JP3399110B2 - Automatic warehouse handling equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material handling apparatus used in an automatic warehouse installed in a factory, for example.

[0002]

2. Description of the Related Art In an automatic warehouse, various cargo handling devices are installed depending on the shape of the stored items (loads). For example, in FIG.
As shown in FIG. 2, when the stored item 1 is a long item having a large depth (D) and width (W) ratio, the stored item 1 by the forklift 3 that delivers the stored item 1 to the material handling device 2. In order to reliably transfer the cargo, the cargo handling apparatus 2 is installed so that the widthwise surface of the stored article 1 faces the outside. The loading / unloading device 5 of the automatic warehouse 4 is configured to transfer the stored item 1 to / from the cargo handling device 2 so that the widthwise surface of the stored item 1 faces the outside.
Further, the shape of the load storage space 7 of the shelves 6 of the automatic warehouse 4 is determined so as to coincide with the transfer direction of the stored items of the loading / unloading device 5.

The shelf 6 has a plurality of load storage spaces 7 formed in the vertical direction and the horizontal direction by vertical columns 8 and arms 9 attached to the columns 8. In addition, the loading / unloading device 5 is supported and guided by a floor rail and an upper guide rail (not shown) laid on the floor F along the front of the shelf 6 at the center between the pair of shelves 6 and is guided along a fixed path (traveling). Elevator 11 that is configured to run freely on the (path) 10 and that can move up and down.
The load storage space 7 and the loading / unloading tool 12 that can move in and out of the loading / unloading device 2 are provided on the lifting body 11.

However, the automatic warehouse 4 has a problem in that its width direction (direction perpendicular to the running direction of the loading / unloading device 5) becomes long and the width of the building to be installed becomes wide. Therefore, as shown in FIG. 7, the transfer direction of the stored items 1 of the loading / unloading device 5 ′ of the automatic warehouse 4 and the depth dimension of the load storage space 7 are formed according to the depth direction of the stored items 1 and the dimension D thereof. I was trying to solve the problem by providing the following handling device 2 '.

That is, the fixed path 10 of the access device 5 '
A position (hereinafter, referred to as an HP position) 13 for transferring the stored item 1 to and from the loading / unloading device 5'and a position (hereinafter, referred to as an OP position) 14 for transferring the stored item 1 to and from the forklift 3 are provided along The floor rails 15 are set separately, and the floor rails 15 are laid across the HP position 13 and the OP position 14, and a carriage 16 having a mounting surface on which the storage object 1 is placed so as to be movable on the floor rails is provided. A turntable 17 is provided on the dolly 16 so as to rotate about the center of the dolly 16 in a direction perpendicular to the traveling direction of the dolly 16. An arrow X indicates a direction in which the stored article 1 is delivered to and from the forklift 3.

[0006]

However, in the loading and unloading apparatus 2'of the automatic warehouse 4 described above, the end of the turntable 17 is extended to the area of the adjacent automatic warehouse 4 when the turntable 17 is rotated. An installation space is required up to the width of the container, so that as shown in FIG. 7, when a plurality of automated warehouses 4 are installed adjacent to each other, the loading and unloading device 2'can be moved in and out.
Since it can be installed only on one side of the fixed route 10, as a result, the loading and unloading is carried out by only one loading and unloading apparatus 2 ', and there is a problem that the work efficiency must be lowered.

The present invention solves the above problems,
An object of the present invention is to provide an automatic warehouse handling / discharging device capable of narrowing the width of a building to be installed even when the load is a long object and further improving the loading / unloading work efficiency of the automatic warehouse.

[0008]

In order to solve the above problems, a cargo handling apparatus for an automated warehouse according to a first aspect of the present invention includes a shelf having a plurality of cargo storage units, and a traveling path along the shelf to move the rack. A loading and unloading device used in an automated warehouse equipped with an in / out device for loading / unloading a load with a storage part, along a traveling path of the loading / unloading device, and a position for delivering the load to / from the loading / unloading device and the outside. A fixed route is provided across the load transfer position of, a trolley provided on the fixed route is provided, and a load placement surface on which the load is placed is provided on the trolley, and an end portion thereof is centered. And a turntable that is rotated toward the traveling path of the loading / unloading device.

Further, in the cargo handling apparatus of the second aspect of the present invention, the loading and unloading of cargo is carried out between a shelf having a plurality of cargo storage sections and a storage path of the racks which travels along a traveling route along the shelves. A loading and unloading device used in an automated warehouse equipped with a loading and unloading device for performing, on both sides of the loading and unloading device along a traveling route,
A fixed route is provided across the load transfer position with the loading / unloading device and the load transfer position with the outside, and a carriage that can travel on each of these fixed routes is provided. The load is placed on each carriage. A turntable that has a load-carrying surface and that is pivoted toward the travel path side of the loading / unloading device with its end as the center is provided.

