EP0703075B1 - Greiferzylinder - Google Patents

Greiferzylinder Download PDF

Info

Publication number
EP0703075B1
EP0703075B1 EP95114284A EP95114284A EP0703075B1 EP 0703075 B1 EP0703075 B1 EP 0703075B1 EP 95114284 A EP95114284 A EP 95114284A EP 95114284 A EP95114284 A EP 95114284A EP 0703075 B1 EP0703075 B1 EP 0703075B1
Authority
EP
European Patent Office
Prior art keywords
gripper
armature
cylinder
stator
grippers
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
EP95114284A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0703075A3 (de
EP0703075A2 (de
Inventor
Xaver Bachmeir
Eckhard Tusché
Johannes Ruschkowski
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
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0703075A2 publication Critical patent/EP0703075A2/de
Publication of EP0703075A3 publication Critical patent/EP0703075A3/de
Application granted granted Critical
Publication of EP0703075B1 publication Critical patent/EP0703075B1/de
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
    • B41F21/10—Combinations of transfer drums and grippers

Definitions

  • the invention relates to a gripper device according to the Preamble of claim 1.
  • Gripper cylinders are used in sheet printing machines, for example as a pressure cylinder, which is used to hold a sheet equipped with a gripper, in particular a row of grippers have to be.
  • the grippers in the gripper row take over the bow for example from a feed drum or directly from one Sheet feed table and pass it after the sheet is printed has been via a diversion tongue to a transfer drum.
  • one such transfer drum represents a gripper cylinder in the sense of Claw cylinders also occur in folding units.
  • the opening and mechanically controlled closing of the grippers via control cams form either an inner or an outer curve, against the one cam roller by that generated by a spring Preload can be pressed.
  • the outside and inside curves thus serve for the forced control of the cam roller.
  • DE-PS 259 237 is a gripper closing device for the Gripper cylinder of a printing press known in which a arranged inside the gripper cylinder, the electromagnet is controlled via a fixed contact disc, one on the Gripper shaft arranged armature moves when in the electromagnet a current flows and thereby a magnetic field in the armature is induced.
  • DE-AS 21 13 750 is a gripper cylinder represented with a gripper, the movement of which in both Directions arranged from within the gripper cylinder Electromagnet is controlled. Both are electromagnets powered by a slip ring disc that is outside the gripper cylinder is arranged.
  • the electromagnet is outside the Gripper cylinder arranged stationary. By the by him Flow of current generated magnetic induction in the armature can be easily done without using sliding contacts control, since the electromagnet is not with the gripper cylinder turns with.
  • Control curve is also a component of the electromagnet.
  • the invention is characterized by small dimensions.
  • a gripper cylinder 1 via its shaft 2 in one Printing machine rotatably mounted. It has a gripper spindle 3, which comprises a plurality of individual grippers 4 which Clamp printed copies or sheets against a gripper pad 5.
  • the Gripper pad 5 is a screw 6 in the cylinder body of the Gripper cylinder 2 attached.
  • the gripper 4 is one Pivot point 7 pivotally mounted.
  • compression spring 8 presses a lower edge 40 of the gripper 4 an upper edge 50 of the gripper pad 5, so that the end of a To hold on to the bow.
  • the device 3 is in the open Condition shown.
  • stator 12 If the Current flows through stator 12 and thereby its housing 13 is magnetized by the magnetic attraction of the armature 9 and thus also the cam roller 10 in the area 11 from the lip 130 attracted and thus against the outer curve it formed pressed. Both the armature 9 and the housing 13 consist of a magnetizable, non-permanent magnetic material. If the Gripper spindle 3 is open at point A, for example, there she picks up a bow from a system drum and turns it this in the direction of an arrow C into an area 14 (through Points marked) in which the stator 12 is not present and in which therefore the gripper 4 by the restoring torque Compression spring 8 is closed again.
  • stator 12 is the one Gripper cylinder 1 concentric ring on the front is formed and accordingly the lip 130 in the regions 11 and 14 is present, the cam roller is in area 14, too then when current flows through the stator 12, positively controlled pivoted in the direction of shaft 2 and holds the bow there until it gets back into area 11.
  • the gripper cylinder 1 (FIG. 3) is via double ball bearings 15 stored between side walls 16 and 17.
  • the invention provides a gripper cylinder 1 which either as a printing cylinder of a sheet-fed press, as a lay-on or Transfer drum in a sheet printing machine or as Gripper cylinder of a folder can be used.
  • a gripper cylinder 1 which either as a printing cylinder of a sheet-fed press, as a lay-on or Transfer drum in a sheet printing machine or as Gripper cylinder of a folder can be used.
  • this is over a magnetizable, non-permanent magnetic armature 9, the is pivoted together with a cam roller 10, pivoted when An electric current flows through a stator 12, this one Housing 13 of the stator 12 magnetized and thereby the armature 9 in Direction to the housing 13 against the driving torque Compression spring 8 attracts.
  • cam roller 10 instead of the cam roller 10 on an outer curve, as in FIG. 2 shown, it can lead to in an equivalent manner an inner curve, in which case the stator 12 formed as a ring between the shaft 2 and the cam roller 10 is, the stator 12 from one, the housing 13 in Fig. 2, 3rd corresponding housing is surrounded.
  • gripper spindle 3 which has a plurality of grippers 4 has, it is also possible to use several, for example three, over the Circumference of the gripper cylinder 1 distributed gripper spindles 3, to provide.
  • a permanent magnet or a further electromagnet (Fig. 4a, b) with a stator 12 ', one Housing 12 'and a housing lip 130' pivoted back and forth (Arrow D), depending on which of the two electromagnets a current flows or the stronger current flows, the larger one Exerts torque on the armature 90 and with it the gripper spindle 3 panned.
  • the gripper pad 5 forms one Stop for the gripper 4 and thus also for the anchor 90.
  • a another stop for the anchor is, for example, by a the end face of the gripper cylinder 1 attached bolt formed; in this case there is neither a cam nor a cam roller necessary.
  • the electromagnets can be stationary on one end or on be attached to both end faces (Fig. 3) of the gripper cylinder. Even in the case of a single electromagnet, the armature 9 or 90 with one of the compression spring 8 or a permanent magnet generated torque acts on opposite torque, it is stationary.
  • the electromagnets can be used regardless of the movement of the Control gripper cylinder 1, for example, using an encoder. Magnetic can also be equivalent to magnetic attraction Repulsion of magnets facing each other with the same poles or Electromagnets are used.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP95114284A 1994-09-20 1995-09-12 Greiferzylinder Expired - Lifetime EP0703075B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4433380 1994-09-20
DE4433380A DE4433380A1 (de) 1994-09-20 1994-09-20 Greiferzylinder

