Carpenter's circular saw

The utility model discloses a carpenter's circular saw, including support, mesa, drive mechanism, disc saw bit, protection casing, fan, air intake, collecting board, play bits mouth and collection bag, the mesa is installed on the support, installs the disc saw bit of salient mesa on the support, and disc saw bit top is equipped with the protection casing, and open in the left side of support has bits mouthful, and open on the right side has the air intake, and the lower part of support is equipped with the collecting board, the collecting board is in the bits mouthful and the below of air intake, and the right side of support is equipped with the fan, and the air outlet position of fan is corresponding with the air intake, and the left side fixedly connected of support has the bag of collection, and the sack of collecting the bag covers out the bits mouth. The utility model discloses on the collecting board is collected to the saw -dust that will cut the production, then, by the fan blow to collect the bag i