EP1999051B1 - Devices and methods for feeding a material web to a press unit of a web-fed rotary press - Google Patents
Devices and methods for feeding a material web to a press unit of a web-fed rotary press Download PDFInfo
- 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
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Classifications
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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)
Description
Die Erfindung betrifft eine Einrichtung und ein Verfahren zum Zuführen einer Materialbahn zu einer Druckeinheit einer Rollenrotationsdruckmaschine gemäß dem Oberbegriff des Anspruchs 1 bzw. 22.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
Durch die
Die
In der
Durch die
Die
Die
Der Erfindung liegt die Aufgabe zugrunde, eine Einrichtung und ein Verfahren zum Zuführen einer Materialbahn zu einer Druckeinheit einer Rollenrotationsdruckmaschine zu schaffen.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.
Die Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 bzw. 22 gelöst.The object is achieved by the features of
Die mit der Erfindung erzielbaren Vorteile bestehen unter anderem darin, dass beim Einziehen einer Bahn und/oder beim Betrieb mit variierenden Bahnbreiten ein störungsfreier Betrieb mit verminderten Anforderungen an händische Eingriffe ermöglicht wird. Dies gilt insbesondere für die vorliegende Aufstellung der Druckmaschine, bei welcher die zuzuführende Bahn von einer Maschinenlängsseite her eingewendet wird.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 einer vorteilhaften Weiterbildung ist die Wendestange mit luftdurchströmbaren Öffnungen ausgebildet, wobei die Öffnungen als Mikroöffnungen ausgebildet sind. Durch diese Maßnahme ist es möglich, die Wendestange unabhängig von einer aktuell gewählten Bahnbreite auf einer für die maximal in der Druckmaschine zur Verarbeitung vorgesehenen Länge zu beblasen, ohne dass nichtumschlungene Randbereiche abgedeckt werden müssten. Durch die Ausbildung der Öffnungen als Mikroöffnungen, z. B. einem mittleren Öffnungsdurchmesser von höchstens 500µm, werden die Verlustströme in nichtumschlungenen Bereichen und der Druckabfall an den umschlungenen Bereichen derart gering gehalten, dass kein mechanisches Abdecken nichtumschlungener Bereiche mehr erforderlich ist. Auch dies ermöglicht eine kompakte Bauweise, da zur Umstellung von einer Bahnbreite auf eine andere keine Zugänglichkeit zur Abdeckung mehr erforderlich ist.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.
Ebenfalls von Vorteil ist es in einer Weiterbildung, zwischen dem Rollenwechsler und der Druckeinheit, zumindest jedoch um die Wendestange herum bis in die Druckeinheit, eine Transportvorrichtung für ein nichtmanuelles, z. B. motorisches Einziehen eines Bahnanfanges vorzusehen. Auch dies erspart ein regelmäßiges Eingreifen. Besonders in Verbindung mit einer Mikroöffnungen aufweisenden Wendestange ist ein störungsfreies Einziehen möglich, da diese ohne nennenswerten Druckabfall durch noch nicht bedeckte Bereiche während des Einziehvorganges über die gesamte Länge beblasen sein kann.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, 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.
Die örtlichen Gegebenheiten weisen oftmals Randbedingungen auf, welche eine Unterkellerung ausschließen und/oder die Höhe durch eine maximale Gebäudehöhe bzw. die Höhe einer bereits bestehenden Halle eingeschränkt ist. In diesen Fällen entfällt z.B. die Aufstellung von Rollenwechslern in einem Keller oder die Anordnung der Druckeinheiten in sog. "Tischaufstellung", d. h. auf einer Ebene oberhalb der Rollenwechsler. Vorteilhaft ist in diesen Fällen eine Aufstellung der Rollenwechsler und der Druckeinheiten auf einer selben Anlagenebene, d. h. in Parterreanordnung. Im Gegensatz zu Druckmaschinen in Parterrebauweise, wobei die Rollenwechsler ebenfalls in der Maschinenflucht angeordnet sind, baut eine Druckmaschine in Parterrebauweise mit seitlich zur Maschinenflucht angeordneten Rollenwechslern kürzer und erfordert i.d.R. kürzere Bahnwege. Auch dies trägt zum möglichst störungsfreien Betrieb bei.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, eliminates the installation of reel changers in a basement or the arrangement of the printing units in so-called. "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 Parterreanordnung. 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.
Eine im Hinblick auf variable Bahnbreiten vorteilhafte Weiterbildung der Druckmaschine ist dadurch erreichbar, dass die Bahnen bzw. Teilbahnen zum Falz- bzw. Trichteraufbau hin um 90° aus der Maschinenflucht geleitet werden. Der Tichteraufbau steht in diesem Fall bzgl. seiner Einlaufrichtung um 90° zur Maschinenflucht der Druckmaschine gedreht und kann vorteilhafter Weise ebenfalls zur Maschinenflucht seitlich versetzt sein. Bei variierender Bahnbreite - und damit auch variierender Teilbahnbreite im Fall von z. B. vier oder sechs Zeitungsseiten breiten Vollbahnen - können Falztrichter eines Trichteraufbaus ortsfest verbleiben, während die Ausrichtung der neuen Teilbahnen auf die Trichterspitzen im Überbau mittels ortsveränderbarer Wendestangen erfolgt.An advantageous with regard to 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. 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 is done by means of mobile turning bars.
