EP0985527B1 - Dispositif de guidage des feuilles dans le margeur de feuilles - Google Patents

Dispositif de guidage des feuilles dans le margeur de feuilles Download PDF

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Publication number
EP0985527B1
EP0985527B1 EP99115127A EP99115127A EP0985527B1 EP 0985527 B1 EP0985527 B1 EP 0985527B1 EP 99115127 A EP99115127 A EP 99115127A EP 99115127 A EP99115127 A EP 99115127A EP 0985527 B1 EP0985527 B1 EP 0985527B1
Authority
EP
European Patent Office
Prior art keywords
sheet
feeder
sheet guide
guiding device
guide plate
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
EP99115127A
Other languages
German (de)
English (en)
Other versions
EP0985527A2 (fr
EP0985527A3 (fr
Inventor
Günter Dr. Weisbach
Michael Dr. Koch
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 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 AG filed Critical Koenig and Bauer AG
Publication of EP0985527A2 publication Critical patent/EP0985527A2/fr
Publication of EP0985527A3 publication Critical patent/EP0985527A3/fr
Application granted granted Critical
Publication of EP0985527B1 publication Critical patent/EP0985527B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B41F21/05—In-feed grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/36—Article guides or smoothers, e.g. movable in operation
    • B65H5/38—Article guides or smoothers, e.g. movable in operation immovable in operation

Definitions

  • the invention relates to a sheet guiding device in the sheet line of a sheet printing machine, consisting of a periodically operating vibration system, one on one of the Vibration system upstream feed table with the help of front and cover marks Contact marks after the front edge and through side marks after the side edge aligned arc detected and one of the vibrating system downstream, rotating Sheet guiding system, which passes the sheet with at least printing cylinder speed passes a downstream printing cylinder, the sheet guide system Means for accelerated removal of the sheet located on the feed table are.
  • Such arch systems are e.g. known from DE 195 23 887 and 195 23 888.
  • devices for accelerating pulling of the already aligned sheets away from the feed table are known from DE 503 503, 724 077, in which means are assigned to the circumferential sheet guiding system which force the sheets detected by the grippers out of the gripper track.
  • Angle levers for example, are provided as means for pushing the sheet out of the gripper track, which follow the direction of rotation of the sheet guide system and are controlled by a fixed cam. It is also possible to eject a rotating sheet drum or part of a rotating cylinder surface eccentrically to the center of the gripper track and to drive it at the same speed as the grippers or to assign blow nozzles or blow pipes to the sheet guide system and blow the sheets from the pivot point of the lead away circulating sheet guide system.
  • the mechanical means for pushing the sheets out of the gripper track require them Realization a lot of effort and require high-speed and large format Machines additional means for pre-smoothing the sheets, i.e. to smear the air between Sheet and impression cylinder.
  • the measure, the sheets by means of the sheet guide system associated blow nozzles pushing the gripper track is great with large-format and high-speed machines as well not possible when processing thin substrates due to fluttering. Moreover additional means for pre-smoothing the sheets are required.
  • the object of the invention is a sheet guiding device for the accelerated removal of a To create arches from the feed table, which can be realized with simple means, the arches pre-smoothed and also for large-format and fast-running machines and for processing thin substrates enables the entire system to be operated effectively.
  • the solution according to the invention allows the free end of a pulling sheet to be conveyed from the feed table in an accelerated manner by simple means, as a result of which an earlier lateral alignment of the subsequent sheet and a reliable double sheet control is possible.
  • the solution according to the invention when the sheets are fed to the impression cylinder, the air located between the sheet and the surface of the impression cylinder is smeared out so that the sheets are pre-smoothed and thus a smooth support is ensured even with thin materials.
  • Fig. 1 the schematic representation of an arc acceleration system is shown, the from a vibration system 1 and a bow guide system downstream of the vibration system 1 2, in the exemplary embodiment as an eccentrically mounted acceleration drum 3 is formed.
  • the sheet guiding system 2 is a printing cylinder 4 downstream and the vibrating system 1 in front of a feed table 5.
  • the feed table 5 are periodically swinging front marks 6 against the front edge of the feed table 5, the sheet guide system 2 or the acceleration drum 3 gripper 7 and the printing cylinder 4 grippers 8 assigned.
  • the sheet guiding system 2 is a sheet guiding device 9 assigned, which consists of a extending over the entire width of the sheet guide system 2, arched to the sheet guide system 2 extending sheet guide plate 10, that extends to the circumference of the printing cylinder 4 without touching it.
  • blowing nozzles 11 which are connected to a blowing air source, not shown are and initiate a blow air flow following the course of the sheet guide plate 10, is provided.
  • the sheet guide plate 10 is the top of an air box 12 formed, which is connected via a nozzle 13 to a blast air source.
  • Figure 1 shows the path of the sheet 14 in full line and can be seen that the End of the sheet 14 is still on the feed table 5, although this is already due to the knitting Gripper 8 / printing cylinder 4 is guided, which causes the lateral alignment of a subsequent sheet and double sheet control is not possible.
  • the blowing nozzles 11 are blown with air, the sheet 14 is guided away from the sheet guiding system 2 due to the hydrodynamic paradox acting between the sheet guiding plate 10 and sheet 14 and follows the course of the sheet guiding plate 10 without touching it.
  • the path of the deflected sheet 14 ' is shown in broken lines in FIG. 1 and shows that the free end of the deflected sheet 14' leaves the feed table 5 rather than the sheet end of the sheet conveyed by the effective pairing of the gripper 8 / pressure cylinder 4 and guided by the sheet guiding system 2 14, which means that a subsequent sheet can be mechanically aligned laterally and a secure double sheet inspection can be implemented.
  • the sheet 14' Due to the blowing air flow of the sheet guiding device 9 leading the sheet 14 'away from the impression cylinder 4 and its direct assignment to the impression cylinder 4, the sheet 14' is smoothed when it is fed to the impression cylinder 4, ie the air between sheet 14 'and the outer surface of the impression cylinder 4 is spread out , which enables a smooth support even with thin materials.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Claims (2)

