On -line screen storage device comprises a base

The utility model discloses an on -line screen storage device comprises a base, , include backing board, support, motor, drive mechanism and shake even mechanism, the support vertical fixation on the backing board, drive mechanism include synchronizing wheel, joint bearing, rolling bearing unit and rotatory cranking arm, the synchronizing wheel all install on the support with rotatory cranking arm, and rotatory cranking arm install in the upper end of support through rolling bearing unit, the synchronizing wheel pass through the belt with the output of motor is connected, connects through joint bearing between synchronizing wheel and rotatory the cranking arm, the even mechanism of shaking include cup supporting frames and fix the appearance cup on cup supporting frames, cup supporting frames is connected with rotatory cranking arm, the motor rotates and drives the synchronizing wheel motion through the belt, the synchronizing wheel drives through joint bearing rotatoryly cranks arm rotatoryly according to ma