Collagen peptide purification device

The utility model discloses a collagen peptide purification device which comprises a support frame, a protective cover is mounted at the upper end of the support frame, a motor is arranged at the inner end of the support frame, a guide rod is arranged at the upper end of the motor, and a guide plate is connected to the upper end of the guide rod; the speed adjusting plate is arranged at the left end of the guide plate, a connecting rod is installed at the upper end of the speed adjusting plate, a collecting barrel is arranged at the upper end of the connecting rod, a positioning block is installed at the lower end of the collecting barrel, a positioning plate and a limiting rod are arranged at the inner end of the collecting barrel, the limiting rod is arranged at the upper end of the collecting barrel, and a splash-proof cover is connected to the inner end of the limiting block. A connecting assembly is mounted at the lower end of the filtering barrel and comprises a bearing plate, a connecting bolt and a co