JP3658181B2 - Automatic restocking system for automatic warehouse - Google Patents

Description

[0001]
[Industrial application fields]
In an automatic warehouse that stores coils in which coil information such as a lot number, steel type, and weight is managed by an inventory management personal computer, the present invention re-creates the original shelf again after processing the delivered coils for the required weight on the processing line. It relates to an automatic re-receipt system for warehousing.
[0002]
[Prior art]
In an automatic warehouse that stores and manages the coils loaded on the pallet (hereinafter referred to as “pallet loaded coils”), the coil that has been unloaded is processed according to the unloading instruction from the inventory management PC, and the remaining coil is returned to the original shelf. A conventional method for warehousing will be described with reference to FIGS.
First, the inventory management personal computer searches for and allocates pallet loading coils set for delivery such as a lot number, steel type, and weight, and creates a transport instruction for the equipment in a work file. At this time, the inventory management personal computer stores the shelf position from which the above-described pallet loading coil is conveyed in the work file.
Next, the stacker crane conveys the pallet loading coil from the instructed shelf position to the designated exit port in accordance with the conveyance instruction from the inventory management personal computer, and transmits the completion of conveyance to the inventory management personal computer after completion of the conveyance.
The inventory management personal computer that has received the completion of conveyance from the stacker crane transmits a conveyance instruction to the unloading cart to the loading yard. The unloading cart that has received the transport instruction transports the aforementioned pallet loading coil to the loading site, and after the transport is completed, transmits an arrival signal to the inventory management personal computer.
Next, the worker uses the other equipment such as an overhead crane to transfer only the coil from the pallet loading coil to the processing line from the trolley that has arrived at the unloading yard. At this time, the worker presses a work completion button to notify the inventory management personal computer that the coil has been delivered.
[0003]
The inventory management personal computer that has received the arrival signal and the work completion button signal transmits a transport instruction from the loading place to the delivery port to the delivery cart. The unloading cart that has received the transport instruction transports the pallet from the loading place to the unloading port, and after the transport is completed, transmits the transport completion to the inventory management PC.
The inventory management personal computer that has received the completion of conveyance from the delivery cart transmits a conveyance instruction to the shelf position stored in the above-described work file to the stacker crane. The stacker crane that has received the transport instruction transports the pallet to the original shelf position, and after the transport is completed, transmits the transport completion to the inventory management personal computer. The inventory management personal computer that has received the transfer completion updates the inventory information at the aforementioned shelf position.
When the coil remaining after processing on the processing line (hereinafter referred to as “remaining coil”) is re-entered in the automatic warehouse, the overhead coil is placed on a weighing machine and the weight is measured. After entering the inventory setting to input the shelf position number and lot number, steel type, and weight to be received, and using the overhead crane to transfer to the delivery cart, the coil is received according to the control flow diagram shown in FIG. I was going. In addition, since the flow at the time of warehousing and the flow at the time of warehousing are the same for the inventory management personal computer processing and the operation of the equipment, description thereof will be omitted.
[0004]
[Problems to be solved by the invention]
In the conventional technology, weighing work was performed using other equipment such as an overhead crane, and storage settings of the shelf number, steel type, lot number, and weight were set from the inventory management PC, both of which are cumbersome and time-consuming. There was a problem.
Therefore, the problems to be solved by the present invention are as follows.
(1) When weighing out the delivered coil, the labor of weighing using other equipment such as an overhead crane is saved, saving labor and improving work efficiency.
(2) When re-stocking a coil that has been unloaded, it eliminates the trouble of setting the storage bin, steel grade, and lot number / weight from the inventory management PC, eliminates operator errors due to manual input by the operator, and builds an automatic re-stocking system To do.
[0005]
[Means for Solving the Problems]
