JP2001048313A - Automated storage and retrieval system for supplying and storing long size material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automated storage and retrieval system for supplying and storing a longe-size material for lightening a rack, and increasing a carrying speed. SOLUTION: An automated storage and retrieval system 10 for supplying and storing a long-size material is juxtaposed by racks 14 for storing many pallets 13 for storing long-size materials respectively in a tilted condition, on both the sides in the lateral direction of a lengthwisely going slave cart 12 traveling on slave cart lengthwise going parts 11 and 11a provided vertically. The cart 12 is equipped with: upper and lower travel frames 25 and 26 provided on the paths 11 and 11a respectively provided vertically, a frame member 29 for elevating and turning by elevating and turning means 27 and 28 provided on the frame 26, and pallet holding members 31 provided movably substantially in a horizontal direction on the member 29, and having a side part supporting means 30 for holding the pallets 13 from the rear part on both side parts.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a warehouse for supplying and storing long members such as steel bars and bars, for example. The present invention relates to an automatic warehouse for supply and storage of long materials that can be carried in and out of a warehouse.

[0002]

2. Description of the Related Art The present applicant has previously described Japanese Patent Application Laid-Open No. 9-2633.
In Japanese Unexamined Patent Publication No. 05, a rack in which a plurality of upper and lower rack arms supporting a pallet are connected in a cantilever shape to a rack post vertically erected at an interval in a vertical direction, and an elevating device are attached. An automatic warehouse for supplying and storing long materials having a sub-cart that supports a lower end and a rear surface is disclosed. This automatic warehouse for supply and storage of long materials stores long materials from the side,
Because it can be taken out, the height of the warehouse was reduced.

[0003]

However, the conventional automatic warehouse for supplying and storing long material, which supports a pallet and has a lower rack arm connected in a cantilever shape, is required to increase the strength. In order to increase the width and height, the weight was increased. Further, when the pallet is supported by the child cart, there is no constraint in the width direction, so that the transport speed is limited to a low level. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an automatic warehouse for supplying and storing long material, which can reduce the weight of a rack and increase the transport speed.

[0004]

According to the present invention, there is provided an automatic warehouse for supplying and storing a long material according to the present invention, comprising: An automatic warehouse for supply and storage of long materials in which racks for storing a large number of pallets each storing long materials in an inclined state are arranged side by side, wherein the racks are vertically erected at intervals. The lower part of each of the plurality of rack posts extends laterally and its tip is supported by the floor,
A mounting table that supports a lower end of the pallet; a support table that supports a rear surface of the inclined pallet at an upper portion of the rack post; and the traversing sub-car is vertically provided with the sub-car vertical. Upper and lower traveling frames provided on the path, and upper and lower frames respectively held by the upper and lower traveling frames, and frames that can be raised and lowered and rotated by lifting and lowering means and turning means provided on the lower traveling frame. A member and a pallet holding member having side support means for holding the pallet from behind, provided on the frame member so as to be able to advance and retreat in a substantially horizontal direction. The bottom and the rear of the pallet storing the long material are supported, and the pallet is stored or taken out. And a parent carriage traveling path parent carriage and the lateral-row parent truck for movable transverse laterally travels by placing the child carriage.

Here, the long material refers to, for example, a section steel, a steel bar, a pipe and the like. Since the mounting table provided on the rack and supporting the lower end of the pallet stored in an inclined state is supported by the floor, the strength of the mounting table is increased compared to the case where the pallet is supported in a cantilever shape. can do.
In addition, since the frame member that can be rotated by the turning means is provided on the traversing carriage, the pallet can be stored by one traversing carriage on the racks on both sides of the traversing path of the carriage. Or removal can be performed. Further, since the pallet holding members having the side support means for holding the pallet from the rear on both sides are provided, it is possible to prevent the pallet from shifting or falling in the width direction during the pallet conveyance.

