The invention discloses a swing type concrete block crushing and mixing device, which comprises a bottom plate, a side plate, a top plate and a mixing drum. Double-sided rack and right double-sided rack, the mixing drum is provided with a rotating shaft coaxial with it, the top of the rotating shaft is provided with a left gear, the left gear meshes with the left double-sided rack, and the mixing drum A sieve plate is installed inside, and the sieve plate divides the mixing drum into a crushing chamber and a mixing chamber. A crushing rod is arranged on the shaft section of the rotating shaft in the crushing chamber and on the side wall of the crushing chamber, and a crushing rod is arranged on the crushing rod. The blade is provided with a mixing rod at the bottom of the rotating shaft in the mixing chamber. The invention has the advantages of simple structure, continuous crushing and mixing of concrete blocks, improved working efficiency, sufficient and uniform crushing and mixing, high mixing and crushing efficiency, simple operation and strong practicability.