Double-traction machine used at rear end of aluminum profile extruder

The invention discloses a double-traction machine used at the rear end of an aluminum profile extruder. The double-traction machine comprises a support, a first traction mechanism and a second traction mechanism are arranged on the support, a sawing mechanism and a guide frame are respectively arranged on the two sides of the support, a profile is conveyed on the guide frame, the sawing mechanism cuts off the profile, the double-traction machine further comprises a reset platform mechanism located at the profile discharging opening end part of the support; the first traction mechanism comprises a supporting plate, a rotatable first longitudinal shaft is arranged on the supporting plate, a first transverse arm is fixed to the first longitudinal shaft, a first material clamp and a first concave-convex wheel are arranged at the two ends of the first transverse arm respectively, and the first concave-convex wheel drives the first material clamp to complete opening and closing actions through a rotating shaft pene