The utility model relates to a mixing tank truck vibrates charging mechanism, it includes scraper bowl, swing arm and upset driving oil cylinder, and the swing arm is all installed on the support frame of the agitator tank body with upset driving oil cylinder, and the scraper bowl rotates installs the end at the swing arm, and upset driving oil cylinder's piston rod terminus is articulated with the scraper bowl, and the scraper bowl is open boxed structure backward, and the front portion of scraper bowl is connected with out the workbin, offers the discharge gate on the play workbin, and slidable mounting has the discharge baffle by ejection of compact oil cylinder drive on the discharge gate, install vibrating motor on the play workbin on being close to the position of discharge gate. The utility model has the advantages of simple structure, control the convenience, feed effectual, can avoid the pan feeding block up and work efficiency high.