EP1003684B1 - Feeding machine - Google Patents

Feeding machine Download PDF

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Publication number
EP1003684B1
EP1003684B1 EP98948830A EP98948830A EP1003684B1 EP 1003684 B1 EP1003684 B1 EP 1003684B1 EP 98948830 A EP98948830 A EP 98948830A EP 98948830 A EP98948830 A EP 98948830A EP 1003684 B1 EP1003684 B1 EP 1003684B1
Authority
EP
European Patent Office
Prior art keywords
conveyed
conveyor belt
feeding machine
conveyor
machine according
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
EP98948830A
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German (de)
French (fr)
Other versions
EP1003684A1 (en
Inventor
Stephan Will
Martin Sting
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.)
Pitney Bowes Tech GmbH
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Pitney Bowes Tech GmbH
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.)
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Publication date
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Publication of EP1003684A1 publication Critical patent/EP1003684A1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • B65H5/023Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts between a pair of belts forming a transport nip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00Supports or magazines for piles from which articles are to be separated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66Advancing articles in overlapping streams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00Separating articles from piles
    • B65H3/34Article-retaining devices controlling the release of the articles to the separators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • B65H5/025Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts between belts and rotary means, e.g. rollers, drums, cylinders or balls, forming a transport nip
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00Feeding articles separated from piles; Feeding articles to machines
    • B65H5/24Feeding articles in overlapping streams, i.e. by separation of articles from a pile
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/20Belts
    • B65H2404/26Particular arrangement of belt, or belts
    • B65H2404/261Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip

Definitions

  • the invention relates to a loading device for loading flat, flexible, in stacks entered goods, especially envelopes, in a station for further individual handling.
  • Feeding devices are generally known, where the material to be conveyed is a stack of items to be conveyed entered into magazines from which the Items conveyed individually, for example by means of Suction rolls or grippers, pulled off and into a station be handed over for further, individual handling.
  • U.S. Patent 5,161,792 shows one Feed channel of a feeder with in this conveyor channel arranged conveyor belts Movement of stacks from the edge Conveyed items in the direction of a discharge channel, in which opposing Conveyor belt units the individual pieces of conveyed goods convey scaled upwards.
  • the object of the present invention is a loading device to give up flat, flexible material conveyed in stacks, especially from envelopes, in one station to another individual handling so that none strong limitation of the number of stacks entered Conveyed goods must be made and a Temporary storage of the conveyed items in one Magazine is avoided.
  • the loading device of the here proposed type contains, as can be seen from Fig. 1 is an inclined downward Feed conveyor channel 1 for receiving stacks 2 of Conveyed goods 3, which in the from FIG. 2nd evident way placed in the feed channel 1 become.
  • a discharge channel 4 leads from the lower end of the Feed channel 1 obliquely upwards.
  • the slope of the Feed channel 1 is chosen to be large enough to be inside large stacks of items to be conveyed down into To let slip towards the discharge channel 4, but at the same time sufficiently low to the pressure of the Limit the stack to the lowest conveyed item.
  • the feed channel 1 and the discharge channel 4 have a common right, seen in the direction of conveyance, angular side wall 5, a common, angular bottom 6 and a common one, in Direction of delivery seen left, angular side wall 7.
  • the side wall 7 is attached to it on free leg with oblong holes in the angle 1 apparent in certain formats of the conveyed items in the direction transverse to the conveying direction adjustable.
  • the bottom 6 of the feed channel 1 and Abinnekanals 4 is at the transition between the two Channels in the manner shown in FIG. 1 cut out such that the upper debris 8 out of three Conveyor belts 9 of a first conveyor belt unit 10 the bottom of the discharge channel 4 can be guided.
  • the upper debris of the conveyor belts 9 thus follow that Course of the discharge channel 4 obliquely upwards and then go to the upper end of pulleys 11 supported in a horizontal course parallel to Level of a transfer table 12 above.
  • the transfer table 12 is provided with longitudinal slots from which the Upper debris of the conveyor belts 9 in her horizontal section something about that Protrude table level.
  • the lower debris of the conveyor belts 9 are over suitably positioned roles below the Transfer table 12 and below the floor of the Abddykanals 4 at the beginning of the conveyor near the transition between the feed channel and the discharge channel recycled.
  • the first conveyor belt unit 10 Above the rubble 8 of the conveyor belts 9 the first conveyor belt unit 10 is a second Conveyor belt unit 13, the lower rubble of one Area before the change of direction of the upper rubble 8 to Horizontal run up to an area above the first Conveyor belt unit 10 in the horizontal section Opposite the first conveyor belt unit stand.
  • This course of the conveyor belts 14 of the second Conveyor belt unit 13 is from FIGS. 1 and 2 without to recognize more. How symbolic by that Dashed line 15 indicated in Fig. 2, run the conveyor belts 9 of the first conveyor belt unit 10 and the conveyor belts 14 of the second conveyor belt unit 13 in sync. They are indicated by 16 in FIG indicated drive device put into circulation.
  • the bottom of the discharge channel 4 is in one area between two conveyor belts 9 of the first Conveyor belt unit 10 with one in the conveying direction oriented cutout 17, from which something beyond the level of the bottom of the discharge channel 4 the upper run 18 of a circulating belt 19 (see Fig. 2) protrudes, the surface of which is low-friction.
  • the circulating belt 19 is, as in Fig. 2 by the dash-dotted line 20 is indicated symbolically, synchronous and rectified to the conveyor belts 9 of the driven first conveyor belt unit 10.
  • a stripper 21 acts as a counter surface, the training of which can be seen in detail from FIG. 3 is.
  • a guide rail 22 is arranged, in which a Carriage 23 in a direction parallel to Delivery direction of the discharge channel 4 adjustable is held.
  • the carriage 23 carries an arm 24 a wiper block 25, which in its lower part an approximately wedge-shaped wiper strip 26 made of rubber or plastic holds.
  • the wiper strip 26 is a Pre-scraper 27 upstream.
  • the distance of the bottom Edge of the wiper strip 26 from the surface of the Upper run 18 of the circulating belt 19 is by means of a setting knob 28 adjustable. Adjust by of the carriage 23 in the direction of the guide rail 22 can the position of the adjustment block 25 of the Scraper 21 to take into account the dimension of the Conveyed goods in the conveying direction along the upper run 18 of the circulating belt 19 can be set.
  • the one with the upper run 18 of the circulating belt 19th as a counter surface interacting wipers 21 and Upper debris 8 of the conveyor belts 9 thus cause that between the conveyor belt units 10 and 13 scaled or staggered stream of Conveyed goods 3 arrives, the overlap distance or graduation distance on the stripper 21 is set.
  • This scaled or staggered Stream of conveyed items 3 occurs on the output side between the conveyor belt units 10 and 13 on the Transfer table 12, which on a Tapping device 30 leads there in certain Distance from the output side of the first and second Conveyor belt unit is located and serves the front edge of the foremost conveyed item 3 to seize the scaled material flow and to subtract the piece of conveyed material in question in order to further handling or processing supply.
  • the removal device 30 can in the Fig.
  • FIG. 2 embodiment shown the shape of a Have conveyor chain 31, which from a drive 32nd is started cyclically as soon as one of the Conveyor chain 31 attached gripper 33 has captured the leading edge of a conveyed item 3.
  • the upper claw of the gripper 33 is of spring means in the closed position against the lower gripper claw biased and will, as soon as the conveyor chain 31 Has gripper pliers 33 in the receiving position, by starting a cam of the upper gripper claw a cam 34 opened.
  • Cam 34 can be closed by a drive 35 Gripper tongs are lowered.
  • detectors for example Proximity detectors or light barriers report the respective operating position of the conveyor chain 31 and Gripper pliers 33.
  • the conveyor chain 31 is located in that in FIG. 2 indicated operating position in which the gripper tongs 33 is receptive and open, one of them gives Drive or a resolver derived from the same Control signal from a control unit 36 a Request message via a control line 37 causes the drive 16 to the conveyor belt units 10th and 13 and the circulating belt 19 is put into operation and finally in the manner previously described the discharge side of the conveyor belt units 10 and 13 scaled flow of conveyed goods on the transfer table 12 exits.
  • One following the detector 38 in the conveying direction second detector 39, which in turn from one in the Transfer table 12 mounted light barrier can be formed can then cause fine control of the drive 16 by the control unit 36 in such a way that the leading edge of the first conveyed item scaled material flow completely between the Gripper claws of the gripper tongs 33 is moved in and then through the upper gripper claw of the gripper tongs 33 Actuation of the cam plate 34 by means of the drive 35 is closed, after which the drive 32 is switched on is and the conveyor chain 31 to the first conveyed good its leading edge with reference to that in FIG. 2 shown position and position of the components subtracts to the left.
  • the distance between that forming the detector 39 Light barrier and the bottom of the gripper 33 is so chosen that after the deduction of the first Piece of conveyed goods from the shingled flow of conveyed goods Light barrier or the detector 39 released again and for the fine positioning process of the then the first additional item to be conveyed is available. In any case, the distance mentioned is smaller than the minimum graduation distance or scaling distance of the conveyed items.
  • the distance between the gripper 33 in the receiving position from the exit side of the gap between the Conveyor belt units 10 and 13 are selected so that a with its leading edge from the gripper 33 Conveyed piece of conveyed goods with its rear edge still held between the conveyor belt units 10 and 13 is.
  • the removal device 30 and the transfer table 12 designed as a unit and on a trolley or carriage 40 movable in the conveying direction and adjustable so that the distance between the in Pickup position located gripper 33 and Output side of conveyor belt units 10 and 13 changed according to the format of the conveyed items can be.
  • the roles to support the conveyor belts of the conveyor belt unit 13 are mounted on a common frame, the in turn around a horizontal one, to the bearing axes of the Rollers parallel axis can be pivoted such that the entire conveyor belt unit 13 for maintenance work or to eliminate interference from the Conveyor belt unit 10 is pivoted up.
  • Relevant constructions familiar to the person skilled in the art as well as means for holding down the conveyed items in the area above the transfer table 12 are for Simplification of the representation in the drawing omitted.
  • the removal device 30 can be operated according to the method shown in FIG. 4 shown modified embodiment also a Coupling pairs forming opposite one another Acceptance conveyor belts or rollers 41 and 42 contain the take-off conveyor rollers 42 by a drive 43 either lifted into a rest position or into one Conveying position against the acceptance conveyor belts 41 are lowerable. With this type of acceptance device 30, the conveyor belts 41 can run continuously.
  • the upper run 18 of the revolving Volume 19 is a support and support surface for the Provide upper run 18, for example through part of the Soil 6 in that area of the upper run 18, about which way to set the format of the strippers 21 can be adjusted in the conveying direction of the belts 9.
  • resolver output signals of the drive 32 for the conveyor chain 31 is determined when and via which Periods or drive section sections of the drive 16 for the conveyor belt units 10 and 13 in operation is set.
  • Detectors 38 and 39 determine as Subordinate tax funds promoting the scaled material flow into the Gripper 33 or in the conveyor gap between the Conveyor belts 41 and the pressure rollers 42 (Fig. 4).
  • Flaking or staggering is also a condition of To understand conveyed goods, in which these each other no longer overlap but already completely can be promoted individually to the transfer table 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
  • De-Stacking Of Articles (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Description

