Automatic aluminum scrap suction device for numerical control sawing machine

The utility model discloses an automatic aluminum scrap suction device for a numerical control sawing machine, which comprises a negative pressure suction device main body, the outer side of the negative pressure suction device main body is connected with a connecting pipe, one end of the connecting pipe is connected with a negative pressure suction box body, and a fixing frame is placed on the outer side of the negative pressure suction device main body; the intermittent shielding mechanism is arranged, shielding is carried out through the shielding plate, when finished products machined by the numerical control sawing machine are discharged, chippings are collected through short time difference, normal discharging of the products with small sizes cannot be affected, and the purpose that the negative pressure adsorption device body can periodically adsorb and collect the chippings in a negative pressure mode is achieved; the negative pressure adsorption box is provided with the mounting mechanism, so that th