EP0675061B1 - Dispositif d'alimentation de produits plats en continu à un poste de délivrance - Google Patents

Dispositif d'alimentation de produits plats en continu à un poste de délivrance Download PDF

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Publication number
EP0675061B1
EP0675061B1 EP95100154A EP95100154A EP0675061B1 EP 0675061 B1 EP0675061 B1 EP 0675061B1 EP 95100154 A EP95100154 A EP 95100154A EP 95100154 A EP95100154 A EP 95100154A EP 0675061 B1 EP0675061 B1 EP 0675061B1
Authority
EP
European Patent Office
Prior art keywords
products
conveying
deflection
discharge location
deflection wheel
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
EP95100154A
Other languages
German (de)
English (en)
Other versions
EP0675061A1 (fr
Inventor
Werner Honegger
Kurt Bohli
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
Original Assignee
Ferag 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 Ferag AG filed Critical Ferag AG
Publication of EP0675061A1 publication Critical patent/EP0675061A1/fr
Application granted granted Critical
Publication of EP0675061B1 publication Critical patent/EP0675061B1/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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/24—Feeding articles in overlapping streams, i.e. by separation of articles from a pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • B65H1/22—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device moving in direction of plane of articles, e.g. for bodily advancement of fanned-out piles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/30—Supports or magazines for piles from which articles are to be separated with means for replenishing the pile during continuous separation of articles therefrom
    • 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
    • B65H29/6663—Advancing articles in overlapping streams changing the overlapping figure reversing 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
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/58—Means for achieving gripping/releasing operation
    • B65H2405/583—Details of gripper orientation
    • B65H2405/5832—Details of gripper orientation and varying its orientation after gripping

