JP2022079970A - Article storage facility - Google Patents

Abstract

To realize an article storage facility which enables articles to be carried into/out from stacking racks efficiently.SOLUTION: An article storage facility 1 includes a first stacking rack 2, a second stacking rack 3, a first standby station 4 located adjacent to an end at a second side in a first direction of the first stacking rack 2; a second standby station 5 located adjacent to an end at a first side in the first direction of the second stacking rack 3 at the second side in the first direction of the first standby station 4; and a lifting device 6 located between the first standby station 4 and the second standby station 5. The lifting device 6 has: a first lifting unit 7 having a first lift conveyor 17 and a first lifting mechanism which moves up or down a first ramp 18 supporting the first lift conveyor 17; and a second lifting unit 8 having a second lift conveyor 21 and a second lifting mechanism which moves up or down a second ramp 22 supporting the second lift conveyor 21. The first lifting unit 7 and the second lifting unit 8 are moved up or down independently.SELECTED DRAWING: Figure 1

Description

The present invention relates to an article storage facility for storing articles.

The background technique will be described below. In the following description, the reference numerals or names in parentheses shall be the reference numerals or names in the prior art documents.
Japanese Unexamined Patent Publication No. 2011-178549 (Patent Document 1) describes an article storage facility. For example, FIG. 1 of JP-A-2011-178549 has a first shelf having a plurality of shelves (22) in which the shelves (22) of each shelf are arranged along a first direction along a horizontal plane. It has a stacking rack (12L ₁ ) and a plurality of shelves (22), and the shelves (22) of each stage are arranged along the first direction, and the first direction is higher than that of the first stacking rack (12L ₁ ). It is provided with a second laminated rack (12L ₂ ) arranged on one side. Further, a first standby station (24L ₁ ) is provided adjacent to the end of the first laminated rack (12L ₁ ) on the side of the second laminated rack (12L ₂ ), and the second laminated rack (12L ₂ ) is provided. ), A second standby station (24L ₂ ) is provided adjacent to the end on the side of the first stacking rack (12L ₁ ). In addition, an elevating device (16) is provided between the first standby station (24L ₁ ) and the second standby station (24L ₂ ) in the first direction. That is, a first standby station (24L ₁ ) is provided between the first laminated rack (12L ₁ ) and the elevating device (16), and the second laminated rack (12L ₂ ) and the elevating device (16) are provided. A second standby station 24L ₂ ) is provided between the two. Then, one elevating device (16) is in operation for loading and unloading articles in the first laminated rack (12L ₁ ) and the second laminated rack (12L ₂ ).

Japanese Unexamined Patent Publication No. 2011-178549

In the article storage facility described in JP-A-2011-178549, one elevating device (16) is used for loading and unloading articles in the first laminated rack (12L ₁ ) and the second laminated rack (12L ₂ ). For this purpose, goods are delivered between the first standby station (24L ₁ ) and the second standby station (24L ₂ ). However, the number of articles that can be delivered by one elevating device (16) within a predetermined time is limited. Therefore, when the number of shelves (22) of the first laminated rack (12L ₁ ) and the second laminated rack (12L ₂ ) is large, or when the number of articles to be loaded / unloaded is large, the goods can be loaded / unloaded. It was difficult to do it efficiently.

In view of the above situation, it is desired to realize an article storage facility capable of efficiently loading and unloading articles into a plurality of laminated racks.

In view of the above, the characteristic composition of the goods storage equipment is
A first laminated rack having a plurality of first shelves, and the first shelves in each stage are arranged along a first direction along a horizontal plane.
A second stack having a plurality of second shelves, the second shelf of each stage arranged along the first direction, and arranged on one side of the first stack with respect to the first stack rack. With the rack,
In the first direction, the side where the first shelf is arranged with respect to the second shelf is the first side in the first direction, and the side where the second shelf is arranged with respect to the first shelf is the first side. As the second side of the direction,
A first standby station arranged adjacent to the end of the first stacking rack on the second side in the first direction and provided with a first standby conveyor having the same number of stages as the first shelf of the first stacking rack.
It is arranged adjacent to the end of the second stacking rack on the first side of the first direction on the second side of the first standby station with respect to the second shelf of the second stacking rack. A second standby station equipped with a second standby conveyor having the same number of stages,
The first shelf, the second shelf, and the first standby conveyor are arranged in each stage or a plurality of stages of the first standby conveyor and the second standby conveyor, and travel along the first direction. A plurality of transfer shuttles for transferring the articles to and from the second standby conveyor, and
An article storage facility including an elevating device arranged between the first standby station and the second standby station in the first direction.
The elevating device has a first elevating conveyor that transfers the article to and from the first elevating conveyor, a first elevating table that supports the first elevating conveyor, and the first elevating table that first waits for the first elevating table. A first elevating unit having a first elevating mechanism for elevating and lowering over all stages of the conveyor, a second elevating conveyor that transfers the article to and from the second standby conveyor, and the second elevating conveyor. It has a second elevating unit having a second elevating table for supporting the second elevating table and a second elevating mechanism for raising and lowering the second elevating table over all stages of the second standby conveyor. The point is that the second elevating unit and the second elevating unit can perform the elevating operation independently of each other.

According to this characteristic configuration, the first elevating conveyor of the first elevating unit can transfer articles to and from the first standby station arranged adjacent to the first stacking rack, and the second elevating unit can be delivered. The second elevating conveyor can transfer articles to and from a second standby station arranged adjacent to the second stacking rack. That is, in the elevating device having the first elevating unit and the second elevating unit, each of the first elevating unit and the second elevating unit independently elevates and conveys the article, and each of these two elevating units independently. Goods can be delivered to and from the standby conveyors at each stage of the standby stations (first standby station, second standby station). Further, if necessary, by setting the heights of the first elevating conveyor and the second elevating conveyor to be matched, it is possible to transfer articles between these two elevating units. Therefore, it is possible to improve the efficiency of elevating and transporting the article. Therefore, an article storage facility capable of efficiently loading and unloading articles into a plurality of laminated racks is realized.

Further features and advantages of the techniques according to the present disclosure will be further clarified by the following illustration of exemplary and non-limiting embodiments described with reference to the drawings.

