Parts arranger

Details Parts arranger Parts arranger

1997-05-14

1998-10-27

Valenza, Joseph E.

Conveyors: power-driven

Conveyor for changing attitude of item relative to conveyed...

By conveying randomly faced items and turning items to...

198444, 221167, 221 13, B65G 4724

Patent

active

058266976

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The present invention relates to a parts arranger which arranges parts to enable successive feeding in assembly works or preparations for machining works.


BACKGROUND ART

There is known a parts arranger which is composed, as disclosed by Japanese Patent Application Laid-Open No. 57-99823, of a rotating disk having a large number of accommodating holes formed so as to correspond to a shape of parts at intervals in a circumferential direction, a driving source for rotatingly driving the rotating disk in a condition where it is inclined at a predetermined angle relative to a horizontal plane, and a circumference guide which is disposed around an outer circumference of the rotating disk and close to an outer circumference of the rotating disk, and has an inner circumferential surface substantially perpendicular to a surface of the rotating disk.
When the rotating disk is continuously rotated in a direction by the driving source and parts are disposed on the rotating disk in the parts arranger having the configuration described above, the parts are rolled and the rotating disk gives centrifugal forces to the rolling parts, whereby the parts are collected in the vicinity of the circumference guide and moved circularly along the inner circumferential surface of the circumference guide. The parts which are moved circularly are tilted and their directions are changed due to frictional contact with the surface of the rotating disk. When attitudes of the parts are matched with directions of the large number of accommodating holes, the parts fit into the accommodating holes by their own weights and are arranged accordingly.
The known parts arranger which has the configuration described above is practically usable with no substantial problem when the parts have a relatively large shape and may not be accommodated in a restricted direction. When parts such as fine screws are to be arranged vertically with their heads kept upward, for example, it is extremely difficult to arrange the screws with the parts arranger since the screws have centers of gravity in their heads in most cases. For stable arranging and accommodating such screws, it is necessary to rotate the rotating disk a large number of turns so as to extremely increase occasions when the screws fit into the accommodating holes, thereby posing problems to require a long time for arranging the parts, prolong a time for the entire assembling or machining work and enhance a cost for the work.


DISCLOSURE OF THE INVENTION

A primary object of the present invention is to solve these problems, or to provide a parts arranger which is capable of performing parts arrangement in a short time.
For accomplishing this object, the parts arranger according to the present invention comprises a rotating disk which has a plurality of parts accommodating holes formed in a circumferential row or a plurality of concentric rows and is supported in a condition where it is inclined at a predetermined angle relative to a horizontal plane, and a circumference guide which is disposed along an outer circumference of the rotating disk and substantially perpendicular to the rotating disk, and is characterized in that the parts arranger further comprises a driving source which rotates the rotating disk at a predetermined angle in a normal direction and sequentially rotates it at a predetermined angle in a reverse direction.
The parts arranger which has the configuration described above is capable of springing up parts and incessantly changing attitudes of the parts on the rotating disk by driving the rotating disk in both the normal and reverse directions at the predetermined angles with the driving source. Accordingly, the parts arranger according to the present invention increases occasions when parts fit into the accommodating holes as compared with the case where the rotating disk is rotated only in one direction, thereby making it possible to arrange parts in a shorter time.


BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a side view illustrating a first embodim

REFERENCES:
patent: 2924355 (1960-02-01), Birkett
patent: 3407964 (1968-10-01), Wysocki et al.
patent: 3710920 (1973-01-01), Sterling
patent: 4154329 (1979-05-01), Hildenbrand
patent: 4947982 (1990-08-01), Miyaki

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