Powder coating temporary storage tank

The utility model provides a powder coating temporary storage tank which comprises a cylindrical tank body, a feeding pipe is arranged at the top of the tank body, a discharging pipe is arranged at the bottom of the tank body, an upper rotating seat is fixed to the center of the top of the tank body, and a lower rotating seat is fixed to the center of the bottom of the tank body. A rotating shaft is fixed between a bearing inner ring of the upper rotating seat and a bearing inner ring of the lower rotating seat, a plurality of horizontally-arranged movable cutting blades are fixed to the outer wall of the rotating shaft at equal intervals from top to bottom, a plurality of cutting blade sets are arranged on the inner wall of the tank body, and each cutting blade set comprises a plurality of fixed cutting blades distributed at equal intervals in the vertical direction of the tank body; according to the temporary storage tank disclosed by the utility model, cakes are extruded and crushed through the rotating mo