JP4378640B2 - Transport equipment - Google Patents

Description

  The present invention is provided with a support tool transporting device for carrying in and out transport of the support tool commanded between a storage shelf for storing a support tool for supporting an article and a picking transport device, and the picking transport device is , A delivery conveyor for transporting the support to the storage shelf, a storage conveyor arranged in parallel to the delivery conveyor to transport the support to the storage shelf, and unloading the delivery conveyor At the picking location, the relay conveyor for connecting the side end portion to the carry-in side end portion of the warehousing conveyor and transporting the support to the picking location, and the transport upper end portion are positioned near the picking location. The present invention relates to a transport facility including an article transport conveyor for transporting an article lowered from the support.

In such a transport facility, the support tool stored in the storage shelf is unloaded to the picking location, and the article is dropped from the unloaded support tool to the transport upper end of the article transport conveyor, and the article is transported by the article transport conveyor. Is transported to the transport destination, and the support that has finished unloading the article is stored in the storage shelf.
In such a transport facility, the relay conveyor is configured so that the support is mounted and transported by a pair of mounting and transporting portions provided in a state of being spaced apart in the width direction intersecting the transport direction. The conveyor for conveying articles is between a pair of placing and conveying sections in the relay conveyor and on the upper side of the conveyor that is movable up and down from the picking location, and between the delivery conveyor and the entry conveyor. When transporting articles with the article transport conveyor, the transport surface of the upper hand part is raised so that it is positioned above the transport surfaces of the pair of loading transport units. When the article is passed from the upper part to the lower part and conveyed to the lower part, and the support tool is conveyed by the relay conveyor, the picking operation is completed. Relay console When the support tool is stored in the storage shelf, the upper-side portion is positioned below the transport surface of the pair of loading and transporting portions so that the support tool and the upper-hand side portion of the article transport conveyor do not interfere with each other. In some cases, the support is moved so as to pass over the upper side portion (see, for example, Patent Document 1).

Japanese Examined Patent Publication No. 56-22765

However, in the above transport facility, the lower part of the article transport conveyor is provided between the entry conveyor and the exit conveyor, so that the article transport conveyor is provided between the entrance conveyor and the exit conveyor. It is necessary to provide an entry conveyor and an exit conveyor at a distance so that a sufficient space is provided, and thus an article transport conveyor is provided between the entrance conveyor and the exit conveyor. By forming the space, the picking transport device becomes large, and when it is not possible to form a space for providing an article transporting conveyor between the warehousing conveyor and the shipping conveyor, An article conveying conveyor could not be provided.
Further, in the above-mentioned transport facility, when transporting an article on the article transport conveyor, the transport surface of the upper-side portion is raised so as to be positioned above the transport surface of the pair of loading transport sections, and the relay conveyor is used. When transporting the support tool, it is necessary that the upper side portion of the article transport conveyor be configured to be movable up and down so that the upper side portion is lowered so as to be positioned below the transport surfaces of the pair of loading and transporting units. In addition, the configuration of the article conveying conveyor becomes complicated.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an article conveying conveyor regardless of the interval between the delivery conveyor and the entry conveyor, and the article conveying conveyor. It is in the point which provides the conveyance equipment which can make the structure of this simple.

In order to achieve this object, the first characteristic configuration of the transport facility according to the present invention is that the support tool that is instructed between the storage shelf that stores the support tool that supports the article and the transporting device for picking is stored. A supporting device conveying device for conveying is provided, and the picking conveying device is arranged in parallel with the unloading conveyor for conveying the supporting tool to the storage shelf, and the unloading conveyor is connected to the storing shelf. A conveyor for conveying the support, a conveyor for connecting the unloading side end of the unloading conveyor and an unloading side end of the unloading conveyor, and conveying the support to a picking location; In a transfer facility configured to include an article transfer conveyor configured to transfer an article lowered from the support at the picking position with an upper end located near the picking position. ,
One or both of the unloading conveyor and the warehousing conveyor mount and convey the support in a pair of loading and conveying sections provided in a state of being spaced apart in the width direction intersecting the conveying direction. Between the pair of loading and transporting units so that the article transporting conveyor is in an inclined posture that is positioned below the lower conveyance side and below the conveyance surface of the pair of loading and conveying units. It is in the point provided in.

  That is, since the article transport conveyor is provided between a pair of placement and transport sections provided on one or both of the delivery conveyor and the entry conveyor, the article transfer conveyor is provided between the delivery conveyor and the entry conveyor. Unlike the case where a delivery conveyor is provided in the container, it is not necessary to provide the entry conveyor and the delivery conveyor at a distance so that a space for providing the article conveyance conveyor is formed. In addition, the article conveying conveyor can be provided even when a space for providing the article conveying conveyor cannot be formed between the warehousing conveyor and the leaving conveyor.

