Cutting device with positioning function

The cutting device with the positioning function comprises a processing box, a conveyor is fixedly installed in the processing box, the two ends of the conveyor penetrate through the processing box and extend out of the processing box, zip-top cans are installed on the processing box, a cutting assembly is fixedly installed at the top of the processing box, and the processing box is provided with a positioning assembly. The device comprises a treatment box, a cutting assembly is arranged in the treatment box, one end of the cutting assembly penetrates through the top of the treatment box and extends into the treatment box, a fixing plate is fixedly mounted at the top of one side face of the treatment box, a storage groove is formed in the bottom of the fixing plate, and an extension plate is slidably mounted in the storage groove. When the device is used, the top of the zip-top can is cut and flattened, and meanwhile, the surface of the zip-top can subjected to cutting and flattening treatment can be synchron