Particle size detection device for particle materials

The utility model relates to the technical field of particle size detection devices, in particular to a particle size detection device for particle materials. The utility model discloses a particle size detection device for particle materials. The device comprises a detection box, a camera and a dispersing device, the dispersing device is arranged at the feeding hole; the dispersing device comprises an inclined baffle, a movable baffle and a reciprocating driving mechanism, the inclined baffle inclines towards the bottom edge of the movable baffle, so that a wide-end-up structure is formed between the inclined baffle and the movable baffle, a long and narrow discharging gap is formed in the bottom, and the movable baffle reciprocates in the length direction of the discharging gap through the reciprocating driving mechanism. The falling state of the particle material is corrected through the dispersing device, so that particles are sampled by directly facing the camera with the maximumarea, and the detection a