Furthermore, since it is provided so that it may be located below the conveyance surface of a pair of mounting conveyance part provided in one or both of the delivery conveyor and the entry conveyor, it is not only a relay conveyor but also an exit conveyor. When the support is transported by the warehousing conveyor, the transported support tool and the article transport conveyor do not interfere with each other. Therefore, the configuration of the article conveying conveyor can be simplified.
And since the conveyor for goods conveyance is provided so that it may be located below the conveyance lower side, the conveyance upper side is provided in the state slightly lower than the conveyance surface of a pair of loading conveyance parts, and the article from the support While it is easy to lower articles to the upper transport side of the transport conveyor, the lower transport side can be provided below the unloading conveyor, the receiving conveyor, and the relay conveyor.

  Therefore, the article transporting conveyor is positioned below the transport surface of the pair of transporting units between the pair of mounting and transporting units provided on one or both of the shipping conveyor and the receiving conveyor. By providing, it is possible to provide an article transport conveyor regardless of the interval between the delivery conveyor and the entry conveyor, and to provide a transport facility capable of simplifying the configuration of the article transport conveyor. I was able to do it.

  The 2nd characteristic structure of the conveyance facility concerning this invention is the 1st characteristic structure, The said conveyor for delivery is comprised including the said pair of mounting conveyance part, The said conveyor for goods conveyance is in the said conveyor for delivery. It exists in the point provided between a pair of said mounting conveyance part.

  That is, the article conveying conveyor is configured to place and convey articles, and when the article conveying conveyor is provided between a pair of placing and conveying sections in the warehousing conveyor, the support tool is removed from the picking location. When conveying toward the storage shelf, if the upper part of the article lowered onto the article conveying conveyor protrudes above the conveying surfaces of the pair of loading and conveying sections, the article and the support will interfere with each other. There is a possibility, but when the conveyor for conveying goods is provided between the pair of loading and conveying sections in the conveyor for warehousing, when the support tool is conveyed from the picking position toward the storage shelf, it is lowered to the conveyor for conveying goods. Even if the upper part of the article is lowered so as to protrude upward from the conveying surfaces of the pair of loading and conveying units, there is no possibility that the article and the supporting tool will interfere with each other, Entering It can be carried out smoothly.

  A third feature configuration of the transport facility according to the present invention is the first or second feature configuration, wherein a plurality of the picking transport devices are provided, and the goods are carried out from the article transport conveyor provided in each of the picking transport devices. The joining conveyor which joins and conveys the articles | goods to be carried out exists in the point provided below the said warehousing conveyor and the said warehousing conveyor.

  That is, by providing the merging conveyor, it is not necessary to provide each of the article conveying conveyors up to the conveying destination, and the conveying equipment can be installed with a simple structure and in a space-saving manner.

DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment of a transport facility according to the present invention will be described with reference to the drawings.
As shown in FIG. 1, the transport facility is provided with a plurality of pairs, one pair of storage shelves 3 for storing containers 2 as support tools for supporting the articles 1. A stacker crane 5 that can travel along the traveling rail 4 is provided between the pair of storage shelves 3 facing each other, and the container 2 discharged from the storage shelf 3 is moved by the stacker crane 5. The container 2 is transferred to the transfer conveyor 6 provided on the entrance side of the storage shelf 3, and the container 2 received from the transfer conveyor 6 is stored in the storage shelf 3. As shown in FIG. 3, the container 2 is configured to support a plurality of articles 1 at the bottom of the container 2.

Further, the transport facility is provided with a transport vehicle 8 that can run along the loop-shaped guide rail 7, and the container 2 is transported to the picking point P outside the guide rail 7 in addition to the transfer conveyor 6. A plurality of picking transport devices 9, a loading / unloading conveyor 10 for transporting the container 2 to the outside, and a converging conveyor 13 for transporting the articles 1 transported from the picking transport device 9. The vehicle 8 is configured so that the container 2 can be received and delivered between the transfer conveyor 6, the picking and conveying device 9, and the loading / unloading conveyor 10.
That is, the transport vehicle 8 transfers the container 2 received from the loading / unloading conveyor 10 to the transfer conveyor 6, transfers the container 2 received from the transfer conveyor 6 to the loading / unloading conveyor 10, and transfer The container 2 received from the conveyor 6 is delivered to the picking transport device 9, and the container 2 received from the picking transport device 9 can be delivered to the transfer conveyor 6.

