EP0847333A1 - Procede et dispositif d'evaluation qualitative de feuilles traitees - Google Patents

Procede et dispositif d'evaluation qualitative de feuilles traitees

Info

Publication number
EP0847333A1
EP0847333A1 EP97929101A EP97929101A EP0847333A1 EP 0847333 A1 EP0847333 A1 EP 0847333A1 EP 97929101 A EP97929101 A EP 97929101A EP 97929101 A EP97929101 A EP 97929101A EP 0847333 A1 EP0847333 A1 EP 0847333A1
Authority
EP
European Patent Office
Prior art keywords
sheet
drum
sheets
holding device
inspected
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.)
Granted
Application number
EP97929101A
Other languages
German (de)
English (en)
Other versions
EP0847333B1 (fr
Inventor
Gerald Josef Reinhard
Johannes Georg Schaede
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer Albert AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer Albert AG filed Critical Koenig and Bauer Albert AG
Publication of EP0847333A1 publication Critical patent/EP0847333A1/fr
Application granted granted Critical
Publication of EP0847333B1 publication Critical patent/EP0847333B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/02—Arrangements of indicating devices, e.g. counters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/04—Grippers
    • B41F21/06—Suction-operated grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F25/00—Devices for pressing sheets or webs against cylinders, e.g. for smoothing purposes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/42—Means for tensioning webs

