Component supply device

This component supply device is provided with: a rotor (30) provided with through-holes (31) through which a plurality of components pass in a row in the vertical direction; a component alignment unit (3) that has a rotor housing chamber (34) that houses the rotor (30) so as to be horizontally rotatable about a central axis (CX1) extending in the through-hole in the vertical direction, and that rotates the rotor by supplying air to the rotor housing chamber; a stirring unit (4) that has a stirring chamber (40) in which a component introduction port (41) that opens toward the through-hole is provided above the rotor, the stirring chamber (40) stirring the plurality of components and introducing the plurality of components into the through-hole from the component introduction port; and a component conveyance path (6) that conveys the plurality of components that have passed through the through-holes in a state in which the plurality of components are arranged in order in a row, and in the stirring unit (4), the