And the picking operation device 12 is provided near the picking location P, and when the start of the picking work is instructed by the operation of the picking operation device 12, the stacker crane 5 or the transfer conveyor 6, By operating the transporting vehicle 8 and the picking transport device 9, the commanded container 2 out of the containers 2 stored in the storage shelf 3 is discharged to the picking point P, and the picking operation device 12 is operated to perform the picking work. When the termination is instructed, the picking transport device 9, the transport vehicle 8, the transfer conveyor 6, and the stacker crane 5 are operated so that the container 2 located at the picking point P is received in the storage shelf 3. Yes.
That is, the container transport device 11 as a support tool transport device for carrying in / out transport of the container Y commanded between the storage shelf 3 and the picking transport device 9 includes the stacker crane 5, the transfer conveyor 6, and the transport vehicle 8. And is configured.

Next, the picking transport device 9 will be described.
As shown in FIG. 3, the picking transport device 9 includes a shipping conveyor 14 that transports the container 2 with respect to the storage shelf 3, and the storage conveyor 3 that is arranged in parallel with the shipping conveyor 14. Connecting the conveyor 2 for transporting the container 2, the unloading side end of the unloading conveyor 14 and the unloading side end of the unloading conveyor 15, and relaying the container 2 to the picking point P Conveyor 16 and an article conveying conveyor 17 that conveys the article 1 that has been unloaded from the container 2 at the picking position P with the upper end of the conveying position positioned near the picking position P. .
Accordingly, the container 2 delivered from the transport vehicle 8 to the picking transport device 9 is delivered to the carry-in side end of the delivery conveyor 14. The container 2 is sequentially transferred from the unloading conveyor 14 to the relay conveyor 16 and the warehousing conveyor 15 in this order, and the container 2 transferred from the picking transfer device 9 to the transfer vehicle 8 is an unloading end of the warehousing conveyor 15. Passed from the side. In addition, a picking point P is provided in the middle of conveyance in the relay conveyor 16. In the picking transport device 9, the unloading conveyor 14, the warehousing conveyor 15, and the relay conveyor 16 are arranged in a U shape.

As shown in FIG. 3, the delivery conveyor 14 has a lateral width in which a pair of placement conveyance units 18 that place and convey the container 2 along the conveyance direction of the delivery conveyor 14 intersect the conveyance direction of the delivery conveyor 14. The storage conveyor 15 is provided with a pair of mounting and transporting units 18 for mounting and transporting the container 2 along the transporting direction of the storage conveyor 15, and the transporting direction of the storage conveyor 15. It is provided in a state of being spaced apart in the intersecting lateral width direction.
That is, the container 2 is transported by a pair of placing and transporting sections 18 provided in a state where both the unloading conveyor 14 and the warehousing conveyor 15 are spaced apart in the width direction intersecting the transport direction. It is comprised so that it may mount and convey along a direction.
Each of the loading and transporting sections 18 is provided at a driving sprocket 19 provided at the unloading end of the unloading conveyor 14 or the unloading conveyor 15 and at an unloading end of the unloading conveyor 15 or the unloading conveyor 14. The chain 21 is wound around the driven sprocket 20 that is formed.

  The relay conveyor 16 includes a roller conveyor 16a in which rollers 22 that rotate about an axis along a width direction intersecting the transport direction of the relay conveyor 16 are arranged in parallel along the transport direction of the relay conveyor 16, and a relay conveyor 16a. And a pair of chain conveyors 16b provided at intervals in the conveying direction of the conveyor 16. Then, the container 2 is placed and conveyed by the roller conveyor 16a along the conveyance direction of the relay conveyor 16, and the pair of chain conveyors 16b along the width direction of the relay conveyor 16, that is, the shipping conveyor 14 In addition, the container 2 is placed and transported along the transport direction of the warehousing conveyor 15. Further, the unloading conveyor 14 and the warehousing conveyor 15 have a distance between the pair of loading / conveying units 18 so that the pair of loading / unloading units 18 can mount and convey both sides in the width direction of the container 2. It is comprised so that it may become smaller than the magnitude | size of the horizontal width direction.

