| 摘要 |
<p>A powder quantitative supply device is composed of a housing with a control motor, a horizontal support plate which is fixed to the housing and has a discharge hole, a container which is fixed to the upper end of the housing with a predetermined space over the horizontal support plate and has an opening for falling of powder at a part of a bottom wall, a drive motor provided vertically on the upper cover of the container, a vertical shaft which is connected to the output shaft of the drive motor and has scraping and sending plates rotating in a horizontal direction with respect to the inner surface of the bottom wall of the container at its lower end, and a disk-like inner valve which is attached in a predetermined space, rotates by the driving force of the control motor, and has at least one quantitative intake hole communicated selectively with the opening at the bottom wall and the discharge hole.</p> |
