EP0553739B1 - Dispositif pour régler les éléments de guidage de feuilles d'une rotative - Google Patents

Dispositif pour régler les éléments de guidage de feuilles d'une rotative Download PDF

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Publication number
EP0553739B1
EP0553739B1 EP93101045A EP93101045A EP0553739B1 EP 0553739 B1 EP0553739 B1 EP 0553739B1 EP 93101045 A EP93101045 A EP 93101045A EP 93101045 A EP93101045 A EP 93101045A EP 0553739 B1 EP0553739 B1 EP 0553739B1
Authority
EP
European Patent Office
Prior art keywords
shaft
hollow carrier
sheet
grooves
sheet holding
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
EP93101045A
Other languages
German (de)
English (en)
Other versions
EP0553739A1 (fr
Inventor
Jürgen Stiel
Jürgen Münker
Karl Preuss
Erich Wieland
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 Albert AG
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
Priority claimed from DE4242606A external-priority patent/DE4242606C2/de
Application filed by Koenig and Bauer Albert AG, Koenig and Bauer AG filed Critical Koenig and Bauer Albert AG
Publication of EP0553739A1 publication Critical patent/EP0553739A1/fr
Application granted granted Critical
Publication of EP0553739B1 publication Critical patent/EP0553739B1/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
    • B41F22/00—Means preventing smudging of machine parts or printed articles
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/36—Article guides or smoothers, e.g. movable in operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/25—Damages to handled material
    • B65H2601/251—Smearing

Definitions

  • the invention relates to a device for adjusting sheet guiding elements in rotary printing machines according to the preamble of patent claim 1.
  • a sheet guiding device for sheet guiding on perfecting machines in which the axial adjustment of several sheet guiding brackets arranged one behind the other in the sheet running direction is initiated by the actuator.
  • the actuator When the actuator is actuated, the actuating chain is moved via a flat link chain and a transmission shaft, so that a roller carriage connected to the actuating chain moves along a traverse.
  • a disadvantage of this sheet guiding device is the large expenditure on gear technology, which becomes so high, particularly in the case of several sheet guiding devices arranged in parallel across the machine width, that the joint adjustment of several sheet guiding devices together is no longer justifiable.
  • a sheet guiding device for sheet guiding cylinders has become known, in which sheet guiding brackets with air outlet openings are arranged parallel to one another in the sheet running direction.
  • sheet guide bars When changing the paper format, sheet guide bars must be adapted separately to the new paper format on their holder.
  • the disadvantage here is the high expenditure of time when converting the printing press.
  • Paper hold-down devices of a paper guide in printing presses according to DE-OS 17 86 196 are similarly designed, which also have to be adjusted in a time-consuming manner when changing the paper format.
  • the object of the present invention is to adapt the sheet guiding elements to the different format widths transversely to the sheet running direction by means of a central adjustment.
  • the sheet guiding elements can be set to a new format width thanks to a technically simple drive that takes up little space.
  • the moving parts namely the shaft with the grooves located on the circumference, are protected from paper dust and the like. Contamination by arranging these parts in a hollow profile. This hollow profile is also the guide of the sheet guide elements.
  • a sheet-fed rotary printing press with two printing units is shown in a side view.
  • a sheet feeder is connected to a stop drum 4 via a sheet feeder 2 and an abutment cross 3.
  • a first printing unit there is a transfer drum 6 and a printing cylinder 7 with a rubber cylinder 8 and a plate cylinder 9 arranged above it.
  • a sheet transfer drum 10 Between the first and second printing units there is a sheet transfer drum 10 .
  • At the pressure cylinders 11 close the sprockets 14; 16 on, over which the gripper chain system 17 is guided in the sheet delivery 18.
  • a suction roller 19 is arranged in the sheet delivery 18. All of the cylinders, drums and the like mentioned are in the side wall 21; 22 of the machine frame stored.
  • Ink and dampening systems as well as controls that are not directly related to the invention are not shown.
  • a sheet guiding device 32 in the form of a hold-down device is also arranged in front of the stop drum 4.
  • FIG. 2 a top view of a solution according to the invention is shown as representative of the sheet guiding devices 23 to 32 on the sheet guiding device 32.
  • One on the machine frame 21; 22 attached bracket 33; 34 carries a profile 36, which is designed as a square hollow profile.
  • Slidable sheet guiding elements 37 are located on the profile 36; 38; 39; 41; 42; 43, which are arranged symmetrically to the line of symmetry 44 in the middle of the machine in a position for guiding an arc with a maximum format width.
  • the dashed representation of the sheet guide elements in positions 37 'to 43' shows the position for guiding a sheet with a minimal format width.
  • the adjustment of the sheet guide elements 37 to 43 in the Positions 37 'to 43' take place on a tab 46 in the direction of arrow A via a motor, not shown, with a threaded spindle or a pneumatic cylinder, which can be controlled via a proportional valve.
  • the sheet guide element 37 as a detail according to FIG. 2 is shown in FIG. 3 in an enlarged representation and in FIG. 4 as a section IV-IV according to FIG. 3.
  • the sheet guiding element 37 consists of a holder in the form of a sleeve 47 which is arranged on the profile 36 so as to be displaceable.
  • a shaft 48 which grooves 49; 51; 52; 53; 54; 56 has a finite length, which extend with different pitch, helically or spirally around the shaft 48.
  • the grooves 49 to 52 and 53 to 56 are arranged in mirror image to the line of symmetry 44 machine center.
  • the grooves 52; 53 have the greatest slope, the grooves 49; 56 have the smallest incline.
  • the sleeve 47 which has a square cross section, has a reinforcement with an internal thread 57, in which a guide pin 58 is screwed in.
  • the guide pin 58 protrudes through a slot 59 in the profile 36 and engages with its end in the groove 49 according to FIG. 5.
  • the sheet guiding element 37 also consists of a bracket 61 which is connected at one end to the sleeve 47, for example by welding.
  • the other end of the bracket 61 is slightly inclined in its longitudinal axis and receives a clamping element 62 for clamping a holding plate 63 which has an arc 64 presses against the traverse 3.
  • the device works as follows.
  • the sheet guiding elements 37 to 43 are adjusted symmetrically by means of a simple drive, although the sheet guiding elements mentioned cover different paths.
  • the driving force for the tab 46 can also be taken from a side drawing mark (not shown) for the lateral alignment of the sheets 64.
  • a rotary movement can also act directly on the shaft 48.
  • the sheet guiding devices 23 to 31 according to FIG. 1 are adjusted in an analogous manner.
  • the rotatable shaft 48 has six helical grooves 49, 51, 52; 53, 54, 56 on.
  • the slope of the grooves 49, 51, 52; 53, 54, 56 decreases from the center of the shaft 48 to the ends of the shaft 48, so that two grooves 49, 56; 51, 54; 52, 53 have the same gradients.
  • the grooves 49, 56 located at the ends of the shaft 48 each have a pitch angle which is still below the self-locking.
  • Each groove 49, 51, 52; 53, 54, 56 are each assigned a ring 47.
  • Each ring 47 has a ring-fixed guide pin 58, which is directed into the interior of the hollow support 36 and which fits into one of the grooves 49, 51, 52; 53, 54 or 56 engages.
  • the center of the shaft 48 or line of symmetry of the machine center 44 is to be understood as the center of the maximum format width on a printing group cylinder.
  • the sleeve 47 which is displaceably arranged on the circumference of the profile or hollow support 36, has the shape of a ring.
  • the hollow support 36 and the slidably and positively arranged on the hollow support 36 rings 47 can have any cross section, z. B. square, rectangular or hexagonal cross section. As a rule, at least one profile edge is required - teardrop shape.
  • the connecting element can consist of a threaded pin screwed into the circular ring 47 in the radial direction, which engages with its pin part in a non-positive and positive manner in an axial groove running in the lateral surface of the hollow support 36.
  • the shaft 48 can also be designed in two parts, ie be separated at the shaft center 44.
  • the hold-down device 37, 38, 39 is driven by the application of a force on the hold-down device 37 in the axial direction A by a working cylinder or a side pulling mark.
  • a working cylinder or a side pulling mark The same applies analogously to the drive of the sheet guiding elements 43, 42, 41, which are actuated by the application of a force on the hold-down device 43 in the axial direction to the shaft center 44 (FIG. 2).
  • an additional element similar to the hold-down device 37 between the holder 33 and the one outer hold-down device 37 which has no clamping element 62 and no holding plate 63 and with a guide pin 58 in the same outer helical groove 49 which is responsible for the hold-down device 37 engages non-positively and positively.
  • a force can be applied to this additional element in the axial direction.
  • Such an additional element can also be inserted between the holder 34 and the other outer sheet guiding element 42 in the same way.
  • Moving the sheet guide elements or hold-down 37, 38, 39; 41, 42, 43 in the axial direction can also be done by directly rotating the shaft 48. If the shaft 48 is separated at the line of symmetry 44, both parts of the shaft 48 must be rotated separately.
  • the hold-down device 37 to 43 is adjusted to the positions 37 'to 43' in accordance with the sheet format, regardless of whether the shaft 48 itself is rotated or a rotational movement of the shaft 48 is generated by the application of an axial force on a hold-down device 37, 43 located at the end of the shaft 48.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Claims (10)

  1. Dispositif pour régler des abaisseurs de feuilles, constitués de supports et d'éléments presseurs, déplaçables, à l'aide d'un entraînement transversalement par rapport à la direction de défilement des feuilles, montés à rotation sur un arbre tournant et coopérant avec des gorges en hélice, orientées en contre-sens, ménagées sur l'arbre, caractérisé en ce qu'un support creux (36) fixe par rapport au bâti, fendu longitudinalement est disposé, en ce que sur le support creux (36) sont disposées de façon déplaçable des bagues (37) entourant sa périphérie et portant chacune un abaisseur de feuilles (37, 38, 39, 41, 42, 43), en ce que les bagues (47) constituent avec le support creux (36) une sécurité de rotation, en ce que les bagues (37) présentent chacune une tige de guidage (58) orientée vers l'intérieur du support creux (36), en ce qu'à l'intérieur du support creux (36) est disposé un arbre (48) monté tournant à ses extrémités, en ce que l'arbre (48) présente sur chaque première moitié de sa longueur au moins deux gorges (49, 51) en hélice, ayant une pente différente, disposées en répondant à une symétrie spéculaire par rapport à au moins deux gorges (56, 54) en hélice ménagées sur une deuxième moitié de l'arbre (48), en ce qu'à chaque gorge (49, 51, 52; 53, 54, 56) est associée une bague (47) qui présente une tige de guidage (58) fixée à la bague et s'engageant mécaniquement et avec ajustement de forme dans la gorge (49, 51, 52, 53, 54, 56), en ce que la pente des gorges (49, 51, 52; 53, 54, 56) diminue lorsque l'on va vers chacune des extrémités de l'arbre (48).
  2. Dispositif selon la revendication 1, caractérisé en ce que les gorges (49, 56) présentent un angle de pente encore inférieur à celui de l'autoblocage.
  3. Dispositif selon les revendications 1 et 2, caractérisé en ce que le support creux (36) ainsi que les bagues (47) disposées sur sa périphérie présentent une section transversale quelconque, en étant cependant disposés avec un ajustement de forme les uns par rapport aux autres.
  4. Dispositif selon les revendications 1 à 3, caractérisé en ce que la sécurité de rotation est constituée d'un profilé (36, 37) ayant au moins une arête de profil.
  5. Dispositif selon les revendications 1 à 3, caractérisé en ce que la sécurité de rotation est constituée de profils ronds (36, 47) ayant au moins un élément de liaison disposé entre le support creux (36) et la bague (47) respective.
  6. Dispositif selon la revendication 5, caractérisé en ce que l'élément de liaison est constitué d'une tige filetée, vissée en direction radiale dans la bague (47) et s'engageant par sa partie tige, avec ajustement de forme, dans une gorge axiale s'étendant dans la surface d'enveloppe du support creux (36).
  7. Dispositif selon les revendications 1 à 6, caractérisé en ce que le déplacement de l'un des abaisseurs de feuilles (37) s'effectue par l'intermédiaire d'une patte (46) au moyen d'une broche filetée et d'un servomoteur ou bien au moyen d'un vérin pneumatique équipé d'une valve proportionnelle.
  8. Dispositif selon les revendications 1 à 6, caractérisé en ce que le déplacement de l'un des abaisseurs de feuilles (37) s'effectue par l'intermédiaire d'une marque d'étirage latéral.
  9. Dispositif selon les revendications 1 à 3, caractérisé en ce que le déplacement des abaisseurs de feuilles (37 à 43) s'effectue par introduction d'un mouvement de rotation sur l'arbre (48).
  10. Dispositif selon les revendications 1 à 9, caractérisé en ce que l'arbre (48) est subdivisé sur la moitié de sa longueur, en ce que les abaisseurs de feuille (37, 38, 39; 41, 42, 43) sont chacun déplaçables séparément.
EP93101045A 1992-01-31 1993-01-23 Dispositif pour régler les éléments de guidage de feuilles d'une rotative Expired - Lifetime EP0553739B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4202714 1992-01-31
DE4202714 1992-01-31
DE4242606 1992-12-17
DE4242606A DE4242606C2 (de) 1992-01-31 1992-12-17 Einrichtung zum Verstellen von Bogenniederhaltern

Publications (2)

Publication Number Publication Date
EP0553739A1 EP0553739A1 (fr) 1993-08-04
EP0553739B1 true EP0553739B1 (fr) 1995-08-02

Family

ID=25911403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93101045A Expired - Lifetime EP0553739B1 (fr) 1992-01-31 1993-01-23 Dispositif pour régler les éléments de guidage de feuilles d'une rotative

Country Status (3)

Country Link
US (1) US5259309A (fr)
EP (1) EP0553739B1 (fr)
JP (1) JPH0749342B2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240660C1 (de) * 1992-12-03 1994-02-10 Roland Man Druckmasch Bogenstützeinrichtung
US5544583A (en) * 1995-06-08 1996-08-13 A.B. Dick Company Delivery interrupt mechanism for a printing machine
DE19841128A1 (de) * 1998-09-09 2000-03-16 Koenig & Bauer Ag Bogenleiteinrichtung in der Bogenanlage
US6629690B1 (en) * 2000-11-02 2003-10-07 Gunther International, Ltd. Apparatus and method for conveying a product
JP2005041202A (ja) * 2003-07-24 2005-02-17 Heidelberger Druckmas Ag 印刷技術的な機械内で枚葉紙を搬送するための装置
DE10335534A1 (de) * 2003-07-31 2005-02-17 Metronic Ag Grubenabdeckung
EP1777184A1 (fr) * 2005-10-18 2007-04-25 Kba-Giori S.A. Système de transport de feuilles

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099712A (en) * 1977-02-25 1978-07-11 Merrill David Martin Automatic sheet handling apparatus
US3310304A (en) * 1966-02-28 1967-03-21 Comitetul De Stat Pentru Cultu Sheet feed deflector and interrupter responsive to photoelectric sheet position sensing means
DE1561101A1 (de) * 1966-12-27 1970-01-08 Planeta Veb Druckmasch Werke Bogenleiteinrichtung fuer Bogenfuehrungszylinder
JPS4620721Y1 (fr) * 1967-08-30 1971-07-19
GB1311031A (en) * 1969-09-13 1973-03-21 Ricoh Kk Sheet discharging apparatus
DE2010467B2 (de) * 1970-03-05 1971-11-25 Spiess, Helmut, Dr.-Ing., 8906 Gersthofen Vorrichtung zur bildung einer folge von sich unter lappender bogen fuer bogenanlegeapparate
IT991860B (it) * 1973-07-25 1975-08-30 Nebiolo Spa Macchina rotativa da stampa per fogli singoli
DD125394A1 (fr) * 1976-02-27 1977-04-20
JPS5756262A (en) * 1980-09-19 1982-04-03 Ricoh Co Ltd Delivery apparatus for printing machine
DE3342663A1 (de) * 1983-11-25 1985-06-05 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung an bogenverarbeitenden maschinen
DD227390A1 (de) * 1984-10-05 1985-09-18 Polygraph Leipzig Einrichtung an rollwagen von bogenleiteinrichtungen in druckmaschinen
JPH02193858A (ja) * 1989-01-20 1990-07-31 Ricoh Co Ltd 印刷用紙仕分け装置
US5197382A (en) * 1989-10-13 1993-03-30 Am International, Inc. Copy sheet proofing system

Also Published As

Publication number Publication date
EP0553739A1 (fr) 1993-08-04
JPH05306040A (ja) 1993-11-19
US5259309A (en) 1993-11-09
JPH0749342B2 (ja) 1995-05-31

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