Local cleaner of materials or grains

The invention discloses a local cleaner of materials or grains. The local cleaner comprises a spinning-buckling type separation barrel, a sampling end head, a variable diameter device, a rack, a lifting device, a conveying pipe, a fast-assembly sealing connector and a strong negative pressure device; the spinning-buckling type separation barrel is provided with multiple levels of separation barrel bodies, and the sampling end head is communicated with the conveying pipe; a whole body composed of the lifting device and the variable diameter device is located on the rack; the other end of the conveying pipe is connected to the strong negative pressure device through the fast-assembly sealing connector. The local cleaner belongs to material taking out and cleaning equipment; the equipment can take out local materials in any position in all the stored materials without changing placing positions of other materials. The material taking depth can be achieved by conducting number combination on the spinning-buckling