EP0129718B1 - Vorrichtung zur Entnahme von bedruckten Bogen für deren Begutachtung - Google Patents

Vorrichtung zur Entnahme von bedruckten Bogen für deren Begutachtung Download PDF

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Publication number
EP0129718B1
EP0129718B1 EP84105872A EP84105872A EP0129718B1 EP 0129718 B1 EP0129718 B1 EP 0129718B1 EP 84105872 A EP84105872 A EP 84105872A EP 84105872 A EP84105872 A EP 84105872A EP 0129718 B1 EP0129718 B1 EP 0129718B1
Authority
EP
European Patent Office
Prior art keywords
gripper
cam
opening
sheet
opening cam
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
Application number
EP84105872A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0129718A1 (de
Inventor
Arno Wirz
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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
Priority claimed from DE3322342A external-priority patent/DE3322342C1/de
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Priority to DE8585113162T priority Critical patent/DE3468402D1/de
Publication of EP0129718A1 publication Critical patent/EP0129718A1/de
Application granted granted Critical
Publication of EP0129718B1 publication Critical patent/EP0129718B1/de
Expired 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
    • B65H29/58—Article switches or diverters
    • B65H29/585—Article switches or diverters taking samples from the main stream

Definitions

  • the invention relates to a device for removing printed sheets for their assessment or rejection from the delivery of a sheet-fed rotary printing press according to the preamble of claim 1.
  • a common method for removing a printed sheet for its inspection is that the sheet is pulled out by hand at the right moment after the front sheet stops have been folded down and the sheet stops are quickly folded up again when the machine is running.
  • GB-PS-782 298 should first be mentioned as the state of the art in printed form, which contains an auxiliary device for supporting the above-described manual activity. Folding down the front sheet stops creates a sheet sliding surface over which the sample sheet is to be conveyed outwards.
  • the functionality of this device generally requires a relatively late opening of the chain gripper, which is not feasible at today's very high printing speeds if it is to be ensured in normal operation that the sheet to be stacked is stored cleanly and flat and an inexact stacking edge as a result of rebounding of the bow stops must not occur.
  • a similar device is described in DE-PS-394 052.
  • the printed sheet is removed there by overriding the gripper opening curve, so that the sheet is only released later by a second gripper opening curve.
  • the overriding of the gripper opening curve which acts in normal pressure operation, is carried out by relatively complicated lateral adjustment of the same, as is the continuation of the printed sheet after its delayed release by the chain gripper, which is fed to a clipboard in a rather uncontrolled manner from where it can then be removed.
  • US Pat. No. 3,191,928 likewise shows a sample sheet removal device in which two successive gripper opening curves are provided, the former being able to be brought into and out of function by pivoting.
  • the advantages of the devices according to the invention are, in particular, their extremely simple usability. For example, to remove a single test sheet, it is sufficient to pull out the handle only briefly in the embodiment according to FIGS. 1-3 in order to align the gripper opening curve with the rotating control curve. After this test sheet has been issued, the gripper opening curve automatically returns to its original position.
  • the number of sheets to be output can be predetermined by the electromechanical actuation of the pawl mechanism via a correspondingly controlled selector switch. There, too, the pivoted gripper opening curve returns to its original position after the predetermined number of sheets have been output.
  • the common advantage of all versions is that the machine operator at the location of the sheet output, i. H. stay in the rear, front area of the delivery arm and, for example, operate the handle or selector switch with one hand, while the other hand can receive the sheet conveyed outwards by the transport device.
  • An additional delivery stacking device is not required.
  • FIG. 1 and 2 show the rear part of the structure of the bow extractor.
  • the rear sprockets 4, 5 are rotatably mounted on the shaft 3, on which the gripper chains 6, 9 run, which are provided at appropriate intervals with gripper rows 7, which feed the paper sheet 8 to the stack 45.
