EP1312427A1 - Méthode et installation pour le tri postal par moyen d'un rouleau d'accélération - Google Patents

Méthode et installation pour le tri postal par moyen d'un rouleau d'accélération Download PDF

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Publication number
EP1312427A1
EP1312427A1 EP01126999A EP01126999A EP1312427A1 EP 1312427 A1 EP1312427 A1 EP 1312427A1 EP 01126999 A EP01126999 A EP 01126999A EP 01126999 A EP01126999 A EP 01126999A EP 1312427 A1 EP1312427 A1 EP 1312427A1
Authority
EP
European Patent Office
Prior art keywords
conveyor belt
mail pieces
mail
conveying direction
pressure roller
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Withdrawn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
EP01126999A
Other languages
German (de)
English (en)
Inventor
Willy Maier
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 Schweiz AG
Original Assignee
Siemens Schweiz AG
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 Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP01126999A priority Critical patent/EP1312427A1/fr
Priority to PCT/EP2002/010040 priority patent/WO2003041879A1/fr
Publication of EP1312427A1 publication Critical patent/EP1312427A1/fr
Withdrawn legal-status Critical Current

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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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/16—Inclined tape, roller, or like article-forwarding side registers
    • B65H9/166—Roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C1/00—Measures preceding sorting according to destination
    • B07C1/02—Forming articles into a stream; Arranging articles in a stream, e.g. spacing, orientating
    • B07C1/06—Orientating; Aligning ; Aligning to one 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
    • 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
    • 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
    • B65H2301/442—Moving, forwarding, guiding material by acting on edge of handled material
    • B65H2301/4422—Moving, forwarding, guiding material by acting on edge of handled material with guide member moving in the material direction
    • 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
    • B65H2301/442—Moving, forwarding, guiding material by acting on edge of handled material
    • B65H2301/4423—Moving, forwarding, guiding material by acting on edge of handled material with guide member rotating against the edges of material
    • 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
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
    • B65H2301/44318—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material between rollers
    • 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
    • B65H2404/23—Belts with auxiliary handling means
    • B65H2404/232—Blade, plate, finger
    • 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 plant for sorting Mail pieces, especially flat letters, with the one Conveyor belt for mail pieces fed separately to the conveyor belt is provided, the conveyor belt being a feed point for the mail pieces upstream and a sorting facility for the mail items is downstream.
  • the Invention on a method for sorting mail pieces, in which the mail pieces are fed separately to a conveyor belt and from this conveyor belt into a sorting facility be fed.
  • the alignment of the mail items to the Transfer points must be carried out with very high precision, because otherwise the mail pieces will be shot incorrectly and disadvantages such as Sorting by hand, damage caused by kinks, undesirable system malfunctions can be.
  • the mail pieces are with beforehand read address information on a in recording sections divided conveyor fed, each Receiving section is fed only one piece of mail.
  • the Mail pieces are then in the individual Receiving sections isolated before; but they have to for example to measure their size and necessary for their entry into the circulating Sorting conveyor aligned to defined stops become.
  • a so-called alignment section is provided for this purpose is swept by the conveyor belt.
  • So-called inclined rollers are provided, which are at an angle to Main conveying direction are arranged and their vectorial Speed component parallel to the main direction of conveyance is greater than the speed in the main conveying direction.
  • the mail items are fed by the Oblique rollers driven on one side edge of the conveyor belt aligned.
  • This is often problematic
  • the fact that the items of mail after being fed the conveyor belt is already clean with its rear long side on stop elements that match the length of each Define receiving sections, apply. However occurs during the undesired case of their lateral alignment movement, that the mail pieces are back from the already achieved Remove backward alignment and therefore no longer are properly aligned. This behavior leads in the worst case, even to throw up the mail pieces, which also applies to those already mentioned above leads to undesirable effects.
  • the invention is therefore based on the object of a system and to specify a method for sorting mail pieces, a high level of functional reliability due to the particularly good Ensure manageability of the mail items to be sorted.
