EP1059256B9 - Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée - Google Patents

Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée Download PDF

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Publication number
EP1059256B9
EP1059256B9 EP00109324A EP00109324A EP1059256B9 EP 1059256 B9 EP1059256 B9 EP 1059256B9 EP 00109324 A EP00109324 A EP 00109324A EP 00109324 A EP00109324 A EP 00109324A EP 1059256 B9 EP1059256 B9 EP 1059256B9
Authority
EP
European Patent Office
Prior art keywords
conveyor
objects
restraining
working section
conveying
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
EP00109324A
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German (de)
English (en)
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EP1059256B1 (fr
EP1059256A1 (fr
Inventor
Egon Hänsch
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.)
Ferag AG
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Ferag AG
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Filing date
Publication date
Application filed by Ferag AG filed Critical Ferag AG
Publication of EP1059256A1 publication Critical patent/EP1059256A1/fr
Publication of EP1059256B1 publication Critical patent/EP1059256B1/fr
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Publication of EP1059256B9 publication Critical patent/EP1059256B9/fr
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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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6654—Advancing articles in overlapping streams changing the overlapping figure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/22—Distance

Definitions

  • the present invention relates to a device for Correct the location of scaled on a first conveyor accumulating flat objects, in particular Printed products, according to the preamble of the claim 1.
  • a device of this kind is known from CH-A-677 778.
  • a position change device arranged in the conveying plane, in opposite directions driven discs, on which eccentric one shift cam each. These shifting cams are intended, each at the trailing edge each in a shingled stream on the first conveyor accumulating object to get into plant and this to accelerate in the conveying direction and the second conveyor supply.
  • This is assigned a braking device, which is intended by the rotation of the Discs accelerated objects to the conveying speed of the second conveyor to decelerate.
  • the position change device is one as circulating driven pressure belt trained retention device upstream, at least that with the through the shift cams accelerated printed product in Contact subsequent printed products against Secure transport.
  • a device that, with gentle treatment of the objects is universally applicable, is in WO-A-99/35072. It has a displacement element by means of a drive is moved along a path of movement, wherein a working portion of the movement path at least approximately straight and at least approximately in the conveying direction flat objects, such as printed products, runs.
  • the sliding element is in the working section instantaneously driven at a speed the at the downstream end of the work section when transferring the items to a second conveyor at least approximately equal to the conveying speed of this second conveyor is.
  • the frequency with which the Displacement element in the conveying direction F through the working section is moved is about 1.2 to 1.4 times as large as the quotient of the first conveying speed, with which supplied the objects to the working section and a permissible minimum distance between the Trailing edges of successive objects in the accruing Imbricated formation. If the allowed minimum Distance between the trailing edges of successive Objects in the resulting scale formation fell below There is a risk that the one object too close following next item as a result of Frictional forces taken along and promoted uncorrected becomes.
  • a retaining device has downstream of the displacement element a retaining element in the path of movement the leading edge of the objects protrudes and from this position outside the range of the trajectory the leading edge is moved only when an object in the correct position to pass by.
  • the retaining element forms a kind of lock that is only too well defined Time each run through an object. A non-conforming object is withheld until the retaining element releases it in phase.
  • the device shown in FIG. 1 has a first conveyor 10 designed as a ribbon conveyor, whose conveyor belts 12 are driven continuously in the conveying direction F at a speed v 1 .
  • the conveyor belts 12 At the downstream end of the first conveyor 10, the conveyor belts 12, as is well known, led to coaxially mounted deflection wheels.
  • the shaft on which these pulleys are mounted, is designated 14.
  • the second conveyor 16 Between the said guide wheels sit further guide wheels 18 - of which in Fig. 1 only one is visible - same diameter, which are keyed to the shaft 14 and around which the other conveyor belt 12 ' of the first conveyor 10 immediately downstream second conveyor 16 out are.
  • the second conveyor 16 is also driven in the conveying direction F but now with a conveying speed v 2 , which is greater than the conveying speed v 1 of the first conveyor.
  • the second conveyor 16 associated deflection wheels 18 are pressure rollers 20 freely rotatably mounted, which together with the respective deflection wheels 18 guided conveyor belt 12 ' a conveying gap for the flat objects 22, folded in the present case printed products, such as newspapers, magazines and the like, form.
