EP0460329B1 - Steuervorrichtung zur Einstellung von Artikeln - Google Patents

Steuervorrichtung zur Einstellung von Artikeln Download PDF

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Publication number
EP0460329B1
EP0460329B1 EP90401567A EP90401567A EP0460329B1 EP 0460329 B1 EP0460329 B1 EP 0460329B1 EP 90401567 A EP90401567 A EP 90401567A EP 90401567 A EP90401567 A EP 90401567A EP 0460329 B1 EP0460329 B1 EP 0460329B1
Authority
EP
European Patent Office
Prior art keywords
detector
path
sensor
articles
parameter
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
EP90401567A
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English (en)
French (fr)
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EP0460329A1 (de
Inventor
Claude Gerbaud
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.)
Quadient Technologies France SA
Original Assignee
Neopost Technologies 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 Neopost Technologies SA filed Critical Neopost Technologies SA
Priority to DE1990602940 priority Critical patent/DE69002940T2/de
Publication of EP0460329A1 publication Critical patent/EP0460329A1/de
Application granted granted Critical
Publication of EP0460329B1 publication Critical patent/EP0460329B1/de
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
    • B43M3/00—Devices for inserting documents into envelopes
    • B43M3/04—Devices for inserting documents into envelopes automatic

Definitions

  • the present invention relates to commands for positioning articles on a drive path, in particular for a temporary stop of each article in a precise position defined for a treatment to be carried out on these articles.
  • Such commands are necessary in particular in mail processing machines. They allow the envelopes to be positioned on their drive path, in particular for loading and possibly for closing after wetting their flap.
  • the positioning control device can consist of a position detector placed at the location of the desired stop for one of the front or rear edges of the successive articles.
  • the detector then causes each item to stop when it detects the affected edge of this item at its level.
  • another known solution consists in placing the position detector upstream and at a known distance from the precise stop position desired.
  • the position detector is then associated with an up or down counting means which it triggers, which is itself coupled to a unitary displacement sensor, by step, of the articles, formed by an encoder or directly by a stepping motor. drive.
  • the number of pulses or not which translates the distance between the position of the position detector and the stop position causes the command to stop the drive means. This number is stored in a memory of an electronic circuit for managing the movement of articles on the way.
  • the present invention aims to avoid these drawbacks and in particular the need for precise positioning of the position detector relative to the stopping point.
  • a device for controlling the positioning of articles on a path comprising means for driving the articles on the path, a first position detector mounted on the path upstream of a desired stop position, a unit displacement sensor, by step, of the articles, means for memorizing a control parameter P, and a movement management circuit coupled to said first detector for triggering and to said sensor for controlling the stopping of the article for P not of the sensor since its triggering, and being characterized in that said first detector is mounted at an unreferenced distance from said stopping point and in that it further comprises a second position detector, mounted on the path either upstream or downstream of said first detector and the breakpoint, but only at a known and referenced distance from the breakpoint, equal to a number N of steps of the pickup ur of this breakpoint, and an initialization circuit, with processing means coupled to the management circuit and to the storage means and to control means, for developing said parameter P, during an initialization cycle with one of the articles driven along the way, from said number N and from a number n of sensor steps measured between the detection of
  • This second position detector can be of the opto-electronic type. It can be placed either upstream of the first detector, between the first detector and the stop position, or downstream of the stop position since it does not intervene in the stop command. It allows the value of the command parameter P to be worked out by passing one of the articles, without stopping it, in front of the two position detectors. The management circuit then causes each item in good position to stop for P not detected from the moment when the front edge of the document passes under the first position detector.
  • the single figure represents an article processing machine equipped with a device for controlling the positioning of articles on their way according to the present invention.
  • the machine illustrated is a mail processing machine, loading documents into envelopes and closing the envelopes.
  • the machine is of general organization as such known which is indicated briefly below; it is equipped with a control device according to the present invention.
  • the machine comprises an envelope path designated by the reference 1 with regard to the part or path for supplying empty envelopes and the reference 2 with regard to the part or path for processing the envelopes.
  • a loading station 3, a flap wetting station 4, a closing station 5 and an ejection station 6 are mounted one after the other on the processing path 2.
  • a document path 7 ensures the brought folded documents to load in the envelopes present successively at the loading station 3.
  • the loading station 3 is with rollers 3A, 3B mounted on either side of the envelope path, at the junction of parts 1 and 2.
  • the mooring station 4 is at the mooring element 4A mounted below the path 2 in a feed tank 4B and with associated pivoting deflector 4C mounted above path 2 and controlled according to arrow 4D.
  • the closing station 5 is a pair of rollers 5A, 5B under pressure, which is mounted at the end of a pair of pivoting arms 5C. This pair of rollers is actuated according to arrow 5D between a position above the path 2 and a so-called closed position in which its rollers are on either side of the path.
  • the ejection station 6 is with rollers 6A, 6B mounted under pressure one against the other, on either side of the path 2.
  • the rollers 1A, 3A and 6A, above the paths 1 and 2 are driven simultaneously by a reversible stepping motor 10, using a coupling belt 11.
  • the rollers 8A, 8B are idle rollers under pressure One against the other.