Here, the side supporting means is provided with both side supporting arms extending substantially horizontally from the pallet holding member toward both sides of the pallet, and rotatably provided at the tip of the both side supporting arms. It is also possible to provide a rear hooking piece provided, fit the pallet between the support arms on both sides, rotate the rear hooking piece to horizontally hold, and hook and support the rear surface of the pallet. It is. With this configuration, the rear surface of the pallet can be hooked with a simple structure, so that the weight of the vertical carriage can be reduced.
Further, a tilting machine for tilting the pallet in a tilted state or a horizontal state may be provided at an end of the parent bogie traveling path. With such a configuration, it is possible to quickly carry in or carry out the pallet to the automatic warehouse for supplying and storing the long material.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention. As shown in FIGS. 1 and 4, an automatic warehouse 10 for supplying and storing a long material according to an embodiment of the present invention.
Is an example of a child trolley vertical path provided on the upper and lower sides, and a large number of pallets each storing a long material (not shown) on both sides in the horizontal direction of the vertical child trolley 12 running on the lower rails 11 and 11a. The racks 13 are arranged side by side to store the racks 13 in an inclined state. The details will be described below. As shown in FIGS. 1 and 2, racks 14 are vertically connected by connecting upper and lower portions of rack posts 15 erected at both ends, and rack posts provided at both ends with an adjacent rack 14. 15 are shared. Further, the rack 14 includes a horizontal beam member 16 extending in the horizontal direction below each of a plurality of rack posts 15 erected vertically with an interval therebetween, and a horizontal beam member 1.
A mounting table 24 having a supporting column member 19 that supports the front section 18 on the floor section 17 is provided. The mounting table 24 connects the front sections 18 of the cross beam members 16 of the rack posts 15 that are vertically adjacent to each other. The lower end of the pallet 13 is supported via a lower vertical beam member 20 and a lower end latching seat 21 provided at a predetermined interval on the lower vertical beam member 20. The rack 14
The inclined pallet 13 is located above the rack post 15.
An upper vertical beam member 23 which is an example of a support base provided with a receiving seat 22 for supporting the rear surface of the vehicle is provided. The pallet 13 is provided with a bottom plate 13a constituting a rear surface (rear portion), a side plate 14a provided in a ceiling portion and a bottom portion in a width direction, and a predetermined interval in a longitudinal direction on both sides to reduce weight. It has a projection 15a. When storing the pallet 13, two adjacent lower end latching seats 2 on the lower vertical beam member 20 are used.
1 supports both sides of the bottom (lower). At this time, the rear surface above the center of the pallet 13 is also supported on both sides by two adjacent receiving seats 22.

The lower vertical beam member 20 and the upper vertical beam member 23 are omitted, the distance between the rack posts 15 is reduced, and the lower end latching seat 21 is attached to the front end 18 of the cross beam member 16 and the lower end latching seat. The receiving seat 22 corresponding to 21 may be directly attached to the rack post 15, and the receiving seat 22 may be used as a support. With this configuration, the structure of the rack 14 can be strengthened. In the present embodiment, the rack post 1
5 is provided with a lower vertical beam member 20 and an upper vertical beam member 23, which are provided with a lower end latching seat 21 and a corresponding receiving seat 22, so that the number of rack posts 15 is reduced and the weight of the rack 14 is reduced. can do. Next, FIGS. 1 and 3
With reference to, the structure of the vertical carriage 12 will be described. The vertical carriage 12 is provided on the upper and lower rails 11 and 11a, and the upper and lower traveling frames 25 and 26, respectively. A frame member 29 which is held and can be moved up and down by a lifting means 27 and a turning means 28 provided on the lower traveling frame 26 and is provided on the frame member 29 so as to be able to advance and retreat in a substantially horizontal direction. A pallet holding member 31 having side support means 30 for holding the pallet 13 from behind.

The upper and lower running frames 25 and 26 are vertically long beam-shaped members, and are connected at both ends by columnar bars 32 and 33 which are vertically erected. The lower traveling frame 26 is provided with four vertical wheels 34 and 35 arranged in a row at two ends in the vertical direction to receive the weight of the vertical carriage 12, and two inner vertical wheels 35 are provided. , Are provided so as to be able to advance and retreat by driving a deceleration motor 36, respectively. Also, the central portion 37 of the lower traveling frame 26
It is formed lower than both ends to lower the machine height. On both sides of the upper running frame 25 across the upper rail 11, guide wheels 38 for preventing the vertical carriage 12 from falling down are rotatably mounted. Since the vertical carriage 12 runs while being supported by the upper and lower rails 11 and 11a in a sandwiched state, the width in the horizontal direction can be reduced. Thereby, the upper and lower rails 11 and 11a
Can be reduced, so that many pallets 13 can be stored in a small space.

