JPH0441306A - Pallet containing shelf apparatus - Google Patents

Abstract

PURPOSE:To enable just-in-time proceeding to a next process and selective carry-in of a worked part by providing a second pallet holding mechanism for containing worked objects in the vicinity of a carry-out/in mechanism for carrying the objects to a working machine. CONSTITUTION:A worked object 29a by a working machine 30a is carried by a carry-in mechanism 10a and mounted on an upper pallet 5a, and when it is to be held by a holding mechanism 6a inside a containing shelf 1 again, the pallet 5a inside the containing shelf 1 is selected. On the other hand, where the object 29a is to be carried out to a next process other than the working machine 30a, the pallet 5a held by the holding mechanism 6a is selected, the object 29a is carried into the pallet 5a and it is held by the holding mechanism 6a. Thus the pallet 5a held by the holding mechanism 6a can be housed again or used as one to be carried to the next process, so that the object 29a can be worked as soon as working is completed without a loss of waiting time.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is a method for loading and storing materials, semi-finished products, and processed products on pallets, and automatically transferring these products to processing machines and processing equipment. This invention relates to a pallet storage shelf device that automatically returns supplies to pallets after being processed and processed.

[Prior Art] This pallet storage shelf device equipped with a plurality of pallets has a separate device for storing and transporting materials and articles to be processed or processed, and a device for carrying in and storing materials and objects after processing or processing. These devices were separated on both sides with processing machines and processing equipment in between.

[Problems to be Solved by the Invention] This type of prior art system has separate storage sections and conveyance sections on both sides of the processing machine or processing device, so it cannot be installed in a small factory because the ground contact area of the entire device is large. Also, the direction and location of setting materials and articles from the outside to the equipment were fixed, so there was no freedom in layout. Furthermore, the pallets and storage shelves are different before and after processing or treatment, which is inconvenient and makes handling and management difficult.

In addition, as a device with a reduced installation space where materials and articles before being processed or processed are carried into a processing machine or processing equipment and items are carried out after processing or processing are carried out at the same location, a storage shelf disclosed in Japanese Patent Application No. 1-97424 is used. Although there is a conveyor system equipped with this, it has not been able to solve the problems of inconvenient layout, poor interrupt workability, and poor ability to respond quickly and in a timely manner to the next process.

The present invention solves the problems that could not be solved with conventional technology, such as poor installation space, poor adaptability to changes in installation environmental conditions, and poor handling, and also makes it possible to increase the number of processing machines or processing equipment. Therefore, it is possible to easily transport materials and articles that are not on storage shelves to processing machines or processing equipment, to enable timely and prompt sending of processed or processed articles to the next process, and to It is an object of the present invention to provide a pallet storage shelf device that has functions such as a degree of freedom that allows installation of layouts that suit various factory conditions because materials and articles can be taken in and out of the device in two directions.

[Means for Solving the Problems] In order to achieve the above object, the pallet storage shelf device of the present invention includes: a storage shelf that is provided with a plurality of shelves in the vertical direction for storing pallets on which objects are loaded; , a pallet storage shelf device comprising: an elevator mechanism that moves up and down along the storage shelf; and a transfer mechanism that places the pallet on and off the elevator mechanism; Alternatively, a holding mechanism for supporting and holding the second pallet is provided, and the pallet or the second pallet is loaded in order to carry the pallet or the second pallet into and out of the elevator mechanism or the holding mechanism. A movable platform that moves, and the pallet loaded on the moving platform or the second pallet held by the holding mechanism are stacked to form a pair of upper and lower pallets. The pallet and the second pallet are each provided with a connecting portion that allows the pallet to be loaded onto the moving table and transported to a predetermined position.

[Function] The storage shelf 1 accommodates the pallet 5b. This pallet 5b is moved to the carry-out person's position of the carry-in/out mechanism 10 in a state in which the second pallet 5a, which is held by the holding mechanisms 6 provided inside and outside the storage shelf 1, is combined with the second pallet 5a.
The unprocessed article 29b is carried out.

This pallet 5b is transported by the moving table 8 to the carry-out person's position.

The second pallet h5a held by the holding mechanism 6 is provided with a processing machine 3 provided externally by a horizontal unloading machine 10.
The processed article 29a is carried in from 0a and 30b.

Then, this second pallet 5a is again replaced by pallet 5b.
It is separated from the housing shelf 1 and is housed and held again in the holding mechanisms 6 provided inside and outside the storage shelf 1, respectively.