Definitions

  • the present invention relates to a device for the uninterrupted supply of flat products to a delivery point, according to the preamble of claim 1, and a device for supplying flat products to a further processing point according to claim 8.
  • DE-A-25 02 790 discloses a circular stack feeder with a lower loading table and a removal table arranged above it.
  • a conveying and deflecting device transports the shingled sheets deposited on the loading table in a first conveying direction to the underside of a reversing drum and with the aid of the reversing drum around it upwards on the removal table in a second conveying direction opposite to the first conveying direction.
  • the conveying and deflecting device has the reversing drum over an angle of almost 180 ° wrapping conveyor belts which are guided at the end of the conveying gap facing the removal table around a deflecting roller which is higher than the reversing drum.
  • US-A-2,589,428 discloses a device for collating sheet-like products with a collating conveyor having controllable grippers arranged on a revolving chain. Below the collating conveyor, several devices are arranged one behind the other for the uninterrupted delivery of the products to delivery points, at each of which the uppermost product of a stack-like supply is raised by means of a suction device and fed to a gripper. To hold the supply, each device has a stacking shaft which is inclined forwards in relation to the vertical, in the conveying direction of the collating conveyor, the stacking wall at the front of which is provided with a support strip against which the products rest with one of their edges.
  • each stacking shaft is assigned a second shaft floor, which is used for this purpose is, alternating with the first-mentioned manhole bottom, to raise the supply stack to the delivery point or to take up a replacement stack and to lift this from below onto the supply stack so that the manhole base carrying it can be moved out of the stacking duct in order to take up a new replacement stack.
  • the construction and control of this device is complex, since two shaft floors must be individually driven and controlled. Furthermore, the accessibility to the stacking shaft is limited, which represents a certain hindrance when inserting a replacement stack.
  • a conveyor belt and a deflection wheel form a curved stacking shaft that automatically adapts to the size of the products and at the same time exerts an aligning effect on them. Seen in the feed direction, before the bend, free access from above is guaranteed, which enables easy loading.
  • the scale-like formation, in which each product rests on the preceding one, enables a stack part to be easily formed at the delivery point by inserting the products from below. An almost complete overlap enables a large storage capacity with a small space requirement and gives the products both in the approximately horizontal part of the storage and in the Curvature a particularly good stability.
  • the products are only moved at a low conveying speed, which, for example, allows the supply to be supplemented by placing products arranged in so-called bars on the conveyor belt, the products being tilted forward after being deposited in the feed direction.
  • the low conveying speed also leads to a smooth running of the products into the stack part and thus prevents abrupt movements of the stack part.
  • a particularly preferred embodiment of the device according to the invention is specified in claim 2.
  • the products take up a position at the delivery point which is approximately 45 ° inclined from the vertical. On the one hand, this ensures the stability of the products and, on the other hand, automatic alignment.
  • a further preferred embodiment of the device according to the invention enables the formation of a stack part of a certain size with products lying congruently against one another.
  • the further preferred embodiment defined in claim 4 enables the processing of products with considerably different dimensions in a simple manner.
  • the also preferred form of training according to claim 5 increases the reliability of the facility by preventing individual products in the circumferential direction the deflection wheel can be seen beyond the delivery point.
  • the stop element can be used to "set up" the products, which means that, due to their own weight, they rest in a defined manner with the edge located at the bottom on the conveyor belt or the support element.
  • the drive of the conveyor belt by means of a stepping motor means that the products in the supply are exposed to vibrations which promote the alignment of the products.
  • Claim 7 defines a particularly simple form of training for the user-friendly generation of the scale-like formation, in which each product rests on the preceding one with almost complete overlap. Products which, because of their weight or size, cannot be placed on the conveyor belt in a rod-like manner, can be processed in a simple and user-friendly manner.
  • the device defined in claim 8 for feeding flat products to a further processing station takes advantage of the particular advantages of the device defined in claims 1 to 7.
  • a self-contained conveyor belt 10 is guided at a delivery point 12 around a deflection roller 16 which is freely rotatably mounted on a frame 14, the axis of which runs in the horizontal direction.
  • a drive roller 20 which is connected to a controlled drive, preferably a stepper motor 18 and is parallel to the deflection roller 16 and which is arranged deeper in relation to that in the vertical direction and at right angles to the axis in the horizontal direction.
  • the active strand 22 of the conveyor belt 10 extending between the drive roller 20 and deflection roller 16 loosely wraps around a deflection wheel 24, which is freely rotatably mounted on the free end of a lever 26 which is pivotably articulated on the frame 14 below the active strand 22.
  • the lever 26 and thus the deflection wheel 24 are biased in the direction against the deflection roller 16 by means of a spring element 28, preferably an air spring.
  • the diameter of the deflection wheel 24 is substantially larger than that of the deflection roller 16, for example 5 to 20 times, preferably approximately 8 to 12 times, and its axis of rotation 24 'running parallel to the axis of the deflection roller 16 is approximately at the same height as the deflection roller 16 , preferably by an amount less, but which is much smaller than the radius of the deflection wheel 24.
  • the highest point 24 '' of the Deflection wheel 24 is thus higher than deflection roller 16.
  • the inactive back strand 22 'of the conveyor belt 10 is guided between the deflection roller 16 and the drive roller 20 around a further deflection roller 30, which is arranged on the frame 14 in such a way that the active strand 22 of the yieldable conveyor belt 10 can deflect with respect to the deflection wheel 24.
  • the active strand 22 forms, together with the deflection wheel 24, a conveyor gap 32 for the flat products 34 to be delivered to the delivery point 12.
  • These can be single-page or multi-page printed products, such as cards, inserts, magazines or the like, which are at a further processing station in a major product will be introduced. But it can also be about samples and the like. Flexible flat products are particularly suitable.
  • the products 34 lie in a scale-like formation 36 on the active strand 22, in which each product 34, viewed in the feed direction Z, rests on the preceding one with approximately complete overlap. Furthermore, the products 34 rest on the conveyor belt 10 with their trailing edge 38 viewed in the feed direction Z. They are carried along due to friction with the conveyor belt 10 and are held in the conveyor gap 32 between the active run 22 and the deflection wheel 24, against which they rest with the leading edge 38 '. As can be seen in particular from FIG.
  • both the conveyor belt 10 and the deflection wheel 24 are considerably narrower than the products 34 Formation, the curved conveyor gap 32, and the compressive force of the conveyor belt 10 and the deflection wheel 24 acting in a central region, the products 34 are kept extremely stable.
  • the friction between the conveyor belt 10 and the products 34, as well as the lower friction between these and the deflection wheel 24 and the possible yielding of the conveyor belt 10 leads to an orderly fanning out of the products 34 in the conveyor gap 32, as can be seen particularly well from FIGS. 1 and 3 is recognizable.
  • the conveyor gap 32 ends approximately in the vertical direction. At the delivery point 12, this leads to the formation of a partial stack 40 with congruent products 34 which, with their lower, previously trailing edge 38, rest on a support element 42 arranged at the deflection roller 16 and supported on the frame 14. They assume a position that is preferably inclined by approximately 45 ° with respect to a vertical.
  • the partial stack 40 is built up from below by inserting products 34 from the conveyor gap 32.
  • the uppermost product 34 'of this partial stack 40 is accessible both on its exposed surface and along all edges.
  • a strip-like detachment element 44 is arranged on each side of the deflection wheel on the frame.
  • the periphery of the deflection wheel 24 cuts the release element 44 in every position to ensure that none of the products 34 could be taken away by the deflection wheel 24.
  • the detachment element 44 forms, together with the deflection wheel 24, an open one towards the support element 42, obtuse angle and is arranged with respect to that in such a way that when a product 34 arrives under the partial stack 40, this runs with its leading edge 38 ′ onto the detachment element 44 and is lifted off the deflection wheel 24. This facilitates the insertion of the subsequent products 34 and promotes the quality of the partial stack 40 in that the products 34 are pressed against the support element 42.
  • a sensor element 46 is arranged at the delivery point, which is connected via a line 48 to a controller 50 which controls the stepper motor 18 in such a way that the uppermost product 34 ′ of the partial stack 40 is always located at the delivery point 12.
  • the conveyor belt 10 is preceded by a ribbon conveyor 52 with a plurality of endless ribbons arranged next to one another, which are guided at the beginning and at the end of the ribbon conveyor 52 around ribbon rollers 54 fixedly mounted on the frame 14.
  • the end region of the ribbon conveyor 52 overlaps the initial region of the conveyor belt 10, the ribbon rollers 54 on this side being connected to the stepping motor 18 in order to drive the ribbon conveyor 52 at approximately the same speed as the conveyor belt 10.
  • the ribbon conveyor 52 rises slightly, the active run 22 of the conveyor belt 10 essentially forming a straight line continuation of the ribbon conveyor 52 when there are no products 34 in the conveyor gap 32; compare the position of the deflection wheel 24 shown in broken lines in FIGS. 1 and 3.
  • a schematically indicated shaft 56 is arranged there, which, viewed in the feed direction Z, is inclined obliquely backwards with respect to a vertical.
  • this shaft 56 for example, stacks of products 34 can be inserted by hand, from which the scale-like formation 36 is produced with an almost complete overlap of the products 34 when the belt conveyor 52 is driven. It has been shown that in this formation 36 the products 34 essentially maintain their position, ie that they are arranged approximately at right angles to the longitudinal direction of the shaft 56. In other words, the formation 36 can be adjusted by correspondingly inclining the shaft 56 with respect to the ribbon conveyor 52.
  • a suction head 58 is designated 58, which is intended to capture the uppermost product of the partial stack 40 adjacent to the trailing edge 38, which is now located below, and to raise it in the direction of arrow A, where it travels with the trailing edge 38 protrudes into the path of movement of the clamps 60 of a conveyor 62.
  • a clamp 60 grips the product 34 in the region of the trailing edge 38 with the clamp mouth directed forward in the circumferential direction U and pushes it off from the partial stack 40, as is indicated in broken lines.
  • the brackets 60 are arranged on arms 64 of a rotatably driven wheel 66 and controlled by means of a link control 68.
  • a conveyor 62 which is particularly suitable for this purpose is disclosed in the simultaneous EP-A-0 675 062.
  • EP-A-0 606 550 A similar conveyor, also suitable for the present purpose, is disclosed in EP-A-0 606 550. But it is also conceivable that the conveying device 62 has, for example, individually controllable grippers arranged on a rotating chain, each of which grips a product and transports it away. For the sake of completeness, reference is made to EP-A-0 553 455, which discloses a particularly suitable drive device for the suction head 58.
  • the uppermost product of the partial stack 40 which in this case has correspondingly few products, is also supported on the conveyor belt 10 in the region of the deflection roller 16.
  • the delivery point 12 is preferably located at a point at which the uppermost product 34 'with its lower edge 38 is arranged at the highest point of the conveyor belt 10.
  • the deflection wheel 24 assumes the position indicated by dash-dotted lines. It is easy to see that the first products 34 of the formation 36 form a wedge shape, which can easily run into the conveyor gap 32 when the conveyor belt 10 is driven. As a result, the yieldable conveyor belt 10, on the one hand, diverts with respect to the deflection wheel 24 in the radial direction towards the outside, and the latter is pushed back against the force of the spring element 28 as soon as the formation 36 enters the rising area of the conveyor gap 32. There is therefore an automatic Adaptation of the conveyor belt 10 and the position of the deflecting wheel 24 to the formation 36.
  • the products 34 run with the leading edge 38 'onto the detachment element 44 and are thus lifted off the deflecting wheel 24, and at the same time they run with it trailing edge 38 on the support member 42 to form the partial stack 40.
  • the stepping motor 18 is stopped until this product 34' is lifted off and transported away, whereupon the formation 36 is immediately tracked by starting the stepping motor 18 again, so that at the delivery point 12 a product 34 is always ready for delivery.
  • the device according to the invention can be used to process a large number of products 34 which differ in terms of format and quality. Their overlap depends on the thickness of the products, but is usually more than 90%, preferably more than 95%. However, it should be mentioned that the overlap can also be significantly less.
  • the resilient conveyor belt 10 can consist of a material with elastic properties, but it can also be replaced by an inextensible one, which is then to be arranged to be resilient.
  • the further deflecting roller 30 could be suspended in a resilient manner.
  • the conveyor belt 10 or the ribbon conveyor 52 can also be from a winding in which the products 34 are arranged in a scale formation together with a winding belt on a Winding core are wound, are fed.
  • the overlap of the products is increased, preferably when the products are transferred to the conveyor belt or the belt conveyor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Conveyance By Endless Belt Conveyors (AREA)
  • Discharge By Other Means (AREA)
  • Making Paper Articles (AREA)

