JPH01172103A - Carry-in and out method for ware house - Google Patents

Abstract

PURPOSE:To reduce labor and time for transhipment by controlling conveying lines for a housing station and a loading/unloading station in such a way that pallets from the both stations arrive at a work station approximately at the same time. CONSTITUTION:When a pallet W2 is unloaded from a truck, cargo receiving information is inputted into a control function section 7 by means of an auto matic input of an image sensor 23 or the input of a key board 24. Then, alloca tion for a pallet W1 within a housing station 2 is provided so that the allocated pallet W1 is conveyed to a work station 6 via a stacker crane 11, an aisle conveyor 10, No.1 loop conveyor line 4 and a receiving/issuing line 16. On the other hand, the unloaded pallet W2 is also conveyed by means of a conveyor 13, No.2 loop conveyor line 5 and a conveyor 19 so as to arrive at the work station 6 approximately at the same time. Thus, labor and time for transhipment can thereby be reduced.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a warehouse loading/unloading method.

Among warehouses such as conventional technical parts warehouses, so-called automated warehouses are known that have a storage station equipped with an aisle conveyor, an auto stack crane, etc. within a warehouse building.

Problems to be solved by the invention When loading and unloading items, it is important to
A large number of pallets for unloading are placed side by side on a flat field in front of the storage station, and workers match the pallets according to instructions created based on the storage/unloading information, which saves a lot of preparation for reloading goods. This requires a lot of effort and time.

Means for Solving the Problems A first . A second loop transport line is provided, and pallets are transported from the storage station via the first loop transport line based on the arrival information at the loading/unloading station, and from the loading/unloading station via the second loop transport line. and the pallet to be transported. They arrive at the work station located between the second loop conveyance lines at approximately the same time.

Example Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

In FIG. 1, 1 indicates a warehouse building, which roughly includes a storage station 2, a loading/unloading station 3, a first loop conveyance line 4, a second loop conveyance line 5, and a plurality of work stations. It includes a station 6 and a control function section 7. A plurality of aisle conveyors 10 and a plurality of auto stack cranes II are installed on the installation floor of the storage station 2, and shelves 12 are installed on the installation floor between the auto stack clays 211 behind the aisle conveyor IO. is being constructed. The loading/unloading station 3 is disposed in front of the storage station 2, that is, in the front of the warehouse building 1, and includes a loading conveyor 13 and an unloading conveyor 14.

The first loop conveyance line 4 and the second loop conveyance line 5 are arranged facing each other on the installation floor between the storage station 2 and the loading/unloading station 3. These first. The second loop conveyance lines 4 and 5 have a structure in which conveyors 15 and 16 are moved in a desired direction by a motor (not shown). The plurality of work stations 6 are the first
．． The second loop conveyance line 4.5 is provided on the installation floor between the first and second loop conveyance lines 4.5. They are arranged in parallel and spaced apart in the transport direction indicated by the arrow of the second loop transport line 4.5. Each work station 6
Input/output lines 16 and 17 are provided on the installation floor between the first loop transfer line 4 and the first loop transfer line 4, and between each work station 6 and the second loop transfer line 5. These loading and unloading lines 16, 17 run from the work station 6 to the first. A conveyor 18 conveys the pallet W toward the second loop conveyance line 4.5, and a conveyor 18 conveys the pallet W toward the second loop conveyance line 4.5. From the second loop conveyor line 4.5 to the work station 6/
(The conveyor 19 and the conveyor 19 that convey L/lot W are formed. 20 is the population of the conveyor entrance and the aisle conveyor 10 in the loading and unloading lines 16 and 17 in the first and second loop conveying lines 4.5, These are dispensing devices disposed at respective portions corresponding to the entrance of the unloading conveyor 14. Reference numerals 21 and 22 denote the first and second loop conveyance lines 4.
A direct warehousing line and a direct warehousing line are constructed across 5. In addition, the control function section 7 is composed of a computer in this embodiment, and is
The unloading station 3 is equipped with a human-powered device such as an image sensor 23 or a keyboard 24, and based on the warehousing information inputted by this input device, the information is transferred from the storage station 2 via the first loop conveyance line 4. Pallet W being transported and loading/
The pallets W transported from the unloading stage tank 3 via the second loop transport line 5 are made to arrive at any one of the plurality of work stations 6 at approximately the same time. Specifically, the computer constituting the control function section 7 uses various information such as arrival information, shipping information, the pallet storage status of the storage station 2, the number of items per pallet stored in the storage station 2, and the types of items. , Aisle Conveyor 10.
Auto stack crane 11. The payout device 20 and the like are adaptively controlled. Note that the arrows in the figure indicate the transport direction at each station.