Here, when the second pallet 5a is held by the holding mechanism 6 outside the storage shelf 1, the processed article 29a can be carried out from this part to the next process.

[Embodiment] FIG. 1(a) is a side view showing the overall configuration of a pallet storage shelf device according to the present invention.

The storage shelf l is a pallet 5 on which unprocessed articles 29b are loaded.
It is provided with a plurality of shelves 2 for accommodating items b.

Here, as shown in the perspective view of FIG. 2(a), a second pallet 5a can be loaded on the pallet 5b, and a pair of pallets 5
can be configured.

The pallet 5b is provided with a protrusion 40b, and the lower part of the second pallet 5a is provided with an engagement hole 40a, so that these joints 40 allow mutual positioning.

As another example of this joint part 4o, as shown in the partial side view of FIG. It is also possible to provide a protrusion 47c at the bottom of the second pallet 5a so as to position the two pallets 5a.

By the way, these pallets 5b and the second pallet 5a
may have the same shape, and in this embodiment, the pallet 5b will be described as the lower pallet 5b, and the second pallet 5a will be described as the upper pallet 5a.

Further, in this pair of pallets 5, the upper pallet 5a and the lower pallet 5b can be used separately before and after processing.

The shelf support 2 is a member that guides and supports a pair of pallets 5 to be carried into the storage shelf 1 and held therein.

The elevator mechanism 3 is equipped with a lower pallet 5b and a storage shelf 1.
Raise and lower the outer surface of the shelf to the specified shelf position.

The transfer mechanism 4 transfers the lower pallet 5b mounted on the elevator mechanism 3 to be carried in and out of the storage shelf 1 and the moving platform 8.

The holding mechanism 68 holds the upper pallet 5a.

FIGS. 3(a) and 3(b) are top views showing the holding mechanism 68;
and a side view. The holding mechanism 6 a 16 a 2 is
It is fixed to the storage shelf 1 and located at the four corners of the upper pallet 5a. These holding mechanisms 6a+ and 6az are provided with a guide portion 17 consisting of an inclined portion 17a and a step portion 17b with a lowered crotch.
is provided to determine the holding position of the upper pallet 5a. In addition, the surface and guide portion 17 may have a concave groove on the pallet side and a protrusion on the separating tool side to determine the holding position.

The support stand 7 is a stand that supports a holding mechanism 68 provided outside the storage shelf 1, and in this embodiment, a carry-in/out mechanism lO, which will be described later.
A support stand 7 is provided at a position opposite to the storage shelf 1 with the storage shelf 1 in the middle.

The moving platform 8 has a pallet mounting table 8b, receives the lower pallet 5b on the elevator mechanism 3, and holds the lower pallet 5b on the elevator mechanism 3.
The upper pallet 5a is transported laterally to the position a.
The lower pallet 5b is lifted up and lowered to place it on the holding mechanism 6a
The goods 29 on the pallet are moved in the horizontal direction to a position directly below the side 10 of the carry-out machine (carry-out person's position) where the goods 29 are carried in or out.

The control device 9 controls the selection of the lower pallet 5b of the storage shelf 1, the elevator mechanism 3, the transfer mechanism 4, and the moving platform 8 based on instructions.

The carry-in/out mechanism 10 includes a carry-out mechanism 10a and a carry-in mechanism 10b.
Consisted of.

Here, FIG. 1 To) shows a top view of a combination of the pallet storage shelf device of the present invention and one processing machine 30a.

The unloading machine Ill 10a unloads the unprocessed article 29b from the lower pallet 5b and conveys it to the processing machine 30a.

The carry-in mechanism 10b transfers the processed articles 29 to the upper pallet 5a.
Bring in a.

The guide rail 12a is connected to the carry-out mechanism 10a and the carry-in mechanism 10b.
The upper pallet 5a or the lower pallet 5b and the processing machine 3 are in a position to guide the movement and position of the goods 29 and carry them in and out.
The receivers 0a are provided between the transfer positions.

The carrying-out mechanism 10a and the carrying-in mechanism 10b are interlocked to prohibit simultaneous carrying-in and taking-out operations for the same pallet.

Next, the operation of the above configuration will be explained.

To store the unprocessed article 29a in the storage shelf 1, the lower pallet 5b is transferred from the storage shelf 1 to the elevator mechanism 3 by the transfer mechanism 4.

Next, move the elevator mechanism 3 to the lower pallet 5b on the moving platform 8.
The lower pallet 5b is lowered to the transfer position and transferred onto the moving table 8.

