1. A component supply device comprising:a storage section which stores multiple components;
a mounting section to which the storage section is mounted;
a component support section which supports, in a scattered state, multiple components which are discharged from an opening of the storage section which is in a state of being mounted to the mounting section;
a component support member moving device which moves the component support section from forward of the storage section toward a bottom of the storage section so that a non-pickup target component remaining on the component support section is collected into a component collecting container; and
a component return device that lifts the component collecting container and returns the non-pickup target component collected in the component collecting container to the storage section,
wherein the storage section is attachable and detachable in relation to the mounting section.