Die Erfindung betrifft eine Beschickungseinrichtung zur Aufgabe von flachem, flexiblem, in Stapel eingegebenem Fördergut, insbesondere von Kuverts, in eine Station zur weiteren einzelnen Handhabung.The invention relates to a loading device for loading flat, flexible, in stacks entered goods, especially envelopes, in a station for further individual handling.

Allgemein bekannt sind Beschickungseinrichtungen, bei denen das Fördergut als Stapel von Fördergutstücken in Magazine eingegeben wird, aus denen die Fördergutstücke einzeln, beispielsweise mittels Saugwalzen oder Greifern, abgezogen und in eine Station zur weiteren, einzelnen Handhabung übergeben werden.Feeding devices are generally known, where the material to be conveyed is a stack of items to be conveyed entered into magazines from which the Items conveyed individually, for example by means of Suction rolls or grippers, pulled off and into a station be handed over for further, individual handling.

Bei modernen Postbearbeitungsmaschinen, die mit sehr hohen Taktgeschwindigkeiten arbeiten, ist es notwendig, daß die Magazine der Beschickungseinrichtungen häufig von Hand mit Stapeln von Fördergutstücken gefüllt werden, da die Stapel in den Magazinen nicht eine bestimmte Höhe überschreiten sollen, um den Druck aufgrund des Gewichtes des Stapels an dessen unterem Ende in solchen Grenzen zu halten, daß die Einrichtungen zum Abzug der einzelnen Fördergutstücke dort zuverlässig arbeiten können.With modern mail processing machines that with work at very high clock speeds, it is necessary that the magazines of the Feeders often stacked by hand of goods to be conveyed as the stacks are filled in the magazines do not exceed a certain height are supposed to relieve the pressure due to the weight of the stack to keep at its lower end within such limits that the facilities for deducting the individual conveyed items can work reliably there.

