JP2981608B1 - Roller conveyor - Google Patents

Abstract

When a bypass line is required, one roller conveyor is divided into two parallel roller conveyors, and a second roller conveyor forms a bypass line. A plurality of rollers (1) supported in a cantilever manner.
1 and a second roller 21 having a plurality of rollers 21 supported in a cantilever manner from the side opposite to the side on which the rollers 11 of the first roller conveyor 1 are supported.
Roller conveyor 2 and the first roller conveyor 1
Roller 2 of the second roller conveyor 2 between the rollers 11
One can go back and forth.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller conveyor, and more particularly to a roller conveyor configured to divide one roller conveyor into two parallel roller conveyors.

[0002]

2. Description of the Related Art Japanese Patent Laid-Open Publication No. 3-106720 and Japanese Utility Model Laid-Open Publication No.
No. 4910 is known.

[0003] The prior art described in the above publication is described.
Provide at least two parallel conveyors on the gantry,
There is described a take-out conveyor in which casters for movement are attached to the lower part of the gantry so as to be able to move in a direction perpendicular to the direction of conveyance of the conveyor. In addition, actual Kaihei 2-1
FIG. 5 and FIG. 6 of Japanese Patent No. 24910 show partial enlarged views of an automatic warehouse in which a comb-shaped fork is moved forward and backward with respect to a comb-shaped roller conveyor.

[0004]

However, the above-mentioned prior art has the following problems.

That is, a take-out conveyor described in Japanese Patent Application Laid-Open No. 3-106720 discloses a take-out conveyor in which two parallel conveyors are integrated (in a state in which the mutual positional relationship is maintained) in a direction perpendicular to the conveying direction. , And is not configured to assemble two parallel conveyors into one conveyor. The comb-shaped fork body of the automatic warehouse described in Japanese Utility Model Laid-Open No. 2-124910 is configured to be able to advance and retreat with respect to a comb-shaped roller conveyor. The article cannot be transported using the transport surface as a transport surface.

Accordingly, an object of the present invention is to provide a structure in which the rollers of the second roller conveyor can be advanced and retracted between the rollers of the first roller conveyor, so that when the bypass line becomes necessary, the first line can be used. An object of the present invention is to provide a roller conveyor in which two roller conveyors are divided into two parallel roller conveyors, and a bypass line can be formed by the second roller conveyor.

[0007]

SUMMARY OF THE INVENTION The present invention is directed to a first roller conveyor having a plurality of cantilevered rollers, and a side of the first roller conveyor opposite to the side on which the rollers are supported. And a second roller conveyor having a plurality of rollers supported in a cantilevered manner, wherein the rollers of the second roller conveyor can advance and retreat between the rollers of the first roller conveyor. And the first
The roller conveyor is a drive roller conveyor, and the second
Is obtained by achieving the above object by the roller conveyor to provide a roller conveyor, characterized in free roller conveyor der Rukoto.

The first transfer surface formed by the plurality of rollers of the first roller conveyor and the second transfer surface formed by the plurality of rollers of the second roller conveyor are substantially coplanar. , It is preferable that the second roller conveyor is advanced and retreated.

[0009]

[0010]

[0011]

Embodiments of the present invention will be described below.

FIG. 1 is a plan view showing a main part of an embodiment of the roller conveyor of the present invention, FIG. 2 is a schematic plan view showing an article packing apparatus using the roller conveyor shown in FIG. 1, and FIG. FIG. 2 is a side view for explaining a transport surface of the roller conveyor shown in FIG.

In these drawings, reference numeral 1 denotes a first roller conveyor having a plurality of rollers 11 supported in a cantilever manner, and reference numeral 2 denotes an opposite side of the first roller conveyor 1 on the side where the rollers 11 are supported. A second roller conveyor having a plurality of rollers 21 supported in a cantilever manner so that the rollers 21 of the second roller conveyor 2 can advance and retreat between the rollers 11 of the first roller conveyor 1. It is configured. In addition, the plurality of rollers 1 of the first roller conveyor 1
1 and the second conveying surface 22 formed by the plurality of rollers 21 of the second roller conveyor 2 is substantially coplanar with the second roller conveyor. 2 is configured to advance and retreat with respect to the first roller conveyor 1. In addition, an article G (not shown) on the upstream side of the first roller conveyor 1 is conveyed via the second roller conveyor 2, and the first article G is conveyed to the first roller conveyor 1 before the article G on the downstream side of the first roller conveyor 1. Is configured to be supplied to a device (re-entry conveyor) 3 provided on the downstream side of the roller conveyor 1. The first roller conveyor 1 is a drive roller conveyor, and the second roller conveyor 2 is a free roller conveyor.

