EP1985447A1 - Biegevorrichtung und dazugehörige Druckpresse - Google Patents

Biegevorrichtung und dazugehörige Druckpresse Download PDF

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Publication number
EP1985447A1
EP1985447A1 EP08103407A EP08103407A EP1985447A1 EP 1985447 A1 EP1985447 A1 EP 1985447A1 EP 08103407 A EP08103407 A EP 08103407A EP 08103407 A EP08103407 A EP 08103407A EP 1985447 A1 EP1985447 A1 EP 1985447A1
Authority
EP
European Patent Office
Prior art keywords
folding
blade
rotor
folding device
blades
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
EP08103407A
Other languages
English (en)
French (fr)
Other versions
EP1985447B1 (de
Inventor
Jilani Chrigui
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.)
Goss International Montataire SA
Original Assignee
Goss International Montataire SA
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 Goss International Montataire SA filed Critical Goss International Montataire SA
Publication of EP1985447A1 publication Critical patent/EP1985447A1/de
Application granted granted Critical
Publication of EP1985447B1 publication Critical patent/EP1985447B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H45/161—Flying tuck folders

Definitions

  • Document is known DE 102 10 030 a rotary folding device comprising a rotor on which is arranged a single folding blade. The only folding blade is rotated around this rotor.
  • a fixed central gear with respect to a frame, an intermediate gear and a toothed gear fixed to the blade serve to drive the blade in rotation with respect to the rotor.
  • the number of revolutions of the rotor of this device must be equal to the number of copies to be folded in a given period of time.
  • the blade is rotated about its own axis between a retracted position and an extended position. This radial position change relative to the rotor leads to a dynamic imbalance of the folding device.
  • the invention aims to overcome these disadvantages and to provide a folding device that increases the production speed of the folding device and thus facilitate dynamic balancing.
  • the invention also relates to a printing press, particularly rotary, comprising a folding device, characterized in that the folding device is a device as defined above.
  • FIG. 1 On the Figure 1 is shown in perspective a folding device according to the invention, designated by the general reference 2.
  • the folding device 2 is used to fold a series of flat products, such as signatures C 1 , C 2 , C 3 , C n .
  • the folding device 2 is part of a printing press, especially rotary, not shown.
  • the folding device 2 comprises a folding table 4 adapted to support the signatures C 1 , C 2 , C 3 , C n to fold in a horizontal position before folding.
  • the folding device 2 further comprises a fixed frame 6 which is fixed with respect to the folding table 4.
  • the folding device 2 is further provided with a conveyor 8 adapted pure convey the succession of signatures C 1 , C 2 , C 3 , C n to the folding table 4.
  • This conveyor 8 consists of a multitude of strips conveying 9.
  • the folding device 2 also comprises a pair of folding rollers 10, 12 arranged below the folding table 4 and defining a slot folding 14 between them. Also, at the location of the folding slot 14, the folding table 4 has an opening 16 for passage. This opening passage 16 allows the signatures C 1 , C 2 , C 3 , C n to cross the folding table 4 during folding.
  • the conveyor 8 is adapted to convey the signatures to fold C 1 , C 2 , C 3 , C n according to a transport direction T.
  • the folding device 2 is provided with a rotor 18 free in rotation with respect to the frame 6 about a central axis XX.
  • the rotor 18 is supported by the frame 6 by means of two shafts 20, 22.
  • the first shaft 20 is housed in two bearings 24, 26, while the second shaft 22 is housed in a connecting sleeve 28.
  • the connecting sleeve 28 is fixed to the rotor of a drive motor 30 adapted to drive the rotor 18 relative to the frame 6 in rotation around the central axis XX.
  • the folding device 2 also comprises a first folding blade 32 and a second folding blade 34 of flat products to be folded.
  • the folding device 2 is provided with first displacement means 36 of the first folding blade 32 with respect to the rotor 18 between a first retracted passage position (see FIG. Figure 3 ) and a first fold out position (see Figure 5 ) passing through an intermediate position ( Figure 4 ).
  • the folding device 2 is also provided with second moving means 38 of the second folding blade 34 with respect to the rotor 18 between a second retracted passage position (see FIG. Figure 3 ) and a second folding output position (see Figure 5 ).
  • the folding blades 32, 34 are arranged vertically.
  • the first folding blade 32 defines a first blade plane P1-P1 while the second folding blade 34 defines a second blade plane P2-P2.
  • the central axis XX extends parallel to the blade planes P1-P1 and P2-P2. In addition, the central axis XX extends parallel to the transport direction T.
  • the first displacement means 36 comprising a first blade holder 40 on which is fixed the first folding blade 32.
  • This first blade holder 40 is rotatable relative to the rotor 18 about a first axis of rotation of the carrier. AR1-AR1 blade.
  • the first blade holder 40 is housed in the rotor 18 by means of two needle bearings 42, 44 and a ball bearing 46.
