JP3846865B2 - Warehouse equipment and receipt / shipment method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a warehouse facility and a receipt / shipment method thereof in which a receiving vehicle and a shipping vehicle that are simultaneously received in a warehouse do not interfere with each other.
[0002]
[Prior art]
Conventionally, an example of a warehouse facility is shown in FIG. This is because a warehouse 3 is constructed adjacent to a factory 2 equipped with a production line 1, and a shipping side entrance 4 is formed at the center of a partition wall 3 a that partitions the factory 2 and the warehouse 3. A receiving-side entrance / exit 5 is formed on the outer wall 3b of the warehouse 3 so as to face the entrance / exit 4, and a central passage 6a is formed between the entrances 4, 5 in the warehouse 3, and a predetermined interval is provided on both sides of the central passage 6a. Side passages 6b and 6c are formed parallel to each other, and a connecting passage 6d is formed along the outer wall 3b of the warehouse 3 to connect the central passage 6a and the side passages 6b and 6c. A large number of fixed shelves 7a to 7f are arranged in parallel on both sides of the direction passages 6b and 6c, and a plurality (four in this embodiment) of storage spaces 8 are formed in each of the fixed shelves 7a to 7f. Reference numeral 9 is a loading station, and 10 is an empty pallet storage area.
In the above-described configuration, when the arrival vehicle A, for example, a manned forklift that lifts the luggage W is received through the arrival side entrance 5, the luggage W is received in the storage space 8 of the predetermined fixed shelves 7 a to 7 f. In addition, the shipment vehicle B made of, for example, an unmanned remote-operated forklift is received through the shipment side entrance 4 to ship the cargo W from the storage space 8 of the predetermined fixed shelves 7a to 7f. It is designed to be carried into the production line 1.
[0004]
[Problems to be solved by the invention]
In the above conventional configuration, the fixed shelves 7a to 7f are immovable, so that the moving distances of the vehicles A and B become longer, and the approach direction a of the incoming vehicle A that has entered the warehouse 3 and the approach direction of the shipping vehicle B Since b overlaps and faces in the same direction, for example, when the arrival vehicle A enters the side passage 6b (or 6c), the shipping vehicle B is in the same side passage 6b (or 6c). When entering the vehicle, the vehicles A and B may interfere with each other. In particular, when the shipping vehicle B (or the receiving vehicle A) is an unattended remote control type, the shipping vehicle B (or the receiving vehicle) It is difficult to stop the approach of the vehicle A) on the way, and there is a possibility that both the vehicles A and B may cause a contact accident or a collision accident.
[0005]
The present invention has been made in view of the above-mentioned conventional drawbacks, and an object of the present invention is to provide a warehouse facility and a method for receiving and shipping thereof so that an incoming vehicle and a shipping vehicle that are simultaneously received in the warehouse do not interfere with each other.
[0006]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the invention according to claim 1 is to receive an incoming vehicle from a receiving side entrance / exit of a warehouse in which a large number of shelves are arranged to receive a load on a predetermined shelf, and from a shipping side entrance / exit of the warehouse. In a warehouse facility in which a shipping vehicle is received and packages are shipped from predetermined shelves, a large number of movements in which the plurality of shelves are arranged in parallel at a predetermined interval in the center of the warehouse and movable in the longitudinal direction It is composed of shelves, and a passage communicating with each of the entrances and exits is formed around the plurality of moving shelves, and the entry directions of the receiving vehicle and the shipping vehicle passing through the passage are set to face each other. It is a feature.
[0007]
According to the above configuration, since the entering directions of the incoming vehicle and the shipping vehicle are set so as to face each other, it is possible to safely drive both the vehicles so as not to interfere with each other. In addition, since the predetermined moving shelf is moved as necessary, the moving distance of the receiving vehicle and the shipping vehicle can be shortened as compared with the conventional one, and thereby the receiving and shipping work can be performed efficiently. Can do.
[0008]
The invention according to claim 2 is characterized in that, in the invention according to claim 1, a loading / unloading sensor is provided at each of the receiving side entrance and the shipping side entrance.
[0009]
According to the above configuration, by detecting the entry of each vehicle by the entry / exit sensor, it is possible to drive the both vehicles more safely so as not to cause a path obstruction or a contact accident.
