EP0555535B1 - Procédé et dispositif pour positionner latéralement des feuilles - Google Patents

Procédé et dispositif pour positionner latéralement des feuilles Download PDF

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Publication number
EP0555535B1
EP0555535B1 EP92120032A EP92120032A EP0555535B1 EP 0555535 B1 EP0555535 B1 EP 0555535B1 EP 92120032 A EP92120032 A EP 92120032A EP 92120032 A EP92120032 A EP 92120032A EP 0555535 B1 EP0555535 B1 EP 0555535B1
Authority
EP
European Patent Office
Prior art keywords
sheet
suction
sheets
valve
sucker
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.)
Expired - Lifetime
Application number
EP92120032A
Other languages
German (de)
English (en)
Other versions
EP0555535A1 (fr
Inventor
Arno Gärtner
Peter Dr. Mayer
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0555535A1 publication Critical patent/EP0555535A1/fr
Application granted granted Critical
Publication of EP0555535B1 publication Critical patent/EP0555535B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/103—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop
    • B65H9/105—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop using suction means

Definitions

  • the invention relates to a method and an arrangement for the lateral alignment of individual sheets on sheet-processing printing presses, in which the sheets to be printed are conveyed against a lateral stop by means of a pneumatic side pulling device arranged below or in the system table and working in time with the incoming sheets.
  • a device which uses a measuring head instead of the side drawing mark on the feed table. After aligning the sheet to the front marks, the lateral position of each sheet is determined using a measuring head. The measured value is compared with a target value. The difference results in the extent of the required lateral displacement, which is realized by means of a suction pull bar arranged in the feed table and displaceable transversely to the sheet conveying direction.
  • a scanning device having at least one sensor is used.
  • a suction box which can be moved laterally to the sheet conveying direction and to which a measuring slot is arranged is arranged in the feed table.
  • a sensor is arranged above the measuring slot and is coupled to an electronic evaluation system. The bow is moved laterally using a suction box, the side edge of the sheet being guided past the measuring line formed by the sensor and measuring slot. If the measuring line is exceeded, a signal is generated after the arc is moved a constant distance into its defined position.
  • a sheet alignment corresponding to the preamble of claims 1 and 2 is known which conveys the sheet against a lateral stop by means of a pneumatic side pulling device.
  • the pneumatic side-pulling device is arranged in or below the system table, works in time with the incoming sheets and consists of a suction cup that can be moved back and forth via a control curve and a valve block with a rotary disk valve.
  • the object of the invention is to eliminate the disadvantages known from the prior art known above.
  • the solution according to the invention realizes a position detection of the sheet before the alignment in the lateral direction when the sheet lies against the front marks and the preceding one is drawn into the feeder printing unit by the pre-gripper.
  • the sheet to be aligned is for a short time no longer covered by the preceding one and the following one has not yet reached the side pulling device.
  • the scanning device for detecting the position of the sheet is arranged in this free area. Starting from its arrival position, each sheet is only subjected to suction air by means of the vacuum path-dependent vacuum control as long as its individual deviation from the end position requires it. The movement of the suction cup remains constant with every curve. A correct end position of the sheet is achieved at both lower and higher machine speeds (greater than 12,000 sheets / h).
  • the speed of impact of the sheet at the side stop is controlled in a defined manner so that a rebound of the sheet at the front marks is eliminated. Regardless of the machine speed and the time at which the suction air is applied, each sheet is immediately delayed before it arrives at the side mark stop and is moved against the stop at a very low speed. This is achieved via a defined travel time behavior of the control curve, in combination with the individual vacuum path control depending on the travel path. Regardless of the type of paper, this also protects the sheet edges.
  • the solution according to the invention consists of a pneumatic side pulling device integrated in a feed table 1 and a In terms of circuitry, sensor 4 connected to it for position detection of a sheet 2.
  • Sensor 4 is fixed in sheet feed direction 21 in front of side stop 6, which is attached to cover plate 8, in feed table 1.
  • Sensor 4 and side stop 6 are arranged on a line 22 and the sensor 4 extends with its measuring range, starting from line 22, into the area of the feed table 1.
  • the measuring range of the sensor 4 is as large as the range of movement of a suction device 7.
  • the side pulling device consists of a valve housing 10 in which a drive shaft 9 is received by means of radial bearings 18.
  • a control cam 15 is attached to the drive shaft 9, on which a roller 23 runs.
  • the roller 23 is connected to a slide 14 which is displaceably mounted on a suction pipe 13 arranged parallel to the drive shaft 9 in the valve housing.
  • the carriage 14 carries the replaceable suction device 7 with its suction surface 7.1.
  • an opening 12 is provided in the suction pipe 13, which ensures the suction of the air via the suction device 7.
  • the sucker 7 is movably coupled to the slide 14 in a recess 11 reaching below the side stop 6 and integrated into the cover plate 8.
  • the valve housing 10 has a suction air line 16 connected to a suction pump 19, which is coupled to a solenoid valve 17.
  • the solenoid valve 17 is connected to the intake manifold 13 and further connected in terms of circuitry to a signal converter 5, which in turn is coupled to the sensor 4 fixed in the feed table 1.
  • a valve 20 e.g. a poppet valve.
  • this valve 20 is connected to an end position switch 24 which is arranged on the valve housing 10 and is contacted by means of a suction slide 14 when it has reached its rear end position.
  • the operation of the arrangement is described below.
  • the sheets 2 separated by the system are fed to the front marks 3 via the obliquely arranged feed table 1, for example a suction belt table.
  • Sheet 2 is now on the front marks 3 and the pre-gripper pulls the preceding one into the feeder printing unit. Sheet 2 is therefore no longer covered by the preceding one and the following one has not yet reached the side pulling device.
  • the sensor 4 for example a reflection measuring head, is fixed in the feed table 1 for detecting the position of the sheet 2.
  • Sensor 4 now determines the individual drawing path for the sheet 2.
  • This information is supplied to the solenoid valve 17 in terms of circuitry via the signal converter 5.
  • a negative pressure generated by the suction pump 19 and supplied via the suction air line 16 is constantly applied to the solenoid valve 17.
  • the sucker 7 is in a position which corresponds to the high point of the control curve 15. While the sheet 2 is in contact with the front marks 3, the suction device 7 is moved to the side stop 6, starting from the drive shaft 9 operating in time with the incoming sheet 2, the control cam 15, roller 23 and the suction slide 14 which can be moved on the suction pipe 13. Depending on the position determined by the sensor 4 and the resulting individual drawing path of the sheet 2, the suction air is switched on sooner or later via the solenoid valve 17 for the constant movement of the suction device 7. Each sheet 2 is conveyed by the suction device 7 against the side stop 6. On the valve housing 10, the limit switch 24 is contacted by the slide 14 and causes the valve 20 to open. The vacuum therefore breaks down quickly.
  • the holding force between the suction device 7 and the sheet 2 is dimensioned such that the suction device 7 slips under the sheet 2 when the latter rests against the side stop and is finally released (rear end position). This is realized by a delay phase in the path-time behavior of the control curve 15 and by the now open valve 20 arranged at the free end of the intake manifold 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Pile Receivers (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Liquid Crystal (AREA)

