EP1254855B1 - Dispositif pour désassembler une pile d'objets plats et flexibles - Google Patents

Dispositif pour désassembler une pile d'objets plats et flexibles Download PDF

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Publication number
EP1254855B1
EP1254855B1 EP02005716A EP02005716A EP1254855B1 EP 1254855 B1 EP1254855 B1 EP 1254855B1 EP 02005716 A EP02005716 A EP 02005716A EP 02005716 A EP02005716 A EP 02005716A EP 1254855 B1 EP1254855 B1 EP 1254855B1
Authority
EP
European Patent Office
Prior art keywords
stack
circulatory
bearing elements
rest
circulatory path
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
EP02005716A
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German (de)
English (en)
Other versions
EP1254855A2 (fr
EP1254855A3 (fr
Inventor
Erwin Müller
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 EP1254855A2 publication Critical patent/EP1254855A2/fr
Publication of EP1254855A3 publication Critical patent/EP1254855A3/fr
Application granted granted Critical
Publication of EP1254855B1 publication Critical patent/EP1254855B1/fr
Anticipated expiration legal-status Critical
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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
    • B65H3/00—Separating articles from piles
    • B65H3/32—Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4232—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles
    • B65H2301/42322—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles from bottom of the 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4233—Depiling; Separating articles from a pile by peeling, i.e. involving elongated elements traversing pile

