JP2002068412A - Material storing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a material storing device capable of shortening material carrying-out time at low cost by improving a conventional material storing device. SOLUTION: An elevating/lowering cage 11 elevatable along a side surface of a storage shelf 1 is positioned at a position of a shelf 3 for storing a desired material W and one sheet of the material W is taken by moving a one-sheet taking unit 25 of the elevating/lowering cage 11 to the inside of the shelf 3. The one-sheet taking unit 25 is returned to the elevating/lowering cage 11, the elevating/lowering cage 11 is lowered, the taken-out material W is supplied to a carrying-out unit 51 and the material W is carried out to the next process. At this time, when the elevating/lowering cage 11 is positioned at the position of the desired shelf 3 by elevating/lowering the elevating/lowering cage 11, an elevating/lowering side transfer rail 23 provided on the elevating/lowering cage 11 and a shelf side transfer rail 7 provided on the shelf 3 are continuous and thereby the one-sheet taking unit 25 is capable of moving to the inside of the shelf 3 along the elevating/lowering side transfer rail 23 and the shelf side transfer rail 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material storage device having a single-sheet pick-up device for picking up materials stored in shelves one by one.

[0002]

2. Description of the Related Art Referring to FIG. 10, a conventional material storage device 103 having a single-sheet pick-up unit 101 has a single-sheet pick-up unit 101 at a lower portion and a material W or the like above the single-sheet pick-up unit 101. Shelves 1 for storing
05 is provided.

[0003] Below the single-sheet pick-up unit 101,
A lifter 109 for keeping the upper surface of the uppermost material W placed on the pallet 107 at a predetermined height is provided. Above the lifter 109, the uppermost material W is taken up.
A sheet taking device 111 is provided. The single-sheet pick-up device 111 includes a loader rail 113 that is erected in FIG.
The material W is carried out onto a carry-out stand 115 provided adjacent to the side of the shelf 105.

[0004]

However, according to such a conventional technique, in order to carry out one sheet of the material W, the lifter 109 provided below the shelf 105 for storing the desired material W is required. Material W has to be moved upward. For this reason, when the type of the material W to be picked is changed every time, the one-sheet picking unit 10 is
In this case, the material W must be moved to the position No. 1, which is not only troublesome, but also has a problem that the unloading time of the material W becomes long.

SUMMARY OF THE INVENTION An object of the present invention is to pay attention to the above-mentioned problems of the prior art, and it is an object of the present invention to improve the conventional material storage device and reduce the material unloading time at low cost. It is to provide a material storage device that can be used.

[0006]

In order to achieve the above object, a material storage apparatus according to the first aspect of the present invention includes a storage shelf provided with multi-stage shelves for storing materials, and a storage shelf along a side surface of the storage shelf. Elevating cage that can be moved up and down to be positioned at a desired shelf position, and one sheet that is provided in the elevating cage and that can be moved inside the desired shelf and that takes one material stored in the shelf And a taking unit.

[0007] Therefore, the elevator cage which can be moved up and down along the side of the storage shelf is positioned at the position of the shelf for storing the desired material, and the single-sheet pick-up unit provided in the elevator cage is moved into the shelf. And take one material.

According to a second aspect of the present invention, in the material storage apparatus according to the first aspect, the single-sheet pick-up unit is provided on the lifting side connecting rail provided on the lifting cage and the shelf. It is characterized by being movable along the shelf-side connecting rail to the inside of the shelf.

Therefore, the elevator cage is moved up and down to be positioned at a desired shelf position, and the elevator-side connecting rail provided on the elevator cage and the shelf-side connecting rail provided on the shelf are made continuous. First, the single-sheet pick-up unit is moved to the inside of the shelf along the elevating / lowering side transfer rail and the shelf-side transfer rail, and single-sheet picking of the material W is performed.

According to a third aspect of the present invention, in the material storage apparatus according to the first or second aspect, the material storage apparatus has a pair of storage shelves, and the lifting cage moves up and down between the pair of storage shelves. The one-sheet pick-up unit is provided freely.
It is characterized in that it can be moved to the inside of both shelves of a pair of storage shelves.

Therefore, the elevating cage, which is provided between the pair of storage shelves so as to be able to move up and down, can be moved inside the shelves of any of the storage shelves. After being positioned at the position, the single-sheet pick-up unit is moved to the inside of a desired shelf, and one sheet is picked up.

