Sampling soil impurity removal device based on soil detection

The utility model belongs to the technical field of soil detection, and particularly relates to a sampling soil impurity removal device based on soil detection, which comprises a box body, a conveying belt is arranged on one side of the box body, a driving roller is arranged at one end of the conveying belt, and a third motor is arranged at one end of the driving roller. According to the sampling soil impurity removal device based on soil detection, the drying box is arranged at the top of the box body, soil can be dried, in the drying process, the soil is smashed through the first smashing roller and the second smashing roller, some caked soil is scattered, the soil can be evenly heated, the drying efficiency is improved, and workers can conveniently take soil for detection; then impurities and scrap iron in the soil are filtered through the sieve plate and the electromagnet, on the premise that the soil treatment effect is good, the original content in the soil is not damaged, the detection efficiency is im