EP0144908B1 - Sortiermaschine mit verbesserter Leistung - Google Patents

Sortiermaschine mit verbesserter Leistung Download PDF

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Publication number
EP0144908B1
EP0144908B1 EP84114409A EP84114409A EP0144908B1 EP 0144908 B1 EP0144908 B1 EP 0144908B1 EP 84114409 A EP84114409 A EP 84114409A EP 84114409 A EP84114409 A EP 84114409A EP 0144908 B1 EP0144908 B1 EP 0144908B1
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EP
European Patent Office
Prior art keywords
sorting
objects
injector
line
routing
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
Application number
EP84114409A
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English (en)
French (fr)
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EP0144908A3 (en
EP0144908A2 (de
Inventor
Claude Pavie
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Generale D'automatisme Cga Hbs A Cie Ste
Original Assignee
GENERALE D'AUTOMATISME CGA-HBS Cie SA
Compagnie Generale dAutomatisme CGA HBS SA
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Publication of EP0144908A2 publication Critical patent/EP0144908A2/de
Publication of EP0144908A3 publication Critical patent/EP0144908A3/fr
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Publication of EP0144908B1 publication Critical patent/EP0144908B1/de
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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
    • B07C3/00—Sorting according to destination
    • B07C3/02—Apparatus characterised by the means used for distribution
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S209/00—Classifying, separating, and assorting solids
    • Y10S209/90—Sorting flat-type mail

Definitions

  • the invention relates to an improved flow sorting machine of the type used in postal sorting.
  • a machine can find its application in other fields in particular in banks for sorting checks, and in general it can be used whenever the problem arises of the distribution of large batches of objects. number according to their destinations.
  • a sorting machine comprises an injector connected under the control of a control circuit to a plurality of sorting lines in parallel with each other.
  • the injector includes a magazine where the objects to be sorted are filled, a destacker to extract the objects from the magazine one by one, and a detection device to recognize, as they are extracted, the destinations to which each of the objects must be addressed. .
  • the control circuit receives the detected signals and develops sorting orders which it sends to the sorting lines.
  • Each sorting line includes a plurality of receptacles, each of these receptacles being assigned to a given destination. The set of receptacles for all sorting lines covers all of the possible destinations to which each of the objects can be addressed.
  • Sorting machines are designed to have a nominal flow.
  • the injector is designed to work at this nominal flow rate.
  • the theoretical nominal flow rate of each of the sorting lines must be at least equal to the nominal flow rate of the injector.
  • For each sorted object only one of the sorting lines is selected. This means that regardless of the speed with which the selection of a sorting line is carried out among all the sorting lines, one can note an underuse of all the sorting lines which have not been selected.
  • the Applicant thus knows sorting machines with eight sorting cloths in parallel, each of the sorting lines comprising 24 receptacles. Thus, out of the 192 possible destinations, at any time, only the 24 belonging to a sorting line are requested.
  • the sorting machine known from document DE-A-2 742 802 comprises at least two object injectors to a set of parallel sorting lines carried out respectively.
  • objects X, Y having different distinctions
  • routing strands hold the output of each injector at the input of each of the sorting lines
  • a member for detecting an indexing of destination carried by each object arranged at the outlet of each of the injectors, upstream of said routing strands, designate the sorting line for each object originating from this injector and controls its orientation on the strand proper routing
  • means for dynamic storage of objects from the injectors are mounted at the entrance to each sorting line, they collect all of the objects injected on the routing strands leading to a junction point at the entrance to this sorting line sorting.
  • a separator then ensures the supply of this line at an optimal rate while a subsequent reading device controls the sorting on this line.
  • This machine gives no priority to either of the injectors relative to a sorting line. If several objects arrive at the junction of the routing strands at the entrance of one of the lines at the same time, they create problems of correct entry of the objects which can cause jams and affect the operation of the machine.
  • the object of the present invention is to remedy these drawbacks by avoiding problems of destination conflicts which arise when several objects from different injectors are intended for the same sorting line.
