EP0908314B2 - Dispositif de commande pour le système de transport de feuilles dans une machine à imprimer rotative pour feuilles - Google Patents

Dispositif de commande pour le système de transport de feuilles dans une machine à imprimer rotative pour feuilles Download PDF

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Publication number
EP0908314B2
EP0908314B2 EP98117950A EP98117950A EP0908314B2 EP 0908314 B2 EP0908314 B2 EP 0908314B2 EP 98117950 A EP98117950 A EP 98117950A EP 98117950 A EP98117950 A EP 98117950A EP 0908314 B2 EP0908314 B2 EP 0908314B2
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EP
European Patent Office
Prior art keywords
control device
rotary
cam
pivot
swivel
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
EP98117950A
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German (de)
English (en)
Other versions
EP0908314B1 (fr
EP0908314A1 (fr
Inventor
Toni Erhard
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
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Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0908314A1 publication Critical patent/EP0908314A1/fr
Publication of EP0908314B1 publication Critical patent/EP0908314B1/fr
Application granted granted Critical
Publication of EP0908314B2 publication Critical patent/EP0908314B2/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers

Definitions

  • a device of this type is known for example from DE-PS 934 770.
  • the sheet transport system is designed here as a gripper arrangement for a printing cylinder and regulates the gripper pressure at the sheet leading edge, taking into account the tensile load.
  • the gripper assembly consists essentially of a gripper shaft with a roller lever which rotates on a control cam.
  • the gripper shaft is additionally loaded positively in the gripper closing direction by means of a compression spring arranged on a rod.
  • cam control By means of cam control, the gripper shaft is opened against the spring force.
  • the spring force can remain unchanged or reduced, in which the compression spring-carrying rod is extended and is paired gearbox with a hinged lever on the cylinder and rollers with an additional cam control.
  • a control device for grippers in turning drums On a gripper shaft a gripper shaft lever is arranged, which carries a cam roller at the end.
  • the force-loaded by a tension spring cam roller is paired with a curved path.
  • the cam track is integrated inside a roller lever end and the cam roller protrudes into the roller lever in order to form the cam joint with the curved path.
  • the roller lever has a pivot point and carries at the end facing away from the curved track further a role, which paired with a control cam forms another curve joint.
  • the roller lever is in addition with a compression spring in functional connection, which performs the role frictionally on the control cam.
  • Fig. 1 generally for a sheet guiding cylinder.
  • the kinematic scheme shows a hinge 1, which is arranged gear frame fixed to the sheet guiding cylinder.
  • Fixed frame is hereby the rotating sheet guiding cylinder, for example in the form of a printing cylinder 25, a turning drum 23, a transfer drum 24, a collision drum or a vibrating pre-gripper system (the latter not shown) to understand.
  • a curve rocker 2 is articulated end, which carries at the free end with a fixed curve 4 operatively connected roller 3.
  • a rotary joint 6 is arranged, which is connected to a coupling 7.
  • the rotary joint 6 (with articulated coupling 7) can also be arranged in the axis of rotation of the roller 3.
  • the coupling 7 is further connected to a arranged on a separate rocker pivot 13 8.
  • the coupling 7 is thus geared a binary member with two pivot joints 6, 8.
  • the rocker 13 is a frame-fixed pivot 10 is arranged on the sheet guiding cylinder and has between the swivel joints 8, 10, a further rotary joint 9.
  • the law of motion of the curve 4 is known to provide the highest and lowest points on the cam member in order to realize the desired: time-expiring, periodic movements.
  • Gearbox form roller 3 and curve 4 at the mating a curve joint, the roller 3 is frictionally secured by the energy storage 12, for example, a spring system with compression spring or tension spring in their forced operation.
  • a defined force for the forcible securing of roll 3 and curve 4 in the curved joint is maintained with the control device according to the invention essentially over the entire law of motion. It is realized by the fact that the rocker 13 mounted on the turning drum 23 fixed to the frame in the rotary joint 10 has two rotary joints 8, 9.
  • the rocker 13 compensates for the forces resulting from the law of motion of the curve 4 and usually causing load change reactions by the swinging movement of the rocker 13 about the pivot 10, the lever ratios and the force ratios and thus change the moments.
  • the rocker 13 is shown pivoted about the axis of rotation of the rotary joint 10 when the cam joint (roller 3, curve 4) occupies approximately the lowest point on the cam body of the curve 4. This corresponds to the position shown in FIG. 2 with solid lines.
  • a force F 1 acts, which with a lever arm I 1 (solder from the pivot point 10 on the force direction F 1 ) results in the moment M 1 .
  • a force F 2 acts on the coupling 7, a force F 2 , which with a lever arm I 2 (Lot of the pivot point pivot 10 on the direction of force F 2 ) results in the moment M 2 .
  • the rocker 13 with hinges 8, 9 is formed with the lever arms I 1 , I 2 such that at the lowest point of the cam (curve 4) for the lever ratios applies: I 1 > I 2 .
  • the rocker 13 is pivoted about the axis of rotation of the pivot 10 in the position shown when the cam joint (roller 3, curve 4) approximately the highest point on the cam body (curve 4) occupies. This corresponds to the position shown in dashed lines in Fig. 2.
  • a force F 1 ' which results in a moment arm M 1 ' with a lever arm I 1 ', acts.
  • F 2 ' acts at the coupling 7 acts a force F 2 ', which results with a lever arm I 2 ' the moment M 2 '.
  • the lever ratios I 1 ' ⁇ I 2 '.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Rotary Presses (AREA)