Claims (4)

  1. Procédé pour l'alignement latéral de feuilles individuelles (2) sur une machine d'impression à feuilles, pour lequel les feuilles (2) à imprimer sont transportées au moyen d'un organe de tirage latéral pneumatique, agencé sous ou dans la table de marge et travaillant à la cadence des feuilles (2), en utilisant un élément d'aspiration (7) pouvant se déplacer en va-et-vient contre une butée latérale (6),
    caractérisé en ce que la position de la feuille arrivant (2) est détectée, et en ce qu'à partir de la position correspondante des feuilles arrivant (2), on effectue la commande à basse pression de l'élément d'aspiration (7), au moyen d'une soupape de commande (17), en dépendance de la course de tirage individuelle nécessaire des feuilles individuelles (2), la distance à parcourir par l'élément d'aspiration (7) restant constante.
  2. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, dans lequel les feuilles (2) à imprimer sont transportées au moyen d'un organe de tirage latéral pneumatique, agencé sous ou dans la table de marge et travaillant à la cadence des feuilles arrivant (2), en utilisant un élément d'aspiration (7) pouvant se déplacer en va-et-vient contre une butée latérale (6), un tube d'aspiration (13) fixé parallèlement à un arbre d'entraînement (9) dans le boîtier de soupape (10) de l'organe de tirage latéral étant relié de façon pneumatique à une soupape de commande (17) pour la commande à basse pression de l'élément d'aspiration (7), et dans lequel la soupape de commande (17) est couplée à une conduite (16) d'air d'aspiration,
    caractérisé en ce que la soupape de commande (17) est reliée sous forme de circuit à un transducteur de signal (5), et en ce que le transducteur de signal (5) est couplé à un capteur (4) fixé dans la table de marge, pour la détection de la course de tirage individuelle des feuilles individuelles (2).
  3. Dispositif selon la revendication 2,
    caractérisé en ce que le tube d'aspiration (13) est couplé de façon pneumatique à une soupape (20), la soupape (20) étant reliée sous forme de circuit à un interrupteur de fin de course (24) agencé sur le boîtier de soupape (10) et pouvant être contacté au moyen d'un chariot d'aspiration (14).
  4. Dispositif selon la revendication 2,
    caractérisé en ce que la soupape de commande (17) est une soupape magnétique.
EP92120032A 1992-01-24 1992-11-25 Procédé et dispositif pour positionner latéralement des feuilles Expired - Lifetime EP0555535B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4201886 1992-01-24
DE4201886A DE4201886C1 (fr) 1992-01-24 1992-01-24

Publications (2)

Publication Number Publication Date
EP0555535A1 EP0555535A1 (fr) 1993-08-18
EP0555535B1 true EP0555535B1 (fr) 1994-09-21