  • an improved flow sorting machine comprising at least two object injectors to a set of parallel sorting lines assigned respectively to objects having different destinations, routing strands connecting the output of each injector at the entrance to each of the sorting lines, a device for detecting a destination indexing carried by each object, arranged at the output of each of the injectors, designating the sorting line for each object coming from this injector and controlling its orientation on the suitable routing strand, and means for dynamic storage of objects from the injectors, characterized in that said dynamic object storage means are mounted individually on said routing strands, with the exception of a only one of these strands per sorting line which is said to be a direct routing strand, and are controlled to temporarily store the object from the corresponding injector when the sorting line i designated for this object is identical to that designated for another object originating substantially at the same time from another injector and for unitary insertion of the objects stored in the corresponding sorting line as soon as this sorting line is not designated for any object by no injector.
  • Figure 1 shows a sorting machine according to the invention.
  • This machine comprises an injector 1 for injecting objects into at least two sorting lines 2 and 3 respectively.
  • the injector 1 comprises a magazine 4 for objects associated with a destacker.
  • the objects extracted from the magazine 4 pass in front of a read head 5, or more generally a detection member, which sends a read signal, L i , of an indexing written on one face of the extracted object and which is opposite of the read head.
  • the signal L 1 is received by a control circuit 6 which develops an orientation order OD1 to designate which of the two sorting lines has been chosen.
  • Circuit 6 furthermore produces a sorting order, OT1 or OT2 depending on the sorting line in question, to store this object in its destination receptacle.
  • a second injector 9 similar to the first 1 is connected in parallel with the latter by means of orientation 7.
  • This injector 9 also includes a magazine 10 associated with a destacker as well as a read head 11 which sends a read signal L 2 to the control circuit 6.
  • the injector 9 is supplied with batches of objects whose spectra of the destinations are similar to the spectra of batches of objects with which the injector is supplied 1.
  • In the means of orientation 7 in series with the injector 9 is provided with a bifurcation 12, materialized by a point, which allows the delivery of an object injected by 9 respectively to the sorting line 2 or the sorting line 3.
  • the strands of routing 13 and 14 coming from the bifurcation 12 are connected, respectively by the confluences 15 and 16 materialized by small circles, to the paths which connected the injector 1 respectively to the sorting lines 2 or 3.
  • X the objects to be stored in receptacles those such as 17 of sorting line 2 and Y those which must be stored in receptacles 18 of line 3
  • injector 1 injects an object X at the same time as injector 9 injects an object Y
  • those -these are stored, under the effect of orientation orders OD1 and OD2 and sorting orders OT1 and OT2, respectively in their receptacle in lines 2 and 3.
  • the injector 1 injects an object Y and the injector 9 an object X
  • the bifurcations 8 and 12 are reversed under the effect of the orders OD1 and OD2 to orient these objects respectively towards the sorting lines 3 and 2.
  • the invention provides for having a dynamic storage means, 19 or 20, opposite each of the sorting lines 2 and 3 respectively.
  • the storage 19 temporarily intercepts the objects X injected by 9 and intended to line 2, while a direct routing strand 21 allows the injector 1 to introduce its object X directly into line 2.
  • the assembly 22 of the dynamic storage means then comprises two direct routing strands , the strand 21 and a strand 23, identical to the strand 21 and playing the same role but between the injector 9 and the sorting line 3, as well as the two dynamic storages 19 and 20.
  • a bifurcation 24 allows the taking of a object X outside the strand 23.
  • a confluence 25 allows the insertion of this object X delivered by the storage 19 into the strand 21.
  • a bifurcation 26 and a confluence 27 play the same role respectively with respect to the strand 21 at storage 20 and at strand 23: they relate to objects Y.
  • the block diagram in FIG. 1 can work slightly differently.
