EP3216530A1 - Manuel sorting system - Google Patents
Manuel sorting system Download PDFInfo
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- EP3216530A1 EP3216530A1 EP17159610.9A EP17159610A EP3216530A1 EP 3216530 A1 EP3216530 A1 EP 3216530A1 EP 17159610 A EP17159610 A EP 17159610A EP 3216530 A1 EP3216530 A1 EP 3216530A1
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- objects
- sorting system
- zone
- removal
- control unit
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- 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
- B07C7/00—Sorting by hand only e.g. of mail
- B07C7/005—Computer assisted manual sorting, e.g. for mail
Definitions
- the present invention relates to an apparatus and a method for sorting objects (generally goods or Collis) along a conveyor line.
- the objects to be sorted are transported along a conveyor, usually in the form of a long conveyor belt. Sometimes this is purely linear. In order to reintroduce objects not taken down at the end of the line into the sorting process, closed routines are used as an alternative to the pure line. The disadvantage here is that various time elapses until an object has completed a complete loop and comes back to the desired collection location.
- the sorting workers are usually at a plurality of juxtaposed extraction zones along the conveyor line. It is also known to arrange removal sites on both opposite sides of the conveyor belt. The workers are often the truck drivers, who then load the objects into the truck and drive out to the receiver.
- a disadvantage of these present removal arrangements is the fact that the sorting persons must in part search, read and evaluate the identifications on the objects to be sorted themselves. It happens that objects are incorrectly taken down or, vice versa, left on the tape by mistake. This is problematic if the error is noticed only at the end of the delivery tour and the object is delivered to the receiver by days late.
- a further disadvantage is that the worker must always pay attention to the object currently passing on the conveyor belt in order to check the requirement of removal. It remains unrecognized whether possibly immediately thereafter or in a short distance other objects intended for him have reached or will reach the extraction zone, or if he does not have to expect objects for a long time and there is time to load the already taken down objects into his truck.
- Known sorting systems of this type usually promote with 0.5 m / s.
- the aim of the invention is, inter alia, to increase the conveying speed by 20% to 0.6 m / s.
- the object of the invention is therefore to provide a sorting system to overcome the disadvantages mentioned, in particular the activity of the sorting worker ergonomic, because it is easier to plan, to shape and to protect its health.
- the invention is based on the idea of creating a quasi-futuristic display that informs each of the sorting workers in its respective withdrawal zone in advance about the arrival and the order of the next objects.
- the information is permanently pre-informed about a plurality of n objects (n> 1).
- n objects for example, five objects can be signaled. These are preferred in theirs Order of arrival signaled.
- Additional information such as weight, dimension (s), special treatments (dangerous goods, express, cash on delivery, return receipt, duty, etc.), time to arrival, etc. can continue to support and relieve the worker.
- the worker can e.g. decide on the basis of the additional information in advance whether consecutively arriving objects are jointly handled, e.g. stacked and stored together. This saves unnecessary handling activities and thus time.
- the sorting system according to the invention is suitable for the targeted distribution of objects, which are often referred to as Collis. These are preferably packets, packages or other packages or containers which are moved one after the other along a conveyor line and, depending on the property of the respective object at different positions along the conveying path to be removed from this, about to load them into a specific truck , Along the conveyor line several extraction zones are formed one behind the other, in principle, also opposite extraction zones are conceivable.
- a recognition unit in particular a barcode scanner, records specific object identifiers on each object before the object is fed to the conveyor line and moved along it. (The conveyor line should therefore be understood to mean that section of a transport system which follows the aforementioned detection of object identifications.) However, this does not preclude additional identification detections along the conveyor line.)
- a control unit connected to the scanner can determine one or more object properties of the object from the detected object identifier, for example in conjunction with a connected database.
- This can in particular be a delivery address or delivery region, from which in turn can be deduced in which removal zone the object must be removed from the conveyor to take the correct shipping route to be loaded, for example, in the correct truck.
- control unit is designed to control a display unit associated with the individual removal zones in such a way that the worker working in the removal zone can be informed in advance which of these objects can be found in his removal zone and for several of the objects successively entering the respective removal zone which can remain on the conveyor.
- the number of objects to be displayed "in advance" is arbitrary and can be set to five, for example.
- symbols which are intended to represent the individual objects move on the display in a manner analogous to the actual movement of the objects on the conveyor track, so that a clear association between the information shown on the display and the respectively transported objects is easily possible for the worker.
- a display assigned only to it is provided for each removal zone.
- individual removal zones are provided with automatic or semi-automatic removal devices to remove selected objects from the tape.
- This can be, for example, piston-cylinder arrangements or robots. These can be carried out automatically (for example by activation by the control unit) or initiated by a worker (for example after checking the display).
- a signaling of the (for example, predetermined by a control unit / PLC / master computer, desired, intended) extraction zone can take place in various ways.
- the assignment may e.g. be identified by numbering, different symbols or colors.
- the proposed display may also include a location for a short clipboard in order to suggest to the sorting worker the order for later loading of the objects intended for him in his truck, in any case with the aim of optimizing his work. Consideration can also be given to the loading capacity of the truck and the planned route.
- the said clipboard may in the simplest case be a number of fields marked on the ground.
- Another advantage of the proposed solution is that can be largely or completely dispensed with the printing and attaching additional stickers on the objects as an aid to the sorting person.
- control unit recognizes by means of a light barrier sensor at the end of a removal zone that an object intended for removal has not been removed, a suitable signal (eg red representation of the object to be removed) in the display according to the invention of the corresponding removal station can be provided for the expected removal to be performed clues.
