JPH07323906A - Automatic warehousing device - Google Patents

Abstract

PURPOSE:To quicken order-picking by forming a cellular storage space out of those of shelves, which are provided with a plurality of cellular storage spaces extending in the vertical and horizontal directions, in a load taking-in/out space and placing a load receiving platform adjacent to the load taking-in/out space at the rear side of the shelf. CONSTITUTION:When the picking is made from a shelf 1b, for example, out of shelves 1a, 1b juxtaposed before and behind, a traveling body 10 travel S1 an elevator 19 is vertically moved by a vertical driving device, and a fork 36 is positioned in front of a cellular storage space 6 aimed at of the shelf 1b. After a load 8 is taken out from the cellular storage space 6 to a position between the shelf 1a and the shelf 1a and the shelf 1b together with a pallet 7, the elevator 19 is lowered to the lowest stage, so that the fork 30 is positioned in front of the load taking-in/out space 22. After this, the fork 36 is extended from the front face of the shelf 1a to a load receiving platform 23 via the load taking-in/out space 22, so that the load 8 on the fork 36 is shifted from the front face of the shelf 1a to the load receiving platform 23 together with the pallet 7, thereby completing the picking.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic warehouse facility capable of safely performing order picking and the like.

[0002]

2. Description of the Related Art Conventionally, an automatic warehouse facility of this type is disclosed in, for example, Japanese Patent Laid-Open No. 2-75505. That is, a shelf having a plurality of compartment storage spaces in the vertical direction and the horizontal direction is provided, a traveling machine base that can travel on a fixed path along the front surface of the shelf is provided, and an elevating platform that can move up and down is provided on the traveling machine base. A loading / unloading tool that can be moved in and out in the lateral direction is provided on this lifting platform, and the compartment storage space at the lowest stage of the shelf is formed as a loading / unloading space. An unloading carriage that can move freely to and from the take-out position is provided. These unloading carts are supported and guided by guide rails so that they can travel freely, and can be self-propelled by a travel drive motor.

According to this, for example, at the time of order picking, the traveling platform and the lifting platform are moved to position the loading / unloading tool in front of the target compartment storage space. Then, the loading / unloading tool is operated to take out the load from the target compartment storage space, and then the lifting platform is lowered to the lowest stage of the shelf to position the loading / unloading tool in front of the loading / unloading space. Then, the loading / unloading tool is activated to place the load on the unloading carriage. afterwards,
By moving the unloading cart from the unloading space to the unloading position, order picking can be performed on the back side of the shelf, thus ensuring work safety.

[0004]

However, in the above-mentioned conventional type, there is a problem in that the carriage is provided and the guide rail is provided in order to take out the load to the back side of the shelf, so that the equipment cost becomes high. . In addition, in order to take out the load to the back side of the shelf, it is necessary to carry out a two-step operation in which the load is first placed on the unloading cart by the loading / unloading tool and then the unloading cart is moved from the unloading space to the unloading position. , Order picking was troublesome.

The present invention solves the above problems, and an object of the present invention is to provide an automatic warehouse facility which can reduce facility costs and can quickly perform order picking and the like.

[0006]

In order to solve the above problems, the automatic warehouse equipment according to the first aspect of the present invention is provided with a shelf having a plurality of compartment storage spaces in the vertical direction and the horizontal direction, and is fixed along the front surface of the shelf. Provide a traveling body that can travel freely on the route,
This traveling body is provided with an elevating body that can be raised and lowered, and a part of the compartment storage space of the shelf is formed as a loading / unloading space, and on the back side of the shelf,
A loading tray adjacent to the loading / unloading space is installed, and a lifting / lowering unit is provided with a loading / unloading tool that can move in and out in a lateral direction and extend from the front of the shelf to the loading / unloading space through the loading / unloading space. It is a thing.

In the automatic warehouse facility according to the second aspect of the present invention, a pair of front and rear shelves are provided, a fixed path is formed between the shelves so that the traveling body can travel freely, and a loading tray is installed on the back side of each shelf. Is formed so that it can be extended from the front surface of one shelf to the one receiving tray through the load carrying-in / out space and from the front surface of the other shelf to the other receiving tray through the cargo carrying-in / out space. .

The automatic warehouse facility according to the third aspect of the present invention uses a multi-stage fork as a loading / unloading tool.

[0009]

According to the structure of the first aspect of the present invention, at the time of order picking, the running body is moved and the elevating body is moved up and down to position the loading / unloading tool in front of the intended compartment storage space. Then, the loading / unloading tool is laterally pulled out to take out the load from the target compartment storage space, and thereafter the traveling body is caused to travel and the elevating body is moved up / down to position the loading / unloading tool in front of the loading / unloading space. Then, the loading / unloading tool extends from the front surface of the shelf to the loading / unloading space and onto the loading tray, whereby the load passes through the loading / unloading space from the front surface of the shelf and is placed on the loading tray. As a result, order picking can be performed on the back side of the shelf, thus ensuring work safety. Also, since the load can be placed directly on the load receiving tray from the loading / unloading tool, order picking can be performed quickly, and
Cost reduction can be achieved because the conventional equipment such as a unloading cart and a guide rail is unnecessary.

