EP0046262B2 - Dispositif de fabrication de produits, qui sont pliés transversalement au moins une fois et qui sont coupés parallèlement au pli transversal - Google Patents

Dispositif de fabrication de produits, qui sont pliés transversalement au moins une fois et qui sont coupés parallèlement au pli transversal Download PDF

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Publication number
EP0046262B2
EP0046262B2 EP81106242A EP81106242A EP0046262B2 EP 0046262 B2 EP0046262 B2 EP 0046262B2 EP 81106242 A EP81106242 A EP 81106242A EP 81106242 A EP81106242 A EP 81106242A EP 0046262 B2 EP0046262 B2 EP 0046262B2
Authority
EP
European Patent Office
Prior art keywords
cylinder
folding
knife
rotation
set forth
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
Application number
EP81106242A
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German (de)
English (en)
Other versions
EP0046262B1 (fr
EP0046262A1 (fr
Inventor
Rudolf Fischer
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.)
Albert Frankenthal AG
Original Assignee
Albert Frankenthal 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
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Application filed by Albert Frankenthal AG filed Critical Albert Frankenthal AG
Priority to AT81106242T priority Critical patent/ATE11397T1/de
Publication of EP0046262A1 publication Critical patent/EP0046262A1/fr
Application granted granted Critical
Publication of EP0046262B1 publication Critical patent/EP0046262B1/fr
Publication of EP0046262B2 publication Critical patent/EP0046262B2/fr
Expired legal-status Critical Current

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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
    • B41F13/56—Folding or cutting

