POWDER SUPPLY DEVICE

摘要

Provided is a powder supply device that can stably supply powder from a main hopper to a powder supply means including a sub-hopper without requiring component replacement and the like. The powder supply device is provided with: a first piping that guides powder accumulated in a main hopper downward; a second piping that is connected to the first piping at a lower end portion thereof while intersecting with the first piping, and that guides the powder guided by the first piping to a sub-hopper; and a switching valve that pressure-feeds the powder temporarily deposited while forming an angle of repose at an intersecting portion of the first piping and the second piping, to the sub-hopper.

主权项

1. A powder supply device that supplies powder accumulated in a first hopper to a second hopper,
the device comprising: a first piping that guides the powder accumulated in the first hopper downward; a second piping that is connected to the first piping at a lower end portion thereof while intersecting with the first piping, and that guides the powder guided by the first piping to the second hopper; and a pressure-feeding unit that pressure-feeds the powder which is temporarily deposited while forming an angle of repose at an intersecting, portion of the first piping and the second piping, to the second hopper.