Grease stirring device in grease spraying machine

The utility model discloses a grease stirring device in a grease spraying machine and aims at resolving problems that a stirring shaft of an existing grease stirring device in the grease spraying machine is unstable in running and is uneven in grease stirring. The grease stirring device in the grease spraying machine comprises a grease storing tank, a motor base is arranged on an end cover of the grease storing tank, and a motor is arranged on the motor base. An output end of the motor is connected with the upper end of the stirring shaft through a coupling, the stirring shaft penetrates through a bearing assembly installed on the end cover and extends into the grease storing tank, and a guide sleeve is sleeved on a shaft body of the stirring shaft which extends into the grease storing tank. The guide sleeve is fixed at one end of a guide frame, the other end of the guide frame is fixed under the end cover, and helical blades and propeller blades are arranged at a lower end of the stirring shaft simultaneousl