- a suitable signal eg red representation of the object to be removed
- the required removal can also be indicated by means of an acoustic signal triggered by the control unit.
- the entire conveyor belt or the section of the conveyor located in the respective removal zone possibly together with some or all of the upstream removal zones, can be slowed down or stopped.
- the display unit simultaneously displays properties of objects (O 1 , O 2 %) From a group of 'n' objects in the order in which the 'n' objects indicate the respective removal zone (Z 1 , Z 2 %) and / or have reached partially or completely, where n> 1 should apply.
- Method according to one of the preceding method claims characterized in that the delivery is slowed or stopped, at least in the removal zone in which an object to be removed is not taken in time and therefore threatens to leave the removal zone on the conveyor line.
- control unit is designed by means of arranged at the end of each removal zone sensors (L) for positional synchronization with the remaining on the conveyor line objects (O) in such a way that is known at any time, which object located at which position of the conveyor line and / or should be.
- Fig. 1 shows in a schematic plan view designed as a conveyor belt conveyor F on the objects O 1 , O 2 , ... are transported isolated in Fig. 1 from right to left.
- the objects first arrive at a scanner unit S, in which object identifiers are recorded for each object and sent to an in-line scanner Fig. 1 not shown superordinated control unit C are forwarded.
- the objects O 1 , O 2 , ... then arrive on the belt successively in individual removal zones Z 1 , Z 2 , Z 3 .
- Each object O is to be taken from the conveyor F in one of these zones, which should be done manually by the worker indicated in each zone. To For example, the worker can grab the object from the belt and, for example, place it behind him on a palette ready there.
- a display unit A 1 , A 2 , A 3 which is easy to see by the working worker, is provided.
- Each display unit is connected to the control unit C and controlled by the latter so that a corresponding symbol is displayed on the display for each object entering each extraction zone.
- the symbols assigned to the individual objects by the control unit differ according to color, shape or meaning according to the invention such that the objects to be removed in the respective removal zone are represented differently than those objects which are to be moved by the conveyor belt into the adjacent next removal zone.
- some of the objects supplied in the future to the respective removal zone are represented symbolically on each display, so that the respective person can already see in advance which of the subsequent objects is to be taken from them and which is not.
- each removal zone Z 1 , Z 2 , Z 3 is in each case a light barrier L 1 , L 2 , L 3 is arranged, which can detect the passage of the objects from one to the next adjacent removal zone.
- a photoelectric barrier and its evaluation by the control unit it can be determined whether an object was actually removed as required or accidentally left on the tape.
- the control unit for example, by evaluating the transport speed and the scanning times of the scanner, the position of the objects left on the conveyor belt permanently traceable ("tracking").
- the respective worker can be made more aware of the need to remove the object by means of the display or by additional acoustic means. If necessary, the movement of the conveyor belt may be temporarily slowed or stopped completely until the object has been properly removed.
- Fig. 2 shows the in Fig. 1 illustrated arrangement with regard to their control.
- a control unit C which comprises a PLC and designed for this purpose is to evaluate the transmitted from a connected to the control unit C scanner object identifier and assign object features.
- the control unit C is also designed to control the individual display units A 1 , A 2 , A 3 in the manner already described.
- control unit can not only generate different symbols for the objects to be taken in the different zones (in the present example differently colored circles), it can also optionally also indicate that symbol H, which corresponds to the goods to be taken in the respective zone.
- symbol H which corresponds to the goods to be taken in the respective zone.
- the person responsible there can advantageously plan better about possible time gaps in which no objects can be removed and, for example, the truck can be loaded instead.
- the person can further estimate in advance how to deal with the corresponding object.
- Fig. 1 is to illustrate the display principle is on all displays A 1 , A 2 , A 3 , the future expected object pass, each offset by an object, displayed in color (for purposes of black and white representation in this application, instead of different colors and different Be shown pattern).
- This distinction between individual objects displayed according to the invention relieves the employees of manual sorting, since the independent (in particular multiple) search and evaluation of object identifications in each individual removal zone is no longer required. This increases the safety of the sorting and avoids erroneous trips.
- Monitoring by means of the photoelectric sensors also guarantees that objects do not accidentally remain on the tape and at the beginning of the process Conveyor line must be moved back. This saves acquisition and / or personnel costs.
- the display system also makes it possible to increase the transport speed of the conveyor, so that the removal and, consequently, the loading process can be carried out more expeditiously, with the result that the delivery can start earlier. Overall, the sorting process becomes much more efficient.
Abstract
Sortiersystem zur gezielten Verteilung von Objekten (O), die entlang einer Förderstrecke (F) hintereinander angeordnet sind, wobei eine optische Anzeigeeinheit (A) vorgesehen ist, mittels welcher an einzelnen Entnahmezonen (Z) vorgebbare Objekteigenschaften für eine ausgewählte Gruppe von nacheinander auf der Förderstrecke (F) angeordneten Objekten (O) anzeigbar sind.Sorting system for the targeted distribution of objects (O), which are arranged behind a conveyor line (F), wherein an optical display unit (A) is provided by means of which at individual removal zones (Z) predetermined object properties for a selected group of successively on the conveyor line (F) arranged objects (O) are displayed.
Description
Die vorliegende Erfindung betrifft eine Vorrichtung und ein Verfahren zum Sortieren von Objekten (allgemein Gütern oder auch Collis) entlang einer Förderstrecke.The present invention relates to an apparatus and a method for sorting objects (generally goods or Collis) along a conveyor line.
