Easy-to-operate blackboard rocking machine

The utility model discloses an easy-to-operate blackboard rocking machine, which comprises a fixing base and a motor, wherein the motor is arranged in the fixing base and is connected with a blackboard, the other end of the blackboard is connected with a rotary groove of a support arm, a slide rail and a slide yarn guide coil are arranged on the fixing base, the slide yarn guide coil is matched with the slide rail, a connecting shaft is arranged between the blackboard and the support arm, an annular convex block is arranged on the connecting shaft, a limiting groove is formed in the rotary groove and corresponds to the annular convex block, the rotary groove comprises an upper half body and a lower half body which are arranged up and down, the side wall, away from the blackboard, of the limiting groove in the lower half body is provided with an opening, and the annular convex block passes through the opening. The easy-to-operate blackboard rocking machine has the advantage that the structure is stable.