  1. Installation de guidage de feuilles (9) dans un margeur de feuilles d'une machine d'impression de feuilles composée d'une installation vibrante (1) travaillant périodiquement, qui prend une feuille (14) sur une table de margeur (5) en amont de l'installation oscillante (1), cette feuille ayant son arête avant alignée par des repères de margeur formés de repères avant et de repères de dessus (6), et ses arêtes latérales alignées par des repères latéraux, et qui transfère la feuille en aval de l'installation vibrante (1) à un système de guidage de feuille (2), tournant qui transfère la feuille (14) au moins à la vitesse du cylindre d'impression à un cylindre d'impression (14) en aval, le système de guidage de feuille (2) comportant des moyens (3) pour accélérer l'évacuation de la feuille (14) se trouvant sur la table de margeur (5),
    caractérisée par
    une installation de guidage de feuilles (9) distante et bombée par rapport au système de guidage de feuilles (2), et ayant une tôle de guidage de feuilles (10) s'étendant directement jusqu'au niveau du cylindre d'impression (4), la tôle de guidage de feuilles (10) comportant des buses de soufflage (11) qui génèrent une veine d'air de soufflage suivant le tracé de la tôle de guidage (10), dans la direction qui s'écarte du cylindre d'impression (4).
  2. Installation de guidage de feuilles selon la revendication 1,
    caractérisée en ce que
    la tôle de guidage de feuilles (10) est le côté supérieur d'un caisson d'air (12) relié à une source de soufflage d'air.
EP99115127A 1998-09-09 1999-08-10 Dispositif de guidage des feuilles dans le margeur de feuilles Expired - Lifetime EP0985527B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19841128 1998-09-09
DE19841128A DE19841128A1 (de) 1998-09-09 1998-09-09 Bogenleiteinrichtung in der Bogenanlage

Publications (3)

Publication Number Publication Date
EP0985527A2 EP0985527A2 (fr) 2000-03-15
EP0985527A3 EP0985527A3 (fr) 2000-06-28
EP0985527B1 true EP0985527B1 (fr) 2002-10-30

Family

ID=7880320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99115127A Expired - Lifetime EP0985527B1 (fr) 1998-09-09 1999-08-10 Dispositif de guidage des feuilles dans le margeur de feuilles

Country Status (2)

Country Link
EP (1) EP0985527B1 (fr)
DE (2) DE19841128A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10119097A1 (de) * 2001-04-19 2002-10-24 Koenig & Bauer Ag Bogenleiteinrichtung in der Bogenanlage von Druckmaschinen
DE10309708A1 (de) * 2003-03-06 2004-09-16 Koenig & Bauer Ag Bogenanlage
DE10309709A1 (de) * 2003-03-06 2004-09-16 Koenig & Bauer Ag Bogenanlage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE724077C (de) * 1938-12-11 1942-08-17 Planeta Druckmaschinenwerk Ag Vorrichtung zum beschleunigten Wegziehen eines zu bedruckenden, bereits ausgerichteten Bogens
DE3108807C2 (de) * 1981-03-07 1984-10-31 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Bogen-Rotations-Offsetdruckmaschine für wahlweise Schön- oder Schön- und Widerdruck
DD263730A1 (de) * 1987-05-22 1989-01-11 Polygraph Leipzig Bogenleiteinrichtung zur unterstuetzung der bogenfuehrung
EP0553739B1 (fr) * 1992-01-31 1995-08-02 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Dispositif pour régler les éléments de guidage de feuilles d'une rotative
DE19523887C2 (de) * 1994-09-06 1999-02-04 Kba Planeta Ag Einrichtung zum Antreiben eines Bogenbeschleunigungssystems
DE29501537U1 (de) * 1995-02-01 1995-03-09 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Bogenleiteinrichtung mit Luftversorgungskästen

Also Published As

Publication number Publication date
EP0985527A2 (fr) 2000-03-15
EP0985527A3 (fr) 2000-06-28
DE19841128A1 (de) 2000-03-16
DE59903236D1 (de) 2002-12-05

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