EP1999051A2

EP1999051A2 - Devices and methods for feeding a material web to a press unit of a web-fed rotary press

Info

Publication number: EP1999051A2
Application number: EP07727268A
Authority: EP
Inventors: Peter Franz Beck; Erwin Paul Josef Lehrieder
Original assignee: Koenig and Bauer AG
Current assignee: Koenig and Bauer AG
Priority date: 2006-03-27
Filing date: 2007-03-23
Publication date: 2008-12-10
Anticipated expiration: 2027-03-23
Also published as: WO2007110386A3; DE102006013955B3; CN101443252B; US20100224088A1; WO2007110386A2; US7975608B2; CN101443252A; EP1999051B1

Abstract

The invention relates to a device for feeding a material web (03) to a press unit (01) of a web-fed rotary press having a reel carrier (06) which carries a material reel (08) and is arranged laterally next to the machine line, and having at least one deflection rod (07) which is arranged in the web path between the reel carrier (06) and the press unit (01) and is inclined at 45° with respect to the transport direction (T1) of the material web (03) which runs onto it. At least in a wraparound angular region of the material web (03), the deflection rod (07) has outlet openings (23) which are configured as micro-openings (23) for the passage of a pressurized fluid, the mean diameter of which is at most 500 µm, and, when the material web (03) is moving, the deflection rod (07) has micro-openings (23), through which fluid flows, and is loaded with air on a length (L07) which is greater than the width of the region which is covered by the material web (03) which wraps around it.

Description

description

Means and method for feeding a material web to a printing unit of a web-fed rotary printing press

The invention relates to devices and methods for feeding a material web to a printing unit of a web-fed rotary printing press according to the preamble of claim 1 or 2 or 36 or 37.

By EP 14 68 826 A1 discloses a device for feeding a web to a printing unit is known, wherein a plurality of printing units are viewed in a machine alignment in the longitudinal direction of its printing cylinder viewed side by side. 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.

WO 2005/105447 A1 discloses a device for feeding a material web, wherein a plurality of printing units are arranged side by side viewed in a machine alignment perpendicular to the axis of rotation of the printing cylinder. In one embodiment, 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 cylinders. 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. In other embodiments, 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. DE 198 58 602 A1 discloses a turning bar arrangement on the web path between upstream printing units and a downstream folding hopper, wherein the turning bars are arranged vertically for better accessibility.

WO 2004/037696 A2 discloses turner bars in the superstructure of a printing machine whose air outlet openings are designed as micro-openings with diameters of at most 500 μm, in particular at most 300 μm. The micro-apertures are open pores of a porous material or openings of micro-wells. In one embodiment, the micro-apertures extend the full 360 ° circumference and are blown on both the wrapped and non-looped sides of the circumference.

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 invention has for its object to provide means and methods for feeding a web to a printing unit of a web-fed rotary printing press.

The object is achieved by the features of claim 1 or 2 or 36 or 37.

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. In an advantageous development, the turning bar is formed with openings through which air can flow, wherein the openings are designed as micro-openings. As a result of this measure, it is possible to blow the turner bar independently of a currently selected web width to a length intended for processing in the printing machine for the maximum length without having to cover uncoated edge areas. By forming the openings as micro-openings, z. B. a mean opening diameter of at most 500 .mu.m, the leakage currents in nichtumschlungenen areas and the pressure drop at the entangled areas are kept so low that no mechanical covering unangled areas is no longer required. This also allows a compact design, since the conversion from one web width to another no accessibility to cover more is required.

It is also advantageous in a development, between the reel changer and the printing unit, but at least around the turning bar around to the printing unit, 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, interference-free retraction is possible since 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. In these cases, for example, the installation of reelstands in a cellar or the arrangement of the printing units in so-called "table setup", ie on a plane above the reel splitter, is unnecessary 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.