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
- eine Draufsicht auf eine schematische Darstellung einer Druckmaschine mit versetzten Rollenwechslern;
- Fig. 2
- eine Draufsicht auf eine schematische Darstellung einer Druckmaschine mit versetzten Rollenwechslern und versetztem Trichteraufbau;
- Fig. 3
- eine detaillierte Darstellung einer Druckmaschine, welche einer Ansicht I - I der lediglich schematisch in
Fig. 1 dargestellten Druckmaschine entspräche; - Fig. 4
- eine Schnittdarstellung Ansicht III - III der
Fig. 3 ; - Fig. 5
- eine detaillierte Darstellung einer Druckmaschine, welche einer Ansicht II - II der lediglich schematisch in
Fig. 1 dargestellten Druckmaschine entspräche; - Fig. 6
- eine Darstellung einer unterhalb einer Bedienplattform angeordneten Wendestangenanordnung a) mit Einziehspitze und b) mit Einziehtuch;
- Fig. 7
- ein weiteres Ausführungsbeispiel für eine Druckmaschine mit seitlich zur Maschinenflucht versetzen Rollenwechslern in Seitenansicht und Draufsicht;
- Fig. 8
- ein weiteres Ausführungsbeispiel für eine Druckmaschine mit seitlich zur Maschinenflucht versetzen Rollenwechslern;
- Fig. 9
- eine Ausführung einer Wendestange mit mikroporösem Material;
- Fig. 10
- eine Ausführung einer Wendestange mit Mikrobohrungen;
- Fig. 11
- eine Schrägansicht einer von einer Kettenführung umführten Wendestange;
- Fig. 12
- eine Ausführung einer Einziehkette;
- Fig. 13
- eine Schrägansicht einer von einem Einziehband umführten Wendestange;
- Fig. 14
- eine Detailansicht aus
Fig. 13 ; - Fig. 15
- ein weiteres Ausführungsbeispiel für eine Druckmaschine mit seitlich zur Maschinenflucht versetzen Rollenwechslern;
- Fig. 16
- eine Bahnführung mit oberhalb der Druckeinheit angeordneter Wendestangenanordnung und einer Bahnführung durch die Druckstellen von unten nach oben.
- Fig. 1
- a plan view of a schematic representation of a printing press with staggered roll changers;
- Fig. 2
- a plan view of a schematic representation of a printing machine with staggered roll changers and offset hopper construction;
- Fig. 3
- a detailed view of a printing machine, which a view I - I of only schematically in
Fig. 1 represented correspond to printing press; - Fig. 4
- a sectional view View III - III of
Fig. 3 ; - Fig. 5
- a detailed view of a printing machine, which a view II - II of only schematically in
Fig. 1 represented correspond to printing press; - Fig. 6
- a representation of a arranged below a control platform turning bar assembly a) with Einziehspitze and b) with Einziehuch;
- Fig. 7
- a further embodiment of a printing machine with laterally offset to the machine roll changers in side view and top view;
- Fig. 8
- a further embodiment of a printing press with laterally offset machine roll changers;
- Fig. 9
- an embodiment of a turning bar with microporous material;
- Fig. 10
- an embodiment of a turning bar with microbores;
- Fig. 11
- an oblique view of a turned of a chain guide turning bar;
- Fig. 12
- an embodiment of a Einziehkette;
- Fig. 13
- an oblique view of a turning bar turned by a Einziehband;
- Fig. 14
- a detailed view
Fig. 13 ; - Fig. 15
- a further embodiment of a printing press with laterally offset machine roll changers;
- Fig. 16
- a web guide arranged above the printing unit Turner bar arrangement and a web guide through the pressure points from bottom to top.
Eine bahnbe- und/oder -verarbeitende Maschine, z. B. eine Druckmaschine, insbesondere Rollenrotationsdruckmaschine, weist mindestens ein bahnbe- und/oder - verarbeitendes Aggregat 01, insbesondere eine Druckeinheit 01 mit einem oder mehreren Druckwerken 02 auf, durch welche eine Materialbahn 03, z. B. eine Papierbahn 03, kurz: Bahn 03 be- bzw. verarbeitbar, insbesondere bedruckbar ist. Das bahnbe- und/oder - verarbeitende Aggregat 01 weist wenigstens ein mit der Bahn 03 zusammenwirkendes rotierendes Bearbeitungswerkzeug 04, z. B. einen Druckwerkszylinder 04 auf.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
Es könne mehrere Druckeinheiten 01 zu einem Druckturm gestapelt (z.B.
