EP1547948B2 - Dispositif pour séparer des lettres - Google Patents

Dispositif pour séparer des lettres Download PDF

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Publication number
EP1547948B2
EP1547948B2 EP04029756A EP04029756A EP1547948B2 EP 1547948 B2 EP1547948 B2 EP 1547948B2 EP 04029756 A EP04029756 A EP 04029756A EP 04029756 A EP04029756 A EP 04029756A EP 1547948 B2 EP1547948 B2 EP 1547948B2
Authority
EP
European Patent Office
Prior art keywords
conveyor belt
letters
specified
guide structures
channel
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.)
Not-in-force
Application number
EP04029756A
Other languages
German (de)
English (en)
Other versions
EP1547948A1 (fr
EP1547948B1 (fr
Inventor
Matthias Emanuel
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.)
Bowe Bell and Howell GmbH
Original Assignee
Bowe Bell and Howell 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.)
Filing date
Publication date
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Priority claimed from DE102004029712A external-priority patent/DE102004029712A1/de
Application filed by Bowe Bell and Howell GmbH filed Critical Bowe Bell and Howell GmbH
Publication of EP1547948A1 publication Critical patent/EP1547948A1/fr
Application granted granted Critical
Publication of EP1547948B1 publication Critical patent/EP1547948B1/fr
Publication of EP1547948B2 publication Critical patent/EP1547948B2/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • B65H5/023—Feeding 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/68—Reducing the speed of articles as they advance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • B65H5/026—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts between belts and stationary pressing, supporting or guiding elements forming a transport nip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/24—Feeding articles in overlapping streams, i.e. by separation of articles from a pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/321—Standing on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/445—Moving, forwarding, guiding material stream of articles separated from each other
    • B65H2301/4451—Moving, forwarding, guiding material stream of articles separated from each other forming a stream or streams of separated articles
    • B65H2301/44514—Separating superposed articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1916—Envelopes and articles of mail

Definitions

  • the present invention relates to a device for processing flat material, according to the preamble of claim 1.
  • Such a device is for example off DE 193 1 189 U known.
  • Object of the present invention is therefore to provide a device for the preparatory processing of stagnant slab, which can be technically simple and therefore inexpensive to implement and the high service life and processing speeds with further staff savings possible, which easily implements such a method that works reliably and which gently treats the slab while avoiding multiple withdrawals.
  • the basic idea of the device according to the invention lies ultimately in further fanning the flat material rising on the conveyor belt formed as underfloor belt during transport by applying it on both sides and thus preparing it for separation. It is essential here first of all the braking of the incoming in the row stack of letters, which are shingled over each other.
  • this series of individual pieces while being driven from below through the lower conveyor belt, on the one hand braked by the braking device and on the other hand taken by the laterally arranged drive device and accelerated towards the individual trigger. Due to the negative acceleration of the one hand acting on the slab braking device and the positive acceleration of the other hand acting on the slab drive device, the shingled contiguous individual pieces are fanned out to another piece.
  • the conveyed by the conveyor belt flat material is guided in particular before reaching the individual trigger with a flat side against the braking device. While the conveyor belt initially forwarded the letters of the middle layers of the flat material, the letters applied to the braking device are decelerated relative to the conveying speed of the conveyor belt. So shingles the individual pieces even further ("shingling") as it was already the case.
  • a further drive device in particular a driven sideband, taken in such a way that a gripped individual piece is accelerated towards the individual trigger. This measure also contributes to a further diversification. It is not necessary that both measures are exercised simultaneously on the same section of the conveyor belt. You can also act on the letters in a row.
  • the device according to the invention is characterized by a arranged laterally of the conveyor belt braking device, which is thus part of one of said guide structures and the one located in the respective outer layer of the flat individual piece that applies to the braking device, decelerates in relation to the speed of the conveyor belt ,
  • the guide structure arranged on the other side of the conveyor belt is formed by the drive device, which accelerates a single piece located on the other outside of the flat material in relation to the speed of the conveyor belt.
  • the parameters relating to deceleration (negative acceleration) and / or (positive) acceleration and / or transport speed are set in such a way that the individual pieces lying one above the other fanned out another piece, the distance between the leading edges of the individual pieces and thus the amount of fanning after processing does not fall below an adjustable minimum.
  • the said parameters are set so that the distance between the leading edges at the end of machining is at least 5 cm.
  • the individual piece located at the top of the row formed by the slab has a projection of at least 5 cm in front of the subsequent single piece, before it is withdrawn from the series by the single trigger. This is a reliable single deduction possible without multiple copies.
  • the advantages of the invention are that with the device at this "sensitive" point of carriage and sorting letters a high throughput while avoiding the known problems is ensured. This processing speeds of at least 3 to 4 m / sec and a throughput of up to 40,000 letters per hour can be achieved, the device with these settings is still not reaching its limits.
  • the flat product is still treated carefully and undergoes no damage.
  • the particular advantage is also to be seen in the fact that the device can be realized inexpensively in a compact design. This makes it easy to integrate into existing systems.
  • the invention guarantees at this stage of processing a special flexibility against different formats and weights to be processed, which occur within the flat material, in particular within the usual mixed mail.
  • the invention fulfills two functions: on the one hand ensures that the letters on the freewheeling or calming section completely settling on their orientation edge ("settling"), since they do not, as usual, between two bands be relatively firmly pinched. On the other hand, the invention prepares the separation of the letters, which proceeds smoothly after the "shingling” according to the invention. The invention thus ideally combines the so-called "settling" with the separation.
  • the two opposing guide structures in particular the brake and the drive device, are so far apart within the freewheeling distance that even the individual pieces are transported freely in the middle of thicker packs without lateral clamping by the guide structures and completely with the lower edge can hang up on the conveyor belt.
  • the length of the freewheeling track in a particular embodiment is such that it constitutes a relatively large portion of the transport channel. This leaves sufficient time for settling, during which the individual pieces located on the freewheeling track have the possibility of resting completely on the conveyor belt with their lower edge. Due to the so-supported settling, the lower edge becomes the defined orientation edge, which is fundamental for ideal further processing.
  • the braking device is formed by a wall with a high coefficient of friction against which the individual pieces located on one side of the flat material with one side.
  • the wall may be formed by a plate part or a guide plate, the surface of which is provided with a friction lining.
  • the friction lining may be a rubber-like material to which the letters are stuck. It should be noted that the larger the contact area between the individual piece and the wall, the greater the braking force, the strength of the clamping, so the pressure on the wall, also plays an essential role.
  • Such a braking device is self-regulating insofar as it slows the outer individual pieces further because of the higher clamping in a thick stack of flat material, which, as required in this case, leads to a stronger shingling and a larger buffer effect. If the contact pressure decreases with the reduction of the stack, the adjacent letters are released and are transported in the direction of the individual trigger.
  • the braking device can be formed by a slow-moving sideband whose surface has a high coefficient of friction. This is advantageous to guarantee the even wear of the surface and thus to increase the service life.
  • the braking effect can be supported by the fact that the wall is mounted displaceably or pivotably approximately perpendicular to the transport direction.
  • the displacement of the wall can be caused by appropriate means, with a regulation to be provided on the amount of slab to be processed. It is particularly simple and inexpensive, however, if the movement is caused by a spring force, which acts in the direction of the conveyor belt. Thus, the transport channel widens automatically upon arrival of a thick stack and the contact pressure remains by tracking the wall even during the reduction of the stack.
  • the strength of the spring force is advantageously adjustable. It is also advantageous if the movement of the brake device in the direction of the conveyor belt is limited by a stop, so that the channel always has a certain cross section.
  • the displacement of the wall can operate switches and / or be monitored by sensors.
  • Singling is particularly effective when the two-sided guide structures, in particular the sideband and the wall of the brake device, at an acute angle of a few degrees, in particular from 1 to 5 degrees, are arranged to each other, the guide structures merge funnel-shaped in the transport direction.
  • the angle and the distance is advantageously adjustable.
  • the incoming slab is braked in a kind of funnel, whereby the letters are accelerated from the one side of the drive belt.
  • the two-sided guide structures have approached before the individual trigger to the average expected strength of a few, in particular less than three, individual pieces. This achieves a wedge effect at the end of the free-running section.
  • the device described in the context of this application can be used particularly advantageously at a very early stage of the processing of mail, which is accomplished today essentially by manual labor.
  • the letters are delivered directly from the mailbox in bags, the contents of which are poured onto a conveyor belt.
  • manual large-format shipments are initially sorted out.
  • the remaining consignments must then be bundled and packed with respect to their longitudinal edges (orientation edges) in suitably formatted and standardized boxes.
  • the letters that are neatly packed in the boxes can then be further processed.
  • the letters for the introduction into the box can be prepared ready. This work has so far been done by hand.
  • the lying in more or less irregular heaps on the conveyor belt letters are fed to a chute, over which they slide lying in a gutter.
  • the individual pieces meet with an edge on the bottom of the channel and are held by the correspondingly closely spaced walls of the channel in the vertical position. In this way a putting up of the letters took place.
  • a conveyor belt At the bottom of the gutter is a conveyor belt which conveys the standing letters along the gutter in the direction of the device. Now the letters lie at least partially shingled together and can be further processed.
  • the speed of the located at the bottom of the channel and in particular occupied with a high friction friction lining conveyor belt is set so high that the incident of the slide and / or the already standing letters are tilted to their orientation edge.
  • the letters striking the narrow edge are, so to speak, pulled away from the ground under their feet, so that they automatically fall onto the edge, which ensures the lowest possible center of gravity.
  • the conveyor belt is arranged at the bottom of the channel by an angle of more than 30 ° in particular rising.
  • the letters standing on the narrow side have an even stronger tendency to tilt backwards.
  • the particular advantage of the channel and the conveyor belt lies in the fact that the letters have a certain amount of time to sit completely on the orientation edge. It is advantageous to design the length of the conveyor belt and thus the channel sufficient to ensure setting of the letters can.
  • FIG. 1 the device according to the invention for the preparation of batch-wise heaps of flat goods delivered, in particular letter packs 1, is shown prior to separation into individual letters.
  • the device has an underfloor belt 2 ( FIG. 2 ) as a conveyor belt on which on the sub-perspective of the longitudinal edge (orientation edge) upstanding letters 1 are transported in the direction of arrow A (letter direction).
  • the conveyor belt 2 is bounded on both sides by guide structures via a guide path, wherein the conveyor belt and the guide structures form a transport channel 3, in which the letters 1 are held against falling over.
  • the letter box 1 is fanned out in the transport channel 3 to a series of shingles superimposed letters.
  • the guide line ends up in a single deduction 4, which takes each of the incoming letter 5 at the head of the series and deducted.
  • the guide structure arranged in this case on the right side is formed by a braking device 6 which decelerates a letter located on this side of the letter box 1 in relation to the speed of the conveyor belt 2.
  • the brake device 6 has a wall with a high coefficient of friction, against which are located on the right side of the letter box 1 Create letters with offset.
  • the wall 6 is held on a mounting plate 7, which can be adjusted by running in slots 8 screws 9 in an inclined to the transport direction A acute angle.
  • the holder of the wall 6 is done by means of two elements 10, which are held displaceably in the direction of arrows B. These elements 10 are acted upon by springs 11, so that the wall 6 can automatically adjust to different levels.
  • the right side in this case is thus movably mounted, wherein the movement in the direction of the conveyor belt is limited by a stop.
  • the guide structure arranged on the left side in the direction of transport A is formed by a drive device which accelerates a letter located on the left side of the letter box 1.
  • the drive device has a driven sideband 12, which has the same running direction A but a higher speed in relation to the conveyor belt. By the sideband 12, the adjacent letters are accelerated to the individual deduction 4 out.
  • the sideband 12 wipes the individual letters, so to speak from above from the stack.
  • the sideband 12 is mounted and driven in a known manner on rollers 13.
  • the rollers 13 are mounted on a belt plate 14, which can also be set via screws 16 running in slots 15 at a distance from the wall 6 and at an angle. The once selected setting, however, remains during operation.
  • the side band 12 and the wall 6 are arranged at an acute angle of about 2 degrees to each other and converge funnel-shaped in the transport direction.
  • the sideband 12 and the wall 6 have approached before the individual deduction 4 except for the average expected strength of a few letters.
  • the wall 6 and the sideband 12 are spaced so far that located within the letter envelope 1 letters are transported freely without lateral clamping and invest with the orientation edge completely on the underfloor belt, not claimed.
  • FIG. 3 shows a modified, unclaimed form of the device after FIG. 1 , Again, indicated by the arrow A, the direction.
  • the letters, not shown, are transported on an underfloor belt, not shown, and guided between two speed-aligned side belts 20a and 20b. So conveyed get the letters on a driven by motors 27 underfloor belt 21 and above in a braking device.
  • the braking device in addition to the accelerating sideband 22 on a braking sideband 23, which rotates slowly in the transport direction about the rollers 24 and 25.
  • the side band 23 has a high coefficient of friction and is pivotable about the axis of the roller 24 in the direction of the arrow B perpendicular to the transport direction. It is acted upon by a spring force against the letters. The slow movement of the sideband 23 leads to a uniform wear of the friction lining.
  • Behind the braking sideband 23, a further side band 26 is arranged, which leads the letters to the trigger.
  • FIG. 4 shows a ramp with an inclined channel.
  • piled letters 32 are fed to a chute, which in this case has two bevels 30 and 31, wherein the chamfer 30 has a smaller inclination than the chamfer 31.
  • the letters 32 slip in the direction of the arrow C in any orientation down into a groove 33.
  • the letters 32 meet with an edge on the located at the bottom of the channel conveyor belt 34 and are of the correspondingly closely spaced walls of the channel 33 in the vertical Location kept.
  • the conveyor belt 34 carries them at high speed in the direction of the arrow D. By the fast moving in the direction of arrow D conveyor belt 34, the letters 32 sit on their long orientation edge. This tendency to face the orientation edge is aided by the fact that the conveyor belt is inclined at the bottom of the channel by an angle 35 upwards.

Claims (10)

  1. Dispositif pour le déploiement supplémentaire d'articles plats, en particulier d'une pile de lettres, et pour la préparation en vue de la séparation de ceux-ci,
    dans lequel le dispositif comporte une bande de transport (2) pour le transport de la pile de lettres (1) disposée sur un bord,
    dans lequel la bande de transport (2) est délimitée par des structures conductrices (6, 12) des deux côtés d'une voie de guidage,
    dans lequel la bande de transport (2) et les structures conductrices (4, 12) forment un canal de transport (3),
    dans lequel la pile de lettres (1) est déployée dans le canal de transport (3) pour former une rangée de lettres juxtaposées à la manière de bardeaux,
    dans lequel l'une des structures conductrices est formée par un dispositif d'entraînement (12) accélérant le déplacement d'une lettre située de son côté de la pile, par rapport à la vitesse de la bande de transport (2),
    caractérisé par
    un dispositif de freinage (6) formant l'autre des deux structures conductrices et freinant le déplacement d'une lettre située de ce côté de la pile (1), par rapport à la vitesse de la bande de transport (2),
    dans lequel le dispositif de freinage (6) est monté de façon à pouvoir être déplacé et/ou pivoté perpendiculairement à la direction de transport,
    dans lequel le dispositif de freinage (6) comporte une paroi avec un revêtement rugueux, contre laquelle s'appliquent les lettres situées de l'autre côté de la pile.
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    le dispositif débouche dans une unité de retrait individuel (4), qui saisit respectivement la pièce individuelle (5) arrivant à la tête de la rangée et la retire.
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé par
    une voie en roue libre, qui constitue au moins une partie partielle du canal de transport (3), moyennant quoi à l'intérieur de la voie en roue libre les structures conductrices ou le dispositif de freinage (6) et le dispositif d'entraînement (12) sont espacés d'une telle largeur que les pièces individuelles se trouvant à l'intérieur des articles plats soient transportées librement sans serrage latéral et soient couchés complètement sur la bande de transport (2) par l'arête d'orientation.
  4. Dispositif selon une des revendications 1 à 3,
    caractérisé en ce que
    le dispositif d'entraînement présente une bande latérale entraînée (12), qui a par rapport à la bande de transport (2) la même direction de marche en présence d'une vitesse plus élevée, moyennant quoi les pièces individuelles reposant contre le dispositif d'entraînement sont accélérées en approchant de l'unité de retrait individuel (4).
  5. Dispositif selon une des revendications 1 à 4
    caractérisé en ce que
    les structures conductrices des deux côtés, notamment la bande latérale (12) et la paroi du dispositif de freinage (6) sont disposées l'une par rapport à l'autre à un angle de 1 à 5 degrés, moyennant quoi les structures conductrices se réunissent en forment de trémie dans la direction de transport.
  6. Dispositif selon la revendication 5,
    caractérisé en ce que
    les structures conductrices (6,12) des deux côtés se rapprochent avant l'unité de retrait individuel (4) de l'épaisseur moyenne à escompter de peu de, notamment moins de trois, pièces individuelles.
  7. Dispositif selon une des revendications 1 à 6,
    caractérisé en ce que
    le dispositif de freinage (6) est sollicité par une force de ressort dans la direction de la bande de transport (2).
  8. Dispositif selon une des revendications 1 à 7,
    caractérisé par
    une goulotte (30,31), par l'intermédiaire de laquelle les articles plats délivrés comme des pièces individuelles (32) couchées et séparées les unes des autres, tombent dans une rigole, moyennant quoi les pièces individuelles butent par une arête sur le fond de la rigole, moyennant quoi la rigole présente des parois (33), qui maintiennent les pièces individuelles dans la position verticale, moyennant quoi une bande de transport se trouve sur le fond de la rigole, laquelle transporte les pièces individuelles dressées le long de la rigole en allant vers le canal de transport.
  9. Dispositif selon la revendication 8,
    caractérisé en ce que
    la bande de transport (34) est en pente ascendante sur le fond de la rigole d'un angle de notamment plus de 30°.
  10. Dispositif selon la revendication 9,
    caractérisé en ce que
    la longueur de la bande de transport est suffisante pour garantir un placement des pièces individuelles avant le chargement dans le canal de transport.
EP04029756A 2003-12-23 2004-12-16 Dispositif pour séparer des lettres Not-in-force EP1547948B2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10361175 2003-12-23
DE10361175 2003-12-23
DE102004029712A DE102004029712A1 (de) 2003-12-23 2004-06-21 Freilauf und Vereinzelung von Briefen
DE102004029712 2004-06-21