Top view of the article storage equipment of the first embodiment The figure explaining the arrangement of the warehousing conveyor and the warehousing conveyor of the article storage equipment of 1st Embodiment. Side view of the article storage equipment of the first embodiment Side view of the article storage equipment of the first embodiment Control block diagram in the first embodiment Side view of the elevating device of the second embodiment Side view of the elevating device of the second embodiment Control block diagram in the second embodiment Top view of the article storage equipment of the third embodiment Side view of the article storage equipment of the third embodiment Side view of the article storage equipment of the third embodiment

1. 1. First Embodiment The first embodiment of the article storage facility 1 will be described with reference to the drawings. As shown in FIGS. 1 to 4, the article storage equipment 1 includes a first laminated rack 2 (2A, 2B), a second laminated rack 3 (3A, 3B), and a first standby station 4 (4A, 4B). A second standby station 5 (5A, 5B), a transfer shuttle 9, and an elevating device 6 (6A, 6B) are provided. Further, the article storage facility 1 of the first embodiment further includes a warehousing conveyor 10 (10A, 10B) and a warehousing conveyor 11 (11A, 11B). In the following description, one side of the first direction X shown in the figure is referred to as a first direction first side X1, and the opposite side thereof is referred to as a first direction second side X2. Further, the direction orthogonal to the first direction X in the vertical direction along the vertical direction Z is referred to as the second direction Y, one side of the second direction Y is referred to as the second direction first side Y1, and the opposite side is referred to as the second direction Y1. It is referred to as Y2 on the second side in the second direction. The transport direction, which is also the traveling direction of the transfer shuttle 9, is along the first direction X. The second direction Y is also the depth direction of the shelves of the first laminated rack 2 and the second laminated rack 3.

In the present embodiment, each of the first laminated rack 2, the second laminated rack 3, the first standby station 4, the second standby station 5, and the elevating device 6 sandwiches the traveling path 12 of the transfer shuttle 9. A pair is installed so as to face each other in two directions Y. In the present embodiment, the first laminated rack 2A, the second laminated rack 3A, the first standby station 4A, the second standby station 5A, and the elevating device are located on the first side Y1 in the second direction (the front side of the paper in FIG. 1). 6A is provided. A first laminated rack 2B, a second laminated rack 3B, a first standby station 4B, a second standby station 5B, and an elevating device 6B are provided on the second side Y2 in the second direction (the back side of the paper in FIG. 1). Has been done.

The first laminated rack 2 (2A, 2B) has a plurality of first shelves 13 in a plurality of stages, and the first shelves 13 in each stage are arranged along the first direction X along the horizontal plane. The second laminated rack 3 (3A, 3B) has a second shelf 14 in a plurality of stages, and the second shelf 14 in each stage is arranged along the first direction X, and is the first than the first laminated rack 2. It is arranged on one side of the direction X (first direction second side X2).

In the first standby station 4 (4A, 4B), the side in which the first shelf 13 is arranged with respect to the second shelf 14 in the first direction X is set as the first side X1 in the first direction, and the side with respect to the first shelf 13 The side on which the second shelf 14 is arranged is designated as the second side X2 in the first direction, and is arranged adjacent to the end of the second side X2 in the first direction of the first laminated rack 2. A first standby conveyor 15 (15A, 15B) having the same number of stages as one shelf 13 is provided. The first standby conveyor 15 can place a plurality of articles 26 side by side along the first direction X, and move the placed articles 26 along the first direction X. For example, the first standby conveyor 15 is configured by arranging a plurality of rotating rod-shaped rollers. Alternatively, the first standby conveyor 15 is configured by using a belt conveyor.

The second standby station 5 (5A, 5B) is arranged adjacent to the end of the first direction first side X1 of the second laminated rack 3 in the first direction second side X2 with respect to the first standby station 4. , A second standby conveyor 16 (16A, 16B) having the same number of stages as the second shelf 14 of the second laminated rack 3 is provided. The second standby conveyor 16 can place a plurality of articles 26 side by side along the first direction X, and move the placed articles 26 along the first direction X. For example, the second standby conveyor 16 is configured by arranging a plurality of rotating rod-shaped rollers. Alternatively, the second standby conveyor 16 is configured by using a belt conveyor.

The transfer shuttle 9 is arranged for each stage of the first standby conveyor 15 and the second standby conveyor 16 or for each of a plurality of stages, and travels along the first direction X. In the present embodiment, the transfer shuttle 9 is arranged for each stage of the first standby conveyor 15 and the second standby conveyor 16. Each transfer shuttle 9 transfers the article 26 between the first shelf 13, the second shelf 14, the first standby conveyor 15, and the second standby conveyor 16. The transfer shuttle 9 includes a traveling body traveling on the traveling path 12 along the first direction X, and a transfer device supported by the traveling body and transferring the article 26 along the second direction Y. There is.

In the present embodiment, two transfer shuttles 9 are provided on the traveling path 12 of the same stage (that is, the same height). Then, one transfer shuttle 9 travels from the end of the first shelf 13 of the first laminated rack 2 on the first side X1 in the first direction to the first standby station 4 in the first direction X. , The article 26 is delivered to and from the first shelf 13 of the same stage of the first laminated racks 2A and 2B arranged at positions facing each other across the traveling path 12. Further, another transfer shuttle 9 travels from the end of the first direction second side X2 of the second shelf 14 of the second laminated rack 3 to the second standby station 5, and travels along the travel path 12. The article 26 is delivered to and from the second shelf 14 of the same stage of the second laminated racks 3A and 3B arranged at positions facing each other across the above.

The transfer device of the transfer shuttle 9 includes, for example, a pair of arms that move back and forth along the second direction Y. Then, the transfer shuttle 9 travels along the traveling path 12 and is connected to the first shelf 13 or the first standby conveyor 15 of the first laminated rack 2 or the second shelf 14 or the second standby conveyor 16 of the second laminated rack 3. It stops at a position adjacent to any of them along the second direction Y, and uses the above-mentioned arm or the like to move the conveyed article 26 to the first shelf 13, the first standby conveyor 15, the second shelf 14, and the second standby. You can pass it to the conveyor 16 and receive the articles 26 placed on each of the first shelf 13, the first standby conveyor 15, the second shelf 14, and the second standby conveyor 16. In this way, the transfer shuttle 9 transfers, that is, delivers the article 26 to and from each of the first shelf 13, the first standby conveyor 15, the second shelf 14, and the second standby conveyor 16. be able to.

The elevating device 6 (6A, 6B) is arranged between the first standby station 4 and the second standby station 5 in the first direction X. The elevating device 6 (6A, 6B) has a first elevating unit 7 (7A, 7B) and a second elevating unit 8 (8A, 8B).

