JPH08198406A - Automatic warehouse equipment - Google Patents

Abstract

PURPOSE: To carry out picking operation on an output conveyor so as to increase treatment capacity by combining a hydraulic lifter, a handling device, and a crane lifter with each other at the output conveyor. CONSTITUTION: Many objects to be stored 2 are stacked on pallets 1, and stored at each position of a rack 4. When a delivery instruction is transmitted from a control computer 13 to a crane 3 based on output data, the crane 3 travels in the rack 4, and moves to a position while raising a lifter where the objects to be retrieved are stored. The crane 3 takes out the stored objects 2 from the rack 4 by a crane fork mounted on the lifter, moves to an output conveyor 6, and delivers the stored objects 2 to the output conveyor 6. Then a hydraulic lifter 11 and a handling device 12 pick up the necessary amount of the stored objects 2 by a handling device 12. On the other hand, the picked objects 2 are transported by the output conveyor 6 to a position interfaced with a rail car 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic warehouse facility for stacking and storing stored items on a pallet, and in particular, the stored items have a large weight or a large shape, and an operator at an entrance of the store. Related to warehouse equipment that is difficult to pick.

[0002]

2. Description of the Related Art In conventional automatic warehouse equipment, most of the methods are to carry a load to a picking conveyor section and pick a required number of stored items by an operator. Further, even if the automation is carried out, a measure was taken in which a picking device was attached to the picking conveyor section and operated by an operator to pick the required number (Japanese Patent Laid-Open No. 63-208412). ).

[0003]

[Problems to be Solved by the Invention]

When a worker carries out picking work at the picking conveyor section (1) The work is carried out while confirming the number of pickings displayed on the computer terminal screen for controlling the automatic warehouse, which is troublesome and causes a mistake in work. There was a possibility. In addition, it was necessary to prepare a worker for picking.

(2) In the case of a heavy object or a storage object having a large shape, it is necessary to use an overhead crane or the like, which requires a long working time.

(3) The work time on the picking conveyor is long, and as a result, the equipment processing capacity is determined in this part, and the total equipment capacity becomes low.

There was a problem. Further, even when the picking device is used in the picking conveyor section, the problem (2) is only solved, and the problems of the necessity of the worker, the possibility of a work error, and the reduction of the total equipment capacity still remain. .

An object of the present invention is to provide a fully automated picking operation and provide an automated warehouse facility with high facility capacity.

[0008]

SUMMARY OF THE INVENTION According to the present invention, a fixed handling device is mounted on a delivery conveyor which is installed for each crane, and combined with the movement of a hydraulic lifter in the conveyor, so that only a required number of stored items are stored. It is possible to pick it up and take it out completely automatically on the delivery conveyor. As a result, (1) a picking operator is not required and work mistakes are eliminated.

(2) The mechanization of picking makes it possible to easily handle heavy items and stored items having a large shape.

(3) The picking work is carried out at each of the delivery conveyors, so that the reduction of the total equipment capacity due to the working time is prevented.

[0011]

According to the present invention, the conveyance instruction of the control computer that manages the specifications / quantity of picked-up items, the number of picked items, etc. is transmitted to the equipment machine such as a crane, and the crane puts the corresponding stored items in the rack. Take it out and deliver it to the delivery conveyor. The hydraulic lifter attached to the conveyor for transferring the load to and from the crane moves upward to lift the contents. A handling device is installed above the main portion, and the hydraulic lifter is stopped after the stored items stacked by the sensor are lifted up to a height capable of handling a required number. After handling the required number with the handling device, the remaining stored items stacked in the lower part are lowered together with the hydraulic lifter, transferred to the crane, and transferred to the place stored in the rack. The handled load is moved to the pick-up conveyor section after the hydraulic lifter moves upward again and is transferred to the load receiving table and then descends to the conveyor transfer surface. With this operation, it is possible to completely automate the picking and transport of the required number of stored items.

[0012]

Embodiments of the present invention will be described below with reference to FIGS.

First, the entire automatic warehouse apparatus will be described.

FIG. 1 is an overall plan view, and FIG. 2 is a side view.
The storage items 2 are stacked on the pallet 1 in a stacked state, and a large number are stored and stored in each position in the rack 4. Based on the shipping data input to the control computer 13, the shipping instruction is transmitted from the computer 13 to the crane 3. The crane 3 travels in the rack and moves up and down the elevating body 9 to move to the position where the corresponding stored item is stored. With the crane fork 10 attached to the lifting body 9, the contents 2 are taken out from the rack 4,
It moves to the delivery conveyor 6 and transfers the stored items 2 to the delivery conveyor by the crane fork 10. At this portion, the stored items 2 are picked by the hydraulic lifter 11 and the handling device 12 by the required number of delivery. The picked stored items 2 are conveyed on the delivery conveyor 6 to a position where the stored items 2 and the guided vehicle 7 are combined. The tracked carriage 7 travels on the rail and stops at a position where it is in contact with the relevant delivery conveyor 6. The tracked carriage 7 has conveyor equipment and receives the stored items 2 from the delivery conveyor 6. After that, the tracked carriage 7 travels on the rail and moves to a position where the picking conveyor 8 is fitted. Here, the stored items are delivered to the picking conveyor 8. The stored items 2 transported to the picking conveyor 8 are unloaded from the conveyor 8 and transported to a required place.

