JP4618513B2 - Picking-type goods storage equipment - Google Patents

Description

  The present invention relates to an article storage shelf in which a plurality of article storage units provided with a pair of left and right article supports extending in the front-rear width direction are spaced apart in the left-right direction, and the front-rear width direction of the article storage shelf. Article conveying means configured to move and move a fork-type article transfer means that can be moved back and forth in the longitudinal direction of the shelf in the lateral direction of the shelf and in the vertical direction of the shelf in the space for conveying the article on one side; On the other side in the front-rear width direction of the storage shelf, a working floor portion is provided that is installed corresponding to the height of at least some of the plurality of article storage portions for picking the article storage portion. The present invention relates to picking-type article storage equipment.

Such a picking-type article storage facility is provided with an article conveying means on one side of the article storage shelf in the front-rear width direction, and provided with a work floor on the other side of the article storage shelf in the front-rear width direction. A picking worker performs a picking operation on an article stored in the article storage unit from the work floor.
In such picking-type article storage equipment, conventionally, the operation control means for controlling the operation of the article conveying means places the article storage form in the article storage section for picking on the pair of left and right article supports. It was comprised so that the action | operation of an article conveyance means might be controlled so that it might be a form to support (for example, refer patent document 1).
The operation control means in the conventional picking-type article storage facility is configured to place and support the article storage form in the article storage section for picking on the article conveying space side of the pair of left and right article supports. The article conveying means is operated so that the article is pushed and set by a fork-type article transfer means to place and support the article on the work floor side of the pair of left and right article supports. The work floor is configured so that a large gap is not formed between the work floor portion and the articles placed and supported on the work floor side of the pair of left and right article supports. It is provided in the vicinity.
In addition, the above conventional picking-type article storage equipment only stores articles of the same width in the longitudinal direction of the shelf.

JP-A-6-239424

In the picking-type article storage facility described above, after the article is placed and supported on the article conveyance space side of the pair of left and right article supports, the article needs to be pushed by a set amount by a fork-type article transfer means. Therefore, since it takes time to store the article in the article storage unit for picking work so that the picking worker can pick it up, the storage efficiency is poor. It is necessary to push the article by a set amount with a fork-type article transfer means by providing a large gap between the article support and the article placed and supported on the article conveyance space side. Thus, the storage efficiency can be improved.
In the picking-type article storage facility, an article that has been conventionally stored in the article storage unit is a large article that is wide in the longitudinal direction of the shelf, and an article that is narrower in the longitudinal direction of the shelf than the large article is a small article. Therefore, it is desired to improve convenience of picking-type article storage equipment by storing small articles in addition to large articles in an article storage shelf.
However, in the picking-type article storage facility with improved storage efficiency described above, when a large article and a small article are stored in the article storage shelf, the small article is stored in the article storage unit for picking. Since this small article has a smaller width in the longitudinal direction of the shelf than the large article, a large gap is formed between the working floor and the small article, and the picking operator may fall into the gap. Therefore, the picking worker cannot perform the picking work with peace of mind.

  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 means for picking that can perform a picking operation on a large article and a small article with confidence. is there.

In order to achieve this object, a first characteristic configuration of a picking-type article storage facility according to the present invention includes a plurality of article storages that are provided with a pair of left and right article supports extending in the front-rear width direction at intervals in the left-right direction. And a fork-type article transfer means that can be moved back and forth in the front-rear width direction of the article storage shelf in the front-rear width direction of the shelf. And an article conveying means configured to move in the vertical direction of the shelf, and at least a part of the plurality of article storage units for picking on the other side in the longitudinal direction of the shelf of the article storage shelf In a picking-type article storage facility provided with a working floor installed corresponding to the height of the storage,
An end support on the working floor portion side of the article storage section for picking is provided with a band plate-like auxiliary support in a state of being placed and supported across the pair of left and right article supports, and the picking The same or substantially the same as the band-plate-like auxiliary support in the state of being placed on and supported by each of the pair of left and right article supports at the end of the article transport space in the article storage section for A short-sized auxiliary support body having the same height is provided, and the operation control means for controlling the operation of the article transporting means is configured so that the article storage form in the article storage section for picking is a large article wide in the longitudinal direction of the shelf. For a small article that is placed and supported by the belt-like auxiliary support and a pair of short auxiliary supports, and is narrower in the widthwise direction of the shelf than the large article, the band plate Shaped auxiliary support and the pair of short And a pair of left and right article supports that are placed and supported by the pair of left and right article supports to control the operation of the article conveying means. .

