JPH08310616A - Storage rack unit - Google Patents

Abstract

PURPOSE: To prevent a pallet from dropping even if vibration such as earthquake occurs when the pallet is stored in respective racks. CONSTITUTION: In an ordinary case, a pallet P is placed on respective racks 7 stably by the lower surface of a pallet side stopper block 45 mounted onto the pallet P and a wheel 43. If vertical and horizontal vibration occurs due to earthquake magnitude, the pallet P moves, and a pallet side stopper block 45 mounted onto the pallet P is brought into contact with a rack side stopper block 47 mounted onto the rack 7, thus stopping the pallet P. Even if the pallet goes over the rack side stopper block 47 mounted in proximity to it, the pallet side stopper block 45 enters between the rack side stopper blocks 47 mounted is parallel, which makes it difficult for the pallet P to move from the rack 7 which stores it. It is thus possible to prevent the pallet from dropping.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage rack for storing, for example, pallets loaded with works.

[0002]

2. Description of the Related Art Conventionally, in storage shelves such as automatic warehouses,
A pallet with work loaded on each shelf is supported and stored. As shown in FIGS. 8 and 9, the pallet P loaded with the works W does not drop from the shelves 101 and is in the loading / unloading direction (the horizontal direction in FIGS. 8 and 9) so that the loading / unloading is easy. 2), the wheel 103 is provided on one side and the stopper block 105 is provided on the other side.

On the other hand, a stopper block 107 is provided on each of the shelves 101 so as to face the stopper block 105, and the stopper block 105 is engaged with the stopper block 107. A plurality of hooks 109 are provided on the left side of the pallet P in FIGS. 8 and 9.

When loading or unloading the pallet P, the
As shown in FIG. 0, the hook 113 provided on the traverser 111 is provided on the pallet P.
To be engaged. Then, the pallet P can be moved on the shelf 101 by slightly lifting the stopper block 105 side provided on the pallet P by the traverser 111 and separating the stopper block 105 from the stopper block 107 provided on the shelf 101. . Reference numeral 115 is an elevator, and the elevator 115 is provided with the traverser 111 so as to be movable in the left-right direction.

[0005]

By the way, on each of the shelves 101 of the storage shelves, one of the pallets P (left side in FIGS. 8 and 9) of the pallet P has a stopper block 105 provided on each of the shelves 101. The pallet P is not moved in a normal state. However, if vertical vibrations such as an earthquake occur, the stopper block 105 provided on the pallet P may get over the stopper block 107 provided on the shelf 101, and the pallet P may drop to the ground.

An object of the present invention is to provide a storage shelf which is designed so as to prevent the pallet from falling even if vibrations such as an earthquake occur when the pallets are stored on each shelf.

[0007]

In order to achieve the above object, according to a first aspect of the present invention, in a storage rack of the present invention, a plurality of shelves for storing pallets are provided with shelf-side stopper blocks on the pallet loading / unloading side upper surfaces in the pallet loading / unloading direction. A plurality of pallet-side stopper blocks that are provided in parallel are provided on the lower surface of the pallet placed on the upper surface of the shelf and on the side surface of the shelf-side stopper block that can be locked when the pallet is moved or can be fitted between the shelf-side stopper blocks. It is characterized by

According to a second aspect of the present invention, in the storage rack of the present invention, a plurality of shelves for storing the pallets are provided with shelf-side stopper blocks on the upper surface of the entrance / exit side, and the side surfaces of the shelf-side stopper blocks are locked when the pallets are moved. Alternatively, it is characterized in that a plurality of pallet side stopper blocks that can be fitted into the shelf side stopper blocks are arranged in parallel on the pallet inlet / outlet side and are provided on the lower surface of the pallet.

Further, the storage rack of the present invention according to claim 3 is provided with a shelf-side stopper block in which a plurality of uneven portions having chamfered portions are formed on the upper surface of the pallet loading / unloading side of the plurality of racks for storing pallets. At the same time, on the lower surface of the pallet placed on the shelf, a plurality of concave-convex portions having a chamfered portion that is engaged with the concave-convex portion or that is locked when the pallet is moved are formed on the side surface of the shelf-side stopper block. It is characterized in that a pallet side stopper block is provided.

Still further, in the storage rack of the present invention according to claim 4, a shelf-side stopper block for stopping the movement of the wheels provided on the loading / unloading side of the pallet on the upper surface of the loading / unloading side of the pallet of the plurality of shelves for storing the pallet. Is provided at the front and rear of the wheel, and a pallet fall prevention stopper is provided on the lower surface of the pallet at a position near the center of the pallet close to the shelf-side stopper block to lock the pallet-side stopper block when the pallet is moved. It is characterized by.

[0011]

With the storage rack of the present invention according to claim 1 as described above, when the pallet moves in the vertical and horizontal directions due to an earthquake or the like, the pallet side provided on the lower surface of the pallet to the shelf side stopper block provided on the shelf The stopper block contacts. Moreover, since a plurality of shelf-side stopper blocks are provided in parallel, even if the shelf-side stopper blocks near the pallet-side stopper blocks are crossed over, the shelves-side stopper blocks are prevented from falling and falling.

Further, by using the storage shelf of the invention according to claim 2, when the pallet moves in the vertical and horizontal directions due to an earthquake or the like, the pallet side stopper block provided on the lower surface of the pallet and the pallet side stopper block provided on the shelf Stops contacting. Further, since a plurality of pallet side stopper blocks are provided in parallel, even if a pallet side stopper block close to the shelf stopper block gets over, it is prevented from entering between the pallet side stopper blocks.

Further, according to the storage shelf of the present invention according to claim 3, when the pallet moves in the vertical and horizontal directions due to an earthquake or the like, the pallet side stopper block provided on the lower surface of the pallet with the shelf side stopper block provided on the shelf is provided. The block gets over. However, the shelf-side stopper block has an uneven part with a chamfer, and the uneven part with a chamfer formed on the pallet-side stopper block fits into this uneven part to prevent falling. To be done.

Furthermore, with the storage rack of the present invention according to claim 4, when the pallet moves in the vertical and horizontal directions due to an earthquake or the like, the wheels provided on the pallet pass over the rack-side stopper blocks provided on the rack. However, the pallet drop prevention stopper provided near the center of the lower surface of the pallet comes into contact with the shelf-side stopper block to prevent the pallet from falling.

[0015]

Embodiments of the present invention will be described in detail below with reference to the drawings.

Referring to FIG. 7, a storage rack 1 such as an automatic warehouse is provided with a frame 3 which is a frame, and the frame 3 includes four side frames 5A, 5B, which are provided upright.
An upper frame 5E is connected to the upper surfaces of the side frames 5A to 5D and 5C and 5D. Moreover, the side frames 5A, 5B and the side frames 5C, 5D
A plurality of shelves 7 are provided between and in the vertical direction at appropriate intervals.

A loader frame 9 extending rightward in FIG. 7 is provided at the lowermost stage. A pallet P loaded with works W is stored on each of the shelves 7 and the loader frame 9. Since the structure of the pallet P is the same as that described above, the same parts are designated by the same reference numerals, and duplicate description will be omitted.

On the left side of the side frames 5A and 5B in FIG. 7, there is provided an elevator 11 which is vertically movable. A self-propelled traverser 15 having a hook 13 is provided on the elevator 11 so as to be movable in the left-right direction in FIG. Since the moving mechanism of the traverser 15 is already known, detailed description of the structure is omitted.

Sprockets 17 and 19 are rotatably provided on the upper and lower portions of the side frames 5A and 5B, respectively, and a chain 21 is wound around the sprocket 17 and the sprocket 19. Both ends of the chain 21 are attached to the rear portion of the elevator 11.

A drive motor 25 is provided on the upper frame 5E via a motor bracket 23, and a drive sprocket 27 is rotatably mounted on the output shaft of the drive motor 25. A chain 31 is wound around the drive sprocket 27 and the sprocket 29 mounted on the shaft of the sprocket 17.

When the drive motor 25 is driven by the above structure, the output shaft, the drive sprocket 27, and the chain 31 are driven.
The sprocket 29 is rotated via. The sprocket 17 is rotated by the rotation of the sprocket 29, and the elevator 11 attached to the chain 21 is vertically moved.

A vertically movable lifter 33 is provided below the loader frame 9 between the side frames 5A and 5B and the side frames 5C and 5D, and a lower portion of the loader frame 9 is moved in the left-right direction. A movable loader 35 is provided. The loader 35 is provided with a vertically movable suction frame 37, and the suction frame 37 is provided with a plurality of suction pads 39.