Contrary to the above order picking,
After placing the load on the cradle, take in the load from the back side of the shelf to the front side of the shelf through the load loading / unloading space by using the loading / unloading tool, and then move the traveling body and the lifting / lowering body to move the target. By storing in the compartment storage space, loading can be carried in safely and quickly.

According to the second aspect of the present invention, the load is placed on one of the load receiving trays by extending the loading / unloading tool from the front surface of the one shelf through the load loading / unloading space to the one load receiving tray. Therefore, order picking of a load can be performed on one of the receiving trays. In addition, by extending the loading / unloading tool from the front of the other shelf through the loading / unloading space to the other loading cradle, the loading can be placed on the other loading cradle, and thus the loading on the other loading cradle can be performed. Order picking can be done. In this way, since order picking of a load can be performed on the back side of one shelf and the back side of the other shelf, work efficiency is good.

According to the structure of the third aspect of the present invention, the multi-stage fork is used to take out the load from the compartment storage space, and then the multi-stage fork is positioned in front of the load / unload space to carry in the load from the front of the shelf. By extending the cargo through the exit space and onto the cargo receiving tray, the cargo is placed on the cargo receiving tray through the cargo loading / unloading space from the front surface of the shelf. By thus supporting and moving the load using the multistage fork, it is possible to provide a compact loading / unloading tool having a long stroke.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 2, 1a and 1b are shelves arranged side by side in four rows.
A passage 2 is formed between each b. As shown in FIG. 3, each of the shelves 1a and 1b is composed of a vertical column 3, a horizontal beam 4, a load receiving plate 5, and the like, has a large number of compartment storage spaces 6 in the vertical direction and the horizontal direction, and loads with the pallet 7. 8 can be stored.

As shown in FIGS. 1 to 3, shelves 1a located on the outer sides of the front and rear sides, and shelves 1b facing the shelves 1a, respectively.
In the passage 2 formed between and, there is provided a traveling body 10 capable of traveling on a fixed path 9 along the front surfaces of the shelves 1a and 1b. The traveling body 10 includes a traveling machine base 13 that is supported and guided by a floor rail 12 via wheels 11 and a traveling machine base 13 that travels.
A pair of left and right posts 14 standing upright, an upper frame 17 mounted between the upper ends of both posts 14 and guided by a ceiling rail 15 through guide rollers 16, and a traveling drive device 18 provided on the traveling machine base 13. It consists of and.

The traveling body 10 is provided with an elevating body 19 which is guided by both posts 14 and can be raised and lowered. Further, the traveling machine base 13 is provided with a lifting drive device 20 for lifting the lifting body 19.

The lowermost compartment storage spaces 6 of the shelves 1a located on the outer sides of the front and rear sides are respectively formed in the loading / unloading spaces 22 whose front and rear sides are open. Further, on the back side of both the shelves 1a, a plurality of load receiving bases 23 adjacent to the load loading / unloading space 22 are installed on the floor 24, respectively.
As shown in FIG. 4 to FIG. 6, these load receiving bases 23 include a pair of left and right mounting members 26 on which a load 8 can be placed via the pallet 7.
Consists of a leg 27 that supports the front and rear of both mounting members 26, a connecting member 28 that connects the left and right legs 27 that face each other, and a connecting member 34 that connects the front and rear legs 27 that face each other. Has been done.
At the lower end of each leg 27, a grounding body 29 that allows the level adjustment of the load receiving base 23 is provided.

Further, as shown in FIG.
Left and right positioning bodies 30a and 30b for positioning the pallet 7 placed on both the placing members 26 in the left-right direction are provided at both front and rear ends of the outer surface of the 26. Side surfaces of the left and right positioning bodies 30a and 30b facing each other in the left-right direction are formed as upward inclined surfaces 31. Further, as shown in FIG. 5, both mounting members 26 are provided on both front and rear end surfaces of each mounting member 26.
Front / rear positioning bodies 32a, 32b for positioning the pallet 7 placed on the top in the front / rear direction are provided. Side surfaces of the front-rear positioning bodies 32a, 32b facing each other in the front-rear direction are formed as upward inclined surfaces 33. The front-rear positioning body 32a closer to the shelf 1a side is formed lower than the front-rear positioning body 32b far from the shelf 1a side so as not to interfere with the movement of the fork 36 and the pallet 7 described later.

