EP4683874A1 - Conveyor arrangement - Google Patents

Conveyor arrangement

Info

Publication number
EP4683874A1
EP4683874A1 EP24717592.0A EP24717592A EP4683874A1 EP 4683874 A1 EP4683874 A1 EP 4683874A1 EP 24717592 A EP24717592 A EP 24717592A EP 4683874 A1 EP4683874 A1 EP 4683874A1
Authority
EP
European Patent Office
Prior art keywords
buffer
conveyor arrangement
area
belt
chute
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.)
Pending
Application number
EP24717592.0A
Other languages
German (de)
French (fr)
Inventor
Thomas EISINGER
Florian Funk
Fabian PURPUS
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.)
Interroll Holding AG
Original Assignee
Interroll Holding 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 Interroll Holding AG filed Critical Interroll Holding AG
Publication of EP4683874A1 publication Critical patent/EP4683874A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes
    • B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
    • B65G11/203—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids for articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
    • B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/34—Devices for discharging articles or materials from conveyor 
    • B65G47/46—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points
    • B65G47/51—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points according to unprogrammed signals, e.g. influenced by supply situation at destination
    • B65G47/5104—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points according to unprogrammed signals, e.g. influenced by supply situation at destination for articles
    • B65G47/5109—Devices for discharging articles or materials from conveyor  and distributing, e.g. automatically, to desired points according to unprogrammed signals, e.g. influenced by supply situation at destination for articles first In - First Out systems: FIFO
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0285—Postal items, e.g. letters, parcels

