Trimming device for stamping die

The utility model discloses a stamping die trimming device, which relates to the field of stamping dies and comprises a worktable, a support frame is mounted at the top end of one side of the worktable, a hydraulic cylinder is mounted at the top end of the support frame, a hydraulic rod is mounted at one end of the hydraulic cylinder, and a fixing frame is mounted at one end of the hydraulic rod. And a driving motor is mounted on one side of the fixing frame. According to the positioning mechanism, the sliding block on the inner side of the guide groove slides left and right according to the size of a stamped die, so that the rotating column at the top end of the sliding block is subjected to width interval sliding adjustment, and stamping dies of different sizes can be limited; and then a positioning bolt on the inner side of a through hole in the outer side wall of the workbench is screwed in a threaded mode, so that the positioning bolt and a positioning hole in the outer side wall of a sliding block are s