The first elevating unit 7 (7A, 7B) includes a first elevating conveyor 17 (17A, 17B) that transfers articles 26 to and from the first standby conveyor 15 (15A, 15B), and a first elevating conveyor 17. It has a first elevating table 18 (18A, 18B) that supports it, and a first elevating mechanism 19 (19A, 19B) that raises and lowers the first elevating table 18 over all stages of the first standby conveyor 15. The first elevating mechanism 19 includes a mast 25 (25A, 25B) that guides the first elevating table 18 in the vertical direction Z. The mast 25 is shared by the first elevating mechanism 19 and the second elevating mechanism 23. Then, the first elevating mechanism 19 raises and lowers the first elevating table 18 and the first elevating conveyor 17 in the vertical direction Z along the mast 25 by using an elevating motor (not shown) or the like.

The second elevating unit 8 (8A, 8B) includes a second elevating conveyor 21 (21A, 21B) that transfers articles 26 to and from the second standby conveyor 16 (16A, 16B), and a second elevating conveyor 21. It has a second elevating table 22 (22A, 22B) that supports it, and a second elevating mechanism 23 (23A, 23B) that raises and lowers the second elevating table 22 over all stages of the second standby conveyor 16. The second elevating mechanism 23 includes a mast 25 (25A, 25B) that guides the second elevating table 22 in the vertical direction Z. Then, the second elevating mechanism 23 raises and lowers the second elevating table 22 and the second elevating conveyor 21 in the vertical direction Z along the mast 25 by using an elevating motor (not shown) or the like.

The first elevating conveyor 17 and the second elevating conveyor 21 are configured by arranging, for example, a plurality of rotating rod-shaped rollers, and the article 26 placed on the rollers can be conveyed by the rotation of the rollers. Alternatively, the first elevating conveyor 17 and the second elevating conveyor 21 are configured by using, for example, a belt conveyor, and the article 26 placed on the belt conveyor can be conveyed by driving the belt conveyor.

With the above configuration, as shown in FIG. 4, the first elevating unit 7 and the second elevating unit 8 are independent of each other, for example, the first elevating conveyor 17 and the second elevating conveyor 21. Can be moved up and down so that they are located at different heights.
Further, as shown in FIG. 3, the first elevating unit 7 and the second elevating unit 8 perform an elevating operation so that the first elevating conveyor 17 and the second elevating conveyor 21 are located at the same height as each other. You can also. In this case, the article 26 can be delivered between the first elevating conveyor 17 and the second elevating conveyor 21.

In the present embodiment, the transport direction of the article 26 by the first standby conveyor 15 and the transport direction of the article 26 by the second standby conveyor 16 are preset as shown by arrows in FIGS. 3 and 4. When focusing on the first shelf 13 of the same stage of the first laminated racks 2A and 2B, the article 26 is carried in from the first standby conveyor 15 adjacent to one first shelf 13 and is carried into the other first shelf 13. The article 26 is configured to be carried out from the adjacent first standby conveyor 15. For example, as shown in FIG. 3, the transport direction of the article 26 by the first standby conveyor 15 at the bottom of the first laminated rack 2A is the first direction second side X2, that is, the article 26 is transferred from the first standby conveyor 15. It is set in the direction of transporting to the first elevating conveyor 17. As shown in FIG. 4, the transport direction of the article 26 of the first standby conveyor 15 at the bottom of the first laminated rack 2B, which is arranged at a position facing the first laminated rack 2A across the traveling path 12, is the first. The first side X1 in one direction, that is, the direction in which the article 26 is conveyed from the first elevating conveyor 17 to the first standby conveyor 15 is set. In this way, when the first shelf 13 at the bottom of the first laminated rack 2A and the first shelf 13 at the bottom of the first laminated rack 2B are viewed as a set, the second side Y2 in the second direction (back side). ) Is carried in from the first standby conveyor 15B to the first laminated racks 2A and 2B, and the articles 26 stored in the first shelf 13 of the first laminated racks 2A and 2B are carried out in the second direction. It is configured to be performed from the first standby conveyor 15A on the first side Y1 (front side).

Similarly, in the present embodiment, the transport direction of the article 26 by the second standby conveyor 16 is preset as shown by the arrows in FIGS. 3 and 4. When focusing on the second shelf 14 of the same stage of the second laminated racks 3A and 3B, the article 26 is carried in from the second standby conveyor 16 adjacent to one second shelf 14, and the article 26 is carried into the other second shelf 14. The article 26 is configured to be carried out from the adjacent second standby conveyor 16. For example, as shown in FIG. 3, the transport direction of the article 26 by the second standby conveyor 16 at the bottom of the second laminated rack 3A is the first direction second side X2, that is, the article 26 is moved from the second elevating conveyor 21. It is set in the direction of transporting to the second standby conveyor 16. As shown in FIG. 4, the transport direction of the article 26 of the first standby conveyor 15 at the bottom of the second laminated rack 3B, which is arranged at a position facing the second laminated rack 3A across the traveling path 12, is the first. The first side X1 in one direction, that is, the direction in which the article 26 is conveyed from the second standby conveyor 16 to the second elevating conveyor 21 is set. As described above, when the lowermost second shelf 14 of the second laminated rack 3A and the lowermost second shelf 14 of the second laminated rack 3B are viewed as a set, the second direction first side Y1 (front side). ), The articles 26 are carried in from the second standby conveyor 16A to the second laminated racks 3A and 3B, and the articles 26 stored in the second shelves 14 of the second laminated racks 3A and 3B are carried out in the second direction. It is configured to be performed from the second standby conveyor 16B on the second side Y2 (back side).

The first elevating mechanism 19 of the first elevating unit 7 can also move the first elevating conveyor 17 from the warehousing conveyor 10 to a position where the first elevating conveyor 17 receives the article 26. The second elevating mechanism 23 of the second elevating unit 8 can also move the second elevating conveyor 21 to a position where the article 26 is passed from the second elevating conveyor 21 to the delivery conveyor 11.

As shown in FIG. 2, the warehousing conveyor 10 (10A, 10B) conveys the article 26 to be warehousing in the first laminated rack 2 or the second laminated rack 3. The warehousing conveyor 10 is arranged at a position overlapping the first laminated rack 2 in a vertical direction along the vertical direction Z. In the present embodiment, the warehousing conveyor 10 is arranged below the first laminated rack 2 at a position overlapping the first laminated rack 2 in the vertical direction. As shown in FIGS. 2 to 4, the warehousing conveyor 10 overlaps with the first laminated rack 2A on the first side Y1 in the second direction and overlaps with the first laminated rack 2B on the second side Y2 in the second direction. It is provided at both positions.