[0010]
A third aspect of the invention is characterized in that, in the first or second aspect of the invention, a moving shelf sensor for detecting movement of each moving shelf is provided in the warehouse.
[0011]
According to the above configuration, by detecting the movement of each moving shelf by the moving shelf sensor, it is possible to prevent an accident in which the moved moving shelf and the entered vehicle contact unexpectedly.
[0012]
According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, each moving shelf is based on a program recorded in a memory in response to detection signals from the respective loading / unloading sensors and the moving shelf sensor. The control part which controls the drive part of this, an arrival vehicle, or a shipment vehicle is provided.
[0013]
According to the above configuration, even when an incoming vehicle and a shipping vehicle are received at the same time, the two vehicles can be controlled so as not to interfere with each other or cause a contact accident.
[0014]
According to the fifth aspect of the present invention, a receiving vehicle is received from a receiving side entrance / exit of a warehouse in which a large number of shelves are arranged, and a load is received on a predetermined shelf, and a shipping vehicle is received from a shipping side entrance / exit of the warehouse. In the warehouse facility for shipping packages from a plurality of shelves, the plurality of shelves are composed of a plurality of movable shelves that are arranged in parallel at a predetermined interval in the center of the warehouse and are movable in the longitudinal direction. A passage communicating with each of the entrances and exits is formed in the periphery of the moving shelf, and the entrance directions of the arrival vehicle and the shipping vehicle passing through the passage are set to face each other, and the entrance side entrance and the delivery side entrance are Each warehouse sensor is provided, and a moving shelf sensor for detecting the movement of each moving shelf is provided in the warehouse. The purpose of judging whether or not an incoming vehicle has arrived, approaching the shipping vehicle to the target moving shelf when the incoming vehicle has not arrived, and the intended vehicle to arrive when the incoming vehicle has arrived It is determined whether or not the moving shelf of the shipping vehicle overlaps with the target moving shelf to be shipped by the shipping vehicle, and if it does not overlap, the shipping vehicle is brought close to the target moving shelf, and if it overlaps, the shipping vehicle is stopped. It is characterized in that when a delivery vehicle is detected by the delivery side delivery / reception sensor, the delivery vehicle in a standby state is brought closer to the target moving shelf.
[0015]
According to the above configuration, even when an incoming vehicle and a shipping vehicle are simultaneously received, the both vehicles can be controlled so that they do not interfere with each other or cause a contact accident, so that the incoming / outgoing work can be performed smoothly.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows a warehouse facility according to an embodiment of the present invention, and a large number of movable shelves 12a to 12f are arranged in parallel at a predetermined interval so as to be movable in the longitudinal direction at the center of the warehouse 3. A substantially square-shaped passage 13 communicating with the entrances 4 and 5 is formed around each of the movable shelves 12a to 12f, and two side passages 13c that connect the shipping side passage 13a and the receiving side passage 13b of the passage 13 to each other. , 13d, each moving shelf 12a-12f is formed so that it can be moved by two storage spaces 8 (see the phantom line in FIG. 1). The entry direction a and the entry direction b of the unmanned forklift shipping vehicle B are set so as to face each other. For example, a reflective photoelectric sensor or the like is provided at each of the shipping side entrance 4 and the arrival side entrance 5. Incoming / outgoing storage sensors 14 and 15 are provided, and a moving shelf sensor 16 made of, for example, a reflective photoelectric sensor is provided on the partition wall 3a and the outer wall 3b of the warehouse 3 so as to face the respective moving shelves 12a to 12f. . Since the configuration other than the above is substantially the same as that of the conventional example shown in FIG. 5, the same reference numerals are given to the same portions and the description thereof is omitted.
[0017]
FIG. 2 shows a control unit 18 composed of a microprocessor for controlling the warehouse equipment, which is recorded in the memory 19 in response to the detection signals of the storage sensors 14 and 15 and the movable shelf sensors 16. The drive unit 20 and the shipping vehicle B of each of the movable shelves 12a to 12f are controlled on the basis of the program being stored.