Here, the operation of the structure of the above-mentioned embodiment will be explained assuming that, for example, items transported by a truck (load carrier) are brought in.

When the truck arrives at the loading/unloading station 3 and the pallet W containing the items sorted by type is unloaded onto the loading/unloading station 3, it is automatically read by the image sensor 23 or by the keyboard 24. Due to the manual input, the arrival information of the items, that is, the number and type of the items, is input to the control function unit 7, while the control function unit 7
Depending on the output from the storage station 2, a pallet W in the storage station 2 that can accommodate the incoming items is allocated. Then, the assigned pallet W is moved to the auto stack crane 11 by a command from the control function section 7. Aisle conveyor 10. The first loop conveyance line 43 people are transported sequentially through the conveyor I9 of the delivery line 16 to a desired one of the plurality of work stations 6I, while the goods are stored at the loading/unloading station 3. The loaded pallet W is loaded onto the loading conveyor 13. 2nd loop conveyance line5. They are transported to the aforementioned work station 6 via the conveyor 19 of the loading/unloading line 17 in sequence. At this time, the control function unit 7 determines the time required for moving the pallet WI from the storage station 2 to the work station 6°. and the required time t for pallet W from the loading/unloading station 3 to work station 61, and determine the time to start transferring pallet W based on the required time t for pallet W. The pallets W1°W arrive at one work station 6 at approximately the same time.

Then, at the work station where the pallets W,, W, arrive at almost the same time, the worker transfers the goods from the pallet W to the pallet W, and then transfers the pallet W1 to the conveyor 18 of the loading/unloading line 16. They are transferred to the conveyor I8 of the loading/unloading line I7. Then, contrary to the above, this pallet W1 is transferred to the first loop conveyance line 4.
．． Auto stack crane 1 via aisle conveyor lO
1, it is carried to a predetermined shelf 12 and stored. On the other hand, the empty pallet W is conveyed to the loading/unloading station 3 via the second loop conveyance line 5° and the unloading conveyor I4.

During this series of operations, the control function unit 7 adds the number of newly stocked items to the pallet W1 and stores how many items can be stored on this pallet W1. Of course.

Further, when the number of items transported by the truck is one pallet W, the control function unit 7 determines this and the fully loaded pallet W is transferred to the loading conveyor 13. 2nd loop conveyance line5. Direct warehousing line 21. 1st loop conveyance line4. The aisle conveyor 10 is successively traversed and the required shelves 12 are installed using the auto stack crane II.
is stored in In this case, the number of fully loaded pallets W is added and recorded in the control function section 7.

Effects of the Invention As described above, according to the present invention, the pallet conveyed from the storage station and the pallet conveyed from the loading/unloading station automatically arrive at one work station almost simultaneously. , it is possible to carry out reloading work with less labor and in a shorter time.

Moreover, as in the embodiment, by configuring the control function section with a computer and storing the stored quantities and types of items, the automated warehouse can be managed efficiently with fewer people. It has a new effect.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view showing an embodiment of the present invention with a part of the warehouse building removed. 2... Storage station, 3... Loading/unloading station, 4... First loop conveyance line, 5... Second loop conveyance line, 7... Control function unit. 2 people outside

Claims (1)

[Claims] First and second loop conveyance lines are provided between the storage station and the loading/unloading station, and are arranged to face each other. The pallet transported via the loading/unloading station and the pallet transported via the second loop transport line from the loading/unloading station arrive at the work station located between the first and second loop transport lines at approximately the same time. A warehouse loading/unloading method characterized by: