JP2751708B2 - 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 shelf facility capable of forming a work space between shelves having a plurality of compartments in a vertical direction and a horizontal direction.

[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 gate crane movably installed on rails laid on the floor and straddling a group of racks. 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 configuration, a crane passage can be formed in front of the front of a target rack by moving a group of movable racks, 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. Further, in the working space, the mast or the like is rotated via the turntable, and then the fork mechanism is operated, so that the luggage can be transferred to and from the loading station.

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 structure, the transfer operation of the mast or the like and the movement of the fork are performed to transfer the load to and from the loading station. Can not be done. Further, since the hanging mast is rotated, the load is shifted or dropped due to the centrifugal force during rotation, particularly when the fork mechanism supports the load.

[0006] In the case of transporting trucks, in a type in which the luggage taken out of the group of shelves to the loading station is loaded on the truck by a forklift or the like, the amount of storage on the loading station is small, and the luggage is sequentially loaded by the portal crane. It is necessary to unload, and at that time, the unloading time of the portal crane which performs a complicated and slow operation becomes the loading time to the truck,
This will take a very long time as a whole. In the case of storing data in another shelf device, the other shelf device and its dedicated space are required.

[0007] It is an object of the present invention to quickly and accurately handle cargo outside a group of shelves, and to always allow smooth and safe entry and exit of a warehouse, and to simplify the structure and control of a large number of warehouses. The present invention is to provide a shelf facility that can quickly cope with the problem.

[0008]

According to a first aspect of the present invention, there is provided a shelf facility comprising: a fixed shelf; and a movable shelf which is reciprocally movable in a front-rear direction which approaches and moves away from the fixed shelf. The shelves have a plurality of compartments in the vertical and horizontal directions so that a work space can be formed in front of the front of each shelf, and a shelving facility that forms a cargo handling area outside the horizontal direction of the shelf group. , before Symbol provided to move freely access device in the longitudinal direction in material handling hall, at least one fixed shelf constitutes freely goods movements the load from the surface opposite to the working space forming surface. And the shelf equipment of the second invention is the first one
In the configuration described above, a pair of rails are
Girder supported by these rails
The installation and removal device is supported and guided by the girder.
A girder that is movable in the front-rear direction in the cargo handling area;
The vehicle moves left and right within the work space
I am here.

[0009]

In the construction of the first aspect of the present invention, when a load is stored, the load is first delivered to a loading / unloading device in a loading / unloading place via a load receiving stand or the like. Before and after this work, the movable shelf is moved so that a work space is formed in front of the intended compartment storage space. The loading / unloading device supporting the load is then moved within the loading area and positioned outside the end of the working space. Then, the loading / unloading device is moved in the work space, and is opposed to the front of the intended compartment storage space and stopped, and then the loading / unloading device is operated to load the cargo into the intended compartment storage space.

In order to unload the cargo, the empty loading / unloading device located outside the end of the work space is moved in the work space in the same manner as described above so as to face the front of the intended compartment storage space. After stopping, the load can be taken out from the intended compartment storage space by operating the loading / unloading device. Then, the loading / unloading device supporting the load is moved in the work space and positioned in the cargo handling area.

When a large amount of cargo is unloaded and transported by truck, a group of loads to be unloaded is collected on one fixed shelf. That is, when a work space is formed on the front side of the fixed shelf, the load taken out from the opposing movable shelf may be transferred to the target compartment storage space of one of the fixed shelves. After taking out the load from the fixed shelf or the moving shelf by using the device, the device is once taken out to the cargo handling area, enters the working space formed on the front side of one of the fixed shelves, and then serves as the fixed shelf. It is handed over to the compartment storage space.

In this way, a group of goods to be delivered can be collected on one fixed shelf and stored. This storage operation is performed, for example, by setting a list of deliveries the next day in the central control device. It can be performed efficiently by unmanned operation at night. In addition, loading of the truck to the truck that arrived is performed by using a forklift from the surface opposite to the work space forming surface of this fixed shelf, taking out the load of the intended compartment storage space, and loading it into the truck.
The loading / unloading device can be performed quickly without being affected by the intended loading / unloading operation. And according to the configuration of the second invention,
The access device moves the girder with the rail support.
Can be moved within the workspace,
Can be moved inside the cargo handling area by the support guide of the ship.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the shelf equipment according to the present invention will be described below with reference to FIGS.