The delivery conveyor 11 (11A, 11B) conveys the article 26 to be delivered from the first laminated rack 2 or the second laminated rack 3. The delivery conveyor 11 is arranged at a position overlapping with the second laminated rack 3 in the vertical direction. In the present embodiment, the delivery conveyor 11 is arranged below the first laminated rack 2 at a position overlapping the second laminated rack 3 in the vertical direction. As shown in FIGS. 2 to 4, the delivery conveyor 11 overlaps with the second laminated rack 3A on the first side Y1 in the second direction and overlaps with the second laminated rack 3B on the second side Y2 in the second direction. It is provided at both positions.

The warehousing conveyor 10 and the warehousing conveyor 11 are configured by arranging, for example, a plurality of rotating rod-shaped rollers, and the article 26 placed on the rollers can be conveyed by the rotation of the rollers. Alternatively, the warehousing conveyor 10 and the warehousing conveyor 11 are configured by using, for example, a belt conveyor, and the article 26 placed on the belt conveyor can be conveyed by driving the belt conveyor.

FIG. 5 is a control block diagram according to the first embodiment. As shown in the figure, the control unit 27 of the article storage facility 1 includes a warehousing conveyor 10, a warehousing conveyor 11, a first standby conveyor 15, a second standby conveyor 16, a first elevating conveyor 17, a first elevating mechanism 19, and a second elevating mechanism. It controls the operation of the conveyor 21, the second elevating mechanism 23, and the transfer shuttle 9.

Next, a step of storing the article 26 in the first laminated rack 2 and the second laminated rack 3 and a step of discharging the article 26 from the first laminated rack 2 and the second laminated rack 3 will be described.

[Receiving goods 26]
As shown in FIG. 3, the outer surface of the article 26 conveyed by the warehousing conveyor 10 is provided with a label on which optically readable information is described. Alternatively, the article 26 conveyed by the warehousing conveyor 10 is provided with a storage medium in which information that can be read wirelessly or the like is stored. Then, the control unit 27 of the article storage facility 1 determines in which shelf the article 26 is stored (that is, the storage destination) by reading the information contained in the label or the storage medium during the transportation by the warehousing conveyor 10. do.

When the article 26 is stored in the first shelf 13 of the first laminated rack 2, the control unit 27 of the article storage facility 1 transfers the storage destination information to the first elevating unit 7, the first standby conveyor 15, and the transfer shuttle 9. Communicate to. Then, the first elevating unit 7 lowers (elevates) the first elevating conveyor 17 to stop at the same stage (height) as the warehousing conveyor 10, and receives the article 26 from the warehousing conveyor 10 by the first elevating conveyor 17. Next, the first elevating unit 7 raises the first elevating conveyor 17 and stops it at a stage (height) determined as a storage destination, and the article 26 is placed on the adjacent first standby conveyor 15 at the same stage (height). give. The transfer shuttle 9 receives the article 26 placed on the first standby conveyor 15, travels along the traveling path 12, and stops in front of the storage unit of the shelf determined as the storage destination of the first laminated rack 2. The transported article 26 is handed over to the shelf.

Further, when the article 26 is stored in the second shelf 14 of the second laminated rack 3, the control unit 27 of the article storage facility 1 transfers the storage destination information to the first elevating unit 7, the second elevating unit 8, and the second elevating unit 2. It is transmitted to the standby conveyor 16 and the transfer shuttle 9. Then, the first elevating unit 7 lowers (elevates) the first elevating conveyor 17 to stop at the same stage (height) as the warehousing conveyor 10, and receives the article 26 from the warehousing conveyor 10 by the first elevating conveyor 17. Further, the second elevating unit 8 raises and lowers the second elevating conveyor 21 and stops it at the same stage (height) as the first elevating conveyor 17, and receives the article 26 from the first elevating conveyor 17 by the second elevating conveyor 21. Next, the second elevating unit 8 raises and lowers the second elevating conveyor 21 and stops it at a stage (height) determined as a storage destination, and the article 26 is placed on the adjacent second standby conveyor 16 at the same stage (height). give. The transfer shuttle 9 receives the article 26 placed on the second standby conveyor 16, travels along the traveling path 12, and stops in front of the storage unit of the shelf determined as the storage destination of the second laminated rack 3. The transported article 26 is handed over to the shelf.

[Delivery of article 26]
The control unit 27 of the article storage facility 1 determines whether the article 26 housed in which storage section of which shelf is to be delivered from the delivery conveyor 11 (take-out source). When the article 26 is delivered from the first shelf 13 of the first laminated rack 2, the control unit 27 of the article storage facility 1 transfers the information of the extraction source to the first elevating unit 7, the first standby conveyor 15, and the second elevating unit. 8 and transfer to the transfer shuttle 9. Then, the transfer shuttle 9 stops in front of the storage section of the shelf determined as the extraction source of the first laminated rack 2, and receives the article 26 housed in the storage section. Next, the transfer shuttle 9 travels on the traveling path 12, stops adjacent to the first standby conveyor 15, and passes the conveyed article 26 to the first standby conveyor 15. Then, the first elevating unit 7 and the second elevating unit 8 operate to receive the article 26 from the first standby conveyor 15 by the first elevating conveyor 17, and the article 26 from the first elevating conveyor 17 by the second elevating conveyor 21. receive. Next, the second elevating unit 8 stops the second elevating conveyor 21 at the same stage (that is, at the same height) as the unloading conveyor 11, and passes the article 26 from the second elevating conveyor 21 to the unloading conveyor 11. Then, the delivery conveyor 11 delivers the article 26.

When the article 26 is delivered from the second shelf 14 of the second laminated rack 3, the control unit 27 of the article storage facility 1 transmits the information of the extraction source to the second elevating unit 8 and the transfer shuttle 9. Then, the transfer shuttle 9 stops in front of the storage section of the shelf determined as the extraction source of the second laminated rack 3, and receives the article 26 housed in the storage section. Next, the transfer shuttle 9 travels on the traveling path 12, stops adjacent to the second standby conveyor 16, and passes the conveyed article 26 to the second standby conveyor 16. Then, the second elevating unit 8 operates to receive the article 26 from the second standby conveyor 16 by the second elevating conveyor 21. Next, the second elevating unit 8 stops the second elevating conveyor 21 at the same stage (that is, at the same height) as the unloading conveyor 11, and passes the article 26 from the second elevating conveyor 21 to the unloading conveyor 11. Then, the delivery conveyor 11 delivers the article 26.

