Potato starch processing device

The utility model discloses a potato starch processing device. The potato starch processing device comprises a rack. The rack is provided with a feeding funnel, a crushing chamber and a grinding chamber, wherein the feeding funnel, the crushing chamber and the grinding chamber are sequentially communicated from top to bottom. The two sides of the crushing chamber are symmetrically provided with crushing devices. Each crushing device comprises a gear rack, a first plate, a second plate, a guide shaft, a crushing hammer and an incomplete gear. The two ends of each gear rack are fixedly connected with the corresponding first plate and the corresponding second plate respectively. One end of each guide shaft is fixed on the rack. Each guide shaft can penetrate through the corresponding first plate in a sliding mode. Each guide shaft is sleeved with a spring. Each crushing hammer is fixed on the corresponding second plate, and can penetrate through the outer wall of the crushing chamber in a sliding mode. Each incomplete gear is connected with a driving motor through a rotary shaft arranged on the rack, and is engaged with each gear rack. A screen is arranged inside the crushing chamber. The screen is arranged below the crushing hammers. Two electric grinding rollers which are arranged in parallel are arranged inside the grinding chamber. A grinding gap is formed between the two electric grinding rollers. The grinding chamber is connected with a delivery pump through a discharging pipe.