EP1306211A1 - Pince et système pince-arbre - Google Patents

Pince et système pince-arbre Download PDF

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Publication number
EP1306211A1
EP1306211A1 EP02020910A EP02020910A EP1306211A1 EP 1306211 A1 EP1306211 A1 EP 1306211A1 EP 02020910 A EP02020910 A EP 02020910A EP 02020910 A EP02020910 A EP 02020910A EP 1306211 A1 EP1306211 A1 EP 1306211A1
Authority
EP
European Patent Office
Prior art keywords
gripper
shaft
holder
contact surface
profile
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.)
Granted
Application number
EP02020910A
Other languages
German (de)
English (en)
Other versions
EP1306211B1 (fr
Inventor
Hans Zimmermann
Volker Taschenberger
Jörg Reber
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 EP1306211A1 publication Critical patent/EP1306211A1/fr
Application granted granted Critical
Publication of EP1306211B1 publication Critical patent/EP1306211B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B41F21/104—Gripper details

Definitions

  • the invention relates to a Grelfer- / Grelferwellesystem for displays or sheet-leading Cylinders of rotary printing machines with a gripper shaft partially enclosing and with this rotatably connected gripper holder, wherein the gripper holder has a contour of the gripper shaft corresponding contact surface, via which he with the Gripper shaft is in contact and a rotatably mounted to the gripper holder gripper fingers, associated with this using an adjusting element and a compression spring is.
  • Gripper systems on sheet-guiding cylinders and in sheet displays are in the curved Areas exposed to strong forces. They are used to transport signatures needed. For the transport of each sheet several come over the System width Distributed grippers are used.
  • the grippers stand with an associated gripper bar in operative connection and are mounted rotationally fixed on a gripper shaft.
  • the gripper systems used in the area of delivery are these elements arranged in a common body, the general as gripper system body referred to as.
  • the optimum between stiffness and spatial extent of the gripper system body is basically by the realization of a dreiflumbleigen closed over the system width or quasi-closed form, the fourth side being characterized by the protruding Gripper is largely interrupted. These interruptions are required to mount the grippers on the hook shaft by means of rotating and swiveling movements to be able to.
  • the outer shape of the gripper system body is from the existing installation space in the Printing machine and the technological requirements.
  • Each gripper system body with the included grippers must be designed so that the dryer radiation reach the printed sheet unhindered at a given gripper system distance can. This results in the demand for a reduction of the gripper system body.
  • the dimensions of the gripper system body must, however, at least be chosen so large that the gripper still on the built-in gripper system body Gripper shaft can be mounted. As a gripper there are often two-part Systems that require a relatively small installation and mounting space, for Commitment.
  • a gripper system of this type is known from DE 40 26 237 C1.
  • the described gripper is made in two parts. Each of the two parts of the gripper encloses the gripper shaft at an angle smaller than 180 °.
  • One of the two gripper parts is on the gripper shaft releasably secured by means of a screw, while the other gripper part means two compression springs is fixed in position. Both gripper parts together form one Composite with an encircling angle to the gripper shaft greater than 180 °.
  • the described gripper completely encloses the gripper shaft. For assembly / disassembly of the gripper must the gripper shaft only via a recess in the main body of the gripper system body be available.
  • a two-part gripper for sheet-fed printing machines which surrounds the gripper shaft in the form of a half shell.
  • the gripper finger is in the form of an after outside open box formed with a central opening.
  • the essentially the shape of the central opening corresponding gripper holder is by means of a Screw connection on the gripper shaft between the lateral walls of the gripper finger mounted so that the Geiferfinger is guided by the gripper holder.
  • the Agility of the Geiferfingers in the circumferential direction is using a acting as a stop Limited screw.
  • a one-piece gripper finger is apparent, with its web-shaped molded foot part engages in an axially parallel, semi-circular groove of the gripper shaft.
  • the bridge and groove are designed to act as parts of a joint.
  • the object of the invention is, while avoiding the disadvantages mentioned a gripper / Greiferwellesystem to create that is presettable and easy to assemble and low Has size.
  • the gripper of a Grelfer- / Grelferwelles system formed in two parts. It consists essentially of a gripper holder and a gripper finger, wherein the gripper holder is formed so that it forms the gripper shaft in a half-shell shape encloses.
  • the gripper finger is box-shaped and has in its interior a cavity which is provided for receiving the gripper holder. From both Sharing is only the gripper holder on its contact surface with the gripper shaft in Contact.
  • the gripper holder is releasable with the gripper shaft, e.g. by means of a screw connection connected.
  • the gripper finger is opposite to the gripper holder in a separate between both parts trained storage rotatably mounted.
  • a compression spring which clamps the gripper holder relative to the gripper fingers.