Definitions

  • the invention relates to a device for dismantling a stack of flat, flexible articles according to the preamble of claim 1.
  • a generic mining device is known from CH 598 106. It comprises a support device of mutually spaced, along a closed orbit moving, about its longitudinal axis freely rotatable rollers.
  • the rollers form in a part of the support device a support in the manner of a roller carpet, on which a stack of flat objects rests.
  • the rollers are moved under the stack, the stack always rests on several of the rollers.
  • a clocked driven suction member engages through the spaces between two rollers from below to the stack and each lifts one corner of the currently lowest product from the rest of the stack. In the space between the lifted corner and the rest of the stack at least travels in the direction of rotation of these two rolls of continuously moving roll or roll carpet into and peels off the lowest product from the rest of the stack.
  • the stack is fixed laterally by support elements.
  • the withdrawn product comes to rest on a belt conveyor arranged below the stack support.
  • the deposited products form a scale formation, which is continuously transported away.
  • the problem with the known device is that the occupied by the rollers Space is a cylinder jacket with a fixed cross-sectional area and a certain width, which is at least the length of the rollers. This space area is thus blocked by the roll carpet or the support device.
  • the belt conveyor must therefore be arranged obliquely to the orbit of the rollers and lead the degraded objects laterally out of the region of the support device.
  • the overall arrangement consisting of the support device and the belt conveyor therefore has a considerable lateral extent, which far exceeds the stack width. A compact realization of the mining device is not possible.
  • the stack on the stack support must be oriented obliquely to the rollers. This is an object just before storage on the belt conveyor held only at one corner. When depositing the article, therefore, twisting and thus undesired mechanical loading of the object as well as non-uniform scale formation can occur, especially at high rates of degradation.
  • the invention has the object of providing a device for reducing a stack of flat, flexible objects of the type mentioned in such a way that the lateral extent of the device is minimized. Furthermore, the objects should be reliably transferred to the belt conveyor even at high speeds in a defined orientation.
  • the product stack is supported by a plurality of support elements from below, which slide under the stack.
  • the support elements are part of a support device. They are preferably attached on one side to a conveying member, which is moved along a closed orbit.
  • the support elements preferably extend horizontally and parallel to one another. Particularly preferably, their axes lie in a common horizontal plane or a slightly curved surface, which represents the stack support.
  • the support elements about its longitudinal axis freely rotatable rollers, which roll friction against the objects to be dismantled.
  • the support elements are designed and driven, for example, as described in CH 598 106.
  • the support elements are pivotable or displaceable such that their position or orientation relative to the orbit is variable.
  • the orbital plane is the plane in which the orbit is located. If the orbit is a space curve that is not in a plane, the orbital plane is the plane through which the space curve can be locally approximated.
  • the area swept by the rollers space is according to the invention shaped so that the removal device save space can be performed from the field of support device.
  • the rollers are pivoted or displaced, thus clearing the way for the belt conveyor.
  • the belt conveyor can be arranged directly below the stack support. The inventive device can thus be constructed very compact.
  • the support elements are oriented parallel to the front or rear edge of the stack. Because of the invention is not necessary to place the stack obliquely to the support elements on the stack support. This means that a separated object is always held over its entire width until it is completely separated. It is not twisted when depositing on the belt conveyor at higher degradation speeds.
  • the support means may be formed in one or two parts.
  • a carpet is provided at one end pivotally mounted on a conveyor element support elements.
  • they can be supported at their free end in the area of the stack support by a rail.
  • the separating element engages, for example, as in CH 598 106 through the gap between two support elements on the lowest lying product. It is operated with a matched to the distance and the speed of the support elements clock.
  • the two-part design there are two roll carpets whose rolls or support elements lie in the area of the stack support in a common plane.
  • the support elements of the first and the second roll carpet are each attached to a first and second conveying member and relative to these slidable or pivotable.
  • the belt conveyor is preferably arranged between the conveying members.
  • the device comprises a support device 2, which has a multiplicity of rollers 3.
  • the rollers are attached to a wheel 12 via retaining elements 13.
  • the wheel serves as a conveying member for the rollers 3.
  • the held by the holding member 13 end (storage area) 3a of a roller is moved when moving the wheel 12 along a closed orbit Moved U, which is circular here, but can also be shaped differently.
  • the orbit U is located in a plane that is vertically oriented here.
  • the rollers 3 are pivotable relative to the wheel 12 by the holding member 13 has a fixedly connected to the wheel base 13a and a rotatably connected clamp 13b, which holds the roller 3 in the storage area 3a.
  • the axis of rotation D of the pivoting movement runs essentially in the radial or secantial direction, ie does not pass directly through the center M of the wheel 12.
  • the rollers 3 are preferably pivoted mechanically by means of a linkage control.
  • the control link not shown here interacts with the holding element 13 or the roller 3 in a suitable manner.
  • the rollers form a support 7 for the stack 1 over a section A1 of the circulating path U.
  • the rollers in this section are aligned parallel to one another, preferably horizontally or perpendicular to the circulating plane.
  • the stack support 7 is curved in accordance with the orbit U.
  • the stack 1 rests on the roller carpet formed by the rollers 3 and is held in position laterally by vertical limiting elements 6. These preferably define a shaft whose dimensions can be adapted to the format of the objects to be processed.
  • the stack 1 is dismantled from below by a separating member 5 engages the front edge 4 a of the article 4.
