| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an injection molding machine that decreases the generated noise from a contact part of a pulley and a timing belt, and is excellent in silence. <P>SOLUTION: In the injection molding machine, a wall-like member is provided to cover the periphery of a drive pulley between a motor bracket 6 and a bearing holder 8b or the bearing holder 8b is provided to cover the periphery of the drive pulley in the motor bracket 6, in a driving device 1 in which the pulley and the timing belt are used for a transmission part of the driving force, a motor 3 that is a driving source is fixed to the motor bracket 6, the drive pulley is fixed to a motor shaft, the end of the drive pulley or the end of the motor shaft is rotatably supported by a bearing; and an outer ring of the bearing is supported by the bearing holder 8b. <P>COPYRIGHT: (C)2012,JPO&INPIT |