  • the orientation means 7 are eliminated and only the means 22 for eliminating conflicts remain. If injector 1 injects an object X and injector 9 an object Y there is no problem. If injector 1 and injector 9 both inject an object X, or both an object Y, the routing of these objects will be obtained by temporarily retaining one of the objects in the storage 19 or 20 concerned. On the other hand, if the injector 1 injects an object Y and the injector 9 an object X the routing of these objects will vera lines 3 and 2 respectively will be obtained by letting through the storage 20 and 19, and therefore without retaining them temporarily, the Y and X objects concerned.
  • a second operating variant may consist in maintaining the existence of the orientation means 7 and the means of dynamic storage 22, to sort previously only the configurations XY or YX and to sort only one object of the configurations XX or YY.
  • the actual speed of lines 2 and 3 is not doubled, but it is at least equal and, in most cases, greater than the real speed of the cited prior art. Intuitively, we can admit that this real flow is approximately equal to one and a half times the real flow of the cited art.
  • the control circuit 6 operates in the following manner the detected signals L, and L 2 are introduced on a comparator 28 which determines whether there is a conflict situation or not.
  • a decision circuit 29 is activated by the comparator 28. It produces on the one hand a couple of orientation orders OD1-OD2 addressed to bifurcations 8 and 12 respectively to orient the objects towards their respective sorting lines.
  • a validation signal V which validates the transmission of the signals L, and L 2 to sorting order circuits 30 and 31. To do this, the signal V is introduced on gates allowing or blocking the transmission of the signals L, and L 2 to circuits 30 and 31.
  • the decision circuit 29 switches the bifurcations 8 and 12 by the orders OD1 and OD2 in the appropriate positions, and secondly the signal V by its polarity allows the transmission by the gate 32 of the signal L, to circuit 30 and by the gate 33 of the signal L 2 to the circuit 31.
  • the orders OD1 and OD2 are reversed, the polarity of the signal V is reversed and the gate 34 allows the transmission of L, to the circuit 31 while the gate 35 allows the transmission of L 2 to the circuit 30.
  • the circuits 30 or 31 are circuits known from the state of the art. Their mission consists in putting into service a receptacle such as 17 or 18 of one of the sorting lines to receive an object whose indexing read (the address) is L, or L 2 .
  • the comparator 28 activates a test circuit 36 which recognizes whether the conflict is of type X-X or of type Y-Y. In both cases the test circuit 36 delivers identical OD1 and OD2 orders. In doing so, the objects are found at the output of the orientation means 7 on two different paths; that is to say accessing different bifurcations, 24 and 26, of the means 22. In case XX the object injected by the injector 1 borrows for example the strand 21 of the means 22 and the object injected by 9 meets the bifurcation 24. This is activated in this case by a blocking order OR2 elaborated by the test circuit 36 so that the object comes to stop in storage 19.
  • the orientation means 7 are inverted and the objects X and Y are also stored in sort lines 2 and 3.
  • event 4 which is the complement of event 2
  • the object Y injected by 9 is stored in line 3 while the object Y injected by 1 is stopped in the storage 20.
  • event 5 which is the complement of event 4
  • an object X is sorted, the other object X is stored in storage 19, and the content of storage 20 is sorted in line 3.
  • event 6 identical to event 1 the two objects X and Y are sorted while the storage 19 still keeps blocked the object X whose progression it had stopped.
  • the recovery of the object X outside of storage 19 at the time of event 4, and of the object Y outside of storage 20 at the time of event 5, is organized by a set of recovery orders OS2 and OS1 also developed respectively by the test circuit 36.
  • OS2 and OS1 also developed respectively by the test circuit 36.
  • the order S02 to empty the storage 19 at the time of the event 4 is given at the same time as the order OD2 of orientation of an object Y towards the strand 23.
  • the object Y injected by 1 is stored in the buffer 20 under the effect of the blocking order OR1.
  • an order OS1 developed at the same time as OD1 releases the object Y contained in the storage 20 in the direction of the sorting line 3.