Publications (3)

Publication Number Publication Date
EP0703075A2 EP0703075A2 (de) 1996-03-27
EP0703075A3 EP0703075A3 (de) 1996-12-27
EP0703075B1 true EP0703075B1 (de) 1998-12-09

Family

ID=6528615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95114284A Expired - Lifetime EP0703075B1 (de) 1994-09-20 1995-09-12 Greiferzylinder

Country Status (5)

Country Link
US (1) US5678486A (ja)
EP (1) EP0703075B1 (ja)
JP (1) JP2865597B2 (ja)
CA (1) CA2158592C (ja)
DE (2) DE4433380A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3196667B2 (ja) * 1996-10-31 2001-08-06 アキヤマ印刷機製造株式会社 枚葉印刷機における紙搬送用胴の爪開閉機構
DE19719624C1 (de) * 1997-05-09 1998-06-10 Heidelberger Druckmasch Ag Bogenrotationsdruckmaschine
US6684774B2 (en) 1997-05-09 2004-02-03 Heidelberger Druckmaschinen Ag Sheet-fed rotary printing press
WO1999042290A1 (en) * 1998-02-23 1999-08-26 Indigo N.V. Sheet grippers
US6729235B2 (en) 2001-04-30 2004-05-04 Eastman Kodak Company Imaging apparatus and imaging drum having material clamp
DE102007005016A1 (de) * 2006-02-27 2007-08-30 Heidelberger Druckmaschinen Ag Vorrichtung zum Transport von Bogen mittels einer Greifereinrichtung
DE102006025789A1 (de) * 2006-06-02 2007-12-13 Man Roland Druckmaschinen Ag Bogendruckmaschine
DE102006025787A1 (de) * 2006-06-02 2007-12-13 Man Roland Druckmaschinen Ag Bogendruckmaschine
KR101113145B1 (ko) 2007-04-05 2012-03-13 후지쯔 세미컨덕터 가부시키가이샤 표면 형상 센서와 그 제조 방법
US9656487B2 (en) 2015-10-13 2017-05-23 Intermec Technologies Corporation Magnetic media holder for printer
US10460877B2 (en) 2016-05-27 2019-10-29 Tdk Corporation Thin-film capacitor including groove portions
DE102017201722B4 (de) 2017-02-03 2020-02-27 Koenig & Bauer Ag Fördereinrichtung für flächiges Fördergut
CN108942993B (zh) * 2018-10-17 2024-03-22 安徽理工大学 一种机械控制式自动下料机械手
GB2582333B (en) * 2019-03-19 2021-08-18 Landa Labs 2012 Ltd Arrangements for securing cylinder jackets

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE259237C (ja) *
FR2092397A5 (ja) * 1970-04-01 1972-01-21 Polygraph Leipzig
CS156913B1 (ja) * 1972-05-15 1974-08-23
US3768406A (en) * 1972-07-03 1973-10-30 Polygraph Leipzig Sheet gripper
JPS5661255A (en) * 1979-10-24 1981-05-26 Ricoh Co Ltd Winder of paper web
DE3112964A1 (de) * 1981-04-01 1982-10-21 Heidelberger Druckmaschinen Ag, 6900 Heidelberg "bogenuebertragungszylinder von bogenrotationsdruckmaschinen mit einer einrichtung zur passerkorrektur der aufdrucke"
DE3541138A1 (de) * 1984-11-22 1986-05-28 Sharp K.K., Osaka Blatt-aufwickel/ausgabevorrichtung
DE3936345C1 (ja) * 1989-11-02 1991-03-07 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
DE4200406C2 (de) * 1992-01-10 1996-10-10 Heidelberger Druckmasch Ag Greifereinrichtung an bogenverarbeitenden Rotationsdruckmaschinen

Also Published As

Publication number Publication date
CA2158592C (en) 2000-09-05
EP0703075A3 (de) 1996-12-27
DE4433380A1 (de) 1996-03-21
DE59504477D1 (de) 1999-01-21
EP0703075A2 (de) 1996-03-27
US5678486A (en) 1997-10-21
JPH08103992A (ja) 1996-04-23
JP2865597B2 (ja) 1999-03-08
CA2158592A1 (en) 1996-03-21

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