Im dargestellten Beispiel von als Offsetdruckwerken ausgebildeten Druckwerken 02 sind die mit der Bahn 03 zusammen wirkenden Druckwerkszylinder 04 als Übertragungszylinder 04 ausgeführt, welche jeweils mit einem eine Druckform tragenden Formzylindern 05 zusammen wirken. Im Falle von als Direktdruckwerken ausgebildeten Druckwerken 02 (z. B. Tiefdruck-, Flexodruck- oder Hochdruck-Druckwerken können die mit der Bahn 03 zusammenwirkenden Druckwerkszylinder 04 auch als die die Druckform tragenden Druckwerkszylinder ausgebildet sein.In the example shown, designed as offset printing
Die Druckeinheit 01 erhält die zu bedruckende Bahn 03 von wenigstens einem Rollenträger 06 für eine abzuwickelnde Bahn 03 über wenigstens eine im Bahnweg zwischen Rollenträger 06 und Druckeinheit 01 um 45° gegen die Transportrichtung T1 der auf sie auflaufenden Bahn 03 geneigte Umlenkstange 07, z. B. Wendestange 07. Vorzugsweise ist im Bahnweg einer selben Bahn 03 zwischen Rollenträger 06 und Druckeinheit 01 lediglich eine um 45 ° gegen die jeweilige Transportrichtung T1 der einlaufenden Bahn 03 geneigte Wendestange 07 vorgesehen. Die Wendestangen 07 sind in einer horizontalen Ebene "liegend" angeordnet. D. h., eine Längsachse L (siehe z. B.
Der Rollenträger 06 ist vorteilhaft als Rollenwechsler 06, z. B. als Stillstandsrollenwechsler, vorzugsweise jedoch als Rollenwechsler 06 für den Rollenwechsel bei Produktionsgeschwindigkeit ("fliegender" Rollenwechsel), ausgeführt. Die Druckeinheit 01 und der die Druckeinheit 01 mit der Bahn 03 versorgende Rollenwechsler 06 sind bezüglich einer Richtung der Rotationsachsen R04 der Druckwerkszylinder 04 betrachtet versetzt zueinander angeordnet. Insbesondere sind die in der Projektion stirnseitige Seitengestelle 09 umfassende Druckeinheit 01 und der stirnseitige Seitengestelle 11 umfassende Rollenwechsler 06 in Richtung der Rotationsachsen R04 der Druckwerkszylinder 04 betrachtet beabstandet voneinander angeordnet. Bei mehreren in einer Maschinenflucht angeordneten Druckeinheiten 01 ist der bzw. sind die Rollenwechsler 06 seitlich neben der Maschinenflucht angeordnet. Der Rollenwechsler 06 ist in der Weise orientiert, dass die Rotationsachse R08 einer durch den Rollenwechsler 06 getragenen Rolle 08, z. B. Materialrolle 08 bzw. Papierrolle 08, im wesentlichen senkrecht zur Rotationsachse R04 der demselben Bahnlauf zugeordneten Druckwerkszylinder 04 orientiert ist.The
Nach dem Durchlaufen der Druckeinheiten 01 und ggf. einem nicht näher dargestellten Überbau wird die bedruckte Bahn 03 z. B. einem einen oder mehrere Falztrichter 19 aufweisenden Trichteraufbau 12 und anschließend ggf. zur Weiterverarbeitung einem darunter angeordnetem Falzapparat 20 zugeführt. In
Der Trichteraufbau 12 kann wie strichpunktiert angedeutet einen oder mehrere (z. B. zwei, drei oder gar vier) quer zur Transportrichtung T2 aus einer selben Maschinenebene horizontal nebeneinander angeordnete Falztrichter 19 aufweisen. Darüber hinaus kann er vertikal übereinander mehrere Ebenen mit je einem oder mehreren Falztrichtern 19 aufweisen.The
In den
Wie in
In der dargestellten Ausführung ist neben der Druckeinheit 01 bzw. zwischen zwei Druckeinheiten 01 eine Wendestangenanordnung mit zwei vertikal übereinander angeordneten Wendestangen 07 vorgesehen. Die beiden Wendestangen 07 dieser Wendestangenanordnung erhalten jeweils eine Bahn 03' von zwei in einer zur Rotationsachse R08 der Rolle 08 senkrecht verlaufenden Flucht hintereinander angeordneten Rollenwechslern 06 ("Tandemanordnung"). In der Ausführung mit einer zwei gekreuzten Wendestangen 07 aufweisenden Wendestangenanordnung und zwei Rollenwechslern 06 in Tandemanordnung kann gleichzeitig