JPH07133008A - Automatic warehouse - Google Patents

Abstract

PURPOSE:To enable required parts to be quickly taken out by providing a rack provided with a plurality of load housing spaces and a stacker crane to travel on the specific path along the front surface of a load receiving place, opening the rear surface of the rack, and providing a picking deck along the rear surface. CONSTITUTION:A rack 1 is provided with many load housing spaces 3 in the vertical and horizontally directions, and pallets 4 in which a plurality of parts are housed are housed in respective load housing spaces 3. A load receiving stand 5 is provided on the sideway along the rack 1, and a stacker crane 10 wherein a fork 16 is provided on an elevating stand 15 to be guided to a post 14 erected on a traveling machine body 13 is provided so as to travel on the speciric path 11 along the front surface of the rack 1 and the load receiving stand 5. Moreover, the back surface of the rack 1 has the open structure, and a picking deck 21 having the structure of plural stages is provided along the back surface. Thereby the pallets 4 in the load housing spaces 3 can take out the parts on buckets 4 from the back surface side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic warehouse which is installed indoors for storing and storing loads, and for loading and unloading loads as needed.

[0002]

2. Description of the Related Art Conventionally, as an automatic warehouse of this type, a shelf having a plurality of load storage spaces, a load receiving stand arranged outside an end of the shelf, and a front side of the shelf and the load receiving stand are provided. By providing a stacker crane that can travel freely on the traveling passage and a crane operation panel, and operating the stacker crane under the control of the crane operation panel, the load can be transferred between the target shelf load storage space and the load receiving platform. There are known automatic warehouses that do.

[0003]

The automated warehouse is often installed as a parts supply facility in a lined assembly factory, and it is desired to supply the necessary number of parts in a timely manner. It is rare. However, according to the above-mentioned conventional format, the automatic warehouse stores and stores the parts (loads), and if necessary, carries in and out the pallets storing the parts, the buckets, or the pallets mounting the parts. Therefore, there is a problem that it is difficult to pick and supply the necessary number of parts in a timely manner. Further, conventionally, in many cases, a bucket storing the picked parts is temporarily stored, and it is necessary to secure a storage place for the bucket. Furthermore, there is a problem in that the warehousing work and the warehousing work may overlap, resulting in poor work efficiency.

The present invention solves the above problems,
It is an object of the present invention to provide an automated warehouse capable of picking up and supplying the required number of parts in a timely manner.

[0005]

In order to solve the above problems, an automatic warehouse of the present invention comprises a shelf having a plurality of load storage spaces,
An automatic warehouse equipped with a cargo receiving area and a stacker crane that travels on a fixed route along the front of the shelves and the receiving area to load and unload loads between the shelves and the cargo receiving area. And a picking deck is provided, and the rear surface of the shelf has an open structure.

[0006]

With the above construction, the worker can directly pick the load placed in the load storage space of the shelf from the picking deck, and can supply the required number of necessary parts in a timely manner.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic plan view of an automated warehouse according to an embodiment of the present invention, and FIG. 2 is a schematic front view of the automated warehouse.

As shown in the drawing, the shelf 1 has a large number of load storage spaces 3 in the vertical and horizontal directions, and each load storage space 3
A pallet or bucket (load) containing multiple parts
4 can be stored. Further, along with the shelf 1, on the side thereof, a cargo receiving stand 5 that forms a cargo receiving place is provided.
The pallets or buckets 4 are loaded and unloaded via the cargo receiving table 5.

Further, a stacker crane 10 is provided which can travel on a fixed path 11 along the front surfaces of the shelf 1 and the receiving tray 5, and the stacker crane 10 is a traveling machine body supported and guided by rails 12 via wheels. 13, a post 14 erected on the traveling body 13, and a lifting platform guided by the post 14.
15, a fork 16 which is disposed on the lifting table 15 and is capable of retracting in the lateral direction, a traveling side control device 17 which is attached to the traveling machine body 13 and controls traveling and the operation of the fork 16.

