Patent ID: 6865974

Claim:
A sawdust removing device for a band saw machine combined with a bandsaw machine, which has a machine base provided inside with a motor, said motor having its shaft fitted thereon with an actuating wheel of a power output device, a transmitting belt connecting said actuating wheel and a subordinate wheel, said subordinate wheel transmitting power of said motor to a band saw of said band saw machine for rotating and carrying out sawing, said sawdust removing device mounted on said shaft of said motor, said motor formed with a combining surface on the same side of said shaft; and, said sawdust removing device comprising a housing, a rotor and plural blades preset in number, said housing firmly fixed on said combining surface of said motor, said housing formed in the center with a round air chamber facing said combining surface of said motor, a shaft hole axially provided at an eccentric location of said air chamber, said shaft hole pivotally fitted with said shaft of said motor, said housing having an air inlet and an air outlet respectively bored at a predetermined location on top thereof and communicating with said air chamber, said air inlet threadably engaged with a valve body, said air outlet threadably engaged with an adapter connected with a guide pipe, said rotor bored with a fitting hole in the center for said shaft of said motor and said shaft being inserted therethrough, said rotor eccentrically received in said air chamber and able to rotate together with said shaft of said motor, said rotor provided with slide notches preset in number, said slide notches positioned spaced apart equidistantly around a circumference edge of said rotor, said blades respectively fitted in said slide notches to move back and forth therein, said blades having their outer ends alternately contacting with the inner wall of said air chamber when said rotor rotates, said blades rotating together with said rotor and moving back and forth to suck in and exhaust out air repeatedly, air sucked in said air chamber and led into said guide pipe, which has the other end positioned above a workbench of said band saw machine.