WO2008022826A1 - Appareil de pliage et procédé pour fabriquer des produits dans un appareil de pliage - Google Patents

Appareil de pliage et procédé pour fabriquer des produits dans un appareil de pliage Download PDF

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Publication number
WO2008022826A1
WO2008022826A1 PCT/EP2007/056312 EP2007056312W WO2008022826A1 WO 2008022826 A1 WO2008022826 A1 WO 2008022826A1 EP 2007056312 W EP2007056312 W EP 2007056312W WO 2008022826 A1 WO2008022826 A1 WO 2008022826A1
Authority
WO
WIPO (PCT)
Prior art keywords
products
paddle wheel
module
längsfalzstufe
querfalzstufe
Prior art date
Application number
PCT/EP2007/056312
Other languages
German (de)
English (en)
Inventor
Rudolf Stäb
Original Assignee
Koenig & Bauer Aktiengesellschaft
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 & Bauer Aktiengesellschaft filed Critical Koenig & Bauer Aktiengesellschaft
Publication of WO2008022826A1 publication Critical patent/WO2008022826A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • 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
    • B65H45/168—Rotary folders with folding jaw cylinders having changeable mode of operation
    • 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
    • B65H45/18—Oscillating or reciprocating blade folders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/10—Modular constructions, e.g. using preformed elements or profiles

