Punching, positioning and clamping mechanism of mower tool apron

The utility model discloses a punching, positioning and clamping mechanism for a cutter holder of a mower, and relates to the technical field of cutter holders of mowers. The punching, positioning and clamping mechanism of the mower tool apron comprises a base, a supporting plate is fixedly connected to the top of the base, a fixing plate is fixedly connected to the top of the supporting plate, a motor is fixedly connected to the top of the fixing plate, a sliding seat is slidably connected to the inner wall of the base, and a fixing seat is fixedly connected to the top of the sliding seat. A first groove hole is formed in the upper surface of the sliding seat, a connecting rod penetrates through the outer wall of the left side of the fixed seat and is slidably connected with the outer wall of the left side of the fixed seat, and a wedge block is slidably connected with the inner wall of the connecting rod. According to the utility model, by controlling the connecting rod to move backwards, the trapezoidal bl