The invention discloses a blanking die for a low-stress blanking machine, and belongs to the technical field of intelligent manufacturing. An upper sliding block and a lower sliding block are splicedto form a hammer head containing cavity. An inner hammer head is arranged in the hammer head containing cavity. A bearing is fixed in an outer end inner cavity of the inner hammer head. The outer endof the inner hammer head is supported on an inner wall of the hammer head containing cavity by adopting a spring seat matched with a spring. The inner hammer head can do eccentric motion relative to the center line of the hammer head containing cavity in the hammer head containing cavity, namely, the inner hammer head can swing in the hammer head containing cavity according to needs, so that a rodcan completely make contact with the inner surface of the bearing when the rod is deflected, the friction contact surface between the rod and the bearing becomes large, the contact stress is reduced,and the friction abrasion of the contact surface of the rod is reduced. In addition, the outer end of the inner hammer head is supported on the inner wall of the hammer head containing cavity by adopting the spring seat matched with the spring, so that the damping effect can be realized, rapid centering can be realized during blanking next time, and the blanking process is more stable and reliable.