Aluminum product waste utilization and preparation device

The utility model discloses an aluminum product waste utilization preparation device which comprises a support, one end of the support is provided with a shell, the shell is internally provided with a crushing mechanism, the crushing mechanism comprises a cutting key and a rotating shaft, the cutting key comprises a cutter block, a sliding rod and a base, the side face of the sliding rod is in sliding connection with the base, and the side face of the sliding rod is connected with the rotating shaft. The end, away from the base, of the sliding rod is fixedly connected with the cutter block, a sliding groove is formed in one end of the base, a clamping key is arranged at the end, located in the base, of the sliding rod, the clamping key and the sliding groove are matched mechanisms, the inner wall of the base is fixedly connected with the rotating shaft, and the rotating shaft flexibly controls the size of the cutting key to adapt to the size of waste. And the cutting distance between the two rotating shafts i