EP2809520B1 - Device for a web-fed rotary printing press for processing one or more printed webs, and methods for forming a longitudinally-folded strand - Google Patents

Device for a web-fed rotary printing press for processing one or more printed webs, and methods for forming a longitudinally-folded strand Download PDF

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Publication number
EP2809520B1
EP2809520B1 EP12770021.9A EP12770021A EP2809520B1 EP 2809520 B1 EP2809520 B1 EP 2809520B1 EP 12770021 A EP12770021 A EP 12770021A EP 2809520 B1 EP2809520 B1 EP 2809520B1
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EP
European Patent Office
Prior art keywords
former
strand
openings
web
region
Prior art date
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Active
Application number
EP12770021.9A
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German (de)
French (fr)
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EP2809520A1 (en
Inventor
Thorsten Winfried HAAG
Stefan Wander
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Koenig and Bauer AG
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Koenig and Bauer AG
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Publication of EP2809520A1 publication Critical patent/EP2809520A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/58—Folding or cutting lengthwise
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement
    • B65H45/221—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement incorporating folding triangles
    • B65H45/223—Details of folding triangles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/113—Details of the part distributing the air cushion
    • B65H2406/1132—Multiple nozzles arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/35—Other elements with suction surface, e.g. plate or wall
    • B65H2406/351—Other elements with suction surface, e.g. plate or wall facing the surface of the handled material

Definitions

  • the invention relates to a device of a web-fed rotary printing press for processing one or more printed webs and to a method for forming a longitudinally folded web according to the preamble of claims 1 and 10, respectively.
  • a nose plate of a folder known, which has on its side acting together with the web air outlet openings.
  • the arrangement of openings in a base plate of the nose plate and in a displaceable against the base plate cover plate, the effective air outlet openings can be varied from a maximum size (full coverage) to zero (no coverage).
  • all or one of the nose-facing portions of the noseplate openings may be connected to a vacuum instead of compressed air, while in a rear portion of the former, for example, friction may be achieved by blowing Compressed air is reduced.
  • the DE 29 21 757 A1 discloses a former, which has a plurality of compressed air supply chambers for Blas Kunststoffö réelleen in the region of its legs, whereby by location, size and shape of the openings optimal air dosing can be achieved.
  • An Indian DE 100 31 814 A1 disclosed former has blown air openings in both a thigh and a nose area.
  • a volume flowing under the web can be varied by means of a closing element.
  • the WO 2010/112357 A1 discloses a newspaper product in a super-panoramic format and a method and apparatus for producing the same, wherein a web strand to be fed to a longitudinal former is formed upstream of the former through longitudinal folding or integrally bonding two webs.
  • the invention has for its object to provide a device of a web-fed rotary printing press for processing one or more printed webs and a method for forming a longitudinally folded strand.
  • the invention in connection with the inline production of a product, in particular newspaper product, with a longitudinally sized seam and / or an over-width, in particular deployable position to apply.
  • the newspaper product contains z. B. a folded layer, which has a width of three or four newspaper pages (in particular standing newspaper pages or broadsheet pages) after being hit.
  • Fig. 1 shows an example of a trained as a web-fed rotary printing press, in particular a newspaper printing machine.
  • This is characterized z. B. by at least two equipped for production on a common hopper assembly 03 printing towers 01 and / or z. B. by at least two multi-colored on both sides in printing units 02 printed webs 04; 06 off.
  • These are after going through one Superstructure 07 and the funnel structure 03 in a folder 08 together to a product, in particular newspaper product, processable.
  • a strand 18, z. B. folded strand 18, in product sections transverse cutting, not shown cross cutting direction is downstream of the folding jig 13 and either the folding apparatus 08 or upstream of the folder 08 in the strand path.
  • the printing machine is z. B. designed to produce conventional newspaper products with one or more layers with in the open state in each case a width of one or two newspaper pages.
  • the newspaper pages are preferably made in a broadsheet arrangement, i. H. on the web 04; 06 are or the printed pages of the later product are oriented such that their page head and foot are spaced in the web longitudinal direction and their left and right side edge parallel to the web edge.
  • the print image templates of the printed pages on the printing cylinder 05 in particular form cylinder 05 in the circumferential direction z. B. arranged standing. At least one at least two-sided position is z. B. longitudinally folded on the traversed by this former 13, so that on one strand side a longitudinal fold 17 is formed.
  • the hopper assembly 03 has at least one former 13.
  • the funnel structure 03 in a funnel plane two formers 13 side by side.
  • several hopper levels can be provided one above the other, each with one or more formers 13.
  • a longitudinal cutting device 12 (dashed lines) may be provided in the center of a hopper, through which in optional Production way a funnel center section in the web strand 25 can be introduced.
  • the former 13 is known to be formed on its effective for folding, along the transport direction T13 considered length with a substantially triangular outer contour. This is formed by two in the transport direction T13 converging hopper flanks 23 which form either at the bottom, ie the downstream end together a nose portion 26 (funnel nose 26) or z. B. in the lower part by a -. B. from the remaining former 13 detachably arranged - funnel nose 26 are continued.
  • regions 28 with openings 24, z. B. blowing air openings 24, is provided. These are provided in the cooperating with the web to be folded strand 25 surface and open into one or more chambers 29 or chamber portions 29 of a same chamber 29.
  • chambers 29 or chamber areas 29 are fluid technically with a relation to the ambient pressure higher pressure P + , ie Overpressure P + , fluid having leading fluid line 31 is connected, which in turn is connected to a provided with the overpressure P + fluid providing unit 32 in combination (schematically, for example, in Fig. 4 indicated).
  • the chambers 29 and chamber regions 29 may be supplied by a plurality of fluid lines 31, which open into a common supply line or individually with the unit 32, z. B. a compressed air source 32 such as a pump or a fan or compressor, are connected.
  • the two regions 28 forming the funnel flanks 23 are preferably connected to one another via a funnel blade 33.
  • the chambers 29 or chamber regions 29 and / or blown air openings 24 can extend into the Nose region 26 of the former 13 extend, so that finally along the funnel flanks 23 and in the nose region 26, a reduction of the friction by blowing air takes place.
  • the regions 28 forming the funnel flanks 23 do not extend into a nose region 26 but are continued in the region of the downstream end by a funnel nose 26.
  • This specially trained funnel nose 26 is, for example, detachably connected or connectable to the funnel base body 34 comprising the funnel flanks 23 and the funnel blade 33.
  • the sides of the funnel nose 26 in this case geometrically continue the funnel flanks 23 having the regions 28 or represent part of effective funnel flanks.
  • openings 27, for example are also provided in the surface of the funnel nose 26 cooperating with the web strand 25 to be folded. B. blowing air openings 27 are provided, which open into one or more chambers 36 or chamber portions 36 of a same chamber 36.
  • a connector 41 fluidly with a respect to the ambient pressure higher pressure P +, ie overpressure leading P +, fluid comprising fluid conduit 37 is connected, in turn, with one or with which the positive pressure P + acted upon fluid providing aggregate 32 is in communication (eg in Fig. 4 ).
  • the configuration of the former 13 with funnel flanks 23 having at least blown air openings 24, advantageously with a nose region 26 having blown air openings 24 (with or without specially provided funnel nose 26), is preferably to be used for all subsequent embodiments of the device or the method according to the invention.
  • the former 13 - in addition to the Blas Kunststoffö réelleen 24; 27 - at least one, preferably a plurality of the web strand 25 to be folded facing openings 38, z. B. suction openings 38, which fluidly with a compared to the ambient pressure lower pressure P - , z. B. vacuum P - , having fluid line 39 is connected, which in turn with a negative pressure P - providing aggregate 43, z. B. a negative pressure source 43 such as a pump or a suction fan, is in communication (schematically z Fig. 4 indicated).
  • the fluid line 39 with a fan in the region of a longitudinal cutting device 21; 62 be provided previously provided suction device.
  • the at least one suction opening 38 and the suction openings 38 are during production, ie during production or during the continuous pressure, with the negative pressure P - in conjunction, ie it is in the region of the mouth of the opening 38, a negative pressure P - .
  • an overpressure P + at by these or more of these openings 24 are in communication with the overpressure P + .
  • the at least one opening 38 or a plurality of openings 38 are provided on the web strand 25 facing side of the former 13, in particular on the hopper sheet 33, with its mouth or mouths fixed to the former 13 and the hopper sheet 33 thereof. They do not serve a "gripping" or a “holding” the lowest layer of web, but the suction possibly between strand and funnel sheet 33 located air.
  • the openings 38 are preferably formed as openings of holes or recesses, which are provided directly in the hopper plate 33 or in a fixedly connected to the hopper plate 33 cover plate.
  • the former 13 has between a left and a right Blas Kunststoffö réelleen 24 having flank-side portion a region with one or a plurality of such with negative pressure P- acted upon or to be acted upon openings 38.
  • the arrangement of suction openings 38 between areas with Blas Kunststoffö réelleen 24 is a low friction when deflecting the on or multi-layer web strand 25 ensures, however, immediately inward flowing fluid again removed.
  • the friction in the nose portion 26 is also reduced by a few Blasluftö réelleen 27.
  • the amount of air introduced in the nose region 26 is comparatively small with respect to the remaining air.
  • each hopper flank 23 a running along the hopper flank 23 chamber 29 are provided, which are connected via two connecting pieces 41 via fluid lines 31 to the unit 32.
  • the funnel nose 26 associated chamber 36 is also connected to the unit 32.
  • a region 42 with suction openings 38 is provided at the former 13, in particular on the funnel sheet 33, a region 42 with suction openings 38.
  • the or at least a plurality of openings 38 open z. B. in a chamber 44, which is connected via the fluid line 39 to the unit 43 in conjunction.
  • a longitudinal section of the former 13 - wherein a section length of the former 13 in the transport direction T13 is considered as a longitudinal section - which has a plurality of blown air openings 24 spaced apart in the transport direction T13 in the area 28 of both funnel flanks 23, at least one, preferably several, suction openings 38 between the blown air openings 24 having flank sections arranged.
  • at least one suction opening 38 is arranged at a level of the folding funnel 13, on which or downstream thereof - in the area 28 of the two funnel flanks 23 and / or in the nose area 26 - at least one Blowing air opening 24; 27 is provided. It overlap in the longitudinal direction of the former 13 views z.
  • B a plurality of suction openings 38 exhibiting longitudinal section and a longitudinal section in which funnel flank side blowing air openings 24 are provided.
  • suction openings 38 are preferably provided upstream of these blown air openings 27 of the nose region 26.
  • the at least one suction opening 38 or suction openings 38 are z. B. at one of a releasably connected funnel nose 26 different part of the former 13, z. B. in the region of both sides opening into the funnel flanks 23 Funnel sheet 33 of the funnel body 34.
  • a second embodiment takes place - in addition to or instead of the suction on the former 13 - a suction of blowing air after the complete folding process, in particular in the former 13 downstream strand path.
  • the fold strand 18 (or at least part of the fold strand 18, if this is divided, for example) via at least one guide element 46; 47; 48; 49 led to the exit of the funnel structure 03 or to an input in the folding apparatus 08.
  • the folding strand 18 is first conveyed by a pair of guide elements 46 formed as folding rollers 46, by a guide element 47 designed as a draw roller 47, and optionally via one or more deflection rollers 48 trained guide elements 48 out.
  • a main strand 51 can be formed of a plurality of folding creases 18 on in the manner of collecting rollers 49 effective guide elements 49.
  • a suction device 52 is provided with at least one suction opening 53 in the strand path between the former 13 and folder 08, preferably before merging with one or more folding strands 18, which on the open strand side, ie on the longitudinal fold 17 opposite longitudinal side of Folded strand 18, engages the seaming line 18.
  • the suction opening 53 forms, for example, the open end of a lance-shaped nozzle 54, which fluidly with a relation to the ambient pressure lower pressure P - .
  • negative pressure P - having fluid line 56 is connected, in turn, with a negative pressure P - providing aggregate 43, z.
  • a negative pressure source 43 such as a pump or a suction fan, is in communication (schematically z Fig.
  • this may be the existing unit 43 of a suction device, not shown.
  • the nozzle 54 and the nozzle 54 forming pipe section 54 may have a deviating from the circular shape, z. B. oval and / or stretched in the strand direction or transverse to the strand running direction have a cross-section.
  • the suction of air at the former 13 and / or in Strangweg is advantageous to apply in all printing presses or production methods, wherein at least a two-sided wide position is guided over a blown air operated former 13 and receives a longitudinal fold 17.
  • the o. G. Suction of air at the former 13 and / or in the strand path advantageously provided in conjunction with a web-fed rotary printing press or a production, wherein the former 13 in the strand path means, in particular a not shown Lfitsfalzvorplatz and / or a Lssensleim Anlagen 14, z. B. applicator 14, are arranged upstream, by which upstream of the former 13 by longitudinal bonding and / or Leksfalzen a on the former 13 to be introduced double layer 57 can be formed.
  • double layer" 57 means a strand or partial strand, wherein two layers lie on one another and, in particular in a lateral edge region, are interconnected longitudinally. If such a double layer 57 is guided over the former 13, there is an increased risk of the formation of air entrapment.
  • the web-fed rotary printing machine z. B. also designed to, for example, in Fig. 9 illustrated products 58, in particular newspaper products 58, produce, which at least one layer S, z. B. has an over-wide layer S, which in the fully open state, a width of more than two, preferably more than three pages of the relevant newspaper format has (see, eg. Fig. 9 ).
  • the product 58 (or partial product) can then have one or more two- or one-side-wide ("normal") layers L and at least one over-wide layer S, preferably as the inner layer of the strand section or partial product (also referred to as a booklet or section).
  • the position S in the product 58 or in the folded strand 18 results from longitudinal folding of an above-mentioned double layer 57, as shown schematically in FIG Fig. 10 is set forth.
  • Such a product 58 has z. B. at least one over-wide layer S. This has a two-side width, a central longitudinal fold 17 having central portion 59, and in the unfolded state on at least one side of the central region 59 to this continuing outdoor area 61.
  • This outer region 61 can be formed in one embodiment by means of gluing with the central region 59 connected, preferably at most Einchumble web 04a1; 04A2. In an advantageous embodiment, shown on both sides of the central region 59 a continuing this outdoor 61 is provided. This outer region 61 is arranged laterally in coincidence with the central region 59, but is to be folded out in the manner of a hinged side 61 to the outside.
  • z. B. continuous print image may be provided.
  • the printed images for the central region 59 and the outer region 61 arranged on the forme cylinders 05 are to be correspondingly exposed and / or aligned therefor.
  • Fig. 10a is exemplary and schematically the formation of the fold strand 18 or an over-wide layer S by two originally two-sided widths 04 and 04a; 04b shown.
  • a later folding pages 61 forming web 04a z. B. centrally through a longitudinal cutting device 62 (21) in the two web strands 04a1; 04a2 cut longitudinally. If only one side hinged side 61 should be provided, then a z. B. only maximum width side web 04a1 or part web 04a1 be performed without repeated cut.
  • a z. B only maximum width side web 04a1 or part web 04a1 be performed without repeated cut.
  • glue 63 Before running on the former 13 and the former 13 upstream of the former 16 is then between the aligned edges on one of the two to be glued to each other web strands 04a1; 04A2; 04b glue 63 applied. By merging these two superimposed tracks 04a1; 04A2; 04b they are glued together at an edge region and form the layer S or
  • the height-offset representation of the web strands 04a1 and 04a2 in Fig. 10 serve the better recognizability of the web strands 04a1 and 04a2, which otherwise follow the cutting line virtually uninterruptedly. These preferably run in the case of a plurality of web strands 04a1 (at most one-side-wide) to be connected to a web strand 04b; 04a2 (04a3) on a same level on the hopper assembly 03 and an upstream roller 16 a.
  • Fig. 10b shows an advantageous example of the formation of the fold strand 18 or the over-wide layer S of the fold strand 18 by web strands 04a1; 04A2; 04b of partial webs 04a; 04b of a same original four-page-wide web 04 (or four-page partial web of a six-page-long original web).
  • the four-side-width web 04 by a longitudinal cutting device 21 in a two-sided wide part web 04b; 04a and a maximum two-sided width partial web 04a; 04b cut longitudinally and downstream either the later central region 59 or the later flap sides 61 forming part web 04b; 04a by means of a turning device 22, z.
  • the later folding pages 61 forming partial web 04a is z. B. centrally through an additional longitudinal cutting device 62 in the two web strands 04a1; 04a2 cut longitudinally. If only one side 61 a folding page to be provided, it can be generated by the longitudinal cutting device 62 from the web 04, for example, only a maximum Eintreumble partial web 04a. As in the above example, before landing on the roller 16 between the aligned edges on one of the web strands 04a1; 04A2; 04b glue 63 applied.
  • Fig. 10c schematically shows the folded strand 18 thus produced, which represents the over-wide layer S in the product 58.
  • the forme cylinder 05 may additionally on the strand side of the folded flap sides 61 'centrally with a single-sided web strand 04a' in the strand center, z. B. in a caused by a joint line of adjacent printing plates pressure-free area (eg, again by means of an applicator 14 'by gluing) before the resulting web strand is centered on the former 13.
  • a cross section of a fold strand 18 'or an overly wide layer S' produced in this way is z.
  • the forme cylinder 05 ' has at least one double-width, preferably one, over at least three printed pages continuous printing form.
  • a together with the respective form cylinder 05 acting printing cylinder 15, z. B. transfer cylinder 15 side by side several double-sided width blankets (blankets) have.
  • the transfer cylinder 15 has at least one printing blanket extending over the entire effective cylinder length.
  • the printing press Preferably, in the printing press several tracks 04; 06 printed in several printing towers 01 and combined into a common product 58.
  • the web 04 which is used to form the over-wide layer S is guided through the active dryer 09 and / or is made of satined and / or more coated paper, while the webs 06 to be used for forming other layers L have no drying support guided and / or formed from newsprint.
  • the suction on the former 13 and / or in the Strangweg is in the cases of the production of products 58 with at least one longitudinally glued seam or with an over-wide layer S of great advantage.
  • z. B. also a bursting of a sizing by air inclusion avoided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Description

