JP3024009B2 - Temporary material support for material storage - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a case where a material is stored in an appropriate storage shelf of a three-dimensional shelf having a plurality of storage shelves for storing a long material such as a round bar or a square bar. The present invention relates to a device for temporarily supporting a material in order to detect a position of an end of the material in advance.

[0002]

2. Description of the Related Art A material transporting apparatus for loading and unloading materials to and from each of the above-mentioned storage shelves of a three-dimensional shelf comprising a plurality of storage shelves for appropriately storing long materials such as bar materials is provided. A traveling carriage that is movable in a direction perpendicular to the direction is provided, and a long lifter beam that is movable up and down along the three-dimensional shelf is provided on the traveling carriage, and protrudes in a direction perpendicular to the longitudinal direction of the lifter beam. A plurality of lifter arms are provided in the longitudinal direction of the lifter beam.

[0003]

In the above construction, since a material is merely transferred between the storage shelf of the three-dimensional shelf and the lifter arm of the material conveying device, a long material is stored in the storage shelf. When stored in the storage shelf, the storage shelf is used over substantially the entire length, and the storage shelf can be used effectively. However, when the material is relatively short, the relatively short material cannot be arranged in series in the longitudinal direction and stored in the storage shelf, and the relatively short material is arranged in parallel with the storage shelf. There is a problem with effective utilization.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, the present invention relates to a method for transporting a material to a three-dimensional shelf provided with a storage shelf for storing a long material by using a material transport device. In a material temporary supporting device for temporarily supporting a material, a material mounting table provided with a plurality of material supporting members for supporting the material at appropriate intervals is provided with a positioning stopper that can freely contact an end of the material. A plurality of carriages are provided movably, and a position detector for detecting the movement position of the carriage is provided on each carriage, and the stoppers provided on each carriage are brought into contact with both ends of the material so that the material is moved. The position of both ends is detected by each of the position detectors.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.

Referring to FIGS. 1 and 2, a material storage device 1 for storing a long material M such as a bar is provided with a plurality of three-dimensional shelves 3 (only two are shown in this embodiment, ,
(Which are provided in large numbers) in parallel.

[0007] The three-dimensional shelf 3 has a plurality of columns 5 which stand vertically. The plurality of columns 5 are arranged in the longitudinal direction of the material M, and the columns 5 are integrally connected by an appropriate communication member. And on each strut 5,
A support arm 7 for supporting the material M is provided so as to protrude in the left-right direction, and the support arm 7 is provided in a plurality of stages vertically. The plurality of support arms 7 serve to store and support the material M, and constitute a storage shelf 9.

In the present embodiment, a description will be given of a configuration in which the support arm 7 is projected from the column 5 in the left-right direction and storage shelves 9 are provided on both sides of the column 5. A configuration provided on one side may be employed.

The lower part of each of the three-dimensional shelves 3 has a plurality of connecting plates 11.
A material feeding roller conveyor 15 for feeding the material M to a cutting machine 13 for cutting the material M is disposed between the three-dimensional shelves 3 at appropriate positions.

The cutting machine 13 may be a known cutting machine such as a band saw machine, a circular saw machine, a disk cutter or the like. In the present embodiment, a more detailed configuration and operation of the cutting machine 13 will be described. Description is omitted.

The feed roller conveyor 15 rotatably supports a substantially horizontal support roller 19 and a vertical roller 21 on a number of conveyor brackets 17 erected so as to avoid interference with the plurality of connecting plates 11. It is.

Each of the support rollers 19 of the material feeding roller conveyor 15 is appropriately connected to a material feeding motor (not shown) provided so as to perform a material feeding action on the cutting machine 13. Further, for example, the interval between the support rollers 19 is provided so that an arm or a claw member or the like that supports the material M can easily enter in a transfer device such as a crane that supports and transfers the material M.

The material storage device 1 is provided with a material transport device 23 for carrying the material M in and out of the storage shelves 9 of the three-dimensional shelves 3 and the material feeding roller conveyor 15.

The material conveying device 23 is provided with left and right guide rails 25 provided on both sides of the three-dimensional shelf 3 in the longitudinal direction.
Are provided so as to be movable in the direction in which the plurality of three-dimensional shelves 3 are arranged side by side.

More specifically, the guide rail 25 is provided relatively high via a plurality of columns 27, and the material M fed by the feed roller conveyor 15 crosses the lower side of the guide rail 25. It is configured to pass through. The material transfer device 23 such as a gantry crane is movably supported on the guide rail 25.

