Pellet sieve shaker

The utility model discloses a pellet sieve shaker. The pellet vibration screening machine comprises a box body with a slope-shaped top surface, a feeding hopper is arranged at the higher end of the top surface of the box body, a first screen, a second screen and a third screen which are installed in the box body are sequentially arranged below the feeding hopper from top to bottom, and the first screen, the second screen and the third screen are parallel to one another and are in an inclined state; a first baffle is arranged between the first screen and the top wall of the box and stretches across the first screen, the distance between the bottom face of the first baffle and the top face of the first screen is slightly larger than the diameter of the large-particle-size pellets, a pair of second baffles is arranged on the side, facing the feeding hopper, of the first baffle, and one ends of the second baffles are attached to the side wall of the box. The distance between the other end and the side wall of the