EP1999051B1 - Dispositifs et procédé d'acheminement une bande de matière à une unité d'impression d'une rotative d'imprimerie - Google Patents

Dispositifs et procédé d'acheminement une bande de matière à une unité d'impression d'une rotative d'imprimerie Download PDF

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Publication number
EP1999051B1
EP1999051B1 EP07727268.0A EP07727268A EP1999051B1 EP 1999051 B1 EP1999051 B1 EP 1999051B1 EP 07727268 A EP07727268 A EP 07727268A EP 1999051 B1 EP1999051 B1 EP 1999051B1
Authority
EP
European Patent Office
Prior art keywords
web
turning bar
openings
printing
micro
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP07727268.0A
Other languages
German (de)
English (en)
Other versions
EP1999051A2 (fr
Inventor
Peter Franz Beck
Erwin Paul Josef Lehrieder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1999051A2 publication Critical patent/EP1999051A2/fr
Application granted granted Critical
Publication of EP1999051B1 publication Critical patent/EP1999051B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/32—Arrangements for turning or reversing webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/52—Auxiliary process performed during handling process for starting
    • B65H2301/522—Threading web into machine
    • 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
    • B65H2406/1131—Porous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a device and a method for feeding a material web to a printing unit of a web-fed rotary printing press according to the preamble of claims 1 and 22, respectively.
  • a device for supplying a material web to a printing unit wherein a plurality of printing units are arranged side by side in a machine alignment viewed in the longitudinal direction of their printing cylinder.
  • the reel changers are arranged next to this machine alignment and oriented with their axis of rotation parallel to the printing unit cylinders.
  • a turning of the transport direction of the web in the plane of the machine escape takes place after passing through the printing unit by means of a turning bar arranged above the printing unit.
  • the WO 2005/105447 A1 discloses a device for feeding a material web, wherein a plurality of printing units are arranged side by side in a machine alignment perpendicular to the rotation after the printing cylinder.
  • the roll changer are arranged next to this machine alignment and oriented with its axis of rotation perpendicular to the axis of rotation of the printing cylinder.
  • a turning of the transport direction of the web in the plane of the machine escape takes place before entering the printing unit by means of a turning bar, which is inclined by 45 ° to the transport direction of the incoming web and arranged lying in a horizontal plane.
  • the pasters are in the same machine alignment aligned with the printing units and with parallel to the printing unit cylinders axis of rotation, where they are either in a machine plane below the printing units or on the same machine level.
  • the air outlet openings as micro-openings with diameters of at most 500 microns, in particular at most 300 microns, are formed.
  • the microapertures are open pores of a porous material or openings of microbores. In one embodiment, the microapertures extend the full 360 ° circumference and are blown on both the wrapped and non-looped sides of the circumference.
  • the DE 44 09 693 C1 discloses a retraction device on the web path downstream of the printing unit in the region of a turning bar structure, through which cut partial webs are laterally offset.
  • the US 5,413,039 also discloses a device for feeding a web of material to a printing press.
  • the invention has for its object to provide a device and a method for feeding a web to a printing unit of a web-fed rotary printing press.
  • the achievable with the invention advantages include, inter alia, that when pulling a web and / or when operating with varying web widths trouble-free operation with reduced demands on manual intervention is possible. This applies in particular to the present installation of the printing press, in which the web to be supplied is accessed from the longitudinal side of the machine.
  • the turning bar is formed with openings through which air can flow, wherein the openings are designed as micro-openings.
  • the openings are designed as micro-openings.
  • a transport device for a non-manual, z. B. to provide motor pulling a web start. This also saves a regular intervention. Especially in connection with a turning bar having micro-openings, trouble-free feeding is possible because it can be blown over the entire length without noteworthy pressure drop through areas not yet covered during the pulling-in process.
  • the local conditions often have boundary conditions, which exclude a basement and / or the height is limited by a maximum building height or the height of an existing hall.
  • Table installation ie on a plane above the reel changer. It is advantageous in these cases, a list of reel changers and the printing units on a same system level, ie in Parterrean Aunt.
