Conveyors – chutes – skids – guides – and ways – Chutes
Patent
1990-05-16
1993-04-27
Valenza, Joseph E.
Conveyors, chutes, skids, guides, and ways
Chutes
221242, B65G 1100
Patent
active
052053903
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a stock separating apparatus which separates a large number of stocks that drop successively from a stock feed source through a chute and feeds them one by one to a forging press, for example. More particularly, the present invention relates to a stock separating apparatus wherein an attachment which is replaceable in accordance with the size of stocks is provided at the lower end of the chute.
BACKGROUND ART OF THE INVENTION
To feed bar stocks to, for example, a forging press, a stock separating apparatus, which separates stocks that drop successively from a stock feed source through a chute and feeds them one by one into the forging press, has heretofore been used.
The above-described conventional stock separating apparatus has a tubular chute a, as shown in FIG. 1, and a separating member, which separates stocks b that drop successively through the chute a and feeds them one by one to, for example, a forging press, is provided at the lower end of the chute a. It should be noted that c denotes magnets.
In the conventional stock separating apparatus, however, when the size of stocks which are to be fed to a forging press or the like changes, if the chute a is not replaced with another which matches to the size of stocks to be fed, the positioning accuracy of stocks b to be fed is deteriorated due to, for example, a play between the chute a and the stocks b.
Accordingly, the conventional apparatus necessitates an operation of replacing the chute a every time the size of stocks b changes, and therefore requires a large number of man-hours for the replacing operation. In addition, since it is necessary to prepare a plurality of chutes which correspond to various sizes of stocks b, the conventional apparatus is uneconomical.
SUMMARY OF THE INVENTION
In view of the above-described circumstances, it is an object of the present invention to provide a stock separating apparatus which is capable of coping with a change of stocks having various sizes with ease and within a short time simply by replacing an attachment that is provided at the lower end of a chute.
To attain the above-described object, according to a first mode of the present invention, there is provided a stock separating apparatus which separates stocks that drop successively from a stock feed source through a chute and feeds them one by one to a working machine, for example, a forging press, wherein the improvement comprises an attachment that is provided at the lower end of the chute, the attachment being replaceable with ease and within a short time in accordance with the size of stocks.
According to a second mode of the present invention, there is provided the stock separating apparatus according to the above-described first mode, wherein a circularly curved lower chute is provided at the lower end of the chute, the attachment being provided at the lower end of the lower chute.
According to a third mode of the present invention, there is provided the stock separating apparatus according to either one of the above-described first and second modes, wherein the attachment is detachably attached to an attachment holder which is horizontally pivotably attached to the apparatus body through a bracket.
According to a fourth mode of the present invention, there is provided the stock separating apparatus according to the above-described second mode, wherein the lower chute is pivotable upwardly about a hinge to replace the attachment.
The present invention involving the above-described modes has the following advantages:
Even if the size of stocks changes variously, stocks can be positioned with high accuracy simply by replacing the attachment. It is therefore possible to reduce by a large margin the time and man-hours that are needed for setup in comparison with the conventional apparatus in which the whole chute is replaced evey time stocks are changed.
Since it is only necessary to replace the attachment, the economical efficiency is also increased by a large margin in comparison
REFERENCES:
patent: 3057515 (1962-10-01), Loeser
patent: 3757998 (1973-09-01), Millies et al.
European Search Report, EP 89 91 0184, Jun. 18, 1991.
Ikenaka Masahiro
Tanaka Kunihiko
Kabushiki Kaisha Komatsu Seisakusho
Valenza Joseph E.
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