaltfolienauftrageinrichtung 03; Offset-Druckeinrichtung 04; Non-Impact-Druckeinrichtung 06; Trockner 09 mit IR-Strahlungsquelle oder Heißluft; Auslage 12
• 5. Bogenanleger 01; Primerauftrageinrichtung 02; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit IR-Strahlungsquelle für Dispersionslack; Lackiereinrichtung 08; Trockner 09 mit IR-Strahlungsquelle oder Heißluft; mechanische Weiterverarbeitungseinrichtung 11; Auslage 12
• 6. Bogenanleger 01; Offset-Druckeinrichtung 04; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit IR-Strahlungsquelle; mechanische Weiterverarbeitungseinrichtung 11; Auslage 12
• 7. Bogenanleger 01; Non-Impact-Druckeinrichtung 06; Trockner 09 mit IR-Strahlungsquelle oder Heißluft; Auslage 12
• 8. Bogenanleger 01; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit UV-Strahlungsquelle; Trockner 09 mit UV-Strahlungsquelle; Auslage 12
• 9. Bogenanleger 01; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit UV-Strahlungsquelle; Trockner 09 mit UV-Strahlungsquelle; mechanische Weiterverarbeitungseinrichtung 11; Auslage 12
• 10. Bogenanleger 01; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit IR-Strahlungsquelle; Offset-Druckeinrichtung 04; Lackiereinrichtung 08; Trockner 09 mit IR-Strahlungsquelle oder Heißluft; Auslage 12
• 11. Magazinanleger 01; Primerauftrageinrichtung 02; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit IR-Strahlungsquelle; Lackiereinrichtung 08; Trockner 09 mit IR-Strahlungsquelle oder Heißluft; Auslage 12
• 12. Magazinanleger 01; Primerauftrageinrichtung 02; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit IR-Strahlungsquelle; Trockner 09 mit IR-Strahlungsquelle oder Heißluft; mechanische Weiterverarbeitungseinrichtung 11; Auslage 12
• 13. Magazinanleger 01; Non-Impact-Druckeinrichtung 06; Zwischentrockner 07 mit UV-Strahlungsquelle; Lackiereinrichtung 08; Trockner 09 mit UV-Strahlungsquelle; Auslage 12

In the 1 exemplified, especially for the production of packaging means used production lines each have a machine assembly with a selection of the amount of the aforementioned processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 on. For example, the following production lines are formed or at least formable:

• 1. Sheet feeder 01 ; Primer applicator 02 ; Non-impact printing device 06 ; intermediate dryer 07 with IR radiation source for dispersion varnish; painting equipment 08 ; dryer 09 with IR radiation source or hot air; display 12
• 2. Sheet feeder 01 ; Primer applicator 02 ; Non-impact printing device 06 ; dryer 09 with IR radiation source or hot air; display 12
• 3. Sheet feeder 01 ; Primer applicator 02 ; Non-impact printing device 06 ; intermediate dryer 07 with IR radiation source; painting equipment 08 for dispersion varnish and UV-curing varnish; dryer 09 with IR radiation source or hot air and with UV radiation source; display 12
• 4. Sheet feeder 01 ; Cold foil application device 03 ; Offset printing device 04 ; Non-impact printing device 06 ; dryer 09 with IR radiation source or hot air; display 12
• 5. Sheet feeder 01 ; Primer applicator 02 ; Non-impact printing device 06 ; intermediate dryer 07 with IR radiation source for dispersion varnish; painting equipment 08 ; dryer 09 with IR radiation source or hot air; mechanical processing device 11 ; display 12
• 6. Sheet feeder 01 ; Offset printing device 04 ; Non-impact printing device 06 ; intermediate dryer 07 with IR radiation source; mechanical processing device 11 ; display 12
• 7. Sheet feeder 01 ; Non-impact printing device 06 ; dryer 09 with IR radiation source or hot air; display 12
• 8. Sheet feeder 01 ; Non-impact printing device 06 ; intermediate dryer 07 with UV radiation source; dryer 09 with UV radiation source; display 12
• 9. Sheet feeder 01 ; Non-impact printing device 06 ; intermediate dryer 07 with UV radiation source; dryer 09 with UV radiation source; mechanical processing device 11 ; display 12
• 10. Sheet feeder 01 ; Non-impact printing device 06 ; intermediate dryer 07 with IR radiation source; Offset printing device 04 ; painting equipment 08 ; dryer 09 with IR radiation source or hot air; display 12
• 11. Magazine feeder 01 ; Primer applicator 02 ; Non-impact printing device 06 ; intermediate dryer 07 with IR radiation source; painting equipment 08 ; dryer 09 with IR radiation source or hot air; display 12
• 12. Magazine feeder 01 ; Primer applicator 02 ; Non-impact printing device 06 ; intermediate dryer 07 with IR radiation source; dryer 09 with IR radiation source or hot air; mechanical processing device 11 ; display 12
• 13. Magazine feeder 01 ; Non-impact printing device 06 ; intermediate dryer 07 with UV radiation source; painting equipment 08 ; dryer 09 with UV radiation source; display 12

In this case, at least one of the at least one non-impact printing device 06 cooperating processing stations 01 ; 02 ; 03 ; 04 ; 07 ; 08 ; 09 ; 11 ; 12 to participate in the processing of the sheet respectively depending on whether the particular with the non-impact printing device 06 formed on the respective sheet ink is formed as a water-based ink or as an ultraviolet-curing ink or ink. Thus, the respective machine arrangement is designed to print the sheets in each case with a water-based printing ink or with a curing by ultraviolet radiation ink.