eine von einem der Rollenwechsler 06 kommende Bahn 03 einer vom Rollenwechsler 06 her gesehen linken und eine von dem anderen Rollenwechsler 06 kommende Bahn 03' einer vom Rollenwechsler 06 her gesehen rechten Druckeinheit 01 zugeführt werden. Ist lediglich ein Rollenwechsler 06 auf Höhe zweier gekreuzter Wendestangen 07 vorgesehen, so kann beim Einziehen der Bahn 03 - ohne ein Verschwenken der Wendestange 07 - durch Auswahl der zu umfahrenden Wendestange 07 die Bahn 03 wahlweise in die rechte oder linke Druckeinheit 01 geführt werden. Grundsätzlich muss je seitlich versetztem Rollenwechsler 06 jedoch lediglich eine Wendestange 07 vorgesehen sein. Nach Umfahren der Wendestange 07, insbesondere nach dem Einzugwerk 14, kann die Bahn 03 über eine oder mehrere zusätzliche Umlenkwalzen 18 zum ersten zu durchlaufenden Druckwerk 02 geführt sein. Dieses kann wie in
Durch eine manuelle oder automatisierte Rollenbeschickungseinrichtung 22 können Flure zur Belieferung mit Rollen 08 vorgesehen sein. Im Fall einer automatischen Rollenbeschickungseinrichtung 22 kann dies ein Fördersystem sein, welches beispielsweise in Schienen geführte Transportwagen aufweisen. Die beiden in
In
Ebenfalls in
Die Bahn 03 kann nach Umlaufen der Wendestange 07 über eine oder mehrere parallel zu den Druckwerkszylindern 04 verlaufende Umlenkwalzen 42 oder -stangen von oben in die Druckeinheit 01 geführt werden und diese von "Oben nach Unten" durchlaufen (
Wie in
Durch diese Anordnung der Wendestange(n) 07 oberhalb der Ebene der Druckeinheit 01 ist eine kompakte Anordnung in Bezug auf die Bahnführungen und Bahnlängen (Anzahl Leitelemente, Bahnspannung usw.) geschaffen. Es ist keine Grube bzw. sonstige Absicherungen im Bereich der Bedienplattform 17 erforderlich. Auf dem Bahnweg vom Rollenwechsler 06 zur Druckeinheit 01 ist lediglich eine Umlenkung über 90° erforderlich. Die Wendestange 07 kann in dieser Anordnung herkömmlich ausgebildet sein, in vorteilhafter Weiterbildung jedoch wie nachfolgend beschrieben ausgeführt sein. Von Vorteil ist auch - insbesondere wegen der zu überbrückenden Wegstrecke zwischen Rollenwechsler 06 und Wendestange 07 - eine Transportvorrichtung 31 für ein nichtmanuelles Einziehen (s.u.) vorzusehen.By this arrangement of the turning bar (s) 07 above the plane of the
In einer besonders vorteilhaften Ausführung - insbesondere i.V.m. variablen Bahnbreiten und/oder einem automatischem Einziehen -weist die Wendestange 07 zumindest in einem Umschlingungswinkelbereich der Bahn 03, z. B. in einem Winkelbereich kleiner 270°, als Mikroöffnungen 23 ausgebildete Austrittsöffnungen 23 für den Durchtritteines unter Druck stehenden Fluids, z. B. Luftaustrittsöffnungen 23 auf. Unter Mikroöffnungen 23 werden hier Öffnungen auf der Oberfläche des Bauteils verstanden, welche einen mittleren Durchmesser kleiner oder gleich 500 µm, vorteilhaft kleiner oder gleich 300 µm, insbesondere kleiner oder gleich 150 µm aufweisen.In a particularly advantageous embodiment - in particular i.V.m. variable web widths and / or an automatic retraction - the
Die Mikroöffnungen 23 können in einer in
Im Umschlingungsbereich können für verschiedene Winkelabschnitte (z.B. für den Auflaufbereich, den Ablaufbereich der Bahn einen dazwischen liegenden durch die Bahn umschlungenen Bereich) Bereiche unterschiedlicher Perforierung-z.B. unterschiedliche Lochanzahldichten und/oder Lochdurchmesser - vorgesehen sein.In the wrap area, for different angle sections (e.g., the run-up area, the run-off area of the track, an intermediate area looped through the track), areas of different perforations-e.g. different hole number densities and / or hole diameter - be provided.