Definitions

  • the invention relates to a conveyor arrangement.
  • a sorter for example a crossbelt sorter e.g. WO 2019/002048 A1 , sorts the parcels and feeds them to the individual end points.
  • inclined chutes are used between the sorter and the end point, in which the packages slide along due to gravity. This can cause damage to the packages. In addition, package jams frequently occur, which can pressurize packages at the bottom and thus damage them.
  • EP 1 868 923 B1 discloses an end point chute with two rollers running transversely to the conveying direction of the chute and driven in the conveying direction.
  • the speed of one roller is selected to be higher than another roller the closer the respective roller is to the exit side.
  • DE 10 2010 005 267 A1 discloses a piece goods distribution system with an automatic sorting system.
  • a manual distribution area and a conveying device are provided.
  • the conveyor device has a conveyor head with a receiving area for manually placing piece goods.
  • the conveyor head can be displaced in space.
  • DE 197 19 748 C2 discloses a device for handling packages for loading and unloading a cargo hold in which the packages are stacked on top of each other.
  • EP 2 922 775 B1 discloses a brake roller based on magnetic eddy current. This brake can brake a conveyed object, but not hold it at a standstill.
  • the invention is particularly suitable for conveying postal packages as conveyed goods and/or for conveying polybags as conveyed goods.
  • Polybags are film-packed conveyed goods without a rigid outer contour.
  • a suitable conveyed item, in particular a postal package has a weight of 20kg, which does not exclude the use of lighter and heavier packages.
  • the conveyor arrangement is set up to convey a conveyed item, in particular a postal package of 50 kg.
  • polybags i.e. conveyed goods that are packaged in a film, such as items of clothing.
  • An end station is an area where the object to be conveyed is stored, at least for a short time, in order to be transferred from there to a delivery truck, for example.
  • figure 1 schematically a side view of a conventional conveyor arrangement
  • figure 2 schematically an embodiment of an inventive conveyor arrangement having a buffer device in the passing state a) in side view, b) in view along the conveying direction
  • figure 3 schematically the embodiment of figure 2 in the buffering state a) in side view, b) in view along the conveying direction
  • figure 4 schematically a side view of another embodiment of an inventive conveyor arrangement having a buffer device in the passing state
  • figure 5 schematically a side view of the embodiment of figure 4 in the buffering state
  • figure 6 schematically a side view of the embodiment of a) figure 2, b) figure 4, each having more than one buffer devices.
  • Figure 1 shows a conventional conveyor arrangement 1 .
  • An object 9 to be conveyed for example a postal package, is fed by a sorter 7, in particular a crossbelt sorter. From the sorter 7, the conveyed object 9 passes a chute 11 , in each case to a terminal destination 4. At the terminal destination 4, the conveyed object is stored temporarily in order to be transferred from there to a delivery truck 8.
  • the chutes 11 each comprise a takeover area A1 , followed by a chute area A2.
  • the conveyed object 9 slides downward at least in sections to reach a transfer area A3.
  • very large height differences are overcome in some cases. Due to space optimization, chute area A2 is therefore very steep, which leads to a large acceleration of the conveyed object 9. This could lead to damage to the conveyed object 9, in particular when it hits the terminal destination 4.
  • the below described inventive conveyor arrangement 1 comprises the features of the above explained conventional arrangement. In addition the specific features of the embodiments are described below.
  • FIGS 2 and 3 show details of an inventive development of the conveyor arrangement 1 in a first embodiment.
  • the conveyor arrangement 1 comprises a buffer device 5 capable of buffering an object 9 temporarily in the chute area A2.
  • the buffer device comprises a buffer belt 51 .
  • the buffer belt 51 is wound around deflection rollers 52, one of which is a motorized roller having an integrated belt drive 53.
  • the belt drive may alternatively be separate to the defection roller 52.
  • the operation of the buffer belt 51 is controlled by a buffer control 54.
  • the buffer belt 51 can be transferred between a passing state and a buffering state.
  • the passing state (figure 2) the object 9 can be conveyed along the chute area A2, without being stopped by the buffer belt 51 .
  • the buffering state (figure 3) the object is stopped by the buffer belt 51 with in the chute area A2.
  • the buffer belt 51 has two sections.
  • a passing section 51 P a passing window is provided.
  • the object 9 may pass the belt through the passing window, in case that the passing window is aligned with object 9.
  • the buffer belt 51 comprises a second, barrier section 51 B.
  • the barrier section 51 B is aligned in the way of the object 9, the object 9 is hindered from passing the buffer belt 51.
  • the belt For transferring the buffer belt 51 from the passing state into the buffering state, the belt is driven by the belt drive 53.
  • Sensors 55 may be provided to observe the area of the buffer belt 51 , to avoid damages to the objects 9.
  • the sensors 55 may be of any kind e.g. camera, light barrier presence sensor, or the like.
  • the buffering belt 51 has two circumferential laces 51 L, that enclose the window in the passing section 51 P and the barrier section 51 B.
  • the laces 51 L and the 51 P barrier section 5B may be made from one piece or may be made separately and joined together.
  • Figures 4 and 5 show details of an inventive development of the conveyor arrangement 1 in a second embodiment.
  • the conveyor arrangement 1 comprises a buffer device 5 capable of buffering an object 9 temporarily in the chute area A2.
  • the buffer device 5 comprises a buffer belt 51 .
  • the buffer belt 51 is held between two fasteners 56, where the buffer belt 51 is supported centrally by a deflection roller 52.
  • a belt drive 53 is adapted to change the tensioning of the buffer belt 51.
  • the buffer belt 51 can be transferred between a passing state and a buffering state.
  • the passing state (figure 4) the object 9 can be conveyed along the chute area A2.
  • the tension of the buffer belt 51 is increased, so that the objects 9 can slide along the buffer belt 51 as a part of the chute 11 rand/or the chute area A2.
  • the tension of the buffer belt 51 is decreased, so that the buffer belt 51 forms a downward curved accommodation space 57 where objects 9 can be collected.
  • the object 9 is captured by gravity within the accommodation space 57 and consequently stopped by said buffer belt 51 .
  • the buffer belt 51 is tensioned by a belt drive 53.
  • the belt drive is adapted to change the position of one of the fasteners 56.
  • the sensor 55 mentioned in the first embodiment may be provided as well in the second embodiment.
  • Figure 6 shows embodiments of the above inventive conveyor arrangements 1 , wherein more than one buffer devices 5 are comprised with in the chute area A2.
  • the buffer devices 5 are arranged subsequently so that the object 9 passes the plurality of buffer devices 5 one after the other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chutes (AREA)
  • Sorting Of Articles (AREA)

Abstract

Conveyor arrangement (1), comprising a chute (11), adapted to takeover a conveyed object (9), in particular a postal parcel (9), at a takeover area (A1), in particular from an upstream sorter (7); convey the conveyed object (9) at a transfer area (A3), in particular at a terminal destination (4); transfer the conveyed object (9) in a chute area (A2) from the takeover area (A1) to the transfer area (A3), wherein the chute (11) is inclined downwardly in the conveying direction (F) so that the conveyed object (9) is conveyed in a gravitationally sliding manner, characterized by a buffer device (5) adapted to buffer said object (9) temporarily in the chute area (A2).