Die Erfindung betrifft eine Vorrichtung einer Rollenrotationsdruckmaschine zur Verarbeitung einer oder mehrerer bedruckter Bahnen sowie ein Verfahren zur Bildung eines längsgefalzten Stranges gemäß dem Oberbegriff der Ansprüche 1 bzw. 10.The invention relates to a device of a web-fed rotary printing press for processing one or more printed webs and to a method for forming a longitudinally folded web according to the preamble of claims 1 and 10, respectively.

Aus der DE 44 35 528 A1 ist eine Nasenplatte eines Falztrichters bekannt, welche auf seiner mit der Bahn zusammen wirkenden Seite Luftaustrittsöffnungen aufweist. Durch die Anordnung von Öffnungen in einer Grundplatte der Nasenplatte und in einer gegen die Grundplatte verschiebbaren Deckplatte können die wirksamen Luftaustrittsöffnungen von einer maximalen Größe (volle Deckung) bis zu Null (keine Deckung) variiert werden. In einer Variante können, um das Falzen an der Spitze zu unterstützen, sämtliche oder ein der Nase zugewandter Teil der im Bereich der Nasenplatte vorgesehenen Öffnungen anstelle von Druckluft an ein Vakuum angeschlossen werden, während beispielsweise in einem hinteren Teil des Falztrichters die Reibung durch Blasen von Druckluft vermindert wird.From the DE 44 35 528 A1 is a nose plate of a folder known, which has on its side acting together with the web air outlet openings. The arrangement of openings in a base plate of the nose plate and in a displaceable against the base plate cover plate, the effective air outlet openings can be varied from a maximum size (full coverage) to zero (no coverage). In one variant, to assist in crimping at the tip, all or one of the nose-facing portions of the noseplate openings may be connected to a vacuum instead of compressed air, while in a rear portion of the former, for example, friction may be achieved by blowing Compressed air is reduced.

Die DE 29 21 757 A1 offenbart einen Falztrichter, welcher im Bereich seiner Schenkel mehrere Druckluftzuführungskammern für Blasluftöffnungen aufweist, wobei durch Lage, Größe und Form der Öffnungen eine optimale Luftdosierung erreicht werden kann.The DE 29 21 757 A1 discloses a former, which has a plurality of compressed air supply chambers for Blasluftöffnungen in the region of its legs, whereby by location, size and shape of the openings optimal air dosing can be achieved.

Ein in der DE 100 31 814 A1 offenbarter Falztrichter weist Blasluftöffnungen sowohl in einem Schenkel- als auch in einem Nasenbereich auf. Ein unter der Bahn abströmendes Volumen ist durch ein Schließelement variierbar.An Indian DE 100 31 814 A1 disclosed former has blown air openings in both a thigh and a nose area. A volume flowing under the web can be varied by means of a closing element.

Durch die EP 1 088 780 A2 ist es bekannt, Blas- oder Saugluftöffnungen in bedruckstoffführenden Leiteinrichtungen durch flächige Elemente wahlweise abzudecken.By the EP 1 088 780 A2 it is known blowing or suction air openings in optional covering of printed material guiding devices by flat elements.

Die WO 2010/112357 A1 offenbart ein Zeitungsprodukt in einem Superpanoramaformat sowie ein Verfahren und eine Vorrichtung zur Erzeugung desselben, wobei ein einem Längsfalztrichter zuzuführender Bahnstrang stromaufwärts des Falztrichters durch Längsfalzen oder stoffschlüssiges Verbinden zweier Bahnen gebildet wird.The WO 2010/112357 A1 discloses a newspaper product in a super-panoramic format and a method and apparatus for producing the same, wherein a web strand to be fed to a longitudinal former is formed upstream of the former through longitudinal folding or integrally bonding two webs.

