JPH08277007A - Housing shelf - Google Patents

Abstract

PURPOSE: To prevent falling of a pallet housed on each shelf because of vibrations due to earthquakes, or the like. CONSTITUTION: When a pallet P having a work W is housed on each shelf 7, a cam 53 provided in the lower surface of the pallet P presses a cam follower 45 from above, the cam follower being provided in one end of a locking lever 41 and a locking pin 47 provided in the other end of the locking lever 41 is engaging hole 55 as a locking pin engaging means provided in the lower surface of the pallet P, thereby preventing its movement. Thus, even when for instance up and down vibrations due to earthquakes, etc., occur, the pallet P does not fall from each shelf 7, preventing dangers.

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 pallets loaded with works.

[0002]

2. Description of the Related Art Conventionally, in storage shelves such as automatic warehouses, pallets each having a work loaded thereon are supported and stored. The pallet P loaded with this work W is shown in FIG.
As shown in FIG. 7 and FIG. 7, a wheel is provided on one of both ends in the loading / unloading direction (left and right directions in FIGS. 6 and 7) so that it does not drop from each shelf 101 and is easy to load / unload. 103 is provided, and stopper blocks 105 are provided at the other end at different levels in the width direction. Another stopper block 107 is provided on each of the shelves 101.
Is provided so as to engage with the stopper block 105. A plurality of hooks 109 are provided on the left side of the pallet P in FIGS. 6 and 7.

On the left side of the storage rack, for example, FIG.
As shown in Fig. 11, the chain 11 can be moved vertically.
The elevator 113 is attached to 1. A self-propelled traverser 115 movable in the left-right direction in FIG. 8 is provided on the elevator 113, and a hook 117 engaging with the hook 109 provided with the pallet P is provided on the right side of the traverser 115. It is provided.

Pallet P supported on each shelf 101
8 is moved in and out, the traverser 115 is moved to the right side in FIG. 8 to engage the hook 117 with the hook 109 provided on the pallet P, and the elevator 1
When 13 is slightly raised, the left side of the pallet P is shown in FIG.
A small amount is lifted, as shown in. As a result, the stopper block 10 provided on the pallet P is
5 can move the pallet P from each shelf 101 without interfering with the stopper block 107 on each shelf 101.

[0005]

By the way, each of the shelves 101 in the above-mentioned conventional storage shelves stores the pallets P on which the works W are loaded. Then, for example, when vertical vibration is generated during an earthquake, the stopper blocks 105 provided on the lower surface of the pallet P overrun the stopper blocks 107 on each shelf 101, and each stopper block 107 serves as a stopper. No, pallet P
May fall from each shelf 101, which is dangerous.

An object of the present invention is to provide a storage rack which prevents pallets stored on each rack from falling from each rack due to vibration such as an earthquake.

[0007]

In order to achieve the above object, the storage shelf of the present invention according to claim 1 has a framed frame set upright, and a plurality of shelves are arranged at appropriate intervals in the height direction of the frame. A lock lever is swingably provided on each of the shelves, a cam follower exposed on the shelf is provided at one end of the lock lever, and the other end of the lock lever can project from the upper surface of the shelf. A lock pin is provided, and a cam is provided on a lower surface corresponding to the cam follower of the pallet stored on each of the shelves, and a lock pin engaging means is provided on a lower surface corresponding to the lock pin. Is.

According to a second aspect of the present invention, the storage rack of the present invention is characterized in that the lock pin engagement means is an engagement hole.

[0009]

With the storage shelves of the present invention according to claims 1 and 2 as described above, when the pallets loaded with the works are stored on the shelves, the cams provided on the lower surface of the pallets are provided on the respective shelves. The cam follower provided at one end of the lock lever provided on the upper side of the lock lever and the lock pin provided at the other end of the lock lever as the lock pin engaging means provided on the lower surface of the pallet. It is designed to be engaged with the engagement hole of and not to move.
Therefore, even if a vertical vibration such as an earthquake occurs, the pallet does not drop from the shelves, which is prevented from danger.