Description

Conveyor arrangement
Description
The invention relates to a conveyor arrangement.
At the end points in a parcel distribution center, parcels are loaded into delivery trucks that are assigned to specific target regions. A sorter, for example a crossbelt sorter e.g. WO 2019/002048 A1 , sorts the parcels and feeds them to the individual end points. To overcome height differences, inclined chutes are used between the sorter and the end point, in which the packages slide along due to gravity. This can cause damage to the packages. In addition, package jams frequently occur, which can pressurize packages at the bottom and thus damage them.
EP 1 868 923 B1 discloses an end point chute with two rollers running transversely to the conveying direction of the chute and driven in the conveying direction. The speed of one roller is selected to be higher than another roller the closer the respective roller is to the exit side.
DE 10 2019 119 696 A1 discloses a conveying device for converting a serially transported stream of unit loads into a parallel transported stream of unit loads.
DE 10 2010 005 267 A1 discloses a piece goods distribution system with an automatic sorting system. A manual distribution area and a conveying device are provided. The conveyor device has a conveyor head with a receiving area for manually placing piece goods. The conveyor head can be displaced in space.
DE 197 19 748 C2 discloses a device for handling packages for loading and unloading a cargo hold in which the packages are stacked on top of each other.
EP 2 922 775 B1 discloses a brake roller based on magnetic eddy current. This brake can brake a conveyed object, but not hold it at a standstill.
It is the object of the present invention to provide an improved conveyor arrangement. This is solved by a device according to the main claim; embodiments are the subject of the subclaims as well as the description.
The invention is particularly suitable for conveying postal packages as conveyed goods and/or for conveying polybags as conveyed goods. Polybags are film-packed conveyed goods without a rigid outer contour. A suitable conveyed item, in particular a postal package , has a weight of 20kg, which does not exclude the use of lighter and heavier packages. In particular, the conveyor arrangement is set up to convey a conveyed item, in particular a postal package of 50 kg. In addition, it may also be possible to convey so-called polybags, i.e. conveyed goods that are packaged in a film, such as items of clothing.
An end station is an area where the object to be conveyed is stored, at least for a short time, in order to be transferred from there to a delivery truck, for example.
The invention is explained in more detail below with reference to the figures; herein show: figure 1 schematically a side view of a conventional conveyor arrangement; figure 2 schematically an embodiment of an inventive conveyor arrangement having a buffer device in the passing state a) in side view, b) in view along the conveying direction; figure 3 schematically the embodiment of figure 2 in the buffering state a) in side view, b) in view along the conveying direction; figure 4 schematically a side view of another embodiment of an inventive conveyor arrangement having a buffer device in the passing state; figure 5 schematically a side view of the embodiment of figure 4 in the buffering state; figure 6 schematically a side view of the embodiment of a) figure 2, b) figure 4, each having more than one buffer devices.
Figure 1 shows a conventional conveyor arrangement 1 . An object 9 to be conveyed, for example a postal package, is fed by a sorter 7, in particular a crossbelt sorter. From the sorter 7, the conveyed object 9 passes a chute 11 , in each case to a terminal destination 4. At the terminal destination 4, the conveyed object is stored temporarily in order to be transferred from there to a delivery truck 8.
The chutes 11 each comprise a takeover area A1 , followed by a chute area A2. In the chute area A2, the conveyed object 9 slides downward at least in sections to reach a transfer area A3. In the chute area A2, very large height differences are overcome in some cases. Due to space optimization, chute area A2 is therefore very steep, which leads to a large acceleration of the conveyed object 9. This could lead to damage to the conveyed object 9, in particular when it hits the terminal destination 4.