  • the front edge 4 a is pulled down, for example, by the separator 5 sucks the object 4 lying in the working area of the separating element at the bottom.
  • three separating elements 5, designed as suckers, are arranged on a wheel 11.
  • a roller 3 enters and peels off the object bent away from the separating element during its further movement from the stack 1.
  • the stack 1 is supported by a plurality of rollers 3 from below. It is not necessary for an article to be completely peeled off before the separator 5 accesses another article.
  • several objects are still connected to the stack in the direction of movement of the rollers downstream, while their upstream edges are already bent away from the stack and separated from one another by rollers 3.
  • rollers 3 When removing the stack, the rollers 3 are parallel to the front or rear edge of the stack 1. The objects are therefore supported at all times over its entire width of at least one roller and do not twist during the transfer to the belt conveyor. 8
  • the rollers 3 are freely rotatable about their longitudinal axis and roll on the bottom of the stack or between the underlying objects. It can further be provided in the region of the stack support 7 means for rotating the rollers 3, which attack, for example, at the conically shaped end of the rollers 3. Thereby, the friction between the rollers 3 and the objects can be further reduced.
  • Such static friction strips 20 which cause the rollers to rotate by friction as they travel along the orbit are shown in FIGS. 2 and 3.
  • the belt conveyor 8 has a conveyor belt 9, which is aligned parallel to the plane of the orbit U.
  • the rear end 8a of the belt conveyor 8 is located in close spatial proximity to the trajectory of the rollers below the Stacking pad 7.
  • the distance and the lateral suspension 10 of the conveyor belt 9 is selected so that the rollers 3 can pass the rear end 8a.
  • the drop height of a removed object ie the distance between the rear end 8a of the belt conveyor 8 and the rear end 7a of the stack support 7, is thus substantially limited by the diameter of a roller 3 downwards. It can advantageously be kept low, whereby the objects can be reliably stored directly on the conveyor belt 9.
  • Complicated intermediate conveyors are dispensable.
  • the rollers are at least where the belt conveyor 8 in the plan view of the orbital plane crosses the orbit U, pivoted and thus give way for the belt conveyor 8 free.
  • the rollers 3 are at an angle of less than 90 ° to the orbital plane. They can also lie substantially in the orbital plane.
  • the belt conveyor 8 can therefore be performed in the immediate vicinity of the wheel 12 from the area of the orbit U. It can also cross the orbit twice, e.g. right and left of the stack 1 for conveying products under the stack (not shown here).
  • the rollers 3 are pivoted in the lower region A3 of the orbit U in such a way that they lie in the plane of the orbit.
  • the support device 2 therefore has a particularly small transverse extent in this lower region A3. In principle, however, it is sufficient that the rollers are dislodged only in the area A2 in which the path conveying device 8 crosses.
  • the rollers can be moved to linear or twisted as here be, whereby a pivoting movement may be sufficient by less than 90 °.
  • FIG. 2 shows a front view of a device according to the invention with a support device 2 with a first and a second roller system 2a, 2b.
  • the arrangement is mirror symmetrical to a center plane M1.
  • the illustration according to FIG. 1 corresponds to a section along this center plane M1.
  • first rollers 3 ' On a vertical first wheel 12a, first rollers 3 'are fastened via holding elements 13 and are moved along an orbit U1.
  • second rollers 3 are fastened to a second wheel 12b with holding elements 13.
  • the rollers 3 ', 3" are arranged horizontally and in pairs coaxially.
  • the rollers 3 ', 3 form a support 7 for the stack 1. This is laterally limited by support elements 6.
  • a separating element 5 engages the stack 1 from below between a first and a second roller 3 ', 3 ", the end faces of the rollers being spaced apart from one another (distance W1) for passage of the separating member 5.
  • the product is separated by a trailing pair of rollers
  • the belt conveyor 8 is arranged between the first and the second wheel 12a or 12b of the support device 2. According to the invention, the rollers 3 ', 3 "are moved during their movement along their orbit U1 or U1 U2 pivoted from its position perpendicular to the orbital plane E1 or E2 in an orientation in the orbital plane E1 or E2 or an angle of less than 90 ° thereto.
  • This can be the Belt conveyors are led out of the area circumscribed by the orbits U1 and U2 between the circulation planes E1 and E2.
  • the width W2 between the first and second rollers 3 'and 3 "in the area in which the path conveying device 8 is led out corresponds at least to the width B of the belt conveyor.
  • the device shown with two mirror-symmetric roller arrangements has the advantage that rapid adaptation to different formats is possible, for example by increasing or decreasing the distance of the circulation planes E1 and E2 or the wheels 12a, 12b.
  • the mechanical stability of the device is thereby ensured in a simple manner.
  • Another advantage is that the separating member 5 can access the stack from below at any time and no synchronization with the movement of the rollers 3 ', 3 "is necessary.
  • FIG. 3 shows another example of a device according to the invention with a supporting device 2 with a single roller carpet.
  • the structure of the support device 2 substantially corresponds to the structure of the left or right part of the support device according to FIG. 2.
  • FIG. 1 corresponds to a side view of this device.
  • Rollers 3 are attached via holding elements 13 to a wheel 12 and pivotable relative thereto.
  • the rollers 3 form the stacking support 7.
  • the rollers are pivoted out of the way, so that the removal device 8 can run parallel to the wheel 12 or the orbital plane E.
  • a support frame 15 is provided, in which the wheel 12 is mounted.
  • the separating element 5 engages through the intermediate spaces between two rollers 3 to the bottom of the stack 1.
  • the rollers are pivoted about an axis substantially normal to the orbit U or U1, U2 extending axis. It is also possible to realize the pivoting about another axis.
  • a pivoting about an axis running tangentially to the orbit is described and illustrated, for example, in the non-prepublished international patent application PCT / CH00 / 00530.
  • mounting the rollers on the support device or on a conveying member which can also be used in the context of the present invention.
  • other support elements may be used, e.g. Moldings, pins or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Tents Or Canopies (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Laminated Bodies (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Claims (12)