  • the reel changers In contrast to printing machines in Parterrebauweise, where the reel changers also are arranged in the machine escape, builds a printing machine in Parterrebauweise with laterally arranged for machine alignment reel changers shorter and usually requires shorter track paths. This also contributes to trouble-free operation as possible.
  • variable web widths development of the printing press is achieved in that the webs or sub-webs are guided to 90 fold fold or hopper structure out of the machine alignment.
  • the funnel structure in this case is rotated with respect to its inlet direction by 90 ° to the machine alignment of the printing press and can advantageously also be offset laterally to the machine alignment.
  • four or six newspaper pages wide full webs - former of a funnel structure can remain stationary, while the alignment of the new sub-webs on the funnel tips in the superstructure is done by means of mobile turning bars.
  • a printing press in particular web-fed rotary printing press, has at least one web-and / or - processing unit 01, in particular a printing unit 01 with one or more printing units 02, through which a web of material 03, z. B. a paper web 03, in short: train 03 processable or processed, in particular printable.
  • the web-processing and / or processing unit 01 has at least one cooperating with the web 03 rotating machining tool 04, z. B. on a printing cylinder 04.
  • the printing tower can (eg as in below Fig. 8 shown) two stacked satellite printing units, or (as in below Fig. 15 and 16 exemplified) several, z. B. four, double printing units for the two-sided printing - ie four pairs of printing couples, each with two interacting with their transfer cylinders as a double printing unit printing units - have.
  • Fig. 1 shows a web-fed rotary printing machine with several, here two, printing units 01, wherein z. B. at least two of these printing units 01 viewed in a direction perpendicular to the axis of rotation R04 of the respective printing cylinder 04 are arranged side by side in a same machine flight.
  • Fig. 1 and 2 is a machine center plane M of the machine escape shown, for example, perpendicular to the axes of rotation R04 of the printing cylinder 04 of at least two printing units 01 and through the central section of the usable bale length of the printing cylinder 04 runs.
  • printing units 02 are the printing cylinder 04 acting together with the web 03 is designed as a transfer cylinder 04, which each cooperate with a printing cylinder 05 carrying a printing plate.
  • the printing unit cylinders 04 interacting with the web 03 can also be designed as the printing unit cylinders carrying the printing form.
  • the printing unit 01 receives the web 03 to be printed from at least one roller carrier 06 for a web 03 to be unwound via at least one in the web path between roller carrier 06 and printing unit 01 by 45 ° against the transport direction T1 of the run on it web 03 inclined guide bar 07, z. B. turning bar 07.
  • the turning bars 07 are arranged in a horizontal plane "lying". That is, a longitudinal axis L (see, eg, FIG. Fig. 5 ) of the turning bar 07 lies in a horizontal plane E (FIG. Fig. 3 ).
  • the turning bar 07 has z. B. on an effective length L07, on which it is formed with measures for friction-reduced deflection, that is, on which it has, for example, a luft matströmbare surface.
  • the roller carrier 06 is advantageous as a roll changer 06, z. B. as a standstill roller changer, but preferably as a roll changer 06 for the roll change at production speed ("flying" roll change) executed.
  • the printing unit 01 and the reel changer 06 supplying the printing unit 01 with the web 03 are offset relative to one another with respect to a direction of the axes of rotation R04 of the printing group cylinders 04.
  • the projection frontal side frames 09 comprehensive printing unit 01 and the end-side side frames 11 comprehensive roll changer 06 viewed in the direction of the rotation axes R04 of the printing cylinder 04 spaced from each other.
  • roller changer 06 In the case of a plurality of printing units 01 arranged in a machine alignment, the roller changer 06 or the roller changers 06 are arranged laterally next to the machine alignment.
  • the reel changer 06 is oriented in such a way that the axis of rotation R08 of a carried by the roll changer 06 roller 08, z. B. roll of material 08 or paper roll 08, is oriented substantially perpendicular to the rotation axis R04 of the same web run associated printing cylinder 04.
  • the printed web 03 z. B. a one or more former 19 having funnel structure 12 and then optionally fed to further processing a arranged underneath folding apparatus 20.
