EP1531948B1 - Dispositif d'amenee en position precise d'objets a trier plats vers un dispositif d'introduction d'un convoyeur de triage - Google Patents

Dispositif d'amenee en position precise d'objets a trier plats vers un dispositif d'introduction d'un convoyeur de triage Download PDF

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Publication number
EP1531948B1
EP1531948B1 EP03790775A EP03790775A EP1531948B1 EP 1531948 B1 EP1531948 B1 EP 1531948B1 EP 03790775 A EP03790775 A EP 03790775A EP 03790775 A EP03790775 A EP 03790775A EP 1531948 B1 EP1531948 B1 EP 1531948B1
Authority
EP
European Patent Office
Prior art keywords
sorted
slide
sorting
conveying
item
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
EP03790775A
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German (de)
English (en)
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EP1531948A1 (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
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 Siemens Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP03790775A priority Critical patent/EP1531948B1/fr
Publication of EP1531948A1 publication Critical patent/EP1531948A1/fr
Application granted granted Critical
Publication of EP1531948B1 publication Critical patent/EP1531948B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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 the positionally accurate feeding of flat sorting pieces to an input device for a sorting conveyor, such as from US-A-5,860,504 known.
  • 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 of specifying a device for the positionally accurate feeding of flat sorting pieces to an input device for a sorting conveyor, which makes it possible to supply the above-mentioned particularly problematic sorting pieces sufficiently accurately 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 in a sorting piece located at the bottom in the stack near the edge and, due to the circular path of the drum, from the overlying sorting pieces separate.
  • the transport securing element controlled by the circular movement for example a lever pressing the sorting piece with the edge against an abutment, grips the sorting piece, which is now pulled out of the stack and conveyed on the circular path to a suitable position.
  • 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 location may be represented at the same time or alternatively by the end of the conveyor line.
  • a mechanically particularly reliable operable and simply constructed feeding arises when the feeder unit comprises a telescopic unit with a movable carriage, the carriage extends to reach the sorting piece at the predetermined location, and wherein the defined feed corresponds to the predetermined Ausfahrweg.
  • the extension and also the subsequent retraction can be electromotively, but for example pneumatically activated. According to the control of these activation elements, therefore, the Auszugweg can be changed within appropriate limits, so that the Auszugweg can be quite shorter than the length of the available extract means, such as a pull-out rail.
  • the slide of the telescope unit is set so that it has returned to its rest position before the sorting piece just ejected following sorting piece reaches the specified location. It should be noted here that the next sorting piece can already be transported over the returning carriage of the telescope unit to the predetermined location. The only important thing is that the carriage has returned to its rest position at least at the time when the sorting piece has reached the predetermined conveying point and thus the imple- mentation of the sorting piece on the carriage is imminent.
  • the telescopic unit of the carriage of the telescopic unit may have a revolving conveyor belt, which is not driven in the ejection movement and driven in the insertion movement.
  • a suitable drive of the conveyor belt the depositing / transfer of the sorting piece on / to the input device.
  • both the conveying path can comprise strip-shaped spaced conveyor belts, at least in the region of the rest position of the carriage of the telescope unit and the carriage, whereby the strip-shaped conveyor belts of the conveying path and of the telescopic extension are arranged alternately. In this way, so to speak, a kind of transfer zone is created, which is at the same time (end) part of the conveyor line and the carriage.
  • the plane of the strip-shaped bands of the carriage which serves as a support for the sorting, may be arranged slightly lower than the plane of the strip-shaped bands of the conveyor line in which the Sortier choir is promoted. Only with the ejection of the carriage and the further transport of the sorting piece on the end of the conveyor line out then takes the slide sliding the sorting piece. In this case, this acquisition can be significantly supported by the or the bands of the carriage have an adhesive surface.
  • the sorting pieces may also be suitably held on the carriage, though not in the strict sense.
  • the sorting pieces can be brought into engagement with a roll-mounted spring element until it reaches the predetermined conveying location, which presses the sorting piece onto the strip (s) of the carriage (lightly).
  • Another feature that supports the transfer from the conveying path to the carriage can be achieved if the slide of the telescope unit is adjusted such that the carriage, when transferring the sorting piece from the conveying path to the carriage, at least approximately conveys the speed of the transport path Sorting piece has.
  • the slide of the telescope unit is adjusted such that the carriage, when transferring the sorting piece from the conveying path to the carriage, at least approximately conveys the speed of the transport path Sorting piece has.
  • a very differently to the above-described solutions to the problem solution provides an embodiment of the feed unit with a disc-like, rotating, non-rotationally symmetrical conveying element, which attacks with its achsferneren areas on the sorting pieces that have reached the predetermined location, and in this way the Feed to the input device causes until the achs legislativeren areas lose the attack on the sorting piece.
  • the sorting pieces are drawn along by the conveying element as long as the regions remote from the axis engage the sorting piece, so that a defined feed can also be achieved in this way.
  • a height adjustment may be provided for the conveying element, so that as a result differently sized sorting pieces nevertheless remain in engagement with the conveying element for the same length of time.
  • a swash plate can also be provided in the same manner, which, due to its imbalance, also only engages the sorting piece per revolution for a certain period of time and thus ensures a defined feed of the sorting piece.
  • FIG. 1 shows a schematic representation of a plan view of a first positioning device 2, with which flat located in a horizontal stack 4 sorting pieces 6 at a partially shown input device 8 are transferred positionally accurate.
  • 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 prospectus are not stapled, but only as Loseblattsammlung intertwined. 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 discontinued for better understanding enlarged is shown.
  • 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 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. In principle, however, nothing changes with respect to the guidance and the achievement of the feed by the ejection movement of the carriage 32 in this variant as 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 is the Ausschubterrorism in the direction of an arrow 52 and the insertion movement in the direction of an arrow 54 completes.
  • 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 it at all during the insertion movement, but retains its end position achieved with the ejection movement 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.
  • 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.