Bei kleineren Postverteilzentren, sogenannten Depots, rentieren sich teure automatische Sortieranlagen nicht. Diese würden nur wenige Stunden am Tag (ca. 3-6 Stunden) während der Sortierzeiten (in den Morgen- und/oder Abendstunden) verwendet werden. Für die restliche Zeit blieben sie unproduktiv. Daher wird bei Sortieraufgaben bis ca. 20.000 Objekte pro Stunde meist weiterhin eine manuelle Sortierung bevorzugt.At smaller postal distribution centers, so-called depots, expensive automatic sorting systems are not profitable. These would be used only a few hours a day (about 3-6 hours) during sorting times (in the morning and / or evening hours). For the rest of the time they remained unproductive. Therefore, sorting tasks up to approx. 20,000 objects per hour usually continue to prefer manual sorting.
Die zu sortierenden Objekte werden dabei entlang einer Fördereinrichtung transportiert, üblicherweise in Form eines langen Förderbands. Manchmal ist dieses rein linear ausgebildet. Um nicht heruntergenommene Objekte am Ende der Linie nochmals in den Sortiervorgang einzubringen werden alternativ zur reinen Linie geschlossene Rundläufe benutzt. Nachteilig dabei ist, dass diverse Zeit vergeht, bis ein Objekt eine vollständige Schleife beendet hat und wieder an dem gewünschten Entnahmeort vorbei kommt.The objects to be sorted are transported along a conveyor, usually in the form of a long conveyor belt. Sometimes this is purely linear. In order to reintroduce objects not taken down at the end of the line into the sorting process, closed routines are used as an alternative to the pure line. The disadvantage here is that various time elapses until an object has completed a complete loop and comes back to the desired collection location.
Die sortierenden Arbeiter stehen üblicherweise an einer Vielzahl von nebeneinander angeordneten Entnahmezonen entlang der Förderstrecke. Es ist auch bekannt, an beiden gegenüberliegenden Seiten des Förderbandes Entnahmeplätze anzuordnen. Die Arbeiter sind oftmals die LKW-Fahrer, die die Objekte anschließend in den LKW laden und zum Empfänger ausfahren.The sorting workers are usually at a plurality of juxtaposed extraction zones along the conveyor line. It is also known to arrange removal sites on both opposite sides of the conveyor belt. The workers are often the truck drivers, who then load the objects into the truck and drive out to the receiver.
Nachteilig bei diesen heutigen Entnahmeanordnungen ist der Umstand, dass die sortierenden Personen teilweise die Kennzeichnungen auf den zu sortierenden Objekten selbst suchen, lesen und bewerten müssen. Dabei kommt es vor, dass Objekte fälschlicherweise heruntergenommen oder, umgekehrt, fälschlicherweise auf dem Band belassen werden. Dies ist problematisch, wenn der Fehler erst am Ende der Auslieferungstour bemerkt wird und das Objekt um Tage verspätet beim Empfänger angeliefert wird.A disadvantage of these present removal arrangements is the fact that the sorting persons must in part search, read and evaluate the identifications on the objects to be sorted themselves. It happens that objects are incorrectly taken down or, vice versa, left on the tape by mistake. This is problematic if the error is noticed only at the end of the delivery tour and the object is delivered to the receiver by days late.
Nachteilig ist auch, dass der Arbeiter keine oder unzureichende Detailkenntnisse über das jeweils nächste zu entnehmende Objekt besitzt. So kann es vorkommen, dass ein von den Dimensionen her kleines Objekt als vermutlich leicht beurteilt wird, und sich beim Herunternehmen ein viel höheres Gewicht offenbart. Hierbei kann sich die Abnahme des Objekts vom Band unerwartet verzögern, der Arbeiter kann sich verletzen (z.B. Muskeln zerren), oder er kann das Objekt aus Überraschung fallen lassen und es dabei beschädigen.It is also disadvantageous that the worker has no or inadequate detailed knowledge of the respective next object to be removed. Thus, it may happen that an object that is small in size is presumed to be light in weight and reveals a much greater weight when it comes down. In this case, the decrease of the object from the belt may unexpectedly delay, the worker may injure himself (e.g., tug muscles), or he may drop the object out of surprise and thereby damage it.
Nachteilig ist weiterhin, dass der Arbeiter seine Aufmerksamkeit stets auf das aktuell auf dem Förderband vorüberziehende Objekt richten muss, um das Erfordernis der Entnahme zu prüfen. Unerkannt bleibt dabei, ob evtl. unmittelbar danach oder in kurzem Abstand weitere für ihn bestimmte Objekte die Entnahmezone erreicht haben oder erreichen werden, oder ob er längere Zeit keine Objekte erwarten muss und Zeit für das Einladen der schon heruntergenommenen Objekte in seinen LKW bestünde.A further disadvantage is that the worker must always pay attention to the object currently passing on the conveyor belt in order to check the requirement of removal. It remains unrecognized whether possibly immediately thereafter or in a short distance other objects intended for him have reached or will reach the extraction zone, or if he does not have to expect objects for a long time and there is time to load the already taken down objects into his truck.
Bekannte Sortiersysteme dieser Art fördern üblich mit 0,5 m/s. Ziel der Erfindung ist es unter anderem, die Fördergeschwindigkeit um 20% auf 0,6 m/s zu erhöhen. Dies würde ohne verbessernde Maßnahmen die sortierenden Arbeiter jedoch unter einen sehr hohen Zeitdruck setzen, wodurch die Fehlerrate steigen und die Gesundheit leiden würde.Known sorting systems of this type usually promote with 0.5 m / s. The aim of the invention is, inter alia, to increase the conveying speed by 20% to 0.6 m / s. However, this would put the sorting workers under very high time pressure without improving measures, thereby increasing the error rate and suffering health.
