JPH058811A - Multistoried warehouse for cylindrical article - Google Patents

Abstract

PURPOSE:To provide a multistoried warehouse capable of narrowing an installation space in the case of storing cylindrical articles in a multistoried form. CONSTITUTION:A multistoried warehouse for cylindrical articles is constituted in such a way that plural-stage racks 2 are installed so that the cylindrical articles A stored in the racks 2 and a stacker crane 4 to travel while hoisting the cylindrical articles do not interfere with each other by keeping the minimum necessary space, and there is also provided a sideways movable cart 8 formed by arranging an arm 9 capable of moving sideways in the perpendicular direction to travel of the stacker crane 4 and also of hoisting the central hole part of the cylindrical article so as to be put in horizontal slewing motion under a carriage 6 arranged so as to be capable of ascending/descending along a guide post 5 of the stacker crane 4. Since the central hole part of the cylindrical article is hoisted by means of the arm, height pitch of the racks can be made low, and a distance between the racks in two rows can be also shortened.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional warehouse for cylindrical articles which can efficiently store cylindrical articles in a rack.

[0002]

2. Description of the Related Art Conventionally, for example, the actual development 61 shown in FIG.
There is a stacker crane system with a slide fork shown in Japanese Patent Publication No. 181570 and FIG. The former is a traveling carriage 18
A turntable 20 having a rail 19 laid on the surface incorporated in the central portion of the traveling carriage 18, a traverse carriage 21 mounted on the rail 19 of the turntable 20, and a ram established on the traverse carriage 21. Alternatively, it is provided with a mast 23 on which the arm 22 can be raised and lowered and a rail 26 laid on the floor of an empty space 25 formed so that the transverse carriage 21 can enter under the bottom of the rack 24. Cylindrical article A
Carry in and out by supporting the central hole of the. The latter supports a fork 28 that can move horizontally in a direction perpendicular to the traveling carriage 27, a post 29 that guides the fork 28 so that the fork can be moved up and down, a lifting drive device, and a lower surface of the cylindrical article A so that the rack 30 can be loaded. The pedestal 31 is used to load and unload the pedestal 31 and the cylindrical article A as a unit.

[0003]

However, the above conventional method has the following problems. Actual Kaisho 61-1815
According to the publication No. 70, the distance between the racks 24 for storing the cylindrical articles A arranged on both sides of the stacker crane is the width of the articles, the mast 23 of the stacker crane, and the frame portion of the wheel portion of the transverse carriage 21. Dimensions to rack 2
It is necessary to determine the clearance between the racks 24, and the distance between the racks 24 becomes large, and the storage efficiency becomes low. Also, traverse trolley 21
Need to dig into the bottom of the rack 24, which increases the height of the rack 24. In the stacker crane system with slide forks, slide forks are used to
When the forks are stored in the rack 30, it becomes a cantilever having a long arm when the forks 28 stick out, and it is necessary to increase the height of the forks 28 due to the structure. The height pitch of the rack 30 is determined by considering the outer diameter of the cylindrical article, the height of the pedestal, and the height of the fork 28 in consideration of the gap with the rack 30, and as a result, the height pitch of the rack becomes large. .. (Compare L in FIG. 6 with L + ΔL in FIG. 8, where ΔL is the increase in height pitch)

[0004]

In order to achieve the above object, the present invention provides a cylindrical article having a stacker crane for loading and unloading the cylindrical article into and from a plurality of racks provided on one side or both sides of the stacker crane. In the three-dimensional warehouse, a multi-tier rack is installed with a minimum required clearance so that a cylindrical article stored in the rack and a stacker crane that hoistes the cylindrical article do not interfere with each other, and a guide post for the stacker crane. A traverse carriage equipped with an arm that can traverse in a direction perpendicular to the traveling direction of the stacker crane and that can lift the central hole of the cylindrical article horizontally can be mounted on the carriage that is vertically movable along the It is composed of a three-dimensional warehouse of characteristic cylindrical articles.

[0005]

According to the present invention, the three-dimensional warehouse for cylindrical articles according to the present invention comprises a combination of a carriage that can be moved up and down, a traverse carriage that can traverse in a direction perpendicular to the traveling direction of the stacker crane, and an arm provided below the traverse carriage so that it can horizontally swivel. The central hole of the product is lifted by an arm and the product is stored in the rack.

[0006]