In order to solve the above-described problems, an automatic re-entry system for an automatic warehouse according to the present invention is a coil re-entry system that issues goods from an automatic warehouse in accordance with an instruction of an inventory management personal computer that manages coil information such as a lot number, steel type, and weight. , Means for automatically transporting the coil delivered from the shelf in the automatic warehouse to the processing line, means for automatically weighing the coil after processing the required weight in the processing line, and the original shelf after being automatically weighed Means for automatically re-stocking the coil, and carrying the tracking of the coil with the inventory management PC, and when there is a return of the coil, the weight of the coil to be re-stocked is automatically updated. No warehousing settings such as number and weight are made.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to an embodiment shown in the drawings.
FIG. 1 is a system configuration diagram showing an embodiment of an automatic re-entry system.
FIG. 2 is a control flowchart showing an embodiment of the automatic re-entry system.
FIG. 3 is an overall layout diagram showing an embodiment of the present invention.
[0007]
1, 2, and 3, 1 is an automatic warehouse for storing a coil (hereinafter referred to as “conveyed object A”) placed on a pallet, 2 is inventory management in the automatic warehouse, a storage cart, a delivery cart, a return cart, Inventory management PC that sends transfer instructions to the stacker crane, 3 is a storage cart that moves between the automatic warehouse and the receiving workshop, 4 is a processing line that processes the coil by the required weight, and 5 is between the automatic warehouse and the coil transfer equipment Unloading cart, 6 weighs unprocessed material to be processed, 1 returns cart that moves between coil transfer equipment and automatic warehouse, 7 stacker crane, 8 transports between unloading cart and return cart and processing line Coil transporting equipment for transporting the object A, 9 is a weighing machine, 10 is a shipping port, 11 is a shipping cart HP (home position), 12 is a returning cart HP, and 13 is a shipping port.
[0008]
First, the inventory management personal computer 2 searches for and reserves the coil set for delivery. When the shelf position storing the transported object 1 set to be delivered is allocated, the inventory management personal computer 2 transmits a transport instruction to the stacker crane 7. The stacker crane 7 that has received the transport instruction moves to the instructed shelf position, scoops the conveyed product A from the shelf, and when the instructed exit port transfer condition of the instructed exit port 10 is satisfied, the stacker crane 7 Lower the conveyed product A. The inventory management personal computer 2 that has received the completion of conveyance updates the tracking of the conveyed item A to be delivered on the delivery port 10. Thereafter, the stacker crane 7 waits for the next conveyance instruction.
[0009]
Next, the inventory management personal computer 2 that has received the above-described transfer completion from the stacker crane 7 transmits a transfer instruction to the delivery cart 5. The delivery cart 5 that has received the transport instruction moves from the delivery cart standby position (hereinafter referred to as the delivery cart HP) 11 to the delivery port 10, scoops the transported item A at the exit port 10, and returns to the delivery cart HP 11. Is sent to the delivery cart HP11, and an arrival signal is transmitted to the inventory management personal computer 2 when the lowering operation is completed. The inventory management personal computer 2 that has received the arrival signal from the delivery cart 5 updates the tracking of the delivered product A on the delivery cart HP11.
[0010]
Next, the inventory management personal computer 2 transmits a delivery instruction from the delivery cart HP 11 to the coil delivery facility 8 to the delivery cart 5. The unloading cart 5 scoops the conveyed product A and lowers the conveyed product A to the coil conveying facility 8 when the transfer OK condition of the coil conveying facility 8 is satisfied.
Thereafter, the process returns to the delivery cart HP11, and the transfer completion is transmitted to the inventory management personal computer 2. The inventory management personal computer 2 that has received the transfer completion from the delivery cart 5 updates the tracking of the transfer object A on the coil transfer facility 8. Thereafter, the delivery cart 5 waits for the next conveyance instruction. In addition, the coil conveyance facility 8 conveys the conveyed product A to the processing line 4.
[0011]
A conveyed product A or a pallet without a coil (hereinafter referred to as a pallet) processed by the processing line 4 by a necessary weight is conveyed from the coil conveying facility 8 to the return carriage transfer position. At this time, whether or not the coil is returned is detected by a light emitting / receiving sensor (hereinafter referred to as coil return detection), and the detection result is transmitted to the inventory management personal computer 2. The inventory management personal computer 2 stores the detection result.
Next, the inventory management personal computer that has received the arrival of the coil transport facility 8 at the return cart transfer position transmits a transport instruction to the return cart 6. The return cart 6 that has received the transport instruction moves from the return cart stand-by position 12 (hereinafter referred to as the return cart HP) to the return cart transfer position, and the conveyed item A or pallet is moved at the return cart transfer position. Scoop. Next, the process returns to the return cart HP 12, and once the transported object 1 or pallet is lowered to the return cart HP 12, an arrival signal is transmitted to the inventory management personal computer 2.