Abstract

L'objectif de l'invention est de créer un dispositif d'amenée en position précise d'objets à trier plats vers un dispositif d'introduction d'un convoyeur de triage, ce dispositif devant permettre en particulier également l'amenée d'objets à trier problématiques, par exemple des envois postaux sans adresse, de façon suffisamment précise pour leur traitement ultérieur. Cet objectif est, selon l'invention, atteint par le fait qu'une unité de retrait (15), qui individualise périodiquement les objets à trier plats (6) dépose ces objets (6a), après leur individualisation, sur une piste de transport (26) et qu'une unité d'amenée (30) transfère lesdits objets à trier (6a), une fois qu'ils ont atteint un emplacement prédéterminé de la piste de transport (26), au dispositif d'introduction (8), avec une avance définie. De cette façon, il est garanti qu'en raison de cette avance ciblée, un objet à trier est mis dans le dispositif d'introduction dans une position finale définie, de sorte qu'un traitement ultérieur de l'objet à trier, en particulier sa mise en position verticale, peut être effectué de façon sure et automatisée. Le format et la structure de l'objet à trier n'ont plus d'importance car au moment de l'arrivée de l'objet à l'emplacement de transport prédéterminé est effectuée une translation ciblée dudit objet correspondant exactement à l'avance préréglée.

Claims (12)

