JPH0632411A - Automated warehouse equipment - Google Patents

Abstract

PURPOSE:To perform warehousing/delivery works efficiently even in a large- scale equipment with a long total length of a rack and to reduce a cost in an automatic warehouse equipment which comprises both of a load carrying-in device and a load carrying-out device for running carriages for warehousing/ delivery arranged on one side of a carriage running path. CONSTITUTION:Home positions 5, 6 for warehousing/delivery works are set at an approximately central point in the longitudinal direction of a carriage running path 4, and a running carriage 7 for warehousing/delivery whose warehousing/delivery works range is set in an area from the home positions 5, 6 to one end of a rack and a running carriage 8 for warehousing/delivery whose warehousing/delivery works range is set in an area from the home position 5, 6 to the other end of the rack are provided on the same carriage running path 4. And each one load carrying-in device 9 for warehousing and each one load carrying-out device 10 for delivery which are commonly used by both running carriage 7, 8 for warehousing/delivery respectively are arranged on respective sides of the home positions 5, 6 so that the running ranges Z7, Z8 for the two running carriages 7, 8 for warehousing/delivery are overlapped on the home positions 5, 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a traveling path for a traveling carriage for loading and unloading along a rack, and a loading and unloading device for loading and unloading for loading and unloading traveling trolleys on the traveling path. It is related to the automatic warehouse equipment that was set aside.

[0002]

2. Description of the Related Art In the conventional automatic warehouse equipment of this type, one end of a truck traveling path is set at a home position of the warehousing traveling carriage, and the warehousing / loading device for warehousing is provided beside the home position. And a loading and unloading device for shipping. In such a conventional configuration, the total length of the rack,
That is, in the case of a large automatic warehouse facility in which the total length of the traveling route of the carriage is long, the traveling distance of the traveling carriage for loading and unloading from the home position to the farthest loading and unloading work position is long, so the work tact of loading and unloading should be accelerated. Was difficult.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features are shown by the reference numerals of the embodiments described later. In the automatic warehouse facility of the present invention, a traveling route 4 for a traveling carriage 7 for loading and unloading is provided along racks 1 and 2, and a loading and unloading device 9 for loading and unloading 10 for loading and unloading to and from the traveling dolly 7 for loading and unloading. In an automatic warehouse facility provided with and alongside the traveling path 4, the home positions 5 and 6 of the traveling carriage 7 for loading and unloading are set at substantially central positions in the longitudinal direction of the traveling path 4 of the carriage, and the same truck travels. On the path 4, a traveling carriage 7 for loading / unloading, which has an area from the home positions 5, 6 to one end of the rack as a loading / unloading work area, and the home positions 5, 6
And a traveling carriage 8 for loading and unloading, which has an area from the rack to the other end of the rack as a loading and unloading work area, and the home positions 5, 6
The two loading / unloading traveling trolleys are provided beside each of the loading / unloading traveling trolleys 7 and 8 with one each of the loading / unloading loading / unloading device 9 and the loading / unloading unloading device 10 for unloading. It is characterized in that the traveling regions Z7 and Z8 of 7 and 8 are configured to overlap each other at the home positions 5 and 6.

Further, in the device of the present invention according to claim 2, the loading / unloading device 9 for loading and the loading / unloading device 10 for loading and unloading are arranged side by side on one side of the carriage travel route 4 at the sides of the home positions 5, 6. Set up.

Further, in the automatic warehouse facility of the present invention according to claim 3, the traveling route 4 of the traveling carriages 7 and 8 for loading and unloading is set for each level of the respective stage load storage portions 1a and 2a of the racks 1 and 2. The loading cargo transfer device 9 and the loading cargo unloading device 10 are provided, and include a loading conveyor 11 and a loading conveyor 14,
Elevating / conveying means 12 and 15 capable of ascending / descending between the level connected to the conveyors 11 and 14 and the level connected to the carriages 7 and 8 for loading and unloading of each stage, and the lifting and conveying means 1
2, 15 and load transfer means 13, 16 for transferring a load between each of the above-mentioned loading / unloading carriages 7, 8.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. Reference numerals 1 and 2 denote racks arranged side by side with a truck traveling passage 3 therebetween. Is
As shown in FIG. 2, each stage load storage unit 1 of the racks 1 and 2
a and 2a, the upper and lower tiers of the truck traveling path 4 are
It is formed by a pair of left and right guide rails 4a and 4b which are separately supported by the racks 1 and 2 on both sides. Then, as shown in FIG. 1A, the trolley traveling path 4 of each stage is set so that the warehousing home position 5 and the warehousing home position 6 are adjacent to each other in the substantially longitudinal center position thereof in the path length direction. At the same time, the loading / unloading carriage 7 having the loading / unloading work area from the home positions 5 and 6 to one end of the racks 1 and 2, and the loading / unloading work from the home positions 5 and 6 to the other ends of the racks 1 and 2. The traveling carriage 8 for entering and leaving the area is on the same traveling path 4 of the carriage (the guide rail 4
a, 4b).