As described above, the first elevating conveyor 17 of the first elevating unit 7 can deliver the article 26 to and from the first standby station 4 arranged adjacent to the first laminated rack 2. 2 The second elevating conveyor 21 of the elevating unit 8 can deliver the article 26 to and from the second standby station 5 arranged adjacent to the second laminated rack 3. That is, in the elevating device 6 having the first elevating unit 7 and the second elevating unit 8, each of the first elevating unit 7 and the second elevating unit 8 independently elevates and conveys the article 26, and these two elevating units. Each of the above can independently deliver the article 26 to and from the standby conveyor of each stage of the standby station (first standby station 4, second standby station 5). Further, if necessary, by setting the heights of the first elevating conveyor 17 and the second elevating conveyor 21 to match, the article 26 can be delivered between these two elevating units. Therefore, the efficiency of elevating and transporting the article 26 can be improved. Therefore, an article storage facility 1 capable of efficiently loading and unloading articles 26 into and out of a plurality of laminated racks is realized.

2. 2. 2nd Embodiment FIG. 6 and FIG. 7 are side views of the elevating device 6 of the second embodiment. FIG. 8 is a control block diagram according to the second embodiment. As shown in the figure, the first elevating unit 7 includes a first slide mechanism 20 that moves the first elevating conveyor 17 in the first direction X with respect to the first elevating platform 18. The first slide mechanism 20 is supported by the first elevating table 18. The second elevating unit 8 includes a second slide mechanism 24 that moves the second elevating conveyor 21 in the first direction X with respect to the second elevating platform 22. The second slide mechanism 24 is supported by the second elevating table 22.

The first slide mechanism 20 and the second slide mechanism 24 are configured to be expandable and contractible along the first direction X. For example, in the first slide mechanism 20 and the second slide mechanism 24, a plurality of members are slidably connected to each other, and one of the members is held by each of the first elevating table 18 and the second elevating table 22. Then, another member that is not held by the first elevating table 18 and the second elevating table 22 is slid in the first direction X with respect to the held member and is fed, so that the other slid member is held. The first elevating conveyor 17 and the second elevating conveyor 21 are moving in the first direction X.

The control unit 27 of the article storage facility 1 includes a warehousing conveyor 10, a warehousing conveyor 11, a first standby conveyor 15, a second standby conveyor 16, a first elevating conveyor 17, a first elevating mechanism 19, a first slide mechanism 20, and a second. It controls the operation of the elevating conveyor 21, the second elevating mechanism 23, the second slide mechanism 24, and the transfer shuttle 9.

FIG. 6 shows a state in which the first slide mechanism 20 is shortened in the direction along the first direction X and the first elevating conveyor 17 is in the first reference position, and FIG. 7 shows a state in which the first slide mechanism 20 is in the first reference position. It is extended in the direction along the one direction X to show the state where the first elevating conveyor 17 is in the first slide position. Similarly, FIG. 6 shows a state in which the second slide mechanism 24 is shortened in the direction along the first direction X, and the second elevating conveyor 21 is in the second reference position, and FIG. 7 shows a state in which the second slide mechanism is in the second reference position. 24 is extended in the direction along the first direction X, indicating that the second elevating conveyor 21 is in the second slide position.

As described above, the first slide mechanism 20 operates the first elevating conveyor 17 to be adjacent to the first standby conveyor 15 with the first elevating conveyor 17 arranged at the first reference position, and the first elevating conveyor 17 is operated. It is possible to execute an operation of making the first elevating conveyor 17 adjacent to the second standby conveyor 16 in a state of being arranged at the first shift position set on the second side X2 in the first direction from the first reference position.

Further, the second slide mechanism 24 operates the second elevating conveyor 21 to be adjacent to the second standby conveyor 16 with the second elevating conveyor 21 arranged at the second reference position, and the second elevating conveyor 21 is second. It is possible to execute an operation of making the second elevating conveyor 21 adjacent to the first standby conveyor 15 in a state of being arranged at the second shift position set on the first side X1 in the first direction from the reference position.

By providing the first slide mechanism 20 having such a configuration in the article storage facility 1, the operation of arranging the first elevating conveyor 17 at a position adjacent to the first standby conveyor 15 (first reference position) and the first operation. The operation of arranging the elevating conveyor 17 at a position adjacent to the second standby conveyor 16 (first shift position) can be executed. That is, the first elevating unit 7 can deliver the article 26 to and from both the first standby conveyor 15 and the second standby conveyor 16.

Further, since the article storage facility 1 is provided with the second slide mechanism 24 having such a configuration, the operation of arranging the second elevating conveyor 21 at a position adjacent to the second standby conveyor 16 (second reference position), and The operation of arranging the second elevating conveyor 21 at a position adjacent to the first standby conveyor 15 (second shift position) can be executed. That is, the second elevating unit 8 can deliver the article 26 to and from both the first standby conveyor 15 and the second standby conveyor 16.

As described above, in the elevating device 6 having the first elevating unit 7 and the second elevating unit 8, each of these two elevating units is independently a standby station (first standby station 4, second standby station 5). The articles 26 as described above can be delivered in parallel between the first standby conveyor 15 and the second standby conveyor 16 in the stage. As a result, it is possible to more efficiently load and unload the article 26 into and out of the plurality of first laminated racks 2 and second laminated racks 3.

The first elevating unit 7 can arrange the first elevating conveyor 17 at a position adjacent to the second standby conveyor 16, and the second elevating unit 8 can arrange the second elevating conveyor 21 at a position adjacent to the first standby conveyor 15. The fact that the first elevating conveyor 17 and the second elevating conveyor 21 can collide with each other during the elevating operation means that the first elevating conveyor 17 and the second elevating conveyor 21 may collide with each other. However, the control unit 27 is at least when the first elevating conveyor 17 of the first elevating unit 7 is not in the first reference position and when the second elevating conveyor 21 of the second elevating unit 8 is not in the second reference position. In the case of either one, control is performed to prevent collision between the first elevating unit 7 and the second elevating unit 8 by limiting the elevating operation of at least one of them.