The below described inventive conveyor arrangement 1 comprises the features of the above explained conventional arrangement. In addition the specific features of the embodiments are described below.
Figures 2 and 3 show details of an inventive development of the conveyor arrangement 1 in a first embodiment. The conveyor arrangement 1 comprises a buffer device 5 capable of buffering an object 9 temporarily in the chute area A2.
The buffer device comprises a buffer belt 51 . The buffer belt 51 is wound around deflection rollers 52, one of which is a motorized roller having an integrated belt drive 53. The belt drive may alternatively be separate to the defection roller 52. The operation of the buffer belt 51 is controlled by a buffer control 54.
The buffer belt 51 can be transferred between a passing state and a buffering state. In the passing state (figure 2) the object 9 can be conveyed along the chute area A2, without being stopped by the buffer belt 51 . In the buffering state (figure 3) the object is stopped by the buffer belt 51 with in the chute area A2.
For enabling the above functionality the buffer belt 51 has two sections. In a first, passing section 51 P a passing window is provided. The object 9 may pass the belt through the passing window, in case that the passing window is aligned with object 9.
The buffer belt 51 comprises a second, barrier section 51 B. In case the barrier section 51 B is aligned in the way of the object 9, the object 9 is hindered from passing the buffer belt 51.
For transferring the buffer belt 51 from the passing state into the buffering state, the belt is driven by the belt drive 53. Sensors 55 may be provided to observe the area of the buffer belt 51 , to avoid damages to the objects 9. The sensors 55 may be of any kind e.g. camera, light barrier presence sensor, or the like.
The buffering belt 51 has two circumferential laces 51 L, that enclose the window in the passing section 51 P and the barrier section 51 B. The laces 51 L and the 51 P barrier section 5B may be made from one piece or may be made separately and joined together. Figures 4 and 5 show details of an inventive development of the conveyor arrangement 1 in a second embodiment. The conveyor arrangement 1 comprises a buffer device 5 capable of buffering an object 9 temporarily in the chute area A2.
The buffer device 5 comprises a buffer belt 51 . The buffer belt 51 is held between two fasteners 56, where the buffer belt 51 is supported centrally by a deflection roller 52. A belt drive 53 is adapted to change the tensioning of the buffer belt 51.
The buffer belt 51 can be transferred between a passing state and a buffering state. In the passing state (figure 4) the object 9 can be conveyed along the chute area A2. Here the tension of the buffer belt 51 is increased, so that the objects 9 can slide along the buffer belt 51 as a part of the chute 11 rand/or the chute area A2.
In the buffering state the tension of the buffer belt 51 is decreased, so that the buffer belt 51 forms a downward curved accommodation space 57 where objects 9 can be collected. The object 9 is captured by gravity within the accommodation space 57 and consequently stopped by said buffer belt 51 .
For transferring the buffer belt 51 form the passing state into the buffering state, the buffer belt 51 is tensioned by a belt drive 53. Here the belt drive is adapted to change the position of one of the fasteners 56.
The sensor 55 mentioned in the first embodiment may be provided as well in the second embodiment.
Figure 6 shows embodiments of the above inventive conveyor arrangements 1 , wherein more than one buffer devices 5 are comprised with in the chute area A2. The buffer devices 5 are arranged subsequently so that the object 9 passes the plurality of buffer devices 5 one after the other.
List of reference signs
1 conveyor arrangement
4 terminal destination
5 buffer device
7 sorter
8 delivery truck
9 object (postal parcel)
11 chute
51 buffer belt
51 B barrier section
51 P passing section
51 L lace
52 deflection roller
53 belt drive I actuator
54 buffer control
55 sensor
56 fastener
57 accommodation space
A1 takeover area
A2 chute area
A3 transfer area
F conveying direction