An advantageous with regard to variable web widths development of the printing press is achieved in that the webs or sub-webs are fed to the folding or hopper assembly out by 90 ° from the machine flight. In this case, the funnel structure is rotated with respect to its inlet direction by 90 ° to the machine alignment of the printing machine and can advantageously also be laterally offset from the machine alignment. With varying web width - and thus also varying partial web width in the case of z. B. 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 by means of adjustable turning bars.

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

Show it:

Fig. 1 is a plan view of a schematic representation of a printing press with staggered roll changers;

Figure 2 is a plan view of a schematic representation of a printing machine with staggered roll changers and offset funnel structure.

3 shows a detailed representation of a printing press, which corresponds to a view I-I of the printing press shown only schematically in FIG. 1;

Fig. 4 is a sectional view view III - III of Fig. 3; Fig. 5 is a detailed view of a printing press, which would correspond to a view II - II of the printing machine shown only schematically in Figure 1;

Fig. 6 is an illustration of a arranged below a control platform turning bar assembly a) with Einziehspitze and b) with Einziehuch;

Fig. 7 shows another embodiment of a printing machine with laterally to

Maschinenflucht put roll changers in side view and top view;

Fig. 8 shows another embodiment of a printing machine with laterally offset machine roll changers;

9 shows an embodiment of a turning bar with microporous material;

10 shows an embodiment of a turning bar with microbores;

Fig. 1 1 is an oblique view of a turning of a chain guide turning bar;

Fig. 12 shows an embodiment of a pull-in chain;

Fig. 13 is an oblique view of a turning bar turned by a wrapping belt;

Fig. 14 is a detail view of Fig. 13;

Fig. 15 shows another embodiment of a printing machine with laterally offset machine roll changers;

Fig. 16 is a web guide arranged above the printing unit Turner bar arrangement and a web guide through the pressure points from bottom to top.

A web-and / or processing machine, z. As 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.

Several printing units 01 may be stacked into a printing tower (e.g., Fig. 8), or a plurality of printing units 02, e.g. For example, four double printing units 02 may be stacked in a printing tower (e.g., Fig. 15). The printing tower may include (e.g., as shown in Fig. 8 below) two stacked satellite printing units, or (as exemplified below in Figs. 15 and 16), e.g. For example, four double-sided printing units for double-sided printing - i. four pairs of printing couples, each with two with their transfer cylinders as a double printing point cooperating printing - 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. In Fig. 1 and 2, a machine center plane M of the machine escape is shown, for example, perpendicular to the axes of rotation R04 of the printing cylinder 04 of the at least two printing units 01 and through the central section of the usable bale length of the printing cylinder 04 runs.

In the example shown, designed as offset printing units 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. In the case of printing units 02 (for example gravure printing, flexographic printing or high-pressure printing units designed as direct printing units), 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. Preferably, in the path of a same train 03 between roller carrier 06 and printing unit 01 only one 45 ° against the respective transport direction T1 of the incoming web 03 inclined turning bar 07 is provided. The turning bars 07 are arranged "lying" in a horizontal plane, ie, a longitudinal axis L (see eg Fig. 5) of the turning bar 07 lies in a horizontal plane E (Fig Pressure units 01 may also be provided with two mutually crossed turning bars 07, which then lie in two spaced-apart horizontal planes E. The turning bar 07 has, for example, an effective length L07 on which it is designed with measures for friction-reduced deflection, ie which, for example, it has an air-permeable surface.

The roller carrier 06 is advantageous as a roll changer 06, z. The printing unit 01 and the roll changer 06 supplying the printing unit 01 with the web 03 are viewed with respect to a direction of the rotation axes R04 of the printing group cylinders 04 In particular, the printing units 01 which comprise the front side frames 09 in the projection are the printing unit 01 and the printing machine frontal side frames 1 1 comprehensive roll changer 06 viewed in the direction of the axes of rotation R04 of the printing unit cylinder 04 spaced from each other. 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.