To explain each part in the above embodiment, the first roller conveyor 1 is provided with a plurality of rollers 11 on a frame 13 fixedly installed on the left side in the conveying direction of the article G (indicated by an arrow). Are supported in a cantilever manner, and the first transport surface 12 is formed by a plane including a plurality of line segments formed by upper ends of the plurality of rollers 11. Further, each roller 11 of the first roller conveyor 1 is attached with a gap therebetween so that the rollers 21 of the second roller conveyor 2 can advance and retreat one by one between the respective (one by one) rollers 11. Have been. Reference numeral 14 denotes a stopper for stopping the articles G supplied to the first roller conveyor 1, and includes a roller 141, an elevating mechanism 14 for elevating and lowering the roller 141.
2 and so on. In addition, the roller 11 is attached to the frame 13.
Is not cantilevered, a roller supporting member (not shown) is cantilevered on the frame 13, and the roller 11 is supported on both ends on the roller supporting member so that the roller 11 is cantilevered. You may comprise. In addition, FIG.
Although not shown, the plurality (for example, eight) of the rollers 11 mounted in the range indicated by MR in FIG. 2 are motor rollers, and are mounted on the other downstream side. The plurality of rollers 11 are free rollers (FIG. 1)
Are all free rollers), the article G supplied to the first roller conveyor 1 is sequentially conveyed downstream by eight rollers (motor rollers) 11 on the upstream side, and When the article G on the side is stopped by the stopper 14, the eight rollers (motor rollers) 11 on the upstream side are stopped, and the first roller conveyor 1 is stopped. A take-out button (not shown) for operating (falling down) the stopper 14 is provided at a downstream portion of the first roller conveyor 1.

The second roller conveyor 2 is provided with an article G
A plurality of rollers 21 are supported in a cantilever manner on a frame 23 provided on the right side (the side opposite to the side on which the rollers 11 of the first roller conveyor 1 are supported) in the transport direction of the first roller conveyor 1. And a second plane formed by a plurality of line segments formed by upper ends of the plurality of rollers 21.
Is formed. Further, each roller 21 of the second roller conveyor 2 is attached with a gap between each (every one) roller 11 of the first roller conveyor 1 so that the rollers 21 can advance and retreat one by one. Have been. Although the second roller conveyor 2 is divided into two parts in the transport direction in consideration of workability, one second roller conveyor 2 or 3 is provided for the entire length of the first roller conveyor 1. More than one second roller conveyor 2
May be supported. It should be noted that the roller 21 is not supported by the frame 23 but is supported by a roller support member (not shown) on the frame 23 and the roller 21 is supported on both ends of the roller support member on the upper side of the roller support member. You may comprise so that it may be supported in a holding shape. Also, frame 2
Numeral 3 is attached to a moving table with casters (not shown), and moves the moving table in a direction perpendicular to the conveying direction of the articles G, so that the first conveying surface 12 of the first roller conveyor 1 is in contact with the first conveying surface 12. Second transport surface 2 of second roller conveyor 2
The second roller conveyor 2 moves forward and backward with respect to the first roller conveyor 1 in a state where the second roller conveyor 2 and the second roller conveyor 2 are substantially on the same plane. Reference numeral 24 denotes a handle attached to the frame 23. The rollers 21 are all free rollers.

The re-conveying conveyor 3 is disposed downstream of the first roller conveyor 1 in a direction orthogonal to the first roller conveyor 1, and the articles G taken out of the first roller conveyor 1 Re-entry station (not shown)
To be transported. In addition, re-stocking conveyor 3
Is provided with a hand scanner (not shown) for reading a barcode label attached to the article G.

Reference numeral 4 denotes an unloading conveyor which conveys the articles G taken out of an automatic warehouse (not shown) to the first roller conveyor 1. The first roller conveyor 1 is provided upstream of the first roller conveyor 1. It is arranged in a direction orthogonal to.

Next, the operation of the article packing apparatus using the roller conveyor of the above embodiment will be described. First,
The basic operation for unpacking articles G taken out of an automatic warehouse, for example, various articles stored in trays unified by a certain standard, will be described.
The article G conveyed to the upstream end of the first roller conveyor 1 is transferred to the first roller conveyor 1
Up to five items are stored at the picking position set on the upstream side of the stopper 14 of the roller conveyor 1 (when five items G have already been stored at the picking position, the downstream end of the unloading conveyor 4). Wait at).

