JP3164088B2 - Work supply and removal material device and work supply and removal method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work supply / discharge material apparatus which takes in a work and discharges a processed work when an equipment machine in a manufacturing industry is lined up.

[0002]

2. Description of the Related Art FIGS. 8 (a), 8 (b), 9
This will be described with reference to (a) and (b).

[0003] First, the operation of the workpiece supply and removal device will be briefly described.

In the present invention, the description will be made assuming that the maximum number of works entering the magazine is four. FIG. 8A,
(B) is a schematic sectional view showing a configuration of a conventional work supply and removal material device.

In FIG. 8 (a), when a magazine (hereinafter, referred to as a full magazine) 80a containing a work 81 is placed on an upper stage, and automatic operation is started, the full magazine is reduced to one. Pieces are placed on the elevator 82a. The work contained in the magazine on the elevator 82a is sent out to the main unit 88b one by one in response to a work request signal from the main unit 88b. Each time one sheet is fed, the elevator 82a descends by one pitch.

When the work 81 in the magazine 80a becomes empty, the magazine 80a is stocked in the lower stage as shown in FIG.

In FIG. 8A, the material to be removed is a magazine that does not contain a work at the lower stage (hereinafter, referred to as an empty magazine).
When 80b is loaded and automatic operation starts, empty magazine
It is put on the individual elevator 82b. When a work enters the magazine 80b on the elevator 82b from the main body device, when the work is detected by the work detection sensor 86, the elevator 82b is raised by one pitch.

When the work in the magazine 82b becomes full, the magazine 82b is stocked in the upper stage as shown in FIG.

FIG. 8A shows a state in which a magazine is placed on an elevator 82a for supplying materials, and one workpiece flows from the magazine 80a. On the material removing side, the work that has flowed from the material supply is stored in a single magazine 80b. In this example, the supply / removal material is configured such that three full magazines and three empty magazines can be stocked.
In addition, the transfer of the work between the supply and removal materials naturally goes through the main body device 88b.

FIG. 8 (b) shows a state in which workpieces are successively taken out of FIG. 8 (a), stored, and the processing of the workpieces of the three magazines 80a is completed. As for the material, the work of the filled magazine has been discharged, and the empty magazine has been stocked in the lower stage. Work pieces are stored in empty magazines and are stocked in the upper row as full magazines.

FIG. 9A is a flowchart showing the operation of the material supply in FIGS. 8A and 8B. FIG.
FIG. 8B is a flowchart showing the operation of material removal in FIGS. 8A and 8B.

As can be seen from this example, the conventional work supply / discharge material only discharges / stores the work but does not calculate the number of work pieces / magazine number. For this reason, if only three workpieces are contained in the magazine for supply, the magazine cannot be replaced unless the number of materials to be removed becomes four, so the number of workpieces in the magazine for supply is three.
In the case of one sheet, two sheets, and one sheet, the number of magazines supplied for supply and the number of magazines stored for removal do not match.

[0013]

FIG. 8 (a), FIG. 8 (b), FIG.
In the configuration shown in FIGS. 9A and 9B, if the first, third, second, second, and third work pieces are contained in the supply magazine, the removal of the material takes place. The number is the first four / second three. Although the material is supplied in three magazines, the material is stored in two magazines when the material is removed.

[0014] In this case, for example, when the lots are different between magazines, the lots are mixed, and after the magazine is taken out from the material removing device, it is necessary to manually sort the two magazines into three. Becomes

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has as its object to eliminate this drawback, and to remove magazines by the same number of workpieces in the supplied magazine. It is intended to provide a work supply / removal material device capable of storing a work therein.

