JP2927034B2 - Moving shelf 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 mobile shelf facility which is installed in a warehouse or a factory, for example, and can always store articles efficiently and can easily and safely enter and leave a warehouse. is there.

[0002]

2. Description of the Related Art Conventionally, as this kind of equipment, for example, a shelf equipment as disclosed in Japanese Utility Model Laid-Open No. 132303/1986 has been provided. In this conventional configuration, a plurality of movable shelves that can reciprocate in the direction between fixed shelves are arranged between a pair of front and rear fixed shelves, and each shelf has a plurality of partitioned storage spaces in the vertical and horizontal directions. Have.

In the movable shelf, a plurality of wheels provided at a lower portion are mounted on rails on the floor side, and the mounted motors are connected to the wheels in an interlocking manner, so that the movable shelf can be individually moved on a fixed path. . At this time, in order to avoid collision between the shelves or collision of the movable shelf with other objects, other object detection devices are provided on opposing surfaces of each shelf.

[0004]

However, according to the conventional structure described above, a forklift truck travels in the width of the work space formed between the fixed shelf and the movable shelf or between the movable shelves, for example, in the work space. And it must be set to a length that allows turning. This work space is quite large, and the ratio of the storage space to the installation space (storage efficiency) is reduced accordingly. In addition, although the other object detection device is provided but is not sufficient, the movable shelf may collide with an operator who has cleared the other object detection device and entered the work space, causing an accident.

An object of the present invention is to provide a mobile shelf facility which can improve the storage efficiency to a minimum and can always perform safe entry and exit work.

[0006]

In order to achieve the above-mentioned object, a moving shelf facility according to the present invention comprises a pair of front and rear fixed shelves, and a plurality of moving shelves that can reciprocate in the front-rear direction between these fixed shelves. was set, with these fixed shelves and mobile shelves, it has a vertical and a plurality of compartments accommodating space in the lateral direction,
In movable rack system, which was in the front forward capable of forming a working space of fixed shelves and mobile shelves, a load handling field formed outward in the lateral direction of the shelf group, in this the handling field, in the longitudinal direction
A home position that is movable and that is outside the end of the fixed shelf
Two load bearing platform of which the emission is provided, said fixed is supported and guided by arranged the rail on the shelf, providing a travel freely girders in transverse direction over between the upper shelf unit and the handling field, the girders to be supported and guided by the movable movable member provided movable and in the working space in the longitudinal direction, to the movable body, provided with a projecting and retracting freely out device to vertically movable in and the front-rear direction, of the loading and unloading device By operation, the compartment storage space
Of goods to / from the warehouse and delivery of goods to / from the loading dock
It is configured to perform

[0007]

According to the construction of the present invention, the girder is moved above the cargo handling area, and the movable body is positioned in the cargo handling area. Then, one of the load receiving tables is moved in the front-rear direction to approach the movable body. By stopping, the article can be transferred between the movable body and the load receiving table by the combined operation of the elevating and lowering movement and the reciprocating movement of the loading / unloading tool.

[0008] Then, with the movable shelf group moved so that a work space is formed in front of the intended compartment storage space, the movable body is moved to be positioned outside the end of the work space. During the movement of the movable body, the load receiving table that is in the way is moved backward.

Next, the girder is run, and the movable body is moved in the work space so as to face the front of the intended compartment storage space and stop. Then, articles can be put in and taken out of the target compartmental storage space by a combined operation of raising / lowering movement of the putting-in / out tool and moving-out movement.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a pair of front and rear fixed shelves.
A plurality of movable shelves 2 which can reciprocate in the front-rear direction, which is the direction between fixed shelves, are provided. Each of the shelves 1 and 2 has a plurality of compartments 3 in the vertical and horizontal directions. Each movable shelf 2 has two flanged wheels 5 in the front and rear direction on the left and right side lower frames 4 respectively, and a pair of left and right intermediate lower frames 6 located inside is divided into two in the front and rear direction,
Each divided frame has a pair of front and rear brimless wheels 7.

The movable shelf 2 is mounted on rails 8 and 9 laid on the floor side via wheels 5 and 7, and a motor (running drive device) 10 mounted on each is linked to a collarless wheel 7. By doing so, it is possible to reciprocate separately on the fixed path 11 which is the front-back direction. Here, the installation intervals of the fixed shelves 1 are set so as to form a work space S slightly longer than the depth dimension (the front-rear dimension) of the compartment storage space 3.

The intermediate lower frame 6 has a gate-shaped rail shape, and has a front and rear end provided with a photoelectric switch 12 as an example of a transceiver for transmitting a movement control signal, Reflector 13 is attached. In addition, the photoelectric switch 12 or the reflection plate 13 is also attached to the corresponding position of the fixed shelf 1. Further, a control device 14 is provided on one outer surface of the movable shelf 2.

A loading area 15 is formed outside one of the shelves 1 and 2 in the left-right direction, and the loading area 15 is reciprocally movable in the front-rear direction, that is, in the direction along the fixed path 11. A loading table 16 is provided. The receiving table 16 is of a self-propelled type, and is supported and guided via a wheel or the like to a rail 17 laid on the floor side along the rails 8 and 9, and an upper portion is formed on an article supporting section 18. In addition, two loading trays 16 are arranged, and the outer side of the fixed shelf 1 is located at the home position.
19 is assumed.

