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EP0519375B1 - Verfahren zum Laden einer Maschine zum Sortieren von flachen Gegenständen wie Poststücke - Google Patents

Verfahren zum Laden einer Maschine zum Sortieren von flachen Gegenständen wie Poststücke Download PDF

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Publication number
EP0519375B1
EP0519375B1 EP92110059A EP92110059A EP0519375B1 EP 0519375 B1 EP0519375 B1 EP 0519375B1 EP 92110059 A EP92110059 A EP 92110059A EP 92110059 A EP92110059 A EP 92110059A EP 0519375 B1 EP0519375 B1 EP 0519375B1
Authority
EP
European Patent Office
Prior art keywords
module
objects
conveyor
support surface
stop
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
EP92110059A
Other languages
English (en)
French (fr)
Other versions
EP0519375A1 (de
Inventor
Christian Plent
Christian Laumond
Bernard Constant
Michel Divoux
Pierre Campagnolle
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.)
Solystic SAS
Original Assignee
Compagnie Generale dAutomatisme CGA HBS SA
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 Compagnie Generale dAutomatisme CGA HBS SA filed Critical Compagnie Generale dAutomatisme CGA HBS SA
Publication of EP0519375A1 publication Critical patent/EP0519375A1/de
Application granted granted Critical
Publication of EP0519375B1 publication Critical patent/EP0519375B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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 present invention relates to a device for loading a machine for sorting flat objects comprising at least one antenna for inputting objects one by one and a number of buckets where the objects are loaded vertically to be transported and unloaded in outlet containers, the loading device for conveying objects one by one from the input antenna to a vertical bucket and comprising a conveyor substantially perpendicular to the trajectory of the buckets and associated with a vertical transfer device towards the down objects in a bucket.
  • the invention provides a more efficient loading device, which allows a particularly high rate while being simple, compact and suitable for a wide spectrum of mail.
  • This loading device is in particular intended to equip a sorting machine comprising a carousel, supplied by several input antennas, serving up to 180 sorting directions and capable of a minimum throughput of six objects per second.
  • a sorting machine comprising a carousel, supplied by several input antennas, serving up to 180 sorting directions and capable of a minimum throughput of six objects per second.
  • objects are transported in buckets in a direction normal to their surface.
  • the pitch between buckets of the carousel being approximately 90 mm, the flow of objects is obtained with a minimum transfer speed of 0.54 m / s.
  • the maximum number of input antennas is such that it remains compatible with the minimum flow of six objects per second. Taking into account the practical flows of which three types of envisaged input antennas are capable (manual presentation and coding: approximately 0.7 object / second, automatic presentation and manual coding: approximately 1.1 object / second, automatic presentation and optical reading: approximately 1.8 objects / second), the antennas can be combined in number and type such that their cumulative flow does not exceed the flow of the conveyor.
  • the surface L x h can vary between 145 mm x 250 mm and 225 mm x 353 mm, the thickness between 0.5 and 20 mm and the mass between 10 g and 500 g.
  • the loading device must be suitable for any condition of this mail, whatever its rigidity or flexibility, regardless of its packaging (rigid cardboard or flexible plastic).
  • the three modules are aligned and include a support surface for the objects inclined relative to the vertical plane.
  • each stop barrier consists of a retractable finger serving as a stop. This finger crosses the bearing surface in the active position and it is secured to a lever pivoting about a horizontal axis. It is activated by an electromagnet.
  • the conveyor and accelerator modules have a support surface perpendicular to the support surface.
  • the support surface and the support surface of the conveyor module are equipped with continuously actuated conveyor belts.
  • the conveyor module is equipped, near each stop barrier, with a pressure roller, free to rotate, mounted at the end of a lever pivoting about an axis perpendicular to the support surface and spring loaded.
  • the accelerator module comprises a transfer means and an acceleration means pivoting from a rest position to an active position where the object is sandwiched between these two means which are actuated in continuous rotation.
  • the transfer means consists of at least one pair of pulleys mounted respectively on two shafts parallel to the bearing surface, at least one endless belt being mounted on these pulleys.