Definitions

  • the invention relates to a method and a device for the qualitative assessment of processed sheets.
  • DE 32 20 098 C2 describes a numbering machine with a device for the qualitative assessment of the front and back of sheets to be numbered by means of two test cylinders.
  • DE 42 23 555 A1 discloses a drum for transporting sheets in a turning device of a sheet rotation printing machine. This drum is provided with grippers for gripping the sheet leading edge and with movable suction elements for tightening the sheet trailing edge.
  • the invention has for its object to provide a method and an apparatus for qualitative assessment of processed sheets. This object is achieved by the features of the characterizing part of claims 1 and 8,
  • the arrangement of two drums, both of which have two holding devices for tightening the sheets enables a safe inspection of the front and back of the sheets after complete processing.
  • Fig. 1 is a schematic side view of a
  • Fig. 2 is a schematic view of a drum.
  • a device for the qualitative assessment of processed sheets 1 is installed.
  • This example is a sheet-fed rotary printing press that prints sheets of paper on your front and back 2, 3.
  • This example is a sheet-fed rotary printing press that prints sheets of paper on your front and back 2, 3.
  • Sheet transport according to the printing units until the sheets 1 are deposited on stacks 4, 6, 7 in a delivery 8.
  • Machined sheets 1 are understood to mean, for example, printed sheets, embossed sheets or those provided with a pattern in other ways.
  • a first chain conveyor 9 is arranged.
  • the chains 11 of this chain conveyor 9 first run horizontally near the bottom and then vertically up to the stack 4, 6, 7 of the delivery 8 to a first sprocket 10.
  • Kettengrei fervorri chtungen 12 are attached on these chains 11
  • Kettengrei fervorri chtungen 12 are attached on these chains 11
  • chain devices 16 are provided on which also chain devices 16 are provided.
  • These chains 13 are deflected by two sprockets 15, 20.
  • a first drum 17 is arranged, with which a second drum 18 interacts directly.
  • a third chain conveyor 19 is then arranged directly above the stacks 4, 6, 7, which guides the sheets 1 to the stacks 4, 6, 7 of the delivery 8.
  • the chains 38 are deflected by three chain wheels 39, 41, 42.
  • the chain gripping systems 21 of the third chain conveyor 19 can optionally deposit the sheets 1 onto one of the three stacks 4, 6, 7. Inspected sheets 1 which do not meet the specified quality requirements, for example, are placed on one (in the example, the left stack 7) of the three stacks 4, 6, 7.
  • the two drums 17, 18 each consist essentially of a first basic drum body 22 with first segments 23, a second basic drum body 24 with second segments 26, first 27 and second holding devices 28.
  • the holding devices can each be designed as grippers or suction devices.
  • the first drum base body 22 is by means of Hollow shaft journal mounted in the side frames of the delivery 8.
  • a shaft 29 is pivotally mounted in this hollow shaft journal.
  • the segments 26 extending in circumferential direction are fastened next to one another on this shaft 29.
  • the second holding device 28 is arranged so as to be displaceable in the circumferential direction and in the axial direction.
  • This second holding device 28 is formed by a plurality of suction cups 28 arranged side by side in the axial direction and controlled by suction air.
  • the first holding device 27 is provided in the form of controllable grippers 27 arranged side by side in the axial direction.
  • First 23 and second segments 26 are arranged in a comb-like manner, so that an arc-shaped lateral surface 31 is formed.
  • the distance in the circumferential direction of suckers 28 and grippers 27, ie a length 131 of the circumferential surface 31 in the circumferential direction, can be adapted to a length 11 of the sheets 1 to be processed.
  • the first 23 and second segments 26 are pivotable in relation to one another in circumferential direction and can be ascertained after the adjustment process.
  • this drum 17, 18 is designed as a "double-sized" drum 17, 18, ie there are two first 27 and two second holding devices 28 with the associated segments 23, 26 offset from one another by 180 ° on the circumference. Each of these two drums 17, 18 is assigned its own inspection device. This
  • Inspection device essentially consists of a lighting device 32, 33 and a picture-taking device 34, 36.
  • a plurality of strobos heads 37 are provided as lighting devices 32, 33, which are arranged such that a uniform illumination of the sheet 1 to be inspected. That is, an angle and distance of the light-emitting surface of the stroboskopbli 37 are adapted to the lateral surface 31 of the drum 17, 18 and to the lens of the image recording device 34, 36.
  • the particular Bi lding aptitude 34, 36 comprises at least one CCD-surface camera, preferably two in the axial direction of the drum 17, 18 arranged side by side CCD area cameras 34, 36. From each of sheets to be inspected 1, preferably four, each Q uadranten corresponding Individual images were recorded and again superimposed into an overall image in an evaluation device connected downstream of the CCD area cameras 34, 36. This overall picture is then evaluated, for example, in accordance with the method described in DE 42 06 366 A1.
  • the inspection device is arranged after the transfer area of the second chain conveyor 14 and the first drum 17 such that the sheet 1 to be inspected is located in the evaluation report of the CCD area scan camera 34 after tightening.
  • the second inspection device is arranged between the transfer area of the first 17 and second drum 18 or second drum 18 and third chain conveyor 19.
  • the mode of operation of the device according to the invention is as follows:
  • Kettengrei fervorri chtungen 12 of the first chain conveyor 9 take over the printed sheets 1 from a printing cylinder, not shown.
  • the inspection of the front end 2 and rear side 3 of the sheets 1 takes place only after printing, that is to say after complete processing, ie. H. as the last step before depositing in the sheet processing machine.
  • Kettengrei fervorri chtache 12 transport the sheets 1 first in a horizontal, then in a vertical direction to the second chain conveyor 14 arranged above the stacks 4, 6, 7 and transfer the sheets 1 to the first drum 17.
  • the grippers 27 of the drum 17 take the Start of the sheets to be inspected 1. After approximately half a revolution of the drum 17, the end of the sheets 1 reaches the area of the suction cups 28, which are then acted upon by suction air and thus grip the end of the sheets 1. Then the suction cup 28 perform a movement both in the circumferential direction and in the axial direction of the drum 17 and thus tighten the sheet 1.
  • the sheet 1 is now wrinkle-free on the 7/48556 PC17DE97 / 01201
  • first drum 17 In the present example, the rear side 3 of the sheet 1 faces away from the drum 17 and points in the direction of CCD area cameras 34.
  • the strobe flashes 37 now illuminate sheet 1 for the first time and the two CCD area cameras 34 take away from the leading one Half of the sheet 1 the two adjacent individual images. Sheet 1 is therefore tightened before the first single image is taken.
  • the following two individual images are now taken up by the rear half of the sheet 1. Only after all the individual images or the total image of the sheet 1 has been recorded is the sheet 1 transferred to the second drum 18 for inspection of the front side 2 of the sheet 1.
  • the grippers 27 of the first drum 17 transfer the beginning of the sheet 1 to the grippers 27 of the second drum 18.
  • the sheet is thus transported by the second drum 18 and the back 3 of the sheet 1 on the outside of the first drum 17 reaches the inside Shell surface 31 of the second drum 18, so that the front 2 of the sheet 1 is now outside.
  • the suction cups 28 of the first 17 and the second drum 18 come into the transfer area (ie in the area of the common centers of the two drums 17, 18)
  • the suction air of the suction cups 28 of the first drum 17 is switched off and the suction cups 28 of the second drum 18 acted upon by suction air.
  • the end of the sheet 1 from the suction cups 28 of the second drum 18 seized.
  • the suction cups 28 of the second drum 18 are then moved in the circumferential direction and in the axial direction of the second drum 18.
  • the suction force generated by the suction cups 28 on the end of the sheet 1 is such that the sheet 1 is tightened, but the sheet 1 begins to slide on the suction cups 28 before the tensile strength of the sheet 1 is exceeded.
  • the beginning of the sheet 1 is only transferred to the chain conveyor devices 21 of the third chain conveyor 19 after the total image of the sheet 1 has been completely recorded.
  • the third chain conveyor 19 is controlled by the evaluation device of the inspection device in such a way that it deposits the inspected sheets 1 that meet the quality requirements either on the first 4 or second stack 6, whereas the inspected sheets 1 that do not meet the quality requirements are deposited on the third stack 7 become.
  • the sheets 1 to be inspected are not transferred directly from the first drum 17 to the second drum 18, but by means of intermediary transport means, such as, for. B. more Drums to be handed over.
  • intermediary transport means such as, for. B. more Drums to be handed over.
  • a chain conveyor can also be provided with two holding devices interacting in pairs. These holding devices are arranged to perform a relative movement that tightens the sheets 1, wherein a holding device grips the beginning and a holding device the end of the sheets 1.
  • Image recording device CCD area scan camera
  • Image acquisition device CCD area camera
  • Length of the arch (1) Length of the outer surface (31)

