EP1334828B1 - Dispositif pour aligner latéralement des feuilles - Google Patents

Dispositif pour aligner latéralement des feuilles Download PDF

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Publication number
EP1334828B1
EP1334828B1 EP20030002275 EP03002275A EP1334828B1 EP 1334828 B1 EP1334828 B1 EP 1334828B1 EP 20030002275 EP20030002275 EP 20030002275 EP 03002275 A EP03002275 A EP 03002275A EP 1334828 B1 EP1334828 B1 EP 1334828B1
Authority
EP
European Patent Office
Prior art keywords
drum
equipment according
segment
gripper system
downstream
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
EP20030002275
Other languages
German (de)
English (en)
Other versions
EP1334828A2 (fr
EP1334828A3 (fr
Inventor
Michael Koch
Ullrich Köhler
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP1334828A2 publication Critical patent/EP1334828A2/fr
Publication of EP1334828A3 publication Critical patent/EP1334828A3/fr
Application granted granted Critical
Publication of EP1334828B1 publication Critical patent/EP1334828B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41F21/04—Grippers
    • B41F21/05—In-feed grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00—Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/90—Register control
    • B41P2213/91—Register control for sheet printing presses

Definitions

  • the invention relates to a device for the lateral alignment of sheets in a sheet-fed press on a rotating drum with a gripper system which is slidably provided by at least one motor actuator in the axial direction.
  • EP 753 407 B1 such a device for the lateral alignment of sheets on a drum is known.
  • the actual position of a side edge of the sheet to be aligned are detected by measuring elements and generated by a target-actual comparison pulses that are supplied to a motor actuator.
  • the motor actuator is fixed to the frame in the channel of the drum and engages the axially displaceable mounted in the drum gripper system. By axial displacement of the gripper system, the desired position of the sheet to be aligned is realized.
  • the object of the invention is to provide a generic device that can be realized with simple means and allows a quality-compliant feeding the sheet.
  • the solution according to the invention makes it possible to create a device with simple means which makes it possible to process different materials without waste of waste.
  • Fig. 1 shows a sheet system consisting of a feed table 1 with front marks 2, a vibration system 3 and a drum 4.
  • the drum 4 is a pressure cylinder 5 downstream.
  • the oscillating system 3 consists of a vibrator 6 and a vibrating gripper system 7 associated therewith, which has grippers 8 and gripper pads 9.
  • a gripper system 11 is slidably mounted in the axial direction.
  • the gripper system 11 consists of clamped on a gripper shaft 12 gripper fingers 13, which correspond to gripper clutches 14.
  • the gripper system 11 is classified as a functional unit in a carriage 15 which is slidably mounted in the drum channel 10.
  • a driver 16 On the carriage 15 engages a driver 16, which is connected to a concentrically arranged in a drum base 29 pulling shaft 17 (Fig. 2).
  • the pulling shaft 17 is guided in bearings 18.
  • a threaded nut 19 At the outer end of the pull shaft 17 is rotatably connected to a threaded nut 19 is provided, in which a threaded spindle 20 engages.
  • the threaded spindle 20 is mounted against axial displacement by a thrust bearing 21 in a motor flange 22.
  • the motor flange 22 is fixed to the frame on a side wall 23, in which the drum 4 is mounted by means of a rolling bearing 24 and a bush 25. With the motor flange 22, a motor 26 is fixedly connected.
  • a motor shaft 27 of the motor 26 is coupled by a torsionally stiff coupling 28 with the threaded spindle 20.
  • drum base body 29 With the drum base body 29 are two drum cheeks 30, in Figure 2, only one of the drum cheeks 30 is shown, rotatably connected.
  • a drum shell 31 is guided, which consists of a direction of rotation 34 upstream of the gripper system 11 segment 32 and a gripper system 11 downstream segment 33.
  • the upstream segment 32 is rigidly connected to the drum cheeks 30, while the downstream segment 33 is associated with the drum cheeks 30 in an axially displaceable manner.