Definitions

  • the invention relates to a folding apparatus and a method for producing products in a folding apparatus according to the preamble of claims 1 and 20, respectively.
  • Such a folder is z. B. from WO 2005/095245 A1 and DE 36 26 287 A1.
  • the folding apparatus allows the merging of the product streams by means of a belt conveyor which intercepts in an upper of the two L Lucassfalzprocessn folded products before reaching one of these L Lucassfalzleaned associated paddle wheel, deflects them in the lateral direction to them around the underlying second Leksfalzlace to lead around and finally feed them into a transport path extending from the exit of the second longitudinal folding step to an associated blade wheel and formed by a second belt conveyor device.
  • This design assumes that there is sufficient space on the second product conveying path between two products folded by the second longitudinal folding step, in order to insert a product coming from the first longitudinal folding step therebetween.
  • This requires a precise synchronization of the two L Lucassfalzprocessn and the belt conveyors.
  • DE 43 32 792 C2 discloses a folding apparatus in modular design.
  • a paddle wheel and a belt guide with a longitudinal folding device in each case a module and an additional belt transport device is providable.
  • the invention has for its object to provide a folding apparatus and a method for Creating products in a folder to create.
  • the invention is used in particular in a folder with a Querfalzprocess, two of Querfalzprocess downstream of a product diverter L jossfalzprocessn and a first paddle wheel for shingled laying in at least a first of the L jossfalzprocessn longitudinally folded products.
  • the folding apparatus preferably comprises two or three modules movable with respect to the longitudinal folding stages and optionally placeable in an operating position adjacent to the longitudinal folding stages, the first of which comprises at least one belt conveyor suitable for conveying longitudinally folded products from an exit of the second longitudinal folding step to the first impeller when the first module is placed in the operative position and the second module comprises at least a second paddle wheel that receives longitudinally-folded products from the exit of the second longitudinal buckling stage instead of the belt conveyor when the second module is placed at the longitudinal buckling stages.
  • the first paddle wheel can be fixedly mounted with respect to the longitudinal folding steps, so that the first module only has to comprise the band conveying device, but not also the first paddle wheel.
  • the first module further comprises a second belt conveyor suitable for conveying longitudinally folded products from an exit of the first longitudinal seam to the first paddle when the first module is placed in the operative position.
  • a second belt conveyor suitable for conveying longitudinally folded products from an exit of the first longitudinal seam to the first paddle when the first module is placed in the operative position.
  • a product conveying path emanating from the first longitudinal folding step and one of the second Lssensfalzease outgoing product conveying path preferably lead to different locations on the circumference of the first impeller when the first module is placed in the operating position.
  • the possibility is created to enter products over both conveyor paths temporally overlapping in the paddle wheel.
  • the requirements for synchronizing the operation of the longitudinal folding steps are reduced, and moreover the speed at which the products enter the paddle wheel can be made smaller than in the case of merging the product streams in front of the paddle wheel, whereby the risk of damage of the products is reduced.
  • the first and second modules or modules are preferably movable between their operating position and an inactive position on two tracks which are separated in a common path section extending between the operative position and a fork and in different directions between the fork and the inactive positions Include path sections.
  • the common path portion allows to bring the modules from a same direction in the operating position, which facilitates the construction of the fixed parts of the folder.
  • the separate path sections make it possible to set each module aside so that it does not obstruct the path of the other module to the operating position or back to its inactive position.
  • the second longitudinal folding step is arranged under the first longitudinal folding step and the first running wheel is arranged below both longitudinal folding steps. Since there is thus no space for the first paddle wheel to be held between the longitudinal folding steps, the difference in height between the two can be kept small, which also desirably reduces the necessary deflection of the products as they pass through the product gate.
  • a leading from the Querfalzprocess to the second Lssensfalztreatment product conveying path Conveniently, it should have a weaker maximum curvature than a product conveying path leading from the transverse seaming step to the first longitudinal seaming step, since generally only the first longitudinal seaming step will be sufficient to process high side count products. In the case of the processing of thinner and more flexible products obtained in non-collective operation, the greater curvature can be accepted on the product conveying path to the second longitudinal folding step.
  • the axes of rotation of the first paddle wheel and the second paddle wheel are arranged parallel to the axes of rotation of the folding rollers of one of the longitudinal folding steps.
  • Fig. 1 is a schematic longitudinal section of a folding apparatus
  • Fig. 2 is a schematic plan view of a part of the folding apparatus of Fig. 1;
  • Fig. 3 is a cross-sectional view of the folder showing a first of two movable modules in an operative position
  • FIG. 4 is a cross-sectional view similar to FIG. 3, showing the second module in the operative position;
  • FIG. 5 shows a cross-section analogous to FIGS. 3 and 4 with a modified embodiment of the second module.
