WO2011155821A1 - Système de stockage doté d'étagères porteuses mobiles le long d'une trajectoire et pourvues chacune d'un organe de courroie transporteuse entraînable en tant que surface de support - Google Patents

Système de stockage doté d'étagères porteuses mobiles le long d'une trajectoire et pourvues chacune d'un organe de courroie transporteuse entraînable en tant que surface de support Download PDF

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Publication number
WO2011155821A1
WO2011155821A1 PCT/NL2011/050365 NL2011050365W WO2011155821A1 WO 2011155821 A1 WO2011155821 A1 WO 2011155821A1 NL 2011050365 W NL2011050365 W NL 2011050365W WO 2011155821 A1 WO2011155821 A1 WO 2011155821A1
Authority
WO
WIPO (PCT)
Prior art keywords
conveyor belt
storage system
loading
organ
track
Prior art date
Application number
PCT/NL2011/050365
Other languages
English (en)
Inventor
Nicolaas Hyacinthus Maria Van Remundt
Original Assignee
Van Remundt Beheer B.V.
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 Van Remundt Beheer B.V. filed Critical Van Remundt Beheer B.V.
Priority to EP11723743.8A priority Critical patent/EP2580149A1/fr
Publication of WO2011155821A1 publication Critical patent/WO2011155821A1/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
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/04—Storage devices mechanical
    • B65G1/12—Storage devices mechanical with separate article supports or holders movable in a closed circuit to facilitate insertion or removal of articles the articles being books, documents, forms or the like
    • B65G1/127—Storage devices mechanical with separate article supports or holders movable in a closed circuit to facilitate insertion or removal of articles the articles being books, documents, forms or the like the circuit being confined in a vertical plane

Definitions

  • the invention relates to a storage system comprising a plurality of carrier shelves moveable along a conveying track.
  • Such storage systems are known in a wide variety of embodiments.
  • vertical Paternoster storage systems are known which comprise a large number of horizontal carrier shelves which are circulating along an oval track.
  • Such a Paternoster storage system presently is sold by applicant for amongst others to be used for the sorting of washed textile articles during folding and just before bringing them back to where they came from in batches of washed, sorted and folded articles wrapped in suitable hygienic wrappings.
  • a stationary shelf is arranged as loading and unloading station along the track. An employee is then able to each time scan a bar code of a washed article in front of a bar code scanner and then start to fold it up.
  • the storage system in correspondence to the scanned bar code, starts rotating until a compartment on a particular carrier shelf which corresponds to the scanned bar code is lined up with the stationary shelf. Subsequently a lamp above the respective compartment lights up and the employee is able to place the folded article in the correct compartment.
  • the employee can start unloading the entire system. For this, each batch of folded articles in a particular compartment is taken out, bundled with a rubber band and placed on a conveyor belt organ which transports this batch to a wrapping installation. There the batch gets wrapped up in a plastic cover. This repeats itself until each of the compartments has been unloaded. Then all the batches are ready for transportation in a hygienic manner back to where they came from, for example a hospital, a nursing or rest home or the like.
  • a disadvantage with this known vertical Paternoster storage system is that its loading and unloading processes leave to be improved. Both the loading and unloading takes up a lot of time for an employee, particularly because it is performed manually by one and the same person. This is both costly and time-consuming. Furthermore, there is the risk that the carefully folded and assembled batches of articles in the various compartments in some way get distorted during the unloading process.
  • the present invention aims to overcome one or more of the abovementioned disadvantages or to provide a usable alternative. In particular the invention aims to provide a user-friendly and efficiently operating storage system.
  • the storage system comprises a frame and a plurality of longitudinal carrier shelves.
  • Each carrier shelf has a supporting surface, in particular a substantially horizontal supporting surface, on top of which a number of articles can be placed such that they can be stored (temporarily) in the system.
  • the carrier shelves are positioned moveable one behind the other at fixed intervals along a conveying track, in particular a substantially vertically oriented conveying track.
  • At least one loading and/or unloading station is arranged along the track.
  • conveying means are provided for moving the plurality of carrier shelves along the track and with those movements passing the shelves along the loading and/or unloading station.
  • each of the carrier shelves comprises a driveable conveyor belt organ as its supporting surface.
  • the conveyor belt organ as supporting surface advantageously makes it possible to automate the loading and/or unloading process.
  • Each time that it is for example desired to unload one of the carrier shelves it suffices to position it in front of the unloading station and then start driving the conveyor belt organ of that carrier shelf. Any articles stored on top of that conveyor belt organ can then automatically be transferred from out of that carrier shelf onto the unloading station by driving the conveyor belt organ in rotation.
  • the provision of the plurality of driveable conveyor belt organs moveable at fixed intervals as an assembly along the conveyor track makes it possible to save both costs and time for a user.
  • the conveying track preferably is a closed loop shaped track with vertically directed longitudinal track parts along which the preferably substantially horizontally orientated conveyor belt organs can be moved.
  • the conveying means can then be designed to move the plurality of carrier shelves in one direction only or both clockwise and counter clockwise if desired.
  • a storage system of the Paternoster type can be obtained.
  • the conveying track may only comprise a substantially vertically directed track along which the plurality of carrier shelves including their conveyor belt organs can be moved up and down along a loading and/or unloading station.
  • the loading and/or unloading station comprises a displacement mechanism for moving the entire conveyor belt organ stopped in front of it to a loading and/or unloading position sideways of the conveying track, in particular in front thereof.
  • This has the advantage that the conveyor belt organ in this outwardly pulled/pushed loading and/or unloading position becomes more accessible for other equipment to connect thereto and/or for an operator to pick and place articles.
  • the conveyor belt organ in this position can be more easily connected to further conveying means of the loading and/or unloading station, and/or can be more easily engaged by parts of a drive unit which then can be positioned sideways of the conveying track also.
  • friction reduction means like for example roller bearings, can be provided sideways of the conveying track below the loading and/or unloading position of the conveyor belt organ.
  • Those friction reduction means serve the purpose of having a lower side of the conveyor belt organ to rest upon when moved to its loading and/or unloading position. This makes the transition of the belt organ from its position inside the conveying track towards its pulled out loading and/or unloading position outside of the track easier, particularly when the conveyor belt organ is heavily loaded with articles.
  • those friction reduction means advantageous during the pulling out of the conveyor belt organ, they also help it to run more smoothly when it gets driven in rotation during a loading or unloading action.
  • each of the conveyor belt organs of the carrier shelves with its own drive unit. Those drive units then need to move along with the carrier shelves during their movements along the track.
  • the loading and/or unloading station is equipped with a common drive unit, while furthermore an operating mechanism is provided for engaging this common drive unit with a desired conveyor belt organ when this has been stopped in front of the station.
  • the common drive unit may comprise a driveable pressure roller which by means of the operating mechanism can be pushed against the outside of the conveyor belt organ for driving it in rotation.
  • the carrier shelves preferably are of a longitudinal shape, and each comprise a set of partition walls positioned above their conveyor belt organ.
  • the partition walls subdivide each carrier shelf in a plurality of compartments along its longitudinal direction.
  • the compartments make it possible to use the storage system not only for storing articles but also to sort them out by type, seize, colour, end user, or the like.
  • the conveyor belt organ(s) can be outlined with its (their) transportation direction parallel or perpendicular to the longitudinal direction of the carrier shelves. In a preferred embodiment the conveyor belt organs each have their longitudinal transportation direction extending parallel to the longitudinal direction of the carrier shelves.
  • the loading and/or unloading station is equipped with a displacement mechanism for moving a conveyor belt organ and set of partition walls which have been stopped in front of the station, relative to one another. This relative movement is then directed in the sideways direction substantially perpendicular to the transportation direction, and clears the way for the articles placed in the various compartments of the respective carrier shelf to be (un)loaded in one single action of driving its conveyor belt organ in rotation.
  • the displacement mechanism is designed for moving the conveyor belt organ stopped in front of the station sideways from underneath its corresponding set of partition walls and out of its carrier shelf. In this pulled out position the conveyor belt organ can then be driven in rotation without having its load running against the partition walls.
  • the displacement mechanism is designed for moving the set of partition walls stopped in front of the station sideways from above its corresponding conveyor belt organ and out of its carrier shelf. In this pulled out position the conveyor belt organ can then also be driven in rotation without having its load running against the partition walls.
  • each conveyor belt organ preferably is made of slender design.
  • this slender design is such that a maximum height between an upper and a lower track of the belt occurs which is less than 50 mm, in particular less than 10 mm.
  • the belt can then be guided over end rollers with a low-friction guidance plate extending between the upper and lower track for proper support and guidance of the belt both during storage and during (un)loading.
  • the conveyor belt organs may be supported on top of bottom plates which form part of the carrier shelves.
  • the loading and/or unloading station may comprise a stationary working platform with which the conveyor belt organ of a respective one of the carrier shelves connects during a stop.
  • this stationary working platform makes it possible for the user to perform some kind of action to the articles before placing them onto a conveyor belt organ of an aimed carrier shelf or carrier shelf compartment.
