Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H23/00—Registering, tensioning, smoothing or guiding webs
  • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41F—PRINTING MACHINES OR PRESSES
  • B41F13/00—Common details of rotary presses or machines
  • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
  • B41F13/56—Folding or cutting
• • 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
  • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
  • B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
  • B65H23/1882—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling longitudinal register of web
  • B65H23/1886—Synchronising two or more webs
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H23/00—Registering, tensioning, smoothing or guiding webs
  • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
  • B65H23/32—Arrangements for turning or reversing webs
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2301/00—Handling processes for sheets or webs
  • B65H2301/40—Type of handling process
  • B65H2301/41—Winding, unwinding
  • B65H2301/414—Winding
  • B65H2301/4148—Winding slitting
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2801/00—Application field
  • B65H2801/03—Image reproduction devices
  • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

• the invention relates to devices for guiding a part-width web, guide element for guiding a part-width web and processing machine with these devices according to the preamble of claims 1, 8, 11, 16, 17 and 26.
• the material webs to be produced or processed are often cut lengthways on their way through the machine, and the resulting partial webs are then fed to further processing stages.
• the Teiibahnen are guided over guide rollers of various designs, which z. T. extend over the entire width of the machine.
• Such long guide rollers must then be designed to be strong enough to avoid deflection and accordingly have a large inertia.
• a partial web only touches or wraps around part of the length and has a cross section which is significantly smaller than that of the entire web.
• WO 01/70608 A1 discloses a turning bar arrangement, wherein two turning bars which are essentially part-wide are each slidably arranged on a support transverse to the direction of the incoming partial web.
• a register roller is arranged laterally outside the side frame, the longitudinal axis of which runs essentially parallel to the side frame and which can also be displaced along a rail in a direction transverse to the direction of the incoming partial web.
• DE 3602 894 C2 discloses a guide element designed as a register roller, which can be changed in its position and thus changes the path of the web.
• the invention has for its object to provide devices for guiding a part-width web, guide element for guiding a part-width web and processing machine with these devices.
• the advantages that can be achieved with the invention consist in particular in that simple means ensure that web transport at desired and predeterminable speeds and web tensions is also ensured for partial webs.
• the device minimizes the effects of inertia, which when guiding partial webs over non-driven, over the entire possible web width guiding elements such.
• the arrangement of two guide elements on a common support enables the two guide elements to move together without having to fundamentally realign each other when the production changes.
• the arrangement of two guide elements at least on a common guide saves installation space and enables short paths of the partial webs.
• the device is particularly advantageous in connection with double-wide and in particular triple-width printing machines, since continuous guide elements have a particularly large mass inertia due to the large width (and consequently large cross-section). It is also possible, particularly in the case of the printing presses mentioned, to save the installation space required by register rollers shifted to the outside.
• the register roller which is oriented with its axis of rotation perpendicular to a plane of the side frame or parallel to cylinders of a printing unit, and / or the harp roller assigned to the same partial web, is partially constructed.
• all of the non-driven guide elements assigned to the same and individual partial web between the longitudinal cutting device and a first pulling or funnel inlet roller assigned to the hopper are designed in part or as a divided roller with a plurality of sections which can be rotated independently of one another in the axial direction.
• the production reliability of the printing press is further increased due to the less required units and the investment is further reduced. Keeping the number of Printing units, however, the output of the printing press or each printing unit can be increased by 50%.
• FIG. 1 is a side view of a web-fed rotary printing press
• FIG. 2 shows a folding structure of a web-fed rotary printing press
• FIG. 3 shows a first exemplary embodiment of a superstructure in a perspective view
• FIG. 4 is a top view according to FIG. 3;
• FIG. 6 shows a second exemplary embodiment of a superstructure in a perspective view
• FIG. 7 shows a side view according to FIG. 3
• Fig. 8 shows a third embodiment of a superstructure in a perspective view.
• the web-fed rotary printing press shown by way of example in FIG. 1 has a left and a right section, each with at least two printing towers 01.
• the printing towers 01 have printing units which, for. B. triple width, ie for printing six axially arranged newspaper pages.
• the printing units are in the form of satellite printing units with at least two each common satellite cylinders assigned transfer cylinders and each have a form cylinder which interacts with the transfer cylinder.
• the advantageous design of the printing units as nine-cylinder satellite printing units ensures very good registration or a low fan-out.