Publications (3)

Publication Number Publication Date
EP1547948A1 EP1547948A1 (fr) 2005-06-29
EP1547948B1 EP1547948B1 (fr) 2009-09-23
EP1547948B2 true EP1547948B2 (fr) 2012-11-14

Family

ID=34553343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04029756A Not-in-force EP1547948B2 (fr) 2003-12-23 2004-12-16 Dispositif pour séparer des lettres

Country Status (2)

Country Link
US (1) US7735827B2 (fr)
EP (1) EP1547948B2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1953104B1 (fr) * 2007-01-31 2010-09-08 Neopost Technologies Système multi-stations et procédé de traitement d'envois postaux en papier
JP5000427B2 (ja) * 2007-08-21 2012-08-15 京セラドキュメントソリューションズ株式会社 自動原稿給送装置および画像形成装置
DE102010027107A1 (de) * 2010-07-14 2012-01-19 Siemens Aktiengesellschaft Aufricht-Vorrichtung und Aufricht-Verfahren für flache Gegenstände

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DE10212024A1 (de) † 2002-03-19 2003-10-16 Interroll Holding Ag S Antonin Vorrichtung und Verfahren zum Vereinzeln von flächigen Stückgütern

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US2941653A (en) † 1957-12-02 1960-06-21 Emerson Radio & Phonograph Cor Mail handling apparatus
US4691913A (en) † 1984-12-05 1987-09-08 Licentia Patent-Verwaltungs-Gmbh Separating apparatus for flat objects
DE10212024A1 (de) † 2002-03-19 2003-10-16 Interroll Holding Ag S Antonin Vorrichtung und Verfahren zum Vereinzeln von flächigen Stückgütern

Also Published As

Publication number Publication date
EP1547948A1 (fr) 2005-06-29
US7735827B2 (en) 2010-06-15
EP1547948B1 (fr) 2009-09-23
US20050146089A1 (en) 2005-07-07

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