JP2700588B2 - Picking method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for picking articles.

[0002]

2. Description of the Related Art FIG. 6 is a schematic diagram showing a conventional picking method in an article storage facility having an automatic warehouse 1 and a storage shelf 2. In this article storage facility, a plurality of kinds of articles 3 carried in by the truck 4A are stored in the storage port 1 in pallet units.
A enters the automatic warehouse 1 from A, and thereafter, the articles 3 are ejected from the exit 1B of the automatic warehouse 1, and the ejected articles 3 are temporarily stored in the shelves corresponding to the respective types of the storage shelves 2 in packing units. . Then, the article 3 temporarily stored in the storage shelf 2
Is distributed from the storage shelf 2 to a predetermined packing place 5 among a plurality of packing places (berths) 5 by a predetermined specific number of shipments, and is delivered from each packing place 5 by a truck 4B. It is carried out.

[0003] In accordance with the picking instruction list 6 as shown in FIG. 7, the worker takes out the article 3 from the automatic warehouse 1, temporarily stores the article 3 in the storage shelf 2, and stores the article in the storage shelf 2.
The distribution of the articles 3 to the packing place 5 is performed according to the following work flow. The picking instruction list 6 is shown in FIG.
As shown in the figure, a column for the type, a column for the number of remaining articles in the shelf before and after picking in the storage shelf 2, a column for a shelf corresponding to the type, a column for the number of pallets to be shipped from the automatic warehouse 1, and a list for all of the packing facilities 5 for the type. A column for the total number of shipments and a column for the number of shipments of the article of the kind to each of the packing stations 5 are provided.

[0004] Articles of the kind specified in the picking instruction list 6 are taken out of the specified shelf, and the specified total number of shipments is taken out and placed on the cart 7.

The above is repeated for a plurality of types until the cart 7 is full. Articles of a specified type are distributed to each packing station 5 by a specified number of shipments.

[0006] In the above, when there is no remaining product in the shelf of the storage shelf 2 for a certain product type, the picking is interrupted, the product of the type product is discharged from the automatic warehouse 1 to one pallet, and is stored in the corresponding shelf of the storage shelf 2. refill. After the replenishment, picking from the storage shelf 2 is restarted.

[0007]

However, according to the prior art, the replenishment of the articles 3 to the storage shelf 2 is performed only when there is no remaining article in the shelf of the article of the type during picking. Therefore, during the replenishment operation, the picking must be interrupted, and the productivity of the picking is reduced.

An object of the present invention is to make it possible to replenish articles on a storage shelf without interrupting picking, thereby improving picking productivity.

[0009]

According to a first aspect of the present invention, a plurality of types of articles to be unloaded from an automatic warehouse in units of pallets with the number of loaded articles per pallet are temporarily stored in a storage shelf, and then the articles are stored. In the picking method of distributing a predetermined specific number of shipments from the storage shelf to a predetermined specific packing area among a plurality of packing areas, the total number of items to be shipped for all the packing areas of the same type. Recognize Q,
For varieties in which the total number of shipped articles Q exceeds the number of remaining articles R in the shelf of the type in the storage shelf, the number of remaining articles in the shelf R is subtracted from the total number of shipped articles Q for the type from the automatic warehouse .
After taking out the number P of pallets obtained by rounding up the number of articles in pallet units, n × P articles taken out of P pallets are
Distribute a predetermined number of shipments to each specific loading station in advance , and take them out of the automated warehouse.
If the number of items shipped is not enough for the total number of items shipped Q
Of the number of remaining articles R on the shelf of the product type
The number of articles distributed to specific cargo unloading areas and taken out from automated warehouses
If there are more items than the total number of shipped items Q and there are surplus items, return the surplus items to the storage shelves, and for all types where the total number of shipped items Q does not exceed the number R of remaining items in the shelf, Then, the number of shipments of each type to the packing place is taken out from the storage rack, and the taken out article group of all kinds is collectively distributed to the packing place.

[0010] According to a second aspect of the present invention, in the first aspect of the present invention, when returning the surplus items to the storage shelf, it is determined whether or not the number of returned items is equal to a predetermined expected number of returned items. By confirming, shipping inspection is performed.

