EP0931748B1 - Punkturloser Falzapparat für Rotationsdruckmaschinen - Google Patents

Punkturloser Falzapparat für Rotationsdruckmaschinen Download PDF

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Publication number
EP0931748B1
EP0931748B1 EP99100555A EP99100555A EP0931748B1 EP 0931748 B1 EP0931748 B1 EP 0931748B1 EP 99100555 A EP99100555 A EP 99100555A EP 99100555 A EP99100555 A EP 99100555A EP 0931748 B1 EP0931748 B1 EP 0931748B1
Authority
EP
European Patent Office
Prior art keywords
copy
cylinder
cutting
holding devices
folder
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
EP99100555A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0931748A1 (de
Inventor
Serge Lanvin
Eddie Smelten
Thierry Vauchelle
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0931748A1 publication Critical patent/EP0931748A1/de
Application granted granted Critical
Publication of EP0931748B1 publication Critical patent/EP0931748B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16—Rotary folders
    • B65H45/162—Rotary folders with folding jaw cylinders
    • B65H45/165—Details of sheet gripping means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/28—Folding in combination with cutting

Definitions

  • the invention relates to a pointless folder for Rotary printing machines, in particular for web processors Rotary presses.
  • US 5,122,109 relates to a folding cylinder in a folder for Rotary presses.
  • a material web to be cut on the folding cylinder is seen from a large number in the axial direction of the folding cylinder, belt strips arranged next to each other are held. Through the gaps between The individual strips of tape have their tips on the circumference of the folding cylinder of a folding knife. At least two belt strips are within one corresponding area connected to each other, a variety of such interconnected belt pulls is provided.
  • These groups of Belt pulls on the folding cylinder are connected to actuators, so that the Pretension of each belt tension is variable.
  • each comprises the actuating units a shelf, which is connected to a positioning rake, the the belt pulls are assigned, as well as an adjusting shaft.
  • the shelf is in one attached to the control shaft eccentric position, based on their position on Deputy rake.
  • DE 295 11 605 U1 relates to a drum folding device for a Rotary printing machine with an upper and a lower ribbon group, the both route the products to be folded over two folding rollers, and one with a folding drum moving folding knife, which the products to be folded in the Press the inlet gap of the folding rollers in and with the product to be folded guide devices arranged on both sides of the inlet gap.
  • the baffles with Tongues or tongues protrude into the range of movement of the folding knife and the folding knife has window-shaped recesses in the area of the tongues on.
  • JP Hei 7-24370 U refers to a cutting device on a pointless Folder.
  • the stripes on the The circumference of the cylinders interlock and confer between the cylinders located web of material a corrugated profile to the freely advanced material stiffen so that a smooth transition of the freely advanced Material web section in the downstream conveyor belts is possible.
  • JP Hei 7-89670 relates to a flap folder for rotary printing presses. at the incoming material web is first only partially cut, then gripped by grippers before the material web is completely cut off. At this Configuration is not a pointless folder, but rather one in which puncture needles are provided.
  • EP 0 656 307 A1 discloses a cylinder for transporting signatures in one Folder of a web-fed rotary printing press.
  • the signatures are on her The front edge is held on the lateral surface of the cylinder by means of pin needles.
  • One on a cutting knife received by a cutting cylinder separates them by the needles fixed signatures against a cutting counter bar held on the cylinder.
  • grippers are replaced by one Rest position moved to a working position so that the signatures on her Grip leading edge and be held on the lateral surface.
  • the invention is based on the object to avoid the conveyor belts connected downstream of the cutting devices and at the Cutting devices to save the counter cylinder.
  • the advantages associated with the solution according to the invention are more diverse Nature.
  • the specimen holding devices according to the invention fix the Copies immediately after the cutting process, so that with multilayer Production a fluttering through the air resistance during further transport of the free end is excluded.
  • On conveyor belts to promote the Copies to the next folding cylinder can be dispensed with completely,
  • the counter cylinder on the pair of cutting cylinders is saved because the Cutting cylinder with the copy-leading cylinder as counter cylinder cooperates.
  • the Copy holding devices on the copy-holding cylinder or on the Cutting cylinder can be arranged.
  • the cyclical actuation of the Copy holding facilities take place after completion of the Cross cutting process, the specimens are from specimen holding devices overlapped and detected on the circumference of the copy-leading cylinders.
  • the specimen holding devices can be electromotive or by means of a Curve control or energy storage - e.g. by spring packs - be operated.
  • the detection movement of the specimen holding devices can through a superimposed extension and gripping movement by a lever system, the levers coupled together being about different axes move. Within a detection range that is between 10 ° and 15 °, based on one revolution of the cylinder holding the specimen the specimen holding devices out of the cylinder and grasp the fresh cut front edge with a counter to the direction of rotation of the copy-guiding cylinder directed detection movement.
  • these can also be provided on the cutting cylinder and there as counterhold the surface of the opposite cylinder holding the specimen to fix the front edge of the severed specimen to it.
  • Folders according to the present invention are particularly popular Rotary printing presses used - be it commercial or Newspaper presses.