Next, the picking mechanism will be described. 3 is a plan view of the picking function portion, and FIG. 4 is an elevation view. FIG. 5 is an explanatory diagram of claim item 1. A hydraulic lifter 11 is built in the delivery conveyor 6. When the crane 3 unloads the stored items 2 onto the delivery conveyor 6, the hydraulic lifter 11 rises and the load receiving base 14 projects above the conveyor transport surface. The crane fork 10 is a receiving tray 14
It moves horizontally between the two members of the
The stored items 2 are unloaded on the cargo receiving tray 14 as a result of lowering. After that, the hydraulic lifter 11 rises again, and the stored item also moves upward. At this time, the sensor 15 attached to the handling device 12 detects the number of stored items from above, and stops the lifting of the hydraulic lifter 11 when the required number of shipping items is above the handling unit. After the required number of handlings by the handling device 12, the hydraulic lifter 11 descends and the stored item 2 that is not delivered is separated from the stored item 2 that is delivered and placed on the crane fork 10. The crane fork 10 horizontally moves toward the center of the lifting body 9, and the crane 3 receives the stored item 2 that is not delivered. After that, the crane 3 moves in the rack 4, and the storage item 2 that does not leave is stored in the original position where it was stored. On the other hand, the delivery conveyor 6 has a pallet 1 on which the stored items 2 are not stacked, and moves to the position of the load receiving base 14. The hydraulic lifter 11 ascends, the pallet 1 as well as the load receiving base 14 ascends, and ascends to the lower surface position of the stored item 2 that has been handled. A sensor 16 is attached to the upper end of the load receiving base 14, and the hydraulic lifter 11 stops rising when the sensor is in contact with the lower surface of the picked storage item 2. The handling device 12 releases the handling, the stored item 2 is placed on the load receiving table 4 together with the pallet 1, moves downward as the hydraulic lifter 11 descends, and moves to the conveyor conveying surface. Then, the required number of stored items 2 are transported by the delivery conveyor 6 to a position where they are in contact with the guided vehicle 7.

Next, regarding the picking mechanism of claim 2, the picking function partial plan view of FIG. 3 and the elevation view of FIG.
6 and the explanatory diagram of claim item 2 in FIG. When the crane 3 unloads the stored items 2 on the delivery conveyor 6, the crane fork 10 horizontally moves toward the delivery conveyor 6. After that, the crane elevating / lowering body 9 rises, and the stored items loaded on the crane fork 10 also move upward. At this time, the sensor 15 attached to the handling device 12
By this, the number of stored items 2 is detected from above, and when the required number of shipping items is above the handling unit, the lifting of the lifting body 9 is stopped. After the necessary number of handlings by the handling device 12, the elevating / lowering body 9 descends, and the stored article 2 that is not delivered is separated from the stored article 2 that is delivered. Crane fork 1
0 moves horizontally toward the center of the lifting body 9, and the crane 3 receives the stored item 2 which is not delivered. After that, the crane 3 moves in the rack 4, and the storage item 2 that does not leave is stored in the original position where it was stored. On the other hand, the unloading conveyor 6 has a pallet 1 on which the stored items 2 are not stacked, and
Move to the position. The hydraulic lifter 11 ascends, the pallet 1 as well as the load receiving base 14 ascends, and ascends to the lower surface position of the stored item 2 that has been handled. A sensor 16 is attached to the upper end of the load receiving base 14, and the hydraulic lifter 11 stops rising when the sensor is in contact with the lower surface of the picked storage item 2. The handling device 12 releases the handling, and the stored item 2 is placed on the load receiving base 14 together with the pallet 1, and moves downward as the hydraulic lifter 11 descends, and moves to the conveyor transport surface. Then, the required number of stored items 2 are transported by the delivery conveyor 6 to a position where they are in contact with the guided vehicle 7.

[0017]

According to the present invention, by adding a fixed handling device, it is possible to pick a required number of stored items at each delivery conveyor section, and to implement an automatic warehouse facility with a high-capacity picking function. It will be possible. This allows
In the past, the picking work that the worker took time to perform was completely unnecessary, and the cost of the worker was eliminated. Also, by increasing the processing capacity, the investment effect of the automated warehouse was increased. As the picking equipment, only the fixed handling device is added by utilizing the vertical movement of the hydraulic lifter and the lifting / lowering body in the conventional equipment, which is economically inexpensive.

[Brief description of drawings]

FIG. 1 is an overall plan view.

FIG. 2 is an overall elevation view.

FIG. 3 is a plan view of a picking function portion.

FIG. 4 is an elevation view of a picking function portion.

FIG. 5 is an explanatory diagram of a picking mechanism.

FIG. 6 is an explanatory diagram of a picking mechanism.

[Explanation of symbols]

1 ... Pallet, 2 ... Storage item, 3 ... Crane, 4 ... Rack, 5 ... Storage conveyor, 6 ... Delivery conveyor, 7 ... Tracked carriage, 8 ... Picking conveyor, 9 ... Crane lift,
DESCRIPTION OF SYMBOLS 10 ... Crane fork, 11 ... Hydraulic lifter, 12 ... Handling device, 13 ... Control computer, 14 ... Load carrier, 15, 16 ... Sensor.

Claims (1)

[Claims] 1. A load in which stored items are stacked is conveyed from a conveyor facility to a crane, and the load is stored in the rack by the crane, or the load is taken out from the rack by the crane, and the conveyor is moved from the crane. In an automatic warehouse facility that conveys to equipment and issues goods, at a goods issue conveyor that receives a load from the crane at the time of goods exit, using a hydraulic lifter attached to the goods issue conveyor, controlling the amount of rise of the hydraulic lifter, Adjusting the amount of lift of the stored items on the upper part of the hydraulic lifter, it is possible to pick up the required number of stored items to be picked up from the stacked upper side by the handling device attached to the upper part, and other above-mentioned stored items. Is again transported into the rack, and only the stored items are placed on the delivery conveyor and transported to the picking conveyor section, and as a result, the stored items are stored. Automatic warehouse facility, characterized by issuing an after picking a necessary number.