  • Fig. 1 shows a schematic longitudinal section of a folding apparatus of a web-fed rotary printing press for newspaper printing.
  • the folder receives a printed web of material 01 from a printing unit, not shown, of the printing press via a former.
  • the material web 01 by a cutting gap between a populated with knives cylinder 02, z. B. cutting cylinder 02 and a cylinder 03, z. B. folding blade 03, in particular a collecting cylinder 03 out where it is broken down into individual products.
  • the collecting cylinder 03 is provided with retaining tools (not shown), such as grippers or puncturing strips, which hold the leading edges of the products fixed on the circumference of the folding knife cylinder 03.
  • the peripheral speed of the cutting cylinder 02 and the collecting cylinder 03 coincides with the running speed of the material web 01. Therefore, the length of the products obtained is fixed and equal to the distance of the knife on the circumference of the cutting cylinder 02, and cut off from the web of material 01 products follow each other on the circumference of the collecting cylinder 03.
  • a collecting cylinder 03 upstream cylinder 04, z. B. cutting cylinder 04, with a cylinder 06, z. B. counter cylinder 06 cooperates (shown in broken lines).
  • the cylinders 04; 06 can rotate at a peripheral speed, which differs from the running speed of the material web 01, and thus cut products of variable length from the material web 01. These are then fed to the collecting cylinder 03 by a belt conveyor (not shown) and thereby accelerated so that they each encounter a holding tool on the collecting cylinder 03, by which they are then held and conveyed on the collecting cylinder 03.
  • Folding blades are on the circumference of the collecting cylinder 03 each in one half the length arranged the distance to be processed products from the holding tools.
  • the collecting cylinder 03 is switchable in a manner known per se and therefore not shown in detail here with the aid of cam plates and cover plates between collecting operation and non-collecting operation.
  • the folding blade In collecting operation, the folding blade passes through the transfer gap 08 a predetermined number of times without extending, and the adjacent holding device does not release a product held in front of the folding blade, but conveys it further, so that it again the gap between the cylinders 02; 03 happens where another product is placed over the existing one. Only after a predetermined number of products has been gathered on the holding device in this way, the folding blade extends, and the holding device releases the collected products to pass them to the jaw cylinder 07 and at the same time cross-fold.
  • the transverse folded products are forwarded on the jaw cylinder 07, each held with its fold in one of the jaws. While the products successively follow each other on the circumference of the collecting cylinder 03, the distance between them at the jaw cylinder 07 in the non-collecting operation is half due to the fold Product length, in single-collective operation one and a half product lengths, in dual-collective operation two and a half product lengths, etc.
  • the jaws of the jaw cylinder 07 are adjustable to the products held by them either at different delivery points 09; 1 1 of the circumference of the jaw cylinder 07 release.
  • the delivery point 1 1 is looped by endless belts 12 of a first belt conveyor, which feeds the released products vertically downwards to a paddle wheel 13, via which they are scaled to a conveyor belt 14.
  • endless belts 12 of a first belt conveyor which feeds the released products vertically downwards to a paddle wheel 13, via which they are scaled to a conveyor belt 14.
  • Another belt conveyor 16 comprises endless belts 17; 18, of which the endless belts 17 loop around the jaw cylinder 07 at the discharge point 09. Mutually facing portions of the endless belts 17; 18 form a conveyor line on which the products between the endless belts 17; 18 pinched substantially straightforward be promoted.
  • the running speed of the endless belts 17; 18 is equal to the peripheral speed of the cylinder 03; 07 and is controlled by a control circuit, not shown, according to the speed at which the material web 01 leaves the printing unit.
  • the belt conveyor 16 conveys the products to a transfer point 19 to another defined by a belt conveyor 21 product conveying path 21, the products between endless belts 27; 31 clamped forward at a speed that may differ from that of the belt conveyor 16, as will be explained in more detail later.
  • the product diverter 22 comprises a wedge 23 having an upper and a lower flank which is pivotable between two positions. In the first position, products supplied via the belt conveyor 21 strike an upper flank of the wedge 23 sliding along an upper product conveying path 24 of the belt conveyor 21; in the second position they strike a lower flank of the wedge 23 and reach a lower product conveying path 26 of the belt conveyor 21.
  • Upper and lower product conveying path 24; 26 are each formed by the endless belts 27 and cooperating with them endless belts 28 and the endless belts 31 and cooperating with them endless belts 29.
  • the product conveying path 24; 26 each extend through a Leksfalzch 32 and 33 through to an associated paddle wheel 34 and 36, each in turn a conveyor belt 37 or 38 is associated with the laying out of the products.
  • a conveyor belt 37 or 38 is associated with the laying out of the products.
  • the longitudinal folding steps 32; 33 each comprise a table top 39 with a visible only in FIG. 2 longitudinal slot 41, an insertable from above into the longitudinal slot 41, driven via an eccentric to a swinging movement folding blade 42 and two rollers 43 disposed below the table top 39 on both sides of the longitudinal slot 41 are and are oppositely rotatable drivable.
  • the longitudinal folding steps 32; 33 are horizontally displaceable in the direction of the sectional plane III of FIG. 2 in order to adjust the longitudinal slot 41 and thus the position of the fold on the products can.
