JPH04191206A - Warehouse receiving - Google Patents

Abstract

PURPOSE:To improve working efficiency by positioning one side surface of an article to carry on a depositing device at a position where it matches the positioning standard surface on the picking work side of an outer station at the time of receiving the article in a multi-story automatic warehouse provided with an outer station and unmanned carrier. CONSTITUTION:Depositing devices 12a, 12b installed with positioning devices 11 are provided on one ends of racks 3a, 3d of a multi-story automatic warehouse 1. Additionally, the depositing devices 12a, 12b are constituted of a roller conveyor device 13 consisting of a straight forwarding roller conveyor 14 and an inclined roller conveyor 15. Consequently, a load 7 is diagonally forwarded toward a side 16 to match a positioning standard surface 17 of an outer station 20, guided by a positioning guide 18 and positioned. Accordingly, at the time of transferring and placing the load 7 on an outer station 10 by stacker cranes 5a, 5b, all the transferring and placing works are carried out in the state where the load is positioned, and consequently, workability is improved.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a warehousing method.

[Prior Art] In recent years, multi-level automatic warehouses have become mainstream in commercial warehouses from the viewpoints of effective use of space, rationalization of work, and labor savings. In addition, in recent years, it has become common practice to immediately pick items to be transported in the vicinity of multi-level automated warehouses.

FIG. 6 shows an example of the above-mentioned apparatus, and 1 in the figure is a three-dimensional automated warehouse.In the illustrated case, the multi-dimensional automated warehouse 1 has a large number of storage shelves 2 on the top, bottom, left and right, and has four rows arranged in parallel. rack 3
a, 3b, 3c, 3d, and stacker cranes 5a, 5b that run along crane rails 4a, 4b provided between racks 3a and 3b and between 3C and 3d, and one front and rear end of racks 3a, 3d. Warehousing devices 6a, 6 arranged in the department
b.

The warehousing devices 6a, 6b are constituted by electric roller conveyors or the like.

Further, the stacker cranes 5a and 5b are equipped with a warehousing device 6.
The racks 3a, 3b, 3c, 3d each have a fork device for transferring the transported object 7 placed on the racks 3a, 3b, 3c, and 3d.
It is equipped with a traveling device, an elevating device, etc. so that the transported objects 7 can be stored in storage shelves 2 at required positions.

Moreover, outside the three-dimensional automatic warehouse l, there is a three-dimensional automatic warehouse l.
An automatic guided vehicle 9 is provided surrounding the guide rail 8 and runs along the guide rail 8. Furthermore, an external station IO is provided outside the guide rail 8 for carrying out pinokinking work on the transported object 7. , the automatic guided vehicle 9 is mounted on the racks 3a, 3b, 3c, 3 of the multi-level automatic warehouse 1.
The conveyed object 7 can be taken out from the lower storage shelf 2 of d and transferred to the external station 10.

The objects 7 transferred from the outside to the storage devices 6a and 6b are
The stacker cranes 5a and 5b move the stackers to the required positions on the storage shelves 2 of the racks 3a, 3b, 3c, and 3d of the multilevel automatic warehouse 1, and store them therein.

When picking the transported items 7 stored in the storage shelves 2 at the external station IO, the stacker cranes 5a and 5b pick them up on the rack 3a.

Transfer the target object 7 from the storage shelves 2 at the required positions of racks 3b, 3c, and 3d to the storage shelves 2 at the bottom of racks 3a and 3d,
The conveyed object 7 is taken out from the lowermost storage shelf 2 by the automatic guided vehicle 9, transferred to an external station 1, and picked.

[Problem to be solved by the invention] In recent years, there has been an increase in the number of cases in which the transported objects 7 are stored in a mixed manner, with different depth dimensions or different sizes. There is no practice of positioning and handling the transported objects 7, such as setting standards for the loading position of the transport objects 7 and transferring them. The conveyed object 7 remains in the position placed on the warehousing devices 6a and 6b,
Racks 3a, 3b, 3c, 3d and external station l
O (because the transfer strokes of the stacker cranes 5a, 5b and the automatic guided vehicle 9 are determined),
When picking is carried out at the external station 10, there is a problem in that the position of the transported objects 7 becomes irregular as shown in FIG. 6, making the picking operation difficult.

The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a warehousing method that can improve picking workability at an external station and improve work efficiency.

[Means for Solving the Problems] According to the present invention, when goods are stored in a three-dimensional automatic warehouse equipped with an external station and an automatic guided vehicle, one side of the goods on the warehousing device is placed on the picking side of the external station. This relates to a warehousing method characterized by carrying in the goods after positioning them so as to match a positioning reference plane.

