Vibrating screen for screening glucomannan

The utility model discloses a vibrating screen for screening glucomannan. The vibrating screen comprises a power mechanism, a support mechanism and a powder screening mechanism; the power mechanism comprises an electromotor (14), a driving belt pulley (16), a belt (17), a driven belt pulley (18) and an eccentric wheel exciter (13), wherein the driving belt pulley (16) is connected to the electromotor (14), the driven belt pulley (18) is connected to the eccentric wheel exciter (13), and the driving belt pulley (16) is connected with the driven belt pulley (18) through the belt (17); the support mechanism comprises a base (1), a shell (3) and a motor support frame (15), wherein the shell (3) is arranged on the base (1); the powder screening mechanism comprises one or more powder screening discs (12) and a dustproof cover (10), wherein the powder screening discs (12) is arranged on the shell (3); the dustproof cover (10) is arranged on the powder screening discs (12). The vibrating screen disclosed by the utility model has the beneficial effects that the vibrating screen has the advantages of simple structure, high screening efficiency and small vibration, and obtained powder is uniform in particle size.