On the same lateral side as the carriage traveling route 4 at the home positions 5 and 6, a loading / unloading device 9 for warehousing is provided.
And the unloading device 10 for unloading are arranged in parallel so as to correspond to each home position. The loading / unloading device 9 for warehousing
A conveyor 11 for warehousing, an elevating / conveying means 12 capable of elevating / lowering between a level connected to the conveyor 11 for warehousing and a level connected to the traveling carriages 7 and 8 for warehousing / discharging, and the elevating / conveying means 12 and the above. The loading / unloading device 10 is configured to transfer the load to / from the loading / unloading traveling carriages 7 and 8 in each stage. The loading / unloading device 10 for loading and unloading is connected to the shipping conveyor 14 and the shipping conveyor 14. And a level connected to the loading / unloading traveling carriages 7 and 8 of each stage, and an elevating / conveying means 15 and the elevating / conveying means 15 and the loading / unloading traveling carriages 7 and 8 of each stage. And a load transfer means 16 for transferring a load between them.

The elevating / conveying means 12 and 15 have the same structure and are provided with elevating / lowering load transfer tables 19 and 20 which can be moved up and down along the columns 17 and 18. The load transfer means 1
Reference numerals 3 and 16 denote transfer drive conveyors 19 provided on the lifting load transfer tables 19 and 20 of the lifting and transporting means 12 and 15.
a, 20a, a pair of left and right transfer drive conveyors 21a, 22a provided on the relay load transfer tables 21, 22 provided in the rack 1, and on the loading / unloading carriages 7, 8. Utilizing the provided running forks 7a and 8a, the running forks 7a and 8a are
This is a well-known conventional one that is also used for transferring loads between the racks 1 and 2 in the racks 1 and 2a, and can be moved back and forth on either side with respect to the traveling direction of the carriage. It can move up and down by a certain stroke for picking up and unloading. The running forks 7a and 8a are
The pair of right and left transfer drive conveyors 21a and 22a on the relay load transfer tables 21 and 22 can enter and move up and down in the intermediate recesses 21b and 22b.

The loads W are loaded in the load storage portions 1a, 2a of the racks 1, 2.
When loading and unloading, the lifting / lowering load transfer table 1 of the lifting / lowering transfer means 12
9 is lowered to a lowering limit level for connecting with the storage conveyor 11, and the storage conveyor 11 and the transfer drive conveyor 19a on the lifting load transfer table 19 are driven to move the storage conveyor 11 above the storage conveyor 11. When the loading level is higher than the lowering limit level of the lifting load transfer table 19, the load W is transferred to the lifting load transfer table 11 and the lifting load transfer table 19 is loaded.
To the warehousing level. The elevating and lowering load transfer table is driven by driving the transfer drive conveyor 19a on the elevating and lowering transfer table 19 and the pair of left and right transfer drive conveyors 21a on the relay load transfer table 21 connected thereto. The load W on 19 is transferred onto the relay transfer table 21. After that, the loading / unloading carriage 7 or 8 having the loading storage part 1a or 2a to be loaded in the work area is stopped at the loading home position 5,
The load W on the relay load transfer table 21 is transferred to the truck 7 by the operation of picking up the load of the running fork 7a or 8a.
Or get it on 8.

