JPH07187337A - Laterally rotatable shelf device - Google Patents

Abstract

PURPOSE:To downsize and simplify a device, and stabilize support of an article at nonmoving time by levitating article support bodies from a floor surface by blowing off air downward from air units, and moving an article support body group by actuating driving devices. CONSTITUTION:An endless chain 10 is arranged on a floor 1, and plural article support bodies 20 capable of landing on the floor are arranged in the lengthwise direction of this chain 10. Levitating air units 25, guide bodies 29 opposed to the chain 10 from one side of the inside or outside and moving driving devices 30 and 31 opposed from the other side, are provided in the respective article support bodies 20. The driving devices 30 and 31 are composed of rotary driving parts 32 installed on the article support bodies 20 and sprockets 34 which interlock with the rotary driving parts and engage with the chain 10, and an air supply device 40 to the respective air units 25 is provided. The article support bodies 20 land on the floor and are stably supported at nonmoving time, and since they levitate from the floor at moving time, friction is not caused, so that driving force of the driving devices can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention accommodates, for example, a plurality of roll-shaped objects in a vertical direction and, if necessary, allows a desired roll-shaped material to be positioned in a loading / unloading section and discharged, and by a reverse action. The present invention relates to a horizontally rotating shelving device that can be stored.

[0002]

2. Description of the Related Art Conventionally, as a lateral rotary shelving device of this type, a structure disclosed in, for example, Japanese Patent Laid-Open No. 5-43019 has been provided. This conventional configuration is a long frame-shaped base,
An inner side support device and an outer side support device, each consisting of a group of idler rollers, are arranged endlessly, a plurality of article supports are placed between these support devices, and a drive device interlocking with each article support is provided. It is provided. The drive device is composed of a plurality of sprockets located below the inner support device, a chain stretched between these sprockets, and a motor linked to at least one of the sprockets,
The chain and each article support are connected by a connecting member.

According to this conventional configuration, the chain is moved via the sprocket by the operation of the motor,
An article support group connected to this chain via a connecting member can be placed between both support devices and moved on an endless transport path. Therefore, by placing the intended article support member facing the loading / unloading section, the loading / unloading of the article can be performed by, for example, a forklift.

[0004]

According to the above-mentioned conventional type, by disposing the inner side supporting device and the outer side supporting device composed of the idler roller group on the floor, the entire structure including the bulk thereof is large and complicated. Moreover, the article support placed between the supporting devices has a problem in stability. Further, since the article support group moves on the inner and outer idler roller groups, large friction is generated, and a motor having a large driving force must be adopted.

The object of the present invention is to reduce the size and simplification of the whole, including the bulk, to stabilize the article support when not moving, and to reduce the driving force of the driving device for moving. The point is to provide a lateral rotation type shelf device.

[0006]

In order to achieve the above object, the horizontal rotary shelving device of the first aspect of the present invention is provided with an endless engaged body on the floor and extends along the length direction of the engaged body. , Arranging a plurality of article supports capable of landing, each of the article supports having an air unit for levitation, a guide body facing the engaged body from one of inside and outside, and a drive for movement facing the other And a driving device attached to the article support, and an engaging ring body that is interlocked with the rotational driving part and engages with the engaged body. The air supply device is provided.

Further, in the horizontal rotary shelving device according to the second aspect of the present invention, an endless engaged member is provided on the floor, and a plurality of article supports capable of landing are arranged along the length direction of the engaged member. , Each article support is provided with a levitation air unit and a guide body facing the engaged body from one of inside and outside, and front and rear article supports are connected via a connecting rod, and at least one unit is provided. The article support body is provided with a drive device for movement, and the drive device is attached to the rotation drive part attached to the article support body and is engaged with the engaged body from the other inside or outside of the engaged body. The air supply device is provided for each air unit.

