EP2546001A1 - Système de tri pour articles postaux - Google Patents

Système de tri pour articles postaux Download PDF

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Publication number
EP2546001A1
EP2546001A1 EP11425155A EP11425155A EP2546001A1 EP 2546001 A1 EP2546001 A1 EP 2546001A1 EP 11425155 A EP11425155 A EP 11425155A EP 11425155 A EP11425155 A EP 11425155A EP 2546001 A1 EP2546001 A1 EP 2546001A1
Authority
EP
European Patent Office
Prior art keywords
belt
output
pulley
pulleys
selector device
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Withdrawn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
EP11425155A
Other languages
German (de)
English (en)
Inventor
Paolo Silingardi
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.)
Selex Elsag Datamat SpA
Original Assignee
Selex Elsag SpA
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 Selex Elsag SpA filed Critical Selex Elsag SpA
Priority to EP11425155A priority Critical patent/EP2546001A1/fr
Publication of EP2546001A1 publication Critical patent/EP2546001A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00—Sorting according to destination
    • B07C3/02—Apparatus characterised by the means used for distribution
    • B07C3/06—Linear sorting machines in which articles are removed from a stream at selected points
    • B07C3/065—Linear sorting machines in which articles are removed from a stream at selected points construction of switches therefor
    • 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
    • B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or 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
    • 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
    • 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
    • B65H2301/443—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
    • B65H2301/44316—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material between belts
    • 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
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4474—Pair of cooperating moving elements as rollers, belts forming nip into which material is transported
    • 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
    • B65H2404/25—Driving or guiding arrangements
    • B65H2404/252—Details of idler roller
    • 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
    • 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
    • B65H2404/264—Arrangement of side-by-side belts
    • 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
    • B65H2404/60—Other elements in face contact with handled material
    • B65H2404/63—Oscillating, pivoting around an axis parallel to face of material, e.g. diverting means
    • B65H2404/632—Wedge member

