Flexible fixture device and operation method thereof

The invention provides a flexible fixture device and an operation method thereof. The device comprises a root pre-tightening block, an adjustable fixture block, an adjustable fixture support, a clamping block, a base and a clamping fixed piece, wherein the root pre-tightening block and the adjustable fixture support are fixed on two sides of the base respectively through a position regulating mechanism thereon; the clamping block is fixed on the adjustable fixture support through a position regulating mechanism thereon; the adjustable fixture block is hinged on the adjustable fixture support; the root pre-tightening block and/or the adjustable fixture block are/is provided with through holes back and forth respectively; and the through holes are inserted into the clamping fixed piece which performs flexible clamping on the surfaces of processed parts, ensures that the processed parts can obtain effective and even clamping force, and prevents the loosening and shifting during processing. Because the adjustable clamping block and clamping screws are adopted to clamp and position the roots and planes of vanes respectively, the reliable positioning of the vanes is ensured during processing, and shifting is avoided. The whole fixture device has simple structure, reliability, durability and simple operation, and provides good basis for processing and repairing vane parts in high quality.