CA1111353A - Carousel automatic storage and retrieval system - Google Patents

Carousel automatic storage and retrieval system

Info

Publication number
CA1111353A
CA1111353A CA330,459A CA330459A CA1111353A CA 1111353 A CA1111353 A CA 1111353A CA 330459 A CA330459 A CA 330459A CA 1111353 A CA1111353 A CA 1111353A
Authority
CA
Canada
Prior art keywords
carriage
track
article storage
article
rollers
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.)
Expired
Application number
CA330,459A
Other languages
French (fr)
Inventor
Clay Ii Bernard
William M. Angell
William F. Matheny, Iii
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.)
BERNARD (CLAY) SYSTEMS INTERNATIONAL Ltd
Original Assignee
BERNARD (CLAY) SYSTEMS INTERNATIONAL Ltd
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 BERNARD (CLAY) SYSTEMS INTERNATIONAL Ltd filed Critical BERNARD (CLAY) SYSTEMS INTERNATIONAL Ltd
Priority to CA330,459A priority Critical patent/CA1111353A/en
Application granted granted Critical
Publication of CA1111353A publication Critical patent/CA1111353A/en
Expired legal-status Critical Current

Links

Abstract

CAROUSEL AUTOMATIC STORAGE AND RETRIEVAL SYSTEM

Abstract of the Disclosure An article storage and retrieval system which includes a continuous track and a continuous article storage means supported from the track.
The article storage means is movable in a horizontal direction and contains a plurality of horizontally spaced and vertically extending baskets. Each basket has vertically spaced compartments. Means are included to drive the article storage means around the track. A drrrick is mounted in a fixed position adjacent to the outside of the track and includes a vertically movable article engager for placement in or withdrawal from a preselected compart-ment.
The article engager can be moved to a predetermined vertical location .
on the derrick in response to a demand to insert or withdraw a given article.
The article storage means can be moved a predetermined degree to align a preselected basket with the article engager.

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Description

Backqround of ~he lnv~ntlon 1. Fleld of the Invention Th~s invention relates to a storage a~d retrieval apparatus for small parts and the like. More particularly, this invention relates to a storage ar~d retrieval apparatus for articles such as small parts and the like that is controlled from a remote station.
~ 2. Description of the ~rior Art .
~ ystems of autoinatic storage and retrieval for inventory items to be used in warehouse applications are numerous. All storage and retrieval syste~
attempt to reduce the time taken in placing inventory items ~n storage and - ~ to reduce ~e time takeninre~rieving t~e invsntory items irom storage when des~red. Small parts frequently can not be palletized and often must be stored in bi~s or containers because of their size or ~eir delicate conslruction. ~, ...... .. . .. . . . .............................. . ... . .. .. .... ..

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~1~1353 Conventional storage and retrieval systems utilize solid storage shelves wh~3reby an extractor or picking mechanism must go to the shelf to pick the desired inventory item. This limits the conventional system to essentially one transaction each time the extractor is operated.
Therefore, it is a principal object and purpose of the p~esent invention to provide a system whereby the desired inventory items are brought to the extractor mechanism as opposed to having the solid shelves where the extractor mechanism must go to the shelf. Combining a single extractor mechanism with a number of independently operating systems to bring the 10 inventory items to the extractor will multiply the speed capabilities of the system.
It is a further object and purpose of the p~esent invention to provide an automatic storage and retrieval system whereby a vacuum pump is utilized to insert containerized inventory items in storage or extract con-tainerized inventory items from storage.
l ~ .
Surnmarv of the Invention The present invention is designed to place in storage, store~ and retrieva small parts and the like automatically upon command fromarem~te terminaL
A rigid, permanently mounted derrick includes a carriage or shuttle which moves vertically inside the supporting derrick and can accomodate two separate tote blns containing small parts s~multaneously. Turo sets of carria~e roller shuttles are chain driven. Between the two shuttles, two smaller sets of free-floating rollers are aligned. Between the two sets of Iree rollers, two tracks contain a traveling arm. Vacuum pump suction rings are mounted on the traveling arm. A tote bin that is positioned on the ~ee rolIers can be maved onto either of the roller shuttles through use of sets of chain conveyors on the carriage located between the indivi-dual rollers.

