EP1247775A1 - Plieuse pour les produits imprimés - Google Patents

Plieuse pour les produits imprimés Download PDF

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Publication number
EP1247775A1
EP1247775A1 EP01810320A EP01810320A EP1247775A1 EP 1247775 A1 EP1247775 A1 EP 1247775A1 EP 01810320 A EP01810320 A EP 01810320A EP 01810320 A EP01810320 A EP 01810320A EP 1247775 A1 EP1247775 A1 EP 1247775A1
Authority
EP
European Patent Office
Prior art keywords
folding
folding device
strands
sword
printed sheets
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
EP01810320A
Other languages
German (de)
English (en)
Other versions
EP1247775B1 (fr
Inventor
Peter Dr. Merkli
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.)
Mueller Martini Holding AG
Original Assignee
Grapha Holding 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 Grapha Holding AG filed Critical Grapha Holding AG
Priority to DE50115305T priority Critical patent/DE50115305D1/de
Priority to EP01810320A priority patent/EP1247775B1/fr
Priority to JP2002081191A priority patent/JP4138346B2/ja
Priority to US10/108,891 priority patent/US7097608B2/en
Publication of EP1247775A1 publication Critical patent/EP1247775A1/fr
Application granted granted Critical
Publication of EP1247775B1 publication Critical patent/EP1247775B1/fr
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
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel to the direction of movement