Dem Problem einer häufigen Nachfüllung von Fördergutstapeln in Magazinen von bekannten Beschickungseinrichtungen begegnete man bereits durch Vorschaltung eines Beschickungsautomaten, der abhängig von einem ein Absinken des im Magazin befindlichen Stapels unter ein bestimmtes Niveau meldenden Signal aus einem langgestreckten, in einem Zuförderkanal etwa horizontal vorwärtsgeförderten Stapel hochkant stehender Fördergutstücke mittels schräg nach aufwärts fördernder, hohe Reibung zu den Fördergutstücken aufweisender Förderbänder Fördergutstücke zunächst nach aufwärts und dann, an einem Abstreifer vorbei etwa in horizontaler Richtung dem Magazin zuförderte, ohne hierbei allerdings eine Vereinzelung der Fördergutstücke vorzunehmen. Die Förderung des vorgeschalteten Beschickungsautomaten wurde so lange fortgesetzt, bis ein weiterer Detektor einen ausreichenden Füllungsgrad des Magazins meldete.The problem of frequent replenishment of Conveying goods in known magazines Feeding facilities have already been encountered through Upstream of an automatic loading device that depends one of which is a drop in that in the magazine Stack below signal signaling a certain level from an elongated, about in a feed channel horizontally fed stack upright upright conveyed items by sloping upwards promoting, high friction to the conveyed items Conveyor belts conveyed items first upwards and then, past a scraper about in horizontally fed to the magazine without here, however, a separation of the Make conveyed items. The promotion of upstream loading machine was so long continued until another detector detects one sufficient filling level of the magazine reported.

Aus der US-Patentschrift 5,088,718 ist eine Beschickungseinrichtung mit den Merkmalen des Oberbegriffes von Patentanspruch 1 bekannt. Bei dieser Beschickungseinrichtung wird ein Stapel blattartiger Fördergutstücke, welche auf der unteren Kante stehen, in einen Zuförderkanal gesetzt und gegen eine Förderrolle zur Einleitung einer Schuppung auf halber Höhe abgebogen, wobei die Förderrolle zusammen mit weiteren Förderrollen erste Fördermittel bilden, die einzelne blattartige Fördergutstücke von dem in einem horizontalen Mittenbereich abgebogenen Stapel abziehen, an einem von Rollen gebildeten Vereinzelungssystem vorbeifördern und dann wiederum Rollenpaaren zuleiten, die schließlich die Fördergutstücke in einen Horizontalabschnitt des Förderweges lenken und zweite Fördermittel darstellen.One is known from US Pat. No. 5,088,718 Feeding device with the characteristics of the The preamble of claim 1 is known. At this Feeder becomes a stack of sheets Conveyed goods that are on the lower edge placed in a feed channel and against one Conveyor role to initiate a shingling halfway Height bent, the conveyor roller together with form further funding roles first funding that individual sheet-like pieces of conveyed goods from the one in one Pull off the horizontal stack of the bent stack, on a separation system formed by rollers convey past and then in turn feed pairs of rollers, which finally converts the items to be conveyed into one Steer the horizontal section of the conveyor path and the second Represent subsidies.

Aus der US-Patentschrift 3,780,881 ist es ferner bekannt, von einem Stapel auf der Kante stehender Fördergutstücke mittels zweier einander gegenüberstehender Förderbandeinheiten einen geschuppten Strom von Fördergutstücken abzuziehen und wiederum als Stapel in ein Magazin einzulegen. Von diesem Magazin werden dann einzelne blattartige Fördergutstücke mittels einer Abfördereinrichtung abgezogen.It is also known from US Pat. No. 3,780,881 known to stand on a ledge from a pile Conveyed goods by means of two each other opposite conveyor belt units one subtract the shingled stream from conveyed goods and again in a stack in a magazine. Of this magazine then becomes individual sheet-like Conveyed goods by means of a removal device deducted.

Die US-Patentschrift 5,161,792 zeigt einen Zuförderkanal einer Beschickungseinrichtung mit in diesem Zuförderkanal angeordneten Förderbändern zur Bewegung von Stapeln aus auf der Kante stehenden Fördergutstücken in Richtung auf einen Abförderkanal, in welchem einander gegenüberstehende Förderbandeinheiten die einzelnen Fördergutstücke geschuppt nach aufwärts fördern.U.S. Patent 5,161,792 shows one Feed channel of a feeder with in this conveyor channel arranged conveyor belts Movement of stacks from the edge Conveyed items in the direction of a discharge channel, in which opposing Conveyor belt units the individual pieces of conveyed goods convey scaled upwards.

Aufgabe der vorliegenden Erfindung ist es, eine Beschickungseinrichtung zur Aufgabe von flachem, flexiblem, in Stapeln eingegebenem Fördergut, insbesondere von Kuverts, in eine Station zur weiteren einzelnen Handhabung so auszugestalten, daß keine starke Begrenzung der Zahl der stapelweise eingegebenen Fördergutstücke vorgenommen werden muß und eine Zwischenspeicherung der Fördergutstücke in einem Magazin vermieden wird.The object of the present invention is a loading device to give up flat, flexible material conveyed in stacks, especially from envelopes, in one station to another individual handling so that none strong limitation of the number of stacks entered Conveyed goods must be made and a Temporary storage of the conveyed items in one Magazine is avoided.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des anliegenden Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen sind Gegenstand der dem Anspruch 1 nachgeordneten Patentansprüche, auf deren Inhalt hier ausdrücklich hingewiesen wird, ohne an dieser Stelle den Wortlaut zu wiederholen.This object is achieved by the Features of the attached claim 1 solved. Advantageous refinements and developments are Subject of the subordinate to claim 1 Claims, the content of which is expressly stated here is pointed out without the wording at this point to repeat.

Nachfolgend werden Ausführungsbeispiele anhand der Zeichnung beschrieben. Es stellen dar:

  • Fig. 1 eine schematische, perspektivische Ansicht einer Beschickungseinrichtung der hier angegebenen Art,
  • Fig. 2 eine schematische Seitenansicht der Beschickungseinrichtung nach Fig. 1 unter Angabe von Einzelheiten eines Teiles der Station zur weiteren einzelnen Handhabung der Fördergutstücke,
  • Fig. 3 eine ausschnittsweise perspektivische Ansicht eines Teiles der Beschickungseinrichtung nach Fig. 1, in welcher ein Abstreifer wirksam ist, und
  • Fig. 4 eine schematische, teilweise im Schnitt gezeichnete Seitenansicht einer abgewandelten Form der Abnahmeeinrichtung einer Beschickungseinrichtung nach Fig. 1.
  • Exemplary embodiments are described below with reference to the drawing. They represent:
  • 1 is a schematic, perspective view of a loading device of the type specified here,
  • 2 shows a schematic side view of the loading device according to FIG. 1, with details of part of the station for further individual handling of the items to be conveyed,
  • Fig. 3 is a fragmentary perspective view of a part of the loading device according to Fig. 1, in which a scraper is effective, and
  • 4 shows a schematic side view, partly in section, of a modified form of the removal device of a loading device according to FIG. 1.
  • Die Beschickungseinrichtung der hier vorgeschlagenen Art enthält, wie aus Fig. 1 zu ersehen ist, einen schräg nach abwärts verlaufenden Zuförderkanal 1 zur Aufnahme von Stapeln 2 von Fördergutstücken 3, welche in der aus Fig. 2 ersichtlichen Weise in den Zuförderkanal 1 gestellt werden.The loading device of the here proposed type contains, as can be seen from Fig. 1 is an inclined downward Feed conveyor channel 1 for receiving stacks 2 of Conveyed goods 3, which in the from FIG. 2nd evident way placed in the feed channel 1 become.