  • This task is carried out in an installation of the type mentioned Art solved according to the invention in that part of the Conveyor track covered as an alignment for the mail pieces are provided, and a first means it is provided that the mail pieces after feeding on the Conveyor belt on a conveyor running at right angles to the conveying direction Abutment elements, and a second means it is provided that the mail pieces before reaching the Alignment path defined by these stop elements spaced.
  • This task is one of the methods of the beginning mentioned type solved according to the invention in that the Post pieces after feeding on the conveyor belt across Conveying direction stop elements to bear be brought, then in the direction of conveyance of these Stop elements are spaced and subsequently with a side edge to a side border of the conveyor belt Side edge and with the rear edge to the Stop elements are aligned.
  • a particularly simple and inexpensive and nevertheless Functionally reliable first means is reached when a Brake band is used, which with the in the conveying direction moving mail pieces can be brought into frictional engagement.
  • the brake band which is fixed here, is like a kind Drag line against which the moving mail pieces are moving must enforce what with functional dimensioning only if the system elements are concerned and thus with the Feeding the conveyor belt is possible. To do it too heavier, i.e. usually also thicker mail items To guide the stop elements, the frictional engagement the brake band alone does not have sufficient retention force exhibit.
  • the brake band While it may be sufficient for the brake band as It is to be made of plastic drag strips it makes sense because of the spring element as a spring steel strip the greater retention forces to be achieved.
  • the second means is constructively simple and can be implemented cost-effectively by using the second means Is a pair of roles through which the mail pieces pass and which is driven at a speed above the speed of the conveyor belt. In this way each piece of mail goes through this pair of roles and thus receives a feed proportional to the length of the mail item relative to the conveyor belt and is so for the following lateral alignment movement sufficiently spaced.
  • the drive means to be provided is a achieved a particularly simple solution if the pair of rollers a driven accelerator roller and a spring-loaded Pressure roller includes. To be able to ensure that the mail items transported on the conveyor belt reliably obtain the desired feed by means of the pair of rollers, it is particularly useful if the accelerator roller Level of the conveyor belt penetrates.
  • Another through the intended throughput of the mail items the role pair supporting feature can be realize by making the diameter of the pinch roller larger than the diameter of the accelerator roller.
  • the mail pieces fed to the pair of rolls point usually a speed of a few meters per Second on. Because of this high speed are on the design of the pinch roller special requirements with regard to their inertia behavior. It is a kind of permanent operating condition that very thin letters and a few centimeters thick letters to each other all the time take turns and the pressure roller always turns on very quickly this changing thickness of the mail pieces must adjust so the defined feed of the mail item relative to the conveyor belt can be achieved.
  • One regarding inertia behavior advantageous solution is not the pressure roller massive, but especially as a hollow profile roll or to train as a storage wheel. The latter two Design variants allow even by putting on additional weights the inertia behavior later adjust the prevailing conditions in a plant can.
  • the desired orientation of the mail pieces can be on the Alignment route are now supported particularly well, by following the alignment path with the pair of rollers Inclined rollers penetrate the level of the conveyor belt, the Oblique rolls with reference to their vectorial speed component almost parallel to the main conveying direction as fast as the conveying speed of the conveyor belt to run. In this way one can counter the danger that the mail pieces were led too quickly to the side stop become and thereby undesirably again away from the achieved aligned position or at all put up.
  • Figure 1 shows a schematic representation of a side View of a device for feeding flat letters 2, 4, 6 to a not shown here Sorting conveyor.
  • Letters 2, 4, 6 are on one Conveyor belt 32 with a conveying direction 34 from one upward located and also not shown Feed point to a down and not further illustrated bullet point in the sorting conveyor guided.
  • Letters 2, 4, 6 are sent individually from the feed point separated with its longitudinal edge essentially perpendicular to Main conveying direction 34 oriented and lying flat on the Conveyor belt 32 transported.
  • the conveyor belt 32 is there by means arranged perpendicular to the main conveying direction 34 finger-like stop elements 8, 10, 12 into individual Funding sections divided, each a single letter 2, 4, 6 can record.