Reference numerals 1A and 1B denote a pair of front and rear fixed shelves, and a plurality of movable shelves 2 which are reciprocally movable in the front-rear direction between the fixed shelves 1A and 1B. Each shelf 1
A, 1B, and 2 have a plurality of compartments 3 in the vertical and horizontal directions. Each of the moving shelves 2 has two flanged wheels 5 in the front-rear direction on the left and right side lower frames 4, respectively, and a pair of left and right middle lower frames 6 located inside are divided into two in the front-rear direction, Each divided frame has a pair of front and rear brimless wheels 7. The moving shelf 2 has wheels 5, 7 on rails 8, 9 laid on the floor side.
And the motors (traveling driving devices) 10 mounted thereon are connected to the brimless wheels 7 in an interlocking manner, so that the motors 10 can be reciprocated individually on a fixed path 11 in the front-rear direction.

Here, the installation intervals of the fixed shelves 1A and 1B are 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. Fixed shelf 1
The photoelectric switch 12 or the reflection plate 13 is also attached to the corresponding position.

One of the fixed shelves 1A and 1B is configured so that the load 21 can be loaded and unloaded from the surface 1a opposite to the work space forming surface. That is, surface 1
The side a is released without using a brace or the like like the work space forming surface side, so that the forklift 15 can load and unload the load 21 from the outside of the surface 1a to the target compartment storage space 3. .

A loading place 20 is formed outside one of the shelves 1A, 1B and 2 in the left-right direction. At a position outside one end of the fixed shelves 1A, 1B and facing the cargo handling area 20, a load receiving table 22 capable of transferring a load 21 to and from a loading / unloading device (described later) is fixed on the floor. It is arranged by that.

A crane rail 30 in the left and right direction is disposed above the fixed shelves 1A and 1B via fixing members 31, respectively. It extends upward and the other end extends outward from the other end surfaces of the fixed shelves 1A and 1B by a set distance L. The girder 33 supported and guided by the two crane rails 30 via the wheel body 32 is moved between the shelves 1A, 1B and 2 and the upper part of the cargo handling place 20 by forward / reverse driving of the traveling drive unit 34 mounted on the girder 33. It can run in the left and right directions.

The insertion / removal device 35 is supported and guided in a suspended manner by the guide portion 33a of the girder 33 and is movable in the front-rear direction.
Is provided. The main body of this access device 35 is
Upper frame 37 supported and guided to wheel 33a via wheel 36
In addition, the front and rear surfaces are formed in an open frame shape by a post 38 which is vertically provided from both left and right ends of the upper frame 37 and a lower frame 39 which connects between lower portions of the post 38. The length in the front-rear direction is set to be slightly shorter than the length of the work space S, so that the loading / unloading device 35 is movable in the work space S in the left-right direction.

On the upper frame 37 of the loading / unloading device 35, a lateral action device 40 interlocking with the wheel 32 is mounted. A carriage 42 is provided between the two posts 38 so as to be able to move up and down by the operation of an elevating and lowering device 41 arranged on the upper frame 37. ) Accessible 44
Is provided.

When the girder 33 supported and guided by the crane rail 30 travels to one end side, the loading / unloading device is moved.
All of 35 is located at the unloading area 20 and the cargo is
21 can be delivered, and the girder 33 runs to the other end, so that a part of the upper frame 37 and the other post 38 and the like enter the installation space 45, and are shorter than the girder 33 in the left-right direction. The shelves 1A, 1
B, 2 can be opposed to the compartment storage space 3 located at the other end.

When the other end of the crane rail 30 in the length direction extends outward by a set distance L, a dead space is formed outside the other end of the shelves 1A, 1B, 2 and the dead space is set up. On the floor side as the space 45, the control devices 46 of the respective moving shelves 2 are arranged.
Here, the control device 46 sends a branch cable to the corresponding moving shelf 2.
In this case, the control device 46 and the branch cable 47 are arranged and formed so as to be within the movable range when the movable shelf 2 is moved to either position. Further, adjacent control devices 46 are mutually connected by a sub-cable 48 disposed on the floor side. And installation space
45, a centralized control device 49 faces one fixed shelf 1A.
Are arranged, and the central control device 49 is connected to the adjacent control device 46.
Are connected via a main cable 50. Each of the cables 47, 48, and 50 transmits and receives signals and supplies power.