  • the inventive method for cutting sheet material comprises the support of an incoming material on the surface of a copy-leading cylinder, the cooperation of the cutting cylinder with the copy-leading cylinder and the cyclical activation of Copy holding devices that are assigned to at least one of the cylinders as well as opposite to the sense of rotation of the specimen-guiding cylinder are movable, following the leading edge of the next copy the cutting process.
  • Fig. 1 shows a pointless folder according to the prior art with conveyor belts arranged after the pair of cutting cylinders.
  • a single or multi-layer material web 3 runs over a first one Pull roller pair 2 and a further pair of pull rollers 4 in a folder 1 on.
  • copies of the Material web 3 separated which then enters between the rotating Conveyor belts 6, 7 are conveyed to the folding knife cylinder.
  • the incoming copies are gripped and then the fold back of the copies from the folding knives into the The jaws of the jaw cylinder 11 are pushed in.
  • Each of the transport cylinders 12 and 13 is assigned an upper or lower display 14 or 15, via which the copies for further processing.
  • Fig. 3 shows the side view of a cylinder configuration according to the invention in Folder with a cylinder assigned to the specimen leading cylinder Cutting cylinder.
  • the cutting cylinder 16 comprises two Cutting knife 17 and has two copies on its outer surface to be recorded in a row, one speaks in this context also of double diameter, while the folding knife cylinder in this 2 four copies on its peripheral surface 19th can record in a row.
  • the specimen holding facilities on Folding knife cylinders 8 are shown in more detail in the following figures described.
  • the folding knife cylinder 8 works with in this configuration also four copies receiving jaw cylinder 11 together, the is equipped with jaws 20.
  • Gripper 21 on the two Transport cylinders 12 and 13 take the cross-folded copies of the circumference of the jaw cylinder 11 and direct it to an upper or a lower one Display 14 or 15 too.
  • Fig. 3 shows the mutually cooperating cutting cylinder and the copy-leading cylinder in an enlarged side view.
  • the folding knife cylinder 8 - To ensure copy transfer to the cylinder 8 holding the copy - here the folding knife cylinder 8 - after completion of the cross cutting process, are both the folding knife cylinder 8 and the cutting cylinder 16 with Copy holding devices 22 equipped.
  • the folding knife cylinder 8 In the configuration shown can the folding knife cylinder 8, three copies on the circumference 19, the Cutting cylinder 16 to take two copies on the circumference.
  • the Folding knife cylinders 8 can be seen on the circumference 19, three grooved beams 32 provided with the cutting knives 17 held in knife bearings 18 of the cutting cylinder 16 work together. Seen in the direction of the copy, are 32 specimen holding devices 22 directly behind the grooved beam - here formed as a gripper 10 - arranged.
  • Copy holding devices are provided in the form of counterholders 27 which - in Seen copy direction - are arranged in front of the cutting blades 17.
  • the Bracket 27 is supported on a rounded surface 23 in the idle state the knife bearing 18 and are, for example, by a in Fig. 3rd shown curve / roller system extended or retracted.
  • the Counterholder 27 is received on a lever 24 which is about an axis of rotation 25 is movable, the pivoting movement about the axis 25 by a Cam roller 26 is generated on a control curve, not shown in Fig. 3 expires.
  • the extended one contacts Bracket 27 the front edge of each by one of the cutting knives 17 newly separated copy and presses the Front edge of the same after the cut has been made against the peripheral surface 19 of the folding knife cylinder 8.
  • the front edge of the copy is first fixed before the specimen holding devices 22 in the form of grippers 10 extend the folding knife cylinder 8 to close the front edge of the copy take.
  • the stages of the individual components of the specimen holding devices on the cylinders are in the sequence of figures of Figs. 4-8 shown in more detail.
  • the two control rollers 26 and 31 each lie on the high points of the respective control curves on and leave it, as below in 5 will be explained in connection with the description of FIG.
  • the specimen holding devices 22 in the form of the grippers 10 in the adjoining the cutting gap 34 Cylinder gusset extended and about to have the front edge 36 of the specimen 35 to spread.
  • these are each offset to each other on the circumferential surfaces of the cylinders 8 and 16, respectively.
  • the tapering tip of the counter holder 27 can on the curvature of the Circumferential surface 19 of the copy-guiding cylinder can be adapted and made elastic material. The flexibility of the counter holder 27 allows processing of specimens of different thicknesses 35, not least by the number of pages and the printed material depends.
  • the specimen holding devices 22 slide during the common further rotation of the exemplary cylinder 8 with the Cutting cylinder 16 in the cylinder gusset adjacent to the cutting gap 34.
  • the grippers 10 of the copy-guiding cylinder 8 move counter to the Direction of rotation thereof and thus gradually overlap the front edge 36 of copies 35.
  • the front edge 36 is still in the state shown in FIG from the extended counter-holder 27 against the peripheral surface 19 of the copy-leading cylinder 8 pressed on the grooved bar 32.
  • FIG. 7 shows how the specimen holding devices 22, in particular the counterholder 27 on the cutting cylinder 16 from the specimen contact area in the Have moved cutting gap 34 away.
  • the counterholder 27 now moves in again the cutting cylinder 16 a.
  • the cylinder 8 which is the example can be a folding knife cylinder or a transfer cylinder that the Copies 35 additional cylinders.
  • the exemplary cylinder 8 can also be a collecting cylinder, on the peripheral surface 19 of which a different one Number of copies 35 collected and then shared is transported or folded together. With the cross folding processes can be both parallel fold or double parallel fold. Also Delta folds are common fold formats.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
EP99100555A 1998-01-27 1999-01-13 Punkturloser Falzapparat für Rotationsdruckmaschinen Expired - Lifetime EP0931748B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9800842A FR2774023B1 (fr) 1998-01-27 1998-01-27 Plieuse sans pointure pour machines rotatives a imprimer
FR9800842 1998-01-27