Further, i. V. m. the 9 and 10 explained machine arrangements with a selection from the amount of the aforementioned processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 see z. B. production lines, which essentially have the following processing stations: sheet feeder 01 ; first primer applicator 02 ; first dryer 121 ; first non-impact printing device 06 ; second dryer 122 ; second primer applicator 126 ; third dryer 123 ; second non-impact printing device 127 ; fourth dryer 124 ; display 12

An advantageous machine arrangement mentioned here by way of example has several processing stations for processing sheets, wherein in the transport direction T the sheet has several processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 successively arranged for inline processing of these sheets, wherein at least one of these processing stations 06 as a non-impact printing device 06 is formed, wherein in the transport direction T of the sheet of non-impact printing device 06 upstream first processing station 01 as a sheet feeder 01 or as a magazine feeder 01 is formed, one between the first processing station 01 and the non-impact printing device 06 arranged processing station 08 as a first coating device applying in each case a paint on the sheet 08 is formed, wherein between the first coating device 08 and the non-impact printing device 06 a first dryer 07 is arranged, wherein a first transport cylinder assembly 17 the bows from the first dryer 07 to the non-impact printing device 06 is arranged transporting, wherein in the transport direction T of the sheet after the non-impact printing device 06 a second dryer 07 is arranged, wherein means for transferring the non-impact printing device 06 upcoming sheet to a second coating device 08 is provided, wherein the second coating device 08 a third dryer 09 is downstream, wherein in the transport direction T, the sheet after the third dryer 09 a display 12 is arranged for the bow. It can be between the third dryer 09 and the display 12 additionally a mechanical further processing device 11 be arranged. Further, in the transport direction T, the sheet is in front of the non-impact printing device 06 z. B. a cold foil applying coating device 03 arranged. The non-impact printing device 06 For example, along the transport path, the sheet preferably has a plurality of individually controlled ink jet printers. Within the scope of the non-impact printing device 06 the sheets are preferably guided lying flat on a transport device, wherein the transport device at least in the area of action of the non-impact printing device 06 for the sheet each having a curved transport path, wherein the transport device in the area of action of the non-impact printing device 06 as a printing cylinder 22 is trained. In the transport direction T, the sheet is in front of the non-impact printing device 06 z. B. arranged a transfer device, wherein the transfer device, the arc z. B. in each case at least in its axial register and / or circumferential register in register relative to the printing position of the non-impact printing device 06 aligns, wherein the transfer device z. B. a respective arc holding suction air suction drum 32 having. This machine arrangement is designed to print the sheets, in particular in each case with a water-based printing ink or with an ultraviolet curing ink. This machine arrangement is in particular designed to produce different packaging means. The device for transferring the non-impact printing device 06 upcoming bow to the second coating device 08 is z. B. as a second transport cylinder assembly 19 educated.

2 shows an example of a machine arrangement with multiple processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 according to the above-mentioned production line No. 6. Sheets are in a sheet feeder 01 z. B. with a suction head 41 picked up individually from a stack and successively in a stroke of z. B. 10,000 pieces per hour to an offset printing device 04 with z. B. four arranged in a row printing units 86 to hand over. For a transfer of the sheet from one to the next arranged in a row printing units 86 is in each case a body of revolution, in particular a cylinder, preferably one transfer drum 43 provided, in each case between two directly adjacent printing units 86 is arranged. The offset printing device 04 takes over her from the sheet feeder 01 fed sheet z. B. with a swing gripper 13 and forwards the sheets to a transfer drum 14 the offset printing device 04 wherein the sheets are then in the offset printing device 04 in a gripper closure from one to the next printing unit 86 be guided. In the offset printing device 04 the sheets are printed on at least one side. In the presence of a turning device 23 Can the sheets in the offset printing device 04 also be printed on both sides, ie in perfecting.

After passing through the here z. B. as an offset printing device 04 trained workstation 04 is the question preferably four-color printed sheet by means of the first transport cylinder assembly 17 to a non-impact printing device 06 to hand over. The non-impact printing device 06 preferably has several, z. B. five linearly arranged in a row in particular each individually controlled inkjet printer on. This is followed by drying in the offset printing device 04 with at least one static printed image and in the non-impact printing device 06 with at least one changing or at least variable printed image provided sheet in a dryer 07 or intermediate dryer 07 preferably with an IR radiation source. Again, the sheets are in a mechanical finishing device 11 z. B. further processed by punching and / or grooving and / or breaking benefit from the respective arc. Ultimately, the bow and / or in each case from the bow dissolved benefits in a display 12 collected, in particular stacked. In the sphere of action of the first gripper system 16 or the first chain conveyor 16 can each along the intended transport path for the sheet a display 12 , Be provided in particular a multi-stack display. Likewise, in the transport direction T of the sheet z. B. after the mechanical processing device 11 arranged a multi-stack display.

The investor 01 , especially in the sheet feeder 01 sheets picked up from a stack are spaced apart one another by the offset printing device 04 transported at a first transport speed. The offset printing device 04 to the non-impact printing device 06 Passed sheets are used in this non-impact printing device 06 transported at a second transport speed, wherein in the non-impact printing device 06 Applicable second transport speed is usually lower than that in the offset printing device 04 valid first transport speed. For adaptation in the offset printing device 04 applicable first transport speed to the usually lower in the non-impact printing device 06 applicable second transport speed is z. B. the gap between directly successive arc gap, ie the distance z. B. due to a gripper channel width for in the gripper closure by the offset printing device 04 transported sheet results in the transfer of these sheets from the offset printing device 04 to the non-impact printing device 06 preferably reduced, wherein such a reduction in distance based on their original distance z. B. is in the range between 1% and 98%. Thus, directly consecutive sheets are also in the non-impact printing device 06 transported spaced apart, but with a generally smaller arc gap or at a smaller distance than in the offset printing device 04 and consequently also with a lower second transport speed. This second transport speed is preferably maintained when in the non-impact printing device 06 printed sheets first to an intermediate dryer 07 or dryer 09 and from there z. B. by means of a feed table to a mechanical processing device 11 continue to the delivery 12 be transported. However, the sheets can be brought from their second transport speed to a third transport speed, if z. B. the mechanical processing device 11 requires, wherein the third transport speed is usually higher than the second transport speed and z. B. again in particular in the offset printing device 04 corresponding first transport speed corresponds. Before the mechanical finishing device 11 is z. B. the second transport cylinder assembly 19 provided, which from the intermediate dryer 07 or dryer 09 coming bow picks up and mechanical finishing device 11 transported. Also in the field of mechanical, in series z. B. several processing plants 46 having further processing device 11 is for handing over the sheets from one to the next of the arranged in a row processing plants 46 in each case a rotational body, in particular a cylinder, preferably a transfer drum 44 provided, in each case between two adjacent processing plants 46 is arranged. One of the processing plants 46 is z. B. as a stamping, another processing plant 46 z. B. formed as a Rillwerk. The relevant processing plant 46 the mechanical further processing of the sheet is preferably designed to perform in cooperation with a cylinder transporting the respective sheet. After their mechanical processing, the sheets and / or cut out of them benefits z. B. by means of a chain conveyor 21 to the delivery 12 transported and collected there, preferably stacked.