That is, the running fork 7a or 8a is advanced to move into the concave portion 21b of the relay load transfer table 21 at the load pick-up level (lower level), and then is raised by a certain stroke to transfer the relay load. The load W on the platform 21 is picked up on the running fork 7a or 8a, and then the running fork 7a or 8a is moved backward to the home position on the dolly so that the load W is placed on the entry / exit traveling dolly 7 or 8. Get it. The loading / unloading traveling carriage 7 or 8 that has received the load W is caused to travel to the loading position, and the running fork 7 is moved by the unloading operation that is the reverse of the load picking up operation of the running fork 7a or 8a.
It suffices to transfer the load W on the a or 8a into the load storage section 1a or 2a of the running fork 1 or 2.

When the load W is to be unloaded from the load storage units 1a and 2a of the racks 1 and 2, the load storage unit 1a or 2a to be unloaded.
The traveling carriage 7 or 8 for loading and unloading having a work area is moved to the unloading position, and the load W is picked up by the running fork 7a or 8a to receive the load W in the load storage unit 1a or 2a on the trolley. Thereafter, the loading / unloading traveling carriage 7 or 8 is run to the loading / unloading home position 6, and the load W is placed on the relay loading / unloading table 22 at the same level by the unloading operation of the running fork 7a or 8a.
Is reprinted. At this time, the running fork 7a or 8a that has moved forward moves into the concave portion 22b of the relay load transfer table 22.
After descending inward, it moves backward to the home position on the trolley.

On the other hand, the lifting load transfer table 2 of the lifting transport means 15
0 is stopped at a level at which it is connected to the relay load transfer table 22 at the delivery level, and the transfer drive conveyor 20a on the elevating load transfer table 20 and the left and right pair on the relay load transfer table 22. By driving the transfer drive conveyor 22a, the load W on the relay load transfer table 22 is sent to the lifting load transfer table 20. After that, when the delivery level is not the lower limit level of the elevating load transfer table 20, the elevating load transfer table 20 is lowered to the lower limit level, and the transfer drive on the elevating load transfer table 20 is performed. By driving the conveyor 20 a and the delivery conveyor 14, the load W on the lifting load transfer table 20 may be sent to the delivery conveyor 14.

In the above-mentioned loading / unloading work, as shown in FIG. 1A, the loading / unloading traveling carriages 7 and 8 are stopped at the loading / unloading home position 5 during the loading / unloading work, and the loading / unloading device 9 for loading and unloading. Receives the load W from the load W, and stops at the shipping home position 6 during the shipping work and loads the load W to the shipping device 10 for shipping.
Therefore, the traveling carriages 7 for loading and unloading at each stage are sent.
Is an exit home position 6 corresponding to the exit load carrying-out device 10 from the rack end on the side closer to the entrance load carrying-in device 9.
Traveling back and forth in the area Z7 up to and including the loading / unloading carriage 8 at each stage from the rack end on the side close to the loading / unloading device 10 to the loading home position 5 corresponding to the loading / unloading device 9. The vehicle travels back and forth in the area Z8. Therefore,
In front of both home positions 5 and 6, the same truck travel route 4
Since the traveling areas Z7 and Z8 of the two bogies 7 and 8 above will overlap, so that the two vehicles 7 and 8 on the same traveling route 4 do not collide in this traveling area overlapping zone,
For example, in combination with a vehicle registration detecting means for detecting whether or not a vehicle is registered in the traveling area overlapping zone, when the vehicle registration detecting means detects a vehicle, the vehicle moves to the home positions 5 and 6. It is necessary to perform collision avoidance control so that the trolley that travels in this state is stopped and standing by in front of it.

Incidentally, the elevating and conveying means 12, 15 are arranged at the places where the relay load transfer stands 21, 22 are provided, and the relay load transfer stand 2 is provided.
It is also possible to omit 1, 22. In this case, a pair of right and left transfer drive conveyors and a running fork 7a or 8a for moving the load between the loading conveyor 19 or the loading conveyor 14 on the lifting load transfer table 19 or 20 are moved up and down. A recess may be provided. Of course, if the racks 1 and 2 have only one stage of the load storage sections 1a and 2a, the lifting and conveying means 12 and 15 are unnecessary.

[0015]

As described above, according to the automatic warehouse facility of the present invention, the two loading / unloading traveling carriages provided on the same traveling path of the truck have work areas of approximately half the entire length of the rack. Therefore, even in a large automated warehouse where the total rack length is very long, the loading and unloading work can be done more efficiently than in the case where one rack truck is used to handle the entire rack length area. It can be done. Moreover, since one home loading and unloading device for loading and unloading, which are also used for both traveling trolleys, are provided side by side at the side of the home position that is set at a substantially central position in the length direction of the trolley traveling route, It is possible to reduce the cost of the entire equipment, as compared with the case where two automatic warehouse facilities provided with the loading / unloading device for warehousing and the unloading device for unloading are installed in parallel.