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

L'invention concerne un procédé et un dispositif d'évaluation qualitative de feuilles traitées. Pendant l'inspection, les feuilles à inspecter sont retenues sous tension sur un tambour.
EP97929101A 1996-06-18 1997-06-13 Procede et dispositif d'evaluation qualitative de feuilles traitees Expired - Lifetime EP0847333B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19624196A DE19624196C2 (de) 1996-06-18 1996-06-18 Vorrichtung und Verfahren Bogenführung bei einer qualitativen Beurteilung von bearbeiteten Bogen
DE19624196 1996-06-18
PCT/DE1997/001201 WO1997048556A1 (fr) 1996-06-18 1997-06-13 Procede et dispositif d'evaluation qualitative de feuilles traitees

Publications (2)

Publication Number Publication Date
EP0847333A1 true EP0847333A1 (fr) 1998-06-17
EP0847333B1 EP0847333B1 (fr) 2003-03-26

Family

ID=7797211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97929101A Expired - Lifetime EP0847333B1 (fr) 1996-06-18 1997-06-13 Procede et dispositif d'evaluation qualitative de feuilles traitees

Country Status (8)

Country Link
US (1) US6192140B1 (fr)
EP (1) EP0847333B1 (fr)
JP (1) JP2001509746A (fr)
CN (1) CN1072112C (fr)
BR (1) BR9702306A (fr)
DE (2) DE19624196C2 (fr)
RU (1) RU2178740C2 (fr)
WO (1) WO1997048556A1 (fr)

Families Citing this family (30)

