JP2913492B2 - 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
Plural units that can move back and forth between these fixed shelves
It disposed a moving shelf, these fixed shelves and mobile shelves, to have a plurality of compartments accommodating space in the vertical direction and the horizontal direction DOO
In particular , the present invention relates to a shelf facility capable of forming a working space in front of these fixed shelves and movable shelves .

[0002]

2. Description of the Related Art Conventionally, as this kind of shelf equipment, for example, an automatic warehouse equipment as disclosed in Japanese Utility Model Publication No. Sho 54-40621 is provided. This conventional configuration includes a pair of fixed racks,
It has a plurality of movable racks movably installed on rails laid on the floor between these fixed racks, and a portal crane that straddles these rack groups. The portal crane has a traversing carriage that is movable along the moving direction of the moving rack, and a mast that hangs down from a turntable on the lower surface of the traversing carriage is equipped with a lifting platform that moves up and down along the mast. A fork mechanism capable of protruding left and right is installed on the elevator. A work space that allows the mast or the like to traverse or rotate is formed outside the end of the rack group, and a loading station including a roller conveyor is arranged on the opposite side of the work space from the rack group. .

According to this conventional structure, a crane passage can be formed in front of the front of a target rack by moving a movable rack group, and a mast or the like is moved in the crane passage by moving a portal crane, and then a fork mechanism is provided. , The load can be carried in and out of the target rack. In the work space, the luggage can be transferred to and from the loading station by operating the fork mechanism after rotating the mast or the like via the turntable.

In such a shelf facility, when a large amount of luggage is unloaded from a group of shelves and transported by truck, the luggage is taken out from the group of shelves to a loading station, and then the luggage on the loading station is trucked by a forklift or the like. Or, the luggage taken out of the loading station is sequentially stored in another shelf device by a forklift or the like, and the luggage in another shelf device is loaded on a truck by a forklift or the like.

[0005]

According to the above-mentioned conventional configuration, in the type in which the luggage taken out from the group of shelves to the loading station is loaded on a truck by a forklift or the like, the amount of storage on the loading station is small. The luggage must be sequentially unloaded by the portal crane, and at that time, the unloading time of the portal crane, which performs complicated and slow operations, becomes the loading time to the truck, so it takes a very long time as a whole. Become. Therefore, it is not possible to quickly cope with a peak delivery in which a large amount of luggage is discharged at once or a peak storage in which a large amount of luggage is stored at once. In the form of storage in another shelf device, this separate shelf device and its dedicated space are required, and a transfer means between another shelf device and the loading station is required.

An object of the present invention is to provide a shelf facility capable of promptly dealing with peak outgoing and peak incoming without using another shelf device or transfer means.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, a shelf facility of the present invention comprises a pair of front and rear fixed shelves,
A plurality of movable shelves that can move back and forth between shelves
Disposed of, with these fixed shelves and mobile shelves, has a vertical and a plurality of compartments accommodating space in the lateral direction, which
The front front of al fixed shelves and mobile shelves can form a working space
In the shelf facility, a cargo handling area is formed outside the shelf group in the left-right direction , and a plurality of compartments are vertically and horizontally stored on the opposite side of the cargo handling area from the shelf group. the storage shelves have a space provided, strike from the stationary upper shelf
Rails are installed over the storage shelves and support these rails.
Left and right over the space between the shelves and the cargo handling area
A girder that can run freely in the direction is provided, and this girder is
Unloading from the work space to fixed shelves and moving shelves
The out freely access device a load from the handling field side provided for freely in and the storage shelf placed, the stress <br/> over di shelves, the load from the surface opposite to the the handling field side It is configured to be able to move in and out freely.

[0008]

In the configuration of the present invention, when a load is received,
First, a load is loaded from a surface opposite to a target compartment storage space of a storage shelf by a forklift or the like.
Then, the girder is moved above the cargo handling place, and the load is taken out from the intended compartment storage space of the storage shelf by the loading / unloading operation of the loading / unloading device in the loading place. Next , a work space is formed in front of the intended compartment storage space.
With the movable shelf group moved so as to be formed, the loading / unloading device is moved in the cargo handling place and positioned outside the end of the work space. Then, the girder is moved , the loading / unloading device is moved in the working space, and the loading / unloading operation can be performed by opposing and stopping the front of the intended compartment storage space and then performing the loading / unloading operation.