Definitions

  • the invention relates to a folding device for printed sheets, with a saddle-shaped folding sword on which the printed sheets are folded in one go and that is an internal management body has, with an outer, concurrent folding member that for Folding the printed sheets cooperates with the guide element.
  • Folding devices of the type mentioned are known. With these the sheets to be folded are placed on a stationary one Folded sword guided and on this continuously with the outer, concurrent folding organ.
  • the folding folder is, for example, by ribbons, round strings, V-belts or Chains formed.
  • a particular disadvantage here is that the Folding takes place only gradually in such a folding device and only at the end of the folding process the printed sheets with a positive fit rest on the folding sword. Only at this end of the folding process the printed sheets are held securely and can slip free be transported. Before this end are the printed sheets very unstable and can deviate from the intended path, which results in inaccurate folding.
  • Another difficulty is that the sheets to be folded are on braked on the inside by the stationary folding sword and tend to smear if necessary. All the more so the more the outer folder acts.
  • the inner folding member is, for example, a chain with attached roof-shaped elements or is formed, for example, by round strings.
  • a generic folding device has become known, in which the inner folding member is formed by a linear arrangement of folding rollers.
  • the inner folder should be fine on the one hand, so that a sharp, complete and closed fold can be formed, and on the other hand, this folder should be robust, because the folder should not be bent or damaged, even if it is blocked, which requires a certain size. These two requirements contradict each other, so that compromises in one direction or another are necessary.
  • the inner folding member is formed by rolls lying one behind the other in accordance with the aforementioned Swiss patent specification, there is the difficulty that the leading edges of the printed sheets to be folded have to run in again and again over the next roll during the folding process. If this shrinkage does not always occur exactly at the same point on the sheet to be folded, there is no clean fold and the folding accuracy cannot meet high requirements. The precise running of the printed sheets onto the rolls is difficult to achieve, since tensions in the sheets to be folded cannot be avoided during the continuous folding process.
  • the invention has for its object a folding device to create the type mentioned, which enables a more precise folding and yet simple, robust and inexpensive can be manufactured.
  • the task is in a generic folding device resolved that the inner governing body below a standing folded edge is arranged. With this folder can create a fine, saddle-shaped and continuous fold line be formed at the folding sword.
  • the internal governing body is arranged where the outer folding organ the printing sheet grabs and transports. This will make the printed sheet to be folded clearly and consistently managed. The unwanted slipping the printing sheet on the folding blade is thus effectively prevented.
  • the inner guide member trained so that it is on lateral guide surfaces of the folding sword. This allows the areas to to whom the printed sheets are routed can be precisely determined.
  • the folding sword tapers in the running direction at least in a front area, so the printed sheets can be largely closed and nevertheless, the folding sword can be made robust.
  • the inner guide member is by several in one Line arranged roles formed. These are preferred arranged so that they have at least one outer edge protrude laterally on the guide surfaces of the folding sword. Particularly good guidance results when the roles have an area on at least one edge which essentially parallel to a lateral guide surface of the folding sword is.
  • the outer, concurrent folding member is formed by two strands, preferably by two V-belts.
  • the printed sheets are guided in a particularly stable manner if these V-belts are not simply fed to the folding blade, but if they are twisted along the folding blade in accordance with the infeed.
  • the sheets are thus guided very stably during the folding process and stretched over the edge of the folding blade.
  • the printed sheets are thus stably guided over the entire area of the folding blade and sliding and other deviations from the intended path are effectively avoided.
  • the printed sheets 3 to be folded are previously in a stack 2 stacked. From this stack 2 is the lowest sheet 3 from a sucker 5 in the detection area a gripper drum 7 tilted. Gripper 6 of this gripper drum 7 each capture a tilted printed sheet 3 and pull it out of stack 2.
  • the printed sheet 3 can be scored or notched with a notch wheel not shown here to prepare the fold in another way, for example weakened or processed by moistening.
  • the deducted Print sheets 3 are each individually from transfer belts 10 and 9 led to an inlet 32 of a folding section 33. This folding section 33 is essentially a Folding sword 18, two endless strands 12 and two press rolls 16 formed.
  • the gripper drum 7 is driven by a shaft 8 in the direction of Arrow 35 driven.
  • the shaft 8 is driven with a drive member 34.
  • the transfer belts 10 are of the Gripper drum 7 driven and these are guided so that the press rollers 16 and two guide rollers 29 drive.
  • Wheel 13 ' is driven by the drive member 34 in turn drives the strands 12. This is synchronous the gripper drum 7 with the press rollers 16 and the two Strands 12 guaranteed.
  • the Tension of the feed belts 10 can be set.
  • the folding sword 18 has two halves according to FIGS. 3 to 5 18a and 18b, which are placed against one another and with screws 35 are releasably connected. Between these halves 18a and 18b there are exceptions 25, in each of which one Roller 26 is mounted; the rollers 26 are arranged in a row. The storage is done with a cap screw 24, which is screwed into the half 18a or 18b as well a pivot bearing 27. These exceptions 25 each point below a fold edge 22 for each roll 26 window 36, the 3 are formed in a segment of a circle. These windows 36 are each located in an upper area vertical inclined guide surface 21a or 21b.
  • the folded edge 22 becomes a standing (uninterrupted), comparatively sharp fold line 22a formed, which extends over the entire Folding section 33 extends.
  • the folded edge 22 forms in Cross section of an equilateral triangle.
  • the rollers 26 protrude with outer edges 26a, one guide surface 21a or 21b and form side surfaces in this area according to FIGS. 9 and 10 31, which are parallel to the guide surfaces 21a and 21b are.
  • the rollers 26 thus protrude through the edges Window 26 to the outside of the folding sword 18 and protrude the guide surfaces 21a and 21b.
  • the distance of these areas 31 to the guide surfaces 21a and 21b is comparative small, for example 0.5 mm.
  • 3 and 4 show the rollers 26 and the windows 36 are in the front half of the folding sword 18 arranged. That seen in the running direction foremost window 36a is in the area of two opposite Surfaces 28 which the folding sword 18 on the front Taper the end, as can be seen particularly clearly in FIG. 5 leaves.
  • the rollers 26 work with the two for the folding process Strands 12 together, which with guide rollers 13 the guide rollers 29 and other guide rollers 37 an outer folding member 38 form.
  • the two strands 12 are preferably V-belts, which is the trapezoidal one shown in FIG. 7, for example Have cross-section.
  • the strands 12 can also designed for example as round strings, bands or chains his.
  • the two strands are 12 driven synchronously with the transfer belts 9 and 10.
  • the running direction of the two strands 12 is in Fig. 1 by the Arrow 39 indicated.
  • the Guide rollers 37 are located in the area of the folding section 33 and are arranged so that the two strands 12 according to FIG. 9 or 10 are delivered to the folding sword 18.
  • the two are Strands 12 in the region of the folding section 3 about their longitudinal direction wound.
  • the two are shortly after the inlet 32 Strands 12 according to the cross section shown with solid lines wound so that these are elastic with lower edges 40 rest on the fold edge 22 in the region of the fold line 22a.
  • a printed sheet 3 to be folded is thus in the region of the forming fold performed on the fold line 22. Since the sheet 3 here are comparatively wide open, and since the fold edge 22 comparatively sharp in the area of the fold line 22a is, the friction surface is comparatively small.
  • the two strands 12 each migrate in the same direction with said edges 40 down and initially into those indicated by dash-dotted lines in FIG. 9 Position.
  • the edges 40 reach the area of the surfaces 31 and fold the printed sheet 3 fold line 22a.
  • the corresponding folded sheet 3 ' is on at this point also indicated by a dash-dotted line.
  • the strands 12 reach those with dashed lines Line shown position.
  • the two Strands 12 also elastic on the surfaces 31 of the corresponding Pressed rollers 26.
  • the arc 3 ′′ by the pressing force of the two strands 12 held and carried.
  • the rollers 26 are also rotated passively.
  • the friction of the arc 3 ′′ is on the side surfaces 21a and 21b are comparatively small and yet the bow is guided safely at all times. It is essential that the sheet 3 through at the beginning of the folding section 33 the edges 40 is guided.
  • the sheet 3 to be folded is thus rectilinear and without significant path deviation in the area of Folded section 33 transported. Accordingly, a precise Fold line formed.
  • the two strands 12 are not twisted and, as can be seen, move untwisted about their longitudinal axis from top to bottom.
  • the lowest position shown with dashed lines, corresponds to the lowest position according to FIG. 9.
  • the edges 40 of the strands 12 are at a comparatively large distance from the folded edge 22.
  • the sheet 3 is therefore not elastic here Folded edge 22 is pressed and accordingly sheet 3 is guided less than in the infeed explained in FIG. 9.
  • the delivery according to FIG. 10 is a variant according to the invention. It can be improved if the width and the contact surface of the rollers 26 are adapted to the outer folding members, for example that the width of the rollers 26 decreases in the paper running direction.
  • the strands 12 are lifted off the folding sword 18.
  • the folded sheets 3 now pass between the two press rollers 16 and are closed by them.
  • the sheets 3 now reach the horizontally extending tongue 42 shown in FIG. 1 and are gripped from there by drivers 20 of a collecting chain 19 and, after leaving the tongue 42, placed on the collecting chain 19 and with this to a further processing station, not shown here guided.
  • the tongue 42 and collecting chain 19 are not mandatory and can also be replaced by other means of transport.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP01810320A 2001-03-29 2001-03-29 Plieuse pour les produits imprimés Expired - Lifetime EP1247775B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE50115305T DE50115305D1 (de) 2001-03-29 2001-03-29 Falzvorrichtung für Druckbogen
EP01810320A EP1247775B1 (fr) 2001-03-29 2001-03-29 Plieuse pour les produits imprimés
JP2002081191A JP4138346B2 (ja) 2001-03-29 2002-03-22 印刷紙葉のための折畳み装置
US10/108,891 US7097608B2 (en) 2001-03-29 2002-03-29 Signature folding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01810320A EP1247775B1 (fr) 2001-03-29 2001-03-29 Plieuse pour les produits imprimés