  • the letter 4 closest in the main conveying direction 34 is by means of a brake belt 28, which is on the conveyor belt from above 32 hangs down and so with letters 2, 4, 6 in rubbing Is brought into engagement, and by means of a brake rail 30, which protrudes only slightly from the level of the conveyor belt 32, retained relative to the feed of the conveyor belt 32 Service.
  • the letter 4 is held back until the Letter 4 with its rear longitudinal edge to the abuts finger-like stop elements 10 and of these by the brake band 28 and the brake rail 30 affected section of the funding path is promoted. On in this way the letter 4 is rearward Long edge on the finger-like stop elements 10, however not yet on a side edge of the conveyor belt 32 aligned.
  • the conveyor section arranged in the immediate vicinity transported letter 2 has already passed a pair of roles an accelerator roller 16 and a pressure roller 18 includes.
  • This pair of roles has the function, one with his rear edge on the finger-like stop elements 8, 10, 12 with a defined feed relative to the conveyor belt 32 from the finger-like stop elements 8, 10, 12 spacing. This distance is shown in FIG Feed distance d marked. This feed distance d enables the letter 2 on an alignment line 44 designated section of the conveyor path exposed for a to provide lateral alignment movement.
  • This lateral alignment movement is carried out by means of inclined rollers 14 initiated as normal roles in one Angles of 5 to 20 °, in the exemplary embodiment about 10 °, to Main conveying direction are arranged.
  • These inclined rollers 14 run at the speed of the conveyor belt 32, so that the component of the velocity vector is parallel to Main conveying direction is less than the speed of the Conveyor belt 32.
  • the finger-like pick up Stop elements 8 the letter 2 over the alignment section 44 seen again towards the end.
  • the letter 2 then has the for correct the entry into the actual sorting conveyor Location, which also includes the measurement of letters 2, 4, 6 allowed.
  • FIG. 2 illustrates in the schematic supervision of the conveyor route described above some details and shows the different stages of the situation from letters 36a to 36g along the conveyor line.
  • the conveyor belt 32 from conveyor belt strips 32a to 32e is constructed, each of the same height have arranged stop fingers 38a to 38g. Due to the Design of the conveyor belt 32 in several Conveyor belt strips 32a to 32e, it is easy to understand, that such a penetration of the level of the conveyor belt 32 for the brake bracket 30, the brake bands 28, the Accelerator rollers 16 and the oblique rollers 42 is given.
  • FIG. 2 shows in particular along the alignment section 44 the deliberately created spacing of letter 36e from the stop fingers 38e around the feed distance d and others like this feed distance d in the further course reduced again along the alignment path 44 and in the case of the letter 36g again goes to zero, i.e. the letter 36g lies again with its rear edge on the Stop fingers 38g.
  • the letter 38g is also a result the lateral alignment movement in the alignment direction 46 its lateral edge to the edge of the conveyor belt 32, the here by means of a conveyor running at the speed of conveyance Sideband 40 is formed, aligned.
  • the focus of the invention is therefore essentially in the achievement of the defined feed for letters 2, 4, 6, 36a to 36g by means of the accelerator roller 16 and Pinch roller 18 comprehensive pair of rollers. It is in especially the design of the pressure roller 18 important executed in the exemplary embodiment in lightweight metal construction is.
  • the pressure roller 18 is mounted on an axis of rotation 48, whose pivot point 50 above the pivot point of the pressure roller 18 lies.
  • the inertia behavior of the pressure roller 18 is therefore to be coordinated in such a way that it is always sufficient Pressure on the accelerator roller 16 is achieved.
  • On Spring element 24 provides pure gravity for one pressure adjustable within wide limits. Through a special Condition of the surface of the pressure roller 18, e.g. out Rubber, foam or other slightly adhesive Material can also adhere to letters 2, 4, 6, 36a to 36g and improved on the accelerator roller 16.
  • a second shock absorber 22 is provided behind the Pivot point 48 is coupled to the axis of rotation 50. In this way is the "opening" of the pressure roller 18 on the Accelerator roller 16 damped accordingly.
  • the Pinch roller 18 thus approaches after the exit of the thick one Letter from the pair of rollers of the accelerator roller 16 asymptotically.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sorting Of Articles (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
EP01126999A 2001-11-14 2001-11-14 Méthode et installation pour le tri postal par moyen d'un rouleau d'accélération Withdrawn EP1312427A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP01126999A EP1312427A1 (fr) 2001-11-14 2001-11-14 Méthode et installation pour le tri postal par moyen d'un rouleau d'accélération
PCT/EP2002/010040 WO2003041879A1 (fr) 2001-11-14 2002-09-07 Procede et dispositif de tri d'envois postaux au moyen d'un rouleau accelerateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01126999A EP1312427A1 (fr) 2001-11-14 2001-11-14 Méthode et installation pour le tri postal par moyen d'un rouleau d'accélération

