JP2991621B2 - Steel plate storage facility - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel sheet storage facility for storing large steel sheets carried by a transport means such as a truck into storage shelves for storing the steel sheets in a plurality of storage spaces in a three-dimensional manner in a horizontal state.

[0002]

2. Description of the Related Art The applicant of the present invention has proposed, for example, Japanese Patent Application No. 5-101711, for handling a large steel plate, in which a steel plate received by a truck or the like is stored in a three-dimensional shelf. As shown in FIG. 10, the steel sheet storage facility includes a receiving area 1 in which the transport truck 6 carries in the material steel sheet T, and a plurality of cutting processing lines 2A to 2D for processing the material steel sheet T by a cutting machine or a welding machine. A steel plate having a plurality of partitioned storage spaces 3 installed between the starting ends of three cutting processing lines 2A to 2C of the cutting processing lines 2A to 2D and the receiving area 1 and capable of storing the material steel sheets T one by one; A storage shelf 4, a steel plate loading / unloading device 5 movably arranged along the front surface of the steel plate storage shelf 4, and capable of taking in and out the material steel plate T into and out of the partitioned storage space 3, a transport truck 6, and a temporary storage Space 9
And a ceiling crane 7 capable of transporting the material steel plate T between the steel plate loading and unloading device 5 and the cutting line 2A to 2D.
At the lowermost stage of the steel plate storage shelf 4 corresponding to the above, a line carrying conveyor device 8 is installed, respectively.

[0003]

However, in the above configuration, a steel plate loading / unloading device 5 is disposed between the storage area 1 where the transport truck 6 is stored and the steel plate storage shelf 4, so that a large occupied area is required. There was a problem that is.

[0004] It is an object of the present invention to solve the above-mentioned problems and to provide a steel sheet storage facility capable of carrying in a steel sheet in a small area.

[0005]

Steel goods receipt apparatus of the present invention to solve the above problems SUMMARY OF THE INVENTION comprises a input load area, the storage rack having a plurality of storage space capable of accommodating the steel plate, and entry area storage rack Overhead crane device that is movable between, and the overhead crane device is mounted on a club trolley that can traverse along the girder, and a guide beam along the entry direction of the storage shelf is hung up and down freely. At least three movable bodies are movably disposed on the guide beam along the length direction, and each movable body is provided with a holder that can be held by being attracted to the surface of the steel plate, and each storage space of the storage shelf is provided. To
A pair of support chains having a gripper capable of gripping the front edge of the steel plate while transporting and supporting the steel plate are provided, and a steel plate transport drive device that drives these support chains is provided. A rectangular frame-shaped moving frame movable along the back surface of the storage shelf, a pair of elevating tables movably mounted on the moving frame, and a drive motor movable to the elevating tables. It is rotationally driven by the difference
Passive belt connected to the shaft of the port chain sprocket
And a transmission shaft with a drive bevel gear that can be disengaged from the bell gear.

[0006] In addition to the above structure, the club cart is provided with a steel plate position detector comprising a laser light oscillator and a light receiving detector capable of scanning in a predetermined direction and capable of detecting the position of a target steel plate. The guide beam is positioned above the center of the steel plate based on the detection value of the vessel.

[0007]

In the above construction, the steel sheet carried into the storage area is held by the suction tool of the overhead crane device and stopped in front of the storage space of the predetermined storage shelf, and the moving body is moved forward, stopped, and moved forward. The body is repeatedly separated from the sucking device, retreated, and sucked, and is made to move forward like a worm , pushing the steel plate into the storage space. As a result, the steel sheet can be stored in a predetermined storage space without using a steel sheet loading / unloading device, and a conventionally required steel sheet loading / unloading device is not required, and the occupied area can be significantly reduced. Since it is not necessary to perform a transfer operation to the loading / unloading device, the loading efficiency can be improved, and the manufacturing cost can be reduced.

In addition, since the position of the club cart, that is, the guide beam can be easily and accurately aligned with the center of the steel plate by the steel plate position detector, the steel plate can be quickly and accurately held and stably carried in. .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a steel sheet storage facility according to the present invention will be described below with reference to the drawings. This steel sheet storage facility is shown in FIG.
As shown in the figure, a receiving area 11 in which a large steel plate P can be carried in by a transport vehicle such as a transport truck 12, and four cutting processing lines 1 for processing the large steel plate P by a cutting machine or a welding machine.
3, a steel plate storage shelf 14 having a plurality of compartments (storage spaces) 14a arranged at the starting end of these cutting lines 13 and capable of storing large steel plates P one by one; 14 is provided with an overhead crane device 15 capable of storing a large steel plate P.

The overhead crane device 15 comprises a girder 18 which is guided by rails 17 attached to a pair of right and left vertical beams 16 along the processing line direction and which is capable of traveling in the front-rear direction, with traveling portions 18a at both ends being guided. A club cart 19 guided and supported by 18 and movable in the left-right direction, and a winch mounted on the club cart 19 is hung up and down via a main rope 20 so as to be able to move up and down.
A guide beam 21 extending in the direction of entry into the vehicle and, as shown in FIG. 1 and FIG. To 22C and the first to third moving bodies 22A to 22C.
C, each of which is constituted by electromagnetic lift magnets (an example of a holder) 24A to 24C which are suspended from the large steel plate P by being suspended from the cords 23A to 23C, respectively.

The guide beam 21 is supported by an elevating winch of a club trolley 19 with a main rope 20 wound around a suspending sheave 25 provided at an upper portion thereof, and is inverted left and right on both sides below a main beam member 21a. T-shaped section rail material 21b, 21b
Is mounted, and a transfer rack 26 is laid on the upper surface of one of the rail members 21b, 21b along the length direction of the guide beam 21. Moving bodies 22A to 22C
The main body 22a is guided by the guide pinion 21 by the transfer pinion 27 meshing with the transfer rack 26, the guide roller 28 contacting the other upper surface of the rail member 21b, and the side roller 29 contacting the edge of the rail member 21b.
The main body 22a is provided with a transfer motor 31 for rotatably driving the transfer pinion 27 via a timing belt 30. A stopper 32 is attached to the front and rear ends of the rail member 21b so as to limit movement.

A girder traveling device, a club carriage moving device, a lifting winch, lift magnets 24A to 24C and a transfer motor 31 provided on the traveling portion 18a.
The control room 33 (FIG. 4), which is set apart from the overhead crane device 15, is remotely controlled, and the left and right
-22C are synchronously driven back and forth.

As shown in FIG. 4, when the large steel plate P is held, the size of the large steel plate P is detected and the center Og of the club truck 19, that is, the guide beam 21 is set to the large size steel plate. A steel plate position detecting device 34 for positioning above the center Op of P is provided. The steel plate position detecting device 34 is provided in the left-right direction (XX
A laser oscillator 34s capable of scanning in the X-axis direction and the front-rear direction (Z-Z axis), and an X-bearing light detector 34x and a Z-bearing light detector 34z.
The laser beam scanned in the X-axis direction is detected by the X-bearing photodetector 34x, and the left and right end positions X _R , X of the large steel plate P are determined by the scan angle α of the laser oscillator 34s and the height H of the club cart 19. _{In addition} to detecting _L , the laser beam scanned in the Z-axis direction of the laser oscillator 34s is detected by the Z bearing photodetector 34z, and the large steel sheet P is obtained by the scan angle β of the laser oscillator 34s and the height H of the club cart 19. Front and rear end positions Z _F and Z _B can be detected.

Based on the detected values, the girder traveling device, the club truck moving device, and the transport motor 31 are driven to move the club truck 19 above the center Op of the large steel plate P and to move the center Og of the guide beam 21 to the large steel plate. P is positioned at the center Op, and further, the transport motor 31 is driven in accordance with the size of the large steel plate P, and the lift magnets 24A to 2
It is possible to set an initial holding position at which 4C is sucked and held on the upper surface of the large steel plate P.

As shown in FIG. 5, the steel sheet storage shelf 14 is provided with a stud 42 standing between the upper and lower horizontal beams 41, and a pitch at which one large steel sheet P can be accommodated vertically between the studs 12. For each p, the vertical beam member 43 and the horizontal beam member 44 are connected to each other to form a low compartment storage space 14a. Further, as shown in FIG. 7, a steel sheet transport and support device 45 that guides and supports the large steel sheet P and draws it into the interior is incorporated in each compartment storage space 14a.

That is, in the steel plate transporting and supporting device 45, a pair of left and right driving support chains 46
The support chain 46 is wound in the front-rear direction through the support chain 46a and a guide member 46b. Further, on the rear side of the steel plate storage shelf 14, a steel plate transport driving device 48 for driving the support chain 46 of the compartment storage space 14a to be used.
Is provided.

As shown in FIG. 8, the steel plate transport driving device 48 is guided by a moving rail 49 disposed above and below the back surface of the steel plate storage shelf 14 and is movable by a traveling device in a rectangular frame-shaped moving frame 50. And a pair of left and right elevators 5 that are vertically movable by a lifting device using a screw shaft mechanism along a pair of left and right elevator rails 50 a forming a vertical frame of the moving frame 50.
1, a transmission shaft 53 arranged on each elevator 51 and movable back and forth by a retractable cylinder 52, a drive motor 54 for rotating the transmission shaft 53 forward and reverse, and attached to the tip of the transmission shaft 53 , Sprocket 4 of support chain 46
The drive bevel gear 56 is meshable with a passive bevel gear 55 connected to the shaft 6a. Accordingly, the lifting table 51 is moved together with the moving the moving frame 50, in correspondence to the compartments housing space 14a to be used, transmission
With the shaft 53 protruding, the drive bevel gear 54 is turned into a passive bevel gear.
It is engaged in ya 55, by driving the driving motor 54, support chains 4 through a sprocket 46a
6 can be moved and the large steel plate P can be pulled in via the gripping tool 47.

As shown in FIG. 6, a guide roller 4 for guiding a large steel plate P is provided at the front of the support chain 46.
8, a stopper 49 for preventing the large steel plate from slipping out is provided at the front of the compartment storage space 14a.
Is provided.

In the above configuration, the large steel plate P carried into the receiving area 11 by the transport truck 12 is held by the overhead crane device 15 and stored in the predetermined storage space 14a of the steel plate storage shelf 14.

That is, in the club cart 19 of the overhead crane device 15 moved above the receiving area 11,
The position and size of the large steel plate P to be held are detected by the steel plate position detecting device 34, whereby the club cart 19 is positioned above the center of the large steel plate P, and
To the third moving bodies 22A to 22C are positioned at positions corresponding to the size of the large steel plate P. And guide beam 2
1, the lift magnets 24A to 24C are landed on the upper surface of the large steel plate P, and the lift magnets 24A to 24C are attracted to the upper surface of the large steel plate P by energizing.
Then, the large-sized steel plate P is lifted by raising the guide beam 21 and transported to the front part of the predetermined storage space 14 a of the steel plate storage shelf 14. And the first to third moving bodies 22A to 22A
22C to sequentially move the large steel plate P into the compartment storage space 14a.
Warehousing.

(1) The first to third moving bodies 22A to 22C are synchronously advanced from the position indicated by the solid line in FIG. 9A to the position indicated by the imaginary line in FIG. P
Is carried on the support chain 46 of the compartment storage space 14a.

(2) Then, the energization of the lift magnet 24A of the first moving body 22A is stopped so that the lift magnet 24A can be separated from the large steel plate P, and the first moving body 22A is moved to the second moving body 2A.
As shown by the solid line in FIG. 9 (b), the lift magnet 24A is retracted to the vicinity of 2B, and the lift magnet 24A is attracted to the large steel plate P by energizing. Further, the first to third moving bodies 22A to 22C are synchronously advanced to the position shown by the imaginary line in FIG. 9B, and the large steel plate P is pushed further inward.

(3) Next, the energization of the lift magnet 24C of the third moving body 22C is stopped so that the third moving body 22C can be separated from the large steel plate P, and the third moving body 22C is retracted to near the rear end of the large steel plate P. Then, power is supplied again to attract the lift magnet 24C to the large steel plate P. Further, the energization of the lift magnet 24B of the second moving body 22B is stopped so that the second moving body 22B can be separated from the large steel plate P.
B is retracted to the vicinity of the third moving body 22C, and electricity is supplied again to attract the lift magnet 24B to the large steel plate P. Furthermore, the lift magnet 24A of the first moving body 22A
Is stopped so as to be able to be separated from the large steel plate P, and the first moving body 22A is retracted to the vicinity of the second moving body 22B as shown by a solid line in FIG. To the large steel plate P. Next, the first to third moving bodies 22A to 22C are synchronized and FIG.
To the position shown by the imaginary line, and push the large steel plate P further inward. Thereby, most of the large steel plate P can be stored in the compartment storage space 14a.

In the subsequent storage, the leading edge of the large steel plate P is gripped by the gripping tool 47 provided on the support chain 46, and the large steel plate P is driven by the steel plate transport driving device 48 to drive the large steel plate P. It is completely pulled into the compartment storage space 14a.

The carry-out from the compartment storage space 14a is as follows.
The large-sized steel sheet P is sent out to the back side by a steel sheet unloading device (not shown) and sent out to the cutting line 13. According to the above-described embodiment, the overhead crane device 1 can be installed without a special device for loading the large steel plate P into the three-dimensional steel plate storage shelf 14.
5, it is possible to store large steel plates P,
Equipment space and manufacturing costs can be greatly suggested.

[0026]

[0027]

As described above, according to the present invention, the steel plate carried into the storage area is held by the suction tool of the overhead crane and stopped at the front of the storage space of the predetermined storage shelf to move the moving body. It repeatedly moves forward, stops, separates the suction member of the front moving body, retreats the moving body, and sucks it, advances it in a bug-like manner, and pushes the steel plate into the storage space. And finally, warehousing
Driven by a steel plate transport drive unit
To move it to the support chain and completely fill the storage space
Can be stored. Thus, without the use of steel goods movements apparatus, it is possible to warehousing the steel sheet in a predetermined housing space, steel Goods Movement device was needed with the prior art Ru greatly reduced occupied area becomes unnecessary. In addition, since the transfer work to the steel plate loading / unloading device is not necessary, the loading operation efficiency can be improved, and the manufacturing cost can be reduced.

Further, since the position of the club cart, that is, the guide beam can be easily and accurately aligned with the center of the steel plate by the steel plate position detector, the steel plate can be quickly and accurately held and stably carried in. .

[Brief description of the drawings]

FIG. 1 is a side view showing a steel sheet holding part of an overhead crane device in a steel sheet storage facility according to the present invention.

FIG. 2 is a sectional view taken along the line AA shown in FIG.

FIG. 3 is an overall perspective view showing the steel sheet storage facility.

FIG. 4 is a perspective view illustrating a steel sheet position detector provided in the steel sheet storage facility.

FIG. 5 is a perspective view showing the entire structure of a steel sheet storage shelf arranged in the steel sheet storage facility.

FIG. 6 is a partial perspective view showing a front surface of a steel plate storage shelf of the steel plate storage facility.

FIG. 7 is a schematic side view showing a steel sheet transport and support device of the steel sheet storage shelf.

FIG. 8 is a partial perspective view showing a steel plate transport drive device of the steel plate storage shelf.

FIGS. 9A, 9B, and 9C are schematic side views illustrating the loading operation of the overhead crane device.

FIG. 10 is an overall perspective view showing a conventional steel sheet loading / unloading facility.

[Explanation of symbols]

P Large steel plate 11 Receiving area 12 Transport truck 13 Cutting line 14 Steel plate storage shelf 14a Sectional storage space 15 Overhead crane device 18 Girder 19 Club trolley 21 Guide beam 22A-22C First-third moving body 24A-24C Lift magnet (holding) 31) Motor for transfer 33 Control room 34 Steel plate position detector 34s Laser oscillator 34x X-bearing light detector 34z Z-bearing light detector 45 Steel plate transport support device 46 Support chain 47 Gripping tool 48 Steel plate transport drive device 50 Moving frame 51 Up / down Table 53 Transmission shaft 54 Drive motor 55 Passive bevel gear 56 Drive bevel gear

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B65G 1/00-1/20 B66C 17/00

Claims (2)

(57) [Claims] And 1. A Illini area, a storage rack having a plurality of receiving spaces capable of accommodating steel, and a ceiling crane device which is movable is provided between the entry area containing shelves, the overhead crane device, A guide beam along the direction of entry of the storage shelf is hung up and down on a club trolley that can traverse along the girder, and at least three movable bodies are movably disposed along the guide beam in the length direction. Each moving body is provided with a holding tool that can be attracted to and held on the surface of the steel plate, and each storage space of the storage shelf has a holding tool that can transport and support the steel plate and hold a front edge of the steel plate. A pair of support chains are provided, and a steel plate transport drive device for driving the support chains is provided, and the steel plate transport drive device is a rectangular frame movable along the back surface of the storage shelf. -Shaped moving frame, a pair of elevating tables arranged on the moving frame so as to be able to move up and down, and being able to move out and retreat to these elevating tables by a drive motor to rotate the support chain.
Meshes with a passive bevel gear connected to the sprocket shaft
A steel plate storage facility, comprising: a transmission shaft with a removable drive bevel gear. 2. A club cart is provided with a steel plate position detector comprising a laser light oscillator capable of scanning in a predetermined direction and a light receiving detector, and capable of detecting the position of a target steel plate. 2. The steel sheet storage facility according to claim 1, wherein the guide beam is positioned above the center of the steel sheet based on the guide beam.