Claims

Claims
1. Conveyor arrangement (1), comprising a chute (11), adapted to
- takeover of a conveyed object (9), in particular a postal parcel (9), at a takeover area (A1), in particular from an upstream sorter device (7);
- convey the conveyed object (9) at a transfer area (A3), in particular at a terminal destination (4);
- transfer the conveyed object (9) in a chute area (A2) from the takeover area (A1) to the transfer area (A3), wherein the chute (11) is inclined downwardly in the conveying direction (F) so that the conveyed object (9) is conveyed in a gravitationally sliding manner, characterized by a buffer device (5) adapted to buffer said object (9) temporarily in the chute area (A2).
2. Conveyor arrangement (1) according to the preceding claim, characterized in that the buffer device (5) is adapted to release the buffered object (9) in a controlled manner.
3. Conveyor arrangement (1) according to any of the preceding claims, characterized in that the buffer device (5) comprises a buffer belt (51), which is adapted to be transferred between a buffering state and a passing state.
4. Conveyor arrangement (1) according to the preceding claim, characterized in that in the passing state the object (9) can be conveyed within the chute area (A2), that in the buffering state the object (9) is stopped by the buffering belt (51) from being conveyed within the chute area (A2).
5. Conveyor arrangement (1) according to the preceding claim, characterized by a control unit (54) and an actuator (53), wherein for transferring the buffer belt (51) between the buffering state and the passing state the control unit (54) is adapted to control operation of said actuator (53).
6. Conveyor arrangement (1) according to any of claims 4 or 5, characterized in that the buffer belt (51) comprises a passing section (51 P) and a barrier section (51 B).
7. Conveyor arrangement (1) according to the preceding claim, characterized in that in the passing state the passing section (51 P) is positioned in a manner so that the object is passing through the buffer belt (51) through the passing section (51 P); that in the buffering state the barrier section (51 B) is positioned in the way of the object (9), so that the object is held back by the barrier section (51 B).
8. Conveyor arrangement (1) according to any of claims 4 or 5, characterized in that for switching the buffer belt (51) between the passing state and the buffering state, a tension of the buffering belt (51) is changed.
9. Conveyor arrangement (1) according to any the of claims 4, 5 or 8, characterized in that in the passing state the buffer belt (51) forms a sliding surface, where the object (9) passes the buffer belt (51) by sliding along the buffer belt (51 B); that in the buffering state the tension is decreased, so that the buffer belt (51) forms a, in particular downward curved, accommodation space (57), in which the object (9) is held back in particular by gravity.
10. Conveyor arrangement (1) according to the preceding claim, characterized in that in the buffering state the accommodation space (57) is downwardly curved.
11. Conveyor arrangement (1) according to any the of the preceding claims; comprising a plurality of buffer devices (5), arranged subsequently within the chute area (A2).
12. Use of a conveyor arrangement (1) according to any the of the preceding claims for conveying an object (9).
EP24717592.0A 2023-03-22 2024-03-18 Conveyor arrangement Pending EP4683874A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023107158 2023-03-22
PCT/EP2024/057115 WO2024194238A1 (en) 2023-03-22 2024-03-18 Conveyor arrangement

Publications (1)

Publication Number Publication Date
EP4683874A1 true EP4683874A1 (en) 2026-01-28

Family

ID=90720183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24717592.0A Pending EP4683874A1 (en) 2023-03-22 2024-03-18 Conveyor arrangement

Country Status (2)

Country Link
EP (1) EP4683874A1 (en)
WO (1) WO2024194238A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH720807A1 (en) * 2023-05-25 2024-11-29 Ferag Ag RECEIVING DEVICE FOR A SORTING SYSTEM AND A SORTING SYSTEM

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5740901A (en) * 1994-01-03 1998-04-21 Lockheed Martin Corporation Apparatus and method for handling flow of packages
DE19719748C2 (en) 1997-05-09 2001-03-29 Fraunhofer Ges Forschung Device for handling piece goods, in particular parcels, for loading and unloading a loading space, and method for unloading a loading space
JP3926258B2 (en) * 2002-12-11 2007-06-06 株式会社椿本チエイン Article sorting apparatus with shooting form variable mechanism
ES2345670T3 (en) 2005-04-11 2010-09-29 Siemens Aktiengesellschaft CONVEYOR DEVICE WITH AT LEAST ONE RAMP FOR PACKAGES AND METHOD FOR STACKING PACKAGES IN A CONTAINER.
DE102010005267A1 (en) 2010-01-20 2011-07-21 nobab gmbh, 70825 Conveying device for use with attachment device for packaged goods distribution system for packaged goods, has conveying head which has receiving area for manual placing of packaged goods
US9278809B2 (en) * 2011-12-22 2016-03-08 Crisplant A/S Chute system with adjustable angle of inclination
WO2015007299A1 (en) 2013-07-18 2015-01-22 Interroll Holding Ag Roller comprising an eddy current brake
DE102017006212A1 (en) 2017-06-30 2019-01-03 Interroll Holding Ag Drive device, drive element and trolley drive
DE102019119696A1 (en) 2019-07-22 2020-07-09 Schaeffler Technologies AG & Co. KG Powertrain
US20230211960A1 (en) * 2020-06-12 2023-07-06 Laitram, L.L.C. Buffer sort
CN113753477B (en) * 2021-02-05 2023-05-02 北京京东乾石科技有限公司 Flexible chute device and transportation sorting system thereof
DE102021106255B3 (en) * 2021-03-15 2022-06-15 Interroll Holding Ag conveyor arrangement
US20240158175A1 (en) * 2021-03-16 2024-05-16 Interroll Holding Ag Conveying Arrangement

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