EP0429743B1 - Bogenausleger - Google Patents

Bogenausleger Download PDF

Info

Publication number
EP0429743B1
EP0429743B1 EP90101160A EP90101160A EP0429743B1 EP 0429743 B1 EP0429743 B1 EP 0429743B1 EP 90101160 A EP90101160 A EP 90101160A EP 90101160 A EP90101160 A EP 90101160A EP 0429743 B1 EP0429743 B1 EP 0429743B1
Authority
EP
European Patent Office
Prior art keywords
sheet
chain
guide
chains
guides
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
EP90101160A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0429743A3 (en
EP0429743A2 (de
Inventor
Willi Weisgerber
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
Priority to AT90101160T priority Critical patent/ATE98199T1/de
Publication of EP0429743A2 publication Critical patent/EP0429743A2/de
Publication of EP0429743A3 publication Critical patent/EP0429743A3/de
Application granted granted Critical
Publication of EP0429743B1 publication Critical patent/EP0429743B1/de
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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/041—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands and introducing into a pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/30—Chains
    • B65H2404/34—Gripper bars bridging at least two chains running synchronously and parallely
    • B65H2404/342—Details of guiding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a sheet delivery of a sheet-processing machine, in particular a sheet-fed printing machine with a stacking tray, preferably with a stacking tray, in which the sheets are removed from a cylinder of the machine with the aid of controlled gripper fields and conveyed to a stacking table, on which they are deposited and are stacked into a stack, the mutually parallel and spaced gripper fields being fastened at their ends on both sides to circumferential chains which run in chain guides with upper and lower guide flanks, the chains being guided on deflection guides on the input and output sides of the sheet delivery and the chains together their chain guides describe guideways that run from the input-side deflecting guide upwards over the stacking table and the upper and lower chain guideways have curves between the respective transfer points on their deflecting guides write.
  • Another disadvantage is that the mentioned changes in direction of the chains in the Z-shaped chain guide tracks lead to a wave-like, flag-fluttering movement of the sheets transported by the gripper fields, which is also disadvantageous and performance-inhibiting in sheet conveying and perfect stacking, especially when printed on both sides are, because it can also lead to undesirable smearing of the still fresh printing inks on the sheet guides.
  • DE-PS 852 545 which describes a device for holding the fold-up chain boom frame of a sheet-fed printing machine.
  • the drawing of this publication may possibly show a guide path of the chain guides, which is not mentioned there in the text, but which has short sections with a constant, upwardly curved sense of curvature.
  • these sections only extend to about a third of the total chain guideways in order to compensate for a small difference in height and then change the direction to a straight horizontal, which also results in a change of direction there in a straight line, and the constraint of the chain rollers on a and the same leading edge is not possible despite chain tension and tensile forces.
  • the object of the invention is to design it in such a way that the service life of the chain links and components, and in particular the chain guides that work with them, is appreciably increased, and the noise level should also be noticeably reduced during operation, in particular after a longer operating time, and higher operating speeds should be possible.
  • the sheets should also be able to be conveyed from the cylinder (pressure cylinder) of the previous machine to the stacking table as evenly and without fluttering, which is the most important prerequisite for higher conveying capacity per unit of time.
  • the invention is characterized in that the curves each have a constant sense of curvature over their entire course and in that a tensioning device is provided which presses all chain links with their rollers over the entire guideways onto one and the same guide flank of the chain guideway in question.
  • the chain guideways described are thus guided over the entire route without changes in direction, thereby avoiding the disadvantages described. This ensures that the rollers of the chains run with one-sided play between the flanks of their upper and lower chain guide.
  • the upper chain guide flanks thus only serve to prevent the chains and gripper fields from flying out in the event of external interference.
  • a sheet guide plate is provided at a short distance below the lower chain guide track and parallel to it, which extends approximately to the front edge of the stacking table.
  • the invention is described in the following using the example of a sheet-fed printing machine with a high-stacker. However, it is generally applicable to sheet-processing machines, which preferably have a high-stacker, because here the problems that occur in the prior art and described above are most serious. Possibly. However, the invention can also be used successfully in sheet-processing machines of this type with flat stacking.
  • sheets printed on one side or possibly also on both sides are removed from a printing cylinder 1 which rotates in the direction of arrow 2 and transferred to a front deflection guide of a sheet delivery.
  • the front deflection guide is formed by a deflection sprocket pair 3.
  • deflection guides are also known and possible.
  • the chain wheels of the chain wheel pair 3 rotate in the direction of arrow 4.
  • Chains 5 are placed over the front sprocket pair 3 and over a corresponding rear sprocket pair 6, which forms the rear deflection guide for the chains in the exemplary embodiment shown.
  • several gripper fields 7 are fastened to the chains. Such a gripper field is explained in more detail below with reference to FIG. 2. With the controlled gripper fields, the sheets are removed from the printing cylinder 1 and released via a stacking table 9, so that they are deposited on the deposit table and form a sheet stack 10.
  • the chain 5 consists of link plates 11 of normal pitch, rollers 12, sleeves 13 located therein and chain pins 14 located inside of them again are long.
  • the gripper field has gripper supports 16, a plurality of grippers 17 and a torsion spring 18 closing the grippers 17 across the format width of the sheet delivery.
  • the grippers 17 are actuated at the point where a sheet is to be removed from the machine and at the point where the sheet is to be deposited over the deposit table 9, by means of a lever 20 of a roller 21, which in turn is supported by a fixed, in many cases, however, an adjustable gripper opening curve is actuated.
  • Fig. 1 are also a front transfer point 22 between the front pair of sprockets 3 and the upper run of the Chains 5 are shown and a rear transfer point 23 between the rear sprocket pair 6 and also the upper run of the revolving chains 5.
  • a further transfer point 24 is drawn in FIG. 1 between the front sprocket pair 3 and the lower run of the revolving chains 5 and a rear one Transfer point 25 between the rear pair of chain wheels 6 and the lower run of the circulating chains 5.
  • a tensioning device 28 is provided which always keeps the chains under tension.
  • a compression spring 29 is provided, which tries to press the rear sprocket pairs 6 in the direction of arrow 30 and thereby tensions the chains so that the rollers of all chain links in the entire area of the described chain guideways of the upper and lower run to the same, namely the lower guide flank 35 of the chain guides are pressed. This ensures that the direction of rotation of the rollers does not change. This results in a particularly soft and gentle running of the chains together with their gripper fields, which have a tangible mass.
  • the spring 29 works against a fixed abutment 31.
  • a sheet guide plate 32 is indicated in FIG. 1, which extends below the front pair of sprockets and approximately to the stack 10.
  • chain guides 33 The guidance of the chains 5 in the curves described is achieved by chain guides 33, the construction of which can be seen in detail in FIG. 3.
  • These chain guides are C-profiles, which thereby form an upper chain guide flank 34 and a lower chain guide flank 35.
  • the chains run with their chain rollers 12 in the openings of these C profiles with always one-sided play on the upper guide flank 34.
  • the upper chain guideway between the transfer points 22, 23 and the lower chain guideway between the transfer points 24, 25 describe curves which have a constant sense of curvature over their entire course.
  • the sheet guide plate 32 smoothes out the transport of these sheets by means of the air cushion between them and the conveyed sheets, without these fluttering.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Vending Machines For Individual Products (AREA)
  • Seal Device For Vehicle (AREA)
EP90101160A 1989-11-28 1990-01-20 Bogenausleger Expired - Lifetime EP0429743B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90101160T ATE98199T1 (de) 1989-11-28 1990-01-20 Bogenausleger.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3939250A DE3939250C1 (cs) 1989-11-28 1989-11-28
DE3939250 1989-11-28

Publications (3)

Publication Number Publication Date
EP0429743A2 EP0429743A2 (de) 1991-06-05
EP0429743A3 EP0429743A3 (en) 1991-08-21
EP0429743B1 true EP0429743B1 (de) 1993-12-08

Family

ID=6394312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101160A Expired - Lifetime EP0429743B1 (de) 1989-11-28 1990-01-20 Bogenausleger

Country Status (9)

Country Link
US (1) US5056773A (cs)
EP (1) EP0429743B1 (cs)
JP (1) JPH03172268A (cs)
AT (1) ATE98199T1 (cs)
CA (1) CA2018402A1 (cs)
CZ (1) CZ283379B6 (cs)
DD (1) DD298760A5 (cs)
DE (2) DE3939250C1 (cs)
ES (1) ES2047718T3 (cs)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5275096A (en) * 1992-08-12 1994-01-04 Epic Products International Corp. Apparatus for high speed calendering
DE19513420A1 (de) * 1995-04-08 1996-10-10 Heidelberger Druckmasch Ag Kettentrieb
DE19525635C2 (de) * 1995-07-14 1998-01-29 Heidelberger Druckmasch Ag Vorrichtung zur Bogenauslage in einer Bogendruckmaschine
DE19527439C2 (de) * 1995-07-27 2002-10-24 Heidelberger Druckmasch Ag Greiferbrücke für Ausleger von Druckmaschinen
DE19924996A1 (de) 1998-06-26 1999-12-30 Heidelberger Druckmasch Ag Kettenförderer für eine Bogen verarbeitende Druckmaschine
DE29820660U1 (de) * 1998-11-18 1999-02-11 MAN Roland Druckmaschinen AG, 63075 Offenbach Hohlprofilierter Greifersystemkörper
EP1110891A3 (de) * 1999-12-20 2002-09-18 Heidelberger Druckmaschinen Aktiengesellschaft Flächige Bedruckstoffe verarbeitende Maschine
US7329221B2 (en) * 2003-09-30 2008-02-12 Fpna Acquisition Corporation Assembly for and method of gripping sheets of material in an interfolder
DE10358171A1 (de) * 2003-12-12 2005-07-07 Heidelberger Druckmaschinen Ag Vorrichtung zum Fördern eines Bogens durch eine drucktechnische Maschine
DE602005008728D1 (de) * 2004-04-22 2008-09-18 Kba Giori Sa Zuführeinheit für bogendruck- oder -verarbeitungsmaschinen
US7597319B2 (en) * 2005-05-20 2009-10-06 Hewlett-Packard Development Company, L.P. Sheet handling using a ramp and grippers on an endless belt
DE102006056499B3 (de) * 2006-11-30 2008-01-24 Man Roland Druckmaschinen Ag Fördereinrichtung für Bogenmaterial in einer Verarbeitungsmaschine
DE102008011052C5 (de) * 2007-03-22 2019-08-01 Heidelberger Druckmaschinen Ag Vorrichtung zum Transport von Bogen mittels einer kettengetriebenen Greiferbrücke
JP2009073630A (ja) * 2007-09-20 2009-04-09 Mitsubishi Heavy Ind Ltd シート搬送装置および印刷機
DE102009000219A1 (de) 2009-01-14 2010-07-15 Koenig & Bauer Aktiengesellschaft Auslage einer bogenverarbeitenden Maschine mit einem Bogenfördersystem zum Übernehmen der Bogen von einem Bogenführungszylinder

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE727890C (de) * 1940-11-22 1942-11-14 Stahl R Fa Spannvorrichtung fuer Fahrtreppen mit untenliegendem Antrieb
US2414164A (en) * 1945-03-03 1947-01-14 Middleby Marshall Oven Company Conveyer
NL84419C (cs) * 1950-05-20
FR1041321A (fr) * 1950-08-26 1953-10-22 Maschf Augsburg Nuernberg Ag Dispositif d'empilage des feuilles pour presses à imprimer
US2969870A (en) * 1957-07-09 1961-01-31 Velten & Pulver Conveyor construction
FR1426449A (fr) * 1965-01-22 1966-01-28 Druckmaschinenwerk Victoria Ve Dispositif pour le levage de feuilles imprimées sur des presses à grande vitesse, en particulier des machines à cylindres d'arrêt
DE2157993C2 (de) * 1971-11-23 1974-01-31 Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Vorrichtung zum Transport von Bogen in einer Bogendruckmaschine
CH548855A (fr) * 1972-03-14 1974-05-15 Bobst Fils Sa J Presse a platines pour le travail de matiere en feuilles.
DE2308025C3 (de) * 1973-02-19 1980-12-04 Western Gear Corp., Pittsburgh, Pa. (V.St.A.) Bogenausleger für eine Bogendruckmaschine
DE2544566C3 (de) * 1975-10-04 1984-11-15 Miller Printing Equipment Corp., Pittsburgh, Pa. Bogenausleger für Bogendruckmaschinen
DE2552998C2 (de) * 1975-11-26 1983-11-10 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogenausleger für Rotationsdruckmaschinen
JPS5810341B2 (ja) * 1979-01-31 1983-02-25 アキヤマ印刷機製造株式会社 枚葉オフセツト印刷機の排紙装置
DE3113750A1 (de) * 1981-04-04 1982-10-14 Heidelberger Druckmaschinen Ag, 6900 Heidelberg "bogenausleger fuer rotationsdruckmaschinen mit an endlosen ketten umlaufenden greiferbruecken"
DD210667A1 (de) * 1982-10-05 1984-06-20 Polygraph Leipzig Leiteinrichtung in bogenauslegern
DE3407536A1 (de) * 1983-06-09 1984-12-13 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zum nachspannen einer endlosen auslegerkette am ausleger einer druckmaschine
DE3502663C1 (de) * 1985-01-26 1986-06-05 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Kettenfoerderer fuer den Ausleger von Druckmaschinen

Also Published As

Publication number Publication date
DD298760A5 (de) 1992-03-12
CS9001002A2 (en) 1991-08-13
ES2047718T3 (es) 1994-03-01
DE3939250C1 (cs) 1990-12-13
CZ283379B6 (cs) 1998-04-15
DE59003789D1 (de) 1994-01-20
JPH03172268A (ja) 1991-07-25
CA2018402A1 (en) 1991-05-28
EP0429743A3 (en) 1991-08-21
EP0429743A2 (de) 1991-06-05
ATE98199T1 (de) 1993-12-15
US5056773A (en) 1991-10-15

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