EP0822154A2 - Dispositif pour alimenter des feuilles vers une machine à imprimer - Google Patents

Dispositif pour alimenter des feuilles vers une machine à imprimer Download PDF

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Publication number
EP0822154A2
EP0822154A2 EP97112389A EP97112389A EP0822154A2 EP 0822154 A2 EP0822154 A2 EP 0822154A2 EP 97112389 A EP97112389 A EP 97112389A EP 97112389 A EP97112389 A EP 97112389A EP 0822154 A2 EP0822154 A2 EP 0822154A2
Authority
EP
European Patent Office
Prior art keywords
sheet
suction
crossmember
air
openings
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
EP97112389A
Other languages
German (de)
English (en)
Other versions
EP0822154B1 (fr
EP0822154A3 (fr
Inventor
Reinhard Rückert
Peter Klein
Ulrich Dr.-Ing. Jung
Thomas Walther
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 EP0822154A2 publication Critical patent/EP0822154A2/fr
Publication of EP0822154A3 publication Critical patent/EP0822154A3/fr
Application granted granted Critical
Publication of EP0822154B1 publication Critical patent/EP0822154B1/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
    • B65H3/00—Separating articles from piles
    • B65H3/36—Separating articles from piles by separators moved in special paths, e.g. enclosing an area
    • B65H3/38—Separating articles from piles by separators moved in special paths, e.g. enclosing an area the paths not enclosing an area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H11/00—Feed tables

Definitions

  • the invention relates to a device for guiding sheet-shaped printing materials to sheet-processing machines according to the preamble of the claim 1.
  • the printing material etc. is separated from a stack and in usually in shingled form of the printing press or other sheet processing Machine fed.
  • the arches to Transport equipment of the respective machine can cause the peelable and accelerated sheets the remaining and new aligned bow influenced. Therefore, funds have already been earmarked for to calm or influence the bows in the area of the so-called bow system in general.
  • US-PS 2 160 906 is a device for sheet feeding and alignment known. It has various aids in the area of the arch system, which are used to safely secure the incoming shingled sheets separate, remove and at the same time align the new ones safely can.
  • cover elements are nestled above the Sheet conveyor table arranged.
  • suction rolls arranged above the sheet feeding table. By means of these elements the sheet can move as it is withdrawn from the sheet feed table be better managed.
  • the devices mentioned also partially serve to to lift the arch from the conveyor table so that the following arch is better connected to the Front and side registration marks can be listed.
  • the object of the invention is a device according to the preamble of the claim 1 so that the sheet over its entire width at Transfer from a feeder e.g. a sheet feed table into the machine kept smooth according to the operating needs and exactly the machine can be fed in such a way that its influence on the subsequent sheet is eliminated becomes.
  • a feeder e.g. a sheet feed table into the machine kept smooth according to the operating needs and exactly the machine can be fed in such a way that its influence on the subsequent sheet is eliminated becomes.
  • the solution to this problem is based on the characterizing part of the patent claim 1.
  • the different solution variants offer one To provide guide device extending over the entire sheet width. This can operate on different substrate thicknesses through different modes of operation and types of substrates can be set. Here is a simple Remote control possible.
  • the device is easy to Can be upgraded to clean the sheets to be fed.
  • the device also take over the function of protection against foreign bodies or the Serve to remove dust from the substrate.
  • Fig. 1 is the overview of the investment area of a sheet processing Machine shown.
  • a shingled arch flow that is on guided a sheet feed table 1 is not shown.
  • a bow B is indicated as having just been removed.
  • the sheets are placed over the sheet feed table 1 led against front marks 2.
  • These front marks 2 align the Sheets so that they are from a transfer device, e.g. a forerunner a plant drum 3 only indicated here can be performed. From there they are then in a first printing unit or a processing device transferred.
  • a side alignment mark 4 provided that aligns the sheet B in its lateral position when it is on the front marks 2 abuts.
  • a blowing device in the sheet guide table 1 5 provided in a known manner with the help of the blowing suction effect aligns the sheets with the front marks 2 and holds them there.
  • a suction traverse 6 is arranged above of the sheet guide table 1.
  • the suction traverse 6 consists of a hollow body that extends across the entire width of the sheet feed table 1 is enough.
  • the suction traverse 6 is as Square tube designed and with a side edge close to the sheet guide table 1 arranged. In the area of this side edge are suction openings 7 in the Suction cross member 6 provided.
  • the suction crossbar is superimposed on a contour that is conventional for the Guide the sheet B used guide rollers 11 represents.
  • These leadership roles 11 hold the sheet B down against the sheet guide table 1 and pull it can be recognized by the edge of the front marks 2.
  • Further guide rollers 12 are arranged on the front marks 2 and there lead the sheet B.
  • the suction traverse 6 only holds the arch with its suction surface 5 in the raised state a little above the following sheet so that the one to be removed Arch B can stretch and be guided straight and level.
  • the sheet is just as far from its guide surface on the sheet guide table 1 or the subsequent sheet lying on it, so that this follow-up sheet without adhering to sheet B against the front marks 2 can be.
  • the embodiment of the suction traverse 6 is shown in more detail in Figure 2.
  • the underside of the suction traverse 6 is provided with a guide surface 10 which extends from the suction openings 7 against the direction of sheet travel.
  • An air connection 13 is attached to the top of the suction traverse 6 with respect to FIG the longitudinal extent of the suction traverse 6 is arranged centrally. Distributed through this the air to both sides of the suction traverse 6, ie. also across the width of the Machine evenly, so that the sheet B even over the entire width is held.
  • a suction air flow passed through the suction traverse 6, so that the sheet B against the suction openings 7 is sucked.
  • a blown air stream can emerge through the openings 7, which on the Top of the sheet to be fed acts when the sheet to be processed do not tend to stick together.
  • This blown air flow can only be intermittent are used to keep the suction openings 7 free of contamination.
  • the suction openings 7 as blowing nozzles the so-called blow-suction effect can be used.
  • they are Arrange blow nozzles in such a way that they are at an oblique angle from the traverse 6 blow out against the sheet running direction of sheet B and in doing so Generate a vacuum near their outflow opening.
  • the bow B on the one hand streaked in the direction of its end on the sheet guide table 1 and also sucked against the cross member 6 at the same time.
  • Fig. 3 a variant of the device according to the invention is shown, which as Suction cross member 8 can be seen.
  • the cross section is triangular and the sheet guiding surface 10 is arranged horizontally.
  • Openings 9 indicated.
  • the air distribution or pressure distribution within the crossbar 8 is symmetrical.
  • the space above the arch system is then free of air supply.
  • This traverse 8 can also with blown air or Suction air can be operated.
  • the openings 9 as so-called Blow-suction nozzles are executed.
  • suction crossmember 6, 8 as a so-called Vacuum cleaner brush is formed.
  • suction crossmember 6, 8 brush-like elements are attached, which are the to be processed Strip sheet B before entering the machine.
  • Suction traverse 6, 8 to operate with suction air, so that of the incoming Bow stripped dust can be vacuumed.
  • openings 7, 9 are large enough to hold the dust particles to be able to vacuum safely.
  • the suction traverses 6, 8 are attached laterally in such a way that their height is above of the sheet guide table 1 are adjustable. This is required in order to To ensure function even with sheets of different thickness. In the same It is possible to make the attachment controllable in such a way that the Suction cross member 6, 8 clocked raised and lowered. It can the sliding surface 14 leading the sheet B both parallel and around a small one Angle swiveling to optimally guide the arch B when pulling off respectively.
  • sheets B are influenced as follows:
  • a sheet 8 arrives at the front marks 2 and is there and by means of the side mark 4 aligned. Then he is attacked by a predecessor or another Accelerator detected and deducted. By acceleration there is a retroactive effect on the following sheet. Therefore, when the follow-up sheet The suction air or Blown air on the suction traverse 6, 8 switched on. The bow B is now in the area sucked about its second half in the direction of travel against the suction traverse 6, 8 and thus lifted off from the following sheet. At the same time, the bow B with a holding force against the sheet running direction kept taut and spread. At the At the end of arc B, the suction air is switched off again or by a Blown air blast reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Advancing Webs (AREA)
EP97112389A 1996-08-02 1997-07-18 Dispositif pour alimenter des feuilles vers une machine à imprimer Expired - Lifetime EP0822154B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19631175A DE19631175C1 (de) 1996-08-02 1996-08-02 Vorrichtung zur Bogenzufuhr zu einer Druckmaschine
DE19631175 1996-08-02