Die Mikrobohrungen 27 können durch ein Verfahren hergestellt sein, wobei die zu perforierende Fläche, z.B. ein 2-3 mm dickes Aluminiumblech bzw. -rohr bzw. -rohrsegment durch Elektronenstrahl perforiert wird. Alternativ kann die Perforation auch durch eine Ätztechnik erreicht werden, wobei hierbei jedoch eine Materialstärke des zu perforierenden Materials (Blech, Rohr, Rohrsegment) im zu perforierenden Bereich unter 2 mm sein sollte, insbesondere 1,5 mm nicht übersteigen sollte.The
Im Gegensatz zur Darstellung kann die Wendestange 07 anstelle eines kreisringförmigen Querschnittes auch ein teilkreisförmiges Profil aufweisen, wobei ein Winkelbereich teilkreisförmig (z.B. ≥ 180°, insbesondere 180° bis 270°) ausgebildet ist und die offene Sehne einen geraden Abschluss aufweist.In contrast to the illustration, the
In der in
Im Zusammenhang mit variablen Bahnbreiten, d. h. einer Ausgestaltung der Druckmaschine zum Bedrucken unterschiedlich breiter (Voll-)Bahnen 03 (z.B. zur Herstellung unterschiedlicher Produktformate) ist es von Vorteil die wirksame Länge L07 der Wendestange 07 auf die maximal zur Verarbeitung vorgesehene Bahnbreite zu bemessen, d. h. die Öffnungen 28 (bzw. Mikrobohrungen) über eine Länge L07 der Wendestange 07 vorzusehen, welche in Projektion auf die Breite der einlaufenden Bahn 03 mindestens der maximalen Bahnbreite entspricht. Diese maximale Bahnbreite kann z. B. der Breite mindestens zweier, z. B. vier, sechs oder gar acht Zeitungsseiten in einem bestimmten Druckformat (z.B. Broadsheetformat) entsprechen. Wird eine schmalere Bahn 03 - z. B. mit einer Breite für die selbe Anzahl von Seiten eines kleineren Druckformates oder/und einer Breite für eine geringere Anzahl von Druckseiten - eingezogen und durch die Wendestange 07 umgelenkt, so müssen nichtumschlungene Randbereiche der Wendestange 07 nicht wie sonst üblich abgedeckt werden, da die spezielle Struktur der Luftaustrittsöffnungen 23 als Mikroöffnungen 23 (offene Poren oder Mikrobohrungen 23) lediglich zu geringen Verlustströmen und/oder zu geringem Druckverlust führt. In einer Betriebssituation zur Verarbeitung einer gegenüber der maximal möglichen Breite schmaleren (voll-) Bahn 03, ist die Wendestange 07 dann zwar auf ihrer gesamten Mikroöffnungen 23 aufweisenden Länge L07 mit Druckluft beblasen und es tritt auf der gesamten Mikroöffnungen 23 aufweisenden Länge L07 Luft aus den Mikroöffnungen 23, jedoch liegt in den nichtbedeckten Randbereichen lediglich ein geringfügiger Verluststrom durch die nicht bedeckten Mikroöffnungen 23 vor.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
Die mikroporöse Schicht 29 ist beispielsweise aus porösem Material, vorteilhaft aus einem Sintermaterial, insbesondere einem Sintermetall, gebildet. Das poröse Material weist hierbei vorteilhafter Weise Poren mit einer mittleren Porengröße von 5 - 50 µm, insbesondere 10 - 30 □m auf. Ein Öffnungsgrad auf der nach außen gerichteten Oberfläche des porösen Materials liegt zwischen 3 % und 30 %, bevorzugt zwischen 10 % und 25 %.The
Die Wendestange 07 kann in einer nicht dargelegten Variante zur Ausführung mit Mikroöffnungen 23 auch eine andere, für die Bahn besonders gleitfähige spezielle Oberflächenbeschichtung aufweisen. Ein Beispiel wäre hier eine Oberflächenbeschichtung eines z. B. 1,5 bis 4 mm, insbesondere 2 bis 3 mm starken Materials (z. B. mit kreis- oder teilkreisförmigen Profil), z. B. eines Aluminiumprofils, mit einer Glasperlen-Struktur. Zusätzlich kann auf dieser Struktur eine die Verschleißfestigkeit erhöhende Beschichtung aufgebracht sein. In einer Weiterbildung ist es möglich, im Bereich kurz vor oder direkt im Auflaufzwickel der Bahn auf die Wendestange 07 eine Blaseinrichtung vorzusehen, mittels welcher Luft unter die Bahn geblasen werden kann, welche durch die Bahn mitgerissen wird und die Ausbildung eines Luftpolsters zwischen Wendestangenoberfläche und Bahn unterstützt.The turning
In einer vorteilhaften Weiterbildung ist auf dem Bahnweg vom Rollenwechsler 06 bis zum Einlaufen in die Druckeinheit 01 eine Transportvorrichtung 31 für ein nichtmanuelles, z. B. motorisches Einziehen eines Bahnanfanges vorgesehen. Vorzugsweise erstreckt sich diese Transportvorrichtung 31 zumindest auch auf dem Bahnweg bis hinter die Druckeinheit 01. Diese Transportvorrichtung 31 kann in Verbindung mit der Wendestange 07 prinzipiell unabhängig von der speziellen Ausbildung mit Mikroöffnungen 23 sein. Von besonderem Vorteil ist die Weiterbildung jedoch in Kombination mit der Ausbildung von Mikroöffnungen 23.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 extends at least also on the web path to behind the
In einer perspektivisch in
Um die helix- oder spiralförmige Bahn der Einziehkette 33 in der Führung 32 zu ermöglichen ist diese vorzugsweise derart ausgebildet, dass sie in zwei zu ihrer Transportrichtung senkrecht stehenden Raumrichtungen zumindest um einen Krümmungsradius von höchstens 1.000 mm krümmbar ist. Eine vorteilhafte Ausführung der in der Führung 32 geführten Kette 33 ist in
Die Transportvorrichtung 31 kann in einer in
Auf dem Weg zwischen Rollenwechsler 06 und Druckeinheit 01 erfolgt ein Einziehen von ganzen Bahnen 03, welche z. B. eine Breite von mindestens zwei, z. B. vier, sechs oder gar acht, Zeitungsseiten eines Broadsheetformates aufweisen.On the way between