[0009] load of goods issue, empty out device is positioned on the edge outer side of the working space in the same manner as described above, moth
The loader is moved in the work space by running the loader, is opposed to the front of the intended compartment storage space, and is stopped. Next, the loading / unloading device is moved in the work space by traveling of the girder and positioned in the cargo handling area, and then moved in and out of the cargo handling area, so that the cargo is loaded into the target compartment of the storage shelf. You can leave.

[0010] In this way, a group of loads to be delivered can be collected and stored on a storage shelf. This storage operation is performed, for example, by setting a list of deliveries the next day in the centralized control device, thereby making it possible to store at night. Can be performed efficiently by unmanned operation. In addition, loading of the loaded truck into the truck is performed by using a forklift from the surface of the storage shelf opposite to the cargo handling area, taking out the load in the target compartment, and loading it into the truck. It can be carried out quickly without being affected by the expected loading / unloading work. Note that a group of loads conveyed by truck can be efficiently stored in the storage shelf in the same manner.

[0011]

Ru real施例der the rack system of the present invention to EXAMPLES Hereinafter
The shelf equipment will be described with reference to FIGS.

Reference numeral 1 denotes a pair of front and rear fixed shelves.
A plurality of movable shelves 2 that can reciprocate in the front-rear direction, which is the direction between fixed shelves, are provided therebetween. Each of the shelves 1 and 2 has a plurality of compartments 3 in the vertical and horizontal directions. Each of the movable shelves 2 has a pair of front and rear flanged wheels 5 on the left and right side lower frames 4 respectively, and a pair of left and right middle lower frames 6 located inside is divided into two in the front and rear direction. Each has a pair of front and rear brimless wheels 7. The moving 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 interlocking. , And can be reciprocated separately on the fixed path 11 in the front-rear direction.

Here, the installation interval of the fixed shelves 1 is set so as to form a work space S slightly longer than the depth dimension (front-back dimension) of the compartment storage space 3. The middle lower frame 6 has a gate-shaped rail shape, and has a front and rear end provided with a photoelectric switch 12 which is an example of a transmitter / receiver for transmitting a movement control signal, The reflection plate 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.

A cargo handling place 20 is formed outside the shelves 1 and 2 in the left-right direction. And at the top of both fixed shelves 1,
Left and right crane rails 21 are provided, one end of each of the crane rails 21 in the longitudinal direction passes above the cargo handling place 20, and the other end is a set distance from the other end of the fixed shelf 1. L extends outward. Girder 23 supported and guided by both crane rails 21 via wheel 22
The shelves 1,
The vehicle can travel in the left-right direction over the space between the second group and the cargo handling place 20.

An insertion / removal device 25 supported and guided in a suspended manner by a guide portion 23a of the girder 23 and movable in the front-rear direction.
Is provided. The main body of the loading / unloading device 25 is
Upper frame 27 supported and guided to wheel 23a via wheel 26
A turning frame 29 provided at a lower portion of the upper frame 27 via a turning device 28 so as to be rotatable around a vertical axis, a pair of posts 30 suspended from the turning frame 29, and a lower portion of these posts 30. By the lower frame 31 that connects between,
The front and rear surfaces are formed in an open framework. The length in the front-rear direction is set to be slightly shorter than the length of the work space S.
It can move freely in the left and right directions.

On the upper frame 27 of the loading / unloading device 25, a lateral action device 32 interlocking with the wheel body 22 is mounted. A carriage 34 is provided between the two posts 30 so as to be able to move up and down by the operation of an elevating and lowering device 33 disposed on the revolving frame 29. 36
Is provided.

When the girder 23 supported and guided by the crane rail 21 travels to one end side, the loading / unloading device is moved.
All of 25 can be located in the cargo handling area 20, and the girder 23 runs to the other end, so that a part of the upper frame 27 or the other post 30 rushes into the installation space 37, and In and out of the girder 23 is a shorter access tool 36,
It can face the compartment 3 located at the other end of the shelves 1, 2.