The traveling of the girder 33 and the movement of the loading / unloading device 35 are performed by a conventional overhead crane control method, and the elevating movement of the carriage 42 and the moving of the loading / unloading tool 44 are controlled by a conventional automatic warehouse crane control method. Each is suitably controlled.

Next, the operation of the above embodiment will be described. When the goods 21 are stored, first, the goods 21 are delivered to the empty receiving table 22 by a forklift or the like. Before and after this, crane rail 30
The girder 33 is caused to travel above the cargo handling place 20 by the support guide on one end side, and the empty loading / unloading device 35 is positioned in the cargo handling place 20. Next, the empty movement device 35 is moved in the front-rear direction by the support of the guide portion 33a by the operation of the lateral action device 40, and is stopped at a position close to the load receiving table 22. 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 21 on the load receiving table 22 is moved.
Is received by the loading / unloading device 35.

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 49 to the main cable 50 or the sub-cable.
This control device is given to a target control device 46 through 48.
An instruction signal from 46 is transferred to the moving shelf 2 via the branch cable 47.
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 thus formed, the actual putting-in / out device 35 is moved by the operation of the lateral action device 40.
It is moved in the front-rear direction by the support guide of the guide portion 33a and positioned outside the end of the work space S. Next, the girder 33 is caused to travel by the traveling drive device 34, and the loading / unloading device 35 is moved in the work space S. And access device 35
In a state where the carriage 42 is stopped facing the front of the compartment storage space 3 for the purpose of the above, the combination operation of the raising and lowering movement of the carriage 42 and the reciprocating movement of the insertion / removal tool 44 is performed as described above. The load 21 can be stored in the storage space 3.

When unloading the load 21 to the load receiving table 22, the empty loading / unloading device 35 located outside the end of the work space S is moved in the work space S in the same manner as described above. Then, the load 21 is removed by facing the front of the intended compartment storage space 3 and stopping it. Then, the loading / unloading device 35 supporting the load 21 is moved in the work space S and stopped at the cargo handling place 20. The loading / unloading device 35 that has come out to the loading / unloading place 20 in this way moves in the loading / unloading place 20 in the front-rear direction and stops at a position close to the load receiving table 22. 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 21 on the loading / unloading device 35 is
You can leave the warehouse by passing it over 22.

When a large number of loads 21 are to be unloaded and transported by truck, a group of loads 21 to be unloaded is collected on one fixed shelf 1A. That is, when the work space S is formed on the front side of the fixed shelf 1A, the load 21 taken out from the opposing movable shelf 2 may be transferred to the target compartment storage space 3 of the fixed shelf 1A. The loading / unloading device 35 is not moved in the cargo handling place 20. In addition, the loading / unloading device 35 that takes out the load 21 from the fixed shelf 1B or the movable shelf 2 using the work space S other than the above-mentioned space temporarily
After being moved in the cargo handling place 20 and entering the work space S formed on the front side of the fixed shelf 1A, it is transferred to the intended compartment storage space 3 of the fixed shelf 1A.

In this way, a group of loads 21 to be delivered to one fixed shelf 1A is stored. The loaded cargo 21 is loaded onto the arriving truck by operating the forklift 15 from the surface 1a of the fixed shelf 1A on the side opposite to the work space forming surface to take out the desired cargo 21 from the compartment storage space 3 to the truck. It can be done by loading.

The transfer of the storage load 21 to one fixed shelf 1A is performed when the load 21 is not being transferred between the fixed shelves 1A and 1B or the movable shelf 2 and the load receiving table 22. In this case, by setting a list of the next day's delivery in the central control device 49, the storage operation can be efficiently performed by unmanned operation at night, for example.

On one fixed shelf 1A, the compartment storage space 3 not used for storage for retrieval and the compartment storage space 3 when mass retrieval is not performed are used for normal load storage. Note that the other fixed shelf 1B may also be used as a storage for outgoing shipment so that loading to a truck can be performed from both sides.

FIG. 5 shows a second embodiment of the present invention. That is, the crane rail 30 is disposed along the fixed path 11, and therefore, by moving the girder 33 along the fixed path 11, the loading / unloading device 35 can be moved at the unloading place 20, and the guide section 33a Can be moved in the work space S by the guidance of (1).