After passing through the printing units 01 and possibly a superstructure not shown, 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. In Fig. 1, the hopper assembly 12 and the 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. In an embodiment which is advantageous in terms of compact and / or variable web widths, the hopper structure 12 or its former 19 is oriented in such a way that a transport direction T2 of a web 03 running onto the former 19 is perpendicular to the machine center plane M. Level lies. In this case, the web 03 or be produced from the web 03 generated by longitudinal section partial webs over one or more arranged in the superstructure turning bars 21 and deflected by 90 ° from its previous Transpσtrichtung toward the funnel structure 12. For example, 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 show views of a printing press, with FIG. 3 showing a detailed illustration of a printing press which corresponds to a view I-I of the printing press shown only schematically in FIG. Fig. 4 shows a sectional view of the view III - III of Fig. 3, and Fig. 5 is a detailed view of the printing machine of FIG. 3, which corresponds to a view II - II of the printing machine shown only schematically in Fig. 1.

As can be seen in FIG. 5, a web 03 is unwound from a roll 08 carried in the roll changer 06 and is conveyed over a plurality of guide rolls or guide rolls 13, for example by means of a roll. 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. Advantageously, 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. Preferably, on the web path between the turning bar 07 and the entry into a first with the web 03 co-acting printing unit 02 of the printing unit 01 a retraction unit 14 is arranged, which has at least one driven by a motor, not shown draw roller 16. Depending on the orientation of the looped by the web 03 turning bar 07, 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.

In the illustrated embodiment, next to the printing unit 01 or between two printing units 01, a turning bar arrangement with two vertically arranged turning bars 07 is provided. The two turning bars 07 of this turning bar arrangement each receive a web 03 'of two turning exchangers 06 ("tandem arrangement") arranged vertically one after the other in an axis perpendicular to the axis of rotation R08 of the roll 08. In the embodiment with a turning bar arrangement having two crossed turning bars 07 and two roll changers 06 In tandem arrangement, a web 03 coming from one of the roll changers 06 can be fed to a web 03 'from the roll changer 06 and a web 03' coming from the other web changer 06 to a right printing unit 01 as seen from the roll changer 06 two crossed turning bars 07 provided, so when pulling in the web 03 - without pivoting the turning bar 07 - by selecting the turning bar 07 to be avoided, the web 03 can be selectively guided in the right or left printing unit 01st Basically must ever laterally shifted Rollenwech However, only a turning bar 07 may be provided. After bypassing the turning bar 07, in particular after the intake 14, 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 as in Fig. 5 is a lowermost printing unit 02 but also another of the proposed printing units 02.

By a manual or automated roll feeding device 22 corridors may be provided for delivery with rollers 08. In the case of an automatic roll feeder 22, this may be a conveyor system having, for example, trolleys guided in rails. The two in Fig. 5 arranged in tandem arrangement Rollenwechsler 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 offset laterally to the machine offset reel changers 06, wherein here printing towers are provided from two stacked printing units 01. As illustrated by dashed lines, 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 below explained micro-openings having 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.

In Fig. 8, another embodiment of a printing machine with laterally offset to the machine offset reel changers 06 is shown, in which here printing towers from two stacked printing units 01, in particular satellite printing units, and z. T. additionally provided a six-cylinder additional printing. By way of example, 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. Optionally, a fourth funnel can be provided next to it.

Likewise, in FIG. 8, the turning bar arrangement is illustrated by dashed lines as an example, alternatively on a plane at the level of the printing tower, in particular at a height above the printing couple cylinder 04 of the lower printing unit 01 and below the printing couple cylinder 04 of the upper printing unit 01. 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 shown in FIGS. 15 and 16 is then applied accordingly.