Zum Einziehen einer Bahn 03 wird deren Bahnanfang, ein z. B. dreieckförmiger Bahnanfang 39; 41, an das Band 37 oder ein in
- 0101
- bahnbe- und/oder -verarbeitendes Aggregat, Druckeinheitweb-processing and / or processing unit, printing unit
- 0202
- Druckwerkprinting unit
- 0303
- Materialbahn, Papierbahn, BahnMaterial web, paper web, web
- 0404
- rotierendes Bearbeitungswerkzeug, Druckwerkszylinder, Übertragungszylinderrotating machining tool, printing cylinder, transfer cylinder
- 0505
- Formzylinderform cylinder
- 0606
- Rollenträger, RollenwechslerRoller carrier, reel changer
- 0707
- Umlenkstange, WendestangeTurning bar, turning bar
- 0808
- Rolle, Materialrolle, PapierrolleRoll, roll of material, paper roll
- 0909
- Seitengestellside frame
- 1010
- --
- 1111
- Seitengestellside frame
- 1212
- Trichteraufbauformer assembly
- 1313
- Umlenkwalzedeflecting
- 1414
- Einzugwerkinfeed
- 1515
- --
- 1616
- Zugwalzepulling roller
- 1717
- Bedienplattformoperating platform
- 1818
- Umlenkwalzedeflecting
- 1919
- Falztrichterformers
- 2020
- Falzapparatfolding
- 2121
- Wendestangeturning bar
- 2222
- RollenbeschickungseinrichtungRoll feeder
- 2323
- Austrittsöffnung, Luftaustrittsöffnung, MikroöffnungOutlet opening, air outlet opening, micro opening
- 2424
- Grundkörperbody
- 2525
- --
- 2626
- Innenrauminner space
- 2727
- Mikrobohrungmicrobore
- 2828
- Öffnungopening
- 2929
- mikroporöse Schichtmicroporous layer
- 3030
- --
- 3131
- Transportvorrichtungtransport device
- 3232
- Führung, KettenführungGuide, chain guide
- 3333
- Kette, EinziehketteChain, retractable chain
- 3434
- Bolzenbolt
- 3535
- --
- 3636
- Haltemittelholding means
- 3737
- Band, EinziehbandRibbon, drawstring
- 3838
- Bandrolletape roll
- 3939
- Bahnanfang, EinziehspitzeWeb start, Einziehspitze
- 4040
- --
- 4141
- Bahnanfang, EinziehtuchBahnanfang, Einziehuch
- 4242
- Umlenkwalzedeflecting
- a01a01
- Abstanddistance
- Ee
- Ebene, vertikalLevel, vertical
- LL
- Längsachselongitudinal axis
- MM
- MaschinenmittelebeneMachine center plane
- L07L07
- Länge, wirksamLength, effective
- R04R04
- Rotationsachseaxis of rotation
- R08R08
- Rotationsachseaxis of rotation
- R33R33
- Krümmungsradiusradius of curvature
- T1T1
- Transportrichtungtransport direction
- T2T2
- Transportrichtungtransport direction
Claims (22)
- Apparatus for feeding a material web (03) to a printing unit (01) of a rotary printing press having a reel carrier (06) carrying a material reel (08), which carrier is arranged laterally next to the machine alignment, and having at least one turning bar (07) arranged between roller carrier (06) and printing unit (01) in the web path, which turning bar is inclined around 45° to the transport direction (T1) of the material web (03) running on it, characterized in that the turning bar (07) has outlet openings (23) designed as micro-openings (23), the average diameter of which is at most 500 µm, for the passage of a fluid under pressure at least in one angle of deflection region of the material web (03), and in that the turning bar (07) in the case of moved material web (03) has micro-openings (23) flowed through and blown on by fluid over a length (L07), which is greater than the width of the region covered by the entwining material web (03).
- Device according to Claim 1, characterized in that the printing unit (01) has a rotating processing tool (04) cooperating with the material web (03), the turning bar (07) arranged on the web path between roller carrier (06) and printing unit (01) being arranged at a height of the machine above the height of the processing tool (04).
- Device according to Claim 2, characterized in that the turning bar (07) has outlet openings (23), the average diameter of which is at most 500 µm, designed as micro-openings (23) for the passage of a fluid under pressure at least in a turning angle region of the material web (03).
- Device according to Claim 1 or 2, characterized in that at least on one part of the web path between the reel carrier (06) and the printing unit (01) a transport apparatus (31) guiding the web beginning (39; 41) around the turning bar (07) is provided for a non-manual, in particular motorized, drawing in of a web beginning (39; 41).
- Device according to Claim 1 or 3, characterized in that the turning bar (07) is deflected during production from a narrower material web (03) compared to a web width maximally processable in the machine and fluid flows from the micro-openings (23) in non-covered edge regions.
- Device according to Claim 1 or 3, characterized in that the turning bar (07) is blown on its entire effective length during the drawing in and fluid flows from micro-openings (23) on its total effective length.
- Device according to Claim 1, characterized in that the printing unit (01) has a rotating processing tool (04) cooperating with the material web (03).
- Device according to Claim 2 or 7, characterized in that the printing unit (01) and the reel carrier (06) are arranged displaced from one another considered with respect to a direction of an axis of rotation (R04) of the processing tool (04) of the printing unit (01).