When the article G arrives at the picking position of the first roller conveyor 1, picking is performed by the operator from the article G on the downstream side. When the picking operation is completed and the operator operates the take-out button, the stopper 14 is lowered, and the article G for which the picking operation is completed is transferred to the re-conveying conveyor 3 by being pushed out by the operator in the direction of the re-conveying conveyor 3. Is done.

When the article G on which the picking operation has been completed is transferred to the re-conveying conveyor 3, the barcode label attached to the article G is read by the hand scanner, and the reading completion button (not shown) is operated. The article G transferred to the re-stocking conveyor 3 is transported to the re-stocking station.

Incidentally, it is necessary to transfer the articles G on the upstream side of the first roller conveyor 1 to the re-conveying conveyor 3 before the articles G on the downstream side of the first roller conveyor 1, that is, a bypass line. When the need arises,
Mainly explaining the difference from the above basic operation,
1 and 2 are drawn out from the state shown by the solid line in FIGS. 1 and 2 to the state shown by the two-dot chain line, and one roller conveyor formed by the first roller conveyor 1 and the second roller conveyor 2 is formed. The roller conveyor is divided into two parallel roller conveyors, that is, a first roller conveyor 1 and a second roller conveyor 2, and a bypass line is formed by the second roller conveyor. At this time, in a state where the first transport surface 12 of the first roller conveyor 1 and the second transport surface 22 of the second roller conveyor 2 are substantially on the same plane, the first roller conveyor 2 Of the first transport surface 12 and the second
The transfer of the article G to and from the transfer surface 22 is smoothly performed. Thus, the article G located on the upstream side of the first roller conveyor 1 is transferred to the second roller conveyor 2 and conveyed via the second roller conveyor 2, and the stopper 14 of the first roller conveyor 1 Is re-transferred to the downstream portion of the first roller conveyor 1 to bypass the article G downstream of the first roller conveyor 1 further downstream.
Can be transferred to the re-conveying conveyor 3 provided on the downstream side. Note that the picking operation for the article G conveyed by bypass may be performed on the first roller conveyor 1 or on the second roller conveyor 2. Further, when the article G is conveyed by bypass, there is no need to lower the stopper 14, so there is no need to operate the takeout button. When the bypass line becomes unnecessary, the second roller conveyor 2 is moved from the state shown by the two-dot chain line to the state shown by the solid line in FIGS. The first roller conveyor 1 and the second roller conveyor 2 may form a single roller conveyor with the first roller conveyor 1 and the second roller conveyor 2 being pushed in a state in which the conveyor surface 22 is substantially on the same plane.

The embodiment of the present invention has been described above.
The roller conveyor of the present invention is not limited to these. For example, a gap may be provided so that one roller 21 of the second roller conveyor 2 can advance and retreat for every two rollers 11 of the first roller conveyor 1.

Further, all the rollers 11 of the first roller conveyor 1 may be driven.

[0024]

[0025]

Since the roller conveyor of the present invention is constructed as described above, when a bypass line is required, one roller conveyor is divided into two parallel roller conveyors, and A bypass line can be formed by the two roller conveyors.

[Brief description of the drawings]

FIG. 1 is a plan view showing a main part of one embodiment of a roller conveyor of the present invention.

FIG. 2 is a schematic plan view showing an article packing apparatus using the roller conveyor shown in FIG.

FIG. 3 is a side view for explaining a transport surface of the roller conveyor shown in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st roller conveyor 2 2nd roller conveyor 11 roller 12 1st conveyance surface 21 roller 22 2nd conveyance surface

Claims (2)

(57) [Claims] 1. A first roller conveyor having a plurality of rollers supported in a cantilever manner, and the first roller conveyor is supported in a cantilever manner from a side opposite to a side on which the rollers are supported. and a second roller conveyor having a plurality of rollers, the roller of the second roller conveyor are configured to be able to advance and retreat between the rollers of the first roller conveyor, said first roller Conveyor driven low
It is a La conveyor and the second roller conveyor is free
Roller conveyor, wherein the roller conveyor der Rukoto. 2. A first conveying surface formed by a plurality of rollers of a first roller conveyor and a second conveying surface formed by a plurality of rollers of a second roller conveyor are substantially coplanar. 2. The roller conveyor according to claim 1, wherein the second roller conveyor is moved forward and backward in the state described in (1).