JP2985450B2 - Automatic warehouse - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a shelf which is installed in a factory and has a plurality of storage sections formed in a vertical direction and a horizontal direction, and is supported and guided by a floor rail and travels on a fixed path in front of the shelf. The present invention relates to an automatic warehouse comprising a freely accessible device.

[0002]

2. Description of the Related Art For example, in an automatic warehouse having shelves and a loading / unloading device, a structure as disclosed in Japanese Utility Model Application Laid-Open No. 61-7105 is provided for supplying power to the loading / unloading device. JP-A-63-1250
The structure found in No. 5 is provided.

That is, in FIG. 5 in which both publications are combined, trusses 70 are erected at predetermined intervals in front, rear, left and right, and a brace 71 is continuously provided from the side of these truss 70 to the adjacent truss 70 side, and Further, a shelf 73 having a plurality of pool portions 72 in the horizontal direction is configured. On the front side of the shelf 73, a loading / unloading device 76 for loading / unloading the pallet 75 on which the load 74 is placed is provided. The loading / unloading device 76 includes a traveling body 81 supported on floor rails 77 via wheels 78 and guided on ceiling rails 79 via rollers 80, and a lifting platform 82 supported and guided on the traveling body 81 side. , This elevator
It comprises an insertion / removal mechanism 83 provided on the 82 so as to be able to move in and out in the horizontal direction.

[0004] Therefore, the combined movement of the traveling motion of the traveling body 81 on a fixed path along the front surface of the shelf 73, the elevation motion of the elevating platform 82, and the lateral extension / retraction motion of the loading / unloading mechanism 83,
The load 74 between the shelf 73 and the loading / unloading device 76 via the pallet 75
Can be delivered.

At this time, a power supply unit 84 for supplying power and transmitting / receiving signals from the ground to the access device 76 is provided along a fixed route near the ceiling rail 79, and
At the top of 81, a current collector that can slide freely on the power supply unit 84
85 are provided. Further, a detected plate 86 for controlling the traveling of the loading / unloading device 76 is fixed to a side edge of a base plate 87 for the floor rail 77, and a detector 88 capable of detecting the detected plate 86 below the traveling body 81. Is provided.

[0006]

According to the above conventional type, the power supply unit 84 disposed on the ceiling frame and the detection plate 86 fixed to the base plate 87 are assembled at the installation site. Therefore, construction work such as assembling at a high place and various wirings to the power supply unit 84 could not be easily performed, resulting in an increase in cost as a whole. Power supply unit 84
Because it is located on the ceiling side, maintenance and management including the current collector 85 cannot be easily and safely performed, and dust generated by sliding contact of the current collector 85 floats or falls, The environment is getting worse.

Further, the arrangement of the power supply unit 84 near the ceiling rail 79 and the attachment of the detected plate 86 to the base plate 87 are performed through a number of attachment members such as brackets. The work was troublesome. Further, since the detection position composed of the detection plate 86 and the detector 88 is far from the supported position of the wheel 78 with respect to the floor rail 77, the swing and vibration greatly affect the detection position. Accuracy is low.

It is an object of the present invention to easily and inexpensively perform construction, maintenance, and management, to make the surrounding environment suitable, to be unaffected by changes in the width of the passage, and to further provide a power supply unit and a detection target. The installation of the apparatus is to provide an automatic warehouse that can be performed accurately without using an installation member.

[0009]

In order to achieve the above object, an automatic warehouse according to the first aspect of the present invention comprises a shelf having a plurality of storage sections formed in a vertical direction and a horizontal direction; An automatic warehouse comprising a loading / unloading device capable of traveling on a fixed route, wherein the floor rail is laterally attached to a side surface thereof.
With an open dovetail-shaped mounting part and integrally molded,
A power supply unit for the access device is attached to a mounting portion on a side surface of the floor rail, and a current collector slidably contacting the power supply unit is provided below the access device.

