EP1554059B1 - Dispositif d'alimentation precise d'elements de tri plats a un dispositif d'entree destine a un convoyeur de tri - Google Patents

Dispositif d'alimentation precise d'elements de tri plats a un dispositif d'entree destine a un convoyeur de tri Download PDF

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Publication number
EP1554059B1
EP1554059B1 EP03738111A EP03738111A EP1554059B1 EP 1554059 B1 EP1554059 B1 EP 1554059B1 EP 03738111 A EP03738111 A EP 03738111A EP 03738111 A EP03738111 A EP 03738111A EP 1554059 B1 EP1554059 B1 EP 1554059B1
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EP
European Patent Office
Prior art keywords
sorted
sorting
input device
conveyor path
items
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 - Fee Related
Application number
EP03738111A
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German (de)
English (en)
Other versions
EP1554059A1 (fr
Inventor
Beat Fritsche
Thomas Zimmermann
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.)
Siemens Schweiz AG
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Siemens Schweiz AG
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Filing date
Publication date
Application filed by Siemens Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP03738111A priority Critical patent/EP1554059B1/fr
Publication of EP1554059A1 publication Critical patent/EP1554059A1/fr
Application granted granted Critical
Publication of EP1554059B1 publication Critical patent/EP1554059B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C1/00—Measures preceding sorting according to destination
    • B07C1/02—Forming articles into a stream; Arranging articles in a stream, e.g. spacing, orientating
    • B07C1/04—Forming a stream from a bulk; Controlling the stream, e.g. spacing the articles