Definitions

  • the invention relates to a folding apparatus for the production of at least once cross-folded, trimmed parallel to the transverse fold products with a folding knife cylinder which interacts with a folding jaw cylinder, which in the areas between its folding jaws, to which the products are assigned to further transport organs, each with a guide device its circumference projecting scissors cutting knife is provided, which interacts with a second scissors cutting knife, which is arranged on a knife carrier cylinder adjacent to the folding jaw cylinder and arranged downstream of the folding knife cylinder in the direction of rotation.
  • a folder of this type is known from DE-B 1611 283.
  • so-called ejectors are provided for removing the folding products from the folding jaws and for transferring these folding products to the star wheel assigned here to the folding jaw cylinder.
  • Such ejectors to be arranged on the cylinder side represent very complicated and fault-prone components, which also prove to be very bulky in the area of the cylinder circumference. In this context, it cannot be neglected that the distance between the two jaws of a folding jaw can be adjusted many times.
  • the ejectors to be arranged on the cylinder side in the area in front of the folding jaws must therefore also be adjustable.
  • there is a fear that when the ejectors are actuated i. H.
  • DE-B 1611 283 does not contain any information for transferring the products to a belt guide which can optionally be loaded with the paddle wheel.
  • the object of the present invention is to provide a device in which the fully trimmed and cross-folded products are optionally provided or designed with a further longitudinal fold can be, whereby in any case a flawless product transfer should be guaranteed.
  • the folding jaw cylinder is arranged in the direction of rotation downstream of the knife carrier cylinder, at least by the protrusion of the scissor-cutting knives from it, having an upper and a lower set of belts, which is associated with a deflecting roller which is wrapped by one set of belts and contacted by the other set of belts trained gripper cylinder with controlled, engaging in the jaws and going beyond the scissors cutters of the jaw cylinder, and that the jaw cylinder in the area of a downstream of the belt guide in the direction of rotation, optionally acted upon starter a controlled flap with engaging in the jaws, passing over the scissor blades Excavations and a pressure roller adjacent to it, provided with a flattening facing the folding jaw cylinder during the passage of the scissor cut knives are ordered.
  • the measures ensure that a perfect and trouble-free product transfer is guaranteed both in the area of the belt guide and in the area of the delivery star.
  • the integration of the gripper cylinder in the belt guide ensures that the products gripped by the grippers at their front end are safe and are drawn into the tape guide with high accuracy, which has a positive effect on the folding accuracy in the area of the folding blade and thus improves the economy of the entire arrangement. Nevertheless, the construction effort and space requirements remain limited.
  • the measures according to the invention advantageously come from the cylinder side with permanently installed knives and without ejectors provided on the cylinder side, which ensures a very simple and space-saving design.
  • the knife carrier cylinder can be provided in a manner known per se from DE-A-1 611 283 with the scissor cutting knife or knives adjacent in the direction of rotation behind it, which pick up the strips separated by the scissor cutting knife.
  • a foamed support can expediently be assigned to the puncture needles, so that a rigid puncture needle installation is possible.
  • the knife carrier cylinder can, in a manner known per se from DE-A-1 611 283, immerse into a suction channel with a circumferential area downstream of the interface of the scissor-cut knives, via which the strips picked up by the puncture needles are discharged.
  • the knife carrier cylinder has a flattened area outside of his or her scissor-cutting knife and can be driven by means of a clutch provided with a locking element and can be locked in the direction of rotation when the clutch is disengaged.
  • the knife carrier cylinder can therefore simply be set so that the jaw cylinder runs past the flattening.
  • the gripper cylinder can be driven via a clutch provided with a locking element and can be locked in the direction of rotation when the clutch is disengaged.
  • the gripper cylinder can simply be set so that the jaw cylinder and its organs can run past it without contact.
  • the drawing shows a folder provided with a scissor-cutting device.
  • the folder shown in Fig. 1 consists in a manner known per se from a folding jaw cylinder 2 provided with three folding jaws 1 on the circumference, against which a folding knife cylinder 4 is provided with two folding blades 3, the folding blade 3 of which is used to produce a transverse fold in the folding jaws Knock in 1 of the jaw cylinder.
  • the folding knife cylinder 4 carries in the area between the two folding knives 3 two cutter bars 6 each provided with a cutting groove 5 and adjacent puncture needle bars 7 with puncture needles 8 effective behind the cutter bars 6 in the direction of rotation.
  • the folding knife cylinder 4 there are one with one with the cutting grooves 5 for Engaging cutting knife 9 on the circumference provided cutting knife cylinder 10 and a stapling cylinder 11 which is effective in the area of the folding jaws 3 and thus the later transverse fold.
  • the paper web 13 which is introduced between the folding knife cylinder 4 and the cutting knife cylinder 10 and which normally runs from a folding former 12, not shown here, on which a first longitudinal fold is produced, is divided into arc-shaped products by the interaction of the cutting knife 9 with the cutting grooves 5.
  • the sheet-like products separated from the paper web 13 are gripped by the puncture needles 8 in the region of their front edges and transported in the direction of the folding jaw cylinder 2.
  • the transfer to the folding jaw cylinder 2 takes place with the generation of a transverse fold by the folding knife 3 effective in the area of half the sheet length, which folds the sheet product on the folding knife cylinder into the opposite folding jaw 1 of the folding jaw cylinder 2, while the associated puncture needles 8 disengage.
  • the puncture needles 8 allow collecting several sheets which can be stapled together by means of the stapling cylinder 11 at the point of the later transverse fold.
  • the separating cut to be made by the cutting knife 9 can normally only be carried out as a tooth cut.
  • the puncture needles cause 8 punctures in the area of the front edges.
  • the jaw cylinder 2 is provided with three scissor cut knives 14 which are evenly distributed over the areas between the jaws 1 and which are firmly mounted and with their cutting edges protrude slightly beyond the circumference of the jaw cylinder 2.
  • the scissor cut knives 14 of the folding jaw cylinder 2 is a scissor cutting knife 16 arranged on a knife carrier cylinder 15 arranged downstream of the folding knife cylinder 4 in the direction of rotation of the folding jaw cylinder 2 assigned.