Durch die DE 198 11 109 A1 ist ein Falztrichter offenbart, welcher im Trichterblech in Bahntransportrichtung verlaufende Schlitze aufweist, in welchen endlose, motorisch angetriebene Transportbänder mit Saugluftöffnungen verlaufen. Zum Einziehen einer Bahn werden die Transportbänder bei Bedarf mit Saugluft beaufschlagt, um die untere Papierbahn anzusaugen und über den Falztrichter zu fördern.By the DE 198 11 109 A1 discloses a former, which has in the hopper plate in Bahntransportrichtung extending slots in which run endless, motor-driven conveyor belts with Saugluftöffnungen. For drawing in a web, the conveyor belts are acted upon if necessary with suction to suck the lower paper web and conveyed through the former.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung einer Rollenrotationsdruckmaschine zur Verarbeitung einer oder mehrerer bedruckter Bahnen sowie ein Verfahren zur Bildung eines längsgefalzten Stranges zu schaffen.The invention has for its object to provide a device of a web-fed rotary printing press for processing one or more printed webs and a method for forming a longitudinally folded strand.

Die Aufgabe wird erfindungsgemäß durch die Merkmale der Ansprüche 1 bzw. 10 gelöst.The object is achieved by the features of claims 1 and 10, respectively.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, dass die Gefahr eines Abschmierens eines über einen Falztrichter geführten bedruckten Stranges wirksam verringert werden kann. Dies ist nun möglich, ohne dass es im weiteren Strangverlauf durch Lufteinschlüsse zu Problemen oder gar zu einer Schädigung des gefalzten Stranges kommt. Durch die Blasluftwirkung im Bereich der Flanken und ggf. im Bereich der Trichternase wird im Bereich der durch Umlenkung erhöhten Belastung die Reibung vermindert, während zumindest ein Teil der vor der Trichternase eingebrachten Luft in einem zwischen den Flanken liegenden Bereich und/oder aus dem längsgefalzten Strang abgesaugt wird.The advantages that can be achieved with the invention are, in particular, that the risk of greasing of a printed strand guided via a former can be effectively reduced. This is now possible without problems in the further course of the strand due to air inclusions or even damage to the folded strand. Due to the blowing air effect in the region of the flanks and optionally in the region of the funnel nose, friction is reduced in the region of the load due to deflection, while at least a part of the air introduced in front of the funnel nose lies in an area lying between the flanks and / or in the longitudinally folded strand is sucked off.

Es kann je nach Bedarf die Blasluftmenge im Bereich der Flanken erhöht werden, wobei diese Menge dann zu einem Großteil wieder abgesaugt wird und daher nicht zwangsläufig einen vergrößerten Lufteinschluss im gefalzten Strang bedingt.It can be increased as needed, the amount of air blast in the flanks, this amount is then sucked to a large extent again and therefore does not necessarily cause an increased air entrapment in the folded strand.

Eine Anordnung von Saugöffnungen zwischen den im Flankenbereich vorgesehenen Blasluftöffnungen oder an einer in den Strang eingreifenden Düse gewährleistet sowohl das schmierfreie Umlenken durch ausreichende Luftzufuhr als auch eine Verringerung des Risikos einer Sackbildung.An arrangement of suction openings between the provided in the flank area Blasluftöffnungen or on a strand engaging nozzle ensures both the lubrication-free deflection by sufficient air supply and a reduction in the risk of bagging.

Mit besonderen Vorteilen ist die Erfindung im Zusammenhang mit der Inline-Herstellung eines Produktes, insbesondere Zeitungsproduktes, mit einer längs geleimten Naht und/oder einer überbreiten, insbesondere ausklappbaren Lage anzuwenden. Das Zeitungsprodukt enthält dort z. B. eine gefalzte Lage, die nach dem Aufschlagen eine Breite von drei oder vier Zeitungsseiten (insbesondere stehende Zeitungsseiten bzw. Broadsheetseiten) aufweist.With particular advantages, the invention in connection with the inline production of a product, in particular newspaper product, with a longitudinally sized seam and / or an over-width, in particular deployable position to apply. The newspaper product contains z. B. a folded layer, which has a width of three or four newspaper pages (in particular standing newspaper pages or broadsheet pages) after being hit.

Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im Folgenden näher beschrieben.Embodiments of the invention are illustrated in the drawings and will be described in more detail below.

Es zeigen:

Fig. 1
ein Beispiel für eine vorzugsweise als Zeitungsdruckmaschine ausgebildeten Rollenrotationsdruckmaschine;
Fig. 2
eine Ausführung eines Falzaufbaus mit Blasluft- und Saugöffnungen aufweisenden Falztrichtern;
Fig. 3
eine perspektivische Vorderansicht eines Blasluft- und Saugöffnungen aufweisenden Falztrichters;
Fig. 4
eine perspektivische Rückansicht eines im Rückenbereich offenen, Blasluft- und Saugöffnungen aufweisenden Falztrichters;
Fig. 5
eine perspektivische Rückansicht gemäß Fig. 4, jedoch mit Abdeckung;
Fig. 6
eine Ausführung eines Falzaufbaus mit Blasluftöffnungen aufweisenden Falztrichtern und einer Absaugung im stromabwärtigen Strangweg;
Fig. 7
ein Ausschnitt aus der Anordnung der Absaugung aus Fig. 6 in Seitenansicht;
Fig. 8
a) ein Ausschnitt aus der Anordnung der Absaugung aus Fig. 7 im Querschnitt und b) eine Vorderabsicht der Öffnung der Absaugung;
Fig. 9
eine schematische Darstellung eines Strangabschnittes bzw. einer Produktes mit überbreiter Lage;
Fig. 10
eine schematische Ansicht für eine erste Ausführung zur Herstellung eines Produktes c) mit einer überbreiten Lage aus zwei Bahnen a), aus einer geschnitten breiten Bahn b);
Fig. 11
eine schematische Darstellung für eine zweite Ausführung zur Herstellung eines Produktes mit überbreiter Lage b) aus einer breiten und einer schmalen Bahn a).
Show it:
Fig. 1
an example of a preferably designed as a newspaper printing machine web-fed rotary printing press;
Fig. 2
an embodiment of a Falzaufbaus with Blasluft- and suction openings having formers;
Fig. 3
a front perspective view of a blown air and suction ports having folding funnel;
Fig. 4
a rear perspective view of an open in the back region, blowing air and suction openings folding former;
Fig. 5
a perspective rear view according to Fig. 4 but with cover;
Fig. 6
an embodiment of a Falzaufbaus with Blasluftöffnungen having folding hoppers and a suction in the downstream Strangweg;
Fig. 7
a section of the arrangement of the suction Fig. 6 in side view;
Fig. 8
a) a section of the arrangement of the suction Fig. 7 in cross-section and b) a front intention of the opening of the suction;
Fig. 9
a schematic representation of a strand section or a product with over-wide position;
Fig. 10
a schematic view of a first embodiment for producing a product c) with an over-wide layer of two webs a), from a cut-wide web b);
Fig. 11
a schematic representation of a second embodiment for producing a product with over-wide layer b) of a wide and a narrow web a).

Fig. 1 zeigt ein Beispiel einer als Rollenrotationsdruckmaschine ausgebildeten Druckmaschine, insbesondere einer Zeitungsdruckmaschine. Diese zeichnet sich z. B. durch mindestens zwei zur Produktion auf einen gemeinsamen Trichteraufbau 03 eingerichtete Drucktürme 01 und/oder z. B. durch mindestens zwei beidseitig mehrfarbig in Druckeinheiten 02 bedruckte Bahnen 04; 06 aus. Diese sind nach Durchlaufen eines Überbaus 07 und des Trichteraufbaus 03 in einem Falzapparat 08 gemeinsam zu einem Produkt, insbesondere Zeitungsprodukt, verarbeitbar. Eine den Strang 18, z. B. Falzstrang 18, in Produktabschnitte quer schneidende, nicht dargestellte Querschneidrichtung ist dem Falzrichter 13 nachgeordnet und entweder dem Falzapparat 08 zu- oder im Strangweg dem Falzapparat 08 vorgeordnet. Fig. 1 shows an example of a trained as a web-fed rotary printing press, in particular a newspaper printing machine. This is characterized z. B. by at least two equipped for production on a common hopper assembly 03 printing towers 01 and / or z. B. by at least two multi-colored on both sides in printing units 02 printed webs 04; 06 off. These are after going through one Superstructure 07 and the funnel structure 03 in a folder 08 together to a product, in particular newspaper product, processable. A strand 18, z. B. folded strand 18, in product sections transverse cutting, not shown cross cutting direction is downstream of the folding jig 13 and either the folding apparatus 08 or upstream of the folder 08 in the strand path.

Die Druckmaschine ist z. B. dazu ausgebildet, übliche Zeitungsprodukte mit ein oder mehreren Lagen mit im geöffneten Zustand jeweils einer Breite von ein oder zwei Zeitungsseiten herzustellen. Die Zeitungsseiten sind vorzugsweise in Broadsheetanordnung hergestellt, d. h. auf die Bahn 04; 06 werden bzw. sind die Druckseiten des späteren Produktes derart orientiert, dass deren Seitenkopf und -fuß in Bahnlängsrichtung beabstandet sind bzw. deren linker und rechter Seitenrand parallel zur Bahnkante verlaufen. Entsprechend sind die Druckbildvorlagen der Druckseiten auf dem Druckwerkszylinder 05, insbesondere Formzylinder 05 in Umfangsrichtung z. B. stehend angeordnet. Wenigstens eine mindestens zweiseitenbreite Lage wird z. B. auf dem von dieser durchlaufenen Falztrichter 13 längs gefalzt, so dass auf der einen Strangseite ein Längsfalz 17 gebildet wird.The printing machine is z. B. designed to produce conventional newspaper products with one or more layers with in the open state in each case a width of one or two newspaper pages. The newspaper pages are preferably made in a broadsheet arrangement, i. H. on the web 04; 06 are or the printed pages of the later product are oriented such that their page head and foot are spaced in the web longitudinal direction and their left and right side edge parallel to the web edge. Accordingly, the print image templates of the printed pages on the printing cylinder 05, in particular form cylinder 05 in the circumferential direction z. B. arranged standing. At least one at least two-sided position is z. B. longitudinally folded on the traversed by this former 13, so that on one strand side a longitudinal fold 17 is formed.