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Publication number Priority date Publication date Assignee Title
JP2001080050A (ja) 1999-09-16 2001-03-27 Komori Corp 枚葉輪転印刷機
US7949722B1 (en) 1999-09-29 2011-05-24 Actv Inc. Enhanced video programming system and method utilizing user-profile information
JP4421066B2 (ja) * 2000-04-07 2010-02-24 株式会社小森コーポレーション 両面印刷機の品質検査装置
AU2001250231C1 (en) * 2000-05-08 2005-07-07 Kba-Notasys Sa Installation for treating sheets of printed paper
AU5023201A (en) * 2000-05-08 2001-11-20 Kba Giori Sa Device for conveying sheet-like material
JP4950374B2 (ja) * 2000-06-23 2012-06-13 株式会社小森コーポレーション シート状物識別方法および識別装置
DE10128833B4 (de) * 2001-06-15 2006-11-02 Koenig & Bauer Ag Qualitätskontrollvorrichtung
JP4219583B2 (ja) * 2001-10-26 2009-02-04 Ｎｔｎ株式会社 固定型等速自在継手
US7215427B2 (en) * 2001-12-18 2007-05-08 Kba-Giori S.A. Device for controlling material
DE10222543B4 (de) * 2002-05-17 2007-08-02 Man Roland Druckmaschinen Ag Auslegevorrichtung an einer Bogenverarbeitungsmaschine
DE10248634A1 (de) * 2002-10-18 2004-04-29 Koenig & Bauer Ag Bogenrotationsdruckmaschine in Aggregatbauweise mit einer Bogeninspektionseinrichtung
EP1589495A1 (fr) * 2004-04-22 2005-10-26 Kba-Giori S.A. Dispositif et procédé d'inspection
DE102004021600A1 (de) * 2004-05-03 2005-12-08 Gretag-Macbeth Ag Vorrichtung zur Inline-Überwachung der Druckqualität bei Bogenoffsetdruckmaschinen
ITMI20041054A1 (it) * 2004-05-26 2004-08-26 Riparazioni Macchine Grafi Ce Apparecchiatura di verifica per fogli valore e relativo metodo di controllo di una macchina da stampa
CN1309565C (zh) * 2004-09-02 2007-04-11 中国印钞造币总公司 印刷质量在线自动控制系统
JP5400386B2 (ja) 2005-11-25 2014-01-29 カーベーアー−ノタシ ソシエテ アノニム 印刷機上での被印刷体の処理中に被印刷体上の印刷エラーの発生を検出する方法
EP1790473A1 (fr) 2005-11-25 2007-05-30 Kba-Giori S.A. Méthode pour détecter l'apparition d'erreurs d'impression sur un substrat durant son traitement dans une machine d'impression
DE102006006676A1 (de) * 2006-02-14 2007-08-23 Koenig & Bauer Aktiengesellschaft Bogenrotationsdruckmaschine
EP1834779A1 (fr) * 2006-03-14 2007-09-19 Kba-Giori S.A. Système d'inspection pour une machine d'impression de feuilles recto-verso
JP5100507B2 (ja) * 2008-05-28 2012-12-19 株式会社小森コーポレーション シート状物処理機のシート状物挙動監視装置
EP2138437A1 (fr) 2008-06-27 2009-12-30 Kba-Giori S.A. Système d'inspection pour contrôler la qualité de feuilles imprimées
DE102008042394B4 (de) 2008-09-26 2021-03-25 Koenig & Bauer Ag Vorrichtung zur Überwachung verarbeitungstechnischer Vorgänge in einer Bogen verarbeitenden Maschine, insbesondere einer Bogendruckmaschine
US8752831B2 (en) * 2008-10-06 2014-06-17 Xerox Corporation Systems and methods for controlling substrate flatness in printing devices using the flow of air
US8186675B2 (en) * 2008-10-06 2012-05-29 Xerox Corporation Systems and methods for controlling substrate flatness in printing devices using vacuum and/or the flow of air
US7957657B2 (en) * 2009-02-12 2011-06-07 Xerox Corporation Universal module for enabling measurements on color printers
JP5379525B2 (ja) * 2009-03-19 2013-12-25 株式会社小森コーポレーション シート状物の品質検査装置
DE102010030789B4 (de) 2009-07-10 2017-06-08 manroland sheetfed GmbH Bogeninspektionssystem
EP2518697B2 (fr) * 2009-12-21 2022-08-10 Kabushiki Kaisha Toshiba Dispositif de manipulation de feuilles de papier
JP5216805B2 (ja) * 2010-04-30 2013-06-19 日立オムロンターミナルソリューションズ株式会社 紙葉類処理装置
JP6878117B2 (ja) * 2017-04-25 2021-05-26 川崎重工業株式会社 シート搬送装置及びシート搬送方法

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Also Published As

Publication number Publication date
JP2001509746A (ja) 2001-07-24
EP0847333B1 (fr) 2003-03-26
RU2178740C2 (ru) 2002-01-27
DE19624196A1 (de) 1998-01-08
US6192140B1 (en) 2001-02-20
CN1072112C (zh) 2001-10-03
DE19624196C2 (de) 1999-09-23
WO1997048556A1 (fr) 1997-12-24
CN1198710A (zh) 1998-11-11
BR9702306A (pt) 1999-03-02
DE59709616D1 (de) 2003-04-30

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