FIG. 6 shows a third embodiment of the present invention. That is, the shelves 1A, 1B, 2
Inside, a load receiving table 22 capable of transferring the load 21 to and from the loading / unloading device 35 is movably disposed. The loading table 22 is of a self-propelled type, is supported and guided via a wheel 24 on a rail 23 laid on the floor along the front-rear direction, and is configured to be reciprocally movable on a moving path 25 along the left-right direction. The upper part has a load support 26 erected from the square. The load receiving table 22 is movable between a position outside the fixed shelves 1A and 1B and a position close to the loading / unloading device 35, and the movement is performed by a conventional self-propelled carriage control method.

In the above embodiment, an overhead crane type is shown, but this may be a floor crane type in which the girder 33 is a gate type. Further, the receiving table 22 may have a configuration in which one receiving table is provided. Furthermore, a pair of fixed shelves 1A and 1B are shown, but this is one fixed shelf 1
Only A may be used. The number of the moving shelves 2 may be one.

According to the first aspect of the present invention, the loading / unloading device is moved in the working space and the loading / unloading device is operated to automatically load and unload the cargo into and out of the target compartment. be able to. The operation of the loading / unloading device in the loading / unloading area enables automatic transfer of the load to / from the load receiving table, for example. Therefore, the loading / unloading device does not rotate in the loading / unloading area. Can be quickly and accurately performed, and can always enter and exit smoothly.

When a large amount of cargo is unloaded and transported by truck, a group of loads to be unloaded can be collected and stored on one fixed 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, when loading the truck to the truck, the forklift can be used to operate the forklift from the side opposite to the work space forming surface of the fixed shelf, so that the load in the target compartment can be taken out and loaded into the truck. It can be performed quickly without being affected by the intended loading / unloading operation by the loading / unloading device.

As described above, according to the first aspect of the present invention, the handling outside the group of shelves can be performed quickly and accurately by a simple structure and control using a single loading / unloading device, and always smoothly. In addition to being able to safely enter and leave the warehouse, it is possible to store a large amount of loads and to quickly unload the stored load group without installing another shelf. So
According to the configuration of the second aspect of the present invention,
Running the girder with the support of the
Can be moved within
It can be moved inside the cargo handling area, and moves stably in the direction of the charge.
be able to.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention and is a perspective view of shelf equipment.

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

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

FIG. 4 is a side view of a main part of the shelf equipment.

FIG. 5 is a perspective view of a shelf facility according to a second embodiment of the present invention.

FIG. 6 is a plan view of the shelf equipment according to the third embodiment of the present invention.

[Explanation of symbols]

 1A, 1B Fixed shelf 1a Opposite side 2 Moving shelf 3 Sectional storage space 11 Constant path 15 Forklift 20 Loading area 21 Load 22 Loading cradle 25 Moving path 30 Crane rail 33 Girder 33a Guide section 35 Loading / unloading device 42 Carriage 44 Loading / unloading tool S Work space

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-57-42403 (JP, A) JP-A-60-171901 (JP, A) Fully open Showa 52-136385 (JP, U) Really open Showa 63- 197211 (JP, U) Jikken 54-40621 (JP, Y2) (58) Field surveyed (Int. Cl. ⁶ , DB name) B65G 1/00-1/20

Claims (2)

(57) [Claims] 1. A fixed shelf, and a movable shelf which is reciprocally movable in a front-rear direction which is close to and away from the fixed shelf. Each shelf has a plurality of compartments in a vertical direction and a horizontal direction. A work space can be formed in front of the front,
In rack system forming the the handling field outward in the lateral direction of the shelf group, a moving freely access device provided on the left and right directions in front Symbol working space and in the longitudinal direction in the material handling venue, at least one fixed shelf Is a shelf facility characterized in that a load can be freely loaded and unloaded from a surface opposite to a work space forming surface side. 2. A pair of rails is provided outside the end of the shelf group.
Girder that can run freely supported by these rails
The loading and unloading device is supported and guided by the girder,
Girder that is movable in the front-rear direction in the cargo handling area
Can be moved left and right within the work space by traveling
The shelf equipment according to claim 1, wherein: