A moving core-type reciprocating motor comprises: a stator comprising an inner stator and an outer stator having one side connected to one side of the inner stator and the other side spaced apart from the other side of the inner stator in a radius direction to define a gap together with the other side of the inner stator ; a magnet coil wound between the inner stator and the outer stator ; a magnet fixed to at least one of the inner stator and the outer stator so as to be exposed to the gap ; a mover comprising a moving core disposed in the gap and made of a magnetic material to reciprocate with respect to the stator and the magnet and a hollow connection member made of a nonmagnetic material and supporting the moving core so that the moving core is exposed to the gap toward the magnet , and characterized in that the moving core is fixed to an inner circumferential surface of the connection member so as to be exposed to the inside of the connection member or fixed to an outer circumferential surface of the connection member so as to be exposed to the outside of the connection member , and wherein the moving core is manufactured by stacking first radial segments , which are disposed in parallel to the reciprocating direction of the moving core , in a circumferential direction of the connection member , and wherein the first segment comprises a fixing protrusion that protrudes to the inside of the connection member on at least one side surface thereof coming into contact with the connection member , and wherein an exposed surface of the first segment , which is exposed to the inside or outside of the connection member , has a length (D1) less than that (D2) of a contact surface of the first segment , which comes into contact with the connection member . a stator comprising an inner stator and an outer stator having one side connected to one side of the inner stator and the other side spaced apart from the other side of the inner stator in a radius direction to define a gap together with the other side of the inner stator ; a magnet coil wound between the inner stator and the outer stator ; a magnet fixed to at least one of the inner stator and the outer stator so as to be exposed to the gap ; a mover comprising a moving core disposed in the gap and made of a magnetic material to reciprocate with respect to the stator and the magnet and a hollow connection member made of a nonmagnetic material and supporting the moving core so that the moving core is exposed to the gap toward the magnet , and characterized in that the moving core is fixed to an inner circumferential surface of the connection member so as to be exposed to the inside of the connection member or fixed to an outer circumferential surface of the connection member so as to be exposed to the outside of the connection member , and wherein the moving core is manufactured by stacking first radial segments , which are disposed in parallel to the reciprocating direction of the moving core , in a circumferential direction of the connection member , and wherein the first segment comprises a fixing protrusion that protrudes to the inside of the connection member on at least one side surface thereof coming into contact with the connection member , and wherein an exposed surface of the first segment , which is exposed to the inside or outside of the connection member , has a length (D1) less than that (D2) of a contact surface of the first segment , which comes into contact with the connection member . <EOS>