Device for manufacturing motor
A device for manufacturing a motor is disclosed. The motors to be manufactured have a stator body including a stator of the motor, field cores that protrude from the inside surface of the stator body, pole pieces that extend from the field cores to cross with the field cores, coil receiving parts defined by a space facing the field cores, the pole pieces and the inside surface of the stator body, and coils retained in the coil receiving parts. The device has first jigs that extend in the longitudinal direction of the stator body and retain the pole pieces as well as a second jig that extends in the longitudinal direction of the stator body. The second jig has a pressing part corresponding to the arcuate shape of the pole pieces. The device further includes a pressing mechanism that presses the first jigs retaining the pole pieces away from the coil receiving parts, thereby bending the pole pieces away from the coil receiving parts.
1. A device for manufacturing a motor, the motor including a stator body that includes a stator of the motor, field cores that protrude from the inside surface of the stator body, pole pieces that extend from the field cores to cross with the field cores, coil receiving parts defined by a space facing the field cores, the pole pieces and the inside surface of the stator body, and coils retained in the coil receiving parts, comprising:
first jigs that extend in the longitudinal direction of the stator body and retain the pole pieces,
a second jig that extends in the longitudinal direction of the stator body and has a pressing part corresponding to the arcuate shape of the pole pieces and
a pressing mechanism that presses the first jigs retaining the pole pieces, away from the coil receiving parts, thereby bending the pole pieces away from the coil receiving parts, so that the tied coils is inserted into the coil receiving parts without interfering with the pole pieces, and also presses the second jig toward the coil receiving parts with the pressing part of the second jig held in contact with the pole pieces bent by the first jigs, thereby bending the pole pieces toward the coil receiving parts into an arcuate shape.
2. The device as defined in claim 1 , wherein at least one of the pole pieces is bent a smaller angle away from the associated coil receiving part than the other pole pieces.
3. The device as defined in claim 1 further comprising an air press machine that performs bending operation of first and second jigs.