WO2009024579A2 - Dispositifs et procédé de contrôle et/ou de régulation d'une marche de faisceau dans un système de cônes d'une presse rotative à imprimer - Google Patents

Dispositifs et procédé de contrôle et/ou de régulation d'une marche de faisceau dans un système de cônes d'une presse rotative à imprimer Download PDF

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Publication number
WO2009024579A2
WO2009024579A2 PCT/EP2008/060866 EP2008060866W WO2009024579A2 WO 2009024579 A2 WO2009024579 A2 WO 2009024579A2 EP 2008060866 W EP2008060866 W EP 2008060866W WO 2009024579 A2 WO2009024579 A2 WO 2009024579A2
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WIPO (PCT)
Prior art keywords
strand
former
control
pattern
sub
Prior art date
Application number
PCT/EP2008/060866
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German (de)
English (en)
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WO2009024579A3 (fr
Inventor
Burkard Otto Herbert
Original Assignee
Koenig & Bauer Aktiengesellschaft
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Application filed by Koenig & Bauer Aktiengesellschaft filed Critical Koenig & Bauer Aktiengesellschaft
Priority to EP08803099A priority Critical patent/EP2190766A2/fr
Publication of WO2009024579A2 publication Critical patent/WO2009024579A2/fr
Publication of WO2009024579A3 publication Critical patent/WO2009024579A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
    • B65H26/025—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs responsive to web breakage
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control
    • 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
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2233/00—Arrangements for the operation of printing presses
    • B41P2233/20—Safety devices preventing damage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/512—Marks, e.g. invisible to the human eye; Patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • 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 and methods for monitoring and / or regulating a strand run in a funnel structure of a web-fed rotary printing press according to the preamble of claim 1 or 12 or 21 or 25.
  • EP 1 074 501 B1 discloses a cutting register control of strands of a plurality of former hoppers, wherein deviations measured on the strand by means of detectors, together with values measured for the individual webs in front of the hopper, are guided on single-web control elements arranged upstream of the hoppers.
  • each not yet merged to the strand sub-orbit is assigned a separate control loop and the two strands to be formed from a former control circuits independent, but common to both strands control loop.
  • DE 103 35 886 A1 discloses methods and devices for controlling cut registers. There, two webs are guided one above the other via a former and as a strand in total, but also as layers to each other with respect to their cut register, d. H. in the longitudinal direction with respect to a section of a cross-cutting device, are regulated. For this purpose, it is possible to determine in the strand path in front of the cross-cutting device the error of the upper and the error of the lower web by means of sensors.
  • EP 1 619 026 A2 discloses a method with a device for triggering an image recording unit, wherein a web break is detected by a current determined position of the printed image beyond a tolerance limit of a stored reference position of an image stored in a memory deviates.
  • DE 42 34 308 C2 discloses a method and a device for setting a cutting register, wherein a phase position directly behind a printing unit and a phase position directly in front of a sheeter are measured by means of detectors and compared with each other.
  • a method and a device for determining the position of a printed paper web are known from EP 1 300 243 B1, reference values for the position determination being generated from data of a prepress stage and compared with measured values.
  • EP 1 619 026 B1 discloses a method for detecting a web break, wherein the position of a currently recorded image triggered is compared with a stored reference position. In the event of an impermissible position deviation, a web break is concluded and, if necessary, knocking off, catching and / or shutting down the machine is effected.
  • the invention has for its object to provide devices and methods for monitoring and / or control of a strand run in a funnel structure of a web-fed rotary printing press.
  • the signals from both sides of a same strand arranged - and in particular lying on a same path section - detectors with regard to possibly present strand running problems, such. Huts, beads and / or bubbles, and / or evaluated the signals of a detector directed at the strand on single-track cracks external layers, and if appropriate appropriate measures are initiated.
  • Fig. 1 is a schematic representation of a first embodiment of a printing machine
  • Fig. 2 is a schematic representation of a second embodiment of a printing machine
  • FIG. 3 shows a first embodiment of a cutting register control in a funnel structure
  • FIG. 4 shows a second embodiment of a cutting register control in a funnel structure
  • 5 shows a schematic representation for the determination of a cutting register error
  • 6 shows a third embodiment of a cutting register control in a funnel structure with a two-sided measurement on the strand
  • FIG. 7 shows a fourth embodiment of a cutting register control in a funnel structure
  • FIG. 9 shows a fifth embodiment of a cut-off register control in a hopper construction with a transfer of a partial string
  • FIG. 10 shows a sixth embodiment of a cutting register control in a funnel structure with a transfer of a partial string and double-sided measurement.
  • Fig. 1 1 shows a seventh embodiment of a cutting register control in a funnel structure with a transfer
  • FIG. 12 shows an eighth embodiment of a cut-off register control in a funnel design with a transfer of a partial line
  • FIG. 13 shows a ninth embodiment of a cut-off register control in a funnel design with transfer of two sub-strands
  • FIG. 14 shows a tenth embodiment of a cut-off register control in a hopper structure with two hopper levels
  • 15 shows an eleventh embodiment of a cut-off register control in a funnel structure with a funnel plane having three funnels
  • 16 shows a twelfth embodiment of a cut-off register control in a funnel structure with a funnel plane having three funnels
  • FIG. 18 shows a further embodiment of a web break monitoring system
  • FIG. 19 shows a schematic illustration of the measuring principle of the web break monitoring
  • FIG. 20 shows a representation according to FIG. 17 with a torn outer layer
  • FIG. 21 shows an embodiment of a web break monitoring device before a hopper inlet
  • Fig. 22 another embodiment of a web break monitoring
  • FIG. 23 shows a further embodiment of a web break monitoring system
  • FIG. 1 and 2 show by way of example in plan view embodiments of a printing machine designed as a web-fed rotary printing machine, in particular a newspaper printing press.
