Patent ID: 6684489
Filing Date: 2004-02-03
Classification: B21K,B23P,H02K,Y10T

Abstract:
An apparatus for assembling a stator core, said stator core having a plurality of segmented cores, each of said segmented cores having an arcuate yoke portion, a pole portion extending diametrically inwards from said yoke portion, and a tooth portion on a diametrically inner end of said pole portion, said yoke portion having a projection and a groove on circumferential one end and the other end, respectively, thereof, said segmented cores being assembled to form a stator core by circumferentially connecting said segmented cores by fitting a projection in one of adjoining segmented cores into a groove in the other of said adjoining segmented cores, said apparatus comprising:a bed; a movable plate which is provided above said bed so as to be movable up and down; a plurality of jigs for holding said plurality of segmented cores radially disposed on said bed so as to be radially movable; and cam means downwardly provided on a lower surface of said movable plate so as to push each of said plurality of jigs radially inwards in synchronization with a downward movement of said movable plate, wherein said downward movement of said movable plate is in a direction perpendicular to a direction in which each of said jigs is pushed by said cam means.