  • the funnel structure 12 or its former 19 is oriented such that a transport direction T2 of a run-up on the former 19 web 03 is in a direction parallel to the machine center plane M or coincident plane.
  • the funnel structure 12 or its former 19 is in Fig. 2 oriented such that a transport direction T2 of a run on the former 19 web 03 is located in a direction perpendicular to the machine center plane M level.
  • the web 03 or be produced from the web 03 produced by longitudinal section partial webs over one or more arranged in the superstructure turning bars 21 and deflected by 90 ° from its previous transport direction towards the funnel structure 12.
  • a turning bar 21 instead of two-sided turning bars 21
  • projecting onto the incoming web 03 at least four or even six newspaper pages can be provided, via which a whole, not yet cut four or six newspaper pages wide web 03 to the hopper structure 12 out is deflectable.
  • the funnel structure 12 may have one or more (for example two, as indicated in phantom) three or even four) transverse to the transport direction T2 from a same machine level horizontally juxtaposed former 19 have. In addition, it can have vertically one above the other several levels, each with one or more formers 19.
  • FIGS. 3 to 5 are views of a printing press, where Fig. 3 a detailed view of a printing press, which shows a view I - I of only schematically in Fig. 1 represented correspond to printing press.
  • Fig. 4 shows a sectional view of the view III - III of Fig. 3
  • Fig. 5 a detailed view of the printing machine according to Fig. 3 which one view II - II of the only schematically in Fig. 1 represented correspond to printing press.
  • a web 03 is unwound from a carried in the roll changer 06 roller 08 and a plurality of guide or guide rollers 13, z. B. an upper and a lower role changer near and at least one turning bar near guide roller 13 is guided to the turning bar 07.
  • the guide rollers 13, in particular the last disposed before the turning bar 07 guide roller 13 are arranged such that the web 03 runs in the horizontal direction of transport on the turning bar 07. After the web 03 rotate the turning bar 07 and has changed the transport direction by 90 °, it is fed from there to the printing unit 01.
  • a retraction unit 14 is arranged, which has at least one driven by a motor, not shown draw roller 16.
  • the web 03 is deflected after running to the left or right.
  • Seen in machine flight next to a printing unit 01 or in the space between two printing units 01 provided turning bar assembly may have one or more turning bars 07 which z. B. is arranged below an accessible by the staff an operating platform 17 for the adjacent printing units 02 (see eg Fig. 6 ).
  • the operating platform 17 may have access to the turning bar assembly to be opened flaps.
  • a turning bar arrangement with two vertically arranged turning bars 07 is provided next to the printing unit 01 or between two printing units 01.
  • the two turning bars 07 of this turning bar arrangement each receive a web 03 'of two in a direction perpendicular to the axis of rotation R08 of the roller 08 run successively arranged roll changers 06 ("tandem arrangement").
  • roll changers 06 successively arranged roll changers 06
  • the web 03 can be guided selectively into the right or left printing unit 01 when the web 03 is drawn in - without swiveling the turning bar 07 - by selecting the turning bar 07 to be turned around. Basically, however, only one turning bar 07 must be provided per laterally offset reel changer 06.
  • the web 03 may be guided over one or more additional guide rollers 18 to the first to be traversed printing unit 02. This can be like in Fig. 5 a bottom printing unit 02 but also another of the provided printing units 02 be.
  • corridors may be provided for delivery with rollers 08.
  • this may be a conveyor system having, for example, trolleys guided in rails.
  • the two in Fig. 5 arranged in tandem roll splitter 06 have z. B. with her Loading page on a common corridor lying between them.
  • This corridor or part of a roller feed device 22 provided in the corridor can now be used for both reel changers 06.
  • Fig. 7 shows a further embodiment of a printing machine with laterally offset to the machine offset reel changers 06, wherein here printing towers are provided from two stacked printing units 01.
  • another printing press unit may be provided above the turning bar arrangement on an intermediate level (eg at a height of less than two meters from the plane carrying the printing towers). This is particularly possible and advantageous if there is a low requirement for easy accessibility, which in particular for the application of a micro-openings explained below turning bar 07 and / or a non-manual, z. B. motorized retraction is the case.