Aufgabe der Erfindung ist es daher, ein Sortiersystem zur Überwindung der genannten Nachteile anzubieten, insbesondere die Tätigkeit des sortierenden Arbeiters ergonomischer, weil besser planbar, zu gestalten und dessen Gesundheit zu schonen.The object of the invention is therefore to provide a sorting system to overcome the disadvantages mentioned, in particular the activity of the sorting worker ergonomic, because it is easier to plan, to shape and to protect its health.
Gelöst wird die Aufgabe durch eine Vorrichtung nach Anspruch 1. Weitere vorteilhafte Ausführungsformen ergeben sich aus den Unteransprüchen.The object is achieved by a device according to claim 1. Further advantageous embodiments emerge from the subclaims.
Die Erfindung basiert auf der Idee, eine quasi in die Zukunft schauende Anzeige zu schaffen, die jeden der sortierenden Arbeiter in seiner jeweiligen Entnahmezone vorab über das Eintreffen und die Reihenfolge der nächsten Objekte informiert. Hierbei wird also permanent über eine Mehrzahl von n Objekten (n > 1) vorinformiert. In der Information können z.B. fünf Objekte signalisiert werden. Diese werden bevorzugt in ihrer Reihenfolge des Eintreffens signalisiert. Zusatzinformationen wie z.B. das Gewicht, Dimension(en), Sonderbehandlungen (Gefahrgut, Express, Nachnahme, Rückschein, Zollpflicht usw.), Zeitspanne bis zum Eintreffen usw. können den Arbeiter weiter unterstützen und entlasten.The invention is based on the idea of creating a quasi-futuristic display that informs each of the sorting workers in its respective withdrawal zone in advance about the arrival and the order of the next objects. In this case, the information is permanently pre-informed about a plurality of n objects (n> 1). In the information, for example, five objects can be signaled. These are preferred in theirs Order of arrival signaled. Additional information such as weight, dimension (s), special treatments (dangerous goods, express, cash on delivery, return receipt, duty, etc.), time to arrival, etc. can continue to support and relieve the worker.
So kann der Arbeiter z.B. anhand der Zusatzinformationen vorab entscheiden, ob aufeinanderfolgend eintreffende Objekte gemeinsam handhabbar sind, z.B. übereinander gestapelt und gemeinsam abgelegt werden können. Dies erspart unnötige Handhabungstätigkeiten und damit Zeit.So the worker can e.g. decide on the basis of the additional information in advance whether consecutively arriving objects are jointly handled, e.g. stacked and stored together. This saves unnecessary handling activities and thus time.
Das erfindungsgemäße Sortiersystem ist geeignet zur gezielten Verteilung von Objekten, die häufig auch als Collis bezeichnet werden. Dabei handelt es sich vorzugsweise um Päckchen, Pakete oder andere Verpackungen oder Behälter, die nacheinander entlang einer Förderstrecke bewegt werden und je nach Eigenschaft des jeweiligen Objekts an unterschiedlichen Positionen entlang der Förderstrecke von dieser entnommen werden sollen, etwa um sie in einen bestimmten LKW zu verladen. Entlang der Förderstrecke sind mehrere Entnahmezonen hintereinanderliegend ausgebildet, wobei grundsätzlich auch einander gegenüberliegende Entnahmezonen denkbar sind. Eine Erkennungseinheit, insbesondere ein Barcode-Scanner, erfasst dabei an jedem Objekt spezifische Objektkennzeichnungen, bevor das Objekt der Förderstrecke zugeführt und an dieser entlang bewegt wird. (Als Förderstrecke soll also derjenige Abschnitt eines Transportsystems verstanden werden, der an die vorgenannte Erfassung von Objektkennzeichnungen anschließt. Dies schließt zusätzliche Kennzeichnungserfassungen entlang der Förderstrecke jedoch nicht aus.)The sorting system according to the invention is suitable for the targeted distribution of objects, which are often referred to as Collis. These are preferably packets, packages or other packages or containers which are moved one after the other along a conveyor line and, depending on the property of the respective object at different positions along the conveying path to be removed from this, about to load them into a specific truck , Along the conveyor line several extraction zones are formed one behind the other, in principle, also opposite extraction zones are conceivable. A recognition unit, in particular a barcode scanner, records specific object identifiers on each object before the object is fed to the conveyor line and moved along it. (The conveyor line should therefore be understood to mean that section of a transport system which follows the aforementioned detection of object identifications.) However, this does not preclude additional identification detections along the conveyor line.)
Eine mit dem Scanner verbundene Steuereinheit kann aus der erfassten Objektkennzeichnung, beispielsweise in Verbindung mit einer angeschlossenen Datenbank, eine oder mehrere Objekteigenschaften des Objekts ermitteln. Dabei kann es sich insbesondere um eine Lieferadresse oder Lieferregion handeln, aus der sich wiederum ableiten lässt, in welcher Entnahmezone das Objekt von der Fördereinrichtung abgenommen werden muss, um den korrekten Versandweg zu nehmen, um beispielsweise in den korrekten LKW verladen zu werden.A control unit connected to the scanner can determine one or more object properties of the object from the detected object identifier, for example in conjunction with a connected database. This can in particular be a delivery address or delivery region, from which in turn can be deduced in which removal zone the object must be removed from the conveyor to take the correct shipping route to be loaded, for example, in the correct truck.
