The present device includes a rotor that is rotated around a cam drum and includes a plurality of units, each unit including: a mover that is guided by the cam drum and reciprocates in an axial direction of the cam drum by virtue of the rotation of the rotor； a first belt linked to the mover； a first pulley and a second pulley that rotate with the first belt wound therebetween； a pad that reciprocates in the axial direction in accordance with the reciprocation of the mover, while holding a sheet piece； a second belt linked to the pad； a third pulley and a fourth pulley that rotate with the second belt wound therebetween； and a transmission mechanism that transmits the rotation of the second pulley to the third pulley and changes a rotation speed of the third pulley with respect to a rotation speed of the second pulley.
