WO1998031617A1 - Bi-directional belt sorter - Google Patents
Bi-directional belt sorter Download PDFInfo
- Publication number
- WO1998031617A1 WO1998031617A1 PCT/US1998/001334 US9801334W WO9831617A1 WO 1998031617 A1 WO1998031617 A1 WO 1998031617A1 US 9801334 W US9801334 W US 9801334W WO 9831617 A1 WO9831617 A1 WO 9831617A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conveyor system
- support frame
- belt
- carrier
- directional
- Prior art date
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
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
- B65G17/32—Individual load-carriers
- B65G17/34—Individual load-carriers having flat surfaces, e.g. platforms, grids, forks
- B65G17/345—Individual load-carriers having flat surfaces, e.g. platforms, grids, forks the surfaces being equipped with a conveyor
-
- 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
-
- 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
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/18—Crossing conveyors
Definitions
- the present invention relates generally to a bidirectional belt sorter and, more particularly, to a bidirectional belt sorter for sorting of items into a predetermined bin located along a travel path of a conveyor system.
- Conveyor systems are configured to sort items into bins located along a travel path of the conveyor system.
- the items are placed on top of a "flat" by an order filling system, and a central controller activates a divert mechanism to control the unloading of the items on a particular flat into a predetermined bin.
- the flats travel along the conveyor system until a particular flat is located above or adjacent a predetermined bin.
- a rake is then lowered to wipe the items off the moving flat into the selected bin. Thereafter, the rake is raised to permit passage of other flats supporting items, until another item is to be unloaded from a flat into the selected bin.
- Present conveyor systems have a plurality of rakes and bins located along the travel path.
- the bins are located directly below the flats to enable the rakes to wipe the items off the traveling flat.
- Present conveyor systems restrict the location of bins to along the sides of the conveyor system thereby limiting the capacity and flexibility of the conveyor system.
- the rakes and associated actuating equipment require a substantial amount of "headroom" over the flats such that multi- level conveyor systems are not commercially feasible.
- the rakes, being movable mechanical equipment, require considerable maintenance and set-up time to ensure proper functioning.
- the present invention is a bi-directional belt sorter for unloading items into a selected bin located along a travel path of a conveyor system.
- the belt sorter includes a carrier and a support frame secured to the carrier, where the carrier has a plurality of orientations with respect to the support frame.
- the carrier includes a means for unloading items off a conveyor belt into the selected bin located to the side of or below the travel path of the conveyor system.
- the conveyor system includes a host computer for controlling the distribution of items to selected bins.
- a bi-directional belt sorter controlled and configured to unload items into a selected bin located to the side of or below the travel path of the conveyor system.
- FIGURE 1 is a top view of a two-tier conveyor system including sort bins located on the sides of and below the conveyor system with the belt sorters removed;
- FIGURE 2 is a side view of the two-tier conveyor system of FIGURE 1 including sort bins, located on the side and below the bi-directional belt sorters;
- FIGURE 3 is an end view of the conveyor system of the present invention illustrating a bi-directional belt sorter oriented for sorting items into bins located to the side of the conveyor system;
- FIGURE 4 is an end view of the bi-directional belt sorter oriented for sorting of items into bins located below the conveyor system;
- FIGURE 5 is a side view of two bi-directional belt sorters interconnected by pre-cut belts with the sorters shown in the two available orientations;
- FIGURE 6 is a top view of the two bi-directional belt sorters of FIGURE 5.
- bi-directional belt sorter 100 in accordance with the present invention.
- An order filling system such as illustrated and described in United States Patent No. 5,322,406 places items on the belt sorter 100. The items are then distributed to appropriate locations along the conveyor system 200 as illustrated in FIGURES 1 and 2.
- the order filling system as disclosed in U.S. Patent No. 5,322,406 issued to Pippin et al . is hereby incorporated into the specification.
- a detailed description of the belt sorter 100 will be discussed after detailing the interaction of a belt sorter with the conveyor system 200.
- FIGURE 1 there is illustrated a top view of the two-tier conveyor system 200 including sort bins 210 located on the side of and below the conveyor system 200. Items to be distributed are transported to the travel path of the conveyor system 200 by at least one loading ramp 240.
- the loading ramp 240 may be connected to the order filling system (not shown.) The travel path of the system will be discussed in further detail later in the description.
- the belt sorters 100 are controlled by a host computer 250 to unload items carried by each of a plurality of belt-sorters into a selected bin 210 located to the side of and below the travel path of the conveyor system 200.
- a host computer 250 to unload items carried by each of a plurality of belt-sorters into a selected bin 210 located to the side of and below the travel path of the conveyor system 200.
- FIGURE 2 there is illustrated the conveyor system 200 having a plurality of the belt sorters 100.
- the conveyor system 200 includes a transition mechanism for vertically transporting the belt sorter 100 from a first level to a second level and then return to the first level.
- the transition mechanism includes a first pair of sprocket wheels 230 (only one shown at both ends of the conveyor) and a second pair of sprocket wheels 232 (only one shown at each end of the conveyor) offset from the sprocket wheel 230 and rotated by a conventional motorized drive 246.
- the first pair of sprocket wheels 230 and the second pair of sprocket wheels 232 each have spaced pockets 234 and 236 to enable a first belt connector 72 and a second belt connector 74 of a support frame 70 (see FIGURE 5) rotate with the rotation of the sprocket wheel.
- the support frame 70 follows the travel path of the conveyor system 200. Referring to FIGURE 6, the first belt connector 72 and the second belt connector 74 are offset from one another in relation to connections to the support frame 70 such that the belt sorter 100 remains substantially horizontal during transition between the two levels of the conveyor system 200.
- the host computer 250 is preferably a programmable logic controller that communicates with each of the plurality of belt sorters
- the host computer 100 to unload items from the belt sorters into one of the plurality of selectable bins 210.
- the 250 preferably utilizes a bar code based program 252 to control the entire operation of the conveyor system 200 including the individual belt sorters 100. Also, provided along the travel path are sensors 260 in communication with the host computer 250 to indicate the location of each of the belt sorters 100 in relation to the bins 210. The sensors 260 may be optoelectronic or proximity type devices which are well known in the art.
- FIGURES 3 and 4 there is illustrated an end view of the belt-sorter 100 for sorting items into bins 210 located below or to a side of the conveyor system.
- the carrier 10 is secured to the support frame
- the carrier 10 may have multiple orientations with respect to the support frame 70; however, a side orientation (refer to FIGURE 3) and a front orientation (refer to FIGURE 4) are preferable configurations.
- a mechanical coupling may be used to change the orientation of the carrier 10 with respect to the support frame 70.
- the mechanical coupling includes a bearing 110 that rotatably connects the carrier 10 to the support frame 70.
- a front orientation stop 118 and a side orientation stop 120 positioned to engage a carrier stop 116.
- the belt sorter 100 When the carrier stop 116 and the front orientation stop 118 are engaged the belt sorter 100 has a front orientation as illustrated in FIGURE 4. When the carrier stop 116 engages the side orientation stop 120 the belt sorter 100 has a side orientation as illustrated in FIGURE 3.
- the carrier 10 is preferably rotated between the two possible orientations by controlling a solenoid 112 coupled to the host computer 250.
- the solenoid 112 is secured to the support frame 70.
- a front linkage arm 126 is connected to a first output 122 of the solenoid 112 and the carrier stop 116. Actuation of the first output 122 causes the carrier 10 to be rotated and maintained in a front orientation.
- a side linkage arm 128 is connected to a second output 124 of the solenoid 112 and the carrier stop 116. Actuation of the second output 124 causes the carrier to be rotated and maintained in a side orientation.
- the components of the mechanical coupling are individually commercially available.
- the carrier 10 includes an unloading system to distribute items to preselected bin locations.
- the unloading system includes a pair of rollers 32 and 34 rotatably supported at opposite ends on a top 12 of the carrier 10. Engaging the rollers 32 and 34 is a conveyor belt 36 that is actuated by movement of the rollers 32 and 34.
- the unloading system further includes a drive motor 38 (refer to FIGURE 4) having an output shaft 40 connected to a drive system.