The back surface of the shelf 1 is provided with a wall body and a load storage space 3
The open structure is designed to eliminate the beam that closes the container from the back side as much as possible, and the parts can be freely taken out from the pallet or bucket 4 placed in the load storage space 3 from the back side. In addition, a picking deck 21 having a plurality of upper and lower floors (second floor in FIG. 2) is provided along the back surface of the shelf 1, and a ladder on which the worker climbs and descends to the second floor is provided on the side surface on the side of the receiving platform 5. 22 is provided, and on the other side, a receiving stand 24 for buckets (hereinafter referred to as sorting buckets) 23 for storing parts is provided on each floor, and an elevator 25 for vertical transportation of the sorting buckets 23 is further provided. ing. The elevator 25 is provided with a fork (not shown) for delivering the sorting bucket 23 to and from the cargo receiving stand 24. The height of the picking deck 21 is the height of the load storage space 3 plus the height of the pallet.

A control signal is transmitted to the traveling side control device 17 of the stacker crane 10 from a crane control panel (ground side control device) 26 provided on the outer side surface of the shelf 1 on which the load receiving platform 5 is provided. .

Next, the operation of this automatic warehouse will be described. By exchanging control signals between the crane control panel 26 and the traveling-side control device 17, the stacker crane 10 travels on the fixed path 11, ascends / descends / descends / descends / descends / descends / descendses / moves the forks 16 forward / backward. The pallet or bucket 4 is transferred between the target load storage space 3 and the target receiving tray 5 by performing a combined operation with the operation. That is, the stacker crane 10 loads and unloads in units of 4 pallets or buckets as in the conventional case.

Further, the worker is required to go up to the picking decks 21 on the first and second floors and from the pallets or the buckets 4 placed in the load storage space 3 into the empty sorting buckets 23 prepared in advance according to the picking list. Take out the required number of parts, store them, and place them on the receiving tray 24. The sorting bucket 23 is transported to the first floor by the elevator 25 and directly supplied to a predetermined station by a supply conveyor or the like, or is unit-loaded and temporarily stored and then supplied in a timely manner. The empty pallets or buckets 4 are unloaded by the stacker crane 10 and returned by the recovery conveyor or the like.

In this way, the worker is the pick king deck.
From 21, parts can be directly picked from the pallet or bucket 4 placed in the load storage space 3 of the shelf 1, and the necessary number of necessary parts can be supplied in a timely manner.

A second embodiment of the automatic warehouse of the present invention is shown in FIG. The same components as those in the first embodiment are designated by the same reference numerals. As shown in the figure, the shelf 1 and the cargo receiving stand 5 are arranged side by side with the aisle 2 interposed therebetween, and the stacker crane 10 is disposed in the aisle 2 and on a fixed path 11 'along the front surface of the shelf 1 and the cargo receiving stand 5. Is provided with a fork 16 'that can freely travel and can transfer the pallet or bucket 4 to the load storage space 3 of the front and rear shelves 1. The two receiving trays 5 are used for storage and for storage as needed.

Further, picking decks 21 of upper and lower two floors are provided along the outer side surfaces of the shelves 1 juxtaposed in parallel, and a worker climbs and descends to the second floor on the side surface on the side of the loading platform 5. A ladder 22 is provided, and on the other side, a receiving stand 24 of a sorting bucket 23 for storing parts is provided on each floor, and an elevator 25 for vertical transportation of the sorting bucket 23 is provided.

In the second embodiment as well, as in the first embodiment, the worker can pick up parts from the picking deck 21 from the pallet or bucket 4 placed in the load storage space 3 of the shelf 1. Can be directly picked up, and the necessary number of necessary parts can be supplied to the assembly line in a timely manner.

A third embodiment of the automated warehouse of the present invention is shown in FIG. The same components as those in the first and second embodiments are designated by the same reference numerals. As shown in FIG.
Shows the configuration when three automated warehouses A, B, and C are installed side by side. Picking decks 21, ladders 22, and receiving trays are provided along the outer side of shelf 1 of automated warehouse B, respectively. 24 and the elevator 25 are configured to be shared by the automatic warehouses A, B, and C. The outermost (rightmost) shelf 1'of the automated warehouse C is used as a storage space for each long-term storage pallet or bucket 4, and the outermost (leftmost) shelf 1 "of the automated warehouse A is used.
Pallets or buckets 4 for the next line
As a place to store, I try not to pick.

In FIG. 4, 31 is an automatic warehouse A,
It is an unmanned carrier that supplies and collects pallets or buckets 4 to B and C, and the receiving platform 5'is the pallet or bucket 4 delivery position between this unmanned carrier 31 and the stacker crane 10. In order to have room for delivery of 4, the upper part is composed of a conveyor,
The pallet or bucket 4 can be moved, and 2 to 3
I am trying to store the unit. A conveyor 32 conveys the sorting bucket 23, which stores picked parts from the elevator 25, to the assembly line, and stores the pallet or bucket 4 from the conveyor 32 to the conveyor 32 side of the shelf 1 ″ of the automatic warehouse A. A loading tray 33 is provided, and if necessary, a recovery conveyor can be provided above the conveyor 32.

Also in the above third embodiment, the first and second
In the same manner as in the above embodiment, the worker can directly pick the parts from the picking deck 21 from the pallet or bucket 4 placed in the load storage space 3 of the shelf 1, and the parts needed in a timely manner. Can be supplied to the assembly line via the conveyor 32 in the required number.

Further, in the third embodiment, the sorting bucket 23 containing the picked parts is conveyed to the unit loading site (not shown) by the conveyor 32, and the sorting bucket 23 is stored in the unit loading site. , Pallets or buckets 4 can be grouped by station and temporarily stored in the load storage space 3 of the shelf 1 ″ of the automated warehouse A via the load receiving table 33 and the stacker crane 10.
Then, it can be supplied to the predetermined station by the automatic guided vehicle 31 in a timely manner. Also. The automated guided vehicle 31 will return on the way back, collecting empty pallets or buckets 4.

Incidentally, as shown in FIG. 5, a pick-up display 41, which is used in a known picking facility, may be provided on the side of the picking deck 21 for each load storage space 3 of the shelf 1 to speed up picking. it can. The pick-up indicator 41 is an indicator lamp 42 for displaying the parts to be picked.
And a digital display 43 for displaying the number of parts to be picked in the sorting bucket 23, and a confirmation switch 44 operated at the end of picking in the sorting bucket 23.

The worker moves to the position of the pallet or bucket 4 where the display lamp 42 is lit, and picks up the number of parts displayed on the digital display 43 from the pallet or bucket 4 to the sorting bucket 23 prepared in advance. Then, the confirmation switch 44 is operated upon completion of picking.
By repeating this operation, it is possible to quickly pick the required number of required parts in the sorting bucket 23. If the picking deck 21 is long, a wheelbarrow can be used.

[0024]

As described above, according to the present invention, the worker can directly pick the load placed in the load storage space of the shelf from the picking deck, so that the productivity of the work can be improved. At the same time, it is possible to supply the required number of required parts in a timely manner.

[Brief description of drawings]

FIG. 1 is a schematic plan view of an automated warehouse according to an embodiment of the present invention.

FIG. 2 is a schematic front view of the same automated warehouse.

FIG. 3 is a schematic plan view of an automated warehouse according to another embodiment of the present invention.

FIG. 4 is a schematic plan view of an automated warehouse according to another embodiment of the present invention.

FIG. 5 is a front view of a pickup indicator provided in the automatic warehouse of the present invention.

[Explanation of symbols]

 1, 1 ', 1 "Shelf 3 Load storage space 4 Pallet or bucket (load) 5, 5', 33 Load receiving platform (load receiving area) 10 Stacker crane 11, 11 'Fixed route 16, 16' Fork 17 Travel side control device 21 Picking Deck 22 Ladder 23 Sorting Bucket 24 Receiving Stand 25 Elevator 26 Crane Control Panel (Ground Side Control Unit) 41 Pickup Display

Claims (1)

[Claims] 1. A stacker crane having a rack having a plurality of load storage spaces, a cargo receiving area, and a fixed path along a front surface of the rack and the cargo receiving area, for loading and unloading the rack and the cargo receiving area. An automatic warehouse comprising: a picking deck provided along a rear surface of the shelf, the rear surface of the shelf having an open structure.