As shown in FIGS. 1 and 2, the fork 36 described above is used.
Is an example of a loading / unloading tool, and is a multi-stage type which is provided on the elevating / lowering body 19 and can be moved back and forth both forward and backward. This fork 36 is extended to one side so that one shelf 1a
The load 8 can be put in and taken out of the compartment storage space 6 and the load 8 can be put in and taken out of the compartment storage space 6 of the other shelf 1b by extending to the other side. Further, the fork 36 can be extended to the maximum on one side, and can be extended from the front surface of the one shelf 1a through the load carrying-in / out space 22 and onto the load receiving table 23.

Further, as shown in FIG.
A cargo handling area 38 is provided at one end of the. The operation of the above configuration will be described below.

For example, the other shelf 1b (or one shelf 1a
When the order picking is performed from () may be performed), the traveling drive device 18 is driven to cause the traveling body 10 to travel along the fixed path 9, and the lifting drive device 20 is also driven to drive the lifting body.
The fork 36 is moved up and down to position the fork 36 in front of the intended compartment storage space 6 on the other shelf 1b. Then, the fork 36 is extended so that the fork 36 supports the load 8 in the target compartment 6 through the pallet 7, and the fork 36 is shortened so that the load 8 together with the pallet 7 is shelved from the target compartment 6. 1
Take out between a and 1b.

After that, the elevating body 19 is lowered to the lowermost stage of the shelves 1a, 1b, and the fork 36 is positioned in front of the loading / unloading space 22. Then, as shown in FIG. 1, by extending the fork 36 from the front surface of one of the shelves 1a onto the cargo receiving table 23 through the loading / unloading space 22, the load 8 on the fork 36, together with the pallet 7, of the one shelf 1a. It passes through the loading / unloading space 22 from the front surface of the and is placed on the loading tray 23. As a result, as shown in FIG. 2, order picking can be performed on the back side of one of the shelves 1a, thus ensuring work safety. Also, load 8
Can be placed directly on the load receiving table 23 from the fork 36, order picking can be performed quickly, and cost reduction can be achieved because conventional equipment such as a unloading cart and a guide rail is not required. .

When the load 8 supported by the fork 36 via the pallet 7 is placed on the load receiving base 23, the left and right ends of the pallet 7 are positioned at the left and right positioning bodies 30a, 30 as shown in FIG.
As shown in FIG. 5, the front and rear ends of the pallet 7 are guided by the inclined surface 31 of b and the inclined surfaces of the front and rear positioning bodies 32a and 32b.
Since it is guided by 33, the pallet 7 is positioned in the front, rear, left and right directions and placed on the load receiving table 23. This can prevent the placement position of the pallet 7 from shifting.
Further, by forming the front-rear positioning body 32a closer to the shelf 1a side to be low, the front-rear positioning body 32a is forked.
There is an advantage that it does not interfere with the movement of the 36 and the pallet 7.

Contrary to the order picking described above,
After the load 8 is placed on the load receiving table 23 via the pallet 7, the load 8 is supported by the fork 36 together with the pallet 7 and the racks 1a, 1
The load 8 can also be carried in by taking it into the front side of b and storing it in the target compartment storage space 6.

In the above embodiment, the multi-stage fork 36 is given as an example of the loading and unloading tool for loading and unloading the load 8. However, this is a clamp device that can be retracted and supported to hold the load 8 between them.
The load 8 may be sucked and supported by a vacuum suction device. By using the multi-stage fork 36, it is possible to provide a compact take-out tool having a long stroke. Further, as shown by the phantom line in FIG. 2, a conveyor 39 for carrying the load 8 may be provided on the side of the load receiving table 23.

The second embodiment of the present invention will be described below with reference to FIG. A pair of front and rear shelves 1a and 1b are arranged side by side, and a passage 2 is formed between the two shelves 1a and 1b. In the passage 2, there is provided a traveling body 10 capable of traveling on a fixed path 9 along the front surfaces of the shelves 1a and 1b. The traveling body 10 is provided with an elevating body 19. The lowest compartment storage space 6 of both shelves 1a and 1b is formed in the loading / unloading space 22. Further, on the back side of each of the shelves 1a and 1b, load receiving bases 23a and 23b adjacent to the load loading / unloading space 22 are installed.

The elevating body 19 is provided with a multi-stage fork 36 that can freely move forward and backward. This fork 36
Can be extended from one side to the front side of one shelf 1a through the loading / unloading space 22 and onto one load receiving table 23a, and by extending to the other side, the other shelf 1a can be extended.
It can be extended from the front surface of b through the loading / unloading space 22 and onto the other loading tray 23b.