The present invention according to claim 3 provides the invention according to claim 1 or 2
In the present invention described in further, when returning the surplus items to the storage shelf, the total of the number of returned items and the number of remaining items in the shelf before the return, the predetermined number of remaining items in the shelf after the return to the predetermined number of remaining in the shelf By checking whether or not they are equal, the remaining inventory is performed.

[0012]

According to the present invention, the following functions are provided. Prior to picking, if the total number of articles Q to be shipped to all unloading locations for the same type exceeds the number R of remaining items in the shelf of the relevant type in the storage shelf, the type is The number of pallets P obtained by rounding up the total number of shipped articles Q-the number of remaining articles R in the shelf in pallet units is taken out from the automatic warehouse, and the n × P articles taken out of the P pallets are directly specified in each of the specifics. It is to be distributed to the packing area sequentially by a predetermined number of shipments
In particular, the number of articles taken out from the automated warehouse becomes the total number of articles shipped Q
If not, the number of items remaining in the shelf of the product type in the storage shelf
Distribute the shortage from R to each specific loading place and automatically
The number of articles taken out of the warehouse is larger than the total number of articles shipped Q
Ri If the article, that returns the surplus product to the storage rack, and performs so-called seeding picking operation. On the other hand, for varieties in which the total number of shipped articles Q does not exceed the number of remaining articles R in the shelf, the number of shipments of each type to the relevant assortment place is taken out of the storage shelf for each of the assortment places, and That is, a so-called picking operation of collectively distributing the group of articles to the packing place. Therefore, during the picking operation, the picking of the type can be performed, and the picking of the type can be performed on the storage shelf without causing interruption of the picking due to the operation of refilling the storage shelf of the product of the relevant type. Productivity can be improved.

According to the second aspect of the present invention, the following operations are provided. When returning surplus items to the storage shelves after completing distribution to each assortment site, confirm whether the number of returned items is equal to the predetermined expected number of returns, and confirm that It is possible to reliably and easily carry out the shipment inspection that the intended shipment of the article has been performed, and to improve the productivity of picking.

According to the third aspect of the present invention, the following operations are provided. When returning surplus items to storage shelves after completing distribution to each packing place, the total of the number of returned items and the number of remaining items in the shelves before return is the predetermined number of remaining items in the shelves after return. By confirming whether or not the number is equal to the planned number, it is possible to reliably and easily carry out a stocktaking of the remaining quantity in the corresponding shelf after the shipment of the article to each loading place. , Picking productivity can be improved.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a schematic diagram showing a seeding / shipping method, FIG. 2 is a schematic diagram showing a seeding / picking instruction list, FIG. 3 is a schematic diagram showing a picking / shipping method, FIG. 4 is a schematic diagram showing a picking / picking instruction list, FIG. 5 is a flowchart showing selection logic of a seeding shipping system and a picking shipping system, FIG. 6 is a schematic diagram showing a conventional picking system, and FIG. 7 is a schematic diagram showing a conventional picking instruction list.

The storage facility 10 is, as shown in FIGS.
It has an automatic warehouse 11 and storage shelves 12 such as pallet racks (fixed shelves), mu black (moving shelves), and case flow racks (fluid shelves). In this storage facility 10, a plurality of types of articles 13 carried in by the truck 14A are stored in the automatic warehouse 11 from the storage opening 11A in pallet units.
The articles 13 are ejected from the exit 11B of the automatic warehouse 11, and the ejected articles 13 are temporarily stored in the shelves 12A corresponding to the respective types of the storage shelves 12 in units of packages. And
The articles 13 temporarily stored in the storage shelf 12 are stored in the storage shelf 12.
Is distributed to a predetermined packing station 15 among a plurality of packing stations (berths) 15 by a predetermined specific number of shipments, and is carried out from each packing station 15 by a truck 14B. 16 is a crane and 17 is a truck.