    Ein Abförderkanal 4 führt vom unteren Ende des Zuförderkanals 1 schräg nach aufwärts. Das Gefälle des Zuförderkanals 1 ist ausreichend groß gewählt, um darin große Stapel von Fördergutstücken nach abwärts in Richtung auf den Abförderkanal 4 rutschen zu lassen, gleichzeitig aber ausreichend gering, um den Druck des Stapels auf das unterste Fördergutstück zu begrenzen.A discharge channel 4 leads from the lower end of the Feed channel 1 obliquely upwards. The slope of the Feed channel 1 is chosen to be large enough to be inside large stacks of items to be conveyed down into To let slip towards the discharge channel 4, but at the same time sufficiently low to the pressure of the Limit the stack to the lowest conveyed item.

    Der Zuförderkanal 1 und der Abförderkanal 4 haben eine gemeinsame, in Förderrichtung gesehen rechte, winkelförmige Seitenwand 5, einen gemeinsamen, winkelförmigen Boden 6 und eine gemeinsame, in Förderrichtung gesehen linke, winkelförmige Seitenwand 7. Die Seitenwand 7 ist durch daran befestigte, am freien Schenkel mit Langlöchern versehene Winkel in der aus Fig. 1 ersichtlichen Weise auf bestimmte Formate der Fördergutstücke in Richtung quer zur Förderrichtung einstellbar.The feed channel 1 and the discharge channel 4 have a common right, seen in the direction of conveyance, angular side wall 5, a common, angular bottom 6 and a common one, in Direction of delivery seen left, angular side wall 7. The side wall 7 is attached to it on free leg with oblong holes in the angle 1 apparent in certain formats of the conveyed items in the direction transverse to the conveying direction adjustable.

    Der Boden 6 des Zuförderkanals 1 und des Abförderkanals 4 ist am Übergang zwischen den beiden Kanälen in der aus Fig. 1 erkennbaren Weise ausgeschnitten, derart, daß die Obertrümmer 8 von drei Förderbändern 9 einer ersten Förderbandeinheit 10 über den Boden des Abförderkanals 4 geführt werden können. Die Obertrümmer der Förderbänder 9 folgen also dem Verlauf des Abförderkanals 4 schräg nach aufwärts und gehen dann an dessen oberem Ende von Umlenkrollen 11 abgestützt in einen horizontalen Verlauf parallel zur Ebene eines Übergabetisches 12 über. Der Übergabetisch 12 ist mit Längsschlitzen versehen, aus denen die Obertrümmer der Förderbänder 9 in ihrem horizontalverlaufenden Abschnitt etwas über das Tischniveau vorstehen.The bottom 6 of the feed channel 1 and Abförderkanals 4 is at the transition between the two Channels in the manner shown in FIG. 1 cut out such that the upper debris 8 out of three Conveyor belts 9 of a first conveyor belt unit 10 the bottom of the discharge channel 4 can be guided. The upper debris of the conveyor belts 9 thus follow that Course of the discharge channel 4 obliquely upwards and then go to the upper end of pulleys 11 supported in a horizontal course parallel to Level of a transfer table 12 above. The transfer table 12 is provided with longitudinal slots from which the Upper debris of the conveyor belts 9 in her horizontal section something about that Protrude table level.

    Die Untertrümmer der Förderbänder 9 sind über geeignet positionierte Rollen unterhalb des Übergabetisches 12 und unterhalb des Bodens des Abförderkanals 4 zum Förderbandbeginn nahe dem Übergang zwischen dem Zuförderkanal und dem Abförderkanal zurückgeführt.The lower debris of the conveyor belts 9 are over suitably positioned roles below the Transfer table 12 and below the floor of the Abförderkanals 4 at the beginning of the conveyor near the transition between the feed channel and the discharge channel recycled.

    Über den Obertrümmern 8 der Förderbänder 9 der ersten Förderbandeinheit 10 befindet sich eine zweite Förderbandeinheit 13, deren Untertrümmer von einem Bereich vor dem Richtungswechsel der Obertrümmer 8 zum Horizontalverlauf bis zu einem Bereich über der ersten Förderbandeinheit 10 im horizontalen Abschnitt den Obertrümmern der ersten Förderbandeinheit gegenüber stehen. Dieser Verlauf der Förderbänder 14 der zweiten Förderbandeinheit 13 ist aus den Fig. 1 und 2 ohne weiteres zu erkennen. Wie symbolisch durch die strichpunktierte Linie 15 in Fig. 2 angedeutet, laufen die Förderbänder 9 der ersten Förderbandeinheit 10 und die Förderbänder 14 der zweiten Förderbandeinheit 13 synchron um. Sie werden durch eine in Fig. 2 bei 16 angedeutete Antriebseinrichtung in Umlauf versetzt.Above the rubble 8 of the conveyor belts 9 the first conveyor belt unit 10 is a second Conveyor belt unit 13, the lower rubble of one Area before the change of direction of the upper rubble 8 to Horizontal run up to an area above the first Conveyor belt unit 10 in the horizontal section Opposite the first conveyor belt unit stand. This course of the conveyor belts 14 of the second Conveyor belt unit 13 is from FIGS. 1 and 2 without to recognize more. How symbolic by that Dashed line 15 indicated in Fig. 2, run the conveyor belts 9 of the first conveyor belt unit 10 and the conveyor belts 14 of the second conveyor belt unit 13 in sync. They are indicated by 16 in FIG indicated drive device put into circulation.

    Der Boden des Abförderkanals 4 ist in einem Bereich zwischen zwei Förderbändern 9 der ersten Förderbandeinheit 10 mit einem in Förderrichtung orientierten Ausschnitt 17 versehen, aus welchem etwas über das Niveau des Bodens des Abförderkanals 4 hinaus das Obertrumm 18 eines umlaufenden Bandes 19 (siehe Fig. 2) hervorsteht, dessen Oberfläche reibungsarm ist. Das umlaufende Band 19 wird, wie in Fig. 2 durch die strichpunktierte Linie 20 symbolisch angedeutet ist, synchron und gleichgerichtet zu den Förderbändern 9 der ersten Förderbandeinheit 10 angetrieben.The bottom of the discharge channel 4 is in one area between two conveyor belts 9 of the first Conveyor belt unit 10 with one in the conveying direction oriented cutout 17, from which something beyond the level of the bottom of the discharge channel 4 the upper run 18 of a circulating belt 19 (see Fig. 2) protrudes, the surface of which is low-friction. The circulating belt 19 is, as in Fig. 2 by the dash-dotted line 20 is indicated symbolically, synchronous and rectified to the conveyor belts 9 of the driven first conveyor belt unit 10.