  • the contact surface of the gripper holder has a preferably designed as a web profile on, in a formed on the outer radius of the gripper shaft in the form of a groove counter-profile intervenes.
  • the contact surface of the gripper holder can either over the entire Enclosing angle to the gripper shaft abut or be divided so that the Gripper holder rests only on certain partial surfaces of the contact surface on the gripper shaft.
  • raised areas can be formed in the edge regions of the contact surface, which correspond to the contour of the gripper shaft, so that only this and the web of the gripper holder abut the gripper shaft, while the intermediate areas of the Gripper holder have a certain distance from the gripper shaft.
  • profile elements on the contact surface of the gripper holder are optionally rectangular, semicircular or conical grooves or webs provided.
  • a Bridge on the contact surface of the gripper holder of the gripper shaft it is just as possible to provide at this point a groove in a corresponding mating profile of the gripper shaft intervenes.
  • each gripper on the gripper shaft installed in the gripper system body takes place by first the gripper, whose individual components form a solid composite form, is introduced into the designated recess of the gripper system body.
  • the web must be positioned on the gripper holder in the groove of the gripper shaft. is this is done, the gripper is fixed axially by means of a screw on the gripper shaft.
  • the ease of mounting results in the proposed solution further has the advantage that even an opening in the gripper system body is sufficient for mounting, the slight wider than the gripper itself.
  • a gripper shaft 1 Inside a gripper system body 4 is a gripper shaft 1 with mounted thereon Gripper arranged.
  • the gripper shaft 1 is a gripper holder 2, which is a semi-circular recess has, enclosed at an angle of slightly smaller than 180 °.
  • system contact surfaces 18 are formed over which the gripper holder. 2 with the gripper shaft 1 is in contact.
  • it is also possible to perform the contact surface over the entire surface, so that the gripper holder 2 via the entire enclosing angle is applied to the gripper shaft 1 or more than three system part surfaces 18 are formed.
  • the gripper holder 2 preferably has one in the middle of the semicircular recess formed as a web profile 12. This engages in a gripper shaft 1 in the form of a axially parallel groove formed counter-profile 13, so that a form-fitting Connection between gripper shaft 1 and gripper holder 2 results.
  • a groove in the gripper holder in which a the gripper shaft 1 axially parallel trained web engages. From production engineering However, reasons the first embodiment is the preferred variant.
  • a screw 11 is provided, which protrudes through a through hole in the gripper holder 2 and in a in the gripper shaft. 1 engaged thread engages.
  • the gripper finger 3 is opposite a gripper holder. 2 rotatably mounted. This is as a bearing axis between the side walls of the box-shaped constructed gripper holder 2 fixed pin provided whose central axis the Rotary axis 5 of the gripper finger 3 forms. The axis of rotation 5 of the gripper finger 3 thus runs parallel to the central axis of the gripper shaft 1. In other embodiments, the Pin also be set against the gripper holder.
  • On the gripper finger 3 is the hook tip 7, which is in operative connection with the gripper bar 6. Between the hook tip 7 and attached to the gripper system body 4 by means of screws Gripper bar 6 is the sheet, not shown, in a conventional manner clamped.
  • a plate 19 may be provided, which applied by the attacking compression spring 10 Compressive force on the gripper finger 3 transmits.
  • the plate 19 has at its lateral edges Recesses, engage in the formed on the gripper fingers 3 hooks. This arrangement facilitates the replacement of the compression spring 9 by the compression spring 9 by unhooking the plate 19 is made easily accessible.
  • the compression spring 9 By means of the compression spring 9 is the Gripper fingers 3 with acting as a stop adjusting element 10 in the form of a stud pressed against the extension 8 of the gripper holder 2
  • the stud is in a Threaded hole of the gripper finger 3 is screwed in, so that it is also on the gripper shaft 2 mounted gripper is easily accessible.
  • the adjusting element 10 of the gripper be readjusted.
  • the gripper shaft 1 has the entire wavelength a constant diameter, wherein at the outer radius paraxial one or more Grooves or one or more webs or combinations of both profile elements formed could be.
  • first and second shaft sections 14, 15 are over the length of the gripper shaft 1 first and second shaft sections 14, 15 with formed different diameters.
  • the first shaft sections 14 are the Regions of the gripper shaft 1, which provided for receiving the gripper holder 2 are.
  • the first shaft sections 14 have a first diameter 16.
  • Between The first shaft sections 14 are the second shaft sections 15 with a second Diameter 17.
  • the first diameters are 16 larger than the second diameter 17. It has proved to be advantageous, the first Diameter 16 increased by twice the groove depth compared to the second Diameters 17 form.
EP20020020910 2001-10-24 2002-09-19 Pince et système pince-arbre Expired - Fee Related EP1306211B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10152592 2001-10-24
DE2001152592 DE10152592A1 (de) 2001-10-24 2001-10-24 Greifer-/Greiferwellesystem