The turning means 28 is provided on the lower traveling frame 2.
6, a motor 39, a pinion 40 mounted on a rotating shaft of the motor 39, and a large gear 41 meshed with the pinion 40. The large gear 41 is provided on the central portion 37 of the lower traveling frame 26. It is rotatably mounted on an upper part via a bearing and a shaft (not shown). The lifting / lowering means 27 includes a screw jack 42 having a base provided above the large gear 41, a lifting / lowering angle shaft 42 a provided above the large gear 41 and having a shaft center aligned with the large gear 41, and a square bearing 43. And a lifting / lowering rotating shaft 44 and a lifting / lowering rotating bearing 45 which are provided at a lower portion at the center of the upper running frame 25 and are aligned with the large gear 41. Further, the elevation angle axis 42a and the elevation rotation axis 4
The upper and lower portions of a frame member 29 formed in an E-shape are attached to the frame member 4 respectively.
The tip of the screw jack 42 is connected to the lower part of the frame member 29 so that the frame member 29 can be moved up and down. With this configuration, the frame member 29 can be rotated and inverted, and the pallet 13 of the rack 14 located on the opposite side of the upper and lower rails 11 and 11a can be stored or taken out. .

The frame member 29 has horizontal holding members 46 and 47 slightly above and below the central portion, respectively. The lower portion of the horizontal holding member 46 and the horizontal holding member 4 are provided.
7 have horizontal slide rails 48 and 49, respectively.
Is provided. Furthermore, the horizontal slide rail 48,
The upper and lower portions of a pallet holding member 31 formed in a U-shape are slidably attached to 49. At the center of the frame member 29, there is provided a screw jack 51 having its tip 50 mounted slightly above the center of the pallet holding member 31, whereby the pallet holding member 31 is moved horizontally by the horizontal slide rails 48, 49.
It is possible to advance and retreat along. The lower end 55 of the pallet holding member 31 has the same shape as the lower end latching seat 21, and the pallet 1 received from the lower end latching seat 21 when the frame member 29 is raised by the lifting / lowering means 27.
3 can be held at the same angle.

The lateral supporting means 30 on both sides of the pallet holding member 31 are provided on the upper horizontal plate 5 of the pallet holding member 31.
2, both side support arms 53 extending substantially horizontally toward both sides of the pallet 13, and a rear locking piece 54 rotatably provided at the front end of each side support arm 53.
The pallet 13 is fitted between the support arms 53 on both sides, and both rear latching pieces 54 are turned horizontally so that the front ends thereof face each other to hold the pallet 13 horizontally. can do. Although the rear hanging piece 54 is rotated by a motor (not shown) together with the both-side supporting arm 53, it is also possible to provide a motor inside the both-side supporting arm 53 and rotate only the rear hanging piece 54.
In addition, the upper and lower rails 11 and 11a or the trolley 1
2 is provided with a sensor means (not shown), which can accurately stop at a target storage position of the pallet 13.
With such a configuration, the pallet holding member 31 is moved forward and backward by the screw jack 51, and the bottom and rear portions of the pallet 13 storing the long material are supported by the lifting / lowering means 27, and the pallet 13 is stored or taken out. be able to.

Next, with reference to FIGS. 4 and 5, a description will be given of the traversing parent trolley 56 on which the traversing child trolley 12 can be placed and moved. In the automatic warehouse 10 for supply and storage of long materials,
A lower parent vehicle, which is connected to the lower rails 11 and 11a, and which is an example of a main traveling vehicle on which the traveling main vehicle 56 travels and on which the traveling child vehicle 12 can be mounted and moved in the horizontal direction. It has parallel rails 57 and 58. The traversing parent trolley 56 has upper and lower support rails 59 and 60 provided in connection with the upper and lower rails 11 and 11a, respectively.
The upper and lower support rails 59 and 60 are provided so as to vertically cross the central portions of the upper and lower rectangular frames 61 and 62, respectively.
The corners of the upper and lower rectangular frames 61 and 62 are connected by a columnar support bar 67. A traveling frame 63 overlapping the lower parallel rails 57, 58 of the lower rectangular frame 62;
At each end of each of the wheels 64, one traversing wheel 65 driven by a deceleration motor (not shown) is provided. With this configuration, the vertical child carriage 12 can be placed on the horizontal parent carriage 56 and moved from the lower rails 11 and 11a provided in a plurality of rows in the warehouse.