  • an order .OR2 acting on the bifurcation 24 ensures the storage of the object X originating from the injector 9 in the storage 19.
  • Figure 3 shows a top view of an improved flow sorting machine implementing the principle shown in Figure 1.
  • the sorting machine of FIG. 3 represents a postal sorting machine.
  • the objects to be sorted are postal envelopes or letters, the main characteristic of which is that they are flat. In this machine all flat objects are stored, transported, and sorted substantially on edge.
  • the store 4 comprises a supply bench 37 and a destacker 38.
  • the bench 37 is of the type described in the French patent application of the applicant n ° 77 05935. It comprises in particular a set of retractable fingers such as 39, moving in the direction of arrow F towards the destacker
  • the flat objects to be sorted 40 can be stored manually on edge between these fingers.
  • the bench 37 also has means for aligning against a jogging edge 41 the vertical edges of the objects. In the vicinity of the destacker 38 the fingers 39 retract.
  • the unstacker 38 is of the type described in the French patent application of the applicant n ° 82 02794. It comprises in particular a wind box 42 for attracting against it a first object to be unstacked and a hollow drum 43 with controlled vacuum.
  • the drum 43 is of the type rotating continuously in the direction of the arrow G. It is provided over its entire periphery with holes communicating with its interior.
  • the holes, arranged on the generator of this drum facing the objects to be unstacked, are put in contact with a vacuum source controlled in such a way that by turning on itself this drum grasps the first object pressed against it and the introduce into a conveyor 44.
  • the vacuum source connected to the wind box 42 and to the drum 43 as well as the means for controlling this source are not shown.
  • the means of transporting the flat objects consist in the example of FIG. 3 of belt conveyors allowing the routing of the flat objects 40 by pinching these objects between two belts pressed against one another.
  • Each of the conveyors is therefore determined by two lap belts along its route.
  • the direction of movement of each of the belts is recalled by arrows to indicate the circuit they take around pulleys such as 45 marked on the whole figure by small dots. Some of these pulleys are crazy, others are motorized.
  • the belt conveyors can be replaced for sorting flat objects by pulley conveyors as well as by any other known means when it comes to sorting objects other than flat objects.
  • these conveyors can be in different horizontal planes. and / or be twisted at the point of their crossing.
  • the representation of the bifurcations 8, 12, 26 or 24 as well as of the confluences 15, 16, 25 and 27 is given by FIG. 4.
  • An example of embodiment of the storage 19 or 20 is given by FIG. 5.
  • Figure 3 What differentiates Figure 3 from Figure 1 is the presence, upstream of each sorting line 2 and 3, of read heads 46 and 47 respectively.
  • the advantage of this second set of read heads is allow the storage in the sorting lines of objects that had been stored in storage 19 or 20. Indeed, under these conditions ( Figure 1) these are the signals L 3 and L 4 emanating from this second set of read heads which are introduced into the order circuits 30 and 31 under the effect of the gates 32 and 33. Of course, in this case the signals L 1 and L 2 are not connected to the circuits 30 and 31.
  • the installation of this second reading game is equivalent to storing, during the entire period of its storage in a storage 19 or 20, of the address of the object X or Y respectively which is maintained there. From this point of view, the presence of this second set of read heads is equivalent as a means to the presence of a memory circuit in the control circuit 6 for memorizing these addresses.
  • the receptacles 17 or 18 are of the type described in the applicant's French patent application No. 81 19080. They are characterized by a device for stacking on edge comprising two belts, a passage belt 48 and a stacking belt 49.
  • the passing belt 48 is frictionally driven by a main conveyor belt, for example the belt 50 of the sorting line 2.
  • the belt 49 is frictionally driven by the belt 48.
  • the belt 49 and the pallet 52 are slightly inclined relative to a jogging edge 53 against which the stacked objects.
  • the pallet 52 is pushed back towards the stacking belt 49 by elastic means which are not shown.
  • the sorting bodies such as 54, receiving the sorting orders OT1 or OT2, are represented in FIG. 6.