- Device according to Claim 2 or 7, characterized in that the axis of rotation (R08) of a material reel (08) of the reel carrier (06) and the axis of rotation (R04) of the processing tool (04) run perpendicular to one another.
- Device according to Claim 1 or 2, characterized in that the turning bar (07) has a length effective for deflection (L07), the projection of which on the width of the material web (03) running in corresponds at least to a web width maximally provided in the machine for processing.
- Device according to Claim 5 or 10, characterized in that the web width maximally provided in the machine for processing corresponds to a width of four or six newspaper pages of a broadsheet format.
- Device according to Claim 1 or 2, characterized by a plurality of printing units (01), at least two of these printing units (01) considered in a direction perpendicular to the axis of rotation (R04) of the respective processing tools (04) being arranged next to one another in a same machine alignment.
- Device according to Claim 12, characterized in that a plurality of reel supports (06) are arranged laterally next to the machine alignment.
- Device according to Claim 13, characterized in that two adjacent reel supports (06) point with their charging side to a common corridor lying between them.
- Device according to Claim 1 or 2, characterized in that two lying turning rods (07) are arranged in a space between two printing units (01).
- Device according to Claim 1 or 3, characterized in that the average diameter is at most 300 µm.
- Device according to Claim 1 or 3, characterized in that the micro-openings (23) are designed as open pores of a porous material.
- Device according to Claim 1 or 3, characterized in that the micro-openings (23) are designed as openings of micro-bores (27).
- Device according to one of Claims 1 or 3 and Claim 10, characterized in that the turning bar (07) has micro-openings (23) on at least one length, the projection of which on the width of the material web (03) running in corresponds to the web width maximally provided in the machine for processing.
- Device according to Claim 19, characterized in that the turning bar (07) on the total effective length having micro-openings (23) blown on with pressurized air is entwined by a web (03), the width of which is smaller than that of the web width maximally provided in the machine for processing.
- Device according to Claim 4, characterized in that a transport apparatus (31) guiding the web beginning leading around the turning bar (07) is provided.
- Method for supplying a material web (03) to a printing unit (01) of a rotary printing press having a reel carrier (06) carrying a material reel (08), which is arranged laterally next to the machine alignment, and having at least one turning bar (07) arranged in the web path between reel carrier (06) and pressure unit (01), which is inclined around 45° to the transport direction (T1) of the material web (03) running on it, characterized in that during production with a narrower material web (03) compared to a web width maximally processable in the machine the turning bar (07) is blown on in the case of moved material web (03) over an effective total length (L07), adapted to the maximal web width, such that fluid emerges under pressure from outlet openings (23) designed as micro-openings (23) on the total effective length (L07).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006013955A DE102006013955B3 (en) | 2006-03-27 | 2006-03-27 | Means for feeding a web of material to a printing unit |
PCT/EP2007/052794 WO2007110386A2 (en) | 2006-03-27 | 2007-03-23 | Devices and methods for feeding a material web to a press unit of a web-fed rotary press |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1999051A2 EP1999051A2 (en) | 2008-12-10 |
EP1999051B1 true EP1999051B1 (en) | 2013-11-06 |
Family
ID=38541458
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07727268.0A Not-in-force EP1999051B1 (en) | 2006-03-27 | 2007-03-23 | Devices and methods for feeding a material web to a press unit of a web-fed rotary press |
Country Status (5)
Country | Link |
---|---|
US (1) | US7975608B2 (en) |
EP (1) | EP1999051B1 (en) |
CN (1) | CN101443252B (en) |
DE (1) | DE102006013955B3 (en) |
WO (1) | WO2007110386A2 (en) |
Families Citing this family (9)
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DE102010001014A1 (en) * | 2010-01-19 | 2011-09-08 | Koenig & Bauer Aktiengesellschaft | Reel changer with protection of a security area |
DE102012013002A1 (en) * | 2011-11-12 | 2013-05-16 | Manroland Web Systems Gmbh | Roller printing machine e.g. newspaper printing machine with print tower has reversal unit positioned laterally beside second printing unit of printing tower, so that second printing unit and reversal unit are operable by gallery plane |
US20130153618A1 (en) * | 2011-12-15 | 2013-06-20 | Randy E. Armbruster | Method for transporting print media |
