WO2006038882A1 - Systeme transporteur de distribution bidirectionnel - Google Patents

Systeme transporteur de distribution bidirectionnel Download PDF

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Publication number
WO2006038882A1
WO2006038882A1 PCT/SG2004/000327 SG2004000327W WO2006038882A1 WO 2006038882 A1 WO2006038882 A1 WO 2006038882A1 SG 2004000327 W SG2004000327 W SG 2004000327W WO 2006038882 A1 WO2006038882 A1 WO 2006038882A1
Authority
WO
WIPO (PCT)
Prior art keywords
conveying
frame
elements
vertically adjustable
conveying element
Prior art date
Application number
PCT/SG2004/000327
Other languages
English (en)
Inventor
Yee Min Lim
Jayagopi Muthiah
Original Assignee
Inter-Roller Engineering Limited
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 Inter-Roller Engineering Limited filed Critical Inter-Roller Engineering Limited
Priority to PCT/SG2004/000327 priority Critical patent/WO2006038882A1/fr
Publication of WO2006038882A1 publication Critical patent/WO2006038882A1/fr

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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
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
    • B65G47/64—Switching conveyors
    • B65G47/644—Switching conveyors by a pivoting displacement of the switching conveyor
    • B65G47/645—Switching conveyors by a pivoting displacement of the switching conveyor about a horizontal axis
    • B65G47/647—Switching conveyors by a pivoting displacement of the switching conveyor about a horizontal axis the axis being perpendicular to the conveying direction

