Powder coating device for metal powder core processing

The utility model relates to a powder coating device for metal powder core processing, which comprises a mixing tank, a sealing tank cover mounted at the top of the mixing tank in a splicing manner, a sealing tank seat mounted at the bottom of the mixing tank in a splicing manner, a driving motor mounted on one side of the top of the sealing tank cover, and a gear box mounted in the center of the top of the sealing tank cover, a transmission vertical rod penetrates through the middle of the gear box, the lower end of the transmission vertical rod penetrates through the center of the sealing tank cover and extends into the mixing tank, the periphery of the transmission vertical rod is fixedly sleeved with a spiral impeller, and the periphery of the transmission vertical rod is sequentially sleeved with an inner spiral strip and an outer spiral strip from inside to outside; a gear box is arranged in the mixing tank, a first conical fluted disc and a second conical fluted disc are sequentially arranged in the ge