    Mit der glatten Oberfläche des umlaufenden Bandes 19 als Gegenfläche wirkt ein Abstreifer 21 zusammen, dessen Ausbildung im einzelnen aus Fig. 3 ersichtlich ist. Seitlich neben dem Abförderkanal 4 ist gestellfest eine Führungsschiene 22 angeordnet, in welcher ein Schlitten 23 in einer Richtung parallel zur Förderrichtung des Abförderkanals 4 einstellbar gehalten ist. Der Schlitten 23 trägt über einen Arm 24 einen Abstreiferblock 25, der in seinem unteren Teil eine etwa keilförmige Abstreiferleiste 26 aus Kautschuk oder Kunststoff hält. Der Abstreiferleiste 26 ist ein Vorabstreifer 27 vorgelagert. Der Abstand der unteren Kante der Abstreiferleiste 26 von der Oberfläche des Obertrumms 18 des umlaufenden Bandes 19 ist mittels eines Einstellknopfs 28 einstellbar. Durch verstellen des Schlittens 23 in Richtung der Führungsschiene 22 kann die Stellung des Einstellblockes 25 des Abstreifers 21 zur Berücksichtigung der Abmessung der Fördergutstücke in Förderrichtung längs des Obertrumms 18 des umlaufenden Bandes 19 eingestellt werden.With the smooth surface of the circulating belt 19 a stripper 21 acts as a counter surface, the training of which can be seen in detail from FIG. 3 is. Laterally next to the discharge channel 4 is fixed to the frame a guide rail 22 is arranged, in which a Carriage 23 in a direction parallel to Delivery direction of the discharge channel 4 adjustable is held. The carriage 23 carries an arm 24 a wiper block 25, which in its lower part an approximately wedge-shaped wiper strip 26 made of rubber or plastic holds. The wiper strip 26 is a Pre-scraper 27 upstream. The distance of the bottom Edge of the wiper strip 26 from the surface of the Upper run 18 of the circulating belt 19 is by means of a setting knob 28 adjustable. Adjust by of the carriage 23 in the direction of the guide rail 22 can the position of the adjustment block 25 of the Scraper 21 to take into account the dimension of the Conveyed goods in the conveying direction along the upper run 18 of the circulating belt 19 can be set.

    Ist ein Stapel 2 von Fördergutstücken 3 in der aus Fig. 2 ersichtlichen Weise in den zuförderkanal 1 eingesetzt, so werden die zuunterst liegenden Fördergutstücke von den Obertrümmern 8 der Förderbänder 9 der Förderbandeinheit 10 längs des Abförderkanals 4 aufwärts gefördert, wobei weiter oben liegende Fördergutstücke 3 von dem Vorabstreifer 7 zurückgehalten werden und schließlich die Abstreiferleiste 26 aufgrund des eingestellten Abstandes zur Oberfläche des Obertrumms 18 des umlaufenden Bandes 19 zunächst jeweils nur den vorderen Teil eines einzelnen Fördergutstückes dem Lauf der Förderbänder 9 folgen läßt, so daß dieser Teil des weiter geförderten Fördergutstückes zwischen die Untertrümmer der Förderbänder 14 der Förderbandeinheit 13 und die Obertrümmer der Förderbänder 9 der Förderbandeinheit 10 gerät und zuverlässig weitergefördert wird. Ein sich über die gesamte Breite der Förderbandeinheiten erstreckender Umlenkschild 29, der in Fig. 2 angedeutet ist, verhindert, daß seitlich von den Fördergutstücken hochstehende Ecken oder Laschen ober dergleichen an Anlageteilen anlaufen und zu Fehlförderungen führen könnten. Is a stack 2 of conveyed items 3 in the 2 evident way in the feed channel. 1 used, so are the lowest Conveyed goods from the top rubble 8 of the conveyor belts 9 of the conveyor belt unit 10 along the discharge channel 4 promoted upwards, with higher lying Conveyed goods 3 retained by the scraper 7 and finally the Wiper strip 26 due to the set distance to the surface of the upper run 18 of the circulating belt 19 initially only the front part of one individual piece of conveyed goods the run of the conveyor belts 9 can follow, so that this part of the further promoted Conveyed good piece between the under rubble Conveyor belts 14 of the conveyor belt unit 13 and the Upper debris of the conveyor belts 9 of the conveyor belt unit 10 device and reliably conveyed. A yourself across the entire width of the conveyor belt units extending deflection plate 29, which is indicated in Fig. 2 is prevented from the side of the conveyed items protruding corners or tabs above the like Start up system parts and lead to incorrect funding could.

    Der mit dem Obertrumm 18 des umlaufenden Bandes 19 als Gegenfläche zusammenwirkende Abstreifer 21 und die Obertrümmer 8 der Förderbänder 9 bewirken somit, daß zwischen die Förderbandeinheiten 10 und 13 ein geschuppter oder gestaffelter Strom von Fördergutstücken 3 einläuft, dessen Schuppungsabstand oder Staffelungsabstand an dem Abstreifer 21 eingestellt wird. Dieser geschuppte oder gestaffelte Strom von Fördergutstücken 3 tritt auf der Ausgabeseite zwischen den Förderbandeinheiten 10 und 13 auf den Übergabetisch 12 aus, welcher auf eine Abnahmeeinrichtung 30 hinführt, die in bestimmten Abstand von der Ausgabeseite der ersten und zweiten Förderbandeinheit gelegen ist und dazu dient, den vorderen Rand des jeweils vordersten Fördergutstückes 3 des geschuppten Fördergutstromes zu ergreifen und taktweise das betreffende Fördergutstück abzuziehen, um es einer weiteren Handhabung oder Bearbeitung zuzuführen. Die Abnahmeeinrichtung 30 kann bei der in Fig. 2 gezeigten Ausführungsform die Gestalt einer Förderkette 31 haben, welche von einem Antrieb 32 taktweise in Tätigkeit gesetzt wird, sobald eine an der Förderkette 31 befestigte Greiferzange 33 den vorlaufenden Rand eines Fördergutstückes 3 erfaßt hat. Die obere Klaue der Greiferzange 33 ist von Federmitteln in Schließstellung gegen die untere Greiferklaue vorgespannt und wird, sobald die Förderkette 31 die Greiferzange 33 in die Aufnahmestellung geführt hat, durch Anlaufen eines Nockens der oberen Greiferklaue an eine Kurvenscheibe 34 geöffnet. Die Kurvenscheibe 34 kann mittels eines Antriebs 35 zum Schließen der Greiferzange abgesenkt werden. In der Zeichnung nicht eingezeichnete Detektoren, beispielsweise Näherungsdetektoren oder Lichtschranken, melden die jeweilige Betriebsstellung der Förderkette 31 und der Greiferzange 33.The one with the upper run 18 of the circulating belt 19th as a counter surface interacting wipers 21 and Upper debris 8 of the conveyor belts 9 thus cause that between the conveyor belt units 10 and 13 scaled or staggered stream of Conveyed goods 3 arrives, the overlap distance or graduation distance on the stripper 21 is set. This scaled or staggered Stream of conveyed items 3 occurs on the output side between the conveyor belt units 10 and 13 on the Transfer table 12, which on a Tapping device 30 leads there in certain Distance from the output side of the first and second Conveyor belt unit is located and serves the front edge of the foremost conveyed item 3 to seize the scaled material flow and to subtract the piece of conveyed material in question in order to further handling or processing supply. The removal device 30 can in the Fig. 2 embodiment shown the shape of a Have conveyor chain 31, which from a drive 32nd is started cyclically as soon as one of the Conveyor chain 31 attached gripper 33 has captured the leading edge of a conveyed item 3. The upper claw of the gripper 33 is of spring means in the closed position against the lower gripper claw biased and will, as soon as the conveyor chain 31 Has gripper pliers 33 in the receiving position, by starting a cam of the upper gripper claw a cam 34 opened. Cam 34 can be closed by a drive 35 Gripper tongs are lowered. Not in the drawing plotted detectors, for example Proximity detectors or light barriers report the respective operating position of the conveyor chain 31 and Gripper pliers 33.