  • the printing press has at least one printing unit 01 with a plurality of, in particular stacked, printing units, in which a web 02 originating from a roll changer 06, for example, is printed on both sides in multiple colors.
  • Forming and transfer cylinder 03; 04 of, in particular as a printing tower with at least eight (eg, both sides four) pressure points running printing unit 01 have an effective bale length, which at least four, z. B. four or six juxtaposed printed images of stationary newspaper pages or at least four juxtaposed printed images of horizontal printed pages, eg magazine pages, correspond in tabloid format.
  • the forme cylinder 04 then has on its lateral surface, for example, one or more printing plates with a total of side by side on four print images of corresponding printed pages in tabloid or newspaper format.
  • the web 02 passes through a so-called.
  • Superstructure 07 in which they are longitudinally cut by a longitudinal cutting device 08 in partial webs, about possibly provided turning devices 09 z. T. laterally offset and brought to another flight, possibly aligned register means 1 1, the partial webs aligned relative to each other in the longitudinal direction, and finally folded in a funnel structure 12 into strands, and these strands then a cross cutter 13, z.
  • B. the cross-cutting device of a folder 14 are supplied.
  • Fig. 1 and 2 schematically two advantageous embodiments for the preparation of the above components are set forth:
  • the funnel assembly 12 is arranged in the machine alignment and in principle after leaving the printing units 01 by "straight run" of the tracks 02 and
  • the turning device 09 or the turning devices 09 is preceded by at least one longitudinal cutting device 08.
  • the longitudinal cutting device 08 or additionally an optional longitudinal cutting device 08 can be used directly in the embodiment of Fig.
  • the hopper assembly 12 is rotated 90 ° with respect to its projected into the horizontal direction of curvature for machine alignment and after leaving the printing units 01 by an angular web over a turning bar a Wendeeinrichtun g 09 reachable.
  • the turning device 09 or the turning devices 09 is preceded by at least one longitudinal cutting device 08.
  • a turning bar is provided with an effective length, which in projection on the incoming web at least the width of a maximum to be printed web, z. B. four or six juxtaposed printed pages in lying tabloid or standing newspaper format (broadsheet) corresponds
  • the said longitudinal cutting device 08 or an additional, optional optional longitudinal cutting device 08 may be arranged directly in front of the hopper inlet, so after turning.
  • the funnel structure 12 has in each of the embodiments at least one funnel group with a plurality, in particular two or three, juxtaposed folding funnels 16; 17; 18 on a same funnel level.
  • the term "at the same level” here means that the funnels of this funnel plane are located in the same machine plane and / or are at least cut by a same horizontal plane in addition to the main cutting line through the aforementioned longitudinal cutter 08 can directly upstream of the formers or Slitting devices 19 are also provided directly after the formers which longitudinally cut the partial webs in the alignment of the fold back with a funnel center section on so-called secondary cutting lines
  • Main cutting lines from the longitudinal cutting device 08 and the auxiliary cutting lines from the longitudinal cutting device 19 can also be structurally combined as a common longitudinal cutting device 08, 19 arranged directly in front of the funnel inlet.
  • the means for cutting or longitudinal register control, the means for monitoring and elimination of strand run errors (huts 15, etc.) and devices for web break monitoring each individually for themselves, or in advantageous developments simultaneously, in particular at least partially using the same Detectors, find application.
  • the embodiments are for the application of the cut register control (but also advantageous for strand monitoring) on the web downstream of the former 16; 17; 18 (16 ';17'; 18 ') several control loops RO; R1; R2; R3; R1 '; R2 ';3a; R 3b; 4a; R 4b; (R5;) R1 1; R22; R33; R55, in particular at least one of the number of formers 16; 17; 18 (16 ', 17', 18 ') of the funnel structure 12 corresponding number of control loops RO; R1; R2; R3; R1 '; R2 ';3a; R 3b; 4a; R 4b; (R5;) R1 1; R22; R33; R55 (in short: R0 ...
  • Fig. 3 and 4 examples are shown which show only means for cutting register control.
  • at least one number of control loops R0... R55 corresponding to the number of hoppers preferably act on one control element S0... S5 which is independent of other control loops R0... R55. This ensures that, on the one hand, the ultimately resulting total strand can be aligned correctly with the knife, and, on the other hand, the strands can be aligned relative to one another without complicated dependencies.
  • the control circuits R0... R55 are preferably designed to be logically independent of register devices 1 1, possibly provided upstream of the funnel structure 12.
  • control circuits R0... R55 which concern the cutting register, are preferably control circuits operating independently of one another in their logic - possibly except for an optional signal connection in the case of an actuator RO on a strand bundle or the total strand, such as, for example. in the embodiment of FIG. 3 or 9.
  • the detector D0... D55 of a strand or partial strand with respect to the strand path is arranged as close as possible to the location of a downstream merging with one or more other strands or partial strands.
  • the detector D0 is ... D55 between the location of the merging, for example a roller 24 or a pair of rollers 24 or a transfer roller 28, and the upstream last upstream guide element, for. B. a deflection roller 20 or a transfer roller 29.
