Thin wall member processing locking device

The utility model provides a thin wall member processing locking device, belongs to aircraft tooling technical field. It can lock effectually, and convenient and practical avoids annular thin wall spare radial dimension to warp, guarantees the machining precision of annular thin wall spare, improves annular thin wall spare processing qualification rate. The cross section of two lock plungers is trapezoidally, and two lock plunger specifications are the same, and the trapezoidal base of going up of two lock plungers contacts, the locking cap can be dismantled with two lock plunger upper ends and be connected, the spindle surface is seted up flutedly, two lock plunger lower extremes are pegged graft with the recess, the through -hole has been seted up at the clamp plate middle part, the clamp plate passes through the through -hole suit on two lock plungers, and the clamp plate setting is between locking cap and dabber. The utility model discloses two lockings of retaining member fasten can from roll -off in the