Fixing device for machining ultra-precise microporous copper pipe

The utility model discloses a fixing device for ultra-precise micropore copper pipe machining. Workbench, driving blocks, sleeve blocks and sliding blocks are horizontally and symmetrically arranged at the two ends of the workbench. The driving blocks on the two sides and the sliding block horizontally and oppositely move; the sleeve block is fixedly installed on the workbench. The sliding block is positioned between the driving block and the sliding block; a threaded cavity is formed in the sleeve block; a threaded rod is arranged in the threaded cavity; the threaded rod is in threaded connection with the sleeve block; one end of the threaded rod is fixedly connected with a driving block; a motor is embedded in the same horizontal position of the driving block and the threaded rod; the motor drives the threaded rod to rotate, one side of the sliding block is connected with the threaded rod, the other side of the sliding block is arc-shaped, a microswitch is embedded in the center of the arc-shaped side, an e