[0016]

According to the work supply and removal apparatus of the present invention, a predetermined number of works can be stored on the supply side and the removal side.
A plurality of magazines flowing between processes, a workpiece feeding and removing apparatus in which the workpiece is transferred between one magazine on the feeding side and one magazine on the removing side,
Means for adding or removing the workpiece between the material supply side and the material removal side, a memory for storing the number of workpieces sent from one magazine on the material supply side, and one magazine on the material removal side The number of works stored in the memory, the number of works stored in the memory, the number of works counted by the number of stored counter, and the number of added or removed works are compared. The number of works stored in the magazine, the number of works stored in the memory, the number of works counted by the stored number counter, and Or the number of extracted workpieces,
The storing of the work in the one magazine on the material removal side is terminated according to the comparison result.

In the method of feeding and removing a workpiece according to the present invention, a plurality of workpieces flowing between processes capable of accommodating a predetermined number of workpieces are provided on a material supply side and a material removal side.
A method of feeding and receiving the work between the one magazine on the material supply side and the one magazine on the material removal side, using the magazine of (1), wherein the material supply side and the material removal side are The number of workpieces sent from one magazine on the material supply side and the number of workpieces stored in one magazine on the material removal side,
The number of the added or removed workpieces is compared, and the storing of the workpieces into one magazine on the material removing side is terminated according to the comparison result.

[0018]

[0019]

FIG. 1 (c) shows an example of the construction of a workpiece supply / discharge material apparatus for realizing the present invention.

What has been added to the conventional configuration are the magazine detection sensors 15a, 15b and 15c and the work presence sensor 16 in the magazine. The operation and the operation method can be performed in the same manner as in the related art.

The operation of the material supply will be described.

In the supply, the number of magazines supplied at one time is counted (FIG. 2A). Next, each time one work is fed, the fact that one work has been fed is notified to the material removal (FIG. 2B). Then, at the time when one magazine ends, the material removal is notified that one magazine has ended (FIG. 2C). Finally, when the magazines have been processed by the number of magazines supplied at one time, the end of one lot is notified to the material removal (FIG. 2D).

FIG. 3A is a block diagram showing the operation of the material supply. FIG. 3B is an example of a time chart of a signal from material supply to material removal.

Next, the operation of the material removal will be described.

There are roughly two types of operations in material removal. The first method is to receive data from the supply and store it in memory. The number of sheets fed out is counted based on the feed signal from the sheet feeding (FIG. 4).
(A)). In response to a one-magazine end signal from the supply, the number of supply-per-magazine feeds is determined and stored in the memory. Then, the number of magazines that have been processed by the supply is counted (FIG. 4B). The number of processed magazines in one lot of the supply material is determined based on the one lot end signal from the supply material and is stored in the memory (FIG. 4C).

The second method is to count the number of workpieces that have entered the material removal and replace the magazine when the number of workpieces reaches the same number as the material supply.

By storing the work in the magazine, the number of removed materials is counted (FIG. 4D). The number of supplied materials and the number of stored removed materials are compared, and if they match, the magazine is replaced (FIG. 4E). Compared with the number of processed magazines of the supplied material, if the numbers match, a sequence for finishing one lot is performed (FIG. 4 (f)).

FIG. 5 is an operation block diagram of the material removing apparatus according to the present invention.

By performing the above, FIGS. 6 (a) to 6 (d)
As shown in the figure, if four magazines are contained in the magazine on the material supply side, four magazines are stored on the material removal side. If the number is three, the number is three, and if the number is two, the number is two.

FIGS. 7A to 7D show the number of magazines for each lot. For example, if the supply is three magazines and one lot, the removed materials are also discharged as three magazines and one lot.
5A to 5D, the left side is the material supply side, and the right side is the material removal side. Then, the magazine 10a moves from left to right.

Here, when the process is carried out in one lot of 3 magazines on the material removing side, for example, the material was supplied in a configuration in which two magazines contained a work and another magazine contained no work. In some cases, one magazine can be removed without inserting a work.
By doing so, the magazines flowing in the process can be easily flowed as one lot of three magazines at any time, and the management of the magazines becomes easy. In particular, when the work is heavy, it can be easily flowed in the same lot and in the same lot configuration in any process.

