JPH0215445B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a three-dimensional automatic warehouse in which stored items are automatically stored in one of a plurality of storages using a stacker crane. This invention relates to a storage object fixing device for a storage warehouse to prevent stored objects from falling over.

[Conventional technology]

2. Description of the Related Art In general, a three-dimensional automatic warehouse as shown in FIGS. 15 and 16 is known as a storage warehouse that can store a large number of items in a small space.

The three-dimensional automatic warehouse shown in these figures is a three-dimensional warehouse 2 in which a plurality of storage warehouses 1, 1... are installed in multiple rows and multiple stages.
, Statzker Crane 3 and Traverser 4
The main components are:

This multi-level automated warehouse is constructed by moving the stacker crane 3 along the multi-level warehouse 2, raising and lowering the loading platform 5 of the stacker crane 3, and extending and contracting a slide fork (not shown). It is configured so that stored items can be taken in and out between the loaded loading tables 6, 6 and the storage warehouses 1, 1, . . . , and everything is automatically operated. The traverser 4 moves the stacker crane 3 in the directions of arrows A and B in the figure.

By the way, storage 1 in the above-mentioned multi-level automatic warehouse
is constructed of a box-shaped frame with an open front, and is designed to store items 8 placed on the top surface of the bottom plate 7. Therefore, if you store items that have casters attached to the bottom for transport or items that are vertically long and have poor stability in the storage compartment 1, there is a risk that the items will slip or fall. be.

Therefore, a storage object fixing device as shown in U.S. Pat.

As shown in FIGS. 17 and 18, the storage object fixing device according to the above proposal includes two stoppers 11, 11 at the entrances of storage compartments 10, 10, which are fixedly installed on both sides of the trolley passage 9, respectively. The rollers 1 are removably attached, and are provided on the upper surface of the moving cart 12 and each storage 10, 10...
3, 13... Slide the top and put the stored items 14 into the storage 10
By attaching the stoppers 11, 11 to the entrance of the storage 10, the stored items 1 can be removed.
This is to prevent No. 4 from slipping down.

In particular, the storage object fixing device is provided with a safety device to prevent an operator from accidentally removing the stopper 11 when the storage object 14 is not being put in or taken out. That is, a cylindrical case 15 is provided on the side of one of the stoppers 11. Inside this case 15, there is a slider 16
is provided so as to be freely movable in the longitudinal direction. Therefore, this slider 16 is biased in the direction of arrow C in the figure. An engagement piece 17 is fixed to the slider 16 so as to protrude toward the stopper 11 side. On the other hand, a recess 11a that engages with the engagement piece 17 is formed at the lower end of the stopper 11. Further, a shaft 18 is supported on the side of the movable cart 12 so as to be movable in the longitudinal direction. This axis 1
8 is used to position the movable cart 12 by inserting its tip into the slider 16, and also to move the slider 16 in the direction of arrow D in the figure to release the engagement between the stopper 11 and the slider 16. It is something.

In the storage object fixing device having the above configuration,
This not only prevents the stored items from falling off, but also prevents the stopper 11 from being removed except when loading and unloading the stored items 14.
1 is not removed, and it is possible to more effectively prevent stored items from falling.

[Problem that the invention seeks to solve]

By the way, in the above storage object fixing device, a stopper is removably placed at the entrance of a storage area arranged flat on the floor in a factory, and this is configured to be attached and detached manually. It cannot be installed and used in a multi-level automatic warehouse where items are automatically loaded and unloaded, and it is also impossible to prevent stored items that are long and unstable from falling over. Moreover, if the stored item is, for example, a radioactive material, it must never be overturned, so even if the stored item is vertical and unstable, it can be fixed securely in the storage compartment. It would seem good to provide a storage object fixing device that can be installed and used in a three-dimensional automatic warehouse.

However, the reality is that such a device is not currently available.

This invention was made in view of the above-mentioned circumstances, and can be installed and used in a multi-level automated warehouse. Moreover, it can handle stored items of any shape, and can securely store stored items within the storage warehouse. It is an object of the present invention to provide a storage object fixing device for a storage warehouse that can be fixed.

[Means for solving problems]

The storage object fixing device of the present invention includes a mounting plate that is provided on the bottom side of the storage cabinet so as to be movable in the vertical direction and that is biased upward by an elastic member. The housing is connected to the housing so as to be able to move up and down, and is rotatably provided within the housing so as to be located above the placement plate, so that the front end side of the housing opening is opened from the rear end side. a pair of rotating arms biased by an elastic member, the storage and the rotating arms having a pair of rotating arms;
The apparatus is constructed by providing a stopper mechanism that engages with each other to prevent rotation of the rotary arm when the stored item is placed on the placing plate and the placing plate is lowered.

〔Example〕

1 to 6 are diagrams showing one embodiment of the present invention.

The storage object fixing device shown in these figures is
As an example, it is for fixing a vertically long cylindrical stored item in a storage.

In FIG. 1, reference numeral A is a three-dimensional automated warehouse, and reference numeral 19 is a frame that constitutes storage B. In FIG. This frame 19 has a box shape with an open front, and has short supports 21, 21, . . . for placing stored items 20, long supports 22, 22 is fixed. Further, on the left side inside the frame 19, a plurality of crosspiece members 23, 23... with the longitudinal direction facing the depth direction are provided in a line with vertical separation from each other. On the other hand, frame 1
Similarly, there are a plurality of crosspiece members 23, 23 on the inside right side of 9.
...is being made. Then, the crosspiece members 2 facing each other among the crosspiece members 23, 23... on both the left and right sides.
A girder member 24 is installed between 3 and 23.
In addition, holes 25 whose axes coincide with each other in the vertical direction are formed in each of the crosspiece members 23, 23, . . These bearings 2
6 is provided with a shaft body 28 whose one end is connected to the upper part of the frame body 19 via a spring (elastic member) 27 and is movable in the vertical direction. And each shaft body 28,
Two rotary arms 29, 29 are loosely fitted into the intermediate portion of 28, spaced apart from each other in the vertical direction, and a fixture 30 is attached to sandwich these rotary arms 29, 29. Based on this configuration, each rotating arm 29, 29 rotates with respect to the shaft body 28 in the directions of arrows P and Q in FIG. 2, and can move up and down in the same manner as the shaft body 28.

The rotating arm 29, as shown in FIG.
It has a circular arc shape, and the radius of curvature of the inner circumference is formed to be slightly larger than the radius of the stored item 20, so that when the stored item 20 is stored and fixed, the inner peripheral surface and the outer peripheral surface of the stored item 20 are There is a slight gap between them. This rotating arm 29
The distal end (the end on the opening side of storage B) is connected to the frame 19 via a spring (elastic member) 31, and is biased in the rotational direction of arrow P. In addition, below the tips of the rotating arms 29, 29...
A pin 32 is fixed. On the other hand, a stopper 33 that comes into contact with a pin 32 is fixed to the upper surface of the crosspiece member 23 located below each rotary arm 29, 29... to prevent the rotary arm 29 from rotating more than a predetermined amount in the direction of arrow P. It's summery. Further, a taper pin 34 is provided on the lower side of the other end of the rotating arm 29.
is fixed. On the other hand, a pin receiver 35 that fits into the taper pin 34 is fixed to the upper surface of the crosspiece member 23 located below the taper pin 34 .

Further, a mounting plate 36 is fixed to the lower end of the shaft 28 with one end protruding toward the center of the storage B. The mounting plate 36 has the stored items 2 on its upper surface.
0 is placed thereon, and when this is lowered, the rotary arms 29, 29 are lowered together with the shaft body 28. Also, on both sides of the mounting plate 36 and on the upper surface of the short support 21, stoppers 37 are provided for preventing rotation of the mounting plate 36.
is fixed.

Based on the above configuration, the rotary arm 29 is rotated in the direction of arrow Q against the force of the spring 31 and lowered against the force of the spring 27, so that the taper pin 34 is fitted into the pin receiver 35. The rotation is thereby prevented.