Claims (8)

  1. Dispositif d'alimentation en continu de produits plats jusqu'à un point de distribution, comprenant
    - une bande transporteuse (10) sans fin servant à supporter les produits (34) constituant un stock et à faire passer les produits (34) jusqu'au point de distribution (12), laquelle bande transporteuse est guidée au moins près du point de distribution (12) autour d'un galet de renvoi (16) fixe, bande transporteuse dont le brin (22) de transport et servant de support s'enroule par le dessous autour d'une roue de renvoi (24) pour constituer un espace de transport (32) pour les produits (34) qui - dans une formation (36) par imbrication, dans laquelle chaque produit (34), vu dans la direction (Z) d'alimentation, est à chaque fois en appui, par chevauchement, sur le produit précédent - avec leur bord arrière (38), sont en appui sur la bande transporteuse (10), et
    - une commande (18) accouplée à la bande transporteuse (10) pour régler le côté distribution (34') du stock sur le point de distribution (12), de façon telle qu'un produit (43') se trouve à chaque fois à proximité du point de distribution, où les produits (34) se chevauchant de préférence presque complètement constituent un stock en forme de pile et sont en appui, avec un de leurs bords, sur la bande transporteuse (10), et la roue de renvoi (24), constituant avec le brin (22) l'espace de transport (32), est poussée approximativement en direction contre le galet de renvoi (16),
    caractérisé en ce que le point le plus haut (24'') de la roue de renvoi (24) est plus haut que le galet de renvoi (16), de sorte que les produits (34) sortant de l'espace de transport (32) à proximité du galet de renvoi (16) prennent une position inclinée par rapport à une verticale de la roue de renvoi (24).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'axe de rotation (24') de la roue de renvoi (24) se trouve à peu près à la même hauteur que le galet de renvoi (16), et en ce que l'espace de transport (32), à proximité du galet de renvoi (16), se termine au moins suivant une direction presque verticale.
  3. Dispositif selon la revendication 1 ou 2, caractérisé par un élément support (42) disposé à proximité du point de distribution (12), élément support sur lequel les produits (34) s'éloignant de la bande transporteuse (10) pour former un élément de pile (40) oblique viennent en contact avec des produits (34) contigus entre eux, avec un degré de recouvrement identique et en appui avec leur bord arrière (38).
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la roue de renvoi (24) est disposée sur un levier (26), commandé par ressort, logé au-dessous du brin (22) de transport et servant de support.
  5. Dispositif selon l'une quelconque des revendications 1 à 4, caractérisé par un élément de séparation (44) qui, vu dans la direction d'alimentation (Z), placé en aval de l'espace de transport (32), constitue avec la périphérie de la roue de renvoi (24), un angle obtus, lequel élément de séparation est éloigné par un intervalle, du galet de renvoi (16) ou de l'élément support (42), lequel intervalle est plus petit que la longueur des produits.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la commande (18) comprend un moteur pas à pas.
  7. Dispositif selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'un transporteur (52) à bandes étroites est monté en amont de la bande transporteuse (10), transporteur à bandes étroites au-dessus duquel est disposé un puits (56) incliné vers l'arrière par rapport à la direction d'alimentation (Z), lequel puits sert à recevoir une pile de produits (34) afin de constituer la formation imbriquée (36) lorsque le transporteur (52) à bandes étroites est actionné.
  8. Installation d'alimentation de produits plats jusqu'à un poste de traitement ultérieur, comprenant
    - un dispositif selon l'une quelconque des revendications 1 à 7 pour l'alimentation des produits (34) jusqu'à un point de distribution (12),
    - un dispositif de transport (62) monté en aval de ce point de distribution pour prendre et continuer le transport des produits (34), et
    - un dispositif d'aspiration (58) pour soulever le produit (34') se trouvant à proximité du point de distribution (12) et pour acheminer ce produit dans la zone de transport du dispositif de transport (62).
EP95100154A 1994-03-24 1995-01-07 Dispositif d'alimentation de produits plats en continu à un poste de délivrance Expired - Lifetime EP0675061B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH88694 1994-03-24
CH886/94 1994-03-24