The sheets are from the output of the offset printing device 04 at least until the exit of the intermediate dryer 07 or dryer 09 , preferably to the beginning of the mechanical finishing device 11 each transported by means of a multi-part, ie from several in the transport direction T of the sheet successively arranged assemblies, in particular transport units existing transport device, wherein the transport device comprises a plurality of transport cylinders. If necessary can also be between the offset printing device 04 and the non-impact printing device 06 an intermediate dryer 07 or a dryer 09 be arranged.

In the 3 to 8th are further machine arrangements each with multiple processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 illustrated by way of example and schematically, wherein the respective reference numerals the previously explained processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 and other of their respective aggregates.

In the 3 is a machine assembly with the following in the transport direction T of the printing material successively arranged processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 shown: sheet feeder 01 ; Primer applicator 02 or painting device 08 ; intermediate dryer 07 ; Non-impact printing device 06 ; intermediate dryer 07 ; painting equipment 08 ; dryer 09 ; display 12 ,

In the 4 is a machine assembly with the following in the transport direction T of the printing material successively arranged processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 shown: sheet feeder 01 ; Primer applicator 02 ; intermediate dryer 07 ; Non-impact printing device 06 ; dryer 09 ; display 12 ,

In the 5 is a machine assembly with the following in the transport direction T of the printing material successively arranged processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 shown: sheet feeder 01 ; Primer applicator 02 ; intermediate dryer 07 ; Non-impact printing device 06 ; intermediate dryer 07 ; painting equipment 08 ; intermediate dryer 07 ; painting equipment 08 ; dryer 09 ; display 12 ,

In the 6 is a machine assembly with the following in the transport direction T of the printing material successively arranged processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 shown: sheet feeder 01 ; a first offset printing device 04 ; Cold foil application device 03 ; four other offset printing devices 04 in series construction; intermediate dryer 07 ; Non-impact printing device 06 ; intermediate dryer 07 ; Non-impact printing device 06 ; dryer 09 ; display 12 ,

In the 7 is a machine assembly shown in an offset due to their length with the following in the transport direction T of the printing material successively arranged processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 shown: sheet feeder 01 ; a first offset printing device 04 ; Cold foil application device 03 ; four other offset printing devices 04 in series construction; intermediate dryer 07 ; Non-impact printing device 06 ; intermediate dryer 07 ; painting equipment 08 ; dryer 09 ; two mechanical finishing devices 11 in series construction; display 12 ,

In the 8th is a machine assembly with the following in the transport direction T of the printing material successively arranged processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 shown: Magazine feeder 01 ; Primer applicator 02 ; intermediate dryer 07 ; Non-impact printing device 06 ; intermediate dryer 07 ; painting equipment 08 ; dryer 09 ; display 12 ,

As already mentioned, it is provided, with the machine arrangements described above, each of several processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 for the processing of sheets and for the transport of these sheets have at least one transport device to edit sheets of different format, ie of different length and / or width. Therefore, the generally rectangular arc differs z. B. in their respective length, with this length each extending in the transport direction T of this arc. To use a particular as a non-impact printing device 06 trained workstation 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 , which are sequentially fed to reduce the productivity of the respective machine arrangement with comparatively shorter sheets, ie in smaller size sheets compared to otherwise larger sized sheets processed in this machine arrangement, a method is proposed with the following method steps:

Method for operating a plurality of sheets of a processing station 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 sequentially feeding transport device, in which for processing by the same processing station 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 Arc different in each case in the transport direction T of this sheet extending length can be used, wherein the processing station 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 successively fed sheets are transported by the transport device in each case at a distance, wherein the transport device imprints the sheet to be transported in each case a transport speed, wherein the distance between successive sheet existing distance for sheets of different in each case in the transport direction T of these sheets extending length is kept constant by a change in the transport of the relevant sheet aufzupräenden transport speed, the transport speed of the following in the direction of transport T arc in relation to the Transport speed of the immediately preceding arc is changed. In the process, those of the relevant processing station 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 successively fed sheets to reach and / or maintain one from the processing station 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 each transported preferably at a minimum, but usually different from zero distance to be provided high productivity of the transport device. The distance between successive in the transport direction T sheet, ie between the transversely to the transport direction T extending rear edge of the previous sheet and extending transversely to the transport direction T leading edge of the immediately following sheet is z. B. in the range between 0.5 mm and 50 mm, preferably less than 10 mm. If a sheet of shorter length in the respective processing station 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 after a larger length of sheet is to be processed, the shorter length sheet is accelerated by the transport device by increasing its transport speed. Conversely, a larger length sheet is slowed down by the transport device by a reduction in its transport speed when the sheet of greater length in the respective processing station 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 after a bow of shorter length to edit. As a processing station 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 is preferably a non-impact printing device 06 used, whose productivity is usually greatest when it supplied the sheets to be printed by them in succession regardless of their respective format in a constant minimum distance. If in the relevant machine arrangement of the non-impact printing device 06 a z. B. as an offset printing device 04 trained processing station 04 is upstream, are in the offset printing device 04 printed sheets regardless of their format with a production speed of this offset printing device 04 corresponding transport speed of the transport device supplied, wherein this sheet from the offset printing device 04 predetermined transport speed during its transport with the transport device to a processing speed of the non-impact printing device 06 appropriate transport speed is adjusted. If these sheets regardless of their respective format in each case in addition to a constant distance from each other of the non-impact printing device 06 to be fed, sheets of greater length are slowed down less than shorter sheets, but in any case a reduction in their respective transport speed will be required because the processing speed of the non-impact printing device 06 Usually less than the production speed of the offset printing device 04 ,

The respective sheet is preferably each force-locking z. B. during its transport from the transport device. B. held by suction and / or by grippers. In the preferred embodiment, the transport speed to be applied to the sheet in question is set by a preferably electronic control unit, the control unit setting the transport speed, in particular to maintain the constant distance between successive sheets z. B. makes in a control loop. It is Z. B. provided that one of the mechanical processing device 11 supplied sheet through the swing gripper 19 and the transfer drum 31 is brought from the second transport speed to the third transport speed, which means that the relevant sheet in particular by the controlled by the control unit rotation of the transfer drum 31 is accelerated.