In this state, the moving table 8 is moved below the loading/unloading mechanism 10, and the loading/unloading mechanism 10a of the loading/unloading mechanism 10 is moved onto the lower pallet 5b.
The unprocessed articles 29b are loaded.

After loading the articles 29b, the moving platform 8 is moved to the lower pallet 5b.
The lower pallet 5b is moved to the transfer position to the elevator mechanism 3, the lower pallet 5b is moved to the elevator mechanism 3, the elevator mechanism 3 is operated, and the lower pallet 5b is raised to the storage shelf position, and the lower pallet 5b is stored on the storage shelf 1.

With the above steps, the preparation work for storing the unprocessed articles 29b in the storage shelf 1 is completed.

Here, the holding mechanism 6a inside the storage shelf 1 and the storage shelf 1 are prepared in advance.
The holding mechanism 68 of the external support stand 7 holds the upper pallet 5a.

When the processing machine 30a starts processing, the control device 9 sends an article 29b required for processing to the elevator mechanism 3.
The shelf where the is stored is indicated.

Upon receiving the instruction, the elevator mechanism 3 moves to the shelf, uses the transfer mechanism 4 to transfer the lower pallet 5b onto the elevator mechanism 3, descends to the transfer position to the transfer platform 8, and lowers it to the transfer platform 8. Transfer pallet 5b.

When a request to transport the article 29b to the processing machine 30a is issued from the control device 9, the moving table 8 transfers the requested article 29b.
The lower pallet 5b loaded therewith is carried to the carry-out person's position, and the unprocessed articles 29b are carried out to the processing machine 30a by the carry-out mechanism 10b (the state shown in FIG. 4(a)).

After the unprocessed article 29b is carried out, the moving table 8 selects the upper pallet 5a that accommodates the processed article 29a.

Here, the upper pallet 5a is selected from either the inside of the storage shelf l or the holding mechanism 6a of the support base 7.

Then, the upper pallet 5a selected from among the pallets 5a is moved to the carry-out person's position by the moving platform 8 into the state of a pair of pallets 5 stacked on the lower pallet 5b.

Further, the article 29a processed by the processing machine 30a is carried by the carry-in mechanism 10a and placed on the upper pallet 5a (the state shown in FIG. 4(b)).

Here, the upper pallet 5a that accommodates the processed article 29a
When holding the pallet in the holding mechanism 68 inside the storage shelf 1 again, the upper pallet 5a inside the storage shelf 1 is selected as shown in the figure.

On the other hand, when carrying out the processed article 29a to the next process other than the processing machine 30a, the upper pallet 5a held by the holding mechanism 6a of the support stand 7 is selected;
The processed article 29a is carried into a and held by the holding mechanism 6a of the support stand 7. The processed article 20a is transported to the next process by a crane, conveyor, etc. (not shown).

Even when processing is performed using only one processing machine 30a, a holding mechanism 68 is provided on the support base 7 on the outside of the storage shelf 1, and the lower pallet 5b inside the storage shelf 1 is attached to the processing machine. 30a and for unloading from the storage shelf 1. On the other hand, the upper pallet 5a held by the holding mechanism inside the storage shelf 1 and the upper pallet 5a held by the holding mechanism 6a of the support stand 7. By selectively using it for carrying in the processed article 29a, it can be used for re-housing or for carrying out the next process, and the processed article 29a
can be processed at the same time as processing is completed without any loss of waiting time.

By the way, when processing the article 29b by the processing machine 30a,
It may take more than 1 hour for each item.
9 is 24 pieces, and by securing a storage capacity greater than this, a certain number of processed articles 29a can be stored in the holding mechanism 6a inside this storage shelf 1, and reprocessing by the processing machine 30a is possible. You can also do this.

By arranging in advance a plurality of upper pallets 5a that accommodate the processed articles 29a near the carry-in/out mechanism 10, it is possible to carry out the unloading operation of the unprocessed articles 29b from each column and the processed articles 29a. The storage operations can be performed in parallel, and in particular, the loading and unloading operations can be carried out quickly without any loss of waiting time.

Incidentally, each of the shelf holders 2 inside the storage shelf 1 is configured to accommodate only the lower pallet 5b for storing the unprocessed articles 29b, so that the height of the storage shelf 1 as a whole can be reduced.

In the above embodiment, the case where there is one processing machine has been explained, but by arranging two processing machines in the loading/unloading mechanism 10, the second processing machine can perform the operation described as sending to the next process. It can also be done using .