A description will be given of the chain conveyor 16b of the relay conveyor 16. The pair of chain conveyors 16b are provided at the carry-in side end and the carry-out side end of the relay conveyor 16, respectively. The roller 22 is provided so as to be positioned in the transport direction of the relay conveyor 16. Then, as shown in FIG. 5, the pair of chain conveyors 16 b are integrally moved up and down by the lifting cylinder 23, and the pair of chain conveyors 16 b have their conveyance surfaces positioned above the conveyance surface of the roller conveyor 16 a. It is configured to be movable up and down to an upper position (see FIG. 5 (a)) and a lowered position (see FIG. 5 (b)) where the entire pair of chain conveyors 16b is located below the conveying surface of the roller conveyor 16a. .
And the roller conveyor 16a is provided so that the conveyance surface may become lower than the conveyance surface of the conveyor 15 for warehousing, and the conveyor 14 for unloading, and a pair of chain conveyor 16b has a conveyance surface for warehousing in the state located in an elevated position. The conveyor 15 and the delivery conveyor 14 are provided so as to have substantially the same height as the conveying surface.

That is, by transferring the container 2 from the unloading conveyor 14 to the chain conveyor 16b located at the rising position, the container 2 is transferred from the unloading conveyor 14 to the relay conveyor 16, and the chain conveyor 16b is moved from the rising position. The container 2 is lowered to the lowered position and lowered onto the roller conveyor 16a, and the container 2 is conveyed to the picking point P by the roller conveyor 16a.
Then, the container 2 transported from the picking point P to the unloading side end by the roller conveyor 16a raises the chain conveyor 16b from the lowered position to the raised position, scoops the container 2 with the chain conveyor 16b, and is positioned at the raised position. The container 2 is transferred from the relay conveyor 16 to the warehousing conveyor 15 by transferring the container 2 from the chain conveyor 16b to the warehousing conveyor 15.
The picking location P is provided with a sensor (not shown) for detecting whether or not the container 2 has been transported to the picking location P. Based on the detection result of this sensor, the driving of the roller conveyor 16a is stopped and the container is stopped. 2 is stopped at the picking location P, and when the end of the picking operation is instructed by the operation of the picking operation device 12 as described above, the container 2 is transported toward the transport side end.

As shown in FIG. 2 and FIG. 3, the article transporting conveyor 17 has an inclined posture in which the whole is positioned downward toward the lower transport side, and the transport surface of the pair of loading and transporting sections 18 in the shipping conveyor 14. It is provided between the pair of placement conveyance units 18 so as to be positioned further downward.
And the interval of a pair of mounting conveyance part 18 is larger than the magnitude | size of the width direction of the article | item 1 so that the conveyor 15 for warehousing can drop the article | item 1 to the conveyor 17 for article conveyance through between a pair of mounting conveyance part 18. FIG. It is configured to be large. Further, in the warehousing conveyor 15, the distance between the pair of loading and conveying sections 18 is for conveying articles so that the entire width of the article conveying conveyor 17 can be positioned between the pair of loading and conveying sections 18. It is comprised so that it may become larger than the magnitude | size of the horizontal direction of the conveyor 17. FIG. In addition, as shown in FIG. 4, the conveyor 17 for goods conveyance is provided so that it may not overlap with a pair of mounting conveyance part 18 by a side view.

  Further, as shown in FIG. 1, the transport facility is provided with a merging conveyor 13 for merging and transporting the articles 1 transported from the article transporting conveyors 17 provided in each of the picking transport devices 9. As shown in FIGS. 2 and 4, this merging conveyor 13 is provided below the warehousing conveyor 15 and the warehousing conveyor 14, and the article 1 unloaded from the container 2 at the picking point P is received. When placed on the upper end of the article conveying conveyor 17, it is conveyed obliquely downward by the article conveying conveyor 17 and merges with the merging conveyor 13, and the merging conveyor 13 receives the warehousing conveyor 15 and the delivery conveyor 14. It is conveyed to the destination through below.

[Another embodiment]
(1) In the above embodiment, the entire article transport conveyor 17 is inclined, but for example, the upper transport side end and the lower transport end of the article transport conveyor 17 are in a horizontal position, and the rest The part may be in an inclined posture, and the article conveying conveyor 17 may be partially inclined, and the article conveying conveyor may be provided with an inclined portion and a horizontal portion.
In the above embodiment, the entire article transporting conveyor 17 is provided between the pair of placing and conveying sections 18, but only a part of the article transporting conveyor 17 is disposed between the pair of placing and conveying sections 18. You may comprise so that it may provide. That is, the interval between the pair of loading and conveying units 18 is configured to be smaller than the size of the article conveying conveyor 17 in the horizontal width direction, and only the central portion in the horizontal width direction of the article conveying conveyor 17 is configured as a pair of loading and conveying units. 18, and when the conveyance direction is changed between the conveyance upper side portion and the conveyance lower side portion of the article conveyance conveyor 17, the conveyance upper side portion is placed as a pair of placement conveyances. It may be configured so as to be provided between the portions 18 and not to be provided between the pair of loading and transporting portions 18.

