The utility model discloses a clear away device of sintering model powder, it is including clear dust hopper, operation panel, buckle, drive arrangement, jet -propelled system, one -way ventilative valve and receipts dust hopper, wherein, control console connection fixes at the top of clear dust hopper at the bottom of clear dust hopper, one -way ventilative valve, is provided with the carousel on the operation panel, and drive arrangement is connected with the carousel, and jet -propelled system is fixed in the side of operation panel, receives the dust hopper and fixes the bottom at clear dust hopper, start drive arrangement, it is rotatory that the carousel drives fixed model above that, and powder that jet -propelled system clear away model surface is to receive the dust hopper in. The utility model provides a pair of clear away device of sintering model powder, its is rational in infrastructure, easy and simple to handle, has effectively solved the problem of clear whitewashed in -process raise dust, has improved the security of operation, has protected operational environment, and manufacturing cost is practiced thrift to the circulated sintering of retrieving that is used for the model of dust.