In the automatic warehouse according to the second aspect of the present invention, the floor rail is integrally formed with a dovetail-shaped mounting portion which is open on both sides, and is mounted integrally on one side surface of the floor rail. A power supply unit to the access device is mounted on the power supply unit, and a detection device for traveling control is mounted on a mounting portion on the other side, and a current collector slidably in contact with the power supply unit below the access device; And a detection device capable of detecting the detection device.

[0011]

According to the structure of the first aspect of the present invention, the power supply unit is formed integrally with the floor rail in the manufacturing factory .
It can be attached directly to the open dovetail-shaped mounting part on the side ,
Therefore, the desired arrangement can be performed by laying floor rails at the installation site. Since the power supply unit is attached to the side surface of the floor rail, the power supply unit can be arranged without any influence even if the width of the passage between the shelves is changed, and various wirings to the power supply unit can be easily performed. Further, since the power supply unit is disposed near the floor, maintenance and management can be easily performed, and dust generated by sliding contact of the current collector falls immediately onto the floor without floating.

According to the configuration of the second aspect of the present invention, the power supply unit and the device to be detected are integrally formed on both side surfaces of the floor rail in the manufacturing factory, and are provided on the left and right mounting portions in the form of dovetail grooves which are open sideways. It can be distributed and attached directly. And since the detection position consisting of the detection device and the detected device approaches the supported position of the wheel with respect to the floor rail, shaking and vibration do not greatly affect the detection position, and therefore the accuracy of travel control etc. is improved. I can do it.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. The frame-like shelf 1 has a plurality of storage sections 2 formed in the vertical and horizontal directions, and each storage section 2 is configured to support a load 3 (either directly or through a pallet) via arms. ing. The shelves 1 are arranged side by side with a passage 4, and an access device 10 that can run on a fixed path 5 is provided in the passage 4.

The loading / unloading device 10 includes a lower frame 11
And a pair of front and rear posts erected from the lower frame 11
A traveling body is constituted by 12, 13 and an upper frame 14 connecting the upper ends of the posts 12, 13. And
An elevating body 15 is arranged between the posts 12 and 13, and a fork 17 (fork) which can be moved in and out of the storage unit 2 by the operation of the elevating device 16 is arranged on the elevating body 15. ing. The lower frame 11 has a drive wheel 18 and a driven wheel 19 that can roll on a floor rail 30 in a front and rear direction, and the upper frame 14 has a guide roller 20 guided by the ceiling rail 6.

On the lower frame 11, one post 12
The lifting drive device 21 interlocked with the lifting body 15
And a traveling drive unit 22 interlocked with the drive wheels 18. The lower frame 11 is located below the other post 13.
A control unit 23 for controlling each operating portion of the access device 10 is provided on the side surface of the device. And the other post
A ladder 24 for maintenance and inspection is arranged on the outer surface side in the front-rear direction of 13.

The floor rail 30 has an I-shape comprising an upper plate portion 31 with wheels 18 and 19 abutting from above and guide wheels 25 facing from both sides, a vertical web portion 32, and a lower plate portion 33. On both sides of the web portion 32, dovetail-shaped mounting portions 34, 35 which are open laterally are formed by projecting in two steps, upper and lower, respectively. A pair of left and right dovetail-shaped connecting portions 36 which are open at the bottom are recessed and formed. Here, the floor rail 30 is made of, for example, an aluminum drawer molded product, and
The 4, 35 and the joint 36 are integrally formed.

The floor rails 30 having the above-described configuration are laid on the floor via floor rail support devices 40 located at predetermined intervals. That is, the floor rail support device 40 is composed of an anchor base 41 fixed on the floor, a bracket 43 disposed above the anchor base 41 via a connecting tool 42 that can be adjusted up and down by a screwing operation, and the like. The bracket
The floor rail 30 is fixed on 43. Here, the connecting tool 42 has a pair of left and right cylindrical bodies 44 erected on the anchor base 41,
An outer screw 45 and an inner screw 46 are formed in these cylindrical bodies 44. And the bracket 43 is configured to be able to be mounted on the nut body 47 screwed to the outer screw 45 from above, and
Vertical bolt holes formed at the end of this bracket 43
A bolt 49 passed from above through 48 is configured to be screwable with the inner screw 46.