  • the diameter of the knife carrier cylinder 15 provided with a scissors-type knife 16 corresponds to one third of the effective diameter of the jaw cylinder 2, so that the scissor-type knife 16 interacts with all the scissor-type blades 14 of the jaw cylinder 2 at the same peripheral speed of the jaw cylinder 2 and knife carrier cylinder 15.
  • the knife carrier cylinder 15 is provided with puncture needles 17 which are arranged in the direction of rotation behind its scissors-type cutting knife 16 and which take up the strips cut off when the scissors are being cut.
  • the appropriately fixed puncture needles 17 can each be assigned a support 18 consisting of a foamed material strip.
  • the knife carrier cylinder 15 is simply sucked off on a circumferential area downstream of the scissor interface in order to remove the cut strips.
  • the knife carrier cylinder dips into a suction channel 19 behind the interface.
  • the scissor cut knives 14 and 16 ensure a clean, cross-fold parallel trimming of the folded products.
  • the edges which are perpendicular to this normally do not require trimming, since these edges were produced by means of a slitter which is normally arranged upstream of the former 12 and is not shown here, by means of which a wide paper web is divided into several parallel strands.
  • the scissor cut knife 16 arranged on the knife carrier cylinder 15 can simply be removed. It would also be conceivable to arrange the knife carrier cylinder 15 pivotably with respect to the jaw cylinder 2, with the pivoted position simply being assumed for passivation.
  • the knife carrier cylinder 15 is provided with a flattened portion 20, which should face the folding jaw cylinder 2 at a standstill, so that its scissor-cut knife 14 can pass unhindered.
  • the knife carrier cylinder 15 is expediently driven via a coupling which has a latching element, which results in a clear coupling, i. H.
  • the knife carrier cylinder 15 always assumes the same reproducible angular position with respect to the jaw cylinder when the clutch is inserted.
  • the knife carrier cylinder 15 can expediently be locked in the direction of rotation, so that it cannot be carried along by bearing friction or the like.
  • a blocking brake or a blocking pin or the like (not shown here in more detail) can simply be provided.
  • the products on the folding jaw cylinder 2, which are provided with a transverse fold, can only be provided with this transverse fold or can be provided with a further longitudinal fold beforehand and then laid out.
  • a delivery star 21 is arranged below the folding jaw cylinder 2 on the side opposite the folding knife cylinder 4, which can be activated as an alternative to a band guide 23 arranged above it and leading to a folding sword 22.
  • the products located on the folding jaw cylinder 2 and trimmed parallel to the transverse fold in the area of the knife carrier cylinder 15 therefore first pass the entrance of the band guide 23 before the delivery star 21.
  • the products to be fed to the delivery star 21 or the band guide 23 must be lifted out of the folding jaw cylinder.
  • a flap 24 which is pivotably mounted on the machine frame and which passes under the products to be lifted out with lifting tongues 25 engaging in the folding flaps 1.
  • a pressure roller 32 which is assigned to the folding jaw cylinder 2 and is arranged between the belt guide 23 and the delivery star 21, is provided to ensure safe transport of the products released by the folding jaw 1 passing through the lifting tongues 25.
  • the scissor cut knife 14 of the jaw cylinder 2 should, as already indicated above, be firmly mounted.
  • the flap 24 is therefore controlled in such a way that the lifting tongues 25 pass over the scissors-cutting knives 14 projecting over the circumference of the folding jaw cylinder 2 as they pass.
  • the pressure roller 32 is provided with a flattened area 33 which faces the folding jaw cylinder 2 during the passage of the scissor cut knife 14.
  • the pressure roller 32 is driven in such a way that the folding cylinder circumferential speed results in the area outside the flattened area 33.
  • the pressure roller 32 can simply consist of a spindle egg with attached cams containing the flat 33. In the rest position with the tape guide activated, the pressure roller 32 can simply be set so that the flattened portion 33 faces the folding jaw cylinder.
  • the drive is therefore expediently via a clear coupling. When the clutch is disengaged, the rest position is appropriately blocked in the direction of rotation.
  • a control disk arranged in the region of an end face of the folding jaw cylinder 2 can be provided, which is moved by a feeler element 26.
  • the flap 24 can also be in operation with a passivated delivery star in order to ensure an unimpeded passage of the scissors-cutting knives 14.
  • a gripper cylinder 27 for lifting the products out of the folding flaps 1 in the direction of rotation
  • the preceding spindle 28 attached extraction grippers 29 are provided, which engage in the jaws 1 and remove the products to be fed to the band guide 23 from the jaw cylinder 2 and pull them into the band guide 23.
  • the gripper cylinder 27 is so far away from the jaw cylinder 2 that the scissor-cut knife 14 can pass unhindered.
  • the lifting grippers 29 are automatically removed from the scissor cut knives 14 as a result of the rotation of the gripper cylinder 27.
  • the extraction grippers 29 can expediently be controlled in such a way that the products to be fed to the band guide 23 are already grasped in the area of the passing folding flap 1 and can only be released when they are securely drawn into the band guide, which in a manner known per se from an upper set of bands 30 and a lower set of belts 31, each with belts arranged next to one another, between which the extraction grippers 29 can reach.
  • a control cam which is arranged adjacent to an end face of the gripper cylinder 27 and is arranged fixed to the frame and which is traversed by probe elements connected to the spindles 28 can be provided.
  • the gripper cylinder 27 is designed as the deflecting roller adjacent to the folding jaw cylinder 2 of the upper set of belts 30 of the belt guide 23 which leads to the folding jaw cylinder 2.
  • the gripper cylinder 2 is accordingly wrapped in the tapes of the upper set of tapes and is contacted by the tapes of the lower set of tapes.
  • This integration of the gripper cylinder 27 in the belt guide 23 ensures a high level of positional accuracy of the products fed to the folding blade 22.
  • the gripper cylinder 27 is so far away from the jaw cylinder 2 that the scissors-type cutters 14 protruding over its circumference do not damage the straps of the upper set of straps 30 which loop around the gripper cylinder 27.
  • the gripper cylinder 27 and thus expediently the entire band guide 23 can simply be stopped.
  • the gripper cylinder 27 is also driven via a clear coupling, which is provided with a latching element, so that there is a clear angular position with respect to the jaw cylinder 2 when coupling.
  • the gripper cylinder 27 is expediently set in such a way that its extraction grippers 29 cannot come into engagement with the folding jaws 1.
  • This rest position can expediently be secured by a locking pin or the like.
  • the gripper cylinder 27 it would also be conceivable for the gripper cylinder 27 to be pivotably supported with respect to the jaw cylinder 2.