• the printing units can also be designed in other ways.
• the transfer cylinder each has a circumference which corresponds to at least two standing newspaper pages arranged one behind the other in the circumferential direction.
• the forme cylinder can also advantageously have a circumference which corresponds to at least two standing newspaper pages arranged one behind the other in the circumferential direction.
• two fold structures 02 are arranged, which, for. B. each arranged on two different levels one above the other.
• the printing press can also have only one common fold structure 02 arranged between the sections, or else only one section and an associated fold structure 02.
• the respective fold structure 02 can also be designed with only one level of formers.
• One or more folders 03 are assigned to each folder structure 02. The web is fed to the printing units from rolls, not shown, in particular using roll changers.
• a superstructure 04 is provided for each section, in which webs are cut on longitudinal cutting devices 06, partial webs are possibly offset and / or tumbled by means of turning devices 07, can be aligned with one another in the longitudinal register by means of register devices (not shown in FIG. 1) and can be guided one above the other ,
• register devices not shown in FIG. 1
• guides 08 are indicated, on which supports, not shown, described below for the lateral movement of turning bars 07 and possibly register device can be arranged.
• the superstructure 04 points in front of one of the folding former arranged one above the other a roller group 09 which defines the hopper inlet of webs, a so-called harp 09 with a plurality of guide elements designed as harp rollers.
• only one harp 09 is arranged, from which tracks can be guided on one and / or the other of the stacking hoppers arranged one above the other. It is only arranged in front of the upper former.
• harp rollers are understood to be the group of rollers which, in the direction of travel of the webs, represent the last idle guide rollers before the hopper inlet. You are i. d.
• the last (unpowered) rollers which are only assigned to a single substrate layer. Thereafter, for example, several webs or partial webs can be brought together to form a strand and, for example, can be guided over the draw roller 13 and / or funnel inlet roller 14 (see FIG. 2).
• the fold structure 02 shown in FIG. 2 for the triple-width printing press has, for. B. three juxtaposed lower former 11 and three overlying and next to each other upper former 12.
• 12 pulling rollers 13 and funnel inlet rollers 14 arranged upstream each have their own drive motors 16, like the folding apparatus 03 and the pull rollers provided in the folding structure 02 (in FIG. 2 only by partially filling the respective pull rollers).
• the above-mentioned fold structure 02 with only one harp 09 for two stacking hoppers arranged one above the other and the elements of the superstructure 04 described in more detail below are also suitable for other printing presses with other cylinder widths and cylinder circumferences, even if the fold structure 02 and superstructure 04 are illustrated using the example of the triple-width printing press are.
• Fig. 3 shows a perspective oblique view of a first embodiment for at least a part of the superstructure 04.
• This z. B. a pull roller 18 with which pressure rollers can work together to avoid slippage. Knives 21 can be adjusted on the outer surface of the pull roller 18 in order to divide the web 17 into partial width webs 22; 23; 24, in particular in partial webs 22; 23; 24 to cut (Fig. 4).
• Partial webs 22; 23; 24 can also be fed to the superstructure 04 without a longitudinal section, in which the printing press or a printing tower or a printing unit already has a part-wide web 22; 23; 24 is supplied.
• This then z. B. a width, which is significantly smaller, for. B. is at least V ⁇ smaller (e.g. in the case of a double-width machine) or at least 1/6 smaller (in the case of a triple-width machine) than a maximum width which can be printed by the printing unit.
• V ⁇ e.g. in the case of a double-width machine
• 1/6 smaller in the case of a triple-width machine
• the partial webs 22; 23; 24 are shown in FIG. 4 for a better illustration narrower and spaced apart.
• the partial web 24 is shown as an example in FIG. 4 as a partial web 24 running straight, the partial web 23 as a partial web 23 turned outward from the center and the partial web 22 only incompletely.
• the partial web 22 could, for example, be guided in a straight line like the partial web 24, or it could be turned into another escape by means of a second turning device 07 such as the partial web 23.
• a second turning device can lie above or below the plane defined by the partial web 23 entering the first turning device 07.
• the register device 26 is structurally at least one as a turning bar 28; 30 executed guide element 28; 30 assigned to the turning device 07, which imposes a change of direction on the partial web 23.