Further, the loading and unloading device for warehousing and the unloading and loading device for unloading can be arranged opposite to each other on both left and right sides of the traveling route of the dolly, but as described in claim 2, the loading and unloading device for loading and unloading By arranging the loading / unloading device and the loading / unloading device side by side on one side of the carriage traveling path at the side of the home position, a loading and unloading peripheral device is placed on one side of the rack, for example, a loading and unloading conveyor and a loading and unloading conveyor are placed side by side. It can be arranged collectively.

Further, as described in claim 3, a traveling path of the traveling carriage for loading and unloading is provided for each step load storage unit level of the rack, and the loading transporting apparatus for loading and unloading is carried out. Is a conveyor for warehousing and a conveyor for warehousing, and an elevating / conveying means capable of ascending / descending between a level connected to these conveyors and a level connected to a traveling carriage for warehousing / discharging of each stage, and this elevating / conveying means and each of the stages. When it comprises a loading / unloading means for loading / unloading a load between the loading / unloading carriage and the loading / unloading carriage, the loading / unloading device for loading and the loading / unloading device for loading and unloading are two travelings for loading and unloading on the same travel route. While being used as a trolley, the equipment as a whole can efficiently perform loading and unloading work.

[Brief description of drawings]

FIG. 1A is a schematic plan view illustrating the configuration of the entire facility, and FIG. 1B is an enlarged plan view illustrating details of the relevant part.

FIG. 2 is an enlarged vertical sectional front view for explaining details of a main part.

[Explanation of symbols]

 1 rack 1a load storage part 2 rack 2a load storage part 4 vehicle traveling path 5 home position for warehousing 6 home position for unloading 7 trolley for loading / unloading 7a running fork 8 trolley for loading / unloading 8a running fork 9 loading / unloading device for warehousing DESCRIPTION OF SYMBOLS 10 Unloading device for unloading 11 Conveyor for warehousing 12 Elevating / conveying means 13 Loading / unloading means 14 Conveyor for unloading 15 Elevating / transporting means 16 Loading / unloading means 19 Elevating / unloading transfer table 19a Transfer driving conveyor 20 Elevating / unloading transfer table 20a Transfer drive conveyor 21 Relay load transfer table 21a Left and right pair of transfer drive conveyors 21b Running fork entry / recess recess 22 Relay load transfer table 22a Left and right pair of transfer drive conveyors 22b Running fork entry up / down Recessed area Z7 Traveling area of entry / exit travel vehicle 7 Z8 entry / exit travel bed Driving area of car 7

Claims (3)

[Claims] 1. An automatic warehouse in which a traveling route for a traveling carriage for loading and unloading is provided along a rack, and a loading and unloading device for loading and unloading for the traveling trolley for loading and unloading are provided adjacent to the running route. In the equipment, the home position of the traveling carriage for loading and unloading is set at a substantially central position in the longitudinal direction of the traveling path of the truck, and the area from the home position to one end of the rack is put in and out on the same traveling path of the truck. An entry / exit traveling trolley as an area and an entry / exit traveling trolley having an area from the home position to the other end of the rack as an entry / exit working area are provided, and the both entry / exit traveling trolleys are provided on the side of the home position. A single loading / unloading device and a loading / unloading device are provided so that the traveling areas of the two loading / unloading traveling carriages overlap each other at the home position. Automatic warehouse facility that. 2. The automatic warehouse facility according to claim 1, wherein the loading / unloading device for warehousing and the unloading / unloading device for unloading are arranged side by side on one side of a trolley traveling route beside the home position. 3. A traveling path of the warehousing carriage for each stage of the rack is provided at each level of the warehousing and unloading carriages, and the warehousing conveyor and the unloading conveyor are a warehousing conveyor and a warehousing conveyor. , Between the level connected to these conveyors and the level connected to each entry / exit travel carriage, and between the elevator transport means and this entry / exit travel carriage The automatic warehouse facility according to claim 1 or 2, which comprises a load transfer means for transferring a load.