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The storage and retrieval system includes at l;cast one carousel having a top track and a bottom track. The tracks would be identical, and continuous. The derrick is aligned ad~acent to the carousel.
Each carousel includes ammber of compartmented baskets that are parallel to each other and are moved along the tracks by an electrically or hydraulically operated motor.
The multi-faceted system is controlled from a remote digital key-board operator's terminal. Normally, one tote bin would be taken from .
storage and another would be returned to storage during each vertical cycle 10 of the carriage. The placement of tote bins in the compartment levels i~
,, , - randomly done through use of a remote laser scanner. rrhe computer memory in the operator's terminal remembers where ea~h tote bin is in the systern and will retrieve the desired coded bin upon command.

Brief Description of the Drawinqs Figure 1 is a plan view of a small parts $torage and retrieval system constructed ln accordance with one embodiment of the present invention showing a derrick aligned adjacent to two carousels;
Figure 2 is a top elevation view of a small parts storage and retrieval system shown in Figure l;
20 ~ Figure 3 is a perspective view of a carrLage that would be within the derrick of the small parts storage and retrieval system shown in Figure l;
Figure 4 is a plan view of the carriage shown in Figure 3 showing part of the carriage cut-away for clarity;
Figure 5 is a top elevation view of a small parts storage and retrieval system constructed in accordance wlth an alternate embodlment of the present invention;
Figure 6 is a top elevation view of a traveling arm with suction rings attached that would be located on the carriage shown in Figure 3; and Figure 7 is a plan view of the traveling arm and suction rings shown ~n Figure 6.

-- ~11353 Detailed Description of the Preferred Embodlments Referring to the drawings in detail, Figures 1 through 4 show a system 10 of automatic storage and retrieval for small parts and the like with remote operatLon. The small parts could be stored in containers or tote bins l~e system would be utilized for a multitude of different items, such as car parts, aircraft parts and computer parts and could be used in both retail and wholesale applications.
As best seen in Figure 1, a rigid, permanently mounted derrick 12 is designed for use with small parts storage carousels 14 and 16. A carriage 10 18 moves vertically inside the supporting derrick 12 and can accomodate two separate containers or tote bins simultaneously. The carriage 18 i~cludes sets of rollers aligned in a horizontal plane. Two vertical poles 2~1 support the carriage and the carriage is slidably attached thereto. The carriage is moved vertically by an electric motor and weights attached to chaln (not shown) would be used as a counter-balance. The feeding of the carriage 18 would be from a waist-high work station or, alternatively, a conveyor 22.;
As best seen in ~igure 3, two sets of roller shuttles 24 and 26 are attached to a chain drive 28 and remotely operated. Each set of roller shuttles includes a plurality of Individual rollers 30. These two sets of 20 roller shuttles would be fed by the work station or the conveyor 22 located near the base of the derrick. In one application of the ~nvention, one shuttle 24 would be used for incoming tote bins while the other shuttle 26 would be used for outgoing tote bins. Guardrails 32 may surround part of the shuttles 24 and 26. Between the two shuttles 24 and 26, two small sets of free rollers 34 a~d 36 are aligned in the same horizontal plane. Each set of *ee rollers Includes a plurality oI IndivIdual rollers ~8.
Between these sets of free rollers 34 and 36 is a pair of tracks 40 for a travel ing arm 42. As seen in Figures 6 and 7, vacuum pump suction rings 43 are mounted on the traveling arm. The operation of the traveling 30 arm 42 is remotely controlled. As will be seen, when contact between the ~ ~L1113S3 travellng arm and the deslred container or tote bSn has been detected, a vacuum pump (not shown) connected to the rings 43 will be swltched on. A
tote bln that ~s positioned on the free-floatlng rollers 34 and 36 can be moved onto either of the roller shuttles 24 and 26 through sets of chain conveyors 44 and 46. When not in useJ the chaln conveyors are positioned slightly below the plane of the rollers on the carriage as best seen in ~igure 4.
IJpon commandJ the chain conveyors 44 and 46 are raised slightly throu(~h use of inflatable rubber bladders 48 and 50 located beneath the conveyors.
The system includes at least one storage carousel however, in the 10 ~referred embodiment, the storage and retrieval system would include at least two Independently operatlng carousels 14 and 16, mounted one above the other. It is important to note that two independently o~erating carousels aligned with a single derrick can greatly expedite the working of the system.
One carousel could be moving to bring another desired bin to the derrick while the other carousel could be moving to bring another desired bin to the derrick. Thus, as will be seen, the system can accomplish two transactions with each vertical cycle of the carriage.
The structure of each carousel includes a top track 52 and a bottom track 54. The tracks for each carousel ~ould be parallel and identical, 20 oval-like in shape with rounded ends and parallel sides as can be seen in Figure 2. The derrick 12 is aligned adjacent to one of the rounded ends of the carousels.
Each carousel includes a series of compartmented baskets 56, that move along the oval tracks. The baskets 56 are parallel to each other and would be generally perpendicular to the carriage roller sets. The baskets would be llghtweight in constructlon, consistlng of wire caging for instance.
When in storage, the tote bins 11 would rest in the various compartment levels 58 of the baskets. The tote bins when in storage might protrude slightly from the baskets. The baskets would be moved on the tracks by an elec-30 trically or hydraulically operated motor 60 located on the top track. Thebaskets in any one carousel would operate independently of the baskets in any other carousel. _ ~
..