  • the unit could be designed, for example, as a funnel arrangement 12 and / or folding apparatus 20.
  • Fig. 8 is a further embodiment of a printing machine with laterally offset to the machine offset reel changers 06 shown, in which case printing towers from two stacked printing units 01, in particular satellite printing units, and z. T. additionally provided a six-cylinder additional printing.
  • a web width for the machine is suggested, which corresponds to the width of six newspaper pages.
  • the longitudinally cut web 03 is guided here on a three-hopper 19 side by side having funnel structure 12.
  • a fourth funnel can be provided next to it.
  • dashed line is the turning bar arrangement exemplarily alternatively on a plane equal to the printing tower, in particular at a height above the printing cylinder 04 of the lower printing unit 01 and below the printing cylinder 04 of the upper printing unit 01 shown. Also exemplary is in more dashed Alternatively, the turning bar arrangement above the uppermost printing location (or printing cylinder 04) of a printing tower shown in dashed lines. The iVm Fig. 15 and 16 is then applied accordingly.
  • Fig. 15 shows a further embodiment of a printing machine with offset laterally to the machine offset reel changers 06.
  • the arranged on the web path between roller carrier 06 and printing unit 01 Umlenkstange 07 at a height of the machine above the height of printing units 02, in particular above the last printing unit 02 or Printing cylinder 04 arranged.
  • This embodiment is particularly space-saving, since the space, ie a distance a01 between two adjacent printing units 01 can be made narrower and / or can be used in other ways.
  • the turning bar arrangement can be arranged above the intermediate space between two printing units 01, overlapping with one or two printing units 01 or even directly above a printing unit 01.
  • a turner bar arrangement with two crossed turner bars 07 can be arranged in the manner described above.
  • an arrangement of the roll changer 06 as shown in door assembly ie two reel changers 06 in a direction perpendicular to the machine center plane M escape in a row, can be provided.
  • each turning bar arrangement but also only such a turning bar 07 may be arranged, by means of which then only one web 03 is used laterally.
  • the web 03 can be passed from top to bottom in the printing unit 01 after passing over the turning bar 07 via one or more deflection rollers 42 running parallel to the printing unit cylinders 04 and passing through them from “top to bottom” ( Fig. 15a )). However, it can also be outside of the printing unit 01 via a parallel to the printing cylinders 04 extending guide roller or rod 42 down and guided over other such guide rollers 42 or rods from below into the printing unit 01 and these run from "bottom to top” ( Fig. 16 ).
  • the intake mechanism 14 may also be provided above the printing unit 01 and at an upper end of the printing unit 01.
  • the turning bar (s) 07 By this arrangement of the turning bar (s) 07 above the plane of the printing unit 01, a compact arrangement with respect to the web guides and track lengths (number of guide elements, web tension, etc.) is provided. There is no pit or other hedges in the control platform 17 required. On the path from the reel changer 06 to the printing unit 01 only a deflection over 90 ° is required.
  • the turning bar 07 may be formed conventionally in this arrangement, but in an advantageous development, as described below. It is also advantageous - in particular because of the distance to be bridged between the roll changer 06 and the turning bar 07 - to provide a transport device 31 for non-manual drawing in (see above).
  • variable web widths and / or an automatic retraction - the turning bar 07 at least in a Umschlingungswinkel Quarry the web 03, z. B. in an angular range less than 270 °, as micro-openings 23 formed outlet openings 23 for the passage of a pressurized fluid, for. B. air outlet openings 23.
  • micro-openings 23 are here understood openings on the surface of the component, which have a mean diameter less than or equal to 500 microns, advantageously less than or equal to 300 microns, in particular less than or equal to 150 microns.
  • the micro-openings 23 may be in an in Fig. 10 be executed execution as openings of microbores 27, which is characterized by a z. B. designed as a pressure chamber interior 26 of the turning bar 07 bounding wall extend outward. Upon exposure of this interior 26 with under pressure (For example, greater than 4 bar, in particular 4.5 to 7 bar) against the environment gaseous fluid, eg. As compressed air, this flows through the microbores 27 and forms an air cushion on the surface of the turning bar 07 from.