  • the acceleration means consists of at least one endless belt stretched over at least one pair of pulleys mounted on two integral shafts, one of which is pivotable and actuated by an electromagnet.
  • Figure 1 is a front view of the device.
  • Figure 2 is a front view of the conveyor module.
  • FIG. 3 is a sectional view along III - III of FIG. 2.
  • FIG. 4 is a sectional view along IV - IV of FIG. 2.
  • Figure 5 is a front view of the accelerator module.
  • Figure 6 is a sectional view along line VI - VI of Figure .7.
  • Figure 7 is a top view of the accelerator module.
  • Figure 8 is a front view of the injector module.
  • Figure 9 is a top view of the injector module.
  • Figure 10 is a side view of the injector module.
  • Figure 11 is a schematic top view of the device installed in a sorting machine.
  • the loading device is made up of a conveyor module 100, an accelerator module 200 and an injector module 300 aligned.
  • All of these modules have a bearing surface 2 inclined with respect to a vertical plane (approximately 20 °) and the conveyor and accelerator modules have a support surface 3 perpendicular to the support surface 2.
  • the objects are therefore arranged with their longest edge placed on the surface support 3 and their surface supported on the support surface 2.
  • the conveyor module 100 is equipped with three barrier barriers BA1, BA2 and BA3, while the accelerator module is equipped with a barrier BA4.
  • the conveyor module therefore allows buffer storage of three objects 1. Near each stop barrier, the conveyor module 100 is provided with a pressure roller 110.
  • the conveyor module 100 is provided with two conveyor belts 102, 103 on its support surface 2 and a conveyor belt 104 on its support surface 3. Upstream of each barrier and between the conveyor belts 102, 103 flexible blades 105 are arranged which reduce the contact force of the fold on the strips 102, 103 when the barriers BA1, BA2, BA3 are closed.
  • the accelerator module is provided with a transfer means and an acceleration means 210, 220.
  • the injector module is provided with a downward transfer means (not visible), a pressure means 320 and a retractable shutter 330.
  • the positive drive members that are the strips 102, 103, 104, the transfer means 210 and acceleration 220 and the transfer means downwards from the injector module are actuated continuously.
  • the movement of the objects 1 is managed by the stop barriers BA1 to BA4 thanks to detectors placed on the trajectory of the objects 1 as will be seen more precisely below.
  • the conveyor module will now be described more precisely with reference to FIGS. 2, 3 and 4.
  • Each pressure roller 110 is free to rotate about an axis 111 perpendicular to the support surface 3 and mounted on an arm 112 pivoting around an axis 113 secured to a fixed support piece 114. Springs 115 urge the lever so that the roller 110 is pressing against the bearing surface 2.
  • the support piece 114 also carries a photoelectric emitting cell C1 not shown on FIG. 4 associated with a receiver 155 fixed on the support surface 2.
  • the front edge of the conveyor belt 104 is covered with a stop band 116.
  • the BA1 stop barrier is particularly visible in Figure 4.
  • the BA2 and BA3 barriers are identical.
  • the BA1 stop barrier consists of an abutment finger 120 fixed on a lever 121 articulated in pivoting around a horizontal axis 122.
  • the lever 121 is actuated by an electromagnet 123 with single effect, its return being carried out by a spring 124.
  • the stopping barrier BA1 is shown in the retracted position. In the active position, the finger 120 comes to form a stop crossing the orifice 125 and pushes the pressure roller 110 by pivoting the arm 112 around the axis 113.
  • the accelerator module 200 is described below with reference to FIGS. 5, 6 and 7.
  • Figure 5 is a front view where the bearing and support surfaces 2 and 3 have been removed for better visibility.
  • This module 200 comprises a means of tangential transfer to the support surface 2 and an acceleration means supported by the support surface 3.
  • the transfer means consists of two endless belts 201 and 202, tensioned on pulleys 203, 204, 205 and 206, mounted in pairs on two axes 207, 208 parallel to the support surface 2 and perpendicular to the surface of support 3.
  • the axis 208 is driven in continuous rotation by a motor 209 by means of a belt 210.
  • the belts 201 and 202 come to tangent the bearing surface 2 by slots 211, 212.
  • the accelerating means also consists of two endless belts 213, 214 tensioned on pulleys 215, 216, 217 and 218 mounted in pairs on two axes 219, 230 parallel to the support surface 2 and perpendicular to the surface of support 3.
  • the axis 230 is driven in continuous rotation by the motor 209 by means of the belt 210.