[0010]

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

Referring to FIG. 5, a storage shelf 1 such as an automatic warehouse is provided with a frame 3 which is a frame, and the frame 3 has 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. 5 is provided at the lowermost stage. On each of the shelves 7 and the loader frame 9, pallets P loaded with works W are stored. 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. 5, there is provided an elevator 11 which is vertically movable. A self-propelled traverser 15 equipped with 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 attached to the output shaft of the drive motor 25. A chain 31 is wound around the drive sprocket 27 and a 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. 5 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 15.

After the elevator 15 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.

As shown in FIG. 1, a projecting portion 7T is integrated with the lower portion of each shelf 7, and a locking lever 41 is pivotally supported by a pin 43 on the projecting portion 7T. It is supported. A cam follower 45 is rotatably supported at one end (left end in FIG. 1) of the locking lever 41, and a lock pin 47 is provided at the other end (right end in FIG. 1) of the locking lever 41.

When the locking lever 41 swings around the pin 43 as a fulcrum, the cam follower 45 and the lock pin 47 are vertically penetrated through the shelves 7 so as to project upward from the shelves 7. Holes 49 and 51 are formed.

When the cam follower 45 and the lock pin 47 project upward from the holes 49 and 51 of the shelves 7, the cam 53 and the engagement hole 55 as a lock pin engagement means are provided at corresponding positions on the pallet P. Is provided. Also,
When the pallet P is carried out between each of the shelves 7 and the lock lever 41, the lock lever 41 swings from the lock pin 47 side of the lock lever 41 so as to come out from the engagement hole 55 provided in the pallet P. A spring 57 is provided. Although the spring 57 is used in this embodiment, the lock pin 4
A weight may be provided at a position corresponding to the lower part of 7.

With the above structure, when the pallet P loaded with the works W is placed on each shelf 7, the cam 53 provided on the lower surface of the pallet P is locked by the locking lever as shown in FIG. The cam follower 45 provided at one end of the pallet 41 is pressed from above, and the lock pin 47 provided at the other end of the locking lever 41 is engaged with the engagement hole 55 provided at the lower surface of the pallet P, thereby P does not move. Therefore, in such a case, even if vertical vibration such as an earthquake occurs, the lock pin 47 cannot be disengaged from the engagement hole 55, so that the pallet P does not drop.

When carrying out the pallet P on each shelf 7, the elevator 11 stops at the position of each shelf 7, and the traverser 15 on the elevator 11 moves toward the pallet P as shown in FIG. , Pallet P with hook 13
The left side of the pallet P is lifted when the elevator 11 is lifted by a small amount by engaging with the hook 109 of. As a result, the cam follower 45 provided at one end of the locking lever 41 is released from the pressing force from above, and the extension of the spring 57 causes the locking lever 41 to rotate clockwise around the pin 43 as a fulcrum in FIG. , The lock pin 47 is disengaged from the engagement hole 55 provided on the lower surface of the pallet P, and the pallet P becomes movable, and is transported to the elevator 11 by the movement of the traverser 15.

In this way, by placing the pallet P on each shelf 7, the lock pin 47 engages with the engaging hole 55, and by lifting the pallet P, the lock pin 47 is disengaged from the engaging hole 55, No special driving means for locking is required, and there is no problem in the entry and exit of the pallet P.