Next, the arrangement of the tilting machine 66 and the automatic warehouse 10 for supplying and storing the long material will be described. At one end of the lower parallel rails 57, 58, a tilting machine 66 that performs a tilting operation for tilting the pallet 13 to a horizontal state is provided. The tilting machine 66 can be operated by an actuator (not shown). With this configuration, when entering the pallet, the pallet 13 is tilted and passed to the traversing parent carriage 56, and when leaving the pallet,
The pallet 13 can be transported out of the warehouse after the pallet 13 is in a horizontal state. Further, at the other end of the upper and lower rails 11 and 11a, a space is formed in which the mounting table 24 and the upper vertical beam member 23 are omitted in consideration of the vertical width of the vertical carriage 12. ing. Further, the upper and lower rails 11 and 11a can be provided in a plurality of rows in the warehouse. In the present embodiment, six rows are provided on both sides of the lower parallel rails 57 and 58, but it is also possible to provide them only on one side. In addition,
A sensor (not shown) is provided on the traversing parent carriage 56,
Move the position of the upper and lower support rails 59 and 60 to the upper and lower rails 1
1, 11a can be accurately adjusted.

Next, loading and unloading work of the pallet 13 using the automatic warehouse 10 for supplying and storing long materials will be described from the loading work. At the time of loading, first, the pallet 13 in a horizontal state is placed on the tilting machine 66 using an overhead crane or the like, and then the pallet 13 is maintained in an inclined state by operating the tilting machine 66. The holding structure of the tilting machine 66 when the pallet 13 is tilted is substantially the same as the holding structure of the pallet 13 when stored on the rack 14. Then, when the child carriage 12 for vertical movement is not mounted on the parent carriage 56 for horizontal movement, the child carriage 12 for vertical movement is mounted on the parent carriage 56 for horizontal movement and then to a position adjacent to the tilting machine 66. The pallet holding member 31 is advanced by the screw jack 51 to move the lower end 55 of the pallet holding member 31 to a position below the lower end of the pallet 13. The position of the rear hooking piece 54 has passed the side of the pallet 13.

After the rear hook 54 is rotated to support the rear surface of the pallet 13, the screw jack 42
To raise the frame member 29 and move the lower end 5
5 is brought into contact with the lower end of the pallet 13, the frame member 29 is further raised, and the pallet 13 is supported by the lower end 55. Next, the pallet holding member 31 is moved backward by the screw jack 51. Next, the parent carriage 56 for traversing
Is moved so that the positions of the upper and lower support rails 59 and 60 match the predetermined upper and lower rails 11 and 11a, and are stopped. Then, the vertical carriage 12 is moved from the upper and lower support rails 59 and 60 to the upper and lower rails 11 and 11a, and further to a predetermined storage position (FIG. 1,
The pallet 13 is in the position shown by the two-dot chain line). The pallet 13 is stored at the upper and lower rails 11 and 11.
When it is on the opposite side with respect to a, the turning means 28 can be operated here to reverse the direction of the frame member 29, or it can be reversed on the traversing parent carriage 56. Here, the description will be made on the assumption that no inversion occurs.

Subsequently, the pallet holding member 31 is moved forward by the screw jack 51 until the lower end portion 55 of the pallet holding member 31 is positioned above the center of the adjacent lower end latching seat 21. Then, the screw member 42 is actuated to lower the frame member 29 so that both lower ends of the pallet 13 in the width direction are brought into contact with the adjacent lower end latching seats 21, and the upper side of the pallet 13 from the rear center. Are supported by the adjacent receiving seats 22 (the state shown in FIG. 1). Further, the frame member 29 is lowered and the lower end 55 of the pallet holding member 31 is moved to the pallet 1
After being separated from the pallet 3, the support of the rear surface of the pallet 13 is released by rotating the rear hanging piece 54. Next, the pallet holding member 31 is moved backward by the screw jack 51. The traversing child trolley 12 can be stopped at this position, or can be put on the traversing parent trolley 56 again and waited, depending on the instruction of the operator. In this manner, the work of loading the pallet 13 can be performed.