[Function] When goods are stored in a multi-level automatic warehouse equipped with an external station and an automatic guided vehicle, if the goods are positioned so that one side of the goods matches the left-right side of the storage direction of the storage device, the external All transfers in a three-dimensional automated warehouse equipped with stations and automatic guided vehicles are performed in a positioned manner, with one side of the objects to be transported being aligned and placed on one side of the external station.

[Example] Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows one embodiment of the present invention, and the parts in the figure with the same reference numerals as in FIG. 6 represent the same parts.

As shown in FIG. 1, similarly to FIG. 6, in a multi-level automated warehouse 1 equipped with an external station IO and an automatic guided vehicle 9, a positioning device 11 is provided at one end of the racks 3a and 3d of the multi-dimensional automated warehouse 1. Warehousing devices 12a and 12b are provided.

FIG. 2.3 shows an example of this, in which the conveyed article 7 is placed in the middle of the straight roller conveyor 14 of the roller conveyor device 13 as shown by arrow A, and is driven by a drive device (not shown). An inclined roller conveyor 15 having a required inclination angle and a required length is provided so as to be directed toward the negative side 16 of the storage direction of the devices 12a and 12b.

The same side 6 on the storage side is a side that coincides with the positioning reference plane 17 with the picking operation side in the external station IO as the positioning reference plane 17.

Further, a positioning guide 18 is provided upright on the minus side 16 of the storage devices 12a, 12b with a length spanning the installation range of the inclined roller conveyor 15, and the positioning device 11 is set up by the inclined roller conveyor 15 and the positioning guide I8. It consists of

According to the above-mentioned positioning device 11, the transported object 7 that is irregularly transferred and conveyed from the outside to the storage devices 12a and 12b is moved in the direction of arrow A by the inclined roller conveyor 15, and is moved from one side of the transported object 7 to the warehousing device 12a, 12b. After being positioned on the - side 16 in the warehousing direction in contact with the positioning guide 18, the stacker cranes 5a, 5b are moved via the straight roller conveyor 14.
It will be transferred to.

The articles 7 transferred to the stacker cranes 5a and 5b are transferred to the external station 10 in the same manner as in FIG. 6. At this time, the stacker cranes 5a, 5b
Since the transfer stroke of the automatic guided vehicle 9 is fixed, all transfers are performed while being positioned.

Therefore, one side of the conveyed object 7 can be aligned with the positioning reference surface 17 of the external station 10 and transferred, which improves the efficiency of the picking operation at the external station 10.

FIG. 4.5 shows another embodiment of the positioning device 11 in FIG. 2.3.

A positioning guide 22 is provided on one side of the warehousing devices 21a, 21b corresponding to the positioning reference plane 17 of the external station 10, and a buttonhole is provided at a required position on the other side corresponding to the installation range of the positioning guide 22. There are 19 installed. Furthermore, a detector 20 for detecting the transported object 7 is provided on the positioning guide 22 side corresponding to the front end of the pusher 19 in the storage direction B, and the positioning device 23 is detected by the positioning guide 22, pusher 19, and detector 20. It consists of

According to the positioning device 23, the warehousing devices 21a and 21b
Storage direction B of the conveyed object 7 or the pusher 19 conveyed above
When the front end is reached, a signal is transmitted from the detector 20 to the pusher 19, and the pusher 19 presses the conveyed object 7 against the positioning guide 18.

By this, the conveyed object 7 is positioned, and from then on, the first
The operation is exactly the same as in FIGS.

Note that the warehousing method of the present invention is not limited to the above-described embodiments, and the detector may be installed anywhere.
Of course, various changes can be made without departing from the gist of the invention.

[Effects of the Invention] As explained above, according to the warehousing method of the present invention, it is possible to position and transfer the transported items on the positioning reference plane on the picking work side of the external station, thereby improving the workability of picking, It is possible to improve work efficiency.

[Brief explanation of the drawing]

FIG. 1 is a plan view of an embodiment of the present invention, FIG. 2 is a plan view showing the positioning device of the present invention, and FIG. 3 is a front view of FIG.
FIG. 4 is a front view showing another embodiment of the positioning device of the present invention, FIG. 5 is a plan view of FIG. 4, and FIG. 6 is a plan view showing an example of a conventional three-dimensional automated warehouse. In the figure, 1 is a three-dimensional automatic warehouse, 7 is a transported object, 9 is an automatic guided vehicle,
IO is an external station, 12a and 12b are warehousing devices,
Reference numeral 17 indicates a positioning reference plane, and 21a and 21b indicate storage devices.

Claims (1)

[Claims] 1) When loading goods into a three-dimensional automated warehouse equipped with an external station and an automated guided vehicle, one side of the goods on the warehousing device was positioned to match the positioning reference plane on the picking side of the external station. A warehousing method characterized by carrying in the warehouse later.