  • 30 guide pins 35 are fixedly connected to the drum cheeks, on the free end of sliding bushes 36, the downstream segment 33 is mounted.
  • the downstream segment 33 is connected via a coupling member 37 with the carriage 15, so that the downstream segment 33 can follow axial movements of the carriage 15 synchronously.
  • the subordinate segment 33 extends over an extension angle ⁇ , which corresponds approximately to a segment angle ⁇ , wherein the segment angle ⁇ is enclosed by a straight line g 1 , which connects the centers of the impression cylinder 5 and the drum 4 and a straight line g 2 , on which Center of the drum 4 and the frame point of the vibrator 6 are.
  • sheets 38 are singulated in a sheet feeder and conveyed via a belt table on the feed table 1 and with the front edge against the front table 2 positioned on the feed table 1 and aligned so after the leading edge.
  • the actual position of the side edge is detected and generates a measured value, which is supplied to an evaluation unit for a target-actual comparison.
  • the evaluation unit If the actual value deviates from a predetermined desired value, the evaluation unit generates an actuating signal with which the motor 26 is activated.
  • the motor 26 rotates at a speed that follows the rotational speed of the drum 4 synchronously.
  • the speed synchronization of the motor 26 with the drum 4 is realized by a machine-internal or a separate, not shown, speed sensor. In this case, the instantaneous speed of the machine or the drum 4 is constantly detected and tracked by this measured value of the motor 26, so that the motor shaft 27 and the pull shaft 17 rotate synchronously.
  • the aligned on the feed table 1 after the leading edge 4 sheet 38, the side edge was detected by the measuring means is clamped between the grippers 8 and the gripper pads 9 of the vibrator 6, subtracted from the feed table 1 and transported to the drum 4, the front marks 2 in a position under the feed table 1 are performed.
  • the withdrawing sheet 39 is transported by the oscillator 6 to the drum 4 and transferred from the vibratory gripper system 7 to the gripper system 11 of the drum 4, the drum 4 rotates in the direction of rotation 34 and the withdrawing sheet 39 is transported to the printing cylinder 5. In this case, the withdrawing sheet 39 hugs against the gripper system 11 downstream segment 33 of the drum shell 31.
  • the actual position of the target position on the drum 4 during transport to the impression cylinder 5 is adjusted by the gripper system 11 axially displaced becomes.
  • the motor 26 supplied, generated from the target-actual comparison control signal, the instantaneous speed of the motor 26 before or after adjusted and then synchronized again.
  • the leading or lagging adjustment of the rotational speed of the motor 26 a rotation between the threaded nut 19 and threaded spindle 20 is initiated and thus the pulling shaft 17 is displaced in or against an arrow direction 40.
  • the pulling shaft 17 is operatively connected to the carriage 15 carrying the gripper system 11 via the driver 16, this follows the adjusting movement of the pulling shaft 17, so that the clamping system 39 clamped by the gripper system 11 axially displaced and thus with respect to its side edge in the desired position is spent. Since with the carriage 15 via the coupling member 37, the axially displaceably mounted, the drawing sheet 39 leading downstream segment 33 is connected, the downstream segment 33 follows synchronously the axial movement of the gripper system 11, so that the withdrawing sheet 39 easily on the drum 4 in axial direction can be moved. The withdrawal sheet 39 located in the desired position is transferred to the impression cylinder 5.
  • the motor actuator can also be fixed to the frame within the drum 4 and an actuator that engages the carriage 15, this and thus the gripper system 11 are moved.
  • the second motor actuator is then controlled so that the downstream segment 33 synchronously follows the axial movement of the gripper system 11.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Registering Or Overturning Sheets (AREA)

Claims (11)