With the above structure, the hooks 109 of the pallet P stored on the shelves 7 and the loader frame 9 move up and down on the side surfaces of the side frames 5A and 5B.
When the traverser 15 provided on the traverse 1 is moved to the right in FIG. 7 and the elevator 11 is slightly raised, it engages with the hook 13 provided on the traverser 15. By moving the traverser 15 to the left, the pallets P loaded with the works W are transferred from the shelves 7 and the loader frame 9 onto the elevator 11.

After the elevator 11 is lowered and stopped at the lowermost position, the pallet P on the elevator 11 is transferred from the elevator 11 onto the lifter 33 by the movement of the traverser 15. The work W loaded on the pallet P transferred on the lifter 33.
Of the turret punch press or laser processing machine by lowering the suction frame 37 and adsorbing the suction pads 39 one by one from the top and moving the loader 35 to the right along the loader frame 9. It will be transported to the plate material processing machine.

The side frame 5 in the storage rack 1
Of the four side surfaces A to 5D, three surfaces on which the elevator 11 does not move vertically are covered with a cover or the like so that the pallet P does not go out. Open for.

As shown in FIG. 1, the storage rack 1 is provided with a pallet drop prevention device 41. The pallet drop prevention device 41 is provided for each of the shelves 7.

The pallets P loaded with the works W are provided with wheels 43 on one side in the loading / unloading direction (horizontal direction in FIG. 1) so that they can be easily loaded / unloaded from each shelf 7, and a pallet fall prevention device 41 is mounted on the other side. One pallet-side stopper block 45, which is a constituent member, is provided so as to hang down.

On the other hand, on the upper surface of the shelf 7, a pallet side stopper block 45 is provided so as to be suspended from the pallet P.
A plurality of shelf-side stopper blocks 47 are provided in parallel so as to be locked or fitted in. The shelf-side stopper block 47 is provided at a position where it does not contact the wheels 43 when the wheels 43 move. Since the structure of the pallet P is the same as that described above, the same members are designated by the same reference numerals and duplicate description will be omitted. That is, the pallet P is provided with the hook 109, and the hook 109 is provided.
The hook 13 provided on the traverser 15 is engaged with the pallet P to move the pallet P in and out.

With the above structure, in the normal state, the pallet P is placed on each shelf 7 in the state shown by the solid line in FIG. That is, the pallet P is stably placed on each shelf 7 by the lower surface of the pallet side stopper block 45 provided on the pallet P and the wheels 43.

However, when vertical and horizontal vibrations occur due to an earthquake or the like, the pallet P moves and the pallet side stopper block 45 provided on the pallet P is a pallet side stopper block of the shelf side stopper blocks 47 provided on the shelf 7. It abuts on a shelf-side stopper block 47 provided close to 45. Alternatively, even if the user passes over the shelf-side stopper blocks 47 provided in proximity to each other, the pallet-side stopper blocks 45 enter between the plurality of shelf-side stopper blocks 47, so that the pallet P moves from the shelves 7 in which they are housed. It becomes impossible to prevent falling.

FIG. 2 shows a second embodiment which is another embodiment. The second embodiment is the same as the first embodiment described above.
The difference from the first embodiment is that the stopper block is attached in a different manner, and thus the same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

That is, one pallet-side stopper block 47 is provided in the vicinity of the leading end of the pallet P on the shelf 7, and a plurality of pallet P-side stopper blocks 47 are arranged in parallel on the pallet P-side so as to face the shelf-side stopper block 47. A pallet side stopper block 45 is provided so as to hang down.

With the above structure, in the normal state, the pallet P is placed on each shelf 7 in the state shown by the solid line in FIG. That is, the pallets P are stably placed on the shelves 7 by the lower surfaces of the plurality of pallet side stopper blocks 45 provided on the pallet P and the wheels 43.

However, when vertical and horizontal vibrations are generated due to an earthquake or the like, the pallet P moves and the pallet side stopper block 45 provided on the pallet P is closer to the shelf side stopper block 47. The block 45 contacts the shelf-side stopper block 47. Further, even when the pallet P is moved over the shelf-side stopper block 47, the shelf-side stopper block 47 is inserted between the plurality of pallet-side stopper blocks 45 provided in parallel, so that the pallet P cannot be moved and the drop can be prevented. .