That is, a large article stored in an article storage shelf for picking work is placed and supported by a band plate-like auxiliary support and a pair of short auxiliary supports, and is stored in an article storage shelf for picking work. The small article is placed and supported by a pair of left and right article supports by being recessed between the belt-like auxiliary support and the pair of short auxiliary supports.
That is, the small article is placed and supported by the pair of left and right article supports inserted into a recess between the strip-like auxiliary support and the pair of short auxiliary supports. A band plate-like auxiliary support is located on the work floor side in the width direction of the shelf, and a large gap formed between the small article and the work floor by the band plate-like auxiliary support. Since it will be blocked, the picking operator can be prevented from falling into a large gap formed between the small article and the floor for work, and the picking work can be performed safely on the small article. Can be done.
The large article is placed and supported by a belt-like auxiliary support and a pair of short auxiliary supports, the belt-like auxiliary support and a pair of short auxiliary supports, Since they are the same or substantially the same height, a large article can be placed and supported stably, so that the picking operation can be performed even if the large article is placed and supported stably.

  Therefore, a large gap formed between the small article and the working floor can be closed with the band-like auxiliary support, so that the picking operation can be performed with respect to the small article with confidence. Because large articles can be stably placed and supported by a strip-shaped auxiliary support and a pair of short auxiliary supports of the same height, picking work can be performed safely even for large articles. Therefore, it has been possible to provide a picking-type article storage facility that can perform a picking operation on a large article and a small article with confidence.

  The second feature configuration of the picking-type article storage facility according to the present invention is the first feature configuration, wherein the article transporting of the large-sized article is provided at an end of the article transporting section in the picking article storage section. Standing members that receive and prevent movement to the space side are provided in a state of being supported by the pair of left and right short auxiliary supports or in a state of being supported by the pair of left and right article supports. There is in point.

That is, since the movement of the large article to the article conveyance space side is received and prevented by the standing member, the large article is pushed to the article conveyance space side when picking the large article. The present invention also provides a picking-type article storage facility that can prevent a large article from falling to the article conveyance space side, and that can perform picking work more securely on a large article. I was able to do it.
By the way, for small articles, since it is recessed between the band plate-like auxiliary support and the pair of short auxiliary supports, the band plate-like auxiliary support is used to move to the working floor side. The movement is received and supported, and the movement of the small article toward the article conveyance space is received and prevented by the pair of short auxiliary supports.

  A third characteristic configuration of the picking-type article storage facility according to the present invention is that, in the first or second characteristic configuration, the large article is a large pallet for loading luggage, and the small article is for loading luggage. It is a small pallet.

  That is, a picking operation is performed on a large pallet for loading a load or a small pallet for loading a load, that is, on a load loaded on and supported by a large pallet. Therefore, the picking work can be easily performed, and thus a picking-type article storage facility that can easily perform the picking work can be provided.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the picking-type article storage facility includes an article storage shelf 2 in which a plurality of article storage units 1 for storing articles w are arranged in parallel, and one side of the article storage shelf 2 in the front-rear width direction. Of the plurality of article storage units 1 on the other side of the article storage shelf 2 in the front-rear width direction of the article storage shelf 2. A working floor 4 (see FIG. 2) installed corresponding to the height of a part of the picking article storage part 1p, and a loading / unloading device 5 for loading / unloading the article w between the outside. It is prepared for.
The article storage shelves 2 are installed in a plurality of sets in the longitudinal direction of the shelf, with two opposing article storage shelves 1 as a set, and a space for conveying articles between the pair of article storage shelves 2. As described above, the stacker crane 3 is caused to travel along the width direction of the shelf, and the work floor portion 4 is provided on the opposite side to the article transfer space in one of the set of article storage shelves 2.
The article w stored in the article storage shelf includes a large article w1 which is a large pallet (T11) for loading luggage having a wide width in the longitudinal direction of the shelf as shown in FIGS. 4 (b) and 5 (b), There are a small article w2 which is a small pallet (beer pallet) for loading luggage having a narrow width in the longitudinal direction of the shelf as shown in FIG. 5 (a) and FIG. 6 (a), and a large article w1 and a small article w2. Is configured to have the same width in the shelf width direction.

As shown in FIG. 1, the carry-in / out device 5 is provided on the lateral side of the article storage shelf 2, and a lift that can lift and lift the articles w from the conveyor 8. The apparatus 10 is comprised.
The transport conveyor 8 is configured in a chain type in which a pair of front and rear transport chains 8a positioned at intervals in the front-rear width direction of the shelf is configured to chain and transport the article w along the width direction of the shelf. The interval between the chain 8a for use is made narrower than the width in the front-rear width direction of the small article w2, so that both the large article w1 and the small article w2 can be placed and conveyed.
The lift device 10 is provided at the end of the transport conveyor 8 on the article storage shelf side so as to be positioned between the pair of front and rear transport chains 8a, and has a mounting section 10a for mounting and supporting the article w. The height of the placement surface is configured to be movable up and down to a raised position where the height of the placement surface is higher than the conveyance surface of the conveyance conveyor 8 and a lowered position where the height of the placement surface is lower than the conveyance surface of the conveyance conveyor 8.
That is, the carry-in / out device 5 places and conveys the article w on the conveyor 8 in a state where the placement unit 10a of the lift device 10 is lowered to the lowered position, and places the placement unit 10a of the lift device 10 in the raised position. The article w is exchanged with the stacker crane 3 in the raised state.
Although not described in detail, the carry-in / out device 5 is provided with a centering device (not shown) for centering the articles w placed on the conveyor 8 in the longitudinal direction of the shelf. Is configured to be centered so as to position the center of the article w in the longitudinal direction of the shelf in a predetermined position regardless of the large article w1 and the small article w2.

As shown in FIG. 1 and FIG. 2, the stacker crane 3 is a fork type that can be moved in and out in the longitudinal direction of the shelf in the space for conveying articles on the one side in the longitudinal direction of the shelf. The fork device 12 as the article transfer means is operated to move in the shelf width direction and the shelf vertical width direction, and the article w is transported between the article storage shelf 2 and the loading / unloading device 5.
In other words, the stacker crane 3 is configured to move the article with respect to the traveling carriage 14 that can travel along the lateral width direction of the shelf along the traveling rail 13 installed on the floor, the article storage shelf 2 and the carry-in / out device 5. The lifting / lowering base 15 provided with the fork device 12 for transferring w and the guide post 16 which is erected on the traveling carriage 14 and guides and supports the raising / lowering base 15 so as to be movable up and down are configured. The fork device 12 is moved in the horizontal direction of the shelf by traveling along the traveling rail 13, and the fork device 12 is moved in the vertical direction of the shelf by moving the lifting platform 15 up and down along the guide post 16. It is configured to be.

As shown in FIGS. 3 and 4, each of the article storage units 1 of the article storage shelf 2 is provided with a pair of left and right article supports 18 extending in the front-rear width direction with a gap in the left-right direction.
Each of the article supports 18 is connected to a pair of front and rear arms 19 connected in a state extending in the width direction of the shelf with a pair of support columns 21 provided in a pair in the width direction of the shelf, and the front ends of the pair of front and rear arms 19. It is comprised from the brace beam 20 constructed over.
The pair of left and right article supports 18 are connected to the columns 21 adjacent to each other in the shelf width direction so as to have the same height, and the fork device 12 of the stacker crane 3 is interposed between the pair of left and right article supports 18. Is movable up and down, and is provided at intervals in the shelf width direction so as to place and support both ends in the width direction of the article w.