Family

ID=6450169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92120032A Expired - Lifetime EP0555535B1 (fr) 1992-01-24 1992-11-25 Procédé et dispositif pour positionner latéralement des feuilles

Country Status (5)

Country Link
US (1) US5322012A (fr)
EP (1) EP0555535B1 (fr)
JP (1) JP2760927B2 (fr)
AT (1) ATE111866T1 (fr)
DE (2) DE4201886C1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4326927A1 (de) * 1993-08-11 1995-02-16 Heidelberger Druckmasch Ag Vorrichtung für Luftsteuerung bei Bogenanlegern von Druckmaschinen
DE4415494C2 (de) * 1994-05-03 1999-08-05 Koenig & Bauer Ag Saugeinrichtung zum seitlichen Ausrichten von Bogen
US5797597A (en) * 1995-11-14 1998-08-25 Mita Industrial Co., Ltd. Automatic document conveying device
US5640903A (en) * 1995-12-29 1997-06-24 Pitney Bowes Inc. Method and apparatus for initiating printing and registering a mailpiece in a stand alone postage meter
JP2887751B2 (ja) * 1997-06-09 1999-04-26 株式会社東京機械製作所 印刷紙搬送列からの印刷紙小部数抜取装置
DE19822307B4 (de) * 1997-07-12 2008-12-24 Heidelberger Druckmaschinen Ag Verfahren zum paßgerechten Ausrichten von Bogen
DE19946036B4 (de) * 1999-09-25 2007-11-08 Koenig & Bauer Aktiengesellschaft Saugeinrichtung zum seitlichen Ausrichten von Bogen
DE10055584B4 (de) * 1999-12-16 2011-04-14 Heidelberger Druckmaschinen Ag Vorrichtung zum seitlichen Ausrichten von Bogen
DE10116980A1 (de) * 2000-05-02 2001-11-08 Heidelberger Druckmasch Ag Vorrichtung und Verfahren zum Ausrichten von Bogen
DE10023938A1 (de) * 2000-05-17 2001-11-22 Nexpress Solutions Llc Verfahren und Ausrichtung bogenförmigen Materials an einer Referenzkante
DE10254330A1 (de) * 2001-12-20 2003-07-10 Heidelberger Druckmasch Ag Vorrichtung zum Ausrichten von Bogen auf einem Anleger einer Bogen verarbeitenden Maschine, insbesondere Druckmaschine
DE10315192A1 (de) * 2002-04-25 2003-11-06 Heidelberger Druckmasch Ag Unabhängig ansteuerbare Seitenziehmarken zum seitlichen Ausrichten eines Bogens
JP2005041604A (ja) * 2003-07-23 2005-02-17 Canon Inc シート搬送装置及び画像形成装置並びに画像読取装置
CN100372681C (zh) * 2004-05-10 2008-03-05 中国印钞造币总公司 用于在线检测的吸风停纸方法及其装置
DE102005039960A1 (de) * 2005-08-24 2007-03-08 Koenig & Bauer Ag Vorrichtung zum seitlichen Ausrichten
JP4934366B2 (ja) * 2006-07-27 2012-05-16 株式会社リコー 画像形成装置
DE102009027389B4 (de) 2008-07-31 2019-04-04 manroland sheetfed GmbH Anordnung zur seitlichen Ausrichtung von Bogen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2046602B2 (de) * 1970-09-22 1973-09-06 Koenig & Bauer AG, ,700 Würzburg Bogenzufuehrung bei druckmaschinen
US3964828A (en) * 1972-12-29 1976-06-22 Ricoh Co., Ltd. Apparatus for preparing electrophotographic microfilm
DE2824932C3 (de) * 1978-06-07 1984-03-29 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Seitenziehvorrichtung für auszurichtende Bogen auf einem Anlegetisch zugeführter Bogen einer bogenverarbeitenden Maschine
DE2851935C3 (de) * 1978-12-01 1981-05-21 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum seitlichen Ausrichten von Bogen
JPS5628827A (en) * 1979-08-20 1981-03-23 Mitsubishi Chem Ind Ltd Method of preventing shift of defogging agent to surface of film for farm use
DE3301722C2 (de) * 1983-01-20 1985-03-07 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Verfahren und Vorrichtung zur paßgerechten Zuführung von Bogen an bogenverarbeitenden Maschinen
ZA84910B (en) * 1983-03-26 1984-09-26 Heidelberger Druckmasch Ag Method for aligning sheets
DE3311197A1 (de) * 1983-03-26 1984-10-04 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Verfahren zum passgenauen zufuehren von boegen
JPS602546A (ja) * 1983-05-20 1985-01-08 Fuji Xerox Co Ltd 用紙搬送位置制御装置

Also Published As

Publication number Publication date
US5322012A (en) 1994-06-21
ATE111866T1 (de) 1994-10-15
JPH05261894A (ja) 1993-10-12
EP0555535A1 (fr) 1993-08-18
JP2760927B2 (ja) 1998-06-04
DE4201886C1 (fr) 1993-07-08
DE59200540D1 (de) 1994-10-27

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