The utility model discloses a concrete rapid mixing device relates to the agitating unit field, including the supporting mechanism, the cylinder, the cylinder can set up the middle part at the axle through setting up in the bearing at its two side middle parts with rotating, the both ends of axle are fixed on the supporting mechanism, the epaxial inside the drum of being located radially is fixed with several pins, several pins outside is provided with a plurality of baffles that are fixed in on the cylinder inner wall, which comprises a supporting mechanism. Power unit fixes the one side at the supporting mechanism, power unit provides power to the cylinder and drives the cylinder and rotates. The utility model provides a pair of concrete rapid mixing device adopts rotary barrel's mode to stir for can both be the evenly quick upset of all materials, the baffle promotes, cuts apart the material, and the pin is broken up, is strikeed the material, makes material mixing even abundant more fast, improves the fresh concrete quality.