  • the transport speed of the products on the second belt conveyor 21 and the rotational speed of the rollers 43 must be set large enough to ensure that a product has passed the longitudinal slot 41 completely before a subsequent product reaches the same table top 39. Since in the collective operation and when in non-collective operation, the transverse folded products on the two Lssensfalzprocessn 32; 33 are distributed through the product diverter 22, the rate at which the products at one of the longitudinal folding steps 32; 33 is smaller than the rate at which product sections are produced on the cutting cylinder 02, the speed of the second belt conveyor 21 may be set lower than that of the first belt conveyor 16, allowing gentle deceleration of the products at the longitudinal folding steps 32; 33 allows.
  • the products can be divided and the longitudinal shingles 32 in two streams; 33 are supplied.
  • the further processing of the longitudinally folded between the rollers 43 products takes place in one of two modules 46; 47, optionally adjacent to the longitudinal folding steps 32; 33 are placeable.
  • the plan view of Figure 2 shows the two modules 46; 47 each in an inactive, from the longitudinal folding steps 32; 33 spaced position.
  • the modules 46; 47 are on carrier rails 48; 49 slidably suspended.
  • the carrier rails 48 extend substantially parallel to the product conveying direction in the folder; the carrier rails 49 transverse thereto. Both together define for each module 46; 47 an L-shaped transport path with two mutually orthogonal way sections 51 and 52; 53, in particular legs 51 and 52; 53, which meet at a crotch 60.
  • FIG. 3 shows a schematic cross-section through the folder along the plane III-III in FIG. 1 in the case where the module 46 is at the longitudinal folding steps
  • the side frame plates 54; 55 are in the position shown in Figure 3 by releasable coupling means 64 rigid with the L Lucassfalzprocessn 32; 33, so that the side frame plates 54 follow a displacement of the longitudinal folding step 32 and the side frame plates 55 follow a displacement of the longitudinal folding step 33. Consequently, when one of the longitudinal folding steps 32 and 33 is displaced in the direction of the sectional plane III-III In order to adjust the position of the fold, the corresponding side frame plates 54 and 55 follow, so that the inlet 58 of each belt conveyor 56; 57 at any time exactly vertically below the longitudinal slot 41 is located.
  • the side frame plates 54; 55 are connected to this purpose to a limited extent slidable.
  • the outlet 59 of the upper belt conveyor 56 is formed by two rollers suspended on the lower side frame plates 55, a relative movement of the side frame plates 54 changes; 55 the position of the outputs 59 not to each other, so that both belt conveyors 56; 57 at any time can easily deliver products to the paddle wheel 61.
  • the outlets 59 of the belt conveyors 56; 57 are adjacent to each other, but arranged separately on the circumference of the paddle wheel 61. As a result, there is the possibility that both belt conveyors 56; 57 at the same time or offset products deliver in the paddle wheel 61. Since in the various longitudinal folding steps 32; 33 longitudinally folded products on the belt conveyors 56; 57 reach the paddle wheel 61 in separate ways, the distance between successive products in each of the belt conveyors 56; 57 can be smaller than the length of the conveyed products, so that the conveying speed of the belt conveyors 56, 57 can be set lower than in the conventional case that the products are brought together before reaching the paddle wheel 61 in the zipper process to a product stream.
  • Fig. 4 shows a schematic section similar to Fig. 3, in which the module 46 is in its inactive position and therefore not shown, and instead the module 47 at the longitudinal folding steps 32; 33 is placed.
  • the module 47 essentially comprises a rotary driven paddle wheel 62 held by side frame plates 54 which is positioned in the operative position so that products having passed the rollers 43 of the lower longitudinal folding step 33 are traversed between the blades of the Paddle wheel 62 fall and be designed by this maruppt on a conveyor belt 63.
  • the module 46 has releasable coupling means 64 which, in the position shown in Fig. 4, rigidly couple the module 46 to the longitudinal seaming stage 33 so that the module 46 automatically follows any movement of the seaming slot 41.
  • the module 47 has no parts between the two Lssensfalzchin 32; 33 intervene so that products after passing through the upper Lssensfalzchlace 32 when it would be in operation, would fall to the lower stage 33. However, this case is prevented by the placement of the module 47 in the operating position at the Lssensfalzchprocessn 32; 33, the product diverter 22 is automatically set to feed products only to the lower longitudinal seaming stage 33.
  • the module 47 is intended for use in the event that high-page-count products are generated which are too stiff to pass through the belt conveyors 56 or 57 of the module 46. Since the production rate in the collective operation can be at most half as large as in non-collective operation, is associated with the inevitable closure of the upper L Lucassfalzcut 32 no restriction; when the two longitudinal folding steps 32; 33 are sufficiently powerful enough to process the entire production in non-collective operation, the longitudinal shingling stage 33 alone must also be sufficient in the collective operation.
  • Additional production modes arise when a book production mode is additionally implemented on stacker and jaw cylinders in which products are transferred unfolded from the collector cylinder to the jaw cylinder, or when a second jaw cylinder is inserted to permit a two fold cross fold.
  • the module 47 of FIG. 5 comprises two assemblies 66, 67, which are temporarily fastened by coupling means 64 to each other at the longitudinal folding steps 32, 33 and which are displaceable relative to one another the module 47 movable conveyor belt 63 interprets.
  • This variant allows simultaneous utilization of both L jossfalzprocessn 32, 33 a direct laying on the conveyor belts 63 without deflection of the products after passing through the longitudinal slot 41. It is therefore particularly suitable for processing particularly lubricating products.
  • the second module 47 in FIG. 5 also gives the following production modes:

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

L'invention concerne un appareil de pliage comportant un niveau de pliage transversal, deux niveaux de pliage longitudinaux (32 ; 33) placés à la suite du niveau de pliage transversal et une première roue à palettes (61) pour poser de manière imbriquée des produits pliés longitudinalement dans au moins un (32) des niveaux de pliage longitudinaux (32 ; 33), un premier module (46) comprenant au moins un dispositif de transport à courroie (57) et un second module (47) comprenant au moins une seconde roue à palettes (62). Les deux modules (46 ; 47) peuvent être déplacés par rapport aux niveaux de pliage longitudinaux (32 ; 33) et peuvent être placés, optionnellement, dans une position de fonctionnement proche des niveaux de pliage longitudinaux (32 ; 33), le dispositif de transport à courroie (57) du premier module (46) étant approprié pour transporter des produits pliés longitudinalement d'une sortie du second niveau de pliage longitudinal (33) jusqu'à la première roue à palettes (61), lorsque le premier module (46) est placé dans la position de fonctionnement, et le second module (47) comprenant au moins une seconde roue à palettes (62) recevant les produits pliés longitudinalement provenant de la sortie du second niveau de pliage longitudinal (33) à la place du dispositif de transport à courroie (57) lorsque le second module (47) est placé en position de fonctionnement.
PCT/EP2007/056312 2006-08-25 2007-06-25 Appareil de pliage et procédé pour fabriquer des produits dans un appareil de pliage WO2008022826A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006039981.1 2006-08-25
DE200610039981 DE102006039981B3 (de) 2006-08-25 2006-08-25 Falzapparat

Publications (1)

Publication Number Publication Date
WO2008022826A1 true WO2008022826A1 (fr) 2008-02-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/056312 WO2008022826A1 (fr) 2006-08-25 2007-06-25 Appareil de pliage et procédé pour fabriquer des produits dans un appareil de pliage

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Country Link
DE (1) DE102006039981B3 (fr)
WO (1) WO2008022826A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437938A1 (fr) * 1978-10-03 1980-04-30 Marinoni Mecanisme pour plieuse d'imprimerie
EP0256333A2 (fr) * 1986-08-02 1988-02-24 Albert-Frankenthal AG Dispositif de pliage
GB2265141A (en) * 1992-03-16 1993-09-22 Heidelberger Druckmasch Ag Folding apparatus
GB2282133A (en) * 1993-09-27 1995-03-29 Zirkon Druckmaschinen Gmbh Sheet folding apparatus
WO2005095245A1 (fr) * 2004-04-01 2005-10-13 Koenig & Bauer Aktiengesellschaft Systeme a trajectoires de traitement alternatives pour realiser des post-traitements sur des produits, appareil de pliage longitudinal, et procede permettant le fonctionnement synchrone d'un appareil de pliage
EP1607354A2 (fr) * 2004-06-16 2005-12-21 MAN Roland Druckmaschinen AG Module de sortie d'une machine à imprimer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2437938A1 (fr) * 1978-10-03 1980-04-30 Marinoni Mecanisme pour plieuse d'imprimerie
EP0256333A2 (fr) * 1986-08-02 1988-02-24 Albert-Frankenthal AG Dispositif de pliage
GB2265141A (en) * 1992-03-16 1993-09-22 Heidelberger Druckmasch Ag Folding apparatus
GB2282133A (en) * 1993-09-27 1995-03-29 Zirkon Druckmaschinen Gmbh Sheet folding apparatus
WO2005095245A1 (fr) * 2004-04-01 2005-10-13 Koenig & Bauer Aktiengesellschaft Systeme a trajectoires de traitement alternatives pour realiser des post-traitements sur des produits, appareil de pliage longitudinal, et procede permettant le fonctionnement synchrone d'un appareil de pliage
EP1607354A2 (fr) * 2004-06-16 2005-12-21 MAN Roland Druckmaschinen AG Module de sortie d'une machine à imprimer

Also Published As

Publication number Publication date
DE102006039981B3 (de) 2008-01-31

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