Definitions

  • the invention relates to a conveying system that functions as a sorter to distribute objects onto two different vertical level conveyors and also as a merger that merges objects at two different vertical levels onto one conveyor.
  • the middle conveyor (3) will come in line with either the top conveyor (2) or the bottom conveyor (4) depending on its extreme position. This enables the objects on the middle conveyor (3) to be transported either to the top conveyor (2) or the bottom conveyor (4) thus performing a process for sorting objects. By reversing the conveyor direction, the objects on the top and bottom conveyors (2 and 4) can. also be transported onto the middle conveyor (3) thus performing a process for merging objects.
  • the presently available design has a disadvantage of restricted space available below the top conveyor (2) which in turn prevents entry of objects onto the bottom conveyor (4) .
  • the objects have to wait outside the system till the top conveyor (2) swings to the top extreme position which in turn reduces the capacity durring merging process as compared to sorting process for the same system parameters.
  • the capacity of this conveying system is defined by the number of objects that can be sorted or merged per minute which in turn depends on system parameters such as conveyor speed, dimensions of the objects, switch-ing cycle times and safety gaps between objects.
  • an object for example a bag
  • the bag is held back or retained on the middle conveyor (3) if switching is not completed, i.e, the bag travel upto the transfer point on the middle conveyor during switching operation. This enables the system to achieve a higher capacity for the same system parameters.
  • the purpose of this invention is to overcome this deficiency of the present system by allowing all the three conveyors (2, 3, and 4) to switch relative to each other thus maintaining the gap between the top and bottom conveyors (2 and. 4) and which remains same throughout the switching action. Please refer to Fig. 5 (b) .
  • This invention also simplifies the switching mechanism by using a simple linkage driven system.
  • a modular unit concept was adopted while developing this system.
  • the objective of the invention is to develop a more efficient, modular design for a conveyor system that caters for an increased demand in material handling systems.
  • a new conveyor system namely the Bi- Directional Distribution Conveyor System (BDCS) unit has three conveyors that are made to move up and down relatively so that objects can enter the BDCS unit and put on hold inside at all situations.
  • the BDCS unit will have same capacity for both sorting and merging operations for the same system parameters.
  • the BDCS unit is explained using the following drawings.
  • Fig. 1 shows an overall isometric view of the distribution conveyor.
  • Fig. 2 shows the elevation view of the distribution conveyor.
  • Fig. 3 shows an isometric view of the linkage mechanism.
  • Fig. 4 shows the operational sequence of the linkage mechanism.
  • Fig. 5 shows the difference between present and the new conveyor system.
  • the BDCS unit is designed as a modular single unit and made of single fabricated steel frame (1) , which houses three belt conveyors, namely top, middle and bottom conveyors, with their mechanization, linkages, supporting shafts, actuator arms, and the oscillating drive unit. See the typical BDCS unit shown in Fig.l.
  • the BDCS main frame (1) holds at pivot points, Pl and P2, two conveyors namely the top conveyor (2) and the bottom conveyor (3) at one end of the frame using the conveyor pulley shaft and flange bearings.
  • the middle conveyor (4) is held at pivot point P3 at the opposite end of the main frame (1) using the conveyor pulley shaft and flange bearings. All these three conveyors (2, 3, and 4) are able to swing up and down using these pivot points (Pl, P2, and P3) and are independently powered by separate motors. These motors can be operated in reversible directions so that the belt can run in either forward or reverse direction for these three conveyors (2, 3, and 4) .
  • Each conveyor (2, 3, and 4) is supported by two individual supporting rods (5 and 5A, 6 and 6A and 7 and 7A) near one end while the other end is pivoted to the main frame (1) .
  • the supporting rods (5 and 5A, 6 and 6A, 7 and 7A) use swivel bearing at both ends so that they can act as a linkage during the swinging actions of the conveyors.
  • the three supporting rods (5, 6 and 7 and 5A, 6A and 7A) on one side of the conveyor are connected to form a linkage connection using a connecting plate - (8 and 8A) .
  • These connecting plates (8 and 8A) are integral parts of the main shaft assembly (9) , which is made to rotate at pivot point P4 using flange bearing mountings and an arm plate (10) .
  • the arm plate (10) is made to oscillate back and forth using an actuator arm (11) and crank shaft mechanism.
  • the crank shaft mechanism consists of a crank shaft (12) mounted on the structure using flange bearings with one end connected to drive motor (13) and the other end fitted with a crank arm (14) .
  • This crank arm (14) is attached to one end of the actuator arm (11) using a swivel bearing.
  • crank arm (14) When the drive motor (13) rotates the crank shaft (12) on pivot point P5, the crank arm (14) will also rotate.
  • the arm Plate (10) and crank arm (14) are connected to each other by the actuator arm (11) (as shown in Fig. 4) .
  • the rotational motion of the crank arm (14) is converted into an oscillating motion of the arm Plate (10) on pivot point P4 by the actuator arm (11) .
  • the oscillating motion of arm plate (10) will also make the connecting plate (8 and 8A) oscillate on pivot point P4 through the main shaft (9) .
  • the oscillating motion of the connecting plate (8 and 8A) will cause the supporting rods to move up and down and which in turn make all the three conveyors (2, 3, and 4) swing relative to each other in a pre-determined path on pivot points Pl, P2, and P3.
  • the BDCS unit can function as a sorter, when a supply conveyor feeds the objects to the middle conveyor (3) which in turn feeds ttxese objects to either the bottom conveyor (4) or thie top conveyor (2) depending on the conveyor alignment situation.
  • the objects received at one le ⁇ vel are thus distributed onto two different level conveyors.
  • the BDCS unit can also function as a merger y when two supply conveyors at different levels feed the objects to the top and bottom conveyors (2 and 4) which in turn feed these objects onto the middle conveyor (3), depending on the conveyor alignment situation. During this operation, all the three conveyors will be running in opposite directions .
  • the objects received at two different levels are thus merged onto one conveyor.
  • the middle conveyor (3) When the middle conveyor (3) is aligned witti the bottom conveyor (4) , the linkages and the to;p conveyor (2) positions are as shown in Situation 1 of Fig. 4 (a) .
  • Situation 1 objects can be transported using the bottom conveyor (4) and the middle conveyor (3) in both directions and also other objects can enter the top conveyor (2) and wait inside the system.
  • the middle conveyor (3) For transporting an obj ect at the top conveyor (2) to the middle conveyor (3) or vice versa, the middle conveyor (3) has to swing and align with the top conveyor (2) from the present in-line position with the bottom conveyor (4) .
  • the d ⁇ rive motor (13) will be activated by controls and w ⁇ ll rotate the crank shaft (12) which in turn rotates the crank arm (14) on pivot point P5.
  • This rotation of the crank arm (14) creates a pull effect orx the actuator arm (11) and oscillates the connecting plate (8) using an arm plate (10) on pivot axis point P4 as shown in Situation 2 of Fig. 4 (3o) .
  • the supporting rod linkages (5, 6, and 7) will move in a predetermined path -using pivot points Pl, P2 and P3 when connecting plate (8) oscillates. These movements of supporting rods (5, 6, and 7) will make the middle conveyor (3) swing up while the top and bottom conveyors (2 and 4) will swing downwards as shown in Situation 2 of Fig. 4 (b) .
  • the middle conveyor (3) will be aligned either to the top conveyor (2) or the bottom conveyor (3) alternatively to perform sorting and merging functions.
  • the starting and stopping of the drive motor is controlled by the inverter and. brake for the smooth operation of the swinging action and therefore avoiding any vibrations on the conveyor after stopping.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Abstract