More specifically, the legs 29L on both sides of the gate-shaped frame 29 in the material conveying device 23
1 and is movably guided to a guide rail 25 via the first rail 1. Vertical guide members 33 are provided vertically inside the two leg portions 29L, and both ends of a horizontally extended lifter beam 35 are vertically guided by the vertical guide members 33.

In order to move the lifter beam 35 up and down, a vertical motor 37 is mounted on the upper horizontal beam portion 29B of the gate-shaped frame 29. The vertical motor 37 and the lifter beam 35 Are appropriately connected. As a mechanism for moving the lifter beam 35 up and down along the vertical guide member 33, for example, a screw rod perpendicular to a nut member provided on the lifter beam 35 is rotatably screwed, and this screw rod is connected to the motor for lifting and lowering. Various general configurations can be adopted, such as a configuration of rotating by a 37 or a configuration of connecting a chain, a wire, or the like wound around a drum rotated by a lifting / lowering motor 37 to a lifter beam 35.

That is, since a general structure may be used for moving the lifter beam 35 up and down, a detailed description of the structure in which the lifting motor 37 and the lifter beam 35 are interlocked will be omitted.

The frame 29 in the material conveying device 23 can move while straddling the three-dimensional shelf 3. By moving the lifter beam 35 up and down in a state where the frame 29 is positioned corresponding to the three-dimensional shelf 3, the lifter beam 3 can correspond to each of the upper and lower storage shelves 9 in the three-dimensional shelf 3.

Therefore, in order to carry in / out the material M to / from each storage shelf 9 of the three-dimensional shelf 3, the lifter beam 35
Is provided with a plurality of lifter arms 39 for supporting the material M. In this embodiment, the lifter arm 39 is provided in the left-right direction perpendicular to the longitudinal direction of the lifter beam 35 so that the material M can be carried in and out of each of the storage shelves 9 on both sides of the column 5 in the three-dimensional shelf 3. It is provided so that it can protrude in both directions.

Further, the lifter arms 39 are divided into a plurality of groups, and each group is configured so as to be individually protrudable in the left-right direction.

More specifically, as shown in FIGS.
The plurality of lifter arms 39 are movably supported by left-right guide supports 41 provided on the lifter beam 35, and pinion gears 45 mesh with rack portions 43 provided on the respective lifter arms 39. Each of the pinion gears 45 is mounted on a rotating shaft 49 rotatably supported by a bracket 47, and the rotating shaft 49 is linked to an appropriate motor (not shown).

Although not shown in detail, the rotating shaft 49 is divided into a plurality of parts corresponding to the groups of the lifter arms 39, and each rotating shaft 49 is linked to a separate motor. That is, the lifter arm 39 can be driven for each groove (in the present embodiment, the lifter arm 39 is divided into two groups).

The structure for moving the lifter arm 39 to the left and right with respect to the lifter beam 35 is not limited to the above embodiment, and various structures can be adopted. For example, the lifter arm 39 may be configured to be horizontally rotatable, and may be configured to protrude leftward or rightward of the lifter beam 35. It is also possible to adopt a configuration in which the lifter arm 39 is moved in the left-right direction by employing a screw mechanism. Further, it is also possible to provide a structure in which a return cylinder is provided for each of the lifter arms 39 and each lifter arm 39 is individually moved in the left-right direction.

That is, the configuration for moving the lifter arm 39 in the left-right direction with respect to the lifter beam 35 is not limited to the above-described embodiment, and various configurations can be adopted.

The three-dimensional shelf 3 is moved by the material conveying device 23.
Prior to transporting and storing the material M to each of the storage shelves 9,
A material mounting table 51 for temporarily holding the material M is arranged in parallel at a side position of the three-dimensional shelf 3.

The material loading table 51 is for loading and supporting the material M transported by a transporter such as a crane or a forklift. As shown in detail in FIGS. A plurality of support beams 55 supported horizontally by 53 are provided. A plurality of plate-like material support members 57 in which a material placing portion 57S for supporting the material M is formed in a concave shape are attached to the support beam 55 at appropriate intervals.

In order to position the leading end of the material M placed on the material placing portion 57S of the plurality of material supporting members 57, the material placing table 51 is provided with a material for positioning the end of the material M. A stopper 59 is provided.