  • the roller 7B below the path 7 and the lower roller 3B of the loading station are coupled by a belt 18 and driven by another motor 13.
  • the roller 3B is mounted on a free wheel and is also controlled according to arrow 3C to be in pressure against the roller 3A or be retracted in the non-pressure position. Only one of the motors 10 and 13 is driven at a time.
  • the roller 3B being under pressure against the roller 3A, it allows the envelopes to be driven when the motor 10 is driven and the end of insertion of a document when the motor 13 is driven. In its retracted position it allows the beginning of insertion of the document, the advance of which is ensured by the roller 7B driven by the motor 13.
  • each envelope present at the loading station has its body on path 2 and its flap retained on path 1 between the rollers 8A, 8B mounted for this purpose close to the rollers 3A, 3B; the body of the envelope is also ajar at the level of the rollers 3A, 3B to facilitate the insertion of the document.
  • each envelope is driven on path 2 by the rollers 3A and 6A; its flap is folded by the rollers 5A, 5B put in the closed position when it is at their level, the envelope is then closed by reversing the drive direction of the motor 10 to make it pass at least partly between the rollers 5A, 5B; it is ejected by again reversing the direction of drive of the motor 10.
  • the loading position is a defined position in which successive envelopes must be stopped for operations directly linked to loading, such as opening the body of the envelope and end of document insertion, but also for the following operations such as wetting the flap, closing the envelope and ejecting.
  • the machine is also equipped with a positioning control device according to the present invention, in particular for the precise stopping of the envelopes in the loading position.
  • This stop position is defined by the look of the rollers 3A, 3B, it corresponds to a precise point of stop on the path 2 for the front front of the envelopes or for the fold line between their bodies with their flap then open.
  • the control device comprises a first position detector 20, mounted upstream of the loading station 3, on the path 1.
  • This detector is placed in the easiest possible access location, without taking its precise distance into account. report at the breakpoint. It consists of a couple of photoelectric cells mounted separately on either side of path 1.
  • the device further comprises a second position detector 21, mounted either downstream or upstream from the stopping point and from the first detector, but at a known distance referenced from the stopping point. Its location is chosen in a space that takes up little space and is not conducive to the creation of stuffing and where the flanges of the machine are particularly suitable for direct mounting on the path of the envelopes.
  • This second detector is illustrated placed downstream of the rollers 3A, 3B. It is advantageously constituted by an opto-electronic fork carried by a flange of the machine.
  • the control device also includes a management circuit 22 coupled to a unit displacement displacement sensor 23 by step of the envelopes which detects the steps of the motor 10 or preferably the steps of a encoder driven by an additional control motor, not illustrated, assigned to various mechanical controls in the machine, using cams which it drives.
  • a memory 24 is assigned to the storage of a parameter P of command to stop each envelope in the loading position.
  • An algebraic processing unit 25 works out with the management circuit 22 the parameter P.
  • This processing unit and the management circuit are preferably produced by a microprocessor.
  • a program of a memory 26 controls the microprocessor, to define this parameter P from an initial datum N, which is the number of steps of the sensor 23 translating the distance between the detector 21 and the breakpoint.
  • the control parameters are developed and loaded into memory 24 during an initialization cycle defined by the control program, with an envelope driven on paths 1 and 2, without the desired stops.
  • the command program also makes it possible to take into account the fact that the definition of the data item N relates to the front edge of the envelopes or the rear edge or fold line between the body and the flap of the envelopes and makes it possible to define the command parameter P for the other front than that taken into account in the data N.
  • the processing unit makes it possible to correct the value of the parameter P developed and stored by the defined length of standardized envelopes.
  • control program further defines a so-called learning cycle, with a closed envelope driven on paths 1 and 2, to measure the length of the envelopes of the model used.
  • the circuit management 22 counts the number of steps of the sensor 23 between the moments when the front edge and then the trailing edge pass under the detector 21. This number counted being 1, the processing unit corrects the parameter P memorized by adding or subtracting it, as the case may be, the number 1.
  • this measurement of the length of envelopes made by the control circuit can also be used to define the maximum length of the folded documents and then allow the appropriate adjustments of the folding means equipping or coupled to the path 7.
  • the parameter P having been developed and possibly corrected, it makes it possible to determine other similar parameters for the command to reverse a loaded envelope, by reversing the direction of drive of the motor 10, then the command to eject the closed envelope. , by a new reversal of the motor drive direction; these parameters can be calculated by adding to the parameter P defined numbers of steps of the sensor 23.
  • control parameter for stopping the loaded envelope for one or the other reversal of the drive direction of the motor 10 can be developed in the same way as the control parameter P stop in the loading position, using two position detectors and circuits 22, 23 and 25.
  • the aforementioned second detector 21 can be used in common by developing all the parameters.
  • this same control device is, moreover, adapted to the command to stop each document at the end of insertion into the envelope which receives it.
  • the control device further comprises a position detector 30 mounted on the track 7, downstream of the loading station 3.
  • This detector 30 is with detection lever, the associated sensor is not illustrated.
  • the second detector 21 is also used with this detector 30 for the elaboration of the document stop command parameter, denoted Pd, during the initialization cycle renewed for documents, with the passage of a folded document on paths 7 and 2, but without its loading in an envelope.