Landscapes

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

Claims (10)

1. Une plieuse pour la fabrication de produits pliés au moins une fois en sens transversal et coupés parallèlement au pli transversal, possédant un cylindre à couteaux (4) agissant en conjonction avec un cylindre à clapets de pliage (2) qui, dans les zones comprises entre ses clapets de pliage (1) coopérant avec des dispositifs directeurs (24, 25, respectivement 27, 29) transmettant les produits aux agents de transport (21, respectivement 23) expédiants, possède chacun une cisaille (14) s'avançant sur le périmètre dudit cylindre à clapets de pliage (2) et respectivement agissant en conjonction avec une seconde cisaille (16) disposée sur un cylindre porte-lame (15) proche du cylindre à clapets de pliage (2) et placé à la suite du cylindre à couteaux (4) dans le sens de la rotation, caractérisée en ce que, à la suite du cylindre porte-lame (15) dans le sens de la rotation, le cylindre à clapets de pliage (2) agit en conjonction avec un guidage de bande (23) qui en est écarté au minimum de la longueur d'avancement des cisailles (14), et possède des trains de bande supérieur et inférieur (30, respectivement 31), ainsi qu'un cylindre de prise (27) sous forme d'un rouleau de renvoi entouré par le train de bande supérieur (30) et en contact avec l'autre train de bande (31), et avec des griffes (29) contrôlées qui s'engagent dans les clapets de pliage (1) et passent par-dessus des cisailles (14) du cylindre à clapets de pliage (2), et en ce que de plus, dans la zone d'un moulinet (21) à la suite de guidage de bande (23) dans le sens de la rotation et qui facultativement peut en être servi, le cylindre à clapets de pliage (2) agit en conjonction avec un clapet motorisé (24) possédant des languettes de levage (25) qui s'engagent dans les clapets de pliage (1) et passent par-dessus les cisailles (14), ainsi qu'avec un rouleau de pression (32) qui est proche desdites languettes de levage (25) et possède une partie aplatie (33) tournée vers le cylindre à clapets de pliage (2) lors du passage des cisailles (14).
2. Dispositif selon la revendication 1, caractérisé en ce que le cylindre porte-lame (15) avec sa cisaille (16) est muni de griffes (17) proches de celle-ci et placées en arrière dans le sens de la rotation.
3. Dispositif selon la revendication 2, caractérisé en ce que le cylindre des clapets de pliage (2) avec les griffes (17) du cylindre porte-lame (15) disposées de préférence de manière fixe est muni d'assises en matière garnie de mousse (18) qui y font face.
4. Dispositif selon une des revendications 1 à 3 ci-dessus, caractérisé en ce que le cylindre porte-lame (15) débouche dans une gaine d'aspiration (19) en un point de son périmètre qui se situe après un point de découpe des lames (14 ou 16).
5. Dispositif selon une des revendications 1 à 4 ci-dessus, caractérisé en ce que le cylindre porte-lame (15) présente en dehors de sa cisaille (16) une face aplatie (20), qu'il peut être entraîné par un embrayage direct et bloqué dans le sens de la rotation quand l'embrayage est dégagé.
6. Dispositif selon une des revendications ci-dessus, caractérisé en ce que le cylindre de prise (27) est entouré par le train de bande supérieur (30) du guidage de bande (23).
7. Dispositif selon l'une des revendications 1 à 6 ci-dessus, caractérisé en ce que le cylindre de prise (27) peut être entraîné par un embrayage direct et bloqué dans le sens de rotation quand l'embrayage est dégagé.
8. Dispositif selon une des revendications 1 à 7 ci-dessus, caractérisé en ce que les pinces de levage (29) du cylindre de prise (27) sont commandées par une came au voisinage d'une face du cylindre de prise (27).
9. Dispositif selon une des revendications 1 à 8 ci-dessus, caractérisé en ce que le clapet (24) asservi au moulinet (21), est commandé à l'aide d'une poulie disposée dans la région d'une des faces du cylindre à clapets de pliage (2).
10. Dispositif selon une des revendications 1 à 9, ci-dessus, caractérisé en ce que le rouleau de pression (32) peut être entraîné par un embrayage direct et bloqué dans le sens de la rotation en position de repos.
EP81106242A 1980-08-14 1981-08-11 Dispositif de fabrication de produits, qui sont pliés transversalement au moins une fois et qui sont coupés parallèlement au pli transversal Expired EP0046262B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81106242T ATE11397T1 (de) 1980-08-14 1981-08-11 Vorrichtung zur herstellung von zumindest einmal quergefalzten, parallel zum querfalz beschnittenen produkten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803030705 DE3030705A1 (de) 1980-08-14 1980-08-14 Vorrichtung zur herstellung von zumindest einmal quergefalzten, parallel zum querfalz beschnittenen produkten
DE3030705 1980-08-14

