EP2310307A2 - Dispositif d'éjection d'un objet plat - Google Patents

Dispositif d'éjection d'un objet plat

Info

Publication number
EP2310307A2
EP2310307A2 EP09781096A EP09781096A EP2310307A2 EP 2310307 A2 EP2310307 A2 EP 2310307A2 EP 09781096 A EP09781096 A EP 09781096A EP 09781096 A EP09781096 A EP 09781096A EP 2310307 A2 EP2310307 A2 EP 2310307A2
Authority
EP
European Patent Office
Prior art keywords
switch
transport path
roller
conveyor belt
main transport
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.)
Withdrawn
Application number
EP09781096A
Other languages
German (de)
English (en)
Inventor
Armin Zimmermann
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.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP2310307A2 publication Critical patent/EP2310307A2/fr
Withdrawn legal-status Critical Current

Links

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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip
    • B65H2404/2613—Means for changing the transport path, e.g. deforming, lengthening
    • 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 invention relates to a device for discharging egg ⁇ nes object, in particular a flat mail item, from a transport path.
  • a device having the features of the preamble of claim 1 is known from EP 1133444 Bl.
  • the descriptions there ⁇ ne switch is used in a sorting plant, in order to discharge flat mail items from a main transport path into a branch off constricting transport path.
  • the switch comprises two Operaablenkiata which are rigidly and firmly connected to each other and are pivotable about a common pivot axis.
  • a rotationally symmetric roller is connected to the switch so that the axis of symmetry of the roller coincides with the pivot axis.
  • On the role is a Forderband the abzwei ⁇ ing transport path.
  • the invention has for its object to provide a device with the features of the preamble of claim 1, which is able to Schwarzschleusen articles of different thickness and stiffness without slippage of a transported object occurs.
  • the object is achieved by a device having the features of claim 1.
  • the device according to the invention is designed to leave an object optionally in a main transport path or to discharge it into a branching transport path.
  • the device comprises
  • the first driver device is configured to temporarily capture an object and transport it in the main transport path.
  • the second driver device is designed to temporarily grasp an object and to transport it in the branching transport path.
  • the first Ford facility includes
  • the conveyor belt and the counter-Forderelement are configured to take an object temporarily in a clamping area between the conveyor belt and the counter-Forderelement and to transport the captured object.
  • the counter-Forderelement is, for example, also a conveyor belt or a sliding element on which transported objects with low friction can slide along.
  • the conveyor belt is attached to the roll.
  • the switch is pivotable about a switch pivot axis between a rest position and at least one ejection position.
  • the switch is configured to divert an item in each transfer position into the branching transport path and to leave the item in the idle position in the main transport path.
  • the roller is connected to the switch in such a way that between the axis of symmetry of the roller and the switch pivot axis, a lever arm occurs.
  • the roller is also connected to the turnout such that pivoting the turnout into an ejection position causes the roller, the conveyor belt and the clamping area adjacent to the roller to be displaced perpendicular to the turnout pivot axis.
  • Roll is applied, moved together with the role, in a direction perpendicular to the switch pivot axis.
  • the solution according to the device can be used in an arrangement that ejects articles with high rigidity in the branching transport path and leaves objects with ge ⁇ ringerer rigidity in the main transport path and thereby ensures that an object is always taken from at least one of the two Forder wornen.
  • Prior art devices require that the articles remain with high rigidity in the main transport path and the articles are discharged with less rigidity in the branch ⁇ the transport path.
  • the discharge device additionally comprises a guiding device.
  • a guiding device This then, when the switch is in a discharge position, in conjunction with the switch deflects an object in the branching transport path.
  • the guide device allows an arrangement in which the switch must be pivoted by a smaller angle than without guide device, even if a stiff and thick object is scholarschleusen.
  • the switch may preferably be pivoted into a standard ejection position and beyond this standard ejection position into at least one further ejection position.
  • a turnout drive is able to swivel the turnout from the rest position to the standard take-out position. Every item that is transported in the main transport path and that has to be ejected will hit the switch if it is in the standard ejection position.
  • a stiff transported article can pivot the switch beyond the standard reject position. This avoids that the rigid object between the switch and a leadership role of a conveyor belt is ⁇ clamped.