[0018]
The control action of the control unit 18 will be described with reference to FIG. 3. In step S 1, whether or not the shipping vehicle B has entered from the shipping side entrance 4 is checked by the shipping side entrance / exit sensor 14. If it is detected, the process proceeds to step S2, where it is checked whether or not the incoming vehicle A has received from the incoming side entrance 5 by the incoming side entrance / exit sensor 15, and if the incoming vehicle A has not been received, Then, the process proceeds to step S 3, where the shipping vehicle B is brought close to the target moving shelves 12 a to 12 f and the cargo W is shipped from the predetermined storage space 8.
[0019]
In step S2, when the arrival vehicle A is in stock, the process proceeds to step S4, where the movement shelves 12a to 12f intended for the arrival vehicle A and the movement shelves 12a to 12f intended for the shipping vehicle B overlap. Judge whether to do. Here, as shown in FIG. 4A, for example, when the moving shelf 12d intended for the arrival vehicle A and the moving shelf 12c intended for the shipping vehicle B do not overlap, the process proceeds to step S3. The shipping vehicle B is brought close to the target moving shelves 12 a to 12 f and the cargo W is shipped from the predetermined storage space 8.
[0020]
Also, as shown in FIG. 4B, for example, when the moving shelf 12b intended for the arrival vehicle A and the moving shelf 12e intended for the shipping vehicle B overlap, the process proceeds to step S5, The shipment vehicle B is made to stand by in the vicinity of the shipment side entrance / exit 4, and the process proceeds to step S <b> 6 to determine whether the arrival vehicle A that has received the package W in the predetermined storage space 8 has exited from the receipt side entrance / exit 5. If it is checked by the sensor 15 and it is detected that the arrival vehicle A has left, the process proceeds to step S3, the shipping vehicle B is brought close to the target moving racks 12a to 12f, and the luggage W is removed from the predetermined storage space 8. Ship.
[0021]
In step S3, if the cargo W is shipped from the predetermined storage space 8 by the shipping vehicle B, the process proceeds to step S7, and the shipping side entrance / exit sensor 14 determines whether the shipping vehicle B has exited from the shipping side entrance 4 or not. Check and move the shipped vehicle B to the production line 1.
[0022]
According to the above configuration, since the predetermined movable shelves 12a to 12f are moved as necessary, the moving distances of the receiving vehicle A and the shipping vehicle B can be shortened as compared with the prior art. Incoming and outgoing operations can be performed efficiently. In addition, since the entry direction a of the arrival vehicle A and the entry direction b of the shipping vehicle B are set to face each other, the both vehicles A and B can be operated safely so as not to interfere with each other. Can do. Furthermore, by detecting the entry of the vehicles A and B by the entry / exit sensors 14 and 15, both the vehicles A and B can be operated more safely so as not to interfere with each other and cause a contact accident. By detecting the movement of each moving shelf 12a-12f by each moving shelf sensor 16, it is possible to prevent accidents where the moved moving shelves 12a-12f and the vehicles A and B that have entered the vehicle contact unexpectedly. Even when the incoming vehicle A and the shipping vehicle B are received at the same time, the vehicles A and B can be controlled so that they do not interfere with each other or cause a contact accident, so that the incoming / outgoing work can be performed smoothly.
[0023]
In the above embodiment, when the arrival vehicle A is a manned operation type and the shipment vehicle B is an unmanned operation type, and both the vehicles A and B are received simultaneously, the shipment vehicle B is put on standby and received. The vehicle A is driven preferentially, but conversely, when the incoming vehicle A is unmanned operation type, the shipping vehicle B is manned operation type, and both the vehicles A and B are received at the same time. May wait the incoming vehicle A and drive the shipping vehicle B preferentially.
[0024]
【The invention's effect】
According to the invention described in claim 1, since the predetermined moving shelf is moved as necessary, the moving distance of the receiving vehicle and the shipping vehicle can be shortened as compared with the conventional one, Receipt / shipment work can be performed efficiently. In addition, since the entering directions of the incoming vehicle and the shipping vehicle are set so as to face each other, it is possible to safely drive both the vehicles so as not to interfere with each other.
[0025]
According to the second aspect of the present invention, by detecting the entry of each vehicle by the entry / exit sensor, it is possible to drive both the vehicles more safely so as not to disturb each other and cause a contact accident.
[0026]
According to the invention described in claim 3, by detecting the movement of each moving shelf by the moving shelf sensor, it is possible to prevent an accident in which the moved moving shelf and the vehicle that has entered the vehicle contact unexpectedly.