  1. Dispositif (2, 10, 12 ) d'amenée en position précise d'objets à trier plats ( 6, 6a ) à un dispositif d'introduction (8) d'un convoyeur de triage, comprenant une unité de retrait (15) séparant périodiquement les objets à trier plats ( 6 ), qui met les objets à trier plats (6) sous forme séparée sur une voie de convoyage ( 26 ), et comprenant une unité d'amenée (30) qui fait passer les objets à trier séparés ( 6a ), une fois que ces objets à trier ( 6a ) ont atteint un lieu de convoyage prédéterminé sur la voie de convoyage ( 26 ), par une avance définie du dispositif d'introduction ( 8 ), l'unité d'amenée comprenant une unité télescopique ( 30 ) ayant un chariot mobile (32) qui sort lorsque les objets à trier ( 6a ) ont atteint le lieu de convoyage prédéterminé, l'avance définie correspondant à la course de sortie prédéterminée.
  2. Dispositif ( 2, 10, 12 ) selon la revendication 1, caractérisé en ce que le lieu de convoyage prédéterminé est représenté par une cellule relais photoélectrique ( 34 ) associée à la voie de convoyage ( 26 ) et/ou par un capteur de contact associé à la voie de convoyage (26).
  3. Dispositif ( 2, 10, 12 ) selon la revendication 1 ou 2, caractérisé en ce que le lieu de convoyage prédéterminé est représenté par la fin de la voie de convoyage ( 26 ).
  4. Dispositif ( 2, 10, 12 ) selon l'une des revendications 1 à 3, caractérisé en ce que le chariot (32) de l'unité télescopique ( 30 ) est réglé de telle sorte qu'il est ramené dans sa position de repos avant que l'objet à trier ( 6a ) suivant l'objet à trier (6a) déjà sorti ait atteint le lieu de convoyage prédéterminé.
  5. Dispositif ( 2, 10, 12 ) selon l'une des revendications 1 à 4, caractérisé en ce que le chariot (32) de l'unité télescopique ( 30 ) dispose d'une bande de transport sans fin qui, lors du mouvement de sortie, n'est pas entraînée et lors du mouvement de rentrée, est entraînée.
  6. Dispositif (2, 10, 12 ) selon la revendication 5, caractérisé en ce qu'un élément d'entraînement de la bande de transport du chariot est couplé au mouvement du chariot, en prévoyant, pour le mouvement de sortie, une roue libre et pour le mouvement de rentrée, la vitesse de la bande de transport est au moins pour l'essentiel adaptée en valeur absolue à la vitesse du mouvement de rentrée, mais a un signe opposé.
  7. Dispositif ( 2, 10, 12 ) selon la revendication 1, caractérisé en ce que l'unité télescopique ( 30 ) comprend au moins un système (38) constitué de deux paires de galets ( 48, 50 ) couplées par une bande sans fin ( 38' ) , qui a les caractéristiques suivantes :
    a ) la position relative des deux galets ( 48a, 48b ou 50a, 50b ) à l'intérieur d'une paire de galets ( 48, 50 ) l'un par rapport à l'autre est fixe ;
    b ) une paire de galets ( 48 ) est disposée à poste fixe et l'autre paire de galets (50) est fixée au chariot ( 32) qui accomplit le mouvement de sortie et de rentrée ;
    c ) chaque paire de galets ( 48, 50) comprend au moins un galet ( 48b, 50b ) équipé d'une roue libre, de sorte que
    c1 ) lors de la sortie du chariot ( 32 ), la bande ( 38' ) ne roule que sur les galets ( 48a, 48b ) de la paire de galets fixe ( 48 ), et
    c2 ) lors de la rentrée du chariot ( 32 ), la bande ( 38' ) ne roule que sur les galets (50a, 50b ) fixés au chariot ( 32 ).
  8. Dispositif (2, 10, 12 ) selon l'une des revendications 1 à 7, caractérisé en ce que la voie de convoyage ( 26 ), au moins dans la zone de la position de repos du chariot ( 32 ) de l'unité télescopique ( 30 ), ainsi que le chariot ( 32 ), comprennent des bandes convoyeuses ( 38 ) écartées les unes des autres, et en forme de rubans, les bandes convoyeuses ( 28' ) en forme de rubans de la voie de convoyage ( 26 ) et de l'unité télescopique ( 30 ) étant disposées de façon alternée.
  9. Dispositif ( 2, 10, 12 ) selon la revendication 8, caractérisé en ce que le plan des bandes ( 38') en forme de ruban du chariot ( 32 ), servant d'appui pour l'objet à trier ( 6a ), est légèrement plus en profondeur que le plan des bandes ( 28' ) en forme de ruban de la voie de convoyage ( 26 ) dans laquelle est amené l'objet à trier ( 6a ).
  10. Dispositif (2, 10, 12) selon l'une des revendications 1 à 9, caractérisé en ce que la ou les bandes (38') du chariot (32) ont une surface adhésive.
  11. Dispositif ( 2, 10, 12) selon l'une des revendications 1 à 10, caractérisé en ce que les objets à trier ( 6a ), jusqu'à ce qu'ils atteignent le lieu de convoyage prédéterminé, peuvent être amenés en prise avec un élément de ressort ( 56 ) monté sur galet, qui pousse l'objet à trier ( 6a ) sur la ou les bandes ( 38' ) du chariot ( 32 ).
  12. Dispositif ( 2, 10, 12 ) selon l'une des revendications 1 à 11, caractérisé en ce que le chariot ( 32 ) de l'unité télescopique ( 30 ) est réglé de telle sorte que le chariot ( 32 ), lors du passage de l'objet à trier ( 6a ) de la voie de convoyage ( 26 ) au chariot ( 26 ), a au moins approximativement la vitesse de l'objet à trier (6a) transporté sur la voie de convoyage ( 26 ).
EP03790775A 2002-08-30 2003-06-12 Dispositif d'amenee en position precise d'objets a trier plats vers un dispositif d'introduction d'un convoyeur de triage Expired - Fee Related EP1531948B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03790775A EP1531948B1 (fr) 2002-08-30 2003-06-12 Dispositif d'amenee en position precise d'objets a trier plats vers un dispositif d'introduction d'un convoyeur de triage