The storage shelf 12 is shown in FIGS. 1 (A) and 1 (B).
As shown in the figure, 4 rows in the front-rear direction, 24 stations in each row,
The table has a total of 288 shelves 12A, and the location of each of the shelves 12A is indicated by [a row, b consecutive c levels], and 1 shelf is displayed.
The variety of the seed is stored on a single shelf 12A without being stored over a plurality of shelves 12A.

However, the storage facility 10 has a control device 20. According to the control operation of the control device 20, the automatic warehouse 11 is controlled by one of the following seeding shipping method and picking shipping method. Picking of the articles 13 from the storage shelves 12 to the packing room 15.

In the storage facility 10, the articles 13 are handled in the state of a boxed package as a minimum package, and a plurality of packages are loaded on a pallet in units of a pallet.
And stored in the storage shelf 12 in units of packages. Then, the following is have you in the description, shipments, the remaining number of articles shelves,
It is the number in the packing unit.

(Selection of Shipping Method) (See FIG. 5) The control device 20 calculates the total number of shipments Q of the same type to all the assortment locations 15 and the number of remaining articles R in the storage shelf 12 of the type in the shelf. Recognize and compare Q and R. Then, the seeding / shipping method is adopted for the kind that satisfies Q> R (when refilling the storage shelf 12), and the seeding picking instruction list 21 is output. On the other hand, the picking / shipping method is adopted for a product type satisfying Q ≦ R (when the storage shelf 12 is not replenished), and the picking picking instruction list 22 is output.

When the seeding and shipping method is adopted, the control device 20 calculates the number P of pallets to be unloaded from the automatic warehouse 11 for the varieties satisfying Q> R in accordance with the following equation (1). 21. P = (Q−R) / n + 1 (1)

Here, n is the number of packages loaded on one pallet, and in the calculation processing of the equation (1), (Q−R) /
The fractional part of n is rounded down. This allows automatic warehouse
The number of pallets of the type taken out from 11 is P
The number of articles is n × P.

(Seeding and Shipping System) (See FIGS. 1 and 2) The worker performs the following picking work flow in accordance with the sowing and picking instruction list 21.

The seeding and picking instruction list 21 includes:
As shown in FIG. 2, the type column, the number of pallets (P) of the type that are delivered from the automatic warehouse 11 (the number of packages in one pallet are written in parentheses in this column), and each of the packages for the type Column for the number of shipments to the place 15, a column for the number of surplus items to be returned to the storage shelf 12 after the picking of the type, and a column for the number of remaining items in the shelf. (In this column, the upper row indicates the number of remaining articles in the shelf before returning the remaining articles, and the lower row indicates the number of remaining articles in the shelf after returning the remaining articles.)

Here, the seeding picking instruction list 21
Are set in the order (location order) of the shelves 12A corresponding to the respective types of the storage shelves 12 in which the surplus items of the respective types after being distributed to the packing area 15 by the seeding / shipping method are returned. Is done. At this time,
Is the order in which, in the location of each shelf 12A described above, the one with the smallest number of columns has the highest priority, the one with the smallest number of stations has the second priority, and the one with the smallest number of stages has the last priority.
1 row 1 station 1 row, 1 row 1 row 2 rows, 1 row 1 row 3 rows, 1 row 2 rows
1 row, 1 row 2 rows 2 rows ......... 4 rows 24 rows 3 rows.

The control device 20 controls the automatic warehouse 11,
Each variety according to the display order of the seeding and picking instruction list 21 is sequentially output to the output port 11B (FIG. 1).
A plurality of workers can perform the following operations in parallel for different types.

The operator picks up the pallet of the kind that has been delivered to the delivery port 11B onto the carriage 17 (FIG. 1).

The worker puts the article 13 taken out above into
According to the seeding and picking instruction list 21, the predetermined specific number of shipments are sequentially distributed to each of the predetermined specific packing stations 15 from the first packing station 15 (FIG. 1).

After the above, if there is a surplus item of the type, the operator returns (replenishes) the surplus item to the shelf 12A at the location specified in the sowing picking instruction list 21 (FIG. 1).

The operator operates the storage shelves 12 for surplus items.
At the time of return, the shipping inspection is performed by confirming whether or not the number of returned articles is equal to a predetermined expected number of returned articles (the number described in the remaining article number column of the seeding and picking instruction list 21) ( 1).

The operator operates the storage shelves 12 for the surplus items.
At the time of return, the total of the number of returned items and the number of remaining items in the shelf before the return is the predetermined number of remaining items in the shelf after the return (the lower row of the number of remaining items in the shelf of the seeding and picking instruction list 21). The remaining number is counted by confirming whether the number is the same as the number described) (FIG. 1).

In the above description, the surplus items are stored in the storage shelf 12.
When returning to the shelf 12A, the worker places the existing goods stored in the shelf 12A on the shelf 12A on the surplus goods on the new pallet on the trolley 17, and enters the shelf 12A. The old pallet was taken out, and a new pallet containing the above-mentioned extra goods and the existing goods was placed on the shelf 1 from the cart 17.
Put in 2A. As a result, new picking from the shelf 12A is taken out of the existing article, and there is no possibility that the old article remains in the shelf 12A forever.

When the number of unpacked goods from the automatic warehouse 11 is not enough, the seeds are placed on the pallet by the storage shelves 12 before seeding, and then seeded to the packing place.
After sowing the portion from the automatic warehouse 11, the missing portion is taken from the storage shelf 12 and seeded (at this time, the missing portion is guaranteed to be in the storage shelf 12).

(Picking and Shipping System) (See FIGS. 3 and 4) The operator performs the following picking work flow in accordance with the picking picking instruction list 22.

The picking instruction list 22
Is required for each one of the packing stations 15. As shown in FIG. 4, the product type column (in this column, the shelf location from which the product is to be taken out is shown in parentheses) and the shipping number column of the product type Prepare.

Here, picking picking instruction list 2
The display order of the types in the item 2 is set in the arrangement order (location order) of the shelves 12A corresponding to each type of the storage shelf 12 from which the articles of each type are taken out by the picking and shipping method.
At this time, the “arrangement order” is the same as the “arrangement order” in the seeding and picking instruction list 21 described above.

In accordance with the picking and picking instruction list 22, the operator picks up the loading place 1 from the shelf 12A at the location indicated by the picking and picking instruction list 22.
Then, the number of shipments of the product type corresponding to No. 5 is obtained (FIG. 3).

The operator repeats the above along the rows of the shelves 12A in the order of the types displayed in the picking and picking instruction list 22 to take out a plurality of types to be picked and picked to the loading place 15 and to carry the cart 17
Clustered on top (of FIG. 3).

After completing picking of all kinds to be picked and picked at the packing place 15, the worker collectively distributes the article group to the corresponding specific packing place 15 (FIG. 3).

Here, picking picking instruction list 2
2 is output for each one of the packing stations 15, so that the above picking operations can be performed in parallel for each of the packing stations 15 by a plurality of workers.

In the above, in the process of assembling the various types of products on the cart 17 when the loading condition on the cart 17 becomes full, the picking of all the types in the loading place 15 is performed. Even if not completed, these trolleys 1
7 may be collectively distributed to the specific cargo unloading area 15, and thereafter, the picking may be completed.

In addition, the picking operations (1) to (5) for each one of the cargo unloading stations 15 may be shared by a plurality of workers. In this case, picking picking instruction list 2
The middle part of 2 is divided according to the total number of shipments of each type, etc.
The worker in charge of the preceding product rank side and the worker in charge of the subsequent product rank side can perform the picking work for each one of the packing stations 15 in parallel.