Erfindungsgemäß ist die Steuereinheit dazu ausgebildet, eine den einzelnen Entnahmezonen jeweils zugehörige Anzeigeeinheit so anzusteuern, dass dem in der Entnahmezone arbeitenden Arbeiter für mehrere der nacheinander in die jeweilige Entnahmezone gelangenden Objekte im Voraus angezeigt werden kann, welches dieser Objekte in seiner Entnahmezone zu entnehmen ist und welches auf der Fördereinrichtung verbleiben kann. Die Anzahl der "im Voraus" anzuzeigenden Objekte ist frei wählbar und kann beispielsweise auf fünf festgelegt werden. Durch einfach unterscheidbare Symbole in der jeweiligen Anzeige ist so leicht zu erkennen, dass beispielsweise das dritte und vierte in die jeweilige Entnahmezone transportierte Objekt dort zu entnehmen sind, während die beiden vorausgehenden und das nachfolgende Objekt auf dem Band verbleiben können. Zweckmäßigerweise bewegen sich Symbole, welche die einzelnen Objekte darstellen sollen, auf der Anzeige analog zur tatsächlichen Bewegung der Objekte auf der Förderstrecke, so dass dem Arbeiter eine eindeutige Zuordnung zwischen den auf der Anzeige gezeigten Informationen und den jeweils transportierten Objekten leicht möglich ist. Vorzugsweise ist für jede Entnahmezone eine nur ihr zugeordnete Anzeige vorgesehen. Denkbar ist alternativ oder ergänzend jedoch auch, eine Anzeige gemeinsam für mehrere Zonen vorzusehen, aus der jeder Arbeiter zumindest die für seine Zone relevanten Angaben entnehmen kann.According to the invention, the control unit is designed to control a display unit associated with the individual removal zones in such a way that the worker working in the removal zone can be informed in advance which of these objects can be found in his removal zone and for several of the objects successively entering the respective removal zone which can remain on the conveyor. The number of objects to be displayed "in advance" is arbitrary and can be set to five, for example. By easily distinguishable symbols in the respective display is so easy to see that, for example, the third and fourth transported in the respective extraction zone object can be seen there, while the two preceding and the subsequent object can remain on the tape. Expediently, symbols which are intended to represent the individual objects move on the display in a manner analogous to the actual movement of the objects on the conveyor track, so that a clear association between the information shown on the display and the respectively transported objects is easily possible for the worker. Preferably, a display assigned only to it is provided for each removal zone. Alternatively or in addition, however, it is also conceivable to provide a display together for several zones, from which each worker can at least take the information relevant for his zone.
Denkbar ist ferner, dass einzelne Entnahmezonen mit automatischen oder halbautomatischen Entnahmevorrichtungen versehen sind, um ausgewählte Objekte vom Band zu nehmen. Das können bspw. Kolben-Zylinder-Anordnungen oder Roboter sein. Diese können selbsttätig (etwa durch Ansteuerung durch die Steuereinheit) oder veranlasst durch einen Arbeiter (etwa nach Prüfung der Anzeige) die Entnahme ausführen.It is also conceivable that individual removal zones are provided with automatic or semi-automatic removal devices to remove selected objects from the tape. This can be, for example, piston-cylinder arrangements or robots. These can be carried out automatically (for example by activation by the control unit) or initiated by a worker (for example after checking the display).
Es ist möglich, einem Arbeiter nur die durch ihn zu entnehmenden Objekte oder alle auf dem Förderband bewegten Objekte zu signalisieren. Eine Signalisierung der (z.B. von einer Steuereinheit / SPS / Leitrechner vorgegeben, gewünschten, bestimmungsgemäßen) Entnahmezone kann auf verschiedensten Wegen erfolgen. Die Zuordnung kann z.B. kenntlich gemacht werden durch Nummerierung, unterschiedliche Symbole oder Farben.It is possible to signal to a worker only the objects to be removed by him or all objects moved on the conveyor belt. A signaling of the (for example, predetermined by a control unit / PLC / master computer, desired, intended) extraction zone can take place in various ways. The assignment may e.g. be identified by numbering, different symbols or colors.
Die vorgeschlagene Anzeige kann ferner auch einen Ort für eine kurze Zwischenablage definieren, um dem sortierenden Arbeiter die Reihenfolge für das spätere Einladen der für ihn bestimmten Objekte in seinem LKW vorzuschlagen oder vorzuschreiben, in jedem Fall mit dem Ziel, seine Arbeit zu optimieren. Dabei kann auch Rücksicht auf die Ladekapazität des LKW und die geplante Fahrtroute genommen werden. Die genannte Zwischenablage kann im einfachsten Fall eine Anzahl von auf dem Boden markierten Feldern sein.The proposed display may also include a location for a short clipboard in order to suggest to the sorting worker the order for later loading of the objects intended for him in his truck, in any case with the aim of optimizing his work. Consideration can also be given to the loading capacity of the truck and the planned route. The said clipboard may in the simplest case be a number of fields marked on the ground.
Ein weiterer Vorteil der vorgeschlagenen Lösung ist, dass auf das Ausdrucken und Anbringen von Zusatzaufklebern auf den Objekten als Hilfestellung für die sortierende Person weitgehend oder gänzlich verzichtet werden kann.Another advantage of the proposed solution is that can be largely or completely dispensed with the printing and attaching additional stickers on the objects as an aid to the sorting person.
