Automatic part loader unit for multi-cavity rotor die and method

Details Automatic part loader unit for multi-cavity rotor die and method Automatic part loader unit for multi-cavity rotor die and method

1980-01-28

1981-06-09

Baldwin, Robert D.

Metal founding

Process

Shaping liquid metal against a forming surface

164303, 164332, B22D 1700, B22D 1904

Patent

active

042718953

ABSTRACT:
An automatic part loading unit for loading various diameter and stack height sizes of rotor assemblies into the compensator sleeves of multiple cavity rotor dies for the subsequent casting of the conductor bars and end rings of squirrel cage electrical motor rotors. The loading unit comprises a magazine section having a plurality of inclined guide tracks on which the rotor preforms are stacked, and an escapement mechanism which permits one rotor preform at a time to roll from each of the guide tracks in the magazine section onto respective inclined guide tracks leading to the breech openings of the die cavities. The guide tracks are laterally adjustable so as to accommodate rotor preforms of various stack height. As the rotor preforms roll down the inclined guide track toward the die cavities, they are decelerated by means of pivotally mounted, counterweighted arms which are contacted by and then swung out of the way by the rotors. The rotors are magnetically held in the proper position within the compensator sleeves, and photoelectric sensors provide an indication of whether or not proper positioning has been achieved. The compensator sleeves are closed and molten aluminum is cast around a portion of the rotor preforms to form the end rings and conductor bars.

REFERENCES:
patent: 3608622 (1971-09-01), Bachelier
patent: 4064928 (1977-12-01), Wunder

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