(2) In the above-described embodiment, the pair of loading / conveying units 18 are provided in both the warehousing conveyor 15 and the shipping conveyor 14, but the pair of loading / conveying units 18 is provided only in the shipping conveyor 14. You may comprise so that a pair of mounting conveyance part 18 may be provided only in the conveyor 15 for warehousing.
Moreover, in the said embodiment, although the article conveyance conveyor 17 was provided between a pair of mounting conveyance parts 18 in the delivery conveyor 14, articles conveyance between the pair of loading conveyance parts 18 in the warehousing conveyor 15 was carried out. The conveyor 17 for goods may be provided, and the conveyor 17 for conveying articles may be provided between the pair of loading / conveying sections 18 in the delivery conveyor 14 and between the pair of mounting / conveying sections 18 in the warehousing conveyor 15. It may be provided.

(3) In the above-described embodiment, the merging conveyor 13 is provided, and the articles 1 carried out from the article conveying conveyors 17 provided in each of the picking conveying apparatuses 9 are merged and conveyed. Even if it does not provide the merging conveyor 13, the articles 1 carried out from the article conveying conveyors 17 provided in each of the picking conveying devices 9 may be individually conveyed by each of the article conveying conveyors 17. Good. Further, when only one picking transport device is provided, it is not necessary to provide the junction conveyor 13.

(4) In the above-described embodiment, each of the placing and conveying units 18 is configured as a chain type in which the chain 21 is wound around the drive sprocket 19 and the driven sprocket 20, but a plurality of rollers are arranged in the conveying direction. You may comprise the provided roller type.

(5) In the above embodiment, the article conveying conveyor 17 is provided on the pair of loading and conveying sections 18 so as not to overlap in side view. However, the article 1 is used for conveying articles so that the article 1 can be easily lowered to the upper conveyance side. The conveyor 17 is provided so as to overlap the pair of loading and conveying sections 18 in a side view, and the conveyance upper side portion of the article conveying conveyor 17 is made closer to the conveying surface of the pair of loading and conveying sections 18 than in the above embodiment. You may comprise so that it may be located close.

(6) In the above embodiment, the article 1 is lowered from the support 2 to the article conveying conveyor 17, and the article 1 is directly conveyed by the article conveying conveyor 17. The article 1 may be placed in the container, the article 1 is lowered from the support 2 to the container, and the article 1 is conveyed by the article conveying conveyor 17 in a state where the article 1 is stored in the container.

(7) In the above embodiment, the support tool is the container 2, but the support tool may be a plate like a pallet in addition to a container such as the container 2.

Plan view of transfer equipment Plan view of picking conveyor Side view of picking conveyor Action diagram of picking and conveying device The figure which shows the conveyor for goods conveyance and the confluence conveyor

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Goods 2 Supporting tool 3 Storage shelf 9 Picking conveyance apparatus 11 Supporting tool conveying apparatus 13 Conveying conveyor 14 Unloading conveyor 15 Warehousing conveyor 16 Relay conveyor 17 Goods conveying conveyor 18 Placement conveyance part P Picking location

Claims (3)

A support tool transporting device for transporting the support tool in and out of the storage shelf that stores the support tool for supporting the article and the picking transport device is provided;
The picking transport device is a shipping conveyor that transports the support tool to the storage shelf, and a storage conveyor that is arranged in parallel to the shipping conveyor and transports the support tool to the storage shelf; A relay conveyor for connecting the delivery-side end of the delivery conveyor and the delivery-side end of the delivery conveyor and transporting the support to the picking location, and a transport upper end located near the picking location. A conveying facility configured to include an article conveying conveyor for conveying an article lowered from the support at the picking location,
One or both of the unloading conveyor and the warehousing conveyor mount and convey the support in a pair of loading and conveying sections provided in a state of being spaced apart in the width direction intersecting the conveying direction. Configured as
The article conveying conveyor is provided between the pair of loading and conveying sections so as to be positioned below the conveying surface of the pair of loading and conveying sections in an inclined posture that is positioned below the conveying lower side. Transport equipment. The unloading conveyor is configured to include the pair of placement conveying units,
The conveying equipment according to claim 1, wherein the article conveying conveyor is provided between the pair of placement conveying units in the shipping conveyor. A plurality of picking transport devices are provided,
2. A merging conveyor for merging and conveying articles carried from the article conveying conveyors provided in each of the picking conveying apparatuses is provided below the warehousing conveyor and the warehousing conveyor. Or the conveyance facility of 2 description.

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