Quickly-connected vertical stirring shaft

The utility model discloses a quickly-connected vertical stirring shaft and relates to a vertical stirring shaft in a vertical stirrer. The quickly-connected vertical stirring shaft mainly consists of a driving half shaft, a locking sleeve, a driven half shaft and a stirring cutter, wherein the lower end of the driving half shaft is connected with the upper end of the driven half shaft through the locking sleeve; a convex head is arranged at the lower end of the driving half shaft; a groove is formed in the upper end of the driven half shaft; the stirring cutter is arranged at the lower end of the driven half shaft; the convex head is inverted T-shaped; the groove is also inverted T-shaped; the convex head is meshed with the groove; the convex head is of a circular truncated cone shape after the convex head is meshed with the groove; the circular truncated cone is large in bottom and small in top; a tapered hole is formed in an inner hole of the locking sleeve; the tapered hole is large in bottom and small in top and is matched with the side of the circular truncated cone. The vertical stirring shaft is ingenious in structure, easy to process and convenient to use; the vertical stirring shaft is assembled and disassembled in ten seconds, thereby greatly facilitating the washing of a stirring barrel, a scraper blade and the stirring shaft at any time; the quickly-connected vertical stirring shaft has popularization value.