Wenn die Steuereinheit mithilfe einer Lichtschranke als Sensor am Ende einer Entnahmezone erkennt, dass ein zur Entnahme vorgesehenes Objekt nicht heruntergenommen wurde, kann ein geeignetes Signal (z.B. rote Darstellung des zu entnehmenden Objekts) in der erfindungsgemäßen Anzeige der entsprechenden Entnahmestation auf die erwartete und durchzuführende Entnahme hinweisen. Ergänzend kann auch mittels eines von der Steuereinheit ausgelösten akustischen Signals auf die erforderliche Entnahme hingewiesen werden. Zusätzlich kann das gesamte Förderband oder der in der jeweiligen Entnahmezone liegende Abschnitt der Fördereinrichtung, evtl. gemeinsam mit einigen oder allen stromaufwärts liegenden Entnahmezonen, verlangsamt oder gestoppt werden.If the control unit recognizes by means of a light barrier sensor at the end of a removal zone that an object intended for removal has not been removed, a suitable signal (eg red representation of the object to be removed) in the display according to the invention of the corresponding removal station can be provided for the expected removal to be performed clues. In addition, the required removal can also be indicated by means of an acoustic signal triggered by the control unit. In addition, the entire conveyor belt or the section of the conveyor located in the respective removal zone, possibly together with some or all of the upstream removal zones, can be slowed down or stopped.
Das erfindungsgemäße Verfahren, welches mit der vorliegenden Anmeldung nicht geschützt und lediglich zu besseren Erläuterung beschrieben wird, umfasst folgende Merkmale:The method according to the invention, which is not protected by the present application and is described only for better explanation, comprises the following features:
Verfahren zur gezielten Verteilung von Objekten (O1, O2...), wobei die Objekte hintereinander über eine Förderstrecke (F) in einer Förderrichtung bewegt werden, und wobei entlang der Förderstrecke (F) wenigstens zwei Entnahmezonen (Z1, Z2, ...) hintereinander angeordnet sind,
- a) wobei die Objekte vor Eintritt in die Förderstrecke (F) aufeinanderfolgend einer Erkennungseinheit (S) zugeführt werden, welche zur Erfassung von Objektkennzeichnungen, insbesondere von Barcodes, ausgebildet ist;
- b) und wobei eine mit der Erkennungseinheit verbundene Steuereinheit (C) den erfassten Objektkennzeichnungen Objekteigenschaften zuordnet; und
- c) wobei eine einer Entnahmezone (Z1, Z2...) zugeordnete optische Anzeigeeinheit von der Steuereinheit (C) so angesteuert wird, dass diese die Objekteigenschaften einer ausgewählten Gruppe (O1, O2...) von nacheinander auf der Förderstrecke angeordneten Objekten anzeigt, um für einen Bediener in der Entnahmezone die Zuordnung der einzelnen Eigenschaften zu den einzelnen Objekten zu visualisieren.
- a) wherein the objects before entry into the conveyor line (F) successively a detection unit (S) are supplied, which is designed to detect object identifiers, in particular of bar codes;
- b) and wherein a control unit (C) connected to the recognition unit assigns object properties to the detected object identifications; and
- c) wherein a removal zone (Z 1 , Z 2 ...) associated optical display unit is controlled by the control unit (C) so that it the object properties of a selected group (O 1 , O 2 ...) of successively on the Display conveyor line arranged objects to visualize the assignment of the individual properties to the individual objects for an operator in the sampling zone.
Verfahren nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Anzeigeeinheit gleichzeitig Eigenschaften von Objekten (O1, O2...) aus einer Gruppe von 'n' Objekten in derjenigen Reihenfolge vorab anzeigt, in der die 'n' Objekte die jeweilige Entnahmezone (Z1, Z2...) erreichen werden und/oder teilweise oder vollständig erreicht haben, wobei n > 1 gelten soll.Method according to the preceding claim, characterized in that the display unit simultaneously displays properties of objects (O 1 , O 2 ...) From a group of 'n' objects in the order in which the 'n' objects indicate the respective removal zone (Z 1 , Z 2 ...) and / or have reached partially or completely, where n> 1 should apply.
Verfahren nach einem der vorhergehenden Verfahrensansprüche, dadurch gekennzeichnet, dass für jedes Objekt (O1, O2...) der Gruppe mehrere Eigenschaften, insbesondere das Gewicht, die Abmessungen, eine Routennummer, einer Bearbeiterbezeichnung, ein Gefahrgut- oder sonstiger Inhaltshinweis, besondere Versandhinweise (Nachnahme, Rückschein, Zollpflicht, Express) und/oder Zwischenlagerplätze oder Stapel-Reihenfolgen angezeigt werden.Method according to one of the preceding method claims, characterized in that for each object (O 1 , O 2 ...) of the group several properties, in particular the weight, the dimensions, a route number, an editor designation, a dangerous goods or other content reference, special Shipping instructions (cash on delivery, return receipt, customs duty, express) and / or intermediate storage or stacking orders are displayed.
Verfahren nach einem der vorhergehenden Verfahrensansprüche, dadurch gekennzeichnet, dass die in der Entnahmezone (Z) zu entnehmenden Objekte in der Anzeige (A) mit einem Symbol dargestellt werden, welches sich farblich und/oder geometrisch und/oder in seiner Bedeutung von anderen dargestellten Objekten unterscheidet, die in der jeweiligen Entnahmezone nicht zu entnehmen sind.Method according to one of the preceding method claims, characterized in that the objects to be removed in the removal zone (Z) are represented in the display (A) with a symbol which is colored and / or geometrically and / or in its meaning from other objects shown which can not be found in the respective withdrawal zone.
Verfahren nach einem der vorhergehenden Verfahrensansprüche, dadurch gekennzeichnet, dass die Förderung zumindest in derjenigen Entnahmezone verlangsamt oder angehalten wird, in der ein zu entnehmendes Objekt nicht rechtzeitig entnommen wird und daher die Entnahmezone auf der Förderstrecke zu verlassen droht.Method according to one of the preceding method claims, characterized in that the delivery is slowed or stopped, at least in the removal zone in which an object to be removed is not taken in time and therefore threatens to leave the removal zone on the conveyor line.
