JPH11208818A - Storage warehouse - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a storage warehouse with remarkably improved input/ output efficiency of stored objects and capable of exchanging glass substrates in the stored objects in the same specifications of a transfer machine main body as those of a conventional machine. SOLUTION: A storage warehouse comprises a plurality of storage racks 1 capable of storing a plurality of glass substrate cassettes, respectively, an input port for carrying in the glass substrate cassettes from the outside, an output port for carrying out the glass substrate cassettes to the outside, and a transfer machine 2 formed so that the glass substrate cassettes are held by a cassette arm part 3a and a cassette arm part 3b, respectively, and the cassette arm part 3a and cassette arm part 3b are moved vertically so as to move between the storage rack 1 and the input port or output port for transportation of the glass substrate cassettes. The transfer efficiency can be increased by transferring two glass substrate cassettes simultaneously.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage, and more particularly, to a storage for storing a cassette containing glass substrates in a process of manufacturing glass substrates in a liquid crystal display device.

[0002]

2. Description of the Related Art FIG. 7 is a front view showing a conventional cassette storage. In the figure, reference numeral 1 denotes a plurality of storage shelves for storing glass substrate cassettes containing glass substrates. Reference numeral 2 denotes a transfer machine for moving the glass substrate cassette, and reference numeral 3 denotes a cassette arm provided on the transfer machine 2 for holding the glass substrate cassette. In a conventional cassette storage, as shown in FIG. 7, one cassette arm 3 is provided on a transfer machine 2, and a cassette containing glass substrates is held by the cassette arm 3, and a storage shelf is provided. 1 or the goods are stored in the storage shelf 1.

[0003]

However, such a cassette storage is used for storing glass substrate cassettes.
At the time of unloading, the glass substrate cassettes are stored or unloaded by the cassette arm 3 of the transfer machine 2 one by one.
It took time to get in and out. Further, in order to reduce the time, it is necessary to increase the traveling speed of the transfer machine 2, the elevating speed, and the operating speed of the cassette arm 3, and for that purpose, it is necessary to increase the capacity of a drive motor and the like. There was a problem.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and provides a storage in which the efficiency of loading and unloading of articles to be stored is greatly improved in the same specification as a conventional transfer machine. That is the primary purpose. It is another object of the present invention to obtain a storage in which a glass substrate in a storage object can be replaced.

[0005]

A storage according to the present invention comprises: a plurality of storage shelves capable of storing a plurality of objects to be stored; a loading port for loading the objects from outside;
A carry-out port for carrying out the storage object to the outside, and a first arm portion and a second arm portion that individually hold the storage object and transfer the storage object to the storage shelf, and the first arm portion and A transfer device configured to move the second arm part up and down and move between a storage shelf and a carry-in or carry-out port to convey an article to be stored is provided. In addition, the transfer machine holds the first storage object stored in the first storage shelf on the first arm unit and the second storage object stored in the second storage shelf. Is held in the second arm portion and transported to the carry-out port.

[0006] The transfer device holds the first article to be carried into the carry-in port on the first arm, and transfers the second article to be carried into the carry-in port to the second arm. And transports the first storage object to the first storage shelf and the second storage object to the second storage shelf. Further, the transfer machine transports an object to be stored between one or both of the carry-in entrance and the carry-out opening and the storage shelf so that the moving distance of the transfer machine is minimized.

[0007] Further, a plurality of storage shelves capable of storing a plurality of storage objects accommodating a glass substrate, a carry-in port for carrying in a storage object from outside, and a carry-out port for carrying out the storage object to the outside. A first arm for holding the object to be transferred to a storage shelf and a second arm for holding the glass substrate and transferring to a predetermined position in the object to be stored. Moving the first arm and the second arm up and down,
It is configured to move between a storage shelf and a carry-in or carry-out port, to carry an object to be stored by a first arm, and to transfer a glass substrate in an object to be stored by a second arm. Equipped with a transfer machine. Further, the transfer machine transports the object to be stored by the first arm unit and transfers the glass substrate in the object to be stored by the second arm unit so that the moving distance of the transfer machine is minimized. Is what you do.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 FIG. 1 is a front view showing a storage according to Embodiment 1 of the present invention. In the figure, reference numeral 1 denotes a plurality of storage shelves for storing a plurality of glass substrate cassettes, respectively, and reference numeral 2 denotes an outlet (not shown) which is an outlet from the storage shelf 1 or a carry-in port provided separately from the outlet. Move between storage shelves 1 from the entrance (not shown)
Transferring machines 3a and 3b for loading and unloading the glass substrate cassette are cassette arm portions provided on the transferring device 2, and are moved up and down by the transferring device 2 to hold the glass substrate cassette. The transfer of the glass substrate cassette to the storage shelf 1, the removal of the cassette from the entrance, and the lowering of the cassette to the exit are performed.