Publications (2)

Publication Number Publication Date
EP0675061A1 EP0675061A1 (fr) 1995-10-04
EP0675061B1 true EP0675061B1 (fr) 1997-12-10

Family

ID=4197475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100154A Expired - Lifetime EP0675061B1 (fr) 1994-03-24 1995-01-07 Dispositif d'alimentation de produits plats en continu à un poste de délivrance

Country Status (7)

Country Link
US (1) US5636832A (fr)
EP (1) EP0675061B1 (fr)
JP (1) JP3500588B2 (fr)
AU (1) AU679307B2 (fr)
CA (1) CA2145370C (fr)
DE (1) DE59501087D1 (fr)
ES (1) ES2110786T3 (fr)

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US7703760B2 (en) 2002-09-12 2010-04-27 Ferag Ag Method and a device for processing and separating an imbricate formation of flexible, flat objects

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US6427999B1 (en) 1999-02-17 2002-08-06 Quad/Tech, Inc. Signature hopper loader apparatus and method
EP1050499B1 (fr) * 1999-05-07 2003-08-20 Ferag AG Dispositif pour alimenter un appareil de traitement en objects plats
DK1112861T3 (da) 1999-12-28 2004-02-23 Ferag Ag Fremgangsmåde og anordning til forbindelse af supplerende produkter med trykkeriprodukter
ATE276959T1 (de) 2001-07-10 2004-10-15 Ferag Ag Vorrichtung zum anbringen von ergänzungsprodukten an druckereierzeugnissen
US7222844B2 (en) * 2002-03-29 2007-05-29 Quad/Graphics, Inc. Hopper loader with lateral deblocking
DE50303207D1 (de) * 2003-08-07 2006-06-08 Mueller Martini Holding Ag Vorrichtung zum Zentrieren eines Schuppenstromes
US8002689B2 (en) * 2006-03-06 2011-08-23 Goss International Americas, Inc. Folder with signature removal and slowdown process
DE102010015831A1 (de) * 2010-04-20 2011-10-20 Heidelberger Druckmaschinen Ag Umschlaganleger

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Publication number Priority date Publication date Assignee Title
US7703760B2 (en) 2002-09-12 2010-04-27 Ferag Ag Method and a device for processing and separating an imbricate formation of flexible, flat objects

Also Published As

Publication number Publication date
EP0675061A1 (fr) 1995-10-04
JP3500588B2 (ja) 2004-02-23
DE59501087D1 (de) 1998-01-22
CA2145370A1 (fr) 1995-09-25
AU679307B2 (en) 1997-06-26
JPH0812160A (ja) 1996-01-16
CA2145370C (fr) 2003-06-10
US5636832A (en) 1997-06-10
ES2110786T3 (es) 1998-02-16
AU1230395A (en) 1995-10-05

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