Wie z. B. in Fig. 1 und Fig. 2 erkennbar, ist ein Bahnstrang 25 aus einer oder mehreren, z. B. von Rollenwechslern 11 abgerollten und anschließend bedruckten Bahnen 04; 06 bzw. aus einer oder mehreren durch eine oder mehrere Längsschneideinrichtungen 21 (62) erzeugten Bahnen 04a; 04b, 06, insbesondere Teilbahnen 04a; 04b; 06 auf einen Falztrichter 13 des Trichteraufbaus 03 geführt und wird beim Durchlaufen des selben längs gefalzt. Der Trichteraufbau 03 weist zumindest einen Falztrichter 13 auf. In einer z. B. in Fig. 2 dargelegten beispielhaften Ausführung weist der Trichteraufbau 03 in einer Trichterebene zwei Falztrichter 13 nebeneinander auf. Grundsätzlich können auch mehrere Trichterebenen übereinander mit jeweils einem oder mehreren Falztrichtern 13 vorgesehen sein. Im Auslaufbereich des Falztrichter 13 kann trichtermittig eine Längsschneidvorrichtung 12 (strichliert) vorgesehen sein, durch welche in optionaler Produktionsweise ein Trichtermittelschnitt in dem Bahnstrang 25 einbringbar ist.Such as In Fig. 1 and Fig. 2 recognizable, is a web strand 25 of one or more, z. B. unrolled rollers 11 and then printed webs 04; 06 or from one or more webs 04a produced by one or more longitudinal cutting devices 21 (62); 04b, 06, in particular partial webs 04a; 04b; 06 guided on a former 13 of the hopper assembly 03 and is folded longitudinally while passing through the same. The hopper assembly 03 has at least one former 13. In a z. In Fig. 2 set exemplary embodiment, the funnel structure 03 in a funnel plane two formers 13 side by side. In principle, several hopper levels can be provided one above the other, each with one or more formers 13. In the outlet region of the former 13, a longitudinal cutting device 12 (dashed lines) may be provided in the center of a hopper, through which in optional Production way a funnel center section in the web strand 25 can be introduced.

Grundsätzlich unabhängig von der Ausführung des Trichteraufbaus 03 mit einem oder mehreren Falztrichtern 13 ist im Folgenden (z. B. Fig. 3 bis Fig. 5) die Ausführung des Falztrichters 13 anhand eines einzelnen Falztrichters 13 dargelegt und auf ggf. eine Mehrzahl von Falztrichter 13 des Trichteraufbaus 03 anzuwenden.Basically, regardless of the execution of the funnel structure 03 with one or more formers 13 is hereinafter (eg. FIG. 3 to FIG. 5 ) set out the execution of the former 13 on the basis of a single former 13 and apply to a plurality of former 13 of the funnel structure 03, if necessary.

Der Falztrichter 13 ist bekanntermaßen auf seiner für das Falzen wirksamen, entlang der Transportrichtung T13 betrachteten Länge mit im wesentlichen dreieckförmiger Außenkontur ausgebildet. Diese ist gebildet durch zwei in Transportrichtung T13 aufeinander zulaufende Trichterflanken 23 die entweder am unteren, d. h. stromabwärtigen Ende zusammen einen Nasenbereich 26 (Trichternase 26) ausbilden oder aber z. B. im unteren Bereich durch eine - z. B. vom übrigen Falztrichter 13 lösbar angeordnete - Trichternase 26 fortgesetzt werden. Entlang der Trichterflanken 23 sind Bereiche 28 mit Öffnungen 24, z. B. Blasluftöffnungen 24, vorgesehen. Diese sind in der mit dem zu falzenden Bahnstrang 25 zusammen wirkenden Oberfläche vorgesehen und münden in eine oder mehrere Kammern 29 oder Kammerbereichen 29 einer selben Kammer 29. Diese Kammern 29 oder Kammerbereiche 29 sind fluidtechnisch mit einer ein gegenüber dem Umgebungsdruck höheren Druck P+, d. h. Überdruck P+, aufweisendes Fluid führenden Fluidleitung 31 verbunden, welche ihrerseits mit einem das mit Überdruck P+ beaufschlagte Fluid bereitstellenden Aggregat 32 in Verbindung steht (schematisch z. B. in Fig. 4 angedeutet). Die Kammern 29 bzw. Kammerbereiche 29 können durch mehrere Fluidleitungen 31 versorgt sein, welche in einer gemeinsamen Versorgungsleitung münden oder einzeln mit dem Aggregat 32, z. B. eine Druckluftquelle 32 wie beispielsweise einer Pumpe oder einem Gebläse bzw. Verdichter, verbunden sind. Die beiden die Trichterflanken 23 bildenden Bereiche 28 sind vorzugsweise über ein Trichterblatt 33 miteinander verbunden. In einer Ausführung, in welcher die Bereiche 28 der Trichterflanken 23 zur Bildung einer Trichternase 26 zusammenlaufen, können sich die Kammern 29 bzw. Kammerbereiche 29 und/oder Blasluftöffnungen 24 bis in den Nasenbereich 26 des Falztrichters 13 erstrecken, sodass schließlich entlang der Trichterflanken 23 sowie im Nasenbereich 26 eine Reduktion der Reibung durch Blasluft erfolgt.The former 13 is known to be formed on its effective for folding, along the transport direction T13 considered length with a substantially triangular outer contour. This is formed by two in the transport direction T13 converging hopper flanks 23 which form either at the bottom, ie the downstream end together a nose portion 26 (funnel nose 26) or z. B. in the lower part by a -. B. from the remaining former 13 detachably arranged - funnel nose 26 are continued. Along the funnel edges 23 are regions 28 with openings 24, z. B. blowing air openings 24, is provided. These are provided in the cooperating with the web to be folded strand 25 surface and open into one or more chambers 29 or chamber portions 29 of a same chamber 29. These chambers 29 or chamber areas 29 are fluid technically with a relation to the ambient pressure higher pressure P + , ie Overpressure P + , fluid having leading fluid line 31 is connected, which in turn is connected to a provided with the overpressure P + fluid providing unit 32 in combination (schematically, for example, in Fig. 4 indicated). The chambers 29 and chamber regions 29 may be supplied by a plurality of fluid lines 31, which open into a common supply line or individually with the unit 32, z. B. a compressed air source 32 such as a pump or a fan or compressor, are connected. The two regions 28 forming the funnel flanks 23 are preferably connected to one another via a funnel blade 33. In an embodiment in which the regions 28 of the funnel flanks 23 converge to form a funnel nose 26, the chambers 29 or chamber regions 29 and / or blown air openings 24 can extend into the Nose region 26 of the former 13 extend, so that finally along the funnel flanks 23 and in the nose region 26, a reduction of the friction by blowing air takes place.

In einer weiterbildenden Ausführung des Falztrichters 13 verlaufen die die Trichterflanken 23 bildenden Bereiche 28 nicht bis in einen Nasenbereich 26 sondern werden im Bereich des stromabwärtigen Endes durch eine Trichternase 26 fortgesetzt. Diese eigens ausgebildete Trichternase 26 ist beispielsweise lösbar mit dem die Trichterflanken 23 und das Trichterblatt 33 umfassenden Trichtergrundkörper 34 verbunden bzw. verbindbar. Die Seiten der Trichternase 26 setzen hierbei geometrisch die die Bereiche 28 aufweisenden Trichterflanken 23 fort bzw. stellen einen Teil wirksamer Trichterflanken dar. In einer vorteilhaften Ausführung sind ebenfalls in der mit dem zu falzenden Bahnstrang 25 zusammen wirkenden Oberfläche der Trichternase 26 Öffnungen 27, z. B. Blasluftöffnungen 27 vorgesehen, welche in eine oder mehrere Kammern 36 oder Kammerbereichen 36 einer selben Kammer 36 münden. Letztere ist bzw. sind, beispielsweise über ein Anschlussstück 41, fluidtechnisch mit einer ein gegenüber dem Umgebungsdruck höheren Druck P+, d. h. Überdruck P+, aufweisendes Fluid führenden Fluidleitung 37 verbunden, welche ihrerseits mit einem oder mit dem das mit Überdruck P+ beaufschlagte Fluid bereitstellenden Aggregat 32 in Verbindung steht (z. B. in Fig. 4).In a further embodiment of the former 13, the regions 28 forming the funnel flanks 23 do not extend into a nose region 26 but are continued in the region of the downstream end by a funnel nose 26. This specially trained funnel nose 26 is, for example, detachably connected or connectable to the funnel base body 34 comprising the funnel flanks 23 and the funnel blade 33. The sides of the funnel nose 26 in this case geometrically continue the funnel flanks 23 having the regions 28 or represent part of effective funnel flanks. In an advantageous embodiment, openings 27, for example, are also provided in the surface of the funnel nose 26 cooperating with the web strand 25 to be folded. B. blowing air openings 27 are provided, which open into one or more chambers 36 or chamber portions 36 of a same chamber 36. The latter is or are, for example, via a connector 41, fluidly with a respect to the ambient pressure higher pressure P +, ie overpressure leading P +, fluid comprising fluid conduit 37 is connected, in turn, with one or with which the positive pressure P + acted upon fluid providing aggregate 32 is in communication (eg in Fig. 4 ).

Die Ausgestaltung des Falztrichters 13 mit zumindest Blasluftöffnungen 24 aufweisenden Trichterflanken 23, vorteilhaft mit einem Blasluftöffnungen 24 aufweisenden Nasenbereich 26 (mit oder ohne eigens vorzusehender Trichternase 26) ist vorzugsweise für sämtliche nachfolgenden Ausführungen der erfindungsgemäßen Vorrichtung bzw. des erfindungsgemäßen Verfahrens anzuwenden.The configuration of the former 13 with funnel flanks 23 having at least blown air openings 24, advantageously with a nose region 26 having blown air openings 24 (with or without specially provided funnel nose 26), is preferably to be used for all subsequent embodiments of the device or the method according to the invention.

In einer ersten Ausführung weist der Falztrichter 13 - zusätzlich zu den Blasluftöffnungen 24; 27 - mindestens eine, vorzugsweise mehrere dem zu falzenden Bahnstrang 25 zugewandte Öffnungen 38, z. B. Saugöffnungen 38 auf, welche fluidtechnisch mit einer gegenüber dem Umgebungsdruck geringeren Druck P-, z. B. Unterdruck P-, aufweisenden Fluidleitung 39 verbunden ist, welche ihrerseits mit einem den Unterdruck P- bereitstellenden Aggregat 43, z. B. einer Unterdruckquelle 43 wie beispielsweise einer Pumpe oder einem Sauggebläse, in Verbindung steht (schematisch z. B. in Fig. 4 angedeutet). In einer vorteilhaften Ausgestaltung kann die Fluidleitung 39 mit einem Gebläse einer im Bereich einer Längsschneideinrichtung 21; 62 ehedem vorgesehenen Absaugeinrichtung verbunden sein.In a first embodiment, the former 13 - in addition to the Blasluftöffnungen 24; 27 - at least one, preferably a plurality of the web strand 25 to be folded facing openings 38, z. B. suction openings 38, which fluidly with a compared to the ambient pressure lower pressure P - , z. B. vacuum P - , having fluid line 39 is connected, which in turn with a negative pressure P - providing aggregate 43, z. B. a negative pressure source 43 such as a pump or a suction fan, is in communication (schematically z Fig. 4 indicated). In an advantageous embodiment, the fluid line 39 with a fan in the region of a longitudinal cutting device 21; 62 be provided previously provided suction device.