FIG. 2 is a view for explaining a transfer machine according to Embodiment 1 of the present invention, and FIG. 2A is a diagram showing details of the transfer machine, wherein a cassette arm 3b is shown. Illustration is omitted. FIG. 2B is a view of the cassette arm portion of FIG. In the figure, reference numeral 4 denotes an arm driving unit for driving the cassette arm 3a, 5 denotes a hand of the cassette arm 3a, and 6 denotes a cassette mounted on the hand 5. In such a vault,
The transfer device 2 is provided with two cassette arms 3a and 3b, each of which holds a glass substrate cassette and transports it between the storage shelf 1 and the entrance or exit, and transfers the glass substrate cassette. Cargoing in or out of the storage shelf 1 is performed. Therefore, two glass substrate cassettes can be loaded and unloaded at one time, and the time required for loading and unloading can be reduced.

[0010] When a plurality of cassettes are requested to be ejected from the storage 1, the first ejected cassette is held on the cassette arm 3 a and the second ejected cassette is held on the cassette arm 3 b. I do. Next, transfer machine 2
Moves to the exit port and continuously exits the exit cassettes on the cassette arms 3a and 3b to the exit port. Thereby, the two glass substrate cassettes can be efficiently taken out of the warehouse. Next, the arm 3 for the cassette at the time of this retrieval
The movements of a and 3b will be described in more detail.

The delivery cassette 6 is connected to the cassette arm 3a.
First, the transfer machine 2 positions the cassette arm 3a in front of the storage shelf 1 where the unloading cassette 6 is located, and then the arm 3a for the cassette is moved by the arm driving actuator in the arm driving unit 4. To the lower part of the delivery cassette 6. Next, the vertical movement of the transfer machine 2 raises the whole cassette arm 3a, scoops up the cassette 6, and holds the delivery cassette 6 on the hand 5 of the cassette arm 3a. Next, the arm 3a for the cassette is returned to the transfer machine 2 side by the arm driving actuator in the arm driving section 4, and the delivery cassette 6 is taken out from the storage shelf 1.

During this time, the cassette arm 3b is stopped. Regarding the vertical movement of both cassette arm portions 3a and 3b, in the first embodiment, since they are operated by one vertical mechanism in transfer machine 2, both cassette arm portions 3a,
3b operate at the same time, but operate individually with respect to the expansion and contraction of the arm. Here, with respect to the arm vertical movement, the same effect can be obtained even if each of the cassette arm portions 3a and 3b is provided with an arm drive actuator for vertical movement and configured to individually move vertically.

Next, when unloading the unloading cassette 6 to the unloading opening, the transfer machine 2 moves the cassette arm 3 in front of the unloading opening.
a, the cassette arm 3a holding the delivery cassette 6 is extended toward the delivery port side, and then the cassette arm 3a is lowered by the up and down operation of the transfer machine 2, and the cassette 6 at the delivery port is placed. And then the cassette arm 3a
Is returned to the transfer machine 2 side.

When a plurality of glass substrate cassettes are requested to enter the warehouse from the entrance, the transfer machine 2 moves to the entrance, and moves the first inventory cassette to the cassette arm 3a. , And the second storage cassette is held by the cassette arm 3b. Next, the transfer machine 2 moves to the target storage shelf 1, and the cassette arm 3a,
Each of the glass substrate cassettes held by 3b is transferred to the storage shelf 1. The operation of the cassette arm 3a at this time is the same as that in the case of leaving the warehouse. As described above, the number of movements of the transfer machine 2 between the storage shelf 1 and the entrance or exit is
Since it is の of the conventional case, the storage and retrieval time is reduced.

Embodiment 2 Embodiment 2 relates to a case in which there are a plurality of entry and exit requests for a glass substrate cassette, which will be described with reference to FIG. When there are a plurality of requests for loading and unloading of the glass substrate cassette, the transfer of the glass substrate cassette is performed on the route in which the transfer distance of the transfer machine 2 is the shortest under the control of the storage controller (not shown). By using the arm portions 3a and 3b, efficient entry / exit work can be realized. FIG. 3 is a diagram showing the positions of the entrance and exit of the storage and the moving route of the transfer device according to the second embodiment of the present invention, and FIG. 3 (a) shows the storage shelves and the entrance and exit. FIG. 3B is a diagram showing a non-shortest moving route, and FIG. 3C is a diagram showing a shortest moving route.

