JPH09202409A - Container storage automatic warehouse - Google Patents

Abstract

PROBLEM TO BE SOLVED: To store/deliver a large number of containers by providing a delivery conveyor on a delivery side for transferring the containers pushed out from an accumulation conveyor toward the delivery side on the floor surface of storing shelves only by its pushing force and receiving and carrying the containers pushed out from the storage shelves. SOLUTION: Contaners unloaded from a truck are loaded on a receiving conveyor 1 in stacked up to the certain number of stages and carried to an accumulation conveyor 2. When the containers (container C) stacked in stages are arrayed up to the length of the width of a storage shelf, the accumulation conveyor 2 is stopped. The containers of 12 rows are pushed out to the storage shelf 6 by a pushing-out machine and this operation is repeated until the storage shelf 12 is filled up with the rows of containers. When the containers are delivered, container rows are loaded on a first discharge conveyor 7 line by line and the containers are delivered to a second delivery conveyor 8. Thus, a large number of containers are stored/delivered in a short time and the construction and running costs are reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container storage warehouse for receiving an empty container for delivering food to a store, temporarily storing it, and then paying it out.

[0002]

2. Description of the Related Art Large quantities of plastic containers are used to deliver groceries to scattered stores. The container is standardized in its dimensions to facilitate human transportation. For example, 550 mm
(Length) x 450 mm (width) x 90 mm (height), 55
There are 0 mm (length) x 450 mm (width) x 180 mm (height), etc. After removing the groceries, the empty containers are transported by truck to the container collection center where they are stored before washing and stored until the next use after washing. The number of containers handled by one container collection center must reach 100,000 cases in a short period of time (for example, 3 hours), store them, and leave them in a short time. The storage operation including receiving and dispensing of the container is very inefficient because it is performed by a large number of human hands.

Japanese Unexamined Patent Publication No. 1-122814 discloses an automatic warehouse that automates the work of receiving, storing, and delivering containers. This is composed of a rotary shelf in which a plurality of accumulation conveyors formed in a loop shape in a horizontal plane are stacked, and a lifter device that moves up and down to store the container in the rotary shelf and take out the container of the rotary shelf.

[0004]

However, if the storage shelves of the above-mentioned container collection center, in which a large number of containers are intensively received in a short time, are constituted by the accumulation conveyors as described in the above publication, a large number of accumulation conveyors and a large number of accumulation conveyors are formed. It requires a lifter for a table, the volume of the warehouse is huge, and it cannot be applied as a storage shelf for a container collection center. It is conceivable that the storage shelves may be formed by arranging a number of linear accumulation conveyors laterally side by side, but in this case
There is a problem that a large number of accumulation conveyors are required, resulting in high construction and operation costs.

[0005]

The present invention solves the above problems by the following inventions.

[0006] A first aspect of the invention is that a receiving conveyor for conveying stacked containers to a receiving side of a warehouse and a container discharged from the receiving conveyor are received and conveyed at a rear end thereof, and the containers in the stacked state are received. Is provided with an accumulation conveyor that aligns from the front end portion to the rear end portion, and an extruder that pushes the container on the accumulation conveyor toward the payout side, and an extruding force of the extruder that pushes the pushed container. And a storage shelf having a floor surface capable of being transferred, and a delivery conveyor for receiving and transporting the container pushed out from the storage shelf is provided on the delivery side.

A second aspect of the invention is that, on the first floor of the warehouse, a receiving conveyor that conveys stacked containers and a container discharged from the receiving conveyor are received and conveyed at the rear end,
An accumulation conveyor that aligns the stacked containers from the front end portion to the rear end portion, an extruder that pushes the containers on the accumulation conveyor toward the payout side, and an extruder that pushes the pushed containers. A storage shelf having a floor surface capable of being transferred only by the pushing force of the storage container, and a storage shelf having a floor surface capable of transferring the aligned containers only by the pushing force on the second floor or above of the warehouse; A carriage having a push-out machine for pushing out containers to the pay-out side, and having a push-out machine for pushing out containers that are aligned with the storage shelves on each floor on the pay-out side and a dispense conveyor for receiving and discharging the containers that have been pushed out from the storage shelves. Lifting device that raises and lowers the container, and dispenses the container dispensed from the lifting device A container storing automatic warehouse provided with a conveyor out.

On the floor surface which can be transferred only by the pushing force of the storage shelves, a plurality of roller conveyors without a drive unit are arranged side by side, or a flat top chain conveyor without a plurality of drive units is side by side. Or line up with a stainless steel plate to form the floor surface.