According to this, at the time of order picking,
After the load 8 is taken out from the one shelf 1a (or the other shelf 1b), the load 8 is placed on the one load receiving table 23a (or the other load receiving table 23b) using the fork 36, and the one load receiving table 23a.
Order picking is performed at (or the other receiving tray 23b). Thus, the back side of one shelf 1a and the other shelf 1b
Since the picking work can be done with the back side of, the work efficiency is good.

The third embodiment of the present invention will be described below with reference to FIG. In the previous embodiment, the lowermost compartment storage space of the shelf was formed as the loading / unloading space, but in the third embodiment, the loading / unloading space 22 is formed in the second or third tier from the bottom, and A loading tray 23 is installed adjacent to the loading / unloading space 22. As described above, the positions of the loading / unloading space 22 and the loading tray 23 are not limited to the lowermost stage, but may be provided on the predetermined stages of the shelves 1a and 1b according to the installation location of the automatic warehouse facility.

[0029]

As described above, according to the first aspect of the present invention, a load is taken out from the compartment storage space, and then the traveling body is made to travel and the elevating body is moved up and down to move the loading / unloading tool forward of the loading / unloading space. Position it. Then, the loading / unloading tool extends from the front surface of the shelf to the loading / unloading space and onto the loading tray, whereby the load passes through the loading / unloading space from the front surface of the shelf and is placed on the loading tray. As a result, order picking can be performed on the back side of the shelf, thus ensuring work safety. Also,
Since the load can be placed directly on the load receiving tray from the loading / unloading tool, order picking can be performed quickly, and the cost can be reduced because the conventional equipment such as the unloading truck and the guide rail is unnecessary. .

Contrary to the above order picking,
After placing the load on the cradle, take in the load from the back side of the shelf to the front side of the shelf through the load loading / unloading space by using the loading / unloading tool, and then move the traveling body and the lifting / lowering body to move the target. By storing in the compartment storage space, loading can be carried in safely and quickly.

According to the second aspect of the present invention, the load can be placed on one of the receiving trays by extending the loading / unloading tool from the front surface of one of the shelves through the loading / unloading space and onto one of the loading receiving trays. Therefore, order picking of a load can be performed on one of the receiving trays. In addition, by extending the loading / unloading tool from the front of the other shelf through the loading / unloading space to the other loading cradle, the loading can be placed on the other loading cradle, and thus the loading on the other loading cradle can be performed. Order picking can be done. In this way, since the picking work can be performed on the back side of one shelf and the back side of the other shelf, work efficiency is good.

According to the third aspect of the present invention, the multi-stage fork is used to take out the load from the compartment storage space, and then the multi-stage fork is positioned in front of the load-in / out space so that the load-in / out space can be moved from the front of the shelf. By extending through the load receiving / loading space from the front surface of the shelf, the load is placed on the load receiving base by extending through the load receiving / loading space. By thus supporting and moving the load using the multistage fork, it is possible to provide a compact loading / unloading tool having a long stroke.

[Brief description of drawings]

FIG. 1 is a side view of an automatic warehouse facility according to a first embodiment of the present invention.

FIG. 2 is a plan view of the automatic warehouse facility.

FIG. 3 is a partially enlarged front view of the automatic warehouse facility.

FIG. 4 is a plan view of a cargo receiving stand provided in the automatic warehouse facility.

FIG. 5 is a side view of the same pedestal.

FIG. 6 is a front view of the cargo receiving stand.

FIG. 7 is a plan view of an automatic warehouse facility according to the second embodiment of the present invention.

FIG. 8 is a side view of the automatic warehouse facility according to the third embodiment of the present invention.

[Explanation of symbols]

 1a, 1b Shelf 6 Compartment storage space 8 Load 9 Fixed route 10 Traveling body 19 Elevating / lowering body 22 Loading / unloading space 23 Loading platform 36 Fork (in / out tool)

Claims (3)

[Claims] 1. A shelf having a plurality of compartment storage spaces in the vertical direction and the horizontal direction is provided, and a traveling body that can travel on a fixed path along the front surface of the shelf is provided. Provide a part of the compartment storage space of the shelf in the load loading / unloading space, install a load receiving stand adjacent to the load loading / unloading space on the back side of the shelf, and move horizontally in and out of the lifting body. An automatic warehouse facility characterized by being provided with a loading / unloading tool which can be freely extended from the front surface of a shelf through the loading / unloading space to a loading tray. 2. A pair of front and rear shelves are provided, a fixed path is formed between the shelves so that the traveling body can travel freely, and a loading tray is installed on the back side of each shelf. 2. The automatic according to claim 1, wherein it is formed so as to be extendable on one of the receiving trays via the loading / unloading space and extendable from the front surface of the other shelf to the other loading tray via the loading / unloading space. Warehouse equipment. 3. The automatic warehouse facility according to claim 1, wherein a multi-stage fork is used as the loading / unloading tool.