A material storage device according to a fourth aspect of the present invention is the material storage device according to any one of the first to third aspects, wherein the material taken out by the single-sheet pick-up unit is transported to a next step. Is provided adjacent to the storage shelf.

Accordingly, the elevator cage is moved to a desired shelf position, the material is taken out by the single-sheet pick-up device, and the taken-out material is supplied to a transport unit provided in the vicinity of the storage shelf, and is transferred to the next step. Transport.

According to a fifth aspect of the present invention, there is provided a material storage device according to any one of the first to third aspects, wherein the material taken out by the single-sheet pick-up unit is transferred to a next process. Are provided so as to be able to move up and down along the side surface of the storage shelf.

Accordingly, the elevator cage is moved to a desired shelf position, the material is taken out by the single-sheet pick-up device, and the taken-out material is supplied to a vertically movable transport unit along the side of the storage shelf, and the next step is performed. Transport.

According to a sixth aspect of the present invention, in the material storage apparatus according to the fifth aspect, the carry-out unit is provided integrally with the lifting cage.
It is characterized by the following.

Accordingly, the material taken out from a desired shelf by the single-sheet pick-up unit provided in the lift cage is supplied to the carry-out unit provided integrally with the lift cage to be carried out to the next step. You.

[0018]

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

FIG. 1 shows a material storage device 1 according to the present invention.
It is shown. In the material storage device 1, a storage shelf 5 having a plurality of shelves 3 in which a material W is stored is provided. Above each shelf 3, for example, on the lower surface of the shelf 3 above the shelf 3, a shelf-side connecting rail 7 is provided over substantially the entire width of the shelf 3 in the left-right direction in FIG.

Left and right of the storage shelf 5 (left and right in FIG. 1)
On one side surface (the right side surface in FIG. 1), an elevating cage 11 that can move up and down along the support frame 9 of the storage shelf 5 is provided. That is, the support frame 9 of the storage shelf 5
The drive motor 13 and the drive motor 13
, A driving sprocket 15 is rotatably provided, and a driven sprocket 17 is rotatably provided at a lower end portion of the support frame 9.

An endless chain 19 is wound around the driving sprocket 15 and the driven sprocket 17, and the above-described lifting cage 11 is attached to the chain 19.

Therefore, when the drive motor 13 rotates the chain 19 via the drive sprocket 15, the lifting cage 11 moves up and down along the support frame 9, and is positioned on a desired shelf 3.

The elevating cage 11 has an elevating frame 21 extending horizontally in the left-right direction in FIG. 1, and an elevating side connecting rail 23 is provided below the elevating frame 21.
Is provided. When the elevator cage 11 is positioned on the shelf 3 of the storage shelf 5, the elevator side connecting rail 23 is located at a position that is continuous with the shelf-side connecting rail 7 provided on the lower surface of the shelf 3. ing.

A single-sheet pick-up unit 25 is provided on the elevating side connecting rail 23 so as to be reciprocally movable in the left-right direction. Referring also to FIG. 2, the single-sheet pick-up unit 25 includes a support frame 2 extending horizontally in the left-right direction in FIG.
For example, a number of vacuum pads 29 are attached to the cylinder 31
The material W is vertically movable by a vertical mechanism such as described above, so that the material W can be sucked and lifted. Note that a magnet can be used instead of the vacuum pad 29.

Referring to FIGS. 3A and 3B, the front end (see FIG.
At the left end in (A) and (B), a front end supporting roller 33 that is movable along the elevating side connecting rail 23 and the shelf side connecting rail 7 is provided, and the rear end (FIG. 3A,
(Right end in (B)) is provided with, for example, a self-propelled slide unit 35 which can be moved and positioned along the elevating-side connecting rail 23 and the shelf-side connecting rail 7.

As a moving mechanism of the slide unit 35, in addition to the above-described self-propelled type, for example, as shown in FIG. A slider 39 may be attached to the less cylinder 37. In this case, it is also possible to adopt a structure in which the above-described elevating-side connecting rail 23 is not provided.