For example, in the control unit 27, when there are a plurality of destination candidates for the first elevating conveyor 17 and the second elevating conveyor 21 of the second elevating unit 8 is not at the second reference position, the first elevating conveyor 17 is the first. 2 The destination of the first elevating conveyor 17 is determined by giving priority to the destination that does not intersect with the elevating conveyor 21. Further, when there are a plurality of destination candidates for the second elevating conveyor 21 and the first elevating conveyor 17 of the first elevating unit 7 is not at the first reference position, the second elevating conveyor 21 is referred to as the first elevating conveyor 17. The destination of the second elevating conveyor 21 is determined by giving priority to the destination that does not intersect.

On the other hand, when the first elevating conveyor 17 of the first elevating unit 7 is in the first reference position and the second elevating conveyor 21 of the second elevating unit 8 is in the second reference position, the control unit 27 is second. 1 The destination of the elevating conveyor 17 and the destination of the second elevating conveyor 21 are not restricted.

3. 3. Third Embodiment FIG. 9 is a top view of the article storage equipment 1 of the third embodiment. FIG. 10 is a side view of the article storage facility 1 of the third embodiment. FIG. 11 is a side view of the article storage facility 1 of the third embodiment. As shown in FIGS. 9 to 11, the first laminated rack 2A, the first standby station 4A, the elevating device 6A, the second standby station 5A, and the second laminated rack 3A on the first side Y1 (front side) in the second direction. And the first laminated rack 2B, the first standby station 4B, the elevating device 6B, the second standby station 5B, and the second laminated rack 3B on the second side Y2 (back side) in the second direction sandwich the traveling path 12. It is provided in parallel at.

The warehousing conveyor 10A on the first side Y1 in the second direction can convey the article 26 to be warehousing in the first laminated rack 2 or the second laminated rack 3. The warehousing conveyor 10A is arranged above the first stacking rack 2A at a position overlapping the first stacking rack 2A in the vertical direction. The warehousing conveyor 10B on the second side Y2 in the second direction can convey the article 26 to be warehousing in the first laminated rack 2 or the second laminated rack 3. The warehousing conveyor 10B is arranged above the first laminated rack 2B at a position overlapping the first laminated rack 2B in the vertical direction.

The delivery conveyor 11A on the first side Y1 in the second direction can convey the article 26 delivered from the first laminated rack 2 or the second laminated rack 3. The delivery conveyor 11A is arranged above the second stacking rack 3A at a position overlapping the second stacking rack 3A in the vertical direction. The delivery conveyor 11B on the second side Y2 in the second direction can convey the article 26 delivered from the first laminated rack 2 or the second laminated rack 3. The delivery conveyor 11B is arranged above the second stacking rack 3B at a position overlapping the second stacking rack 3B in the vertical direction.

FIG. 10 shows the side surfaces of the equipment (first laminated rack 2A, first standby station 4A, elevating device 6A, second standby station 5A, and second laminated rack 3A) on the first side Y1 in the second direction shown in FIG. It is a figure. FIG. 11 shows the side surfaces of the equipment (first laminated rack 2B, first standby station 4B, elevating device 6B, second standby station 5B, and second laminated rack 3B) on the second side Y2 in the second direction shown in FIG. It is a figure.

In the example shown in FIG. 10, in the equipment on the first side Y1 in the second direction, the number of stages of the first shelf 13 (13a, 13b, 13d) of the first laminated rack 2A is three, and the number of stages of the second laminated rack 3A is three. The number of stages of the two shelves 14 (14a, 14b, 14c, 14d) is four, which are different from each other. This is because, as shown in the figure, the spacing between the plurality of first shelves 13 in the first stacking rack 2 and the spacing between the plurality of second shelves 14 in the second stacking rack 3A are different. Specifically, the distance between the first shelf 13b and the first shelf 13d of the first laminated rack 2A is wider than the distance between the other shelves. In the present embodiment, the first shelf 13b of the first laminated rack 2A is designed to accommodate relatively high articles 26a (26). The first shelves 13a and 13d of the first laminated rack 2A are designed to accommodate articles 26b (26) having a relatively low height. In this example, the intervals of the plurality of second shelves 14a, 14b, 14c, 14d in the second laminated rack 3 are all the same.

In the example shown in FIG. 11, in the equipment on the second side Y2 in the second direction, the number of stages of the first shelf 13 (13a, 13b, 13d) of the first laminated rack 2B is three, and the number of stages of the second laminated rack 3B is three. The number of stages of the two shelves 14 (14a, 14b, 14c, 14d) is four, which are different from each other. This is because, as shown in the figure, the spacing between the plurality of first shelves 13 in the first stacking rack 2 and the spacing between the plurality of second shelves 14 in the second stacking rack 3B are different. Specifically, the distance between the first shelf 13b and the first shelf 13d of the first laminated rack 2B is wider than the distance between the other shelves. In the present embodiment, the first shelf 13b of the first laminated rack 2B is designed to accommodate relatively high articles 26a (26). The first shelves 13a and 13d of the first laminated rack 2B are designed to accommodate articles 26b (26) having a relatively low height. In this example, the intervals of the plurality of second shelves 14a, 14b, 14c, 14d in the second laminated rack 3B are all the same.

4. Other Embodiments Next, another embodiment of the article storage facility 1 will be described.

(1) In the above embodiment, the case where the mast 25 included in the elevating device 6 is shared by the first elevating unit 7 and the second elevating unit 8 is illustrated, but the first elevating unit 7 and the second elevating unit 8 use the mast. Each may be prepared separately.

(2) In the above embodiment, the transport direction of the article 26 by each conveyor may be appropriately changed. For example, the transport direction of the article 26 by the warehousing conveyor 10 is reversed to the above-mentioned direction to function as the warehousing conveyor 11, and the transport direction of the article 26 by the warehousing conveyor 11 is opposite to the above-mentioned direction to function as the warehousing conveyor 10. Alternatively, the transport direction of the article 26 by the first standby conveyor 15 and the second standby conveyor 16 may be appropriately changed.

(3) Although the configuration example of the first slide mechanism 20 and the second slide mechanism 24 has been described in the second embodiment, the configurations of the first slide mechanism 20 and the second slide mechanism 24 can be changed as appropriate.

(4) The configuration disclosed in each of the above-described embodiments can be applied in combination with the configurations disclosed in other embodiments as long as there is no contradiction. With respect to other configurations, the embodiments disclosed herein are merely exemplary in all respects. Therefore, various modifications can be appropriately made without departing from the spirit of the present disclosure.

5. Outline of the above-described embodiment The outline of the article storage facility described above will be described below.