FIG. 15 shows a further embodiment of a printing press with roll changers 06 offset laterally from the machine. In this case, the deflection bar 07 arranged at the web path between roller carrier 06 and printing unit 01 is at a height of the machine above the height of printing units 02, in particular above the last printing unit 02 or its printing cylinder 04 is arranged. This design is particularly space-saving, since the space, d. H. a distance a01 between two adjacent printing units 01 can be made narrower and / or can be used in another way. 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. In particular, a turner bar arrangement with two crossed turner bars 07 can be arranged in the manner described above. In this case, an arrangement of the roll changer 06 as shown in gate assembly, d. H. two reel changer 06 in a direction perpendicular to the machine center plane M escape one behind the other, be provided. Instead of two such turning bars 07 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 performed from top to the printing unit 01 after one revolution of the turning bar 07 via one or more guide rollers 42 or rods running parallel to the printing unit cylinders 04 and pass 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). As can be seen in FIG. 15c), in the case of the turning bar 07 arranged above the printing unit 01, the drawing-in unit 14 can likewise be provided above the printing unit 01 or at an upper end of the printing unit 01.

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).

In a particularly advantageous embodiment - in particular i.V.m. variable web widths and / or an automatic retraction - has the turning bar 07 at least in a Umschlingungswinkelbereich 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. Under 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 embodied in an embodiment shown in FIG. 10 as openings of microbores 27, which may be formed 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 μm, for example 60 to 100 μm, in particular approximately 80 μm. The open area in the perforated area can be 0.01 to 0.05%, in particular approximately 0.03%.

In the wrap area, for different angle sections (e.g., for the run-up area, the run-off area of the track, an intervening area looped through the track) areas of different perforations - e.g. different hole number densities and / or hole diameter - be provided.

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. Alternatively, 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, pipe segment) should be less than 2 mm in the area to be perforated, in particular 1.5 mm should not exceed.

In contrast to the illustration, the turner bar 07 can also have a part-circular profile instead of a circular-shaped cross-section, wherein an angular range is formed in part-circular fashion (for example 180 °, in particular 180 ° to 270 °) and the open chord has a straight end.

In the embodiment shown in Fig. 9, the turning bar 07 has a base 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. In a variant, however, 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 Umschlingungswinkelbereich) rich, but the layer 29 applied fully, ie, the base body 24 is fully coated.

In connection with 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. with a width for the same number of pages of a smaller print format and / or a width for a smaller number of printed pages - fed and deflected by the turning bar 07, so nichtumschlungene edge portions of the turning bar 07 must not be covered as usual, since the special structure of the air outlet openings 23 as micro-openings 23 (open pores or microbores 23) only leads to low leakage currents and / or low pressure loss. In an operating situation for processing a narrower (full) web 03, which is narrower than the maximum possible width, the turning bar 07 is then blown with compressed air over its entire length L07 having micro-openings 23 and air is expelled from the entire length L07 of the micro-openings 23 MikroÖffnungen 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 μm, in particular 10 to 30 μm. 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 can also have another special surface coating, which is particularly slippery for the web, in a variant for execution with 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. As an aluminum profile, with a glass bead structure. In addition, a coating that increases the wear resistance can be applied to this structure. In a further development, it is possible to provide a blowing device in the area shortly before or directly in the gusset of the web on the turning bar 07, by means of which air can be blown under the web, which is entrained by the web and the formation of an air cushion between turning bar surface and web supported.

In an advantageous development, a transport device 31 for a non-manual, z. B. motor pulling a web start provided. Preferably, this transport device 31 also extends at least along the path to behind the printing unit 01. In principle, this transport device 31, in conjunction with the turning bar 07, can be independent of the special design with micro-openings 23. However, the development is of particular advantage in combination with the formation of micro-openings 23. In a perspective in Fig. 1 1 for one of the two crossed the turning bars 07 (corresponding applicable for the other turning bar and in the case only a turning bar 07 having turning bar arrangement) exemplified embodiment, 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, (not visible in Fig. 1 1) executed. Coming from the reel changer 06 or from the upper guide roller 13, the chain guide 32 runs around an edge region of the turning bar 07 on a substantially helical or spiral path by approximately 90 to 15 °, before subsequently following a substantially horizontal course up to the second turning bar 07 runs and this also rotates in its upper edge region on a substantially helical or spiral path by about 90 to 1 15 °.

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 1 000 mm in two spatial directions perpendicular to its transport direction. An advantageous embodiment of the guided in the guide 32 chain 33 is shown in Fig. 12. The chain 33 has each mounted on bolts 34 rollers, wherein the bolts 34 are connected by means of tabs spaced. Thus, 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). In 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 in a embodiment shown in Fig. 13 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. In Fig. 6, such a band 37 is indicated by the example of a rotating belt system with downstream and upstream branch, and supplemented in a perspective view in Fig. 13 and the detail view in Fig. 14 with respect to the tape guide around the turning bar 07 around , Coming from the roll changer 06, 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.

On the way between reel changer 06 and printing unit 01 is a retraction of whole webs 03, which z. B. a width of at least two, z. B. four, six or even eight, newspaper pages have a broadsheet format.

For drawing a web 03 whose web start, a z. B. triangular web start 39; 41, to the band 37 or indicated in Fig. 12 holding means 36, z. As a coupling, hook or driver, the chain 33 is coupled. For this purpose, for example, either a material web start itself prepared to an approximately triangular Einziehspitze 39 (see Fig. 6a)), provided at the top with a holding means 36 corresponding means and coupled or it is a triangular Einziehuch 41 (see Fig. 6b) ) of a material other than paper, for. As 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. During the entire Einziehvorganges or z. B. from the moment that the Einziehspitze 39 or the Einziehuch 41, the turning bar 07 begins to wrap, the respective turning bar 07 is pressurized with compressed air. During the retraction process, air then exits both from micro-openings 23 of the looped, and also not and / or not yet looped regions of the turner bar 07 - without the air cushion in the looped areas coinciding with 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. With the use of micro-openings 23, the leakage current in the area not yet covered by the triangular tip (pull-in tip 39 or pull-in cloth 41) is low and therefore the formation of air cushioning in the already covered area is effective.

LIST OF REFERENCE NUMBERS

01 web-processing and / or processing unit, printing unit

02 printing unit

03 Material web, paper web, web

04 rotating machining tool, printing cylinder, transfer cylinder

05 form cylinder

06 roller carrier, reel changer

07 turning bar, turning bar

08 roll, roll of material, roll of paper

09 side frame

10 -

1 1 side frame

12 funnel construction

13 deflecting roller

14 intake mechanism

15 -

16 draw roller

17 operator platform

18 deflecting roller

19 Folding funnel

20 folder

21 turning bar

22 roller feeder

23 outlet opening, air outlet opening, microopening

24 basic body

25 -

26 interior

27 micro bore 28 opening

29 microporous layer

30 -

31 Transport device

32 guide, chain guide

33 chain, retractable chain

34 bolts

35 -

36 holding means

37 volume, Einziehband

38 tape roll

39 web start, Einziehspitze

40 -

41 web beginning, Einziehuch

42 guide roller

aO1 distance

E level, vertical

L longitudinal axis

M machine center level

L07 length, effective

R04 rotation axis

R08 rotation axis

R33 radius of curvature

T1 transport direction

T2 transport direction

Claims

claims

1. A device for feeding a material web (03) to a printing unit (01) of a web-fed rotary printing machine with a roll of material (08) carrying roller carrier (06) which is arranged laterally next to the machine escape, and at least one in the web path between roller carrier (06) and pressure unit (01) arranged deflection bar (07) which is inclined by 45 ° to the transport direction (T1) of the material web (03) running up on them, characterized in that the deflection bar (07) at least in a Umschlingungswinkelbereich the material web (03) as Micro openings (23) formed outlet openings (23) for the passage of a pressurized fluid having a mean diameter of at most 500 microns, and that the deflection bar (07) with moving material web (03) on a length (L07) through which micro-openings (23 ) and is blown, which is greater than the width of the by the belt of material (03) gede gede area.

