Multisaw band saw machine

The utility model relates to a multi-saw band saw machine, comprising an upper and a lower saw wheel, an upper and a lower saw wheel supporting seat and a saw tensioning mechanism provided between the upper and lower saw wheel supporting seats; at least two pairs of the upper and lower saw wheels are provided; the first upper saw axle and the first lower saw axle of the first pair of upper and lower saw wheels are long axles, and the other pairs of upper and a lower saw wheels are axially arranged along the first saw axle in order; and the upper saw axle and the lower saw axle are respectively hinged with the first upper saw axle and the first lower saw axle by an upper connecting rod and a lower connecting rod which are same in length; at least a four-rod mechanism being able to swing around the first upper saw axle and the first lower saw axle is formed; a supporting bar is hinged at the swing end of the lower connecting rod, and the other end of the supporting bar is hinged on a machine base; a regulator of supporting bar length is arranged at the middle of the supporting bar. The multi-saw band saw machine has high efficiency and narrower sawing path, saves wood and improves wood availability.