The horizontal rotary shelving device according to the third aspect of the present invention is, in the configuration of the first or second aspect, provided with a pair of drive devices in the moving direction. Further, in the horizontal rotary shelving device of the fourth invention, in the configuration according to any one of the first to third inventions, the engaged body is a chain formed of a link and a coupling body, and the coupling body is long in a vertical direction. And the engaging ring is formed by a sprocket.

In addition, in the horizontal rotary shelving device of the fifth aspect of the present invention, in any one of the first to fourth aspects of the invention, an air supply device is provided on each of the article supports, and an air receiving pipe is provided between the air receiving pipes. And an air supply pipe having a rotary joint, and a relay hose communicating at least one air receiving pipe with the rotary joint.

[0010]

According to the structure of the first invention described above, in the lateral rotation type shelving device, each article support is landed on the floor, and the engaging wheel body of the drive device that is integrally lowered is the engaged member. Is engaged with. In this state, by supplying air to each air unit by the air supply device, air can be blown downward from each air unit, and each article support can be floated from the floor.

After the article supports are thus floated, the drive device is operated to move the article support group. The movement of the article support body group can be performed by forcibly rotating the engagement ring body engaged with the engaged body by the rotation drive unit.
At that time, the guide body comes into contact with the engaged body from one of the inside and the outside, so that the engaged state of the engaging ring body with the engaged body from the other can be maintained. The movement of the article support group can be stopped with the target article support facing the target position. Then, by stopping the air supply, the article support can be lowered and landed on the floor.

According to the above-mentioned configuration of the second invention,
By forcibly moving at least one article support body by the drive device, the remaining article support bodies can be moved in a train shape by pushing and pulling force via the connecting rod.

According to the configuration of the third invention described above, a large driving force can be obtained by the pair of driving devices, and, for example, one of the driving devices is a forward driving device and the other is a backward driving device. It can be used properly for forward and reverse movements of the support group.

Further, according to the above-mentioned fourth aspect of the present invention, when each article support is landed on the floor, the sprocket that is integrally lowered falls on the chain within the range of the longitudinal length of the connecting body. Can be engaged. When each article support is floated, the integrally raised sprocket is positioned within the range of the length of the connecting body in the vertical direction, and thus the sprocket can be maintained in engagement with the chain.

Further, according to the above fifth aspect of the invention, the air is supplied from the air supply pipe to the respective air units by the air supply device through the rotary joint and the relay hose. Flowing through the air receiving pipes and then through all the remaining air receiving pipes via the connecting hoses allows for equalization through these air receiving pipes. Furthermore, when the article support group moves, the rotary joint rotates with respect to the air supply pipe, so that the air supply state can be maintained.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 6, a chain 10, which is an example of an engaged body, is arranged on the floor 1 in an oval shape and endlessly. The chain 10 is configured by connecting the outer link 11 and the inner link 12 with a connecting pin (connecting body) 13 and externally fitting a roller 14 to the connecting pin 13 so that the connecting pin 13 is oriented vertically. It is arranged. At that time, the connecting pin 13 and the roller 14 are made long so as to allow the floating amount (described later) of the article support.

The chains 10 are fixed to the floor 1 at appropriate intervals in the lengthwise direction of the rectangular plate-shaped base 2.
The base 2 is fixed to the floor 1 by the anchor 3, and the connecting plate portion 11A integrally projected from the outermost outer link 11 is connected to the base 2 by the bolt 4 or the like.

A plurality of article supports 20 (7 in this embodiment) are arranged along the length of the chain 10. These article supports 20 are circular tables 21 for supporting articles.
And a frame member 22 attached to the lower surface of the table 21. The frame member 22 is arranged so as to avoid various devices described later.

An air unit 25 for levitation is provided on each article support 20. Ie air unit 25
Is the mounting frame 23 on the lower surface of the table 21 at a total of three locations, namely, two locations facing the chain 10 from the outside of the loop (one of inside and outside) and one location facing from the inside of the loop (the other of the inside and outside). It is arranged through. Each air unit 25 is composed of a main body 26 in the shape of a ceiling and fixed to the mounting frame 23 side, a diaphragm 27 arranged in the main body 26, and the like. Body 26 here
Is configured to be able to land on the floor 1 via its lower surface.