2. Device for feeding a material web (03) to a printing unit (01) of a web-fed rotary printing machine with a roll of material (08) carrying roller carrier (06), which is arranged laterally next to the machine escape, and with at least one in the web path between roller carrier (06) and pressure unit (01) arranged deflection bar (07) which is inclined by 45 ° to the transport direction (T1) of the material web (03) running up on them, characterized in that the deflection bar (07) at least in a Umschlingungswinkelbereich the material web (03) as Micro openings (23) formed outlet openings (23) for the passage of a pressurized fluid having a mean diameter of at most 500 microns, and that at least on a part of the web path between the roller carrier (06) and the printing unit (01) one the web start leading to the deflection bar (07) leading transport device (31) for a non-manual, in particular motor, Drawing in a web beginning (39; 41) is provided.

3. Device according to claim 1 or 2, characterized in that the pressure unit (01) with the material web (03) cooperating, rotating machining tool (04), wherein on the web path between roller carrier (06) and pressure unit (01) arranged Deflection bar (07) is arranged at a height of the machine above the height of the machining tool (04).

4. Device according to claim 3, characterized in that the deflecting rod (07) at least in a Umschlingungswinkelbereich the material web (03) as micro-openings (23) formed outlet openings (23) for the passage of a pressurized fluid having a mean diameter of at most 500th μm.

5. Device according to claim 1 or 3, characterized in that at least on a part of the web path between the roller carrier (06) and the printing unit (01) a web start (39; 41) to the deflecting rod (07) leading transport device (31) for a non-manual, in particular motor, pulling a web start (39, 41) is provided.

6. Device according to claim 1, 2 or 4, characterized in that with moving material web (03) in at least one longitudinal section of the deflecting rod (07) by non-entwined micro-openings (23) the pressurized fluid emerges.

7. Device according to claim 1, 2 or 4, characterized in that the deflecting rod (07) in moving material web (03) of this and / or of the web start (39; 41) is looped, wherein in at least one longitudinal section the deflecting rod (07) through non-entangled micro-openings (23) the pressurized fluid escapes.

8. Device according to claim 1 or 4, characterized in that the deflection bar (07) during production of a compared to a maximum in the machine processable web width narrower web (03) is looped and in uncovered edge areas fluid from the micro-openings (23) flows ,

9. Device according to claim 1, 2 or 4, characterized in that the deflecting rod (07) is blown during the drawing over its entire effective length and flows on its entire effective length of fluid from MikroÖffnungen (23).

10. Device according to claim 1, 2 or 4, characterized in that the deflecting rod (07) is surrounded by a triangular web beginning (39; 41) but is blown over its entire effective length and, over its entire effective length, fluid from micro-openings (39; 23) flows.

1 1. Device according to claim 1, 2 or 3, characterized in that the deflection bar (07) is arranged lying in the way, so that a longitudinal axis (L) of the deflection bar (07) extends in a horizontal plane.

12. Device according to claim 1 or 2, characterized in that the pressure unit (01) with the material web (03) cooperating, rotating machining tool (04).

13. Device according to claim 3 or 12, characterized in that the pressure unit (01) and the roller carrier (06) with respect to a direction of a Rotation axis (R04) of the machining tool (04) of the printing unit (04) considered offset from each other.

14. Device according to claim 3 or 12, characterized in that the axis of rotation (R08) of a roll of material (08) of the roller carrier (06) and the axis of rotation (R04) of the machining tool (04) are perpendicular to each other.

15. Device according to claim 1, 2 or 3, characterized in that the deflection bar (07) has an effective length for deflection (L07) whose projection on the width of the incoming material web (03) at least one maximum intended in the machine for processing Web width corresponds.

16. Device according to claim 8 or 15, characterized in that the maximum provided in the machine for processing web width corresponds to a width of four newspaper pages of a broadsheet format.

17. Device according to claim 8 or 15, characterized in that the maximum provided in the machine for processing web width corresponds to a width of six newspaper pages of a broadsheet format.