Publications (3)

Publication Number Publication Date
EP0822154A2 true EP0822154A2 (fr) 1998-02-04
EP0822154A3 EP0822154A3 (fr) 1998-10-07
EP0822154B1 EP0822154B1 (fr) 2000-05-10

Family

ID=7801556

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97112389A Expired - Lifetime EP0822154B1 (fr) 1996-08-02 1997-07-18 Dispositif pour alimenter des feuilles vers une machine à imprimer

Country Status (4)

Country Link
EP (1) EP0822154B1 (fr)
JP (1) JP2944965B2 (fr)
AT (1) ATE192719T1 (fr)
DE (2) DE19631175C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1621495A1 (fr) * 2004-07-29 2006-02-01 König & Bauer AG Dispositif de guidage de feuilles pour une table de marge

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10240734B4 (de) * 2001-08-31 2007-03-29 LTG Mailänder GmbH & Co. KG Verfahren und Vorrichtung zur Verhinderung einer Beschädigung oder Verhakung von tafelförmigen Flachmaterialien
DE102005001375A1 (de) * 2005-01-12 2006-07-20 Man Roland Druckmaschinen Ag Leitvorrichtung
DE102008032684B4 (de) 2008-07-04 2023-07-20 Kba-Metalprint Gmbh Blechtafel-Saugvorrichtung zum Transport von Blechtafeln in eine Blechdruckmaschine oder Blechlackiermaschine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2160906A (en) 1936-01-23 1939-06-06 Faber & Schleicher A G Sheet feeding and registering device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE519519C (de) * 1931-02-28 Kleim & Ungerer Zufuehr- oder Anlegetisch fuer Schnellpressen, Rotationsdruckmaschinen, Zweitouren-msschinen, Tiefdruck- und Gummidruckmaschinen sowie Falzmaschinen
DE739377C (de) * 1938-05-20 1943-09-25 Planeta Druckmaschinenwerk Ag Verfahren zum passgerechten Ausrichten und Anlegen von Bogen an umlaufende Zylinder, insbesondere von Druckmaschinen
JPS638161A (ja) * 1986-06-24 1988-01-13 Canon Inc 記録シ−トの保持方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2160906A (en) 1936-01-23 1939-06-06 Faber & Schleicher A G Sheet feeding and registering device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1621495A1 (fr) * 2004-07-29 2006-02-01 König & Bauer AG Dispositif de guidage de feuilles pour une table de marge

Also Published As

Publication number Publication date
JP2944965B2 (ja) 1999-09-06
JPH1076633A (ja) 1998-03-24
EP0822154B1 (fr) 2000-05-10
ATE192719T1 (de) 2000-05-15
EP0822154A3 (fr) 1998-10-07
DE59701627D1 (de) 2000-06-15
DE19631175C1 (de) 1998-01-29

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