Additive adding device for premixed concrete production

The utility model discloses an admixture adding device for premixed concrete production, and relates to the technical field of concrete production adding devices. A cover plate; the first baffle is arranged in the through groove in the top end of the cover plate; a second baffle; comprising an opening mechanism. The opening mechanism is arranged, the output end of the driving motor rotates to drive the first worm to rotate, the first worm rotates to drive the first worm gear to rotate, the first worm gear rotates to drive the first rotating column to rotate, the first rotating column rotates to drive the first baffle to rotate and open, and the first worm rotates to drive the second worm to rotate at the same time. And the second worm rotates to drive a second worm wheel to rotate, the second worm wheel rotates to drive a second rotating column to rotate, the second rotating column rotates to drive a second baffle to rotate and open, through the structure, opening operation on the first baffle and the second