Therefore, the bracket 43 is placed on the nut body 47 from above, and the bolt 49 passed through the bolt hole 48 from above is screwed into the inner screw 46 by a predetermined amount, and then screwed into the outer screw 45. Move the nut body 47
By holding the bracket 43 between the head and the nut body 47, the connecting tool 42 can fix the bracket 43 to a predetermined level with respect to the floor surface.

Further, a plate nut 37 is connected to the connecting portion 36 of the floor rail 30.
Are inserted into the bolt holes 50 in the vertical direction formed in the middle part of the bracket 43.
By screwing the 51 to the plate nut 37, the floor rail 30 can be fixed on the bracket 43.

Plate nuts 38, 39 are also inserted into the mounting portions 34, 35 formed on both side surfaces of the web portion 32, respectively. Therefore, the power supply unit 55 facing one side surface of the web portion 32 is provided with a bolt passing from the outside thereof.
By screwing 56 to the plate nut 39, it is fixed to one side surface of the floor rail 30. Further, the detection device 60 for traveling control facing the other side surface of the web portion 32 is screwed into a plate nut 38 with a bolt 61 passed from the outside thereof, so that the floor rail 30
Fixed to the other side.

In other words, the power supply unit 55 is disposed at a plurality of positions in the length direction of the floor rail 30 by a spacer member 57 which can be applied to the mounting portion 35 on one side surface, and is fitted to the outer side surface of the spacer member 57. A rail-shaped protective body 58 freely made of an insulator, and rails for power supply and signals arranged at a plurality of upper and lower locations (four locations in the figure) on the front surface of the protective body 58
It consists of 59. After the bolt 56 is passed through a bolt hole formed in the spacer member 57, the bolt 56 is screwed into the plate nut 39 to be attached to one side surface of the floor rail 30.

The device to be detected 60 comprises a plurality of detection plates 62 which can be applied to the mounting portions 34 on the other side at predetermined positions in the length direction of the floor rail 30. Bolt holes formed in these detection plates 62 After passing the bolt 61, the plate nut 38
By screwing to the other side, the floor rail 30 is attached to the other side surface. The detection plate 62 is for high-speed cutting, fixed position / medium speed cutting, and the like.

A current collector 26 is provided below the loading / unloading device 10 so as to be slidable on the rail 59 of the power supply unit 55. The current collector 26 includes a bracket 26a mounted on the lower frame 11 and a current collector 26b mounted on the inner surface side of the bracket 26a. The current collector 26b can slide on the rail portion 59. Further access device
In the lower part of 10, a detection device capable of detecting the device to be detected 60
28 are provided. This detection device 28 is
And the bracket 28a attached to the bracket 11
And a detector 28b which is attached to the inner surface of the device and which can be opposed to the device to be detected 60.

Next, the operation of the above embodiment will be described.
In the manufacturing plant, the power supply unit 55
And the device to be detected 60 are provided. This is each mounting part
Place plate nuts 38, 39 on 34, 35 and bolts 56,
After passing 61 from the outside, it can be screwed into the plate nuts 38 and 39 and tightened, so that the power supply unit 55 and the detection target device 60 can be fixed at predetermined positions on the floor rail 30.

The floor rail 30 is thus assembled and transported to the installation site. Then, when assembling the automatic warehouse at the installation site, first, the anchor base 41 is disposed at a predetermined position on the floor, and the bracket 43 is disposed on the anchor base 41 via the connecting tool 42. The bracket 43 of the floor rail support device 40 assembled in this manner
The floor rail 30 is placed in between, and the bolt 51 is screwed into the plate nut 37, whereby the floor rail 30 is laid at a predetermined position.

In the automatic warehouse constructed as described above, the traveling movement of the loading / unloading device 10 on the fixed route 5
The combined movement of the lifting / lowering body 15 and the horizontal movement of the loading / unloading device 17 allows the loading / unloading of the load 3 between the intended storage section 2 of the shelf 1 and the loading / unloading device 10.