Further, each article support 20 has a chain 10
Guide body 29 facing from outside (one of inside and outside) of the loop
Is provided. A pair of the guide bodies 29 are provided on the side surface of the mounting frame 23 at a predetermined interval, and are configured to be capable of abutting against the group of rollers 14 from the outside.

Further, each article support 20 is provided with a pair of driving devices for movement in the movement direction. That is, the forward drive device 30 and the backward drive device 31 are arranged on each article support 20 at intervals in the moving direction. These drive devices 30 and 31 include a rotary drive unit (a motor with a speed reducer) 32 attached to the lower surface of the table 21 inside the loop of the chain 10 (the other inside and outside), and a downward drive unit from the rotary drive unit 32. An output shaft 33 and a sprocket (an example of an engagement ring) 34 that is attached to the output shaft 33 and engages with the chain 10 from the inside of the loop (the other of the inside and the outside).

As shown in FIGS. 1 to 3 and 7, an air supply device 40 for each air unit 25 is provided, and this air supply device 40 is provided with an air receiving pipe 41 standing from each article support 20.
And a connecting hose that connects the adjacent air receiving pipes 41 to each other.
42, an air supply pipe 44 having a rotary joint 43 at the top and standing upright from the floor 1 in the loop, a relay hose 45 that connects one air receiving pipe 41 to the rotary joint 43, and the like. The lower end of the air receiving pipe 41 communicates with each air unit 25 via a distribution hose or the like.

The drive / stop of the drive devices 30 and 31 and the operation of other parts are controlled by the control device 47. A receiver 48 is arranged at one end or both ends in the longitudinal direction, and the receiver 48 is connected to the controller 47.

The horizontal rotary shelving device 50 having the above-mentioned configuration is
For example, as shown in FIG. 8, a plurality of warehouses 51 are arranged side by side, and at that time, a work space 52 is formed so as to face the juxtaposed row, and a portion facing this work space 52 is a storage section 53.
Is formed. The loading / unloading of the roll-shaped material (article) 54 with respect to the article support 20 is performed by, for example, a clamp type forklift (an example of a work vehicle) 55. Here, the forklift 55 is provided with a remote switch 56 for giving a control signal to the receiving device 48.

Next, the work of the above embodiment will be described. The horizontally rotating shelving device 50 can be closely arranged in the warehouse 51 and can form a small work space 52 facing the juxtaposed row. At this time, in the lateral rotary shelving device 50, as shown in FIG. 4, each article support 20 is landed on the floor 1 via the guide body 29, and the sprockets of the drive devices 30, 31 are integrally lowered. 34 is
Within the range of the length of the roller 14 in the vertical direction, the roller 14 is engaged with the chain 10, that is, the chain 10.

When the horizontal rotary shelving device 50 thus arranged is to be unloaded, the worker operates the remote switch 56 while the forklift 55 is traveling in the work space 52 in the warehouse 51. A control signal is given to the receiving device 48 of the horizontal rotary shelving device 50.

As a result, according to an instruction from the control device 47 of the intended horizontal rotary shelving device 50, air is first supplied to each air unit 25 by the air supply device 40. That is, the air from the air supply pipe 44 is supplied to the rotary joint 43 and the relay hose.
It is flowed to one air receiving pipe 41 via 45 and
All the remaining air receiving pipes 41 are made to flow through the connecting hose 42, and then supplied to the air unit 25 from these air receiving pipes 41.

As a result, in each air unit 25, air is blown downward from the portion of the diaphragm 27, whereby each article support 20 is floated above the floor 1. At that time, the sprockets 34 of the driving devices 30 and 31 are lifted together, but this is within the range of the length of the roller 14 in the vertical direction, and as shown in FIG. The engaged state of is maintained.