[0010]

According to the structure of the first aspect of the invention, the turntable provided on the carriage can change the direction of the load by being rotated around the end of the turntable in the direction of the traveling path of the loading / unloading device. Therefore, the load can be easily delivered, and the turntable does not project to the adjacent area at the time of rotation, so that the width of the area to be installed can be narrowed, and as a result, the width of the building can be narrowed.

According to the structure of the second aspect of the invention, by providing the carriages provided with the turntables having the loading surfaces on both sides of the traveling path of the loading / unloading device, the mutual loading and unloading of the two trucks can be performed. It becomes possible, the working efficiency is improved, and the turntable is rotated in the direction of the traveling path of the loading / unloading device about its end,
The direction of the load at the load transfer position with the outside can be changed, and the turntable does not project to the adjacent area at the time of rotation, so that the width of the building to be installed can be narrow.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The same configurations as those of the conventional example shown in FIGS. 6 and 7 are designated by the same reference numerals, and description thereof will be omitted.

1 to 3 show the construction of a material handling apparatus according to an embodiment of the present invention. The loading / unloading device 21 of the present invention is provided with H
A floor rail 22 is laid across the P position 13 and the OP position 14, and a carriage 23 that can travel on each floor rail 22 is provided.
Each of the carts 23 has a supporting member 24 that forms a load mounting surface on which the stored article 1 is mounted, and at the OP position 13, the cart is centered around the turning shaft 26 of the bearing 25 provided at the end thereof. A turntable 27 is provided which rotates at a right angle to the traveling direction of 23 and moves in the traveling path of the loading / unloading device 5 '. Four rollers 28 are provided on the lower surface of the end of the turntable 27 opposite to the end where the bearing 25 is provided, and a ring 29 of a swivel shaft 26 between the carriage 23 and the turntable 27 and this roller 28 are provided. A turntable 27 is supported on the carriage 23.

On the extension of the fixed path 10 on the OP position 13 side, the height of the upper surface of the carriage 23 is set to the same height as the upper surface of the carriage 23, and the turntable 27 rotates about the turning axis 26. An arc-shaped turn rail 31 is installed in accordance with the locus of the roller 28 rotating toward the fixed path 10 when moving. As shown in FIG. 1, the turn rail 31 has a shape in which two rails intersect each other because the turntables 27 of the left and right carriages 23 rotate toward the fixed path 10 at the OP position 14, respectively. ing. Also, the stored item 1 is a load (main body).
1A and pallet 1B, 4 of pallet 1B
The corners are supported by the support member 24, and the space between the lower surface of the pallet 1B and the upper surface of the turntable 27 serves as a space for the loading / unloading tool (fork) 12 of the loading / unloading device 5 '. In the drawings, a traveling device (motor etc.) of the carriage 23 and a rotating device (motor etc.) of the turntable 27.
Is omitted.

The loading and unloading apparatus of the present invention is installed on the side surface of the shelf 6 of each automated warehouse 4, as shown in FIG. In FIG. 4, the turn rail 31 is represented by a chain line. Above automated warehouse 4
The operation of the loading and unloading apparatus 21 will be described.

When one of the trucks 23 for transferring the stored items 1 to and from the external forklift 3 is selected, the traveling device is driven to move the truck 23 to the OP position 14, and the other truck 23 is HP. Moved to position 13. Next, OP position
The carriage 23 that has moved to 14 is driven by a turning device, and the turntable 27 has a roller 28 around the turning shaft 26 and a turn rail.
It rotates along 31 and is rotated to a right angle position on the fixed route 10 side from the traveling direction. At this position, the forklift 3 supports the turntable 27 from the transfer direction indicated by the arrow X.
When the stored article 1 is delivered to the 24, the rotating device is driven again, and the turntable 27 is rotated on the carriage 23 in the traveling direction by the roller 28 of the turntable 27 rotating along the turn rail 31. It

The traveling device of the carriage 23 is driven to move to the HP position 13, and the carriage 23 moves to the HP position 13.
To the arrow Y by means of the loading / unloading tool 12 of the loading / unloading device 5 '.
The stored article 1 is delivered from the transfer direction indicated by.

In the above operation, when one carriage 23 is moved to the OP position 14, the other carriage 23 is moved to the HP position.
Need to move to 13. In this way, the turntable 27 provided on the carriage 23 is rotated in the direction of the fixed path 10 of the loading / unloading device 5 ′ around the turning shaft 26 at the end, whereby the transfer position of the stored article 1 with the outside is transferred. (OP position 14)
It is possible to change the orientation of the container 1 in
Even if the object is a long object, the transfer of the stored item 1 can be ensured, and the turntable 27 does not project to the adjacent area (position of the automatic warehouse 4) at the time of rotation. The narrower the width, the better, resulting in a narrower building.

Further, by providing the carriages 23 equipped with the turntables 27 on both sides of the fixed path 10 of the loading / unloading device 5 ', it becomes possible for the two carriages 23 to move in and out, thereby improving work efficiency. can do.

In this embodiment, the carriages 23 provided with the turntables 27 are provided on both sides of the fixed path 10 of the loading / unloading device 5 ', but as shown in FIG. 5, only one carriage 23 is provided. It is also possible to use a material handling device including the turntable 27. Also in this case, when the turntable 27 is rotated, the turntable 27 does not project to the adjacent area, so that the width of the area to be installed can be reduced, and as a result, the width of the building can be reduced.

[0021]

As described above, according to the first aspect of the invention, the turntable provided on the carriage is placed in the direction of the traveling path of the loading / unloading device with the end of the turntable placed on the carriage. By doing so, it is possible to change the direction of the load at the position where the load is transferred to the outside, so that the transfer of the load can be ensured even when the load is a long object, and the turntable is adjacent when rotating. It is possible to reduce the width of the building because the width of the area to be installed can be narrowed as a result, since the projecting area does not protrude.

Further, according to the second aspect of the invention, the carriages provided with the turntables having the loading surfaces are provided on both sides of the traveling path of the loading / unloading device, so that mutual loading and unloading of the two trucks can be performed. It is possible to improve the work efficiency, and the turntable is placed at the end of the turntable, and the turntable is rotated around the end in the direction of the traveling path of the loading and unloading device. The direction of the load can be changed, and the turntable does not project to the adjacent area at the time of rotation, so that the width of the area to be installed can be narrowed, and as a result, the width of the building can be narrowed.

[Brief description of drawings]

FIG. 1 is a plan view of a material handling device for an automated warehouse according to an embodiment of the present invention.

FIG. 2 is a side view of the cargo handling device of the automatic warehouse.

FIG. 3 is a partial front view of a cargo handling device of the automatic warehouse.

FIG. 4 is a plan view of an automatic warehouse in which the cargo handling device of the automatic warehouse is installed.

FIG. 5 is a plan view of a loading / unloading apparatus for an automated warehouse according to another embodiment.

FIG. 6 is a plan view and a side view of a conventional automated warehouse.

FIG. 7 is a plan view of a conventional automated warehouse.

[Explanation of symbols]

1 stored items 3 forklift 4 Automatic warehouse 5'in / out device 6 shelves 7 cargo storage space 10 constant route 12 Accessory 13 HP position 14 OP position 21 Handling equipment 22 Floor rail (fixed route) 23 dolly 24 Support member 25 bearings 26 swivel axis 27 turntable 28 Laura 29 ring 31 turn rails X Forklift transfer direction Y Transfer direction of loading / unloading device

Front page continued (58) Fields surveyed (Int.Cl. ⁷ , DB name) B65G 1/00 501 B65G 47/52 101 B65G 47/80

Claims (2)

(57) [Claims] 1. An automated warehouse equipped with a shelf having a plurality of load storage units, and a loading / unloading device for loading and unloading loads between the storage units of the rack by traveling along a traveling route along the rack. The loading and unloading device is provided with a fixed route along the traveling path of the loading and unloading device, between the delivery position of the load to and from the loading and unloading device and the delivery position of the load to and from the outside, and it is possible to travel on this fixed route. A trolley is provided, and a turntable is provided on the trolley, which has a loading surface on which the load is placed, and which is rotated about the end of the loading surface toward the travel path of the loading / unloading device. An automatic warehouse handling equipment. 2. An automated warehouse equipped with a shelf having a plurality of load storage units, and a loading / unloading device for loading and unloading loads between the storage units of the rack by traveling along a traveling route along the rack. A fixed route is provided on both sides of the loading / unloading device along the traveling route of the loading / unloading device, and a fixed route is provided between the loading / unloading position of the loading / unloading device and the loading / unloading position of the outside. Turntables each having a freely movable carriage, each of which has a load-carrying surface on which the cargo is mounted, and whose end is the center of which is turned to the travel path side of the loading / unloading device. A cargo handling device for an automatic warehouse, characterized by being provided with.