  • the detector D0 ... D55 may be arranged in the case of transferred sub-strands downstream of the point of merging on the associated sub-strand associated side (eg, Fig. 1 1, 12). In an advantageous embodiment, all measured values for the strands, z.
  • the strands or partial strands mentioned in the examples of FIGS. 3 to 20 are preferably multilayer strands or partial strands which contain a plurality of layers of webs or part webs guided over one another, in particular via a former, or at least the two layers of a longitudinally folded web or part web ,
  • Figs. 3, 4, 6, 7 and 9 to 13 show embodiments with a two former 16; 17 having funnel plane, wherein on the funnel structure 12 accumulating tracks 02 upstream in partial webs cut longitudinally, and via the formers 16; 17 led to strands 21; 22 folded or - in the case of a funnel center section - are laid on top of each other as a one-side partial web strip.
  • Fig. 3 are downstream of the former 16; 17 now two control loops RO and R1 provided for cutting register control, in this first embodiment one of the single strands 21; 22 a detector D1 and an actuator S1, and in addition the total strand 24, a detector DO and an actuator SO is assigned.
  • the total strand 24 associated actuator SO is in this case preferably designed as a means which changes the relative angular position of the cross cutter 13 with respect to a current, correlating with the position of the forme cylinder 03 desired angular position.
  • This may be a corresponding gear or an axially relatively movable helical gear on the drive train, or - especially in the case of one of the printing unit 01 mechanically independent drive - a correction value in a control means which counteracts the cross cutter with a determined on the total strand 24 cut register error.
  • independent drive via an electronic, z. B. virtual, leading axis, the setpoint formed from the rotating angular position setpoint of the leading axis, a corresponding, the cut register deviation corresponding correction in the relative angular position can be switched. The one of the two strands 21, which are ultimately to be recombined.
  • 22 associated actuator S1 is as a the path length between Funnel tip of the respective former 16; 17 (18) and the location of merging the strands 21; 22, z. B. a roller 24 or advantageously a roller pair 24, in particular a positively driven train 24 or two positively driven rollers 24, influencing actuator S1 formed. In the present case, this acts on a - for example on a lever pivotally mounted about a pivot axis parallel to the axis of rotation - roller 20, eg register roller 20.
  • the roller 20 is preferably forcibly driven rotationally, ie it is mechanically z. B. coupled to a drive motor. However, it can also be moved in another way by an actuator S1 guide element 20, for. B.
  • the actuator S1 represents a drive mechanism, not shown, via an associated control according to a signal resulting from the control loop R1. This is advantageously also representative of the following actuator S2; S 3; s3b; S4a; S 4 b; Apply S5. As shown in FIG.
  • a control loop R1 is associated with only one, directed to one of the two side surfaces or outer layers detector D1, this is advantageously directed to that side or outer layer, which with the surface of the directly upstream (partially) looped roller 20; 24 is in touching contact - also called “inner side” in the following, which is also to be transferred to other examples.
  • each of one of the former 16 is now in the process of being displaced. 17 (18) -derived strands 21; 22 (23) a control loop R1; R2 (R5) with detector D1; D2 and actuators S1; S2, in particular register rollers S1; S2, assigned.
  • a control loop R1; R2 R5 with detector D1; D2 and actuators S1; S2, in particular register rollers S1; S2, assigned.
  • FIG. 5 diagrammatically shows a desired-actual comparison of detector signals with respect to a cut-off register control, wherein a) represents by way of example a snapshot of a setpoint signal waveform (periodically recurring reference pattern M r generated by the printing).
  • the phase position of this desired value curve relative to the reference is maintained in a memory, for example, after a status determined by the printer as "good.”
  • the actual phase position is then compared in an evaluation device continuously or clocked with the phase position of the desired value curve. History shows, for example, a deviating from the desired condition to ⁇ process value, ie, a current pattern M a a correction by the to be driven actuator S1;.
  • S2 ... is now carried out in such a way that the two waveforms are (again brought into the same phase with each other or are.
  • Fig. 6 shows an embodiment, wherein the two strands 21; 22 is a respective control loop R1, R2, and in addition to the total strand assigned a separate control loop RO.
  • this embodiment can be corrected by the control loop RO in faulty position of the total strand 24; There are unnecessary and / or unnecessarily large travel paths in the strands or the associated control loops R1; R2 avoided.
  • control circuits R1; R2 for the longitudinal or cut register are these or a part of these, as shown in Fig. 7 by way of example for control circuit R1 and R2 (indicated as R1 1 and R22), with two detectors D1; D1 1; D2; D22, ie in each case with a detector D1; D1 1; D2; D22 per outer layer or strand side of the respective strand 21; 22 formed. There is a monitoring of the two outer layers of the respective strand 21; 22.
  • the two outer sides of one of a former 16; 17 derived strand 21; 22 come from here - as long as they are not divided after the funnel or are combined with sub-strands originating from other funnels (see below) - of a same, in particular the highest, on the corresponding former 16; 17 guided web or sub-web 02. With the two-sided monitoring can be achieved higher accuracy in the determination of the cutting register error.
  • the evaluation 27 is z. B. by averaging over the two strand sides or by means of another mathematical method (eg weighted averages), the actual phase position of the strand having a certain thickness 21; 22 monitored as described above with respect to the desired phase position and from the result, if necessary, a corresponding actuating signal to the actuator S1; S2 given.