A strip plate-like auxiliary support 22 is provided at the end of the work storage portion 1p of the picking article storage section 1p so as to be placed and supported across the pair of left and right article supports 18. The band plate-like auxiliary support is mounted on and supported by the pair of left and right article supports 18 at the end of the article transport space in the picking article storage section 1p. A short auxiliary support 23 having the same or substantially the same height as the body 22 is provided.
In addition, an upright member 24 that receives and prevents the movement of the large article w1 to the article transport space side is provided at the end of the article transport space in the picking article storage section 1p. It is provided in a state of being supported by each of the short auxiliary supports 23 and being supported by each of the pair of left and right article supports 18.

In other words, the distance between the belt-like auxiliary support 22 and the pair of short auxiliary supports 23 in the front-rear direction of the shelf is smaller than the width of the large-size article w1 in the front-rear width direction of the shelf, and the small article. It is provided in a state in which a gap larger than the width of w2 in the width direction in the longitudinal direction of the shelf is separated. That is, the belt-like auxiliary support body 22 and the pair of short auxiliary support bodies 23 place and support the large article w1 by the belt-plate-like auxiliary support body 22 and the pair of short auxiliary support bodies 23. Then, the small article w2 can be recessed between the belt-like auxiliary support body 22 and the pair of short auxiliary support bodies 23, and can be directly placed and supported by the pair of left and right article support bodies 18. Thus, it is provided in a state spaced apart in the longitudinal direction of the shelf. Supplementally, the belt-like auxiliary support 22 and the pair of short auxiliary supports 23 are slightly larger than the width of the small article w2 in the width direction in the front-rear direction of the shelf. Are provided in a state of separating them.
Further, the pair of short auxiliary supports 23 are provided in a state in which the fork device 12 of the stacker crane 3 is spaced in the shelf lateral width direction so as to be movable up and down.

  As shown in FIGS. 4 and 5, the band-plate-like auxiliary support body 22 is configured by a plate-like metal member having a thickness of about 10 mm, and the upper surface thereof extends across the pair of left and right arm beams 20. It is fixed in a state protruding to the working floor side. Similarly, the short auxiliary support 23 is formed of a plate-like metal member having a thickness of about 10 mm, and is retracted from the upper end of each of the pair of left and right arm beams 20 from the end on the article conveying space side. It is fixed in the state to do. The upright members 24 are fixed to the front surfaces of the pair of left and right short auxiliary supports 23 and the upper surfaces of the pair of left and right arm beams 20 in a state of projecting toward the article conveying space.

As shown in FIGS. 1 and 2, the work floor 4 includes three article storage sections 1 from the bottom of the six stages of the article storage sections 1 arranged in the vertical direction of the shelf, and five from the bottom. Corresponding to the height of the article storage unit 1 of the stage, it is installed in two upper and lower stages. The picking worker on the work floor part 4 and the article storage part 1 of the third stage from the bottom and 5 from the bottom It is comprised so that a pinking operation | work can be performed with respect to the goods storage part 1 of a step.
That is, the picking work is performed from the work storage 4 in the third-stage article storage section 1 and the fifth-stage article storage section 1 of the plurality of article storage sections 1 provided in the article storage shelf 2. The possible article storage unit 1 is an article storage unit 1p for picking.

As shown in FIG. 4, the work floor 4 has an upper surface that is higher than the height of the mounting surface of the pair of left and right article supports 18 provided in the corresponding article storage part 1p for picking. It is provided so that it may become the same or substantially the same height as the mounting surface of the long auxiliary support 22 or the short auxiliary support 23. Further, the end of the work floor 4 on the article storage shelf side is formed in a straight line along the width direction of the shelf, and is used for the work of the support column 21 on the rear side (working floor side) of the pair of front and rear columns 21. It is provided so that it may be located in the floor side vicinity.
Incidentally, a stairs 9 on which the picking worker ascends and descends is provided at the rear end in the horizontal direction of the shelf of the work floor 4, and the work floor of the article storage unit 1 other than the article storage unit 1p for picking is provided. On the side, a prevention net (not shown) is provided so that the picking work cannot be performed from the work floor side.

