JPH10120161A - Delivery conveyor device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To smoothly transfer and place a cargo on a delivery conveyor while a conveying carriage travels by transferring the cargo in a direction composed of a travelling direction of the carriage and a moving direction of a conveyor delivered from the carriage by a driving roller set inclined in the moving direction of the carriage. SOLUTION: A driving roller 2 forming a receiving part is installed at an angle inclined in the moving direction of a conveying carriage 6 and driven synchronously with travelling speed of the carriage 6. Consequently, the driving roller 2 of a delivery conveyor device is provided inclined in the moving direction of the carriage 6, and a cargo to be transferred and placed on the delivery conveyor from the carriage 6 while the carriage 6 travels is transferred in a direction composed of the travelling direction of the carriage 6 and the moving direction of a conveyor 7 delivered from the carriage 6 by the driving roller 2 set inclined in the moving direction of the carriage 6. Consequently, it is possible to transfer and place the cargo smoothly on the conveyor while the carriage 6 travels.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unloading conveyor device for receiving a load from a transport trolley, and more particularly to an unloading conveyor device capable of transferring a load to an unloading conveyor while the transport trolley is stopped without stopping the transport trolley. About.

[0002]

2. Description of the Related Art Conventionally, the transfer of a load between a transport trolley and an unloading conveyor is performed by temporarily stopping the transport trolley at the position of the unloading conveyor, supplying the load from the supply conveyor of the transport trolley to the unloading conveyor, and discharging the load by the unloading conveyor. It was done. However, in the conventional apparatus as described above, the transport trolley must stop every time a load is transferred to the unloading conveyor,
Since the vehicle is repeatedly stopped and run, it has been difficult to efficiently carry out the load due to a large loss time.

Further, in an automatic warehouse or the like in which the roller conveyor is installed, a load transfer device and an unloading device are separately and independently provided, and each installation space is required.

[0004]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the conventional apparatus. When a load is transferred from a transport vehicle to an unloading conveyor, the load is not stopped while the transport vehicle is stopped. The object of the present invention is to provide an unloading conveyor device capable of transferring the unloaded conveyor to an unloading conveyor. Also,
An object of the present invention is to reduce the space for loading and unloading devices by arranging a transfer device for supplying loads to a transport trolley on one side of the unloading conveyor device.

[0005]

According to the present invention, there is provided a conveyor device for receiving and unloading a load from a transport trolley, wherein a drive roller forming a receiving portion is mounted at an angle inclined in the direction of movement of the transport trolley, and is transported. Truck speed,
It is characterized by being driven in synchronization with the transfer speed.

According to the present invention, the driving rollers of the unloading conveyor device are provided so as to be inclined in the moving direction of the transporting cart, so that the load transferred from the transporting cart to the unloading conveyor during the traveling of the transporting cart is: The drive rollers, which are installed obliquely in the direction of movement of the transport vehicle, are transported in a direction synthesized from the traveling direction of the transport vehicle and the travel direction of the conveyor sent out from the transport vehicle. Can be smoothly transferred to the carry-out conveyor.

Furthermore, the mounting angle of the drive roller, the conveyor speed V _c of the transport vehicle and the speed V _R of the conveyance carriage,

[0008]

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And the driving speed is

[0010]

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[0011] By a, load which is transferred to the drive roller from the conveying carriage, with respect to the running direction of the transport carriage, at a traveling speed V _R of the conveyance carriage, with respect to out direction of the conveyor of the transport carriage because is transferred at the discharge velocity V _c of the conveyor, the discharge conveyor from the transport carriage traveling can transfer the load smoothly and then transferred to output conveyor without disturbing the orientation of the load, to be carried out it can.

Further, the present invention relates to an unloading conveyor device.
A transfer device for supplying a load to a transport trolley is arranged on the side. According to the present invention, since the transfer device is provided in parallel with the unloading conveyor device, the installation space for the transfer and unloading device can be reduced.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to a first aspect of the present invention is directed to an unloading conveyor device for receiving and unloading a load from a transport vehicle, wherein a driving roller forming a receiving portion is inclined at an angle inclined in the moving direction of the transport vehicle. Mounting, a traveling speed of the transport vehicle, a discharge conveyor device that is driven in synchronization with the transfer speed, according to the present invention, the drive roller of the discharge conveyor device is inclined in the moving direction of the transport vehicle. Since the transport vehicle is provided, the load transferred from the transport vehicle to the unloading conveyor during the travel of the transport vehicle is driven by the drive rollers installed at an angle in the moving direction of the transport vehicle and the traveling direction of the transport vehicle and the transport vehicle. Is transported in a direction synthesized from the moving direction of the conveyor sent out from the conveyor, the load can be smoothly transferred to the unloading conveyor while the transport cart is running.