After the article supports 20 are floated as described above, the forward drive device is instructed by the controller 47.
30 or the return drive device 31 can be actuated to move the article support 20 group forward or backward. Where the article support 20
The movement of the group starts the rotation drive unit 32, forcibly rotates the sprocket 34 via the output shaft 33, and
This can be done by engaging and rotating 34 with the chain 10. At this time, the guide body 29 comes into contact with the chain 10 from the outside (one side) of the loop, so that the engagement state from the inside (the other side) of the loop of the sprocket 34 to the chain 10 is maintained. When the group of article supports 20 moves, the rotary joint 43 rotates with respect to the air supply pipe 44, so that the air supply state is maintained.

Such movement of the group of article supports 20 is performed by placing the desired roll-shaped article 54 in the vertical direction.
20 is stopped facing the loading / unloading section 53. Then, by stopping the air supply by the air supply device 40, the article support 20
Descends and is landed on the floor 1 via the main body 26. An accumulator tank or the like is provided on the side of the air supply device 40 in order to carry out the landing by the descent without impact. After that, the operator can operate the horizontal rotary shelving device 50 without getting off the forklift 55, and can load and unload the roll-shaped object 54 with respect to the article support 20.

9 to 11 show another embodiment of the present invention.
That is, the front and rear article supports 20 are connected via the connecting rod 60. The connecting rod 60 is composed of a link plate and a rod, and is connected to the table 21 via a vertical pin 61 so as to be relatively rotatable. Then, drive devices 30 and 31 for movement are provided on one article support 20, and the remaining article supports 20 are drive devices.
The format does not have 30 and 31. Here, for the remaining article support 20, the inside of the loop with respect to the chain 10 (the other)
A guide body 62 facing each other is provided.

According to this alternative embodiment, the drives 30, 31
By moving one article support body 20 by means of the above, the remaining article support bodies 20 are moved in a train shape by the pushing and pulling force via the connecting rod 60. At this time, the remaining article supports 20 are guided by the guide bodies 29 and 62 facing the chain 10 from both sides, and can be moved without shifting. The driving devices 30 and 31 may be provided on a plurality of article supports 20 at predetermined intervals, and in this case, it is suitable for a type in which a large number of article supports 20 are connected by a connecting rod 60.

In both of the above-mentioned embodiments, the chain 10 is shown as the engaged body and the sprocket 34 is shown as the engaging ring body, but this is a rack as the engaged body and a gear (pinion) as the engaging ring body. May be used.

In both of the above embodiments, the body 26 of the air unit 25 is used for landing, but this may be landed through another member such as the frame member 22. In both of the above examples,
The guide body 29 is opposed to the chain 10 from one of the inside and the outside and the drive devices 30 and 31 are opposed to the other, but the facing (arrangement) directions may be reversed.

In both of the above embodiments, the air supply pipe 44 is connected to the floor 1
Although it is erected from the above, this may be a form hung from the ceiling side. In both of the above embodiments, the article support 20 is provided with two drive devices, the forward drive device 30 and the backward drive device 31, but in the first and second inventions, the forward and reverse drive types are used. Alternatively, one drive type drive may be provided.

In both of the above embodiments, the circular table 21 is shown as the article support of the article support 35, but it may be a polygonal table or the like. Moreover, without providing the table 21, the air members 25 are integrated by a frame member 22 or the like,
Then, the article may be placed on the frame member 22 or the like to be supported.

[0037]

According to the first aspect of the present invention having the above-described structure, by making the article support a landing type, it is possible to miniaturize and simplify the whole including the bulk and to stabilize the article support when not moving. Can be made. Since the article support during movement is floating from the floor, friction does not occur, and therefore the driving device for movement can reduce the driving force. Further, when a part of the article support is broken, the article support is removed from the moving path so that the remaining article supports can be used without any trouble.

Further, according to the second aspect of the present invention having the above-mentioned structure, by forcibly moving at least one article support by the driving device, the remaining article supports can be moved in a train shape by the pushing and pulling force. The number of devices can be reduced.