- the drive system includes a drive belt 52 that connects a pair of drive pulleys 54 and 56.
- the ' first drive pulley 54 connects the roller 32 and the second drive pulley 56 connects to the output shaft 40 of the drive motor 38.
- Power for the drive motor 38 is provided by an electrified track 220 positioned along the travel path of the conveyor system 200.
- a conduct 42 connected to the drive motor 38 and terminating at the electrified track 220 encloses conductors 44 in contact with the electrified track.
- the drive motor 38 may be adapted to operate using a battery or other power source located remotely or locally near the drive motor. To unload an item from the carrier 10 the drive motor 38 is actuated by a controller 60.
- the controller 60 The controller
- the 60 receives an on-off control signal from the electrified track 22 to energize or de-energize the dive motor 38 depending on the location of the belt sorter
- the controller 60 In addition to an on-off control signal, the controller 60 also receives a forward-reverse control signal to control an operating direction of the drive motor 38 to unload items from the conveyor belt 36 in either a forward or reverse direction.
- first belt connector 72 and the second belt connector 74 rotatably connected to opposite sides of the support frame 70.
- Each of the belt connectors 72 and 74 are secured to a pin 76 rotatably mounted in the support frame 70 by means of a ball bearing 78.
- a fastener 80 secures each of the belt connectors 74 and 72 to a respective pin 76.
- Also rotatably supported to the support frame 70 are pairs of vertical rollers 90 and 92.
- the pair of vertical rollers 90 engages a first rail 212 and the pair of vertical rollers 92 engages a second rail 214.
- the first rail 212 and the second rail 214 are part of the conveyor system 200 as illustrated in Figures 1 and 2 and establish the travel path of the belt sorters 100.
- horizontal rollers 94 and 96 rotatably attached to the support frame 70.
- the horizontal rollers 94 and 96 are attached to the support frame between the pair of vertical rollers 90 and 92.
- the horizontal roller 94 engages the vertical web section of the first rail 212 and the horizontal roller 96 engages the vertical web section of the second rail 214.
- the horizontal rollers 94 and 96 along with the pairs of vertical rollers 90 and 92 establish the travel path of the belt sorter 100 in the conveyor system 200.
- a tension adjuster 20 setting the tension of the conveyor belt 36.
- the adjuster 20 is an idler roller (not shown) that is vertically adjustable to set the tension on the conveyor belt 36.
- two belt sorters 100 are shown (one oriented in line with the travel path and the second oriented transverse to the travel path) interconnected by a first pre-cut belt 64 and a second pre-cut belt 66.
- the first pre-cut belt 64 connects a pair of the first belt connectors 72
- the second pre-cut belt 66 connects a pair of the second belt connectors 74.
- the typical pre-cut belts 64 and 66 are conventional flexible timing belts or any other commercially available drive belt.
- a plurality of support frames 70 may be interconnected by using the pre-cut belts 64 and 66. Additionally, the first pre-cut belt 64 and second pre- cut belt 66 have selected lengths to determine the spacing between the belt sorters 100.