The operation control means H that controls the operation of the stacker crane 3 will be described.
As shown in FIG. 7, the stacker crane 3 includes a driving device 26 that includes a traveling motor that travels the traveling carriage 14 and a brake device that brakes the traveling carriage 14, and an elevation motor 27 that moves the lifting platform 15 up and down. And an operation control device H for controlling the operation of the exit / retreat motor 28 for moving the fork device 12 back and forth, and this operation control means H is based on a command from a host controller (not shown). The control device is configured to control the operation of the stacker crane 3 by controlling the operation of the drive device 26, the elevating motor 27, and the exit / exit motor 28.
The operation control means H conveys the article w between the article storage section 1 of the article storage shelf 2 and the carry-in / out apparatus 5 when a carry-in / out command is commanded from the host controller, and when the picking command is commanded, the operation control means H The operation of the stacker crane 3 is controlled so that the article w is transported between the article storage section 1p for picking of the storage shelf 2 and the other article storage section 1.

  The operation control unit H controls the operation of the stacker crane 3 when the article w is transferred from the self to the article storage unit 1 by stopping the traveling carriage 14 at a position corresponding to the article storage unit 1 to be transferred. In this state, the mounting surface of the fork device 12 is above the mounting surface of the pair of left and right article supports 18 (if the target article storage section 1 is a picking article storage section 1p, a band plate shape The fork device 12 is moved in a state where the lifting platform 15 is moved up and down so as to be positioned above the mounting surface of the auxiliary support 22 and the short auxiliary support 23 and further above the upper end of the standing member 24. Then, the fork device 12 is moved downward so that the mounting surface of the fork device 12 is positioned below the mounting surface of the pair of left and right mounting supports 18. Retire to self It is configured to control the operation of sea urchin stacker cranes 3, thereby being transferred articles w from itself to the article storage unit 1.

  In addition, the operation control unit H controls the operation of the stacker crane 3 when the article w is transferred from the article storage unit 1 to itself by stopping the traveling carriage 14 at a position corresponding to the target article storage unit 1. In the state, the fork device 12 is protruded toward the article storage shelf in a state where the elevating table 15 is moved up and down so that the placement surface of the fork device 12 is positioned below the placement surface of the pair of left and right article supports 18. Thereafter, the mounting surface of the fork device 12 is above the mounting surfaces of the pair of left and right mounting supports 18 (if the target item storage unit 1 is the picking item storage unit 1p, the band plate shape After the elevating platform 15 is moved up so as to be positioned above the mounting surface of the auxiliary support 22 and the short auxiliary support 23 and further above the upper end of the upright member 24, the fork device 12 is moved to the self side. To retire It is configured to control the operation of Tucker cranes 3, thereby, is transferred to the self articles w from the article storage unit 1.

  And the said operation control means H is the strip | board-shaped auxiliary | assistant support body 22 and a pair of short-shaped auxiliary | assistant support body 23 about the said large sized article w1 in the article storage form in the said article storage part 1p for picking. For the small article w2, the pair of left and right article supports is recessed between the strip plate-like auxiliary support body 22 and the pair of short auxiliary support bodies 23. The stacker crane 3 is configured to control the operation of the stacker crane 3 so as to be placed and supported at 18.

