Vibration grinding and screening system

The utility model discloses a vibration grinding and screening system which comprises a bottom plate, a mounting shell is fixedly connected to the top end of the bottom plate, a cover plate is hinged to one side of the bottom end of the mounting shell, a vibration grinding bin is arranged at the upper end of the mounting shell, and a screening bin is arranged at the middle end of the mounting shell. A vibration grinding bin is arranged in the mounting shell, a material receiving groove is formed in the bottom end of the mounting shell, a cooling mechanism is arranged on the outer side of the vibration grinding bin, the cooling mechanism comprises a cooling pipe, a water pump, a heat dissipation pipe and a fan, the vibration grinding bin and the screening bin are arranged in the mounting shell, and during grinding, ground materials directly fall onto the screening mechanism of the screening bin to be screened; according to the vibration grinding device, the returned manuscript screening efficiency can be impro