Publications (3)

Publication Number Publication Date
EP0046262A1 EP0046262A1 (fr) 1982-02-24
EP0046262B1 EP0046262B1 (fr) 1985-01-23
EP0046262B2 true EP0046262B2 (fr) 1989-04-05

Family

ID=6109575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81106242A Expired EP0046262B2 (fr) 1980-08-14 1981-08-11 Dispositif de fabrication de produits, qui sont pliés transversalement au moins une fois et qui sont coupés parallèlement au pli transversal

Country Status (3)

Country Link
EP (1) EP0046262B2 (fr)
AT (1) ATE11397T1 (fr)
DE (2) DE3030705A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3404170C2 (de) * 1984-02-07 1993-11-11 Heidelberger Druckmasch Ag Falzapparat an Rollenrotationsdruckmaschinen
DE3726239A1 (de) * 1987-08-07 1989-02-16 Frankenthal Ag Albert Falzapparat
DE4332299A1 (de) * 1993-09-23 1995-03-30 Roland Man Druckmasch Falzapparat mit Vorrichtungen zum Querfalzen und Heften von Druckexemplaren
DE19532027A1 (de) * 1995-08-31 1997-03-06 Koenig & Bauer Albert Ag Verfahren und Vorrichtung zum Entfernen von auf Punkturnadeln befindlichen Beschnittstreifen
DE102010005378A1 (de) * 2010-01-22 2011-07-28 manroland AG, 63075 Falzwerk

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941798A (en) * 1958-12-18 1960-06-21 Hess And Barker Sheet cutting and folding machine
DE2517000C2 (de) * 1975-04-17 1985-01-31 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Falzapparat für quer- und längsgefalzte oder nur längsgefalzte Produkte

Also Published As

Publication number Publication date
ATE11397T1 (de) 1985-02-15
EP0046262B1 (fr) 1985-01-23
EP0046262A1 (fr) 1982-02-24
DE3168486D1 (en) 1985-03-07
DE3030705A1 (de) 1982-02-18

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