  • the first moving means 36 further comprises first drive means 48 of the first blade carrier 40 about the axis rotation AR1-AR1.
  • the second displacement means 38 comprise a second blade holder 50 on which is fixed the second folding blade 34, this second blade holder 50 being rotatable relative to the rotor 18 about an axis of rotation AR2-AR2.
  • the second displacement means 38 further comprise drive means 52 of the blade holder 50 about its axis of rotation AR2-AR2.
  • the first drive means 48 are provided with a first blade holder gear 54 which is rotationally fixed relative to the first blade holder 40.
  • the first drive means 48 also comprise a first intermediate gearwheel 56 ( see Figures 3 to 5 ).
  • This first intermediate gearwheel 56 is rotatable about an own axis Al1-Al1 relative to the rotor 18.
  • This first gear 56 meshes with a central gear 58 which is fixed coaxially with the axis XX on the frame 6 .
  • the second drive means 52 comprise a second blade holder toothed wheel 60 fixedly fixed in rotation to the second blade holder 50, and a second intermediate gearwheel 62 rotatable about a second intermediate axis of rotation. AI2-AI2 with respect to the rotor 18. This second intermediate gearwheel 62 meshes with the second toothed wheel of the blade carrier 60 and with the central gear wheel 58.
  • the blades 32, 34, the blade carriers 40, 50 and the intermediate gearwheels 56, 62 are uniformly distributed over the circumference of the rotor 18 around the central axis XX.
  • the associated elements are located diametrically opposite one another. This arrangement leads to a dynamic equilibrium during the rotation of the rotor 18 about its axis XX.
  • the first 36 and second 38 moving means are adapted to move the first 32 and second 34 folding blades synchronously between the associated retracted position and the associated output position. As shown on the Figure 5 when the first folding blade 32 is in its extended position, the second folding blade 34 is also in its extended position. Likewise, when the first folding blade 32 is in its retracted position ( Figure 3 ), the second folding blade 34 is also in its retracted position.
  • This arrangement further increases the dynamic balance of the folding device 2.
  • each blade 32, 34 is less than the distance between the central axis of rotation XX and the associated axis of rotation AR1, AR2.
  • the folding blades 32, 34 do not touch during their rotation about their respective axis of rotation AR1, AR2.
  • the folding device according to the invention operates as follows:
  • the conveyor 8 conveys the signatures to fold C 1 , C 2 , C 3 on the folding table 4, and this with a frequency F.
  • the blades 32, 34 are in their retracted position (see Figure 3 ) allowing the passage of the signature on the table 4.
  • the rotor 18 is driven around its central axis XX by the motor 30 at a frequency which corresponds to half the frequency F.
  • one of the folding blades 32, 34 pushes the signature C 1 , C 2 , C 3, C n through the opening 16 in the folding slot 14 thus folding this signature.
  • the folded signature is driven by the folding rollers 10, 12 downward (see FIG. Figure 5 ).
  • the rotation frequency of the rotor 18 is less than the routing frequency F of the signatures C 1 , C 2 , C 3 , C n .
  • the rotational speed of the rotor 18 is 30,000 t / h.
  • the rotational speed of the rotor 18 may be low.
  • This second embodiment differs from that previously described by the following. Similar elements bear the same references.
  • each of the folding blades 32, 34 In the folding position, each of the folding blades 32, 34 extends horizontally, and in its retracted position, each folding blade 32, 34 extends vertically.
  • the folding device 2 comprises two signature supports to be folded. These supports are unrepresented tables and are of the same design as the folding table 4 with transport cords, but they are arranged vertically to receive the bending signatures horizontally. These supports replace the folding table 4 described above.
  • Each of the signature media is adapted to maintain a signature in a vertical position prior to folding. The signatures to be folded are held facing each other so that the two folding blades 32, 34 can simultaneously come into contact with the associated signature C 1 , C 2 .
  • the folding device further comprises two pairs of folding rollers 10A, 12A, 10B, 12B, each of which delimits a folding slot 14A, 14B.
  • the folding device 2 further comprises switching means 70 adapted to switch the signatures to fold alternately to one and the other of the supports.
  • the folding device 2 with more than two folding blades, for example three folding blades.
  • the folding blades are also evenly distributed on the rotor 18.
  • the folding blades are spaced 120 ° from each other.
  • the means for driving the folding blades between their retracted and extended position can be achieved by means other than toothed wheels, for example by electromagnetic means such as electro-magnets.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP08103407A 2007-04-27 2008-04-07 Biegevorrichtung und dazugehörige Druckpresse Not-in-force EP1985447B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0754752A FR2915423B1 (fr) 2007-04-27 2007-04-27 Dispositif de pliage et presse d'impression correspondante