More specifically, as is apparent from FIGS. 5 and 6, the support beam 55 has a guide rail 61 provided horizontally and a rack 63 provided horizontally. The support rail 55 is provided on the guide rail 61.
A carriage 65 located between the two is movably supported. A running motor 67 is mounted on the carriage 65, and a rotating shaft 71 having a pinion gear 69 meshed with the rack 63 is rotatably supported. The traveling motor 67 and the rotating shaft 71 are linked to each other via an appropriate linking mechanism 73 such as a chain or a belt. In order to detect the moving position of the carriage 65, for example, a position detector such as a motor 67 or a pulse encoder linked to a rotating shaft is provided.

A guide member 75 is provided on a vertical portion provided on the carriage 65. A vertical rail member 77 integrally provided on the stopper 59 is supported on the guide member 75 so as to be vertically movable. ing. Further, an elevating cylinder 79 for vertically moving the stopper 59 is attached to a vertical portion of the carriage 65, and a distal end portion of a piston rod 79P provided in the elevating cylinder 79 has a bracket fixed to the stopper 59. It is connected to 81.

Therefore, when the stopper 59 is lowered from the material supporting member 57, the traveling motor 6
By driving the carriage 7, the carriage 65 can be moved to an arbitrary position along the guide rail 61. After moving the carriage 65 to an arbitrary position as described above,
By operating the lifting cylinder 79, the stopper 5
9 can protrude from between the material support members 57, and the end of the material M can be abutted at any position to perform positioning.

In the above configuration, the carriage 65 is positioned at an arbitrary position corresponding to the length of the material M,
The stopper 59 is held so as to protrude from the material supporting member 57. Then, the material M is conveyed onto the material mounting table 51 by a transporter such as a forklift, and the end of the material M is brought into contact with the stopper 59 so that the material supporting member 57 is moved.
The material M is placed on the material placing table 51 with its end positioned by placing the material M on the placing portion 57S.

As described above, the material M is placed on the material placing table 51.
Is moved to the position close to the material placing table 51 when the position is placed and placed. Whether the storage shelf 9 for storing the material M is located on the right side or the left side of the three-dimensional shelf 3,
Of the lifter arm 39 with respect to the lifter beam 35 is selected in accordance with the position of.

As described above, the material transport device 23 is moved to a position close to the material placing table 51 and the lifter arm 39 is moved.
Is selected, and the lifter beam 35 is connected to the material placing table 5.
It descends to a height corresponding to the height position of the first material support member 57. After that, as shown in FIGS. 5 and 6, the lifter arm 39 is appropriately moved under the material M supported by the material support member 57, and then the lifter beam 35 is raised by driving the lift motor 37. Thus, the material M on the material mounting table 51 is supported by the lifter arm 39 of the material transport device 23.

Therefore, after the material M is supported by the rear arm 39, the material conveying device 23 is moved to the desired three-
To the position corresponding to the desired storage shelf 9
The lifter beam 35 is positioned downward in accordance with the height of the lifter beam. After that, the material M supported by the lifter arm 39 can be stored in the storage shelf 9 by slightly moving the material transport device 23 in the direction approaching the three-dimensional shelf 3.
After lowering the lifter arm 39 slightly and returning the material transporting device 23 slightly, the lifter beam 35
Is raised to the highest position, the material transporting device 23 returns to the initial state in which it can move across the three-dimensional shelf 3.

As described above, when the material M is transported and stored from the material mounting table 51 to the storage shelf 9 of the three-dimensional shelf 3, the position of the stopper 59 provided on the carriage 65 is adjusted, and the material M is By positioning the end, the position of the end of the material M can be known. Accordingly, interference with the end of the other material M can be avoided, and the material M can be arranged in series in the longitudinal direction and stored in the storage shelf 9 like M1 and M2 shown in FIG. It can be used.

As described above, when the materials M are arranged in series in the longitudinal direction and stored in the storage shelf 9, and when the materials M are taken out from the storage shelf 9, the lifter arms 39 of the group corresponding to the length of the material M are used. It is desirable that only the lifter arms 39 of the above group be protruded so as to support the material M so as to support the material M.

FIGS. 7 and 8 show another embodiment of the structure related to the lifter beam 35 and the lifter arm 39 in the material conveying device 23. FIG.

