EP0429743A2 - Dispositif de sortie de feuilles - Google Patents

Dispositif de sortie de feuilles Download PDF

Info

Publication number
EP0429743A2
EP0429743A2 EP90101160A EP90101160A EP0429743A2 EP 0429743 A2 EP0429743 A2 EP 0429743A2 EP 90101160 A EP90101160 A EP 90101160A EP 90101160 A EP90101160 A EP 90101160A EP 0429743 A2 EP0429743 A2 EP 0429743A2
Authority
EP
European Patent Office
Prior art keywords
sheet
chain
chains
guide
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.)
Granted
Application number
EP90101160A
Other languages
German (de)
English (en)
Other versions
EP0429743B1 (fr
EP0429743A3 (en
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
Miller Johannisberg Druckmaschinen GmbH
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 Miller Johannisberg Druckmaschinen GmbH, MAN Roland Druckmaschinen AG filed Critical Miller Johannisberg Druckmaschinen GmbH
Priority to AT90101160T priority Critical patent/ATE98199T1/de
Publication of EP0429743A2 publication Critical patent/EP0429743A2/fr
Publication of EP0429743A3 publication Critical patent/EP0429743A3/de
Application granted granted Critical
Publication of EP0429743B1 publication Critical patent/EP0429743B1/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
    • 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 high-stacker, 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 stacked to form a high 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 with their chain guides describing guideways, that run upwards from the input-side deflection guide over the stacking table.
  • Sheet delivery with these features have become known in numerous embodiments. They have in common that the chain guideway runs in a side view in a Z-shape, ie with changes in direction. As an example, reference is made to the sheet delivery according to DE-PS 23 08 025. However, this roughly speaking Z-shaped course of the chain guide track has the disadvantage that the roles of the chain links with each change of direction of the chain guide track with strong noise from the system on the change one, for example the lower chain guide flank, to bear against the other, for example the upper chain guide flank, or vice versa.
  • DE-PS 852 545 which describes a device for holding the fold-up chain boom frame of a sheet-fed printing machine. From the drawing of this publication, one can possibly see a guideway 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. However, these sections only extend to about a third of the total chain guideways in order to compensate for a small height difference and then change the direction to a straight horizontal, which also results in a change in direction there in a straight line, and the chain rollers that are required according to the invention on a single 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 noticeably 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 (impression cylinder) of the previous machine to the stacking table as evenly as possible and without fluttering, which is the most important prerequisite for higher delivery rates per unit of time.
  • the invention is characterized in that the upper and lower chain guideway between the respective transfer points describe curves at their deflection guides, each of which has a constant sense of curvature over its entire course, and in that a tensioning device is provided which all chain links with their rollers presses over the entire guideways on one and the same guiding 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 therefore 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 in the embodiment shown forms the rear deflection guide for the chains.
  • 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 over 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 again located within it.
  • the gripper fields 7 are fastened to the chains 5 with special link plates 15, which in the exemplary embodiment have two normal pitches 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 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)
  • Vending Machines For Individual Products (AREA)
  • Seal Device For Vehicle (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP90101160A 1989-11-28 1990-01-20 Dispositif de sortie de feuilles Expired - Lifetime EP0429743B1 (fr)

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 (fr) 1989-11-28 1989-11-28
DE3939250 1989-11-28

Publications (3)

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

Family

ID=6394312

Family Applications (1)

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

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1004438A1 (fr) * 1998-11-18 2000-05-31 MAN Roland Druckmaschinen AG Corps de pinces en profil creux

Families Citing this family (14)

* 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
EP1110891A3 (fr) * 1999-12-20 2002-09-18 Heidelberger Druckmaschinen Aktiengesellschaft Machine de traitement de matériaux imprimés plats
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
ATE403622T1 (de) * 2004-04-22 2008-08-15 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1041321A (fr) * 1950-08-26 1953-10-22 Maschf Augsburg Nuernberg Ag Dispositif d'empilage des feuilles pour presses à imprimer
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
FR2179386A5 (fr) * 1972-03-14 1973-11-16 Bobst Fils Sa J
EP0128367A2 (fr) * 1983-06-09 1984-12-19 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de tension de la chaîne sans fin d'un dispositif de sortie d'une machine à imprimer

Family Cites Families (12)

* 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 (fr) * 1950-05-20
US2969870A (en) * 1957-07-09 1961-01-31 Velten & Pulver Conveyor construction
DE2157993C2 (de) * 1971-11-23 1974-01-31 Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Vorrichtung zum Transport von Bogen in einer Bogendruckmaschine
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
DE3502663C1 (de) * 1985-01-26 1986-06-05 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Kettenfoerderer fuer den Ausleger von Druckmaschinen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1041321A (fr) * 1950-08-26 1953-10-22 Maschf Augsburg Nuernberg Ag Dispositif d'empilage des feuilles pour presses à imprimer
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
FR2179386A5 (fr) * 1972-03-14 1973-11-16 Bobst Fils Sa J
EP0128367A2 (fr) * 1983-06-09 1984-12-19 Heidelberger Druckmaschinen Aktiengesellschaft Dispositif de tension de la chaîne sans fin d'un dispositif de sortie d'une machine à imprimer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1004438A1 (fr) * 1998-11-18 2000-05-31 MAN Roland Druckmaschinen AG Corps de pinces en profil creux

Also Published As

Publication number Publication date
ES2047718T3 (es) 1994-03-01
EP0429743B1 (fr) 1993-12-08
DE59003789D1 (de) 1994-01-20
DE3939250C1 (fr) 1990-12-13
JPH03172268A (ja) 1991-07-25
CA2018402A1 (fr) 1991-05-28
CS9001002A2 (en) 1991-08-13
US5056773A (en) 1991-10-15
EP0429743A3 (en) 1991-08-21
CZ283379B6 (cs) 1998-04-15
ATE98199T1 (de) 1993-12-15
DD298760A5 (de) 1992-03-12

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