  1. Dispositif pour désassembler une pile (1) d'objets plats et souples, en particulier des produits d'imprimerie, comprenant des éléments d'appui (3, 3', 3") déplacés le long d'une trajectoire périphérique (U, U1, U2) fermée, qui forment un appui de pile (7) dans une première section partielle (A1) de la trajectoire périphérique (U, U1, U2), au moins un organe de séparation (5), qui est en mesure de soulever, de la pile (1) restante, une zone (4a) de l'objet (4) situé au-dessous dans la pile (1), de telle sorte qu'au moins un élément d'appui (3, 3', 3") suivant dans le sens périphérique puisse s'engager entre l'objet (4) soulevé et la pile (1) restante et séparer l'objet (4) de la pile (1) restante lors de son déplacement ultérieur, et un convoyeur à bande (8) disposé au-dessous de l'appui de pile (7), sur la bande transporteuse (9) duquel les objets (4) séparés de la pile (1) sont déposés directement, caractérisé en ce que le convoyeur à bande (8) croise la trajectoire périphérique (U, U1, U2) des éléments d'appui (3, 3', 3") et les éléments d'appui (3, 3', 3") peuvent être basculés ou déplacés de telle sorte que leur position par rapport à la trajectoire périphérique (U, U1, U2) soit modifiable au moins dans la zone de croisement avec le convoyeur à bande (8).
  2. Dispositif selon la revendication 1, caractérisé en ce que les éléments d'appui (3, 3', 3") sont orientés parallèlement au bord avant ou au bord arrière de la pile (1).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les éléments d'appui sont des cylindres (3, 3', 3") pouvant tourner librement autour de leur axe longitudinal.
  4. Dispositif selon la revendication 1, 2 ou 3, caractérisé en ce que les éléments d'appui (3, 3', 3'') sont basculés ou déplacés de telle sorte que le convoyeur à bande (8) est en mesure de transporter les objets à proximité immédiate dans l'espace de la trajectoire périphérique (U, U1, U2) en dehors de la zone délimitée par la trajectoire périphérique, la trajectoire périphérique (U, U1, U2) se situant de préférence dans un plan (E, E1, E2) et le convoyeur à bande (8) étant agencé sensiblement parallèlement à ce plan.
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un certain nombre de premiers éléments d'appui (3') sont déplacés le long d'une première trajectoire périphérique (U1) et un certain nombre de seconds éléments d'appui (3") le long d'une seconde trajectoire périphérique (U2), les première et seconde trajectoires périphériques (U1, U2) étant parallèles entre elles au moins dans la zone de l'appui de pile (7).
  6. Dispositif selon la revendication 5, caractérisé en ce que les premiers et seconds éléments d'appui (3, 3', 3") sont espacés les uns des autres dans la zone de l'appui de pile (7) en formant une fente s'étendant parallèlement aux trajectoires périphériques (U1, U2), l'organe de séparation (5) ayant accès à la pile (1) de préférence dans la zone de cette fente.
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que la distance du premier et du second élément d'appui (3', 3") est agrandie par le basculement ou le déplacement de telle sorte que le convoyeur à bande (8) peut être guidé sans obstruction mécanique par les éléments d'appui entre la première et la seconde trajectoire périphérique (U1, U2) hors de la zone délimitée par les trajectoires périphériques (U1, U2).
  8. Dispositif selon l'une quelconque des revendications 5 à 7, caractérisé en ce que la distance de la première et de la seconde trajectoire périphérique (U1, U2) est variable dans la zone de l'appui de pile (7) pour l'adaptation de la largeur de l'appui de pile (7) à la largeur de pile.
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le déplacement de l'organe de séparation (5) est synchronisé de telle sorte qu'il agisse sur l'objet (4) situé au-dessous entre deux éléments d'appui (3, 3', 3") se succédant dans le sens périphérique.
  10. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments d'appui (3, 3', 3") sont orientés dans la première section partielle de la trajectoire périphérique (U, U1, U2) horizontalement et perpendiculairement au plan périphérique et dans une seconde section partielle (A2, A3) de la trajectoire périphérique sensiblement dans le plan périphérique (E, E1, E2) ou en formant un angle faible par rapport à ce plan.
  11. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que des éléments d'appui (3, 3', 3") sont basculés autour d'un axe agencé sensiblement tangentiellement à la trajectoire périphérique (U, U1, U2) dans une orientation sensiblement perpendiculaire à la trajectoire périphérique (U, U1, U2) et sensiblement dans le plan périphérique (E, E1, E2) ou sont basculés autour d'un axe (D) agencé dans le plan périphérique (E, E1, E2) sensiblement perpendiculairement à la trajectoire périphérique (U, U1, U2) dans une orientation sensiblement tangentielle à la trajectoire périphérique (U, U1, U2).
  12. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments d'appui (3, 3', 3") sont fixés sur un organe de transport (12, 12a, 12b) déplacé le long de la trajectoire périphérique (U, U1, U2), en particulier une chaîne ou une roue.
EP02005716A 2001-04-18 2002-03-13 Dispositif pour désassembler une pile d'objets plats et flexibles Expired - Lifetime EP1254855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH7042001 2001-04-18
CH7042001 2001-04-18

Publications (3)

Publication Number Publication Date
EP1254855A2 EP1254855A2 (fr) 2002-11-06
EP1254855A3 EP1254855A3 (fr) 2003-01-29
EP1254855B1 true EP1254855B1 (fr) 2006-01-25

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Application Number Title Priority Date Filing Date
EP02005716A Expired - Lifetime EP1254855B1 (fr) 2001-04-18 2002-03-13 Dispositif pour désassembler une pile d'objets plats et flexibles

Country Status (5)

Country Link
US (1) US6702276B2 (fr)
EP (1) EP1254855B1 (fr)
AT (1) ATE316507T1 (fr)
DE (1) DE50205681D1 (fr)
DK (1) DK1254855T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1943173T3 (da) * 2005-11-01 2011-10-31 Ferag Ag Fremgangsmåde og indretning til omplacering af flade produkter fra en produktstabel til et transportbånd
WO2008000099A1 (fr) * 2006-06-30 2008-01-03 Ferag Ag Dispositif pour séparer différents objets plats d'une pile et pour évacuer les objets séparés
DK2128055T3 (da) 2008-05-26 2013-11-11 Ferag Ag Indretning til adskillelse af individuelle flade, bøjelige genstande fra undersiden af en stabel af sådanne genstande og til borttransport af de adskilte genstande
EP2253566B1 (fr) * 2009-05-22 2013-07-31 Müller Martini Holding AG Dispositif de chargement d'une trajectoire de traitement dotée de produits d'impression
CH706769A1 (de) * 2012-07-27 2014-01-31 Ferag Ag Vorrichtung zum Abtrennen von einzelnen flachen, biegbaren Gegenständen von der Unterseite eines Stapels solcher Gegenstände.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1876606A (en) * 1932-09-13 bushnell
CH598106A5 (fr) 1976-07-29 1978-04-28 Ferag Ag
DE59007686D1 (de) * 1989-09-13 1994-12-15 Ferag Ag Verfahren und Vorrichtung zum Weiterverarbeiten von gestapelten, vorzugsweise gefalteten Druckereierzeugnissen.
US5556254A (en) * 1995-06-07 1996-09-17 Standard Duplicating Machines Corporation Paper set feeding
DE19549675B4 (de) * 1995-07-07 2005-02-17 Windmöller & Hölscher Kg Verfahren zum Vereinzeln gestapelter flacher Schlauchstücke
IT1288191B1 (it) * 1995-07-11 1998-09-11 Windmoeller & Hoelscher Dispositivo per singolarizzare oggetti piatti impilati.
NL1007943C2 (nl) * 1997-12-31 1999-07-01 Hadewe Bv Inrichting en werkwijze voor het van een stapel separeren van vellen.
RU2264970C2 (ru) * 1999-11-02 2005-11-27 Фераг Аг Способ и устройство для транспортировки плоских изделий

Also Published As

Publication number Publication date
EP1254855A2 (fr) 2002-11-06
DE50205681D1 (de) 2006-04-13
US6702276B2 (en) 2004-03-09
US20020153653A1 (en) 2002-10-24
ATE316507T1 (de) 2006-02-15
EP1254855A3 (fr) 2003-01-29
DK1254855T3 (da) 2006-02-20

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