9 shows a further machine arrangement with a plurality of generally different processing stations for sequentially processing a plurality of arcuate substrates. The flat substrates, each having a front and a back, are in a feeder 01 z. B. from a suction head 41 gripped and individually by means of a swing gripper 13 to a transfer drum 14 and from there to a rotating plant pressure cylinder 119 pass, with this plant pressure cylinder 119 on its lateral surface in each case at least one of these substrates or more, z. B. receives two or three in the circumferential direction one behind the other arranged substrates. Each of the substrates to be transported is on the lateral surface of the system pressure cylinder 119 by means of at least one z. B. held as a gripper holding element. In particular, pliable and / or thin substrates with a thickness of z. B. up to 0.1 mm or a maximum of 0.2 mm z. B. also by suction on the lateral surface of the system pressure cylinder 119 be held, with a resting of such a substrate on the lateral surface of the system pressure cylinder 119 , in particular at the edges of this substrate, for. B. by in particular radially on the lateral surface of the system pressure cylinder 119 directed blown air is supported. To the plant pressure cylinder 119 is in its direction of rotation, in the 9 is indicated by a direction of rotation arrow, starting from the at this plant pressure cylinder 119 salaried Transfer drum 14 first, a first primer applicator 02 for priming the front side and this first primer applicator 02 below a second primer applicator 126 for priming the back side of the same sheet-shaped substrate, wherein the second primer applicator 126 the back of the substrate in question z. B. primed indirectly, in particular by a retransfer of this second primer applicator 126 on the lateral surface of the system pressure cylinder 119 applied primer from this lateral surface on the back of the substrate in question. The priming of the front and / or back of the substrate in question can be carried out over the entire surface or part of the surface as needed. The plant pressure cylinder 119 transfers a substrate primed on both sides to a first transport device, e.g. B. an at least one tension member having, in particular endless circulating transport device, for. B. to a first chain conveyor 16 , This first transport device of this substrate to a first non-impact printing device 06 transported, this first non-impact printing device 06 the front of the substrate in question at least partially printed. The first non-impact printing device 06 transfers the front side printed substrate to a second transport device, e.g. B. an at least one tension member having, in particular endless circulating transport device, for. B. to a second chain conveyor 21 , wherein said second transport device, the substrate in question z. B. receives in the region of its first sprocket. For example, in the region of the second sprocket of this second chain conveyor 21 is a second non-impact printing device 127 arranged, this second non-impact printing device 127 the back of the respective previously printed on the front substrate at least partially printed. This is the first non-impact printing device 06 and the second non-impact printing device 127 arranged in succession in the transport direction T of the respective sheet-shaped substrate at different positions of the transport path of the respective substrate. The relevant now double-sided substrate is then z. B. on a stack in a display 12 stored.

The in the 9 illustrated the substrate in question on both sides machined machine assembly each has a plurality, preferably four dryers 121 ; 122 ; 123 ; 124 on, and a first dryer 121 for drying the primer applied on the front side of the respective substrate and a second dryer 122 for drying the primer applied on the back side of the relevant substrate. Moreover, a third dryer 123 for drying the relevant one with the first non-impact printing device 06 front-side printed substrate and a fourth dryer 124 for drying the subject with the second non-impact printing device 127 provided on the reverse printed substrate. The z. B. identical design dryer 121 ; 122 ; 123 ; 124 are the substrate in question z. B. formed by an irradiation with infrared or ultraviolet radiation drying, the type of radiation is particularly dependent on whether the ink applied to the substrate in question or ink is water-based or UV-curing. The transport direction T of the relevant substrate transported by the machine arrangement is in the 9 each indicated by arrows. The first non-impact printing device 06 and the second non-impact printing device 127 are each z. B. formed as at least one inkjet printing device. Within the scope of the first non-impact printing device 06 a third transport device is arranged, which takes over the respective double-sided primed substrate from the first transport device, transported to the second transport device and delivers to this second transport device. The substrate in question in the sphere of action of the first non-impact printing device 06 transporting third transport device is as a transport cylinder 128 formed, wherein the preferably a plurality of inkjet printing devices of the first non-impact printing device 06 each radial to this transport cylinder 128 are arranged.

The substrate in question in the sphere of action of the first non-impact printing device 06 transporting third transport device and the substrate in question in the area of action of the second non-impact printing device 127 each transporting second transport device preferably each have a single drive, said individual drives each z. B. as a regulated in its respective rotational speed and / or angular position or at least controllable preferably electrically driven motor, by means of which the respective transport devices in their respective movement behavior influencing individual drives printing the substrate in question on the front by the first non-impact print Setup 06 and on the back through the second non-impact printing device 127 synchronized or at least synchronized.

In a preferred embodiment, the first dryer 121 for drying the applied on the front of the substrate primer z. B. in the field of plant pressure cylinder 119 arranged. The second dryer 122 for drying the applied on the back of the substrate in question primer is preferably arranged in the region of the first transport device. The third dryer 123 for drying the relevant one with the first non-impact printing device 06 front side printed substrate is z. B. arranged in the region of the second transport device or is located in the region of the third transport device, which in turn in the sphere of action of the first non-impact printing device 06 located and interacts with this. The fourth dryer 124 for drying the subject with the second non-impact printing device 127 printed substrate on the back is in the transport direction T of the respective transported through the machine assembly substrate z. B. arranged after the third transport device.

