Sampling device applied to chemical test

The utility model discloses a sampling device applied to chemical test, which comprises a box body, a box door arranged on the front side of the box body, box legs fixedly mounted at the bottom of the box body, wheels arranged at the bottoms of the box legs, and a processing component arranged in the box body, the processing assembly comprises a sampling assembly fixedly installed in the box body, a telescopic assembly is arranged outside the sampling assembly, a vibration assembly is arranged below the sampling assembly, and the vibration assembly forms a component. The top surfaces of a first extrusion rod and a second extrusion rod which rotate on the outer wall of a rotating rod are in contact extrusion, so that a leakage plate slides downwards in a third sliding groove through a third sliding block, when extrusion is finished, the leakage plate is bounced upwards under the elastic effect of a second spring, vibration is generated, and raw materials on the leakage plate are vibrated; and blocky raw materi