Nylon granulator with light transmission detection device

The utility model discloses a nylon granulator with a light transmission detection device, which comprises a conveying piece, a light transmission detection box, a granulating piece and a material distribution shifting piece, one end of the conveying piece is provided with a blanking port, and the blanking port comprises a first blanking port and a second blanking port; the light-transmitting detection box comprises a box body, the box body comprises a detection channel, the conveying piece penetrates through the detection channel, and a light-transmitting detector is arranged in the detection channel; the pelletizing piece is arranged between the blanking port and the light transmission detection box; the material distribution shifting piece is controllably and rotatably arranged at the material falling openings and connected with the light transmission detector, when the material distribution shifting piece rotates to the first position, the first material falling opening is closed, the second material fall