The in the 9 The illustrated machine assembly is also described as a machine assembly for sequentially processing a plurality of arcuate substrates each having a front side and a back side, wherein a first non-impact printing device 06 and a second non-impact printing device 127 and a first primer applicator 02 and a second primer applicator 126 are provided, wherein in each case with respect to the same arcuate substrate, the first primer applicator 02 priming the front and the second primer applicator 126 the backside are primed and wherein with respect to this substrate the first non-impact printing device 06 that of the first primer applicator 02 printed on the front side and the second non-impact printing device 127 that of the second primer applicator 126 primed on the reverse side are printed. Here are a first dryer 121 for drying the primer applied on the front side of the relevant substrate in the transporting direction T of the relevant substrate before the first non-impact printing device 06 and a second dryer 122 for drying the primer applied on the rear side of the relevant substrate in the transport direction T of the relevant substrate before the second non-impact printing device 127 and a third dryer 123 for drying the relevant one with the first non-impact printing device 06 front side printed substrate in the transport direction T of the respective substrate after the first non-impact printing device 06 and a fourth dryer 124 for drying the subject with the second non-impact printing device 127 printed substrate on the reverse side in the transport direction T of the relevant substrate after the second non-impact printing device 127 intended.

The second primer applicator 126 can either in the transport direction T of the substrate in question before or after the second non-impact printing device 127 be arranged. The first dryer 121 for drying the primer applied on the front side of the relevant substrate and / or the second dryer 122 for drying the primer applied on the back of the relevant substrate and / or the third dryer 123 for drying the relevant one with the first non-impact printing device 06 front-side printed substrate and / or the fourth dryer 124 for drying the subject with the second non-impact printing device 127 printed substrate on the back are each z. B. as a respective primed and / or printed substrate by hot air and / or by irradiation with infrared or ultraviolet radiation drying dryer, wherein the relevant primed and / or printed substrate by irradiation with infrared or ultraviolet radiation drying dryer 121 ; 122 ; 123 ; 124 is preferably designed as an LED dryer, ie as a respective semiconductor diodes using dryer. In addition, at least one transport device transporting the relevant substrate is provided, this transport device being designed as a transport cylinder or as a circulating conveyor belt or as a chain conveyor. In this case, the at least one transport device transporting the relevant substrate has at least one holding element, wherein the at least one holding element is formed holding the respective substrate by a frictional connection or by a positive fit.

The 10 shows yet another advantageous machine arrangement for sequentially processing a plurality of arcuate each having a front and a back having substrates. This machine arrangement, which is preferably designed as a printing machine, in particular as a sheet-fed printing press, has at least one first printing cylinder 117 and a second impression cylinder 118 on. In each case, at the periphery of the first printing cylinder 117 at least one first non-impact printing device printing the front side of the respective substrate 06 and in the direction of rotation of the first impression cylinder 117 after the first non-impact printing device 06 one from the first non-impact printing device 06 printed front of the substrate drying dryer 123 and in each case on the circumference of the second printing cylinder 118 at least one second non-impact printing device printing the rear side of the respective substrate 127 and in the direction of rotation of the second impression cylinder 118 after the second non-impact printing device 127 one from the second non-impact printing device 127 printed back of the substrate drying dryer 124 arranged. The first non-impact printing device 06 and the second non-impact printing device 127 are z. B. each formed as at least one inkjet printing device. For example, the first non-impact printing device prints 06 and / or the second non-impact printing device 127 each several, z. B. four inks, in particular the printing inks yellow, magenta, cyan and black, wherein for each of these inks with respect to the relevant non-impact printing device 06 ; 127 each preferably a particular inkjet printing device is provided.

In the machine arrangement according to the 10 are the first printing cylinder 117 and the second impression cylinder 118 forming a common nip forming the first impression cylinder 117 in this common nip the front side printed and dried substrate directly to the second impression cylinder 118 passes. In the preferred embodiment of this machine arrangement are also a first primer applicator 02 and a second primer applicator 126 provided, wherein in each case with regard to the same arcuate substrate, the first primer applicator 02 priming the front and the second primer applicator 126 the back are primed, wherein with respect to this substrate, the first non-impact printing device 06 that of the first primer applicator 02 printed on the front side and the second non-impact printing device 127 that of the second primer applicator 126 primed on the reverse side are printed. The first primer applicator 02 and the second primer applicator 126 each have z. B. a system pressure cylinder 119 on, with these two investment pressure cylinder 119 forming a common nip forming the first primer applicator 02 having bearing pressure cylinder 119 in this common nip the substrate in question directly to the second primer applicator 126 having bearing pressure cylinder 119 passes. Here are the second primer applicator 126 having bearing pressure cylinder 119 and the first non-impact printing device 06 having first impression cylinder 117 forming a common nip forming the second primer applicator 126 having bearing pressure cylinder 119 the substrate in question directly to the first non-impact printing device 06 having first printing cylinder 117 passes.

At the periphery of the first primer applicator 02 having plant pressure cylinder 119 is usually immediately after the first primer applicator 02 z. B. one of these first primer applicator 02 primed front of the respective substrate drying dryer 121 arranged and / or on the circumference of the second primer applicator 126 having plant pressure cylinder 119 is usually immediately after the second primer applicator 126 z. B. one of these second primer applicator 126 primed back of the respective substrate drying dryer 122 arranged. This is or are the dryer 121 for drying the primer applied on the front side of the relevant substrate and / or the dryers 122 for drying the primer applied on the back of the relevant substrate and / or the dryer 123 for drying the relevant one with the first non-impact printing device 06 front-side printed substrate and / or the dryer 124 for drying the subject with the second non-impact printing device 127 on the back-printed substrate in each case as a respective primed and / or printed substrate formed by hot air and / or by irradiation with infrared or ultraviolet radiation drying dryer. In a particularly preferred embodiment, the respective primed and / or printed substrate is dryers by irradiation with infrared or ultraviolet radiation 121 ; 122 ; 123 ; 124 designed as an LED dryer, ie as the infrared or ultraviolet radiation respectively by means of semiconductor diodes producing dryer.