  • this same motor 209 can also drive the conveyor belts 102, 103, 104 of the conveyor module 100.
  • the active pulleys 203 to 206 and 215 to 217 are of the same diameter.
  • the drive pulleys 213, 214 are of smaller diameter.
  • the acceleration means is pivoted from a rest position shown in broken lines in FIG. 7 to an active position where it encloses the object which is then accelerated by the cooperation of the belts 201, 202 of the transfer means and belts 213, 214 of the acceleration means, the stop barrier BA4 then being retracted.
  • the axis 219 is secured to the axis 230 by an arm 231.
  • This arm 231 is moreover held by a rod 232 articulated by a rotary articulation 233 and a ball joint 234 connected to an electromagnet 235 which activates the pivoting.
  • the injector module 300 will now be described with reference to FIGS. 8, 9 and 10.
  • This module comprises a means of downward transfer, a pressure means and a retractable shutter forming a support surface perpendicular to the support surface 2.
  • the downward transfer means consists of a roller 301 driven in continuous rotation by a motor 302 by means of a belt 303. This roller 301 is tangent to the bearing surface 2 by an opening 304.
  • the pressure means consists of three rollers 305 mounted free to rotate about a common horizontal axis 306 itself mounted on a frame 307 pivoting about a horizontal axis 308.
  • This frame 307 is actuated by an electromagnet 309 single acting through a double ball joint 310 and returned by a spring 314.
  • the shutter comprises a profile 311 articulated around a horizontal axis 312. In the active position, it extends the support surface 3. This shutter is actuated by an electromagnet 313. In the retracted position, it frees passage downwards for fold 1.
  • the injector module is also provided with a deflector 315 intended to correctly orient the objects having a trajectory. curve. This deflector is retractable and activates, during its movement, a detector which controls the immediate stop of the carousel if an object gets crooked during its descent.
  • FIG. 11 is a schematic top view of the device installed on a loading machine.
  • An input antenna 4 is arranged perpendicular to the carousel of vertical buckets 6, 7. It is connected to the device by an auxiliary conveyor 5 provided with a stop barrier BA0 and a sensor C0, such as a photoelectric cell .
  • Sensors C1 to C3 are also located near the stop barriers BA1 to BA3.
  • Barrier BA0 is normally closed, barriers BA1, BA2, BA3 normally open.
  • this barrier In the presence of a flat object, in particular a mail fold in abutment on the barrier BA0 detected by C0, this barrier is open and the fold is transferred to the accelerator module.
  • Each input antenna must ensure the arrhythmia of the entry of the postal code of the mail when it is carried out by an operator, whether the presentation of the folds is ensured by the operator or by an automatic destacker.
  • This arrhythmia which characterizes the inflow of objects, requires the interposition of means allowing a buffer stock of objects to be produced before transferring them into the carousel animated with a uniform movement.
  • the residual arrhythmia is located at the destacker for which the rate of two objects per second is an average value liable to fluctuate, making it useful to existence of a buffer stock.
  • the period of passage of a bucket under the injector module is T substantially equal to 0.166 seconds. Objects must be transferred to the injector module at a maximum rate compatible with their insertion into the cups. This transfer must therefore take place with a period equal to T or a multiple of T.
  • This 500 ms cycle starts from the instant of the triggering of the command making it possible to create the pulse which will propel the object contained in the accelerator module and ends at the moment when its complete exit from the injector module is detected. We can then authorize the following object to enter the injector module.
  • the transfer and acceleration means of the accelerator module are driven at a speed 1.8 m / s. This speed ensures complete penetration into the injector module, the possible rebounds that can be absorbed, for example, by a shock absorber that the front edge of the object strikes.
  • This time is variable because it depends on the mass of the object: it increases the injection time the more it is higher.
  • the delay taken by a heavy object compared to a light object has the consequence that, for the maximum thickness, the filling of the bucket must take place while the latter is moving about 35 mm or for a period of about 85 ms.
  • the speed of 1.8 m / s communicated by the accelerator module and the speed of 3.8 m / s communicated by the injector module satisfy a cycle of 500 ms.