  • FIG. 4 shows the bifurcation 8.
  • This bifurcation separates the conveyor 44 into two conveyors 56 and 57.
  • the belts which form these conveyors rotate in the direction of the simple arrows around the pulleys 58 to 60.
  • An orientation flap 61 is actuated by a motor not shown around an axis 62 as a function of the command of this motor by the order OD1.
  • the flap 61 can take two positions. The solid line position allows an object to be deflected from the conveyor 44 to the conveyor 57 and the dashed position allows an object to pass from the conveyor 44 to the conveyor 56.
  • the flap 61 has two wings protruding below and above the belt 44 to bear without risk on the back of the flat object to be deflected.
  • the realization of a confluence comprises the same elements as a bifurcation minus the flap 61 and its motor. In this case the directions of the belts are reversed. All the objects introduced by the conveyors 56 or 57 are taken into account by the conveyor 44.
  • the direction of movement of the belts in a bifurcation is the direction marked by the simple arrow, the direction of movement for a confluence is the direction marked by the double arrows.
  • FIG. 5 shows a dynamic storage 19.
  • This storage 19 is a unit storage because it makes it possible to temporarily store a single object. It essentially comprises two guides 63 and 64 held slightly above h, of an endless conveyor belt 65.
  • the belt 65 is driven by pulleys 66 and 67 permanently in the direction of the arrows H.
  • For reasons of holding the two guides 63 and 64 can be joined by an upper spacer 68. The space separating the
  • a barrier 71 comprises two bars 72 and 73 to oppose the progression of an object 74 under the effect of the conveyor belt 65 on which this object rests by its lower edge.
  • the bars 72 and 73 are separated by a spacing 55 which allows the barrier 71 to be erased in rotation around a pivot 75 without striking the conveyor 70.
  • the pivot 75 held by bearings such as 76 is integral with a motor 77 is held by a ring 78. Under the effect of an order OS2 issued by the circuit 6 the motor 77 drives the rotation of the pivot in a direction of the double arrow K to allow the opening or closing of the barrier.
  • the storage 19 described is entirely suitable for the implementation of the first variant mentioned above.
  • the orientation means 7 are merged with the means 22 for avoiding conflicts. Indeed, by keeping the barrier 71 open, an object introduced by the conveyor 69 goes directly without stopping in the conveyor 70.
  • the storage 19 can be replaced by a dynamic storage device for the first-in-first-out type, described in the applicant's French patent application No. 82 20306.
  • the stored objects are kept on edge and are gathered in bundles by fingers mounted on straps placed at the front and back of each package. They are introduced therein by a stacker located at the entrance to this storage and they are extracted therefrom by a destacker located at the exit from this storage. Under these conditions, the unstacking order of the destacker located at the output of this dynamic storage device is the OS2 order.
  • This dynamic storage device has the particularity of being able to operate at the output regardless of what happens at its input. He can therefore either receive and deliver objects at the same time, or only perform one of these two actions on a given date.
  • the capacity of this storage device can be of the order of several hundred letters, it is quite possible to operate it according to the second variant mentioned above. That is to say that each time there is a conflict, one of the objects generating the conflict is stored in a dynamic storage device.
  • the contents of these dynamic storage devices are sorted later when the injectors are empty or possibly when these dynamic storage devices are themselves full. In the latter case, the injection is temporarily stopped. In this second phase, the flow of sorting lines can be nominal.
  • FIG. 6 represents or switch flap 54 to be mounted at the entrance to the receptacles 17.
  • the flap 54 motorized by a motor 79 can rotate in the direction of the double arrow M when it receives a sorting order OT1.
  • An object conveyed between the belt 50 and the belt 48 of a previous receptacle comes into contact with the wings 80 and 81 of the flap 54; it is deflected towards the stacking belt 49 of the receptacle 17 chosen when these wings deflect its course.