[Operation] If the floor surface of the storage rack is composed of a floor surface capable of transferring the container only by the pushing force of the extruder, the container in the stacked state on the accumulation conveyor or the lifting device can be stored by the extruder. When pushed to the shelf, the container on the floor moves by the pushing stroke.

[0010] When the containers in the stacked state aligned on the accumulation conveyor or the elevating device are pushed out to the storage shelves one after another by the extruder, the pushed out containers push the previous containers on the storage shelves one after another. It moves and is fully stored up to the innermost part of the storage shelf.

In order to dispense the containers stored in the storage shelves as described above, the innermost container is pushed out by a dispenser for dispensing, line by line, the dispense conveyor on the dispense side or the dispense conveyor of the lifting device ( Roller conveyor)
Transfer to and perform.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

[First Embodiment] FIG. 1 is a perspective view of a warehouse according to a first embodiment of the present invention, and FIG. 2 is a first view of the present invention.
FIG. 3 is a perspective view showing a push-out device for a warehouse according to the embodiment. 1 is a receiving conveyor provided on the receiving side of the warehouse. The receiving conveyor 1 is a roller conveyor,
A person stacks the containers C transported by a truck and places them. In the figure, 15 layers are stacked. 2
Is an accumulation conveyor. The accumulation conveyor 2 is a roller conveyor, and has a stopper 3 at the rear end and a plurality of phototube switches arranged at equal intervals in the machine length direction. The rear end of the receiving conveyor 1 is disposed orthogonal to the front end of the accumulation conveyor 2, and the stacked containers C placed on the receiving conveyor 1 are conveyed to the rear end of the accumulation conveyor 2. Transfer to. The container C transferred to the rear end of the accumulation conveyor 2 is conveyed toward the front end and hits the stopper 3 to stop. At this time, the rotation of the roller under the container C is stopped by the signal from the phototube switch at the front end. When the next conveyed container C hits the container C before being stopped, the rotation of the roller thereunder is stopped in response to the signal from the photoelectric tube switch detecting the conveyed container C. In this way, the containers C that are being transported one after another hit the container C that was previously stopped and stop,
The containers C are aligned on the accumulation conveyor 2.

Reference numeral 4 is an extruder. Extruder 4
Is provided on the ceiling 5 or the beams above both ends of the storage shelf 6 so as to bridge the lower portions of a pair of frames movably suspended on a pair of rails arranged from the receiving side to the payout side. It has a push-out bar 4a. The pair of frames are reciprocating means (for example, ball screw type, wire type, etc.) from the accumulation conveyor 2 to the storage shelf 6.
It is possible to reciprocate between the dispensing ends of.

Reference numeral 6 denotes a storage shelf having a transferable floor surface provided adjacent to the accumulation conveyor 2 in the machine length direction. The transferable floor surface of the storage shelf is formed as follows. Side by side roller conveyors without multiple drives. The transfer direction is the direction toward the payout side. Side-by-side flat top chain conveyors without multiple drives. The transfer direction is the direction toward the payout side. Lining the floor with a stainless steel plate.

In the example of FIG. 1, the storage area of the storage shelf 6 is set to a size capable of storing 12 columns × 17 rows of containers.

A first payout conveyor (roller conveyor) 7 is provided along the payout end of the storage shelf 6. A second payout conveyor (roller conveyor) 8 is provided in parallel with the first payout conveyor 7 at a distance.
The first payout conveyor 7 is connected to the second payout conveyor 8 via a curved conveyor.

In the warehouse constructed as described above, the storage and payout of the container C are performed as follows.

"Storage" (1) The containers unloaded from the truck are successively placed on the receiving conveyor 1 in a state where they are stacked in a certain number of stages (15 layers in the example of FIG. 1), and are conveyed to the accumulation conveyor 2. To be done. Hereinafter, the stacked containers will be referred to as container C.

(2) The container C has the width of the storage shelf 6 on the accumulation conveyor 2 (12 in FIG. 1).
The accumulation conveyor 2 stops the transportation when the rows are aligned.

(3) The pusher 4 is moved toward the payout side by a predetermined distance to push out a group of containers arranged in 12 rows (referred to as a container row) onto the storage rack 6. The extruder 4 is returned to the retracted position.

(4) Again, the container C is placed on the receiving conveyor 1 and conveyed to the accumulation conveyor 2.

(5) When the containers C are aligned on the accumulation conveyor 2 to the width of the storage shelf 6, the accumulation conveyor 2 stops the conveyance.

(6) The extruder 4 is moved toward the payout side by a predetermined distance to push out the 12 rows of container rows onto the storage rack 6. The pushed-out container row pushes out the container row on the storage shelf first and moves it to get on the storage shelf. The extruder 4 is returned to the retracted position.