Die mindestens eine Saugöffnung 38 bzw. die Saugöffnungen 38 stehen während des Produktionsbetriebes, d. h. während der Produktion bzw. während des Fortdruckes, mit dem Unterdruck P- in Verbindung, d. h. es liegt im Bereich der Mündung der Öffnung 38 ein Unterdruck P- an. Gleichzeitig bzw. parallel hierzu liegt während des Betriebes im Bereich der Mündung der Öffnungen 24 ein Überdruck P+ an, indem diese bzw. mehrere dieser Öffnungen 24 mit dem Überdruck P+ in Verbindung stehen.The at least one suction opening 38 and the suction openings 38 are during production, ie during production or during the continuous pressure, with the negative pressure P - in conjunction, ie it is in the region of the mouth of the opening 38, a negative pressure P - . At the same time or parallel to this during operation in the region of the mouth of the openings 24, an overpressure P + at by these or more of these openings 24 are in communication with the overpressure P + .

Die mindestens eine Öffnung 38 ist bzw. eine Mehrzahl von Öffnungen 38 sind auf der dem Bahnstrang 25 zugewandten Seite des Falztrichters 13, insbesondere am Trichterblatt 33, mit ihrer Mündung bzw. ihren Mündungen ortsfest am Falztrichter 13 bzw. dessen Trichterblatt 33 vorgesehen. Sie dienen nicht einem "Greifen" oder einem "Festhalten" der untersten Bahnlage, sondern dem Absaugen ggf. zwischen Strang und Trichterblatt 33 befindlicher Luft. Die Öffnungen 38 sind bevorzugt als Mündungen von Bohrungen oder Ausnehmungen ausgebildet, welche direkt im Trichterblech 33 oder in einem fest mit dem Trichterblech 33 verbundenen Abdeckblech vorgesehen sind.The at least one opening 38 or a plurality of openings 38 are provided on the web strand 25 facing side of the former 13, in particular on the hopper sheet 33, with its mouth or mouths fixed to the former 13 and the hopper sheet 33 thereof. They do not serve a "gripping" or a "holding" the lowest layer of web, but the suction possibly between strand and funnel sheet 33 located air. The openings 38 are preferably formed as openings of holes or recesses, which are provided directly in the hopper plate 33 or in a fixedly connected to the hopper plate 33 cover plate.

Insbesondere weist der Falztrichter 13 zwischen einem linken und einem rechten Blasluftöffnungen 24 aufweisenden flankenseitigen Abschnitt einen Bereich mit einer oder mit einer Mehrzahl derartig mit Unterdruck P- beaufschlagter bzw. zu beaufschlagender Öffnungen 38 auf. Durch die Anordnung von Saugöffnungen 38 zwischen Bereichen mit Blasluftöffnungen 24 wird eine geringe Reibung beim Umlenken des ein- oder mehrlagigen Bahnstranges 25 gewährleistet, jedoch nach Innen strömendes Fluid gleich wieder entfernt. In der o. g. Weiterbildung mit dem Blasluftöffnungen 27 aufweisenden Nasenbereich 26 wird die Reibung im Nasenbereich 26 durch einige wenige Blasluftöffnungen 27 ebenfalls verringert. Der im Nasenbereich 26 eingebrachte Luftanteil ist jedoch zum übrigen Lufteintrag vergleichsweise gering.In particular, the former 13 has between a left and a right Blasluftöffnungen 24 having flank-side portion a region with one or a plurality of such with negative pressure P- acted upon or to be acted upon openings 38. The arrangement of suction openings 38 between areas with Blasluftöffnungen 24 is a low friction when deflecting the on or multi-layer web strand 25 ensures, however, immediately inward flowing fluid again removed. In the above-mentioned development with the blowing air openings 27 having nose portion 26, the friction in the nose portion 26 is also reduced by a few Blasluftöffnungen 27. However, the amount of air introduced in the nose region 26 is comparatively small with respect to the remaining air.

Die bzw. eine Mehrzahl von am Falztrichter 13 vorgesehenen Saugöffnungen 38 münden z. B. in eine Kammer 36, die zwischen zwei mit Blasluftöffnungen 24 der linken und rechten Trichterflanke 23 in Verbindung stehenden getrennten Kammern 29 oder Kammerbereichen 29 einer selben Kammer 29 angeordnet ist. In der dargelegten Ausführung sind beispielsweise je Trichterflanke 23 eine entlang der Trichterflanke 23 verlaufende Kammer 29 vorgesehen, welche über je zwei Anschlussstücke 41 über Fluidleitungen 31 mit dem Aggregat 32 verbunden sind. Die der Trichternase 26 zugeordnete Kammer 36 ist ebenfalls mit dem Aggregat 32 verbunden. Zwischen einem rechten und einem linken Blasluftöffnungen 24 aufweisenden Abschnitt der Trichterflanken 23 und vorzugsweise oberhalb des - ohne oder bevorzugt mit Blasluftöffnungen 27 ausgeführten - Nasenbereichs 26 ist am Falztrichter 13, insbesondere am Trichterblatt 33 ein Bereich 42 mit Saugöffnungen 38 vorgesehen. Die oder zumindest eine Mehrzahl der Öffnungen 38 münden z. B. in eine Kammer 44, welche über die Fluidleitung 39 mit dem Aggregat 43 in Verbindung steht.The or a plurality of provided on the former 13 suction openings 38 open, for. B. in a chamber 36 which is arranged between two with Blasluftöffnungen 24 of the left and right funnel edge 23 in communication with separate chambers 29 or chamber portions 29 of a same chamber 29. In the illustrated embodiment, for example, each hopper flank 23 a running along the hopper flank 23 chamber 29 are provided, which are connected via two connecting pieces 41 via fluid lines 31 to the unit 32. The funnel nose 26 associated chamber 36 is also connected to the unit 32. Between a right and a left Blasluftöffnungen 24 having portion of the funnel flanks 23 and preferably above - without or preferably with Blasluftöffnungen 27 running - nose portion 26 is provided at the former 13, in particular on the funnel sheet 33, a region 42 with suction openings 38. The or at least a plurality of openings 38 open z. B. in a chamber 44, which is connected via the fluid line 39 to the unit 43 in conjunction.

In einem Längsabschnitt des Falztrichters 13 - wobei als Längsabschnitt eine Abschnittlänge des Falztrichters 13 in Transportrichtung T13 angesehen ist - welcher im Bereich 28 beider Trichterflanken 23 mehrere in Transportrichtung T13 beabstandete Blasluftöffnungen 24 aufweist, ist somit wenigstens eine, vorzugsweise mehrere Saugöffnungen 38 zwischen den die Blasluftöffnungen 24 aufweisenden Flankenabschnitten angeordnet. In anderen Worten ist wenigstens eine Saugöffnung 38 auf einer Höhe des Falztrichters 13 angeordnet, auf welcher oder stromabwärts derer - im Bereich 28 der beiden Trichterflanken 23 und/oder im Nasenbereich 26 - wenigstens eine Blasluftöffnung 24; 27 vorgesehen ist. Es überschneiden sich in Längsrichtung des Falztrichters 13 betrachtet z. B. ein mehrere Saugöffnungen 38 aufweisender Längsabschnitt und ein Längsabschnitt, in welchem trichterflankenseitig Blasluftöffnungen 24 vorgesehen sind.In a longitudinal section of the former 13 - wherein a section length of the former 13 in the transport direction T13 is considered as a longitudinal section - which has a plurality of blown air openings 24 spaced apart in the transport direction T13 in the area 28 of both funnel flanks 23, at least one, preferably several, suction openings 38 between the blown air openings 24 having flank sections arranged. In other words, at least one suction opening 38 is arranged at a level of the folding funnel 13, on which or downstream thereof - in the area 28 of the two funnel flanks 23 and / or in the nose area 26 - at least one Blowing air opening 24; 27 is provided. It overlap in the longitudinal direction of the former 13 views z. B. a plurality of suction openings 38 exhibiting longitudinal section and a longitudinal section in which funnel flank side blowing air openings 24 are provided.

Für den Fall, dass der Falztrichter 13 einen Nasenbereich 26 mit Blasluftöffnungen 27 aufweist, sind Saugöffnungen 38 vorzugsweise stromaufwärts dieser Blasluftöffnungen 27 des Nasenbereichs 26 vorgesehen.In the event that the former 13 has a nose region 26 with blown air openings 27, suction openings 38 are preferably provided upstream of these blown air openings 27 of the nose region 26.

Ist eine lösbare Trichternase 26 vorgesehen, so ist die mindestens eine Saugöffnung 38 bzw. sind Saugöffnungen 38 z. B. an einem von einer lösbar verbundnen Trichternase 26 verschiedenen Teil des Falztrichters 13, z. B. im Bereich des beidseitig in die Trichterflanken 23 mündenden Trichterblattes 33 des Trichtergrundkörpers 34 vorgesehen.If a detachable funnel nose 26 is provided, then the at least one suction opening 38 or suction openings 38 are z. B. at one of a releasably connected funnel nose 26 different part of the former 13, z. B. in the region of both sides opening into the funnel flanks 23 Funnel sheet 33 of the funnel body 34.

Durch die Ausführung des Falztrichters 13 mit in genanter Weise angeordneten Saugöffnungen 38 ist ein reibungsarmes Formen des Falzstranges 18 möglich, wobei gleichzeitig ein Teil der Luft wieder entfernt wird um Sackbildung und damit verbundene Probleme zu vermeiden.By the execution of the former 13 with arranged in a similar manner suction openings 38 a low-friction shaping of the fold strand 18 is possible, at the same time a portion of the air is removed again to avoid bagging and related problems.

In einer zweiten Ausführung erfolgt - zusätzlich oder statt der Absaugung am Falztrichter 13 - ein Absaugen von Blasluft nach dem vollständig abgeschlossenen Falzvorgang, insbesondere im dem Falztrichter 13 nachgeordneten Strangweg. Nach dem Verlassen des Falztrichters 13 wird der Falzstrang 18 (bzw. zumindest ein Teil des Falzstranges 18, falls dieser beispielsweise aufgeteilt wird) über wenigstens ein Leitelement 46; 47; 48; 49 zum Ausgang des Trichteraufbaus 03 bzw. zu einem Eingang in den Falzapparat 08 geführt. Beispielsweise wird der Falzstrang 18 zunächst durch ein Paar von als Falzwalzen 46 ausgebildete Leitelemente 46, durch ein als Zugwalze 47 ausgebildetes Leitelement 47 gefördert und ggf. über ein oder mehrere als Umlenkwalzen 48 ausgebildete Leitelemente 48 geführt. Bei Vorliegen mehrerer Falztrichter 13 kann ein Hauptstrang 51 aus mehreren Falzsträngen 18 an in der Art von Sammelwalzen 49 wirksamen Leitelementen 49 gebildet werden.In a second embodiment takes place - in addition to or instead of the suction on the former 13 - a suction of blowing air after the complete folding process, in particular in the former 13 downstream strand path. After leaving the former 13, the fold strand 18 (or at least part of the fold strand 18, if this is divided, for example) via at least one guide element 46; 47; 48; 49 led to the exit of the funnel structure 03 or to an input in the folding apparatus 08. For example, the folding strand 18 is first conveyed by a pair of guide elements 46 formed as folding rollers 46, by a guide element 47 designed as a draw roller 47, and optionally via one or more deflection rollers 48 trained guide elements 48 out. In the presence of a plurality of formers 13, a main strand 51 can be formed of a plurality of folding creases 18 on in the manner of collecting rollers 49 effective guide elements 49.