Verfahren nach einem der vorhergehenden Verfahrensansprüche, dadurch gekennzeichnet, dass die Steuereinheit mithilfe von am Ende jeder Entnahmezone angeordneten Sensoren (L) zur positionellen Synchronisierung mit den auf der Förderstrecke verbliebenen Objekten (O) dergestalt ausgebildet ist, dass zu jeder Zeit bekannt ist, welches Objekt sich an welcher Position der Förderstrecke befindet und/oder befinden sollte.Method according to one of the preceding method claims, characterized in that the control unit is designed by means of arranged at the end of each removal zone sensors (L) for positional synchronization with the remaining on the conveyor line objects (O) in such a way that is known at any time, which object located at which position of the conveyor line and / or should be.
Verfahren nach einem der vorhergehenden Verfahrensansprüche, dadurch gekennzeichnet, dass eine akustische Anzeige signalisiert, dass ein in einer Entnahmezone zu entnehmendes Objekt nicht entnommen wurde.Method according to one of the preceding method claims, characterized in that an acoustic indication indicates that an object to be removed in a removal zone has not been removed.
Nachfolgend soll eine Ausführungsform der Erfindung anhand eines Figurenbeispiels näher erläutert werden. Dabei zeigt:
- Fig. 1
- eine schematische Draufsicht auf ein Sortiersystem mit drei Entnahmezonen und
- Fig. 2
- ein Steuerungsprinzip für das System gemäß
Fig. 1 .
- Fig. 1
- a schematic plan view of a sorting system with three extraction zones and
- Fig. 2
- a control principle for the system according to
Fig. 1 ,
Für jede Zone ist eine durch den arbeitenden Arbeiter jeweils leicht einzusehende Anzeigeeinheit A1, A2, A3 vorgesehen. Jede Anzeigeeinheit ist mit der Steuereinheit C verbunden und von dieser so ansteuerbar, dass für jedes in jede Entnahmezone gelangendes Objekt ein entsprechendes Symbol auf der Anzeige dargestellt wird. Die von der Steuereinheit den einzelnen Objekten zugeordneten Symbole unterscheiden sich nach Farbe, Form oder Bedeutung erfindungsgemäß dergestalt, dass die in der jeweiligen Entnahmezone zu entnehmenden Objekte anders dargestellt werden als diejenigen Objekte, die durch das Förderband in die benachbarte nächste Entnahmezone bewegt werden sollen. Dabei werden auf jeder Anzeige auch einige der zukünftig der jeweiligen Entnahmezone zugeführten Objekte symbolisch dargestellt, so dass die jeweilige Person bereits im Voraus erkennen kann, welches der nachfolgenden Objekte durch sie zu entnehmen ist und welches nicht.For each zone, a display unit A 1 , A 2 , A 3, which is easy to see by the working worker, is provided. Each display unit is connected to the control unit C and controlled by the latter so that a corresponding symbol is displayed on the display for each object entering each extraction zone. The symbols assigned to the individual objects by the control unit differ according to color, shape or meaning according to the invention such that the objects to be removed in the respective removal zone are represented differently than those objects which are to be moved by the conveyor belt into the adjacent next removal zone. In the process, some of the objects supplied in the future to the respective removal zone are represented symbolically on each display, so that the respective person can already see in advance which of the subsequent objects is to be taken from them and which is not.
Am Ende jeder Entnahmezone Z1, Z2, Z3 ist jeweils eine Lichtschranke L1, L2, L3 angeordnet, welche den Übertritt der Objekte aus einer in die benachbarte nächste Entnahmezone detektieren kann. Mithilfe einer solchen Lichtschranke und deren Auswertung durch die Steuereinheit lässt sich feststellen, ob ein Objekt tatsächlich anforderungsgemäß entnommen oder versehentlich auf dem Band belassen wurde. Dazu ist es erforderlich, dass die Steuereinheit, beispielsweise unter Auswertung der Transportgeschwindigkeit und der Scan-Zeitpunkte des Scanners, die Position der auf dem Förderband belassenen Objekte permanent nachvollzieht ("Tracking"). Ergibt sich dabei, dass ein Objekt fälschlicherweise nicht in einer ihm zugeordneten Entnahmezone entnommen wurde und stattdessen die Lichtschranke zur nächsten Entnahmezone unterbricht, kann der jeweilige Arbeiter mithilfe der Anzeige oder durch ergänzende akustische Mittel verstärkt auf das Erfordernis hingewiesen werden, das Objekt zu entnehmen. Notfalls kann die Bewegung des Förderbands vorübergehend verlangsamt oder ganz gestoppt werden, bis das Objekt ordnungsgemäß entnommen wurde.At the end of each removal zone Z 1 , Z 2 , Z 3 is in each case a light barrier L 1 , L 2 , L 3 is arranged, which can detect the passage of the objects from one to the next adjacent removal zone. By means of such a photoelectric barrier and its evaluation by the control unit, it can be determined whether an object was actually removed as required or accidentally left on the tape. For this purpose, it is necessary that the control unit, for example, by evaluating the transport speed and the scanning times of the scanner, the position of the objects left on the conveyor belt permanently traceable ("tracking"). If it is found that an object was not erroneously removed in a removal zone assigned to it and instead interrupts the light barrier to the next removal zone, the respective worker can be made more aware of the need to remove the object by means of the display or by additional acoustic means. If necessary, the movement of the conveyor belt may be temporarily slowed or stopped completely until the object has been properly removed.
