The invention provides a double-screw propulsion type waste powder collection device, which includes a bottom shell, a main support unit and a transmission unit; the main support unit includes a main support, a powder drop port and a powder scraping shaft, and the main support is fixed on the On the bottom shell, the powder dropping port is set on the main bracket, the powder scraping shaft is set above the powder dropping port, and a scraper is arranged on the powder scraping shaft; the transmission unit includes sequentially connected Transmission device, powder feeding shaft and powder feeding device, the transmission device is arranged on the bottom shell. The invention has the beneficial effects of simple structure, convenient manufacture, automatic transfer of waste powder to the waste powder collection device, smooth operation, high cleaning efficiency, space saving, high stability and good sealing effect.