In the stored object fixing device for a storage warehouse having the above configuration, in order to fix the stored object 20, the stored object 20 is first placed on the fork 38 of a stacker crane (not shown), and then The stored item 20 is held at a position in front of the storage plate 36 such that the bottom surface of the stored item 20 is higher than the top surface of the mounting plate 36. Next, the fork 38 is moved to the storage B side. Then, the side surface of the stored item 14 comes into contact with the rear end 29a of the rotary arm 29, and the rotary arm 29 rotates in the direction of arrow Q against the force of the spring 31. Furthermore, as shown in FIG.
0a is moved until it comes into contact with the girder member 24. In this state, the stored object 20 has its axis aligned with the center of curvature of each rotary arm 29, 29, . . . and its side surface is in contact with the inner circumferential surface 29a of the rotary arm 29, as shown in FIG. Next, Figures 3 and 5
As shown in the figure, the forks 38 are lowered to place the stored items 20 on the respective supports 21, 21...22, 22. Then, the mounting plates 36, 36... are loaded with the stored items 2.
0, the rotating arms 29, 29... descend accordingly, and the taper pins 34, 34
... are inserted into the pin receivers 35, 35.... As a result, the rotary arms 29, 29, . . . become unable to rotate in either the direction of arrow P or the direction of arrow Q, and the stored item 20 is fixed.

According to the stored object fixing device for a storage warehouse of the above embodiment, there is no need to perform any special work to fix the stored objects 20, and the stored objects 20 can be automatically fixed. In addition to being able to be installed and used in storage compartment B, even unstable vertical cylindrical items can be securely fixed in storage compartment B, preventing accidents such as overturning or falling of stored items. It can be completely prevented.

Furthermore, according to the above embodiment, the stored items 20 can be reliably positioned in the storage B, which is particularly effective when storing radioactive materials where the distance between adjacent stored items is strictly regulated. be. Furthermore, since the structure is simple and does not use actuators using hydraulic pressure, pneumatic pressure, etc., there is no possibility of failure, and the risk of workers being exposed to radiation due to maintenance and inspection can be completely eliminated.

FIGS. 7 to 12 are diagrams showing still other embodiments of the present invention, respectively.

In the embodiment shown in these figures, the stored items have various polygonal column shapes, and each stored item 39, 40, 4
1 shows the shape of the rotating arms 42, 43...47 when a predetermined mounting posture is provided for the
This provides the same effects as the above embodiment.

Moreover, FIG. 13 is a diagram showing an embodiment in which the stored items are cone-shaped.

In the storage object fixing device shown in this figure, the upper rotating arm (rotating arm) 48 and the lower rotating arm (rotating arm) 49 are made to correspond to the cross-sectional shape of the stored object 50, so that the radius of curvature of the inner periphery is different from each other. By rotating the upper and lower rotating arms 48, 48, 49, 49, etc. and lowering them in the same way as in the above embodiment, the taper pin 4 (not shown) is connected to the pin receiver (not shown). ) to prevent the upper and lower rotating arms 48, 48, . . . 49, 49 . . . from rotating and fix the stored items. In addition,
The above embodiment is configured to fix a conical stored object, but as in the embodiments shown in FIGS. 7 to 12, a rotary arm that corresponds to the cross-sectional shape of the stored object is used. For example, a polygonal pyramid-shaped storage object such as a square pyramid or a pentagonal pyramid can be fixed.

Furthermore, FIG. 14 is a diagram showing an embodiment in which the stored items are spherical.

The storage object fixing device shown in this figure consists of upper rotating arms (rotating arms) 52, 52... that contact the upper end of the stored object 51 and lower rotating arms (rotating arm) that contact the lower end of the stored object 51. 53,53
..., and the lower rotating arm 53 not only fixes the stored items but also serves as a mounting plate.
That is, as in the above embodiment, by moving the stored items 51 into the storage, each rotating arm 5
2, 52..., 53, 53... rotates and lowers the stored item 51, thereby lowering the lower rotating arm 5.
3, 53... are pushed down by the stored item 51,
Along with this, the upper rotating arms 52, 52... are also lowered, and the taper pin (not shown) is inserted into the pin receiver (not shown).