The article storage facility has a first shelf in a plurality of stages, and has a first laminated rack in which the first shelf in each stage is arranged along a first direction along a horizontal plane, and a second shelf in a plurality of stages. A second stacking rack in which the second shelf of each stage is arranged along the first direction and is arranged on one side of the first stacking rack with respect to the first stacking rack, and a second stacking rack in the first direction. The side where the first shelf is arranged with respect to the second shelf is defined as the first side in the first direction, and the side where the second shelf is arranged with respect to the first shelf is defined as the second side in the first direction. A first standby station, which is arranged adjacent to the end of the first laminated rack on the second side in the first direction and has a first standby conveyor having the same number of stages as the first shelf of the first laminated rack. It is arranged adjacent to the end of the second stacking rack on the first side of the first direction on the second side of the first standby station with respect to the second shelf of the second stacking rack. A second standby station provided with a second standby conveyor having the same number of stages, arranged for each stage of the first standby conveyor and the second standby conveyor or for each of a plurality of stages, travel along the first direction, and said. A plurality of transfer shuttles for transferring the articles between the first shelf, the second shelf, the first standby conveyor, and the second standby conveyor, and the first standby station and the first standby station in the first direction. The elevating device includes an elevating device arranged between the second standby station, and the elevating device supports a first elevating conveyor that transfers the article to and from the first standby conveyor, and the first elevating conveyor. Between a first elevating unit having a first elevating table and a first elevating mechanism for elevating the first elevating table over all stages of the first standby conveyor, and the second standby conveyor. A second elevating conveyor that delivers and delivers the articles, a second elevating table that supports the second elevating conveyor, and a second elevating mechanism that raises and lowers the second elevating table over all stages of the second standby conveyor. It has a second elevating unit having the above, and the first elevating unit and the second elevating unit can perform an elevating operation independently of each other.

According to this configuration, the first elevating conveyor of the first elevating unit can transfer articles to and from the first standby station arranged adjacent to the first stacking rack, and the second elevating unit can be delivered. The second elevating conveyor can transfer articles to and from the second standby station arranged adjacent to the second stacking rack. That is, in the elevating device having the first elevating unit and the second elevating unit, each of the first elevating unit and the second elevating unit independently elevates and conveys the article, and each of these two elevating units independently. Goods can be delivered to and from the standby conveyors at each stage of the standby stations (first standby station, second standby station). Further, if necessary, by setting the heights of the first elevating conveyor and the second elevating conveyor to be matched, it is possible to transfer articles between these two elevating units. Therefore, it is possible to improve the efficiency of elevating and transporting the article. Therefore, an article storage facility capable of efficiently loading and unloading articles into a plurality of laminated racks is realized.

Here, the first elevating unit further includes a first slide mechanism for moving the first elevating conveyor in the first direction with respect to the first elevating platform, and the second elevating unit further includes the above. The second slide mechanism for moving the second elevating conveyor in the first direction with respect to the second elevating platform is provided, and the first slide mechanism is said to have the first elevating conveyor arranged at the first reference position. With the first elevating conveyor adjacent to the first standby conveyor and the first elevating conveyor arranged at the first shift position set on the second side in the first direction from the first reference position. The operation of bringing the first elevating conveyor adjacent to the second standby conveyor can be executed, and the second slide mechanism uses the second elevating conveyor in the state where the second elevating conveyor is arranged at the second reference position. The second elevating conveyor is placed adjacent to the standby conveyor, and the second elevating conveyor is placed at the second shift position set on the first side in the first direction with respect to the second reference position. 1 It is preferable to be able to perform an operation adjacent to the standby conveyor.

According to this configuration, since the first elevating unit has the first slide mechanism, the operation of arranging the first elevating conveyor at a position adjacent to the first standby conveyor (first reference position) and the first operation. The operation of arranging the elevating conveyor at a position adjacent to the second standby conveyor (first shift position) can be executed. That is, the first elevating unit can deliver articles to and from both the first standby conveyor and the second standby conveyor. Further, since the second elevating unit has a second slide mechanism, the operation of arranging the second elevating conveyor at a position adjacent to the second standby conveyor (second reference position) and the second elevating conveyor are placed. 1 The operation of arranging at a position adjacent to the standby conveyor (second shift position) can be executed. That is, the second elevating unit can deliver articles to and from both the first standby conveyor and the second standby conveyor. In this way, in the elevating device having the first elevating unit and the second elevating unit, each of these two elevating units independently serves as a standby conveyor at each stage of the standby station (first standby station, second standby station). It is possible to deliver and deliver the above-mentioned articles between the two at the same time. As a result, it is possible to more efficiently carry in and out the goods in and out of the plurality of laminated racks.

Further, a control unit for controlling the operation of the elevating device is further provided.
In the control unit, when there are a plurality of destination candidates for the first elevating conveyor and the second elevating conveyor of the second elevating unit is not at the second reference position, the first elevating conveyor is the first elevating conveyor. (2) The destination that does not intersect with the elevating conveyor is prioritized to determine the destination of the first elevating conveyor, there are a plurality of destination candidates for the second elevating conveyor, and the first elevating unit of the first elevating unit is said. When the conveyor is not in the first reference position, it is preferable to prioritize the destination where the second elevating conveyor does not intersect with the first elevating conveyor to determine the destination of the second elevating conveyor.

According to this configuration, when there are a plurality of destination candidates for the first elevating conveyor and the second elevating conveyor of the second elevating unit is not in the second reference position, that is, the first elevating conveyor of the first elevating unit. If there is a possibility that the elevating and lowering of the second elevating unit may be obstructed by the presence of the second elevating conveyor, the first elevating conveyor preferentially ascends and descends to the destination that does not intersect with the second elevating conveyor. As a result, it can be avoided as much as possible that the elevating of the first elevating conveyor of the first elevating unit is interrupted by the presence of the second elevating conveyor of the second elevating unit and stops. In addition, when there are a plurality of destination candidates for the second elevating conveyor and the first elevating conveyor of the first elevating unit is not in the first reference position, that is, the elevating of the second elevating conveyor of the second elevating unit is performed. If there is a possibility of being obstructed by the presence of the first elevating conveyor of the first elevating unit, the second elevating conveyor preferentially moves up and down to the destination that does not intersect with the first elevating conveyor. As a result, it can be avoided as much as possible that the elevating of the second elevating conveyor of the second elevating unit is interrupted by the presence of the first elevating conveyor of the first elevating unit and stops.

Further, it is preferable that the distance between the plurality of first shelves in the first laminated rack and the distance between the plurality of second shelves in the second laminated rack are different.