  • the microbores 27 may have a hole diameter of, for example, a maximum of 500 ⁇ m, for example 60 to 100 ⁇ m, in particular approximately 80 ⁇ m.
  • the open area in the perforated area can be 0.01 to 0.05%, in particular approximately 0.03%.
  • the microbores 27 may be made by a method wherein the area to be perforated, e.g. a 2-3 mm thick aluminum sheet or pipe segment is perforated by electron beam.
  • the perforation can also be achieved by an etching technique, in which case, however, a material thickness of the material to be perforated (sheet, tube, tube segment) should be less than 2 mm in the area to be perforated, in particular 1.5 mm should not exceed.
  • the turner bar 07 can also have a part-circular profile instead of a circular-shaped cross-section, wherein an angular region is part-circular (for example ⁇ 180 °, in particular 180 ° to 270 °) and the open chord has a straight end.
  • the turning bar 07 a body 24 with an interior 26, z. B. a tubular base body 24, through the body 24 radially through openings 28 and at least in the section provided with openings 28 a microporous layer 29, the open pores form the air outlet openings 23.
  • the layer 29 covers the openings 28 and extends Continuously at least over the area acting together with the web 03, thus forming a continuous surface at least in the intended by the supplied web 03 for wrapping angle range.
  • openings 28 and layer 29 may also be provided around the entire angular range of 360 °. It is advantageous embodiment, wherein the openings 28 (or in the above example, micro holes 27) only by a partial angle range (at least Umschlingungswinkel Scheme) rich, but the layer 29 applied fully, ie, the base body 24 is fully coated.
  • variable web widths ie an embodiment of the printing press for printing differently wide (full) webs 03 (eg for producing different product formats)
  • it is advantageous to dimension the effective length L07 of the turning bar 07 to the maximum web width intended for processing ie provide the openings 28 (or micro-holes) over a length L07 of the turning bar 07, which corresponds in projection to the width of the incoming web 03 at least the maximum web width.
  • This maximum web width can z. B. the width of at least two, z. B. four, six or even eight newspaper pages in a particular print format (eg broadsheet format) correspond. If a narrower track 03 - z. B.
  • the turning bar 07 is then blown on its entire micro-openings 23 having length L07 with compressed air and it occurs on the entire micro-openings 23 having length L07 air from the Micro-openings 23, but is in the uncovered edge areas only a slight leakage current through the uncovered micro-openings 23.
  • the microporous layer 29 is formed, for example, of porous material, advantageously of a sintered material, in particular a sintered metal.
  • the porous material advantageously has pores with an average pore size of 5 to 50 ⁇ m, in particular 10 to 30 ⁇ m.
  • An opening degree on the outward surface of the porous material is between 3% and 30%, preferably between 10% and 25%.
  • the turning bar 07 may also have another special surface coating, which is particularly slippery for the web, in a version for micro-openings 23 which is not shown.
  • An example would be a surface coating of a z. B. 1.5 to 4 mm, in particular 2 to 3 mm thick material (eg., With circular or part-circular profile), z.
  • a coating that increases the wear resistance can be applied to this structure.
  • a transport device 31 for a non-manual, z. B. motor pulling a web start provided.
  • this transport device 31 extends at least also on the web path to behind the printing unit 01.
  • This transport device 31 may in principle be independent of the special design with micro-openings 23 in connection with the turning bar 07.
  • the development is of particular advantage in combination with the formation of micro-openings 23.
  • the transport device 31 as a guide 32, z. B. chain guide 32, with a transportable in this guide 32 finite chain 33, z. B. Einziehkette 33, (in Fig. 11 not visible).
  • the chain guide 32 runs around an edge region of the turning bar 07 on a substantially helical or spiral path by about 90 to 115 °, before then with a substantially horizontal course to the second turning bar 07th runs and this also rotates in its upper edge region on a substantially helical or spiral path by about 90 to 115 °.
