Die cutting device for processing conductive products

The die cutting device comprises a base, a rack is arranged at the top of the base, an electric push rod is arranged at the top of the rack, a pressing plate is arranged at the bottom of the electric push rod in a suspended mode, a through hole is formed in the middle of the pressing plate, and a filling block is arranged in the through hole; wherein a circle of movable opening is formed between the filling block and the side wall of the through hole, a circle of polishing strip extending to the position over the interior of the movable opening is further arranged at the edge of the top of the filling block, a U-shaped rod connected with the pressing plate and the filling block is arranged at the top of the movable opening, and a die-cutting knife set with the inner wall attached to the outer wall of the polishing strip is arranged in the movable opening. Wherein a U-shaped notch buckled on the corresponding U-shaped rod is formed in the top end of the side wall of the die-cutting knife set, a mounting frame