EP1421022A1 - Procede et dispositif de detection d'un enlevement en double - Google Patents

Procede et dispositif de detection d'un enlevement en double

Info

Publication number
EP1421022A1
EP1421022A1 EP02772021A EP02772021A EP1421022A1 EP 1421022 A1 EP1421022 A1 EP 1421022A1 EP 02772021 A EP02772021 A EP 02772021A EP 02772021 A EP02772021 A EP 02772021A EP 1421022 A1 EP1421022 A1 EP 1421022A1
Authority
EP
European Patent Office
Prior art keywords
transport
edges
shipment
transport section
sides
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.)
Granted
Application number
EP02772021A
Other languages
German (de)
English (en)
Other versions
EP1421022B1 (fr
Inventor
Armin Zimmermann
Johnny 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 AG
Original Assignee
Siemens 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 AG filed Critical Siemens AG
Publication of EP1421022A1 publication Critical patent/EP1421022A1/fr
Application granted granted Critical
Publication of EP1421022B1 publication Critical patent/EP1421022B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B65H7/12—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation
    • B65H7/125—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation sensing the double feed or separation without contacting the articles
    • 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
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
    • B65H2301/44316—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material between belts
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/445—Moving, forwarding, guiding material stream of articles separated from each other
    • B65H2301/4451—Moving, forwarding, guiding material stream of articles separated from each other forming a stream or streams of separated articles
    • B65H2301/44514—Separating superposed articles
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4474—Pair of cooperating moving elements as rollers, belts forming nip into which material is transported
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/269—Particular arrangement of belt, or belts other arrangements
    • B65H2404/2691—Arrangement of successive belts forming a transport path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/514—Particular portion of element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/412—Photoelectric detectors in barrier arrangements, i.e. emitter facing a receptor element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/414—Photoelectric detectors involving receptor receiving light reflected by a reflecting surface and emitted by a separate emitter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1916—Envelopes and articles of mail

Definitions

  • the invention relates to a method and an arrangement for detecting double deductions according to the preambles of claims 1 and 6.
  • movable mail items are temporarily deflected perpendicular to the conveyor.
  • the presence of overlapped mail items is then detected by evaluating the quick-response behavior of the mail items (EP 0 650 911 B1). Since there may be a different offset of the overlapped mail items, the deflection must take place both on the front side of the mail item and on the back side of the mail item, which results in increased effort.
  • Another disadvantage is the mechanical stress on the mail items during the deflection.
  • Another shortcoming of this solution is that the offset of the rear edges must not be less than a minimum value (approx. 10 mm).
  • the profile of the shipment height is measured and an overlap is reported in the event of a height jump (DE 196 25 044 AI).
  • the object of the present invention is therefore to create a method and an arrangement for recognizing mail overlaps, with the aid of which the overlaps are recognized independently of the size of the mail items and their position relative to one another.
  • the overlapped mail items are shifted in such a way that the minimum gaps between the mail items required are not undercut.
  • one of the two transport speeds is the nominal speed of the shroud system and the coefficient of friction of the means of transport driven at nominal speed is greater than the coefficient of friction of the means of transport driven at a different speed ,
  • the speed which deviates from the nominal speed is brought back to the nominal speed before the handover. It is possible to determine the leading front edges after the transport section for the shipment shift directly by means of a further light barrier or indirectly from the signals of the light barrier arranged in front of the transport section for the shipment shift using the route clock.
  • the transport section for postponing the mail item in an advantageous embodiment has a controlled, driven, rotating cover tape with its own drive on each side of the mail item, which is separate from the rest of the cover tape system.
  • the length of the shifting shroud area, its distances from the shrouds in and out of the shroud system are so great and the acceleration and braking processes are started and ended in such a way that the overlap corresponds to the length of the shortest shipment and the shipments in length spectrum to be processed are not contained in the infeed and outfeed shrouds during their displacement.
  • control device in such a way that an acceleration phase is only started when the first detected edge after the leading edge has just left the last clamping point of the transport section in the direction of transport for the purpose of shifting the consignment, and that one
  • Braking phase is ended before the rear edge of the shortest shipment to be moved has reached the first clamping point in the transport direction.
  • 1 shows a plan view of a shroud system with a transport section for moving items
  • 2 and 3 show various overlap variants with the specification of which shipment is being moved.
  • the mail items are normally transported one after the other with a feeding part 3 of the shroud system to the transport section for moving the mail items and transported away with a discharging part 4.
  • the deflecting rollers of the shrouds are offset from one another in such a way that the consignments are routed at least on one side almost without interruption and the last clamping points K1, K2 and K3, K4 are as far apart as possible to provide the necessary distances for acceleration or deceleration without the shipments are still clamped in the feeding part 3 of the shroud system.
  • measuring means La3, La4 are accordingly also arranged on both sides of the transport path for detecting edges.
  • the transport section for the shipment movement consists of two endless cover bands, which are driven separately via deflection rollers 1, 2 and which clamp the shipments in transit. Due to the fact that all deflection rollers are staggered, their storage can be rigid even with mail items of different thicknesses without jamming.
  • the beginning and end of the shifting section is defined by the clamping points K2 and K3, ie by the first clamping on the rear incoming deflection roller 2 and the last clamping on the front outgoing deflection roller.
  • the nominal transport speed of the shroud system in the infeed and outfeed parts has the value V0, the shroud with the deflection roller 1 (in the side view the rear shroud) runs at the speed VI and the shroud with the deflection roller 2 at the speed V2.
  • the first leading edge (the front edge of the leading overlapped one) from the light barrier Li, the distance from the first clamping point of which is greater than the longest broadcast Consignment) detected.
  • the measuring devices Lal, La2 for edge detection are located right next to it.
  • FIGS. 2 and 3 show examples of moving, depending on the size and mutual position, of overlapped mail items, no statements being made about the level of the difference in speed from the nominal speed for the sake of clarity.
  • a) shows the special case that two items of the same length overlap without lateral offset.
  • the shift to the front occurs on condition that the gap to the preceding shipment does not fall below the minimum value despite the shift.
  • the differential speed ⁇ V is reduced.
  • FIG 3 shows examples in which the programs from the rear from the viewer are smaller than the front programs and are partially or completely covered by them.
  • the speed V1 V0 is maintained and the speed of the front cover tape V2 is increased depending on the size of the mail items and their position relative to each other, size of the gaps or reduced.
  • the speed V2 is reduced or increased to V0 before the consignment (s) are transferred to the discharging part 4 of the shroud system.
  • the edges are detected again on both sides by means of the measuring means La3, La4 for edge detection and their distances from the previously leading front edge. If there is a deviation from the previous measurement or if an additional edge is recorded, there is an overlap.
  • the position of the originally leading front edge is determined indirectly via the transport speed and the route clock.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Sorting Of Articles (AREA)