[Effects of the Invention] According to the present invention, since the holding mechanism for the second pallet that accommodates the processed articles is provided near the loading/unloading mechanism for transporting the processed articles to the processing #a machine, the following effects can be achieved. You can get it.

■Just-in-time forwarding to the next process is now possible.

By having a holding mechanism installed outside the storage shelf hold the second pallet loaded with processed items, the items can be taken out without disassembling the moving table or storage shelf, making it easy to transport to the next process and reducing wasted time. do not have.

2. It has a structure in which a second pallet holding mechanism is provided on the support stand inside the storage shelf and on the support stand outside the storage shelf, so that the processed articles can be carried in selectively to either one, and the work can be carried out easily. Can be diversified.

3. Processing machines or processing equipment can be easily added.

Two or more different types of items can be separated without having to put pallets loaded with items into storage shelves or compare them.
It is now possible to supply and take out products from more than one processing machine or processing device without any time loss.

4. Can process large quantities of the same item.

It is possible to process similar items that cannot be placed on one pallet.

5. Interrupt work can be made easier and more efficient.

It is easy and efficient to urgently process small quantities of articles that are different from those on the separated pallets taken out from storage shelves.

It is easy to temporarily process large quantities of items that are not stored on storage shelves.

6. Good adaptability to factory environment.

Pallets loaded with goods can be placed on and taken out directly from the holding mechanism installed outside the storage shelf, allowing goods to be carried in and out of the storage shelving system from the outside. Even if there are restrictions due to equipment, there is a high degree of freedom in the direction in which items can be carried in and out of the storage shelf device, making it possible to install in locations that were previously impossible.

[Brief explanation of drawings]

FIG. 1(a) is a side view showing the overall configuration of a pallet storage shelf device according to the present invention, and FIG. 1(b) is a first embodiment in which the pallet storage shelf device of the present invention is combined with one processing machine. A top view showing an example, FIGS. 2(a) and (b) are perspective views showing a pair of pallets and a coupling part, and a partial side view, and FIGS. 3(a) and (b) show the holding mechanism 68. The top view, side view, and FIGS. 4(a) and 4(b) are diagrams showing each operating state of the above embodiment. 1. Storage shelf, 2. Shelf support, 3. Elevator mechanism, 4. Transfer mechanism, 5. Pair of pallets, 5
a... Upper pallet, 5b... Lower pallet, 6a...
- Holding mechanism, 7... Support stand, 8... Moving stand, 9...
-Control device, 10... Carrying in/out mechanism, 10a... Carrying out mechanism, 10b... Carrying in mechanism, 12a... Guide rail,
17... Guide portion, 29... Article, 29a... Article after processing, 29b... Article before processing, 30a... Processing machine, 40... Joining part. Patent applicant Norihiro Nishimura, agent/patent attorney for Anritsu Corporation Figure (a) Figure (b) b

Claims (5)

[Claims] (1) A storage shelf having a plurality of vertically arranged shelves for storing pallets on which items are loaded; an elevator mechanism on which the pallets are mounted and moves up and down along the storage shelves; and an elevator mechanism that moves the pallets to the elevator mechanism In a pallet storage shelf device comprising a transfer mechanism for loading and unloading, a holding mechanism for supporting and holding the pallet or a second pallet is provided at the lowest position of the storage shelf, and the elevator mechanism and the holding mechanism a moving table on which the pallet or the second pallet is loaded and moved in order to carry the pallet or the second pallet into and out of the mechanism; and a moving table on which the pallet or the second pallet is loaded and moved; The pallet held by the holding mechanism or the second pallet is stacked on top of the pallet to form a pair of upper and lower pallets on the movable table, and a connecting portion that enables transport to a predetermined position is attached to the pallet. and a pallet storage shelf device provided on the second pallet. (2) Claim 1, wherein the holding mechanism is provided outside the storage shelf.
The pallet storage shelving device described. (3) The pallet storage shelf device according to claim 1 or 2, wherein the holding mechanism is provided with a guide portion for correctly holding the pallet in a predetermined position. (4) a loading/unloading mechanism for loading and unloading items from the pair of pallets moved outside the storage shelf or the single pallet, and loading/unloading mechanisms on both sides of the loading/unloading mechanism; The pallet storage shelf device according to claim 1, claim 2, or claim 3, further comprising a holding mechanism. (5) The pallet storage shelf device according to claim 4, wherein the loading/unloading mechanism is divided into a loading mechanism and a loading mechanism, and operates separately.