The application discloses an automatic
punching tool for plastic on a battery, and relates to the field of
punching dies.The technical scheme is as follows: the automatic
punching tool comprises a
workbench, a lower die of a punching die and a
stamping execution module.The
stamping execution module is connected with an upper die of the punching die.The upper die of the punching die is internally provided with a punching guide column, a positioning rod, a male die and a punch.When a punch fixing plate is in a first position, the bottom end surface of the punching guide column is lower than the bottom end surface of the positioning rod, the bottom end surface of the positioning rod is lower than the bottom end surface of the male die, and the bottom end surface of the male die is lower than the bottom end surface of the punch.The static
height difference is utilized, and a discharging spring is abutted between the punch fixing plate and the male die fixing plate, so that a single
stamping stroke is converted into sequential physical actions of the punching guide column guiding, the positioning rod preventing rotation, the male die pressing material and the punch piercing and
cutting.The microslip and tearing deformation of the plastic on the battery caused by stress are effectively overcome, and the
machining accuracy of the hole position and the finishing degree of the hole edge are improved.