Abstract

L'invention concerne un procédé et un dispositif permettant de détecter un chevauchement d'expéditions plates transportées les unes derrière les autres dans un convoyeur de type sandwich. Dès que des bords ont été détectés de chaque côté du chemin de transport, et que les distances entre ces bords et le bord avant de guidage respectif, qui est mesuré au moyen d'une barrière lumineuse, ont été déterminées, différentes vitesses de transport sont conférées aux deux côtés longitudinaux des expéditions, de manière à maintenir les interstices minimums. Puis, les distances séparant lesdits bords du bord avant de guidage sont une nouvelle fois mesurées. Un enlèvement en double est détecté si un changement de distance est mesuré.
EP02772021A 2001-08-30 2002-08-13 Procede et dispositif de detection d'un enlevement en double Expired - Lifetime EP1421022B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10142331 2001-08-30
DE10142331A DE10142331C1 (de) 2001-08-30 2001-08-30 Verfahren und Anordnung zum Erkennen von Überlappungen
PCT/DE2002/002961 WO2003018449A1 (fr) 2001-08-30 2002-08-13 Procede et dispositif de detection d'un enlevement en double

Publications (2)

Publication Number Publication Date
EP1421022A1 true EP1421022A1 (fr) 2004-05-26
EP1421022B1 EP1421022B1 (fr) 2005-01-26

Family

ID=7696996

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02772021A Expired - Lifetime EP1421022B1 (fr) 2001-08-30 2002-08-13 Procede et dispositif de detection d'un enlevement en double

Country Status (4)

Country Link
US (1) US20040195760A1 (fr)
EP (1) EP1421022B1 (fr)
DE (2) DE10142331C1 (fr)
WO (1) WO2003018449A1 (fr)

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Publication number Priority date Publication date Assignee Title
JP4256251B2 (ja) * 2003-12-17 2009-04-22 株式会社東芝 紙葉類方向反転装置、および紙葉類押印装置
DE10361720B3 (de) * 2003-12-30 2005-05-25 Siemens Ag Verfahren und Anordnung zum Erkennen von überlappten flachen Sendungen
US7654521B2 (en) * 2004-04-06 2010-02-02 Eastman Kodak Company Apparatus, method and program product for detecting article multifeed overlap
JP4469671B2 (ja) 2004-07-09 2010-05-26 株式会社東芝 紙葉類取り出し装置
DE102004037422B3 (de) * 2004-07-30 2006-03-09 Siemens Ag Vereinzelungsstrecke für überlappte flache Sendungen in stehender Position
US20080223769A1 (en) * 2007-03-15 2008-09-18 Siemens Aktiengesellschaft Method of singulating articles in a transport system
US20090087014A1 (en) * 2007-10-01 2009-04-02 Lockheed Martin Corporation Skew/doublefeed detection in scanned images
DE102009039067A1 (de) * 2009-08-27 2011-03-10 Siemens Aktiengesellschaft Vorrichtung und Verfahren zum Vereinzeln von flachen Gegenständen mittels zweier seitlich versetzter Vereinzelern
DE102009039062A1 (de) 2009-08-27 2011-03-10 Siemens Aktiengesellschaft Vorrichtung und Verfahren zum Vereinzeln von flachen Gegenständen mittels zweier Vereinzeler und einem Längendetektor
JP5451520B2 (ja) 2010-05-14 2014-03-26 株式会社Ｐｆｕ 重送処理装置、重送処理方法および重送処理プログラム
DE102011004091A1 (de) 2011-02-14 2012-08-16 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Sortieren von flachen Gegenständen mit Lückenver derung
JP5991902B2 (ja) * 2012-11-15 2016-09-14 日立オムロンターミナルソリューションズ株式会社 紙葉類搬送装置、及び紙葉類搬送方法
EP3426416B1 (fr) 2016-04-28 2019-12-25 Tritek Technologies, Inc. Système de séparation de courrier

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Also Published As

Publication number Publication date
WO2003018449A1 (fr) 2003-03-06
DE50202136D1 (de) 2005-03-03
DE10142331C1 (de) 2003-03-27
EP1421022B1 (fr) 2005-01-26
US20040195760A1 (en) 2004-10-07

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