| 摘要 |
PROBLEM TO BE SOLVED: To reduce the height of a device.SOLUTION: A powder conveying device includes: a conveyance path through which the mixture of first powder and second powder having magnetism is conveyed, and has an enlarged part where the width of the path is enlarged; a supply port that is provided above the enlarged part and through which the first powder is supplied to the conveyance path; and a magnetic member that is provided inside the enlarged part to be partially located below the powder surface of the mixture in the conveyance path, has a magnetic force exertion area in which the magnetic force is exerted above the powder surface, rotates while holding the mixture in the conveyance path on the outer periphery thereof with the magnetic force exertion area when the mixture is increased beyond the preset height, and conveys the mixture to the supply port by the rotation to close the supply port with the mixture. |