Definitions

  • the invention relates to a device for accurately feeding flat sorting pieces to an input device for a sorting conveyor.
  • Such a device is commonly used in a sorting conveyor for post automation, such as, for example, in the European patent application EP 827 786 A1 is described.
  • this sorting conveyor has so-called jetties, which einschiessen the flat sorting pieces in pockets of a rotating conveyor. From these pockets, the flat sorting pieces are emptied out of their respective assigned physical target locations and can be subsequently fed to their destination.
  • the invention is therefore based on the object, a device for the positionally accurate feeding of flat sorting pieces to an input device for a Specify sorting conveyor, which makes it possible to supply the above-mentioned particularly problematic sorting pieces sufficiently accurate for further processing in particular.
  • a comparatively stable edge for example, the folded edge
  • the sorting pieces which have a preferred edge, in the deduction unit stackable be deducted and vorvorst lying preferential edge to the conveyor line can be transferred.
  • the trigger unit comprises a drum-like constructed rotatable unit having suction cups and a transport locking element, wherein the suction cups an attack on one of the drum nearest sorting piece is provided and then with the transport locking element an edge, in particular the preferential edge, of the suction cup engaging with the sorting piece is engageable.
  • the suction cups can suck a lowermost in the stack sorting piece near the edge and separated due to the circular path of the drum of the overlying sorting pieces.
  • the negative pressure of the suction cups again degradable and the transport locking element is removable from the edge.
  • the sorting piece is so freely conveyed on the conveyor line, but this does not necessarily mean that the sorting piece is stored in a horizontal position, since the circular movement of the drum-like unit also allows other layers.
  • the predetermined conveying location can be represented by a light barrier associated with the conveying path and / or by a touch sensor associated with the conveying path. Additionally or alternatively, the predetermined conveying location can be represented at the same time or, alternatively, also by the end of the conveying path.
  • FIG. 1 shows a schematic representation of a plan view of a first positioning device 2, with which flat sorting pieces 6 located in a horizontal stack 4 are transferred in a positionally accurate manner to an input device 8 shown in detail.
  • the positionally accurate transfer is so eminently important because the sorting pieces 6 are then rotated in the part of the input device 8 shown here from the horizontal to the vertical position and then injected with a jar not shown here in pockets of a sorting conveyor also not shown here , Because these aforementioned process steps for sorting the sorting pieces 6 take place with a comparatively high sorting speed, it therefore makes sense that the sorting pieces 6 have to be able to be handled very precisely at any time.
  • first positioning device 2 will now be described with reference to Figures 1 and 2 described, whereby this way of working in principle so also for in the FIGS. 3 and 4 shown second positioning device 10 and a in the FIGS. 5 and 6 closer described third positioning device 12 applies.
  • the flat sorting pieces 6 are in the embodiment in the format DIN A4 folded advertising leaflets in which one or more loose slip sheets are inserted.
  • the leaflets are not stapled, but only as a loose-leaf collection interlaid. It is easy to see that such sorting pieces 6 are extremely difficult to handle, because they provide otherwise no attack points for a positionally accurate automated transport with the exception of the folded edge, which is hereinafter referred to as preferred edge 14.
  • sorting pieces 6 are now stored in the stack 4 on a separating drum 16 on a tray 18.
  • the separating stream is a part of a deduction unit 15, which is within the dashed lines in FIG. 2 depreciated for better understanding is shown enlarged.
  • the respectively lowest sorting piece 6a is then actively sucked from below by means of suction cups 20, which are arranged on the rotating separating drum 16, and thus initially deflected out of the stack 4 downwards.
  • the sucked sorting piece 6a is pressed at its preferential edge 14 by means of a lever 22 onto an abutment 24 arranged on the singling drum 16, so that the sucked sorting piece 6a clamped with the lever 22 now follows the circular movement of the singling drum 16.
  • the negative pressure in the suction cups 20 is released again and the lever 22 is pivoted away from the counter bearing 24, so that the sorting piece 6a which has been separated in this way is now transferred to a conveying path 26, which by means of strip-shaped conveyor belts 28 separates the sorting piece 6a promotes to a telescope unit 30.
  • the exception is the process of incorrect deduction of several sorting pieces simultaneously.
  • the lever 22 has not shown means for measuring thickness, for example by means of an inductive sensor. Now, if a multiple deduction actually be detected these sorting pieces not further abandoned on the conveyor line, but discharged into a tray not shown here.
  • the telescopic unit 30 is in below individually to the FIGS. 7 and 8 described. At this point, only so much is said for explanation, that a movable carriage 32 of the telescope unit 30 at the speed of the last arranged in the conveyor section 26 strip-shaped belts 28 'of the conveyor line 26 extends, ie thus performs a Ausschubterrorism when the preferred edge 14 of Sorting piece 6a reaches a photocell 34.
  • the carriage 32 which also has strip-shaped conveyor belt systems 38, puts back a defined feed distance and places when retracting, ie at the completion of the backward insertion movement, the sorting piece 6a on a conveyor belt 36 of the input device 8, from where it then is transported in the direction perpendicular to the previous conveying direction in the input device 8 and rotated in the vertical direction.
  • a rolling element 42 is additionally provided, which always presses on the conveyor belt 36 when just the sorting piece 6a is stored, which contributes to the further preservation of the exact storage location for the sorting piece 6a.
  • the third positioning device 12 which is slightly modified compared to the first and the second positioning device 2 or 10, can be left according to FIGS FIGS. 5 and 6 clearly recognize that the sorting piece 6a is passed here in a direction perpendicular to the carriage 32 of the telescope unit 30.
  • this embodiment makes it possible to simplify the input device 8 in such a way that the conveying section for rotating the sorting pieces 6a from the horizontal to the vertical position has become obsolete.
  • the leadership and the achievement of the feed by the ejection movement of the carriage 32 changes in this variant, in principle, nothing compared to the preceding two variants.
  • the telescope unit 30 comprises a plurality of conveyor belt systems 38, each of which constitutes a conveyor belt strip. Based on one of these conveyor belt systems 38, the operation will be explained below.
  • Each conveyor belt system 38 has two pairs of rollers 48, 50 coupled by a closed band 38 ', each having two rollers 48a, 48b, 50a, and 50b.
  • the relative position of the two rollers 48a and 48b or 50a and 50b within a roller pair 48, 50 fixed to each other.
  • the pair of rollers 48 is fixedly disposed on the telescopic unit 30 and the other pair of rollers 50 is fixed to the carriage 32, which performs the Ausschubterrorism in the direction of arrow 52 and the insertion movement in the direction of arrow 54.
  • the rollers 48b and 50b each have a freewheel, wherein the roller 48b are locked counterclockwise and the roller 50b in the clockwise direction.
  • this configuration is different in the insertion movement, in which the belt 38 'rolls only on the carriage 32 mounted on the rollers 50a and 50b, the roller 50a in a clockwise direction and the roller 50b run counterclockwise.
  • the sorting piece 6a does not "feel" the insertion movement at all, but retains its with the Discharge movement achieves end position as desired.
  • the preferred edge 14 of the sorting piece 6a thus always comes exactly to the desired location on the input device 8 to lie.
  • a spring plate 58 mounted with rollers 56 is provided, which easily presses the sorting piece 6a on the adhesive conveyor belt 38 'during the ejection movement and rolls back on the sorting piece 6a - without friction with the sorting piece 6a - during the insertion movement.
  • the conveyor belt 38 ' is a little below the conveyor belt 28', which can still be regarded as belonging to the conveyor line 26, is arranged so that even when entering carriage 32 already above a new sorting piece 6a to the Light barrier 34 can be brought.
  • This area can therefore be regarded as a type of transfer zone for the transition from the conveyor line 26 to the telescope unit 30.
  • FIG. 9 shows a schematic representation of a side view of a fourth positioning device 60, which is based on the third positioning device 12, but instead of a telescope unit 30 with a vertical transfer device 62 is executed.
  • This fourth positioning device 60 is distinguished by the fact that a section 26 'of the conveying path 26 immediately preceding the predetermined conveying location is oriented substantially vertically, this section 26' of the conveying path 26 comprising a pair of belts 64, 66 serving for guiding the sorting section 6a wherein the one band 64 of the pair of bands 64, 66 is guided circumferentially on two rollers 68, 70 and can be lifted off from the other band 66 of the band pair 64, 66 for a predeterminable time.
  • the inventive predetermined feed of the sorting piece 6a is realized in the context of a free fall piece, which ends with the impingement of the sorting piece 6a on the input device 8.
  • the sorting piece 6a as desired directly with the preferred edge 14 on the input device 8 and can be injected into the sorting conveyor.
  • this positioning device 60 is characterized on the one hand by their small footprint and on the other by the fact that in particular sorting pieces 6a, in which over the edge outstanding loose leaves are inserted, can be reliably supplied without the inserted sheets are lost or can lead to material jams and the like disturbances.
  • a sensor which is arranged only slightly downwards from the roller 70, detects the exit of the sorting piece 6a with a correspondingly predetermined length from the band pair 64, 66 and thus triggers the lifting off of the band 64 by suitable control means 72 ,
  • the duration of this lifting is chosen so that the duration of the lift-off process is adapted to the cycle time of the sorting piece supply and to the length of the sorting piece 6a.
  • an inlet side dovetail-like widened fall channel 74 is provided, which opens into the input device 8.
  • the capacity of all shown positioning devices 2, 10, 12 and 60 can be increased by a switch is installed in each case before the sections to achieve the predetermined feed in the conveying path 26, the current generated by the singling drum 16 of the separated sorting pieces 6a on different feed paths, which means that, for example, two telescopic units 30 or two vertical transfer devices 62 side by side operated in parallel.
  • a third or fourth, etc. parallel operation is conceivable.
  • the speed of the singling device whose proper function of an upwardly more or less unlimited capacity sets reasonable system-related limits, should ultimately be limited.