  • the pressure rollers 20 are arranged at the free end of a pivotably mounted on a machine frame 24 bearing lever 26 which is held by means of a force acting between itself and the machine frame 24 compression spring 28 in the direction of the shaft 14 biased.
  • the conveyor belts 12 'and pressure rollers 20 form a conveying gap 30 for the articles 22, which are fed to the second conveyor 16 in the correct position and phase.
  • a guide wheel 32 of a retaining device 34 is keyed onto the shaft 14.
  • the guide wheel 32 has in the circumferential direction evenly distributed concentrically to the shaft 14 extending portions 32 'and in between indentations 36.
  • the retainer 34 has a leaf spring formed as spring element 38, the longitudinal direction extends approximately in the conveying direction and is held with its upstream end portion 40 on the machine frame 24 clamped such that it with its opposite end 40 ' on the pressure rollers 20 and thus the movement path of the articles 22 facing side of the guide wheel 32 abuts against this under prestress.
  • the end portion 40 is clamped between the machine frame 24 and a support body 42, to which a leaf spring 44 is fixed, which abuts with a bend formed by a bend on the spring element 38 in the vicinity of the free end 40 ' and the bent end portion of a retaining element 46 of Retaining device 34 forms.
  • retaining member 46 ' is of the articles 22 is held above in a retaining position when the end 40' via the spring element 38 by means of the Kulissenrads 32 via the conveying strap 12 in the path of movement of the leading edge 22 at one of the sections 32 abuts' , As soon as this section 32 'runs from the end 40 ' , this end 40 ' enters a recess 36, as a result of which the retaining element 46 is briefly moved back from the path of movement of the front edge 22 ' of the articles 22 in a release position into a release position. A possibly at the retaining element 46 with its front edge 22 ' fitting object 22 is thereby released and conveyed into the conveying gap 30.
  • the retaining element 46 During the subsequent lifting of the retaining element 46, this comes with its free end 46 ' on the underlying flat side 48 of this second conveyor 16 supplied object to the plant and remains in the further promotion of investment until the next moving out of the path of the leading edge 22' of the objects 22nd
  • the articles 22 are conveyed in an imbricated formation, in which each article rests on the respective trailing.
  • the spring element 38 ensures the abutment of the end 46 'on the flat side of the object in question 22, even if its distance to the conveyor belt 12 - due to the subsequent underlying article 22 - increases.
  • the retaining element 46 should preferably be located as close as possible to the conveying gap 30 upstream of the conveying gap 30.
  • a position changing means 50 is arranged for the objects 22 fed into the scale formation S.
  • the position change device 50 has an axis 52 ' extending at right angles to the conveying direction F, continuously driven support wheel 52, along which a circle is distributed uniformly around the axis 52' in the circumferential direction and about stub axles 54 parallel to the wheel axle.
  • the bearing body 56 is in the form of a two-armed lever are stored.
  • a control roller 58 is freely rotatably mounted thereon and cooperates with a fixed control cam 60 running around the axis 52 ' .
  • the direction of rotation D and the continuous rotational speed of the support wheel 52 are selected such that the displacement elements 68 move in a working section 70 of its orbit 72 in the conveying direction F at a speed v 3 , which is greater than the conveying speed v 1 and less than or equal to Conveying speed v 2 of the second conveyor 16 is.
  • the control link 60 is shaped such that the displacement element 68, ie the leaf spring element 64 with its free end 66 ' at the upstream end 70 "of the working portion 70 to the overhead free flat side 48 ' of an object 22 applies and adjoining this slidably to the the downstream end 70 'of the working section 70 is moved.
  • the spring characteristic also bear on the one hand the leaf spring member 64 and on the other hand the spring 62 in.
  • the control link 60 is in the working portion 70 are formed such that at the thinnest processed imbricated formation S, the control roller 58 at its and the leaf spring element 64 is biased against the flat side 48 ' .
  • control roller 58 lifts off the control link 60 against the force of the tension spring 62.
  • the bearing bodies 56 are moved by means of the Control link 60 against the direction of rotation D mar in such a way that the displacement element 68 lifts off from the objects 22.
  • this is located downstream located end 70 'of the working portion 70 by a Distance away from the conveying gap 30, which is approximately in the conveying direction measured length of in the scale formation S arranged objects 22 corresponds.
  • the distance between the end 70 'of the working portion 70 and the retaining element 46 is only slightly smaller than the above Distance.