Publications (1)

Publication Number Publication Date
EP1312427A1 true EP1312427A1 (fr) 2003-05-21

Family

ID=8179229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01126999A Withdrawn EP1312427A1 (fr) 2001-11-14 2001-11-14 Méthode et installation pour le tri postal par moyen d'un rouleau d'accélération

Country Status (2)

Country Link
EP (1) EP1312427A1 (fr)
WO (1) WO2003041879A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2428283A1 (fr) * 2010-09-10 2012-03-14 Pitney Bowes Inc. Procédé et appareil pour la justification des bords d'éléments de courrier

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1113423B (de) * 1959-03-18 1961-08-31 Telefunken Patent Einrichtung zum Ausrichten von in einer Hochkantfoerderanlage befindlichen Briefen
DE1136634B (de) * 1959-06-02 1962-09-13 Siemens Ag Foerdervorrichtung mit schrittweise das Foerdergut auf einer Gleitbahn vor sich her bewegenden Foerdermitteln
DE3604806A1 (de) * 1986-02-15 1987-08-20 Helmut Staufner Vorrichtung zum registrieren bzw. erfassen vereinzelter gegenstaende
US5755336A (en) * 1995-05-03 1998-05-26 Nale, Inc. Optical sorter, tracker and reader

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1113423B (de) * 1959-03-18 1961-08-31 Telefunken Patent Einrichtung zum Ausrichten von in einer Hochkantfoerderanlage befindlichen Briefen
DE1136634B (de) * 1959-06-02 1962-09-13 Siemens Ag Foerdervorrichtung mit schrittweise das Foerdergut auf einer Gleitbahn vor sich her bewegenden Foerdermitteln
DE3604806A1 (de) * 1986-02-15 1987-08-20 Helmut Staufner Vorrichtung zum registrieren bzw. erfassen vereinzelter gegenstaende
US5755336A (en) * 1995-05-03 1998-05-26 Nale, Inc. Optical sorter, tracker and reader

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
O.L. HIBBARD, T.H. ANDERSON: "Document Feeding And Aligning. January 1962.", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 4, no. 8, 1 January 1962 (1962-01-01), New York, US, pages 1, XP002192943 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2428283A1 (fr) * 2010-09-10 2012-03-14 Pitney Bowes Inc. Procédé et appareil pour la justification des bords d'éléments de courrier
US8800748B2 (en) 2010-09-10 2014-08-12 Pitney Bowes Inc. Method and apparatus for edge justification of mail items

Also Published As

Publication number Publication date
WO2003041879A1 (fr) 2003-05-22

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