In other words, the operation control unit H does not determine whether the article w to be conveyed is the large article w1 or the small article w2, and the article storage form in the article storage unit 1p for picking is as described above. It is comprised so that the action | operation of the stacker crane 3 may be controlled so that it may be set as a form.
That is, as described above, the centering device (not shown) in the carry-in / out device 5 should position the center of the article w in the longitudinal direction of the shelf at a predetermined position regardless of the large article w1 and the small article w2. The article w placed and supported on the fork device 12 is supported so that the center in the longitudinal direction of the shelf is at the same position between the large article w1 and the small article w2. . The amount of protrusion of the fork device 12 when transferring an article to and from the article storage unit 1p for picking work is such that the center of the article w in the longitudinal direction of the shelf is a belt-like auxiliary support 22 and a short-like shape. It is set so as to be positioned at the center between the auxiliary support 23 and, as described above, the distance between the belt-like auxiliary support 22 and the short auxiliary support 23 is around the shelf of the large article w1. Even if the operation of the stacker crane 3 is controlled in the same manner when the large article w1 is conveyed and when the small article w2 is conveyed, the large article w2 is smaller than the width in the longitudinal direction of the shelf. The article w1 is placed and supported by a strip-like auxiliary support 22 and a pair of short auxiliary supports 23, and the small article w2 is a strip-like auxiliary support 22 and a pair of short lengths. Between the auxiliary support 23 The form for placing supported by a pair of left and right article support 18 by entering.

[Another embodiment]
(1) In the above embodiment, the upright member 24 is supported by each of the pair of left and right short auxiliary supports 23 and supported by each of the pair of left and right article supports 18, that is, The pair of left and right short auxiliary supports 23 are provided so as to be supported by each of the pair of left and right short support members 23, and further provided while being supported by each of the pair of left and right article supports 18. You may provide in the state supported only in each one of each of the body 23 or each of the left-right paired goods support body 18. FIG.

(2) In the above embodiment, the large article w1 is a large pallet for placing articles and the small article w2 is a small pallet for placing articles. However, the large article w1 is a large container and the small article w2 is small. The large article w1 and the small article w2, such as a container, may be any article that is to be picked.

Top view of picking-type goods storage equipment Side view of picking-type goods storage equipment Perspective view of article storage Side view of the article storage for picking Top view of the article storage for picking Control block diagram of stacker crane

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Goods storage part 1p Goods storage part for picking 2 Goods storage shelf 3 Goods conveyance means 4 Working floor part 12 Goods transfer means 18 Goods support 22 Band-plate-like auxiliary support 23 Short-form auxiliary support 24 Standing up Member H Operation control means w article w1 large article w2 small article

Claims (3)

An article storage shelf in which a plurality of article storage units provided with a pair of left and right article supports extending in the front-rear width direction are spaced in the left-right direction; and
In the article transport space on one side of the shelf front-rear width direction of the article storage shelf, the fork-type article transfer means that can be moved back and forth in the shelf front-rear width direction is operated to move in the shelf lateral width direction and the shelf vertical width direction. Configured article conveying means;
Provided on the other side of the article storage shelf in the front-rear width direction is a work floor installed corresponding to the height of at least some of the plurality of article storage units for picking. A picking-type article storage facility,
An end support on the working floor portion side in the picking article storage section is provided with a belt-like auxiliary support in a state of being placed and supported across the pair of left and right article supports,
At the end of the article transporting space side in the article storage section for picking, the same as the band plate-like auxiliary support in a state of being placed and supported on each of the pair of left and right article supports. Or a short auxiliary support body of approximately the same height is provided,
The operation control means for controlling the operation of the article conveying means is configured to store the article storage form in the picking article storage section, and for the large article wide in the longitudinal direction of the shelf, the belt-like auxiliary support and a pair of For a small article that is placed and supported by a short auxiliary support and is narrower in the width direction of the shelf than the large article, the belt-like auxiliary support and the pair of short auxiliary supports A picking-type article storage facility configured to control the operation of the article conveying means so as to be recessed between the body and placed and supported by the pair of left and right article supports.   An upright member that receives and prevents movement of the large-sized article toward the article conveyance space is provided at the end of the article storage space in the picking article storage section, and the pair of left and right short auxiliary supports. The picking-type article storage facility according to claim 1, wherein the picking-type article storage facility is provided in a state of being supported by each of the bodies or in a state of being supported by each of the pair of left and right article supports.   3. The picking-type article storage facility according to claim 1 or 2, wherein the large article is a large pallet for loading luggage, and the small article is a small pallet for loading luggage.

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