• the register device 26 and at least one of the turning bars 28; 30 are on a common support 25; 27 is arranged, which is arranged in a plane parallel to the plane of the incoming partial web 23 movable on one or more guides 08 transversely to the running direction.
• the parts of the register device 26 and the turning device 07 which cooperate with the partial web 23 are dimensioned in their width transversely to the running direction such that their projection essentially corresponds to the width b23 of the incoming partial web 23.
• the turning device 07 in FIGS. 3 and 4 has a pair of parallel turning bars 28; 30 on which z. B. each on its own carrier 25; 27 are arranged at an angle of approximately 45 ° to the running direction of the incoming partial web 23.
• the turning bars 28; 30 can be provided in the area of their lateral surface with openings for an escaping air flow and / or with a surface that reduces friction. You can on the carrier 25; 27 to be pivotable or mountable about an axis perpendicular to the plane, or about an axis parallel to the running direction of the incoming partial web 23.
• the register device 26 is arranged upstream in front of the turning device 07 or in front of the first rotating turning bar 30, which on a frame 29 has a roller 31 which is stationary with respect to the frame 29, e.g. B: deflection roller 31, and a roller 32 movable relative to the frame 29 parallel to the running direction, e.g. B. register roller 32. If the carrier 27 is moved along the guides 08, the turning device 07 and the register device 26 can at the same time move into another escape, ie into the path of another partial web 22; 24 are brought. Since the turning bar 30 and the register device 26 are firmly connected to the carrier 27, their basic alignment with respect to one another need not be readjusted, nor are two work steps and / or two drives required.
• the two turning bars 28; 30 if they are each on a carrier 25; 27 are arranged, can be moved independently of one another on the respective guides 08. Thus, it can be moved over one or two web widths, depending on the relative position of the turning bars 28; 30. However, it is also possible to use both turning bars 28; 30 on a common carrier 25; 27 to arrange.
• a turning bar 30 is arranged on the carrier 27 common to the register device 26, then this must be the turning bar 30 which rotates first after the register device 26.
• the second turning bar 28 can then optionally be arranged on its own carrier 25.
• This further carrier 25 can optionally be arranged on the same guides 08 and, if appropriate, be driven together with the carrier 27 or separately.
• the outgoing partial webs 22; 23; 24 can either be fed via a wide register roller 33 and wide deflection roller 34 provided for the wide web 17 to a wide harp roller, not shown in FIG. 3 or 4, or, as shown, can be guided directly to a harp roller 36 with sections 37 divided in its longitudinal direction become.
• the number and length L37 of the sections 37 essentially correspond to the number and the width b23 of the possible partial webs 22; 23; 24th
• a triple-wide printing press is in the superstructure 04 whole web 17 two such with register and turning device 26; 07 equipped carrier 27 is provided (as in the exemplary embodiment according to FIGS. 6 and 7, but transferred to FIGS. 3 and 4).
• the carrier 25 can essentially be designed with a width b25, which corresponds approximately to the width b23 of a partial web 23.
• the carrier 25 can also roughly the width b23 of two partial webs 22; 23; 24 and, if necessary, staged for each turning bar 28; 30 on guides 08 to be arranged on vertically offset levels.
• the two turning bars 28; 30 are thus automatically arranged on different levels as desired.
• the version with the width b23 of two partial webs 22; 23; 24 can be advantageous for the standardization of the carrier 27 if it is also to be carried out with turning bars 28 which are orthogonal to one another, as is shown below in FIG. 5.
• the turning bars 28; 30 in a variant of the first exemplary embodiment according to FIG. 5 are orthogonal to one another and enable the partial web 23 to fall.
• the partial web 23 is initially moved around one of the turning bars 28; 30 guided, then guided around a first roller 38, a first line of contact on the lateral surface of the incoming partial web 23 essentially in a common plane with a line of contact on the lateral surface of the turning bar 28; 30 with the outgoing partial web 23.
• the second roller 40 which is subsequently rotated, is arranged such that a last line of contact on its lateral surface with the outgoing partial web 23 lies essentially in a common plane with a first line of contact on the lateral surface of the second turning bar 28.
• the axis of rotation of the rollers 38; 40 run perpendicular to the axis of rotation of the pull roller 18.
• the partial web 23 is guided around the second turning bar 28.
• the partial web 23 is additionally turned into another flight. No turning takes place when the two turning bars 28 intersect in the region of the center line of the incoming partial web 23.
• the partial web 23 is fed, for example, to a wide, continuous harp roller 39.
• the variants described for FIGS. 4 and 5 are mutually interchangeable.
• the partial web width register device 26 is structurally not the turning device 07, but rather a partial web width guide element 41, with its axis of rotation running perpendicular to the running direction of the incoming partial web 23, z. B. a roller 41, in particular z. B. a harp roller 41 assigned.
• the register device 26 with its frame-fixed roller 31 and the movable roller 32 is arranged on a carrier 43 which can be moved along at least one guide 42 transversely to the running direction of the incoming partial web 23.
• the harp roller 41 which has a length L41 which essentially corresponds to the width b23 of the partial web 23, is arranged downstream either on a frame separately connected to the carrier 43 or else on the extended frame 29. If the carrier 43 is now moved transversely to the running direction along the guides 42, the register device 26 and the harp roller 41, which is part of the width of the web, can at the same time move into another alignment, ie. H. in the path of another partial web 22; 24 are brought.
• the harp roller 41 and the register device 26 are fixed to the carrier 43 are connected, there is no need to readjust their basic orientation to one another, nor are two work steps and / or two drives required.
• the partial web-wide harp roller 41 has a considerably lower inertia, since it is shorter and therefore also requires a smaller cross section.
• a turning device 44 is assigned to the carrier 43 having the register device 26 and the harp roller 41.
• This turning device 44 is arranged in an advantageous embodiment similar to the exemplary embodiments according to FIGS. 3 to 5 transversely to the running direction of the incoming partial web 23 on a carrier 47 which can be moved along a guide 46.
• the turning bars 28; 30 can again be aligned in parallel or orthogonally in pairs, as required.
• the superstructure 04 has two such devices vertically offset for a triple-wide web 17.
• One of the three partial webs 22; 23; 24 are guided straight ahead, while for the other two partial webs 23; 24; 22 there is the possibility of turning and then registering.
• the respective second, vertically offset devices have the same reference numerals in FIG. 6 as the first, but are identified by an apostrophe.
• To one of the partial webs 22; 23; 24 to lead into a vertically offset plane has one of the two carriers 47; 47 'to the associated turning device 44; 44 'upstream at least one, advantageously two substantially partial web-wide rollers 48, z. B. deflection rollers 48.
• FIG. 7 shows a possible web run of three partial webs 22; 23; 24, the partial web 23 being turned by means of the turning device 44, fed to the register device 26 and guided onto the harp roller 41.
• the partial web 24 is first displaced vertically via the rollers 48 before it is turned by means of the turning device 44 ', fed to the register device 26' and guided onto the harp roller 41 '.
• the partial web 22 runs, for example, straight over the wide register roller 33 and the wide deflecting roller 34 onto the wide or a section 37 of the divided harp roller 36.
• a further harp roller not shown, can also be provided which the partial web 22 without interaction with the register and the deflection roller 33; 34 is performed directly.
• the arrangement of the deflecting rollers 48 and the vertically offset arrangement of second devices for turning and registering a second partial web 22; 23; 24 from the exemplary embodiment according to FIGS. 6 and 7 can be transferred from the principle to the exemplary embodiment according to FIGS. 3 to 5. Accordingly, in particular in the case of triple-wide webs 17 (or printing units), a second carrier (27 '), not shown, with a turning device (07') and a register device (26 ') transverse to the running direction of the incoming partial web 22; 23; 24 movably arranged on at least one further guide (08 ').
• a register device 51 is not direct and rigid with a carrier 52 for the turning device 07, e.g. B. with a turning bar 28; 30 connected, but is arranged on its own carrier 53. Both carriers 52; 53 are arranged on at least one common guide 54 in a plane parallel to the plane of the incoming partial web 23 so as to be movable transversely to the running direction.
• the parts of the register device 51 and the turning device 07 which interact with the corresponding partial web 23 are dimensioned in their width transversely to the running direction such that their projection essentially corresponds to the width b23 of the incoming partial web 23.
• the possible paths of straight running as well as fallen and possibly turned partial webs 22; 23; 24 is essentially made to the explanations of FIG. 5.
• the fallen web 23 is not, however, passed through the two turning bars 28; 30, but after rotating the first and before rotating the second turning bar 28 of the register device 51.