Claims (8)

  1. Dispositif de commande pour un système de transport de feuilles dans une machine d'impression rotative à feuilles, comportant un maneton à came et galet, qui est apparié, sous l'influence d'une force, avec une came dans une articulation à came,
    caractérisé en ce que le maneton à came (2) et galet (3), monté dans une première articulation tournante (1), qui est un arbre de pinces ou un arbre d'aspiration d'un cylindre de guidage de feuilles ou d'un dispositif de prise préalable, présente une deuxième articulation tournante (6), sur laquelle est agencée une bielle (7), un maneton (13) est monté dans une troisième articulation tournante (10) solidaire du bâti et, du côté d'extrémité, présente une quatrième articulation tournante (8) sur laquelle est agencée la bielle (7) reliant les deux manetons (2, 13), le maneton (13) avec les quatrième et troisième articulations tournantes (8, 10) présente une autre cinquième articulation tournante (9), qui est reliée à un accumulateur d'énergie (12) et l'accumulateur d'énergie (12) est reçu dans une sixième articulation tournante (11) agencée de façon solidaire du bâti.
  2. Dispositif de commande selon la revendication 1,
    caractérisé en ce que le maneton (13) monté de façon pivotante dans la troisième articulation tournante (10) présente un agencement des quatrième et cinquième articulations tournantes (8, 9), de sorte que :
    - approximativement au point le plus bas de la came (4), un bras de levier (I1) d'une force (F1) de l'accumulateur d'énergie (12) est plus grand qu'un bras de levier (I2) d'une force (F2) de la bielle (7), et
    - approximativement au point le plus haut de la came (4), un bras de levier (I1') d'une force (F1') de l'accumulateur d'énergie (12) est plus petit qu'un bras de levier (I2') d'une force (F2') de la bielle (7).
  3. Dispositif de commande selon la revendication 1,
    caractérisé en ce que l'accumulateur d'énergie (12) est un système à ressort.
  4. Dispositif de commande selon la revendication 1,
    caractérisé en ce que la deuxième articulation tournante (6) est agencée dans l'axe de rotation du galet (3).
  5. Dispositif de commande selon la revendication 1,
    caractérisé en ce que la cinquième articulation tournante (9) est agencée dans l'axe de rotation de la quatrième articulation tournante (8) du maneton (13).
  6. Dispositif de commande selon la revendication 1,
    caractérisé en ce que la cinquième articulation tournante (9) est agencée entre les quatrième et troisième articulations tournantes (8, 10) du maneton (13).
  7. Dispositif de commande selon la revendication 1,
    caractérisé en ce que le maneton (13) est un organe ternaire présentant les quatrième, cinquième et troisième articulations tournantes (8, 9, 10).
  8. Dispositif de commande selon la revendication 1,
    caractérisé en ce que, pour un cylindre de guidage de feuilles de taille double, le dispositif de commande est agencé à la périphérie du cylindre de façon symétrique et décalé de 180°.
EP98117950A 1997-10-09 1998-09-22 Dispositif de commande pour le système de transport de feuilles dans une machine à imprimer rotative pour feuilles Expired - Lifetime EP0908314B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19744507A DE19744507C2 (de) 1997-10-09 1997-10-09 Steuereinrichtung für ein Bogentransportsystem in einer Bogenrotationsdruckmaschine
DE19744507 1997-10-09

