Wear -resisting shield constructs quick -witted hobbing cutter

The utility model discloses a wear -resisting shield constructs quick -witted hobbing cutter, including the cutter shaft, cutter shaft middle position cover is equipped with hob body, and hob body is cylinder type structure, equidistant cover is equipped with a plurality of cutter rings on hob body's the outer wall, and the inboard welding of cutter ring is on hob body's outer wall, a plurality of first mounting grooves have been seted up on the outer wall of cutter ring, the welding has a plurality of wear -resisting posts on the inner wall of first mounting groove, and the wear -resisting post one end of keeping away from the cutter ring extends to the outside of cutter ring, wear -resisting post is kept away from the one end of cutter ring and has been seted up the second mounting groove, and the inside middle position of second mounting groove is equipped with the locating plate, the both sides of locating plate and bottom contact with the inner wall of second mounting groove respectively, and two first h