In der zweiten Ausführung ist im Strangweg zwischen Falztrichter 13 und Falzapparat 08, vorzugsweise vor einem Zusammenführen mit einem oder mehreren Falzsträngen 18, eine Absaugvorrichtung 52 mit wenigstens einer Saugöffnung 53 vorgesehen, welche auf der offenen Strangseite, d. h. auf der dem Längsfalz 17 gegenüberliegenden Längsseite des Falzstranges 18, in den Falzstrang 18 eingreift. Die Saugöffnung 53 bildet beispielsweise das offene Ende einer lanzenförmigen Düse 54, welche fluidtechnisch mit einer gegenüber dem Umgebungsdruck geringeren Druck P- z. B. Unterdruck P-, aufweisenden Fluidleitung 56 verbunden ist, die ihrerseits mit einem den Unterdruck P- bereitstellenden Aggregat 43, z. B. einer Unterdruckquelle 43 wie beispielsweise einer Pumpe oder einem Sauggebläse, in Verbindung steht (schematisch z. B. in Fig. 6 bis Fig. 8 angedeutet). Wie oben kann dies das vorhandene Aggregat 43 einer nicht dargestellten Absaugeinrichtung sein. Die Düse 54 bzw. ein die Düse 54 bildendes Rohrstück 54 kann einen von der Kreisform abweichenden, z. B. ovalen und/oder in Stranglaufrichtung langgezogenen bzw. quer zur Stranglaufrichtung schalen Querschnitt aufweisen.In the second embodiment, a suction device 52 is provided with at least one suction opening 53 in the strand path between the former 13 and folder 08, preferably before merging with one or more folding strands 18, which on the open strand side, ie on the longitudinal fold 17 opposite longitudinal side of Folded strand 18, engages the seaming line 18. The suction opening 53 forms, for example, the open end of a lance-shaped nozzle 54, which fluidly with a relation to the ambient pressure lower pressure P - . B. negative pressure P - , having fluid line 56 is connected, in turn, with a negative pressure P - providing aggregate 43, z. B. a negative pressure source 43 such as a pump or a suction fan, is in communication (schematically z Fig. 6 to Fig. 8 indicated). As above, this may be the existing unit 43 of a suction device, not shown. The nozzle 54 and the nozzle 54 forming pipe section 54 may have a deviating from the circular shape, z. B. oval and / or stretched in the strand direction or transverse to the strand running direction have a cross-section.

Während des Betriebes kann durch die Absaugvorrichtung 52 im Falzstrang 18 mitgeführte Luft, z. B. über die Blasluftöffnungen 24; 27 im Trichterbereich zugeführte Blasluft, entfernt werden.During operation, entrained by the suction device 52 in the folding strand 18 air, z. B. on the Blasluftöffnungen 24; 27 in the funnel area supplied blowing air to be removed.

Das Absaugen von Luft am Falztrichter 13 und/oder im Strangweg ist vorteilhaft in allen Druckmaschinen bzw. Produktionsweisen anzuwenden, wobei wenigstens eine zweiseitenbreite Lage über einen mit Blasluft betriebenen Falztrichter 13 geführt wird und einen Längsfalz 17 erhält.The suction of air at the former 13 and / or in Strangweg is advantageous to apply in all printing presses or production methods, wherein at least a two-sided wide position is guided over a blown air operated former 13 and receives a longitudinal fold 17.

In einer besonderen Weiterbildung ist das o. g. Absaugen von Luft am Falztrichter 13 und/oder im Strangweg vorteilhaft in Verbindung mit einer Rollenrotationsdruckmaschine bzw. einer Produktion vorgesehen, wobei dem Falztrichter 13 im Strangweg Mittel, insbesondere eine nicht dargestellte Längsfalzvorrichtung und/oder eine Längsleimeinrichtung 14, z. B. Auftrageinrichtung 14, vorgeordnet sind, durch welche stromaufwärts des Falztrichters 13 durch Längskleben und/oder Längsfalzen eine auf den Falztrichter 13 zu führende Doppellage 57 gebildet werden kann. Hierbei bedeutet "Doppellage" 57 ein Strang oder Teilstrang, wobei zwei Lagen aufeinander liegen und, insbesondere in einem seitlichen Randbereich, längs untereinander verbunden sind. Wird eine derartige Doppellage 57 über den Falztrichter 13 geführt, so besteht eine erhöhte Gefahr für die Bildung eines Lufteinschlusses.In a particular embodiment, the o. G. Suction of air at the former 13 and / or in the strand path advantageously provided in conjunction with a web-fed rotary printing press or a production, wherein the former 13 in the strand path means, in particular a not shown Längsfalzvorrichtung and / or a Längsleimeinrichtung 14, z. B. applicator 14, are arranged upstream, by which upstream of the former 13 by longitudinal bonding and / or Längsfalzen a on the former 13 to be introduced double layer 57 can be formed. Here, "double layer" 57 means a strand or partial strand, wherein two layers lie on one another and, in particular in a lateral edge region, are interconnected longitudinally. If such a double layer 57 is guided over the former 13, there is an increased risk of the formation of air entrapment.

Neben den üblichen Zeitungs(broadsheet-)produkten ist die Rollenrotationsdruckmaschine z. B. auch dazu ausgebildet, beispielsweise in Fig. 9 dargestellte Produkte 58, insbesondere Zeitungsprodukte 58, herzustellen, welche mindestens eine Lage S, z. B. eine überbreite Lage S, aufweist, welche in vollständig geöffnetem Zustand eine Breite von mehr als zwei, vorzugsweise von mehr als drei Seiten des betreffenden Zeitungsformates aufweist (siehe z. B. Fig. 9). Das Produkt 58 (oder auch Teilprodukt) kann dann eine oder mehrere zwei- oder einseitenbreite ("normale") Lagen L und mindestens eine überbreite Lage S, bevorzugt als Innenlage des Strangabschnittes bzw. Teilproduktes (auch als Heft oder Sektion bezeichnet), aufweisen. Die Lage S im Produkt 58 bzw. im Falzstrang 18 ergibt sich durch Längsfalzen einer o. g. Doppellage 57, wie dies beispielsweise schematisch in Fig. 10 dargelegt ist.In addition to the usual newspaper (broadsheet) products is the web-fed rotary printing machine z. B. also designed to, for example, in Fig. 9 illustrated products 58, in particular newspaper products 58, produce, which at least one layer S, z. B. has an over-wide layer S, which in the fully open state, a width of more than two, preferably more than three pages of the relevant newspaper format has (see, eg. Fig. 9 ). The product 58 (or partial product) can then have one or more two- or one-side-wide ("normal") layers L and at least one over-wide layer S, preferably as the inner layer of the strand section or partial product (also referred to as a booklet or section). The position S in the product 58 or in the folded strand 18 results from longitudinal folding of an above-mentioned double layer 57, as shown schematically in FIG Fig. 10 is set forth.

Ein derartiges Produkt 58 weist z. B. mindestens eine überbreite Lage S auf. Diese weist einen zweiseitenbreiten, einen mittigen Längsfalz 17 aufweisenden Mittelbereich 59, sowie im aufgeklappten Zustand auf mindestens einer Seite des Mittelbereichs 59 einen diesen fortsetzenden Außenbereich 61 auf. Dieser Außenbereich 61 kann in einer Ausführung gebildet sein durch eine mittels Klebung mit dem Mittelbereich 59 verbundenen, vorzugsweise höchstens einseitenbreite Bahn 04a1; 04a2. In einer vorteilhaften, dargestellten Ausführung ist beidseitig des Mittelbereichs 59 ein diesen fortsetzender Außenbereich 61 vorgesehen. Dieser Außenbereich 61 ist seitlich in Deckung mit dem Mittelbereich 59 angeordnet, ist jedoch in Art einer Klappseite 61 nach außen aufzuklappen. Unter Berücksichtigung der Breite der durch die Klebung hervorgerufenen Verbindung kann somit ein über mehr als zwei Seiten reichendes, z. B. durchgehendes Druckbild vorgesehen sein. Die auf den Formzylindern 05 angeordneten Druckbilder für den Mittelbereich 59 und den Außenbereich 61 sind hierfür entsprechend zu belichten und/oder auszurichten.Such a product 58 has z. B. at least one over-wide layer S. This has a two-side width, a central longitudinal fold 17 having central portion 59, and in the unfolded state on at least one side of the central region 59 to this continuing outdoor area 61. This outer region 61 can be formed in one embodiment by means of gluing with the central region 59 connected, preferably at most Einseitenbreite web 04a1; 04A2. In an advantageous embodiment, shown on both sides of the central region 59 a continuing this outdoor 61 is provided. This outer region 61 is arranged laterally in coincidence with the central region 59, but is to be folded out in the manner of a hinged side 61 to the outside. Taking into account the width of the bond caused by the bond thus can reach over more than two sides, z. B. continuous print image may be provided. The printed images for the central region 59 and the outer region 61 arranged on the forme cylinders 05 are to be correspondingly exposed and / or aligned therefor.

In Fig. 10a) ist exemplarisch und schematisch die Bildung des Falzstranges 18 bzw. einer überbreiten Lage S durch zwei ursprünglich zweiseitenbreite Bahnen 04 bzw. 04a; 04b dargestellt. Hierbei wird eine die späteren Klappseiten 61 bildende Bahn 04a z. B. mittig durch eine Längsschneideinrichtung 62 (21) in die beiden Bahnstränge 04a1; 04a2 längs aufgeschnitten. Soll lediglich einseitig eine Klappseite 61 vorgesehen sein, so kann eine z. B. lediglich maximal einseitenbreite Bahn 04a1 oder Teilbahn 04a1 ohne nochmaligen Schnitt geführt sein. Vor dem Auflaufen auf den Falztrichter 13 bzw. die dem Falztrichter 13 vorgeordnete Walze 16 wird dann zwischen den fluchtenden Rändern auf eine der beiden aufeinander zu leimende Bahnstränge 04a1; 04a2; 04b Leim 63 aufgetragen. Durch Zusammenführen dieser beiden übereinander geführten Bahnen 04a1; 04a2; 04b werden diese an einem Randbereich zusammengeleimt und bilden die Lage S bzw. im zu falzenden Bahnstrang 25 eine Doppellage 57.In Fig. 10a ) is exemplary and schematically the formation of the fold strand 18 or an over-wide layer S by two originally two-sided widths 04 and 04a; 04b shown. Here is a later folding pages 61 forming web 04a z. B. centrally through a longitudinal cutting device 62 (21) in the two web strands 04a1; 04a2 cut longitudinally. If only one side hinged side 61 should be provided, then a z. B. only maximum width side web 04a1 or part web 04a1 be performed without repeated cut. Before running on the former 13 and the former 13 upstream of the former 16 is then between the aligned edges on one of the two to be glued to each other web strands 04a1; 04A2; 04b glue 63 applied. By merging these two superimposed tracks 04a1; 04A2; 04b they are glued together at an edge region and form the layer S or in the web strand to be folded 25 a double layer 57th

Die in Fig. 10a) dargestellte Führung der beiden Bahnen 04a und 04b ist auch darauf anzuwenden, wenn die beiden Bahnen 04a und 04b Bahnstränge 04a und 04b darstellten, welche aus zwei unterschiedlichen, vormals doppeltbreiten oder dreifachbreiten Bahnen 04 durch Längsschnitt gewonnen und ohne Wendung aufeinander geführt sind.In the Fig. 10a ) shown guide of the two webs 04a and 04b is also applied to it when the two tracks 04a and 04b web strands 04a and 04b represented, which are obtained from two different, formerly double-width or triple-width webs 04 by longitudinal section and passed without turn each other.