Publications (2)

Publication Number Publication Date
EP0931748A1 EP0931748A1 (de) 1999-07-28
EP0931748B1 true EP0931748B1 (de) 2002-07-03

Family

ID=9522200

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99100555A Expired - Lifetime EP0931748B1 (de) 1998-01-27 1999-01-13 Punkturloser Falzapparat für Rotationsdruckmaschinen

Country Status (7)

Country Link
EP (1) EP0931748B1 (xx)
JP (1) JP4170495B2 (xx)
CN (1) CN1118370C (xx)
CZ (1) CZ21899A3 (xx)
DE (2) DE19853415A1 (xx)
FR (1) FR2774023B1 (xx)
HK (1) HK1021162A1 (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10344950A1 (de) * 2003-09-27 2005-04-28 Koenig & Bauer Ag Zylinder mit einem Zylinderkörper und wenigstens einem Greifer
DE102004002348A1 (de) * 2004-01-16 2005-08-11 Koenig & Bauer Ag Falzapparat

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6551227B1 (en) * 1999-12-08 2003-04-22 Heidelberger Druckmaschinen Ag Device for seizing of flat material on a transporting surface
US6652437B1 (en) * 1999-12-28 2003-11-25 Heidelberger Druckmaschinen Ag Actuated product seizing element in a folder apparatus
US6705981B2 (en) 2000-01-27 2004-03-16 Heidelberger Druckmaschinen Ag Device for retention of products on a transporting surface in a folder
DE10058758A1 (de) * 2000-11-27 2002-05-29 Heidelberger Druckmasch Ag Falzklappenanordnung an exemplarverarbeitenden Falzzylindern
DE102005002683A1 (de) * 2005-01-20 2006-08-03 Man Roland Druckmaschinen Ag Falzapparat für eine Rollenrotationsdruckmaschine
CN101254598B (zh) * 2007-02-26 2011-07-06 全利机械股份有限公司 具有螺旋曲线转角上刀刃的薄纸裁切机构及其刀刃结构
DE102012211783A1 (de) 2012-07-06 2014-01-09 Kba-Metalprint Gmbh Fördervorrichtung und ein Verfahren zum Fördern von Bedruckstoffbogen
DE102012211784A1 (de) 2012-07-06 2014-01-09 Kba-Metalprint Gmbh Fördervorrichtung und ein Verfahren zum Fördern von Bedruckstoffbogen
JP5425294B1 (ja) * 2012-11-21 2014-02-26 株式会社東京機械製作所 バリアブルカットオフ折機、及びバリアブルカットオフ折機を備える印刷機
CN103086185B (zh) * 2013-01-29 2015-05-20 无锡长城机器制造有限公司 免戳针书刊轮转胶印机折页机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3241188B2 (ja) * 1993-09-21 2001-12-25 三菱重工業株式会社 折丁作成方法及びその装置
DE4340858C2 (de) * 1993-12-01 1998-02-12 Koenig & Bauer Albert Ag Zylinder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10344950A1 (de) * 2003-09-27 2005-04-28 Koenig & Bauer Ag Zylinder mit einem Zylinderkörper und wenigstens einem Greifer
DE102004002348A1 (de) * 2004-01-16 2005-08-11 Koenig & Bauer Ag Falzapparat
US7442158B2 (en) 2004-01-16 2008-10-28 Koenig & Bauer Aktiengesellschaft Folding apparatus

Also Published As

Publication number Publication date
HK1021162A1 (en) 2000-06-02
DE19853415A1 (de) 1999-07-29
CN1118370C (zh) 2003-08-20
CN1224658A (zh) 1999-08-04
EP0931748A1 (de) 1999-07-28
CZ21899A3 (cs) 1999-08-11
FR2774023B1 (fr) 2000-04-14
DE59901885D1 (de) 2002-08-08
JP4170495B2 (ja) 2008-10-22
JPH11255425A (ja) 1999-09-21
FR2774023A1 (fr) 1999-07-30

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