Energy accumulator with good buffering effect for numerical control drilling and milling machine

The utility model relates to the technical field of energy accumulators for numerical control drilling and milling machines, in particular to an energy accumulator for a numerical control drilling and milling machine, which has a good buffering effect and comprises a fixed disc and an energy accumulator body, first threaded holes are symmetrically formed in the fixed disc, and the inner walls of the first threaded holes are in threaded connection with first fastening bolts; the surface of the first fastening bolt is fixedly connected with a first friction backing ring, the first friction backing ring makes contact with the fixing disc, avoiding holes are symmetrically formed in the first friction backing ring, threaded grooves are symmetrically formed in the fixing disc, second threaded holes are symmetrically formed in the first fastening bolt, and buffers are symmetrically and fixedly connected to the surface of the fixing disc. According to the scheme, through the design of the spring seat, the buffer spri