  • this embodiment is combined with the oblique Fuhrungs arthritis.
  • the oblique guide means is positioned so that a stiff object near the front end of the switch blade abuts the switch when the switch is in the standard ejection position. This ensures that the points drive must cause only a pivoting, which is as low as possible. This causes a quick changeover between the rest position and an ejection position.
  • Fig. 1 the Ausschleus-Vor ⁇ chtung m top view with the switch m the standard-Ausschleus-position at the moment in which a subsequent thick mail item reaches the switch and a leading thin mail item has already been discharged;
  • FIG. 3 shows the rejection device of FIG. 2 at the moment in which the front edge of the subsequent thick mail item has reached the branching transport path;
  • the solution according to the device is used in a sorting system that sorts flat postal items, z. B. Standard and large letters, magazines and postcards. These mail items pass through the sorting system in a flow of flat and spaced postal items.
  • the sorting would be a measuring device, which is arranged upstream of the loops-out device and measures, for each continuous mail item, whether the mail item is machine-capable or not. For example, this measuring device measures the rigidity of each mail item.
  • a method and apparatus for the rigidity of mail to mes ⁇ sen are, for. B. from DE 19600231 C2, EP 1542811 Bl and DE 102007034070 Al known.
  • the measuring device is connected to the discharge device.
  • the ejection device according to the present invention is used to eject the non-machine-capable mail pieces from the stream of mailpieces.
  • a stream of flat and spaced mailings - both machine-usable and non-machine-capable - reaches the rejection device.
  • very flexible and very stiff mailpieces and also mailpieces of a different bending stiffness can occur.
  • the lengths of the transported mail items - seen in the transport direction - may also vary. The order or sequence of bending stiffnesses or lengths can not be predicted.
  • the ejection device discharges the non-machine-capable mail items into a branching transport path and leaves the machine-capable mailpieces in a main transport path. This procedure reduces the risk that a mail piece damaged during removal, z. B. kinked, is. Because the ejected mail items are stiff objects that are more resistant to mechanical stress than the non-discharged machine-capable.
  • the machine-capable mail items which remain in the main transport path, then pass through the sorting system in a stream of successive mailpieces.
  • the sorting system reads the respective delivery address with which a mailpiece is provided and discharges the mailpiece into one of many output devices.
  • the output unit tion is for example a fixed output tray or a container. In which output device the sorting system ejects the mail item, depends on the read delivery address. In one embodiment, a branching leads in each case
  • the Ausschleusungs-Vor ⁇ chtung several endless conveyor belts, which are guided around at least three roles around.
  • Each conveyor band wraps around the roller with a wrap of at least three degrees.
  • exactly one of the rollers, around which a conveyor belt is guided around, driven, and the other rollers are designed as rollers.
  • the conveyor belts are arranged so that a mail item is transported upright and at the same time is clamped between two endless conveyor belts.
  • the axes of rotation of the rollers are perpendicular and are all parallel to each other.
  • FIGS. 1 to 4 show the rejection device in plan view. Shown is a leading thin mail piece PsI, a subsequent thick and rigid mail piece Ps2 and another subsequent thin mail piece Ps3.
  • the figures show the following endless conveyor belts and rollers: a conveyor belt F1, which is guided around the rollers R1, R2, R3 and R4,
  • a conveyor belt F2 the u. a. around the rollers R3, R5 and R7 around, - a conveyor belt F3, the u. a. around the rollers R6 and R7, and
  • a conveyor belt F4 the u. a. is guided around the rollers R2 and R8 around.
  • All four conveyor belts are configured in the exemplary embodiment as elastic endless conveyor belts which stretch and twist around their respective longitudinal axis. They are un ⁇ ter tension around the respective roles around led.
  • the For ⁇ derband Fl acts as a counter-Forderelement to Forderband F2.
  • the conveyor belts Fl and F2 and a portion of the conveyor belt F4 form a first Forder issued belonging to a main transport path Tl.
  • This first conveying device is adapted, reindeer to be transported in a main transporting direction Tri flat mail items in the main transport path Tl.
  • the conveyor belt F3 and the other portion of the Forder ⁇ bands F4 form a second conveying device, which belongs to a branched transport path T2. This transport path T2 branches off from the main transport path T1.
  • This second conveying device is designed to transport flat mail items in the branching transport path T2 in a branching transport direction Tr2.
  • the conveyor belt F4 thus belongs with a front section to the main transport path T1 and with a rear section to the branching transport path T2.