Landscapes

  • Sorting Of Articles (AREA)
  • Control Of Conveyors (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Claims (14)

  1. Vorrichtung zum Beladen einer Sortiermaschine mit flachen Gegenständen, die mindestens eine Eingangsstation (4) für die zu sortierenden Gegenstände und eine bestimmte Anzahl von Behältern (6, 7) aufweist, in die die Gegenstände senkrecht geladen werden, um zu Ausgangscontainern befördert und in diese entladen zu werden, wobei die Ladevorrichtung die Gegenstände einzeln von der Eingangsstation zu einem senkrechten Behälter befördert und einen Fördermodul aufweist, der im wesentlichen senkrecht zur Bahn der Gegenstände liegt und der einer Vorrichtung zum senkrechten Transport der Gegenstände nach unten in die Behälter zugeordnet ist,
    dadurch gekennzeichnet, daß
    - der Fördermodul (100) mindestens zwei Haltebarrieren (BA1, BA2, BA3) enthält, deren gegenseitiger Abstand größer als die maximale Länge der Gegenstände (1) ist,
    - ein Beschleunigungsmodul (200) zwischen dem Fördermodul (100) und der Vorrichtung zum senkrechten Transfer angeordnet ist und ausgangsseitig eine Haltebarriere (BA4) enthält,
    - die senkrechte Transfervorrichtung aus einem Injektormodul (300) besteht,
       wobei diese Moduln (100, 200, 300) mit Organen für den positiven Antrieb versehen sind, die kontinuierlich betätigt werden und die Haltebarrieren weggeschwenkt werden können und die Verschiebung der Gegenstände mit Hilfe von Detektoren steuern, die entlang der Bahn der Gegenstände angeordnet sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die drei Moduln (100, 200, 300) in Flucht angeordnet sind und eine Auflagefläche (2) für Gegenstände (1) enthalten, die in Bezug auf die senkrechte Ebene geneigt ist.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß jede Haltebarriere aus einem wegschwenkbaren Anschlagstift (120, 220) besteht, der die Auflagefläche (2) in der aktiven Stellung durchdringt und fest mit einem Hebel (121, 221) verbunden ist, der um eine waagrechte Achse (122, 222) schwenkt und durch einen Elektromagneten (123, 223) betätigt wird.
  4. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Fördermodul (100) und der Beschleunigungsmodul (200) eine Stützfläche (3) senkrecht zur Auflagefläche (2) besitzen.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Auflagefläche (2) und die Stützfläche (3) des Fördermoduls (100) mit kontinuierlich laufenden Förderbändern (102, 103, 104) ausgestattet sind.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß der Fördermodul (100) in der Nähe jeder Haltebarriere mit einer frei drehbaren Druckrolle (111) versehen ist, die am Ende eines Hebels (112) montiert ist, der um eine Achse (113) senkrecht zur Stützfläche (3) schwenkt und durch eine Feder (115) beaufschlagt wird.
  7. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß der Beschleunigungsmodul (200) ein Transfermittel und ein Beschleunigungsmittel enthält, das von einer Ruhestellung in eine aktive Stellung schwenkt, in der der Gegenstand (1) zwischen diesen beiden dauernd drehenden Mitteln eingeklemmt wird.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß das Transfermittel aus mindestens einem Paar von Scheiben (203 bis 206) besteht, die auf zwei zur Stützfläche (3) parallelen Wellen (207, 208) montiert sind, wobei mindestens ein Endlos-Förderband (201, 202) auf diese Scheiben montiert ist.
  9. Vorrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß das Beschleunigungsmittel aus mindestens einem Endlos-Förderband (213, 214) besteht, das über mindestens ein Paar von Scheiben (215 bis 218) verläuft, die auf zwei miteinander verbundenen Wellen (219, 230) montiert sind, von denen die eine schwenkbar ist und von einem Elektromagneten (235) betätigt wird.
  10. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß der Injektormodul ein Mittel für den Transfer nach unten tangential zur Auflagefläche (2), ein Druckmittel, das um eine waagrechte Achse schwenkt, und eine schwenkbare Verschlußklappe enthält, die eine Trägerfläche senkrecht zur Auflagefläche (2) bildet.
  11. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß das Mittel zum Transfer nach unten aus einer Rolle (103) besteht, die um eine kontinuierlich angetriebene waagrechte Achse drehen kann.
  12. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß das Druckmittel aus mindestens zwei um eine waagrechte Achse (306) frei drehbaren Rollen (305) besteht, die auf einen Rahmen (307) montiert sind, der um eine waagrechte Achse (308) schwenkt und von einem Elektromagneten (309) betätigt wird.
  13. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, daß die Verschlußklappe (311) um eine waagrechte Achse (312) schwenkt und von einem Elektromagneten betätigt wird.
  14. Verfahren zur Anwendung der Ladevorrichtung nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß lichtelektrische Sensoren entlang der Bahn der Gegenstände angeordnet sind, um deren Verschiebung zu erfassen, und daß:
    - die Haltebarrieren (BA1, BA2, BA3) des Fördermoduls (100) normalerweise sind offen und geschlossen werden, wenn ein Brief (1) ankommt, wenn ein Brief an der folgenden Haltebarriere (BA2, BA3, BA4) anliegt,
    - die Haltebarriere (BA4) des Beschleunigungsmoduls (200) normalerweise geschlossen ist und nach Ankunft eines Briefes geöffnet wird, wenn kein Brief (1) im Injektormodul (300) erfaßt wird.
EP92110059A 1991-06-21 1992-06-15 Verfahren zum Laden einer Maschine zum Sortieren von flachen Gegenständen wie Poststücke Expired - Lifetime EP0519375B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9107658 1991-06-21
FR9107658A FR2677902B1 (fr) 1991-06-21 1991-06-21 Dispositif de chargement pour machine de tri d'objets plats tels que plis de courrier.