- the orientation of the carrier 10 for each belt sorter 100 may dictate the desired spacing between adjacent belt sorters. For example, a pair of carriers 10 having side orientations may be located closer to one another than if the carriers 10 had in line orientations. The orientation of the carrier 10 indicates whether an item will be unloaded on a particular side or directly below the conveyor system 200.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98904667A EP1042197A4 (en) | 1997-01-22 | 1998-01-22 | Bi-directional belt sorter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/786,906 | 1997-01-22 | ||
US08/786,906 US5901830A (en) | 1997-01-22 | 1997-01-22 | Bi-directional belt sorter |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998031617A1 true WO1998031617A1 (en) | 1998-07-23 |
Family
ID=25139911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/001334 WO1998031617A1 (en) | 1997-01-22 | 1998-01-22 | Bi-directional belt sorter |
Country Status (3)
Country | Link |
---|---|
US (1) | US5901830A (en) |
EP (1) | EP1042197A4 (en) |
WO (1) | WO1998031617A1 (en) |
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WO2010003392A1 (en) * | 2008-07-10 | 2010-01-14 | Beumer Gmbh & Co. Kg | Conveying mechanism with pushing-off device that can be driven counter to the direction of travel |
EP2295155A1 (en) * | 2009-09-09 | 2011-03-16 | ELSAG DATAMAT S.p.A. | Vertical sorting machine for objects, in particular mail |
DE202012101984U1 (en) | 2012-05-31 | 2012-06-28 | Msr Maschinen & Anlagen Gmbh | Transport and sorting device for loose and piece goods |
US8757347B2 (en) | 2010-10-22 | 2014-06-24 | Beumer Gmbh & Co. Kg | Gravity chute |
US8985310B2 (en) | 2009-02-16 | 2015-03-24 | Beumer Gmbh & Co. Kg | Sorting conveyor |
US9796538B2 (en) | 2011-10-04 | 2017-10-24 | Beumer Gmbh & Co. Kg | Conveyor apparatus |
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DE19801706A1 (en) * | 1998-01-17 | 1999-07-22 | Axmann Foerdertechnik | Device for sorting piece goods |
DE19860296B4 (en) * | 1998-12-18 | 2007-10-11 | Francotyp-Postalia Gmbh | Method and arrangement for controlling a dynamic balance |
US6471044B1 (en) | 1999-04-30 | 2002-10-29 | Siemens Electrocom, L.P. | Hold and release singulator |
EP1189707A4 (en) | 1999-04-30 | 2008-03-05 | Siemens Ag | Item singulation system |
US6953906B2 (en) * | 1999-08-02 | 2005-10-11 | Rapistan Systems Advertising Corp. | Delivery point sequencing mail sorting system with flat mail capability |
US6478138B1 (en) | 1999-10-04 | 2002-11-12 | Rapistan Systems Advertising Corp. | Double width crossbelt sorter |
US6626632B2 (en) * | 1999-12-03 | 2003-09-30 | Motoman, Inc. | Robotic order picking system |
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US6889814B2 (en) | 2001-05-30 | 2005-05-10 | Rapistan Systems Advertising Corp. | Article sortation system |
US9102336B2 (en) | 2002-10-16 | 2015-08-11 | Cross Belt Ip, L.L.C. | Portable bin for sortation system |
US8776694B2 (en) | 2002-10-16 | 2014-07-15 | Cross Belt Ip, Llc | Monorail sortation system |
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US6669001B1 (en) * | 2002-11-12 | 2003-12-30 | Mathews Conveyor, Inc. | Linear belt sorter and methods of using linear belt sorter |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010003392A1 (en) * | 2008-07-10 | 2010-01-14 | Beumer Gmbh & Co. Kg | Conveying mechanism with pushing-off device that can be driven counter to the direction of travel |
US8770380B2 (en) | 2008-07-10 | 2014-07-08 | Beumer Gmbh & Co. Kg | Conveying mechanism with pushing-off device that can be driven counter to the direction of travel |
US8985310B2 (en) | 2009-02-16 | 2015-03-24 | Beumer Gmbh & Co. Kg | Sorting conveyor |
EP2295155A1 (en) * | 2009-09-09 | 2011-03-16 | ELSAG DATAMAT S.p.A. | Vertical sorting machine for objects, in particular mail |
US8757347B2 (en) | 2010-10-22 | 2014-06-24 | Beumer Gmbh & Co. Kg | Gravity chute |
US9796538B2 (en) | 2011-10-04 | 2017-10-24 | Beumer Gmbh & Co. Kg | Conveyor apparatus |
DE202012101984U1 (en) | 2012-05-31 | 2012-06-28 | Msr Maschinen & Anlagen Gmbh | Transport and sorting device for loose and piece goods |
WO2013178383A1 (en) | 2012-05-31 | 2013-12-05 | Msr Maschinen & Anlagen Gmbh | Transport and sorting device for bulk goods and piece goods |
Also Published As
Publication number | Publication date |
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EP1042197A1 (en) | 2000-10-11 |
EP1042197A4 (en) | 2004-07-07 |
US5901830A (en) | 1999-05-11 |
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