  • this stationary working platform makes it possible to pull out a respective conveyor belt organ stopped in front of it and place it on top of the platform in order to drive it in rotation in this supported position.
  • the (bottom plates of the) carrier shelves and/or the mentioned platform can be provided with the abovementioned friction reduction means, like for example roller bearings, on top of which the lower side of the conveyor belt organ can rest upon when driven in rotation.
  • the loading and/or unloading station can be equipped with a stationary conveyor belt organ, or other suitable type of transportation device, with which a conveyor belt organ of a carrier shelf stopped in front of this station is able to connect. If, for example this station is the unloading station, then this stationary conveyor belt organ can lead to another type of handling apparatus, for example a wrapping installation for wrapping the various batches of articles transported thereto.
  • the loading station and the unloading station can be located at one and the same position along the track, they are preferably arranged at different positions. This makes it possible to at the same time perform a loading and an unloading operation. Also it makes it possible to provide the loading station at a height which is well reachable for a user to place articles manually onto the aimed carrier shelf or carrier shelf compartment, while the unloading station can then be provided along any other part of the track, for example an upper part, where it does not stand in the way to the user or other personnel.
  • the storage system can be used for all kinds of purposes. In particular it is used for sorting of textile articles, in particular washed textile articles to be folded and packaged.
  • the invention also relates to a method according to claim 23 or 24.
  • Fig. 1 a, b show a front and a side view of an embodiment of a Paternoster type storage system according to the invention during loading;
  • Fig. 2 a, b, c show a front, a side and a top view of the system of fig. 1 ready for unloading;
  • Fig. 3 a, b, c show a front, a cross sectional side and a top view of the system of fig. 1 during unloading;
  • Fig. 4 is a cross-sectional view of a conveyor belt organ pulled out at an unloading station showing an alternative intermediate positioning of a drive unit below the belt organ;
  • Fig. 5 shows a partial enlarged cross sectional view of fig. 4 over the line A-A; and Fig. 6 is a side view of fig. 4 showing operable limitation means for the pulled-out belt organ.
  • the system 1 comprises a plurality of storage/carrier shelves 2 mounted at fixed intervals to a chain 3 of a vertically orientated loop-shaped conveying track 4 (see fig. 3b in which two of the shelves are shown).
  • Each shelf 2 has a longitudinal direction along which a number of compartments 5 are positioned, ten in the shown example.
  • the compartments 5 are separated from each other by means of partition walls 6.
  • a bottom plate 7 is provided at the bottom side of each shelf 2 . Between this bottom plate 7 and the lower sides of the partition walls 6 a gap is present of for example 15 mm.
  • the partition walls 6 as it where are positioned floating above the bottom plate 7.
  • a motor is provided for driving the chain 3 in rotation taking the shelves 2 along and guiding them one behind the other along the track 4.
  • each of the shelves 2 is mounted to the chain 3 in such a way that all along their movement along the track 4, they are all able to maintain a position in which their bottom plate 7 is able to maintain such an orientation that articles stored in the shelves 2 do not fall of, preferably this is a substantially horizontal orientation.
  • the rotatable assembly of conveying track 4 and shelves 2 mounted thereto is placed inside a housing 10 supported by a suitable frame 1 1 .
  • the housing 10 is
  • the opening of the loading station 14 is provided at a height which makes it well possible for a user to place articles in the compartment 5 of shelves 2 via the inlet opening. In the embodiment shown this is substantially along a middle part of the vertically orientated loop shaped track 4.
  • the outlet opening of the unloading station 15 is provided near the upper side of the track 4, preferably at a height of at least 2 m so that it does not stand in the way of the user.
  • the loading station 14 is provided with a fixed stationary working platform 17 at the outside of the housing 10. This working platform 17 can be used by the user for performing actions to articles which are to be placed in the storage system 1.
  • each carrier shelf 2 comprises a horizontally directed slender driveable conveyor belt organ 20 having a total thickness of approximately 8 mm.
  • This conveyor belt organ 20 rests on top of the bottom plate 7 and extends in the
  • the transportation direction A of the conveyor belt organ 20 is parallel to the longitudinal direction of the shelf 2.
  • Each conveyor belt organ 20 comprises a pair of end rollers 21 mounted in a subframe 22.
  • a belt 23 runs over the end rollers 21 .
  • a low-friction plastic guidance plate 24 is provided which separates the lower and upper part of the belt 23 from each other.
  • the conveyor belt organ 20 thus has a length substantially equal to the carrier shelf 2 and extends over the larger part of the width of the installation 1 .
  • the user is able to efficiently and quickly fold up and sort out a batch of washed garments 25 and store them temporarily in the system 1 .
  • the user places the garments 25 stacked on their aimed compartments 5 on top of the conveyor belt organ 20 of that shelf 2.
  • the belt 23 does not rotate but is at a stand still, and the part of the belt 23 which at moment lies on the upper side forms a suitable supporting surface.
  • the unloading station 15 is provided with a stationary guidance platform 30 at the outside of the housing 10.
  • the unloading station 15 comprises a displacement mechanism formed by two controllable piston-cylinder organs 31 .
  • Those piston-cylinder organs 31 are provided with hooks 32 at their outer ends with which they are able to grip into
  • the unloading station 15 furthermore comprises a driveable pressure roller 35 at one of the ends of its platform 30.
  • a pressure roller 35 can be pushed against one of its end rollers 21 by means of a suitable operating mechanism, for example another piston-cylinder organ 35a.
  • the conveyor belt organ 20 is automatically also driven in rotation.
  • the platform 30 is provided with roller bearings 36.
  • Those roller bearings 36 also help to reduce any friction during the moving of the organ 20 in and out of its shelf 2 to and from a position on top of the platform 30. This friction can further be reduced by the provision of guidance roller bearings on the subframe 22.
  • the platform 30 connects with an up and downwardly hingeable curved railway 39 to a stationary transportation organ, in this case a stationary conveyor belt 40 which in turn connects to a wrapping installation.
  • a stationary transportation organ in this case a stationary conveyor belt 40 which in turn connects to a wrapping installation.
  • the conveyor belt organ 20 automatically unloads the garments 25 stored thereupon towards the conveyor belt 40. With this the stacks of garments 25 corresponding to the respective compartments 5 remain properly separated from each other. Thus each sorted out stack can be individually wrapped in the wrapping installation, before being transported back again to their end-users.
  • a common drivable pressure roller 50 is positioned sideways of the conveying track 4 at a position below the platform 30 of the unloading station 15.
  • the pressure roller 50 can be pushed upwards against the belt 23 by means of a suitable operating mechanism, for example two piston-cylinder organs 51 .
  • a suitable operating mechanism for example two piston-cylinder organs 51 .
  • the pressure roller 50 in its upwards driving position pushes the lower part of the belt 23 somewhat upwardly against two support rollers 52 which are positioned adjacent each other inside a slit shaped opening 53 which has been provided in the guidance plate 24.
  • limitation means are provided which are positioned sideways of the conveying track 4 at the position of the unloading station 15.
  • the limitation means are formed by two hooked organs 55 and 56 of which the one closest to the track 4 is operable by means of a piston-cylinder organ 57 towards a gripping position.
  • a control unit may be provided to control the operation of the various operating and
  • the garments to be sorted out may be provided with suitable tags, barcodes or the like which the user can scan at the position of the working platform so that the control unit can then automatically steer the conveying means such that the corresponding shelf is stopped in front of the loading station.
  • the control unit can suitably automate the unloading process of the shelves one after the other as soon as the user has given instructions for this. Partition walls are not necessary.
  • the various articles stored on top of the various conveyor belt organs can also be separated in another manner from each other, for example by means of the belts being provided with suitable partition ribs or by the articles being placed in suitable trays on top of the belts.
  • a storage system which makes it able to fully automate the loading/unloading process without a user having to perform all the actions.
  • the invention can also be used for the sorting or temporarily storing of any other kinds of articles.