Publications (2)

Publication Number Publication Date
EP1306211A1 true EP1306211A1 (fr) 2003-05-02
EP1306211B1 EP1306211B1 (fr) 2006-05-17

Family

ID=7703633

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020020910 Expired - Fee Related EP1306211B1 (fr) 2001-10-24 2002-09-19 Pince et système pince-arbre

Country Status (2)

Country Link
EP (1) EP1306211B1 (fr)
DE (2) DE10152592A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8556843B2 (en) 2008-02-02 2013-10-15 AccelDx Blood purification method and apparatus for the treatment of malaria

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005126234A (ja) 2003-10-22 2005-05-19 Heidelberger Druckmas Ag 印刷技術機械を通して枚葉紙を搬送するための装置
DE102010009716A1 (de) 2009-03-19 2010-09-23 Heidelberger Druckmaschinen Ag Vorrichtung zum Fördern eines Bogens
CN103979328A (zh) * 2014-05-22 2014-08-13 邱浩 一种模切机的牙排送纸器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650211A (en) * 1969-02-19 1972-03-21 Roland Offsetmaschf A sheet gripping device for a rotary printing press
DE2725035A1 (de) 1977-06-03 1978-12-07 Koenig & Bauer Ag Bogentransporteinrichtung
DE4026237C1 (fr) 1990-08-18 1992-02-06 Man Miller Druckmaschinen Gmbh, 6222 Geisenheim, De
DE4214191A1 (de) 1992-04-30 1993-11-04 Roland Man Druckmasch Greifer fuer bogendruckmaschinen
DE4321850A1 (de) 1993-07-01 1995-01-12 Roland Man Druckmasch Greifer für Bogendruckmaschinen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1384778A (en) * 1919-04-26 1921-07-19 Miehle Printing Press & Mfg Gripper mechanism
US1488732A (en) * 1921-12-08 1924-04-01 Miehle Printing Press & Mfg Gripper mechanism
DE6608544U (de) * 1967-07-06 1971-09-16 Nebiolo Spa Bogengreifer fuer druckmaschinen.
DE1900057B2 (de) * 1968-01-03 1973-03-01 Adamovske Strojirny, N.P., Adamov (Tschechoslowakei) Greifereinrichtung eines kettenauslegers einer bogendruckmaschine
DE6906453U (de) * 1969-02-19 1971-09-16 Roland Offsetmaschf Klemmgreifer fuer bogenrotationsdruckmaschinen.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3650211A (en) * 1969-02-19 1972-03-21 Roland Offsetmaschf A sheet gripping device for a rotary printing press
DE2725035A1 (de) 1977-06-03 1978-12-07 Koenig & Bauer Ag Bogentransporteinrichtung
DE4026237C1 (fr) 1990-08-18 1992-02-06 Man Miller Druckmaschinen Gmbh, 6222 Geisenheim, De
DE4214191A1 (de) 1992-04-30 1993-11-04 Roland Man Druckmasch Greifer fuer bogendruckmaschinen
DE4321850A1 (de) 1993-07-01 1995-01-12 Roland Man Druckmasch Greifer für Bogendruckmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8556843B2 (en) 2008-02-02 2013-10-15 AccelDx Blood purification method and apparatus for the treatment of malaria

Also Published As

Publication number Publication date
DE50206789D1 (de) 2006-06-22
EP1306211B1 (fr) 2006-05-17
DE10152592A1 (de) 2003-05-08

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