Next, the operation of this embodiment will be described. Prior to picking, for a variety in which the total number Q of articles shipped to the unloading area 15 for the same type exceeds the number R of remaining products in the shelf of the type in the storage shelf 12, in view of the necessity of replenishment of the type, The number of pallets P obtained by rounding up the total number of shipped articles Q-the number of remaining articles R in the shelf in units of pallets for the type is taken out from the automatic warehouse 11, and the n × P articles taken out of the P pallets are directly predetermined. The specified number of shipments are sequentially distributed to each specific packing area 15 and the number of articles taken out from the automatic warehouse is reduced.
If the number of articles to be shipped is not enough Q, the type in the storage shelf
Out of the number of remaining articles R in the shelf of the specified cargo
The number of goods distributed to the warehouse and taken out of the automated warehouse is the total
If most surplus products than the number Q, that returns the surplus product to the storage rack 12, and performs so-called seeding picking operation. On the other hand, for varieties in which the total number of shipped articles Q does not exceed the number of remaining articles in the shelf R,
This is a so-called picking operation of taking out the number of shipments of each kind to the packing place from the storage rack and distributing the group of articles of all kinds taken out to the packing place at once. Therefore, it is possible to perform the picking of the type and to replenish the storage shelf 12 of the type without causing interruption of the picking due to the operation of refilling the storage shelf 12 with the product of the type during the picking operation. , Picking productivity can be improved.

When returning surplus items to the storage shelves 12 after the distribution to the packing stations 15 is completed, it is checked whether or not the number of returned items is equal to a predetermined expected number of returns. Shipment inspection that the intended shipment of the article to the packing place 15 has been performed can be performed reliably and easily,
The productivity of picking can be improved.

At the time of returning the surplus items to the storage shelves 12 after the distribution to each packing place 15 is completed, the total of the number of returned items and the number of remaining items in the shelves before the return is determined by a predetermined return. By confirming whether or not the number is equal to the expected remaining number in the later shelves, the inventory of the remaining number in the corresponding shelf 12A after the shipment of the article to each packing place 15 is checked. Can be performed reliably and easily, and the productivity of picking can be improved.

[0046]

As described above, according to the present invention, it is possible to replenish articles on the storage shelf without interrupting picking, thereby improving picking productivity.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a seeding shipping method.

FIG. 2 is a schematic diagram showing a sowing picking instruction list;

FIG. 3 is a schematic diagram showing a picking and shipping system.

FIG. 4 is a schematic diagram showing a picking instruction list;

FIG. 5 is a flowchart showing selection logic of a seeding shipping method and a picking shipping method.

FIG. 6 is a schematic diagram showing a conventional picking method.

FIG. 7 is a schematic diagram showing a conventional picking instruction list.

[Explanation of symbols]

 11 automatic warehouse 12 storage shelf 12A shelf 13 goods 15 packing place

Claims (3)

(57) [Claims] 1. The number n of articles loaded on one pallet from an automatic warehouse
After temporarily storing a plurality of types of articles that are delivered in pallet units on a storage shelf, the articles are transferred from the storage shelf to a predetermined specific assortment place among a plurality of assortment areas and to a predetermined specific assortment place. In the picking method of distributing only the number of shipments, the total number of articles to be shipped for all loading stations for the same type Q
If the total number of shipped items Q exceeds the number R of remaining items in the shelf of the type in the storage shelf, the number of remaining items R in the shelf is subtracted from the total number of shipped items Q for the type from the automatic warehouse .
After taking out the number P of pallets obtained by rounding up the number of articles in pallet units, n × P articles taken out of P pallets are
Distribute a predetermined number of shipments to each specific loading station in advance , and take them out of the automated warehouse.
If the number of items shipped is not enough for the total number of items shipped Q
Of the number of remaining articles R on the shelf of the product type
The number of articles distributed to specific cargo unloading areas and taken out from automated warehouses
If there are more items than the total number of shipped items Q and there are surplus items, return the surplus items to the storage shelves. For all types where the total number of shipped items Q does not exceed the number R of remaining items in the shelf, A picking method comprising: taking out the number of shipments of each type to the packing place from the storage shelf; and distributing a group of articles of all types taken out to the packing place in a lump. 2. The picking method according to claim 1, wherein when returning the surplus items to the storage shelf, a shipping inspection is performed by checking whether or not the number of returned items is equal to a predetermined expected number of returns. 3. When returning the surplus items to the storage shelf, whether the sum of the number of returned items and the number of remaining items in the shelf before the return is equal to a predetermined expected number of remaining items in the shelf after the return. 3. The inventory of the remaining number is performed by confirming whether or not the inventory number has been counted.
Picking method as described.