Moreover, in the machine arrangement according to the 10 the first impression cylinder 117 and the second impression cylinder 118 and the first primer applicator 02 having bearing pressure cylinder 119 and the second primer applicator 126 having bearing pressure cylinder 119 each preferably in a single drive train formed of gears, that is connected together in a gear train and driven in their respective rotation together by a single drive, said drive is preferably designed as a particular speed-controlled and / or position-controlled electric motor. The first impression cylinder 117 and the second impression cylinder 118 and the first primer applicator 02 having bearing pressure cylinder 119 and the second primer applicator 126 having bearing pressure cylinder 119 are each z. B. formed multiple times, ie on the lateral surface are each more, z. B. two or three or four substrates arranged in the circumferential direction one behind the other or at least can be arranged. Each of the substrates to be transported is on the lateral surface of the first printing cylinder 117 and / or the second impression cylinder 118 and / or the first primer applicator 02 having plant pressure cylinder 119 and / or the second primer applicator 126 having bearing pressure cylinder 119 each by means of at least one z. B. designed as a gripper holding element frictionally and / or positively held. In particular, pliable and / or thin substrates with a thickness of z. B. up to 0.1 mm or a maximum of 0.2 mm can be frictionally z. B. by suction on the lateral surface of the cylinder in question 117 ; 118 ; 119 be held, wherein a resting of such a substrate on the lateral surface of the respective cylinder 117 ; 118 ; 119 , in particular at the edges of this substrate, for. B. by particular radially on the outer surface of the cylinder in question 117 ; 118 ; 119 directed blown air is supported.

The substrate printed on both sides is subsequently transported through the second printing cylinder 118 preferably by means of a transport device z. B. to a delivery 12 transported and there in the delivery 12 placed on a pile. The to the second impression cylinder 118 subsequent transport device is z. B. formed as a chain conveyor, wherein the substrate in question during its transport through this transport device before its placement in the delivery 12 again preferably on both sides by at least one dryer 09 is dried. In some production lines, it may be intended to include the one from the first non-impact printing device 06 on the front and / or the second non-impact printing device 127 printed substrate on the back side on one or both sides with other inks, especially special colors to print and / or z. B. to refine by a paint job. In this latter case, following the second impression cylinder 118 before the substrate in question to the delivery 12 transporting transport device at least one further, z. B. a third pressure cylinder or preferably at least one further cylinder formed from a third pressure cylinder and a fourth pressure cylinder pair provided at which at least one further z. B. third and / or fourth impression cylinder similar to the first impression cylinder 117 and / or on the second impression cylinder 118 in each case a further printing device, in particular a further non-impact printing device, or at least one painting device 08 each optionally arranged with a further dryer. All these juxtaposed printing cylinders then form a continuous transport path for the respective substrate in the relevant machine arrangement, this substrate then being transferred from one to the next impression cylinder. The relevant substrate can be processed on both sides, in particular printable, without it being in this machine arrangement for this substrate of a turning device 23 requirement. The proposed machine arrangement is thus very compact and inexpensive. The in the 10 shown machine arrangement is particularly advantageous i. V. m. UV-curing inks z. B. used in packaging for food or cosmetics.

11 shows an example of a machine arrangement with multiple processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 , where the processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 in the transport direction T of the substrates are arranged one behind the other. The processing stations 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 are each formed as a stand-alone functional module, each of the modules each forms a mounted in a separate frame machine unit. In the preferred embodiment, those modules that function as a coating device 02 ; 03 ; 08 (ie primer applicator 02 ; 126 , Cold foil applicator 03 and painting equipment 08 ) or as a dryer 07 ; 09 ; 121 ; 122 ; 123 ; 124 or as a printing device 04 ; 06 ; 127 or as a mechanical further processing device 11 are formed, each a substrate guide unit 24 and a substrate processing unit 26 on. The substrate guide unit 24 has to transport the substrates z. B. a transport cylinder assembly 17 ; 19 or one or more transport cylinders 128 or one or more transfer drums 43 ; 44 on. The substrate processing unit 26 indicates depending on the type of the respective processing station 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 z. B. the actual coating device 02 ; 03 ; 08 or the dryer 07 ; 09 ; 121 ; 122 ; 123 ; 124 or at least one printing unit 86 ; 87 ; 88 the printing device 04 ; 06 ; 127 or at least one processing unit 46 the mechanical processing device 11 on.

The in the 11 shown machine assembly is a machine assembly for the fine and reprint and has starting from a sheet feeder 01 or magazine feeder 01 trained, stacked substrates sequentially z. B. with a suction head 41 poignant investor 01 and a downstream swing gripper 13 with a transfer drum 14 in the transport direction T of the substrates (sheet) in succession a coating device 02 ; 03 ; 08 in particular in the form of a first primer applicator 02 and then a first dryer 07 ; 121 on. The substrates pretreated in this way on the front side are then subjected to a first non-impact printing device which in each case prints the front side of the substrates 06 with a first impression cylinder 22 ; 117 supplied, said first pressure cylinder 22 ; 117 is preferably formed three times or four times large, which means that this first impression cylinder 22 ; 117 has at least as many holding elements on its circumference, that three or four substrates are arranged in each case at its periphery, in each case holding by a frictional connection and / or by a form fit or at least can be arranged. As a rule, everyone is on the circumference of the printing cylinder 22 ; 117 to be held substrate each associated with at least one holding element, wherein those holding elements, which are assigned to different substrates, each independently, that is operable separately from each other. Holding elements designed as grippers are arranged in particular in a channel, wherein the respective channel is in each case on the lateral surface of the respective printing cylinder 22 ; 117 extends axially. This means at z. B. four along the circumference of the relevant printing cylinder 22 ; 117 arrangeable substrates that the relevant printing cylinder 22 ; 117 has four channels, wherein in each channel at least one holding element is arranged. In a channel z. Belly at least two holding elements may be arranged, wherein one of these holding elements holds a rear edge in the transporting direction T of the substrates of a first of these substrates and another of these holding elements in the transporting direction T of the substrates leading edge of a first substrate on the circumference of the relevant printing cylinder 22 ; 117 immediately following second substrate holds. Along part of the circumference of the first impression cylinder 22 ; 117 one after the other preferably several inkjet printing devices are arranged. In the preferred embodiment, the first non-impact printing device follows 06 a substrate guide unit designed as a pure transport module 24 without further substrate processing unit 26 , Also, this transport module is arranged in a separate frame. This substrate guide unit 24 allows in this machine arrangement, the formation of a sufficiently wide cross gallery, which in turn z. B. for maintenance and / or repair accessibility to the first non-impact printing device 06 improved. After the substrate guide unit 24 is a second dryer drying the printed front of the substrates 09 ; 123 arranged. The second dryer 09 ; 123 follows a turning device 23 , which makes it possible that the back of the substrates can be printed in progress. As described above for the Perfecting, ie for the printing of the front, the substrates of the turning device 23 first coming from a second primer applicator treating the backside of the substrates 126 and then a third dryer 07 ; 122 fed. This is followed by a second non-impact printing device which in each case prints on the back side of the substrates 127 with a second impression cylinder 118 , wherein this second impression cylinder 118 again preferably three times or four times, which means that this second impression cylinder 118 has on its circumference so many holding elements, that at its periphery successively three or four substrates each held by a frictional connection and / or by a positive fit arranged or at least can be arranged. Along part of the circumference of the second impression cylinder 118 one after the other preferably several inkjet printing devices are arranged. Even after the second non-impact printing device 127 For the same reason as explained above, it is preferably a substrate guiding unit 24 without further substrate processing unit 26 arranged. This is followed by a fourth dryer 09 ; 124 for drying the printed back of the substrates. In the preferred embodiment is then a painting 08 intended. The coated substrates are then placed in another dryer 09 dried, this dryer 09 z. B. in the transport one as a chain conveyor 21 arranged transport device is arranged, said transport means the substrates to a display 12 , in particular transported to a multi-stack delivery and interprets there. In the machine arrangement of 11 each of which is a transport cylinder assembly 17 ; 19 having substrate guide units 24 apart from the two printing cylinders 22 ; 117 ; 118 preferably in each case double-sized, so that on the circumference of the respective transport cylinder 128 or transfer drums 43 ; 44 in each case two substrates are arranged one behind the other or at least can be arranged.

12 shows an example of a machine arrangement for the one-sided processing of substrates, in particular for their one-sided printing. The substrates are from a feeder 01 coming by means of a swinging gripper 13 a transfer drum 14 passed and from there via a z. B. only a single transport cylinder 128 or just a single transfer drum 43 ; 44 having substrate guide unit 24 in each case the front of the substrates printing non-impact printing device 06 with a triple-size or quadruple-sized pressure cylinder 22 ; 117 fed. To the support of the substrates on the outer surface of the printing cylinder 22 ; 117 to improve, for. B. a blast air device 27 and / or a pressing element 28 z. B. provided in the form of a smoothing roll. This is followed by a substrate guide unit 24 with at least two transport cylinders 128 or transfer drums 43 ; 44 having transport cylinder assembly 17 ; 19 , It then close a dryer 07 and a painting facility 08 at. The coated substrates are then placed in another dryer 09 dried, this dryer 09 z. B. again in the transport one as a chain conveyor 21 arranged transport device is arranged, said transport means the substrates to a display 12 transported and interpreted there. The substrate guide units 24 with the exception of the impression cylinder 22 ; 117 preferably in each case double-sized transport cylinder 128 or transfer drums 43 ; 44 on. A substrate guide unit 24 with at least two transport cylinders 128 or transfer drums 43 ; 44 having transport cylinder assembly 17 ; 19 extends in the transport direction T of the substrates over a length which is at least one and a half times the diameter of the respective transport cylinder 128 or the relevant transfer drum 43 ; 44 equivalent.

The 13 to 15 show by way of example in each case a machine arrangement for the one-sided processing of substrates, in particular for their one-sided printing, wherein after the feeder 01 z. B. a primer applicator 02 and a dryer 07 are provided. This is followed in the machine assembly, a non-impact printing device 06 a substrate guide unit 24 , another dryer 07 , a painting facility 08 and a z. B. in the transport one as a chain conveyor 21 trained transport device arranged dryer 09 , wherein this transport device, the substrates to a display 12 transported and interpreted there.

In the machine arrangement of 13 is the printing cylinder 22 ; 117 four-fold formed. The quadruple-sized impression cylinder 22 ; 117 takes over the substrates to be printed from a directly upstream transfer drum 43 , which is three times the size. In the machine arrangement of 14 is the printing cylinder 22 ; 117 also four times the size, but hands over the four-fold printing cylinder 22 ; 117 the printed substrates to a pressure cylinder 22 ; 117 Immediately downstream triple-sized transfer drum 44 , 14 shows the quadruple-sized printing cylinder 22 ; 117 with a pressure cylinder 22 ; 117 Immediately upstream double-sized transfer drum 43 , The lateral surface of the printing cylinder 22 ; 117 and the transfer drum 43 are by forming a common roller strip 32 preferably arranged in contact with each other. In the machine arrangement of 15 are the printing cylinder 22 ; 117 and this pressure cylinder 22 ; 117 immediately upstream transfer drum 43 each formed three times the size. The machine arrangements of the 13 to 15 each differ by the format of the printing cylinder 22 ; 117 and a pressure cylinder 22 ; 117 immediately upstream or downstream transfer drum 43 ; 44 , A quadruple-sized pressure cylinder 22 ; 117 has a diameter z. B. of about 1,200 mm. A double-sized transfer drum 43 has a diameter z. B. of about 600 mm. The respective format of printing cylinder 22 ; 117 and a pressure cylinder 22 ; 117 immediately upstream or downstream transfer drum 43 ; 44 is determined by the number of arranged on the respective circumference holding elements, wherein the holding elements, the respective substrates in each case by a frictional connection and / or by a positive connection on the circumference of the relevant printing cylinder 22 ; 117 or the relevant transfer drum 43 ; 44 hold. At the circumference of the relevant printing cylinder 22 ; 117 are each several inkjet printing devices and z. B. in each case a blast air device 27 and / or a pressing element 28 z. B. arranged in the form of a smoothing roll.