Also, since the material removing apparatus can recognize the lot configuration, the number of works entering each magazine and the total number of works in one lot can be displayed on the material removing apparatus at the end of one lot. Becomes If the number is transferred to the flow slip of the process, the entry of the flow slip becomes easy and accurate. When the number of works in each magazine and the total number of works in one lot are sent to the host computer, computer-managed processes can be realized.

Further, as shown in FIG. 1B, the signal format between the material supply and the material removal is arranged and the main unit 8 is arranged.
b is also configured to allow the exchange of the signal. In this case, in the work supply / removal device of the present invention, in the supply device 8a, the in-magazine work detection sensor 3a, the number-of-work-in-magazine detection means 3b obtained by the sensor 3a, the main body device 8
The number of works in magazine transmission means 3c for transmitting the number of works in magazine to the material removing device 8c through b. On the other hand, the material removing device 8c is provided with the work number receiving means 5 in the magazine.
a, the number of workpieces in the magazine on the material supply side that has passed from the material supply device 8a to the main body device 8b, or
b receives the signal of the number of workpieces to be added or removed from
The number of works stored in the magazine on the material supply side, the number of works stored in the magazine on the material removal side, addition of work,
Alternatively, it is composed of a mechanical operation actuator for performing a mechanical operation based on the result of the calculation by comparing the number of extracted sheets and a work number / total number display for displaying. That is,
If a signal indicating that the number of workpieces is added to or removed from the main unit from the main unit is added to the process, the unit will be defective. You can signal a decrease. With this signal, the magazine can be automatically exchanged without any manual operation even if the removed material is defectively dropped.

The addition and withdrawal of the workpiece is performed by feeding, removing,
Since any number of parts can be attached to any part of the main unit, it is not necessary for a person to move the process unnecessarily to adjust the number of workpieces, and the process can be performed quickly.

[0035]

According to the present invention, the same number of magazines can be delivered from the magazine for supply to the magazine for removal. Even if the magazine is not full of material from the material supply device, the material removal device will remove the same number of materials as the material supply device, so there is no need to manually replace the magazine because a person is attached to the material removal device. . The removing machine can be operated fully automatically, and a line of labor saving can be realized.

Since a work can be added or removed between the material supply side and the material removal side, a work that has become defective due to processing can be removed immediately after processing, and the defective work can be removed thereafter. It is possible to prevent the process from flowing. Therefore, useless manufacturing costs can be reduced. Further, since the workpiece is removed in consideration of the increase or decrease in the number of workpieces due to addition or removal of the workpiece, the workpiece can be delivered and received with the same number of magazines on the supply side and the removal side. Therefore, even when a workpiece is added or withdrawn, there is no need for a person to change the magazine on the removing side, and the production line is automated, so that the production efficiency can be significantly improved.

From the beginning of the step of feeding raw materials to the final step of completing a product, the same number of magazines can be flowed in one lot at all times. For this reason, the same number of magazines always flows in the factory according to the production quantity, so that it is possible to easily manage the number of magazines and the identification of the magazines which magazines are used.

For example, consider the exchange of magazines between step A and step B.

The work goes to the B step after the A step. A
The work completed from the material removing device in the process is sent to the material supplying device in the next process B.

A charged magazine containing works flows from the material removed in the step A to the material supplied in the step B. The empty magazine that has been supplied in the step B is returned to the material removal in the step A.

By repeating this process, the magazine between the material removed in the process A and the material supplied in the process B is 3 + 3 =
If there are 6 magazines and 3 magazines for the material supply in the B process, that is, 9 magazines in total, the work can be flowed from the upstream process to the downstream process without a break.

Since the number of magazines in each lot is constant, the management of the number of lots is simplified.
Since a fixed number of magazines can be handled for one lot, the number of lots flowing in the factory can be easily managed.

[Brief description of the drawings]

FIGS. 1A, 1B, and 1C are block diagrams showing a configuration of a workpiece supply and removal device of the present invention.