Publications (2)

Publication Number Publication Date
EP1985447A1 true EP1985447A1 (de) 2008-10-29
EP1985447B1 EP1985447B1 (de) 2010-12-15

Family

ID=38616301

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08103407A Not-in-force EP1985447B1 (de) 2007-04-27 2008-04-07 Biegevorrichtung und dazugehörige Druckpresse

Country Status (6)

Country Link
US (1) US20080272531A1 (de)
EP (1) EP1985447B1 (de)
JP (1) JP2008273740A (de)
CN (1) CN101306775B (de)
DE (1) DE602008003945D1 (de)
FR (1) FR2915423B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7850588B2 (en) * 2007-09-26 2010-12-14 Goss International Americas, Inc Folder with common chopper
JP4506835B2 (ja) * 2008-01-14 2010-07-21 富士ゼロックス株式会社 折り筋装置及びこれを用いた後処理装置並びに記録材処理装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155067A (ja) * 1984-08-28 1986-03-19 Komori Printing Mach Co Ltd 巻紙輪転印刷機の折機
US5653429A (en) * 1993-12-24 1997-08-05 Koenig & Bauer Aktiengesellschaft Cylinder folding apparatus
DE10210030A1 (de) 2001-04-09 2002-10-10 Heidelberger Druckmasch Ag Rotationsschwertfalzwerk
US20050103215A1 (en) * 2002-02-26 2005-05-19 Igor Janzen Folding appliances

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US868854A (en) * 1907-01-25 1907-10-22 Goss Printing Press Co Ltd Associating, folding, and delivering mechanism for printing-machines.
US868918A (en) * 1907-06-19 1907-10-22 Goss Printing Press Co Ltd Associator and folder for printing-machines.
US3038719A (en) * 1959-01-22 1962-06-12 Miehle Goss Dexter Inc Cutting and folding mechanism
GB1281560A (en) * 1968-12-30 1972-07-12 Ryutaro Yoritomi Continuous disc type dehydration press
US3632104A (en) * 1969-08-27 1972-01-04 Harris Intertype Corp Balanced folder assembly
US4338086A (en) * 1980-08-29 1982-07-06 Heater Charles P Machine for making longitudinal and transverse folds in fabric
FR2546818B1 (fr) * 1983-06-06 1987-03-20 Marinoni Harris Sa Dispositif pour ralentir les exemplaires dans un pli d'equerre de plieuse utilisee en relation avec les presses rotatives
GB2255551B (en) * 1991-05-10 1995-01-18 Frankenthal Ag Albert Feeding signatures to a reciprocating blade folder
DE4225810C2 (de) * 1992-08-05 1995-06-14 Roland Man Druckmasch Falzzylinder
DE19642124A1 (de) * 1996-10-12 1998-04-23 Koenig & Bauer Albert Ag Verfahren und Vorrichtung zum Verhindern von Produktionsstörungen an Falzeinrichtungen
JP3433800B2 (ja) * 2000-10-04 2003-08-04 株式会社東京機械製作所 輪転機のチョッパー折り装置
JP2005035682A (ja) * 2003-07-15 2005-02-10 Komori Corp チョッパテーブル
US7850588B2 (en) * 2007-09-26 2010-12-14 Goss International Americas, Inc Folder with common chopper

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6155067A (ja) * 1984-08-28 1986-03-19 Komori Printing Mach Co Ltd 巻紙輪転印刷機の折機
US5653429A (en) * 1993-12-24 1997-08-05 Koenig & Bauer Aktiengesellschaft Cylinder folding apparatus
DE10210030A1 (de) 2001-04-09 2002-10-10 Heidelberger Druckmasch Ag Rotationsschwertfalzwerk
US20050103215A1 (en) * 2002-02-26 2005-05-19 Igor Janzen Folding appliances

Also Published As

Publication number Publication date
US20080272531A1 (en) 2008-11-06
JP2008273740A (ja) 2008-11-13
EP1985447B1 (de) 2010-12-15
DE602008003945D1 (de) 2011-01-27
CN101306775A (zh) 2008-11-19
CN101306775B (zh) 2013-06-05
FR2915423B1 (fr) 2010-12-10
FR2915423A1 (fr) 2008-10-31

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