Anti-vibration cutter bar

The invention is suitable for the technical field of mechanical equipment parts, and provides an anti-vibration cutter bar which comprises a cutter bar body used for installing a cutter, the cross section of the cutter bar body is in a regular octagon shape, a round hole is formed in the upper end of the cutter bar body, a cylindrical anti-vibration rod is installed in the round hole, and the anti-vibration rod is in clearance fit with the round hole. Four spiral compression springs are installed on the upper portion of the anti-vibration rod in an annular mode, each spiral compression spring corresponds to one side face of the cutter bar, and four spiral compression springs are installed on the lower portion of the anti-vibration rod in an annular mode. The four spiral compression springs located on the lower portion rotate by 45 degrees in the horizontal direction relative to the four spiral compression springs located on the upper portion. An anti-jumping pressing block is further installed in the round ho