Abstract

La présente invention a trait à un système de stockage (1), en particulier de type pater noster, comprenant un cadre (10), une pluralité d'étagères porteuses longitudinales (2) pourvues chacune d'une surface de support et étant placées de façon mobile les unes derrières les autres à intervalles fixes le long d'une trajectoire de transport (4), en particulier une trajectoire en forme de boucle, au moins une station de charge et/ou de décharge (14, 15) agencée le long de la trajectoire (4) et un moyen de transport permettant de déplacer la pluralité d'étagères porteuses (2) le long de la trajectoire (4) et faisant passer les étagères (2) le long de la station de charge et/ou de décharge (14, 15) de manière à ce qu'entre les mouvements des étagères porteuses (2) le long de la trajectoire (4) une étagère porteuse respective (2) se connecte à la station de charge et/ou de décharge (14, 15) au cours d'un arrêt. Chacune des étagères porteuses (2) comprend un organe de courroie transporteuse entraînable (20) en tant que surface de support.
PCT/NL2011/050365 2010-06-10 2011-05-26 Système de stockage doté d'étagères porteuses mobiles le long d'une trajectoire et pourvues chacune d'un organe de courroie transporteuse entraînable en tant que surface de support WO2011155821A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11723743.8A EP2580149A1 (fr) 2010-06-10 2011-05-26 Système de stockage doté d'étagères porteuses mobiles le long d'une trajectoire et pourvues chacune d'un organe de courroie transporteuse entraînable en tant que surface de support

