Automatic weighing and calculating device for screening coke size fraction

The utility model discloses a coke fraction screening automatic weighing and calculating device which comprises a box body, a first material guide plate is arranged in the box body, a first sieve plate, a second sieve plate and a third sieve plate are sequentially arranged below the first material guide plate, a second material guide plate is arranged below the third sieve plate, and a second sieve plate is arranged below the second material guide plate. A material receiving box is arranged below the second material guide plate, transition plates are arranged at the bottoms of one sides of the first screening plate, the second screening plate and the third screening plate, belt weighers are arranged below the transition plates, a belt conveyor is arranged below the belt weighers, a vibration motor is arranged on the outer wall of the bottom of the box body, and a supporting damping assembly is arranged below the box body. According to the utility model, the coke is screened and weighed at different grades, an