  • the same occurs on both sides, alone or in conjunction with the cut register control and / or a layer breakage monitoring Strand monitoring detector assembly monitoring the strand 21; 22 on smelting or blistering and counteracting. Both sides are checked for agreement with the pattern specified for the correct position and possibly existing deviations .DELTA.l; ⁇ 2 determined by the respective desired position (FIG. 8). If the two sides deviate to a different extent from the specification or deviates only one side, ie if the relative phase position is shifted, a difference ⁇ a results in the deviation. From a certain height in this difference ⁇ a, a reaction is triggered.
  • a warning can be displayed, or preferably a manipulated variable - for example, the speed or lead of a respective strand 21; 22 transporting roller 20; 24 - can be changed.
  • a common part of the shifts in the phase angles of the two sides is then z. B. as a cutting register error on the corresponding control loop R1 ..R55 (if present) by means of the relevant actuator S1; S2, etc.
  • the monitoring and control of the strand promotion is thus based on the system that a strand is observed and evaluated with respect to a relative positional deviation (difference in the deviations) between its two sides. If there is a deviation, it is possible to conclude a bubble or hut 15 in the upstream strand path.
  • Such huts are preferably formed directly upstream of a partially wrapped by the strand roller 20; 24, wherein the hut 15 usually in front of the roller 20; 24 on this roller 20; 24 facing side of the strand, ie at the with respect to the looped roller 20; 24 inner layer, forming.
  • looping or partial looping means, for example, a contact of the strand on the roll 20; 24 on an angular range of z. B. at least 15 °, in particular at least 25 ° of the calf circumference.
  • the other, on the of the roller 20; 24 directed strand side detector may be on the same strand section downstream of the roll 20 to be controlled; 24 or on the strand section in front of the roller 20; 24 may be arranged.
  • This is shown schematically in Fig. 5 with respect to the roller 20 with the detector D2 and the dashed lines indicated detector upstream of the roller 20.
  • detector DO downstream of the roller 24 in combination with signals from the detector D22 formed before the roller 24 hut 15 (bubble) can be detected, and reduced or eliminated by regulating the drive of the roller 24.
  • the two detectors D22 and D2 or DO and D22 in pairs part of a control loop RA1; RA2; RAO and signal technology connected to an evaluation and / or control unit 25, through which the signals of the detectors D22 and D2 or DO and D22 in z. B. og way evaluated become.
  • the evaluation and / or control unit 25 in turn acts on a rotary drive AO; A1; A2 or to a drive control of the rotary drive AO; A1; A2 of the looped roller 20; 24.
  • the evaluation and / or control unit 25 may be formed in one or more parts and contains an electronic circuit and / or computing means which a comparison of the two signals directed to the two sides of the strand detectors D22 and D2 or DO and D22 to each other and / or each to a target phase position, and based on the comparison, a setting command (eg, a value for increasing a target speed to a drive control or a value for setting a transmission) to an actuator of the roller 20; 24 issues.
  • a setting command eg, a value for increasing a target speed to a drive control or a value for setting a transmission
  • control loops RA0 to RA5 are shown for controlling and controlling the strand feed in addition to the control loops RO... R55 relating to the cut register.
  • these control loops RAO to RA5 can be provided for monitoring and control of the strand production alone.
  • the control circuit RAO shown in FIG. 6 merely by way of example with respect to a strand 21 can also be provided on the other side with an additional corresponding detector for the strand 22.
  • the rollers 24 regulating control loops DO can also be provided for the other examples.
  • both control loops RAO to RA5 are provided for monitoring and controlling the strand feed and control loops R0 ... R55 are for cutting register control
  • at least a portion of the detectors can be assigned to both types of control circuits - or the signals coming from these detectors are evaluated both in a control circuit RAO to RA5 for monitoring and controlling the strand conveying and in a control loop R0 ... R55 for cutting register control and further processed.
  • this is with transfer devices 28; 29, z. B. rollers 28; 29 formed for strand splitting and / or strand mixture.
  • the rollers 28; 29 are, like the o.g. Rollers 20; 24, preferably as rotationally driven by a drive rollers 28; 29 trained.
  • variable "book design” ie an increased variability in number of layers and / or order and / or assignment without additional turning to achieve.
  • a variable "book design” ie an increased variability in number of layers and / or order and / or assignment without additional turning to achieve.
  • a variable "book design” ie an increased variability in number of layers and / or order and / or assignment without additional turning to achieve.
  • a partial strand 21 .1; 22.1 coming from a former 16; 17 (18) can be guided together with the strand 22; 21 or sub-strand 22.2; 21 .1 coming from the other former 17; 16 (18).
  • FIGS. 9 to 13 show exemplary embodiments of the possibility of strand splitting and / or strand mixing.
  • the transferred strand 21 .2 represented in the example can, as indicated by the parenthesized expression (21), also be a completely transferred strand 21 (22) in alternative operation.
  • the formers 16 17 at least two transfer devices 28; 29, z. B. rollers 28; 29, provided via the one a roller 29 umschlingender sub-strand 21 .1 separated from the remaining sub-strand 21 .2, and deflected over the other roller 28 again and with a strand 22 or sub-strand of the other former 17; 16 is merged.
  • this decoupled sub-string 21.1 is a loop R3 or R33 ("one-sided” or “two-sided”, see above) with one or two Detectors D3; D33 and an actuator S3a; S3b and / or a control circuit RA3 with two, possibly the same detectors D3; D33 and an actuator A3 (drive A3) provided.
  • the actuator S3a; S3b act on the above-mentioned type as a movable register roller formed transfer roller 29.