18. Device according to claim 1, 2 or 3, characterized by a plurality of printing units (01), wherein at least two of these printing units (01) in a direction perpendicular to the axis of rotation (R04) of the respective processing tools (04) considered in a same machine alignment are arranged side by side ,

19. A device according to claim 18, characterized in that a machine center plane (M) of the machine alignment perpendicular to the axes of rotation (R04) of the processing tools (04) of the at least two printing units (01) and through the central section of a usable bale length of the processing tools (04).

20. Device according to claim 18, characterized in that a plurality of roller carriers (06) are arranged laterally next to the machine alignment.

21. Device according to claim 20, characterized in that two adjacent roller carriers (06) point with their feed side to a common corridor lying between them.

22. Device according to claim 1, 2 or 3, characterized in that in a space between two printing units (01) lying two deflection rods (07) are arranged.

23. Device according to claim 3, characterized in that above two lying between two pressure units (01) intermediate space lying deflection rods (07) are arranged.

24. Device according to claim 1, 2 or 4, characterized in that the average diameter is at most 300 microns.

25. Device according to claim 1, 2 or 4, characterized in that the micro-openings (23) are formed as open pores of a porous material.

26. Device according to claim 1, 2 or 4, characterized in that the micro-openings (23) are formed as openings of micro-bores (27).

27. Device according to claim 1, 2 or 4, characterized in that the Deflection bar (07) only in an angular range less than 270 ° micro-openings (23).

28. Device according to one of claims 1, 2 or 4 and claim 15, characterized in that the deflection bar (07) on at least one length whose projection on the width of the incoming material web (03) of the maximum provided in the machine for processing web width corresponds, has micro-openings (23).

29. A device according to claim 28, characterized in that on the entire micro-openings (23) having effective length with compressed air blown deflecting rod (07) by a web (03) is wrapped, whose width is less than that of the maximum in the machine for processing intended web width is.

30. A device according to claim 5, characterized in that a web start to the deflecting rod (07) leading transport device (31) is provided.

31. Device according to claim 2, 5 or 30, characterized in that the transport device (31) as a guide (32) with a in this guide (32) transportable finite chain (33) is executed.

32. Device according to claim 2, 5 or 30, characterized in that the transport device (31) is designed as a tape reel (38) guided Einziehband (37).

33. Device according to one or more of the preceding claims, characterized in that the machine is designed as a printing press.

34. Device according to one or more of the preceding claims, characterized in that the machining tool (04) is designed as a printing cylinder (04).

35. Device according to one or more of the preceding claims, characterized in that the roller carrier (06) as a reel changer (06), in particular as a reel changer (06) for the flying reel change, is formed.

36. Method for feeding a material web (03) to a printing unit (01) of a web-fed rotary printing press with a roll carrier (06) carrying a roll of material (08), which is arranged laterally next to the machine run, and with at least one web carrier between roller carriers (06) and pressure unit (01) arranged deflecting rod (07), which is inclined by 45 ° to the transport direction (T1) of the material web (03) running up on it, characterized in that during production with a compared to a maximum processable in the machine web width narrower web (03) the deflecting bar (07) is blown over an entire length (L07) designed for the maximum web width with the material web (03) moving so that over the entire effective length (L07) outlets (25) are formed as microholes (23). 23) exiting fluid under pressure.

37. Method for feeding a material web (03) to a printing unit (01) of a web-fed rotary printing press with a roll carrier (06) carrying a roll of material (08), which is arranged laterally next to the machine run, and with at least one web carrier between roller carriers (06) and pressure unit (01) arranged deflecting rod (07), which is inclined by 45 ° to the transport direction (T1) of the material web (03) running onto it, characterized in that during the drawing of the material web (03) by means of a transport device (31) a motor pulling the deflection bar (07) when moving Material web (03) on an entire effective length (L07) is blown, so that on the entire effective length (L07) from micro-openings (23) formed outlet openings (23) exiting fluid under pressure.

38. The method according to claim 36 or 37, characterized in that the

Material web (03) is guided from above into the printing unit (01) and with its transport direction successively several superposed printing units (02) passes from top to bottom.