Double-chuck adjusting device of electric discharge machine

The invention discloses a double-chuck adjusting device of an electric discharge machine. The double-chuck adjusting device comprises a main lifting rod and a lifting adjusting mounting plate at the bottom of the main lifting rod, two groups of chuck assemblies are arranged below the main lifting rod in parallel, each chuck assembly at least comprises a first fine adjustment mechanism and a second fine adjustment mechanism, the adjusting directions of the first fine adjustment mechanism and the second fine adjustment mechanism are perpendicular to each other and are fixed at intervals through a guide rail mounting plate, the bottoms of the second fine adjustment mechanisms are fixedly connected with chucks through chuck mounting plates, and electrodes are movably connected to the bottoms of the chucks. The double-chuck adjusting device is simple in structure, convenient to operate for workers, time-saving and labor-saving, and suitable for rough adjustment and fine adjustment of the electrode position of the