In the figure, 1 is a storage shelf, 2 is a transfer machine, 9
Denotes an entrance, 10 denotes an exit, A and B denote cassettes, and C denotes a specific storage shelf. 3A, the cassette A at the entrance 9 shown in FIG.
Is transferred to the exit 10. FIG.
(B) shows the case where there is one cassette arm. The transfer machine 2 moves from the start s to the entrance 9 where the cassette A is located, holds it (v), and moves to the storage shelf C. After moving, the cassette A is placed (w), the cassette A is returned to the storage shelf where the cassette B is placed, the cassette B is held on the cassette arm (x), and the cassette B is moved to the exit port 10 to exit the warehouse. (Y). In this case, the process (w-
x), and the movement of the transfer machine 2 is not the shortest.

On the other hand, FIG. 3 (c) shows a case where there are two cassette arms, and the transfer machine 2 moves from the start s to the entrance 9 to move the cassette A to the cassette arm. (V), and then move to cassette B and hold it in cassette arm 3b (x), and then move to storage shelf C to store cassette A (w), Finally, move to the exit 10 and set the cassette B
(Y). In this case, the transfer machine 2 moves the shortest distance.

Embodiment 3 FIG. 4 is a front view showing a storage according to Embodiment 3 of the present invention. In the figure,
1, 2, and 3a are the same as those in FIG. Reference numeral 11 denotes a glass substrate arm that holds a glass substrate in the glass substrate cassette and moves a glass substrate in and out of the glass substrate cassette. FIG. 5 is a diagram showing a glass substrate arm of a storage according to Embodiment 3 of the present invention. In the figure, reference numeral 11 denotes a glass substrate arm having the same structure as that of the cassette arm 3a and having a hand 12 having a different structure. Have been.

FIG. 6 is a view showing a state of transferring glass substrates in a storage according to Embodiment 3 of the present invention. In the figure, 11 and 12 are the same as those in FIG. 6 is a cassette and 14 is a glass substrate. As shown in FIG. 6, the hand 12 of the glass substrate arm 11 is inserted between the glass substrates 14 in the cassette 6, then the glass substrate arm 11 is raised, and the suction pad 13 on the hand 12 is used. The glass substrate 14 is sucked, the glass substrate 14 is gripped, and then the glass substrate arm 11 is returned, and the glass substrate 14 is taken out. When the glass substrate 14 is to be put into the cassette 6, the hand 12 holding the glass substrate 14 is inserted into the stage of the cassette 6, whereupon the suction is released, and the glass substrate arm 11 is lowered.
The glass substrate 14 is placed inside. Thereafter, the glass substrate arm 11 is returned. In this manner, the glass substrates 14 are knitted such that the quality grades of the glass substrates 14 in the cassette 6 are made uniform.

Thus, the cassette arm 3a
, A glass substrate cassette is loaded and unloaded, and the glass substrate arm 6 is moved to the glass substrate cassette 6.
The glass substrate 14 at a predetermined position in the inside is replaced. As a result, the loading / unloading operation of the glass substrate cassette and the knitting of the glass substrates in the glass substrate cassette can be performed in the same storage, so that there is no need to install a new device for knitting the glass substrates and the space is saved. Thus, a storage with high production efficiency can be realized. Note that, also in the third embodiment, the transfer machine 2 is moved so that the moving distance is the shortest. Further, even in the first to third embodiments having three or more arms, the efficiency can be further improved.

[0021]

Since the present invention is configured as described above, it has the following effects. A plurality of storage shelves that can store a plurality of objects to be stored, a loading port for loading the items to be stored from outside, a loading port for unloading the items to be stored outside, and separately holding the items to be stored. Having a first arm portion and a second arm portion for transferring to a storage shelf, moving the first arm portion and the second arm portion up and down, Since the transfer device is configured to transfer the object to be stored and to transfer the object to be stored, two objects to be stored can be simultaneously transferred, and the efficiency of carrying in and out can be improved.