• the register device 51 has only a single register roller 56, the axis of rotation of which runs essentially perpendicular to the axis of rotation of the pull roller 18.
• the register roller 56 is arranged and dimensioned in cross-section such that the sections of the partial web 23 running between the register roller 56 and a turning bar 28 each form a plane.
• the register device 51 embodied in this way does not require its own guidance and, as a rule, does not extend, or only slightly out of the side of the outside profile of the printing press.
• the travel paths of the turned partial web 23 in comparison to register rollers, which are outside the lateral profile of the printing press, i.e. H. for example, are arranged outside a side frame, significantly reduced.
• the partial web 23 that has fallen and possibly turned over in this way, as well as running straight ahead Partial webs 22; 23; 24 or a second overturned and possibly turned over partial web 22; 23; 24 can, as in the exemplary embodiments according to FIGS. 3 to 5, possibly around wide register and deflection rollers 33; 34 to wide or split harp rollers 39; 36, or also to be continued by part-width harp rollers 41 as shown in FIG. 6. 8 with the two carriers 52; 53, the register 51 and the turning device 07 and the guides 54 can, as stated in the context of the second exemplary embodiment, in particular for triple-wide printing presses, be designed so that the entire web 17 is offset vertically twice.
• the rollers (48) which are then to be arranged on the carrier 52 but are not shown here.
• the guides 08; 42; 46; 54 of the exemplary embodiments mentioned can be implemented in a wide variety of ways.
• each carrier 25; 27; 43; 47; 52; 53 by several identical or different guides 08; 42; 46; 54 be guided.
• the guides 08; 42; 46; 54 as spindles 08; 42; 46; 54 with at least a section thread, which is rotatably mounted on both sides and which a carrier 27; 43; 47; 52; 53 commonly assigned spindles 08; 42; 46; 54 z. B. are rotatably driven by a common drive, not shown.
• the carrier 27; 43; 47; 52; 53 can, however, in the manner of sliding blocks 27; 43; 47; 52; 53 also in rigid guides 08; 42; 46; 54, e.g. B. on profiles 08; 42; 46; 54, be guided.
• a drive of the carrier 27; 43; 47; 52; 53 also take place via a drivable spindle or in another way.
• a web-fed rotary printing press in particular for a superstructure 04, are all with a part-width web 22; 23; 24 interacting, rotating guide elements 41; only driven via friction; 31; 32; 48 partially or as a guide element 36 rotatable in sections. I.e. that depending on the equipment of the machine in front of the former 11; 12 last non-driven roller 36 assigned to a layer; 41, if present, a register roller 32 and possibly one or more deflection rollers 31, 48 are partially or partially rotatable.
• a partial web 22; 23; 24 In the superstructure 04 of a partial web 22; 23; 24 still further guide elements not shown in the figures, in particular in the part-width or sectionally rotatable design, can be assigned.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
• Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
• Rotary Presses (AREA)
• Preliminary Treatment Of Fibers (AREA)
• Machines For Laying And Maintaining Railways (AREA)
• Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

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Related Child Applications (2)

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• 2002
  • 2002-08-02 DE DE10235391A patent/DE10235391A1/de not_active Withdrawn
• 2003
  • 2003-07-26 DE DE50304595T patent/DE50304595D1/de not_active Expired - Lifetime
  • 2003-07-26 AT AT03783924T patent/ATE335695T1/de not_active IP Right Cessation
  • 2003-07-26 US US10/522,985 patent/US7182020B2/en not_active Expired - Fee Related
  • 2003-07-26 EP EP06111085A patent/EP1693325A3/fr not_active Withdrawn
  • 2003-07-26 EP EP06111082A patent/EP1693324B8/fr not_active Expired - Lifetime
  • 2003-07-26 AU AU2003250804A patent/AU2003250804A1/en not_active Abandoned
  • 2003-07-26 WO PCT/DE2003/002526 patent/WO2004014770A1/fr active IP Right Grant
  • 2003-07-26 DE DE50311907T patent/DE50311907D1/de not_active Expired - Lifetime
  • 2003-07-26 AT AT06111082T patent/ATE442329T1/de not_active IP Right Cessation
  • 2003-07-26 DE DE20321326U patent/DE20321326U1/de not_active Expired - Lifetime
  • 2003-07-26 EP EP03783924A patent/EP1525149B1/fr not_active Expired - Lifetime

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