La présente invention concerne un système transporteur bidirectionnel pour distribuer ou amalgamer des objets comprenant un châssis (1) et un premier élément transporteur sans fin pouvant être entraîné (3) soutenu de façon pivotante à une extrémité du châssis de sorte que le premier élément transporteur ait une extrémité pouvant être réglée sélectivement de façon verticale. Des deuxième et troisième éléments transporteurs sans fin pouvant être entraînés et espacés verticalement (2, 4) sont soutenus de façon pivotante et positionnés l’un sur l’autre à l’autre extrémité du châssis (1), et ont des extrémités pouvant être réglées sélectivement de façon verticale placées à côté de l’extrémité verticalement réglable du premier élément transporteur (3). Une plaque de connexion (8, 8A) est montée de façon pivotante sur le châssis et les bras de transmission (5, 5A, 6, 6A, 7, 7A) sont reliés de façon pivotante à une extrémité de chacun des éléments transporteurs. Un conducteur (10-14) pivote la plaque de connexion (8, 8A) pour permettre le mouvement des éléments transporteurs de sorte que les deuxième et troisième transporteurs restent approximativement à équidistance l’un de l’autre dans chaque position.
PCT/SG2004/000327 2004-10-07 2004-10-07 Systeme transporteur de distribution bidirectionnel WO2006038882A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SG2004/000327 WO2006038882A1 (fr) 2004-10-07 2004-10-07 Systeme transporteur de distribution bidirectionnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG2004/000327 WO2006038882A1 (fr) 2004-10-07 2004-10-07 Systeme transporteur de distribution bidirectionnel

Publications (1)

Publication Number Publication Date
WO2006038882A1 true WO2006038882A1 (fr) 2006-04-13

Family

ID=36142855

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SG2004/000327 WO2006038882A1 (fr) 2004-10-07 2004-10-07 Systeme transporteur de distribution bidirectionnel

Country Status (1)

Country Link
WO (1) WO2006038882A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017106021A1 (de) 2017-03-21 2018-09-27 Wincor Nixdorf International Gmbh Transportanordnung und Leergutannahmeanordnung
CN111302009A (zh) * 2020-03-12 2020-06-19 科捷智能装备有限公司 曲臂摆转输送装置及其方法
CN111807022A (zh) * 2019-04-12 2020-10-23 株式会社大福 输送路径切换装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997033820A1 (fr) * 1996-03-11 1997-09-18 Toyokanetsu Kabushiki Kaisha Dispositif de commutation entre voies porteuses
US6105751A (en) * 1996-09-06 2000-08-22 Vanderlande Industries Nederland B.V. Device for transporting objects
WO2002018244A1 (fr) * 2000-08-30 2002-03-07 Jervis B. Webb Company Transporteur vertical

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997033820A1 (fr) * 1996-03-11 1997-09-18 Toyokanetsu Kabushiki Kaisha Dispositif de commutation entre voies porteuses
US6105751A (en) * 1996-09-06 2000-08-22 Vanderlande Industries Nederland B.V. Device for transporting objects
WO2002018244A1 (fr) * 2000-08-30 2002-03-07 Jervis B. Webb Company Transporteur vertical

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017106021A1 (de) 2017-03-21 2018-09-27 Wincor Nixdorf International Gmbh Transportanordnung und Leergutannahmeanordnung
DE102017106021B4 (de) * 2017-03-21 2020-12-17 Wincor Nixdorf International Gmbh Leergutannahmeanordnung
CN111807022A (zh) * 2019-04-12 2020-10-23 株式会社大福 输送路径切换装置
US11167935B2 (en) 2019-04-12 2021-11-09 Daifuku Co., Ltd. Transportation path diverter
CN111302009A (zh) * 2020-03-12 2020-06-19 科捷智能装备有限公司 曲臂摆转输送装置及其方法

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