Further, the transfer machine holds the first object to be stored stored in the first storage rack on the first arm portion and the second storage device stored in the second storage rack. Since the object to be stored is held by the second arm portion and transported to the exit, two items to be stored can be transported to the exit at the same time.
In addition, the transfer machine holds the first storage object carried into the carry-in entrance in the first arm portion, and holds the second storage object carried into the carry-in entrance in the second arm portion. Then, since the first storage object is transported to the first storage shelf and the second storage object is transported to the second storage shelf, two stored objects are simultaneously transported from the entrance to the storage shelf. Can be.

Further, the transfer machine transports the storage object between one or both of the carry-in and carry-out ports and the storage shelf so that the moving distance of the transfer machine is minimized. The storage object can be transported efficiently. A plurality of storage shelves each capable of storing a plurality of objects to be stored containing glass substrates; a loading port for loading the items to be stored from outside; a loading port for unloading the items to be stored to the outside; A first arm for holding the storage object and transferring to a storage shelf, and a second arm for holding the glass substrate and transferring to a predetermined position in the storage object, The arm portion and the second arm portion are moved up and down, and moved between the storage shelf and the carry-in or carry-out port, and the article to be stored is transported by the first arm portion. Since it is equipped with a transfer machine configured to transfer the glass substrate in the storage object by
In the same storage, the storage object can be transported and the glass substrates in the storage object can be knitted.

Further, the transfer machine can transfer the object to be stored by the first arm and transfer the glass substrate in the object to be stored by the second arm so that the moving distance of the transfer machine is the shortest. As a result, it is possible to efficiently carry the object to be stored and knit the glass substrates in the object to be stored.

[Brief description of the drawings]

FIG. 1 is a front view showing a storage according to Embodiments 1 and 2 of the present invention.

FIG. 2 is a diagram showing details of a cassette arm of a storage according to the first embodiment of the present invention;

FIG. 3 is a diagram showing the positions of the entrance and exit of a storage according to a second embodiment of the present invention.

FIG. 4 is a front view showing a storage according to a third embodiment of the present invention.

FIG. 5 is a view showing a glass substrate arm of a storage according to a third embodiment of the present invention.

FIG. 6 is a diagram showing a transfer state of a glass substrate in a storage according to a third embodiment of the present invention.

FIG. 7 is a front view showing a conventional storage.

[Explanation of symbols]

1 storage shelf, 2 transfer machine, 3a, 3b cassette arm, 5, 12 hands, 6 cassettes, 9
Entrance, 10 exit, 11 arm for glass substrate, 14 glass substrate.

Claims (6)

[Claims] 1. A plurality of storage shelves each capable of storing a plurality of objects to be stored, a carry-in port for carrying in the objects to be stored from outside, a carry-out port for carrying out the objects to be stored outside, and the objects to be stored. And a first arm portion and a second arm portion for separately transferring the data to the storage shelf, moving the first arm portion and the second arm portion up and down, and And a transfer device configured to move between the transfer port and the transfer port or the transfer port to transfer the storage object. 2. The transfer device according to claim 1, wherein the transfer device holds the first storage object stored in the first storage shelf on the first arm portion,
2. The storage according to claim 1, wherein the second storage object stored in the second storage shelf is held by the second arm portion and transported to a carry-out port. 3. A transfer device for holding a first storage object carried into a carry-in entrance on a first arm portion, and transferring a second storage object carried into the carry-in entrance to a second arm. 2. The storage according to claim 1, wherein the first storage object is transported to the first storage shelf and the second storage object is transported to the second storage shelf while being held by the arm portion. 4. A transfer machine for transferring a storage object between one or both of a carry-in port and a carry-out port and a storage shelf such that the transfer distance of the transfer machine is minimized. A storage according to claim 1, characterized in that: 5. A plurality of storage shelves each capable of storing a plurality of storage objects accommodating a glass substrate, a loading port for loading the storage object from outside, and a loading port for unloading the storage object to the outside. A first arm for holding and transferring the object to a storage shelf and a second arm for holding and transferring the glass substrate to a predetermined position in the object to be stored. Then, the first arm and the second arm are moved up and down, and moved between the storage shelf and the carry-in or carry-out, and the first arm is used to move the object to be stored. A storage provided with a transfer machine configured to transfer the glass substrate in the storage object by the second arm unit. 6. A transfer machine, wherein the transfer of an object to be stored by the first arm portion and the transfer of the glass substrate in the object to be stored by the second arm portion minimizes the transfer distance of the transfer device. 6. The storage according to claim 5, wherein the storage is performed.