FIGS. 3 and 4 show a third embodiment which is another embodiment.
Examples of are shown. The third embodiment is different from the above-described first embodiment in that the shape of the stopper block is different. The same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. To do.

That is, one shelf-side stopper block 49 is provided near the tip of the pallet P on the shelf 7 on the loading / unloading side, and a plurality of uneven portions 51 are formed in this shelf-side stopper block 49, which are convex with the concave portion 51A. Formed by the portion 51B,
A chamfered portion 53 is provided above the convex portion 51B.

On the pallet P side, the pallet side stopper block 5 is provided at a position facing the shelf side stopper block 49.
5 is hung on the lower surface of the pallet P,
The pallet-side stopper block 55 has a plurality of concave and convex portions 57, which are formed by a concave portion 57A and a convex portion 57B, and a chamfered portion 59 is provided below the convex portion 57B. The uneven portion 57 formed on the pallet side stopper block 55 can be inserted into and removed from the uneven portion 51 formed on the shelf side stopper block 49.

In the normal state, the pallet P is placed on each shelf 7 in the state shown by the solid line in FIG. That is, a plurality of uneven portions 57 provided on the pallet P
The stable pallet P is placed on each shelf 7 by the lower surface of the pallet side stopper portion 55 provided with and the wheels 43.

However, when vertical and horizontal vibrations occur due to an earthquake or the like, the pallet P moves and the side surface of the pallet side stopper block 55 provided on the pallet P and the side surface of the shelf side stopper block 49 come into contact with each other. Further, even if the user goes over the shelf-side stopper block 49, the uneven portion 57 provided on the pallet-side stopper block 55 enters the uneven portion 51 provided on the shelf-side stopper block 49, so that the pallet P cannot be moved and is prevented from falling. be able to.

FIGS. 5 and 6 show a fourth embodiment which is another embodiment.
Examples of are shown. The fourth embodiment is different from the above-mentioned first embodiment in that it is an automatic storage in which the material pallet and the back surface pallet can be exchanged at the time of use so that either side of the pallet can be connected to the traverser and moved. Therefore, it is intended to prevent the pallet from falling when the both ends of the pallet are wheels. The same members as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

That is, the wheels 43 are provided on both sides of the pallet P.
Are provided with different rolling trajectories, and the traverser 1 is attached to both ends.
A hook 109 that can be engaged with and disengaged from the hook 13 provided in FIG.

A shelf-side stopper block 61 is provided on the shelf 7 in front of and behind the wheel 43 provided on the loading / unloading side (left side in FIG. 5) of the pallet P. And pallet P
A pallet drop prevention stopper 63 is provided so as to hang from the lower surface of the. This pallet drop prevention stopper 63
The position is provided on the center side of the pallet P with respect to the traverser side wheel 43 by an amount slightly longer than the entire length of the shelf side stopper block 61 in the front-rear direction.

With the above structure, in the normal state, the pallet P is placed on each shelf 7 in the state shown by the solid line in FIG. That is, since the traverser-side wheels 43 provided on the pallet P are inserted between the shelf-side stopper blocks 61, the stable pallet P is placed on each shelf 7 by the wheels 43 provided at the front and rear.

However, when vertical and horizontal vibrations occur due to an earthquake or the like, the wheels 43 on the traverser side provided on the pallet P are provided.
The pallet P is locked by the pallet drop prevention stopper 63 contacting the side surface of the shelf-side stopper block 61 even if the pallet fall-preventing stopper 63 comes over the shelf-side stopper block 61 and lands on the traverser side. Therefore, the pallet P cannot be moved and can be prevented from falling.

The present invention is not limited to the above-mentioned embodiments, but can be implemented in other modes by making appropriate changes.

[0046]

As will be understood from the above description of the embodiments, according to the present invention according to claim 1, when vertical and horizontal vibrations due to an earthquake or the like occur, a plurality of shelves provided in parallel are provided. The pallet is fixed by bringing the pallet side stopper block provided on the lower surface of the pallet into contact with the side stopper block. Further, even if the pallet-side stopper block is moved over the shelf-side stopper block, the pallet-side stopper block falls between the shelf-side stopper blocks and cannot move, so that the pallet can be prevented from falling.