  • FIG. 11 shows a variant of the embodiment according to FIGS. 9 and 10, wherein the control circuit R3; R33 of the decoupled sub-string 21.1 on the transfer path no detector is assigned, but only after merging of this sub-strand 21.1 that side of the resulting strand 22.3 is detected, which is formed by the sub-strand 21 .1.
  • the detector D1 of a formerly two-sided control loop R1 1 are used.
  • the signal of the internal detector D1 of a two-sided control loop R1 1 both the control circuit of the decoupled sub-string 21 .1, and the two-sided control circuit R1 1 of the strand 22 are supplied.
  • the state of FIG. 11 is an example of the extraction of a partial strand 22.1 from the strand 22 of the other former 17; 16 set out.
  • the examples of FIGS. 9 and 10 are to be transferred in the same way to the opposite case.
  • the control circuits RA1 and RA2 the one mentioned with reference to FIG. 7 applies.
  • Fig. 13 shows a further embodiment with a transfer device 28; 29, in each case via rollers 29 a sub-strand 21.1; 22.1 decoupled, and are summarized by rollers 28, the two sub-strands to a strand 32 or are.
  • the remaining (residual) strands 21.3 and 22.3 are z.
  • Respective control circuits R4a and R4b, each having one actuator S4a and S4b and at least one detector D4a and D4b, are associated with the two decoupled subsections 21 .2 and 22.1. In the event that the actuators act on the transfer devices 29 as in Fig. 9, the detectors are arranged on the transfer paths.
  • the actuators S4a and S4b act on the transfer devices 28, so that the detectors D4a and D4b are arranged on both sides of the resulting strand 32.
  • it can advantageously again be a stapling device on each of the paths of the three strands 21 .3; 22.3 and 32, or only in the way of the middle strand 32, or in addition to middle at one of the other two strands 21.3; 22.3, or only at the two (residual) strands 21.3; 22.3 be provided.
  • the control circuits RA1 and RA2 the one mentioned with reference to FIG. 7 applies.
  • Fig. 14 is an embodiment of the funnel structure 12 with two each more, here two formers 16, 17, 16 '; 17 'side by side, in the vertical direction staggered funnel planes represented. That to the strands 21 and 22 and the different embodiments for the design and arrangement of control loops RO; R1; R2; R1 1; R22 for the cut register and / or control circuits RA1; RA2 for the "normal operation" without mixing or splitting is to be applied individually to the strand guides of the strands 21, 22 and 21 ', 22' of the two funnel planes of a funnel plane from the preceding embodiments.
  • detectors Dx 'and Dy' can in the case of strand division of an upper strand 21 '; 22 'also for the corresponding control circuit R3a'; R3b '; R4a '; R4b 'be used.
  • the control loop RO indicated by dashed lines may optionally be provided additionally or instead of one of the string-related control loops (see corresponding to Fig. 3). 4, 6 and 7).
  • Fig. 15 is the embodiments with two juxtaposed formers 16; 17 or 16 '; 17 'exemplified on a funnel group with three juxtaposed formers 16; 17; 18 based on two-sided control loops (RO) R1 1; R22; R55 and control circuits RA1; RA2; RA ⁇ darhog.
  • RO control loops
  • the variant not shown here with respect to unilateral control loops and / or the embodiment with means for strand division or strand splitting and / or the arrangement of one or more staplers and / or the arrangement of two funnel planes with then three formers is correspondingly applied according to the above embodiments.
  • Fig. 16 shows in a further variant of an embodiment with three juxtaposed formers 16; 17; 18, but in addition to the roller 24 and the roller pair 24, a further (in particular by means of drive positively driven) roller 33 or a pair of rollers 33 is provided, on which or on which two of the three strands 21; 22; 23 can be summarized before they are combined downstream with the third strand 22.
  • the two rollers 33, as well as the two rollers 24 in the preceding examples, preferably not anenander over the strands such that they clamp them.
  • a stapler 31 may be provided in the strand path between merging the two strands 21; 23, .
  • a stapling apparatus can be arranged on the strand path of the third strand 22.
  • the cross cutter 13 is a part of the hopper assembly 12 downstream folding apparatus 14 and is formed by a cooperating with a knife cylinder 37 transport cylinder 38, which in turn cooperates with a jaw cylinder 39 to form a transverse fold.
  • the cross cutter can also be formed in other ways, and be formed with or without downstream folding.
  • control circuits mentioned above and below are preferably based on the following procedure:
  • the desired phase position which can be determined, for example, by geometric evaluation or empirically (eg when the machine is put into operation or during a test run of a production), is characterized by the fact that, in the case of this specific desired phase position, between the considered feature (or a pattern) and a cyclic cycle of the Querscheid responded the cut downstream at the desired location on the web or strand takes place.
  • the actuators In stationary operation and / or without the different influences during the printing process on the substrate paper or the different properties of different paper types, it would thus be sufficient for a specific production with certain strand guides the actuators only adjust accordingly without this would be a rule would be required.
  • the control circuits for the cutting register and / or for monitoring the strand run are provided.
  • the detectors viewing the strands are arranged as far downstream as possible in the strand path, ie as close as possible to the knife of the cross cutter.
  • control circuits R0 ... R55; RA1 .... RA5 are preferably based on optical Measuring methods, ie the detectors D0... D55 are preferably designed as optical detection devices, which are directed onto the respective strand surface and detect the light reflected therefrom.
  • the detector D0 ... D55 has a measuring head, also called a cutting register measuring head, which has a light-sensitive sensor (eg one or more photodiodes).
  • a light-sensitive sensor eg one or more photodiodes.
  • An additional illumination source can be provided.
  • the light-sensitive part of the measuring head is, for example, directed onto the surface of the strand via suitable optics-punctiform or a region of small diameter-and thus scans a more or less wide strip on the strand moving past it.
  • the assigned evaluation can z. B. continuously record the caused by the print image bright-dark pattern, which is then compared with the pattern of the target phase position.
  • phase position (or a "snapshot" for the phase position) of a periodically recurring pattern applied to this measurement (eg a mark) or a light-dark pattern from the periodically recurring printed image - or certain features of this pattern - is then included the target phase position of the pattern or the corresponding feature of the pattern compared, and counteracted in deviation from the desired relative phase position of this deviation as described above by the relevant control circuit with the actuator.
  • the possibility of a spatial resolution can also be advantageous in terms of the clock of the cross cutter triggered snapshot, which is compared in the evaluation of the controller with the pattern of the setpoint phase position.
  • the sensor areas are then formed, for example, photodiodes.
  • the detector D0 ... D55 this is as an image sensor, z. B. as a CCD chip or as a CMOS chip formed.
  • the detector D0... D55 can have as a sensor a line camera or an area camera.
  • the -. B. formed as an image sensor or at least as a line scan detector D0 ... D55 be designed as a print image at least on a significant scan width detecting sensor.
  • Significant scanning width here means a width which, for example, amounts to at least a quarter of the maximum strand width to be produced in the machine and the funnel structure.
  • the scanning corresponds to at least half of this strand width and covers z. B. from the center of the strand from half the strand width. In this way, the detector D0 ... D55 can be fixedly arranged in a simple design.
  • the pattern to be observed (mark or printed image detail) and / or the desired phase position of this pattern can be advantageously carried out using data, in particular image data from the prepress.
  • the print image section to be considered in the transverse and / or longitudinal direction
  • the distances of the characteristic patterns intended for evaluation are known at the cutting edge and can therefore be used to form the desired phase position and / or for the lateral adjustment of the detector D0... D55.
  • the detector D1, D2 can advantageously also be used for a
  • the latter is adapted to receive a periodically recurring pattern M a (or at least features of this pattern) currently recorded by the detector D1; D2 with a previously recorded M a n and / or stored Pattern M r (or features of this previously recorded pattern) (see also above)
  • the evaluation device 34 has corresponding storage and / or computing means ) abruptly beyond certain tolerances of previously recorded and / or stored pattern (or the considered feature of this previously recorded pattern), so can on a crack of the outer layer of the considered strand 21; 22 closed.
  • Fig. 19 is a schematic representation of one of the detector D1; D2; etc. track shown as a light-dark pattern.
  • the corresponding measuring head reads in the pattern of the layers lying underneath , with the Print image periodically recurring information such as a print image start, with the print image frequency (machine speed) or a multiple snapshots triggered for this purpose or even over a certain periodic, correlated to the print image frequency (the normal state) period integrated or summed value etc.
  • the currently recorded pattern can be compared with a reference pattern M r retained in a memory unit in a clocked manner relative to the machine speed.
  • This reference pattern could be obtained from data of the prepress stage or from an initially received, and for "good", found pattern and be stored in a memory.
  • the currently recorded model M a or its phase position is, however, clocked with a directly or in each case some ( n) printed images previously lying and possibly only temporarily stored pattern M a n (or features these previously recorded pattern) compared.
  • the o.g. "Erratic" deviation and thus the criterion for a bridge can be determined by a limit value for a permitted deviation, which is preferably variably determinable If the deviation goes beyond this, then a path or layer crack is concluded.
  • the erratic deviation is preferably determined by the magnitude of the deviation relative to a measure of the interval at which the change took place, which in principle may be a time span or else a specific number of subsequent pressure sections underlying the change. Both perspectives should be included here under the term "gradient".
  • the gradient of the change can thus be formed from the magnitude of the change per period of time considered or from the magnitude of the change per number of printed image sections considered.
  • the pattern M a (or feature) of the currently measured print image with the pattern M a- (feature) of the directly before measured print image compared.
  • this result can be output, for example, via an output interface 36 to a display and / or warning device of the printing press, in particular at the control station, and / or it can automatically be a direct control action. For example, a stop of the machine and / or a shutdown of the endangered guide element - be issued to a relevant control.
  • the output of the evaluation devices 34 acts on a machine control and causes a knocking off of the affected web by means of a stripping device not shown and / or the triggering of a safety gear and / or even a shutdown, in particular the initiation of an emergency stopproutine, at least of the web run of the relevant strand 21st ; 22 affected printing machine part.
  • FIG. 17 an embodiment according to FIG. 17 is set forth, but with the difference that here on both sides of the strand 21; 22 is measured and evaluated.
  • the previously described control loops R1; R2 for cut-off register control and RA1 and RA2 for strand run monitoring indicated, which may be provided separately for sheet breakage monitoring individually or both.
  • the described device and procedure for position breakage monitoring on strands 21; 22 downstream of a former is in another advantageous embodiment on the detection of a web break, d. H. a web break monitoring, on tracks 02 or longitudinally cut partial webs 02, so web strands 02 (short: Srtrnature 02 or sub strands 02) apply.
  • a web break monitoring on tracks 02 or longitudinally cut partial webs 02, so web strands 02 (short: Srtrnature 02 or sub strands 02) apply.
  • the above to Fig. 17 to 20, as well as for the training of the case here on the web 02 or sub-web 02 directed detector D1; D2 and the evaluation of the measured signals according to their patterns or characteristics is to be applied accordingly here.
  • This device for detecting a web break can be combined in the manner shown in FIG. 3 to 16 with a, but in particular one-sided control loop RO ...
  • a self-detector D1 ; D2 the signal for web break detection and cut register control is used.
  • the control circuit for the cut register acts on the drive of a register device 1 1, in particular a movable in the web direction register roller.
  • FIGS. 21 to 23 examples of web break monitoring are shown using already described above in connection with the sheet breakage monitoring.
  • the printing machine shown schematically in Fig. 22 is, for. Example, in addition to the existing in FIGS. 1 and 2 units exemplified a dryer 41 and a cooling device 42. Funnel structure and folder are indicated here only symbolically.
  • the detector D1 is directed to a web or sub-web 02, which is not yet combined into a bundle with other (sub) webs.
  • the detector D1 takes -.
  • optical signals eg light-dark
  • the detector D1 periodic patterns M a (or particular features of the pattern) pass, as for example in Fig. 21 is exemplified with a gradient of a pattern M a.
  • the buffer may be formed, for example, as a data memory 43 in the form of a ring memory 43 for the n images to be stored or form cylinder circumferences.
  • the clocking can be obtained, for example, from an encoder on a component 02 of the printing press that is synchronized with the web 02, or else from a leading axis movement of an electronic or virtual leading axis. If the comparative patterns M a ; M a . n or their phase angles, there is no interference.
  • the two patterns M a which are considered to each other, diverge; M a . n but over a fixed, but advantageously variably adjustable threshold in their pattern M a ; M a .
  • z. B. a warning message and / or it affects the output of the evaluation 34 on a machine control and causes a knocking off the affected train by means of an unillustrated stripping and / or triggering a safety gear and / or even a shutdown, in particular the initiation of an emergency stop, at least of the web run of the relevant strand 21; 22 affected printing machine part.
  • the phase angle is interpreted as a web break above a certain limit and possibly triggers an emergency stop the machine.
  • two detectors D1; D2 spaced apart on the web path to a same web or sub-web 02directed.
  • the two detectors D1; D2 arranged in such a way in the railway that for a web break particularly vulnerable aggregates on the web path between these detectors D1; D2 are located.
  • This may be, for example, if available, a dryer and / or a cooling device and / or a turning plant.
  • the detector D1 "sees" a periodically occurring pattern M a1 (or certain features of the pattern) and the detector D2 passes a periodically occurring pattern M a2 (or certain features of the pattern) .
  • the currently obtained patterns M a1 and M a2 (or characteristics) are compared with respect to their pattern (or their features) or at least with respect to their phase relationship with each other
  • the two matched patterns M a1 and M a2 (or features) match and / or take a fixed one
  • the pattern M a1 or feature of the one recorded print image may be delayed for a time correlated with the machine speed, eg buffered, and subsequently clocked corresponding to the machine cycle clocked output and compared with
  • the patterns M a1 to be compared are correct ; M a2 match or there is the correct phase position, so there is no disturbance.
  • the two patterns M a1 which are considered to each other, diverge ; M a2 but over a fixed, but advantageously variably adjustable threshold in their pattern M a ; M a . n and / or in their phase position of the required phase angle from each other, or exceeds a gradient for the change of a predetermined limit for the gradient (see above), then z. B.
  • a warning message and / or it affects the output of the evaluation 34 on a machine control and causes a knocking off the affected train by means of an unillustrated stripping and / or triggering a safety gear and / or even a shutdown, in particular the initiation of an emergency stop, at least of the web run of the relevant strand 21; 22 affected printing machine part.
  • a detector D1 again -.
  • optical signals for example light-dark
  • the detector D1 periodic patterns M a or particular features of the pattern pass, as for example in Fig. 21 by way of example with a gradient of a pattern M a is shown.
  • Each current obtained pattern M a is here compared with a stored reference patterns M ar
  • the reference pattern M ar or characteristic is clocked in accordance with the currently obtained pattern M a and compared with the phase angle of the machine speed.
  • the timing may also from an encoder e to a with If the patterns to be compared M a ; M r and / or their phase positions match, then there is no disturbance and the two patterns M considered to one another become different a ; M r but over a fixed, but advantageously variably adjustable limit in their pattern M a ; M r and / or their phase position from each other, or exceeds a gradient for the change a predetermined limit for the gradient (see above), then z. B.
  • a warning message and / or it affects the output of the evaluation 34 on a machine control and causes a knocking off the affected train by means of an unillustrated stripping and / or triggering a safety gear and / or even a shutdown, in particular the initiation of an emergency stop, at least of the web run of the relevant strand 21; 22 affected printing machine part.
  • the detector D1; D2 is in all embodiments of Figs. 3 to 23, in particular in the embodiments of Figs. 21 to 23, in terms of cost advantageous as a simple analog sensor, in particular in the form of a photodiode renewedndu z.
  • B. provides an integral gray value for their measuring surface.
  • the analog measured value signals are digitized for further processing, for example.
