EP0858889A2 - Système de dépoussiérage avec un dispositif de guidage de feuilles - Google Patents

Système de dépoussiérage avec un dispositif de guidage de feuilles Download PDF

Info

Publication number
EP0858889A2
EP0858889A2 EP98101228A EP98101228A EP0858889A2 EP 0858889 A2 EP0858889 A2 EP 0858889A2 EP 98101228 A EP98101228 A EP 98101228A EP 98101228 A EP98101228 A EP 98101228A EP 0858889 A2 EP0858889 A2 EP 0858889A2
Authority
EP
European Patent Office
Prior art keywords
printing
cylinder
dedusting system
sheet
conveying direction
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
EP98101228A
Other languages
German (de)
English (en)
Other versions
EP0858889A3 (fr
EP0858889B1 (fr
Inventor
Thomas Walther
Udo Trillig
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 EP0858889A2 publication Critical patent/EP0858889A2/fr
Publication of EP0858889A3 publication Critical patent/EP0858889A3/fr
Application granted granted Critical
Publication of EP0858889B1 publication Critical patent/EP0858889B1/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
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/002—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing cleaning devices for sheets or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/10—Cleaning characterised by the methods or devices
    • B41P2235/20—Wiping devices
    • B41P2235/23—Brushes

Definitions

  • the invention relates to a dedusting system with sheet guiding device in a rotary printing press according to the preamble of the main claim.
  • a device of this type is known from CH-PS 419 188.
  • the invention relates on a device for spreading, brushing and vacuuming the dust from the surface of the paper to be printed, the device being in the sheet conveying direction is arranged in front of the printing zone.
  • the suction is in the form of a vibratable Suction bar formed, which has brushes at the end regions, in a pivot bearing arranged and freely removable upwards from the printing unit. It is a disadvantage of this device that the sheet guide is too little different Basis weights of the sheets to be processed are taken into account.
  • DE 39 20 730 C2 describes a sheet guiding device for the smooth contact of Known sheet before the printing nip. Then there is a blow nozzle for pressing the Arc provided on the cylinder jacket by the force of the flowing air is pivoted parallel to the axis of the printing cylinder and in the working cycle of the printing press is movable back and forth in the sheet conveying direction.
  • the technical training to achieve the swinging movement of the sheet hijacking device affects the space in front of the pressure nip.
  • the object of the invention is to provide a dedusting system with a sheet guiding device create that avoids the disadvantages mentioned and a more uniform sheet guidance the printing cylinder, in particular in front of the dedusting system and the printing zone with simultaneous cleaning of the printing material.
  • the task is characterized by the training features of the main claim solved. Further training results from the subclaims.
  • the advantage of the invention is that the sheet-shaped printing material is essentially independent of its basis weight immediately after the transfer area to the printing cylinder is performed by the formation of the air cushion between sheet-shaped printing material and pressure cylinder is noticeably reduced.
  • the printing material lies flat on the Jacket of the pressure cylinder, whereby the activated dedusting system is not disadvantageous affects the routing of the substrate on the impression cylinder.
  • a possible one Clap off the undulating, arch-shaped substrate against the dedusting system or a sheet guiding device or the blanket cylinder itself and a possible one
  • the rear printing material corners are turned over (pre-doubling) in the case of the invention Avoided device.
  • the arrangement of the dedusting system with sheet guiding device is preferably for a system printing unit (first printing unit in the conveying direction of the printing material) can be used.
  • the device is also suitable for printing units that follow a turning device in the conveying direction, is also a Arrangement in front of further processing units, e.g. Paint shops, or after pollination facilities, e.g. Powder systems, possible.
  • the blow pipe 4 is provided with openings for the discharge of blowing air, which are more preferred Way in the blowing direction 11 emerges approximately counter to the conveying direction 13.
  • the openings are arranged such that the blown air flow onto the transfer area and on the printing material guided on the impression cylinder 2 occurs.