Publications (2)

Publication Number Publication Date
EP1247775A1 true EP1247775A1 (fr) 2002-10-09
EP1247775B1 EP1247775B1 (fr) 2010-01-13

Family

ID=8183832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810320A Expired - Lifetime EP1247775B1 (fr) 2001-03-29 2001-03-29 Plieuse pour les produits imprimés

Country Status (4)

Country Link
US (1) US7097608B2 (fr)
EP (1) EP1247775B1 (fr)
JP (1) JP4138346B2 (fr)
DE (1) DE50115305D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1845046A1 (fr) * 2006-04-10 2007-10-17 Müller Martini Holding AG Chargeur de feuilles avec un dispositif pour former une rayure dans les feuilles

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1396784B1 (it) * 2009-11-25 2012-12-14 Gingardi Apparecchiatura per la finitura dei prodotti uscenti da una macchina per la piegatura ed incollatura di prodotti in cartone o cartoncino con dorso.
US9840861B1 (en) 2016-06-14 2017-12-12 Microsoft Technology Licensing, Llc Hinged device with snap open lock
US10301858B2 (en) * 2016-06-14 2019-05-28 Microsoft Technology Licensing, Llc Hinge mechanism
US10501973B2 (en) 2016-06-14 2019-12-10 Microsoft Technology Licensing, Llc Hinge with free-stop function
US10061359B2 (en) 2016-07-28 2018-08-28 Microsoft Technology Licensing, Llc Hinged device with living hinge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH615646A5 (fr) * 1977-03-18 1980-02-15 Grapha Holding Ag
DE3707478A1 (de) * 1986-04-25 1987-10-29 Polygraph Leipzig Vorrichtung zum fliessenden falzen von bogen- bzw. blattfoermigem material
GB2270306A (en) * 1989-04-18 1994-03-09 Macey Mach Co Inc K S Feeder-folder apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH580023A5 (fr) * 1975-04-01 1976-09-30 Ferag Ag
US4198039A (en) * 1978-01-16 1980-04-15 Harris Corporation Signature cover folder feeder
US6305146B1 (en) * 1999-03-09 2001-10-23 Jensen Ag Burgdorf Process for the final folding and subsequent storage of a piece of linen and final folding means

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH615646A5 (fr) * 1977-03-18 1980-02-15 Grapha Holding Ag
DE3707478A1 (de) * 1986-04-25 1987-10-29 Polygraph Leipzig Vorrichtung zum fliessenden falzen von bogen- bzw. blattfoermigem material
GB2270306A (en) * 1989-04-18 1994-03-09 Macey Mach Co Inc K S Feeder-folder apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1845046A1 (fr) * 2006-04-10 2007-10-17 Müller Martini Holding AG Chargeur de feuilles avec un dispositif pour former une rayure dans les feuilles
US7537557B2 (en) 2006-04-10 2009-05-26 Müller Martini Holding AG Folder feeder

Also Published As

Publication number Publication date
US20020142907A1 (en) 2002-10-03
JP2002321870A (ja) 2002-11-08
DE50115305D1 (de) 2010-03-04
US7097608B2 (en) 2006-08-29
JP4138346B2 (ja) 2008-08-27
EP1247775B1 (fr) 2010-01-13

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