Next, the unloading operation will be described. In addition,
A description of a portion where the description is the same as that of the loading operation will be omitted. First, the traversing parent trolley 5 on which the traversing child trolley 12 is mounted.
6 is moved to a predetermined position and stopped. Next, the vertical carriage 12 is moved to a predetermined storage position. In addition,
Depending on the storage position of the pallet 13, the frame member 29
Can be reversed, but here, the description will be made on the assumption that the direction is not reversed. Subsequently, the pallet holding member 3
1 is advanced until the lower end 55 thereof is positioned below the lower end of the pallet 13 and the rear latching piece 54 provided at the front end of the both-side support arm 53 passes through the side of the pallet 13. Move. Then, the rear hook 54 is rotated to support the rear surface of the pallet 13, and then the frame member 29 is supported.
Is raised, the pallet 13 is supported by the lower end portion 55 of the pallet holding member 31, and then the pallet holding member 31 is retracted. Next, the vertical carriage 12 is moved,
From the upper and lower rails 11 and 11a on the traversing parent carriage 56,
The lower support rails 59 and 60 are moved. Then, the main trolley 56 is moved to a position adjacent to the tilting machine 66 with the vertical trolley 12 placed on the main trolley 56. Then, the pallet 13 is transferred to the tilting machine 66, and the pallet 13 is tilted and leveled by the tilting machine 66, and is then carried out by an overhead crane or the like.

The embodiment according to the present invention has been described above. However, the present invention is not limited to the above-described embodiment. For example, the number of the vertical carriages 12 to be used is one. Although the description has been made, two or more units may be used. For example, one unit may be made to stand by in each sub-unit vehicle longitudinal path, and the sub-unit vehicle 12 near the designated storage position may be used. With such a configuration, a plurality of instructions from the operator can be processed in parallel, and the operation efficiency can be improved. When the pallet 13 is transported by the trolley 12, the tilt direction of the pallet 13 is a direction orthogonal to the trolley 12, but before the trolley 12 is moved, The transfer can also be performed after setting the rotation position 28 to a rotation position 68 (a position indicated by a two-dot chain line in FIG. 1). With such a configuration, the moving direction of the traversing carriage 12 and the pallet inclination direction are the same, so that the traversing carriage 12 can be prevented from falling down and the transport speed can be increased.

[0020]

In the automatic warehouse for supplying and storing long materials according to the first to third aspects, a mounting table provided on a rack and supporting a lower end of a pallet stored in an inclined state is supported on a floor. Therefore, the strength of the mounting table can be increased as compared with the case where the pallet is supported in a cantilever shape, and the rack can be reduced in weight when the strength is kept constant. In addition, since the frame member that can be rotated by the turning means is provided on the traversing carriage, the pallet can be stored by one traversing carriage on the racks on both sides of the traversing path of the carriage. Or removal can be performed.
Furthermore, since the pallet is provided with pallet holding members having side support means for holding the pallet from the rear on both sides, it is possible to prevent the pallet from shifting or falling in the width direction during the pallet transfer, and to increase the transfer speed. Can be. In particular, in the automatic warehouse for supplying and storing a long material according to the second aspect, a rear hanging piece rotatably provided at the front end of the both-side support arm is provided, and the rear surface of the pallet is hung and supported. Therefore, the structure becomes simple, and the weight of the vertical carriage can be reduced. In the automatic warehouse for supplying and storing long materials according to claim 3, since the tilting machine is provided at the end of the main bogie traveling path, the pallet is loaded into the automatic warehouse for supplying and storing long materials, or It can be carried out quickly.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing the structure of a vertical carriage in an automatic warehouse for supplying and storing long materials according to an embodiment of the present invention.