  • the pull-in chain 33 In order to enable the helical or spiral path of the pull-in chain 33 in the guide 32, it is preferably designed such that it can be bent in at least a radius of curvature of at most 1000 mm in two spatial directions perpendicular to its transport direction.
  • An advantageous embodiment of the run in the guide 32 chain 33 is in Fig. 12 shown.
  • the chain 33 has each mounted on bolts 34 rollers, wherein the bolts 34 are connected by means of tabs spaced.
  • the chain 33 not only a pivoting movement about the longitudinal axes of the bolt 34 - that is, a curvature in a first spatial direction - run, z. B.
  • the holes in the tabs slightly larger than the diameter of the bolts 34, so that the chain 33 is additionally bendable transversely to the direction or in the longitudinal axis direction of the bolt 34 (second spatial direction).
  • the curved state advantageously results in a maximum radius of curvature R33 of 1,000 mm or preferably but less than 600 mm, more preferably less than 500 mm.
  • the curved state for the above information is of course understood as a bend in the field of force applications without resulting irreversible deformation or destruction. It is also possible, the bolt 34 in its longitudinal direction with different diameters, in particular spherical, execute.
  • the transport device 31 may be in an in Fig. 13 illustrated embodiment as a band 37, z. B. Einziehband 37, have trained transport, which is performed either as a rotating or as a finite, both sides to be wound belt 37 via corresponding tape rolls 38 on the web path around the turning bars 07.
  • a band 37 is indicated by the example of a circulating belt system with downstream and upstream branch, and in a perspective view in Fig. 13 and the detail view in Fig. 14 supplemented with respect to the tape guide around the turning bar 07 around.
  • the branch running downstream (in the transport direction of the web 03) is guided around the height of the turning bar 07 via two belt rollers 38 and then undergoes a change of direction by 90 ° via a further belt roll 38.
  • the upstream running branches simultaneously experiences the same guidance in reverse order. If a web start is fixed to the belt 37, then this is guided around the turning bar 07 and deflected by 90 ° to its preceding transport direction.
  • the chain 33 is coupled.
  • a material web start itself prepared to an approximately triangular Einziehspitze 39 (see Fig. 6a )), provided at the top with a means corresponding to the holding means 36 and coupled or it is a triangular Einziehuch 41 (see Fig. 6b )) of a material other than paper, for.
  • plastic attached to the material web start, and the top over a means corresponding to the holding means 36 coupled to the Einziehband or chain 33.
  • the respective turning bar 07 is pressurized with compressed air.
  • air then exits both from micro-openings 23 of the entwined regions of the turner bar 07 and not yet and / or not yet entwined - without the air-cushion collapsing in the intertwined areas by uncovered micro-openings 23.
  • the air cushion created by the escaping air provides for reduced friction, so that in particular Einziehücher 41 are used in the automatic feeder, which have a higher coefficient of friction than the paper to be recovered.

Landscapes

  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Advancing Webs (AREA)

Claims (22)

  1. Dispositif d'acheminement d'une bande de matière (03) vers une unité d'impression (01) d'une machine à imprimer rotative comportant un support de bobine (06) supportant une bobine de matière (08), disposé latéralement par rapport à l'alignement de machine, et au moins une barre de renvoi (07) disposée sur le chemin de bande entre le support de bobine (06) et l'unité d'impression (01), laquelle est inclinée de 45° par rapport à la direction de transport (T1) de la bande de matière (03) arrivant sur elle, caractérisé en ce que la barre de renvoi (07) présente au moins dans une zone angulaire d'enroulement de la bande de matière (03) des ouvertures de sortie (23) réalisées sous forme de micro-ouvertures (23) pour le passage d'un fluide sous pression, dont le diamètre moyen est inférieur ou égal à 500 µm, et en ce que la barre de renvoi (07) présente lors du déplacement de la bande de matière (03) des micro-ouvertures (23) où s'écoule le fluide, et est soumise à soufflage sur une longueur (L07) supérieure à la largeur de la zone couverte par la bande de matière (03) qui s'enroule.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'unité d'impression (01) comporte un outil de travail (04) rotatif coopérant avec la bande de matière (03), la barre de renvoi (07) disposée sur le chemin de bande entre le support de bobine (06) et l'unité d'impression (01) étant située à une hauteur de la machine supérieure à la hauteur de l'outil de travail (04).