LIST OF REFERENCE NUMBERS

01

 Processing station; investors; Sheet feeder; magazine investors

02

 Processing station; Primer applicator

03

 Processing station; Cold foil application device

04

 Processing station; Offset printing device; Flexo printing device

05

06

 Processing station; Non-impact printing device

07

 Processing station; Between the dryer; dryer

08

 Processing station; painting equipment

09

 Processing station; dryer

10

11

 Processing station; mechanical processing device

12

 Processing station; display

13

 swing gripper

14

 Transfer drum

15

16

 Gripper system; chain conveyors

17

 Transport cylinder arrangement

18

19

 Transport cylinder arrangement

20

21

 chain conveyors

22

 pressure cylinder

23

 turning device

24

 Substrate guide unit

25

26

 Substrate processing unit

27

 blast air

28

 pressing element

29 to 40

41

 suction head

42

43

 transfer drum

44

 transfer drum

45

46

 Cutting

47 to 81

82

Printing cylinders 82

83

 Roller; anilox roller

84

 doctor; Chambered doctor blade system

85

86

 printing unit

87

 printing unit

88

 printing unit

89 to 116

117

pressure cylinder 117

118

 pressure cylinder

119

 System pressure cylinder

120

121

 dryer

122

 dryer

123

 dryer

124

 dryer

125

126

 Primer applicator

127

 Non-impact printing device

128

 transport cylinder

T

 transport direction

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• WO 2004/013704 A1 [0002]
• EP 2540513 A1 [0003]
• DE 10312870 A1 [0004]
• DE 102014010904 B3 [0005]
• DE 102009000518 A1 [0006]

Claims (12)

Machine arrangement for the sequential processing of sheet-shaped substrates, having a plurality of different processing stations, one of the processing stations having a non-impact printing device (FIG. 06 ; 127 ), wherein, as further processing stations, a primer application device which in each case primers the substrates ( 02 ; 126 ) and a dryer ( 07 ; 121 ; 122 ) are provided for drying the primer applied to the respective substrates, wherein the primer application device ( 02 ; 126 ) and the dryer ( 07 ; 121 ; 122 ) in the transport direction (T) of the respective substrates in each case before the non-impact printing device ( 06 ; 127 ), wherein the non-impact printing device ( 06 ; 127 ) has a printing cylinder ( 117 ; 118 ), wherein the non-impact printing device ( 06 ; 127 ) on the circumference of the impression cylinder ( 117 ; 118 ) is arranged, wherein on the lateral surface of the impression cylinder ( 117 ; 118 ) four substrates are arranged one behind the other in the circumferential direction or at least can be arranged, wherein each of the substrates to be transported on the lateral surface of the impression cylinder ( 117 ; 118 ) is held in each case by means of at least one holding element frictionally and / or positively, wherein in the transport direction (T) of the respective substrates after the processing station with the substrates printing non-impact printing device ( 06 ; 127 ) a processing station with a dryer ( 123 ; 124 ) for drying the relevant with this non-impact printing device ( 06 ; 127 ) printed substrates is arranged, wherein in the transport direction (T) of the respective substrates after the processing station with the dryer ( 123 ; 124 ) for drying the printed substrates, a processing station with a painting device ( 08 ) and after the painting device ( 08 ) a processing station with another dryer ( 09 ) are provided. Machine arrangement according to claim 1, characterized in that the dryer ( 07 ; 09 ; 121 ; 122 ; 123 ; 124 ) are each formed as a the primed and / or printed and / or coated substrates each by hot air and / or by irradiation with infrared or ultraviolet radiation drying dryer or are. Machine arrangement according to claim 2, characterized in that the drying of the substrates in each case by irradiation with infrared or ultraviolet radiation dryer ( 07 ; 09 ; 121 ; 122 ; 123 ; 124 ) is designed as an LED dryer. Machine arrangement according to claim 1 or 2 or 3, characterized in that in the transport direction (T) of the substrates prior to their delivery ( 12 ) one as a mechanical further processing device ( 11 ) trained processing station is provided, wherein the mechanical further processing device ( 11 ) the respective substrates further processed by punching and / or grooving and / or breaking benefits from the respective substrate. Machine arrangement according to claim 1 or 2 or 3 or 4, characterized in that the substrates on the lateral surface of the impression cylinder ( 117 ; 118 ) by suction air and / or by grippers on the lateral surface of this cylinder ( 117 ; 118 ) are held non-positively. Machine arrangement according to claim 1 or 2 or 3 or 4 or 5, characterized in that a resting of a substrate on the lateral surface of the printing cylinder ( 117 ; 118 ) by on the lateral surface of the impression cylinder ( 117 ; 118 ) directed blowing air is supported. Machine arrangement according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that a transport device is provided with a plurality in the transport direction (T) of the substrates successively arranged transport units, said transport device comprises a plurality of transport cylinders, wherein the transport cylinder in each case at least one holding element have, wherein the respective holding element holds the respective substrate in each case by a frictional connection or by a positive connection. Machine arrangement according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, characterized in that the non-impact printing device ( 06 ; 127 ) is formed as at least one inkjet printing device, said non-impact printing device ( 06 ; 127 ) several different inks, wherein for each of these inks with respect to the non-impact printing device ( 06 ; 127 ) is provided in each case a specific inkjet printing device. Machine arrangement according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, characterized in that the non-impact printing device ( 06 ; 127 ) has four or five or six or seven individually controlled inkjet printing devices, said inkjet printing devices in the transport direction (T) of the substrates are arranged one behind the other and / or are formed so that they each at least almost in their complete, transverse to the transport direction (T) directed width can print. Machine arrangement according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9, characterized in that a feeder ( 01 ) and one with a transfer drum ( 14 ) cooperating vibration gripper ( 13 ) are provided, wherein the substrates in the feeder ( 01 ) and individually by means of the vibrating gripper ( 13 ) to the transfer drum ( 14 ) and from there to a rotating system pressure cylinder ( 119 ), whereby the plant pressure cylinder ( 119 ) on its lateral surface in each case two or three in each case circumferentially successively arranged substrates receiving receiving and / or wherein each of the substrates to be transported on the lateral surface of the system pressure cylinder ( 119 ) is held by means of at least one designed as a gripper holding element. Machine arrangement according to claim 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10, characterized in that the processing stations ( 01 ; 02 ; 03 ; 04 ; 06 ; 07 ; 08 ; 09 ; 11 ; 12 ) are each formed as a module, each module being a self-fabricated machine unit or functional assembly. Machine arrangement according to claim 11, characterized in that the machine unit or functional assembly is arranged in a separate frame.

Images