According to a second aspect of the present invention, the mounting angle of the drive roller is determined based on the speed V _R of the carrier and the conveyor speed V _{c of the} carrier.

[0015]

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And the speed is

[0017]

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[0018] In the unloading conveyor device, the load transferred from the transport vehicle to the drive roller moves the transport speed V _{R of the} transport vehicle in the traveling direction of the transport vehicle.
In, for unloading direction of the conveyor of the transport carriage, since it is transported by the discharge speed V _c of the conveyor, the discharge conveyor from the transport carriage traveling can transfer the load smoothly and to break the attitude of the load Can be transferred to the unloading conveyor and unloaded.

According to a third aspect of the present invention, there is provided a transfer device, wherein a transfer device for supplying a load to a transfer trolley is provided side by side with the conveyor device according to the first aspect. In addition, the installation space of the unloading device can be reduced, the entire device can be made compact, and the working efficiency can be improved. According to a fourth aspect of the present invention, the transfer device includes a rotating roller that unloads the load to the transport trolley, a pusher that moves in the rotational direction of the rotary roller and pushes the load toward the transport trolley, and a moving direction of the pusher. A transport device comprising a slide guide that moves in a direction perpendicular to the direction and pushes the load in the direction of movement of the transport trolley, and has the same operation as the invention according to claim 3.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view showing an unloading conveyor according to the present invention. The unloading conveyor includes a receiving table 1, a driving roller 2, a turning roller 3, an unloading unit 4, and an unloading roller 5. Reference numeral 6 denotes a transport cart, which includes a conveyor 7 for unloading the pallet 8 and an optical transmission device 9. In the present invention, the drive roller 2 provided on the load receiving table 1 is moved in the moving direction of the carrier 6 as shown in FIG. 1 so that the pallet 8 can be carried out while the carrier 6 is traveling. Installed at an angle. Mounting angle of the drive roller 2 in order to perform the unloading of the pallet 8 from the transport carriage 6 running smoothly, the speed of the conveying carriage 6 and V _R, the carry-out speed of the conveyor 7 of the conveyor carriage and V _c,

[0021]

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At the angle required in the above, the speed is

[0023]

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Is driven. When the velocity V _R and velocity V _c of the conveyor 7 of the conveying carriage of the conveying carriage 6 and the same, next θ is 45 ° from the above equation, the angle in this case is as shown in FIG. 1, the driving roller 2 is 45 ° And the speed of the drive roller 2 is

[0025]

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It is driven at double speed. The operation in the above embodiment will be described. When the transport vehicle 6 approaches the unloading conveyor and reaches the unloadable position, the optical transmission device 9
And a receivable signal from the unloading conveyer, and after confirming each signal, the driving roller 2, the turning roller 3, and the unloading roller 5 of the unloading conveyor on the ground side are transmitted. to start.

Next, when the photoelectric switch provided on the carrier 6 detects a striker provided at a predetermined position on the passage of the carrier, the conveyor 7 of the carrier 6 is detected.
To start loading the pallet. Conveying carriage 6 travels at a speed V _R, pallet 8 is placed on the conveying carriage 6 is fed to the receiving platform side unloading speed V _c of the conveyor 7. On the other hand, the drive roller 2 attached to the

[0028]

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The driving roller 2 is set at an angle required by the following _equation.

[0030]

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The pallet 8 on which the drive roller 2 has been transferred is moved at a travel speed V _R of the transport vehicle on the drive roller 2 with respect to the travel direction of the transport vehicle.
For out direction of the conveyor 7, transported by unloading speed V _c of the conveyor 7, smoothly from the conveyance carriage traveling,
In addition, the pallets can be transferred to and carried out from the carry-out conveyor without disturbing the posture of the pallets. The pallet 8 conveyed by the driving roller 2 is supplied to the unloading roller 5 of the unloading unit 4 via the turning roller 3 provided on the unloading unit 4 side of the load receiving table 1.

Reference numeral 10 denotes a transfer abnormality detecting sensor, which is provided at the end of the load receiving table 1 in the traveling direction of the transport trolley.
It operates when the pallet 8 collides with the end of the receiving table 1 and detects a transfer abnormality. FIG. 2 is an embodiment showing another embodiment of the present invention, and a transfer device in which a transfer device for supplying a load to a transfer cart is provided on one side of the unloading conveyor device shown in the above embodiment. FIG.

Hereinafter, another embodiment of the present invention will be described with reference to FIG. Note that the description of the unloading conveyor device is the same as that of the above-described embodiment, and will be omitted. In the figure,
Reference numeral 21 denotes a transfer machine according to the present invention, in which motor rollers 22 are supported on roller support frames 23 at regular intervals. Reference numeral 24 denotes a pusher, which is a linear motion device 2 provided on both sides of the transfer machine 21.
The motor roller 22 is supported by a pusher support 26 that is screw-connected to the motor 5, and runs parallel to the installation direction of the motor roller 22.