  • the first row in A blown air flow is generated in the direction of the transfer area and the second row in A blown air flow is generated in the direction of the outer surface of the pressure cylinder 2.
  • the dedusting system 5 consists essentially of a suction box with another brushes arranged at the lower and upper limit.
  • the brushes are defined in a Distance to the outer surface of the printing cylinder 2 is arranged.
  • the dedusting system 5 is in a guide arranged approximately at right angles to the lateral surface of the printing cylinder 2 12 longitudinally displaceable, so that the distance to the printing cylinder 2 is exactly adjustable.
  • the guide 12 serves to insert or remove the dust removal system 5 in the specified area 20 within the printing unit 16.
  • the dedusting system 5 is coupled to a pneumatic system, preferably a suction source, which in Suction 9 removes the dust or powder from the substrate surface.
  • the sheet guide 6 consists of a closed blow box, the openings for has the discharge of blown air.
  • the blowing direction 10 is on the jacket of the printing cylinder 2 and preferably in the conveying direction 13 into the printing nip (formed by printing cylinders 2 and blanket cylinder 1) directed.
  • the design of the sheet guiding device 6 is executed such that the area facing the pressure gap has a strong curvature and therefore close to the pressure zone.
  • the sheet guiding device 6 is in swivel joints 7 fixed to the frame and pivotable at a defined angle to the lateral surface of the printing cylinder 2 stored.
  • the mode of action is as follows:
  • the sheet-like printing material is transferred from a feeder 18 via a feed table 19 in the conveying direction 13 to a pre-gripper 17, which feeds the printing material to the feed drum 3.
  • the feed drum 3 takes over and accelerates the printing material to machine speed and transfers it to the printing cylinder 2 of the first printing unit 16 in the transfer area.
  • the blowing air emerging from the activated blowing tube 4 in the blowing direction 11 flows approximately counter to the conveying direction 13 and generates a force acting on the printing material.
  • the printing material passes through the ionizer 8, which is potentially disruptive electrostatic charges with dust / powder particles eliminated. By reducing the electrostatic charge an energy balance is restored.
  • the dust or the powder is sucked through the dust removal system 5 from the surface of the printing material and fed to a receptacle.
  • the substrate is on the dedusting system 5 conveyed past, is stretched and passes the sheet guide 6.
  • the sheet guide 6 can be arranged at intervals across the width of the printing cylinder 2 Sheet guide rods or be designed as sheet guide plates.
  • the sheet guide device is preferred 6, however, is designed as a blow box with openings for the exit of the blown air flow.
  • the blown air stream emerges from the blower box in the blowing direction 10 onto the lateral surface of the printing cylinder 2 and preferably also in the direction of the printing zone.
  • the blown air flow directed through corresponding openings on the blanket cylinder 1 be and of the drag flow of the blanket cylinder 1 in the direction of the printing zone stream.
  • the blown air is deflected in the area of the pressure zone and flows against it the conveying direction 13 of the printing material back. This makes the substrate additional led flat onto the printing cylinder 2.
  • the one deflected in front of or in the pressure zone Blown air flow is partially extracted by means of the dedusting system 5.
  • the Sheet guiding device 6 can be pivoted in the swivel joints 7 arranged fixed to the frame.
  • the sheet guiding device is the processing of sheet-shaped substrates with a low basis weight 6 inclined so that the adjacent in the conveying direction 13 of the pressure zone Area a smaller distance from the outer surface of the printing cylinder 2 than that of the Dust removal system 5 has adjacent area.
  • a higher basis weight e.g. rigid materials
  • the substrate is Printing cylinder 2 of the first printing unit 16 to the subsequent transfer drum 15 Pass the pressure zone and continue to the subsequent second printing unit 16 transported.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
EP98101228A 1997-02-15 1998-01-24 Machine rotative à imprimer à feuilles comprenant un système de dépoussiérage avec un dispositif de guidage de feuilles Expired - Lifetime EP0858889B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29702626U DE29702626U1 (de) 1997-02-15 1997-02-15 Entstaubungssystem mit Bogenführungseinrichtung
DE29702626U 1997-02-15

Publications (3)

Publication Number Publication Date
EP0858889A2 true EP0858889A2 (fr) 1998-08-19
EP0858889A3 EP0858889A3 (fr) 1999-03-03
EP0858889B1 EP0858889B1 (fr) 2001-11-07

Family

ID=8035979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98101228A Expired - Lifetime EP0858889B1 (fr) 1997-02-15 1998-01-24 Machine rotative à imprimer à feuilles comprenant un système de dépoussiérage avec un dispositif de guidage de feuilles

Country Status (4)

Country Link
EP (1) EP0858889B1 (fr)
JP (1) JPH10226046A (fr)
AT (1) ATE208268T1 (fr)
DE (2) DE29702626U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004305A1 (de) * 2000-02-01 2001-08-02 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zur Entfernung von Partikeln von Materialbahnen
EP1134081A2 (fr) * 2000-03-11 2001-09-19 MAN Roland Druckmaschinen AG Procédé et dispositif pour guider des feuilles dans une machine à imprimer
US6912942B2 (en) 2000-02-01 2005-07-05 Goss International Montataire S.A. Method and device for removing particles from webs of material

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29702626U1 (de) * 1997-02-15 1997-04-03 MAN Roland Druckmaschinen AG, 63075 Offenbach Entstaubungssystem mit Bogenführungseinrichtung
DE19753068B4 (de) * 1997-11-29 2004-12-09 Man Roland Druckmaschinen Ag Bogenführungseinrichtung in einer Druckmaschine
DE10040519A1 (de) 1999-09-20 2001-03-22 Heidelberger Druckmasch Ag Bogenleiteinrichtung für eine Bogendruckmaschine
DE10248635B4 (de) * 2002-10-18 2010-03-11 Koenig & Bauer Aktiengesellschaft Bogenrotationsdruckmaschine mit einem Entstaubungssystem mit Bogenführungseinrichtung
DE10252377B4 (de) * 2002-11-15 2006-11-09 Man Roland Druckmaschinen Ag Verarbeitungsmaschine mit einer berührungslos arbeitenden Entstaubungsvorrichtung
DE102004051330B4 (de) * 2003-10-31 2006-10-05 Koenig & Bauer Ag Entstaubungsvorrichtung mit einer Bogenleiteinrichtung
DE102005032601A1 (de) * 2005-01-07 2006-07-20 Heidelberger Druckmaschinen Ag Druckmaschine
JPWO2006095582A1 (ja) * 2005-03-08 2008-08-14 コニカミノルタエムジー株式会社 枚葉印刷機及び印刷方法
DE102005028838A1 (de) * 2005-06-25 2007-01-04 Man Roland Druckmaschinen Ag Bogendruckmaschine und Verfahren zum Transportieren von Druckbogen in einer Bogendruckmaschine
DE102014216286A1 (de) * 2014-08-15 2016-02-18 Koenig & Bauer Ag Vorrichtung zum Führen von Bogen in einer Bogenrotationsdruckmaschine
CN111730648B (zh) * 2020-05-17 2022-03-01 广州市威顿彩印有限公司 一种印刷完成后裁剪除尘装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2552725A1 (de) * 1975-11-25 1977-06-02 Herbert Mattle Buerste zur staubentfernung
EP0306684B1 (fr) * 1987-09-11 1992-04-08 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif pour presser une feuille contre le cylindre de contre-pression dans une presse rotative à feuilles pour l'impression en plusieurs couleurs
DE4217813A1 (de) * 1992-05-29 1993-12-02 Heidelberger Druckmasch Ag Vorrichtung zum Erzielen einer flächigen Anlage von Bedruckstoffen
DE4410189A1 (de) * 1994-03-24 1995-09-28 Heidelberger Druckmasch Ag Leiteinrichtung für bewegtes Bogenmatrial in Druckmaschinen
DE19523076A1 (de) * 1995-06-24 1997-01-02 Heidelberger Druckmasch Ag Vorrichtung zur Erzielung einer einwandfreien Auflage eines Bedruckstoffs in einer Druckmaschine
DE29702626U1 (de) * 1997-02-15 1997-04-03 MAN Roland Druckmaschinen AG, 63075 Offenbach Entstaubungssystem mit Bogenführungseinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1240885B (de) * 1963-07-15 1967-05-24 Johannisberg G M B H Maschf Vorrichtung zum Ausstreichen sowie zum Abbuersten und Absaugen des Staubes von der Oberflaeche des zu bedruckenden Papiers an Bogendruckmaschinen, insbesondere Hochdruck-flachformmaschinen
DE1786277A1 (de) * 1968-09-10 1972-01-20 Hans Gruenenfelder Vorrichtung zum elektrostatischen Entladen von laufenden Materialbahnen und deren gleichzeitiger Entstaubung
DD253008A1 (de) * 1986-10-01 1988-01-06 Polygraph Leipzig Einrichtung zur bogenfuehrung in druckmaschinen
DE19523072C2 (de) * 1995-06-24 2003-12-04 Heidelberger Druckmasch Ag Bogenblaseinrichtung für eine Druckmaschine
DE29520375U1 (de) * 1995-12-22 1996-02-15 Kba-Planeta Ag, 01445 Radebeul Einrichtung zum wahlweisen Anstellen von Zusatzeinrichtungen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2552725A1 (de) * 1975-11-25 1977-06-02 Herbert Mattle Buerste zur staubentfernung
EP0306684B1 (fr) * 1987-09-11 1992-04-08 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif pour presser une feuille contre le cylindre de contre-pression dans une presse rotative à feuilles pour l'impression en plusieurs couleurs
DE4217813A1 (de) * 1992-05-29 1993-12-02 Heidelberger Druckmasch Ag Vorrichtung zum Erzielen einer flächigen Anlage von Bedruckstoffen
DE4410189A1 (de) * 1994-03-24 1995-09-28 Heidelberger Druckmasch Ag Leiteinrichtung für bewegtes Bogenmatrial in Druckmaschinen
DE19523076A1 (de) * 1995-06-24 1997-01-02 Heidelberger Druckmasch Ag Vorrichtung zur Erzielung einer einwandfreien Auflage eines Bedruckstoffs in einer Druckmaschine
DE29702626U1 (de) * 1997-02-15 1997-04-03 MAN Roland Druckmaschinen AG, 63075 Offenbach Entstaubungssystem mit Bogenführungseinrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Oberfl{chenbehandlung: Bogen- und Bahnreinigung" PAPIER + KUNSTSTOFF VERARBEITER, Bd. 26, Nr. 1, 1. Januar 1991, Seite 44 XP000201092 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004305A1 (de) * 2000-02-01 2001-08-02 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zur Entfernung von Partikeln von Materialbahnen
US6912942B2 (en) 2000-02-01 2005-07-05 Goss International Montataire S.A. Method and device for removing particles from webs of material
EP1134081A2 (fr) * 2000-03-11 2001-09-19 MAN Roland Druckmaschinen AG Procédé et dispositif pour guider des feuilles dans une machine à imprimer
EP1134081A3 (fr) * 2000-03-11 2004-01-14 MAN Roland Druckmaschinen AG Procédé et dispositif pour guider des feuilles dans une machine à imprimer

Also Published As

Publication number Publication date
EP0858889A3 (fr) 1999-03-03
DE29702626U1 (de) 1997-04-03
DE59802007D1 (de) 2001-12-13
ATE208268T1 (de) 2001-11-15
JPH10226046A (ja) 1998-08-25
EP0858889B1 (fr) 2001-11-07

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