| 摘要 |
PROBLEM TO BE SOLVED: To provide a powder supply device which achieves good quantitative capability of a powder supply amount, enables easy adjustment of the supply amount, is manufactured at low costs, and handles powders having a wide variety of physical properties.SOLUTION: A powder supply device 1 comprises: a hopper 2 having a powder inlet port 21 and a powder discharge port 22 oriented to the lower side; a cylindrical powder conduit 3 which is erected below the powder discharge port 22 so as to rotate in a circumferential direction and has an inner hole; an extrusion body 4 which is provided so as not to contact with a lower end part of the powder conduit 3; and a driving device which rotates the powder conduit 3. A center axis H of the inner hole of the powder conduit 3 is offset from a center axis C of the powder conduit 3.SELECTED DRAWING: Figure 2 |