Die höhenversetzte Darstellung der Bahnstränge 04a1 und 04a2 in Fig. 10 dienen der besseren Erkennbarkeit der sich ansonsten bis auf die Schnittlinie quasi ununterbrochen anschließenden Bahnstränge 04a1 und 04a2. Vorzugsweise laufen diese für den Fall mehrerer mit einem Bahnstrang 04b zu verbindender teilbreiter (höchstens einseitenbreiter) Bahnstränge 04a1; 04a2 (04a3) auf einer selben Ebene auf den Trichteraufbau 03 bzw. eine vorgeordnete Walze 16 ein.The height-offset representation of the web strands 04a1 and 04a2 in Fig. 10 serve the better recognizability of the web strands 04a1 and 04a2, which otherwise follow the cutting line virtually uninterruptedly. These preferably run in the case of a plurality of web strands 04a1 (at most one-side-wide) to be connected to a web strand 04b; 04a2 (04a3) on a same level on the hopper assembly 03 and an upstream roller 16 a.

Fig. 10b) zeigt ein vorteilhaftes Beispiel für die Bildung des Falzstranges 18 bzw. der überbreiten Lage S des Falzstrangs 18 durch Bahnstränge 04a1; 04a2; 04b aus Teilbahnen 04a; 04b einer selben ursprünglich vierseitenbreiten Bahn 04 (oder vierseitenbreiten Teilbahn einer sechsseitenbreiten Ursprungsbahn). Hierbei wird zunächst die vierseitenbreite Bahn 04 durch eine Längsschneideinrichtung 21 in eine zweiseitenbreite Teilbahn 04b; 04a und eine höchstens zweiseitenbreite Teilbahn 04a; 04b längs geschnitten und stromabwärts entweder die den späteren Mittelbereich 59 oder die die späteren Klappseiten 61 bildende Teilbahn 04b; 04a mittels einer Wendeeinrichtung 22, z. B. ein Wendestangenpaar 22, in die Flucht der jeweils anderen Teilbahn 04a; 04b gewendet, d. h. seitlich versetzt. Die die späteren Klappseiten 61 bildende Teilbahn 04a wird z. B. mittig durch eine zusätzliche Längsschneideinrichtung 62 in die beiden Bahnstränge 04a1; 04a2 längs aufgeschnitten. Soll lediglich einseitig eine Klappseite 61 vorgesehen sein, so kann aus der Bahn 04 beispielsweise lediglich eine maximal einseitenbreite Teilbahn 04a durch die Längsschneideinrichtung 62 erzeugt werden. Wie im obigen Beispiel wird vor dem Auflaufen auf die Walze 16 zwischen den fluchtenden Rändern auf eine der Bahnstränge 04a1; 04a2; 04b Leim 63 aufgetragen. Fig. 10b ) shows an advantageous example of the formation of the fold strand 18 or the over-wide layer S of the fold strand 18 by web strands 04a1; 04A2; 04b of partial webs 04a; 04b of a same original four-page-wide web 04 (or four-page partial web of a six-page-long original web). Here, first, the four-side-width web 04 by a longitudinal cutting device 21 in a two-sided wide part web 04b; 04a and a maximum two-sided width partial web 04a; 04b cut longitudinally and downstream either the later central region 59 or the later flap sides 61 forming part web 04b; 04a by means of a turning device 22, z. B. a turning bar pair 22, in the flight of the other sub-web 04a; 04b turned, ie laterally offset. The later folding pages 61 forming partial web 04a is z. B. centrally through an additional longitudinal cutting device 62 in the two web strands 04a1; 04a2 cut longitudinally. If only one side 61 a folding page to be provided, it can be generated by the longitudinal cutting device 62 from the web 04, for example, only a maximum Einseitenbreite partial web 04a. As in the above example, before landing on the roller 16 between the aligned edges on one of the web strands 04a1; 04A2; 04b glue 63 applied.

Die in Fig. 10b) dargestellte Führung der beiden Bahnen 04a und 04b ist auch darauf anzuwenden, wenn die beiden Bahnstränge 04a und 04b nicht aus einer selben Bahn 04, sondern aus zwei verschiedenen doppelt- oder dreifachbreiten Ursprungsbahnen resultierten. Hierbei wäre dann wieder einer der durch Längsschnitt gewonnenen Bahnstränge 04a; 04b mit einem Bahnrand auf die Flucht eines Bahnrandes des anderen Bahnstrangs 04b; 04a zu wenden.In the Fig. 10b ) shown guide of the two webs 04a and 04b is also applied to it, if the two web strands 04a and 04b did not result from a same web 04, but from two different double or triple-width original webs. Here then again one of the web strands 04a obtained by longitudinal section would be; 04b with a web edge on the escape of a web edge of the other Railway line 04b; 04a to turn.

Fig. 10c) zeigt schematisch den derart erzeugten Falzstrang 18, welcher im Produkt 58 die überbreite Lage S darstellt. Fig. 10c ) schematically shows the folded strand 18 thus produced, which represents the over-wide layer S in the product 58.

In einer alternativen Produktionsweise zur Produktion einer überbreiten Lage S' (siehe z. B. Fig. 11) kann ein drei Zeitungsseiten breiter Bahnstrang 04b' mittig mit zwei Druckseiten, insbesondere Zeitungsseiten, und z. B. an den Rändern mit je einer schmaleren, z. B. halben, Zeitungsseitenbreite bedruckt werden. Anschließend wird der dreiseitenbreite Bahnstrang 04b' derart über eine Längsfalzvorrichtung, z. B. einen nicht dargestellten Pflugfalz (bzw. zwei Pflugfalzhälften), geführt, so dass die beiden habbreiten Seiten als Klappseiten 61' jeweils auf die Doppelseite eingeklappt werden. Dieser nun nach dem Pflugfalz zweiseitenbreite Strang mit eingeklappten, z. B. halbseitenbreiten Außenbereichen 61', z. B. Klappseiten 61', kann nun bereits die Lage S' im Produkt 58 bilden.In an alternative mode of production for the production of an over-wide layer S '(see eg Fig. 11 ), a three newspaper pages wide web strand 04b 'center with two printed pages, especially newspaper pages, and z. B. at the edges with a narrower, z. B. half, newspaper page width to be printed. Subsequently, the three-side width of the web strand 04b 'in such a way via a longitudinal folding device, for. B. a Pflugfalz (or two Pflugfalzhälften), not shown, out, so that the two habbreiten sides are folded as hinged sides 61 'each on the double page. This now after the Pflugfalz two-sided strand with folded, z. B. half-page wide outdoor areas 61 ', z. B. hinged sides 61 ', can now already form the position S' in the product 58.

Es kann jedoch zusätzlich noch auf der Strangseite der eingeklappten Klappseiten 61' mittig mit einem einseitenbreiten Bahnstrang 04a' in der Strangmitte, z. B. in einem durch eine Stoßlinie benachbarter Druckformen hervorgerufenen druckfreien Bereich, verbunden (z. B. wieder mittels einer Auftrageinrichtung 14' durch Klebung) werden, bevor der entstandene Bahnstrang mittig auf den Falztrichter 13 geführt wird. Ein Querschnitt eines in dieser Weise entstehenden Falzstrangs 18' bzw. einer überbreiten Lage S' ist z. B. in Fig. 11 dargestellt. In dieser Ausführung weist der Formzylinder 05' mindestens eine doppeltbreite, vorzugsweise eine über mindestens drei Druckseiten durchgehende Druckform auf.However, it may additionally on the strand side of the folded flap sides 61 'centrally with a single-sided web strand 04a' in the strand center, z. B. in a caused by a joint line of adjacent printing plates pressure-free area (eg, again by means of an applicator 14 'by gluing) before the resulting web strand is centered on the former 13. A cross section of a fold strand 18 'or an overly wide layer S' produced in this way is z. In Fig. 11 shown. In this embodiment, the forme cylinder 05 'has at least one double-width, preferably one, over at least three printed pages continuous printing form.

In den genannten Ausführungen kann ein mit dem jeweiligen Formzylinder 05 zusammen wirkender Druckwerkszylinder 15, z. B. Übertragungszylinder 15 nebeneinander mehrere zweiseitenbreite Drucktücher (Gummitücher) aufweisen. In einer vorteilhaften Weiterbildung weist der Übertragungszylinder 15 mindestens ein über die gesamte wirksame Zylinderlänge reichendes Drucktuch auf.In the aforementioned embodiments, a together with the respective form cylinder 05 acting printing cylinder 15, z. B. transfer cylinder 15 side by side several double-sided width blankets (blankets) have. In an advantageous Further, the transfer cylinder 15 has at least one printing blanket extending over the entire effective cylinder length.

Vorzugsweise werden in der Druckmaschine mehrere Bahnen 04; 06 in mehreren Drucktürmen 01 bedruckt und zu einem gemeinsamen Produkt 58 zusammengefasst. In einer vorteilhaften Ausführung ist die Bahn 04, welche zur Bildung der überbreiten Lage S herangezogen wird durch den aktiven Trockner 09 geführt und/oder ist aus satiniertem und/oder stärker gestrichenem Papier ausgeführt, während die zur Bildung anderen Lagen L heranzuziehende Bahnen 06 ohne Trocknungsunterstützung geführt und/oder aus Zeitungspapier ausgebildet sind.Preferably, in the printing press several tracks 04; 06 printed in several printing towers 01 and combined into a common product 58. In an advantageous embodiment, the web 04 which is used to form the over-wide layer S is guided through the active dryer 09 and / or is made of satined and / or more coated paper, while the webs 06 to be used for forming other layers L have no drying support guided and / or formed from newsprint.