According to the third invention of the above construction, a large driving force can be obtained by the pair of driving devices, and both driving devices can be used for forward and backward movement.

Further, according to the fourth invention of the above-mentioned structure, the sprocket can be always engaged with the chain and the engaged state can be maintained irrespective of the landing or floating of each article support.

Moreover, according to the fifth aspect of the invention having the above-described structure, the air can be supplied to each air unit at all times regardless of the movement or stop of the article support group.

[Brief description of drawings]

FIG. 1 is a plan view of a horizontally rotating shelving device according to an embodiment of the present invention.

FIG. 2 is a plan view of a main part of the horizontal rotary shelving device.

FIG. 3 is a vertical cross-sectional front view of a main part of the horizontal rotary shelving device.

FIG. 4 is a vertical cross-sectional front view of a drive unit when the horizontal rotary shelving device is landing.

FIG. 5 is a vertical cross-sectional front view of a drive unit when the horizontal rotary shelving device is floating.

FIG. 6 is a plan view of a main part showing chain attachment of the horizontal rotary shelving device.

FIG. 7 is a perspective view showing an air supply device of the horizontal rotary shelving device.

FIG. 8 is a schematic plan view showing a state of juxtaposition in the same warehouse.

FIG. 9 is a plan view of a horizontal rotary shelving device according to another embodiment of the present invention.

FIG. 10 is a plan view of a main part of the horizontal rotary shelving device.

FIG. 11 is a vertical cross-sectional front view of a main part of the horizontal rotary shelving device.

[Explanation of symbols]

 1 Floor 10 Chain (engaged body) 11 Outer link 12 Inner link 13 Connecting pin (connecting body) 20 Article support 21 Table 22 Frame member 25 Air unit 26 Main body 27 Diaphragm 29 Guide body 30 Forward drive 31 Forward drive Device 32 Rotating drive unit 34 Sprocket (engaging wheel) 40 Air supply device 41 Air receiving pipe 42 Communication hose 43 Rotating joint 44 Air supply pipe 45 Relay hose 50 Horizontal rotary shelving device 54 Rolled material (article) 60 Connecting rod 61 Vertical pin 62 Guide body

Claims (5)

[Claims] 1. An endless engaged body is provided on a floor, and a plurality of article supporters capable of landing are arranged along the length direction of the engaged body. An air unit,
The engaged body is provided with a guide body facing from one of the inside and the outside, and a drive device for movement facing from the other side, and the drive device is attached to the article support body, and the rotation drive section is interlocked with the rotation drive section. The horizontal rotary shelving device is characterized by including an engaging ring body that engages with the engaged body and is provided with an air supply device for each air unit. 2. An endless engaged body is provided on a floor, and a plurality of article supporters capable of landing are arranged along the length direction of the engaged body. An air unit,
A guide body facing the engaged body from one of the inside and the outside is provided, front and rear article supports are connected via a connecting rod, and at least one article support is provided with a drive device for movement. The drive device is composed of a rotary drive unit attached to the article support, and an engagement ring member that is interlocked with the rotary drive unit and engages with the engaged body from the other side, and the air to each air unit is A lateral rotation type shelving device characterized by being provided with a supply device. 3. The lateral rotation type shelving device according to claim 1, wherein the driving device is provided in a pair in the moving direction. 4. The engaged body comprises a chain consisting of a link and a connecting body, the connecting body is formed to be long in a vertical direction, and the engaging ring body is formed of a sprocket. The horizontal rotary shelving device according to any one of 3 to 3. 5. An air supply device comprising an air receiving pipe provided on each article support, a connecting hose communicating between the air receiving pipes, an air supply pipe having a rotary joint, and at least one air receiving pipe. The horizontal rotary shelving device according to any one of claims 1 to 4, wherein the horizontal rotary shelving device comprises a relay hose communicating with the rotary joint.