  • two support disks 10, 11 are mounted on the shaft 3, which support the sheet guiding, in particular when removing the printed sheet according to FIG. 3. Front sheet stops 12 continue to ensure a clean stack formation.
  • a pivot lever 14 is rotatably mounted on one of the side walls 2 at the articulation point 13.
  • This pivot lever 14 carries, held by two retaining screws 15, a cam lever 16, which is equipped with the gripper opening curve 17, on which the cam roller 18 of the gripper row 7 rolls during the sheet delivery for stack formation and thus causes the gripper opening.
  • a cam roller 19 is also rotatably mounted thereon, but this has no function in the stack-forming sheet delivery.
  • the end protruding from the boom or the end region of the side wall 2 locking lever 22 provided with a handle 23 is held and guided by a bearing block 24 fastened to the side wall 2 and is further held in the position shown in FIG. 1 by the compression spring 25.
  • Fig. 3 finally shows the sheet removal device in the position set for it.
  • the locking lever 22 is manually pulled backwards against the spring force of the compression spring 25, so that the cam lever 16 or the cam roller 19 attached to it can engage under the action of the compression spring 21 on the cam 26 connected to the shaft 3 in a rotationally fixed manner.
  • the phase position of the control cam 26 is selected so that when it passes the gripper row 7, its cam roller 18 does not come into contact with the gripper opening curve 17 and the arch 8 is therefore not released. This is therefore transported on until the cam roller 18 comes into contact with a further gripper opening curve 27 which is attached in a stationary manner.
  • the then initiated opening of the gripper row 7 releases the sheet, which now runs into a guide channel 28 attached to the rear end of the boom and is guided from there to the outside.
  • the forwarding of the sheet of paper 8 to be dispensed is ensured by means of pressure springs 29 with spring-mounted transport rollers 30 which are supported on the support disks 10, 11.
  • FIG 4 shows an embodiment of the device according to the invention which is similar to the previously described embodiment.
  • the main difference is that the introduction and execution of the printing sheet removal is not manual, but electromechanical.
  • the locking lever 31 or its position is determined by a magnetic switch 33 acting on its lower pivot point 32.
  • the locking lever 31 is pivoted against the cam lever 16 due to the spring force of the compression spring 48 when the magnetic switch 33 is not activated, and fixes it so that the gripper opening curve 17 attached to it can take effect.
  • a selector switch 34 is provided on the front area of the side wall 2, via which a simple sheet removal or via z.
  • B. timing relays or counter switches can also be initiated a numerical multi-sheet removal.
  • a counting unit 35 can scan the control cam 26 with a feeler roller 36 and thus count its revolutions or the printed sheets 8 that are output.
  • a small overstroke 46 provided on the control cam 26 in both embodiments enables the locking lever 22, 31 to be snapped into the basic position at the appropriate point in time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Pile Receivers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP84105872A 1983-06-22 1984-05-23 Vorrichtung zur Entnahme von bedruckten Bogen für deren Begutachtung Expired EP0129718B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8585113162T DE3468402D1 (en) 1983-06-22 1984-05-23 Apparatus for removing printed sheets for inspection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3322342A DE3322342C1 (de) 1983-06-22 1983-06-22 Vorrichtung zur Entnahme von bedruckten Bogen für deren Begutachtung
DE3322342 1983-06-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP85113162.3 Division-Into 1984-05-23

Publications (2)

Publication Number Publication Date
EP0129718A1 EP0129718A1 (de) 1985-01-02
EP0129718B1 true EP0129718B1 (de) 1986-09-10

Family

ID=6202006

Family Applications (2)

Application Number Title Priority Date Filing Date
EP84105872A Expired EP0129718B1 (de) 1983-06-22 1984-05-23 Vorrichtung zur Entnahme von bedruckten Bogen für deren Begutachtung
EP85113162A Expired EP0180827B1 (de) 1983-06-22 1984-05-23 Vorrichtung zur Entnahme von bedruckten Bogen für deren Begutachtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP85113162A Expired EP0180827B1 (de) 1983-06-22 1984-05-23 Vorrichtung zur Entnahme von bedruckten Bogen für deren Begutachtung

Country Status (6)

