Lifting type writing board

The utility model discloses a lifting type writing board which comprises a supporting frame and a writing board body, the writing board body can slide up and down relative to the supporting frame, an upper fixing base is installed at the upper end of the supporting frame, a lower fixing base is installed at the lower end of the supporting frame, a wide ball screw is rotatably installed between the upper fixing base and the lower fixing base, and a sliding block is installed on the wide ball screw. An optical axis is further connected between the upper fixing base and the lower fixing base and is in sliding fit with the optical axis, the sliding block is connected with the back face of the writing board, a servo motor is installed on the upper fixing base, the power output end of the servo motor is connected with the wide ball screw, and a buffering device is further installed on the supporting frame. Through a servo motor and a sliding block, the height problem of teachers and students can be thoroughly solve