Flux-cored wire powder bin

The utility model provides a flux-cored wire powder bin which comprises a powder bin body and a powder barrel, the powder bin body is located above the powder barrel, the powder bin body is communicated with the powder barrel through a powder outlet pipe arranged at the bottom of the powder bin body, the size of the powder bin body is larger than that of the powder barrel, and a stirrer is arranged in the powder bin body. The periphery of the medicine bin is sleeved with a jacket used for heating. According to the flux-cored wire powder bin, the large powder bin body is additionally arranged on the powder barrel, it is guaranteed that the total amount of to-be-used powder is sufficient, meanwhile, sufficient earlier-stage treatment space is provided for the powder before the powder enters the powder barrel, and the situation that stirring operation in earlier-stage treatment affects the uniformity of discharging operation of the powder barrel is avoided; the stirrer in the medicine bin is a double-helical-rib