  3. Dispositif selon la revendication 2, caractérisé en ce que la barre de renvoi (07) présente au moins dans une zone angulaire d'enroulement de la bande de matière (03) des ouvertures de sortie (23) réalisées sous forme de micro-ouvertures (23) pour le passage d'un fluide sous pression, dont le diamètre moyen est inférieur ou égal à 500 µm.
  4. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'au moins sur une partie du chemin de bande entre le support de bobine (06) et l'unité d'impression (01), il est prévu un système de transport (31) guidant le début de bande (39 ; 41) autour de la barre de renvoi (07) pour un entraînement non manuel, en particulier motorisé d'un début de bande (39 ; 41).
  5. Dispositif selon la revendication 1 ou 3, caractérisé en ce qu'une bande de matière (03) plus étroite qu'une largeur de bande maximale traitable sur la machine est enroulée sur la barre de renvoi (07) pendant la production, et en ce que du fluide s'écoule des micro-ouvertures (23) dans les zones de bord non couvertes.
  6. Dispositif selon la revendication 1 ou 3, caractérisé en ce que la barre de renvoi (07) est soumise à soufflage sur toute sa longueur utile pendant l'entraînement, et en ce que du fluide s'écoule des micro-ouvertures (23) sur toute sa longueur utile.
  7. Dispositif selon la revendication 1, caractérisé en ce que l'unité d'impression (01) comporte un outil de travail (04) rotatif coopérant avec la bande de matière (03).
  8. Dispositif selon la revendication 2 ou 7, caractérisé en ce que l'unité d'impression (01) et le support de bobine (06) sont décalés l'une par rapport à l'autre, dans la direction d'un axe de rotation (R04) de l'outil de travail (04) de l'unité d'impression (01).
  9. Dispositif selon la revendication 2 ou 7, caractérisé en ce que l'axe de rotation (R08) d'une bobine de matière (08) du support de bobine (06) et l'axe de rotation (R04) de l'outil de travail (04) s'étendent perpendiculairement l'un à l'autre.
  10. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la barre de renvoi (07) présente une longueur (L07) utile pour le renvoi, dont la projection sur la largeur de la bande de matière (03) entrante correspond au moins à une largeur de bande maximale prévue pour traitement sur la machine.
  11. Dispositif selon la revendication 5 ou 10, caractérisé en ce que la largeur de bande maximale prévue pour traitement sur la machine correspond à une largeur de quatre ou de six pages de journal de grand format.
  12. Dispositif selon la revendication 1 ou 2, caractérisé par plusieurs unités d'impression (01), au moins deux desdites unités d'impression (01) étant disposées côte à côte sur un même alignement de machine dans une direction perpendiculaire à l'axe de rotation (R04) des outils de travail (04) respectifs.
  13. Dispositif selon la revendication 12, caractérisé en ce que plusieurs supports de bobine (06) sont disposés latéralement par rapport à l'alignement de machine.
  14. Dispositif selon la revendication 13, caractérisé en ce que deux supports de bobine (06) contigus sont opposés par leur côté de chargement à un passage commun ménagé entre eux.
  15. Dispositif selon la revendication 1 ou 2, caractérisé en ce que deux barres de renvoi (07) horizontales sont disposées dans un espace entre deux unités d'impression (01).
  16. Dispositif selon la revendication 1 ou 3, caractérisé en ce que le diamètre moyen est inférieur ou égal à 300 µm.
  17. Dispositif selon la revendication 1 ou 3, caractérisé en ce que les micro-ouvertures (23) sont réalisées comme pores ouverts d'un matériau poreux.
  18. Dispositif selon la revendication 1 ou 3, caractérisé en ce que les micro-ouvertures (23) sont réalisées comme ouvertures de micro-alésages (27).
