Split type hob drill bit

The utility model discloses a split type hob drill bit which comprises a drill bit shell, an annular cutting groove is formed in the outer wall of the drill bit shell, a drill bit body is arranged on the annular cutting groove, the drill bit body comprises a plurality of annular drill teeth, the inner walls of the annular drill teeth are matched with the outer wall of the annular cutting groove, and the adjacent annular drill teeth are attached to each other. The inner wall of the annular drill tooth is attached to the outer wall of the annular cutting groove, the top of the annular cutting groove is attached to one end of the drill bit, a clamping groove is formed in the annular cutting groove and located in the end close to the bottom of the annular cutting groove, and a clamping spring is arranged on the inner wall of the clamping groove and attached to the other end of the drill bit. And when the local part is damaged, the replacement is difficult. 本实用新型公开了一种分体式滚刀钻头，包括钻头壳体，钻头壳体的外壁上设有环形切槽，环形切槽上设有钻头，钻头包括若干个