    Befindet sich die Förderkette 31 in der in Fig. 2 angedeuteten Betriebsstellung, in der die Greiferzange 33 aufnahmebereit und geöffnet ist, so gibt ein von dem Antrieb bzw. einem Drehmelder desselben abgeleitetes Steuersignal einer Steuereinheit 36 eine Anforderungsmeldung, die über eine Steuerleitung 37 bewirkt, daß der Antrieb 16 die Förderbandeinheiten 10 und 13 sowie das umlaufende Band 19 in Betrieb setzt und schließlich in der zuvor beschriebenen Weise auf der Abgabeseite der Förderbandeinheiten 10 und 13 ein geschuppter Strom von Fördergutstücken auf den Übergabetisch 12 austritt.The conveyor chain 31 is located in that in FIG. 2 indicated operating position in which the gripper tongs 33 is receptive and open, one of them gives Drive or a resolver derived from the same Control signal from a control unit 36 a Request message via a control line 37 causes the drive 16 to the conveyor belt units 10th and 13 and the circulating belt 19 is put into operation and finally in the manner previously described the discharge side of the conveyor belt units 10 and 13 scaled flow of conveyed goods on the transfer table 12 exits.

    Sobald das erste Fördergutstück dieses geschuppten Stromes von Fördergutstücken die einen ersten Detektor 38 bildende Lichtschranke abdeckt, bewirkt das Ausgangssignal des Detektors 38, daß die Steuereinheit 36 den Antrieb 16 in einem Vorpositionierungsbetrieb steuert, wozu bei vorausgesetzter konstanter Antriebsgeschwindigkeit des Antriebs 16 Zeitsteuermittel der Steuereinheit 36 den Antrieb 16 für eine Dauer in Betrieb setzen, welche dazu ausreicht, den vorlaufenden Rand des ersten Fördergutstückes von dem Detektor 38 bis zu der Greiferzange 33 zu bewegen.As soon as the first piece of conveyed material is shingled Flow of conveyed items a first detector That covers 38 forming light barriers Output signal of the detector 38 that the control unit 36 the drive 16 in a pre-positioning mode controls what if constant is assumed Drive speed of the drive 16 Timing means of control unit 36 drive 16 put into operation for a period of time suffices the leading edge of the first Conveyed goods from the detector 38 to the To move gripper 33.

    Ein in Förderrichtung auf den Detektor 38 folgender zweiter Detektor 39, der wiederum von einer in dem Übergabetisch 12 montierten Lichtschranke gebildet sein kann, bewirkt dann eine Feinsteuerung des Antriebs 16 durch die Steuereinheit 36 in der Weise, daß der vorlaufende Rand des ersten Fördergutstückes des geschuppten Fördergutstromes vollständig zwischen die Greiferklauen der Greiferzange 33 hineinbewegt wird und dann die obere Greiferklaue der Greiferzange 33 durch Betätigung der Kurvenscheibe 34 mittels des Antriebs 35 geschlossen wird, wonach der Antrieb 32 angeschaltet wird und die Förderkette 31 das erste Fördergutstück an seinem vorlaufenden Rand mit Bezug auf die in Fig. 2 gezeigte Lage und Stellung der Bauteile nach links abzieht.One following the detector 38 in the conveying direction second detector 39, which in turn from one in the Transfer table 12 mounted light barrier can be formed can then cause fine control of the drive 16 by the control unit 36 in such a way that the leading edge of the first conveyed item scaled material flow completely between the Gripper claws of the gripper tongs 33 is moved in and then through the upper gripper claw of the gripper tongs 33 Actuation of the cam plate 34 by means of the drive 35 is closed, after which the drive 32 is switched on is and the conveyor chain 31 to the first conveyed good its leading edge with reference to that in FIG. 2 shown position and position of the components subtracts to the left.

    Der Abstand zwischen der den Detektor 39 bildenden Lichtschranke und dem Grund der Greiferzange 33 ist so gewählt, daß nach dem Abzug des jeweils ersten Fördergutstückes aus dem geschuppten Fördergutstrom die Lichtschranke bzw. der Detektor 39 wieder freigegeben wird und für den Feinpositionierungsvorgang des dann ersten weiteren Fördergutstückes zur Verfügung steht. Der genannte Abstand ist also jedenfalls kleiner als der minimale Staffelungsabstand oder Schuppungsabstand der Fördergutstücke.The distance between that forming the detector 39 Light barrier and the bottom of the gripper 33 is so chosen that after the deduction of the first Piece of conveyed goods from the shingled flow of conveyed goods Light barrier or the detector 39 released again and for the fine positioning process of the then the first additional item to be conveyed is available. In any case, the distance mentioned is smaller than the minimum graduation distance or scaling distance of the conveyed items.

    Ferner ist zu bemerken, daß der Abstand zwischen der in Aufnahmestellung befindlichen Greiferzange 33 von der Ausgangsseite des Spaltes zwischen den Förderbandeinheiten 10 und 13 so gewählt ist, daß ein mit seinem vorlaufenden Rand von der Greiferzange 33 gefaßtes Fördergutstück mit seinem hinteren Rand noch zwischen den Förderbandeinheiten 10 und 13 gehalten ist. Bei Betätigung der Förderkette 31 wird dann dieses von der Zange 33 gefaßte Fördergutstück zwischen den Förderbandeinheiten 10 und 13 gezogen. Zur Einstellung auf unterschiedliche Formate der Fördergutstücke mit Bezug auf die Förderrichtung sind, wie in Fig. 1 angedeutet, die Abnahmeeinrichtung 30 und der Übergabetisch 12 als Geräteeinheit ausgebildet und auf einem Wagen oder Schlitten 40 in Förderrichtung verfahrbar und einstellbar, damit der Abstand zwischen der in Aufnahmestellung befindlichen Greiferzange 33 und der Ausgangsseite der Förderbandeinheiten 10 und 13 entsprechend dem Format der Fördergutstücke verändert werden kann. Weiterhin sei angemerkt, daß die Rollen zur Abstützung der Förderbänder der Förderbandeinheit 13 an einem gemeinsamen Rahmen gelagert sind, der seinerseits um eine horizontale, zu den Lagerachsen der Rollen parallele Achse derart verschwenkt werden kann, daß die gesamte Förderbandeinheit 13 zu Wartungsarbeiten oder zur Beseitigung von Störungen von der Förderbandeinheit 10 hochschwenkbar ist. Diesbezügliche, dem Fachmann geläufige Konstruktionen sowie auch Mittel zur Niederhaltung der Fördergutstücke im Bereich oberhalb des Übergabetisches 12 sind zur Vereinfachung der Darstellung in der Zeichnung weggelassen.It should also be noted that the distance between the gripper 33 in the receiving position from the exit side of the gap between the Conveyor belt units 10 and 13 are selected so that a with its leading edge from the gripper 33 Conveyed piece of conveyed goods with its rear edge still held between the conveyor belt units 10 and 13 is. When the conveyor chain 31 is actuated, this becomes conveyed piece of material gripped by the tongs 33 between the Conveyor belt units 10 and 13 pulled. For setting to different formats of the conveyed items With respect to the conveying direction, as indicated in FIG. 1, the removal device 30 and the transfer table 12 designed as a unit and on a trolley or carriage 40 movable in the conveying direction and adjustable so that the distance between the in Pickup position located gripper 33 and Output side of conveyor belt units 10 and 13 changed according to the format of the conveyed items can be. It should also be noted that the roles to support the conveyor belts of the conveyor belt unit 13 are mounted on a common frame, the in turn around a horizontal one, to the bearing axes of the Rollers parallel axis can be pivoted such that the entire conveyor belt unit 13 for maintenance work or to eliminate interference from the Conveyor belt unit 10 is pivoted up. Relevant constructions familiar to the person skilled in the art as well as means for holding down the conveyed items in the area above the transfer table 12 are for Simplification of the representation in the drawing omitted.

    Die Abnahmeeinrichtung 30 kann gemäß der in Fig. 4 gezeigten abgewandelten Ausführungsform auch einen Förderspalt bildende Paare einander gegenüberstehender Abnahmeförderbänder bzw. Rollen 41 und 42 enthalten, wobei die Abnahmeförderrollen 42 durch einen Antrieb 43 entweder in eine Ruhestellung anhebbar oder in eine Förderstellung gegen die Abnahmeförderbänder 41 absenkbar sind. Bei dieser Form der Abnahmeeinrichtung 30 können die Förderbänder 41 kontinuierlich umlaufen. Sobald nach Ansprechen des Detektors 39 der vorlaufende Rand eines Fördergutstückes 3 zwischen die Abnahmeförderbänder 41 und die Abnahmeförderrollen 42 bewegt worden ist, drückt der Antrieb 43 die Abnahmeförderrollen nach abwärts, wodurch das vorderste Fördergutstück 3 aus dem geschuppten Strom der Fördergutstücke und mit seinem nachlaufenden Rand zwischen den Förderbandeinheiten 10 und 13 herausgezogen wird und sich die im Zusammenhang mit den Fig. 1 und 2 erläuterten Vorgänge wiederholen.The removal device 30 can be operated according to the method shown in FIG. 4 shown modified embodiment also a Coupling pairs forming opposite one another Acceptance conveyor belts or rollers 41 and 42 contain the take-off conveyor rollers 42 by a drive 43 either lifted into a rest position or into one Conveying position against the acceptance conveyor belts 41 are lowerable. With this type of acceptance device 30, the conveyor belts 41 can run continuously. As soon as after the detector 39 responds, the leading one Edge of a conveyor 3 between the Removal conveyor belts 41 and the removal conveyor rollers 42 has been moved, the drive 43 presses the Pick-up conveyor rollers go down, making the front one Fördergutstück 3 from the shingled stream of Conveyed goods and with its trailing edge between conveyor belt units 10 and 13 is pulled out and related to the 1 and 2 repeat the processes described.

    Die Konstruktion des vornehmlich in Fig. 3 gezeigten Abstreifers 21 ist insofern von selbständiger Bedeutung, als aufgrund der harten, glatten Oberfläche des umlaufenden Bandes 19 in Zusammenwirkung mit dem Vorabstreifer 27 und der Kante der Abstreiferleiste 26 eine sehr präzise Einstellung des Schuppungsergebnisses und insoweit der Vereinzelung bei Förderung durch die Förderbänder 9 gegeben ist, und auch durch Vorsehen des umlaufenden Bandes 19 eine Formateinstellung durch Verfahren des Schlittens 23 in der Führungsschiene 22 vorgenommen werden kann. Es kann hierbei zweckmäßig sein, unterhalb des Obertrumms 18 des umlaufenden Bandes 19 eine Gegenhaltungs- und Stützfläche für das Obertrumm 18 vorzusehen, etwa durch einen Teil des Bodens 6 in demjenigen Bereich des Obertrumms 18, über welchen hinweg zur Formateinstellung der Abstreifer 21 in Förderrichtung der Bänder 9 verstellt werden kann.The construction of the primarily in Fig. 3rd shown stripper 21 is in this respect of independent Meaning than due to the hard, smooth surface of the circulating belt 19 in cooperation with the Pre-wiper 27 and the edge of the wiper strip 26 a very precise adjustment of the shingling result and insofar as the individualization is supported by the Conveyor belts 9 is given, and also by providing the circulating band 19 through a format setting Movement of the carriage 23 in the guide rail 22 can be made. It can be useful here be below the upper run 18 of the revolving Volume 19 is a support and support surface for the Provide upper run 18, for example through part of the Soil 6 in that area of the upper run 18, about which way to set the format of the strippers 21 can be adjusted in the conveying direction of the belts 9.

    Bezüglich der Steuereinrichtung 36 ist zu sagen, daß durch Drehmelderausgangssignale des Antriebs 32 für die Förderkette 31 bestimmt wird, wann und über welche Zeiträume bzw. Antriebsstreckenabschnitte der Antrieb 16 für die Förderbandeinheiten 10 und 13 in Betrieb gesetzt wird. Die Detektoren 38 und 39 bestimmen als nachgeordnete Steuermittel die Förderung des geschuppten Fördergutstromes bis hinein in die Greiferzange 33 bzw. in den Förderspalt zwischen die Förderbänder 41 und die Andruckrollen 42 (Fig. 4).Regarding the control device 36, it should be said that by resolver output signals of the drive 32 for the conveyor chain 31 is determined when and via which Periods or drive section sections of the drive 16 for the conveyor belt units 10 and 13 in operation is set. Detectors 38 and 39 determine as Subordinate tax funds promoting the scaled material flow into the Gripper 33 or in the conveyor gap between the Conveyor belts 41 and the pressure rollers 42 (Fig. 4).