According to this configuration, since the distance between the first shelf of the first laminated rack and the second shelf of the second laminated rack is different, articles having different heights can be accommodated. For example, articles of a height that cannot be accommodated on one shelf can be accommodated on the other shelf. Therefore, a plurality of types of articles having different heights can be accommodated in the article storage facility. By the way, unlike this configuration, when there is only one elevating unit, if the distance between the shelves is different between the first shelf of the first laminated rack and the second shelf of the second laminated rack, the space between the shelves and the standby conveyor is different. The number of stop positions in the ascending / descending direction of the elevating unit for the delivery of goods in is doubled as compared to the case where the height of each stage of these shelves is the same. However, according to this configuration, since the first elevating unit and the second elevating unit perform the elevating operation independently of each other, the elevating unit is stopped in the elevating direction for the transfer of articles to and from the standby conveyor. The number of positions is not affected by the spacing between the shelves of the first and second shelves. Therefore, in the configuration in which the first elevating unit and the second elevating unit can perform the elevating operation independently of each other as described above, the interval between the plurality of first shelves and the interval between the plurality of second shelves are different. Also suitable for.

Further, the first laminated rack, the second laminated rack, the first standby station, the second standby station, and the like, with the direction orthogonal to the first direction as the second direction in the vertical direction along the vertical direction. It is preferable that each of the elevating devices is installed in pairs so as to face each other in the second direction across the traveling path of the transfer shuttle.

According to this configuration, the scale of the first laminated rack and the second laminated rack can be increased to store more articles.

The technique according to the present disclosure can be used for an article storage facility capable of efficiently loading and unloading articles into a plurality of laminated racks.

1 Goods storage equipment 2 (2A, 2B) 1st laminated rack 3 (3A, 3B) 2nd laminated rack 4 (4A, 4B) 1st standby station 5 (5A, 5B) 2nd standby station 6 (6A, 6B) Elevating device 7 (7A, 7B) 1st elevating unit 8 (8A, 8B) 2nd elevating unit 9 Transfer shuttle 10 (10A, 10B) Incoming conveyor 11 (11A, 11B) Outgoing conveyor 12 Travel path 13 1st shelf 14 2nd shelf 15 (15A, 15B) 1st standby conveyor 16 (16A, 16B) 2nd standby conveyor 17 1st elevating conveyor 18 1st elevating table 19 1st elevating mechanism 20 1st slide mechanism 21 2nd elevating conveyor 22 2 Lifting platform 23 2nd lifting mechanism 24 2nd slide mechanism 25 Mast 26 Article 27 Control unit

Claims (5)

A first laminated rack having a plurality of first shelves, and the first shelves in each stage are arranged along a first direction along a horizontal plane.
A second stack having a plurality of second shelves, the second shelf of each stage arranged along the first direction, and arranged on one side of the first stack with respect to the first stack rack. With the rack,
In the first direction, the side where the first shelf is arranged with respect to the second shelf is the first side in the first direction, and the side where the second shelf is arranged with respect to the first shelf is the first side. As the second side of the direction,
A first standby station arranged adjacent to the end of the first stacking rack on the second side in the first direction and provided with a first standby conveyor having the same number of stages as the first shelf of the first stacking rack.
It is arranged adjacent to the end of the second stacking rack on the first side of the first direction on the second side of the first standby station with respect to the second shelf of the second stacking rack. A second standby station equipped with a second standby conveyor having the same number of stages,
The first shelf, the second shelf, and the first standby conveyor are arranged in each stage or a plurality of stages of the first standby conveyor and the second standby conveyor, and travel along the first direction. A plurality of transfer shuttles for transferring the articles to and from the second standby conveyor, and
An article storage facility provided with an elevating device arranged between the first standby station and the second standby station in the first direction.
The elevating device has a first elevating conveyor that transfers the article to and from the first elevating conveyor, a first elevating table that supports the first elevating conveyor, and the first elevating table that first waits for the first elevating table. A first elevating unit having a first elevating mechanism for elevating and lowering over all stages of the conveyor, a second elevating conveyor that transfers the article to and from the second standby conveyor, and the second elevating conveyor. It has a second elevating unit having a second elevating table for supporting the second elevating table and a second elevating mechanism for raising and lowering the second elevating table over all stages of the second standby conveyor.
An article storage facility in which the first elevating unit and the second elevating unit can perform elevating operations independently of each other. The first elevating unit further includes a first slide mechanism for moving the first elevating conveyor in the first direction with respect to the first elevating platform.
The second elevating unit further includes a second slide mechanism for moving the second elevating conveyor in the first direction with respect to the second elevating platform.
The first slide mechanism operates the operation of placing the first elevating conveyor adjacent to the first standby conveyor with the first elevating conveyor arranged at the first reference position, and the first elevating conveyor is the first reference. The operation of making the first elevating conveyor adjacent to the second standby conveyor can be executed while being arranged at the first shift position set on the second side of the first direction from the position.
The second slide mechanism operates the operation of bringing the second elevating conveyor adjacent to the second standby conveyor with the second elevating conveyor arranged at the second reference position, and the second elevating conveyor is the second reference. The article storage according to claim 1, wherein the operation of bringing the second elevating conveyor adjacent to the first standby conveyor can be executed while being arranged at the second shift position set on the first side of the first direction with respect to the position. Facility. Further provided with a control unit for controlling the operation of the elevating device.
The control unit
When there are a plurality of destination candidates for the first elevating conveyor and the second elevating conveyor of the second elevating unit is not at the second reference position, the first elevating conveyor intersects with the second elevating conveyor. Priority is given to the destination of the one that does not, and the destination of the first elevating conveyor is determined.
When there are a plurality of destination candidates for the second elevating conveyor and the first elevating conveyor of the first elevating unit is not at the first reference position, the second elevating conveyor intersects with the first elevating conveyor. The article storage facility according to claim 2, wherein the destination of the second elevating conveyor is determined by giving priority to the destination that does not. The article storage facility according to any one of claims 1 to 3, wherein the distance between the plurality of first shelves in the first laminated rack and the distance between the plurality of second shelves in the second laminated rack are different. .. The direction orthogonal to the first direction in the vertical view along the vertical direction is defined as the second direction.
The first laminated rack, the second laminated rack, the first standby station, the second standby station, and the elevating device each face the second direction with the traveling path of the transfer shuttle interposed therebetween. The article storage facility according to any one of claims 1 to 4, which is installed in pairs in a state.

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