According to the present invention according to claim 2,
When vertical and horizontal vibrations due to an earthquake or the like occur, a plurality of pallet side stopper blocks provided in parallel on the lower surface of the pallet come into contact with the shelf side stopper blocks provided on the shelves to fix the pallets. Further, even if the pallet side stopper block gets over the shelf side stopper block, the pallet side stopper block is fitted between the pallet side stopper blocks so that the pallet cannot be moved, so that the pallet can be prevented from falling.

Furthermore, according to the present invention according to claim 3,
If vertical and horizontal vibrations occur due to an earthquake, etc., the shelf-side stopper block with the multiple chamfers provided with chamfers on the shelf is connected to the chamfers provided on the lower surface of the pallet. Ride on the pallet side stopper block where is formed. Then, since the concave portion formed in the pallet side stopper block is fitted into the convex portion formed in the shelf side stopper block and the pallet becomes immovable, it is possible to prevent the pallet from falling.

Further, according to the present invention according to claim 4, when vertical and horizontal vibrations due to an earthquake or the like occur, the wheels provided on the pallet pass over the shelf-side stopper block provided on the shelf, but near the center of the lower surface of the pallet. Since the pallet drop prevention stopper provided in the above abuts the shelf-side stopper block and the pallet becomes immovable, the pallet can be prevented from falling.

[Brief description of drawings]

FIG. 1 is a side view showing a main part of the present invention and showing a pallet on a shelf provided with a pallet fall prevention device.

FIG. 2 is a side view of the pallet on the shelf provided with the pallet fall prevention device according to the second embodiment of the present invention.

FIG. 3 is a side view of a pallet on a shelf provided with a pallet fall prevention device according to a third embodiment of the present invention.

FIG. 4 is an enlarged side view of an IV arrow portion in FIG.

FIG. 5 is a side view of the pallet on the shelf provided with the pallet fall prevention device according to the fourth embodiment of the present invention.

FIG. 6 is a plan view of FIG.

FIG. 7 is a side view of a storage shelf of an embodiment for carrying out the present invention.

FIG. 8 is a plan view of a pallet stored in each shelf in a conventional storage shelf.

9 is a side view of FIG. 8. FIG.

FIG. 10 is an explanatory view of a conventional operation.

[Explanation of symbols]

 1 Storage Shelf 7 Shelf 43 Wheels 45,55 Pallet Side Stopper Block 47,49,61 Shelf Side Stopper Block 51,57 Concavo-convex Part 53,59 Chamfered Part 63 Pallet Drop Prevention Stopper P Pallet

Claims (4)

[Claims] 1. A plurality of shelves for accommodating pallets are provided with a plurality of shelf-side stopper blocks on the upper surface of the pallet loading / unloading side in parallel in the direction of the pallet loading / unloading side, and the shelf is mounted on the lower surface of the pallet placed on the upper surface of the shelf. A storage shelf characterized in that a pallet-side stopper block is provided on the side surface of the side-side stopper block so that it can be locked when the pallet is moved or can be fitted between the shelf-side stopper blocks. 2. A pallet for storing a plurality of shelves for storing pallets, wherein a shelves stopper block is provided on an upper surface of an entrance / exit side, and a side of the shelves stopper block is locked when the pallets are moved or can be fitted into the shelves stopper block. A storage rack characterized in that a plurality of side stopper blocks are arranged in parallel on the pallet inlet / outlet side and are provided on the lower surface of the pallet. 3. A shelf-side stopper block having a plurality of concave-convex portions provided with chamfered portions is provided on the upper surface of the pallet loading / unloading side of a plurality of shelves storing pallets, and the shelf blocks are placed on the shelves. A pallet-side stopper block is provided on the lower surface of the pallet, in which a plurality of concave-convex portions are formed on the side surfaces of the shelf-side stopper block, the concave-convex portions being engaged with the concave-convex portions or locked when the pallet is moved. A storage shelf to do. 4. A pallet of a plurality of shelves for storing pallets is provided on an upper surface of an entrance / exit side, a shelf-side stopper block for stopping movement of a wheel provided on the entrance / exit side of the pallet is provided in front of and behind the wheel, A storage shelf, characterized in that a pallet drop prevention stopper that engages with the shelf side stopper block when the pallet is moved is provided at a position near the center of the pallet on the lower surface and close to the shelf side stopper block.