    In der obigen Beschreibung ist allerdings unter Schuppung oder Staffelung auch ein Zustand der Fördergutstücke zu verstehen, in welchem diese einander nicht mehr überlappen sondern bereits vollständig vereinzelt auf den Übergabetisch 12 gefördert werden.In the above description, however, is below Flaking or staggering is also a condition of To understand conveyed goods, in which these each other no longer overlap but already completely can be promoted individually to the transfer table 12.

    Claims (11)

    1. Feeding machine for feeding flat, flexible items which are input in stacks and standing upright into a station for further individual handling, having
      a) a downwardly inclined feed channel (1) for receiving the stack (2) of conveyed items;
      b) a discharge channel (4) which leads obliquely upwards from the lower end of the feed channel and on whose base side first conveying means (10), which have increased friction with respect to the lowermost conveyed item and have an obliquely upwardly directed conveying direction and, after a change of direction, with a conveying direction corresponding to the discharge direction with a less positive gradient, in particular with a horizontal conveying direction, are arranged;
      c) second conveying means (13) which are located directly opposite the first conveying means (10) in a region before the change of direction and a region of less positive gradient of the conveying direction, in particular a horizontal section; and
      d) a separation device (21) which is active in the discharge channel (4), underneath the region of the change of direction and serves to imbricate the stream of conveyed items which are conveyed upwards from the stack (2);
      characterized in that
      the first conveying means are formed by first conveyor belts (9) whose upper strands (8) extend obliquely upwards and, with the aforesaid change in direction, extend in the discharge direction with a less positive gradient, in particular horizontally;
      the second conveying means are formed by a second conveyor belt unit (13), whose lower strands are located directly opposite the upper strands (8) of the aforementioned conveyor belts (9) from a region before the change of direction as far as to a region above the first conveying means (10) in the section with a less positive gradient, in particular the horizontal section;
      the separating device is formed by an imbricator strip (21) which extends in the discharge channel (4) between the two first-mentioned conveyor belts (9) underneath the region of the change of direction, towards an opposite face (18);
      a removal device (30) is provided which, on the outward side of the aforementioned conveyor belts and of the second conveyor belt unit (10, 13), picks up, at a specific distance from said units (10, 13) the leading edge of individual conveyed items and pulls them off in a clocked fashion, and
      a detector arrangement (38, 39) is provided which contains at least one detector which responds to the arrival of the leading edge of a conveyed item (3) and, in response thereto , controls the activation of the removal device (30) and/or of the first-mentioned conveyor belts and of the second conveyor belt unit (10, 13).
    2. Feeding machine according to Claim 1, characterized in that the feed channel (1) and the discharge channel (4) have a side wall (7) for oblong format setting, said side wall (7) being adjustable with respect to a respective base part (6).
    3. Feeding machine according to Claim 1 or 2, characterized in that the imbricator strip (21) is adjustable (22, 23, 24) parallel to the conveying direction of the conveyor belt units (10, 13) for longitudinal format setting.
    4. Feeding machine according to one of Claims 1 to 3, characterized in that the imbricator strip can be set (26, 28) perpendicularly to the opposite face (18) in order to set the shingling result.
    5. Feeding machine according to one of Claims 1 to 4, characterized in that the imbricator strip interacts with a belt (19), which has a low-friction surface, forms the opposite face, is driven in the same direction as the conveyor belts of the conveyor belt units (10,13) and is positioned between two conveyor belts (19) of the first conveyor belt unit (10).
    6. Feeding machine according one of the Claims 1 to 5, characterized in that the removal device (30) has pairs of removal conveyor belts (41) or contacting rollers (42) which form a conveyor gap and whose drive or conveying function is controlled in operating cycles, in particular by the detector arrangement (38, 39).
    7. Feeding machine according to one of the Claims 1 to 5, characterized in that the removal device (30) contains a conveying chain (31) which is equipped with gripper tongs (33) whose opening and closing is controlled in operating cycles.
    8. Feeding machine according to one of the Claims 1 to 7, characterized in that the detector arrangement contains two detectors (38, 39), the first of which is arranged just behind the delivery side of the first and second conveyor belt units (10, 13) in the conveying direction and serves to generate a detector signal which is used to preposition the stream of imbricated conveyed items, and the second (39) of which is positioned just in front of the removal device (30) at a distance which is shorter than the minimum separation distance or imbrication distance of the stream of conveyed items.
    9. Feeding machine according to one of the Claims 1 to 8, characterized in that the removal device (30) pulls out, in operating cycles, individual conveyed items from the imbricated stream of conveyed items, the trailing edge of the extracted conveyed item at that time still being located between the conveyor belts of the first and second conveyor belt units (10, 13).
    10. Feeding machine according to Claim 8 or 9, characterized in that the detector output signal of the second detector (39) causes the drive of the first and second conveyor belt units (10, 13) to carry out a measured conveying displacement of the leading edge of a conveyed item from the second detector to the removal position of the removing device (30).
    11. Feeding machine according to one of the Claims 1 to 10, characterized in that the distance between the removal device (30) and the delivery side of the first and second conveyor belt units (10, 13) is adjustable.
    EP98948830A 1997-08-14 1998-08-12 Feeding machine Expired - Lifetime EP1003684B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE19735382 1997-08-14
    DE19735382A DE19735382A1 (en) 1997-08-14 1997-08-14 Feed device for output of envelopes from stack
    PCT/EP1998/005131 WO1999008951A1 (en) 1997-08-14 1998-08-12 Feeding machine

    Publications (2)

    Publication Number Publication Date
    EP1003684A1 EP1003684A1 (en) 2000-05-31
    EP1003684B1 true EP1003684B1 (en) 2002-03-20

    Family

    ID=7839051

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP98948830A Expired - Lifetime EP1003684B1 (en) 1997-08-14 1998-08-12 Feeding machine

    Country Status (6)

    Country Link
    US (1) US6375182B1 (en)
    EP (1) EP1003684B1 (en)
    JP (1) JP2001515002A (en)
    CA (1) CA2300183C (en)
    DE (2) DE19735382A1 (en)
    WO (1) WO1999008951A1 (en)

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    FR2830242B1 (en) * 2001-10-01 2004-06-11 Plus Dev B METHOD AND INSTALLATION FOR SUPPLYING HIGH-THROUGHPUT MACHINES OR LINES OPERATING ON FLAT OBJECTS
    JP2005225617A (en) * 2004-02-13 2005-08-25 Hebaroido Kk Sharp inclination belt conveyor using thermosensitive adhesive tape
    DE102004030254B3 (en) * 2004-06-23 2005-09-22 Pitney Bowes Deutschland Gmbh Rotary feeder for conveying side dishes
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    Also Published As

    Publication number Publication date
    EP1003684A1 (en) 2000-05-31
    CA2300183A1 (en) 1999-02-25
    WO1999008951A1 (en) 1999-02-25
    US6375182B1 (en) 2002-04-23
    DE19735382A1 (en) 1999-02-18
    JP2001515002A (en) 2001-09-18
    CA2300183C (en) 2007-10-30
    DE59803446D1 (en) 2002-04-25

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