When the other end of the crane rail 20 in the length direction extends outward by a set distance L, a dead space is formed outside the other end surfaces of the shelves 1 and 2. A control device 38 for each movable shelf 2 is provided on the floor side. Here, the control device 38 is connected to the corresponding movable shelf 2 via the branch cable 39, and at this time, the control device 38 and the branch cable 39 are moved in the movable range when the movable shelf 2 is moved to any position. It is arranged and formed to fit inside. Further, adjacent control devices 38 are mutually connected by a sub-cable 40 arranged on the floor side. And in the installation space 37,
A centralized control device 41 is disposed facing one fixed shelf 1,
This central control unit 41 is connected to the adjacent control unit 38 by the main cable.
Connected via 42. Each cable 39, 40, 42
Performs transmission and reception of signals, power supply, and the like.

A storage shelf 45 is provided on the side opposite to the shelves 1 and 2 with the cargo handling place 20 inside. The storage shelf 45 has a plurality of compartments 46 in the vertical and horizontal directions, and the loading / unloading device 25
The load 47 can be freely inserted and removed from the side. Further, the storage shelf 45 is configured so that the load 47 can be freely loaded and unloaded from a surface 45a on the opposite side to the above-mentioned cargo handling place 20 side. That is, the surface 45a on the opposite side is released without using a brace or the like, like the surface on the cargo handling place 20 side.
A load 47 can be loaded and unloaded from a target compartment storage space 3 by a forklift 48 from the outside of FIG.

The traveling of the girder 23 and the movement of the loading / unloading device 25 are performed by a conventional overhead crane control method, and the raising / lowering movement of the carriage 34 and the moving of the loading / unloading tool 36 are controlled by a conventional automatic warehouse crane control method. Each is suitably controlled.

Next, the operation of the above embodiment will be described. In order to store the load 47, first of all, by the action of the forklift 48, etc.
For the intended compartment storage space 46 of the storage shelf 45,
The load 47 is put in from the opposite surface 45a. Before and after this, the girder 23 is caused to travel above the cargo handling area 20 by the support guide on one end side of the crane rail 21, and the empty loading / unloading device 25 is positioned in the cargo handling area 20. Next, by the operation of the lateral action device 32, the loading / unloading device 25 is moved in the front-rear direction by the support and guidance of the guide portion 23a, and stopped at a position facing the intended partition storage space 46 of the storage shelf 45.

Before and after this, on the loading / unloading device 25 side,
The post is moved through the turning frame 29 by the operation of the turning device 28.
The 30 side is rotated 90 degrees, and the insertion / removal tool 44 is opposed to the storage shelf 45 with the left / right direction. In this state, a combined operation of raising and lowering the carriage 42 and moving the loading / unloading tool 44 is performed, whereby the load in the compartment storage space 46 is reduced.
47 is taken in and taken out by the device 25. Then post 30 side
It is returned and rotated over 90 degrees, and the direction of the insertion / removal tool 36 is set to the front-back direction.

Before and after this work, 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 two movable shelves is performed by transmitting an instruction signal from the central control device 41 to the main cable 42 or the sub-cable 42.
This control device is given to a target control device 38 through 40.
The instruction signal from 38 is transferred to the moving shelf 2 via the branch cable 39.
It can be done by giving to the side. That is, the collarless wheel 7 is forcibly rotated by the motor 10 based on the instruction signal, and the movement is performed on the fixed path 11 while being supported by the rails 8 and 9 via the wheels 5 and 7. At this time, the movement control signal is transmitted and received, for example, the light emitted from the photoelectric switch 12 is reflected by the reflection plate 13, so that the movement of the movable shelf 2 is controlled without collision.

With the working space S formed in this way, the actual loading / unloading device 25 is moved by the operation of the lateral action device 32.
It is moved in the front-rear direction by the support guide of the guide portion 23a and positioned outside the end of the work space S. Next, the girder 23 is caused to travel by the traveling drive device 24, and the loading / unloading device 25 is moved in the work space S. And access device 25
In a state where the carriage 34 is stopped facing the front of the compartment storage space 3 for the purpose, the combination operation of the raising and lowering movement of the carriage 34 and the movement of the insertion / removal tool 36 is performed as described above. Of goods 47 can be stored.

In unloading the load 47, the empty loading / unloading device 25 located outside the end of the work space S is moved in the work space S in the same manner as described above to move the target compartment. After facing the front of the storage space 3 and stopping it, the loading / unloading device 25 is operated to take out the load 47. Then, the loading / unloading device 25 supporting the load 47 is moved in the work space S and stopped at the cargo handling place 20.

The loading / unloading device 25 that has come out of the cargo handling place 20 in this way moves in the cargo handling place 20 in the front-rear direction,
The storage shelf 45 is stopped at a position facing the intended partition storage space 46. In this state, a combination operation of the raising and lowering movement of the carriage 34 and the reciprocating movement of the loading / unloading tool 36 is performed, and the load 47 on the loading / unloading device 25 is transferred to the compartment space 46. Thereafter, the load 47 can be taken out from the opposite surface 45a by the action of a forklift 48 or the like, thereby carrying out the retrieval.

When a large number of loads 47 are to be unloaded and transported by truck, a group of loads 47 to be unloaded is collected on a storage shelf 45. At this time, the transfer of the storage load 47 to the storage shelf 45 is performed when the expected load 47 is not transferred between the storage shelf 45 and the two shelves 1 and 2. In this case, by setting the list of dispatches the next day in the central control device 41, the storage operation can be performed efficiently by unmanned operation at night, for example.

In this way, a group of loads 47 to be delivered to the storage shelf 45 is stored. Then, the loading of the arrived truck 47 is performed by operating one or a plurality of forklifts 48 from the surface 45a of the storage shelf 45 on the side opposite to the cargo handling area 20 side, and the intended compartment storage space 46 By taking out the load 47 and loading it on the truck, it can be performed efficiently and continuously. The group of loads 47 transported by truck can be efficiently stored in the storage shelf 45 in the same manner.

[0029] Incidentally, as described above, compartment housing space 46 which is not used for unloading for storage of the storage shelves 45, Ru is used for normal load storage and unloading goods movements.

[0030]

[0031]

[0032]

According to the present invention having the above-described structure, it is possible to move the loading / unloading device in a work space or a cargo handling area,
By performing the loading / unloading operation, loading / unloading of the load into / from the target compartment storage space of the shelf can be automatically performed. By operating the loading / unloading device in the loading / unloading area, it is possible to automatically transfer the load to and from the target storage space of the storage shelf.

When a large amount of cargo is to be unloaded and transported by truck, a group of loads to be unloaded can be collected and stored on a storage shelf. Such a storage operation can be performed efficiently by unmanned operation at night, for example, by setting a list of next-day delivery in a centralized control device. In addition, loading of the truck to the arriving truck can be performed by using a forklift from the surface of the storage shelf opposite to the cargo handling area, so that the load in the target compartment storage space can be taken out and loaded into the truck, It can be carried out quickly without being affected by the expected loading / unloading work by the loading / unloading device. Note that a group of loads conveyed by truck can be efficiently stored in the storage shelf in the same manner.

As described above, according to the present invention, cargo handling outside the group of shelves can be quickly and accurately performed by a simple structure and control using a single loading / unloading device. Therefore, it is possible to promptly deal with peak outgoing and peak incoming without using another shelf device or transfer means.

[Brief description of the drawings]

[1] shows the Kazumi施例of the present invention, is a perspective view of a rack system.

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

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

[Figure 4] Ru front view der of the same shelf equipment essential part.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fixed shelf 2 Moving shelf 3 Compartment storage space 11 Constant path 20 Handling area 21 Crane rail 23 Girder 23a Guide part 25 Loading / unloading device 28 Swivel device 34 Carriage 36 Accessory 45 Storage shelf 45a Opposite surface 46 Partition storage space 47 Load 48 Forklift S Work space

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-144309 (JP, A) JP-A-1-176706 (JP, A) JP-A-59-92805 (JP, A) 40621 (JP, Y2) Jikken 42-9726 (JP, Y1) (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 space between these fixed shelves.
With multiple movable shelves that can move back and forth in the front and back direction
And, these fixed shelves and mobile shelves, which has a vertical and a plurality of compartments accommodating space in the lateral direction, these fixed
In rack system which is capable forming a working space in front front of shelves and mobile shelves, a load handling field formed outward in the lateral direction of the shelf group, opposite to the shelf group and in this the handling field Has multiple compartments in the vertical and horizontal directions.
The storage shelves provided, the storage from the stationary upper shelf
Arrange rails on shelves and support guides on these rails
And left and right across the space between the shelves and the cargo handling area.
Provide a girder that can run freely and fix the girder to the girder.
Loading and unloading of shelves and moving shelves from the work space side
The out freely access device a load from the handling field side provided for standing a and the storage shelves, the storage shelves
Is a shelf facility wherein a load can be freely loaded and unloaded from a surface opposite to the cargo handling side.