Landscapes

  • Controlling Sheets Or Webs (AREA)
  • Packaging Of Special Articles (AREA)

Claims (7)

  1. Einrichtung zum Steuern der Position von Artikeln auf einem Weg, mit Antriebsmitteln für die auf dem Weg befindlichen Artikel, mit einem ersten Positionsdetektor, der vor einer gewünschten Haltestelle über dem Weg angebracht ist, mit einem Sensor zur Erfassung der Fortbewegung der Artikel in Einheitsschritten, mit Mitteln zur Speicherung eines Steuerparameters P, und mit einer Fortbewegungssteuerschaltung, die an den ersten Detektor zu dessen Auslösung und an den Sensor zur Steuerung des Anhaltens des Artikels nach Ablauf von P Sensorschritten seit seiner Auslösung angeschlossen ist, dadurch gekennzeichnet, daß der erste Detektor (20) in einem nicht besonders gekennzeichneten Abstand vom Haltepunkt angebracht ist und daß die Einrichtung weiter einen zweiten Positionsdetektor (21) aufweist, der an beliebiger Stelle vor oder hinter dem ersten Detektor und dem Haltepunkt über dem Weg (2) angebracht ist, jedoch unter Belassung eines Abstandes, der einzig in Bezug auf den Haltepunkt bekannt und gekennzeichnet ist und einer Schrittanzahl N zwischen dem Sensor (23) und diesem Haltepunkt entspricht, und mit einer Initialisierungsschaltung, die Bearbeitungsmittel (25), die an die Steuerschaltung (22) und an die Speichermittel (24) angeschlossen sind, sowie Steuermittel (26) zur Berechnung des Parameters P im Laufe eines Initialisierungszyklusses mit einem auf dem Weg fortbewegten Artikel und zum Laden des erzeugten Parameters P in die Speichermittel (24) enthält, wobei die Berechnung von der Anzahl N und einer Anzahl n von Sensorschritten ausgeht, die zwischen der Erfassung des Artikels durch den einen und dann durch den anderen der beiden Positionsdetektoren (20, 21) gemessen werden.
  2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Bearbeitungsmittel (25) anfangs durch die Position des zweiten Detektors relativ zu der des ersten Detektors und/oder durch die Halteposition bedingt sind, um die der jeweiligen Zahl N und n zugewiesenen Vorzeichen zur Berechnung des Parameters P zu definieren.
  3. Einrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Steuerschaltung und die Verarbeitungsmittel aus einem Mikroprozessor bestehen.
  4. Einrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Steuermittel (26) weiter die Korrektur des berechneten Parameters P durch den in Sensorschritten gemessenen Wert der Länge 1 der Artikel durchführen, um die Steuerschaltung (22) beim Erfassen der Vorderkante des Artikels durch den ersten Detektor auszulösen und um die andere Kante am Haltepunkt anzuhalten.
  5. Einrichtung nach Anspruch 4, dadurch gekennzeichnet, daß sie weiter Mittel zum Messen der Länge der Artikel aufweist, die aus dem zweiten Detektor (21), der Steuerschaltung (22) und den Steuermitteln (26) bestehen, um die Länge 1 während eines sogenannten Lernzyklus mit einem auf der Weg weiterbewegten Artikel durch Zählen der Schritte des Sensors (23) zwischen der Erfassung der Vorderkante und der Erfassung der Hinterkante des Artikels durch den zweiten Detektor (21) zu messen.
  6. Einrichtung nach einem der Ansprüche 2 bis 5, die in einer Postverarbeitungsmaschine angebracht ist, um das Anhalten der auf ihrer Weg und in einer Ladestation (3) der Maschine bewegten Umschläge in einer definierten Ladeposition auszulösen, dadurch gekennzeichnet, daß sie weiter einen dritten Positionsdetektor (30), der über einem Weg für in jeden Umschlag einzusteckende Dokumente vor einem Haltepunkt der Dokumente am Ende des Einsteckens in den Umschlag angeordnet ist, und einen vierten Positionsdetektor (21) aufweist, der in einem bekannten Bezugsabstand von Nd Schritten des Sensors (23) vom Haltepunkt der Dokumente angeordnet ist, wobei der dritte und der vierte Detektor mit der Steuerschaltung (22) verbunden sind, um im Laufe des Initialisierungszyklus in Anwesenheit eines auf seinem Weg fortbewegten Dokumentes aus der Anzahl Nd und der Anzahl der Schritte des Sensors (23), die zwischen der Erfassung des Dokumentes durch den einen, nämlich den dritten Detektor und dann durch den anderen, nämlich den vierten Detektor gemessen werden, einen Parameter Pd zur Steuerung des Anhaltens jedes Dokumentes zu berechnen.
  7. Einrichtung nach Anspruch 6, dadurch gekennzeichnet, daß der vierte Detektor aus dem zweiten Detektor (21) besteht, der hinter der Ladestation (3) angeordnet ist.
EP90401567A 1989-05-22 1990-06-08 Steuervorrichtung zur Einstellung von Artikeln Expired - Lifetime EP0460329B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1990602940 DE69002940T2 (de) 1990-06-08 1990-06-08 Steuervorrichtung zur Einstellung von Artikeln.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8906636A FR2647036B1 (fr) 1989-05-22 1989-05-22 Dispositif de commande de positionnement d'articles