Definitions

  • the present invention relates to a sorting system for postal items.
  • Sorting systems are known where an input transport system provides a feed path for postal items supplied to a selector device that can route the items to a first or second output transport system providing first and second output paths. Typically, the first output path is aligned with the feed path and the second output path is transversal to it.
  • the input transport system is normally made with a first and a second belt, parallel to and facing each other in a contact area that defines the feed path; the belts extend between return pulleys and move in the same direction, transferring the postal items interposed between them to the selector device.
  • the first output path comprises a first output belt that extends from at least one first end pulley close to selector device and has a portion facing the first belt to define the first output path and a second output belt that extends from at least one second end pulley close to the selector device and has a portion facing the second belt to define the second output path.
  • the first and the second end pulleys are placed side by side, arranged with their axes parallel to each other and separated by a distance D, greater than the radius of the pulleys in order to prevent contact between the first and the second output belt.
  • first and the second pulley must not be brought closer together beyond a certain limit to avoid the respective belts mounted on them from rubbing against each other and damaging themselves.
  • the selector device is angularly movable between two positions:
  • the object of the present invention is that of providing a sorting system for postal items that allows the above-stated drawbacks to be reduced in a manner qualitatively and quantitatively superior to that feasible with known systems.
  • an input transport system provides a feed path for postal items which are supplied to a selector device that is configured to route the items alternatively to a first or to a second output transport system (9 and 10) providing respective first and second output paths; said input transport system comprising at least a first and at least a second feed belt; the sorting system further comprising: - a first output belt that extends from at least one first end pulley close to the selector device and has a portion facing said first feed belt to define a first output path; - a second output belt that extends from at least one second end pulley close to the selector device and has a portion facing an output belt to define a second output path; the selector device being angularly movable between two positions: - a first position wherein the selector device does not interfere with the movement of the postal items coming from the feed path so that the postal items are routed to the first output path; and
  • reference numeral 1 indicates, as a whole, a sorting system for flat rectangular postal items 3 (for example, letters, postcards, documents in envelopes, etc).
  • the sorting system 1 comprises an input transport system 4 that provides a feed path 5 (shown straight in the example) for postal items 3 which are supplied individually at the output of the transport system 4 to a selector device 7 that can route the items to a first or second output transport system 9 and 10 providing respective first and second output paths 11 and 12.
  • the first output path 11 is aligned with the feed path 5 and the second output path 12 is transversal to the feed path 5.
  • the input transport system 4 comprises a first and a second belt 15 and 16 parallel to and facing each other in a contact area that defines the feed path 5; the belts 15 and 16 extend between return pulleys (not shown) and move in the same direction (see arrow v) in the overlap area, moving the postal items 3, interposed between the belts 15 and 16 arranged in contact with each other, to the selector device 7.
  • the system 1 comprises a first output belt 20 that extends from at least one first end pulley 21 close to selector device 7 (see enlargement in Figure 3 ) and has a portion 20f facing the first belt 15 to define the first output path 11.
  • the system 1 further comprises a second output belt 22 that extends from at least one second end pulley 23 close to selector device 7 and has a portion facing 22f the second belt 16 to define the second output path 12.
  • the belts 20 and 22 are carried by pulleys 21 and 23, which are axially aligned with each other (see Figure 4 ) and are therefore arranged at different heights with respect to a horizontal support plate 40 that carries the pulleys 21 and 23.
  • Belts 20 and 22 normally have the same band height h, while belts 15 and 16 have a band height H equal to the sum of the band heights of belts 20 and 22 (and the space between them). In this way, a postal item 3 consequently remains pinched between the high belt 22 and nearby belt 15 and the low belt 20 and nearby belt 16 (in this regard, see Figure 4 ).
  • the band heights of belts 20 and 22 and of belts 15 and 16 depend on the geometry of the system and the size of the postal items 3.
  • belts 20, 22, 15 and 16 are represented, for simplicity, as single ones.
  • each one can be formed by several belts (typically two) that lie on the same plane, are carried by the same pulleys and move in a synchronous manner. Each of these belts has a different distance with respect to the plate 40.
  • Figure 5 shows a belt 22 formed by a first and a second belt 22a and 22b that are carried by respective coaxial pulleys 23a and 23b, lie on the same plane and move in a synchronous manner.
  • Figure 5 also shows a single-type belt 20 carried by a pulley 21 inserted between pulleys 23a and 23b.
  • Pulleys 23a, 21 and 23b are aligned in the axial direction; in particular, the distance between the axis (21h) of the first pulley (21) and the axis (23h) of the second pulleys 23a and 23b is less than the respective radii R1 and R2 of pulley 21 and the two pulleys 23a and 23b.
  • belt 20 has a lower edge facing an upper edge of belt 22b (below belt 20) and an upper edge facing a lower edge of belt 22a (above belt 20).
  • each pulley 21 and 23 is of the crowned type, i.e. having a diameter that grows from the sides to a central portion of greater diameter.
  • a multi-crowned pulley 41 can be used to provide the return of belts lying at different distances from the plate 40.
  • This pulley is shown in Figure 6 , in this example having different crowns for the various belts 18, constituted by belts 18a, 18b and 16.
  • the "multiple" belts configuration is particularly advantageous when the postal item 3 has a stiffening element at one end (typically, the spine of a magazine) which necessitates greater bending freedom in a localized area on which the belts do not overlap (in this case, the multiple belts press against opposite central areas of the postal item ); in this way, if the multiple belts move along a curved section, the stiffened part is not forced to bend in a significant manner, allowing the postal item to "cut the bend" without the constriction of the belts.
  • a stiffening element typically, the spine of a magazine
  • the selector device 7 is angularly movable between two positions:
  • the selector device 7 is operated by an actuator (not shown) that operates a movable output shaft between two angular positions.
  • an actuator for example, a motor (of 200W, not shown) or an electromagnet could be used as an actuator.
  • first and the second end pulley 21 and 23 are shown aligned in the axial direction on a single support element 30 and mounted in an eccentric manner; the distance between the axis 21h of the first pulley 21 and the axis 23h of the second pulley 23 is less than the respective radii R1 and R2 of the two pulleys 21 and 23.
  • the radii R1 and R2 of the two pulleys 21 and 23 are the same.
  • the support element 30 and pulleys 21and 23 are shown in detail in Figure 4 .
  • the support element 30 comprises a first cylindrical element 32 and a second cylindrical element aligned in the axial direction and arranged in an eccentric manner to each other; each cylindrical element 32 and 33 carries a respective pulley 21 and 23 through the interposition of a respective ball bearing 34 and 35.
  • Pulleys 22 and 23 have a more or less cylindrical structure that is smooth or crowned so as to maintain correct centring of the belts and usually have the same diameter.
  • each cylindrical element 32 and 33 has an eccentric axial hole 32h and 33h engaged by a shaft 38 that supports both cylindrical elements 32 and 33, each of which has an end portion arranged in contact with a respective end portion of the other cylindrical element.
  • the shaft 38 has a threaded lower end 38d suitable for engaging a hole made in a horizontal support plate 40 that carries the various components of the sorting system 1 and an upper end equipped with a head 39 (for example, with a hexagonal shape suitable for engaging with an associated tool) suitable for allowing the clamping of the cylindrical elements 32 and 33 by screwing the lower end 38 into the hole.
  • a head 39 for example, with a hexagonal shape suitable for engaging with an associated tool
  • the shaft 38 has a smooth central portion to ensure precise positioning of the pulleys 21 and 23.
  • the shaft 38 could also be equipped with elastic rings or shoulders (not shown) suitable for spacing out the pulleys 21 and 23.
  • the selector plate device 7 could be provided on one of its rear walls with a fairing (not shown) that prevents the postal item from rubbing on a belt that runs in the opposite direction; this fairing could also be fixed and unconstrained by the selector plate device 7.
  • the two side-by-side pulleys used in known systems are substituted by two eccentric pulleys 21 and 23 offset on different vertical planes.
  • the selector device 7 can have smaller transversal dimensions with respect to those of a selector plate used in a sorting system of a known type.
  • angle of deviation Y ( Figure 1 ) that the second output path 12 forms with respect to the feed path 5 is smaller (up to 40%, e.g. 19.8°) with respect to that achieved in similar sorting systems of known type:

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Sorting Of Articles (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
EP11425155A 2011-07-10 2011-07-10 Système de tri pour articles postaux Withdrawn EP2546001A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11425155A EP2546001A1 (fr) 2011-07-10 2011-07-10 Système de tri pour articles postaux

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11425155A EP2546001A1 (fr) 2011-07-10 2011-07-10 Système de tri pour articles postaux

Publications (1)

Publication Number Publication Date
EP2546001A1 true EP2546001A1 (fr) 2013-01-16

Family

ID=44651588

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11425155A Withdrawn EP2546001A1 (fr) 2011-07-10 2011-07-10 Système de tri pour articles postaux

Country Status (1)

Country Link
EP (1) EP2546001A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160145063A1 (en) * 2014-11-21 2016-05-26 Oce-Technologies B.V. Sheet diverting unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3424389A1 (de) * 1983-08-26 1985-03-14 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Foerdersystem fuer polygraphische produkte mit eingebauter weiche

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3424389A1 (de) * 1983-08-26 1985-03-14 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Foerdersystem fuer polygraphische produkte mit eingebauter weiche

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160145063A1 (en) * 2014-11-21 2016-05-26 Oce-Technologies B.V. Sheet diverting unit
US9845213B2 (en) * 2014-11-21 2017-12-19 Oce-Technologies B.V. Sheet diverting unit

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