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2004865A NL2004865C2 (en) 2010-06-10 2010-06-10 A storage system with carrier shelves moveable along a track and each having a driveable conveyor belt organ as supporting surface.
NL2004865 2010-06-10

Publications (1)

Publication Number Publication Date
WO2011155821A1 true WO2011155821A1 (fr) 2011-12-15

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PCT/NL2011/050365 WO2011155821A1 (fr) 2010-06-10 2011-05-26 Système de stockage doté d'étagères porteuses mobiles le long d'une trajectoire et pourvues chacune d'un organe de courroie transporteuse entraînable en tant que surface de support

Country Status (3)

Country Link
EP (1) EP2580149A1 (fr)
NL (1) NL2004865C2 (fr)
WO (1) WO2011155821A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2639188A1 (fr) * 2012-03-12 2013-09-18 Kardex Produktion Deutschland GmbH Dispositif d'alimentation et/ou d'extraction et procédé de manipulation de supports de produits stockés dans un système de stockage ainsi que système de stockage
WO2014158017A1 (fr) 2013-03-26 2014-10-02 Van Remundt Beheer B.V. Système de stockage avec étagères de support mobiles le long d'un rail avec station à hauteur réglable et commande
WO2021134102A1 (fr) * 2019-12-22 2021-07-01 Bright Machines, Inc. Mécanisme de traction de plateau d'alimentation de plateaux
US11468397B2 (en) * 2018-01-10 2022-10-11 Deutsche Post Ag Delivery vehicle for delivering consignments to a consignment cabinet, and consignment cabinet for receiving, storing and reissuing consignments

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972029C (de) * 1952-09-05 1959-05-06 Guenter-Siegfried Dipl Hilbert Automatisch be- und entladbarer Aufzug, insbesondere Umlaufaufzug, fuer Stueckgueter
DE1246575B (de) * 1965-07-21 1967-08-03 Hammelsbeck Dienst K G Lagerregal mit paternosterartig bewegbaren Auflageflaechen fuer Stueckgut
DE8706291U1 (fr) * 1987-05-02 1987-07-02 Megamat Gmbh & Co, 8909 Neuburg, De
WO2003080483A1 (fr) * 2002-03-27 2003-10-02 Slagteriernes Forskningsinstitut Appareil, dispositif et procede de manipulation d'unites de produits

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE972029C (de) * 1952-09-05 1959-05-06 Guenter-Siegfried Dipl Hilbert Automatisch be- und entladbarer Aufzug, insbesondere Umlaufaufzug, fuer Stueckgueter
DE1246575B (de) * 1965-07-21 1967-08-03 Hammelsbeck Dienst K G Lagerregal mit paternosterartig bewegbaren Auflageflaechen fuer Stueckgut
DE8706291U1 (fr) * 1987-05-02 1987-07-02 Megamat Gmbh & Co, 8909 Neuburg, De
WO2003080483A1 (fr) * 2002-03-27 2003-10-02 Slagteriernes Forskningsinstitut Appareil, dispositif et procede de manipulation d'unites de produits

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2639188A1 (fr) * 2012-03-12 2013-09-18 Kardex Produktion Deutschland GmbH Dispositif d'alimentation et/ou d'extraction et procédé de manipulation de supports de produits stockés dans un système de stockage ainsi que système de stockage
WO2014158017A1 (fr) 2013-03-26 2014-10-02 Van Remundt Beheer B.V. Système de stockage avec étagères de support mobiles le long d'un rail avec station à hauteur réglable et commande
US11468397B2 (en) * 2018-01-10 2022-10-11 Deutsche Post Ag Delivery vehicle for delivering consignments to a consignment cabinet, and consignment cabinet for receiving, storing and reissuing consignments
WO2021134102A1 (fr) * 2019-12-22 2021-07-01 Bright Machines, Inc. Mécanisme de traction de plateau d'alimentation de plateaux
US11718476B2 (en) 2019-12-22 2023-08-08 Bright Machines, Inc. Tray feeder tray pulling mechanism

Also Published As

Publication number Publication date
NL2004865C2 (en) 2011-12-13
EP2580149A1 (fr) 2013-04-17

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