Publications (2)

Publication Number Publication Date
EP0460329A1 EP0460329A1 (de) 1991-12-11
EP0460329B1 true EP0460329B1 (de) 1993-08-25

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EP90401567A Expired - Lifetime EP0460329B1 (de) 1989-05-22 1990-06-08 Steuervorrichtung zur Einstellung von Artikeln

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US (1) US5042223A (de)
EP (1) EP0460329B1 (de)
FR (1) FR2647036B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5330309A (en) * 1992-11-25 1994-07-19 Eastman Kodak Company Reader having cassette locating and unlatching mechanism
NL9202296A (nl) * 1992-12-31 1994-07-18 Hadewe Bv Inrichting en werkwijze voor het samenstellen van een poststuk.
GB2284794B (en) * 1993-12-20 1998-03-04 Pitney Bowes Plc Inserter machine for stuffing envelopes
US5555701A (en) * 1994-11-29 1996-09-17 Fehringer; Robert Envelope wetting and sealing apparatus
US5517797A (en) * 1994-12-15 1996-05-21 Pitney Bowes Inc. Envelope positioning apparatus for inserting machine
SE515654C2 (sv) * 1997-09-02 2001-09-17 Plockmatic Int Ab Sätt och anordning för att automatiskt fylla och försegla kuvert i en komplett sekvens
EP2030210A4 (de) 2006-04-12 2010-04-14 Proteus Biomedical Inc Lückenfreie implantierbare, hermetisch verschlossene strukturen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020615A (en) * 1975-12-15 1977-05-03 Pitney-Bowes, Inc. Envelope inserter and feeder system
CH650995A5 (de) * 1981-02-10 1985-08-30 Frama Ag Zufuehreinrichtung fuer einzelne flache materialstuecke.
JPS60236954A (ja) * 1984-05-08 1985-11-25 Ricoh Co Ltd 摩擦分離給紙制御方法
FR2623752B1 (fr) * 1987-11-26 1990-03-09 Smh Alcatel Dispositif de commande d'avance et de positionnement d'enveloppes dans une machine d'insertion
FR2634729B1 (fr) * 1988-07-27 1990-09-14 Alcatel Satman Sa Dispositif de fermeture d'enveloppes
US4865309A (en) * 1988-08-04 1989-09-12 Cluett, Peabody & Co., Inc. Method and apparatus for aligning workpieces of variable lengths
US4962623A (en) * 1988-12-30 1990-10-16 Pitney Bowes Inc. Asynchronous rejection in an inserter
US4962624A (en) * 1989-12-20 1990-10-16 Pitney Bowes Inc. Envelope opening apparatus

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Publication number Publication date
EP0460329A1 (de) 1991-12-11
US5042223A (en) 1991-08-27
FR2647036B1 (fr) 1991-07-05
FR2647036A1 (fr) 1990-11-23

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