CN103448353B (en) * | 2013-08-27 | 2015-10-07 | 深圳报业集团印务有限公司 | LoranC system 75 can print width report remodeling method and can print width report double width rotary press |
CN103481641B (en) * | 2013-08-27 | 2015-09-23 | 深圳报业集团印务有限公司 | Gauss N90 can print width report remodeling method and can print width report double width rotary press |
US20160052253A1 (en) * | 2014-08-22 | 2016-02-25 | Phillip DiGenova | Flexible pressline utilizing modular print zones |
DE102014222167A1 (en) | 2014-10-30 | 2016-05-04 | Krones Aktiengesellschaft | Method and device for uninterrupted handling of flat and / or foil material wound up on rolls |
DE102014222168B4 (en) | 2014-10-30 | 2023-05-11 | Krones Aktiengesellschaft | Process and device for handling flat and/or film material wound on rolls |
CN112775648B (en) * | 2020-12-29 | 2022-05-06 | 福建恒安集团有限公司 | Toilet paper machine pulls out axle with putting pedestal and pulls out a ware |
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DE2026355B1 (en) | 1970-05-29 | 1971-11-18 | Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach | Turning bar for diverting paper webs |
JPH07108741B2 (en) * | 1989-04-04 | 1995-11-22 | 株式会社東京機械製作所 | Paper threading device for rotary press |
IT1240346B (en) | 1990-03-28 | 1993-12-07 | Officine Meccaniche Giovanni Cerutti | DEVICE FOR AUTOMATICALLY INTRODUCING PAPER STRIPS IN A DIAGONAL UNIT |
AU7877491A (en) * | 1990-05-11 | 1991-12-10 | Rudolph J. Liedtke | Air bearing for web material |
JPH08451B2 (en) * | 1992-07-22 | 1996-01-10 | 株式会社東京機械製作所 | Rotary press and paper feeding unit of the rotary press |
JP2801519B2 (en) * | 1993-04-08 | 1998-09-21 | ゴス グラフイック システムズ インコーポレイテッド | Adjustable angle bar assembly for printing press |
DE4335473C2 (en) * | 1993-10-18 | 2001-07-12 | Oce Printing Systems Gmbh | Turning device for a tape-shaped recording medium |
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DE19841171A1 (en) * | 1998-09-09 | 2000-05-25 | Koenig & Bauer Ag | Turning bar arrangement |
DE19858602B4 (en) * | 1998-12-18 | 2004-03-18 | Man Roland Druckmaschinen Ag | Turning bar arrangement |
JP3058880B1 (en) * | 1999-11-09 | 2000-07-04 | 株式会社東京機械製作所 | Turner device |
US6364247B1 (en) * | 2000-01-31 | 2002-04-02 | David T. Polkinghorne | Pneumatic flotation device for continuous web processing and method of making the pneumatic flotation device |
EP1265803B1 (en) * | 2000-03-22 | 2006-04-05 | Koenig & Bauer Aktiengesellschaft | Angle bar assembly and method for deviating a material web |
EP1138482B1 (en) * | 2000-03-30 | 2003-11-12 | Heidelberger Druckmaschinen Aktiengesellschaft | Web infeed device with decentralised link-up stations |
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DE10112416C1 (en) * | 2001-03-15 | 2002-10-02 | Koenig & Bauer Ag | turning bar |
US6705220B2 (en) * | 2001-06-22 | 2004-03-16 | Heidelberger Druckmaschinen Ag | Device for guiding a travelling web |
JP3944834B2 (en) * | 2002-03-08 | 2007-07-18 | 株式会社ミヤコシ | Printing device |
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US6796524B2 (en) * | 2002-11-14 | 2004-09-28 | Heidelberger Druckmaschinen Ag | Reversible angle bar for a web printing press |
DE10307992B4 (en) * | 2003-02-25 | 2005-08-25 | Maschinenfabrik Wifag | Device for deflecting a web and a method for setting up this device |
JP3695659B2 (en) * | 2003-04-17 | 2005-09-14 | 株式会社東京機械製作所 | Rotary press having a printing unit in which printing means are stacked |
DE102004018401A1 (en) | 2004-04-16 | 2005-11-03 | Koenig & Bauer Ag | Method for presetting of printing press entails using drive which is in signal communication with presetting system for movement of turning bar at right angles to inlet direction of paper web |
DE10348611B3 (en) | 2003-10-20 | 2005-04-28 | Koenig & Bauer Ag | Guidance element for printer unit for use with imprinter function has micro-openings for emanation of fluid under pressure as outward facing openings of micro-bores in body outwardly bounding guidance element and also bounding hollow volume |
DE102004033923A1 (en) * | 2004-05-04 | 2005-12-01 | Koenig & Bauer Ag | Web-fed rotary press for printing has longitudinal cutting device to cut web into three partial webs |
DE102004032647A1 (en) | 2004-07-06 | 2006-02-16 | Voith Paper Patent Gmbh | Deflection device for non-contact deflection of a fibrous web |
-
2006
- 2006-03-27 DE DE102006013955A patent/DE102006013955B3/en not_active Expired - Fee Related
-
2007
- 2007-03-23 US US12/225,300 patent/US7975608B2/en not_active Expired - Fee Related
- 2007-03-23 CN CN2007800109322A patent/CN101443252B/en not_active Expired - Fee Related
- 2007-03-23 EP EP07727268.0A patent/EP1999051B1/en not_active Not-in-force
- 2007-03-23 WO PCT/EP2007/052794 patent/WO2007110386A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2007110386A3 (en) | 2008-07-17 |
US20100224088A1 (en) | 2010-09-09 |
US7975608B2 (en) | 2011-07-12 |
CN101443252A (en) | 2009-05-27 |
DE102006013955B3 (en) | 2007-10-31 |
EP1999051A2 (en) | 2008-12-10 |
WO2007110386A2 (en) | 2007-10-04 |
CN101443252B (en) | 2011-06-01 |
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