Alternatively, as a moving mechanism of the slide unit 35, for example, as shown in FIG. 5, a drive motor 41 and a drive motor 41 are provided at one upper end (for example, the right end in FIG. 5) of the lifting frame 21. A driving sprocket 43, which is driven to rotate by 41, is provided, and a driven sprocket 45 is rotatably provided at the other end. Then, a chain 47 may be wound around the driving sprocket 43 and the driven sprocket 45, and a slider 49 may be attached to the chain 47. Also in this case, it is possible to adopt a structure in which the above-described lifting-side connecting rail 23 is not provided.

On the other hand, as shown in FIG. 1, below the elevating cage 11, a pipe roller table 51 with an elevating unit, for example, with an elevating unit is provided as an example of a carry-out unit adjacent to the storage shelf 5 so as to be adjustable in height. It is provided in. FIG.
, The pipe roller table 51 can be lowered to a position lower than the lowermost shelf 3L and can be raised to the height of the moving path line PL to the next process. Thus, when taking out the material W from the lowermost shelf 3L, it does not interfere with the single-sheet pick-up unit 25.

With the above structure, when one material W stored in the shelf 3 is taken out, the elevator cage 11 is positioned at a desired position of the shelf 3 and the elevator side connecting rail 23 and the shelf side connecting rail 23 are moved. 7, the single-sheet pick-up unit 25 is moved to the inside of the storage shelf 5 along the elevating-side connecting rail 23 and the shelf-side connecting rail 7.

The vacuum pad 29 is lowered to adsorb the uppermost material W, and the vacuum pad 29 is raised to lift only one material W. Then, after moving the single-sheet picking unit 25 toward the lifting-side connecting rail 23 side, the lifting cage 11 is lowered, and the pipe roller table 51 is moved.
The material W is placed on the sheet and carried out to the next process.

When one material W stored in the lowermost shelf 3L is taken out, the pipe roller table 51
Is lower than the lowermost shelf 3L, the material W is taken out and then raised to the moving path line PL to the next step.

From the above results, when a single sheet is picked, the single sheet pick-up unit 25 enters the desired shelf 3 and directly picks up the material W. There is no need to move to the lower stage, and the time for taking one sheet can be reduced.

Further, since only one material W taken out is moved instead of moving a pallet on which a heavy material is placed, the elevating cage 11 can be reduced in size and weight, and speed and speed can be improved. Energy saving can be achieved.

It should be noted that the present invention is not limited to the above-described embodiment of the present invention, but by making appropriate changes,
It can be implemented in other aspects. That is, in the embodiment of the invention described above, only the lifting cage 11 is provided on one side of the storage shelf 5. However, a lifter cage 53 (FIG.
If the lifter cage 5 is provided,
If the above-described lifting cage 11 is provided on the opposite side of the elevator 3, the lifting cage 11 can be provided without removing the lifter cage 53, so that the material storage device 1 according to the present invention can be provided using a conventional warehouse. It can be realized at low cost.

In the embodiment of the invention described above, the lifting cage 11 is provided on one side of the storage shelf 5,
As shown in FIG. 7, storage shelves 57 and 59 may be provided on both sides of the lifting cage 55. In this case, the one-sheet taking unit 25 of the lifting cage 55
It can be moved to the inside of both storage shelves 5. As a result, the amount of material storage can be greatly increased.

In the embodiment of the present invention, the pipe roller table 51 is separately provided near the storage shelf 5, but as shown in FIG. For example, a pipe roller table 63 that can be moved to at least the height position of the moving path line PL to the next process by the cylinder 61 may be provided.

As shown in FIG. 9, a pipe roller unit 69 as an unloading unit for supporting a single material W is integrally provided below the lifting frame 67 of the lifting cage 65. You may do it. In this case, since the pipe roller table 51 is not required, the size of the entire apparatus can be reduced.

[0038]

As described above, in the material storage apparatus according to the first aspect of the present invention, the vertically movable cage, which can be moved up and down along the side surface of the storage shelf, is positioned at the position of the shelf for storing the desired material. The single-sheet pick-up unit provided in the cage is moved to the inside of the shelf to take one sheet of material, and the single-sheet pick-up unit is returned to the elevating cage to take out the desired material. It is not necessary to move to the place of the sheet taking unit, and the time required for one sheet taking can be reduced. Further, since there is no need to transport a heavy object such as a material pallet, it is possible to reduce the size and weight of the elevating cage, thereby achieving energy saving.