Country Link
US (1) US4582316A (enrdf_load_stackoverflow)
EP (2) EP0129718B1 (enrdf_load_stackoverflow)
JP (2) JPS6015345A (enrdf_load_stackoverflow)
AT (1) AT393997B (enrdf_load_stackoverflow)
CA (1) CA1253529A (enrdf_load_stackoverflow)
DE (2) DE3460683D1 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0527388Y2 (enrdf_load_stackoverflow) * 1984-12-28 1993-07-13
DE3626937A1 (de) * 1986-08-08 1988-02-18 Koenig & Bauer Ag Einrichtung zur entnahme von bedruckten bogen aus bogenrotationsdruckmaschinen
DE4209354C2 (de) * 1992-03-23 1995-06-01 Heidelberger Druckmasch Ag Vorrichtung zur Greifersteuerung in einem Kettenausleger einer Bogendruckmaschine
DE4335230C2 (de) * 1993-10-15 1996-03-14 Heidelberger Druckmasch Ag Einstellvorrichtung für eine Greiferöffnungskurve in einem Kettenausleger einer Bogendruckmaschine
DE19519374C2 (de) * 1995-05-26 1999-11-18 Heidelberger Druckmasch Ag Vorrichtung zur automatischen Bogenaussonderung im Ausleger einer Bogenrotationsdruckmaschine
US5927712A (en) * 1996-11-12 1999-07-27 Heidelberg Harris Sample signature delivery having alternate transport path away from deceleration device
TWI275484B (en) * 2004-10-15 2007-03-11 Bobst Sa Method and station for unblanked sheet delivery in a machine processing plate elements
EP3612484B1 (fr) 2017-04-21 2022-11-23 Bobst Mex Sa Dispositif de recuperation d'echantillons de poses, station d'evacuation et machine de traitement d'elements en forme de feuilles

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB208745A (en) * 1922-08-11 1924-01-03 Hoe & Co R Improvements in sheet delivery mechanism
US1607143A (en) * 1923-01-22 1926-11-16 White Maria Louisa Multicolor-printing press
DE394052C (de) * 1923-03-07 1924-04-12 Alfred Fallot Vorrichtung zum Auslegen von Bogen an Bogendruckmaschinen
US2001296A (en) * 1935-01-05 1935-05-14 Cottrell C B & Sons Co Sheet delivery mechanism for printing presses
GB782298A (en) * 1955-04-12 1957-09-04 Timsons Ltd Improvements in means for extraction of sheets for inspection during sheet delivery operations
US3191928A (en) * 1962-01-18 1965-06-29 Harris Intertype Corp Printing press and delivery with sheet inspection station
GB1284704A (en) * 1971-05-03 1972-08-09 Poligraph Leipzig Veb Improvements in or relating to a printing machine
DD138300B1 (de) * 1978-09-22 1981-12-30 Hartmut Nagel Einrichtung zur steuerung der greifer in bogenauslegern
DD141664A1 (de) * 1979-03-15 1980-05-14 Hans Zimmermann Greifersteuerkurve in bogenauslegern von bogenverarbeitenden maschinen
JPS5847749A (ja) * 1981-09-14 1983-03-19 Komori Printing Mach Co Ltd 枚葉印刷機の排紙装置
EP0077754B1 (en) * 1981-10-16 1990-09-26 Sandoz Ag Novel pharmaceutically active 1,2,3,4,4a,5,10,10a-octahydrobenzo(g)quinoline derivatives
FR2540112B1 (fr) * 1983-02-01 1986-08-29 Sandoz Sa Nouveaux derives de la benzo(g)quinoleine, leur preparation et leur utilisation comme medicaments

Also Published As

Publication number Publication date
JPH0325390B2 (enrdf_load_stackoverflow) 1991-04-05
CA1253529A (en) 1989-05-02
DE3460683D1 (en) 1986-10-16
JPS6071453A (ja) 1985-04-23
US4582316A (en) 1986-04-15
AT393997B (de) 1992-01-10
ATA143284A (de) 1991-07-15
JPS6015345A (ja) 1985-01-26
EP0129718A1 (de) 1985-01-02
DE3468402D1 (en) 1988-02-11
JPH0329709B2 (enrdf_load_stackoverflow) 1991-04-25
EP0180827B1 (de) 1988-01-07
EP0180827A1 (de) 1986-05-14

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