The utility model discloses a turnover type fixing tool, can fix work piece in one time, and realizes
centring, can drive work piece multi -angle turnover to realize multi -angle
processing while guaranteeing high positioning accuracy, satisfies
processing demand. Turnover type fixing tool includes
numerical control rotary table,
numerical control tailstock, bearing plate, hydraulic clamp and corner oil cylinder, bearing plate is rotationally cooperated between
numerical control rotary table and numerical control
tailstock, is equipped with at least one mounting hole on bearing plate, is equipped with hydraulic clamp in mounting hole, and both sides are equipped with corner oil cylinder, and corner oil cylinder output end is the presser bar, hydraulic clamp includes clamp body, work piece clamping seat and clamping seat fixed ring, work piece clamping seat is made of elastic material, and is surrounded to form hydraulic oil cavity among three, and work piece clamping seat is equipped with clamping hole, and the ring wall of clamping hole is equipped with support
flange, clamp body is equipped with hydraulic channel, and a plurality of hydraulic oil inlet and outlet holes that communicate with hydraulic channel, and hydraulic channel is penetrated to the ring wall of mounting
flange to communicate with hydraulic oil cavity.