Zweckmäßigerweise kann die Steuereinheit nicht nur unterschiedliche Symbole erzeugen für die in den unterschiedlichen Zonen zu entnehmenden Objekte (im vorliegenden Beispiel verschiedenfarbige Kreise), sie kann ferner wahlweise auch dasjenige Symbol H zusätzlich anzeigen, welches den in der jeweiligen Zone zu entnehmenden Gütern entspricht. Dadurch ergibt sich die besondere Flexibilität, Objekte mit einer bestimmten Eigenschaft (Lieferregion) in einem ersten Sortierprozess einer bestimmten Entnahmezone zuzuordnen, während in einem späteren Sortierprozess (beispielsweise am Folgetag) die Objekte für dieselbe Lieferregion einer anderen Entnahmezone zugeordnet werden können, etwa weil der entsprechende LKW dann an dieser Entnahmezone bereit steht.Conveniently, the control unit can not only generate different symbols for the objects to be taken in the different zones (in the present example differently colored circles), it can also optionally also indicate that symbol H, which corresponds to the goods to be taken in the respective zone. This results in the particular flexibility of assigning objects with a specific property (delivery region) in a first sorting process to a specific removal zone, while in a later sorting process (for example, on the following day) the objects for the same delivery region can be assigned to another removal zone, for example because of the corresponding Truck is then ready at this extraction zone.
Durch die "vorausschauende" Anzeige mehrerer Objekte in jeder Entnahmezone kann die dort zuständige Person vorteilhaft besser disponieren über möglicherweise entstehende zeitliche Lücken, in denen keine Objekte zu entnehmen sind und stattdessen beispielsweise der LKW beladen werden kann. Durch zusätzliche Anzeige von Produkteigenschaften, wie etwa Gewicht oder Gefahrgut, kann die Person des Weiteren im Voraus abschätzen, wie mit dem entsprechenden Objekt umzugehen ist.Due to the "anticipatory" display of several objects in each removal zone, the person responsible there can advantageously plan better about possible time gaps in which no objects can be removed and, for example, the truck can be loaded instead. By additionally displaying product characteristics, such as weight or dangerous goods, the person can further estimate in advance how to deal with the corresponding object.
In
Das Anzeigesystem erlaubt es ferner, die Transportgeschwindigkeit der Fördereinrichtung zu erhöhen, so dass der Entnahme- und infolgedessen auch der Verladeprozess zügiger erfolgen kann, mit dem Ergebnis, dass die Auslieferung früher beginnen kann. Der Sortierprozess insgesamt wird deutlich effizienter.The display system also makes it possible to increase the transport speed of the conveyor, so that the removal and, consequently, the loading process can be carried out more expeditiously, with the result that the delivery can start earlier. Overall, the sorting process becomes much more efficient.
Claims (6)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202016101278.3U DE202016101278U1 (en) | 2016-03-08 | 2016-03-08 | sorting system |
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| Publication Number | Publication Date |
|---|---|
| EP3216530A1 true EP3216530A1 (en) | 2017-09-13 |
| EP3216530B1 EP3216530B1 (en) | 2019-05-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909167A (en) * | 2019-03-29 | 2019-06-21 | 昆山新宁物流有限公司 | A kind of shipment sorting system |
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| CN110813768A (en) * | 2018-08-08 | 2020-02-21 | 北京京东振世信息技术有限公司 | Sorting visual positioning guide system and method |
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|---|---|---|---|---|
| US5794789A (en) * | 1995-12-13 | 1998-08-18 | Payson; William H. | Semi-automated integrated sort system |
| DE102005032533A1 (en) * | 2005-07-12 | 2007-01-18 | Verlagsgruppe Weltbild Gmbh | Arrangement e.g. for processing transfer of goods, has shelf mechanism having several available shelves with shelf marking or certification mechanism marks shelf planned as such for file of respective commodity or goods |
| US20090114575A1 (en) * | 2007-11-07 | 2009-05-07 | Siemens Energy & Automation, Inc. | Method and System for Tracking of Items |
| DE102008044833A1 (en) * | 2008-08-28 | 2010-03-04 | Siemens Aktiengesellschaft | Method and device for controlling the transport of an object to a predetermined destination |
-
2016
- 2016-03-08 DE DE202016101278.3U patent/DE202016101278U1/en active Active
-
2017
- 2017-03-07 EP EP17159610.9A patent/EP3216530B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5794789A (en) * | 1995-12-13 | 1998-08-18 | Payson; William H. | Semi-automated integrated sort system |
| DE102005032533A1 (en) * | 2005-07-12 | 2007-01-18 | Verlagsgruppe Weltbild Gmbh | Arrangement e.g. for processing transfer of goods, has shelf mechanism having several available shelves with shelf marking or certification mechanism marks shelf planned as such for file of respective commodity or goods |
| US20090114575A1 (en) * | 2007-11-07 | 2009-05-07 | Siemens Energy & Automation, Inc. | Method and System for Tracking of Items |
| DE102008044833A1 (en) * | 2008-08-28 | 2010-03-04 | Siemens Aktiengesellschaft | Method and device for controlling the transport of an object to a predetermined destination |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909167A (en) * | 2019-03-29 | 2019-06-21 | 昆山新宁物流有限公司 | A kind of shipment sorting system |
| CN109909167B (en) * | 2019-03-29 | 2024-04-05 | 昆山新宁物流有限公司 | Shipment letter sorting system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3216530B1 (en) | 2019-05-08 |
| DE202016101278U1 (en) | 2016-04-27 |
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