A component mounting device comprising a component supply section and an exchange device configured to exchange an exchangeable element detachably installed in the component supply section of the component mounting device, the component supply section in which the exchangeable elements, each of which including at least a component container accommodating multiple components, are arranged in an arrangement direction, the exchange device comprising: an arrangement directional moving section configured to move with respect to the component mounting device (93, 94, 95) in the arrangement direction; an attachment/detachment directional moving section, being provided in the arrangement directional moving section, which is configured to move in an attachment/detachment direction of the exchangeable element; a holding mechanism, being provided in the attachment/detachment directional moving section, which is configured to hold the exchangeable element; a release mechanism, being provided in the attachment/detachment directional moving section, which is configured to release a lock section preventing detachment of the exchangeable element installed in the component supply section; characterized in that: a shared driving section, being provided in the attachment/detachment directional moving section, which is configured to operate the holding mechanism and the release mechanism, wherein the attachment/detachment directional moving section includes a direct operation member and an indirect operation member, wherein the direct operation member is directly driven by the shared driving section and linearly moves in the attachment/detachment direction is configured to perform one of a holding operation of the exchangeable element and a release operation of the lock section in addition to operating the indirect operation member, and the indirect operation member moves in a direction other than the attachment/detachment direction and is configured to perform the other of the holding operation of the exchangeable element and the release operation of the lock section. an arrangement directional moving section configured to move with respect to the component mounting device (93, 94, 95) in the arrangement direction; an attachment/detachment directional moving section, being provided in the arrangement directional moving section, which is configured to move in an attachment/detachment direction of the exchangeable element; a holding mechanism, being provided in the attachment/detachment directional moving section, which is configured to hold the exchangeable element; a release mechanism, being provided in the attachment/detachment directional moving section, which is configured to release a lock section preventing detachment of the exchangeable element installed in the component supply section; characterized in that: a shared driving section, being provided in the attachment/detachment directional moving section, which is configured to operate the holding mechanism and the release mechanism, wherein the attachment/detachment directional moving section includes a direct operation member and an indirect operation member, wherein the direct operation member is directly driven by the shared driving section and linearly moves in the attachment/detachment direction is configured to perform one of a holding operation of the exchangeable element and a release operation of the lock section in addition to operating the indirect operation member, and the indirect operation member moves in a direction other than the attachment/detachment direction and is configured to perform the other of the holding operation of the exchangeable element and the release operation of the lock section. a shared driving section, being provided in the attachment/detachment directional moving section, which is configured to operate the holding mechanism and the release mechanism, wherein the attachment/detachment directional moving section includes a direct operation member and an indirect operation member, wherein the direct operation member is directly driven by the shared driving section and linearly moves in the attachment/detachment direction is configured to perform one of a holding operation of the exchangeable element and a release operation of the lock section in addition to operating the indirect operation member, and the indirect operation member moves in a direction other than the attachment/detachment direction and is configured to perform the other of the holding operation of the exchangeable element and the release operation of the lock section.