Publications (3)

Publication Number Publication Date
EP0908314A1 EP0908314A1 (fr) 1999-04-14
EP0908314B1 EP0908314B1 (fr) 2002-07-03
EP0908314B2 true EP0908314B2 (fr) 2006-01-18

Family

ID=7844985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98117950A Expired - Lifetime EP0908314B2 (fr) 1997-10-09 1998-09-22 Dispositif de commande pour le système de transport de feuilles dans une machine à imprimer rotative pour feuilles

Country Status (4)

Country Link
EP (1) EP0908314B2 (fr)
JP (1) JP2956839B2 (fr)
AT (1) ATE220004T1 (fr)
DE (2) DE19744507C2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10258271A1 (de) 2002-01-11 2003-07-24 Heidelberger Druckmasch Ag Vorrichtung zur Unterstützng der Andrückkraft einer Steuerrolle an eine zugehörige Steuerkurve
DE10347152B4 (de) * 2003-10-10 2011-12-01 Manroland Ag Kurvensteuervorrichtung für ein Bogenhaltesystem in einer Verarbeitungsmaschine
CN102555439A (zh) * 2012-01-12 2012-07-11 天津长荣印刷设备股份有限公司 一种带滚轮的牙排装置及其工作方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE503141C (de) † 1930-07-19 Maschf Augsburg Nuernberg Ag Vorrichtung zum Steuern der Vorgreifer an Zweitourenmaschinen
DE2618249C2 (de) † 1975-07-01 1983-12-22 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Steuereinrichtung für Greifer eines Vorgreifers an bogenverarbeitenden Maschinen
DE4439825A1 (de) † 1994-11-08 1996-05-09 Kba Planeta Ag Greifersteuerkurve in Bogenauslegern von Druckmaschinen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE443398C (de) * 1924-02-19 1927-04-27 Linotype Machinery Ltd Vorrichtung zum Bewegen der Druckzylindergreifer bei Druckmaschinen
DE934770C (de) * 1954-05-06 1955-11-03 Roland Offsetmaschf Greiferanordnung fuer Bogen verarbeitende Maschinen
GB774838A (en) * 1955-04-28 1957-05-15 Roland Offsetmaschf Improvements in or relating to gripper mechanism of sheet conveying machines
DD241580A1 (de) * 1985-10-09 1986-12-17 Polygraph Leipzig Greifmechanismus
DE4012497A1 (de) * 1990-04-19 1991-10-24 Roland Man Druckmasch Saugersteuerung in bogenuebergabetrommeln in mehrfarben-bogendruckmaschinen
DE4339388C2 (de) * 1993-11-18 1998-02-19 Kba Planeta Ag Greifersteuerung in Wendetrommeln

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE503141C (de) † 1930-07-19 Maschf Augsburg Nuernberg Ag Vorrichtung zum Steuern der Vorgreifer an Zweitourenmaschinen
DE2618249C2 (de) † 1975-07-01 1983-12-22 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Steuereinrichtung für Greifer eines Vorgreifers an bogenverarbeitenden Maschinen
DE4439825A1 (de) † 1994-11-08 1996-05-09 Kba Planeta Ag Greifersteuerkurve in Bogenauslegern von Druckmaschinen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
J.Volmer: "Getriebetechnik", Seiten 247, 396, VEB Verlag Technik Berlin †
J.Volmer: "Kurvengetriebe", S. 156, Dr.Alfred Hüthig Verlag Heidelberg 1989 †

Also Published As

Publication number Publication date
JP2956839B2 (ja) 1999-10-04
EP0908314B1 (fr) 2002-07-03
JPH11188840A (ja) 1999-07-13
ATE220004T1 (de) 2002-07-15
DE59804644D1 (de) 2002-08-08
EP0908314A1 (fr) 1999-04-14
DE19744507C2 (de) 2001-03-29
DE19744507A1 (de) 1999-04-15

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