Publications (2)

Publication Number Publication Date
EP0519375A1 EP0519375A1 (de) 1992-12-23
EP0519375B1 true EP0519375B1 (de) 1996-04-24

Family

ID=9414138

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92110059A Expired - Lifetime EP0519375B1 (de) 1991-06-21 1992-06-15 Verfahren zum Laden einer Maschine zum Sortieren von flachen Gegenständen wie Poststücke

Country Status (6)

Country Link
US (1) US5249794A (de)
EP (1) EP0519375B1 (de)
JP (1) JPH06104492B2 (de)
CA (1) CA2071685C (de)
DE (1) DE69210105T2 (de)
FR (1) FR2677902B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2714364B1 (fr) * 1993-12-28 1996-02-23 Didier Thieriot Dispositif pour régulariser un flux ou débit d'objets convoyés à plat à cadence élevée. Utilisations et applications dans le domaine du tri postal.
ATE203487T1 (de) * 1994-05-24 2001-08-15 United Parcel Service Inc Vorrichtung zum zuführen und sortieren von gegenständen
CH688711A5 (de) 1994-08-02 1998-01-30 Grapha Holding Ag Vorrichtung zum Beschicken der Behälter eines Verteilförderers.
CH691353A5 (de) * 1995-09-04 2001-07-13 Siemens Ag Beschickungsvorrichtung für Versandstücke.
CA2361969A1 (en) 2001-11-14 2003-05-14 Omron Canada Inc. A method and system for double feed detection in a letter sorting apparatus
EP3453648B1 (de) * 2017-09-07 2024-04-03 M. Tanner AG Zulaufvorrichtung
CN111906032A (zh) * 2019-05-09 2020-11-10 深圳顺丰泰森控股(集团)有限公司 供件系统及方法
CN111994623B (zh) * 2020-08-21 2022-06-03 广州纬纶信息科技有限公司 一种自动上料装置的辅助定位机构

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH311992A (fr) * 1950-12-18 1955-12-15 Standard Telephone & Radio Sa Position de tri pour lettres ou autres objets plats similaires.
US2941654A (en) * 1957-09-18 1960-06-21 Emerson Radio & Phonograph Cor Mail handling apparatus
DE1220650B (de) * 1962-04-11 1966-07-07 Siemens Ag Anordnung zum praezisen Anhalten von schnell bewegtem, flachem Foerdergut
DE1229004B (de) * 1965-03-29 1966-11-17 Siemens Ag Trennvorrichtung fuer unguenstig ueberlappt laufende Sendungen in Hochkantfoerder-einrichtungen
DE1561189B1 (de) * 1967-05-26 1971-05-13 Telefunken Patent Einrichtung zur vereinzelten abgabe von flachen sendungen
US3951257A (en) * 1974-10-30 1976-04-20 Pitney-Bowes, Inc. Mail transporting mechanism
US3952874A (en) * 1974-12-17 1976-04-27 Owen Tri-Cut Limited Mail processing equipment
SE446568B (sv) * 1985-08-01 1986-09-22 Inter Innovation Ab Anordning for inmatning av verdepapper, sasom sedlar, checkar, etc, fran en utifran atkomlig inmatningsoppning till ett for forvaring av verdepapper avsett utrymme
JP2590477B2 (ja) * 1987-05-13 1997-03-12 富士ゼロックス株式会社 用紙搬送方向変換装置

Also Published As

Publication number Publication date
DE69210105T2 (de) 1996-09-19
CA2071685A1 (fr) 1992-12-22
US5249794A (en) 1993-10-05
FR2677902A1 (fr) 1992-12-24
JPH05213432A (ja) 1993-08-24
FR2677902B1 (fr) 1996-12-13
JPH06104492B2 (ja) 1994-12-21
DE69210105D1 (de) 1996-05-30
CA2071685C (fr) 1996-09-10
EP0519375A1 (de) 1992-12-23

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