The power supply to the insertion / removal device 10 and the transmission / reception of the control signal are smoothly performed by the current collector 26b of the current collector 26 slidingly contacting the rail portion 59 of the power supply unit 55. At that time, since the power supply unit is located in the lower part in the passage 4, dust generated by sliding contact immediately falls on the floor or floats in a small area, and does not deteriorate the surrounding environment.

The traveling of the loading / unloading device 10 is controlled by detecting the detection plate 62 by the detector 28b. At that time, the detection position including the detection device 28 and the detected device 60 is
Since the position where the wheels 18 and 19 are supported by the floor rail 30 is close to the position, the shake and vibration do not significantly affect the detection position, so that the accuracy of travel control and the like can be improved.
The maintenance and management of the power supply unit 55 and the current collector 26 can be performed from the floor side.

[0029]

According to the first aspect of the present invention, the power supply unit is directly attached to a side-open dovetail-shaped mounting portion integrally formed on a floor rail in a manufacturing factory. Therefore, mounting can be easily and quickly performed without using a mounting member, and the number of parts can be reduced. Further, at the installation site, the desired arrangement can be performed by laying floor rails.

Since the power supply unit is mounted on the side surface of the floor rail, the power supply unit can be arranged without any influence even if the width of the passage between the shelves is changed, and various wiring to the power supply unit can be easily performed. Can be constructed.
Furthermore, since the power supply unit is located near the floor,
Maintenance and management can be easily and safely performed from the floor side, and dust generated by sliding contact of the current collector during operation will immediately fall on the floor or float in a small area,
The surrounding environment can always be improved.

According to the configuration of the second aspect of the present invention, the power supply unit and the device to be detected are integrally formed on both sides of the floor rail in the manufacturing factory, and are provided on the left and right mounting portions in the form of dovetails which are open sideways. It can be directly attached and arranged. Since the detection position consisting of the detection device and the detected device approaches the supported position of the wheel with respect to the floor rail, the shake and vibration hardly affect the detection position, thus improving the accuracy of travel control and the like. it can.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention and is a front view of a floor rail portion in an automatic warehouse.

FIG. 2 is a vertical sectional front view of a main part of the floor rail unit.

FIG. 3 is a front view of the automatic warehouse.

FIG. 4 is a side view of the access device.

FIG. 5 is a front view showing a conventional automatic warehouse.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 shelf 2 storage part 5 fixed path 10 access device 16 access device 26 current collector 26b current collector 28 detector 28b detector 30 floor rail 31 upper plate 32 web 33 lower plate 34 mounting portion 35 mounting portion 36 connecting portion 40 Floor rail support device 55 Power supply unit 57 Spacer member 59 Rail section 60 Device to be detected 62 Detection plate

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B65G 1/00-1/14

Claims (2)

(57) [Claims] 1. An automatic warehouse comprising: a shelf having a plurality of storage sections formed in a vertical direction and a horizontal direction; and a loading / unloading device supported and guided by a floor rail and capable of running on a fixed path in front of the shelf. The floor rail has a dovetail-shaped mounting portion which is open laterally on its side surface, and is integrally formed. A power supply unit to the access device is mounted on the mounting portion on the side surface of the floor rail, An automatic warehouse, wherein a current collector slidably contacting the power supply unit is provided below the access device. 2. An automatic warehouse comprising: a shelf having a plurality of storage sections formed in a vertical direction and a horizontal direction; and a loading / unloading device which is supported and guided by a floor rail and can travel on a fixed path in front of the shelf. The floor rail is formed integrally with a dovetail-shaped mounting portion which is open on both sides thereof, and a power supply unit for the access device is provided at a mounting portion on one side surface of the floor rail. And a detection device for traveling control is mounted on a mounting portion on the other side, and a current collector slidably in contact with the power supply unit and a detection device capable of detecting the detection device below the access device. An automatic warehouse characterized by the following.