  • the sorting machine with improved flow rate can comprise as many injectors as sorting lines.
  • the orientation means 7 comprising bifurcations and confluences, directly opposite each injector, in number equal to the total number of injectors minus one unit. As here there are three injectors there are effectively two bifurcations and two confluences in series with each injector. It is recalled that the confluences are materialized by small circles and the bifurcations by small points.
  • the means 22 for avoiding conflicts there are as many dynamic storage means as there are sorting lines to be served. We can see the previous storage 19 and 20 to serve sorting lines 2 and 3 as well as storage 86 to serve sorting line 83.
  • the table in FIG. 8 proposes a sequence of events of the same type as that of FIG. 2 but now relating to three injectors. What happens during the first three events of this table is quite comparable to the operation described above. On the other hand, a peculiarity occurs during the fourth event where the dynamic storage means 19 receives two X objects at the same time. At the end of event 4 the storage 19 therefore comprises three objects X that received at event 3 and the two receipts at event 4. He even receives a fourth at the time of event 5.
  • the generalization of the invention can therefore lead to having to solve two problems: firstly that which consists in creating a unitary dynamic storage which can receive more of an object, and secondly able to receive these objects' at moments very close to each other.
  • FIG. 9 shows a repository 87 capable of solving the problems mentioned.
  • This repository 87 has an inlet 88 and an outlet 89. Between this inlet and this outlet it is divided into a bundle of four unitary storages in parallel, the storages 90 to 93, by means of three cascade bifurcations 94 to 96 and three confluences in series 97 to 99. These bifurcations and these confluences can be of the same type as those represented on the fiugre 4. Unit storage in parallel can be mounted on the same conveyor belt.
  • Storage 90 to 93 is hierarchical. For example, in a case the storage 90 has priority and precedes the storage 91, 92 and 93.
  • This hierarchy undergoes a circular permutation of a notch (91, 92, 93, 90) each time that an object is extracted from the priority unit storage.
  • This can be obtained by sending the orders OS1 or OS2, through a shift register 110 with four boxes.
  • Each of the boxes in turn sends an order to individualized monostables 111 to 114 to control the motor of a barrier of a unitary storage.
  • the orders, OU1 to OU4 issued by these monostables then temporarily open the barriers before closing them.
  • the switching of the introduction of objects into the hierarchical storage can be obtained by placing a detector such as 100 to 102 at the location of each bifurcation. Each of these detectors switches the position of the orientation flap of this bifurcation as soon as it has seen an object pass.
  • the connection between a detector and its orientation flap can be direct, which allows rapid action.
  • the injectors operated in a synchronous manner and, to simplify the explanation, at constant step.
  • the expression with constant means that objects are injected 'by the injectors in regular cadence regardless of size and mainly their length.
  • injectors with constant spacings are known.
  • the special feature of these injectors is that the space between the rear of a previous object and the front of the next object is constant all along the conveyors.
  • the use of such injectors moreover more efficient than the injectors with constant pitch is also possible with the device of the invention.
  • the lengths of the conveyors are known by construction.
  • the length of the objects injected is known by measuring the time difference between the injection of two successive objects by the same injector.
  • the comparator 28 comprises in addition to the comparison of the addresses (L l , L 2 ) of the time measurement inputs. It then includes decoders tabulated as a function of the theoretical time taken by an object to arrive in the conflict zone.
  • the information on the presence of conflict that it draws up is therefore the combination of, on the one hand, addresses relating to the same sorting line and, on the other hand, a predictable simultaneous presentation of objects in the conflict zone.
  • the invention has a particularly advantageous application when the injectors are replaced by indexing stations.
  • a human operator sees the objects extracted from a store, which looks like store 4 for example, scroll before him. This operator reads the indications carried on the object.
  • he uses a keyboard to generate a code representing the destination of the object presented.
  • This code can also be printed by any means in a suitable location on one side of this object. In all cases, this code is subsequently taken into account by the control means 6 in the same way as a signal L1 which would have been produced by a read head.
