Bayonet type dough kneading knife

The utility model relates to a bayonet type dough kneading knife which comprises a mounting structure, a connecting frame and a dough kneading stick, the mounting structure comprises a base, an annular part and an alignment boss; the annular part is arranged at the upper part of the base; a circle center through groove upwards penetrates through the middle part of the annular part; at least one sliding locking groove penetrates through the circle center through groove in the radial direction. An insertion groove body is formed in the tail end of the sliding locking groove; the insertion groove body upwards penetrates through the annular part; the alignment boss is arranged on the outer side of the annular part; the connecting frame is arranged at the lower part of the mounting structure; the dough kneading stick is arranged on the inner side of the connecting frame; compared with an assembly mode of adopting thread locking and inserting a spring needle in the prior art, by means of double buckling locking of