(7) Thereafter, the above (4) to (6) are repeated. As a result, the container rows pushed out from the accumulation conveyor 2 push out and move the container rows on the storage shelves one after another, and when the first container row reaches the delivery end of the storage shelves, line 17 in FIG. The extrusion by 4 is stopped. At this time, the storage rack 6 is filled with the container rows.

Further, when there is a container to be stored, it is stored in an empty or another storage shelf having a storage space.

"Payout" (1) The first payout conveyor 7 is stopped and the extruder 4
Is moved by one container row and one container row is placed on the first payout conveyor 7. (2) The second row of containers on the first dispensing conveyor 7
To the payout conveyor 8. (3) Hereinafter, (1) and (2) are repeated.

[Second Embodiment] The warehouse of this embodiment is a three-story three-dimensional warehouse.

FIG. 3 is a perspective view of the warehouse according to the second embodiment of the present invention, and FIG. 4 is a perspective view of the warehouse according to the second embodiment of the present invention.
5 is a side view of the warehouse according to the second embodiment of the present invention, and FIG. 6 is a front view of the warehouse according to the second embodiment of the present invention.

The following facilities are provided on the first floor of the warehouse.
1a and 1b are first and second receiving conveyors (roller conveyors) arranged on the receiving side. Simultaneously stacking containers C on two receiving conveyors,
In order to be placed in parallel, the length of the first receiving conveyor 1a is half the length of the second receiving conveyor 1b, as shown in FIG. An accumulation conveyor 2 is provided on the warehouse delivery side of the second receiving conveyor 1b in parallel with the second receiving conveyor 1b. This accumulation conveyor 2 has the same function as that of the first embodiment. 3 is a stopper provided at the front end of the accumulation conveyor 2. Adjacent to the warehouse delivery side of the accumulation conveyor 2, there is provided a storage shelf 6 on which two rows of container lines are placed. Reference numeral 4 denotes an extruder for extruding or ejecting the container rows on the accumulation conveyor 2 and the storage shelves 6. The storage rack 6 has the same transferable floor surface as that of the first embodiment.

On the second floor of the warehouse, a storage shelf 13 and a push-out extruder 14 are provided. Storage shelf 1 on the 3rd floor of the warehouse
5 and a pay-out extruder 16 are provided. The storage shelves 13 and the storage shelves 15 have the same transferable floor surface as that of the first embodiment, and the container storage area is a size capable of storing 12 columns × 17 rows. The push-out extruder 14 includes a pair of carriages running on a pair of rails arranged in the direction from the receiving side to the payout side at both end portions of the storage shelf 13, and an extrusion bar laid between the pair of carriages. 14a. In addition, the push-out pusher 16 is provided on both side ends of the storage shelf 15 and a pair of carriages running on a pair of rails arranged in the direction from the receiving side to the discharge side, and is bridged between the pair of carriages. It is composed of an extrusion bar 16a.

An elevating device 9 having a carriage 10 having a length that covers the entire delivery end length of each storage shelf is provided on the delivery side. The carriage 10 includes a pair of lifting guide columns 9
Guided by a, one end of the storage shelf on each floor can be moved up and down close to the dispensing end. The carriage 10 is provided with a payout conveyor (roller conveyor) 12 over the entire length in the longitudinal direction thereof.
An extruder 11 is provided to push out the container rows on the storage rack 2 to the storage shelves. Reference numeral 7 is a first payout conveyor (curved conveyor) provided at an intermediate height between the first and second floors on the payout side, and the payout conveyor 12 of the carriage 10 is provided.
The container line delivered from the second delivery conveyor 8
Relay to

In the warehouse constructed as described above, the storage and payout of the container C are carried out as follows.

"Store" (1) The containers unloaded from the truck are successively stacked on the first receiving conveyor 1a and the second receiving conveyor 1b in a state where they are stacked in a certain number of stages, and are conveyed to the accumulation conveyor 2. It

(2) When the containers C are aligned on the accumulation conveyor 2 to the width of the storage shelves 6, the accumulation conveyor 2 stops the transportation.

(3) The extruder 4 pushes the container row on the accumulation conveyor 2 to the storage shelf 6.

(4) Again, the containers C are received from the first and second receiving conveyors 1a and 1b, and the containers C are aligned on the accumulation conveyor 2 to the width of the storage shelf 6.

(5) The extruder 4 pushes the container row on the accumulation conveyor to the storage shelf.
The storage rack 6 is filled with two rows of containers.

(6) The carriage 10 of the lifting device is adjusted to the height of the storage shelf 6. One line of the container row of the storage rack 6 is placed on the delivery conveyor 12 of the carriage 10 by the extruder 4.

