Knife rest of automatic bamboo breaking machine

The utility model discloses a knife rest of an automatic bamboo breaking machine, which comprises a frame body arranged on a machine base, a movable frame arranged on the frame body and driven by power to reciprocate, and a bamboo breaking knife arranged on the movable frame, and is characterized in that the bamboo breaking knife is connected with the movable frame through a buffer device, and a stress ring for bearing the impact force of the bamboo breaking knife is arranged on the frame body. The buffering mechanism comprises at least three L-shaped blocks, each L-shaped block comprises a vertical portion connected with the bamboo breaking cutter and a horizontal portion connected with the movable frame, the vertical portions of the L-shaped blocks are perpendicularly tangent to the outer side of the bamboo breaking cutter, and the horizontal portions of the L-shaped blocks are connected with the movable frame through bolts and reset springs arranged on the bolts in a sleeved mode. The split bamboo canes ar