[0027]
According to the fourth aspect of the present invention, even when an incoming vehicle and a shipping vehicle are received simultaneously, the two vehicles can be controlled so as not to interfere with each other or cause a contact accident.
[0028]
According to the fifth aspect of the present invention, even when an incoming vehicle and a shipping vehicle are received at the same time, the both vehicles are controlled so as not to interfere with each other or cause a contact accident, so that an incoming / outgoing operation can be performed smoothly. be able to.
[Brief description of the drawings]
FIG. 1 is a schematic horizontal sectional view showing a warehouse facility according to an embodiment of the present invention.
FIG. 2 is a block diagram showing a control action of the control unit.
FIG. 3 is a flowchart showing the control action of the control unit.
4A is a schematic horizontal cross-sectional view of the main part when the intended moving shelf of the arrival vehicle and the intended moving shelf of the shipping vehicle do not overlap, and FIG. 4B is the intended moving shelf and shipment of the receiving vehicle. It is a general | schematic horizontal sectional view of the principal part in case the target movement shelf of a vehicle overlaps.
FIG. 5 is a schematic horizontal sectional view showing a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 3 Warehouse 4 Shipping side entrance / exit 5 Incoming side entrance / exit 12a-12f Moving shelf 13 Passage 14 Shipping side entrance / exit sensor 15 Incoming side entrance / exit sensor 16 Moving shelf sensor 18 Control part 19 Memory 20 Moving shelf drive part A Incoming vehicle B Shipping vehicle a Incoming vehicle entry direction b Outgoing vehicle entry direction W Luggage

Claims (5)

An incoming vehicle is received from a receiving side entrance of a warehouse in which a large number of shelves are arranged, and a package is received into a predetermined shelf, and a shipping vehicle is received from a shipping side entrance of the warehouse so that the package is shipped from the predetermined shelf. In the warehouse facility described above, the plurality of shelves are formed of a plurality of movable shelves arranged in parallel at a predetermined interval in the central portion of the warehouse and movable in the longitudinal direction, A warehouse facility characterized in that a passage communicating with an entrance / exit is formed, and an approach direction of the incoming vehicle and the shipping vehicle passing through the passage is set to face each other. 2. The warehouse facility according to claim 1, wherein a loading / unloading sensor is provided at each of the receiving side entrance and the shipping side entrance. The warehouse equipment according to claim 1 or 2, wherein a movement shelf sensor for detecting movement of each movement shelf is provided in the warehouse. A control unit is provided for controlling the driving unit, the receiving vehicle, or the shipping vehicle of each moving shelf on the basis of a program recorded in a memory in response to detection signals of the respective loading / unloading sensors and the moving shelf sensor. The warehouse facility according to any one of claims 1 to 3. An incoming vehicle is received from a receiving side entrance of a warehouse in which a large number of shelves are arranged, and a package is received into a predetermined shelf, and a shipping vehicle is received from a shipping side entrance of the warehouse so that the package is shipped from the predetermined shelf. In the warehouse facility described above, the plurality of shelves are formed of a plurality of movable shelves arranged in parallel at a predetermined interval in the central portion of the warehouse and movable in the longitudinal direction, A passage communicating with the doorway is formed, the entry directions of the incoming vehicle and the shipping vehicle passing through the passage are set to face each other, and an incoming / outgoing storage sensor is provided at each of the incoming side entrance and the outgoing side entrance, Is there a moving shelf sensor that detects the movement of each moving shelf in the warehouse, whether the shipment side loading / unloading sensor detects the loading of the shipping vehicle, and whether the loading side loading / unloading sensor has received the loading vehicle? When the arrival vehicle is not received, the shipment vehicle is brought close to the target moving shelf, and when the arrival vehicle is received, the target moving shelf and the shipping vehicle to be received are It is judged whether or not the target moving shelf to be shipped overlaps, and if it does not overlap, the shipping vehicle is brought close to the target moving shelf, and if it overlaps, the shipping vehicle is stopped and waited for the arrival side delivery. A receipt / shipment method in a warehouse facility, wherein when a delivery vehicle is detected by a receipt sensor, a standby shipment vehicle is brought close to a target moving shelf.

Images