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02019419 2002-08-30
EP02019419A EP1393822A1 (fr) 2002-08-30 2002-08-30 Dispositif pour amener avec un positionnement précis des objets plats à trier vers un dispositif de chargement d'un conveyeur de tri
PCT/EP2003/006179 WO2004020114A1 (fr) 2002-08-30 2003-06-12 Dispositif d'amenee en position precise d'objets a trier plats vers un dispositif d'introduction d'un convoyeur de triage
EP03790775A EP1531948B1 (fr) 2002-08-30 2003-06-12 Dispositif d'amenee en position precise d'objets a trier plats vers un dispositif d'introduction d'un convoyeur de triage

Publications (2)

Publication Number Publication Date
EP1531948A1 EP1531948A1 (fr) 2005-05-25
EP1531948B1 true EP1531948B1 (fr) 2008-09-10

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP02019419A Withdrawn EP1393822A1 (fr) 2002-08-30 2002-08-30 Dispositif pour amener avec un positionnement précis des objets plats à trier vers un dispositif de chargement d'un conveyeur de tri
EP03790775A Expired - Fee Related EP1531948B1 (fr) 2002-08-30 2003-06-12 Dispositif d'amenee en position precise d'objets a trier plats vers un dispositif d'introduction d'un convoyeur de triage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02019419A Withdrawn EP1393822A1 (fr) 2002-08-30 2002-08-30 Dispositif pour amener avec un positionnement précis des objets plats à trier vers un dispositif de chargement d'un conveyeur de tri

Country Status (5)

Country Link
EP (2) EP1393822A1 (fr)
CN (1) CN1678411B (fr)
AU (1) AU2003246418A1 (fr)
DE (1) DE50310478D1 (fr)
WO (1) WO2004020114A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2984774B1 (fr) 2011-12-23 2014-02-14 Solystic Machine de tri d'objets plats presentant des caracteristiques physiques heterogenes, et procede de tri de ces objets plats

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ATE215850T1 (de) * 1996-09-09 2002-04-15 Siemens Ag Verfahren und einrichtung zum steuern einer vorrichtung zum verteilen von sortiergutstücken auf physikalische zielstellen
EP0899026B1 (fr) * 1997-09-01 2002-03-20 Siemens Aktiengesellschaft Dispositif de tri, respectivement d'accumulation sélective d'objets plats délivrés individuellement par un convoyeur
FR2796318B1 (fr) * 1999-07-15 2001-09-07 Mannesmann Dematic Postal Automation Sa Dispositif a plusieurs convoyeurs a godets superposes pour le tri d'objets plats

Also Published As

Publication number Publication date
AU2003246418A1 (en) 2004-03-19
CN1678411A (zh) 2005-10-05
WO2004020114A1 (fr) 2004-03-11
EP1531948A1 (fr) 2005-05-25
CN1678411B (zh) 2010-06-16
DE50310478D1 (de) 2008-10-23
EP1393822A1 (fr) 2004-03-03

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