FIG. 1 is a side view of a three-dimensional warehouse 1 according to an embodiment of the present invention,
2 is a front view, FIG. 3 is a structural diagram of an arm portion, and FIG. 4 is a turning operation diagram in the stacker crane 4. In FIG. 1, a plurality of upper and lower racks 2 for storing a cylindrical article A
Are arranged on both sides of the stacker crane 4 for loading and unloading the same articles, and a receiving stand 13 for supporting the lower outside of the cylindrical article A is installed on each shelf. The distance between the racks 2 is a cylindrical article A that is hoisted by a stacker crane 4.
And the width of the arm 9 in consideration of the clearance between the cylindrical article A stored in the rack 2. or,
The height pitch of the rack 2 is determined by taking into consideration the gap between the outer diameter of the cylindrical article A and the size of the receiving stand 13 with the rack 2, and the storage level at the bottom is determined only by the height of the receiving stand 13. In the stacker crane 4, a carriage 6 installed so as to be able to move up and down along a plurality of guide posts 5 is moved up and down to a predetermined shelf level by a lifting drive device 7 via a wire rope 14 and the like. The base frame 16 of the stacker crane 4 can travel on the rail 17 to a position designated in the longitudinal direction of the rack 2 by a traveling drive device (not shown). The carriage 6 is provided with a traverse carriage 8 which can traverse in a direction perpendicular to the traveling of the stacker crane 4, and the traverse carriage 8 can be horizontally moved along a traverse rail of the carriage 6 by a chain or the like. In order to secure the stability of the carriage 6 when the cylindrical article A is lifted and to reduce the weight of the carriage 6, the counterweight 11 is attached so as to be simultaneously movable in the direction opposite to the moving direction of the transverse carriage 8. May be. An arm 9 that can be inserted into the central hole of the columnar article A is provided on the traverse carriage 8 so as to be horizontally pivotable via a pivot bearing 15 or the like, and is pivoted by a pivot drive device 10 attached to the traverse truck 8 by a gear or the like. To be done. Due to the traverse of the traverse carriage 8 and the horizontal turning of the arm 9, the cylindrical articles stored in the rack and the stacker crane for hoisting and traveling the cylindrical articles against the rack do not interfere with each other, and both sides of the stacker crane and the rack are provided. When racks are provided in the racks, the racks can be placed close to each other. FIG. 4 shows a locus along which the cylindrical article hung on the arm 9 moves due to the traverse of the traverse vehicle 8 and the horizontal turning of the arm 9, and the outer peripheral ends aa, bb, cc of the cylindrical article are shown. Is part of that trajectory. By causing the cylindrical article A suspended by the arm 9 to traverse and turn at preset timings, the maximum turning radius determined by the cylindrical article A at the time of turning can be reduced as shown in FIG. It becomes possible and the distance between racks can be minimized. It is also possible to install a fixing mechanism 12 for pressing the lower portion of the hole of the article in order to eliminate positional deviation of the article when the cylindrical article A is conveyed by the arm 9 and to stably handle the article. The three-dimensional warehouse 1 of the present embodiment is configured as described above, and when the cylindrical article A in the rack 2 is carried out, the stacker crane 4 is run and lifted to move the arm 9 position to the hole position of the article. After the movement, the transverse cart 8 is traversed in the direction of the article to be carried out, and the arm 9 is inserted into the hole.
Then, the carriage 6 is lifted to lift the article A, and the in-arm fixing mechanism 12 fixes the article. The traverse vehicle 8 is returned to the inside of the carriage 6, and the stacker crane 4 travels and descends to the exit of the delivery. In addition, when the direction of the frontage for carrying out and the frontage for shipping is 180 ° opposite directions,
It is also possible to make a turn at the same time when the stacker crane 4 travels and goes up and down. In the case of warehousing, the procedure reverse to the above may be performed.

[0007]

According to the three-dimensional warehouse of the present invention, the distance between racks can be reduced and the height of the racks can be reduced, so that many cylindrical articles can be stored in a narrow site. It will be possible.

[Brief description of drawings]

FIG. 1 is a side view of a three-dimensional warehouse for cylindrical articles according to an embodiment of the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a front view showing the structure of the arm portion of FIG.

FIG. 4 is a turning operation diagram in the stacker crane. In FIG. 4, A is a cylindrical article to be conveyed, and A ′ is a cylindrical article stored in a rack.

FIG. 5 is a diagram showing an example of a conventional three-dimensional warehouse (Shinkai Sho 61-1)
81570).

FIG. 6 is a front view showing a part of the rack shown in FIG.

FIG. 7 is a diagram showing an example of a conventional three-dimensional warehouse.

FIG. 8 is a view on arrow AA of FIG.

[Explanation of symbols]

 1 Three-dimensional warehouse 2 Rack 3 Rack structure 4 Stacker crane 5 Guide post 6 Carriage 7 Lifting drive device 8 Traverse carriage 9 Arm 10 Swing drive device 11 Counterweight 12 Fixing mechanism 13 Cradle 14 Wire rope 15 Swiveling bearing 16 Base frame 17 Rail 18 Traveling trolley 19 Rail 20 Turntable 21 Traverse trolley 22 Ram or arm 23 23 Mast 24 Rack 25 Empty space 26 Rail 27 Traveling trolley 28 Fork 29 Post 30 Rack 31 Cradle A Cylindrical article

Claims (1)

Claims: 1. A stacker of cylindrical articles having a stacker crane for loading and unloading the cylindrical articles into and out of a stacker crane provided on one side or both sides of the stacker crane. A multi-tiered rack is installed with a minimum required clearance so that the cylindrical article and the stacker crane that hoists and runs the cylindrical article do not interfere with each other, and the carriage provided so as to be able to move up and down along the guide post of the stacker crane. A three-dimensional warehouse for cylindrical articles, comprising a traversing carriage provided with an arm that can traverse in a direction perpendicular to the traveling direction of a stacker crane and that can horizontally swing an arm that can lift a central hole of a cylindrical article.