  • a detector in particular a self-detector D1; D2 also cooperate with a further evaluation device 27 in the above-mentioned manner, and a control circuit for the longitudinal register, not shown, acting on a registration roller of the registration device 11 or a driven roller for the (partial) web 02 or dien (partial) strand 02 form.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

L'invention concerne un dispositif de contrôle et/ou de régulation d'une marche de faisceau dans un système de cônes d'une presse rotative à imprimer, comportant au moins un cône plieur (16; 17; 18) et un faisceau (21; 22; 23) et/ou un faisceau partiel (21.1; 21.2; 21.3; 22.1; 22.2; 22.3) provenant du cône plieur (16; 17; 18), pouvant être acheminé vers un élément de coupe transversal (13) en aval du cône plieur (16; 17; 18). Dans la trajectoire du faisceau, entre le cône plieur (16; 17; 18) et l'élément de coupe transversal (13), deux détecteurs (D0...D55) dirigés vers les deux côtés du faisceau (21; 22; 23) et/ou du faisceau partiel (21.1; 21.2; 21.3; 22.1; 22.2; 22.3) sont prévus. Le dispositif comporte également un dispositif d'évaluation (25; 27) permettant d'évaluer les positions de phase de signaux récurrents des deux détecteurs (D0...D55) par rapport à des positions de phase de consigne respectives et/ou l'une par rapport à l'autre. Dans la trajectoire du faisceau, en aval du cône plieur (16; 17; 18) du faisceau (21; 22; 23) et/ou du faisceau partiel (21.1; 21.2; 21.3; 22.1; 22.2; 22.3) respectif, au moins un élément d'actionnement (S0...S5; A1; A2) influençant la marche du faisceau, est prévu, ledit élément d'actionnement se trouvant en interaction logique avec le dispositif d'évaluation (25; 27) et pouvant recevoir une instruction d'actionnement à la suite d'un événement produit dans le dispositif d'évaluation (25; 27).
PCT/EP2008/060866 2007-08-21 2008-08-20 Dispositifs et procédé de contrôle et/ou de régulation d'une marche de faisceau dans un système de cônes d'une presse rotative à imprimer WO2009024579A2 (fr)

Priority Applications (1)

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EP08803099A EP2190766A2 (fr) 2007-08-21 2008-08-20 Dispositifs et procédé de contrôle et/ou de régulation d'une marche de faisceau dans un système de cônes d'une presse rotative à imprimer

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DE102007039373.5 2007-08-21
DE102007039373.5A DE102007039373C5 (de) 2007-08-21 2007-08-21 Verfahren zur Überwachung des Stranglaufes in einem Trichteraufbau einer Rotationsdruckmaschine

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WO2009024579A3 WO2009024579A3 (fr) 2009-09-03

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DE102008017532A1 (de) * 2008-04-03 2009-10-08 Manroland Ag Schnittregisterregelung
DE102009022962A1 (de) 2009-05-28 2010-12-02 Siemens Aktiengesellschaft Überwachungssystem und Vorrichtung mit einem solchen Überwachungssystem
CN105500919B (zh) * 2015-12-30 2017-11-10 凌云光技术集团有限责任公司 一种标签缺陷报警方法及装置

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DE10335886A1 (de) 2003-08-06 2005-03-10 Roland Man Druckmasch Verfahren und Vorrichtung zur Regelung des Schnittregisters bei einer Rollenrotationsdruckmaschine mit mehrbahnigem Betrieb
EP1074501B1 (fr) 1999-08-02 2005-11-09 Maschinenfabrik Wifag Détermination de la position de coupe de bandes dans une machine d'impression rotative
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DE3935614A1 (de) 1989-10-26 1991-05-02 Frankenthal Ag Albert Verfahren und einrichtung zum vermindern von makulatur in rollenrotationsdruckmaschinen
DE4234308C2 (de) 1992-10-12 1996-08-29 Heidelberger Druckmasch Ag Verfahren zum Einstellen des Schnittregisters an einer einer Rollendruckmaschine nachgeordneten Querschneidvorrichtung
DE19910835C1 (de) 1999-03-11 2000-09-07 Innomess Elektronik Gmbh Verfahren zur Regelung einer Schnittposition an einer bedruckten Bahn für eine Rollenrotationsdruckmaschine
EP1074501B1 (fr) 1999-08-02 2005-11-09 Maschinenfabrik Wifag Détermination de la position de coupe de bandes dans une machine d'impression rotative
EP1300243B1 (fr) 2001-10-04 2006-10-18 Maschinenfabrik Wifag Procédé et dispositif pour déterminer la position d'une bande imprimée
DE10335886A1 (de) 2003-08-06 2005-03-10 Roland Man Druckmasch Verfahren und Vorrichtung zur Regelung des Schnittregisters bei einer Rollenrotationsdruckmaschine mit mehrbahnigem Betrieb
EP1619026B1 (fr) 2004-07-23 2007-05-02 Koenig & Bauer Aktiengesellschaft Machine d'impression avec un dispositif de déclenchement d'un appareil de capture d'image et/ou d'illumination
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Publication number Publication date
EP2210839B1 (fr) 2012-10-17
WO2009024579A3 (fr) 2009-09-03
EP2210839A2 (fr) 2010-07-28
EP2028144A2 (fr) 2009-02-25
EP2028144B1 (fr) 2011-05-25
EP2028144A3 (fr) 2009-11-18
DE102007039373C5 (de) 2018-10-25
EP2210839A3 (fr) 2010-12-08
ATE510790T1 (de) 2011-06-15
DE102007039373B4 (de) 2015-03-26
EP2190766A2 (fr) 2010-06-02
DE102007039373A1 (de) 2009-02-26

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