Reference numeral 27 denotes a slide guide, which is a chain 28 stretched between guide rollers provided on both sides of the machine base 21.
The motor roller 22 is configured to move along the direction perpendicular to the moving direction of the pusher 24, that is, the length direction of the motor roller 22. Reference numeral 30 denotes a supply unit for supplying a pallet to the transfer machine 21, and a supply roller 2 for transporting a pallet supplied from a stacker crane (not shown) or the like.
9.

Next, the operation will be described. The pallet 8 supplied from a transporting means such as a stacker crane is supplied from the supply roller 29 to the transfer device 21. Carriage 6
Arrives at the transferable position, via the optical transmission device 9,
When the conveyor 7 of the transport vehicle 6 is started, and then a photoelectric switch (not shown) detects the transport vehicle 6, the motor roller 22, the pusher linear motion device 25, and the slide guide driving motor (not shown) of the transfer machine are provided. ) Are simultaneously activated to simultaneously drive the motor roller 22, the pusher 24 and the slide guide 27.

The transfer speed of the pusher 24 is set to be the same as the speed of the conveyor 7 of the carrier 6, and the transfer speed of the slide guide 27 is set to be the same as the travel speed of the carrier 6. It is transferred along a locus indicated by a dotted line in FIG.

In this operation, the speed of the pusher 24 and the speed of the conveyor 7 are the same in the direction of the carrier 6, and the speed of the carrier 6 is the same as the direction of travel of the carrier 6. Since the speed is the same as the speed of the slide guide 27, the transfer of the pallet 8 between the transfer machine and the transport vehicle is performed smoothly, and the posture of the pallet does not change during the transfer. In the present embodiment, the transfer device capable of transferring the pallets to the moving transport vehicle is arranged in parallel with the unloading conveyor device capable of unloading the pallets from the moving transport vehicle, so that the pallets can be efficiently loaded and unloaded. it can.

[0038]

According to the present invention, since the drive rollers of the unloading conveyor device are provided to be inclined in the moving direction of the transporting cart, the load transferred from the transporting cart to the unloading conveyor while the transporting cart is running. Is transported in a direction synthesized from the traveling direction of the transport vehicle and the traveling direction of the conveyor of the transport vehicle by the drive rollers installed at an angle in the traveling direction of the transport vehicle. Can be smoothly transferred to the carry-out conveyor.

Further, the mounting angle of the drive roller is determined from the speed V _R of the transport vehicle and the conveyor speed V _{c of the} transport vehicle.

[0040]

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And the driving speed is

[0042]

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By the [0043], load which is transferred to the drive roller from the conveying carriage, with respect to the running direction of the transport carriage, the running V _R of the conveyance carriage, for the unloading direction of the conveyor of the transport carriage since the transported at the discharge velocity V _c of the conveyor can smoothly transfer the load to the discharge conveyor from the transport carriage traveling, and then transferred to output conveyor without disturbing the orientation of the load can be unloaded.

Further, the present invention relates to an unloading conveyor device.
The transfer device that supplies the load to the transport trolley is arranged on the side, and the transfer device is arranged in parallel with the unloading conveyor device, so that the installation space of the transfer and unloading device is reduced. Can be.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a plan view showing another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Load receiving table 2 Drive roller 3 Deflection roller 4 Unloading part 5 Unloading roller 6 Transport cart 7 Conveyor 8 Pallet 9 Optical transmission device 10 Transfer abnormality detection sensor 21 Transfer device 22 Motor roller 23 Support frame 24 Pusher 25 Linear device 26 Pusher Support stand 27 Slide guide 28 Chain 29 Supply roller 30 Supply section

Claims (4)

[Claims] In a conveyor device for receiving and unloading a load from a transport vehicle, a drive roller forming a receiving portion is mounted at an angle inclined in a moving direction of the transport vehicle, and is synchronized with a traveling speed and a transfer speed of the transport vehicle. An unloading conveyor device driven. Mounting angle of 2. A driving roller from the conveyor velocity V _c of the transporting carriage and the running speed V _R of the conveyance carriage, embedded image And the speed is given by The roller conveyor device according to claim 1, wherein: 3. A transfer device, wherein a transfer device for loading a load into a transfer carriage is provided side by side with the unloading conveyor device according to claim 1. 4. A transfer device comprising: a rotating roller for unloading a load to a transport vehicle; a pusher for moving the load in the direction of rotation of the rotary roller and extruding the load toward the transport vehicle; and a pusher for moving the load in a direction perpendicular to the moving direction of the pusher. 4. The transfer device according to claim 3, further comprising a slide guide that moves and pushes the load in a moving direction of the transfer cart.