  1. Installation pour aligner latéralement des feuilles dans une machine d'impression de feuilles sur un tambour rotatif équipé d'un système de pinces, ce système étant coulissant dans la direction axiale par au moins un organe d'actionnement à moteur,
    caractérisée en ce qu'
    une enveloppe (31) du tambour (4) comporte un segment amont (32) et un segment aval (33) par rapport au système de pinces (11) selon le sens de rotation (34),
    le segment aval (33) suivant en synchronisme le mouvement axial du système de pinces (11).
  2. Installation selon la revendication 1,
    caractérisée en ce que
    le segment amont (32) est solidaire en coulissement du tambour (4).
  3. Installation selon la revendication 1,
    caractérisée en ce que
    le segment aval (33) est coulissant dans la direction axiale par rapport au tambour (4).
  4. Installation selon les revendications 1 et 3,
    caractérisée en ce que
    le segment aval (33) est coulissant dans les joues (30) du tambour par l'intermédiaire de goujons de guidage (35).
  5. Installation selon les revendications 1 et 3,
    caractérisée en ce que
    le segment aval (33) est associé au système de pinces (11) par l'intermédiaire d'un élément de couplage (37).
  6. Installation selon les revendications 1,
    caractérisée en ce que
    le segment aval (33) occupe un angle d'extension (β).
  7. Installation selon les revendications 1 et 6,
    caractérisée en ce que
    l'angle d'extension (β) correspond sensiblement à un segment d'angle (α) compris entre une droite (g1) passant par le centre du tambour (4) et le centre du cylindre d'impression (5) en aval du tambour (4) et une droite (g2) passant par le centre du tambour (4) et le point du bâti d'un organe oscillant (6) en amont du tambour (4).
  8. Installation selon la revendication 1,
    caractérisée en ce que
    le système de pinces (11) est monté sur un chariot (15) coulissant axialement, relié à un arbre de traction (17) concentrique au tambour (4) et dont l'extrémité extérieure comporte un écrou (19) solidaire en rotation pour recevoir une broche filetée (20) solidaire en rotation de l'arbre (27) d'un moteur (26) entraîné en synchronisme avec le tambour (4) et le moteur (26) peut être entraîné dans un temps de travail de façon à être en avance ou en retard.
  9. Installation selon la revendication 1,
    caractérisée en ce qu'
    un premier organe d'actionnement à moteur est installé de manière solidaire du bâti dans le tambour (4) et il attaque par l'intermédiaire d'un organe d'actionnement, le chariot portant le système de pinces (11).
  10. Installation selon les revendications 1 et 9,
    caractérisée en ce qu'
    à côté du premier organe d'actionnement à moteur, un second organe d'actionnement à moteur est installé solidairement du bâti dans le tambour (4), ce second organe d'actionnement attaquant le segment (33) suivant par l'intermédiaire d'un élément d'actionnement.
  11. Installation selon les revendications 1, 9 et 10,
    caractérisée en ce que
    le second organe d'actionnement à moteur est asservi de façon synchrone sur le premier organe d'actionnement à moteur.
EP20030002275 2002-02-12 2003-02-01 Dispositif pour aligner latéralement des feuilles Expired - Lifetime EP1334828B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002105628 DE10205628A1 (de) 2002-02-12 2002-02-12 Einrichtung zum seitlichen Ausrichten von Bogen
DE10205628 2002-02-12

Publications (3)

Publication Number Publication Date
EP1334828A2 EP1334828A2 (fr) 2003-08-13
EP1334828A3 EP1334828A3 (fr) 2005-11-30
EP1334828B1 true EP1334828B1 (fr) 2006-11-02

Family

ID=27588537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030002275 Expired - Lifetime EP1334828B1 (fr) 2002-02-12 2003-02-01 Dispositif pour aligner latéralement des feuilles

Country Status (2)

Country Link
EP (1) EP1334828B1 (fr)
DE (2) DE10205628A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006009380A1 (de) * 2006-03-01 2007-09-06 Koenig & Bauer Aktiengesellschaft Einrichtung zum seitlichen Ausrichten
CN101683780B (zh) 2008-09-25 2013-08-07 海德堡印刷机械股份公司 用于在处理机中侧向地定向页张的方法和装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE427088C (de) * 1923-07-05 1926-03-26 Linotype Bildzylinder fuer Rotationsdruckmaschinen
US2593148A (en) * 1946-09-27 1952-04-15 Hoe & Co R Sheet registering mechanism for printing
DE2046602B2 (de) * 1970-09-22 1973-09-06 Koenig & Bauer AG, ,700 Würzburg Bogenzufuehrung bei druckmaschinen
DE3721900A1 (de) * 1987-07-02 1989-01-19 Heidelberger Druckmasch Ag Fernbedienbare stellmittel zur elastischen verformung einer registerschiene
DE19524891A1 (de) * 1995-07-08 1997-01-09 Heidelberger Druckmasch Ag Vorrichtung zum seitlichen Ausrichten von Bögen im Anleger einer Bogenrotationsdruckmaschine
DE19618030B4 (de) * 1996-05-04 2006-06-01 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zum seitlichen Ausrichten eines Bogens
DE19807167C2 (de) * 1998-02-20 2003-12-18 Koenig & Bauer Ag Druckformzylinder für eine Druckmaschine mit Registerverstellung

Also Published As

Publication number Publication date
DE10205628A1 (de) 2003-08-14
EP1334828A2 (fr) 2003-08-13
EP1334828A3 (fr) 2005-11-30
DE50305535D1 (de) 2006-12-14

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