  • human operators are much slower than an automatic injector delivering at a normal rate. To get as close as possible to this rhythm, it is known to have several indexing stations in series.

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

Claims (3)

1. Sortiermaschine verbesserter Leistung, mit mindestens zwei Einspeisern von Gegenständen in eine Anlage aus parallelen Sortierstrecken (2, 3), die jeweils Gegenständen (X, Y) verschiedener Bestimmungsziele zugeordnet sind, mit Förderstrekken, die den Ausgang jedes Einspeisers mit dem Eingang jeder Sortierstrecke verbinden, mit einem Organ (5, 11) zur Erfassung der an jedem Gegenstand angebrachten Bestimmungsangabe, das am Ausgang jedes Einspeisers angeordnet ist, das jedem der von diesen Einspeisern ausgegebenen Gegenständen die Sortierstrecke zuweist und ihre Einweisung auf die passende Förderstrecke steuert, und mit Mitteln (19, 20) zur dynamischen Speicherung der von den Einspeisern kommenden Gegenstände, dadurch gekennzeichnet, daß die Mittel (19, 20) zur dynamischen Speicherung der Gegenstände einzeln über den Förderstrecken angebracht sind, mit Ausnahme einer einzigen dieser Förderstrecken je Sortierstrecke, auch direkte Förderstrecke (21, 23) genannt, und daß die Mittel so gesteuert werden, daß sie eine zeitweilige Speicherung des vom entsprechenden Einspeiser abgegebenen Gegenstands bewirken, wenn die dem Gegenstand zugewiesene Sortierstrecke mit derjenigen identisch ist, welche einem anderen, im wesentlichen gleichzeitig von einem anderen Einspeiser ausgegebenen Gegenstand zugewiesen wurde, und die gespeicherten Gegenstände in die entsprechende Sortierstrecke einzeln eingeben, sobald diese Sortierstrecke nicht mehr einem Gegenstand von einem Einspeiser zugewiesen wird.
2. Sortiermaschine nach Anspruch 1, dadurch gekennzeichnet, daß die Mittel zur dynamischen Speicherung eine hierarchisierte Gruppe (90, 93) von Einzelmitteln zur dynamischen Speicherung eines einzelnen Gegenstands sowie Mittel (110) zur Reorganisation dieser Hierarchie von Einzelmitteln umfassen, wenn ein Einzelmittel mit Prioritätsrang einen Gegenstand in die Sortierstrecke eingespeist hat.
3. Sortiermaschine nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, daß sie weiter Mittel (7) zur direkten Einweisung der Gegenstände in die verschiedenen Sortierstrecken aufweist, welche jeden Einspeiser (1, 9) mit den entsprechenden Strecken über die direkten Förderstrecken (21, 23) verbindet, die so gesteuert werden, daß eine sofortige Einweisung der zur gleichen Zeit von den Einspeisern abgegebenen Gegenständen bewirkt wird, welche untereinander verschiedene Bestimmungsziele haben.
EP84114409A 1983-12-02 1984-11-29 Sortiermaschine mit verbesserter Leistung Expired EP0144908B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8319319A FR2555917B1 (fr) 1983-12-02 1983-12-02 Machine de tri a debit ameliore
FR8319319 1983-12-02

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EP0144908A2 EP0144908A2 (de) 1985-06-19
EP0144908A3 EP0144908A3 (en) 1985-07-24
EP0144908B1 true EP0144908B1 (de) 1989-01-04

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US (1) US4615446A (de)
EP (1) EP0144908B1 (de)
DE (1) DE3475882D1 (de)
FR (1) FR2555917B1 (de)

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US4615446A (en) 1986-10-07
EP0144908A3 (en) 1985-07-24
FR2555917B1 (fr) 1988-01-15
FR2555917A1 (fr) 1985-06-07
DE3475882D1 (en) 1989-02-09
EP0144908A2 (de) 1985-06-19

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