  • the conveyor belts Fl and F2 form between them a clamping area K1.
  • the conveyor belts F1, F2 are arranged such that they are able to grasp a flat mail item temporarily between them in the clamping area K1 and thereby supply the collected mail item in the main transport path T1 transport wealth, that the conveyor belts Fl, F2 move at the same speed. Accordingly, the conveyor belts form Fl, F4 ei ⁇ NEN further clamping area KIL.
  • the conveyor belts F3, F4 form a clamping area in the branching transport path T2. Whether a mail item in the main transport path Tl is transported or is funneled into the branching transport path T2 from ⁇ , depends on the position of a switch from W.
  • This switch W is pivotable about a switch pivot axis Dl, which is perpendicular to the plane of the figures.
  • the switch W is rotatably mounted about the switch pivot axis Dl.
  • the switch W for example, rotatably seated on a stationary shaft.
  • the switch point WZ of the switch W projects into the main transport path Tl.
  • the conveyor belts Fl and F2 pass through an approximately rectangular recess through which is let into the Wei WZ ⁇ chenzunge and can not be seen in the top view of FIGS.
  • the switch tongue WZ therefore has the shape of a U with horizontal legs.
  • the surface of the switch W is made of a smooth material, so that the mail with as small as possible
  • the surfaces of the conveyor belts are made of a non-slip material with a high coefficient of friction in order to be able to transport the mail without slippage in the clamping area.
  • the side facing the main transport path Tl side of the switch W is slightly curved so that when the switch W is in a reject position, a mail piece is gradually and not jerky deflected in the branching Transport Rich ⁇ tion Tr2.
  • a switch drive to which is schematically shown in the figures can, the diverter W together with the switch blade tool between a position in which the diverter W mailpieces in the main transport path Tl belasst (resting position), and a Po ⁇ sition, in which the switch W postal items in the branching Transport path T2 ejected (a reject position) to swing back and forth.
  • the point drive can switch back and forth to the point W between the rest position and a standard ejection position.
  • the point drive An is controlled by a control device which is connected to the measuring device.
  • the control unit controls the switch drive An, whereupon the switch drive An pivots to the switch in the standard ejection position.
  • a ruching device pivots the switch back into the rest position.
  • the switch W is in the rest position, in Fig. 1 in the standard ejection position.
  • the discharge Vor ⁇ chtung further comprises a Fuhrungs- device FE, the z. B. has the form of a baffle and is fixed in place.
  • the surface of the guide device facing the main transport path T 1 can be curved straight away or else away from the main transport path T 1.
  • Between this Fühungsein ⁇ chtung FE and the roller R2 occurs at a distance which is greater than the thickness of the thickest transported mail item.
  • the Fuhrungsein ⁇ chtung FE deflects in conjunction with the switch W mail items in the direction of the branching transport path T2.
  • the turnout drive to the switch W only needs to pivot by a smaller angle from the rest position to the standard Ausschleus position. Without Fuhrungsemcardi the switch W had to be pivoted by a larger angle from the rest position to the ejection position to ensure that each mail item to be discharged into the branching transport path T2 is detected by the switch point WZ.
  • the switch W can be pivoted beyond the standard rotary out position to the switch axis of rotation Dl, but then no longer from the switch drive An, but by a stiff mail item that isstriaschleusen and meets the switch W, in the Standard ejection position is.
  • the mail item arrives while the first requesting device F1, F2 transports the mail item in the main transport direction Tri. This prevents that a stiff and long mail item between the switch W and the rollers Rl and R2 is clamped.
  • the switch is pivoted against the force of a spring from the rest position to a discharge position.
  • the spring returns the switch W back to the rest position.
  • the roller R3 is rotationally symmetrical with respect to a roller axis of symmetry D2.
  • the roller axis of symmetry D2 runs parallel to the switch pivot axis D1, about which the switch W can be swiveled back and forth. The distance between the two axes Dl and D2 remains constant when swinging back and forth and acts as a lever arm HA.
  • the roller R3 is designed as a roller.
  • the roller is rotatably mounted on the switch W.
  • the roller rotation axis D2, around which the roller R3 is rotatably mounted, is identical to the roller symmetry axis D2.
  • the roller R3 rotates with the driven conveyor belt F2.
  • the roller R3 has a smooth surface, and the conveyor belt F2 is guided around the roller R3 around and sliding ⁇ tet on the smooth surface.
  • the symmetry axis D2 of the rotationally symmetric roller R3 is also parallel to the switch pivot axis Dl in this embodiment.
  • the roller R3 is mounted on the switch W so that the roller R3 is located between the switch point WZ and the switch pivot axis D1.