Die Absaugung am Falztrichter 13 und/oder im Strangweg ist in den Fällen der Produktion von Produkten 58 mit wenigstens einer längs geleimten Naht oder mit eine überbreiter Lage S von großem Vorteil. Hier wird z. B. auch ein Aufplatzen einer Leimung durch Lufteinschluss vermieden.The suction on the former 13 and / or in the Strangweg is in the cases of the production of products 58 with at least one longitudinally glued seam or with an over-wide layer S of great advantage. Here is z. B. also a bursting of a sizing by air inclusion avoided.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

0101
Druckturmprinting tower
0202
Druckeinheitprinting unit
0303
Trichteraufbauformer assembly
0404
Bahntrain
0505
Druckwerkszylinder, FormzylinderPrinting cylinder, form cylinder
0606
Bahn, TeilbahnTrain, subway
0707
Überbausuperstructure
0808
Falzapparatfolding
0909
Trocknerdryer
1010
--
1111
Rollenwechslerreelstands
1212
LängsschneideinrichtungSlitter
1313
Falztrichterformers
1414
Längsleimvorrichtung, AuftrageinrichtungLongitudinal glue device, applicator
1515
Druckwerkszylinder, ÜbertragungszylinderPrinting cylinder, transfer cylinder
1616
Walze, Zugwalze, TrichtereinlaufwalzeRoller, draw roller, funnel inlet roller
1717
Längsfalzquarterfold
1818
Strang, FalzstrangStrand, fold strand
1919
--
2020
--
2121
LängsschneideinrichtungSlitter
2222
Wendeeinrichtung, WendestangenpaarTurning device, turning bar pair
2323
Trichterflankeformer flank
2424
Öffnung, BlasluftöffnungOpening, blown air opening
2525
Bahnstrangweb strand
2626
Nasenbereich, TrichternaseNose area, funnel nose
2727
Öffnung, BlasluftöffnungOpening, blown air opening
2828
Bereich (24)Area (24)
2929
Kammer, KammerbereichChamber, chamber area
3030
--
3131
Fluidleitungfluid line
3232
Aggregat, DruckluftquelleAggregate, compressed air source
3333
Trichterblattfunnel Journal
3434
TrichtergrundkörperHopper body
3535
--
3636
Kammer, KammerbereichChamber, chamber area
3737
Fluidleitungfluid line
3838
Öffnung, SaugöffnungOpening, suction opening
3939
Fluidleitungfluid line
4040
--
4141
Anschlussstückconnector
4242
Bereich (38)Area (38)
4343
Aggregat, UnterdruckquelleAggregate, vacuum source
4444
Kammerchamber
4545
--
4646
Leitelement, FalzwalzeGuide element, folding roller
4747
Leitelement, ZugwalzeGuide element, draw roller
4848
Leitelement, UmlenkwalzeGuide element, guide roller
4949
Leitelement, SammelwalzeGuide element, collecting roller
5050
--
5151
Hauptstrangmain line
5252
Absaugvorrichtungsuction
5353
Saugöffnungsuction opening
5454
Düse, RohrstückNozzle, pipe section
5555
--
5656
Fluidleitungfluid line
5757
Doppellagedouble layer
5858
Produkt, ZeitungsproduktProduct, newspaper product
5959
Mittelbereichthe central region
6060
--
6161
Außenbereich, KlappseiteOutside area, folding side
6262
LängsschneideinrichtungSlitter
6363
Leimglue
''
alternative Ausführungalternative design
T13T13
Transportrichtungtransport direction
04a04a
Bahn, Teilbahn, BahnstrangRailway, partial railway, railway line
04a104a1
Bahn, Teilbahn, BahnstrangRailway, partial railway, railway line
04a204A2
Bahn, Teilbahn, BahnstrangRailway, partial railway, railway line
04b04b
Bahn, Teilbahn, BahnstrangRailway, partial railway, railway line
LL
Lagelocation
SS
Lage, überbreitLocation, over
P+ P +
Druck, ÜberdruckPressure, overpressure
P- P -
Druck, UnterdruckPressure, negative pressure

Claims (15)

  1. A device for a web-fed rotary printing press for processing one or more printed webs (04; 06) comprising a former (13), a strand (18) leaving said former (13), a cross-cutter device arranged downstream of the former (13) in the strand course, as well as a strand path formed between the former (13) and the cross-cutter device via at least one guiding element (46; 47; 48; 49), wherein on at least one longitudinal former section (13) which extends in the transport direction (T13), and in the region of both its right-hand and its left-hand former flanks (23), said former (13) comprises blast-air openings (24) which are fluidically connected to a fluid line (31) that conducts a fluid which is at a higher pressure (P+) than the ambient pressure, wherein at least one suction opening (38), facing the web strand to be folded (25), is arranged on said former (13) between a left-hand and a right-hand flank-side section which comprises blast-air openings (24), and upstream of blast-air openings (27) that are provided in a projection region (26), and/or wherein a suction opening (53) of a nozzle (54) engaging in the folded strand (18) is provided in the strand path downstream of said former (13) and wherein the respective suction opening (38; 53) is fluidically connected to a fluid line (39; 56) that conducts a fluid which is at a lower pressure (P-) than the ambient pressure, so that during a production a higher pressure (P+) is applied in the region of the openings of the blast-air openings (24) while at the same time a lower pressure (P-) is applied at the region of the openings of the at least one suction opening (38; 53).
  2. The device according to Claim 1, characterized in that the openings of the strand-side suction openings (38) are arranged fixedly connected to the former.
  3. The device according to Claim 2, characterized in that the openings of the strand-side suction openings (38) are designed as openings of drill holes or recesses which are provided in a former sheet (33) or a cover plate connected to the former sheet (33) that cooperates with the strand to effect the guiding thereof.
  4. The device according to Claim 1, 2 or 3, characterized in that one or more suction openings (38) provided on the former (13) open into a chamber (44) that is arranged between two separate chambers (29) or chamber areas (29) of a same chamber (29) that is in connection with blast-air openings (24) of the left-hand and the right-hand funnel flanks (23).
  5. The device according to Claim 1, 2, 3 or 4, characterized in that at least one suction opening (38) of the former (13) is provided on the level of a longitudinal section having blast-air openings (24) in the region of both former flanks (23) and/or, when viewed in longitudinal direction of the former (13), a longitudinal section having at least the one suction opening (38) intersects with the longitudinal section having blast-air openings (24) on both sides.
  6. The device according to Claim 1, 2, 3, 4 or 5, characterized in that the at least one suction opening (38) is provided on a part of the former (13), namely in the region of a funnel sheet (33) that opens into both sides of the funnel flanks (23) of a main funnel body (34), which is different from a detachably connected funnel projection (26).
  7. The device according to one or more of Claims 1,2,3,4,5 or 6, characterized in that the nozzle (54) engaging in the folded strand (18) is arranged so as to engage in the strand (18) in the strand path on the longitudinal side of the folded strand (18) that is opposite the longitudinal fold (17).
  8. The device according to one or more of Claims 1 to 7, characterized in that means are arranged in the web path upstream of the former (13) by means of which a double layer (57) of two superposed and longitudinally interconnected layers that are to be guided to the former (13) can be formed upstream of the former (13).
  9. The device according to Claim 8, characterized in that a longitudinal fold former means and/or a lineal gluing unit (14) are arranged in the web path upstream of the former (13) by means of which a double layer (57) of two superposed and longitudinally interconnected layers that are to be guided to the former (13) can be formed upstream of the former (13).
  10. A method for forming a longitudinally folded strand (18) in a production mode of a printing press, wherein for the formation of the longitudinally folded strand (18) a single- or multi-layered web strand (25) are guided over a former (13) for forming a longitudinal fold (17) and wherein a blast-air opening (24) provided in the region of a left-hand and a right-hand former flank (23) is applied with a higher pressure (P+) than the ambient pressure, i.e. with a fluid having positive pressure (P+), wherein in this production mode at least one suction opening (38) provided on the former (13) between blast-air openings (24) in the left-hand and right-hand funnel flank (23) and/or upstream of blast-air openings (27) of a projecting region (26) and/or a suction opening (53) of a nozzle (54) engaging in the folded strand (18) on the strand path is at the same time applied with pressure that is lower (P-) than the ambient pressure, i.e. negative pressure (P-).
  11. The method according to claim 10, characterized in that negative pressure (P-) is applied to at least one suction opening (38) which is provided on the height of a longitudinal section of the former (13) having blast-air openings (24) in the region of both funnel flanks (23).
  12. The method according to Claim 10 or 11, characterized in that positive pressure (P+) is applied to at least one blast-air opening (24; 27) which is provided in a region located downstream of the at least one suction opening (38).
  13. The method according to Claim 12, characterized in that positive pressure (P+) is applied to at least one blast-air opening (24; 27) which is provided in the region of a protruding region (26) of the former (13).
  14. The method according to Claim 10, 11 or 12, characterized in that a double layer (57) with two superposed and longitudinally interconnected layers is guided to the former (13).
  15. The method according to Claim 14, characterized in that a double layer (57) of an already longitudinally folded web (04; 04a; 06) or of two superposed and longitudinally integrally interconnected layers (04; 04a1; 04b) is guided to the former (13).
EP12770021.9A 2012-01-30 2012-09-19 Device for a web-fed rotary printing press for processing one or more printed webs, and methods for forming a longitudinally-folded strand Active EP2809520B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210201238 DE102012201238B3 (en) 2012-01-30 2012-01-30 Device of a web-fed rotary printing machine for processing one or more printed webs and method for forming a longitudinally folded web
PCT/EP2012/068398 WO2013113411A1 (en) 2012-01-30 2012-09-19 Device for a web-fed rotary printing press for processing one or more printed webs, and methods for forming a longitudinally-folded strand

Publications (2)

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EP2809520A1 EP2809520A1 (en) 2014-12-10
EP2809520B1 true EP2809520B1 (en) 2016-03-16

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EP12770021.9A Active EP2809520B1 (en) 2012-01-30 2012-09-19 Device for a web-fed rotary printing press for processing one or more printed webs, and methods for forming a longitudinally-folded strand

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EP (1) EP2809520B1 (en)
DE (1) DE102012201238B3 (en)
WO (1) WO2013113411A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015101813A1 (en) * 2015-02-09 2016-08-11 Manroland Web Systems Gmbh A longitudinal folder
CN107651257B (en) * 2017-10-17 2024-01-12 厦门佳创科技股份有限公司 Longitudinal folding device and packaging equipment of toilet seat pad

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2921757A1 (en) * 1979-05-29 1980-12-04 Maschf Augsburg Nuernberg Ag METHOD FOR PRODUCING A FUNNEL SHEET FOR A FOLDING HOPPER OF A ROTARY PRINTING MACHINE, AND A FUNNEL SHEET PRODUCED THEREFORE
DE4435528C2 (en) * 1994-10-05 1997-09-04 Roland Man Druckmasch Folder for a printing press
DE19811109A1 (en) * 1998-03-13 1999-09-16 Koenig & Bauer Ag Former for paper webs with upper and lower conveyor belts
US5947411A (en) * 1998-03-26 1999-09-07 Heidelberger Druckmaschinen Ag Method and apparatus for air flotation
DE10044070A1 (en) * 1999-10-01 2001-04-26 Heidelberger Druckmasch Ag Device for selectively closing blowing openings in guide devices or bars of printing presses carrying printing material
DE10031814A1 (en) * 2000-06-30 2002-01-10 Heidelberger Druckmasch Ag Device for contact-free guiding of material web over surface has facility whereby volume of gaseous medium flowing beneath web from air cushion is variable by means of adjustable closing element regardless of web format
CN102378686B (en) * 2009-04-01 2014-06-11 柯尼格及包尔公开股份有限公司 Newspaper product, and method and apparatus for producing a product

Also Published As

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DE102012201238B3 (en) 2012-12-27
WO2013113411A1 (en) 2013-08-08
EP2809520A1 (en) 2014-12-10

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