In the material storage device according to the second aspect of the present invention,
When the elevating cage is moved up and down and positioned at a desired shelf position, the elevating-side connecting rail provided on the elevating cage and the shelf-side connecting rail provided on the shelf can be connected, so that one sheet is provided. The take-up unit can move to the inside of the shelf along the elevating-side transfer rail and the shelf-side transfer rail, so that a desired material can be easily taken out.

In the material storage device according to the third aspect of the present invention,
The elevating cage, which is provided between the pair of storage shelves so as to be movable up and down, can be moved inside the shelves of any of the storage shelves and is positioned at a desired shelf position of the storage shelves for storing desired materials. (1) Since the single-sheet pick-up unit is moved to the inside of a desired shelf to pick up one sheet of material, the amount of material storage can be greatly increased.

In the material storage device according to the fourth aspect of the present invention,
The elevator cage is moved to a desired shelf position, the material is taken out by a single-sheet pick-up device, and the taken-out material is supplied to a transfer unit provided in the vicinity of the storage shelf, and is conveyed to the next step. Can be taken out and quickly transported to the next process.

In the material storage device according to the fifth aspect of the present invention, the lifting cage is moved to a desired shelf position, the material is taken out by the single-sheet pick-up device, and the taken-out material is transported up and down along the side surface of the storage shelf. Since it is supplied to the unit and transported to the next step, only the desired material can be taken out and quickly transported to the next step.

In the material storage device according to the sixth aspect of the present invention,
One material taken from a desired shelf is supplied to a carry-out unit provided in the lifting cage and carried out to the next step, so that the entire apparatus can be made compact.

[Brief description of the drawings]

FIG. 1 is a side view showing an embodiment of a material storage device according to the present invention.

FIG. 2 is an enlarged view showing a vertical mechanism of the vacuum pad.

FIG. 3A is a side view showing a state of a single sheet taking unit before single sheet taking, and FIG. 3B is a side view showing a state of single sheet taking.

FIG. 4 is a side view showing another example of the moving mechanism of the single-sheet pick-up unit.

FIG. 5 is a side view showing still another example of the moving mechanism of the single-sheet pick-up unit.

FIG. 6 is a side view showing a state where a material stored in a lowermost shelf is taken out.

FIG. 7 is a side view showing another embodiment of the material storage device according to the present invention.

FIG. 8 is a side view showing an example of a state where a pipe roller unit is provided on a storage shelf so as to be able to move up and down.

FIG. 9 is a side view showing a state in which a pipe roller unit is provided integrally with the lifting cage.

FIG. 10 is a side view showing a conventional material storage device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 material storage device 3 shelf 5 storage shelf 7 shelf side connecting rail 11 elevating cage 23 elevating side connecting rail 25 1 sheet picking unit 51 pipe roller table (unloading unit) W material

Claims (6)

[Claims] 1. A storage shelf provided with multi-stage shelves for storing materials, an elevating cage that can be moved up and down along the side surface of the storage shelf and positioned at a desired shelf position, and provided in the elevating cage. A material storage device, comprising: a single-sheet pick-up unit that can be moved into the desired shelf and picks up one sheet of material stored in each shelf. 2. The single-sheet pick-up unit is movable to the inside of the shelf along a lift-side transfer rail provided on the lift cage and a shelf-side transfer rail provided on the shelf. The material storage device according to claim 1, wherein: 3. A pair of storage shelves, wherein the elevating cage is provided between the pair of storage shelves so as to be able to move up and down, and the single-sheet pick-up unit is inside both shelves of the pair of storage shelves. The material storage device according to claim 1, wherein the material storage device is movable up to. 4. The storage unit according to claim 1, wherein a transport unit for transporting the material taken out by said one-sheet take-out unit to a next process is provided close to said storage shelf. Material storage device according to crab. 5. The storage unit according to claim 1, wherein a transport unit for transporting the material taken out by the single-sheet pick-up unit to a next step is provided so as to be able to move up and down along the side surface of the storage shelf. 4. The material storage device according to any one of claims 1 to 3. 6. The material storage device according to claim 5, wherein the carry-out unit is provided integrally with the lifting cage.