| 主权项 |
1. A drive mechanism of an injection molding machine comprising:
a movable plate configured to advance and retreat along a guide member; a rear plate facing the movable plate; a ball screw including a ball screw nut and a ball screw shaft; a driving motor configured to drive the ball screw shaft through a coupling member; and a motor fixing member to which the driving motor is fixed, wherein the ball screw nut is fixed to the movable plate, the ball screw shaft is rotatably supported by the rear plate so as not to be movable in an axial direction, the motor fixing member has an adjustable relative position with respect to the rear plate, the drive mechanism further comprises a position adjustment part configured to adjust the relative position between the rear plate and the motor fixing member, and the position adjustment part includes:
a first screw hole extending in a first direction of the injection molding machine;a second screw hole extending in a second direction of the injection molding machine, the second direction being perpendicular to the first direction,a first bolt threadably engaged with a thread of the first screw hole,a second bolt threadably engaged with a thread of the second screw hole,a first abutting part that abuts on the first bolt, said first abutting part being provided on the rear plate; anda second abutting part that abuts on the second bolt, said second abutting part being provided on one of the motor fixing member and a motor-fixing-member supporting member that supports the motor fixing member. |