  • the preferred frequency with which the displacement elements 68 are moved in the conveying direction F by the at least approximately rectilinear working section 70 is approximately 1.2 to 1.4 times the quotient of the first conveying speed v 1 with which the articles 22 are fed are, and a permissible minimum distance a 1 between the trailing edge 22 '' of successive objects in the resulting imbricated formation S.
  • the conveying speed v 2 of the second conveyor at least approximately 2 to 4 times as large as the first conveying velocity v1.
  • the quotient of the second conveying speed v 2 and the nominal distance A 2 , in which the articles 22 are further conveyed, is far greater than the quotient of the first conveying speed v 1 and the minimum distance A 1 in the resulting formation.
  • the working portion 70 of the trajectory 72 is at least approximately twice as long as the allowable minimum distance A 1 between the trailing edges 22 "of successive objects 22 in the resulting formation, as disclosed in the earlier WO-A-99/35072 ,
  • the inventive device with the retaining device 34 ensures even in the correct position and phase-correct conveying further all supplied objects 22 when the permissible minimum distance A 1 in the supplied scale formation of individual objects 22 is reached. This will be explained with reference to FIGS. 2 to 6. These show the device shown in Figure 1 at different times of a work cycle. the same reference numerals as in FIG. 1 are used for the same parts.
  • a designated in Fig. 2 with 68 ' displacement element has just an object 22 by pushing at the rear edge 22 "with the leading edge 22 ' in advance pushed into the conveying gap 30 and by pivoting clockwise from the top flat side 48" of the subsequent article 22nd away.
  • the retaining element 46 is in restraint position on the lower flat side 48 of that object which has been supplied to the conveying gap 30.
  • the displacement element 68 ' following displacement element 68 has been applied to the upstream flat side 48 "of the next but one object 22 at the upstream end 70" of the working section 70.
  • the object immediately preceding this object - hatched for better recognition - is at a distance from the trailing edge 22 '' of the conveying gap 30 supplied object 22 which is shorter than the minimum distance A 1 .
  • this article 22 now comes to rest with its front edge 22 ' on the retaining element 46 in the retaining position, whereby it is retained and prevented from being entrained in the conveying direction F.
  • the retaining element 46 is moved back out of the path of movement of the front edge 22 ' into the release position, whereupon the displacement element 68 further conveys the object 22 with the leading edge 22 ' into the conveying gap 30 can. This is shown in FIG. 4. It can also be seen in this figure that the retaining element 46 is returned to the retaining position immediately after the release of an object 22.
  • Fig. 7 shows an embodiment of the device capable of correcting the position of objects 22 in phase, fed in a scale formation S ' , in which each object rests on the leading edge.
  • the first conveyor 10 and the second conveyor 16 are of the same design as in the apparatus according to FIGS. 1 to 6, but now the shaft 14 ' , on which the guide wheels 18 for the conveyor belts 12, 12 ' of the conveyor 10 and 16 stored are resiliently suspended in the direction of being biased against the top. 1, wherein now on the shaft 14 for the cam wheel 32 reference wheels 74 sit, as seen in the vertical direction, the position of the imbricated formation S set and together with the order of the pulleys 18 guided conveyor belt 12 'form the conveying gap 30.
  • the retaining device 34 is mirror-inverted to the retaining device 34 shown in FIG. 1 and described above.
  • the below the first conveyor 10 and upstream the retaining element 46 arranged position change device 50 is a mirror image of that shown in FIG and position change means described above 50 trained.
  • the displacement elements 68 are between adjacent conveyor belts 12 of the first conveyor 10 through into the working section 70 of its orbit 72 and in the trajectory of the trailing edges 22 "of Items 22 moved.
  • FIG. 7 The operation of the embodiment shown in FIG. 7 is the same as that shown in Fig. 1 embodiment.
  • the retaining element 46 holds at best early arriving at him 22 objects on the top Leading edge 22 'back and the sliding elements 68 are intended to abut the articles 22 whose lower trailing edge 22 '' the conveying gap 30th and thus supply to the second conveyor 16.
  • the articles 22 are always fed to the second conveyor 16 in the desired cycle.
  • the position changing means 50 and the retainer 34 are driven at a processing speed which is about 20 to 40% larger than the regular largest bout of articles, from time to time for one bar or optionally two or more consecutive bars no object 22 is the second conveyor 16 supplied. It is essential, however, that all the second conveyor 16 supplied objects in the desired phase position and the distance between successive objects always the required distance A 2 or an integral multiple thereof corresponds.
  • the retaining element 46 different trainees and in different ways, for example, via a cylinder-piston unit to drive.
  • the distance between the trailing edges 22 '' of the resulting objects can vary widely. However, it should not be smaller or smaller than the minimum permissible distance A 1, or only for individual objects.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Paper (AREA)
  • Special Conveying (AREA)
  • Attitude Control For Articles On Conveyors (AREA)

