Protection flange of high -speed hydro -cylinder

The utility model discloses a protection flange of high -speed hydro -cylinder, including the main shaft box, the internal main shaft of installing of headstock, the chuck is installed to the one endof main shaft, and the other end and the rotatory hydro -cylinder of main shaft are connected, and the hydraulic fluid port department of rotatory hydro -cylinder installs the protection flange of looks adaptation, is connected with high pressure fuel pipe on the rotatory hydro -cylinder, the protection flange comprises a circular sealed lid and a sealing ring, the sealing ring is fixed in circular sealed covering to the edge of sealing ring sets up a backward flow mouth. This protection flange of high -speed hydro -cylinder, when the high -speed rotation of rotatory hydro -cylinder, the protection flange can effectively keep off the oil that throws away to oil is retrieved from protection flange backward flow mouth, reaches sealed oiltight effect. 本实用新型公开了种高速油缸的防护法兰，包括主轴箱体，所述主轴箱体内安装有主轴，主轴的端安装有夹头，主轴的另端与旋转油缸连接，旋转油缸