Saw blade lifting mechanism for sawing machine

A saw blade lifting mechanism comprising:

• a fixed table having a transverse rod at a bottom side thereof;
• a bracket pivotally engaged to said transverse rod and rotatable about said transverse rod;
• a swinging member pivotally engaged to said bracket and rotatable about an axis perpendicular to an extending direction of said transverse rod;
• a motor fixedly mounted to a side of said swinging member, said motor having an output shaft;
• a saw blade fastened to the output shaft of said motor;
• a first connecting member having a first end pivotally engaged to said bracket, and a second end;
• a second connecting member being pivotally engaged to both the output shaft of said motor and to the second end of said first connecting member;
• a knife member fixed to said second connecting member opposite to said first connecting member;
• a support member fixedly connected to said transverse rod and provided with a sliding slot;
• and
• a guide member fixedly connected to said second connecting member and coupled to the sliding slot of said support member for guiding movement of said second connecting member along the sliding slot of said support member.