Claims (9)

  1. Dispositif pour corriger la position d'objets plats, en particulier de produits d'imprimerie, arrivant imbriqués sur un premier transporteur, comprenant un élément de déplacement (68) déplacé le long d'une trajectoire de déplacement (72), qui est entraíné au moins dans une section de travail (70) de la trajectoire de déplacement (72) à une vitesse (v3), par rapport à la direction d'avance (F) du premier transporteur (10), supérieure à la vitesse d'avance (v1) du premier transporteur (10) et qui est prévu pour acheminer les objets (22) acheminés au moyen du premier transporteur (10) par impact contre leur bord arrière (22") les uns après les autres à un deuxième transporteur (16) entraíné par rapport à la vitesse d'avance (v1) du premier transporteur (10) à une vitesse d'avance (v2) plus importante, et comprenant un dispositif de retenue (34) pour des objets (22), le dispositif de retenue (34) présentant un élément de retenue (46) disposé en aval par rapport à la section de travail (70), caractérisé en ce que l'élément de retenue (46) fait saillie dans la position de retenue dans la trajectoire de déplacement des bords avant (22') des objets (22) et agit comme une butée pour le bord avant (22') des objets (22), l'élément de retenue (46) étant déplacé de manière coordonnée au mouvement de l'élément de déplacement (68) de la position de retenue dans une position de libération en dehors de cette trajectoire de déplacement et étant prévu pour retenir, dans la position de retenue, les objets (22) arrivant trop tôt jusqu'à ce que l'élément de déplacement (68) ait rattrapé leur bord arrière (22").
  2. Dispositif selon la revendication 1, caractérisé en ce que l'élément de retenue (46) est disposé de manière éloignée au maximum de la longueur mesurée dans la direction d'avance (F) des objets (22) de l'extrémité aval (70') de la section de travail (70) et est déplacé dans la position de libération à chaque fois juste avant que l'élément de déplacement (68) atteigne l'extrémité aval (70') de la section de travail (70).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'un élément à ressort (38) est prévu entre l'élément de retenue (46) et son élément d'entraínement (32), afin de maintenir en appui l'élément de retenue (46) dans la position de retenue contre un côté plat (48) de l'objet (22) acheminé à chaque fois par l'élément de déplacement (68) au deuxième transporteur (16).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé par un entraínement pour l'élément de retenue (46), qui présente en tant qu'élément d'entraínement une roue à coulisse (32) entraínée de manière synchronisée avec l'élément de déplacement (68).
  5. Dispositif selon les revendications 3 et 4, caractérisé en ce que l'élément à ressort (38) est réalisé en forme de ressort à lames et est tendu d'un côté avec précontrainte dans la direction de la roue à coulisse (32) et coopère avec son extrémité libre (40') avec la roue à coulisse (32).
  6. Dispositif selon la revendication 5, caractérisé en ce que l'élément de retenue (46) est formé par la portion d'extrémité libre coudée d'un ressort à lames (44) maintenu à l'autre extrémité, qui s'applique contre l'élément à ressort (38).
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé par une fente d'alimentation (30) entraínée dans la direction d'avance (F) et à la vitesse d'avance (v2) du deuxième transporteur (16), disposée en aval de l'élément de retenue (46), vers laquelle l'élément de déplacement (68) achemine les objets (22), la fente d'alimentation (30) se trouvant à une distance de l'extrémité aval (70') de la section de travail (70) qui correspond approximativement à la longueur des objets (22) mesurée dans la direction d'avance (F).
  8. Dispositif selon l'une quelconque des revendications 4 à 6 et selon la revendication 7, caractérisé en ce que la fente d'alimentation (30) est limitée par le deuxième transporteur (16), de préférence par une bande transporteuse (12') guidée autour d'une poulie de renvoi (18) disposée coaxialement à la roue à coulisse (32).
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé par une pluralité d'éléments de déplacement (68) qui sont disposés sur une roue de support (52) entraínée en continu, répartis uniformément le long d'un cercle autour de l'axe de la roue (52') dans la direction périphérique, de manière à pouvoir pivoter autour d'axes (54) parallèles à l'axe de la roue (52') et qui sont commandés dans leur position pivotée, au moyen d'une coulisse pivotante (60) tournant autour de l'axe de la roue (52'), de telle sorte qu'ils parviennent à l'extrémité amont (70") de la section de travail (70) en appui contre un côté plat (48') de l'objet suivant l'objet à déplacer (22), puis glissent le long de ce côté plat (48') dans la direction d'avance (F) et soient soulevés au niveau de l'extrémité aval (70') de la section de travail (70) par le côté plat (48').
EP00109324A 1999-06-01 2000-05-02 Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée Expired - Lifetime EP1059256B9 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH102899 1999-06-01
CH102899 1999-06-01

Publications (3)

Publication Number Publication Date
EP1059256A1 EP1059256A1 (fr) 2000-12-13
EP1059256B1 EP1059256B1 (fr) 2004-08-18
EP1059256B9 true EP1059256B9 (fr) 2005-01-19

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EP00109324A Expired - Lifetime EP1059256B9 (fr) 1999-06-01 2000-05-02 Dispositif pour corriger la position d'objects plats arrivant en formation imbriquée

Country Status (7)

Country Link
US (1) US6302260B1 (fr)
EP (1) EP1059256B9 (fr)
AT (1) ATE273909T1 (fr)
AU (1) AU769877B2 (fr)
CA (1) CA2309311A1 (fr)
DE (1) DE50007436D1 (fr)
DK (1) DK1059256T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050146088A1 (en) * 2002-08-30 2005-07-07 Siemens Schweiz Ag Device for precision feeding of flat sortation items to an input device for a sorting conveyor
US20050191164A1 (en) * 2002-10-23 2005-09-01 Siemens Schweiz Ag Device for effecting the positionally accurate conveyance of flat articles to be sorted to an input device for a sorting conveyor
DE102005012029B3 (de) * 2005-03-16 2006-07-13 Siemens Ag Vorrichtung zum Vereinzeln von überlappenden flachen Sendungen
US8833758B2 (en) * 2011-09-09 2014-09-16 Vits America, Inc. Stacker

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834288A (en) * 1973-03-29 1974-09-10 Graphic Engineers Inc Interceptor for forming gaps in papers carried by a conveyor
CH591382A5 (fr) * 1974-05-28 1977-09-15 Ferag Ag
CH670077A5 (fr) * 1985-08-22 1989-05-12 Ferag Ag
DE3762033D1 (de) * 1986-07-29 1990-05-03 Ferag Ag Vorrichtung zum vergleichmaessigen des abstandes zwischen aufeinanderfolgenden produkten einer schuppenformation.
CH677778A5 (fr) * 1988-03-14 1991-06-28 Ferag Ag
US5100124A (en) * 1990-09-28 1992-03-31 John Brown Development Company Article stopping apparatus
CH683095A5 (de) * 1991-06-27 1994-01-14 Ferag Ag Verfahren und Vorrichtung zum Puffern von Druckprodukten in Schuppenformation.
CH689773A5 (de) * 1995-02-16 1999-10-29 Ferag Ag Vorrichtung zum Vergleichmaessigen des Abstandes zwischen aufeinanderfolgenden flaechigen Produkten.
EP1044155B1 (fr) * 1997-12-30 2002-05-08 Ferag AG Dispositif pour modifier la position d'articles achemines dans un courant a recouvrement
AU733153C (en) * 1997-12-30 2002-02-07 Ferag Ag Apparatus for transforming an overlapping stack of objects into an overlapping formation

Also Published As

Publication number Publication date
DE50007436D1 (de) 2004-09-23
US6302260B1 (en) 2001-10-16
DK1059256T3 (da) 2004-09-20
EP1059256B1 (fr) 2004-08-18
AU769877B2 (en) 2004-02-05
CA2309311A1 (fr) 2000-12-01
EP1059256A1 (fr) 2000-12-13
AU3642100A (en) 2000-12-07
ATE273909T1 (de) 2004-09-15

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