(7) The carriage 10 of the elevating device is adjusted to the height of the storage shelf 13 on the second floor, and the container row is sent to the storage shelf 13 by the extruder 11.

(8) (1) to (7) are repeated until the storage shelves 13 on the second floor are filled with container rows. (9) When the storage shelves 13 on the second floor are full, (1)-
The operation (8) is performed on the storage shelf 15 on the third floor.

"Payout" The container rows are withdrawn from the storage shelves on the respective floors in the same manner. Therefore, the method of delivering from the storage shelves 15 on the third floor will be described below. (1) Mount the carriage 10 of the lifting device to the storage shelf 15 on the third floor.
To the height of. (2) One row of container rows is pushed out onto the delivery conveyor 12 of the carriage by the push-out extruder 16 of the storage shelf on the third floor and placed. (3) The carriage 10 is lowered, and the payout conveyor 1
2 is adjusted to the height of the first payout conveyor 7. (4) The payout conveyor 12 of the carriage is activated, and the container row on the carriage is paid out by the second payout conveyor 8 via the first payout conveyor 7. (5) The operations of (1) to (4) are repeated, and the container rows of the storage shelves 15 on the third floor are delivered to the second delivery conveyor 8 one row at a time.

[0043]

According to the first aspect of the present invention, a stack of stacked container rows is formed by an accumulation conveyor, and one row of container rows are successively sent to a storage shelf having a floor surface that can be transferred only by pushing force. Since the container columns for one row can be stored and dispensed one after another by the extruder, a large number of containers can be stored and dispensed in a short time, and the construction cost and the operating cost are low.

According to the second invention, an accumulation conveyor for forming a stack of containers is provided on the first floor, and storage shelves having a floor surface that can be transferred only by the pushing force are provided on each floor, and the delivery conveyor is provided on the delivery side. Since the elevating device having the carriage equipped with the extruder is provided, a large amount of containers can be stored and discharged in a short time even in a small area, and the construction cost and the operating cost are low.

[Brief description of drawings]

FIG. 1 is a perspective view of a warehouse according to a first embodiment of this invention.

FIG. 2 is a perspective view showing a pushing device for a warehouse according to the first embodiment of the present invention.

FIG. 3 is a perspective view of a warehouse according to a second embodiment of the present invention.

FIG. 4 is a plan view of the first floor of the warehouse according to the second embodiment of the present invention.

FIG. 5 is a side view of the warehouse according to the second embodiment of the present invention.

FIG. 6 is a front view of the warehouse according to the second embodiment of the present invention.

[Explanation of symbols]

 1 Receiving Conveyor 2 Accumulation Conveyor 4 Extruder 4a Extrusion Bar 6 1st Floor Storage Shelf 7 1st Discharge Conveyor 8 2nd Discharge Conveyor 9 Lifting Device 9a Elevating Guide Pillar 10 Carriage 12 Discharge Conveyor 13 2nd Storage Shelf 14 Extrusion for Discharge Machine 14a Extrusion bar 15 3rd floor storage shelf 16 Extrusion machine for dispensing 16a Extrusion bar

Claims (2)

[Claims] 1. A receiving conveyor of a stacking container and a container discharged from the receiving conveyor are received and conveyed at a rear end of the receiving side of a warehouse, and the stacked container is transferred from a front end of the warehouse. An accumulation conveyor that aligns toward the rear end is provided, and an extruder that pushes the container on the accumulation conveyor toward the payout side, and the pushed container can be transferred only by the pushing force of the extruder. An automatic warehouse for storing containers, comprising: a storage shelf having a floor surface, and a delivery conveyor for receiving and transporting the container pushed out from the storage shelf on the delivery side. 2. A receiving conveyor for transporting stacked containers and a container discharged from the receiving conveyor are received and transported at a rear end on the first floor of the warehouse, and the stacked containers are transported from a front end to a rear end. An accumulation conveyor that aligns toward the parts, an extruder that pushes the container on the accumulation conveyor toward the payout side, and a floor that can transfer the pushed container by only the pushing force of the extruder A storage shelf is provided, and a storage shelf having a floor surface on which the aligned containers can be transferred only by the pushing force on the second floor and above of the warehouse, and a dispensing extruder for pushing out the containers on the storage shelf to the dispensing side. Installed on the payout side, the pusher pushes out the aligned containers to the storage shelves on each floor An automatic warehouse for storing containers, comprising: an elevating device that elevates and lowers a carriage that has a dispensing conveyor that receives and dispenses scraped containers; and a transport conveyor that transports the containers dispensed from the elevating device.