In addition, the reference numeral 54 in the figure is a support stand on which the stored items 51 are placed.

In the above embodiment, the upper rotating arm 52 is brought into contact with the upper end of the stored item 51, and the lower rotating arm 53 is brought into contact with the lower end of the stored item 51, so that the stored item 51 can be moved up, down, left or right in its fixed state. It can be fixed so that it cannot move in any direction.

〔Effect of the invention〕

As explained above, the storage object fixing device for a storage of the present invention includes a mounting plate that is provided on the bottom side of the storage so as to be movable in the vertical direction and is urged upward by an elastic member; It is connected to move up and down in the same manner as this mounting plate, and is rotatably provided in the storage so as to be located above the mounting plate, so that the front end side of the storage is the rear side. a pair of rotary arms urged by an elastic member to open from the end thereof, and the stored items are placed on the placing plate in the storage and the rotary arms. The structure is equipped with a stopper mechanism that engages with each other to prevent rotation of the rotating arm when the plates are lowered, so it can be installed and used in a multi-level automated warehouse, and it can be used for stored items of any shape. This provides the advantage of being able to securely secure stored items within the storage space.

[Brief explanation of drawings]

1 to 6 are diagrams showing one embodiment of the present invention, in which FIG. 1 is a front sectional view showing a storage object fixing device, and FIG. 2 is a sectional view taken along the - line of FIG. 1. 3 is a view taken along the - line in FIG. 1, FIG. 4 is a sectional view taken along the - line in FIG. 1, and FIG. 5 is a sectional view taken along the - line in FIG. A front sectional view showing the fixed state, Fig. 6 is the − of Fig. 5.
Linear cross-sectional views and FIGS. 7 to 14 are illustrations showing still other embodiments of the present invention, and FIGS. 7 to 12 show various polygonal column-shaped stored objects and their mounting postures. FIG. 13 is a front cross-sectional view showing a storage object fixing device for a case where the storage object is conical, and FIG.
The figure is a front sectional view showing a stored object fixing device for a storage warehouse when the stored objects are spherical, and FIGS. 15 and 16 are views showing a three-dimensional automated warehouse. FIG. 16 is a view taken along the line X--X in FIG. 15, FIGS. 17 and 18 are views showing a conventional storage object fixing device, and FIG. 17 is a plan view thereof.
FIG. 18 is an enlarged view of the main part of FIG. 17 in the X direction. 1...Storage, 8...Storage, 10...Storage, 14
...Stored item, 20...Stored item, 27...Spring (elastic member), 29...Rotating arm, 31...Spring (elastic member), 36...Place plate, 39...Stored item, 40...Stored item, 41...Stored item , 42... Rotating arm, 43... Rotating arm, 44... Rotating arm, 45... Rotating arm, 46... Rotating arm, 47... Rotating arm, 48
...Upper rotating arm (rotating arm), 49...Lower rotating arm (rotating arm), 50...Storage items, 51...
Storage items, 52... Upper rotating arm (rotating arm),
53...Lower rotating arm.

Claims (1)

[Claims] 1 A fixing device for fixing stored items inserted from the front side of the storage, which is provided on the bottom side of the storage and is movable in the vertical direction,
A mounting plate biased upwardly by an elastic member is connected to the mounting plate so as to move up and down at the same time as the mounting plate, and is located in the storage above the mounting plate. a pair of rotary arms that are rotatably provided and urged by an elastic member so that the front end side of the storage compartment opens more than the rear end side, the storage compartment and the rotation arm, A storage item for a storage cabinet, characterized in that a stopper mechanism is provided that engages with each other to prevent rotation of the rotary arm when the storage item is placed on the placement plate and the placement plate is lowered. Fixation device.