  • the roller R3 is displaced laterally when the switch is ge ⁇ pivots W.
  • the conveyor belt F 2 also moves when the switch W is pivoted about the switch pivot axis D 1.
  • the switch W and the roller R3 are arranged so that a minimum distance (a minimum gap) L_min is not undershot between a preceding and a subsequent mail item.
  • L min is a given value.
  • the leading mail item is always pinched between two conveyor belts, even when the advance ⁇ current mailpiece only a predetermined minimum length is long and is very flexible and thin, and the subsequent mail item in the branching transport path T2 has to be diverted and is rigid. In all figures, it is shown how large the minimum gap L min is, which must be adhered to and is actually complied with.
  • a leading thin mail piece PsI and a subsequent thick and stiff mail piece Ps2 are shown.
  • a further subsequent thin mail piece Ps3 is also shown.
  • the device of the present invention ensures that the thin mail pieces PsI and Ps3 are always clamped without slipping between two opposing conveyor belts and thereby transported at the same speed as these conveyor belts, even when the thick and rigid mail item Ps2 is discharged ,
  • the minimum gap L min to be maintained between the leading mail item PsI and a subsequent mail item Ps2 is indicated in the figures.
  • the leading thin and machine-capable mail item PsI is at the height of the switch W and remains in the main transport path Tri.
  • the switch W has been pivoted to the standard ejection position.
  • the switch drive An has turned the switch W about the turnout axis Dl from the rest position to the standard release position before the following postal manure Ps2 has reached the position shown in FIG.
  • the following postal item Ps2 has a high bending stiffness. It therefore spreads the conveyor belts Fl and F4 apart. Since the conveyor belt F1 is held by the roller R1 and the conveyor belt F2 by the roller R2, the conveyor belt F1 is deflected perpendicular to the main transporting direction Tri. The mail item Ps2 touches with its leading edge the Fuhrungsem ⁇ chtung FE and is clamped between the conveyor belts Fl and F4.
  • the switch drive An needs the switch W only as far as shown in Fig. 1 to actively swing.
  • the Fuhrungsemcardi FE prevents the mail item Ps2 abuts against the switch point WZ, which could lead to damage to the mail item Ps2 or the switch point WZ, or even the mail item Ps2 is transported past the switch point WZ. Also in Fig. 2 and Fig. 3, the switch W is in a discharge position. The rigid mail piece Ps2 is gradually discharged into the branching transport path.
  • the switch W has a clearance that allows rotation of the switch W about the switch pivot axis D1, which is greater than the swing that the switch drive An actively causes. This further pivoting is effected by a stiff ejection mail item, which is shown in Fig. 2.
  • the mail item Ps2 is further transported by the conveyor belts Fl and F4 in the main transport direction Tri.
  • the rigid mail item Ps2 turns the switch W beyond the standard ejection position to the position shown in FIG. As a result, the role R3 is further postponed.
  • the leading edge of the mail piece Ps2 slides past the switch point WZ.
  • the Deutschenkan ⁇ te of the mail item Ps2 deflects the conveyor belt Fl and tightens it.
  • the Fuhrungsem ⁇ chtung FE prevents excessive deflection of the rigid mail piece Ps2 and thus excessive tightening of the conveyor belt Fl.
  • the mail item PsI is clamped by the conveyor belts F3 and F4 in a clamping area between the conveyor belts F3 and F4. Because the mailpiece Ps2 is stiff and relatively thick, it spreads the conveyor belt F4 outwardly while the conveyor belt F3 in Fig. 3 is held in position by the roller R7.
  • the roller R3 is mounted on the switch W. This has the consequence that the rigid mail item Ps2 during the
  • the recovery device is a compression or tension spring, which is arranged so that they Soft W prints in the rest position.
  • the switch drive to the switch W pivots against the spring force of the spring.
  • the switch drive An additionally designed as a recovery device.
  • the switch drive An turns the switch W from the outward transfer position about the switch rotation axis Dl back to the rest position.
  • FIG. 4 furthermore shows an additional thin, machine-capable mail item Ps3. This follows the rejected mail item Ps2 and should remain in the main transport path T1. Therefore, the switch W must then have taken the rest position again when the mail item Ps3 has reached the position shown in Fig. 4. Shown is the minimum distance L min between the mail items Ps2 and Ps3.
  • Fig. 3 When discharging the Forderband Fl is stretched. This avoids an alternative embodiment.
  • the Forderband Fl is additionally guided by a roller, not shown, which is displaceable parallel to the main transport direction Tri. Moving this roller causes the available length of the conveyor belt FL to change - in the manner of a self-rolling dog leash. In the situation of Fig. 3, this roller extends the conveyor belt Fl and then shortens it again. This avoids tightening the Forderband Fl.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Sorting Of Articles (AREA)