1~11353 The system is multi-faceted and can be made to perform a va;riety of work chores. The system may be used for "kitting" whereby a series of parts are delivered to a waist-high station to be assembled.
Under normal operating conditions, one tote bSn will be taken from storage and another will be returned to storage during each vertical cycle of the carriage 18. The entlre operation of the system Ls controiled ~om a remote digital keyboard operator's termlnal (not shown). This computer terminal operates in conjunction with a remote laser scanner (not shown) which is capable of detecting bar codes 61 entered on the outside of the 10 tote blns 11. The code number of the tote bin that is desired to be removed from storage is entered into the terminal. Upon receiving the appropriate command from the operator's terminal, the baskets 56 of one carousel will be moved around the carousel tracks until the appropriate basket is aligned facing the derr~ck 12. Meanwhile, the carriage will be moved up frorn the waist-high work station or conveyor 22. When the carriage has been elevated to the correct height, it will stop, and the traveling arm will move from it~resting place until it comes in contact with the desired tote bin.
The desired tote bin will be extracted using the vacuum pump suction rings 43 on the traveling arm 42. The computer memory in the operator's terrninal 20 remembers where each tote bin is in the system and will retrieve the desired coded bin upon command. Finally, the tote bin will be moved from the free rollers 34 and 36 to the outgoing shuttle 26 through use of the chain conveyor After a desired bin has been extracted, another tote bin that has been brought from the work station or conveyor to be placed in storage can be moved from the incomlng roller shuttle 24 to the free rollers 34 and 36.
The baskets 54 will be moved around the tracks and the carriage 18 will simultaneously move vertically in order to locate an empty compartment.
The traveling arm 42 will then move the tote bin ~om the ~ee rollers 34 and .36 into the empty compartment. The placement of tote bins in the com-30 partment levels is randomly done. The computer memory will "remember"where the tote b~ has been stored in the system.

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An advantage of the present invention lies In the improved inventory control that is bullt Into the system. The computer at all times retains an a utomatic record of the tote bins ln the system.
E parts were stored in different size tote bins, the system could be programmed to deliver different size bins to different sized compartments in the baskets.
An alternative embodiment of the invention is shown in Figure 5.
A first derrick 62, oper~ting independently of a second derrick 64, would be positioned at the opposite rounded ends. The first derricks 62 could 10 operate to insert bins Into the carouselswhile the second derricks 64 could operate to extract desired bins from the carousels. Independent operation of the derricks 62 and 64 would further increase the speed capabUities of the invention.
- The conveyor 66 that feeds the inserter derricks would have a ~ue - ` area 68 which allows incoming tote bins to line up to be inserted ln any partictllar carousel. This would prevent the conveyor system 66 that feeds the derricks 62 from being backed-up in the event thatmore than one tote bin Ss to be inserted ~n the same carousel.
Whereas the present invention has been described in particular relation 20 to the drawings attached hereto it should be understood that other and further modifications of the invention, apart from those shown or suggested herein, may be made wlthtn the spirit and scope of thls Invention.

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Claims (6)

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
1. An automatic article storage and retrieval apparatus which comprises a continuous track; continuous article storage means supported from said track andmovable therearound in a horizontal direction; a plurality of horizontally spaced and vertically extending baskets located on said article storage means, each basket having vertically spaced compartments; means for driving said article storage means around said track; an elevator mounted in a fixed position adjacent the outside of said track; a carriage mounted in said elevator for vertical movement up and down adjacent said track; a horizontally movable article engaging means mounted on said carriage for movement towards and away from said baskets for article placement in and withdraw-al from a preselected compartment; said horizontally movable article engaging means including a traveling arm mounted on a pair of tracks located in said carriage below said traveling arm, said pair of tracks being substantially parallel with the direction of movement of said traveling arm; whereby articles are automatically inserted into and withdrawn from preselected compartments responsive to commands from an external source.
2. An article storage and retrieval apparatus as set forth in claim 1 wherein said traveling arm and said pair of tracks are centrally located with respect to said carriage, wherein a first plurality of spaced driven rollers are located on one side of said carriage and on one side of said traveling arm and wherein a second plurality of spaced driven rollers are located on a side of said carriage opposite from one side thereof and on a side of said traveling arm opposite from said one side thereof for feeding articles onto and off said carriage, the rotational axis of said driven rollers being transverse with respect to the movement of said traveling arm.
3. An article storage and retrieval apparatus as set forth in claim 2 wherein a first plurality of spaced and freely rotatable rollers are located on said carriage between said pair of tracks and said first plurality of driven rollers and wherein a second plurality of spaced and freely rotatable rollers are located on said carriage between said pair of tracks and said second plurality of driven rollers for supporting a container in the central portion of said carriage, said freely rotatable rollers being in axial alignment with the rollers of said first and second pluralities of spaced driven rollers.
4. An article storage and retrieval apparatus as set forth in claim 3 wherein said carriage includes a plurality of chain conveyors extending transverse to the direction of movement of said traveling arm in the spaces between the axially aligned driven and freely rotatable rollers and on both sides of said traveling arm, said chain conveyors, when not in use, being positioned slightly below an upper plane formed by the uppermost portions of all of said rollers, and means for raising the chain conveyors for moving a container disposed on the freely rotatable rollers onto either plurality of driven rollers.
5. An article storage and retrieval apparatus as set forth in claim 1 wherein a suction means is mounted on said traveling arm for engaging an article in a preselect-ed compartment for withdrawing it therefrom.
6. An article storage and retrieval apparatus as set forth in claim 1 including a second continuous track identical to the first-mentioned continuous track and locat-ed above and parallel to said first continuous track, a second continuous article stor-age means identical to the first-mentioned continuous storage means supported from said second track above said first track and movable in a horizontal direction around said second track; a second plurality of horizontally spaced and vertically extending baskets identical to the first-mentioned plurality of horizontally spaced and vertically extending baskets located on said second continuous article storage means, each basket of said second plurality of baskets having vertically spaced compartments; said second continuous article storage means being movable independently of said first article storage means.
CA330,459A 1979-06-25 1979-06-25 Carousel automatic storage and retrieval system Expired CA1111353A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA330,459A CA1111353A (en) 1979-06-25 1979-06-25 Carousel automatic storage and retrieval system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA330,459A CA1111353A (en) 1979-06-25 1979-06-25 Carousel automatic storage and retrieval system

Publications (1)

Publication Number Publication Date
CA1111353A true CA1111353A (en) 1981-10-27

Family

ID=4114539

Family Applications (1)

Application Number Title Priority Date Filing Date
CA330,459A Expired CA1111353A (en) 1979-06-25 1979-06-25 Carousel automatic storage and retrieval system

Country Status (1)

Country Link
CA (1) CA1111353A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115023401A (en) * 2020-02-04 2022-09-06 平田机工株式会社 Automated warehouse unit and automated warehouse equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115023401A (en) * 2020-02-04 2022-09-06 平田机工株式会社 Automated warehouse unit and automated warehouse equipment

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