[0012]
The inventory management personal computer 2 that has received the arrival signal from the return cart updates the tracking of the conveyed item A or pallet to be returned on the return cart HP12. Here, a weighing machine is installed in the return cart HP12 so that the weight of the conveyed product A can be measured.
The inventory management personal computer 2 storing the coil return detected by the above-described coil return detection takes in the weighing data of the transported object A weighed by the return cart HP12, and subtracts the previously stored pallet weight from the weighing data. This value is stored as the weight of the coil to be returned. If it is memorized that there is no coil return, the weight is not memorized.
The inventory management personal computer 2 that has received the arrival at the return cart HP 12 transmits a conveyance instruction from the return cart HP 12 to the return port 13 to the return cart 6. When the condition for the transfer OK of the return port 13 is satisfied, the return cart 6 scoops the conveyed product A or pallet, returns it to the return port 13 and returns to the return cart HP 12 to complete the transfer of the inventory management PC. 2 to send. The inventory management personal computer 2 that has received the completion of conveyance from the return cart 6 updates the tracking of the conveyed item A or pallet on the return port 13. Thereafter, the return cart 6 waits for the next conveyance instruction.
[0013]
The inventory management personal computer 2 that has received that the conveyed product A or the pallet has been conveyed to the return port 13 transmits a conveyance instruction to the stacker crane 7. At this time, the designated shelf position is the shelf position stored in the work file. The stacker crane 7 that has received the conveyance instruction scoops the conveyed product A or pallet from the instructed return port 13 and conveys it to the shelf position where the conveyed item A was originally stored. This can be realized by storing on the inventory management personal computer 2 the tracking of the delivered object A and the shelf position of the delivery.
The stacker crane 7 lowers the conveyed product A or pallet to the designated original shelf position and transmits the completion of conveyance to the inventory management personal computer 2. The inventory management personal computer 2 that has received the completion of conveyance updates the inventory data of the returned conveyance A.
[0014]
According to the above-described embodiment, the inventory management PC 2 keeps track of the delivered coil, and the weighing machine 9 is set on the return cart 6 to return the inventory from the inventory management PC 2 upon return. It is possible to save the labor of setting and the labor of weighing using other equipment such as an overhead crane.
In addition, an effect equivalent to the above can also be obtained when the return cart with a weighing machine performs weighing during transportation.
[0015]
【The invention's effect】
As described above, according to the present invention, the inventory management personal computer is used to carry out tracking tracking of the coil delivered from the automatic warehouse and automatically update the weight data of the coil to be re-entered. Therefore, the coil after processing can be automatically re-stocked without setting the stocking such as the shelf number and weight.
Furthermore, the return cart with lifter mechanism automatically transports to the weighing station and performs weighing, which saves labor of weighing work using other equipment such as overhead cranes. Efficiency can be improved.
[Brief description of the drawings]
FIG. 1 is a system configuration diagram showing an embodiment of an automatic re-entry system according to the present invention.
FIG. 2 is a control flow diagram showing an embodiment of the automatic re-entry system of the present invention.
FIG. 3 is an overall layout diagram showing an embodiment of an automatic re-entry system according to the present invention.
FIG. 4 is a system configuration diagram showing a conventional example of a re-entry system.
FIG. 5 is a control flow diagram showing a conventional example of a re-entry system.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Automatic warehouse 2 Inventory management personal computer 3 Entry cart 4 Processing line 5 Delivery cart 6 Return cart 7 Stacker crane 8 Coil conveyance equipment 9 Weighing machine 10 Exit 11 Delivery cart HP
12 Return cart HP
13 Return port

Claims (1)

In the coil re-entry system that leaves the automatic warehouse according to the instructions of the inventory management personal computer that manages the coil information such as lot number, steel type, weight, etc., means for automatically transferring the coil delivered from the shelf in the automatic warehouse to the processing line And a means for automatically weighing the coil after being processed by the processing line by the required weight, and a means for automatically weighing and re-stocking the original coil and then re-stocking the coil. Automatic re-entry, characterized by the fact that the coil weight to be re-stocked is automatically updated when the coil is returned, and the inventory settings such as the shelf number and weight are not set from the inventory management computer. system.

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