FIG. 2 is a partial front view showing a structure of a rack of the automatic warehouse for supplying and storing the long material.

FIG. 3 is a front view of a vertical trolley of the automatic warehouse for supplying and storing the long material.

FIG. 4 is a plan view of an automatic warehouse for supplying and storing the long material.

FIG. 5 is a side sectional view of the automatic warehouse for supplying and storing the long material.

[Explanation of symbols]

10: Automatic warehouse for supply and storage of long materials, 11: Upper rail (child traversing route), 11a: Lower rail (child traversing route), 12: Traversing child trolley, 13: Pallet, 13a:
Bottom plate, 14: rack, 14a: side plate, 15: rack post, 15a: protrusion, 16: cross beam member, 17: floor, 1
8: tip, 19: support column member, 20: lower vertical beam member, 2
1: lower end latching seat, 22: receiving seat, 23: upper vertical beam member (support table), 24: mounting table, 25: upper traveling frame, 2
6: Lower traveling frame, 27: Elevating means, 28: Revolving means, 29: Frame member, 30: Side support means, 31:
Pallet holding member, 32, 33: columnar bar, 34, 3
5: vertical wheel, 36: deceleration motor, 37: central part, 38:
Guide wheels, 39: motor, 40: pinion, 41: large gear, 42: screw jack, 42a: elevating angle shaft,
43: square bearing, 44: lifting rotary shaft, 45: lifting rotary bearing, 46, 47: horizontal holding member, 48, 49: horizontal slide rail, 50: tip, 51: screw jack,
52: Upper horizontal plate, 53: Support arm on both sides, 54: Rear hanging piece, 55: Lower end portion, 56: Parent carriage for traversing, 57,
58: lower parallel rail (parent carriage traveling path), 59: upper support rail, 60: lower support rail, 61: upper rectangular frame,
62: lower rectangular frame, 63, 64: running frame, 6
5: traversing wheel, 66: tilting machine, 67: columnar support member, 6
8: Rotation position

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Sueta Igata 46-46 Nakahara, Tobata-ku, Kitakyushu-shi, Fukuoka F-term in Nippon Steel Plant Design Co., Ltd. 3F022 CC01 EE02 FF08 JJ11 LL12 MM13

Claims (3)

[Claims] 1. A rack for storing a large number of pallets each storing a long material in an inclined state is provided side by side on both sides in the horizontal direction of a traversing sub trolley traveling vertically on a sub trolley provided vertically. An automatic warehouse for supply and storage of long material, wherein the rack extends laterally below each of a plurality of rack posts that are erected vertically and at the same time, and extends at its tip. A mounting table supported on the floor and supporting the lower end of the pallet is provided, and a support table supporting the rear surface of the inclined pallet is provided above the rack post, and the vertical child carriage is provided vertically. The upper and lower traveling frames respectively provided on the subordinate trolley traversing path, and the upper and lower traveling frames respectively hold the upper and lower portions thereof, and are moved up and down by lifting / lowering means and turning means provided on the lower traveling frame. And pivotable And a pallet holding member having side support means for holding the pallet from behind, provided on the frame member so as to be able to advance and retreat in a substantially horizontal direction. By supporting the bottom and the rear of the pallet storing the long material by moving forward and backward, the pallet is stored or taken out, and further connected to the child trolley longitudinal path, and the vertical child trolley is mounted. An automatic warehouse for supply and storage of long material, comprising: a traversing parent trolley that can be placed and movable in the lateral direction; and a parent trolley traveling path on which the traversing parent trolley travels. 2. An automatic warehouse for supplying and storing a long material according to claim 1, wherein said side supporting means extends substantially horizontally from said pallet holding member toward both sides of said pallet. And a rear latching piece rotatably provided at the tip of the both-side support arm, the pallet is fitted between the both-side support arms, and the rear latching piece is rotated to horizontally hold the pallet. An automatic warehouse for supply and storage of long materials, wherein a back surface of the pallet is hung and supported. 3. The automatic warehouse for supplying and storing long material according to claim 1, wherein a tilting operation is performed at an end of the main bogie traveling path to tilt the pallet in a tilted state or a horizontal state. An automatic warehouse for supply and storage of long materials, which is provided with a tilting machine.