Landscapes

  • Sorting Of Articles (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Abstract

L'invention vise à mettre en oeuvre un dispositif d'alimentation précise d'éléments de tri plats à un dispositif d'entrée destiné à un convoyeur de tri, permettant d'alimenter de façon suffisamment précise pour le traitement ultérieur, des éléments de tri problématiques tels que par ex. des envois postaux. A cet effet, une unité de retrait (15) séparant périodiquement les éléments de tri plats (6) alimente les éléments de tri plats (6a) de façon individuelle à une bande convoyeuse (26), et une unité d'alimentation (30) transfère les éléments de tri plats individuels (6a) au dispositif d'entrée (8) au moyen d'un mouvement d'avancement défini, lorsque ceux-ci ont atteint une position précise de la bande convoyeuse (26). De cette manière, un élément de tri est disposé dans une position finale précise dans le dispositif d'entrée à l'aide du mouvement d'avancement défini, de manière que le traitement ultérieur, notamment le positionnement à la verticale de l'élément de tri, peut être réalisé de façon sûre et automatique. Par ailleurs, ledit dispositif d'alimentation fonctionne indépendamment du format ou de la nature de l'élément de tri étant donné qu'une translation ciblée de l'élément de tri, de l'ordre du mouvement d'avancement défini, est réalisée lorsque l'élément de tri parvient à la zone de convoyage prédéfinie.

Claims (9)