On the upper portions of the fixed shelves 1, crane rails 20 in the left-right direction are disposed via fixing members 21. Girders 23 supported and guided by the crane rails 20 via wheels 22 are provided on the shelves. The vehicle can travel in the left-right direction over the space between the first and second groups and the cargo handling area 15. A movable body 25 supported and guided by a guide portion 24 of the girder 23 and movable in the front-rear direction.
Is provided.

The movable body 25 has a box-like shape with open front and rear surfaces, and the length in the front-rear direction is set slightly shorter than the length of the work space S. It becomes movable in the left-right direction within S. A movable carriage 26 is provided in the movable body 25, and an insertion / removal tool 27 is provided on the carriage 26 so as to be able to move back and forth in the front-rear direction.

The movement of the carriage 16 is controlled by a conventional self-propelled carriage control system, and the movement of the girder 23 and the movement of the movable body 25 are controlled by a conventional overhead crane control system. The exit and retreat are suitably controlled by the conventional automatic warehouse crane control system.

Next, the operation of the above embodiment will be described. In order to transfer goods between the girder 23 side and the load receiving table 16, first, the girder 23 is supported by the crane rail 20 and supported.
Is moved above the cargo handling area 15 and the movable body 25 is moved to the cargo handling area 15.
Within.

Next, the loading tray is supported by the support guide of the rail 17.
The movable member 16 is moved from the home position 19 toward the movable member 25 and stopped at a position close to the movable member 25. In this state, a combined operation of raising and lowering the carriage 26 and moving the loading / unloading tool 27 is performed, whereby the movable body 25 and the
Items can be delivered to and from 16.

Then, the group of movable shelves 2 is moved so that a work space S is formed in front of the intended compartment storage space 3. The movement of the group of movable shelves 2 is performed on the fixed path 13 while being supported on the rails 8 and 9 via the wheels 5 and 7 by forcibly rotating the collarless wheels 7 by driving the motor 10. At this time, the light from the photoelectric switch 12 is
The movement of the moving shelf 2 is controlled without collision, etc., due to reflection and reflection of the moving control signal.

With the working space S thus formed, the movable body 25 is moved to be positioned outside the end of the working space S. Prior to the movement of this movable body 25,
16 is moved to the home position 19 side. Then, in a state where the vehicle is stopped at the home position 19, the delivery of articles to the cargo receiving table 16 is performed by, for example, a forklift truck.

As described above, the girder 23 is run with the movable body 25 positioned outside the end of the work space S,
The movable body 25 is moved in the work space S. Then, the movable body 25 is stopped by facing the front of the intended compartment storage space 3. In this state, as described above, the combination of the raising / lowering movement of the carriage 26 and the movement of the loading / unloading tool 27 is performed, so that articles can be taken in and out of the target compartment storage space 3.

In the above embodiment, the forklift truck is used to transfer articles to the cargo receiving stand 16 stopped at the home position 19, but this is opposed to the home position 19 as shown by a virtual line in FIG. or which fixed load bearing platform 30 and, or the storage conveyor 31 is arranged outside the movement path of the load bearing platform 16, but it may also be performed to transfer the article between the load bearing platform 16.

[0023]

According to the present invention having the above structure, the girder is moved above the cargo handling place to position the movable body in the cargo handling area, and then any one of the receiving tables is brought close to the movable body and stopped. Thus, it is possible to transfer articles between the movable body and the loading tray via the loading / unloading tool. The movable shelves are moved so that a work space is formed in front of the intended compartment storage space, and the girder is moved while the movable body is positioned outside the end of the work space, thereby working on the movable body. It can be moved within the space to face the intended compartment storage space, and articles can be stored in and out of the space through the access tool.

As described above, according to the present invention, since the working space may have a width that allows the movable body to move, the ratio of the storage space to the installation space (storage efficiency) can be reduced to a minimum, and the work space can be reduced. Since the movable body moves and the worker does not need to enter, safe entry / exit work can be always performed.

[Brief description of the drawings]

FIG. 1 is a perspective view of a moving shelf facility according to an embodiment of the present invention.

FIG. 2 is a schematic plan view of the moving shelf equipment.

FIG. 3 is a schematic side view of the moving shelf equipment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fixed shelf 2 Moving shelf 3 Compartment storage space 10 Motor (travel drive device) 15 Handling area 16 Loading table 19 Home position 23 Girder 25 Moving body 26 Carriage 27 Accessory 30 Fixed loading table 31 Storage conveyor

Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B65G 1/00-1/20

Claims (1)

(57) [Claims] 1. A pair of front and rear fixed shelves, and a plurality of movable shelves reciprocally movable in the front-rear direction between these fixed shelves.
And, these fixed shelves and mobile shelves has a plurality of compartments accommodating space in the vertical direction and the lateral direction, the movable rack system, which was capable of forming a working space in front ahead of the fixed shelves and mobile shelves, the shelf group A cargo handling area is formed outside in the left and right direction, and the cargo handling area can be freely moved in the front-rear direction.
And the outside of the end of the fixed shelf as the home position 2
Stand the load bearing platform is provided of the fixed are supported and guided by arranged the rail on the shelf, the travel freely girders in the lateral direction is provided over between the upper shelf unit and the handling field, it is supported and guided by the girders provided movable movable body movable in and the working space moves in the longitudinal direction Te, to the movable body, provided with a projecting and retracting freely out device to vertically movable in and the front-rear direction, the output
By the operation of the insert, the articles in the compartment storage space
To transfer goods to and from the loading and unloading
Movable rack system, characterized by being configured to.