That is, in this embodiment, a lifter beam 35 is provided with a guide rail 83, and a plurality of movable bodies 85 movably supported by the guide rail 83 are provided with a lifter arm 39 rotatably horizontally. It is.
In order to move the moving bodies 85, a moving motor 87 is mounted on each moving body 85, and a pinion gear 89 provided on each moving motor 87 meshes with a rack 91 provided on the lifter beam 35. It is. The lifter arm 3
Since the structure for automatically rotating the shaft 9 horizontally can be implemented very easily by a combination of a motor and a gear, a detailed description of the structure for horizontally rotating the lifter arm 39 will be described in detail. Is omitted.

In the configuration illustrated in FIGS. 7 and 8, a plurality of moving bodies 85 are individually moved, and the positions and intervals of each moving body 85 are arbitrarily set according to the length of the material M. Accordingly, even when the material M having an arbitrary length is located at an arbitrary position on the material mounting table 51 or the three-dimensional shelf 9, the material M can be easily supported by the plurality of lifter arms 39 corresponding to the material M. Can be done.

FIG. 9 shows that the carriage 6 is mounted on the material placing table 51.
5, an embodiment in which stoppers 59 and the like are provided facing each other.

According to this embodiment, one stopper 59
By positioning one end of the material M with the other, and positioning the other end of the material M with the other stopper 59, the material M
The position of both ends can be known. Therefore, the length of the material M can be known.

FIG. 10 shows a reference example of the material mounting table 51. In this reference example, lifting cylinders 93A, 93B, 93C are provided at a plurality of positions of the material mounting table 51, and the lifting cylinders 93A, 93B are provided. , 93C so that the respective stoppers 95A, 95B, 95C can be individually moved up and down.

According to the above configuration, when the material M is long, an unnecessary stopper may be lowered, and when the material M is relatively short, a plurality of stoppers 95A, 95B, 9 are used.
By protruding the 5C and positioning the end of the material M in contact with each stopper, the positioning of the material M can be performed efficiently.

The carriage 6 illustrated in FIGS.
The same effect as in the reference example shown in FIG. 10 can also be obtained by providing a plurality of 5 and moving and positioning each carriage 65 to an arbitrary position and moving each stopper 59 supported by each carriage 65 up and down. What you get.

The present invention is not limited to the above embodiment, but can be implemented in other modes by making appropriate changes. For example, a configuration may be employed in which a roller is provided on the material placing table 51 to move the material in the longitudinal direction.

[0047]

As will be understood from the above description of the embodiment, according to the present invention, the material M is temporarily stored in the storage shelves 9 of the three-dimensional shelf 3 before the material M is loaded and stored. A plurality of carriages 65 each having a stopper 59 are movably provided on the material mounting table 51 on which the material is to be mounted.
5 is provided with a position detector to position each stopper 59 by contacting both ends of the material M, so that the positions of both ends of the material M can be known. Therefore, when the material M is to be stored in the storage shelf 9 of the three-dimensional shelf 3 in series in the longitudinal direction, the length of the material M can be known in advance and does not interfere with the material M stored in advance. As described above, it is possible to easily carry in and store the materials M in the storage shelf 9 in a state of being arranged in series.

[Brief description of the drawings]

FIG. 1 is a front view of a material storage device.

FIG. 2 is a plan view of the same.

FIG. 3 is a partial cross-sectional view along the line III-III in FIG. 2;

FIG. 4 is a side view of FIG. 3;

FIG. 5 is an enlarged view corresponding to a cross-sectional view taken along line VV in FIG. 2;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a perspective view showing another embodiment.

FIG. 8 is a side view in the direction of arrow VIII of FIG. 7;

FIG. 9 is an explanatory view showing another embodiment.

FIG. 10 is an explanatory diagram showing a reference example.

[Explanation of symbols]

 3 3D Shelf 9 Storage Shelf 23 Material Transfer Device 51 Material Placement Table 57 Material Support Member 59 Stopper 65 Carriage

Claims (1)

(57) [Claims] 1. A material conveying device (2) for a three-dimensional shelf (3) having a storage shelf (9) for storing a long material (M).
3) Therefore, when the material (M) is transported, a plurality of material supporting members (57) for supporting the material (M) are provided at appropriate intervals in the temporary material supporting device for temporarily supporting the material (M). A plurality of carriages (65) each having a positioning stopper (59) that can freely contact the end of the material (M) are movably provided on the material mounting table (51), and the moving position of the carriage (65) Is provided on each carriage (65), and the stoppers (59) provided on the carriages (65) are in contact with both ends of the material (M) so that the material (M) can be detected. A material temporary supporting device for a material storage device, wherein the positions of both ends are detected by the position detectors.