A chuck device includes a plurality of types of chuck pawls clamping a component, a chuck pawl switching mechanism switching the chuck pawls in use among the plurality of types of chuck pawls in accordance with the type of the component to be clamped, and a driving mechanism allowing the chuck pawl switched by the chuck pawl switching mechanism to be put into a clamping operation. The chuck pawl switching mechanism is configured to use a cylindrical cam, the plurality of types of chuck pawls are placed at predetermined intervals around the cylindrical cam, a cam follower disposed in each of the chuck pawls is fitted into a cam groove in an outer peripheral surface of the cylindrical cam, and the respective chuck pawls are moved upward and downward independently of each other by the cylindrical cam being rotated.