  19. Dispositif selon l'une des revendications 1 ou 3 et la revendication 10, caractérisé en ce que la barre de renvoi (07) présente des micro-ouvertures (23) sur au moins une longueur dont la projection sur la largeur de la bande de matière (03) entrante correspond à la largeur de bande maximale prévue pour traitement sur la machine.
  20. Dispositif selon la revendication 19, caractérisé en ce qu'une bande (03) est enroulée autour de la barre de renvoi (07) soumise à soufflage d'air comprimé sur toute la longueur utile présentant des micro-ouvertures (23), dont la largeur est inférieure à la largeur de bande maximale prévue pour traitement sur la machine.
  21. Dispositif selon la revendication 4, caractérisé en ce qu'il est prévu un système de transport (31) guidant le début de bande autour de la barre de renvoi (07).
  22. Procédé d'acheminement d'une bande de matière (03) vers une unité d'impression (01) d'une machine à imprimer rotative comportant un support de bobine (06) supportant une bobine de matière (08), disposé latéralement par rapport à l'alignement de machine, et au moins une barre de renvoi (07) disposée sur le chemin de bande entre le support de bobine (06) et l'unité d'impression (01), laquelle est inclinée de 45° par rapport à la direction de transport (T1) de la bande de matière (03) arrivant sur elle, caractérisé en ce que pendant la production avec une bande de matière (03) plus étroite que la largeur de bande maximale traitable sur la machine, la barre de renvoi (07) est soumise lors du déplacement de la bande de matière (03) à un soufflage sur une longueur utile (L07) totale dimensionnée à la largeur maximale de bande, si bien que du fluide sous pression s'écoule d'ouvertures de sortie (23) réalisées comme micro-ouvertures (23) sur toute la longueur utile (L07).
EP07727268.0A 2006-03-27 2007-03-23 Dispositifs et procédé d'acheminement une bande de matière à une unité d'impression d'une rotative d'imprimerie Not-in-force EP1999051B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006013955A DE102006013955B3 (de) 2006-03-27 2006-03-27 Einrichtungen zum Zuführen einer Materialbahn zu einer Druckeinheit
PCT/EP2007/052794 WO2007110386A2 (fr) 2006-03-27 2007-03-23 Dispositifs et procédé D'achemineMENT une bande de matière à une unité d'impression d'une rotative d'imprimerie

Publications (2)

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EP1999051A2 EP1999051A2 (fr) 2008-12-10
EP1999051B1 true EP1999051B1 (fr) 2013-11-06

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US (1) US7975608B2 (fr)
EP (1) EP1999051B1 (fr)
CN (1) CN101443252B (fr)
DE (1) DE102006013955B3 (fr)
WO (1) WO2007110386A2 (fr)

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CN103481641B (zh) * 2013-08-27 2015-09-23 深圳报业集团印务有限公司 高斯n90可印宽窄报改造方法及可印宽窄报双幅轮转机
CN103448353B (zh) * 2013-08-27 2015-10-07 深圳报业集团印务有限公司 罗兰c75可印宽窄报改造方法及可印宽窄报双幅轮转机
WO2016029133A1 (fr) * 2014-08-22 2016-02-25 Phillip Digenova Ligne de presse flexible utilisant des zones d'impression modulaires
DE102014222168B4 (de) 2014-10-30 2023-05-11 Krones Aktiengesellschaft Verfahren und Vorrichtung zur Handhabung von auf Rollen aufgewickeltem Flach- und/oder Folienmaterial
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CN112775648B (zh) * 2020-12-29 2022-05-06 福建恒安集团有限公司 一种卫生纸机拔轴用置轴架及拔轴器

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Also Published As

Publication number Publication date
DE102006013955B3 (de) 2007-10-31
WO2007110386A3 (fr) 2008-07-17
US7975608B2 (en) 2011-07-12
CN101443252B (zh) 2011-06-01
WO2007110386A2 (fr) 2007-10-04
US20100224088A1 (en) 2010-09-09
CN101443252A (zh) 2009-05-27
EP1999051A2 (fr) 2008-12-10

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