FIGS. 2A, 2B, 2C, and 2D are operation flowcharts on the side of the material supply device according to the present invention.

FIG. 3A is an operation block diagram on the side of a material supply device according to the present invention. (B) is a figure showing a time chart of an example of a signal from material supply to material removal.

FIG. 4 shows (a), (b), (c), (d), (e),
(F) is a diagram showing an operation flowchart on the material removing device side in the present invention.

FIG. 5 is an operation block diagram of the material removing apparatus according to the present invention.

FIGS. 6A, 6B, 6C, and 6D are diagrams showing the transition of the magazines of the material supply and the material removing device when the number of magazines is managed.

FIGS. 7A, 7B, 7C, and 7D are diagrams showing transition of a supply-side and a removal-side lot when lot number management between lots is performed.

FIGS. 8A and 8B are explanatory diagrams of a mechanical configuration of a conventional workpiece supply device.

9 (a) and 9 (b) are diagrams showing an operation flowchart of a conventional work supply and removal material device.

[Explanation of symbols]

1. Communication path for number of works in magazine 1a. Supply side communication path for the number of works in the magazine 1b. 1. Material removal communication path for the number of workpieces in the magazine. Number of magazines / number of magazines per lot Communication path 2a. Number of magazines / number of magazines per lot Supply side of communication path 2b. Number of magazines / number of magazines per lot Material removal side of communication path 3a. Workpiece detection sensor in magazine 3b. Means for detecting the number of works in a magazine 3c. Means for transmitting the number of works in a magazine 4a. Magazine detection sensor 4b. Magazine number detecting means 4c. Magazine number transmission means 5a. Workpiece number receiving means in magazine 5b. Means for calculating and comparing the number of works stored in a magazine 6a. Magazine number receiving means 6b. 6. Magazine number per lot calculation comparison means Actuator for machine operation, work number / total number display 8a. Feeding device 8b. Main unit 8c. Material removal device 10a. Magazine 10b. 10. Show the magazine that was in this place before moving on to the elevator Work 12. Elevator 13. Elevator vertical mechanism 14. Elevator vertical drive 15a. 15b. 15c. Magazine detection sensor 16. Workpiece in magazine detection sensor 17a. 17b. 17c. Magazine detection sensor 18a. Feeding device 18b. Main unit 18c. Material removal device 80a. Magazine 80b. Show the magazine that was in this place before moving on to the elevator Work 82. Elevator 83. Elevator vertical mechanism 84. Elevator vertical drive 86. Workpiece-in-magazine detection sensor 88a. Feeding device 88b. Main unit 88c. Material removal equipment

Claims (2)

(57) [Claims] 1. A magazine between the supply side and the removal side using a plurality of magazines flowing between processes capable of storing a predetermined number of workpieces on the supply side and the removal side. A work supply / discharge material apparatus in which delivery of the work is performed, a means for adding or extracting the work between the material supply side and the material removal side; and A memory for storing the number of works sent out, a stored number counter for counting the number of works stored in one magazine on the material removing side, a number of works stored in the memory, and counted by the stored number counter A magazine for comparing the number of workpieces and the number of workpieces added or withdrawn from the magazine; and The number of works stored in the memory, the number of works counted by the stored number counter, and the number of added or removed works are compared, and according to the comparison result, A work supply / removal material device, wherein the storage of the work in one magazine is terminated. 2. A method according to claim 1, wherein a plurality of magazines flowing between processes capable of accommodating a predetermined number of workpieces on the material supply side and the material removal side are used to connect between the one magazine on the material supply side and the one magazine on the material removal side. In the work supply and delivery method in which delivery of the work is performed, the addition of the work between the material supply side and the material removal side,
Alternatively, the work is sent out from one magazine on the material supply side,
The number of workpieces stored in one magazine on the material removal side is compared with the number of added or removed workpieces, and the number of workpieces in one magazine on the material removal side is determined according to the comparison result. A method of feeding and removing a workpiece, wherein the storing of the workpiece is terminated.