  1. Dispositif (2, 10, 12) pour amener en position précise des articles plats à trier (6, 6a) à un dispositif d'entrée (8) pour un convoyeur de tri, dans lequel une unité de prélèvement (15) séparant individuellement, de manière périodique, les articles plats à trier (6), charge les articles plats à trier (6) sous forme individuelle séparée sur une voie de transport (26), et dans lequel une unité d'amenée (30) transfère avec une avance définie les articles à trier séparés (6a) au dispositif d'entrée (8), après que ces articles à trier séparés (6a) ont atteints un lieu de transport prédéterminé de la voie de transport (26), dans lequel :
    a) un tronçon (26') de la voie de transport (26), qui précède directement le lieu de transport prédéterminé, est orienté sensiblement verticalement,
    b) ce tronçon (26') de la voie de transport (26) comprend une paire de bandes (64, 66) servant à un guidage de l'article à trier (6a), et
    c) une bande (64) de la paire de bandes (64, 66) est guidée en révolution sur deux rouleaux (68, 70), et peut être éloignée, pour un temps prédéterminé, de l'autre bande (66) de la paire de bandes (64, 66).
  2. Dispositif selon la revendication 1, caractérisé en ce que la sortie de l'article à trier (6, 6a) d'une longueur pouvant être prédéterminée, hors de la paire de bandes (64, 66), constitue le facteur déclencheur pour l'éloignement de ladite une bande (64) des deux bandes de la paire de bandes (64, 66).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la durée de la phase d'éloignement est adaptée à un temps de cycle de l'amenée des articles à trier.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que, considéré dans le sens de transport, il est prévu, après la paire de bandes, un canal de chute (74), évasé à la manière d'une queue d'aronde et débouchant dans le dispositif d'entrée (8).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que les articles à trier (6, 6a) présentent un bord préférentiel (14), et les articles à trier (6, 6a) peuvent être déposés en pile dans l'unité de prélèvement (15) et être transférés, en ayant le bord préférentiel (14) en avant, à la voie de transport (26).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que l'unité de prélèvement (15) comprend une unité (16) rotative conçue à la manière d'un tambour, qui dispose de ventouses d'aspiration (20) et d'un élément de sécurisation de transport (22), les ventouses d'aspiration (20) s'appliquant contre un article à trier (6a) situé le plus près du tambour (16), et un bord, notamment le bord préférentiel (14) de l'article à trier (6a) en prise avec les ventouses d'aspiration (20), pouvant ensuite être amené en prise avec l'élément de sécurisation de transport (22).
  7. Dispositif selon la revendication 6, caractérisé en ce que, pour déposer l'article à trier (6a) sur la voie de transport (26), après un parcours angulaire de rotation pouvant être respectivement prédéterminé, la dépression peut à nouveau être supprimée et l'élément de sécurisation de transport (22) peut à nouveau être éloigné du bord.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le lieu de transport prédéterminé est représenté par une cellule photoélectrique (34) associée à la voie de transport (26) et/ou par un détecteur de contact associé à la voie de transport (26).
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que le lieu de transport prédéterminé est représenté par la fin de la voie de transport (26).
EP03738111A 2002-10-23 2003-07-03 Dispositif d'alimentation precise d'elements de tri plats a un dispositif d'entree destine a un convoyeur de tri Expired - Fee Related EP1554059B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03738111A EP1554059B1 (fr) 2002-10-23 2003-07-03 Dispositif d'alimentation precise d'elements de tri plats a un dispositif d'entree destine a un convoyeur de tri

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02023579 2002-10-23
EP02023579 2002-10-23
EP03738111A EP1554059B1 (fr) 2002-10-23 2003-07-03 Dispositif d'alimentation precise d'elements de tri plats a un dispositif d'entree destine a un convoyeur de tri
PCT/EP2003/007082 WO2004037449A1 (fr) 2002-10-23 2003-07-03 Dispositif d'alimentation precise d'elements de tri plats a un dispositif d'entree destine a un convoyeur de tri

Publications (2)

Publication Number Publication Date
EP1554059A1 EP1554059A1 (fr) 2005-07-20
EP1554059B1 true EP1554059B1 (fr) 2009-03-11

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EP03738111A Expired - Fee Related EP1554059B1 (fr) 2002-10-23 2003-07-03 Dispositif d'alimentation precise d'elements de tri plats a un dispositif d'entree destine a un convoyeur de tri

Country Status (4)

Country Link
EP (1) EP1554059B1 (fr)
JP (1) JP4092336B2 (fr)
DE (1) DE50311289D1 (fr)
WO (1) WO2004037449A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4469671B2 (ja) 2004-07-09 2010-05-26 株式会社東芝 紙葉類取り出し装置
ATE543581T1 (de) * 2008-09-18 2012-02-15 Selex Elsag Spa System zur sortierung und sequenzierung von postgut

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63307021A (ja) * 1987-05-28 1988-12-14 Akashi Eng Kk 冊子の折込み帯封装置
CH688711A5 (de) * 1994-08-02 1998-01-30 Grapha Holding Ag Vorrichtung zum Beschicken der Behälter eines Verteilförderers.
US5860504A (en) * 1994-11-16 1999-01-19 Lockheed Martin Corporation Transfer buffer and inserter and method
DE19545057C1 (de) * 1995-12-02 1996-08-29 Licentia Gmbh Verfahren zum Zuführen von flachen Sendungen zur Saugvereinzelung einer Stoffeingabe
JP2000061405A (ja) * 1998-08-17 2000-02-29 Dainippon Printing Co Ltd 郵便物の区分け装置及び郵便物の区分け方法

Also Published As

Publication number Publication date
DE50311289D1 (de) 2009-04-23
JP2006502935A (ja) 2006-01-26
JP4092336B2 (ja) 2008-05-28
WO2004037449A1 (fr) 2004-05-06
EP1554059A1 (fr) 2005-07-20

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