Abstract

L'invention concerne un dispositif d'éjection d'un objet (Ps1, Ps2), en particulier d'un objet postal plat. Un premier dispositif de transport (F1, F2, F4, R3) transporte l'objet (Ps1, Ps2) sur un trajet principal de transport (T1), un deuxième dispositif de transport (F1, F3, F4) sur un trajet de transport de déviation (T2). Le dispositif possède un aiguillage (W) et est conçu pour soit laisser l'objet (Ps1, Ps2) sur le trajet principal de transport (T1), soit l'éjecter vers le trajet de transport de déviation (T2). Une bande transporteuse (F2) du premier dispositif de transport (F1, F2, F4, R3) passe sur un rouleau (R3). Ce rouleau (R3) est monté sur l'aiguillage (W). De ce fait, un pivotement de l'aiguillage (W) entre une position de repos et une position d'éjection a pour effet que le rouleau (R3) et la bande transporteuse (F2) guidée par le rouleau (R3) sont déplacés perpendiculairement à l'axe de pivotement (D1) de l'aiguillage (W).
EP09781096A 2008-07-28 2009-07-27 Dispositif d'éjection d'un objet plat Withdrawn EP2310307A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008035072A DE102008035072A1 (de) 2008-07-28 2008-07-28 Vorrichtung zum Ausschleusen eines flachen Gegenstands
PCT/EP2009/059632 WO2010012673A2 (fr) 2008-07-28 2009-07-27 Dispositif d'éjection d'un objet plat

Publications (1)

Publication Number Publication Date
EP2310307A2 true EP2310307A2 (fr) 2011-04-20

Family

ID=41478481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09781096A Withdrawn EP2310307A2 (fr) 2008-07-28 2009-07-27 Dispositif d'éjection d'un objet plat

Country Status (4)

Country Link
US (1) US8069968B2 (fr)
EP (1) EP2310307A2 (fr)
DE (1) DE102008035072A1 (fr)
WO (1) WO2010012673A2 (fr)

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FR2983743B1 (fr) 2011-12-13 2013-12-27 Solystic Machine de tri postal pour objets plats avec volet de separation
JP2014084213A (ja) * 2012-10-25 2014-05-12 Toshiba Corp 紙葉類分岐搬送装置
CN106035134A (zh) * 2016-07-01 2016-10-26 青岛牧羊人畜牧工程有限公司 一种分流斜向出鸡系统
US10351380B2 (en) * 2016-10-14 2019-07-16 A.G. Stacker Inc. Diverter conveyor
CA3164645A1 (fr) * 2020-01-27 2021-08-05 Gudmund Larsen Dispositif de transport d'une recuperatrice automatique de dechets
ES1257724Y (es) * 2020-09-10 2021-02-23 Lapeyra Y Taltavull Com S L Módulo clasificador para máquinas verificadoras de bolsas
US12312194B2 (en) 2021-08-03 2025-05-27 A. G. Stacker Inc. Diverter conveyor

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Also Published As

Publication number Publication date
WO2010012673A3 (fr) 2010-04-15
US20110203903A1 (en) 2011-08-25
WO2010012673A2 (fr) 2010-02-04
DE102008035072A1 (de) 2010-02-25
US8069968B2 (en) 2011-12-06

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