FIGS. 3 and 4 show another embodiment which is an alternative to FIGS. In FIGS. 3 and 4, the same parts as those in FIGS. 1 and 2 are designated by the same reference numerals and the description of the overlapping parts will be omitted. 3 and 4, the cam follower 4 is provided at one end (right end in FIG. 3) of the locking lever 41.
5 is rotatably supported, and a lock pin 47 is provided at the other end (left end in FIG. 3) of the locking lever 41. When the lock lever 41 swings around the pin 43 as a fulcrum, holes 49 and 51 penetrating in the vertical direction are formed in the shelves 7 so that the cam followers 45 and the lock pins 47 project above the shelves 7, respectively. It is formed on the right and left of each shelf 7. Although the cam 53 is provided at the position of the pallet P corresponding to the cam follower 45, the left side surface of the pallet P is located at the position corresponding to the lock pin 41 so as not to move to the left. In this embodiment, the side frames 5C, 5D
Since the pallet P does not go in and out on the side surface of the, a cover is provided, and even if the pallet P moves to the right side, it is stopped by the cover and there is no fear of falling.

With the above configuration, when the pallets P loaded with the works W are placed on the shelves 7, the state shown in FIG. 4 is brought about, and vertical vibrations such as an earthquake occur to cause the pallets P to move. 4, even if it moves to the right in FIG. 4, since it is provided with a cover on the side frames 5C and 5D, it will not fall down. Also,
Even if the pallet P tries to move to the left in FIG. 4 due to the vibration, the pallet P is blocked by the lock pin 47, does not move, and does not drop.

When the pallet P is carried out from each shelf 7 to the elevator 11, the state shown in FIG. 3 is obtained, and the pallet P is carried out in the same manner as in the above-mentioned embodiment. That is, in this case, the locking lever 41
Rotates in the counterclockwise direction in FIG. 3, and the pallet P is moved onto the elevator 11.

The present invention is not limited to the above-described embodiment, but can be embodied in other modes by making appropriate changes.

[0030]

As can be understood from the above description of the embodiments, according to the present invention according to claims 1 and 2, when a pallet loaded with works is stored on each shelf, the lower surface of the pallet is stored. The cam provided on the top holds the cam follower provided on one end of the lock lever provided on each shelf from above, and the lock pin provided on the other end of the lock lever is provided on the lower surface of the pallet. It is engaged with the lock pin engaging means. Even if vibration occurs in the vertical direction, such as an earthquake, the pallet will not drop from each shelf, and the danger can be prevented.

By placing a pallet on each shelf,
When the lock pin is engaged with the lock pin engaging means and the pallet is lifted, the lock pin is disengaged, and the pallet can be easily moved in and out without requiring any special driving means for locking.

[Brief description of drawings]

FIG. 1 is a diagram for explaining the main part of the present invention and is an operation explanatory diagram when moving a pallet stored in each shelf to an elevator.

FIG. 2 is a diagram showing a state where a pallet is stored in each shelf.

FIG. 3 is a view for explaining the operation when moving the pallets stored in each shelf to the elevator, showing another embodiment replacing FIG. 1.

FIG. 4 is a diagram showing a state in which a pallet is stored in each shelf of another embodiment.

FIG. 5 is a front view of a storage shelf according to an embodiment of the present invention.

FIG. 6 is a plan view of a pallet on which works are loaded.

FIG. 7 is a front view of the pallet in FIG.

FIG. 8 is an explanatory diagram for moving a pallet stored in each conventional shelf to an elevator.

[Explanation of symbols]

 1 Storage Shelf 3 Frame 7 Shelf 11 Elevator 13 Hook 15 Traverser 33 Lifter 35 Loader 39 Adsorption Pad 41 Lock Lever 43 Pin 45 Cam Follower 53 Cam 55 Engagement Hole (Lock Pin Engaging Means) 57 Spring

Claims (2)

[Claims] 1. A framed frame is set upright, and a plurality of shelves are provided at appropriate intervals in the height direction of the frame,
A lock lever is swingably provided on each of the shelves, a cam follower exposed on the shelf is provided at one end of the lock lever, and a lock pin projectable from the upper surface of the shelf is provided at the other end of the lock lever. A storage rack provided with a cam on a lower surface corresponding to the cam follower of a pallet stored on each of the shelves and a lock pin engaging means on a lower surface corresponding to the lock pin. 2. The storage rack according to claim 1, wherein the lock pin engagement means is an engagement hole.